CN111759117A

CN111759117A - Multifunctional chassis with improved structure

Info

Publication number: CN111759117A
Application number: CN202010718454.8A
Authority: CN
Inventors: 郭丽夷
Original assignee: Zhongshan Mesch Furniture Co ltd
Current assignee: Zhongshan Mesch Furniture Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2020-10-13
Also published as: TWM615375U

Abstract

The invention relates to the technical field of seats, in particular to a multifunctional chassis with an improved structure, which comprises a chassis main body, a handle and a pull wire, wherein the chassis main body comprises a chair back angle adjusting mechanism, a cushion height adjusting mechanism and a cushion forward-backward moving mechanism. According to the invention, three functions of the chair back angle adjusting structure, the cushion height adjusting mechanism and the cushion forward-backward moving mechanism are controlled by the three pull ropes, so that a user can adjust the angle of the chair back, lift the cushion and move the cushion forward and backward by pulling the handle in different directions, the structure of the chair is simplified, the operation habit of the user is met, the chair is convenient to use, and the user can directly sit on the chair to directly adjust the chair.

Description

Multifunctional chassis with improved structure

Technical Field

The invention relates to the technical field of seats, in particular to a multifunctional chassis with an improved structure.

Background

The seat is an important device for daily life and office, in order to make the seat more comfortable and convenient, people design different types of adjustable seats, such as folding chairs, liftable swivel chairs and back chairs capable of adjusting the inclination angle of the back rest.

It is necessary to design a new adjustable seat to compensate for these deficiencies.

Disclosure of Invention

The invention aims to provide a multifunctional chassis with an improved structure, which solves the problems that the existing seat proposed in the background art is complicated in operation and troublesome in operation due to more handles, and brings inconvenience to people.

In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional chassis with an improved structure comprises a chassis main body, a handle and a pull wire, wherein the chassis main body comprises a chair back angle adjusting mechanism, a cushion height adjusting mechanism and a cushion front-back moving mechanism, and the chassis main body is connected with the left side and the right side of a chair back frame through a chair back connecting rod;

the handle comprises a handle position, a handle connecting block and a handle base, the handle base consists of an upper handle base and a lower handle base, the handle connecting block is installed on the handle base, the handle connecting block and the handle base are bolted through a buckling position, a backward-bending stay rope groove and a sliding seat stay rope groove are formed in two ends of the handle base, an air pressure rod stay rope groove is formed in the bottom of the handle, and the handle is installed on the handle base;

the pull wire comprises a backward-bending pull rope, a pneumatic rod pull rope and a sliding seat pull rope, the backward-bending pull rope is arranged on a groove of the backward-bending pull rope, the sliding seat pull rope is arranged on a groove of the sliding seat pull rope, the pneumatic rod pull rope is arranged in the groove of the pneumatic rod pull rope, and the operating handle position is connected with the chair back angle adjusting mechanism through the backward-bending pull rope;

the operating handle is connected with the cushion height adjusting mechanism through the pneumatic rod pull rope, and the operating handle is connected with the cushion forward-backward moving mechanism through a connecting screw rod.

Preferably, one end of the backward leaning pull rope is fixed on the handle connecting block, and the other end of the backward leaning pull rope penetrates through the pull rope fixing block and is sleeved on the backward leaning positioning block.

Preferably, the upper and lower parts of the handle connecting block on the operating handle are provided with corresponding convex points and grooves with the inner parts of the handle upper base and the handle lower base.

Preferably, one end of the pneumatic rod pull rope is fixed on a groove at the bottom of the handle, and the other end of the pneumatic rod pull rope is fixed on a groove of the pneumatic rod pulling rod through the pull rope fixing block.

Preferably, the cushion on the cushion forward-backward moving mechanism is fixed on the sliding seat fixing seat through a sliding plate.

Preferably, the sliding plate is connected with the sliding seat fixing seat through a sliding seat fixing screw and a sliding gasket.

Compared with the prior art, the invention has the beneficial effects that:

the three functions of the chair back angle adjusting structure, the cushion height adjusting mechanism and the cushion forward-backward moving mechanism are controlled by the three pull ropes, and a user can adjust the chair back angle adjusting structure, the cushion height adjusting mechanism and the cushion forward-backward moving mechanism by pulling the handles in different directions

The angle of the backrest, the lifting of the seat cushion and the forward and backward movement of the seat cushion simplify the structure of the seat, and the operation habit of a user is met, so that the chair is convenient to use by the user, and the user can directly sit on the seat to directly adjust the seat.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective sectional view of the structure of the present invention;

FIG. 3 is a schematic perspective sectional view of a partial structure of the present invention;

FIG. 4 is an exploded view of a portion of the structure of the present invention;

FIG. 5 is an exploded view of the main structure of the chassis of the present invention;

fig. 6 is a schematic view of the connection between the pull rope of the pneumatic rod and the trigger plate of the pneumatic rod according to the present invention.

In the figure: 1. a cushion forward-backward moving mechanism; 2. an operating handle; 3. a chassis main body; 4. an elastic force adjusting knob; 5. a chair back connecting rod; 6. the main sliding block is adjusted by the backward elasticity; 7. the back-bending elasticity adjusts the auxiliary slide block; 8. a main slider supporting shaft; 9. a back-bending spring; 10. a spring base is tilted backwards; 11. a backward positioning screw rod; 12. a cushion height adjusting mechanism; 13. a chair back angle adjusting structure; 14. a backward elasticity adjusting mechanism; 15. a backward leaning pull rope; 16. a pneumatic rod pull rope; 17. a handle position; 18. a handle; 19. a bolt; 20. a handle connecting block; 21. a handle upper base; 22. a handle lower base; 23. a pull rope fixing block; 24. the locking teeth are tilted backwards; 25. backward inclining the positioning block; 26. a reclining lock control spring; 27. a reclining locking spring; 28. a pneumatic rod pulling plate; 29. the screw rod is rotated in a backward tilting manner; 30. a slide plate; 31. a sliding gasket; 32. a slide positioning tooth fixing block; 33. a slide positioning tooth; 34. a slider spring; 35. a slide seat fixing screw; 36. a slide carriage pull rope; 37. connecting a screw rod; 38. a slide plate fixing seat; 39. an elastic force adjusting screw.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: a multifunctional chassis with improved structure comprises a chassis main body 3, a handle 18 and a pull wire, wherein the chassis main body 3 comprises a chair back angle adjusting mechanism 13, a cushion height adjusting mechanism 12 and a cushion forward-backward moving mechanism 1, and the chassis main body 3 is connected with the left and the right of a chair back frame through a chair back connecting rod 5;

the handle 18 comprises a handle position 17, a handle connecting block 20 and a handle base, the handle base is composed of an upper handle base 21 and a lower handle base 22, the handle 18 connecting block 20 is installed on the handle base, the handle 18 and the handle base are bolted through a bolt 19, a backward leaning pull rope 15 groove and a sliding seat pull rope 36 groove are arranged at two ends of the handle base, an air pressure rod pull rope 16 groove is arranged at the bottom of the handle, and the handle 18 is installed on the handle base;

the pull rope comprises a backward-bending pull rope 15, a pneumatic rod pull rope 16 and a sliding seat pull rope 36, the backward-bending pull rope 15 is installed on a groove of the backward-bending pull rope 15, the sliding seat pull rope 36 is installed on a groove of the sliding seat pull rope 36, the pneumatic rod pull rope 16 is installed in a groove of the pneumatic rod pull rope 16, and the 2-position operating handle is connected with the chair back angle adjusting mechanism 13 through the backward-bending pull rope 15;

the operating handle 2 is connected with the cushion height adjusting mechanism 12 through a pneumatic rod pull rope 16, and the operating handle 2 is connected with the cushion forward-backward moving mechanism 1 through a connecting screw rod 37.

The angle of the device is adjusted through the chair back angle adjusting structure 13, one end of the backward tilting stay cord 15 is fixed on the handle connecting block 20, the other end of the backward tilting stay cord 15 passes through the stay cord fixing block 23 and is sleeved on the backward tilting positioning block 25, the handle connecting block 20 on the operating handle 2 is vertically provided with corresponding convex points and grooves in the handle upper base 21 and the handle lower base 22, the positioning function is achieved, when the handle 18 is pulled backwards to the groove position, the handle 18 is released, the handle connecting block 20 is fixed at a position through the positioning points, the backward tilting locking spring 27 is pulled under the action of the handle connecting block 20 by the backward tilting positioning block 25, the backward tilting positioning block 25 moves forwards under the pressure of the backward tilting locking spring 21, the backward tilting positioning block 25 is separated from the backward locking teeth 4 of the 2, the angle of the chair back can be freely adjusted forwards and backwards by taking the backward rotating screw 29 as a central shaft under the action of the, when the handle 18 is moved to the middle groove position by the front plate, the handle 18 is released, the handle connecting block 20 is fixed on the middle positioning point, the backward bending pull rope 15 is free from the stretching force of the handle 18, and the backward bending positioning block 25 is twisted with the backward bending locking tooth 24 again under the pressure of the backward bending locking control spring 26, so that the tilting angle of the chair back is fixed;

the seat is lifted through the cushion height adjusting mechanism 12, one end of a pneumatic rod pull rope 16 is fixed on a groove at the bottom of a handle 18, the other end of the pneumatic rod pull rope 16 is fixed on a groove of a pneumatic rod pulling rod 28 through a pull rope fixing block 23, the handle 18 is pulled outwards, the handle 18 drives the pneumatic rod pulling rod 28 through the pneumatic rod pull rope 16, a pressing block in the middle of the pneumatic rod pulling rod 28 presses the head of the pneumatic rod to lift the seat up and down, and when the handle 18 is released, the pressing block in the middle of the pneumatic rod pulling rod 28 is separated from the head of the pneumatic rod to fix the pneumatic rod at a certain height, so that the cushion lifting function is implemented;

the front and back positions of the cushion are adjusted by the cushion front and back moving mechanism 1, the cushion on the cushion front and back moving mechanism 1 is fixed on a sliding seat fixing seat 38 through a sliding plate 30, the sliding plate 30 is connected with the sliding seat fixing seat 38 through a sliding seat fixing screw 35 and a sliding gasket 31, when a handle 18 is pulled forwards to a front groove position, the handle 18 is released, a handle connecting block 20 is fixed at one position through a positioning point, a sliding seat pulling rope 36 pulls a sliding seat positioning tooth 33 under the action of the handle connecting block 20, so that the sliding seat positioning tooth 33 is separated from the tooth on the sliding plate 30, the sliding plate 30 can move front and back, when the groove position from the back plate moving handle 18 to the middle is released, the handle 18 is fixed on the middle positioning point, the sliding seat pulling rope 36 gets rid of the pulling force of the handle 18, the sliding seat positioning tooth 33 is meshed with the sliding seat tooth on the sliding plate 30 again under the, thereby fixing the front and rear positions of the slide plate 30;

the backward-leaning elasticity of the chair back can be adjusted through the backward-leaning elasticity adjusting mechanism 14, the backward-leaning force of the chair back is controlled through the length of the backward-leaning spring 9, the acting force starts from a backward-leaning spring base 10 and a backward-leaning positioning screw rod 11 which are propped against the backward-leaning spring 9, when the elasticity adjusting knob 4 is twisted clockwise, the elasticity adjusting knob 4 rotates through the screw threads in the backward-leaning elasticity adjusting main slider 6, so that the backward-leaning elasticity adjusting main slider 6 moves leftwards along a main slider supporting shaft 8, and because the left side of the backward-leaning elasticity adjusting auxiliary slider 7 is propped against the side surface of the chassis main body 3, the backward-leaning elasticity adjusting auxiliary slider 7 only can move backwards, so that the backward-leaning spring 9 is pressed to shorten the length of the back, the effect of increasing the backward-leaning force of the chair back is achieved, and otherwise, the backward;

the three pull ropes are assembled and then clamped into the clamping position of the whole screw rod 39 of the elastic strip, so that the appearance is attractive.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multi-functional chassis of institutional advancement, includes chassis main part (3), handle (18) and acts as go-between, its characterized in that: the chassis main body (3) comprises a chair back angle adjusting mechanism (13), a cushion height adjusting mechanism (12) and a cushion forward-backward moving mechanism (1), and the chassis main body (3) is connected with a chair back frame through a chair back connecting rod (5);

the handle (18) comprises a handle position (17), a handle connecting block (20) and a handle base, the handle base is composed of an upper handle base (21) and a lower handle base (22), the handle (18) connecting block (20) is installed on the handle base, the handle (18) and the handle base are bolted through a bolt (19), a groove of a backward lifting rope (15) and a groove of a sliding seat pulling rope (36) are formed in two ends of the handle base, a groove of an air pressure rod pulling rope (16) is formed in the bottom of the handle, and the handle connecting block (20) is installed on the handle base;

the pull wire comprises a backward-bending pull rope (15), a pneumatic rod pull rope (16) and a sliding seat pull rope (36), the backward-bending pull rope (15) is installed on a groove of the backward-bending pull rope (15), the sliding seat pull rope (36) is installed on a groove of the sliding seat pull rope (36), the pneumatic rod pull rope (16) is installed in the groove of the pneumatic rod pull rope (16), and an operating handle (2) is connected with the chair back angle adjusting mechanism (13) through the backward-bending pull rope (15);

the operating handle (2) is connected with the cushion height adjusting mechanism (12) through the pneumatic rod pull rope (16), and the operating handle (2) is connected with the cushion front-back moving mechanism (1) through a connecting screw rod (37).

2. The multifunctional chassis with improved structure as claimed in claim 1, wherein: one end of the backward leaning pull rope (15) is fixed on the handle connecting block (20), and the other end of the backward leaning pull rope (15) penetrates through the pull rope fixing block (23) and is sleeved on the backward leaning positioning block (25).

3. The multifunctional chassis with improved structure as claimed in claim 1, wherein: corresponding salient points and grooves are arranged in the upper portion and the lower portion of the handle connecting block (20) on the operating handle (2) and in the handle upper base (21) and the handle lower base (22).

4. The multifunctional chassis with improved structure as claimed in claim 1, wherein: one end of the pneumatic rod pull rope (16) is fixed on a groove at the bottom of the handle (18), and the other end of the pneumatic rod pull rope (16) is fixed on a groove of the pneumatic rod pulling rod (28) through a pull rope fixing block (23).

5. The multifunctional chassis with improved structure as claimed in claim 1, wherein: the cushion on the cushion forward-backward moving mechanism (1) is fixed on a sliding seat fixing seat (38) through a sliding plate (30).

6. The multifunctional chassis with improved structure as claimed in claim 5, wherein: the sliding plate (30) is connected with the sliding seat fixing seat (38) through a sliding seat fixing screw (35) and a sliding gasket (31).