CN213308526U

CN213308526U - Novel office chair armrest

Info

Publication number: CN213308526U
Application number: CN202022714338.7U
Authority: CN
Inventors: 胡婷婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-01
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a novel office chair handrail, including mounting panel, first support and second support, the mounting panel welding is in the bottom of first support, the spout has been seted up to the inside of first support, the one end of second support slides and sets up in the spout, the locating hole has been seted up on the surface of second support, the outer skin weld of first support has the fixed block, it is provided with the locating lever to slide in the fixed block, the one end of locating lever is pegged graft in the locating hole. The utility model discloses a pulling handle makes handle pulling locating lever shift out from a locating hole in, then can make the second support slide in the spout, can go up and down to the second support, when going up and down to suitable position, loosens the handle, makes the locating lever pass through in the elasticity bullet of spring goes into another locating hole, fixes the second support to make things convenient for the height of arm supporting pad department to adjust, make the better support arm of arm supporting pad.

Description

Novel office chair armrest

Technical Field

The utility model relates to an office chair technical field specifically is a novel office chair handrail.

Background

The office chair refers to various chairs which are equipped for working conveniently in daily work and social activities. Office chairs are classified into a narrow office chair and a generalized office chair, the narrow office chair refers to a backrest chair on which a person sits when working on a desktop in a sitting posture, and the generalized office chair is all chairs used in offices and comprises a large office chair, a middle office chair, a guest-meeting chair, a staff chair, a conference chair, a visitor chair, a training chair and the like.

The current armrests of business office chairs also have the following problems: inconvenient arm support department to the handrail carries out altitude mixture control, is unfavorable for when different people use, makes the arm of different people that the handrail can be better support, and the sponge supporting pad on handrail surface breaks the hole easily simultaneously, and is inconvenient to be changed alone.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel office chair handrail 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: a novel office chair armrest comprises a mounting plate, a first support and a second support, wherein the mounting plate is welded at the bottom of the first support, a chute is formed in the first support, one end of the second support is slidably arranged in the chute, a positioning hole is formed in the surface of the second support, a fixed block is welded on the outer surface of the first support, a positioning rod is slidably arranged in the fixed block, one end of the positioning rod is inserted in the positioning hole, a handle is welded at the other end of the positioning rod, a cavity is formed in the fixed block, a spring is arranged in the cavity and sleeved on the circumference of the positioning rod, a supporting plate is welded at the top of the second support, a mounting groove is formed in the upper surface of the supporting plate, a connecting plate is arranged above the supporting plate, and an arm supporting pad is fixedly arranged on the upper surface of the connecting plate, the lower surface welding of connecting plate has the slider, the slider slides and sets up in the mounting groove, the screw hole is seted up on the surface of slider, the surface threaded connection of backup pad has first fastening bolt, the other end threaded connection of first fastening bolt is in the screw hole.

And the lower surface of one end of the mounting plate is in threaded connection with second fastening bolts, and the second fastening bolts are provided with two groups.

At least ten groups of positioning holes are formed in the positioning holes, and the at least ten groups of positioning holes are arranged at equal intervals.

One end of the spring is welded on the inner wall of the cavity, and the other end of the spring is welded on the circumference of the positioning rod.

And a clamping block is fixedly arranged at the bottom of the second support and is arranged in the sliding groove in a sliding manner.

The threaded holes are symmetrically formed in two ends of the sliding block in two groups, and the first fastening bolts are symmetrically arranged at two ends of the supporting plate in two groups.

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

1. the utility model discloses a pulling handle makes handle pulling locating lever shift out from a locating hole in, then can make the second support slide in the spout, can go up and down to the second support, when going up and down to suitable position, loosens the handle, makes the locating lever pass through in the elasticity bullet of spring goes into another locating hole, fixes the second support to make things convenient for the height of arm supporting pad department to adjust, make the better support arm of arm supporting pad.

2. The utility model discloses a with first fastening bolt from the downthehole roll-off of screw thread, then with the slider roll-off in the mounting groove to the convenience is dismantled arm supporting pad part, thereby conveniently changes the arm supporting pad.

Drawings

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

FIG. 2 is a right side sectional view of the present invention shown in FIG. 1;

fig. 3 is a cross-sectional view of the inside of the first bracket of fig. 1 according to the present invention.

In the figure: 1. mounting a plate; 2. a first bracket; 3. a second bracket; 4. a chute; 5. positioning holes; 6. a fixed block; 7. positioning a rod; 8. a handle; 9. a cavity; 10. a spring; 11. a support plate; 12. a connecting plate; 13. an arm support pad; 14. a slider; 15. a threaded hole; 16. a first fastening bolt; 17. a second fastening bolt; 18. a clamping block; 19. and (4) mounting the groove.

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 novel office chair armrest comprises an installation plate 1, a first support 2 and a second support 3, wherein the installation plate 1 is welded at the bottom of the first support 2, a chute 4 is formed in the first support 2, one end of the second support 3 is slidably arranged in the chute 4, a positioning hole 5 is formed in the surface of the second support 3, a fixed block 6 is welded on the outer surface of the first support 2, a positioning rod 7 is slidably arranged in the fixed block 6, one end of the positioning rod 7 is inserted in the positioning hole 5, a handle 8 is welded at the other end of the positioning rod 7, a cavity 9 is formed in the fixed block 6, a spring 10 is arranged in the cavity 9, the spring 10 is sleeved on the circumference of the positioning rod 7, the handle 8 is pulled to move the positioning rod 7 out of the positioning hole 5 by pulling the handle 8, then the second support 3 can slide in the chute 4, and the second support 3 can, when the device is lifted to a proper position, the handle 8 is loosened, the positioning rod 7 is made to bounce into the other positioning hole 5 through the elastic force of the spring 10, and the second support 3 is fixed, so that the height of the arm supporting pad 13 is conveniently adjusted, and the arm supporting pad 13 can better support the arm;

the welding of the top of second support 3 has backup pad 11, mounting groove 19 has been seted up to the upper surface of backup pad 11, the top of backup pad 11 is provided with connecting plate 12, the last fixed surface of connecting plate 12 is provided with arm supporting pad 13, the lower skin weld of connecting plate 12 has slider 14, slider 14 slides and sets up in mounting groove 19, slider 14's surface tapping hole 15, the surface threaded connection of backup pad 11 has first fastening bolt 16, another end threaded connection of first fastening bolt 16 is in screw hole 15, through unscrewing first fastening bolt 16 from screw hole 15, then with slider 14 roll-off in mounting groove 19, thereby conveniently dismantle arm supporting pad 13 part, thereby conveniently change arm supporting pad 13.

In order to conveniently install the mounting plate 1 on the fixed plate corresponding to the bottom of the office chair and increase the stability during installation, the lower surface of one end of the mounting plate 1 is in threaded connection with two groups of second fastening bolts 17, and the second fastening bolts 17 are arranged in two groups.

In order to facilitate height adjustment and enable the adjusted height to change more finely, at least ten groups of positioning holes 5 are formed, and the at least ten groups of positioning holes 5 are arranged at equal intervals.

In order to facilitate the elastic force of the spring 10 to act on the positioning rod 7, one end of the spring 10 is welded to the inner wall of the cavity 9, and the other end of the spring 10 is welded to the circumference of the positioning rod 7.

In order to prevent the second bracket 3 from being pulled out of the sliding groove 4, a latch 18 is fixedly arranged at the bottom of the second bracket 3, and the latch 18 is slidably arranged in the sliding groove 4.

In order to increase the mounting stability of the connecting plate 12, two sets of threaded holes 15 are symmetrically arranged at both ends of the slider 14, and two sets of first fastening bolts 16 are symmetrically arranged at both ends of the supporting plate 11.

The working principle is as follows: the utility model discloses a pulling handle 8, make handle 8 pulling locating lever 7 shift out from a locating hole 5, then can make second support 3 slide in spout 4, can go up and down to second support 3, when going up and down to suitable position, loosen handle 8, make locating lever 7 through the elasticity of spring 10 bounce into another locating hole 5, fix second support 3, thus conveniently adjust the height of arm supporting pad 13 department, make the better support arm of arm supporting pad 13; the arm supporting pad 13 is partially detached and replaced conveniently by unscrewing the first fastening bolt 16 from the threaded hole 15 and sliding the slider 14 out of the mounting groove 19.

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 novel office chair handrail, includes mounting panel (1), first support (2) and second support (3), its characterized in that: the mounting plate (1) is welded at the bottom of the first support (2), a sliding groove (4) is formed in the first support (2), one end of the second support (3) is arranged in the sliding groove (4) in a sliding mode, a positioning hole (5) is formed in the surface of the second support (3), a fixing block (6) is welded on the outer surface of the first support (2), a positioning rod (7) is arranged in the fixing block (6) in a sliding mode, one end of the positioning rod (7) is inserted in the positioning hole (5), a handle (8) is welded at the other end of the positioning rod (7), a cavity (9) is formed in the fixing block (6), a spring (10) is arranged in the cavity (9), the spring (10) is sleeved on the circumference of the positioning rod (7), and a support plate (11) is welded at the top of the second support (3), mounting groove (19) have been seted up to the upper surface of backup pad (11), the top of backup pad (11) is provided with connecting plate (12), the last fixed surface of connecting plate (12) is provided with arm supporting pad (13), the lower skin weld of connecting plate (12) has slider (14), slider (14) slide to set up in mounting groove (19), threaded hole (15) are seted up to the surface of slider (14), the surface threaded connection of backup pad (11) has first fastening bolt (16), the other end threaded connection of first fastening bolt (16) is in screw hole (15).

2. A novel office chair armrest as claimed in claim 1, wherein: the lower surface of one end of mounting panel (1) threaded connection has second fastening bolt (17), second fastening bolt (17) are provided with two sets ofly.

3. A novel office chair armrest as claimed in claim 1, wherein: at least ten groups of positioning holes (5) are formed, and the at least ten groups of positioning holes (5) are arranged at equal intervals.

4. A novel office chair armrest as claimed in claim 1, wherein: one end of the spring (10) is welded on the inner wall of the cavity (9), and the other end of the spring (10) is welded on the circumference of the positioning rod (7).

5. A novel office chair armrest as claimed in claim 1, wherein: a clamping block (18) is fixedly arranged at the bottom of the second bracket (3), and the clamping block (18) is arranged in the sliding groove (4) in a sliding manner.

6. A novel office chair armrest as claimed in claim 1, wherein: the two ends of the sliding block (14) are symmetrically provided with two groups of threaded holes (15), and the two ends of the supporting plate (11) are symmetrically provided with two groups of first fastening bolts (16).