阅读说明：本技术 一种可视化的病床呼叫系统 (Visual hospital bed calling system ) 是由 张争奇 姚丹 于 2019-10-26 设计创作，主要内容包括：本发明涉及病床呼叫系统技术领域,具体涉及一种可视化的病床呼叫系统,包括矩形底部移动架和床体,还包括对视呼叫机构,床体能够升降的设置在底部移动架上,床体由床板、床头和床尾构成,对视呼叫机构位于床尾的外壁上,对视呼叫机构包括升降箱、升降组件、容纳箱、水平移动组件、角度跟踪组件和可视显示器,水平移动组件包括移动板,升降架上设有的矩形切口,床尾的外壁设有总控制器,控制器上设有向床头方向延伸的连接线,连接线的延伸端设有手式控制器,控制器分别与升降组件、水平移动组件、角度跟踪组件和可视显示器电连接,该设备在呼叫时可视显示器能够跟踪病人的位置,使医生能够可快速的了解病人的具体情况,节省医生和病人的时间。(The invention relates to the technical field of sickbed calling systems, in particular to a visual sickbed calling system, which comprises a rectangular bottom moving frame, a bed body and a visual calling mechanism, wherein the bed body can be arranged on the bottom moving frame in a lifting way, the bed body consists of a bed board, a bed head and a bed tail, the visual calling mechanism is positioned on the outer wall of the bed tail, the visual calling mechanism comprises a lifting box, a lifting assembly, a containing box, a horizontal moving assembly, an angle tracking assembly and a visual display, the horizontal moving assembly comprises a moving plate, a rectangular notch is arranged on the lifting frame, a main controller is arranged on the outer wall of the bed tail, a connecting wire extending towards the direction of the bed head is arranged on the controller, a hand type controller is arranged at the extending end of the connecting wire, the controller is respectively and electrically connected with the lifting assembly, the horizontal moving assembly, the angle tracking assembly and the visual display, the visual display can track the, the doctor can quickly know the specific situation of the patient, and the time of the doctor and the patient is saved.)

1. A visual hospital bed calling system, comprising: comprises a rectangular bottom moving frame (1) and a bed body, and also comprises a sight calling mechanism, the bed body can be arranged on the bottom moving frame (1) in a lifting way, the bed body is composed of a bed board (2), a bed head (3) and a bed tail (4), the sight calling mechanism is arranged on the outer wall of the bed tail (4), the sight calling mechanism comprises a lifting box (5), a lifting component, a containing box (6), a horizontal moving component, an angle tracking component and a visual display (7), the lifting box (5) is fixedly arranged on the outer wall of the bed tail (4), the top of the lifting box (5) is an open structure, the lifting component is arranged at the inner lower end of the lifting box (5), the upgrading component comprises an upgrading frame (8) which can be lifted, the containing box (6) is fixedly arranged at the top of a lifting frame, the horizontal moving component is arranged inside the lifting frame, the horizontal moving component comprises a moving plate (9) which can be horizontally moved and extends upwards, be equipped with on the crane and supply rectangle incision (10) that movable plate (9) removed, the inside one end of angle tracking subassembly and the extension end fixed connection of movable plate (9), the setting that visual display (7) can move about is at the work end of angle tracking subassembly, the outer wall of tailstock (4) is equipped with total controller (11), be equipped with connecting wire (12) to head of a bed (3) direction extension on the controller, the extension end of connecting wire (12) is equipped with hand controller (13), the controller respectively with lifting unit, the horizontal migration subassembly, angle tracking subassembly and visual display (7) electricity are connected.

2. The visual hospital bed calling system of claim 1, wherein: the angle tracking assembly comprises a driving box (14), an outer loop bar (15), a middle loop bar (16) and an inner loop bar (17), one end of the driving box (14) is fixedly connected with one end of the movable plate (9), one end of the driving box (14) far away from the movable plate (9) is provided with a first bearing sleeve penetrating through two surfaces, the outer loop bar (15) is horizontal and can be rotatably inserted into an inner ring of the first bearing sleeve, the middle loop bar (16) can be rotatably inserted into the inner ring of the outer loop bar (15), two ends of the middle loop bar (16) respectively extend towards the outer parts of two ends of the outer loop bar (15), an inner bar can be rotatably inserted into the inner ring of the middle loop bar (16), two ends of the inner loop bar (17) respectively extend towards the outer parts of two ends of the middle loop bar (16), two sides of one end, far away from the driving box (14), of the outer loop bar (15) are respectively provided with L-shaped plates (18), and the two L-shaped plates, a first hinging column and a second hinging column are respectively arranged at one adjacent ends of the two L-shaped plates (18), a first bevel gear (19) which is horizontally arranged is hinged on the first hinging column, a second bevel gear (20) is arranged at the outer ring of one end of the middle sleeve rod (16), the first bevel gear (19) and the second bevel gear (20) are meshed, an extension plate (21) is arranged at the bottom of the first bevel gear (19), an extension vertical plate is arranged at one end of the extension plate (21), a second bearing sleeve which is horizontally arranged is arranged on the extension vertical plate, a rotating shaft (22) which is horizontally arranged is arranged at the inner ring of the second bearing sleeve, the rotating shaft (22) can be rotatably inserted in the second bearing sleeve, two ends of the rotating shaft extend outwards, one end of the rotating shaft (22) is fixedly connected with one end of the visual display (7), a third bevel gear (23) is arranged at the other end of the rotating shaft (22), a fourth bevel gear (24) is arranged at the extension end of, the second hinge column is hinged with a fifth bevel gear (25), and the fifth bevel gear (25) is meshed with the third bevel gear (23) and the position bevel gear respectively.

