CN220378034U - Indoor door lock - Google Patents
Indoor door lock Download PDFInfo
- Publication number
- CN220378034U CN220378034U CN202321834430.4U CN202321834430U CN220378034U CN 220378034 U CN220378034 U CN 220378034U CN 202321834430 U CN202321834430 U CN 202321834430U CN 220378034 U CN220378034 U CN 220378034U
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- knob
- linkage
- rod
- locking
- door lock
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
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- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model discloses an indoor door lock, which comprises an inner base and an outer base, wherein the inner base is rotatably provided with an inner handle; the inner handle head of the inner handle is rotatably provided with a back locking knob, and the outer handle head of the outer handle is rotatably provided with an emergency unlocking knob; an anti-lock rod is arranged between the inner handle head and the outer handle head in a penetrating way, one end of the anti-lock rod is connected with the anti-lock knob, and the other end of the anti-lock rod is matched with the emergency unlocking knob through a first linkage piece; the emergency unlocking knob is locked on the outer handle head, and a rotating groove is formed in the inner side wall of the emergency unlocking knob; the first linkage piece is rotatably arranged at the outer handle head, and a first linkage rod at one side of the first linkage piece is arranged in the rotating groove; the back locking knob drives the back locking rod to rotate for back locking, and the first linkage rod rotates at two ends of the rotating groove; the door lock is characterized in that the back locking knob and the emergency unlocking knob are respectively arranged on the inner handle and the outer handle, so that the appearance of the door lock is more simple and attractive, and the production cost of the door lock is reduced.
Description
Technical Field
The utility model relates to the technical field of door locks, in particular to an indoor door lock.
Background
The door lock is a common door protection device for preventing illegal invasion of personnel outside the door, and in order to facilitate people to unlock the door lock, an inner handle and an outer handle are generally arranged on the inner side and the outer side of the door leaf; normally, an inner person in the door cannot rotate the outer handle to unlock the door lock by back locking the door lock, so that the door outside person is prevented from opening the door leaf;
the existing indoor door lock is generally provided with a back-locking operation knob in the door and an unlocking lock cylinder for emergency unlocking outside the door, wherein the back-locking operation knob is connected with the unlocking lock cylinder through a back-locking rod; the back locking operation knob of the existing indoor door lock is independently arranged on the split ring outside the inner handle, and the unlocking lock core of the door lock is independently arranged on the split ring outside the outer handle; the whole structure of the indoor door lock is complex, so that the appearance of the door lock is not simple enough, and meanwhile, the production cost of the door lock can be increased.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide an indoor door lock.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an indoor door lock comprises an inner base and an outer base, wherein the inner base is rotatably provided with an inner handle, and the outer base is rotatably provided with an outer handle; a back locking knob is rotatably arranged on the inner handle head of the inner handle, and an emergency unlocking knob is rotatably arranged on the outer handle head of the outer handle; an anti-lock rod is arranged between the inner handle head and the outer handle head in a penetrating way, one end part of the anti-lock rod is connected with the anti-lock knob, and the other end part of the anti-lock rod is matched with the emergency unlocking knob through a first linkage piece;
the emergency unlocking knob is locked on the outer handle, and a rotating groove is formed in the inner side wall of the emergency unlocking knob; the first linkage piece is rotatably arranged in the outer handle head, and a first linkage rod at one side of the first linkage piece is arranged in the rotating groove; the back locking knob drives the back locking rod to rotate for back locking, and the first linkage rod can rotate at two ends of the rotating groove.
The utility model further provides that: an inner locking hole is formed in the outer handle head, an outer locking hole corresponding to the locking hole is formed in the emergency unlocking knob, one end portion of the locking piece is arranged in the inner locking hole, the other end portion of the locking piece is arranged in the outer locking hole, and the emergency unlocking knob is prevented from rotating relative to the outer handle head.
The utility model further provides that: the back locking knob is connected with the back locking rod through a second linkage piece, and a connecting groove is formed in the inner side wall of the back locking knob;
the second linkage piece is rotatably arranged in the inner handle, and a second linkage rod at one side of the second linkage piece is inserted into the connecting groove.
The utility model further provides that: the second linkage piece and the first linkage piece have the same structure, a threaded hole is formed in the side wall of the first linkage piece, and one end portion of the first linkage rod is connected to the threaded hole.
The utility model further provides that: the outer handle head is provided with a first avoiding hole, and the other end of the first linkage member passes through the first avoiding hole and is arranged in the rotating groove;
the inner handle is provided with a second avoidance hole, and the other end of the second linkage member penetrates through the second avoidance hole and is inserted into the inserting groove.
The utility model further provides that: the inner side wall of the back locking knob is circumferentially provided with a plurality of first positioning grooves at intervals, and the outer side wall of the inner handle head is provided with a first positioning spring and a first positioning ball; a part of the first positioning ball can be placed in the first positioning groove under the action of the elasticity of the first positioning spring;
a plurality of second positioning grooves are formed in the inner side wall of the emergency unlocking knob at intervals in the circumferential direction, and a second positioning spring and a second positioning ball are arranged on the outer side wall of the outer handle head; and a part of the second positioning ball can be placed in the second positioning groove under the action of the elasticity of the second positioning spring.
The utility model has the beneficial effects that: when a person in the door drives the counter lock rod to rotate to counter lock the door lock by rotating the counter lock knob on the inner handle, the counter lock rod can drive the first linkage piece to rotate, and at the moment, the first linkage rod can rotate at two ends of the rotating groove, so that the first linkage rod cannot be linked with the emergency unlocking knob, and interference to the emergency unlocking knob on the outer handle is avoided;
the emergency unlocking knob is locked on the outer handle head, so that door lock personnel cannot unlock the door lock by rotating the emergency unlocking knob, and the back locking effect of the door lock can be ensured; when an emergency situation occurs, a person outside the door needs to unlock the door lock, the locking of the emergency unlocking knob can be released through a tool, and then the emergency unlocking knob is rotated, so that the groove wall of the rotating groove is propped against the first linkage rod, and the first linkage rod is pushed to drive the anti-lock rod to rotate, so that the emergency unlocking of the door lock is realized; this indoor lock sets up the counter lock knob and emergent unblock knob respectively on interior handle and outer handle, abandons the design mode of unblock lock core, can not be unable emergent unblock because of losing the key, has simplified the structure of lock simultaneously for the outward appearance of lock is more brief pleasing to the eye, reduces the manufacturing cost of lock simultaneously.
Drawings
FIG. 1 is a schematic view of an indoor door lock according to the present utility model;
FIG. 2 is a schematic diagram of the structure of the indoor door lock of the utility model, wherein the structure is used for removing the back locking knob and the emergency unlocking knob;
FIG. 3 is a diagram showing the cooperation of the back lock lever and the emergency unlocking knob of the indoor door lock according to the present utility model;
FIG. 4 is a diagram showing the cooperation of the counter lock lever and the counter lock knob of the indoor door lock according to the present utility model;
FIG. 5 is a view showing the cooperation of the reverse locking lever of the indoor door lock, the first linkage member and the second linkage member;
FIG. 6 is a schematic view showing the structure of an outer handle of an indoor door lock according to the present utility model;
reference numerals illustrate: 1. an inner base; 2. an outer base; 3. an inner handle; 31. an inner handle head; 311. a back lock knob; 3111. a connecting groove; 3112. a first positioning groove; 312. a first avoidance hole; 313. a second linkage member; 3131. a second linkage rod; 314. a first positioning spring; 315. a first positioning ball; 4. an outer handle; 41. an outer handle head; 411. an emergency unlocking knob; 4111. a rotating groove; 4112. a second positioning groove; 4113. an outer locking hole; 412. a second avoidance hole; 413. a first linkage member; 4131. a first linkage rod; 414. an inner locking hole; 416. a second positioning ball; 5. an anti-lock rod; 6. a locking member.
Detailed Description
An indoor door lock according to the present utility model will be described in further detail with reference to fig. 1 to 6.
An indoor door lock comprises an inner base 1 and an outer base 2, wherein the inner base 1 is rotatably provided with an inner handle 3, and the outer base 2 is rotatably provided with an outer handle 4; an inner handle head 31 of the inner handle 3 is rotatably provided with an anti-lock knob 311, and an outer handle head 41 of the outer handle 4 is rotatably provided with an emergency unlock knob 411; a locking rod 5 is arranged between the inner handle head 31 and the outer handle head 41 in a penetrating way, wherein the locking rod 5 is used for driving a locking mechanism in a door lock body to realize locking and unlocking of a door lock, one end part of the locking rod 5 is connected with a locking knob 311, and the other end part is matched with an emergency unlocking knob 411 through a first linkage 413; the emergency unlocking knob 411 is locked on the outer handle head 41, and a rotating groove 4111 is formed in the inner side wall of the emergency unlocking knob; the first linkage member 413 is rotatably disposed in the outer handle 41, and a first linkage rod 4131 on one side of the first linkage member 413 is disposed in the rotation groove 4111; the counter lock knob 311 drives the counter lock lever 5 to rotate for counter lock, and the first linkage lever 4131 rotates at two ends of the rotation groove 4111; when a person in the door drives the anti-lock rod 5 to rotate to back lock the door lock by rotating the anti-lock knob 311 on the inner handle 3, the anti-lock rod 5 drives the first linkage piece 413 to rotate, and at the moment, the first linkage rod 4131 rotates at two ends of the rotating groove 4111, so that the first linkage rod 4131 cannot be linked with the emergency unlocking knob 411, and interference to the emergency unlocking knob 411 on the outer handle 4 is avoided;
the emergency unlocking knob 411 is locked on the outer handle head 41, so that a door lock person cannot unlock by rotating the emergency unlocking knob 411, and the back locking effect of the door lock can be ensured; when an emergency situation occurs and a person outside the door needs to unlock the door lock, the locking of the emergency unlocking knob 411 can be released through a tool, and then the emergency unlocking knob 411 is rotated, so that the groove wall of the rotating groove 4111 is propped against the first linkage rod 4131, and the first linkage rod 4131 is pushed to drive the anti-lock rod 5 to rotate, so that the emergency unlocking of the door lock is realized; this indoor lock will be locked knob 311 and should unlock knob 411 and set up respectively on interior handle 3 and outer handle 4, abandon the design mode of unblock lock core, can not be unable emergent unblock because of losing the key, simplified the structure of lock simultaneously for the outward appearance of lock is more brief pleasing to the eye, reduces the manufacturing cost of lock simultaneously.
Wherein the outer handle 41 is provided with an inner locking hole 414, the emergency unlocking knob 411 is provided with an outer locking hole 4113 corresponding to the locking hole, one end of the locking piece 6 is arranged in the inner locking hole 414, and the other end is arranged in the outer locking hole 4113, so that the emergency unlocking knob 411 is prevented from rotating relative to the outer handle 41; when emergency unlocking is needed, the locking piece 6 is pushed inwards through the outer locking hole 4113 by a tool to be separated from the outer locking hole 4113; or by moving the locking member 6 out of the way by a tool, disengaging the locking member 6 from the inner locking hole 414; the emergency unlocking knob 411 can rotate relative to the outer handle 4 to push the first linkage rod 4131 to drive the reverse locking rod 5 to rotate, so that emergency unlocking operation is realized.
Wherein the counter lock knob 311 is connected with the counter lock rod 5 through a second linkage 313, and a connecting groove 3111 is formed on the inner side wall of the counter lock knob 311; wherein the connecting groove 3111 penetrates through two ends of the back lock knob 311, the second linkage 313 is rotatably arranged in the inner handle 3, and the second linkage bar 3131 at one side of the second linkage member is inserted into the connecting groove 3111; when the door lock is assembled, the second linkage 313 is assembled on the inner handle head 31, and then the back locking knob 311 is sleeved on the inner handle head 31, and at the moment, the end part of the second linkage 3131 can slide along the connecting groove 3111 for installation; the second linkage member 313 and the first linkage member 413 have the same structure, a threaded hole is formed on the side wall of the first linkage member 413, and one end of the first linkage rod 4131 is connected to the threaded hole; facilitating the production and assembly of the first and second linkage members 413 and 313.
The outer handle 41 is provided with a first avoiding hole 312, and the other end of the first linkage member 413 passes through the first avoiding hole 312 and is arranged in the rotating groove 4111; the inner handle head 31 is provided with a second avoiding hole 412, and the other end of the second linkage member 313 passes through the second avoiding hole 412 and is inserted into the inserting groove; when the reverse lock knob 311 or the emergency unlock knob 411 drives the reverse lock lever 5 to rotate through the second linkage lever 3131 and the first linkage lever 4131, the first linkage lever 4131 and the second linkage lever 3131 swing at two ends of the first avoidance hole 312 and the second avoidance hole 412, respectively.
Wherein, a plurality of first positioning grooves 3112 are circumferentially arranged on the inner side wall of the back locking knob 311 at intervals, and a first positioning spring and a first positioning ball 315 are arranged on the outer side wall of the inner handle head 31; a portion of the first positioning ball 315 can be placed in the first positioning groove 3112 under the elastic force of the first positioning spring; a plurality of second positioning grooves 4112 are circumferentially arranged on the inner side wall of the emergency unlocking knob 411 at intervals, and a second positioning spring and a second positioning ball 416 are arranged on the outer side wall of the outer handle head 41; a part of the second positioning ball 416 can be placed in the second positioning groove 4112 under the elastic force of the second positioning spring; when the door lock is in the unlocked or locked state, a part of the first positioning ball 315 on the inner handle head 31 can be placed in the first positioning groove 3112, and a part of the second positioning ball 416 on the outer handle head 41 can be placed in the second positioning groove 4112; the anti-lock knob 311 and the emergency unlock knob 411 are respectively positioned, so that the self-rotation of the anti-lock knob 311 and the emergency unlock knob 411 is avoided, and the structural stability of the door lock is better; meanwhile, when the back lock knob 311 or the emergency unlock knob 411 is rotated, the gear feel is better, and the using hand feel of the door lock is improved.
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 (6)
1. An indoor door lock comprises an inner base and an outer base, wherein the inner base is rotatably provided with an inner handle, and the outer base is rotatably provided with an outer handle; the method is characterized in that: a back locking knob is rotatably arranged on the inner handle head of the inner handle, and an emergency unlocking knob is rotatably arranged on the outer handle head of the outer handle; an anti-lock rod is arranged between the inner handle head and the outer handle head in a penetrating way, one end part of the anti-lock rod is connected with the anti-lock knob, and the other end part of the anti-lock rod is matched with the emergency unlocking knob through a first linkage piece;
the emergency unlocking knob is locked on the outer handle, and a rotating groove is formed in the inner side wall of the emergency unlocking knob; the first linkage piece is rotatably arranged in the outer handle head, and a first linkage rod at one side of the first linkage piece is arranged in the rotating groove; the back locking knob drives the back locking rod to rotate for back locking, and the first linkage rod can rotate at two ends of the rotating groove.
2. An indoor door lock according to claim 1, wherein: an inner locking hole is formed in the outer handle head, an outer locking hole corresponding to the locking hole is formed in the emergency unlocking knob, one end portion of the locking piece is arranged in the inner locking hole, the other end portion of the locking piece is arranged in the outer locking hole, and the emergency unlocking knob is prevented from rotating relative to the outer handle head.
3. An indoor door lock according to claim 1 or 2, wherein: the back locking knob is connected with the back locking rod through a second linkage piece, and a connecting groove is formed in the inner side wall of the back locking knob;
the second linkage piece is rotatably arranged in the inner handle, and a second linkage rod at one side of the second linkage piece is inserted into the connecting groove.
4. An indoor door lock according to claim 3, wherein: the second linkage piece and the first linkage piece have the same structure, a threaded hole is formed in the side wall of the first linkage piece, and one end portion of the first linkage rod is connected to the threaded hole.
5. The indoor door lock of claim 4, wherein: the outer handle head is provided with a first avoiding hole, and the other end of the first linkage member passes through the first avoiding hole and is arranged in the rotating groove;
the inner handle is provided with a second avoidance hole, and the other end of the second linkage member penetrates through the second avoidance hole and is inserted into the inserting groove.
6. An indoor door lock according to claim 1 or 2, wherein: the inner side wall of the back locking knob is circumferentially provided with a plurality of first positioning grooves at intervals, and the outer side wall of the inner handle head is provided with a first positioning spring and a first positioning ball; a part of the first positioning ball can be placed in the first positioning groove under the action of the elasticity of the first positioning spring;
a plurality of second positioning grooves are formed in the inner side wall of the emergency unlocking knob at intervals in the circumferential direction, and a second positioning spring and a second positioning ball are arranged on the outer side wall of the outer handle head; and a part of the second positioning ball can be placed in the second positioning groove under the action of the elasticity of the second positioning spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321834430.4U CN220378034U (en) | 2023-07-13 | 2023-07-13 | Indoor door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321834430.4U CN220378034U (en) | 2023-07-13 | 2023-07-13 | Indoor door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378034U true CN220378034U (en) | 2024-01-23 |
Family
ID=89563457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321834430.4U Active CN220378034U (en) | 2023-07-13 | 2023-07-13 | Indoor door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378034U (en) |
-
2023
- 2023-07-13 CN CN202321834430.4U patent/CN220378034U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |