CN220014777U - Knob lock - Google Patents
Knob lock Download PDFInfo
- Publication number
- CN220014777U CN220014777U CN202321300807.8U CN202321300807U CN220014777U CN 220014777 U CN220014777 U CN 220014777U CN 202321300807 U CN202321300807 U CN 202321300807U CN 220014777 U CN220014777 U CN 220014777U
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- knob
- lock
- rotating shaft
- state
- limiting
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- 239000011258 core-shell material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 235000021167 banquet Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Mechanical Control Devices (AREA)
Abstract
The utility model provides a knob lock, which has the technical scheme that the knob lock comprises a lock body and a knob which is positioned on the lock body and can rotate reciprocally; the lock body comprises a lock shell, a lock cylinder module fixed on the lock shell and used for inserting the buckle box, and a rotating shaft connected with the lock cylinder module, wherein the knob is inserted on the rotating shaft in a rotatable mode and is matched with the knob to form a first state and a second state; according to the scheme, the lock can be unlocked after the knob of the lock is positively rotated, the lock is prevented from being locked after the knob is reversely rotated, unnecessary locking caused by misoperation of the knob is prevented, and potential safety hazards are eliminated.
Description
Technical Field
The utility model relates to the field of lockset structures, in particular to a knob lock.
Background
The tool to lock wide application is on various products, like gate, cabinet etc. the technical scheme that patent application number was consulted to the concrete structure of tool to lock is 202011160813.9, and it discloses an emergent knob switch of full-automatic intelligent lock, relates to intelligent lock's technical field, including rear panel, lock body and front panel, the spliced pole is located the motor shaft hole of motor, when the motor shaft hole rotated, can drive the spliced pole and realize synchronous rotation, when the spliced pole down moves, the spliced pole can break away from the motor shaft hole, and then rotates alone the lock core transmission shaft.
In above-mentioned this scheme, be equipped with the draw-in groove in the shaft hole, be equipped with on the spliced pole with this draw-in groove assorted screens, screens and draw-in groove cooperate, when the forward rotation in shaft hole, drive the spliced pole unblock, when the reverse rotation in shaft hole, drive the spliced pole and lock, the shaft hole links with the spliced pole in real time, but in special places such as banquet, exhibition, escape route, the tool to lock needs the unblock behind the forward rotation of handle, avoid locking after the reverse rotation, and above-mentioned knob switch is because of the real-time linkage of inner structure, the unnecessary that causes because of the maloperation handle is locked easily, there is the potential safety hazard.
Disclosure of Invention
The utility model aims to provide a knob lock, which can realize unlocking after forward rotation of a knob of a lockset, avoid locking after reverse rotation, prevent unnecessary locking caused by misoperation of the knob and eliminate potential safety hazards.
In order to achieve the above object, the present utility model provides the following technical solutions:
the knob lock comprises a lock body and a knob which is positioned on the lock body and can rotate in a reciprocating manner; the lock body comprises a lock shell, a lock cylinder module which is fixed on the lock shell and is used for inserting the buckle box, and a rotating shaft which is connected with the lock cylinder module,
the knob is inserted on the rotating shaft in a rotatable mode and is matched with the knob to form a first state and a second state respectively; the knob and the lock body relatively rotate to form a first rotation position and a second rotation position;
in the first state, when the knob and the rotating shaft rotate to a first rotating position, the knob drives the rotating shaft to rotate to form a first unlocking state;
in the second state, when the knob and the limiting piece rotate to the second rotation position, the knob drives the limiting piece to rotate to form a second unlocking state.
In the knob lock, the lock body further comprises a limiting piece connected with the knob, and the lock shell is provided with a limiting column;
the limiting column and the limiting sheet are propped against each other to form a second rotation position.
In the knob lock, the lock core module comprises a lock core shell fixed on the lock shell and a lock tongue which is positioned in the lock core shell and can extend out of the lock core shell in a reciprocating manner; the lock cylinder shell is provided with an opening for the lock tongue to pass through and a guide groove extending towards the opening in a straight line, and the lock tongue is in sliding fit with the guide groove and is connected with the rotating shaft;
the lock tongue and one end of the guide groove far away from the opening are propped against each other to form a first rotation position.
In the knob lock, a connecting hole and a limiting block positioned on the inner wall of the connecting hole are arranged on the rotating shaft; the knob is in running fit with the inner wall of the connecting hole;
when the knob is abutted against the side face, close to the knob, of the limiting block, the knob and the rotating shaft form the first state;
when the knob is separated from the limiting block, the knob and the rotating shaft form the second state.
In the knob lock, two limiting blocks are arranged and are oppositely arranged at the axle center of the rotating shaft; the end part of the knob, which is in running fit with the inner wall of the connecting hole, is positioned between the two limiting blocks.
In the knob lock, the limiting piece is provided with an opening, and the knob is positioned in the opening and is detachably connected with the opening.
In the knob lock, a straight edge is arranged at the edge of the opening, a plane is arranged on the outer side face of the knob, and the straight edge abuts against the plane.
In the knob lock, the lock body further comprises a lock ruler arranged in the lock shell; the lock ruler penetrates through the lock core module and is connected with the lock core module, and the rotating shaft is connected with the lock ruler.
In the knob lock, the rotary shaft is provided with the jack, and the lock ruler is connected with the jack in a pluggable manner.
In the knob lock, the lock body further comprises a gear box arranged in the lock shell; the rotating shaft penetrates through the gear box and is connected with the gear box.
Compared with the prior art, the scheme of the utility model has the following advantages:
in the knob lock, a lock core module stretches out of a lock body to form a locking state under the driving of an electric signal; the knob is rotated in the forward direction, and after the knob enters a first state, the rotating shaft is driven to synchronously rotate to a first rotating position, and the rotating shaft drives the lock core module to retract to form a first unlocking state; then reversely rotating the knob, when the knob is in a second state, simultaneously driving the limiting piece to move to a second rotation position, and enabling the knob not to continuously rotate any more, so that the knob can not drive the rotating shaft to synchronously rotate, namely, the knob is disconnected with the lock core module in a linkage manner in the reverse rotation process, and the lock tongue is prevented from extending out, so that a second unlocking state is formed; through the scheme, the lock is unlocked after the knob of the lock is positively rotated, and the lock is prevented from being locked after the knob is reversely rotated, so that unnecessary locking caused by misoperation of the knob is prevented, and potential safety hazards are eliminated.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a major side exploded view of a knob lock in one embodiment of the utility model;
FIG. 2 is an enlarged view of part of A of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic diagram of a lock cylinder module in an embodiment of the utility model;
FIG. 4 is a rear side exploded view of a knob lock in one embodiment of the utility model;
FIG. 5 is a schematic diagram of a first state in an embodiment of the present utility model;
FIG. 6 is an enlarged view of part of B of FIG. 5 in accordance with the present utility model;
FIG. 7 is a schematic view of a first unlocked state according to an embodiment of the present utility model;
FIG. 8 is an enlarged view of part of C in FIG. 7 in accordance with the present utility model;
FIG. 9 is a schematic diagram of a second state and a second unlocked state in an embodiment of the present utility model;
fig. 10 is a partial enlarged view of D in fig. 9 according to the present utility model.
Reference numerals: 1. a knob; 2. a lock body;
21. a limiting piece; 211. opening holes;
22. a lock case; 23. a gear box; 24. a rotating shaft; 25. a lock core module; 26. locking a ruler; 27. a limit column;
241. a connection hole; 242. a limiting block; 243. a jack; 251. a bolt; 252. a lock cylinder housing; 2521. and a guide groove.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in fig. 1-10, the utility model provides a knob lock, which comprises a lock body 2 and a knob 1 which is positioned on the lock body 2 and can rotate reciprocally; the lock body 2 comprises a lock shell 22, a lock cylinder module 25 fixed on the lock shell 22 and used for inserting a buckle box, and a rotating shaft 24 connected with the lock cylinder module 25,
the lock also comprises a limiting piece 21 connected with the knob 1, and a limiting post 27 is arranged on the lock shell 22;
the lock core module 25 has a specific structure that the lock core module 25 comprises a lock core shell 252 fixed on the lock shell 22, and a lock tongue 251 which is positioned in the lock core shell 252 and can extend out of the lock core shell 252 in a reciprocating manner; the lock cylinder housing 252 is provided with an opening through which the lock tongue 251 passes and a guide groove 2521 extending linearly towards the opening, and the lock tongue 251 is in sliding fit with the guide groove 2521 and is connected with the rotating shaft 24;
the lock tongue 251 abuts against one end, far away from the opening, of the guide groove 2521; the limiting post 27 and the limiting piece 21 are propped against each other to form a second rotation position; the knob 1 is rotatably inserted on the rotating shaft 24 and is matched with the knob 1 to form a first state and a second state respectively;
in the first state, when the knob 1 and the rotating shaft 24 rotate to the first rotation position, the knob 1 drives the rotating shaft 24 to rotate to form a first unlocking state;
in the second state, when the knob 1 and the limiting piece 21 rotate to the second rotation position, the knob 1 drives the limiting piece 21 to rotate to form a second unlocking state.
Referring to fig. 5 to 8, the knob 1 rotates forward to drive the rotating shaft 24 to rotate synchronously, the rotating shaft 24 pulls the lock tongue 251 to retract through the transmission mechanism until the lock tongue 251 retracts to the end of the guide groove 2521, the lock tongue 251 abuts against one end of the guide groove 2521 far away from the opening, the guide groove 2521 blocks the lock tongue 251 from retracting, the lock tongue 251 stops moving, and the rotating shaft 24 and the knob 1 stop moving synchronously to form a first rotating position.
As shown in fig. 9 and 10, the limiting post 27 is correspondingly arranged with the second rotation position, when the knob 1 drives the limiting plate 21 to rotate, the limiting plate 21 and the limiting post 27 are propped against each other to form the second rotation position, the limiting post 27 blocks the limiting plate 21 and the knob 1 from continuously rotating reversely, so that the knob 1 rotates reversely from the beginning to the end, and in the process, the knob 1 idles on the rotating shaft 24, so that the rotating shaft 24 is prevented from being driven to rotate synchronously, and the reverse rotation is realized without locking.
The specific operation process of the knob 1 is that the lock core module 25 stretches out of the lock body 2 to form a locking state under the drive of an electric signal; when the knob 1 is in a first state, the rotary shaft 24 is driven to synchronously rotate to a first rotation position, and the rotary shaft 24 drives the lock core module 25 to retract the lock core module 25 to form a first unlocking state; then, the knob 1 is reversely rotated, the knob 1 enters a second state, and meanwhile, the limiting piece 21 is driven to move to a second rotation position, the knob 1 can not continuously rotate any more, so that the knob 1 can not drive the rotating shaft 24 to synchronously rotate, namely, the knob 1 is disconnected with the lock core module 25 in a linkage manner in the reverse rotation process, and the lock tongue 251 is prevented from extending to form a second unlocking state; the knob 1 of the lock is unlocked after forward rotation, and is prevented from being locked after reverse rotation, so that unnecessary locking caused by misoperation of the handle is prevented, and potential safety hazards are eliminated.
In this embodiment, the rotating shaft 24 is provided with a connecting hole 241 and a limiting block 242 positioned on the inner wall of the connecting hole 241; the knob 1 is in running fit with the inner wall of the connecting hole 241;
when the knob 1 is abutted against the side surface of the side of the limiting block 242 adjacent to the knob 1, the knob 1 and the rotating shaft 24 form the first state;
when the knob 1 is separated from the stopper 242, the knob 1 and the rotating shaft 24 form the second state.
When only one limiting block 242 is provided, the knob lock can be switched among a locking state, a first unlocking state and a second unlocking state, wherein in the case that only one limiting block 242 is provided, the knob 1 and the limiting block 242 in the connecting hole 241 form two opposite states through a spatial position relationship, and the knob 1 and the side surface of the limiting block 242, which is close to the knob 1, are propped against each other to form one state, as shown in fig. 5 to 8; the knob 1 and the stopper 242 are separated from each other to be in another state, as shown in fig. 9 to 10; after the knob 1 abuts against one side surface of the limiting block 242, the knob 1 drives the rotating shaft 24 to rotate positively through the limiting block 242 until stopping at the first rotating position.
As shown in fig. 2, two limiting blocks 242 are provided and are arranged oppositely with the axle center of the rotating shaft 24; the end of the knob 1 is in a rotating fit with the inner wall of the connecting hole 241 and is located between the two limiting blocks 242.
The arrangement of the two limiting blocks 242 enables the end part of the knob 1, which is in rotary fit with the inner wall of the connecting hole 241, to be located between the two limiting blocks 242, so that the circumferential rotation freedom degree of the knob 1 is accurately limited, and the rotation stability and the rotation precision of the knob 1 are improved.
It should be noted that, the second limiting block 242 may be disposed corresponding to the second rotation position, when the knob 1 rotates to the second rotation position, the knob 1 is attached to a side, close to the knob 1, of the second limiting block 242, and both are in contact with each other, or may be disposed on a side, far away from the first rotation position, of the second rotation position, when the knob 1 rotates to the second rotation position, the knob 1 and the second limiting block 242 are in non-contact state, and in this embodiment, the spatial relationship between the knob 1 and the second limiting block 242 is not excessively limited.
As shown in fig. 1, 4 and 9, the limiting piece 21 is specifically connected to the knob 1 in a manner that the limiting piece 21 is provided with an opening 211, and the knob 1 is inserted into the opening 211 and is detachably connected to the opening 211.
The limiting piece 21 can also be replaced by a bolt connection, a buckle connection or the like, and the embodiment does not limit the limiting piece excessively.
The specific structure of the opening 211 is that a straight edge is arranged at the edge of the opening 211, a plane is arranged on the outer side face of the knob 1, and the straight edge is propped against the plane.
In practical applications, the opening 211 may adopt a polygonal structure such as triangle, quadrangle, pentagon, etc., and the knob 1 may adopt an additive or subtractive method to process a plane matching the polygonal structure, so that different planes are abutted against corresponding edges of the opening 211.
In particular use, the lock body 2 further includes a lock ruler 26 disposed within the lock housing 22; the lock ruler 26 penetrates through the lock cylinder module 25 and is connected with the lock cylinder module 25, and the rotating shaft 24 is connected with the lock ruler 26.
The specific connection mode between the rotating shaft 24 and the locking ruler 26 is that a jack 243 is arranged on the rotating shaft 24, and the locking ruler 26 is connected with the jack 243 in a pluggable manner.
In addition, the lock body 2 further includes a gear case 23 provided in the lock case 22; the rotating shaft 24 penetrates through the gear box 23 and is connected with the gear box 23.
The specific structure of the knob 1 is that the knob 1 comprises a knob key and a knob shaft connected with the knob key; the knob shaft is inserted on the rotating shaft 24 and is in rotating fit with the rotating shaft 24; the knob 1 shaft is located between the two limiting blocks, and the knob key and the knob shaft can be of an integrated structure, so that the embodiment does not limit the knob key and the knob shaft excessively.
The foregoing is only a partial embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The knob lock comprises a lock body and a knob which is positioned on the lock body and can rotate in a reciprocating manner; the lock body comprises a lock shell, a lock cylinder module fixed on the lock shell and used for inserting a buckle box, and a rotating shaft connected with the lock cylinder module, and is characterized in that the knob is inserted on the rotating shaft in a rotatable mode and is matched with the knob to form a first state and a second state respectively; the knob and the lock body relatively rotate to form a first rotation position and a second rotation position;
in the first state, when the knob and the rotating shaft rotate to a first rotating position, the knob drives the rotating shaft to rotate to form a first unlocking state;
in the second state, when the knob and the limiting piece rotate to the second rotation position, the knob drives the limiting piece to rotate to form a second unlocking state.
2. The knob lock according to claim 1, wherein the lock body further comprises a limit piece connected with the knob, and a limit post is arranged on the lock shell;
the limiting column and the limiting sheet are propped against each other to form a second rotation position.
3. The knob lock according to claim 1, wherein the lock core module comprises a lock core housing fixed to the lock core housing, a lock tongue located in the lock core housing and reciprocally extendable out of the lock core housing; the lock cylinder shell is provided with an opening for the lock tongue to pass through and a guide groove extending towards the opening in a straight line, and the lock tongue is in sliding fit with the guide groove and is connected with the rotating shaft;
the lock tongue and one end of the guide groove far away from the opening are propped against each other to form a first rotation position.
4. The knob lock according to claim 1, wherein the rotating shaft is provided with a connecting hole and a limiting block positioned on the inner wall of the connecting hole; the knob is in running fit with the inner wall of the connecting hole;
when the knob is abutted against the side face of one side of the adjacent knob of the limiting block, the knob and the rotating shaft form the first state;
when the knob is separated from the limiting block, the knob and the rotating shaft form the second state.
5. The knob lock according to claim 4, wherein two limiting blocks are provided and are arranged oppositely with the axis of the rotating shaft; the end part of the knob is in running fit with the inner wall of the connecting hole and is positioned between the two limiting blocks.
6. The knob lock according to claim 1, wherein the limiting piece is provided with an opening, and the knob is positioned in the opening and detachably connected with the opening.
7. The knob lock according to claim 6, wherein a straight edge is provided at the edge of the opening, and a flat surface is provided on the outer side of the knob, the straight edge being in abutment with the flat surface.
8. The rotary knob lock according to claim 1, wherein the lock body further comprises a lock ruler provided in the lock housing; the lock ruler penetrates through the lock core module and is connected with the lock core module, and the rotating shaft is connected with the lock ruler.
9. The knob lock according to claim 8, wherein the rotary shaft is provided with a jack, and the locking ruler is connected with the jack in a pluggable manner.
10. The knob lock according to claim 1, wherein the lock body further comprises a gear box provided in the lock housing; the rotating shaft penetrates through the gear box and is connected with the gear box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321300807.8U CN220014777U (en) | 2023-05-25 | 2023-05-25 | Knob lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321300807.8U CN220014777U (en) | 2023-05-25 | 2023-05-25 | Knob lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220014777U true CN220014777U (en) | 2023-11-14 |
Family
ID=88680058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321300807.8U Active CN220014777U (en) | 2023-05-25 | 2023-05-25 | Knob lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220014777U (en) |
-
2023
- 2023-05-25 CN CN202321300807.8U patent/CN220014777U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |