CN220423523U - Gravity sensing functional castor suitable for aging seat - Google Patents

Abstract

The utility model provides a gravity sensing functional castor suitable for an aging seat, which relates to the technical field of casters and comprises: the seat, the bottom fixedly connected with telescopic link of seat, be equipped with on the telescopic link and remove sucking disc mechanism, the inner wall fixedly connected with spring of telescopic link, the bottom fixedly connected with backup pad of telescopic link, the bottom fixedly connected with cross rod of backup pad, the cross recess has been seted up to one side of cross rod. According to the utility model, when the old people need to push the seat, only manual translation pushing is needed, when the old people sit down the seat, the telescopic rod shortens the length and can drive the air pressure cylinder to move downwards, so that the sucker is adsorbed on the ground, meanwhile, the cross rod can slowly move downwards, the inner wall of the cross groove can be tightly attached to one side of the truckle, the friction force is increased, the truckle can be prevented from freely rotating, and when the old people lift up, the telescopic rod can automatically side length without manual adjustment, so that the functionality of the old people suitable for the aged seat is improved.

Description

Gravity sensing functional castor suitable for aging seat

Technical Field

The utility model relates to the technical field of casters, in particular to a gravity sensing functional caster suitable for an aging seat.

Background

At present, most of aging-suitable seats on the market do not fully reflect the aging-suitable property, for example, most of old people can not move the seats due to the fact that arms are not always in the middle of the old, and the functions of the seats with the conventional chair casters are single, so that the functions of the aging-suitable seats are not high, and therefore gravity sensing functional casters of the aging-suitable seats need to be provided.

Disclosure of Invention

In order to achieve the above purpose, the present utility model adopts the following technical scheme: gravity sensing functional caster suitable for an aging seat, comprising: the seat, the bottom fixedly connected with telescopic link of seat, be equipped with on the telescopic link and remove sucking disc mechanism, the inner wall fixedly connected with spring of telescopic link, the bottom fixedly connected with backup pad of telescopic link, the bottom fixedly connected with cross rod of backup pad, the cross groove has been seted up to one side of cross rod, the inner wall sliding connection of cross groove has the truckle, one side of truckle runs through fixedly there is the optical axis.

As a preferred implementation mode, eight square grooves are formed in one side of the cross rod, two small springs are fixedly connected to the inner walls of the eight square grooves, and one ends of the two small springs are fixedly connected to one end of the optical axis through bearings.

The technical effect of adopting the further scheme is as follows: when the old man needs to remove the seat, only need manual translation promote can, the truckle can autogiration, when the old man sits down the seat, the telescopic link shortens the length and can start to remove sucking disc mechanism, the cross bar is when meetting gravity simultaneously, there is decurrent power, the cross groove inner wall can be tightly laminated in one side of truckle, increase frictional force, avoid the truckle can freely rotate, after the old man plays the body, the cross bar can receive the elasticity of two small-size springs and make the cross groove keep away from the truckle automatically, the telescopic link can receive its inside spring influence simultaneously, automatic lengthening, need not manual regulation, be explained, the telescopic link can not shorten too weak point, because of the spring has certain holding power, so guarantee the certain height of seat.

As a preferred implementation mode, the movable sucker mechanism comprises a connecting plate, one side of the connecting plate is fixedly connected with a pull rod, one end of the pull rod is connected with an air pressure cylinder in a penetrating manner, the bottom end of the air pressure cylinder is fixedly connected with a sucker, the bottom end of the pull rod is fixedly connected with a piston, and one side of the piston is connected with the inner wall of the air pressure cylinder in a sliding manner.

The technical effect of adopting the further scheme is as follows: when the telescopic link shortens the length, drive the air pressure section of thick bamboo and remove downwards through the connecting plate, when the sucking disc adsorbs when ground, avoid old man to sit the back, can receive external factor and take place to remove, the pull rod can be provided decurrent power by the connecting plate, makes sucking disc and air pressure section of thick bamboo inner wall carry out the pressurization, and gas can be for the decurrent resistance of pull rod, further prevent that the piston from removing to the air pressure section of thick bamboo bottom and avoid being crushed.

As a preferred implementation mode, a plurality of first ventilation grooves are formed in one end of the air pressure cylinder, second ventilation grooves are formed in the bottom end of the air pressure cylinder, first air holes are formed in the bottom of the piston, and a plurality of second air holes are formed in one side of the piston.

The technical effect of adopting the further scheme is as follows: when the old man lifts up, the piston can upwards move, two kinds of situations can occur, the first sucking disc can be pulled out of the ground by the telescopic rod, and the second kind is used for avoiding that the telescopic rod cannot be pulled out of the sucking disc adsorbed on the ground, one end of the ventilation groove I at one end of the air pressure cylinder is moved to the piston, the inner wall of the sucking disc is connected through the ventilation groove II, the air hole I at one side of the piston and the air hole II enable the air of the inner wall of the air pressure cylinder to flow to the outside finally, the pressure of the inner wall of the sucking disc is released, so that the follow-up pulling-out work is facilitated, and the fact that the air hole I and the air hole II are communicated is explained.

As a preferred embodiment, the air cylinder is made of stainless steel.

The technical effect of adopting the further scheme is as follows: under the condition of oxygen, the stainless steel has better rust resistance, and the phenomenon that the piston is inconvenient to move due to the fact that the air pressure cylinder grows a rust sheet to increase friction force with the piston is avoided.

Compared with the prior art, the utility model has the advantages and positive effects that,

according to the utility model, the problem of low functionality of the aging seat is solved by moving the air pressure mechanism and the telescopic rod, when an old man needs to push the seat, only manual translation pushing is needed, when the old man sits down the seat, the telescopic rod shortens the length and drives the air pressure cylinder to move downwards, so that the sucker is adsorbed on the ground, meanwhile, the cross rod slowly moves downwards, the inner wall of the cross groove is tightly attached to one side of the truckle, the friction force is increased, the truckle is prevented from freely rotating, the telescopic rod automatically takes a side length after the old man rises, manual adjustment is not needed, and the functionality of the aging seat is increased.

Drawings

Fig. 1 is a schematic view of an external perspective structure of a gravity sensing functional caster suitable for an aging seat.

Fig. 2 is a schematic internal perspective view of a telescopic rod of a gravity sensing functional caster suitable for an aging seat.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a schematic perspective view of a cross bar of a gravity sensing functional caster suitable for an aging seat.

Fig. 5 is a schematic diagram of the internal three-dimensional structure of an air cylinder of a gravity sensing functional caster suitable for an aging seat.

Legend description:

1. a seat; 2. a telescopic rod; 3. a spring; 4. a support plate; 5. a cross bar; 6. a cross groove; 7. a square groove; 8. a small spring; 9. a bearing; 10. an optical axis; 11. casters; 12. a connecting plate; 13. a pull rod; 14. an air pressure cylinder; 15. a suction cup; 16. a piston; 17. a first ventilation groove; 18. a second ventilation groove; 19. an air hole I; 20. and a second air hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: gravity sensing functional caster suitable for an aging seat, comprising: the seat 1, the bottom fixedly connected with telescopic link 2 of seat 1 is equipped with on the telescopic link 2 and removes sucking disc mechanism, and the inner wall fixedly connected with spring 3 of telescopic link 2, the bottom fixedly connected with backup pad 4 of telescopic link 2, the bottom fixedly connected with cross rod 5 of backup pad 4, cross groove 6 has been seted up to one side of cross rod 5, the inner wall sliding connection of cross groove 6 has truckle 11, and one side of truckle 11 runs through fixedly has optical axis 10.

As shown in fig. 1-5, eight square grooves 7 are formed in one side of the cross bar 5, two small springs 8 are fixedly connected to the inner walls of the eight square grooves 7, one ends of the two small springs 8 are fixedly connected to one ends of an optical axis 10 through bearings 9, when the old needs to move the seat 1, only manual translation pushing is needed, the casters 11 can automatically rotate, when the old sits down on the seat 1, the telescopic rod 2 shortens the length and can start the movable sucker mechanism, meanwhile, the cross bar 5 has downward force when encountering gravity, the inner wall of the cross groove 6 can be tightly attached to one side of the casters 11, friction force is increased, the casters 11 can be prevented from freely rotating, after the old rises, the cross bar 5 can be automatically enabled to be far away from the casters by the elastic force of the two small springs 8, meanwhile, the telescopic rod 2 can be influenced by the springs 3 in the inside of the casters, and automatically lengthen without manual adjustment, and the telescopic rod 2 can not be shortened too short, and the springs 3 have certain supporting force, so that the certain height of the seat 1 is ensured.

As shown in fig. 1-5, the movable sucker mechanism comprises a connecting plate 12, one side of the connecting plate 12 is fixedly connected with a pull rod 13, one end of the pull rod 13 is connected with an air cylinder 14 in a penetrating manner, the bottom end of the air cylinder 14 is fixedly connected with a sucker 15, the bottom end of the pull rod 13 is fixedly connected with a piston 16, one side of the piston 16 is slidably connected with the inner wall of the air cylinder 14, when the length of the telescopic rod 2 is shortened, the air cylinder 14 is driven to move downwards through the connecting plate 12, when the sucker 15 is adsorbed on the ground, the old people are prevented from sitting down and then being moved by external factors, the pull rod 13 can be provided with downward force by the connecting plate 12, so that the sucker 15 and the inner wall of the air cylinder 14 are pressurized, and the downward resistance of the pull rod 13 is further prevented from being moved to the bottom end of the air cylinder 14, so as to avoid being crushed.

As shown in fig. 1-5, a plurality of first ventilation grooves 17 are formed at one end of the air cylinder 14, a second ventilation groove 18 is formed at the bottom end of the air cylinder 14, a first air hole 19 is formed at the bottom of the piston 16, a plurality of second air holes 20 are formed at one side of the piston 16, when the old people lift up, the piston 16 moves upwards, the first sucker 15 can be pulled out of the ground by the telescopic rod 2, and the second air hole 19 and the second air hole 20 are communicated by connecting the inner wall of the sucker 15 through the first ventilation groove 18 and the second ventilation groove 18 at one end of the air cylinder 17 by the piston 16 when the sucker 15 adsorbed on the ground is not pulled out by the telescopic rod 2, and finally, the pressure of the inner wall of the sucker 15 is released to facilitate the subsequent pulling-out operation.

As shown in fig. 1-5, the air cylinder 14 is made of stainless steel, so that the stainless steel has better anti-rust property under the condition of oxygen, and the problem that the piston 16 is inconvenient to move due to the fact that the friction force between the piston 16 and the stainless plate generated by the air cylinder 14 is increased is avoided.

Working principle: when the old man needs to remove seat 1, only need manual translation promote can, truckle 11 can autogiration, when the old man sits down seat 1, telescopic link 2 shortens the length and can drive air pressure section of thick bamboo 14 downwardly moving through connecting plate 12, makes sucking disc 15 adsorb on ground, can receive external factor and take place to remove after avoiding the old man to sit down, and after the old man played the body, cross bar 5 can receive the elasticity of two small-size springs 8 and make cross groove 6 keep away from the truckle automatically, and telescopic link 2 is automatic to lengthen simultaneously, need not manual regulation.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. Gravity sensing functional castor suitable for suitable ageing seat, its characterized in that includes: seat (1), the bottom fixedly connected with telescopic link (2) of seat (1), be equipped with on telescopic link (2) and remove sucking disc mechanism, the inner wall fixedly connected with spring (3) of telescopic link (2), the bottom fixedly connected with backup pad (4) of telescopic link (2), the bottom fixedly connected with cross rod (5) of backup pad (4), cross groove (6) have been seted up to one side of cross rod (5), the inner wall sliding connection of cross groove (6) has truckle (11), one side of truckle (11) runs through and is fixed with optical axis (10).

2. The gravity sensing functional caster for an aging seat of claim 1, wherein: eight square grooves (7) are formed in one side of the cross rod (5), two small springs (8) are fixedly connected to the inner walls of the eight square grooves (7), and one ends of the two small springs (8) are fixedly connected to one end of an optical axis (10) through bearings (9).

3. The gravity sensing functional caster for an aging seat of claim 1, wherein: the movable sucker mechanism comprises a connecting plate (12), one side of the connecting plate (12) is fixedly connected with a pull rod (13), one end of the pull rod (13) is connected with an air pressure cylinder (14) in a penetrating manner, and the bottom end of the air pressure cylinder (14) is fixedly connected with a sucker (15).

4. A gravity sensing functional caster for an aging seat according to claim 3, wherein: the bottom end of the pull rod (13) is fixedly connected with a piston (16), and one side of the piston (16) is slidably connected with the inner wall of the air pressure cylinder (14).

5. The gravity sensing functional caster for an aging seat of claim 4, wherein: one end of the air pressure cylinder (14) is provided with a plurality of first ventilation grooves (17), the bottom end of the air pressure cylinder (14) is provided with a second ventilation groove (18), the bottom of the piston (16) is provided with a first air hole (19), and one side of the piston (16) is provided with a plurality of second air holes (20).

6. The gravity sensing functional caster for an aging seat of claim 5, wherein: the air pressure cylinder (14) is made of stainless steel.