Lock shell and lock

Abstract

The utility model relates to the technical field of locks, in particular to a lock case and locks.The lock case comprises a lock case body, a circuit board type groove is formed in the back face of the lock case body and used for installing a PBC, and a lock hole is formed in the side wall of the lock case body and used for installing a spring bolt; a battery cavity and a driving cavity communicated with the lock hole are formed in the front face of the lock shell body, the battery cavity is used for installing a battery module, the driving cavity is used for installing a driving module, the lock shell body is locked and attached to the inner wall of a drawer through a locking piece, and the back face of the lock shell body abuts against the inner wall of the drawer. A front sealing cover used for sealing and covering the battery cavity and the driving cavity is arranged on the front face of the lock shell body. The method has the effect of improving the disassembly and assembly convenience of the PBC circuit board.

Description

Technical Field

[0001] The present application relates to the technical field of locks, and in particular to a lock housing and a lock. Background Art

[0002] Currently, drawers are installed on furniture such as wardrobes, bedside cabinets, and storage cabinets. Some users will choose to store valuable / private items in the drawers of indoor furniture. To ensure the security of the above items, users will choose to install locks on the drawers. To facilitate unlocking and improve security, password locks or fingerprint locks are usually used.

[0003] The existing locks (password locks / fingerprint locks) include a lock housing with an installation cavity, a lock tongue slidably connected to the lock housing, a PBC circuit board built in the installation cavity, a battery module built in the installation cavity, a driving module built in the installation cavity to drive the lock tongue to slide, and an unlocker provided on the outer wall of the drawer for inputting an unlocking instruction. The battery module, the driving module, and the unlocker are all electrically connected to the PBC circuit board. However, the PBC circuit board is built in the installation cavity. When the PBC circuit board needs to be repaired, it is not convenient to disassemble and assemble the PBC circuit board. Therefore, further improvement is needed. Summary of the Utility Model

[0004] In order to improve the convenience of disassembling and assembling the PBC circuit board, one of the purposes of the present application is to provide a lock housing.

[0005] The lock housing provided by the present application adopts the following technical solutions:

[0006] A lock housing includes a lock housing body. A circuit board groove is formed on the back surface of the lock housing body for installing a PBC circuit board. A lock hole is formed on the side wall of the lock housing body for installing a lock tongue. A battery cavity and a driving cavity communicating with the lock hole are formed on the front surface of the lock housing body. The battery cavity is used for installing a battery module, and the driving cavity is used for installing a driving module. The lock housing body is locked to the inner wall of the drawer through a locking member, and the back surface of the lock housing body abuts against the inner wall of the drawer. A front cover for covering the battery cavity and the driving cavity is provided on the front surface of the lock housing body.

[0007] By adopting the above technical solutions, after the PBC circuit board is installed in the circuit board groove on the back surface of the lock housing body, the back surface of the lock housing body is directly abutted against the inner wall of the drawer and locked through a locking member. The installation surface of the drawer covers the PBC circuit board. On the one hand, there is no need to add an additional rear cover, reducing the thickness dimension of the lock housing body, thereby reducing the occupied space of the lock housing body. On the other hand, when the PBC circuit board needs to be maintained, after removing the locking member, the entire lock housing body is disassembled, and the PBC circuit board can be directly disassembled and assembled from the back surface of the lock housing body, improving the convenience of disassembling and assembling the PBC circuit board.

[0008] Preferably, the battery cavity and the driving cavity are respectively located on both sides of the keyhole.

[0009] By adopting the above technical solution, the battery cavity and the driving cavity are respectively located on both sides of the keyhole, so that the battery cavity and the driving cavity are distributed left and right, effectively reducing the width dimension of the lock shell body.

[0010] Preferably, the battery cavity is located below the driving cavity.

[0011] By adopting the above technical solution, the battery cavity is located below the driving cavity, so that the driving cavity and the battery cavity are distributed up and down, effectively reducing the length dimension of the lock shell body.

[0012] Preferably, the front cover includes a battery cover plate that is clamped on the front of the lock shell body to cover the battery cavity. A card slot is provided on the inner side wall of the battery cavity. A card projection that is inserted into the card slot is convexly fixed on one side of the battery cover plate. A jack is provided on the front of the lock shell body. The other end of the battery cover plate is fixedly connected with an insertion post that is inserted into the jack. An elastic ring that abuts against the inner wall of the jack is embedded on the outer peripheral wall of the insertion post.

[0013] By adopting the above technical solution, when installing the battery cover plate, first slide the card projection on the battery cover plate into the card slot, and then insert the insertion post at the other end of the battery cover plate into the jack. The elastic ring on the insertion post is compressed to elastically deform and abut against the inner wall of the jack, so that an interference fit is formed between the insertion post and the jack.

[0014] Preferably, a first installation hole and a second installation hole are penetrated through the front of the lock shell body, and the locking member is an installation bolt that slides through the first installation hole / the second installation hole.

[0015] By adopting the above technical solution, the first installation hole and the second installation hole are provided, and the installation bolt passes through the first installation hole and the second installation hole and is locked to the inner wall of the drawer, realizing the two-point fixed installation of the lock shell body.

[0016] Preferably, both the first installation hole and the second installation hole are strip-shaped holes.

[0017] By adopting the above technical solution, both the first installation hole and the second installation hole are strip-shaped holes, so that the installation bolt can be slid and adjusted along the length direction of the first installation hole / the second installation hole, improving the installation error tolerance rate.

[0018] Preferably, the length direction of the first installation hole is horizontally arranged, and the length direction of the second installation hole is vertically arranged.

[0019] By adopting the above technical solution, the length directions of the first installation hole and the second installation hole are perpendicular, which is convenient for flexibly adjusting the installation position of the lock housing body and improving the installation flexibility of the lock housing body.

[0020] In order to improve the convenience of disassembling and assembling the PBC circuit board, the second object of the present application is to provide a lock.

[0021] A lock includes a lock housing, and further includes a battery module built in the battery cavity. The battery module includes a battery compartment box with an open front and placed in the battery cavity, and a battery body built in the battery compartment box. The battery body is electrically connected to the battery compartment box, and the battery compartment box is electrically connected to the PBC circuit board through a wire.

[0022] By adopting the above technical solution, after placing the battery compartment box assembled with the battery body in the battery cavity, the assembly efficiency of the lock is effectively improved.

[0023] Preferably, the battery compartment box is locked to the lock housing body by screws. A positioning hole is opened on the bottom wall of the battery cavity, and a positioning convex column inserted into the positioning hole is fixedly connected to the back surface of the battery compartment box in a protruding manner.

[0024] By adopting the above technical solution, the battery compartment box is fixed to the lock housing body by screws, improving the structural stability of the battery compartment box. The positioning convex column on the battery compartment box is inserted into the positioning hole, aligning the installation hole positions of the battery compartment box and the lock housing body, which is convenient for locking the screws.

[0025] Preferably, the PBC circuit board is locked to the circuit board groove by screws.

[0026] By adopting the above technical solution, the detachable connection between the PBC circuit board and the lock housing body is realized by screws.

[0027] In summary, the present utility model has the following beneficial effects:

[0028] 1. After the PBC circuit board is installed in the circuit board groove on the back surface of the lock housing body, the back surface of the lock housing body is directly abutted against the inner wall of the drawer and locked by a locking member. The installation surface of the drawer covers the PBC circuit board. On the one hand, there is no need to add an additional rear cover plate, reducing the thickness dimension of the lock housing body and thus reducing the occupied space of the lock housing body. On the other hand, when it is necessary to maintain the PBC circuit board, after removing the locking member, the lock housing body is disassembled as a whole, and the PBC circuit board can be directly disassembled and assembled from the back surface of the lock housing body, improving the convenience of disassembling and assembling the PBC circuit board;

[0029] 2. The battery compartment box is fixed to the lock housing body by screws, improving the structural stability of the battery compartment box. The positioning convex column on the battery compartment box is inserted into the positioning hole, aligning the installation hole positions of the battery compartment box and the lock housing body, which is convenient for locking the screws;

[0030] 3. The length directions of the first installation hole and the second installation hole are perpendicular, which is convenient for flexibly adjusting the installation position of the lock housing body and improving the installation flexibility of the lock housing body. Description of the Drawings

[0031] Figure 1 is a schematic diagram of the overall back structure of a lock in Embodiment 1;

[0032] Figure 2 is a schematic diagram of the overall front structure of a lock in Embodiment 1;

[0033] Figure 3 is a schematic diagram of the structure of the battery module in Embodiment 1;

[0034] Figure 4 is a schematic diagram of the connection structure between the battery compartment box and the lock housing body in Embodiment 1;

[0035] Figure 5 is a schematic diagram of the structure of the drive module in Embodiment 1;

[0036] Figure 6 is a schematic diagram of the connection structure between the lock tongue and the eccentric rod in Embodiment 1;

[0037] Figure 7 is a schematic diagram of the structure of the battery cover plate in Embodiment 1;

[0038] Figure 8 is a schematic diagram of the distribution of the battery cavity and the drive cavity in Embodiment 2.

[0039] In the figures, 1. Lock housing body; 10. Installation bolt; 11. Circuit board groove; 12. Lock hole; 13. Battery cavity; 131. Positioning hole; 132. Card slot; 14. Drive cavity; 15. First installation hole; 16. Second installation hole; 17. Control cavity; 171. Reset hole; 18. Jack; 19. Wiring port; 2. PBC circuit board; 21. Wiring socket; 22. Wiring terminal; 23. Controller; 3. Lock tongue; 31. Drive groove; 4. Battery module; 41. Battery compartment box; 42. Battery body; 43. Positioning convex column; 5. Drive module; 51. Drive motor; 52. Gearbox; 53. Driving wheel; 54. Eccentric rod; 6. Front cover; 61. Battery cover plate; 62. Drive cover plate; 63. Card convex; 64. Plug post; 65. Elastic ring. Detailed Embodiments

[0040] The following further elaborates on this application in conjunction with the attached Figure 1-8 drawings for a more detailed description.

[0041] Embodiment 1:

[0042] An embodiment of the present application discloses a lock, referring to Figure 1 , which includes a lock housing body 1, a PBC circuit board 2, a lock tongue 3, a battery module 4, a driving module 5, and an unlocker (not shown in the figure). A circuit board groove 11 is formed on the back surface of the lock housing body 1, and the PBC circuit board 2 is embedded in the circuit board groove 11. In this embodiment, the PBC circuit board 2 is fixed to the inner wall of the circuit board groove 11 by screws. In other embodiments, the PBC circuit board 2 can be fixed to the circuit board groove 11 by snap fixation or adhesive fixation.

[0043] Referring to Figure 2 、 Figure 3 , a lock hole 12 is formed on the upper side wall of the lock housing body 1. The axial direction of the lock hole 12 is parallel to the width direction of the lock housing body 1. The lock tongue 3 is slidably inserted into the lock hole 12, and the upper end of the lock tongue 3 is used to be inserted into the lock groove on the inner wall of the drawer cabinet. A battery cavity 13 and a driving cavity 14 communicating with the lock hole 12 are formed on the front surface of the lock housing body 1. In this embodiment, the battery cavity 13 and the driving cavity 14 are distributed along the length direction of the lock housing body 1, and the battery cavity 13 and the driving cavity 14 are respectively located on both sides of the lock hole 12, so that the battery cavity 13 and the driving cavity 14 are distributed left and right.

[0044] The battery module 4 includes a battery compartment box 41 and a battery body 42. The front surface of the battery compartment box 41 is open. The battery compartment box 41 is fixed to the battery cavity 13 by screws. The battery body 42 is installed in the battery compartment box 41, and the battery body 42 is electrically connected to the battery compartment box 41. The battery compartment box 41 is electrically connected to the PBC circuit board 2 through a wire. A first wire groove communicating with the circuit board groove 11 for the wire to pass through is formed on the inner wall of the battery cavity 13.

[0045] Referring to Figure 3 、 Figure 4 , the outer walls of the battery compartment box 41 on the opposite sides in the length direction are abutted against the inner side wall of the battery cavity 13. A positioning hole 131 is formed on the bottom wall of the battery cavity 13. A positioning convex column 43 inserted into the positioning hole 131 is fixedly connected to the back surface of the battery compartment box 41. The positioning convex column 43 is inserted into the positioning hole 131, and there is a wire routing gap between the outer side wall of the battery compartment box 41 close to the lock hole 12 and the inner wall of the battery cavity 13 for the wire to pass through the first wire groove.

[0046] Referring to Figure 3 、 Figure 5 、 Figure 6, the driving module 5 includes a driving motor 51 fixedly connected to the driving cavity 14, a gearbox 52 fixedly connected to the driving cavity 14, a driving wheel 53 coaxially and fixedly connected to the output shaft of the gearbox 52, and an eccentric rod 54 fixedly connected to the driving wheel 53. The locking tongue 3 has a driving groove 31 extending radially, and the length direction of the driving groove 31 is parallel to the thickness direction of the lock housing body 1. The eccentric rod 54 is slidably inserted into the driving groove 31, and the axial direction of the driving wheel 53 is perpendicular to the axial direction of the locking tongue 3. The output shaft of the driving motor 51 is coaxially and fixedly connected to the input shaft of the gearbox 52. By driving the driving wheel 53 to rotate through the driving motor 51, the locking tongue 3 is driven to slide through the eccentric rod 54 to lock or unlock. The driving motor 51 is electrically connected to the PBC circuit board 2 through a wire, and a second wire groove communicating with the circuit board groove 11 for the wire to pass through is provided on the inner wall of the driving cavity 14.

[0047] Refer to Figure 2 , Figure 3 , the lock housing body 1 is provided with a first installation hole 15 and a second installation hole 16 penetrating along the thickness direction. Both the first installation hole 15 and the second installation hole 16 are strip-shaped holes. The first installation hole 15, the second installation hole 16 and the driving cavity 14 are located on the same side of the lock hole 12. The first installation hole 15 is located above the driving cavity 14, and the length direction of the first installation hole 15 is parallel to the length direction of the lock housing body 1. The second installation hole 16 is located below the driving cavity 14, and the length direction of the second installation hole 16 is parallel to the width direction of the lock housing body 1. The lock housing body 1 is attached to the inner wall of the drawer through a locking member, and the locking member is an installation bolt 10 slidably inserted into the first installation hole 15 / the second installation hole 16.

[0048] Refer to Figure 3 , Figure 4, on the outer side wall of the lower end of the lock housing body 1, a wiring port 19 communicating with the circuit board slot 11 is provided. The PBC circuit board 2 has a wiring socket 21. The lock housing body 1 is provided with a wiring terminal 22 passing through the wiring port 19 and inserted into the wiring socket 21. The wiring terminal 22 is electrically connected to the wiring socket 21, and the wiring terminal 22 is electrically connected to the unlocker through a wire. The unlocker is used to be installed on the outer wall of the drawer, and the unlocker can be a password unlocker or a fingerprint unlocker. In this embodiment, the unlocker is a fingerprint unlocker. On the front surface of the lock housing body 1, a control cavity 17 is provided on one side of the second installation hole 16. The control cavity 17 is located below the driving cavity 14. The PBC circuit board 2 is electrically connected to a controller 23 built in the control cavity 17. A reset hole 171 communicating with the control cavity 17 is provided on the side wall of the lock housing body 1. The controller 23 has a reset button inserted into the reset hole 171. In this embodiment, by pressing the reset button on the controller 23, the fingerprint sample data collected by the fingerprint unlocker can be cleared to re-set the fingerprint sample data. In other embodiments, by pressing the reset button, the data parameters on the PBC circuit board 2 can be adjusted or the power-on / off setting can be changed.

[0049] Refer to Figure 2 , Figure 3 , Figure 7 , on the front surface of the lock housing body 1, a front cover 6 is provided. The front cover 6 includes a battery cover plate 61 and a driving cover plate 62. The battery cover plate 61 is clamped on the front surface of the lock housing body 1 to cover the battery compartment 41. Specifically, a clamping groove 132 is provided on the inner side wall of the battery cavity 13. A clamping projection 63 inserted into the clamping groove 132 is convexly fixed on one side of the battery cover plate 61. An insertion hole 18 is provided on the front surface of the lock housing body 1. The other end of the battery cover plate 61 is fixedly connected with an insertion post 64 inserted into the insertion hole 18. An elastic ring 65 abuting against the inner wall of the insertion hole 18 is embedded on the outer peripheral wall of the insertion post 64. The driving cover plate 62 is locked to the front surface of the lock housing body 1 by screws. The driving cover plate 62 covers the driving cavity 14 and the control cavity 17. Both the driving cover plate 62 and the PBC circuit board 2 have avoidance grooves for the installation bolts 10 to pass through.

[0050] The implementation principle of a lock case in an embodiment of this application is as follows: The battery module 4 and the drive module 5 are installed on the front of the lock case body 1, and the PBC circuit board 2 is installed on the back of the lock case body 1, so that the PBC circuit board 2, the battery module 4, and the drive module 5 are stacked, effectively reducing the thickness dimension of the lock case body 1, thereby reducing the occupied space of the lock case body 1. In addition, the back of the lock case body 1 is directly abutted against the inner wall of the drawer, and the PBC circuit board 2 is covered by the installation surface of the drawer, without adding an extra rear cover plate. When maintenance of the PBC circuit board 2 is required, after removing the locking fastener, the entire lock case body 1 is disassembled, and the PBC circuit board 2 can be directly disassembled and assembled from the back of the lock case body 1, improving the convenience of disassembling and assembling the PBC circuit board 2. The battery cavity 13 and the drive cavity 14 are respectively located on both sides of the lock hole 12, so that the battery cavity 13 and the drive cavity 14 are distributed left and right, effectively reducing the width dimension of the lock case body 1.

[0051] Embodiment 2:

[0052] The difference from Embodiment 1 is that, referring to Figure 8 , the battery cavity 13 is located below the second installation hole 16 and the control cavity 17, so that the drive cavity 14 and the battery cavity 13 are distributed up and down, effectively reducing the length dimension of the lock case body 1.

[0053] The above are all the preferred embodiments of this application. The protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A lock housing, characterized in that: The invention comprises a lock shell body (1), wherein a circuit board groove (11) is provided on the back of the lock shell body (1), and the circuit board groove (11) is used to install a PBC circuit board (2); a lock hole (12) is provided on the side wall of the lock shell body (1), and the lock hole (12) is used to install a lock tongue (3); a battery cavity (13) and a drive cavity (14) connected to the lock hole (12) are provided on the front of the lock shell body (1); the battery cavity (13) is used to install a battery module (4); and the drive cavity (14) is used to install a drive module (5); the lock shell body (1) is locked to the inner wall of a drawer through a locking piece, and the back of the lock shell body (1) abuts against the inner wall of the drawer; and a front cover (6) for covering the battery cavity (13) and the drive cavity (14) is provided on the front of the lock shell body (1).

2. The lock case according to claim 1, characterized in that: The battery cavity (13) and the drive cavity (14) are respectively located on both sides of the lock hole (12).

3. A lock housing according to claim 1, characterized in that: The battery cavity (13) is located below the drive cavity (14).

4. A lock housing according to claim 1, wherein: The front cover (6) includes a battery cover (61) that is clamped on the front of the lock shell body (1) to cover the battery cavity (13), the inner side wall of the battery cavity (13) is provided with a clamping groove (132), one side of the battery cover (61) is protruded and fixed with a clamping protrusion (63) that is inserted into the clamping groove (132), the front of the lock shell body (1) is provided with a socket (18), the other end of the battery cover (61) is fixedly connected with a plug (64) that is inserted into the socket (18), and the outer peripheral wall of the plug (64) is embedded with an elastic ring (65) that abuts against the inner wall of the socket (18).

5. A lock housing according to claim 1, characterized in that: A first mounting hole (15) and a second mounting hole (16) are formed through the front surface of the lock housing body (1), and the locking member is a mounting bolt (10) that is slidably inserted into the first mounting hole (15) / the second mounting hole (16).

6. The lock housing according to claim 5, characterized in that: The first mounting hole (15) and the second mounting hole (16) are both strip-shaped holes.

7. A lock case according to claim 6, characterized in that: The length direction of the first mounting hole (15) is arranged in a transverse direction, and the length direction of the second mounting hole (16) is arranged in a longitudinal direction.

8. A lock, characterized in that: A lock case comprising a lock shell as claimed in any one of claims 1 to 7, further comprising a battery module (4) built into a battery cavity (13), wherein the battery module (4) comprises a battery compartment box (41) with an opening on the front side and placed in the battery cavity (13), and a battery body (42) built into the battery compartment box (41), wherein the battery body (42) is electrically connected to the battery compartment box (41), and the battery compartment box (41) is electrically connected to a PBC circuit board (2) via a wire.

9. A lock according to claim 8, characterized in that: The battery compartment box (41) is fixed to the lock housing body (1) by screws, a positioning hole (131) is provided on the bottom wall of the battery cavity (13), and a positioning boss (43) is fixedly connected to the back of the battery compartment box (41) and inserted into the positioning hole (131).

10. A lock according to claim 8, characterized in that: The PBC circuit board (2) is fixed to the circuit board groove (11) by screws.

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