Chair unit and chair
阅读说明：本技术 一种椅具单元及椅具 (Chair unit and chair ) 是由 何基 叶金 蒋小兵 于 2019-10-13 设计创作，主要内容包括：本发明公开了一种椅具单元及椅具,包括底座,具有动轨与静轨的滑轨组件,静轨与底座固定连接；座支撑件,座支撑件包括中座及侧座,中座被配置为总是保持在大致水平状态或与水平面呈锐角,中座与动轨相对固定；侧座与中座相铰接；动轨相连并随动轨一起上下移动的背支撑件,响应于中座的升降移动的联动机构,并且联动机构作用于侧座使其相对于中座翻转。本发明提供的椅具单元,具有两个状态：平坐状态与站姿状态：且本发明的座椅变换机构可以在两个状态自由转换间,只需靠滑轨组件滑动配合即可实现；相比现有技术来说,结构较为简单,操作较为简便,使用者的体验感较好。本发明的椅具,坐站转换方便迅速,可广泛应用于办公室、家庭等场合。(The invention discloses a chair unit and a chair, comprising a base, a slide rail assembly with a movable rail and a static rail, wherein the static rail is fixedly connected with the base; the seat support comprises a middle seat and a side seat, the middle seat is configured to be always kept in a roughly horizontal state or form an acute angle with the horizontal plane, and the middle seat and the movable rail are relatively fixed; the side seat is hinged with the middle seat; a back support connected to the movable rail and moving up and down together with the movable rail, a link mechanism moving in response to the lifting of the middle seat, and the link mechanism acting on the side seats to turn them relative to the middle seat. The chair unit provided by the invention has two states: the sitting state and the standing state are as follows: the seat changing mechanism can be freely switched between two states and can be realized only by sliding fit of the slide rail assembly; compared with the prior art, the structure is simpler, the operation is simpler and more convenient, and the experience of a user is better. The chair of the invention has convenient and rapid seat-stand conversion, and can be widely applied to occasions such as offices, families and the like.)
1. A chair unit characterized by comprising:
a base configured to connect to a seat support assembly;
the sliding rail assembly is vertically arranged on the base and is provided with a movable rail and a fixed rail which are mutually matched in a sliding way, wherein the fixed rail is fixedly connected with the base;
the seat supporting piece is arranged on the front side of the sliding rail component and comprises a middle seat and side seats positioned on the left side and the right side of the middle seat, the middle seat is configured to be always kept in a roughly horizontal state or form an acute angle with the horizontal plane, and the middle seat and the movable rail are relatively fixed; the side seat is hinged with the middle seat;
a back support connected with the movable rail and moving up and down along with the movable rail;
a linkage mechanism which responds to the lifting movement of the middle seat and acts on the side seats to enable the side seats to turn relative to the middle seat.
2. The chair unit of claim 1, wherein: the linkage mechanism is a sliding groove guide mechanism and comprises a guide shaft connected to the side seat and a guide support plate fixedly arranged behind the side seat, the guide support plate is provided with a sliding groove which is longitudinally arranged, and the guide shaft is inserted in the sliding groove; and the guide shaft and the sliding groove are configured to move along a track defined by the sliding groove when the middle seat is lifted, so that the side seat is turned downwards or upwards.
3. The chair unit of claim 2, wherein: the sliding chute at least comprises an inclined section; when the guide shaft moves in the inclined section, the lever arm rotates around the circle center formed by the connection part of the lever arm and the side seat, and then the side seat is driven to deflect.
4. The chair unit of claim 2, wherein: the sliding groove at least comprises an inclined section, and further comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the middle seat, the other end of the first connecting rod is hinged to one end of the second connecting rod, the other end of the second connecting rod is hinged to the side seat, the first connecting rod, the second connecting rod, the side seat and the middle seat form a four-bar mechanism, and the guide shaft is arranged on any one of the first connecting rod or the second connecting rod.
5. The chair unit according to claim 3 or 4, characterized in that: along the width direction of the guide supporting plate, the inclined section of the sliding chute extends outwards gradually from top to bottom.
6. The chair unit according to claim 3 or 4, characterized in that: the sliding chute further comprises a vertical section, and the vertical section is arranged above the inclined section.
7. The chair unit of claim 2, wherein: the guide support plate is connected to the static rail and is positioned on the left side and the right side of the static rail.
8. The chair unit of claim 7, wherein: the guide support plate and the static rail are integrally formed.
9. The chair unit of claim 1, wherein: the base is supported above the ground through the seat support assembly, and the height of the base from the ground is 360-550 cm.
10. The chair unit of claim 9, wherein: the base include the pedestal and rotate the wane of being connected with the pedestal, quiet rail fixed connection on the wane, be equipped with reset spring between wane and the pedestal.
11. The chair unit according to claim 9 or 10, characterized in that: the seat support supporting component comprises a lifting air rod and supporting legs, and the upper end and the lower end of the lifting air rod are respectively in inserting fit with the base and the supporting legs.
12. The chair unit of claim 10, wherein: a safety locking control mechanism is arranged between the base and the middle seat, and is configured to unlock the rocker when triggered by the middle seat, and the rocker rotates relative to the seat body; when the middle seat rises and is separated from the safety locking control mechanism, the safety locking control mechanism acts on the wane to lock the wane, so that the wane and the seat body are kept relatively fixed.
13. The chair unit of claim 12, wherein: the safety locking control mechanism comprises a locking plate, an installation seat, a sliding pin, a torsion spring and a locking pin, wherein the locking plate is fixedly arranged on the seat body, and a locking hole matched with the locking pin is formed in the locking plate; the mounting seat is fixedly arranged on the warping plate, the sliding pin vertically penetrates through the mounting seat, and the head of the sliding pin is exposed out of the mounting seat and responds to the downward pressing of the middle seat; the center ring of torsional spring rotates with the mount pad to be connected, and the first torque arm of torsional spring is connected in the sliding pin, and the second torque arm of torsional spring is connected in the stop pin, overlaps on the sliding pin and is equipped with the spring, and the spring restriction is in the mount pad, the one end and the first torque arm butt of spring.
14. The chair unit of claim 13, wherein: the locking pin support plate is fixedly arranged on the rocker and penetrates through the locking pin support plate.
15. The chair unit of claim 13, wherein: the bottom surface of the middle seat is connected with a pressing plate which is vertically arranged, and the lower end surface of the pressing plate is provided with a pressing part in contact fit with the head of the sliding pin.
16. The chair unit of claim 1, wherein: the back support piece is arranged on the front side of the sliding rail assembly, and the back support piece and the sliding rail assembly are arranged in parallel or the sliding rail assembly is embedded into the back support piece.
17. The chair unit of claim 16, wherein: the back support piece is arranged on the front side of the sliding rail assembly, a shielding object is further arranged on the back of the back support piece, the shielding object and the back support piece are fixed relatively, the sliding rail assembly is arranged between the shielding object and the back support piece, and the shielding object completely or partially shields the sliding rail assembly.
18. The chair unit of claim 1, wherein: the fixed connection of the static rail and the base refers to that: the lower end of the static rail is connected with the base through a fastener, or the lower end of the static rail is welded and fixed with the base.
19. The chair unit of claim 1, wherein: the movable rail and the static rail are fixed relatively, the locking device comprises a handle with a screw rod, a screw hole and a plurality of positioning holes which are longitudinally arranged, the screw hole is arranged on one of the movable rail or the static rail, the screw rod is arranged in the screw hole in a penetrating mode and is in threaded connection with the screw hole, and the positioning holes are arranged on the other of the movable rail or the static rail.
20. The chair unit of claim 1, wherein: the movable rail and the static rail are kept relatively fixed through the locking device, the locking device comprises a bolt, a support lug and a plurality of positioning holes which are longitudinally arranged, the bolt is arranged on one of the movable rail or the static rail through the support lug and penetrates through a preset inserting hole in the movable rail or the static rail, and the positioning holes are arranged on the other of the movable rail or the static rail.
21. A chair, characterized in that: comprising a chair unit according to any one of claims 1-18 and a drive assembly configured to drive the movable rail to slide along the stationary rail.
22. A chair according to claim 21, wherein: the driving component is any one of an air rod, a hydraulic rod or a motor.
23. A chair according to claim 22, wherein: the driving assembly adopts an air rod or a hydraulic rod, one end of the driving assembly is connected with the back support piece or the movable rail, and the other end of the driving assembly is connected with the base or the static rail.
