CN210520534U

CN210520534U - Multifunctional liftable handrail

Info

Publication number: CN210520534U
Application number: CN201921581306.5U
Authority: CN
Inventors: 鹿纯伟
Original assignee: Guangzhou Hongjin Furniture Co Ltd
Current assignee: Guangzhou Hongjin Furniture Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-15
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a multi-functional liftable handrail, including the chair board, a plurality of chair legs of bottom fixedly connected with of chair board, its both sides all are provided with the holding frame, the holding frame is the U font, and first screw hole has been seted up to its bottom, first screw hole female connection has first bolt, the top of first bolt is provided with the clamp plate, the bottom both sides fixedly connected with spring of clamp plate, the bottom fixed connection of spring is at the inner wall of holding frame, the lateral wall fixedly connected with support frame of holding frame, the support frame is L shape, and its top is provided with handrail mechanism. The utility model has the characteristics of structural design is reasonable, and the function is various, can freely go up and down to stability is high, and the travelling comfort is good etc.

Description

Multifunctional liftable handrail

Technical Field

The utility model relates to a handrail technical field specifically is a multi-functional liftable handrail.

Background

The handrail is a practical and decorative projection usually arranged on stairs, breast boards, balconies and the like, is a member for holding on the upper edge (top surface) of a handrail or a breast board, and is used for supporting when walking.

The armrest of the chair is one of the armrests, which is one of the important components of the chair and can play a role of supporting the arm. However, the existing chair armrest is simple in structure and single in function, and cannot be freely lifted and lowered together with the seat, so that the supporting height of the existing chair armrest cannot be adjusted according to needs, and therefore the existing chair armrest is urgently needed to be improved.

Disclosure of Invention

The utility model provides a technical problem lie in overcoming prior art's chair seat simple structure, and the function is single, and the defect of unable free lift provides a multi-functional liftable handrail. A multi-functional liftable handrail has structural design rationally, and the function is various, can freely go up and down to stability is high, characteristics such as travelling comfort is good.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional liftable handrail, includes the chair board, a plurality of chair legs of bottom fixedly connected with of chair board, its both sides all are provided with the holding frame, the holding frame is the U font, and first screw hole has been seted up to its bottom, first screw hole female connection has first bolt, the top of first bolt is provided with the clamp plate, the bottom both sides fixedly connected with spring of clamp plate, the bottom fixed connection of spring is at the inner wall of holding frame, the lateral wall fixedly connected with support frame of holding frame, the support frame is L shape, and its top is provided with handrail mechanism.

Preferably, the armrest mechanism comprises a slide rail, the slide rail is fixedly connected to the top of the support frame, the side walls of the two sides of the sliding rail are respectively provided with a positioning groove, the sliding rail is sleeved with a sliding block, the two sides of the sliding block are respectively provided with a second threaded hole, the second threaded hole is internally connected with a screw, the tail end of the screw is inserted into the positioning groove, the top of the sliding block is fixedly connected with a supporting rod, the top end of the supporting rod is fixedly connected with a fixing plate, a supporting plate is arranged above the fixing plate, and both sides of the bottom of the fixing plate are fixedly connected with positioning pipes, the pipe walls of the positioning pipes are provided with threaded pipes, the threaded pipe is internally threaded with a second bolt, a lifting rod is inserted into the positioning pipe, the top end of the lifting rod penetrates through the fixing plate and is fixedly connected to the bottom of the supporting plate, and a plurality of positioning holes matched with the second bolt are formed in the rod body of the lifting rod.

Preferably, the top of the supporting plate is provided with an arc-shaped groove, and the inner wall surface of the arc-shaped groove is provided with a layer of sponge cushion.

Preferably, the bottom of the supporting plate is fixedly connected with a pair of upper connecting seats, the top of the fixing plate is fixedly connected with a pair of lower connecting seats, the lower connecting seats are located under the upper connecting seats, each upper connecting seat and each lower connecting seat are movably connected with a connecting rod, the number of the connecting rods is multiple, and every two adjacent connecting rods are movably connected.

Preferably, the groove width of the positioning groove is equal to the diameter of the screw, the tail end of the screw is provided with a rubber block, and herringbone anti-skidding lines are carved on the surface of the rubber block.

Preferably, the top surface of the pressing plate is provided with a layer of rubber gasket, and herringbone anti-skid lines are carved on the surface of the rubber gasket.

Preferably, reinforcing blocks are fixedly connected between two sides of the top of the support frame and two sides of the bottom of the slide rail, and the reinforcing blocks are of a triangular block structure.

Compared with the prior art, the beneficial effects of the utility model are that:

a multi-functional liftable handrail structural design reasonable, the function is various, can firmly fix handrail mechanism in the both sides of chair board through the holding frame, utilize the anchor block to consolidate the slide rail, so as to improve its stability, prevent to produce after its atress and rock and slope, the layer board can support user's arm, be provided with the foam-rubber cushion in the arc wall at layer board top, can play buffering absorbing effect, thereby improve the comfort level of arm, can drive the layer board through along slide rail back-and-forth movement slider and remove together, thereby can adjust the strong point of layer board as required, through reciprocating the lifter along the registration arm can adjust the height of handrail as required, so as to adapt to different users, can be more comfortable during the messenger's use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

Reference numbers in the figures: 1. a chair plate; 2. a chair leg; 3. a clamping frame; 4. a first threaded hole; 5. a first bolt; 6. pressing a plate; 7. a spring; 8. a support frame; 9. a slide rail; 10. positioning a groove; 11. a slider; 12. a second threaded hole; 13. a screw; 14. a support bar; 15. a fixing plate; 16. a support plate; 17. a positioning tube; 18. a threaded pipe; 19. a second bolt; 20. a lifting rod; 21. positioning holes; 22. an upper connecting seat; 23. a lower connecting seat; 24. a connecting rod; 25. and a reinforcing block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multifunctional lifting armrest comprises a chair plate 1, a plurality of chair legs 2 are fixedly connected to the bottom of the chair plate 1, clamping frames 3 are arranged on two sides of the chair plate, the clamping frames 3 are U-shaped, first threaded holes 4 are formed in the bottoms of the clamping frames 3, first bolts 5 are connected with the first threaded holes 4 in an internal thread mode, a pressing plate 6 is arranged above the first bolts 5, a layer of rubber gasket is arranged on the top surface of the pressing plate 6, herringbone anti-skidding lines are carved on the surface of the rubber gasket, the friction force between the pressing plate 6 and the chair plate 1 can be increased, the clamping frames 3 are tightly fixed on two sides of the chair plate 1 to avoid skidding, springs 7 are fixedly connected to two sides of the bottom of the pressing plate 6, the bottom ends of the springs 7 are fixedly connected to the inner wall of the clamping frames 3, supporting frames 8 are fixedly connected to the side walls of the clamping frames 3, the supporting frames 8 are, the slide rail 9 is fixedly connected to the top of the support frame 8, reinforcing blocks 25 are fixedly connected between two sides of the top of the support frame 8 and two sides of the bottom of the slide rail 9, each reinforcing block 25 is a triangular block structure and can reinforce the slide rail 9 so as to improve the stability of the slide rail and prevent the slide rail from shaking and inclining after being stressed, positioning grooves 10 are formed in side walls of two sides of the slide rail 9, a slide block 11 is sleeved on the slide rail 9, second threaded holes 12 are formed in two sides of the slide block 11, screws 13 are connected in the second threaded holes 12 in a threaded manner, the tail ends of the screws 13 are inserted into the positioning grooves 10, the groove width of the positioning grooves 10 is equal to the diameter of the screws 13, rubber blocks are arranged at the tail ends of the screws 13, herringbone anti-slip grains are engraved on the surfaces of the rubber blocks, the friction force between the screws 13 and the positioning grooves 10 can be increased, so that, the top of the sliding block 11 is fixedly connected with a supporting rod 14, the top of the supporting rod 14 is fixedly connected with a fixing plate 15, a supporting plate 16 is arranged above the fixing plate 15, the top of the supporting plate 16 is provided with an arc-shaped groove, an arm can be attached in the arc-shaped groove, the inner wall surface of the arc-shaped groove is provided with a layer of sponge cushion which can play a role in buffering and damping, so that the comfort level of the arm is improved, both sides of the bottom of the fixing plate 15 are fixedly connected with a positioning pipe 17, the pipe wall of the positioning pipe 17 is provided with a threaded pipe 18, the threaded pipe 18 is in threaded connection with a second bolt 19, a lifting rod 20 is inserted into the positioning pipe 17, the top of the lifting rod 20 penetrates through the fixing plate 15 and is fixedly connected to the bottom of the supporting plate 16, the rod body of the lifting rod 20 is provided with a plurality of positioning holes 21 matched, lower connecting seat 23 is located connecting seat 22 under, and on every connecting seat 22 and lower connecting seat 23 equal swing joint have a connecting rod 24, and connecting rod 24 has a plurality of, and is swing joint between every two adjacent connecting rods 24, can drive connecting rod 24 and take place to rotate when layer board 16 reciprocates, utilizes connecting rod 24 can improve layer board 16's stability to take place to rock and slope when avoiding it to reciprocate.

The working principle is as follows: when the utility model is used, firstly, the clamping frame 3 and the handrail mechanism are clamped on two sides of the chair plate 1, then the first bolt 5 in the first threaded hole 4 is screwed to move upwards, the first bolt 5 can drive the pressing plate 6 to move upwards together when moving upwards until the pressing plate 6 is tightly propped against the bottom of the chair plate 1, thereby the clamping frame 3 and the handrail mechanism are firmly fixed on two sides of the chair plate 1, when a person sits on the chair plate 1, two arms can be attached in the arc-shaped groove at the top of the supporting plate 16 so as to support the arms through the handrail mechanism, the sliding block 11 can slide back and forth along the sliding rail 9, the supporting plate 16 can be driven to move together through the back and forth sliding of the sliding block 11, thereby the supporting point of the supporting plate 16 can be adjusted as required, the sliding block 11 can be fixed on the sliding rail 9 by screwing the screw 13 in the second threaded hole 12 into the positioning groove 10, thereby preventing the sliding, when the height of the supporting plate 16 needs to be adjusted, the lifting rod 20 can be moved up and down along the positioning pipe 17, after the height of the supporting plate 16 is determined, the second bolt 19 in the threaded pipe 18 is screwed into the corresponding positioning hole 21, so that the height of the handrail can be adjusted as required to adapt to different users, and the handrail can be used more comfortably.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multi-functional liftable handrail, includes chair plate (1), its characterized in that: the utility model discloses a chair, including chair plate (1), clamping frame (3), first screw hole (4) have been seted up to the bottom fixedly connected with of chair plate (1), and its both sides all are provided with holding frame (3), holding frame (3) are the U font, first screw hole (4) have been seted up to its bottom, first screw hole (4) female connection has first bolt (5), the top of first bolt (5) is provided with clamp plate (6), the bottom both sides fixedly connected with spring (7) of clamp plate (6), the bottom fixed connection of spring (7) is at the inner wall of holding frame (3), the lateral wall fixedly connected with support frame (8) of holding frame (3), support frame (8) are L shape, and its top is provided with handrail mechanism.

2. The multifunctional liftable handrail of claim 1, wherein: the handrail mechanism comprises a sliding rail (9), the sliding rail (9) is fixedly connected to the top of a support frame (8), positioning grooves (10) are formed in the side walls of two sides of the sliding rail (9), a sliding block (11) is sleeved on the sliding rail (9), second threaded holes (12) are formed in two sides of the sliding block (11), screws (13) are connected in the second threaded holes (12) in an internal thread mode, the tail ends of the screws (13) are inserted into the positioning grooves (10), a supporting rod (14) is fixedly connected to the top of the sliding block (11), a fixing plate (15) is fixedly connected to the top end of the supporting rod (14), a supporting plate (16) is arranged above the fixing plate (15), positioning pipes (17) are fixedly connected to two sides of the bottom of the fixing plate (15), threaded pipes (18) are formed in the pipe walls of the positioning pipes (17), and second bolts (19), a lifting rod (20) is inserted into the positioning tube (17), the top end of the lifting rod (20) penetrates through the fixing plate (15) and is fixedly connected to the bottom of the supporting plate (16), and a plurality of positioning holes (21) matched with the second bolts (19) are formed in the rod body of the lifting rod (20).

3. The multifunctional liftable handrail of claim 2, wherein: the top of the supporting plate (16) is provided with an arc-shaped groove, and the inner wall surface of the arc-shaped groove is provided with a layer of sponge cushion.

4. The multifunctional liftable handrail of claim 2, wherein: the bottom fixedly connected with of layer board (16) is a pair of connecting seat (22) of going up, the top fixedly connected with of fixed plate (15) is a pair of connecting seat (23) down, connecting seat (23) are located under last connecting seat (22) down, and every go up equal swing joint on connecting seat (22) and the lower connecting seat (23) and have connecting rod (24), connecting rod (24) have a plurality of, and every adjacent two be swing joint between connecting rod (24).

5. The multifunctional liftable handrail of claim 2, wherein: the groove width of the positioning groove (10) is equal to the diameter of the screw (13), the tail end of the screw (13) is provided with a rubber block, and herringbone anti-skidding lines are carved on the surface of the rubber block.

6. The multifunctional liftable handrail of claim 1, wherein: the top surface of the pressing plate (6) is provided with a layer of rubber gasket, and herringbone anti-skidding lines are carved on the surface of the rubber gasket.

7. The multifunctional liftable handrail of claim 1, wherein: all fixedly connected with reinforcing block (25) between the top both sides of support frame (8) and the bottom both sides of slide rail (9), reinforcing block (25) are triangle-shaped block structure.