Ecological door lock

Abstract

The utility model discloses an ecological door lock which comprises an inner base and an outer base, an inner handle is arranged on the inner base in a rotating mode, an outer handle is arranged on the outer base in a rotating mode, and the inner handle and the outer handle are in linkage through a square shaft. A locking assembly is arranged in the outer handle, a back locking assembly is arranged in the inner handle, and the back locking assembly is in linkage with the locking assembly through a linkage plate. When the door lock is counter-locked, only a counter-locking rack on the counter-locking assembly needs to be pushed to drive a counter-locking gear to drive a linkage plate, so that a locking plate on the locking assembly is opened outwards, and the outer handle is locked on the outer base; a person outside the door cannot open the door lock by rotating the outer handle; according to the door lock, the locking assembly is arranged in the outer handle, the counter locking assembly is arranged in the inner handle, the arrangement mode that the locking assembly and the counter locking assembly are arranged on the lock body of an original door lock is replaced, the structure of the lock body is simplified, and the overall size of the door lock is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of door locks, and more specifically, to an ecological door lock. Background Art

[0002] A door lock is a commonly used door protection device to prevent illegal intrusion. Existing door locks generally include a lock body with a lock tongue slidably arranged thereon and a door handle for driving the lock tongue to extend and retract. The lock body is also provided with a locking assembly for locking the lock tongue and an anti-locking assembly for driving the locking assembly to switch between an anti-locking position and an unlocking position.

[0003] That is, the reverse locking of the existing door lock is to lock the lock tongue by arranging a locking assembly in the lock body, so that people cannot drive the locked lock tongue through the door handle to perform the unlocking operation; there is a problem that the structure of the door lock body is relatively complicated and the overall size of the door lock is relatively large. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an ecological door lock.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An ecological door lock, comprising 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, and the inner handle and the outer handle are linked via a square shaft; a locking assembly is arranged in the outer handle, and a reverse locking assembly is arranged in the inner handle, and the reverse locking assembly is linked with the locking assembly via a linkage plate;

[0007] The anti-locking assembly includes an anti-locking rack slidably arranged on the inner handle and an anti-locking gear rotatably arranged on the inner handle, one end of the anti-locking gear is meshed with the anti-locking rack, and the other end is connected to one end of the linkage plate;

[0008] The locking assembly comprises a locking groove arranged on the outer base, and two locking plates movably arranged on the handle head of the outer handle;

[0009] The other end of the linkage plate passes through between the two locking plates, and the anti-locking rack drives the linkage plate to rotate through the anti-locking gear. The linkage plate will squeeze the backrest on the locking plate and drive the two locking plates to open outward, so that the end of the locking plate passes through the handle head and is placed in the locking groove, locking the outer handle to the outer base.

[0010] The utility model is further configured as follows: a pushing portion is provided at one end of the anti-locking rack, a push-pull window is provided at the lower end surface of the inner handle, the pushing portion passes through the push-pull window and is placed at the lower end of the inner handle.

[0011] The utility model is further configured as follows: positioning parts are provided on both sides of the anti-locking rack, one end of the positioning part protrudes outwardly and is provided with a positioning protrusion, and the inner handle is provided with an anti-locking positioning groove and an unlocking positioning groove that match the positioning protrusion;

[0012] The positioning protrusion cooperates with the anti-locking positioning groove or the unlocking positioning groove to lock the anti-locking rack in the anti-locking position or the unlocking position.

[0013] The utility model is further configured as follows: a lock core is arranged on the outer handle, and the end of the linkage plate is connected to the lock core after passing through between the two locking plates.

[0014] The beneficial effects of the utility model are as follows: the ecological door lock is provided with a locking assembly in the outer handle, and a reverse locking assembly is provided in the inner handle, and the reverse locking assembly is linked with the locking assembly through a linkage plate; the reverse locking assembly comprises a reverse locking rack slidably arranged on the inner handle and a reverse locking gear rotatably arranged on the inner handle, one end of the reverse locking gear is meshed with the reverse locking rack, and the other end is connected with one end of the linkage plate; the locking assembly comprises a locking groove arranged on the outer base and two locking plates movably arranged on the handle head of the outer handle; when the reverse locking door lock is performed, it is only necessary to push the reverse locking rack, and the reverse locking rack drives the linkage plate through the reverse locking gear to drive the locking plate to pass through the handle head of the outer handle and be placed in the locking groove of the outer base, so that the outer handle is locked on the outer base, so that the person outside the door cannot rotate the outer handle to perform the unlocking operation, thereby realizing the reverse locking of the door lock; the locking assembly of the door lock is built in the outer handle, and the reverse locking assembly is built in the inner handle, replacing the original door lock in which the locking assembly and the reverse locking assembly are arranged on the lock body, simplifying the lock body structure, and reducing the overall volume of the door lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of an ecological door lock of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of an ecological door lock without a square shaft according to the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of an ecological door lock of the utility model;

[0018] Figure 4 This is a diagram showing the coordination between a locking assembly and an external handle of an ecological door lock of the utility model;

[0019] Figure 5 This is an installation diagram of an anti-locking component of an ecological door lock on an inner handle of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of an anti-locking rack of an ecological door lock of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of an inner handle of an ecological door lock of the utility model;

[0022] Figure 8 This is a structural schematic diagram of a locking plate of an ecological door lock of the utility model;

[0023] Explanation of the reference numerals: 1. inner base; 2. outer base; 3. inner handle; 31. sliding window; 32. anti-lock positioning groove; 33. unlocking positioning groove; 34. anti-lock assembly; 341. anti-lock rack; 3411. positioning portion; 34111. positioning protrusion; 3412. pushing portion; 342. anti-lock gear; 4. outer handle; 41. locking assembly; 411. locking groove; 412. locking plate; 4121. backrest; 5. linkage plate; 6. square shaft; 7. lock core. DETAILED DESCRIPTION

[0024] See attached Figures 1 to 8 The utility model is further described in detail for an ecological door lock.

[0025] An ecological door lock, comprising 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, and the inner handle 3 and the outer handle 4 are linked via a square shaft 6; a locking assembly 41 is arranged in the outer handle 4, and an anti-locking assembly 34 is arranged in the inner handle 3, and the anti-locking assembly 34 is linked with the locking assembly 41 via a linkage plate 5;

[0026] The reverse locking assembly 34 includes a reverse locking rack 341 slidably arranged on the inner handle 3 and a reverse locking gear 342 rotatably arranged on the inner handle 3, one end of the reverse locking gear 342 is meshed with the reverse locking rack 341, and the other end is connected to one end of the linkage plate 5; the locking assembly 41 includes a locking groove 411 arranged on the outer base 2, and two locking plates 412 movably arranged on the handle head of the outer handle 4; the other end of the linkage plate 5 passes through between the two locking plates 412, and the reverse locking rack 341 drives the linkage plate 5 to rotate through the reverse locking gear 342, and the linkage plate 5 will squeeze the backrest 4121 on the locking plate 412 and drive the two locking plates 412 to open outward, so that the end of the locking plate 412 passes through the handle head and is placed in the locking groove 411, thereby locking the outer handle 4 on the outer base 2;

[0027] The ecological door lock is provided with a locking assembly 41 in the outer handle 4, and a reverse locking assembly 34 is provided in the inner handle 3, and the reverse locking assembly 34 is linked with the locking assembly 41 through the linkage plate 5; the reverse locking assembly 34 includes a reverse locking rack 341 slidably arranged on the inner handle 3 and a reverse locking gear 342 rotatably arranged on the inner handle 3, one end of the reverse locking gear 342 is meshed with the reverse locking rack 341, and the other end is connected with one end of the linkage plate 5; the locking assembly 41 includes a locking groove 411 arranged on the outer base 2, and two locking plates 412 movably arranged on the handle of the outer handle 4; When locking the door lock, it is only necessary to push the anti-locking rack 341, and the anti-locking rack 341 drives the linkage plate 5 through the anti-locking gear 342 to drive the locking plate 412 to pass the handle head of the outer handle 4 through the locking groove 411 of the outer base 2, and lock the outer handle 4 on the outer base 2, so that people outside the door cannot turn the outer handle 4 to unlock the door, thereby realizing the anti-locking of the door lock; the locking component 41 of the door lock is built into the outer handle 4, and the anti-locking component 34 is built into the inner handle 3, which replaces the original door lock in which the locking component 41 and the anti-locking component 34 are set on the lock body, simplifies the lock body structure, and reduces the overall volume of the door lock.

[0028] A push-pull button 3412 is provided at one end of the anti-locking rack 341, and a push-pull window 31 is provided on the lower end surface of the inner handle 3. The push-pull button 3412 passes through the push-pull window 31 and is placed at the lower end of the inner handle 3. When locking or unlocking the door, one only needs to hold the inner handle 3 with one hand and push the push-pull button 3412 of the anti-locking rack 341 with one finger to realize the door locking and unlocking operation. The operation is simple and convenient.

[0029] In order to ensure that the door lock can be stably in the locked state or the unlocked state, positioning parts 3411 are provided on both sides of the anti-locking rack 341, and one end of the positioning part 3411 is protruding outward and provided with a positioning protrusion 34111, and the inner handle 3 is provided with an anti-locking positioning groove 32 and an unlocking positioning groove 33 that cooperate with the positioning protrusion 34111; the positioning protrusion 34111 cooperates with the anti-locking positioning groove 32 or the unlocking positioning groove 33 to lock the anti-locking rack 341 in the locked position or the unlocked position, thereby improving the structural stability of the door lock.

[0030] A lock core 7 is provided on the outer handle 4, and the end of the linkage plate 5 is connected to the lock core 7 after passing through between the two locking plates 412; a person outside the door can insert a key into the lock core 7 to unlock and lock the door.

[0031] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. An ecological door lock, comprising 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, and the inner handle and the outer handle are linked by a square shaft; wherein: A locking assembly is provided in the outer handle, and a reverse locking assembly is provided in the inner handle, and the reverse locking assembly is linked with the locking assembly through a linkage plate; The anti-locking assembly includes an anti-locking rack slidably arranged on the inner handle and an anti-locking gear rotatably arranged on the inner handle, one end of the anti-locking gear is meshed with the anti-locking rack, and the other end is connected to one end of the linkage plate; The locking assembly comprises a locking groove arranged on the outer base, and two locking plates movably arranged on the handle head of the outer handle; The other end of the linkage plate passes through between the two locking plates, and the anti-locking rack drives the linkage plate to rotate through the anti-locking gear. The linkage plate will squeeze the backrest on the locking plate and drive the two locking plates to open outward, so that the end of the locking plate passes through the handle head and is placed in the locking groove, locking the outer handle to the outer base.

2. The ecological door lock according to claim 1 is characterized in that: One end of the anti-locking rack is provided with a pushing portion, the lower end surface of the inner handle is provided with a sliding window, the pushing portion passes through the sliding window and is placed at the lower end of the inner handle.

3. An ecological door lock according to claim 1 or 2, characterized in that: Positioning parts are provided on both sides of the reverse locking rack, one end of the positioning part protrudes outward and is provided with a positioning protrusion, and the inner handle is provided with a reverse locking positioning groove and an unlocking positioning groove that match the positioning protrusion; The positioning protrusion cooperates with the anti-locking positioning groove or the unlocking positioning groove to lock the anti-locking rack in the anti-locking position or the unlocking position.

4. The ecological door lock according to claim 3 is characterized in that: The outer handle is provided with a lock core, and the end of the linkage plate passes through between the two locking plates and is connected to the lock core.

Images