24. A chair according to claim 22, wherein: the driving assembly adopts a motor, and the motor is a push rod motor or a linear motor.
25. A chair according to claim 21, wherein: the movable rail and the static rail form an accommodating space therebetween, and the driving assembly is arranged in the accommodating space.
Technical Field
The invention relates to the field of seats, in particular to a chair unit and a chair.
Background
The seat is widely used in the study and work of modern people, and only has the function of sitting for most office chairs or study chairs; physiologically, a person standing for a long time is easy to feel tired due to heavy leg load; people who sit for a long time also feel uncomfortable or tired, and various diseases such as hypomnesis, headache and dizziness, lumbar vertebra and cervical vertebra and the like are caused because of insufficient cerebral blood supply, the weight of the whole body is pressed on the bottom end of the vertebra and the like, so that the health is not good. Sedentariness physical disadvantages have been studied and reported in many ways, where a person standing for a long time wants to sit and stand.
Among sedentary people, it seems that office white-collar workers and students who study in schools sit for the longest time, and they sit for work or study almost all the day, and are difficult to adjust their postures, and not only people are easily fatigued, but also their bodies are easily affected. The solution to this problem is preferably to allow the "sitting" and "standing" of the person to be alternated.
Disclosure of Invention
The invention overcomes the defects in the prior art, and provides a chair unit, wherein two side seats of the chair unit realize synchronous transformation, the side seats are turned over up and down along with the movement of a chair seat, the whole chair is more flexible and more beautiful, and a user can adjust the chair according to the needs of the user: or sitting or standing, thereby providing convenience for the alternate transformation of sitting and standing postures; more importantly, the invention can be realized by sliding fit of the sliding rail component between two states of free conversion.
Furthermore, the invention also provides a chair, which is matched with the chair unit for use, simplifies the structure of the working chair for sitting and standing, and can meet the sitting and standing requirements of users.
The technical scheme of the invention is realized as follows:
a chair unit comprising:
a base configured to connect to a seat support assembly;
the sliding rail assembly is vertically arranged on the base and is provided with a movable rail and a fixed rail which are mutually matched in a sliding way, wherein the fixed rail is fixedly connected with the base;
the seat supporting piece is arranged on the front side of the sliding rail component and comprises a middle seat and side seats positioned on the left side and the right side of the middle seat, the middle seat is configured to be always kept in a roughly horizontal state or form an acute angle with the horizontal plane, and the middle seat and the movable rail are relatively fixed; the side seat is hinged with the middle seat;
a back support connected with the movable rail and moving up and down along with the movable rail;
a linkage mechanism which responds to the lifting movement of the middle seat and acts on the side seats to enable the side seats to turn relative to the middle seat.
The invention firstly provides a chair unit which has two states, namely a flat sitting state and a standing state; when the chair is in a flat sitting state, the middle seat and the two side seats are kept in a roughly horizontal state and are basically positioned on the same plane, and the side seats and the middle seat form a complete seat support part, which is used for people to sit and work or have a rest like a common chair; when the sitting posture needs to be converted from the flat sitting posture to the standing posture, the movable rail is driven by external force to move upwards, the middle seat moves upwards along with the movable rail, and the side seats are rotatably connected with the middle seat, so that the side seats are turned downwards relative to the middle seat and are in a drooping posture, and at the moment, the middle seat can be in a posture for a user to ride and ride, namely only the middle seat is in a posture for supporting the buttocks of a human body in the standing posture; the two states can be freely switched only by sliding fit of the sliding rail component; and otherwise, when the standing posture state is converted into the flat sitting state, the external force drives the movable rail to move downwards, the linkage mechanism acts on the side seats in a reverse direction again, and synchronously drives the side seats to turn upwards relative to the middle seat and finally to be positioned on the same surface with the middle seat. Furthermore, the middle seat is positioned between the two side seats, so that different shapes of the middle seat can be favorably configured, and more, the middle seat is in a slender shape favorable for riding, such as a slender trapezoid shape, a saddle shape and the like; the middle seat and the horizontal plane form an acute angle, which means that: the front end of the middle seat can be tilted to form an included angle of 5-15 degrees with the horizontal plane relative to the rear end to form a shape similar to a saddle, so that the requirement of ergonomics is met, and the realization of the form can be realized by adjusting the initial installation angle of the middle seat.
Preferably, the linkage mechanism is a sliding groove guide mechanism, which comprises a guide shaft connected to the side seat and a guide support plate fixedly arranged behind the side seat, the guide support plate is provided with a sliding groove arranged longitudinally, and the guide shaft is inserted in the sliding groove; and the guide shaft and the sliding groove are configured to move along a track defined by the sliding groove when the middle seat is lifted, so that the side seat is turned downwards or upwards. When the sitting posture needs to be converted from the flat sitting posture to the standing posture, the movable rail is driven by external force to move upwards, the middle seat moves upwards along with the movable rail, the side seats are rotationally connected with the middle seat, the guide shafts move along the tracks limited by the sliding grooves, the relative positions or the distances between the guide shafts and the side seats are kept unchanged, the side seats are turned downwards in the moving process of the guide shafts due to the shape design of the sliding grooves, and at the moment, the middle seat can present a posture for a user to ride and ride, namely, only the middle seat presents a posture for supporting the buttocks of the human body in the standing posture; the two states can be freely switched only by sliding fit of the sliding rail component; and conversely, when the standing posture state is converted into the flat sitting state, the movable rail is driven by external force to move downwards, the guide shaft moves downwards along the track limited by the sliding groove and synchronously drives the side seat to turn upwards and finally to be positioned on the same surface with the middle seat. The sliding groove guide mechanism is simple in structure, reduces cost and simplifies the mechanism.
Preferably, the device also comprises a lever arm, one end of the lever arm is fixedly connected with the side seat, the guide shaft is connected to the other end of the lever arm, and the sliding chute at least comprises an inclined section; when the guide shaft moves in the inclined section, the lever arm rotates around the circle center formed by the connection part of the lever arm and the side seat, and then the side seat is driven to deflect. Because the lever arm and the side seat are relatively fixed and form a certain included angle, when the guide shaft is guided by the inclined section of the chute, the lever arm is driven to rotate, and the side seat rotates along with the lever arm.
Preferably, the sliding chute at least comprises an inclined section, and further comprises a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is hinged with the middle seat, the other end of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with the side seat, the first connecting rod, the second connecting rod, the side seat and the middle seat form a four-bar mechanism, and the guide shaft is arranged on any one of the first connecting rod or the second connecting rod. The four-bar linkage mechanism is formed by the first connecting bar, the second connecting bar, the side seats and the middle seat, and the middle seat is immobile, so that when the guide shaft is guided by the sliding chute, the first connecting bar and the second connecting bar are linked to drive the side seats to overturn; the four-bar mechanism enables the inclination angle of the inclined section of the sliding groove to be smaller, and the distance between the left sliding groove and the right sliding groove to be smaller, so that the whole body is more attractive, the width of the guide supporting plate can be reduced, and more space is not additionally occupied.
Preferably, the inclined section of the sliding groove extends outwards gradually from top to bottom along the width direction of the guide support plate. The arrangement of the sliding groove enables the guide shaft to be in accordance with the ascending of the middle seat and the downward overturning of the side seat when guiding; the law of descending of the middle seat and upward turning of the side seats.
Preferably, the chute further comprises a vertical section, and the vertical section is arranged above the inclined section. The vertical section guides the guide shaft, and the side seat does not turn over at the moment but continues to lift along with the middle seat so as to reach the height required by a user and adapt to people with different heights.
Preferably, the guide support plates are connected to the stationary rail, and the guide support plates are located on the left and right sides of the stationary rail. Thus, the left side and the right side can be stressed evenly.
Preferably, the guide support plate and the stationary rail are integrally formed. Thus, the processing and the arrangement are more convenient.
Preferably, the base is supported above the ground by the seat support assembly, and the height of the base from the ground is 360-550 cm. Therefore, the base has a reference height, and a user can normally sit and work in a flat sitting state.
Preferably, the base comprises a base body and a rocker rotatably connected with the base body, the stationary rail is fixedly connected to the rocker, and a return spring is arranged between the rocker and the base body. As another form, the base adopts the tilting chassis, so that the initial height of the base can be normally adjusted, and the base has a tilting function in a flat sitting state, so that the sitting is more comfortable.
Preferably, the seat support assembly comprises a lifting air rod and supporting legs, and the upper end and the lower end of the lifting air rod are respectively in inserting fit with the base and the supporting legs. The height of the base can be adjusted by controlling the lifting air rod, so that the height of the seat supporting piece in a flat sitting state is adjusted to meet the use requirements of people with different heights; furthermore, when the movable rail slides upwards, the middle seat is driven to move upwards, and if the height of the middle seat still does not meet the use requirement at the moment, the lifting air rod can be controlled in an auxiliary manner to adjust the height of the base so as to meet the requirement of supporting the height; if the base adopts a tiltable chassis, the upper end of the lifting air rod is in inserted fit with the base body.
Preferably, a safety locking control mechanism is arranged between the base and the middle seat, and the safety locking control mechanism is configured to unlock the rocker when triggered by the middle seat, and the rocker rotates relative to the seat body; when the middle seat rises and is separated from the safety locking control mechanism, the safety locking control mechanism acts on the wane to lock the wane, so that the wane and the seat body are kept relatively fixed. Therefore, when the chair is in a flat sitting state, the middle seat triggers the safety locking control mechanism all the time, so that the wane is in an unlocked state, and the chair back can freely tilt; when the chair is converted into the standing posture state, the middle seat is separated from the safety locking control mechanism, the safety locking control mechanism acts on the wane again to enable the wane to keep the locked state, and the chair back cannot lean backwards at the moment, so that the use safety is ensured.
Preferably, the safety locking control mechanism comprises a locking plate, an installation seat, a sliding pin, a torsion spring and a locking pin, wherein the locking plate is fixedly arranged on the seat body, and a locking hole matched with the locking pin is formed in the locking plate; the mounting seat is fixedly arranged on the warping plate, the sliding pin vertically penetrates through the mounting seat, and the head of the sliding pin is exposed out of the mounting seat and responds to the downward pressing of the middle seat; the center ring of torsional spring rotates with the mount pad to be connected, and the first torque arm of torsional spring is connected in the sliding pin, and the second torque arm of torsional spring is connected in the stop pin, overlaps on the sliding pin and is equipped with the spring, and the spring restriction is in the mount pad, the one end and the first torque arm butt of spring. When the rocker is in a flat sitting state, namely the head of the sliding pin is pressed by the middle seat, the sliding pin moves towards the mounting seat, the spring is compressed at the same time, the first torque arm is driven to rotate, and the second torque arm also rotates along with the first torque arm, so that the locking pin is driven to move away from the lock hole, and at the moment, the rocker is not limited any more and can rotate; when the middle seat is lifted, the sliding pin is reset under the action of the elastic force of the spring, so that the first torsion arm and the second torsion arm rotate in opposite directions, the locking pin is inserted into the lock hole, and the rocker locking is realized.
Preferably, the rocker comprises a locking pin supporting plate, the locking pin supporting plate is fixedly arranged on the rocker, and the locking pin penetrates through the locking pin supporting plate. Therefore, the locking pin can slide along the locking pin supporting plate, the axial direction of the locking pin supporting plate is accurately positioned, and the left and right deflection cannot occur.
Preferably, the bottom surface of the middle seat is connected with a pressing plate which is vertically arranged, and the lower end surface of the pressing plate is provided with a pressing part in contact fit with the head part of the sliding pin. Therefore, when the middle seat is lowered to a flat sitting state, the pressing part of the pressing plate can quickly press down the sliding pin to trigger the safety locking control mechanism.
Preferably, the back support is disposed at the front side of the slide rail assembly, and the back support and the slide rail assembly are disposed in parallel or the slide rail assembly is embedded in the back support. The sliding rail component is shielded by the back support piece, and the appearance is hardly influenced.
Preferably, the back support member is arranged at the front side of the sliding rail assembly, the back surface of the back support member is further provided with a shielding object, the shielding object and the back support member are relatively fixed, the sliding rail assembly is arranged between the shielding object and the back support member, and the shielding object completely or partially shields the sliding rail assembly. By adopting the mode, especially in a flat sitting state, the sliding rail assembly is almost completely accommodated between the shielding object and the back supporting piece, and the sliding rail assembly and the back supporting piece are integrated into a whole, so that the whole body is more attractive; and in the standing state, the movable rail, the shielding object and the back supporting piece move upwards, and the lower half part of the slide rail part can be shielded.
Preferably, the fixed connection of the stationary rail and the base is as follows: the lower end of the static rail is connected with the base through a fastener, or the lower end of the static rail is welded and fixed with the base. The static rail can be detachably connected with the base and can also be connected into a whole in a welding mode; the static rail and the base can be directly connected, and can also be fixedly connected through an intermediate piece; for example, the two static rails can be symmetrical and are respectively arranged at the left side and the right side of the base, and the lower ends of the static rails are fixedly connected with the base through the middle piece.
Preferably, the movable rail and the static rail are kept relatively fixed by a locking device, the locking device comprises a handle with a screw rod, a screw hole and a plurality of positioning holes which are longitudinally arranged, the screw hole is arranged on one of the movable rail or the static rail, the screw rod is arranged in the screw hole in a penetrating way and is in threaded connection with the screw hole, and the positioning holes are arranged on the other of the movable rail or the static rail. When the movable rail is driven by external force such as manpower to slide upwards along the static rail, the movable rail is converted into a standing state, and at the moment, if the movable rail is lifted to a height suitable for a user, the sliding rail assembly needs to be locked so as to ensure that the middle seat can play a normal supporting role; at this time, the screw rod can be inserted into the corresponding positioning hole by starting the locking device, namely rotating the handle.
Preferably, the movable rail and the static rail are kept relatively fixed by a locking device, the locking device comprises a bolt, a support lug and a plurality of positioning holes which are longitudinally arranged, the bolt is arranged on one of the movable rail or the static rail through the support lug and is arranged in a preset inserting hole in the movable rail or the static rail in a penetrating way, and the positioning holes are arranged on the other of the movable rail or the static rail. As another implementation manner, when the middle seat is raised to a height suitable for a user, the sliding rail assembly needs to be locked, so that the middle seat can play a normal supporting role; at the moment, the locking device is started, namely the bolt is stirred, so that the bolt moves along the support lug and is inserted into the corresponding positioning hole from the inserting hole, and the sliding rail assembly can be locked.
A chair comprises the chair unit and a driving assembly, wherein the driving assembly is configured to drive a movable rail to slide along a static rail.
Preferably, the driving component is any one of an air rod, a hydraulic rod or a motor.
Preferably, the driving assembly adopts an air rod or a hydraulic rod, one end of the driving assembly is connected with the back support member or the movable rail, and the other end of the driving assembly is connected with the base or the static rail.
Preferably, the driving assembly adopts a motor, and the motor is a push rod motor or a linear motor.
Preferably, an accommodating space is formed between the movable rail and the stationary rail, and the driving assembly is arranged in the accommodating space. Therefore, the driving assembly is beneficial to hiding and containing, and the external space is saved.
The design starting point, the idea and the beneficial effects of the invention adopting the technical scheme are as follows:
the present invention provides, first, a chair unit having two states:
(1) a flat sitting state: when the chair is in a flat sitting state, the middle seat and the two side seats are kept in a roughly horizontal state and are basically positioned on the same plane, and the side seats and the middle seat form a complete seat support part, like a common chair, so that people can sit for working or rest.
(2) Standing posture state: when the sitting posture needs to be converted from the flat sitting posture to the standing posture, the movable rail is driven by external force to move upwards, the middle seat moves upwards along with the movable rail, the side seats are rotatably connected with the middle seat, the linkage mechanism enables the side seats to turn downwards and to present a drooping posture, and at the moment, the middle seat can present a posture for a user to ride and ride, namely only the middle seat presents a posture for supporting the buttocks of a human body in the standing posture. The user can lean on the top of the chair seat in a standing state or ride on the top of the chair seat in a crossing manner; from the physiological and health aspects, the health-care tea is more consistent with the physiological health of people.
Secondly, the seat changing mechanism can be freely changed between two states and can be realized only by sliding fit of the slide rail assembly; compared with the prior art, the structure is simpler, the operation is simpler and more convenient, and the experience of a user is better.
Thirdly, the invention further provides a chair which is matched with the chair unit for use, is simple and convenient to operate, is convenient and rapid to change a sitting station, and can be widely applied to occasions such as offices, families, meeting rooms and the like.
Drawings
FIG. 1 is a first perspective view of a chair according to an
FIG. 2 is a schematic perspective view of a chair in a flat-seated position according to
FIG. 3 is a first schematic perspective view of the chair according to
FIG. 4 is a first perspective view of the chair according to the present invention, wherein the guiding axle of the chair is moved to the vertical section of the sliding slot in
FIG. 5 is a rear view of a chair of the invention in a flat-seated state in
FIG. 6 is a rear view showing the guide shaft of the chair of
FIG. 7 is a rear view showing the guide shaft of the chair moved to the vertical section of the slide groove in the
FIG. 8 is a second schematic perspective view of a chair according to
FIG. 9 is a second schematic perspective view showing the movement of the guide shaft of the chair between the vertical section and the inclined section of the slide groove according to
FIG. 10 is a second schematic perspective view of the chair of
FIG. 11 is a side view of a chair of the invention in the flat-seated state in
FIG. 12 is a side view showing an intermediate state of the chair of
FIG. 13 is a side view showing the guide shaft of the chair of
FIG. 14 is a side view showing the guide shaft of the chair moved to the vertical section of the slide groove in the
FIG. 15 is a first perspective view of a chair according to
FIG. 16 is a schematic perspective view showing the structure of a chair according to
FIG. 17 is a schematic top view of a bicycle saddle-shaped seat in accordance with
FIG. 18 is a schematic top view of a saddle-shaped chair according to
FIG. 19 is a schematic top view of a chair of the invention in
FIG. 20 is a second schematic perspective view of a chair according to
FIG. 21 is a schematic perspective view of a chair of
FIG. 22 is a schematic perspective view showing the movement of the guide shaft of the chair between the vertical section and the inclined section of the slide groove according to
FIG. 23 is a schematic perspective view showing the structure of the chair according to the
FIG. 24 is a schematic plan view of the sliding rail assembly of the
FIG. 25 is a schematic plan view showing a push rod motor in accordance with
FIG. 26 is a schematic plan view showing the movable and stationary rails having dovetail shapes according to the present invention in
FIG. 27 is a schematic plan view showing the movable and stationary rails having T-shaped configurations according to
FIG. 28 is a schematic plan view showing the structure of a slider combined with a guide rail according to
fig. 29 is a schematic plan view of the structure in which the slider and the guide rail are respectively disposed on the movable rail and the stationary rail in
FIG. 30 is a partial schematic perspective view of a locking device using handle control according to
FIG. 31 is a first plan view showing a first lock mechanism using a latch control according to
FIG. 32 is a second schematic plan view showing a latch-controlled lock mechanism according to
FIG. 33 is a rear view of a chair of
FIG. 34 is a rear view showing an intermediate state of the chair of
FIG. 35 is a rear view showing the guide shaft of the chair moved between the vertical section and the inclined section of the slide groove in
FIG. 36 is a rear view showing the guide shaft of the chair moved to the vertical section of the slide groove in the
fig. 37 is an exploded perspective view of a
fig. 38 is a schematic perspective view of a
fig. 39 is a cross-sectional view showing the seesaw of the base in the locked state according to
fig. 40 is a cross-sectional view of the base of the present invention in
fig. 41 is a cross-sectional view showing the seesaw of the base in the unlocked state in
fig. 42 is a sectional view showing the seesaw of the base in the locked state according to
The figures are numbered: a seat support assembly 1; a lifting air rod 2; supporting legs 3; a roller 4; a base 5; a slide rail assembly 6; a movable rail 7; a slider 71; a flange 78; a stationary rail 8; a guide rail 81; a seat support 9; a side seat 10; a middle seat 11; a back support 12; a shade 13; a linkage 14; a drive assembly 15; an accommodating space 16; a piston rod head 17 of the air rod; a bottom 18 of the air rod seat; a base body 31; a rocker 32; a screw 33; a handle 34; a screw hole 35; the positioning holes 36; a spring 38; a motor 40; a sliding rail 41; a slide block 42; a motor base 43; a latch 50; a lug 51; a plug-in hole 52; a chute 60; an inclined section 601; a vertical section 602; a guide shaft 61; a guide support plate 62; a lever arm 63; the first link 64; a second link 65; a return spring 68; a lock plate 69; a mounting seat 70; a slide pin 72; a torsion spring 73; a first torsion arm 731; a second torque arm 732; a center ring 733; a locking pin 74; a locking pin support plate 75; a lock hole 76; a press plate 77; the pressing portion 78.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more than one unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiment of the invention is as follows:
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