Control circuit board assembly of intelligent lock

Abstract

The utility model provides a control circuit board assembly of an intelligent lock, and relates to the field of intelligent locks, the control circuit board assembly comprises an intelligent lock body, a circuit board body and a fixing mechanism, one side of the intelligent lock body is provided with a fixing groove, and the circuit board body is located in the fixing groove. The four corners of the circuit board body are fixedly connected with one side of the inner wall of the fixing groove through fixing mechanisms correspondingly, through holes in the four corners of the circuit board body are aligned with one ends of the four fixing piles correspondingly, the four corners of the circuit board body are arranged on the surfaces of the four fixing piles in a sleeving mode correspondingly, and the circuit board body is preliminarily positioned; then one end of a fixing rod is aligned with a hole formed in one end of a fixing pile, a fixing column is pressed to push the fixing rod to slide into the hole, and a clamping block is clamped into an annular clamping groove to limit the fixing rod, so that the circuit board body is fixed; and the circuit board can be conveniently fixed to a certain extent.

Description

Technical Field

[0001] The utility model relates to the field of smart locks, in particular to a control circuit board component of a smart lock. Background Art

[0002] Smart locks are a type of security locks that are implemented through electronic technology. They integrate technologies such as the Internet of Things, cryptography, and biometrics, and have higher security and convenience. Smart locks can use a variety of unlocking methods, such as password unlocking, fingerprint recognition, and identity verification. Compared with traditional metal keys, smart locks use advanced encryption algorithms and security authentication technologies to provide higher security and effectively prevent problems such as prying and key loss. There is no need to carry physical keys, and you can easily unlock the lock with just a mobile phone or fingerprint or other identity authentication device. At the same time, remote authorization and management are possible, making it convenient to grant permissions to others.

[0003] A control circuit board is provided inside the smart lock, and the opening or closing of the smart lock is controlled by the algorithm of the control circuit board. In order to facilitate the installation of the control circuit board in the smart lock, four through holes are generally opened at the four corners of the circuit board, and screws are passed through the through holes to fix the four corners of the circuit board to the smart lock. When fixing, tools are needed to rotate the screws in turn. This way of fixing the circuit board is relatively inconvenient.

[0004] Therefore, it is necessary to provide a new control circuit board assembly for a smart lock to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a control circuit board assembly for a smart lock.

[0006] The utility model provides a control circuit board assembly for a smart lock, comprising a smart lock body, a circuit board body and a fixing mechanism, wherein a fixing groove is provided on one side of the smart lock body, the circuit board body is located in the fixing groove, and the four corners of the circuit board body are fixedly connected to one side of the inner wall of the fixing groove through the fixing mechanism;

[0007] The fixing mechanism comprises a fixing rod, a fixing column, a fixing pile, two clamping blocks and a driving member, wherein the four corners of the circuit board are provided with through holes, the bottom of the fixing pile is fixedly connected to the bottom of the inner wall of the fixing groove, the top of the fixing pile passes through the through hole, the outer surface of the fixing pile is in contact with the inner wall of the through hole, the top of the fixing pile is provided with a hole, the bottom of the fixing rod is located in the hole, and the top of the fixing rod is provided with a mounting groove, the two clamping blocks are symmetrically arranged in the mounting groove, one end of the two clamping blocks are inclined, one end of the two clamping blocks are inclined to pass through one side of the inner wall of the mounting groove and extend to the outside of the fixing rod, the inner wall of the hole is provided with an annular clamping groove matching one end of the clamping block, the two clamping blocks are clamped with the annular clamping groove, one end of the fixing column is provided with a groove, and the top of the fixing rod is fixedly connected to one side of the inner wall of the groove.

[0008] Preferably, the driving member includes a pressing column, a spring, a lifting plate and two driving plates, a fixing plate is fixedly provided in the mounting groove, one side of the two driving plates are respectively fitted with two sides of the card block, a driving column is respectively provided on two sides of the card block, and a sliding groove is respectively opened on the opposite sides of the two driving plates, the driving column on one side of the card block is located in the sliding groove, and the driving column can slide in the sliding groove, the top of the two driving plates are fixedly connected to the bottom of the lifting plate, the top of the lifting plate is fixedly connected to the bottom of the pressing column, the top of the pressing column sequentially passes through the fixing plate and one side of the inner wall of the groove, a baffle is fixedly provided on the surface of the pressing column, the spring is movably sleeved on the surface of the pressing column, and both ends of the spring are respectively fixedly connected to the bottom of the baffle and the bottom of the fixing plate.

[0009] Preferably, an inner side wall of the groove formed on one side of the fixing column is in contact with a side surface of the fixing pile, and a bottom of the fixing column is in contact with a top of the circuit board body.

[0010] Preferably, the top and the bottom of the card block are respectively provided with limiting plates, both ends of the two limiting plates are fixedly connected to the inner wall of the installation groove, and the card block can slide between the two limiting plates.

[0011] Preferably, the side surface of the fixing column is provided with a plurality of protrusions for increasing friction.

[0012] Preferably, the top end of the fixing pile is inclined from the outer wall toward the inner wall of the hole, and the degree of inclination is the same as the degree of inclination of the inclined surface at one end of the blocking block.

[0013] Compared with the related art, the control circuit board assembly of a smart lock provided by the utility model has the following beneficial effects:

[0014] By aligning the through holes at the four corners of the circuit board body with one end of the four fixing piles, the four corners of the circuit board body are respectively sleeved on the surfaces of the four fixing piles to preliminarily position the circuit board body, and then aligning one end of the fixing rod with the hole opened at one end of the fixing pile, pressing the fixing column so that the fixing column pushes the fixing rod to slide into the hole, and then the driving member drives the card block to retract into the installation groove. When the card block is aligned with the annular card groove set on the inner wall of the hole, the driving member causes the card block to be stuck in the annular card groove, thereby limiting the fixing rod. At this time, the bottom end of the fixing column is in contact with the top of the fixing plate body, and the two sides of the circuit board body are squeezed by the bottom end of the fixing column and one side of the fixing pile to fix the circuit board body. The above structure facilitates the fixing of the circuit board to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the overall structure of a control circuit board assembly of a smart lock provided by the utility model;

[0016] Figure 2 A schematic cross-sectional structure diagram of a control circuit board assembly of a smart lock provided by the utility model;

[0017] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of shown;

[0018] Figure 4 for Figure 1 An exploded structural diagram of the fixing mechanism shown;

[0019] Figure 5 for Figure 4 Schematic diagram of the internal structure of the fixing mechanism shown.

[0020] Numbers in the figure: 1. Smart lock body; 2. Circuit board body; 3. Fixing groove; 4. Fixing rod; 5. Fixing column; 6. Fixing pile; 7. Block; 8. Annular slot; 9. Groove; 10. Pressing column; 11. Spring; 12. Lifting plate; 13. Driving plate; 14. Fixing plate; 15. Slide groove; 16. Driving column; 17. Baffle; 18. Limiting plate; 19. Bump. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1-Figure 5 ,in, Figure 1 A schematic diagram of the overall structure of a control circuit board assembly of a smart lock provided by the utility model; Figure 2 A schematic cross-sectional structure diagram of a control circuit board assembly of a smart lock provided by the utility model; Figure 3 for Figure 2 A schematic diagram of the enlarged structure of shown; Figure 4 for Figure 1 An exploded structural diagram of the fixing mechanism shown; Figure 5 for Figure 4 Schematic diagram of the internal structure of the fixing mechanism shown.

[0023] In the specific implementation process, Figure 1-Figure 5 As shown, a control circuit board assembly of a smart lock includes a smart lock body 1, a circuit board body 2 and a fixing mechanism. A fixing groove 3 is opened on one side of the smart lock body 1, and the circuit board body 2 is located in the fixing groove 3. The four corners of the circuit board body 2 are fixedly connected to one side of the inner wall of the fixing groove 3 through the fixing mechanism;

[0024] The fixing mechanism includes a fixing rod 4, a fixing column 5, a fixing pile 6, two clamping blocks 7 and a driving member. Through holes are provided at the four corners of the circuit board. The bottom end of the fixing pile 6 is fixedly connected to the bottom of the inner wall of the fixing groove 3. The top of the fixing pile 6 passes through the through hole. The outer surface of the fixing pile 6 fits with the inner wall of the through hole. A hole is provided at the top of the fixing pile 6. The bottom end of the fixing rod 4 is located in the hole. A mounting groove is provided at the top of the fixing rod 4. Two clamping blocks 7 are symmetrically arranged in the mounting groove. One end of the two clamping blocks 7 are inclined. One end of the two clamping blocks 7 that are inclined pass through one side of the inner wall of the mounting groove and extend to the outside of the fixing rod 4. An annular clamping groove 8 matching one end of the inclined clamping block 7 is provided on the inner wall of the hole. The two clamping blocks 7 are engaged with the annular clamping groove 8. A groove 9 is provided at one end of the fixing column 5. The top of the fixing rod 4 is fixedly connected to one side of the inner wall of the groove 9. The driving member includes a pressing column 10, a spring 11, lifting plate 12 and two driving plates 13, a fixing plate 14 is fixed in the installation groove, one side of the two driving plates 13 is respectively fitted with the two sides of the block 7, and driving columns 16 are respectively provided on the two sides of the block 7. A slide groove 15 is opened on the opposite side of the two driving plates 13, and the driving column 16 on one side of the block 7 is located in the slide groove 15. The driving column 16 can slide in the slide groove 15. The tops of the two driving plates 13 are fixedly connected to the bottom of the lifting plate 12, and the top of the lifting plate 12 is fixedly connected to the bottom end of the pressing column 10. The top of the pressing column 10 passes through the fixing plate 14 and one side of the inner wall of the groove 9 in turn. A baffle 17 is fixed on the surface of the pressing column 10, and a spring 11 is movably sleeved on the surface of the pressing column 10. The two ends of the spring 11 are respectively fixedly connected to the bottom of the baffle 17 and the bottom of the fixing plate 14. By making the block 7 stuck in the annular groove 8, the fixing rod 4 is limited;

[0025] The inner wall of the groove 9 opened on one side of the fixing column 5 fits with the side surface of the fixing pile 6, the bottom of the fixing column 5 fits with the top of the circuit board body 2, and the top and top of the block 7 are respectively provided with limit plates 18, and both ends of the two limit plates 18 are fixedly connected to the inner wall of the installation groove, and the block 7 can slide between the two limit plates 18. The side surface of the fixing column is provided with a plurality of protrusions 19 for increasing friction, and the top of the fixing pile 6 is inclined from the outer wall to the inner wall of the hole, and the degree of inclination is the same as the inclination of the inclined surface at one end of the block 7. The plurality of protrusions 19 are used to press the pressing column 10 while facilitating the upward pulling of the fixing column 5, so that the fixing column 5 drives the fixing rod 4 to disengage from the hole, thereby facilitating the disassembly of the circuit board body 2.

[0026] The working principle of the utility model is as follows: by aligning the through holes at the four corners of the circuit board body 2 with one end of the four fixing piles 6 respectively, the four corners of the circuit board body 2 are respectively sleeved on the surface of the four fixing piles 6, the circuit board body 2 is preliminarily positioned, and then one end of the fixing rod 4 is aligned with the hole opened at one end of the fixing pile 6, and the fixing column 5 is pressed to make the fixing column 5 push the fixing rod 4 to slide into the hole, and by pressing one end of the pressing column 10, the pressing column 10 pushes the lifting plate 12 and the two driving plates 13 to move and compress the spring 11 through the baffle 17, and when the two lifting plates 12 move, they will press the driving column 1 through the inner wall of the slide groove 15 6 is squeezed, thereby driving the drive to move. The movement of the driving column 16 will drive the block 7 to shrink into the installation groove, and the moving direction of the block 7 is controlled by two limit plates 18. When the block 7 is aligned with the annular groove 8 set on the inner wall of the hole, and the spring 11 rebounds, the pressing column 10 rises, so that the block 7 is stuck in the annular groove 8. At this time, the bottom end of the fixing column 5 is in contact with the top of the fixing plate 14 body, and the two sides of the circuit board body 2 are squeezed by the bottom end of the fixing column 5 and one side of the fixing pile 6 to fix the circuit board body 2. The top of the fixing pile 6 is inclined from the outer wall to the inner wall of the hole, which is convenient for the fixing rod 4 to enter the hole.

[0027] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A control circuit board assembly for a smart lock, characterized in that: The invention comprises an intelligent lock body (1), a circuit board body (2) and a fixing mechanism, wherein a fixing groove (3) is provided on one side of the intelligent lock body (1), the circuit board body (2) is located in the fixing groove (3), and the four corners of the circuit board body (2) are respectively fixedly connected to one side of the inner wall of the fixing groove (3) through the fixing mechanism; The fixing mechanism comprises a fixing rod (4), a fixing column (5), a fixing pile (6), two clamping blocks (7) and a driving member. Through holes are provided at the four corners of the circuit board. The bottom end of the fixing pile (6) is fixedly connected to the bottom of the inner wall of the fixing groove (3). The top end of the fixing pile (6) passes through the through hole. The outer surface of the fixing pile (6) is in contact with the inner wall of the through hole. A hole is provided at the top end of the fixing pile (6). The bottom end of the fixing rod (4) is located in the hole. The top end of the fixing rod (4) is provided with a mounting groove. The two clamping blocks (7) are symmetrically arranged in the installation groove, one end of the two clamping blocks (7) are inclined, and the inclined ends of the two clamping blocks (7) penetrate one side of the inner wall of the installation groove and extend to the outside of the fixing rod (4), the inner wall of the hole is provided with an annular clamping groove (8) matching the inclined end of the clamping block (7), and the two clamping blocks (7) are engaged with the annular clamping groove (8), one end of the fixing column (5) is provided with a groove (9), and the top end of the fixing rod (4) is fixedly connected to one side of the inner wall of the groove (9).

2. The control circuit board assembly of a smart lock according to claim 1, characterized in that: The driving member comprises a pressing column (10), a spring (11), a lifting plate (12) and two driving plates (13); a fixing plate (14) is fixedly arranged in the mounting groove; one side of the two driving plates (13) is respectively fitted with two sides of the card block (7); driving columns (16) are respectively arranged on two sides of the card block (7); a sliding groove (15) is respectively opened on one side opposite to the two driving plates (13); the driving column (16) on one side of the card block (7) is located in the sliding groove (15); the driving column (16) can be arranged in the sliding groove (15) The tops of the two driving plates (13) are fixedly connected to the bottoms of the lifting plates (12), the tops of the lifting plates (12) are fixedly connected to the bottoms of the pressing columns (10), the tops of the pressing columns (10) sequentially penetrate the fixed plates (14) and one side of the inner wall of the groove (9), a baffle (17) is fixedly arranged on the surface of the pressing columns (10), the spring (11) is movably sleeved on the surface of the pressing columns (10), and the two ends of the spring (11) are respectively fixedly connected to the bottoms of the baffle (17) and the bottoms of the fixed plates (14).

3. The control circuit board assembly of a smart lock according to claim 2, characterized in that: The inner wall of the groove (9) formed on one side of the fixing column (5) fits with the side surface of the fixing pile (6), and the bottom of the fixing column (5) fits with the top of the circuit board body (2).

4. The control circuit board assembly of a smart lock according to claim 3, characterized in that: The top and bottom of the clamping block (7) are respectively provided with limiting plates (18), both ends of the two limiting plates (18) are fixedly connected to the inner wall of the installation groove, and the clamping block (7) can slide between the two limiting plates (18).

5. The control circuit board assembly of a smart lock according to claim 4, characterized in that: The side surface of the fixing column is provided with a plurality of protrusions (19) for increasing friction.

6. The control circuit board assembly of a smart lock according to claim 5, characterized in that: The top end of the fixing pile (6) is inclined from the outer wall toward the inner wall of the hole, and the degree of inclination is the same as the degree of inclination of the inclined surface at one end of the clamping block (7).

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