3. The visual hospital bed calling system of claim 2, wherein: the angle tracking assembly further comprises a first motor (26), a second motor (27), a third motor (28), a first auxiliary synchronizing wheel (29), a second auxiliary synchronizing wheel (30) and a third auxiliary synchronizing wheel (31), wherein the first auxiliary synchronizing wheel (29) is fixedly installed at one end, located inside the driving box (14), of the outer sleeved rod (15), the second auxiliary synchronizing wheel (30) is fixedly installed at one end, located inside the driving box (14), of the middle sleeved rod (16), the third auxiliary synchronizing wheel (31) is fixedly installed at one end, located inside the driving box (14), of the inner rod, the first motor (26), the second motor (27) and the third motor (28) are respectively and horizontally located on one side of the first auxiliary synchronizing wheel (29), the second auxiliary synchronizing wheel (30) and the third auxiliary synchronizing wheel (31), the first motor (26), the second motor (27) and the third motor (28) are respectively and fixedly connected with the inner wall of the driving box (14) through first supports, the first motor (26), the second motor (27) and the third motor (28) are respectively provided with a first main synchronous tooth in one-to-one correspondence with the first auxiliary synchronous wheel (29), the second auxiliary synchronous wheel (30) and the third auxiliary synchronous wheel (31), a second main synchronous wheel (33) and a third main synchronous wheel (34), the first main synchronous tooth (32), the second main synchronous tooth and the third main synchronous wheel (34) are respectively in transmission connection with the first auxiliary synchronous wheel (29), the second auxiliary synchronous wheel (30) and the third auxiliary synchronous wheel (31) through synchronous belts, and the first motor (26), the second motor (27) and the third motor (28) are respectively in electric connection with the master controller (11).

4. The visual hospital bed calling system of claim 3, wherein: and the inner wall of the driving box (14) is uniformly provided with a sound insulation layer (35).

5. The visual hospital bed calling system of claim 4, wherein: the horizontal moving assembly further comprises a moving transverse plate (36), a fourth motor (37), a first main gear (38), a second main gear (39) and two racks (40), the moving transverse plate (36) is horizontally arranged inside the lifting frame, the moving plate (9) is vertically and fixedly arranged at one end of the moving transverse plate (36), the first main gear (38) and the second main gear (39) are symmetrically arranged above the moving transverse plate (36), the first main gear (38) and the second main gear (39) are meshed, a driving shaft is arranged at the bottom of the first main gear (38), one end of the driving shaft can rotatably penetrate through the top and the bottom of the moving transverse plate (36) to extend downwards, the fourth motor (37) is vertically and fixedly arranged at the bottom of the moving transverse plate (36), the output end of the fourth motor (37) is fixedly connected with the bottom of the driving shaft, a driven shaft is arranged at the bottom of the second main gear (39), the bottom of the driven shaft can be rotatably inserted into the top of the moving transverse plate (36), the two racks (40) are respectively horizontally arranged on one sides of the first main gear (38) and the second main gear (39), the side wall of each rack (40) is respectively fixedly connected with the top end of the interior of the lifting frame, the first main gear (38) and the second main gear (39) are respectively meshed with each rack (40), and the fourth motor (37) is electrically connected with the master controller (11).

6. The visual hospital bed calling system of claim 5, wherein: vertical plates (42) are respectively arranged on two sides of the moving plate (9), the bottom of each vertical plate (42) is fixedly connected with the top of the lifting frame, T-shaped sliding blocks (41) extending into the vertical plates (42) are respectively arranged on two sides of the driving box (14), and T-shaped sliding grooves (43) for enabling the T-shaped sliding blocks (41) to slide are respectively arranged on the vertical plates (42).

7. The visual hospital bed calling system of claim 6, wherein: limiting rods (44) are respectively arranged on two sides of the movable transverse plate (36), two ends of each limiting rod (44) are respectively fixedly connected with the top end of the interior of the lifting frame through second supports, and limiting sleeves (45) capable of sliding on the limiting rods (44) are respectively arranged on two ends of the movable transverse plate (36).

8. The visual hospital bed calling system of claim 7, wherein: the lifting assembly comprises a fifth motor (46), a fixed loop bar (47), a threaded loop bar (48), an inner bar (49) and a threaded sleeve jig (50), the fixed loop bar (47) is vertically arranged at the center of the inner bottom end of the lifting box (5), the bottom of the fixed loop bar (47) penetrates through the two ends of the bottom of the lifting box (5) and extends downwards, the threaded sleeve jig (50) is horizontally and fixedly installed at the top end of the inner portion of the fixed loop bar (47), the threaded loop bar (48) is vertically arranged inside the fixed loop bar (47), one end of the threaded loop bar (48) penetrates through the threaded sleeve jig (50) and extends upwards, the top of the threaded loop bar (48) can be rotatably inserted into the center of the bottom of the lifting frame, the inner bar (49) is vertically arranged at the inner ring of the threaded loop bar (48), the bottom of the inner bar (49) extends downwards, the fifth motor (46) is vertically arranged below the fixed loop bar (47), the output end of a fifth motor (46) is fixedly connected with the bottom of the inner rod (49), the fifth motor (46) is fixedly connected with the bottom of the lifting box (5) through a third support, sliding strips (51) are respectively arranged on two sides of the inner rod (49), and a sliding groove (52) which is used for allowing each sliding strip (51) to abut against and slide is formed in the threaded sleeve rod (48).

9. The visual hospital bed calling system of claim 8, wherein: every corner in the bottom of crane is equipped with respectively and is spacing post (53) of vertical setting, and the inside bottom of lifting box (5) is provided with and is used for supplying gliding spacing loop bar (54) of every spacing post (53).

10. The visual bed calling system of claim 9, wherein: the rectangular bottom moving frame (1) is provided with a height adjusting assembly, the height adjusting assembly comprises a sixth motor (55), a first threaded rod (56), a second threaded rod (57) and a middle connecting rod (58), the middle connecting rod (58) is horizontally arranged below the bottom moving frame (1), the first threaded rod (56) and the second threaded rod (57) are horizontally and fixedly arranged at two ends of the middle connecting rod (58) respectively, bearing seats (59) are arranged at two ends of the first threaded rod (56) and the second threaded rod (57) respectively, one end of each bearing seat (59) is fixedly connected with two ends of the bottom moving frame (1) respectively, one end of the first threaded rod (56) and one end of the second threaded rod (57) can be rotatably inserted into an inner ring of each bearing seat (59) and extend outwards, the sixth motor (55) is horizontally arranged at one end of one bearing seat (59) of the two bearing seats (59), a sixth motor (55) is fixedly connected with the side wall of the bottom moving frame (1) through a fourth support, the output end of the sixth motor (55) is fixedly connected with the extending end of the first threaded rod (56), the threads on the first threaded rod (56) and the second threaded rod are arranged in reverse direction, the first threaded rod (56) and the second threaded rod (57) are respectively provided with a lead screw slider (60), each lead screw slider (60) is respectively in threaded connection with the first threaded rod (56) and the second threaded rod (57), the top of each lead screw slider (60) is respectively provided with an extending block extending towards the inside of the bottom moving frame (1), each extending block is respectively provided with a horizontal rod (61) which is arranged horizontally, the axis of each horizontal rod (61) is crossed with the axis of the middle connecting rod (58), the inside of the bottom moving frame (1) is respectively provided with slide rails (62) which are in one-to-one correspondence with the two ends of each horizontal rod (61), the both ends of every horizon bar (61) are respectively to the inside extension of every slide rail (62), and the both ends of every horizon bar (61) can gliding setting respectively in the inside of every slide rail (62), and every horizon bar (61) is gone up and is articulated respectively and be equipped with lifting connecting rod (63), and the one end that every gag lever post (44) was kept away from in every lifting connecting rod (63) is articulated the setting with the bottom of bed board (2) respectively, and sixth motor (55) are connected with total control electricity.

Technical Field

The invention relates to the technical field of hospital bed calling systems, in particular to a visual hospital bed calling system.

Background

At present, there are many hospital bed call management devices, most of which are wired communication and inform calling for help by sound and light alarm and LED display, such as: some companies produce nursing communication system, it is a wired calling system of the multichannel, it is mainly made up of LED light emitting diode sick bed tabulation (board), the acousto-optic response warning device, call controller and call button switch, when the patient needs to call for help, press the call button, LED light emitting diode sick bed tabulation and acousto-optic response warning device of the room on duty will make corresponding reaction and display at this moment, is used for pointing out the medical personnel on duty, this kind of nursing communication system or calling system apparatus function is relatively more simplex, when the patient needs to call, the personnel on duty can't track the position of the patient through the display, while calling, the personnel on duty lacks the concrete information of the patient, doctor and nurse can only spend time to know the concrete situation in the ward that the patient calls, therefore lead to the patient can't notice the concrete situation to the doctor in time, influence the nursing experience of the patient, therefore, we propose a visual bed calling system in order to solve the above proposed problems.

Disclosure of Invention

The invention aims to provide a visual sickbed calling system, wherein a visual display can track the position of a patient when the device calls, so that a doctor can quickly know the specific condition of the patient, and the time of the doctor and the patient is saved.

In order to achieve the purpose, the invention adopts the following technical scheme:

the visual sickbed calling system comprises a rectangular bottom moving frame, a bed body and a sight-seeing calling mechanism, wherein the bed body can be arranged on the bottom moving frame in a lifting mode, the bed body consists of a bed board, a bed head and a bed tail, the sight-seeing calling mechanism is arranged on the outer wall of the bed tail, the sight-seeing calling mechanism comprises a lifting box, a lifting assembly, a containing box, a horizontal moving assembly, an angle tracking assembly and a visual display, the lifting box is fixedly arranged on the outer wall of the bed tail, the top of the lifting box is of an open structure, the lifting assembly is arranged at the lower end of the inner part of the lifting box, the upgrading assembly comprises an upgrading frame capable of lifting, the containing box is fixedly arranged at the top of a lifting frame, a horizontal moving group is arranged inside the lifting frame, the horizontal moving assembly comprises a lifting frame capable of moving horizontally and extending upwards, and a rectangular, the inside one end of angle tracking subassembly and the extension end fixed connection of movable plate, the setting that visual display can move about is at the work end of angle tracking subassembly, and the outer wall of tailstock is equipped with total controller, is equipped with the connecting wire that extends to the head of a bed direction on the controller, and the extension end of connecting wire is equipped with hand controller, and the controller is connected with lifting unit, horizontal migration subassembly, angle tracking subassembly and visual display electricity respectively.

Preferably, the angle tracking assembly comprises a driving box, an outer sleeve rod, a middle sleeve rod and an inner sleeve rod, one end of the driving box is fixedly connected with one end of the movable plate, one end of the driving box, far away from the movable plate, is provided with a first bearing sleeve penetrating through two surfaces, the outer sleeve rod is horizontally and rotatably inserted into an inner ring of the first bearing sleeve, the middle sleeve rod is rotatably inserted into the inner ring of the outer sleeve rod, two ends of the middle sleeve rod respectively extend out of two ends of the outer sleeve rod, an inner rod is rotatably inserted into the inner ring of the middle sleeve rod, two ends of the inner sleeve rod respectively extend out of two ends of the middle sleeve rod, two sides of one end, far away from the driving box, of the outer sleeve rod are respectively provided with an L-shaped plate, the two L-shaped plates are symmetrically arranged, one end, adjacent to the two L-shaped plates, is respectively provided with a first hinged column and a second hinged column, a first conical tooth horizontally arranged is hinged on the first hinged column, first awl tooth and second awl tooth meshing setting, the bottom of first awl tooth is equipped with the extension board, the one end of this extension board is equipped with the extension riser, be equipped with the second bearing cover that is the level setting on this extension riser, the inner circle of this second bearing cover is equipped with the rotation axis that is the level setting, the rotation axis can be rotatory insert locate the second bearing cover and both ends are outwards extended, the one end of rotation axis and the one end fixed connection of visual display, the other end of rotation axis is equipped with the third awl tooth, the extension end of inner loop bar is equipped with the fourth awl tooth, the articulated fifth awl tooth that is equipped with of second hinge post, the fifth awl tooth sets up with third awl tooth and status awl tooth meshing respectively.

Preferably, the angle tracking assembly further includes a first motor, a second motor, a third motor, a first secondary synchronizing wheel, a second secondary synchronizing wheel and a third secondary synchronizing wheel, the first secondary synchronizing wheel is fixedly mounted at one end of the outer loop bar inside the driving box, the second secondary synchronizing wheel is fixedly mounted at one end of the middle loop bar inside the driving box, the third secondary synchronizing wheel is fixedly mounted at one end of the inner loop bar inside the driving box, the first motor, the second motor and the third motor are respectively horizontally located at one side of the first secondary synchronizing wheel, the second secondary synchronizing wheel and the third secondary synchronizing wheel, the first motor, the second motor and the third motor are respectively and fixedly connected with the inner wall of the driving box through a first support, and the first motor, the second motor and the third motor are respectively provided with first main tooth synchronizing wheels corresponding to the first secondary synchronizing wheel, the second secondary synchronizing wheel and the third secondary synchronizing wheel one to one, The first main synchronizing gear, the second main synchronizing gear and the third main synchronizing gear are in transmission connection with the first auxiliary synchronizing gear, the second auxiliary synchronizing gear and the third auxiliary synchronizing gear through synchronous belts respectively, and the first motor, the second motor and the third motor are electrically connected with the master controller respectively.

Preferably, the inner wall of the driving box is uniformly provided with a sound insulation layer.

Preferably, the horizontal moving assembly further comprises a moving transverse plate, a fourth motor, a first main gear, a second main gear and two racks, the moving transverse plate is horizontally arranged inside the lifting frame, the moving plate is vertically and fixedly installed at one end of the moving transverse plate, the first main gear and the second main gear are symmetrically arranged above the moving transverse plate, the first main gear and the second main gear are meshed, a driving shaft is arranged at the bottom of the first main gear, one end of the driving shaft can rotatably penetrate through the top and the bottom of the moving transverse plate to extend downwards, the fourth motor is vertically and fixedly installed at the bottom of the moving transverse plate, an output end of the fourth motor is fixedly connected with the bottom of the driving shaft, a driven shaft is arranged at the bottom of the second main gear, the bottom of the driven shaft can be rotatably inserted into the top of the moving transverse plate, the two racks are respectively and horizontally arranged at one side of the first main gear and the second main gear, the side wall of each rack is fixedly connected with the top end of the interior of the lifting frame, the first main gear and the second main gear are meshed with the racks respectively, and the fourth motor is electrically connected with the master controller.

Preferably, vertical plates are respectively arranged on two sides of the moving plate, the bottom of each vertical plate is fixedly connected with the top of the lifting frame, T-shaped sliding blocks extending towards the inside of each vertical plate are respectively arranged on two sides of the driving box, and a T-shaped sliding groove for allowing each T-shaped sliding block to slide is respectively arranged on each vertical plate.

Preferably, both sides of the movable transverse plate are respectively provided with a limiting rod, both ends of each limiting rod are respectively fixedly connected with the top end of the interior of the lifting frame through a second support, and both ends of the movable transverse plate are respectively provided with a limiting sleeve capable of sliding on each limiting rod.

Preferably, the lifting assembly comprises a fifth motor, a fixed loop bar, a thread loop bar, an inner bar and a thread loop jig, the fixed loop bar is vertically arranged at the center of the bottom end of the lifting box, the bottom of the fixed loop bar penetrates through the two ends of the bottom of the lifting box and extends downwards, the thread loop jig is horizontally and fixedly arranged at the top end of the inside of the fixed loop bar, the thread loop bar is vertically arranged inside the fixed loop bar, one end of the thread loop bar penetrates through the thread loop jig and extends upwards, the top of the thread loop bar can be rotatably inserted into the center of the bottom of the lifting frame, the inner bar is vertically arranged at the inner ring of the thread loop bar, the bottom of the inner bar extends downwards, the fifth motor is vertically arranged below the fixed loop bar, the output end of the fifth motor is fixedly connected with the bottom of the inner bar, the fifth motor is fixedly connected with the bottom of the lifting box through a third support, two sides of the inner bar are respectively provided with, the threaded sleeve rod is provided with a sliding groove for each sliding strip to abut against and slide.

Preferably, every corner in the bottom of crane is equipped with respectively and is the spacing post of vertical setting, and the inside bottom of lift case is provided with and is used for supplying the gliding spacing loop bar of every spacing post.

Preferably, the rectangular bottom moving frame is provided with a height adjusting assembly, the height adjusting assembly comprises a sixth motor, a first threaded rod, a second threaded rod and a middle connecting rod, the middle connecting rod is horizontally arranged below the bottom moving frame, the first threaded rod and the second threaded rod are horizontally and respectively fixedly arranged at two ends of the middle connecting rod, two ends of the first threaded rod and the second threaded rod are respectively provided with a bearing seat, one end of each bearing seat is respectively and fixedly connected with two ends of the bottom moving frame, one end of the first threaded rod and one end of the second threaded rod can be respectively and rotatably inserted into an inner ring of each bearing seat to extend outwards, the sixth motor is horizontally arranged at one end of one of the two bearing seats, the sixth motor is fixedly connected with the side wall of the bottom moving frame through a fourth support, and the output end of the sixth motor is fixedly connected with the extending end of the first threaded rod, the screw threads on the first screw thread and the second screw thread are arranged in a reverse direction, the first screw thread and the second screw thread are respectively provided with a screw rod slide block, each screw rod slide block is respectively in threaded connection with the first screw thread and the second screw thread, the top of each screw rod slide block is respectively provided with an extension block extending towards the inside of the bottom moving frame, each extension block is respectively provided with a horizontal rod which is arranged horizontally, the axis of each horizontal rod is crossed with the axis of the middle connecting rod, the inside of the bottom moving frame is respectively provided with a slide rail which is in one-to-one correspondence with the two ends of each horizontal rod, the two ends of each horizontal rod respectively extend towards the inside of each slide rail, the two ends of each horizontal rod are respectively arranged inside each slide rail in a sliding manner, each horizontal rod is respectively hinged with a lifting connecting rod, one end of each lifting connecting rod, which is far away from each limiting, and the sixth motor is electrically connected with the master control.

The invention has the beneficial effects that: a visual sickbed calling system is characterized in that a patient lies on a bed board, a master controller is instructed by a hand controller, when the height of the bed board needs to be adjusted, the master controller controls a sixth motor to rotate, the sixth motor drives a first threaded rod, a middle connecting rod and a second threaded rod to rotate, threads on the first threaded rod and the second threaded rod are arranged in opposite directions, the first threaded rod and the second threaded rod respectively drive a screw rod sliding block and a horizontal rod to move in opposite directions, two ends of each horizontal rod respectively move horizontally along a sliding rail, each horizontal rod also respectively drives a lifting connecting rod to move, one end of each lifting connecting rod respectively drives the bed board to lift until the required height is adjusted, a position tracking sensor is arranged on a visual display and is electrically connected with the master controller, the tracking sensor comprises a receiver, and the patient lies on the bed and carries the receiver of a position sensor, when the visual display is opened, the working end of the position sensor can track the position of the receiver to move, when the visual display needs to move, the controller controls the first motor, the second motor and the third motor to rotate according to the angle sectional type which needs to be adjusted, the first motor, the second motor and the third motor respectively drive the first main synchronizing gear, the second main synchronizing gear and the third main synchronizing gear to rotate, the first main synchronizing gear, the second main synchronizing gear and the third main synchronizing gear respectively drive the outer sleeve rod, the middle sleeve rod and the inner sleeve rod to rotate, when the outer rod rotates, the outer rod respectively drives each L-shaped plate and the visual display to rotate, when the middle sleeve rod rotates, the middle sleeve rod drives the second conical gear and the first conical gear to rotate, according to the angle of the two L-shaped plates rotating along the axis of the outer sleeve rod, the visual display can be adjusted in an up-and-down angle or left-right angle, when the inner sleeve rod rotates, the inner loop bar drives the fourth bevel gear, the third bevel gear and the fifth bevel gear respectively, the third bevel gear drives the rotating shaft to enable the visual display to rotate and adjust along the axis of the rotating shaft, the visual display realizes multi-angle tracking motion, the sound insulation layer arranged on the inner wall of the driving box can reduce noise emitted by the first motor, the second motor and the third motor, when the visual display needs to be close to a patient lying on the bed body, the controller controls the fourth motor, the fourth motor drives the driving shaft and the first main gear to rotate, the first main gear drives the second main gear to rotate, the first main gear and the second main gear respectively move horizontally along each rack and drive the driving box to move towards the direction of the bed head until the visual movable plate display moves to a required position to stop, when the driving box moves horizontally, each set T-shaped slide block respectively slides along the T-shaped chute of each vertical plate, when the removal diaphragm carries out horizontal migration, every stop collar that sets up carries out spacing removal along the gag lever post, when visual display needs lift adjustment, controller control fifth motor, it is rotatory that pole in the fifth motor drives, interior pole makes the screw thread loop bar rotatory along every sliding tray of screw thread loop bar through every slider, screw thread loop bar's one end is passed through screw thread cover tool rebound, and drive the crane simultaneously, drive case and visual display rebound, until adjust visual display to the high stop of needs, when lift movement is carried out to the crane, every spacing post and every stop collar bar that set up play spacing effect of going up and down, patient's position can be tracked to visual display when this equipment is calling, the understanding patient's particular case that makes the doctor can be quick, save doctor and patient's time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a schematic perspective view illustrating a second embodiment of the present invention;

FIG. 3 is a front view of an embodiment of the present invention;

FIG. 4 is a partial perspective view of an embodiment of the present invention;

FIG. 5 is a top view of a per-view mechanism according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along A-A of FIG. 5 in accordance with one embodiment of the present invention;

FIG. 7 is an enlarged view at B of FIG. 6 according to an embodiment of the present invention;

FIG. 8 is an enlarged view at C of FIG. 6 in accordance with an embodiment of the present invention;

fig. 9 is a partial perspective view of a video call mechanism according to an embodiment of the present invention;

fig. 10 is a partial perspective view of a video call mechanism according to an embodiment of the present invention;

FIG. 11 is a partial perspective view of an angle tracking assembly according to an embodiment of the present invention;

FIG. 12 is an enlarged view at D of FIG. 11 in accordance with an embodiment of the present invention;

FIG. 13 is a partial perspective view of a second angular tracking assembly according to an embodiment of the present invention;

FIG. 14 is a partially exploded view of a lift assembly in accordance with one embodiment of the present invention;

in the figure: a bottom moving frame 1, a bed board 2, a bed head 3, a bed tail 4, a lifting box 5, a containing box 6, a visual display 7, an upgrading frame 8, a moving plate 9, a rectangular notch 10, a master controller 11, a connecting wire 12, a hand controller 13, a driving box 14, an outer sleeve rod 15, a middle sleeve rod 16, an inner sleeve rod 17, an L-shaped plate 18, a first bevel gear 19, a second bevel gear 20, an extension plate 21, a rotating shaft 22, a third bevel gear 23, a fourth bevel gear 24, a fifth bevel gear 25, a first motor 26, a second motor 27, a third motor 28, a first auxiliary synchronizing wheel 29, a second auxiliary synchronizing wheel 30, a third auxiliary synchronizing wheel 31, a first main synchronizing gear 32, a second main synchronizing wheel 33, a third main synchronizing wheel 34, a sound insulation layer 35, a moving transverse plate 36, a fourth motor 37, a first main gear 38, a second main gear 39, a rack 40, a T-shaped sliding block 41, a vertical block 42, a T-shaped sliding chute 43, a rod 44, the device comprises a limiting sleeve 45, a fifth motor 46, a fixed sleeve rod 47, a threaded sleeve rod 48, an inner rod 49, a threaded sleeve jig 50, a sliding strip 51, a sliding groove 52, a limiting column 53, a limiting sleeve rod 54, a sixth motor 55, a first threaded rod 56, a second threaded rod 57, a middle connecting rod 58, a bearing seat 59, a screw rod sliding block 60, a horizontal rod 61, a sliding rail 62 and a lifting connecting rod 63.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 14, a visual hospital bed calling system comprises a rectangular bottom moving frame 1 and a bed body, and further comprises a video calling mechanism, wherein the bed body is arranged on the bottom moving frame 1 in a lifting manner, the bed body is composed of a bed board 2, a bed head 3 and a bed tail 4, the video calling mechanism is arranged on the outer wall of the bed tail 4, the video calling mechanism comprises a lifting box 5, a lifting component, a containing box 6, a horizontal moving component, an angle tracking component and a visual display 7, the lifting box 5 is fixedly arranged on the outer wall of the bed tail 4, the top of the lifting box 5 is an open structure, the lifting component is arranged at the lower end of the interior of the lifting box 5, the upgrading component comprises an upgrading frame 8 capable of lifting, the containing box 6 is fixedly arranged at the top of the lifting frame, the horizontal moving component is arranged in the lifting frame, the horizontal moving component comprises a moving plate 9 capable of moving horizontally and, be equipped with the rectangle incision 10 that supplies the movable plate 9 to remove on the crane, the inside one end of angle tracking subassembly and the extension end fixed connection of movable plate 9, the setting that visual display 7 can move about is at the work end of angle tracking subassembly, the outer wall of tailstock 4 is equipped with total controller 11, be equipped with the connecting wire 12 that extends to 3 directions of head of a bed on the controller, the extension end of connecting wire 12 is equipped with hand controller 13, the controller respectively with lifting unit, the horizontal migration subassembly, angle tracking subassembly and visual display 7 electricity are connected.

The angle tracking assembly comprises a driving box 14, an outer sleeve rod 15, a middle sleeve rod 16 and an inner sleeve rod 17, one end of the driving box 14 is fixedly connected with one end of the movable plate 9, one end of the driving box 14, far away from the movable plate 9, is provided with a first bearing sleeve penetrating through two surfaces, the outer sleeve rod 15 is horizontally and rotatably inserted into an inner ring of the first bearing sleeve, the middle sleeve rod 16 is rotatably inserted into the inner ring of the outer sleeve rod 15, two ends of the middle sleeve rod 16 respectively extend towards the outer parts of two ends of the outer sleeve rod 15, an inner rod is rotatably inserted into the inner ring of the middle sleeve rod 16, two ends of the inner sleeve rod 17 respectively extend towards the outer parts of two ends of the middle sleeve rod 16, two sides of one end, far away from the driving box 14, of the outer sleeve rod 15 are respectively provided with L-shaped plates 18, the two L-shaped plates 18 are symmetrically arranged, one ends, adjacent to the two L-shaped plates 18 are respectively provided with a first hinged column and a second hinged column, the outer ring of one end of the middle sleeve rod 16 is provided with a second conical tooth 20, a first conical tooth 19 and the second conical tooth 20 are arranged in a meshed manner, the bottom of the first conical tooth 19 is provided with an extension plate 21, one end of the extension plate 21 is provided with an extension vertical plate, the extension vertical plate is provided with a second bearing sleeve which is horizontally arranged, the inner ring of the second bearing sleeve is provided with a rotating shaft 22 which is horizontally arranged, the rotating shaft 22 can be rotatably inserted into the second bearing sleeve, two ends of the rotating shaft extend outwards, one end of the rotating shaft 22 is fixedly connected with one end of the visual display 7, the other end of the rotating shaft 22 is provided with a third conical tooth 23, the extension end of the inner sleeve rod 17 is provided with a fourth conical tooth 24, the second hinge column is hinged with a fifth conical tooth 25, the fifth conical tooth 25 is respectively meshed with the third conical tooth 23 and a ground conical tooth, when the outer rod rotates, the outer rod drives each L-shaped plate 18 and the visual display 7 to rotate, well loop bar 16 drives second taper tooth 20 and first taper tooth 19 rotatoryly, according to the rotatory angle of the axis along outer loop bar 15 of two L templates 18, can realize angle regulation about or about angle regulation with visual display 7, when interior loop bar 17 is rotatory, interior loop bar 17 drives fourth taper tooth 24 respectively, third taper tooth 23 and fifth taper tooth 25, third taper tooth 23 drives rotation axis 22 and makes visual display 7 can carry out rotation regulation along the axis of rotation axis 22, make visual display 7 realize multi-angle tracking motion.

The angle tracking assembly further comprises a first motor 26, a second motor 27, a third motor 28, a first auxiliary synchronizing wheel 29, a second auxiliary synchronizing wheel 30 and a third auxiliary synchronizing wheel 31, the first auxiliary synchronizing wheel 29 is fixedly installed at one end, located inside the driving box 14, of the outer loop bar 15, the second auxiliary synchronizing wheel 30 is fixedly installed at one end, located inside the driving box 14, of the middle loop bar 16, the third auxiliary synchronizing wheel 31 is fixedly installed at one end, located inside the driving box 14, of the inner loop bar, the first motor 26, the second motor 27 and the third motor 28 are respectively and horizontally located on one side of the first auxiliary synchronizing wheel 29, the second auxiliary synchronizing wheel 30 and the third auxiliary synchronizing wheel 31, the first motor 26, the second motor 27 and the third motor 28 are respectively and fixedly connected with the inner wall of the driving box 14 through first supports, and first main teeth, corresponding to the first auxiliary synchronizing wheel 29, the second auxiliary synchronizing wheel 30 and the third auxiliary synchronizing wheel 31, are respectively arranged on the first motor 26, the second motor 27 and the third motor 28, A second main synchronizing wheel 33 and a third main synchronizing wheel 34, wherein the first main synchronizing gear 32, the second main synchronizing gear and the third main synchronizing wheel 34 are respectively connected with the first auxiliary synchronizing wheel 29, the second auxiliary synchronizing wheel 30 and the third auxiliary synchronizing wheel 31 through synchronous belts in a transmission way, the first motor 26, the second motor 27 and the third motor 28 are respectively and electrically connected with the master controller 11, a position tracking sensor is arranged on the visual display 7 and electrically connected with the master controller 11, the tracking sensor comprises a receiver, a patient lies on a bed to carry the receiver of the position sensor, when the visual display 7 is opened, the working end of the position sensor can track the position of the receiver to move, when the visual display 7 needs to move, the controller controls the first motor 26, the second motor 27 and the third motor 28 to rotate according to the angle required to be adjusted in a sectional way, the first motor 26, the second motor 27, The third motor 28 drives the first main synchronizing gear 32, the second main synchronizing gear 33 and the third main synchronizing gear 34 to rotate, and the first main synchronizing gear 32, the second main synchronizing gear 33 and the third main synchronizing gear 34 drive the outer loop bar 15, the middle loop bar 16 and the inner loop bar 17 to rotate, respectively.

The inner wall of the driving box 14 is uniformly provided with the sound insulation layer 35, and the sound insulation layer 35 arranged on the inner wall of the driving box 14 can reduce the noise generated by the first motor 26, the second motor 27 and the third motor 28.

The horizontal moving assembly further comprises a moving transverse plate 36, a fourth motor 37, a first main gear 38, a second main gear 39 and two racks 40, the moving transverse plate 36 is horizontally arranged inside the lifting frame, the moving plate 9 is vertically and fixedly arranged at one end of the moving transverse plate 36, the first main gear 38 and the second main gear 39 are symmetrically arranged above the moving transverse plate 36, the first main gear 38 and the second main gear 39 are meshed, a driving shaft is arranged at the bottom of the first main gear 38, one end of the driving shaft can rotatably penetrate through the top and the bottom of the moving transverse plate 36 to extend downwards, the fourth motor 37 is vertically and fixedly arranged at the bottom of the moving transverse plate 36, an output end of the fourth motor 37 is fixedly connected with the bottom of the driving shaft, a driven shaft is arranged at the bottom of the second main gear 39, the bottom of the driven shaft can be rotatably inserted into the top of the moving transverse plate 36, the two racks 40 are respectively and horizontally arranged at one side of the first main gear 38 and the second main gear 39, the side wall of each rack 40 is fixedly connected with the top end of the interior of the lifting frame, the first main gear 38 and the second main gear 39 are respectively meshed with each rack 40, the fourth motor 37 is electrically connected with the master controller 11, when the visual display 7 needs to be close to a patient lying on the bed body, the controller controls the fourth motor 37, the fourth motor 37 drives the driving shaft and the first main gear 38 to rotate, the first main gear 38 drives the second main gear 39 to rotate, the first main gear 38 and the second main gear 39 respectively horizontally move along each rack 40, and the moving plate 9 is driven to drive the driving box 14 to move towards the direction of the bed head 3 until the visual display 7 moves to a required position and stops.

The two sides of the moving plate 9 are respectively provided with a vertical plate 42, the bottom of each vertical plate 42 is respectively fixedly connected with the top of the lifting frame, the two sides of the driving box 14 are respectively provided with a T-shaped sliding block 41 extending towards the inside of each vertical plate 42, each vertical plate 42 is respectively provided with a T-shaped sliding groove 43 for each T-shaped sliding block 41 to slide, and when the driving box 14 moves horizontally, each T-shaped sliding block 41 slides along the T-shaped sliding groove 43 of each vertical plate 42 in a guiding manner.

The both sides of removing the diaphragm 36 are provided with gag lever post 44 respectively, and the inside top fixed connection of second support and crane is passed through respectively at the both ends of every gag lever post 44, and the both ends of removing the diaphragm 36 are equipped with gliding stop collar 45 on every gag lever post 44 respectively, and when removing the diaphragm 36 and carry out horizontal migration, every stop collar 45 that sets up carries out spacing removal along gag lever post 44.

The lifting assembly comprises a fifth motor 46, a fixed loop bar 47, a thread loop bar 48, an inner bar 49 and a thread loop jig 50, the fixed loop bar 47 is vertically arranged at the center of the bottom end inside the lifting box 5, the bottom of the fixed loop bar 47 penetrates through the two ends of the bottom of the lifting box 5 and extends downwards, the thread loop jig 50 is horizontally and fixedly arranged at the top end inside the fixed loop bar 47, the thread loop bar 48 is vertically arranged inside the fixed loop bar 47, one end of the thread loop bar 48 penetrates through the thread loop jig 50 and extends upwards, the top of the thread loop bar 48 can be rotatably inserted into the center of the bottom of the lifting frame, the inner bar 49 is vertically arranged at the inner ring of the thread loop bar 48, the bottom of the inner bar 49 extends downwards, the fifth motor 46 is vertically arranged below the fixed loop bar 47, the output end of the fifth motor 46 is fixedly connected with the bottom of the inner bar 49, the fifth motor 46 is fixedly connected with the bottom of the lifting box 5 through a third support, the both sides of interior pole 49 are equipped with the sliding strip 51 respectively, be equipped with on the screw loop pole 48 and be used for supplying every sliding strip 51 to contradict and gliding sliding tray 52, when visual display 7 needs lift adjustment, fifth motor 46 is controlled to the controller, fifth motor 46 drives interior pole 49 rotatory, interior pole 49 makes screw loop pole 48 rotatory along every sliding tray 52 of screw loop pole 48 through every sliding strip 51, screw loop tool 50 is passed through to screw loop tool 50 rebound to drive crane, drive box 14 and visual display 7 rebound simultaneously, until adjusting visual display 7 to the required high stop.

Every corner in the bottom of crane is equipped with respectively and is the spacing post 53 of vertical setting, and the inside bottom of lift box 5 is provided with and is used for supplying the gliding spacing loop bar 54 of every spacing post 53, when the crane goes up and down to remove, and every spacing post 53 and every spacing loop bar 54 that set up play spacing effect of going up and down.

The rectangular bottom moving frame 1 is provided with a height adjusting assembly, the height adjusting assembly comprises a sixth motor 55, a first threaded rod 56, a second threaded rod 57 and a middle connecting rod 58, the middle connecting rod 58 is horizontally arranged below the bottom moving frame 1, the first threaded rod 56 and the second threaded rod 57 are horizontally and respectively fixedly arranged at two ends of the middle connecting rod 58, two ends of the first threaded rod 56 and the second threaded rod 57 are respectively provided with a bearing seat 59, one end of each bearing seat 59 is respectively and fixedly connected with two ends of the bottom moving frame 1, one end of the first threaded rod 56 and one end of the second threaded rod 57 can be respectively and rotatably inserted into an inner ring of each bearing seat 59 and extend outwards, the sixth motor 55 is horizontally arranged at one end of one bearing seat 59 of the two bearing seats 59, and the sixth motor 55 is fixedly connected with the side wall of the bottom moving frame 1 through a fourth support, the output end of the sixth motor 55 is fixedly connected with the extending end of the first threaded rod 56, the threads on the first threaded rod 56 and the second threaded rod are arranged in opposite directions, the first threaded rod 56 and the second threaded rod 57 are respectively provided with a screw rod slider 60, each screw rod slider 60 is respectively in threaded connection with the first threaded rod 56 and the second threaded rod 57, the top of each screw rod slider 60 is respectively provided with an extending block extending towards the inside of the bottom moving frame 1, each extending block is respectively provided with a horizontal rod 61 arranged in a horizontal manner, the axis of each horizontal rod 61 is crossed with the axis of the middle connecting rod 58, the inside of the bottom moving frame 1 is respectively provided with a sliding rail 62 corresponding to the two ends of each horizontal rod 61 one by one, the two ends of each horizontal rod 61 respectively extend towards the inside of each sliding rail 62, the two ends of each horizontal rod 61 are respectively arranged in the inside of each sliding rail 62 in a sliding manner, each horizontal rod 61 is respectively hinged with a lifting connecting rod 63, one end of each lifting connecting rod 63, which is far away from each limiting rod 44, is hinged with the bottom of the bed plate 2, the sixth motor 55 is electrically connected with the master controller, a patient lies on the bed plate 2, the master controller 11 is instructed through the hand controller 13, when needing 2 height-adjusting with the bed board, total controller 11 control sixth motor 55 is rotatory, sixth motor 55 drives first threaded rod 56, middle part connecting rod 58 and second threaded rod 57 are rotatory, the screw on first threaded rod 56 and the second threaded rod 57 is reverse setting, first threaded rod 56 and second threaded rod 57 drive lead screw slider 60 and horizon bar 61 respectively and move in opposite directions, the both ends of every horizon bar 61 are respectively along slide rail 62 horizontal migration, every horizon bar 61 still drives lifting connecting rod 63 respectively and removes, the one end of every lifting connecting rod 63 drives 2 lifts of bed board respectively, stop until adjusting the height that needs.

The working principle is as follows: the patient lies on the bed board 2, the master controller 11 is instructed by the hand controller 13, when the height of the bed board 2 needs to be adjusted, the master controller 11 controls the sixth motor 55 to rotate, the sixth motor 55 drives the first threaded rod 56, the middle connecting rod 58 and the second threaded rod 57 to rotate, the threads on the first threaded rod 56 and the second threaded rod 57 are arranged in reverse direction, the first threaded rod 56 and the second threaded rod 57 respectively drive the screw rod slider 60 and the horizontal rod 61 to move in opposite directions, two ends of each horizontal rod 61 respectively move horizontally along the sliding rail 62, each horizontal rod 61 also respectively drives the lifting connecting rod 63 to move, one end of each lifting connecting rod 63 respectively drives the bed board 2 to lift until the required height is adjusted, the visual display 7 is provided with a position tracking sensor which is electrically connected with the master controller 11, the tracking sensor comprises a receiver, when the patient lies on the bed and carries the receiver of the position sensor, when the visual display 7 is opened, the working end of the position sensor can track the position of the receiver to move, when the movement is needed, the controller controls the first motor 26, the second motor 27 and the third motor 28 to rotate according to the angle regulated as required, the first motor 26, the second motor 27 and the third motor 28 respectively drive the first main synchronizing gear 32, the second main synchronizing gear 33 and the third main synchronizing gear 34 to rotate, the first main synchronizing gear 32, the second main synchronizing gear 33 and the third main synchronizing gear 34 respectively drive the outer sleeve rod 15, the middle sleeve rod 16 and the inner sleeve rod 17 to rotate, when the outer rod rotates, the outer rod respectively drives each L-shaped plate 18 and the visual display 7 to rotate, when the middle sleeve rod 16 rotates, the middle sleeve rod 16 drives the second conical gear 20 and the first conical gear 19 to rotate, according to the angle of the two L-shaped plates 18 rotating along the axis of the outer sleeve rod 15, the visual display 7 can be adjusted up and down or left and right, when the inner loop bar 17 rotates, the inner loop bar 17 drives the fourth bevel gear 24, the third bevel gear 23 and the fifth bevel gear 25 respectively, the third bevel gear 23 drives the rotating shaft 22 to enable the visual display 7 to be adjusted in rotation along the axis of the rotating shaft 22, the visual display 7 achieves multi-angle tracking motion, the sound insulation layer 35 arranged on the inner wall of the driving box 14 can reduce the noise generated by the first motor 26, the second motor 27 and the third motor 28, when the visual display 7 needs to get close to a patient lying on the bed body, the controller controls the fourth motor 37, the fourth motor 37 drives the driving shaft and the first main gear 38 to rotate, the first main gear 38 drives the second main gear 39 to rotate, the first main gear 38 and the second main gear 39 respectively move horizontally along each rack 40, and drives the moving plate 9 to drive the driving box 14 to move towards the direction of the bed head 3, until the visual display 7 is moved to the desired position, when the driving box 14 is moved horizontally, each T-shaped sliding block 41 is arranged to respectively slide along the T-shaped sliding groove 43 of each vertical plate 42, when the transverse plate 36 is moved horizontally, each limit sleeve 45 is arranged to perform limit movement along the limit rod 44, when the visual display 7 needs to be lifted and lowered, the controller controls the fifth motor 46, the fifth motor 46 drives the inner rod 49 to rotate, the inner rod 49 enables the threaded sleeve rod 48 to rotate along each sliding groove 52 of the threaded sleeve rod 48 through each sliding strip 51, one end of the threaded sleeve rod 48 moves upwards through the threaded sleeve jig 50, and simultaneously drives the lifting frame, the driving box 14 and the visual display 7 to move upwards until the visual display 7 is adjusted to the required height and stopped, when the lifting frame moves up and down, each limit column 53 and each limit sleeve rod 54 are arranged to play a role in limiting lifting.

It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.