阅读说明：本技术 一种坐面转换装置及坐面转换轮椅 (Seat surface conversion device and seat surface conversion wheelchair ) 是由 黄赞 宋绍鹏 包泽仁 关伟嘉 王立涛 童军杰 罗佩芳 于 2020-05-27 设计创作，主要内容包括：本发明涉及一种坐面转换装置及坐面转换轮椅。包括如厕面板以及卷收坐面,还包括第一支撑导轨、第二支撑导轨、固定卷轴机构以及移动卷轴机构,第一支撑导轨和第二支撑导轨分别设置在如厕面板的左右两侧,固定卷轴机构设置在如厕面板的后侧,移动卷轴机构与固定卷轴机构并行设置,移动卷轴机构的两端分别导向滑移装配在第一支撑导轨和第二支撑导轨上,移动卷轴机构包括第一卷轴和齿轮传动结构,卷收坐面的一侧与固定卷轴机构连接固定、另一侧与第一卷轴连接固定。通过采用本发明的坐面转换装置、坐面转换轮椅,避免了现有技术中需要使用者将臀部抬起才能对坐面进行收起的问题,方便了行动不便患者的如厕。(The invention relates to a seat surface conversion device and a seat surface conversion wheelchair. Including like lavatory panel and roll-up face of sitting, still include first supporting rail, second supporting rail, fixed reel mechanism and removal reel mechanism, first supporting rail and second supporting rail set up respectively in the left and right sides like lavatory panel, fixed reel mechanism sets up in the rear side like lavatory panel, removal reel mechanism sets up with fixed reel mechanism is parallel, the both ends of removing reel mechanism are the direction respectively and are slided the assembly on first supporting rail and second supporting rail, it includes first spool and gear drive structure to remove reel mechanism, one side and the fixed reel mechanism of roll-up face are connected fixedly, the opposite side is connected fixedly with first reel. By adopting the seat surface conversion device and the seat surface conversion wheelchair, the problem that the seat surface can be folded only by lifting the hip of a user in the prior art is solved, and convenience is brought to the toilet of a patient who is inconvenient to move.)

1. A seat surface conversion device is characterized in that: including like lavatory panel and set up the roll-up face of sitting in lavatory panel top, still include first supporting rail, second supporting rail, fixed reel mechanism and removal spool mechanism, first supporting rail and second supporting rail set up respectively in the left and right sides like lavatory panel, fixed reel mechanism sets up in the rear side like lavatory panel, remove reel mechanism and the parallel setting of fixed reel mechanism, the both ends of removing reel mechanism are the direction respectively and are slided the assembly on first supporting rail and second supporting rail, it includes first spool and gear drive structure to remove reel mechanism, one side and the fixed reel mechanism of roll-up face are connected fixedly, the opposite side is connected fixedly with first spool, the roll-up face is located the top of fixed reel mechanism and removal reel mechanism, gear drive structure is used for driving first spool roll removal, So as to realize the rolling of the rolling seat surface.

2. The seating surface conversion device of claim 1, wherein: the gear transmission structure comprises a gear, a rack and a driving motor, the gear is fixed on a driving shaft of the driving motor, the rack is arranged on the first supporting guide rail and/or the second supporting guide rail in an extending mode, the gear and the rack are in meshed transmission, and the driving shaft of the driving motor is in coaxial transmission connection with the first reel.

3. The seating surface conversion device of claim 2, wherein: the gear transmission structure further comprises a first bearing wheel set, the first bearing wheel set is arranged beside the gear in parallel, and the first bearing wheel set is used for bearing the gravity borne by the first reel.

4. The seating surface conversion device of claim 3, wherein: the first bearing wheel set comprises a roller and a bearing assembled inside the roller.

5. The seating surface conversion device of claim 4, wherein: first reel includes thick pole portion and sets up the thin pole portion at thick pole portion both ends, thin pole portion passes through the shaft coupling and is connected with driving motor's drive shaft transmission, gear fixed assembly is on thin pole portion, the both sides of gear all are provided with first bearing wheelset, and each first bearing wheelset all assembles on thin pole portion, one side and the thick pole portion of roll-up seat face are connected fixedly.

6. The seating surface conversion device of claim 3, wherein: the first support guide rail and the second support guide rail respectively comprise an upper bearing beam and a lower bearing beam which are arranged at an upper interval and a lower interval, the movable reel mechanism further comprises a first guide frame, the first guide frame is assembled on the outer sides of the upper bearing beam and the lower bearing beam in a guide sliding mode, and the gear and the first bearing wheel set are located in the first guide frame.

7. The seating surface conversion device of claim 6, wherein: the rack is arranged on the upper bearing beam in an extending mode, and an avoidance elongated slot for avoiding the gear is arranged on the lower bearing beam.

8. The seating surface conversion device of claim 7, wherein: the first supporting guide rail and the second supporting guide rail further comprise a first vertical plate and a second vertical plate, the first bearing beam and the second bearing beam are clamped and fixed between the first vertical plate and the second vertical plate, a guide structure is further arranged between the first vertical plate and the second vertical plate, the guide structure comprises a guide rod arranged between the first vertical plate and the second vertical plate and a first guide sleeve connected and fixed with the first guide frame, and the first guide sleeve and the guide rod are guided to slide and assembled.

9. The seating surface conversion device of claim 8, wherein: the fixed scroll mechanism comprises a second scroll, a second bearing wheel set and a second guide frame, the second bearing wheel set and the second guide frame are both arranged at the end part of the second scroll, the second guide frame is assembled on the outer peripheral sides of the upper bearing beam and the lower bearing beam, the second bearing wheel set is positioned in the second guide frame, and a baffle plate for blocking the second bearing wheel set is further arranged between the upper bearing beam and the lower bearing beam.

10. A seat surface conversion wheelchair is characterized in that: the seat surface conversion device comprises a seat surface conversion device, and the seat surface conversion device adopts the seat surface conversion device as claimed in any one of claims 1-9.

Technical Field

The invention relates to the technical field of toilet seat surface switching, in particular to a seat surface switching device and a seat surface switching wheelchair.

Background

In daily life, some old person, the disabled, the severe burn patient need walk with the help of the face conversion wheelchair owing to the inconvenience of moving, for these crowds' like the lavatory, it is mostly provided with like the lavatory mouth on the current face conversion wheelchair seat, in order to avoid like the direct condition that exposes outside of lavatory mouth, still be provided with on the face conversion wheelchair seat usually and be used for carrying out the face of sitting that shields like the lavatory mouth, at ordinary times, the face of sitting can shelter from like the lavatory mouth on, and the user then directly sits on the face of sitting, when needs like the lavatory mouth on, with the face of sitting follow can remove. However, the existing seat surface needs a user to lift the hip to move, and for the crowd who cannot move conveniently, the hip is difficult to be supported by the legs, which causes inconvenience to the use of the seat surface conversion wheelchair like a toilet opening, even causes the paralysis of the patient who cannot move conveniently in severe cases, and is not beneficial to the safe use like the toilet opening.

Disclosure of Invention

The invention aims to provide a seat surface conversion device, which is used for solving the technical problem that the seat surface of a seat surface conversion wheelchair in the prior art can be moved only by lifting the hip of a user, so that the safe use of a toilet opening is not facilitated. The invention also provides a seat surface conversion wheelchair using the seat surface conversion device.

In order to achieve the purpose, the invention provides a seat surface conversion device, which adopts the following technical scheme:

the utility model provides a sitting face conversion equipment includes like lavatory panel and sets up the roll-up sitting face like lavatory panel top, still includes first support rail, second support rail, fixed scroll mechanism and removal spool mechanism, first support rail and second support rail set up respectively in the left and right sides like lavatory panel, fixed scroll mechanism sets up in the rear side like lavatory panel, remove spool mechanism and the parallel setting of fixed scroll mechanism, the both ends of removing spool mechanism are the direction respectively and are slided the assembly on first support rail and second support rail, it includes first spool and gear drive structure to remove spool mechanism, one side and the fixed scroll mechanism of roll-up sitting face are connected fixedly, the opposite side is connected fixedly with first spool, the roll-up sitting face is located the top of fixed scroll mechanism and removal spool mechanism, gear drive structure is used for driving first spool roll-up and moves the removal, So as to realize the rolling of the rolling seat surface.

Further, the gear transmission structure comprises a gear, a rack and a driving motor, the gear is fixed on a driving shaft of the driving motor, the rack is arranged on the first supporting guide rail and/or the second supporting guide rail in an extending mode, the gear and the rack are in meshed transmission, and the driving shaft of the driving motor is in coaxial transmission connection with the first reel.

Furthermore, the gear transmission structure further comprises a first bearing wheel set, the first bearing wheel set is arranged beside the gear in parallel, and the first bearing wheel set is used for bearing the gravity borne by the first reel.

Further, the first bearing wheel group comprises a roller and a bearing assembled inside the roller.

Further, first reel includes thick pole portion and sets up the thin pole portion at thick pole portion both ends, thin pole portion passes through the shaft coupling and is connected with driving motor's drive shaft transmission, the gear fixed assembly is on thin pole portion, the both sides of gear all are provided with first bearing wheelset, and each first bearing wheelset all assembles on thin pole portion, one side and the thick pole portion of roll-up seat face are connected fixedly.

Further, first support rail and second support rail all include upper spandrel girder and the spandrel girder of lower interval setting, remove spool mechanism still includes first guide frame, the assembly is slided in the outside of upper spandrel girder and lower spandrel girder in the direction of first guide frame, gear and first bearing wheelset all are located first guide frame.

Furthermore, the rack is arranged on the upper bearing beam in an extending mode, and the lower bearing beam is provided with an avoidance long groove for avoiding the gear.

Furthermore, the first support guide rail and the second support guide rail further comprise a first vertical plate and a second vertical plate, the first bearing beam and the second bearing beam are clamped and fixed between the first vertical plate and the second vertical plate, a guide structure is further arranged between the first vertical plate and the second vertical plate, the guide structure comprises a guide rod arranged between the first vertical plate and the second vertical plate and a first guide sleeve connected and fixed with the first guide frame, and the first guide sleeve and the guide rod are guided to slide and assembled.

Further, the fixed reel mechanism comprises a second reel, a second bearing wheel set and a second guide frame, the second bearing wheel set and the second guide frame are both arranged at the end of the second reel, the second guide frame is assembled on the outer peripheral sides of the upper bearing beam and the lower bearing beam, the second bearing wheel set is located in the second guide frame, and a baffle plate for blocking the second bearing wheel set is further arranged between the upper bearing beam and the lower bearing beam.

The invention also provides a seat surface conversion wheelchair, which adopts the following technical scheme:

a sitting surface conversion wheelchair comprises a sitting surface conversion device, wherein the sitting surface conversion device comprises a toileting panel, a furled sitting surface arranged above the toileting panel, a first supporting guide rail, a second supporting guide rail, a fixed scroll mechanism and a movable scroll mechanism, the first supporting guide rail and the second supporting guide rail are respectively arranged at the left side and the right side of the toileting panel, the fixed scroll mechanism is arranged at the rear side of the toileting panel, the movable scroll mechanism and the fixed scroll mechanism are arranged in parallel, the two ends of the movable scroll mechanism are respectively assembled on the first supporting guide rail and the second supporting guide rail in a guiding and sliding manner, the movable scroll mechanism comprises a first scroll and a gear transmission structure, one side of the furled sitting surface is fixedly connected with the fixed scroll mechanism, the other side of the furled sitting surface is fixedly connected with the first scroll, the furled sitting surface is arranged above the fixed scroll mechanism and the movable scroll mechanism, the gear transmission structure is used for driving the first reel to roll and move so as to realize rolling of the furled seat surface.

