CN219528674U - Handle door lock - Google Patents
Handle door lock Download PDFInfo
- Publication number
- CN219528674U CN219528674U CN202320637104.8U CN202320637104U CN219528674U CN 219528674 U CN219528674 U CN 219528674U CN 202320637104 U CN202320637104 U CN 202320637104U CN 219528674 U CN219528674 U CN 219528674U
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- handle
- square shaft
- door lock
- outer handle
- end part
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Abstract
The utility model discloses a handle door lock, which comprises an inner handle and an outer handle, wherein the inner handle and the outer handle are linked through a square shaft, and a back locking assembly is arranged in the inner handle; the outer handle is sequentially provided with a linkage cam, a square shaft connecting sleeve and a compression spring from inside to outside, wherein the linkage cam is rotatably arranged in the outer handle, and one end part of the linkage cam is linked with the counter lock assembly; the square shaft connecting sleeve is arranged in the outer handle in a sliding manner, a protruding part is arranged at one end part facing the linkage cam, and a plugging hole for plugging the square shaft is arranged at the other end part; the interlocking cam is driven to rotate only through the counter-locking assembly, so that the protruding part of the square shaft connecting sleeve is staggered with the interlocking cam, and the square shaft connecting sleeve can slide back to one end of the square shaft under the driving of the compression spring and is separated from the square shaft; the outer handle and the square shaft are rotated relatively, and the outer handle can only idle and can not drive the square shaft to rotate for unlocking; even by strongly pressing down the outer handle, the door lock is not damaged.
Description
Technical Field
The utility model relates to the technical field of door locks, in particular to a handle door lock.
Background
The door lock is a common door protection device for preventing illegal invasion, and generally comprises an inner handle and an outer handle which are linked through a square shaft, wherein a back locking assembly is generally arranged on the inner handle, and the back locking assembly is operated to control a locking assembly in the door lock to lock the outer handle, so that a person outside the door cannot open the door by rotating the outer handle;
the Chinese patent publication No. CN216110120U discloses a rack type back locking mechanism of a door lock, which comprises an inner door handle and an outer door handle which are connected through a square shaft, wherein the inner door handle is provided with a back locking assembly, and the outer door handle is provided with a locking assembly, wherein the back locking assembly can drive the locking assembly to limit the outer door handle to rotate;
the locking assembly comprises a square shaft sleeve, a locking cam and a locking ball matched with the locking cam, one end part of the square shaft sleeve is fixedly connected with the door outer handle, and the other end part of the square shaft sleeve penetrates through a locking seat of the outer panel to be connected with the square shaft; the locking cam is rotatably arranged in Fang Zhoutao, and one end part of the locking cam is connected with the rotating rod; when the rotating rod drives the locking cam to rotate, the locking cam drives the locking balls to be extruded outwards, so that part of the locking balls pass through the ball holes of the square shaft sleeve and are arranged in the locking grooves of the locking seat; locking the door outer handle on the locking seat to limit the door outer handle to rotate on the outer panel; so that people cannot rotate the door outer handle, and thus door opening operation cannot be performed; the door outer handle of the door lock is always connected with the square shaft, and the door lock is locked in a mode of locking the door outer handle; when a person outside the door adopts strong force to rotate the door outer handle, the locking mode easily causes the problems of abrasion or damage of parts such as locking balls, locking cams and the like in the door lock; meanwhile, potential safety hazards exist.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a handle door lock.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the handle door lock comprises an inner handle and an outer handle, wherein the inner handle and the outer handle are linked through a square shaft, and a back locking assembly is arranged in the inner handle; the outer handle is sequentially provided with a linkage cam, a square shaft connecting sleeve and a compression spring from inside to outside, wherein the linkage cam is rotatably arranged in the outer handle, and one end part of the linkage cam is linked with the counter lock assembly;
the square shaft connecting sleeve is arranged in the outer handle in a sliding manner, a protruding part is arranged at one end part facing the linkage cam, and a plugging hole for plugging the square shaft is arranged at the other end part;
the reverse locking assembly makes the bulge of the square shaft connecting sleeve staggered with the linkage cam by driving the linkage cam to rotate, and the square shaft connecting sleeve can slide back to one end of the square shaft under the driving of the compression spring and is separated from the square shaft.
The utility model further provides that: the linkage cam is provided with a positioning groove which is matched with the protruding part.
The utility model further provides that: the other end of the linkage cam is connected with a lock cylinder on the outer handle.
The utility model further provides that: the outside wall of square shaft adapter sleeve outwards is protruding to be provided with the guide block, inwards sunken being provided with the guide way on the inside wall of outer handle, the guide block slides along the guide way.
The utility model further provides that: the front end of the outer handle is connected with an outer handle head which can rotate relative to the square shaft.
The utility model further provides that: one end of the reset torsion spring is abutted against the square shaft connecting sleeve, and the other end of the reset torsion spring is abutted against the outer handle head.
The utility model further provides that: the locking assembly comprises a linkage rod and a locking rotating piece which is rotatably arranged on the inner handle, one end part of the linkage rod is connected with the locking rotating piece, and the other end part of the linkage rod penetrates through the square shaft and is connected with the linkage cam;
and the reverse locking rotating piece is rotated and can drive the linkage cam to rotate through the linkage rod.
The utility model further provides that: the anti-lock assembly further comprises an anti-lock button for driving the anti-lock rotating piece to rotate, and a spiral groove is formed in the outer side wall of the anti-lock rotating piece;
one end part of the back-locking button is provided with a pressing rod matched with the spiral groove, and the pressing part at the other end part is arranged on the side wall of the inner handle in a sliding manner, and the back-locking rotating piece can be driven to rotate in the inner handle by pressing the pressing part.
The utility model further provides that: the inner side of the inner handle is provided with a button window, and the pressing part penetrates out of the button window, so that the pressing part and the holding part of the inner handle are positioned on the same side.
The utility model further provides that: the front end part of the inner handle is connected with an inner handle head, one end part of the inner handle head is connected with the square shaft, and the other end part of the inner handle head is provided with a mounting cavity for mounting the anti-lock rotating piece.
The utility model has the beneficial effects that: the outer handle of the handle door lock is sequentially provided with a linkage cam, a square shaft connecting sleeve and a compression spring from inside to outside, wherein the square shaft connecting sleeve is arranged in the outer handle in a sliding manner, one end part facing the linkage cam is provided with a protruding part, and the other end part is connected with the square shaft through a plug hole; when the external handle is reversely locked, the interlocking cam is driven to rotate only through the reverse locking assembly, so that the convex part of the square shaft connecting sleeve is staggered with the interlocking cam, and the square shaft connecting sleeve can slide back to one end of the square shaft under the driving of the compression spring and is separated from the square shaft; so that the outer handle and the square shaft relatively rotate, and when the outer handle is pressed down, the outer handle can only idle, but can not drive the square shaft to rotate for unlocking operation; even if an outdoor person presses down the outer handle by a strong force, the fittings in the door lock cannot be damaged, so that the door lock fittings are better protected, and the service life of the door lock is prolonged.
Drawings
FIG. 1 is a schematic view of a handle door lock according to the present utility model;
FIG. 2 is an exploded view of a handle door lock of the present utility model;
FIG. 3 is an internal construction view of a back-locking state of a handle door lock according to the present utility model;
FIG. 4 is an internal construction view of an unlocked state of a handle door lock according to the present utility model;
FIG. 5 is a view showing the cooperation of the linkage cam and the square shaft connecting sleeve of the handle door lock;
FIG. 6 is a mating view of a counter lock assembly and a linked cam of a handle door lock of the present utility model;
FIG. 7 is a view showing the cooperation of the counter-lock rotator and counter-lock button of a handle door lock according to the present utility model;
FIG. 8 is a schematic view of the structure of the inner handle of a handle door lock according to the present utility model;
FIG. 9 is a schematic view of a square shaft of a handle door lock according to the present utility model;
reference numerals illustrate: 1. an inner handle; 11. a button window; 12. a counter lock assembly; 121. locking the rotating piece; 1211. a spiral groove; 122. a linkage rod; 123. a back lock button; 1231. a pressing rod; 1232. a pressing part; 13. an inner handle head; 131. a mounting cavity; 2. an outer handle; 21. a linked cam; 211. a positioning groove; 22. the square shaft connecting sleeve; 221. a boss; 222. a plug hole; 223. a guide block; 23. a compression spring; 24. a guide groove; 25. a lock core; 26. an outer handle head; 3. a square shaft; 31. an upper rounded end; 32. and the lower round end part.
Detailed Description
A handle door lock according to the present utility model will be described in further detail with reference to fig. 1 to 9.
A handle door lock comprises an inner handle 1 and an outer handle 2, wherein the inner handle 1 is arranged on the inner side of a door plate, and the outer handle 2 is arranged on the outer side of the door plate; the inner handle 1 and the outer handle 2 are linked through a square shaft 3, the square shaft 3 is provided with an upper round end part 31 and a lower round end part 32, and a back locking assembly 12 is arranged in the inner handle 1; the outer handle 2 is sequentially provided with a linkage cam 21, a square shaft connecting sleeve 22 and a compression spring 23 from inside to outside, the linkage cam 21 is rotatably arranged in the outer handle 2, one end part of the linkage cam is linked with the counter lock assembly 12, and the other end part of the linkage cam 21 is connected with a lock cylinder 25 on the outer handle 2; the square shaft connecting sleeve 22 is slidably arranged in the outer handle 2, a protruding part 221 is arranged at one end part facing the linkage cam 21, and a plugging hole 222 for plugging the square shaft 3 is arranged at the other end part; when the external handle 2 is reversely locked, a person in the door can open the lock cylinder 25 through the reverse locking assembly 12 or a person outside the door can drive the linkage cam 21 to rotate through the key, so that the convex part 221 of the square shaft connecting sleeve 22 is staggered with the linkage cam 21, the square shaft connecting sleeve 22 can slide back to one end of the square shaft 3 under the drive of the compression spring 23, and the square shaft connecting sleeve 22 is sleeved on the upper round end part 31 of the square shaft 3, so that the square shaft connecting sleeve 22 can rotate relative to the square shaft 3; so that the outer handle 2 and the square shaft 3 relatively rotate, and when the outer handle 2 is pressed down, the outer handle 2 can only idle, but can not drive the square shaft 3 to rotate for unlocking operation; even if a person outside the door presses down the outer handle 2 by a strong force, accessories in the door lock are not damaged, so that the door lock accessories are better protected, and the service life of the door lock is prolonged;
when the counter lock assembly 12 or the lock cylinder 25 drives the linkage cam 21 to reversely rotate, the linkage cam 21 can outwards press the protruding part 221, so that the square shaft connecting sleeve 22 outwards slides, the inserting hole 222 is matched with the square shaft 3 again, and meanwhile, the compression spring 23 is outwards compressed to store energy for the next counter lock; so that people can unlock the door lock by rotating the outer handle 2 and driving the square shaft 3 to rotate.
In order to better position the linkage cam 21, a positioning groove 211 is arranged on the linkage cam 21, and the positioning groove 211 is matched with the protruding part 221; the protrusion 221 is matched with the positioning groove 211, so that the linkage cam 21 is prevented from rotating automatically, and the protrusion 221 and the linkage cam 21 are staggered, so that the door lock is prevented from being locked automatically.
In order to enable the square shaft connecting sleeve 22 to slide back and forth on the outer handle 2 more smoothly, a guide block 223 is arranged on the outer side wall of the square shaft connecting sleeve 22 in an outward protruding mode, a guide groove 24 is arranged on the inner side wall of the outer handle 2 in an inward sinking mode, and the guide block 223 slides along the guide groove 24; meanwhile, the guide block 223 and the guide groove 24 are matched to limit the relative rotation of the square shaft connecting sleeve 22 and the outer handle 2, so that the stability of the door lock structure is improved.
Wherein the front end of the outer handle 2 is connected with an outer handle head 26, and the outer handle head 26 is sleeved on the lower round end 32 of the square shaft, so that the outer handle head 26 can rotate relative to the square shaft 3; one end of the reset torsion spring is abutted against the square shaft connecting sleeve 22, and the other end is abutted against the outer handle head 26; when the door lock is assembled, the lock cylinder 25, the linkage cam 21, the square shaft connecting sleeve 22 and the compression spring 23 are sequentially arranged in the outer handle 2, and the outer handle head 26 is used for sealing, so that the assembling operation is simple and quick.
Wherein the back lock assembly 12 comprises a linkage rod 122 and a back lock rotating member 121, one end part of the linkage rod 122 is connected with the back lock rotating member 121, and the other end part passes through the square shaft 3 and is connected with the linkage cam 21; the front end part of the inner handle 1 is connected with an inner handle head 13, one end part of the inner handle head 13 is connected with the square shaft 3, the other end part is provided with a mounting cavity 131 for mounting a back locking rotating piece 121, and the back locking rotating piece 121 is mounted in the mounting cavity 131; the locking assembly 12 further comprises a locking button 123 for driving the locking rotating member 121 to rotate, and a spiral groove 1211 is formed on the outer side wall of the locking rotating member 121; the pressing rod 1231 matched with the spiral groove 1211 is arranged at one end of the back-locking button 123, the pressing part 1232 at the other end is slidably arranged on the side wall of the inner handle 1, when the back-locking of the door lock is realized through the back-locking assembly 12, the back-locking rotating member 121 is driven to rotate in the inner handle 1 only by pressing the pressing part 1232, the back-locking rotating member 121 drives the linkage cam 21 to rotate through the linkage rod 122, the relative position of the linkage cam 21 and the protruding part 221 is changed, the back-locking and unlocking operations are realized, and the operation is simple and convenient.
In order to facilitate the operation of the back lock button 123, a button window 11 is provided on the inner side of the inner handle 1, and the pressing portion 1232 is penetrated out from the button window 11 such that the pressing portion 1232 is positioned on the same side as the grip portion of the inner handle 1; an operator only needs to hold the inner handle 1 with one hand and lightly dial the pressing part 1232 inwards or outwards by fingers, so that the door lock can be locked or unlocked; the experience of the door lock user is better.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (10)
1. The handle door lock comprises an inner handle and an outer handle, wherein the inner handle and the outer handle are linked through a square shaft, and a back locking assembly is arranged in the inner handle; the method is characterized in that: the outer handle is sequentially provided with a linkage cam, a square shaft connecting sleeve and a compression spring from inside to outside, wherein the linkage cam is rotatably arranged in the outer handle, and one end part of the linkage cam is linked with the counter lock assembly;
the square shaft connecting sleeve is arranged in the outer handle in a sliding manner, a protruding part is arranged at one end part facing the linkage cam, and a plugging hole for plugging the square shaft is arranged at the other end part;
the reverse locking assembly makes the bulge of the square shaft connecting sleeve staggered with the linkage cam by driving the linkage cam to rotate, and the square shaft connecting sleeve can slide back to one end of the square shaft under the driving of the compression spring and is separated from the square shaft.
2. The handle door lock according to claim 1, wherein: the linkage cam is provided with a positioning groove which is matched with the protruding part.
3. A handle door lock according to claim 1 or 2, characterized in that: the other end of the linkage cam is connected with a lock cylinder on the outer handle.
4. A handle door lock according to claim 1 or 2, characterized in that: the outside wall of square shaft adapter sleeve outwards is protruding to be provided with the guide block, inwards sunken being provided with the guide way on the inside wall of outer handle, the guide block slides along the guide way.
5. The handle door lock according to claim 4, wherein: the front end of the outer handle is connected with an outer handle head which can rotate relative to the square shaft.
6. The handle door lock according to claim 5, wherein: one end of the compression spring is abutted against the square shaft connecting sleeve, and the other end of the compression spring is abutted against the outer handle head.
7. A handle door lock according to claim 1 or 2, characterized in that: the locking assembly comprises a linkage rod and a locking rotating piece which is rotatably arranged on the inner handle, one end part of the linkage rod is connected with the locking rotating piece, and the other end part of the linkage rod penetrates through the square shaft and is connected with the linkage cam;
and the reverse locking rotating piece is rotated and can drive the linkage cam to rotate through the linkage rod.
8. The handle door lock according to claim 7, wherein: the anti-lock assembly further comprises an anti-lock button for driving the anti-lock rotating piece to rotate, and a spiral groove is formed in the outer side wall of the anti-lock rotating piece;
one end part of the back-locking button is provided with a pressing rod matched with the spiral groove, and the pressing part at the other end part is arranged on the side wall of the inner handle in a sliding manner, and the back-locking rotating piece can be driven to rotate in the inner handle by pressing the pressing part.
9. The handle door lock according to claim 8, wherein: the inner side of the inner handle is provided with a button window, and the pressing part penetrates out of the button window, so that the pressing part and the holding part of the inner handle are positioned on the same side.
10. The handle door lock according to claim 7, wherein: the front end part of the inner handle is connected with an inner handle head, one end part of the inner handle head is connected with the square shaft, and the other end part of the inner handle head is provided with a mounting cavity for mounting the anti-lock rotating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320637104.8U CN219528674U (en) | 2023-03-23 | 2023-03-23 | Handle door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320637104.8U CN219528674U (en) | 2023-03-23 | 2023-03-23 | Handle door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219528674U true CN219528674U (en) | 2023-08-15 |
Family
ID=87644306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320637104.8U Active CN219528674U (en) | 2023-03-23 | 2023-03-23 | Handle door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219528674U (en) |
-
2023
- 2023-03-23 CN CN202320637104.8U patent/CN219528674U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |