CN213909330U

CN213909330U - Chair with detachable seat

Info

Publication number: CN213909330U
Application number: CN202022640768.9U
Authority: CN
Inventors: 郝彬; 叶霖; 黄海燕
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-10
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a seat, including base and seat body, be provided with the seat body on the top position of base, four edge symmetry of seat body below are provided with the uide bushing, four the uide bushing inside is provided with the guide bar, four sliding connection, four between guide bar and the uide bushing the guide bar is connected with the base, be provided with the regulating box on the intermediate position of seat body rear, the inside worm wheel that is provided with of regulating box, the worm wheel rotates between through pivot and the regulating box and is connected, be provided with the back on the regulating box, the back rotates between through pivot and the worm wheel and is connected. The seat is provided with the handrails which are adjusted manually and automatically, the seat can be adjusted manually under the condition of no power supply, and the seat is more convenient to use when power is cut off.

Description

Chair with detachable seat

Technical Field

The utility model belongs to the technical field of the medical treatment, concretely relates to seat.

Background

The chair is a common product in people's life from old to present, and people can sit on the chair when working and entertaining.

In patent CN201921294549.0, a seat, comprising: a seat support for supporting a seated user; the armrest part is fixedly arranged at the side part of the seat supporting part and is provided with an armrest supporting part for supporting the arm of a human body and an armrest bracket for connecting the armrest supporting part with the seat supporting part; the back support is fixedly connected with the armrest part and is a part higher than the armrest support part; the back support piece is only fixedly connected with the back bracket; the utility model discloses independent back of the body support has been set up, just back of the body support exceed handrail support piece, consequently changed back of the body support piece's hookup location, shift up in other words making back of the body support piece's hookup location to can reduce the atress of back of the body support piece lower part to a certain extent, more that will just sit the person and exert the leaning force transmit for handrail portion by back of the body support, undertake more leaning force by handrail portion, can do benefit to the design that back of the body support piece is frivolous like this. The following problems still remain:

the existing seat is electrically controlled for improving automation of a backrest, a foot pad and an armrest, but cannot be used when power is off, so that the seat is inconvenient to use when power is off.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seat to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a seat, includes base and seat body, be provided with the seat body on the top position of base, four edges and corners symmetry of seat body below are provided with the uide bushing, four the uide bushing inside is provided with the guide bar, four sliding connection between guide bar and the uide bushing, four the guide bar is connected with the base, be provided with the regulating box on the intermediate position of seat body rear, the inside worm wheel that is provided with of regulating box, the worm wheel rotates between through pivot and the regulating box to be connected, be provided with the back on the regulating box, the back rotates between through pivot and the worm wheel to be connected.

Preferably, a worm is arranged in the adjusting box below the worm wheel, the worm is rotatably connected with the adjusting box, the worm is meshed with the worm wheel, and the worm is connected with a hand wheel behind the adjusting box.

Preferably, be provided with the cushion on the top position of seat body, the spout has been seted up to the symmetry on the both sides position in the middle of the cushion, install on the seat body of cushion below and adjust the seat, be provided with two-way threaded rod on adjusting the inside intermediate position of seat, two-way threaded rod with adjust and rotate between the seat and be connected, it is provided with the transmission seat, two to adjust the symmetry on the seat top position sliding connection between transmission seat and the regulation seat.

Preferably, all be provided with the regulation pole on the top position of two transmission seats, two the setting position of adjusting the pole is with two the setting position of spout is corresponding, two the upper end of adjusting the pole is provided with the nut cover, the nut cover rotates between with the regulation pole to be connected, adjust the inside threaded rod that is provided with of pole, the lower extreme and the stopper of adjusting the pole inside of threaded rod are connected, the internal thread of nut cover is connected with the threaded rod between the meshing, the upper end and the mounting panel of threaded rod are connected, install the handrail on the mounting panel.

Preferably, an adjusting motor is installed below the adjusting seat, a driving wheel is installed on an output shaft of the adjusting motor, a driving wheel is installed in the middle of the bidirectional threaded rod, and the driving wheel on the adjusting motor is rotatably connected with the driving wheel on the bidirectional threaded rod through a driving belt.

Preferably, a protection box is installed at the left side position of the base, an adjusting electric cylinder is installed at the middle position inside the protection box, and a piston rod of the adjusting electric cylinder is connected with a pedal at the position above the protection box.

Preferably, a lifting electric cylinder is installed in the middle of the upper portion of the base, a piston rod of the lifting electric cylinder is connected with the lower surface of the seat body, and a wire is installed at the position below the right side of the seat body.

The utility model discloses a technological effect and advantage: the seat is provided with the handrails which are adjusted manually and automatically, the seat can be adjusted manually under the condition of no power supply, and the seat is more convenient to use when power is cut off.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a side cross-sectional view of the adjustment block of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure A in FIG. 2 according to the present invention;

figure 5 is a top view of the seat cushion of figure 2 according to the present invention;

fig. 6 is a front cross-sectional view of the adjustment lever of fig. 1 according to the present invention.

In the figure: 1. a handrail; 2. adjusting a rod; 3. a backrest; 4. an adjusting box; 5. a protective box; 6. a base; 7. a lifting electric cylinder; 8. a wire; 9. a guide sleeve; 10. a seat body; 11. a pedal; 12. a guide bar; 13. an adjusting seat; 14. adjusting the motor; 15. adjusting an electric cylinder; 16. a cushion; 17. a transmission seat; 18. A bidirectional threaded rod; 19. a worm gear; 20. a worm; 21. a hand wheel; 22. a chute; 23. mounting a plate; 24. A threaded rod; 25. a nut sleeve; 26. and a limiting block.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The utility model provides a seat as shown in fig. 1-6, including base 6 and seat body 10, be provided with seat body 10 on base 6's the top position, four edge symmetry of seat body 10 below are provided with uide bushing 9, the inside guide bar 12 that is provided with of four uide bushings 9, sliding connection between four guide bar 12 and the uide bushing 9, four guide bar 12 are connected with base 6, be provided with adjusting box 4 on the intermediate position at seat body 10 rear, the inside worm wheel 19 that is provided with of adjusting box 4, worm wheel 19 rotates through pivot and adjusting box 4 between be connected, be provided with back 3 on the adjusting box 4, back 3 rotates between through pivot and worm wheel 19 and is connected.

Specifically, a worm 20 is arranged in the adjusting box 4 below the worm wheel 19, the worm 20 is rotatably connected with the adjusting box 4, the worm 20 is meshed with the worm wheel 19, and the worm 20 is connected with a hand wheel 21 behind the adjusting box 4.

Specifically, be provided with cushion 16 on the top position of seat body 10, spout 22 has been seted up to the symmetry on the both sides position in the middle of cushion 16, installs on the seat body 10 of cushion 16 below and adjusts seat 13, is provided with two-way threaded rod 18 on adjusting the inside intermediate position of seat 13, and two-way threaded rod 18 rotates between with adjusting the seat 13 to be connected, adjusts and is provided with transmission seat 17 on the seat 13 top position symmetry, two transmission seats 17 and adjust sliding connection between the seat 13.

Specifically, all be provided with on the top position of two transmission seats 17 and adjust pole 2, two are adjusted the position that sets up of pole 2 and are corresponded with two spout 22's the position that sets up, two upper ends of adjusting pole 2 are provided with nut cover 25, nut cover 25 with adjust and rotate between the pole 2 and be connected, adjust the inside threaded rod 24 that is provided with of pole 2, the lower extreme of threaded rod 24 is connected with the stopper 26 of adjusting the inside of pole 2, the internal thread of nut cover 25 is connected with the threaded rod 24 between the meshing, the upper end and the mounting panel 23 of threaded rod 24 are connected, install handrail 1 on the mounting panel 23.

Specifically, an adjusting motor 14 is installed below the adjusting seat 13, a driving wheel is installed on an output shaft of the adjusting motor 14, a driving wheel is installed in the middle of the bidirectional threaded rod 18, and the driving wheel on the adjusting motor 14 is rotatably connected with the driving wheel on the bidirectional threaded rod 18 through a driving belt.

Specifically, install protection box 5 on the left side position of base 6, install on the intermediate position of protection box 5 inside and adjust electric jar 15, adjust the footboard 11 that the piston rod of electric jar 15 and protection box 5 top position were connected.

Specifically, a lifting electric cylinder 7 is installed at a middle position above the base 6, a piston rod of the lifting electric cylinder 7 is connected with the lower surface of the seat body 10, and a wire 8 is installed at a position below the right side of the seat body 10.

When the seat is used, a lead 8 of the device is connected with an external power supply, the height of a seat body 10 is adjusted according to the height of a user, at the moment, a lifting electric cylinder 7 drives the seat body 10 to move up and down, so that the height of the seat body 10 can be adjusted, when the seat back 3 needs to be adjusted, a hand wheel 21 is rotated, the hand wheel 21 drives a worm 20 to rotate, the worm 20 drives a worm wheel 19 to rotate, the worm wheel 19 simultaneously drives the back 3 to rotate, at the moment, the angle of the back 3 can be adjusted, similarly, when the pedal 11 needs to be adjusted, an adjusting electric cylinder 15 drives the pedal 11 to move up, so that the height of the pedal 11 can be adjusted, at the moment, the support for the feet of the user is convenient, when the height of the armrest 1 needs to be adjusted, at the moment, a nut 25 can be rotated manually or in a motor-driven mode, when the nut sleeve 25 rotates, the internal thread of the nut sleeve 25 is meshed with the threaded rod 24, so as to drive the threaded rod 24 to move upwards, the limiting block 26 slides in the adjusting rod 2, the threaded rod 24 moves upwards while driving the handrail 1 to move upwards, thereby facilitating the support of the hand of a user, according to the difference of the weight and the thinness of the user, the distance between the adjusting rods 2 can be adjusted at the moment, the motor is matched with the driving wheel to drive the two-way threaded rod 18 to rotate, the driving seat 17 is matched with the driving nut to move towards or away from each other while the two-way threaded rod 18 rotates, so that the distance between the two handrails 1 can be adjusted, when the handrail 1, the cushion 16 and the backrest 3 are all made of memory cotton materials, the texture is soft and comfortable, the fitness with the body of the user is particularly high, and when the handrail is used, the adjusting box 4, the protection box 5, the adjusting seat 13 and the guide sleeve 9 are matched, the adjustability of the device is increased, the device can be adjusted according to the self condition of a user, the application range of the device is increased, the comfort level of the device is increased, the body position of the user can be guaranteed to be in the safe body position, the use safety of the device is increased, and meanwhile, the automation level of the device is improved.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A seat comprising a base (6) and a seat body (10), characterized in that: be provided with seat body (10) on the top position of base (6), four edges and corners symmetry of seat body (10) below is provided with uide bushing (9), four uide bushing (9) inside is provided with guide bar (12), four sliding connection, four between guide bar (12) and uide bushing (9) guide bar (12) are connected with base (6), be provided with regulating box (4) on the intermediate position at seat body (10) rear, inside worm wheel (19) of being provided with of regulating box (4), worm wheel (19) rotate between through pivot and regulating box (4) and are connected, be provided with back (3) on regulating box (4), rotate between back (3) through pivot and worm wheel (19) and be connected.

2. A seat as claimed in claim 1, wherein: be provided with worm (20) in regulation case (4) of worm wheel (19) below, rotate between worm (20) and the regulation case (4) and be connected, meshing connection between worm (20) and worm wheel (19), worm (20) are connected with hand wheel (21) at regulation case (4) rear.

3. A seat as claimed in claim 1, wherein: be provided with cushion (16) on the top position of seat body (10), spout (22) have been seted up to the symmetry on the both sides position in the middle of cushion (16), install on seat body (10) of cushion (16) below and adjust seat (13), be provided with two-way threaded rod (18) on adjusting the inside intermediate position of seat (13), rotate between two-way threaded rod (18) and the regulation seat (13) and be connected, it is provided with transmission seat (17), two to adjust the symmetry on seat (13) top position transmission seat (17) and adjust sliding connection between seat (13).

4. A seat according to claim 3, wherein: all be provided with on the top position of two transmission seats (17) and adjust pole (2), two adjust setting up position and two of pole (2) the setting position of spout (22) is corresponding, two the upper end of adjusting pole (2) is provided with nut cover (25), nut cover (25) and adjust and rotate between pole (2) and be connected, it is provided with threaded rod (24) to adjust pole (2) inside, the lower extreme of threaded rod (24) is connected with stopper (26) of adjusting pole (2) inside, the internal thread of nut cover (25) is connected with meshing between threaded rod (24), the upper end and the mounting panel (23) of threaded rod (24) are connected, install handrail (1) on mounting panel (23).

5. A seat according to claim 3, wherein: an adjusting motor (14) is installed at the position below the adjusting seat (13), a driving wheel is installed on an output shaft of the adjusting motor (14), a driving wheel is installed at the middle position of the bidirectional threaded rod (18), and the driving wheel on the adjusting motor (14) is rotatably connected with the driving wheel on the bidirectional threaded rod (18) through a driving belt.

6. A seat as claimed in claim 1, wherein: install protection box (5) on the left side position of base (6), install on the inside intermediate position of protection box (5) and adjust electric jar (15), the piston rod of adjusting electric jar (15) is connected with footboard (11) on protection box (5) top position.

7. A seat as claimed in claim 1, wherein: install lift electric cylinder (7) on the intermediate position of base (6) top, the piston rod of lift electric cylinder (7) is connected with the lower surface of seat body (10), install wire (8) on the right side below position of seat body (10).