Further, the gear transmission structure comprises a gear, a rack and a driving motor, the gear is fixed on a driving shaft of the driving motor, the rack is arranged on the first supporting guide rail and/or the second supporting guide rail in an extending mode, the gear and the rack are in meshed transmission, and the driving shaft of the driving motor is in coaxial transmission connection with the first reel.

Furthermore, the gear transmission structure further comprises a first bearing wheel set, the first bearing wheel set is arranged beside the gear in parallel, and the first bearing wheel set is used for bearing the gravity borne by the first reel.

Further, the first bearing wheel group comprises a roller and a bearing assembled inside the roller.

Further, first reel includes thick pole portion and sets up the thin pole portion at thick pole portion both ends, thin pole portion passes through the shaft coupling and is connected with driving motor's drive shaft transmission, the gear fixed assembly is on thin pole portion, the both sides of gear all are provided with first bearing wheelset, and each first bearing wheelset all assembles on thin pole portion, one side and the thick pole portion of roll-up seat face are connected fixedly.

Further, first support rail and second support rail all include upper spandrel girder and the spandrel girder of lower interval setting, remove spool mechanism still includes first guide frame, the assembly is slided in the outside of upper spandrel girder and lower spandrel girder in the direction of first guide frame, gear and first bearing wheelset all are located first guide frame.

Furthermore, the rack is arranged on the upper bearing beam in an extending mode, and the lower bearing beam is provided with an avoidance long groove for avoiding the gear.

Furthermore, the first support guide rail and the second support guide rail further comprise a first vertical plate and a second vertical plate, the first bearing beam and the second bearing beam are clamped and fixed between the first vertical plate and the second vertical plate, a guide structure is further arranged between the first vertical plate and the second vertical plate, the guide structure comprises a guide rod arranged between the first vertical plate and the second vertical plate and a first guide sleeve connected and fixed with the first guide frame, and the first guide sleeve and the guide rod are guided to slide and assembled.

Further, the fixed reel mechanism comprises a second reel, a second bearing wheel set and a second guide frame, the second bearing wheel set and the second guide frame are both arranged at the end of the second reel, the second guide frame is assembled on the outer peripheral sides of the upper bearing beam and the lower bearing beam, the second bearing wheel set is located in the second guide frame, and a baffle plate for blocking the second bearing wheel set is further arranged between the upper bearing beam and the lower bearing beam.

Compared with the prior art, the seat surface conversion device and the seat surface conversion wheelchair provided by the embodiment of the invention have the beneficial effects that: by adopting the seat surface conversion device and the seat surface conversion wheelchair, when the wheelchair is used at ordinary times, a user sits on the furled seat surface, when the toilet needs to be cleared, the movable reel mechanism is started, the movable reel mechanism can drive the first reel to roll and move, and at the moment, the furled seat surface can be wound and furled on the peripheral side of the first reel, so that the furled seat surface is furled. Because the friction action of the buttocks of the user is not needed to be overcome when the seat surface is furled, the problem that the seat surface can be furled only by lifting the buttocks of the user in the prior art is avoided, convenience is brought to the toilet of the patient with inconvenient movement, and the safety of the toilet use of the seat surface is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of a seat surface conversion device according to an embodiment of the invention;

FIG. 2 is a schematic view of a lavatory panel of the seating surface converting apparatus according to an embodiment of the present invention;

fig. 3 is a schematic overall structure diagram of a first support rail of the seating surface conversion device according to the embodiment of the invention;

FIG. 4 is a schematic view of the overall structure of the fixed reel mechanism of the seat surface switching device according to the embodiment of the present invention;

FIG. 5 is a schematic view of the installation of the fixed reel mechanism of the seat surface switching device according to the embodiment of the present invention;

FIG. 6 is a schematic end view of a movable reel mechanism of the seating surface conversion apparatus according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a first load-bearing wheel set of the seat conversion device according to the embodiment of the invention;

FIG. 8 is a schematic view of the movable reel mechanism of the seat surface switching device according to the embodiment of the present invention;

FIG. 9 is a schematic view of the installation of the fixed reel mechanism and the movable reel mechanism of the seating surface switching device according to the embodiment of the present invention;

fig. 10 is a schematic view of the retracting seat surface of the seat surface switching device according to the embodiment of the present invention.

In the figure, 1-a furling seat surface, 2-a first supporting guide rail, 3-a second supporting guide rail, 4-a fixed reel mechanism, 5-a moving reel mechanism, 6-a toilet panel, 7-a toilet opening, 8-a connecting frame, 9-an upper bearing beam, 10-a lower bearing beam, 11-a rack, 12-an avoidance elongated slot, 13-a first vertical plate, 14-a second vertical plate, 15-a baffle, 16-a guide rod, 17-a second reel, 18-a second guide frame, 19-a second bearing wheel group, 20-a second guide sleeve, 21-a first reel, 22-a first bearing wheel group, 23-a gear, 24-a coupler, 25-a driving motor, 26-a first guide frame, 27-a first guide sleeve and 28-a motor frame, 29-roller, 30-bearing.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 10, a seating surface conversion device according to a preferred embodiment of the present invention. The sitting surface conversion device comprises a toilet panel 6, a furled sitting surface 1 arranged above the toilet panel 6, a first supporting guide rail 2, a second supporting guide rail 3, a fixed scroll mechanism 4 and a movable scroll mechanism 5, wherein the first supporting guide rail 2 and the second supporting guide rail 3 are respectively arranged at the left side and the right side of the toilet panel 6, the fixed scroll mechanism 4 is arranged at the rear side of the toilet panel 6, the movable scroll mechanism 5 and the fixed scroll mechanism 4 are arranged in parallel, two ends of the movable scroll mechanism 5 are respectively assembled on the first supporting guide rail 2 and the second supporting guide rail 3 in a guiding and sliding manner, the movable scroll mechanism 5 comprises a first scroll 21 and a gear transmission structure, one side of the furled sitting surface 1 is fixedly connected with the fixed scroll mechanism 4, the other side of the furled sitting surface is fixedly connected with the first scroll 21, the furled sitting surface 1 is positioned above the fixed scroll mechanism 4 and the movable scroll mechanism 5, the gear transmission structure is used for driving the first reel 21 to roll and move so as to realize the rolling of the rolling seat surface 1.

Specifically, the face conversion equipment includes like lavatory panel 6 among this embodiment, like lavatory panel 6 to be a rectangular plate, like lavatory mouth 7 is provided with like lavatory mouth 7 in the middle part position of lavatory panel 6, like lavatory mouth 7 to be the triangle-like. In this embodiment, both sides are fixed with a link 8 around the lavatory panel 6, and link 8 specifically is a bar connection steel plate. First support rail 2 is fixed in the left side of the panel 6 like the lavatory in this embodiment, and the second support panel is fixed in the right side of the panel 6 like the lavatory, and is concrete, and 8 both ends of two link joints in this embodiment are welded fastening with first support rail 2 and second support rail 3 respectively.

Since the first support rail 2 and the second support rail 3 have the same structure, only the specific structure of the first support rail 2 is described in detail in this embodiment, as shown in fig. 3, the first support rail 2 in this embodiment includes an upper bearing beam 9 and a lower bearing beam 10 that are arranged at an interval from top to bottom, and both the upper bearing beam 9 and the lower bearing beam 10 are in a strip plate shape. The first support rail 2 further comprises a first vertical plate 13 and a second vertical plate 14 which are arranged in parallel at intervals in a front-back direction, and the bottoms of the first vertical plate 13 and the second vertical plate 14 are semicircular. In this embodiment, the lower bearing beam 10 is clamped and fixed between the first vertical plate 13 and the second vertical plate 14, and the upper bearing beam 9 is lapped on the tops of the first vertical plate 13 and the second vertical plate 14. In the embodiment, the upper bearing beam 9 is provided with a rack 11, and the rack 11 extends along the front-back direction; an avoidance elongated slot 12 is formed in the lower bearing beam 10, and the avoidance elongated slot 12 is also arranged to extend in the front-rear direction. Since the movable reel mechanism 5 is to move back and forth along the first support rail 2 and the second support rail 3, in order to enhance the guiding function, a guide bar 16 is further provided between the first upright plate 13 and the second upright plate 14 in the present embodiment, the guide bar 16 is also arranged to extend in the front-rear direction, and the guide bar 16 is located below the favorite bearing beam.

As shown in fig. 4, in the embodiment, the fixed reel mechanism 4 includes a second reel 17, a second bearing wheel set 19, a second guiding frame 18 and a second guiding sleeve 20, in which the second bearing wheel set 19, the second guiding frame 18 and the second guiding sleeve 20 are all two and respectively disposed at two ends of the second reel 17. Specifically, in this embodiment, the second reel 17 includes a thick rod portion and a thin rod portion, the thin rod portion has two portions and is located at two ends of the thick rod portion respectively, in this embodiment, the two second bearing wheel sets 19 are assembled on the corresponding thin rod portions respectively, and the two second guide frames 18 cover the outer sides of the corresponding second bearing wheel sets 19 respectively, it should be noted that, in this embodiment, the second guide frames 18 are quadrangular, and the second guide frames 18 are provided with square guide holes for the upper bearing beam 9 and the lower bearing beam 10 to pass through. In this embodiment, the two second bearing wheel sets 19 are both located between the corresponding upper bearing beam 9 and the corresponding lower bearing beam 10, the second guide frame 18 is further provided with a through hole for the corresponding thin rod part to penetrate through, and the thin rod parts at the two ends of the second reel 17 all penetrate into the corresponding second guide frame 18. In this embodiment, the rear side of the rolling seat surface 1 is fixedly connected with the thick rod part of the second reel 17.

In this embodiment, a second guide sleeve 20 is further disposed at a lower side of each second guide frame 18, and the second guide sleeve 20 is configured to cover an outer circumferential side of the guide rod 16, so as to reinforce the structural strength. It should be noted that, in this embodiment, the second winding shaft 17 includes a central shaft and a shaft sleeve, the shaft sleeve is sleeved on an outer peripheral side of the central shaft, in this embodiment, the central shaft and the shaft sleeve are welded and fixed in a rotation-stopping manner, the shaft sleeve portion constitutes a thick rod portion in this embodiment, and portions of two ends of the central shaft beyond the shaft sleeve constitute thin rod portions in this embodiment.

The second set of load bearing wheels 19 in this embodiment is adapted to contact the lower load bearing beam 10 and thereby act as a support for the ends of the second roller 17. Since the fixed reel mechanism 4 plays a role of pulling the reeling seat surface 1 in the using process, in order to avoid the movement of the fixed reel mechanism 4, in this embodiment, a baffle plate 15 is further disposed between the upper bearing beam 9 and the lower bearing beam 10, the baffle plate 15, the upper bearing beam 9, the lower bearing beam 10, and the second vertical plate 14 form a square frame structure, as shown in fig. 3 in particular, the thin rod portion of the second reel 17 and the second bearing wheel set 19 are limited in the square frame structure, and when the reeling seat surface 1 pulls the second reel 17, the second bearing wheel set 19 is blocked with the baffle plate 15, thereby playing a role of fixing the fixed reel mechanism 4. In this embodiment, the second reel 17 can rotate, and in other embodiments, the second reel 17 may also be directly welded to the first support rail 2 and the second support rail 3, that is, the second reel 17 cannot rotate.

The installation manner of the right end of the fixed reel mechanism 4 and the second support rail 3 in this embodiment is the same as the installation manner of the fixed reel mechanism 4 and the first support rail 2, and detailed description thereof is omitted in this embodiment.

As shown in fig. 6 and 8, in the present embodiment, both ends of the movable reel mechanism 5 are slidably fitted to the first support rail 2 and the second support rail 3, respectively. As shown in fig. 6, in the present embodiment, the movable reel mechanism 5 includes a first reel 21, a first bearing wheel set 22, a gear 23, a coupling 24, a driving motor 25, a first guiding frame 26, a motor frame 28, and a first guiding sleeve 27, in the present embodiment, the first bearing wheel set 22, the gear 23, the coupling 24, the driving motor 25, the first guiding frame 26, the motor frame 28, and the first guiding sleeve 27 are disposed at both ends of the first reel 21, and since the left and right ends of the movable reel mechanism 5 are mounted in the same manner as the first supporting rail 2 and the second supporting rail 3, only one end of the movable reel mechanism 5 is described in detail in the present embodiment.

As shown in fig. 6, in the present embodiment, the first reel 21 also includes a thick rod portion and a thin rod portion, and the structure of the first reel 21 is the same as that of the second reel 17, and detailed description thereof is omitted in this embodiment. In this embodiment, a gear 23 and two first load bearing wheel sets 22 are mounted on the thin rod portion at the left end of the first reel 21, and the two first load bearing wheel sets 22 are respectively located at the left side and the right side of the gear 23. In the present embodiment, the driving shaft of the driving motor 25 is coaxially connected with the first reel 21 through the coupling 24. In the present embodiment, the first guide frame 26 is slidably guided to the outer peripheral sides of the upper and lower bearing beams 9 and 10, and since the structure of the first guide frame 26 is the same as that of the second guide frame 18, detailed description thereof is omitted. Since the moving reel mechanism 5 is guided to move along the first support rail 2 and the second support rail 3, in order to enhance the guiding function, a first guide sleeve 27 is further disposed below the first guide frame 26 in the present embodiment, and the structure of the first guide sleeve 27 is the same as that of the second guide sleeve 20, which is not described in detail in the present embodiment. In order to facilitate the installation and fixation of the driving motor 25, in the present embodiment, a motor frame 28 is further provided on a side surface of the first guide frame 26, the motor frame 28 is in a rectangular parallelepiped frame shape, and a panel is further provided on a bottom surface and a side surface of the motor frame 28.

In the moving reel mechanism 5 of this embodiment, when being assembled, the gear 23 and the two first bearing wheel sets 22 are located in the first guide frame 26, the driving motor 25 and the coupling 24 are located in the motor frame 28, and in this embodiment, the two left and right sides of the first guide frame 26 are provided with through holes for the thin rod portion of the first reel 21 to pass through. The overall structure of the assembled moving reel mechanism 5 is shown in fig. 8. In this embodiment, the first guide frame 26 is guided and slidably assembled on the outer peripheral sides of the upper bearing beam 9 and the lower bearing beam 10, the gear 23 and the two first bearing wheel sets 22 are located between the upper bearing beam 9 and the lower bearing beam 10, in this embodiment, the gears 23 at the two ends of the first reel 21 are respectively engaged with the racks 11 on the corresponding upper bearing beam 9 for transmission assembly, and the bottoms of the gears 23 are transversely inserted into the avoidance long grooves 12 on the lower bearing beam 10, so that the situation that the gear 23 touches the lower bearing beam 10 is avoided. The meshing transmission of the gear 23 and the rack 11 in this embodiment can realize rolling movement of the first reel 21, and can also play a self-locking role for the first reel 21, namely, when the driving shaft of the driving motor 25 does not rotate, the first reel 21 can be kept at a set position through meshing engagement of the gear 23 and the rack 11.

Each of the first loadbearing wheel sets 22 in this embodiment functions to support the end of the first reel 21, and as shown in fig. 7, the first loadbearing wheel set 22 in this embodiment includes a roller 29 and a bearing 30 fitted in the roller 29. In this embodiment, the thin shaft portion of the first reel 21 penetrates into the inner ring of the bearing 30, and the roller 29 is used for contacting with the lower bearing beam 10, thereby performing a supporting function. It should be noted that, in this embodiment, the second load-bearing wheel set 19 may adopt the same structure as the first load-bearing wheel set 22, and the second load-bearing wheel set 19 may also be designed as a whole cylinder, and at this time, the second load-bearing wheel set 19 is directly connected and fixed with the thin rod portion of the second reel 17.

In this embodiment, the front side of the seat surface 1 is fixedly connected to the thick rod of the first reel 21, the rear side of the seat surface is fixedly connected to the thick rod of the second reel 17, and the seat surface 1 is located above the first reel 21 and the second reel 17, so that when the seat surface 1 is rolled up by the movable reel mechanism 5, the first reel 21 is rolled up below the rolling panel, thereby avoiding the interference between the first reel 21 and the hip of the user when the seat surface is rolled up, and facilitating the rolling of the seat surface 1.

In this embodiment, the rolling seat surface 1 includes a bottom seat surface and a top seat surface, wherein the bottom seat surface is formed by weaving high-strength stainless steel wires, the top seat surface is made of breathable cotton cloth, and the bottom seat surface and the top seat surface are fixedly connected by means of adhesion. Due to the structural design, the furling seat surface 1 can have certain supporting strength and can be bent and rolled.

The working process of the invention is as follows: under normal conditions, remove spool mechanism 5 and fixed spool mechanism 4 and be located first support rail 2 and second support rail 3 front and back both ends respectively, as shown in fig. 1 promptly, roll-up sitting face 1 shelters from the top like toilet sitting face this moment, and the user can sit on roll-up sitting face 1. When needs are like the lavatory, start the driving motor 25 at removal reel mechanism 5 both ends, the driving motor 25 at both ends can drive first reel 21 and two gear 23 synchronous rotations, two gear 23 can be along the rolling removal of fore-and-aft direction under the effect that corresponds rack 11, thereby realize the rolling removal drive to first reel 21, and the first reel 21 of rolling removal can be packed up the winding of roll-up seat face 1, when removing reel mechanism 5 and removing to when 4 contacts with fixed reel mechanism, roll-up seat face 1 can be packed up completely, the below like the lavatory seat face of this moment can spill, thereby made things convenient for user like the lavatory.

The embodiment of the seat surface conversion wheelchair of the invention comprises the following steps: the seat surface conversion wheelchair comprises a seat surface conversion device for supporting the buttocks of a user, and the specific structure of the seat surface conversion device is the same as that of the seat surface conversion device, and the detailed description is omitted in the embodiment.

In summary, the embodiment of the present invention provides a seat surface conversion device and a seat surface conversion wheelchair, which are used, when in use at ordinary times, a user sits on a furled seat surface 1, when needing to go to the toilet, the movable winding shaft mechanism 5 is started, the movable winding shaft mechanism 5 drives the first winding shaft 21 to roll, and at this time, the furled seat surface 1 is wound on the outer circumferential side of the first winding shaft 21, so as to realize the furling of the furled seat surface 1. Because the friction action of the buttocks of the user does not need to be overcome when the seat surface 1 is furled, the problem that the seat surface can be furled only by lifting the buttocks of the user in the prior art is avoided, convenience is brought to the toilet of the patient with inconvenient movement, and the safety of the toilet use of the seat surface is improved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.