CN206600077U - A kind of backrest lock - Google Patents
A kind of backrest lock Download PDFInfo
- Publication number
- CN206600077U CN206600077U CN201720223619.8U CN201720223619U CN206600077U CN 206600077 U CN206600077 U CN 206600077U CN 201720223619 U CN201720223619 U CN 201720223619U CN 206600077 U CN206600077 U CN 206600077U
- Authority
- CN
- China
- Prior art keywords
- lock
- stay
- leaf
- strip dog
- torsion spring
- 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.)
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Abstract
The utility model discloses a kind of backrest lock, including lock housing and locking closure, the lock housing and locking closure by multiple rivets, be movably equipped with the lock housing can intermeshing lock leaf and strip dog, and lock leaf and strip dog are equipped with reduction torsion spring, it is characterized in that：Stay is also movably equipped with the lock housing, the stay can limit lock leaf activity, and stay makes the torsion spring that it is rotated clockwise equipped with foot.Pull bar or drag-line can be installed on the mounting hole of the utility model strip dog, pull bar or drag-line is pulled to rotate counterclockwise strip dog during unblock, the transmission rivet and chute of strip dog, which coordinate, simultaneously makes stay rotate counterclockwise disengaging lock leaf, lock leaf is rotated counterclockwise and unlocked under the active force of reduction torsion spring, lock leaf, strip dog, stay three coordinates so that unblock stroke is smaller, and unlocks more laborsaving.
Description
Technical field
The utility model is related to a kind of backrest lock.
Background technology
At present, in the market provide backrest lock generally comprise lock housing and locking closure, lock housing and locking closure by multiple rivets,
Being movably equipped with lock housing intermeshing can lock leaf and strip dog, and lock leaf and strip dog are equipped with reduction torsion spring, this to lean on
The power that lockback needs when unlocking is larger, and unblock stroke is longer, and unblock is not enough facilitated.
The content of the invention
In view of the deficiency of background technology, it is smaller that technical problem to be solved in the utility model is to provide a kind of unblock stroke
And more labour-saving backrest lock.
Therefore, the utility model adopts the following technical scheme that to realize：
A kind of backrest lock, including lock housing and locking closure, the lock housing and locking closure are living in the lock housing by multiple rivets
Dynamic be provided with intermeshing can lock leaf and strip dog, and lock leaf and strip dog are equipped with reduction torsion spring, it is characterized in that：The lock
Stay is also movably equipped with shell, the stay can limit lock leaf activity, and stay rotates clockwise it equipped with foot
Torsion spring.
The strip dog is provided with the chute with being driven rivets, the lock provided with transmission rivet, the stay
Stay one end is against on lock leaf when leaf is in locking state.
The strip dog is provided with mounting hole.
Pulled after adopting the above technical scheme, pull bar or drag-line can be installed on the mounting hole of strip dog, during unblock pull bar or
Drag-line rotates counterclockwise strip dog, stay is rotated counterclockwise disengaging lock while the transmission rivet and chute of strip dog coordinate
Leaf, lock leaf is rotated counterclockwise and unlocked under the active force of reduction torsion spring, and lock leaf, strip dog, stay three, which coordinate, causes solution
Lock stroke smaller, and unlock more laborsaving.
Brief description of the drawings
The utility model has drawings described below：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation that the utility model removes locking closure.
Embodiment
Shown referring to Figures 1 and 2, a kind of backrest lock that the utility model is provided includes lock housing 1 and locking closure 2, lock housing 1 and lock
Lid 2 is riveted by multiple rivets 3, and being movably equipped with lock housing 1 intermeshing can lock leaf 4 and strip dog 5, and lock leaf 4 and stop
Hook 5 is equipped with reduction torsion spring 6, lock housing 1 being also movably equipped with stay 7, and stay 7 can limit the activity of lock leaf 4, and stay
7 make the torsion spring 8 that it is rotated clockwise equipped with foot, and strip dog 5 is provided with transmission rivet 9, and stay 7 is provided with and transmission rivet
9 chutes 10 coordinated, the one end of stay 7 is against on lock leaf 4 when lock leaf 4 is in locking state, and strip dog 5 is provided with mounting hole
11。
In the present embodiment, pull bar or drag-line can be installed on the mounting hole 11 of strip dog 5, pull bar or drag-line is pulled during unblock
Strip dog 5 is rotated counterclockwise, stay 7 is rotated counterclockwise disengaging while the transmission rivet 9 and chute 10 of strip dog 5 coordinate
Leaf 4 is locked, lock leaf 4 is rotated counterclockwise and unlocked under the active force of reduction torsion spring 6, and lock leaf 4, strip dog 5, the three of stay 7 match somebody with somebody
Close and make it that unblock stroke is smaller, and unlock more laborsaving.
Claims (3)
1. a kind of backrest lock, including lock housing and locking closure, the lock housing and locking closure are by multiple rivets, activity in the lock housing
Provided with can intermeshing lock leaf and strip dog, and lock leaf and strip dog are equipped with reduction torsion spring, it is characterized in that：The lock housing
Stay is inside also movably equipped with, the stay can limit lock leaf activity, and stay makes what it was rotated clockwise equipped with foot
Torsion spring.
2. a kind of backrest lock according to claim 1, it is characterized in that：The strip dog is provided with transmission rivet, the lock
Tight piece is provided with the chute with being driven rivets, and stay one end is against on lock leaf when the lock leaf is in locking state.
3. a kind of backrest lock according to claim 2, it is characterized in that：The strip dog is provided with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720223619.8U CN206600077U (en) | 2017-03-09 | 2017-03-09 | A kind of backrest lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720223619.8U CN206600077U (en) | 2017-03-09 | 2017-03-09 | A kind of backrest lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206600077U true CN206600077U (en) | 2017-10-31 |
Family
ID=60147405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720223619.8U Active CN206600077U (en) | 2017-03-09 | 2017-03-09 | A kind of backrest lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206600077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021003745A1 (en) * | 2019-07-11 | 2021-01-14 | 海能达通信股份有限公司 | Rapid fixing device and communication assembly |
-
2017
- 2017-03-09 CN CN201720223619.8U patent/CN206600077U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021003745A1 (en) * | 2019-07-11 | 2021-01-14 | 海能达通信股份有限公司 | Rapid fixing device and communication assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |