CN215255250U

CN215255250U - Cabinet door lock

Info

Publication number: CN215255250U
Application number: CN202121603891.1U
Authority: CN
Inventors: 陈勇; 熊奇; 王振贤; 刘晋武
Original assignee: Changyuan Contron Power Security Technology Co Ltd
Current assignee: Changyuan Contron Power Security Technology Co Ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-21
Anticipated expiration: 2031-07-14

Abstract

The utility model is suitable for a tool to lock field provides a cabinet door lock, including the lock shell, the cabinet door lock still includes lock core mechanism, connects in the lock body of lock shell, connects in the handle of lock body, connect in the lock body and can slide along the lock body in order to unblock the unblock slider of cabinet door, be connected with drive mechanism between handle and the unblock slider; the back of the lock shell is provided with an installation groove for installing the lock cylinder mechanism; the handle is provided with a lock pin, a locking block used for locking the lock pin is arranged in the lock shell, and the lock cylinder mechanism comprises a lock cylinder and a driving block which is driven by the lock cylinder to rotate and is used for driving the locking block to slide so as to enable the locking block to be separated from the lock pin. The utility model provides a pair of cabinet door lock adopts lock core and lock body components of a whole that can function independently modularization installation, only needs to change lock core part spare part when the lock core damages, is convenient for maintain and with low costs.

Description

Cabinet door lock

Technical Field

The utility model belongs to the tool to lock field especially relates to a cabinet door lock.

Background

In the prior art, a plurality of locks related to lock cylinder installation are usually installed in an integrated manner, and the lock cylinder is squeezed from the front and plugged into the lock body. In the actual installation process, the problem that the outer walls of the lock cylinder and the lock cylinder shell are extruded to cause that a cavity coating or material is scraped or the lock cylinder is jacked up often occurs, the locking and unlocking are jammed, and the use of the lockset is influenced; in addition, forget the key or some occasions that need use the instrument violently to prize the lock core, because the design intensity of lock core is greater than the lock body usually, the tool to lock of integral type installation lock core will be destroyed to as to need to change whole lock, greatly reduced installation effectiveness, and maintain and change the tool to lock with high costs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a cabinet door lock, adopt lock core and the split type installation of lock body, the lock core is not fragile in the installation, and the installation is convenient, only needs to change partial spare part of lock core when the lock core damages, is convenient for maintain and with low costs.

The technical scheme of the utility model is that: a cabinet door lock comprises a lock shell, and further comprises a lock cylinder mechanism, a lock body connected to the lock shell, a handle connected to the lock body, and an unlocking slide block connected to the lock body and capable of sliding along the lock body to unlock a cabinet door, wherein a transmission mechanism is connected between the handle and the unlocking slide block; the back of the lock shell is provided with an installation groove for installing the lock cylinder mechanism; the handle is provided with a lock pin, a locking block used for locking the lock pin is arranged in the lock shell, and the lock cylinder mechanism comprises a lock cylinder and a driving block which is driven by the lock cylinder to rotate and is used for driving the locking block to slide so as to enable the locking block to be separated from the lock pin.

As a further improvement of the technical scheme, the cabinet door lock further comprises a shifting plate connected to the locking block and an elastic piece used for driving the locking block and the shifting plate to reset; one end of the elastic piece is abutted against the shifting plate, and the other end of the elastic piece is abutted against the inside of the lock shell.

As a further improvement of the technical scheme, the driving block is arranged at the bottom of the lock cylinder; one side of the locking block is provided with a locking groove; the driving block is used for driving the locking block to slide so that the locking groove is separated from the locking pin.

As a further improvement of the present technical solution, the driving block has a V-shaped groove; one end of the shifting plate close to the driving block is provided with a V-shaped convex part matched with the V-shaped groove.

As a further improvement of the present invention, the transmission mechanism includes a first transmission plate connected to the unlocking slider, a first elastic member connected to the first transmission plate, a second transmission plate connected to the first transmission plate, and a second elastic member having one end connected to the second transmission plate; one end of the first elastic piece is abutted against the lock body; the other end of the second elastic piece is abutted against the handle.

As a further improvement of the technical scheme, the shifting plate is provided with a locking block locking piece for locking the locking block on the shifting plate, and one end of the shifting plate is provided with a shifting plate convex part for sleeving the elastic piece.

As a further improvement of the technical solution, the bottom of the lock body is provided with a guide part, and the unlocking slider can slide along the guide part; the edge of the unlocking slide block is provided with a sliding step part used for sliding along the guide part.

As a further improvement of this solution, the lock housing has a stop structure for limiting the angle of rotation of the drive block.

As a further improvement of the technical scheme, the lock cylinder mechanism comprises an intelligent code sheet arranged on the lock cylinder;

the lock core mechanism further comprises a dustproof cover arranged on the intelligent code sheet.

As a further improvement of the technical solution, the key cylinder mechanism further includes a key cylinder base shell sleeved on the key cylinder and a locking member for fixing the key cylinder base shell to the lock shell, one side of the key cylinder base shell has a convex portion, the locking member passes through the convex portion and is connected to the lock shell, and a locking member for locking the key cylinder is connected to a side surface of the key cylinder base shell through a thread.

The utility model provides a cabinet door lock, because the lock core is installed in lock core seat shell, lock core seat shell is installed in the lock shell, can slow down the outer wall of lock core and lock core seat shell and receive the extrusion, the lock core is also difficult to damage, and it is convenient to install; the lock core is installed in the lock shell, and the unblock slider is installed in the lock body, adopts the split type installation of lock core lock body, only needs to change partial spare part of lock core when the lock core damages, and be convenient for maintain and with low costs.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a three-dimensional assembly body of a cabinet door lock provided by an embodiment of the present invention;

fig. 2 is a three-dimensional assembly body at another view angle of the cabinet door lock provided by the embodiment of the present invention;

fig. 3 is a top view of a cabinet door lock provided by an embodiment of the present invention when locked;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a bottom view of the cabinet door lock provided by the embodiment of the present invention when locked;

fig. 6 is a top view of a cabinet door lock provided in an embodiment of the present invention when unlocked;

FIG. 7 is a schematic cross-sectional view taken along line B-B of FIG. 6;

fig. 8 is a bottom view of a cabinet door lock provided in an embodiment of the present invention when unlocked;

fig. 9 is a partially exploded schematic view of a cabinet door lock provided by an embodiment of the present invention;

fig. 10 is a schematic structural diagram of the locking block in the cabinet door lock according to an embodiment of the present invention. Reference numbers in the figures:

1-lock shell, 101-stop structure;

2-lock cylinder mechanism, 21-lock cylinder, 22-driving block, 221-V-shaped groove, 23-intelligent code sheet, 24-dust cover, 25-lock cylinder seat shell, 251-convex part, 26-locking piece and 27-locking piece;

3-lock body, 31-guide part;

4-a handle; 5-unlocking the slide block;

6-transmission mechanism, 61-first transmission plate, 62-second transmission plate, 63-first elastic member, 64-second elastic member;

7-locking block, 71-locking groove; 8-a locking pin;

9-dial plate, 91-V-shaped convex part;

10-an elastic member; 11-locking piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

In addition, in the embodiments of the present invention, if there are terms of orientation or positional relationship indicated by "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., it is based on the orientation or positional relationship shown in the drawings or the conventional placement state or use state, and it is only for convenience of description and simplification of description, but does not indicate or imply that the structures, features, devices or elements referred to must have a specific orientation or positional relationship, nor must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.

As shown in fig. 1 to 10, an embodiment of the present invention provides a cabinet door lock, which includes a lock case 1, the cabinet door lock further includes a lock cylinder mechanism 2 disposed in the lock case 1, a lock body 3 connected to the lock case 1, a handle 4 connected to the lock body 3, and an unlocking slider 5 connected to the lock body 3, the unlocking slider 5 can slide along the lock body 3 to unlock a cabinet door, and a transmission mechanism 6 is connected between the handle 4 and the unlocking slider 5; the back of the lock shell 1 is provided with an installation groove for installing the lock cylinder mechanism 2; the handle 4 is provided with a lock pin 8, a locking block 7 is arranged in the lock shell 1, and the locking block 7 is used for locking the lock pin 8; the lock cylinder mechanism 2 comprises a lock cylinder 21 and a driving block 22, wherein the lock cylinder 21 drives the driving block 22 to rotate, and the driving block 22 is used for driving the locking block 7 to slide so as to enable the locking block 7 to be disengaged from the lock pin 8. In the cabinet door lock provided by the embodiment of the utility model, the lock cylinder mechanism 2 is placed into the installation groove from the back of the lock shell 1, so that the extrusion of the lock cylinder mechanism 2 can be slowed down, the lock cylinder mechanism 2 is not easy to damage in the installation process, and the installation is convenient; the lock core mechanism 2 is installed in the lock shell 1, the unlocking sliding block 5 is installed in the lock body 3, the lock core mechanism 2 and the lock body 3 are installed in a split modular mode, installation is simple, when the lock core mechanism 2 is damaged, only part of parts of the lock core mechanism 2 need to be replaced, the whole lock does not need to be replaced, cost is low, and maintenance is facilitated.

Further, as shown in fig. 4, 7 and 10, the cabinet door lock further includes a shifting plate 9 and an elastic member 10, the shifting plate 9 is connected to the locking block 7, and the elastic member 10 is used for driving the locking block 7 and the shifting plate 9 to reset; one end of the elastic element 10 abuts against the shifting plate 9, and the other end of the elastic element 10 abuts against the inside of the lock shell 1. The shifting plate 9 is provided with a locking piece 11, the locking piece 11 is used for locking the locking piece 7 on the shifting plate 9, and one end of the shifting plate 9 is provided with a shifting plate convex part (not shown in the figure) for the elastic piece 10 to be sleeved on. In the embodiment provided by the utility model, a connecting plate for connecting the shifting plate 9 and the lock shell 1 is further arranged, one side of the lock shell 1 is provided with an accommodating groove for installing the elastic piece 10, and the other end of the elastic piece 10 can be propped against the bottom of the accommodating groove; the bottom of the locking piece 11 is provided with a locking hole, specifically, two locking holes are provided in the embodiment, and the locking piece 11 passes through the locking holes of the shifting plate 9, the lock shell 1 and the locking block 7 to lock the shifting plate 9, the lock shell 1 and the locking block 7 together.

Further, as shown in fig. 7 to 9, the driving block 22 is disposed at the bottom of the key cylinder 21; a locking groove 71 is formed in one side of the locking block 7, when the locking groove 71 is sleeved on the locking pin 8, the handle 4 can be locked on the lock body 3, the handle 4 cannot be operated at the moment, and the cabinet door is in a locking state; the driving block 22 can be used for driving the locking block 7 to slide, so that the locking groove 71 is disengaged from the locking pin 8, at this time, the handle 4 is in a non-locking state, a user can operate the handle 4, and the handle 4 drives the unlocking slider 5 to slide along the lock body 3 through the transmission mechanism 6 to unlock the cabinet door, so that the cabinet door is in an unlocking state. The driving block 22 has a V-shaped groove 221; one end of the shifting plate 9 close to the driving block 22 is provided with a V-shaped convex part 91 matched with the V-shaped groove 221. As an alternative embodiment, the groove wall of the V-shaped groove 221 can push the V-shaped protrusion 91 of the driving block 22, and the groove bottom of the V-shaped groove 221 and the topmost part of the V-shaped protrusion 91 have a rounded structure, so as to avoid being scratched during installation; specifically, the side surface of the driving block 22 is provided with two small V-shaped protrusions, and two adjacent side surfaces of the two small V-shaped protrusions form the V-shaped groove 221, so that the material is saved, and the processing is convenient. In this embodiment, the included angle between the two groove walls of the V-shaped groove 221 may be 90 ° to 180 °, the contact area is large, and the driving is stable and reliable.

Further, the transmission mechanism 6 includes a first transmission plate 61 connected to the unlocking slider 5, a first elastic member 63 connected to the first transmission plate 61, a second transmission plate 62 connected to the first transmission plate 61, and a second elastic member 64 having one end connected to the second transmission plate 62; one end of the first elastic member 63 abuts against the lock body 3; the other end of the second elastic element 64 abuts against the handle 4. As an optional embodiment, the first elastic member 63 and the second elastic member 64 are tension springs, the transmission mechanism 6 further includes a first lock pin, a second lock pin and a third lock pin, one surface of the unlocking slider 5, which is close to the handle 4, is provided with two opposite inclined protrusions, the inclined protrusions are provided with through holes, inner walls of two side surfaces of the first transmission plate 61 are respectively attached to the outermost sides of the inclined protrusions, both ends and the middle portion of the first transmission plate 61 are provided with through holes penetrating through the two side surfaces, the first lock pin penetrates through the two sides of the first transmission plate 61 and the through holes of the inclined protrusions, and the tension springs are sleeved on the first lock pin; through holes are formed in both ends of the second transmission plate 62, and a second lock pin penetrates through the through hole in the middle of the first transmission plate 61 and one end of the second transmission plate 62; the second lock pin passes through the through hole at the other end of the first transmission plate 61 and the through hole at the other end of the second transmission plate 62; the tension spring is sleeved on the third lock pin, and one end of the tension spring is connected to the second transmission plate 62; during unlocking, the handle 4 is separated from the limit of the lock pin 8, the handle 4 is jacked up by the tension spring, and the unlocking sliding block 5 can slide along the bottom of the lock body 3 to unlock the cabinet door.

Further, the bottom of the lock body 3 has a guide portion 31, and the unlocking slider 5 can slide along the guide portion 31; the edge of the unlocking slide block 5 is provided with a sliding step part (not shown in the figure), the sliding step part (not shown in the figure) can slide stably along the guide part 31, and the cabinet door is smooth and does not block when unlocked and locked. As an optional embodiment, the bottom of the unlocking slider 5 is provided with two unlocking protrusions, the unlocking protrusions are matched with the pull rod on one side of the cabinet door, and the unlocking protrusions drive the pull rod to slide so that one end of the pull rod is separated from the lock hole of the cabinet door, and unlocking can be performed.

Further, as shown in fig. 2 and 7, the lock case 1 has a stopper 101, and the stopper 101 is used for limiting the rotation angle of the driving block 22. The utility model provides an in the embodiment, backstop structure 101 is the bellying that lock shell 1 inner wall both sides set up, during the unblock, two lateral surfaces of the V-arrangement groove 221 of drive block 22 can backstop in the bellying, avoid lock core 21 rotation excessively and make the most convex part of V-arrangement groove 221 cross the top of V-arrangement convex part 91, are unfavorable for dialling the reset of board 9 and drive block 22, cause the tool to lock inefficacy even.

Further, as shown in fig. 9, the key cylinder mechanism 2 includes a smart chip 23 provided on the key cylinder 21; the intelligent code sheet 23 is used for feeding back that the cabinet door lock is in an unlocking state or a locking state, and is convenient to use.

The lock core mechanism 2 further comprises a dustproof cover 24 arranged on the intelligent code sheet 23, so that the lock core mechanism can prevent water and dust, and the service life of the cabinet door lock is prolonged.

Further, the key cylinder mechanism 2 further comprises a key cylinder base shell 25 sleeved on the key cylinder 21 and a locking member 26 for fixing the key cylinder base shell 25 to the lock shell 1, one side of the key cylinder base shell 25 is provided with a convex portion 251, the locking member 26 passes through the convex portion 251 and is connected to the lock shell 1, and a locking member 27 for locking the key cylinder 21 is connected to the side surface of the key cylinder base shell 25 in a threaded manner.

The lock cylinder seat shell 25 is connected with the lock shell 1 through the locking piece 26 arranged on the convex part 251, the connection is reliable, the extrusion of the lock cylinder seat shell 25 and the lock shell 1 can be reduced, and the lock cylinder seat shell 25 is not easy to damage.

The embodiment of the utility model provides a pair of unblock process of cabinet door lock: inserting an adaptive key into the lock cylinder 21, enabling the lock cylinder 21 to drive the driving block 22 to rotate, enabling the driving block 22 to push the shifting plate 9 and the locking block 7 to slide, enabling the lock groove 71 of the locking block 7 to be separated from the lock pin 8, enabling the handle 4 to be separated from the limit of the locking block 7 and bounce under the action of a third elastic piece, rotating the handle 4, enabling the unlocking slide block 5 to slide along the lock body 3 and unlock the cabinet door, and completing unlocking.

The embodiment of the utility model provides a pair of shutting process of cabinet door lock: the handle 4 is pressed, and the handle 4 drives the unlocking slide block 5 to slide; the elastic piece 10 drives the shifting plate 9 and the locking block 7 to slide in the reciprocating direction, and the locking block 7 is connected with the lock pin 8 to complete locking.

The embodiment of the utility model provides a cabinet door lock, because lock core 21 installs in lock cylinder seat shell 25, lock cylinder seat shell 25 through set up retaining member 26 on convex part 251 with lock shell 1 locking, connect reliably, and can reduce the extrusion between lock core 21 and lock cylinder seat shell 25 and between lock cylinder seat shell 25 and lock shell 1, lock core 21 and lock cylinder seat shell 25 are also difficult for damaging in the installation; the lock cylinder 21 and the lock cylinder seat shell 25 are arranged in the lock shell 1, the unlocking slide block 5 is arranged in the lock body 3, the split modular installation of the lock cylinder 21 and the lock body 3 is more convenient, when the lock cylinder 21 or the lock cylinder seat shell 25 is damaged, only part of parts of the lock cylinder mechanism 2 need to be replaced, the whole lock does not need to be replaced, the cost is low, and the maintenance is convenient.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A cabinet door lock comprises a lock shell and is characterized by further comprising a lock cylinder mechanism, a lock body connected to the lock shell, a handle connected to the lock body, and an unlocking slide block connected to the lock body and capable of sliding along the lock body to unlock a cabinet door, wherein a transmission mechanism is connected between the handle and the unlocking slide block; the back of the lock shell is provided with an installation groove for installing the lock cylinder mechanism; the handle is provided with a lock pin, a locking block used for locking the lock pin is arranged in the lock shell, and the lock cylinder mechanism comprises a lock cylinder and a driving block which is driven by the lock cylinder to rotate and is used for driving the locking block to slide so as to enable the locking block to be separated from the lock pin.

2. The cabinet door lock of claim 1, further comprising a toggle plate connected to the latching block and a resilient member for driving the latching block and the toggle plate to return; one end of the elastic piece is abutted against the shifting plate, and the other end of the elastic piece is abutted against the inside of the lock shell.

3. The cabinet door lock of claim 2, wherein the driving block is disposed at the bottom of the lock cylinder; one side of the locking block is provided with a locking groove; the driving block is used for driving the locking block to slide so that the locking groove is separated from the locking pin.

4. The cabinet door lock of claim 3, wherein the drive block has a V-shaped slot; one end of the shifting plate close to the driving block is provided with a V-shaped convex part matched with the V-shaped groove.

5. The cabinet door lock according to any one of claims 1 to 4, wherein the actuating mechanism comprises a first actuating plate connected to the unlocking slider and a first elastic member connected to the first actuating plate, a second actuating plate connected to the first actuating plate, a second elastic member connected at one end to the second actuating plate; one end of the first elastic piece is abutted against the lock body; the other end of the second elastic piece is abutted against the handle.

6. The cabinet door lock as claimed in any one of claims 2 to 4, wherein the dial plate is provided with a locking piece locking member for locking the locking piece to the dial plate, and one end of the dial plate is provided with a dial plate protrusion for the elastic member to be sleeved on.

7. The cabinet door lock of any one of claims 1-4, wherein the lock body has a guide portion at a bottom thereof along which the unlocking slider is slidable; the edge of the unlocking slide block is provided with a sliding step part used for sliding along the guide part.

8. A cabinet door lock according to claim 3 or 4, wherein the lock housing has a stop for limiting the angle of rotation of the drive block.

9. The cabinet door lock according to claim 3 or 4, wherein the lock cylinder mechanism comprises a smart chip disposed on the lock cylinder;

10. The cabinet door lock according to claim 9, wherein the plug mechanism further comprises a plug housing received in the plug and a locker for fixing the plug housing to the lock housing, the plug housing having a protrusion on one side thereof, the locker passing through the protrusion and being coupled to the lock housing, and a locking member for locking the plug being threadedly coupled to a side of the plug housing.