CN208221350U - A kind of universal joint and the Chair back containing the universal joint - Google Patents
A kind of universal joint and the Chair back containing the universal joint Download PDFInfo
- Publication number
- CN208221350U CN208221350U CN201820394555.2U CN201820394555U CN208221350U CN 208221350 U CN208221350 U CN 208221350U CN 201820394555 U CN201820394555 U CN 201820394555U CN 208221350 U CN208221350 U CN 208221350U
- Authority
- CN
- China
- Prior art keywords
- universal joint
- bulb
- backboard
- chair back
- pedestal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 43
- 210000004907 gland Anatomy 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A kind of universal joint and the Chair back containing the universal joint, belong to office chair technical field.The universal joint includes universal joint pedestal, the fixed hole post of the bulb of setting protrusion in the middle part of the universal joint pedestal, it is threadedly coupled universal joint bulb in the fixed hole post of the bulb, the universal joint bulb includes the ball screw connecting with bulb fixation hole male screw and the bulb connecting with ball screw.The universal joint of the utility model is using split-type design, of simple structure and low cost, universal good.The utility model ensure that backboard can be move freely by specific universal joint connection structure while realizing stationary backplate.The utility model backboard is connected on seat by rubber parts, passes through the multi-faceted adjusting of universal joint and two sides rubber parts being used cooperatively to realize backboard.
Description
Technical field
The utility model belongs to office chair technical field, and in particular to a kind of universal joint and the chair containing the universal joint
Back.
Background technique
The chair back automatic adjusument function of office seating is a kind of research direction for more meeting ergonomics, and the chair back can be with
As the sitting posture of user carries out comprehensive adjusting, is oppressed with reducing seat to the back of user, alleviate asking for sitting fatigue
Topic；Realize that this functional method has the deformation of own material, torsion spring, double gas bar modes at present, it is durable by material deformation adjustment
Property not can guarantee, adjusting has some setbacks and to adjust space limited；Structure is complicated for the method for the gentle bar of torsion spring, at high cost.
Utility model content
In view of the problems of the existing technology, the purpose of this utility model is that design provides a kind of universal joint and containing should
The technical solution of the Chair back of universal joint.
A kind of universal joint for Chair back, it is characterised in that including universal joint pedestal, the universal joint
The fixed hole post of the bulb of setting protrusion in the middle part of pedestal, the bulb is fixed and is threadedly coupled universal joint bulb in hole post, described
Universal joint bulb includes the ball screw connecting with bulb fixation hole male screw and the bulb connecting with ball screw.
A kind of universal joint for Chair back, it is characterised in that the universal joint pedestal and back braces cooperates
Face is equipped with positioning bar.
A kind of universal joint for Chair back, it is characterised in that the bulb fixation hole of the universal joint pedestal
Column two sides are equipped with fixation hole.
A kind of universal joint for Chair back, it is characterised in that the bulb is equipped with flat recess.
The Chair back containing universal joint, including seat, the rubber that the chair base rear end two sides pass through setting
Part connects backboard, is equipped with back braces on rear side of the backboard, the back braces bottom is fixed with seat, it is characterised in that
Cardan universal joint component is set between the backboard and back braces, and the cardan universal joint component includes universal joint pedestal and universal ball
Head, the universal joint pedestal are fixedly connected with back braces, the universal joint bulb pass through backboard after with universal joint pedestal spiral shell
Line connection, the universal joint bulb are pressed in backboard by universal joint gland fixed on backboard.
The Chair back, it is characterised in that the fixed hole post of the bulb of setting protrusion in the middle part of the universal joint pedestal,
It is threadedly coupled universal joint bulb in the fixed hole post of the bulb, the universal joint bulb includes and bulb fixation hole male screw
The ball screw of connection and the bulb being connect with ball screw.
The Chair back, it is characterised in that be bell-mouth structure of air at the backboard and the cooperation of universal joint bulb.
The Chair back, it is characterised in that the universal joint pedestal and back braces mating surface is equipped with positioning bar.
The Chair back, it is characterised in that the fixed hole post two sides of the bulb of the universal joint pedestal, which are equipped with, to be fixed
Hole.
The Chair back, it is characterised in that the bulb is equipped with flat recess.
The universal joint of the utility model is using split-type design, of simple structure and low cost, universal good.This is practical new
Type ensure that backboard can be move freely by specific universal joint connection structure while realizing stationary backplate.This is practical
Novel backboard is connected on seat by rubber parts, realizes the more of backboard by being used cooperatively for universal joint and two sides rubber parts
Orientation is adjusted.
Detailed description of the invention
Fig. 1 is the separate structure schematic diagram of universal joint in the utility model；
Fig. 2 is the schematic perspective view of universal joint in the utility model；
Fig. 3 is the configuration schematic diagram of Chair back in the utility model；
Fig. 4 is the schematic view of the front view of Chair back in the utility model；
Fig. 5 is A-A schematic cross-sectional view in Fig. 4；
Fig. 6 is universal joint installation signal enlarged drawing in the utility model.
In figure: 1- cardan universal joint component；101- universal joint pedestal；102- universal joint bulb；1011- positioning bar；1012- bulb
Fixed hole post；1013- fixation hole；1021- ball screw；1022- bulb；1023- flat recess；2- back braces；3- backboard；4- rubber
Glue part；5- seat；6- universal joint gland.
Specific embodiment
The utility model is further illustrated below in conjunction with Figure of description.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of universal joint for Chair back includes universal joint pedestal 101 and universal joint bulb
102.The bulb fixed hole post 1012 of protrusion is set in the middle part of universal joint pedestal 101, is threadedly coupled ten thousand in the fixed hole post 1012 of bulb
To section bulb 102.Universal joint bulb 102 specifically include the ball screw 1021 being threadedly coupled with the fixed hole post 1012 of bulb and
The bulb 1022 connecting with ball screw 1021, as preferred structure, ball screw 1021 and bulb 1022 are integrally formed knot
Structure.In order to facilitate the positioning of universal joint pedestal 101, universal joint pedestal 101 and 2 mating surface of back braces are equipped with positioning bar 1011.Make
For preferred structure, the setting of positioning bar 1011 is in 101 back side of universal joint pedestal setting, one circle positioning bar 1011.In order to facilitate universal joint
Pedestal 101 is fixed, and fixed 1012 two sides of hole post of the bulb of universal joint pedestal 101 are equipped with fixation hole 1013.In order to facilitate universal joint
Bulb 102 and universal joint pedestal 101 are fixed, and flat recess 1023 is arranged on bulb 1022, facilitates and tightens universal joint bulb with tool
102。
Embodiment 2
As seen in figures 3-6, a kind of Chair back containing universal joint described in embodiment 1 includes seat 5,5 rear end of seat
Two sides connect backboard 3 by the rubber parts 4 of setting, and back braces 2 are equipped on rear side of backboard 3, and 2 bottom of back braces and seat 5 are solid
It is fixed, cardan universal joint component 1 is set between backboard 3 and back braces 2.The structure of cardan universal joint component 1 is as described in Example 1 comprising
Universal joint pedestal 101 and universal joint bulb 102.The specific mounting structure of cardan universal joint component 1 are as follows: universal joint pedestal 101 and back branch
Frame 2 is fixedly connected, and universal joint bulb 102 is threadedly coupled after passing through backboard 3 with universal joint pedestal 101, and universal joint bulb 102 passes through
Fixed universal joint gland 6 is pressed in backboard 3 on backboard 3, to realize the installation of cardan universal joint component 1.As preferred structure,
It is bell-mouth structure of air at backboard 3 and 102 cooperation of universal joint bulb, facilitates the activity of cardan universal joint component 1.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and the utility model is respectively implemented
The range of example technical solution.
Claims (10)
1. a kind of universal joint for Chair back, it is characterised in that including universal joint pedestal (101), the universal joint pedestal
(101) bulb of middle part setting protrusion is fixed hole post (1012), is threadedly coupled in the bulb fixed hole post (1012) universal
It saves bulb (102), the universal joint bulb (102) includes the ball screw being threadedly coupled with bulb fixed hole post (1012)
(1021) and with ball screw (1021) bulb (1022) connecting.
2. a kind of universal joint for Chair back as described in claim 1, it is characterised in that the universal joint pedestal
(101) positioning bar (1011) are equipped with back braces (2) mating surface.
3. a kind of universal joint for Chair back as described in claim 1, it is characterised in that the universal joint pedestal
(101) fixed hole post (1012) two sides of bulb are equipped with fixation hole (1013).
4. a kind of universal joint for Chair back as described in claim 1, it is characterised in that on the bulb (1022)
Equipped with flat recess (1023).
5. containing the Chair back of universal joint as described in claim 1, including seat (5), the seat (5) rear end sides
Backboard (3) are connected by the rubber parts (4) of setting, are equipped with back braces (2) on rear side of the backboard (3), the back branch
Frame (2) bottom and seat (5) are fixed, it is characterised in that cardan universal joint component is arranged between the backboard (3) and back braces (2)
(1), the cardan universal joint component (1) includes universal joint pedestal (101) and universal joint bulb (102), the universal joint pedestal
(101) be fixedly connected with back braces (2), the universal joint bulb (102) pass through backboard (3) afterwards with universal joint pedestal (101)
It is threadedly coupled, the universal joint bulb (102) is pressed on backboard (3) by universal joint gland (6) fixed on backboard (3)
In.
6. Chair back as claimed in claim 5, it is characterised in that setting protrusion in the middle part of the universal joint pedestal (101)
Bulb is fixed hole post (1012), and the bulb is threadedly coupled universal joint bulb (102) in fixed hole post (1012), and described ten thousand
It include the ball screw (1021) and and ball screw being threadedly coupled with bulb fixed hole post (1012) to section bulb (102)
(1021) bulb (1022) connected.
7. Chair back as claimed in claim 5, it is characterised in that the backboard (3) and universal joint bulb (102) cooperates
Place is bell-mouth structure of air.
8. Chair back as claimed in claim 5, it is characterised in that the universal joint pedestal (101) is matched with back braces (2)
Conjunction face is equipped with positioning bar (1011).
9. Chair back as claimed in claim 5, it is characterised in that the fixed hole post of the bulb of the universal joint pedestal (101)
(1012) two sides are equipped with fixation hole (1013).
10. Chair back as claimed in claim 5, it is characterised in that the bulb (1022) is equipped with flat recess
(1023).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820394555.2U CN208221350U (en) | 2018-03-22 | 2018-03-22 | A kind of universal joint and the Chair back containing the universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820394555.2U CN208221350U (en) | 2018-03-22 | 2018-03-22 | A kind of universal joint and the Chair back containing the universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221350U true CN208221350U (en) | 2018-12-11 |
Family
ID=64502976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820394555.2U Expired - Fee Related CN208221350U (en) | 2018-03-22 | 2018-03-22 | A kind of universal joint and the Chair back containing the universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111466740A (en) * | 2020-04-16 | 2020-07-31 | 淮阴工学院 | Posture-correcting and vision-correcting learning chair |
-
2018
- 2018-03-22 CN CN201820394555.2U patent/CN208221350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111466740A (en) * | 2020-04-16 | 2020-07-31 | 淮阴工学院 | Posture-correcting and vision-correcting learning chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311200 No.35 Ningdong Road, Xiaoshan Economic Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Shengao Technology Co.,Ltd. Address before: 311200 No.35 Ningdong Road, Xiaoshan Economic Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SUNON FURNITURE MANUFACTURING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |