CN213216104U

CN213216104U - Lifting chair

Info

Publication number: CN213216104U
Application number: CN202022538142.7U
Authority: CN
Inventors: 程鸿飞; 程宇翔
Original assignee: Jiangxi Hongsheng Furniture Co ltd
Current assignee: Jiangxi Hongsheng Furniture Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-05-18
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a lift chair relates to chair technical field, specifically is lift chair, the on-line screen storage device comprises a base, the top fixed mounting of base has the stand, the dovetail groove has been seted up to one side of stand, the inside fixed mounting in dovetail groove has the rack, the opposite side sliding connection in dovetail groove has the elevator, one side fixed mounting of elevator has small-size servo motor. This lift chair, setting through hydraulic stem and small-size servo motor, make this lift chair possess and reached the effect that universal wheel 9 can receive and release on the basis of going up and down, cooperation setting through base and branch, available undersize type servo motor drives the gear rotation when the needs remove in the in-process of using, because rack fixed connection is at the dovetail groove of stand, and be connected for the meshing with the gear, and then can realize that the gear downstream drives elevator and lifter plate downstream under the effect of rack, thereby the effect that the practicality is high has been played, multiple functions have been reached, the purpose of using in a flexible way.

Description

Lifting chair

Technical Field

The utility model relates to a chair technical field specifically is lift chair.

Background

The prior art chairs are mostly fixed in structure, and partially adjustable chairs only have height adjustment, and the adjustment mode is usually completed by directly mounting a steam spring on a central foot of the chair, so that the center of gravity is easy to be unstable, and the inclination angle of a seat plate is not adjusted. According to human body physiological hygiene, when a user uses the chair, the height of the user is matched with the height of the chair and the inclination angle of the seat plate reasonably; meanwhile, when a user uses the chair, the user does not need to only adopt a sitting posture and also can adopt a standing posture, so the chair also can provide a standing use function, the chair can be used for sitting and standing, the user can feel more random and comfortable when getting up, the learning and working efficiency is improved, the fatigue is reduced, and the chair is beneficial to health. If a person uses a chair which is not suitable for the height of the person for a long time or only can adopt a sitting posture for a long time, the disease of the back vertebra and the visual deterioration can be caused, and the physical health is damaged.

The lifting chair disclosed in the chinese utility model patent application publication CN209644399U, though, this lifting chair has realized the mode that the cable connects slider and valve lever, has strengthened spacing to the cable, guarantees that the cable does not dislocate in the atress process, but, this lifting chair, the existence can not be in the same place with the perfect combination of non-removal, degree of automation is low, use travelling comfort is poor, and the practicality is lower shortcoming.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a lift chair has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: lifting chair, the on-line screen storage device comprises a base, the top fixed mounting of base has the stand, the dovetail groove has been seted up to one side of stand, the inside fixed mounting in dovetail groove has the rack, the opposite side sliding connection in dovetail groove has the elevator, one side fixed mounting of elevator has small-size servo motor, small-size servo motor's output fixed mounting has the gear, gear and rack are connected for the meshing, the bottom fixed mounting of elevator has the lifter plate, the bottom of lifter plate is rotated and is connected with branch, the one end fixed mounting of branch has the universal wheel, there is the connecting rod one side of branch through pin sliding connection, the other end of connecting rod passes through one side of pin sliding connection at the stand.

Optionally, the quantity of rack, small-size servo motor and gear is two, and the symmetric distribution is in the both sides of stand, the quantity of branch, universal wheel and connecting rod is four, evenly distributed at the surface of stand.

Optionally, a strip-shaped groove is formed in the base, the width of the strip-shaped groove is equal to that of the support rod, a circular guide groove is formed in one side, close to the strip-shaped groove, of the base, the number of the strip-shaped groove and the number of the circular guide grooves are four, and the strip-shaped groove and the circular guide grooves are evenly distributed in the base.

Optionally, a hydraulic rod is fixedly mounted at the top of the upright column, a supporting block is fixedly mounted at the extending end of the hydraulic rod, a connecting ball is fixedly mounted at the top of the supporting block, and the top of the connecting ball is slidably connected with a seat plate through a connecting block.

Optionally, one side of supporting shoe is rotated and is connected with the push rod, the sleeve has been cup jointed to the one end of push rod, one side of push rod has damping spring through solid fixed ring butt, damping spring's the other end is through solid fixed ring butt in telescopic one end, telescopic other end is through articulated seat fixed connection in the bottom of seat.

Optionally, the number of the push rods, the number of the sleeves, the number of the damping springs and the number of the hinged seats are four, the push rods, the sleeves, the damping springs and the hinged seats are evenly distributed at the bottom of the seat plate, and a backrest is fixedly installed at the top of the seat plate.

(III) advantageous effects

The utility model provides a lifting chair possesses following beneficial effect:

1. the lifting chair has the advantages that the hydraulic rod and the small servo motor are arranged, so that the lifting chair can achieve the effect that universal wheels can be retracted and extended on the basis of lifting, the small servo motor can be used for driving the gears to rotate when the lifting chair needs to move in the use process through the matching arrangement of the base and the supporting rod, the rack is fixedly connected in the trapezoidal groove of the upright post and is in meshing connection with the gears, the gears can move downwards under the action of the rack to drive the lifting block and the lifting plate to move downwards, the supporting rod is further driven to support the universal wheels to expand the universal wheels around under the action of the circular guide groove, the four universal wheels are used for supporting the whole chair to move when the lifting chair reaches the required movement, the universal wheels are retracted to play a supporting role through the base when the movement is not required, and the effects of free retraction and high practicability are achieved, the purposes of multifunction and flexible use are achieved.

2. This lift chair, through damping spring and the setting of connecting the ball, make this lift chair possess and increased and use the travelling comfort, the effectual effect of shock attenuation, cooperation setting through supporting shoe and connecting block, the in-process that uses can go up and down through this lift chair of hydraulic stem control, rethread damping spring plays absorbing effect under push rod and telescopic cooperation, owing to be provided with the connecting ball, can realize the regulation of arbitrary angle, travelling comfort and flexibility when increasing the use, thereby simple structure has been played, the effectual effect of shock attenuation, wide application range has been reached, the convenient purpose of use.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural view of the half-section of the present invention;

fig. 4 is a schematic structural view of the hinge seat of the present invention.

In the figure: 1. a base; 2. a trapezoidal groove; 3. a rack; 4. a lifting block; 5. a small servo motor; 6. a gear; 7. a lifting plate; 8. a strut; 9. a universal wheel; 10. a pin; 11. a connecting rod; 12. a strip-shaped groove; 13. a circular guide groove; 14. a column; 15. a hydraulic lever; 16. a support block; 17. a seat plate; 18. a push rod; 19. a sleeve; 20. a fixing ring; 21. a damping spring; 22. a hinged seat; 23. a connecting ball; 24. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a lifting chair comprises a base 1, wherein a stand column 14 is fixedly installed at the top of the base 1, a strip-shaped groove 12 is formed in the base 1, the width of the strip-shaped groove 12 is equal to that of a supporting rod 8, a circular guide groove 13 is formed in one side, close to the strip-shaped groove 12, of the base 1, the number of the strip-shaped groove 12 and the number of the circular guide grooves 13 are four, the strip-shaped grooves are uniformly distributed in the base 1, a trapezoidal groove 2 is formed in one side of the stand column 14, a rack 3 is fixedly installed in the trapezoidal groove 2, the number of the rack 3, the number of a small servo motor 5 and the number of gears 6 are two, the small servo motors are symmetrically distributed on two sides of the stand column 14, the number of the supporting rod 8, the number of a universal wheel 9 and the number of connecting rods 11 are four, the small servo motors are uniformly distributed on the outer surface of the stand, the gear 6 is meshed with the rack 3, the lifting plate 7 is fixedly arranged at the bottom of the lifting block 4, the bottom of the lifting plate 7 is rotatably connected with a supporting rod 8, one end of the supporting rod 8 is fixedly provided with a universal wheel 9, one side of the supporting rod 8 is slidably connected with a connecting rod 11 through a pin 10, the other end of the connecting rod 11 is slidably connected with one side of the upright post 14 through a pin 10, the top of the upright post 14 is fixedly provided with a hydraulic rod 15, the extending end of the hydraulic rod 15 is fixedly provided with a supporting block 16, the top of the supporting block 16 is fixedly provided with a connecting ball 23, the top of the connecting ball 23 is slidably connected with a seat plate 17 through a connecting block 24, one side of the supporting block 16 is rotatably connected with a push rod 18, one end of the push rod 18 is sleeved with a sleeve 19, one side of the push rod 18 is abutted with a damping spring 21 through a fixing ring 20, the other, the push rod 18, the sleeve 19, the damping spring 21 and the hinged seat 22 are four in number and are uniformly distributed at the bottom of the seat plate 17, the backrest is fixedly arranged at the top of the seat plate 17, the lifting chair has the effect that the universal wheels 9 can be folded and unfolded on the basis of lifting through the arrangement of the hydraulic rod 15 and the small servo motor 5, the gear 6 can be driven to rotate by the small servo motor 5 when the lifting chair needs to be moved in the use process through the matching arrangement of the base 1 and the supporting rod 8, the gear 6 is driven to move downwards under the action of the rack 3 to drive the lifting block 4 and the lifting plate 7 to move downwards due to the fact that the rack 3 is fixedly connected in the trapezoidal groove 2 of the upright post 14 and is in meshed connection with the gear 6, the universal wheels 9 are extended out to move when the lifting chair is lifted and moved to the requirement through the four universal wheels 9, it plays the supporting role through base 1 to withdraw universal wheel 9 when not needing to remove, thereby played receive and release freely, the effect that the practicality is high, reached multi-functionally, use nimble purpose, setting through damping spring 21 and connection ball 23, make this lift chair possess and increase the use travelling comfort, the effectual effect of shock attenuation, cooperation setting through supporting shoe 16 and connecting block 24, in-process using can be through the lift of this lift chair of hydraulic stem 15 control, rethread damping spring 21 plays absorbing effect under the cooperation of push rod 18 and sleeve 19, owing to be provided with connection ball 23, can realize the regulation of arbitrary angle, travelling comfort and flexibility when increasing the use, thereby simple structure has been played, the effectual effect of shock attenuation, wide application range has been reached, the convenient purpose of use.

When in use, firstly, the lifting chair is provided with the small servo motor 5, when in use, the gear 6 can be driven to rotate by the small servo motor 5 when in need of moving, the rack 3 is fixedly connected in the trapezoidal groove 2 of the upright post 14 and is meshed with the gear 6, so that the gear 6 can move downwards under the action of the rack 3 to drive the lifting block 4 and the lifting plate 7 to move downwards, the supporting rod 8 is driven to support the universal wheel 9 to expand the universal wheel 9 around under the action of the circular guide groove 13, the four universal wheels 9 are used for supporting the whole chair to lift, and the universal wheel 9 is extended out to move when the chair needs to move, the universal wheel 9 is retracted to play a supporting role through the base 1 when the chair does not need to move, so that the functions of free retraction and high practicability are achieved, then, the lifting chair can be controlled to lift by the hydraulic rod 15 in use through the matching arrangement of the supporting block 16 and the connecting block 24, and the damping spring 21 plays a role in damping under the matching of the push rod 18 and the sleeve 19, and the connecting ball 23 is arranged, so that the adjustment of any angle can be realized, and the comfort and the flexibility in use are improved.

In summary, the following steps: the lifting chair has the advantages that the hydraulic rod 15 and the small servo motor 5 are arranged, so that the lifting chair has the effect that the universal wheels 9 can be retracted and extended on the basis of lifting, the base 1 and the support rod 8 are matched, the small servo motor 5 can be used for driving the gear 6 to rotate when the lifting chair needs to be moved in the use process, the rack 3 is fixedly connected in the trapezoidal groove 2 of the upright post 14 and is meshed with the gear 6, the gear 6 can move downwards under the action of the rack 3 to drive the lifting block 4 and the lifting plate 7 to move downwards, the support rod 8 is driven to support the universal wheels 9, the universal wheels 9 are unfolded around under the action of the circular guide groove 13, the four universal wheels 9 are used for supporting the whole chair to be lifted to the required movement, the universal wheels 9 are extended to move, and the universal wheels 9 are retracted to play a supporting role through the base 1 when the movement is not required, thereby playing the functions of free retraction and high practicability and achieving the purposes of multifunction and flexible use. Through damping spring 21 and the setting of connecting ball 23, make this lift chair possess and increased the use travelling comfort, the effectual effect of shock attenuation, cooperation setting through supporting shoe 16 and connecting block 24, the in-process of using can be through the lift chair lift of 15 control of hydraulic stem, rethread damping spring 21 plays absorbing effect under the cooperation of push rod 18 and sleeve 19, owing to be provided with connecting ball 23, can realize the regulation of arbitrary angle, travelling comfort and flexibility when increasing the use, thereby simple structure has been played, the effectual effect of shock attenuation, wide application range has been reached, the convenient purpose of use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Lift chair, including base (1), its characterized in that: the top of the base (1) is fixedly provided with an upright post (14), one side of the upright post (14) is provided with a trapezoidal groove (2), a rack (3) is fixedly arranged inside the trapezoidal groove (2), the other side of the trapezoidal groove (2) is connected with a lifting block (4) in a sliding way, a small servo motor (5) is fixedly arranged on one side of the lifting block (4), the output end of the small servo motor (5) is fixedly provided with a gear (6), the gear (6) is meshed with the rack (3), the bottom of the lifting block (4) is fixedly provided with a lifting plate (7), the bottom of the lifting plate (7) is rotatably connected with a supporting rod (8), one end of the supporting rod (8) is fixedly provided with a universal wheel (9), one side of the supporting rod (8) is connected with a connecting rod (11) in a sliding way through a pin (10), the other end of the connecting rod (11) is connected to one side of the upright post (14) in a sliding mode through a pin (10).

2. The lift chair of claim 1, wherein: the quantity of rack (3), small-size servo motor (5) and gear (6) is two, and the symmetric distribution is in the both sides of stand (14), the quantity of branch (8), universal wheel (9) and connecting rod (11) is four, evenly distributed is at the surface of stand (14).

3. The lift chair of claim 1, wherein: a strip-shaped groove (12) is formed in the base (1), the width of the strip-shaped groove (12) is equal to that of the support rod (8), a circular guide groove (13) is formed in one side, close to the strip-shaped groove (12), of the base (1), the number of the strip-shaped groove (12) and the number of the circular guide groove (13) are four, and the strip-shaped groove and the circular guide groove are evenly distributed in the base (1).

4. The lift chair of claim 1, wherein: the hydraulic support is characterized in that a hydraulic rod (15) is fixedly mounted at the top of the upright column (14), a supporting block (16) is fixedly mounted at the extending end of the hydraulic rod (15), a connecting ball (23) is fixedly mounted at the top of the supporting block (16), and the top of the connecting ball (23) is slidably connected with a seat plate (17) through a connecting block (24).

5. The lift chair of claim 4, wherein: one side of supporting shoe (16) is rotated and is connected with push rod (18), sleeve (19) have been cup jointed to the one end of push rod (18), there is damping spring (21) one side of push rod (18) through solid fixed ring (20) butt, damping spring (21) the other end is through solid fixed ring (20) butt in the one end of sleeve (19), the other end of sleeve (19) is through articulated seat (22) fixed connection in the bottom of seat (17).

6. The lift chair of claim 5, wherein: the seat is characterized in that the number of the push rods (18), the number of the sleeves (19), the number of the damping springs (21) and the number of the hinged seats (22) are four, the push rods, the sleeves, the damping springs and the hinged seats are evenly distributed at the bottom of the seat plate (17), and a backrest is fixedly installed at the top of the seat plate (17).