CN208842263U - Chair backrest angle adjuster return torsion member and its component - Google Patents
Chair backrest angle adjuster return torsion member and its component Download PDFInfo
- Publication number
- CN208842263U CN208842263U CN201821116248.4U CN201821116248U CN208842263U CN 208842263 U CN208842263 U CN 208842263U CN 201821116248 U CN201821116248 U CN 201821116248U CN 208842263 U CN208842263 U CN 208842263U
- Authority
- CN
- China
- Prior art keywords
- backrest
- straight line
- seat frame
- torque rod
- line torque
- 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
- 238000005452 bending Methods 0.000 claims description 11
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a kind of chair backrest angle adjuster return torsion member, straight line torque rod including being located at middle part, the straight line torque rod is horizontally disposed, the straight line torque rod both ends are connected separately with backrest fastening portion and seat frame lock segments, and the backrest fastening portion and seat frame lock segments are relatively rotated around the center line of the straight line torque rod.Using the utility model has the beneficial effects that, backrest fastening portion and seat frame lock segments are connected with backrest and seat frame respectively, when backrest is rotated relative to seat frame, elastic deformation occurs for straight line torque rod, when the release of the locking piece of backrest, under the twisting force of straight line torque rod, backrest resets, compared to traditional torsional spring or wind spring component, the occupy-place to space at angle adjustor can be reduced, entire torsion member is simple for structure reliable, and the rotary balance at left and right sides of backrest may be implemented by the torsion component that symmetrically arranged two torsion members form.
Description
Technical field
The utility model relates to bus seat twist connections, and in particular to a kind of chair backrest angle adjuster return torsion member
And its component.
Background technique
Motor vehicle seat back angular adjustment is realized generally by governor assembly.After adjustment angle, pass through reset portion
Part realizes that the return of backrest, common reset components are torsional spring.However the installation of torsional spring is so that chair framework corresponding construction becomes
Complexity, assembly efficiency reduce, and it is difficult to ensure that the restoring force of seat two sides torsional spring is consistent with recoil state, there are a backrest left sides
Right two sides reset unbalanced problem.Therefore, it is necessary to which optimization design reset components, simplify structure and technique, improves seat and lean on
Carry on the back the balance of the left and right sides.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of chair backrest angle adjuster return torsion member and its group
Part.
Technical solution is as follows:
A kind of chair backrest angle adjuster return torsion member, it is critical that including the straight line torque rod positioned at middle part, this is straight
Line torque rod is horizontally disposed, which is connected separately with backrest fastening portion and seat frame lock segments；
The backrest fastening portion and seat frame lock segments are relatively rotated around the center line of the straight line torque rod.
Using the above design, the advantage is that backrest fastening portion and seat frame lock segments respectively with backrest and seat frame phase
Even, when backrest is rotated relative to seat frame, elastic deformation occurs for straight line torque rod, when the release of the locking piece of backrest, turns round in straight line
Under the twisting force of bull stick, backrest resets, and compared to traditional torsion spring member, entire torsion member is simple for structure reliable.
As optimal technical scheme, above-mentioned backrest fastening portion includes backrest arm bar, one end of the backrest arm bar and institute
State one end connection of straight line torque rod, and 0 ° of angle > of the backrest arm bar and the straight line torque rod；
The seat frame lock segments include seat frame arm bar, and one end of the seat frame arm bar is another with the straight line torque rod
End is connected, and 0 ° of angle > of the seat frame arm bar and the straight line torque rod.
Using the above design, it the advantage is that setting backrest arm bar and seat frame arm bar can increase the deformation of torsion member
Degree and reset force.
As optimal technical scheme, above-mentioned backrest fastening portion further includes backrest clamping bar, one end of the backrest clamping bar with
The other end of the backrest arm bar is connected, and the other end of the backrest clamping bar is connected with backrest butting section.
Using the above design, it the advantage is that the both ends of backrest clamping bar are leaned against on front side of the inner wall of backrest side pipe respectively with after
Side facilitates backrest fastening portion to be bonded with backrest side pipe.
Plane and the straight line torque rod as optimal technical scheme, where above-mentioned backrest arm bar and backrest clamping bar
Central axis.
Using the above design, it is by the return torque of torsion member always perpendicular to straight line when the advantage is that backrest rotation
Torque rod, the efficiency of generation return torsion avoids left and right directions from shaking so that rotation process is stablized when improving torsion member deformation.
As optimal technical scheme, it is additionally provided with " V " shape bending between above-mentioned backrest arm bar and the straight line torque rod, it should
One end of " V " shape bending is connected with the end of the straight line torque rod, the other end of the " V " shape bending and the backrest arm bar
End be connected.
Using the above design, it the advantage is that and torsion member is facilitated to be fastened in backrest lower beam, to realize firm installation.
As optimal technical scheme, above-mentioned seat frame lock segments further include seat frame arm of force extension rod, the seat frame arm of force extension rod
One end be connected with the other end of the seat frame arm bar, the seat frame arm bar is vertical with the straight line torque rod.
Using the above design, when the advantage is that backrest rotation, the return torque of torsion member is reversed perpendicular to straight line always
Bar generates the efficiency of return torsion when improving torsion member deformation, and rotation process is stablized, and left and right directions is avoided to shake.
As optimal technical scheme, above-mentioned seat frame lock segments further include " u "-shaped pin, the " u "-shaped pin and the seat frame arm of force
The other end of extension rod is connected.
Using the above design, it the advantage is that and seat frame lock segments is facilitated to connect with seat frame.
As optimal technical scheme, above-mentioned straight line torque rod, backrest fastening portion and seat frame lock segments are integrally formed.
Using the above design, it the advantage is that molding is simple, improve the reliability of torsion member.
A kind of chair backrest angle adjuster return torsion component, it is critical that including two torsion members, described in two
The straight line torque rod horizontal Tile of torsion member is arranged, and two torsion members are in pair about the midpoint of the straight line torque rod
Claim distribution.
Using the above design, guarantor when symmetrically arranged two torsion members can guarantee rotation at left and right sides of backrest the advantage is that
Hold synchronization, equalising torque.
As optimal technical scheme, the surface of two straight line torque rods is coated with noise reducing sleeve.
Using the above design, it the advantage is that and avoid generating friction abnormal sound in rotation process between two torsion members.
The utility model has the advantages that using the utility model has the beneficial effects that backrest fastening portion and seat frame lock segments respectively with seat
Backrest is connected with seat frame, and when backrest is rotated relative to seat frame, elastic deformation occurs for straight line torque rod, when the locking piece of backrest discharges
When, under the twisting force of straight line torque rod, backrest resets, and exchanges compared to traditional torsional spring or wind spring component, reduction
The occupy-place in the angle space Qi Chu, entire torsion member is simple for structure reliable, the torsion group being made up of symmetrically arranged two torsion members
The rotary balance at left and right sides of backrest may be implemented in part.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of torsion member；
Fig. 2 is the structural schematic diagram for reversing component；
Fig. 3 is A-A ' cross-sectional view in Fig. 2；
Fig. 4 is the scheme of installation for reversing component and being set in chair framework.
Specific embodiment
Below with reference to embodiment and attached drawing, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, a kind of chair backrest angle adjuster return torsion member, the straight line torque rod 1 including being located at middle part, this is straight
Line torque rod 1 is horizontally disposed, which is connected separately with backrest fastening portion 2 and seat frame lock segments 3, described to lean on
The center line that fastening portion 2 and seat frame lock segments 3 are carried on the back around the straight line torque rod 1 relatively rotates.
The backrest fastening portion 2 includes backrest arm bar 2a, one end of backrest arm bar 2a and the straight line torque rod 1
One end connection, and 0 ° of angle > of the backrest arm bar 2a and the straight line torque rod 1, the seat frame lock segments 3 include
One end of seat frame arm bar 3a, seat frame arm bar 3a are connected with the other end of the straight line torque rod 1, and the seat frame arm of force
0 ° of angle > of bar 3a and the straight line torque rod 1.
The backrest fastening portion 2 further includes backrest clamping bar 2b, one end of backrest clamping bar 2b and the backrest arm of force
The other end of bar 2a is connected, and the other end of backrest clamping bar 2b is connected with backrest butting section 2c, it is preferable that backrest clamping bar 2b
Angle with the backrest arm bar 2a is at 90 ° or so.Also, it is flat where the backrest arm bar 2a and backrest clamping bar 2b
The central axis in face and the straight line torque rod 1.
It is additionally provided with " V " shape bending 5 between the backrest arm bar 2a and the straight line torque rod 1, the " V " shape bending 4
One end is connected with the end of the straight line torque rod 1, the end of the other end of the " V " shape bending 4 and the backrest arm bar 2a
It is connected.
The seat frame lock segments 3 further include seat frame arm of force extension rod 3b, one end of seat frame arm of force extension rod 3b with it is described
The other end of seat frame arm bar 3a is connected, and the seat frame arm bar 3a is vertical with the straight line torque rod 1.The seat frame lock segments 3
It further include " u "-shaped pin 3c, which is connected with the other end of the seat frame arm of force extension rod 3b.
The straight line torque rod 1, backrest fastening portion 2 and seat frame lock segments 3 are integrally formed, specifically, by an one metal wire
Bending obtains.
Embodiment 2:
A kind of chair backrest angle adjuster return torsion component, as shown in Figures 2 and 3, including two torsions described in embodiment 1
Part, 1 horizontal Tile of the straight line torque rod setting of two torsion members, two torsion members are reversed about the straight line
The midpoint of bar 1 is symmetric, and the surface of two straight line torque rods 1 is coated with noise reducing sleeve 5.As shown in figure 4, the torsion
Turn component to be arranged along the lower beam of seat back-rest framework, by round-corner transition, which is supported for the turning point of " V " shape bending 5
Lean against the inner wall of backrest lower beam.The backrest clamping bar 2b is clamped on the inner cavity of backrest side pipe, and the " u "-shaped pin 3c is fastened in
On angle adjustor lower linking plate, to be connected with seat frame.
Finally, it should be noted that foregoing description is only the preferred embodiment of the utility model, the common skill of this field
Art personnel are under the enlightenment of the utility model, under the premise of without prejudice to the utility model aims and claim, can make
Multiple similar expressions, such transformation are each fallen within the protection scope of the utility model.
Claims (10)
1. a kind of chair backrest angle adjuster return torsion member, it is characterised in that: the straight line torque rod (1) including being located at middle part, it should
Straight line torque rod (1) is horizontally disposed, which is connected separately with backrest fastening portion (2) and seat frame lock segments
(3)；
The backrest fastening portion (2) and seat frame lock segments (3) are relatively rotated around the center line of the straight line torque rod (1).
2. chair backrest angle adjuster return torsion member according to claim 1, it is characterised in that: the backrest fastening portion
It (2) include backrest arm bar (2a), one end of the backrest arm bar (2a) is connect with one end of the straight line torque rod (1), and
0 ° of angle > of the backrest arm bar (2a) and the straight line torque rod (1)；
The seat frame lock segments (3) include seat frame arm bar (3a), and one end of the seat frame arm bar (3a) and the straight line reverse
The other end of bar (1) is connected, and 0 ° of angle > of the seat frame arm bar (3a) and the straight line torque rod (1).
3. chair backrest angle adjuster return torsion member according to claim 2, it is characterised in that: the backrest fastening portion
It (2) further include backrest clamping bar (2b), the other end phase of one end of the backrest clamping bar (2b) and the backrest arm bar (2a)
Even, the other end of the backrest clamping bar (2b) is connected with backrest butting section (2c).
4. chair backrest angle adjuster return torsion member according to claim 3, it is characterised in that: the backrest arm bar
The central axis of plane and the straight line torque rod (1) where (2a) and backrest clamping bar (2b).
5. chair backrest angle adjuster return torsion member according to claim 4, it is characterised in that: the backrest arm bar
" V " shape bending (4) are additionally provided between (2a) and the straight line torque rod (1), one end of the " V " shape bending (4) and the straight line
The end of torque rod (1) is connected, and the other end of the " V " shape bending (4) is connected with the end of the backrest arm bar (2a).
6. according to chair backrest angle adjuster return torsion member described in claim 2~5 any one, it is characterised in that: described
Seat frame lock segments (3) further include seat frame arm of force extension rod (3b), one end of the seat frame arm of force extension rod (3b) and the seat frame power
The other end of armed lever (3a) is connected, and the seat frame arm bar (3a) is vertical with straight line torque rod (1).
7. chair backrest angle adjuster return torsion member according to claim 6, it is characterised in that: the seat frame lock segments
It (3) further include " u "-shaped pin (3c), which is connected with the other end of the seat frame arm of force extension rod (3b).
8. chair backrest angle adjuster return torsion member according to claim 7, it is characterised in that: the straight line torque rod
(1), backrest fastening portion (2) and seat frame lock segments (3) are integrally formed.
9. a kind of chair backrest angle adjuster return reverses component, it is characterised in that: including two as described in requiring 1~8 any one
Torsion member, straight line torque rod (1) horizontal Tile setting of two torsion members, two torsion members are about described
The midpoint of straight line torque rod (1) is symmetric.
10. chair backrest angle adjuster return according to claim 9 reverses component, it is characterised in that: two straight lines
The surface of torque rod (1) is coated with noise reducing sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116248.4U CN208842263U (en) | 2018-07-13 | 2018-07-13 | Chair backrest angle adjuster return torsion member and its component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116248.4U CN208842263U (en) | 2018-07-13 | 2018-07-13 | Chair backrest angle adjuster return torsion member and its component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208842263U true CN208842263U (en) | 2019-05-10 |
Family
ID=66353178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821116248.4U Expired - Fee Related CN208842263U (en) | 2018-07-13 | 2018-07-13 | Chair backrest angle adjuster return torsion member and its component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208842263U (en) |
-
2018
- 2018-07-13 CN CN201821116248.4U patent/CN208842263U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108963934A (en) | A kind of conducting wire Pre-Cutter-Type Anti-Vibration Hammer | |
| CN208842263U (en) | Chair backrest angle adjuster return torsion member and its component | |
| CN220353193U (en) | Angle-adjustable grille curtain wall | |
| CN110043167A (en) | The mounting structure of aluminum alloy doors and windows corner | |
| CN215590546U (en) | Double angle regulator back unlocking mechanism | |
| CN210768080U (en) | Connecting hardware fitting and composite cross arm | |
| CN211599377U (en) | Composite parallel arc spring for automobile | |
| CN219204045U (en) | Improved UB type tower-connecting hanging plate | |
| CN109814273B (en) | Elastic hinge and glasses adopting same | |
| CN219262962U (en) | Multi-angle bending hinge | |
| CN208870433U (en) | A kind of support device for prefabricated post | |
| CN108501678B (en) | Engine vibration reduction support | |
| CN206644681U (en) | Sliding rail of automobile seat lockable mechanism | |
| CN206888174U (en) | A kind of Modular assembled construction steel structure | |
| CN216975476U (en) | Novel connecting rod stable in use for vehicle | |
| CN107650743B (en) | A kind of universal unlocking structure of seat slide | |
| CN208745799U (en) | Regulation handle mounting base | |
| CN220666897U (en) | Scaffold connecting piece capable of adjusting angle bidirectionally | |
| CN208331450U (en) | A kind of communication base station angle steel tower ventilation duct clamp device | |
| CN204915393U (en) | Back skeleton behind split type car seat and middle pivot anticreep mechanism thereof | |
| CN220869957U (en) | Rotatable oil pipe shock absorber | |
| CN109525170A (en) | A kind of fixed structure suitable for solar double-glass assemblies | |
| CN220209926U (en) | Novel improve lightning protection overhead line of structure | |
| CN215886126U (en) | Safe type tower crane standard festival | |
| CN215926685U (en) | Scaffold frame pole setting quick connect fixing device for building engineering |
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: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Patentee after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Patentee before: Chongqing Yanfeng Johnson Automotive Parts System 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: 20190510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |