Anti-interference fingerprint lock circuit board convenient to assemble

Abstract

The utility model relates to the technical field of fingerprint lock circuit boards, and discloses an anti-interference fingerprint lock circuit board convenient to assemble, which comprises a circuit board body, a shell and two positioning assemblies, the positioning assemblies are arranged on the inner side of the shell, the circuit board body is arranged on the inner side of the shell, four corners of the circuit board body are respectively provided with a hole, and the two positioning assemblies are arranged on the outer side of the shell. Four assembling assemblies are arranged on the inner side of the shell, and the assembling assemblies are used for assembling the circuit board body on the inner side of the shell; the assembling assembly comprises a fixing ring and a fixing column, and the fixing ring is fixedly connected to the inner side of the shell. According to the utility model, the connecting plate is lifted upwards to drive the sliding sleeve to slide upwards, the combined plate is rotated to enable the sliding sleeve to move right above the fixing ring, and after the connecting plate is loosened, the elastic force of the spring enables the sliding sleeve to pass through the hole of the circuit board to be clamped into the fixing ring, so that the circuit board is stably mounted on the inner side of the shell; operation is simple and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to fingerprint lock circuit board technical field especially relates to an assembled anti -interference fingerprint lock circuit board. BACKGROUND

[0002] In modern life, as a safe and convenient door lock device, fingerprint lock has been more and more widely used. One of the core components of fingerprint lock is circuit board, which is responsible for controlling fingerprint identification, lock body driving and other functions. With the continuous progress of science and technology, people's performance requirements for fingerprint lock are also getting higher and higher, especially in the aspect of anti-interference ability. Anti-interference fingerprint lock circuit board can work stably in complex electromagnetic environment, ensuring the safety and reliability of fingerprint lock.

[0003] The anti-interference fingerprint lock circuit board in the prior art usually adopts multi-layer circuit board design, reduces the influence of electromagnetic interference through reasonable layout and wiring. Shielding layer is usually arranged on the outer layer of the circuit board to block external electromagnetic interference. At the same time, some anti-interference elements such as filter, magnetic bead, etc. are used to filter the power supply and signal, improving the anti-interference ability of the circuit board. In terms of structure, the fingerprint lock circuit board of the prior art is usually fixed in the shell by screws. This installation method needs to use tools, and the operation is relatively cumbersome, and the circuit board is easy to be damaged during installation. In addition, the screw fixing method is not conducive to the maintenance and replacement of the circuit board.

[0004] In actual use, the anti-interference fingerprint lock circuit board of the prior art has some problems. First of all, in the installation process, the traditional screw fixing method needs to use tools, and the operation is cumbersome, which not only increases the installation time and cost, but also makes it difficult for some users who are not familiar with the use of tools to install. For example, when a household user installs a fingerprint lock by himself, he may fail to install it because he is not familiar with the use of tools, or he may damage the circuit board during installation. In addition, the traditional installation method is also troublesome when repairing and replacing the circuit board. It needs to remove the screws, which not only wastes time, but also easily damages the shell and other components. In some emergency situations, such as when the circuit board needs to be replaced in time due to failure, the traditional installation method will affect the repair efficiency and bring inconvenience to the user, so the technical field proposes an assembled anti-interference fingerprint lock circuit board to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides an assembled anti-interference fingerprint lock circuit board, which aims to improve the problem that the fingerprint lock circuit board in the prior art needs to use tools to tighten the screws one by one during installation, which is relatively troublesome.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a fingerprint lock circuit board that is easy to assemble and resistant to interference, comprising a circuit board body, a housing, and two positioning components. The positioning components are disposed on the inner side of the housing, and the circuit board body is disposed on the inner side of the housing. Holes are provided at the four corners of the circuit board body. Four assembly components are provided on the inner side of the housing, and the assembly components are used to assemble the circuit board body on the inner side of the housing.

[0007] The assembly includes a fixing ring and a fixing post. The fixing ring is fixedly connected to the inner side of the outer shell, and the fixing post is fixedly connected to the inner side of the outer shell. A combination plate is rotatably connected to the top of the fixing post. A movable post is fixedly connected to the inner side of the combination plate. A sliding sleeve is slidably connected to the outer side of the movable post. A spring is sleeved on the outer side of the movable post. A connecting plate is slidably connected to the outer side of the fixing post.

[0008] Furthermore, one end of the connecting plate is fixedly connected to the outside of the sliding sleeve, and one end of the sliding sleeve passes through the hole inside the circuit board body and is engaged inside the fixing ring.

[0009] Furthermore, one end of the spring is fixedly connected to the outer side of the combined plate, and the other end of the spring is fixedly connected to the top of the sliding sleeve.

[0010] Furthermore, the outer side of the circuit board body is fitted with the top of the four fixing rings, and the outer side of the sliding sleeve is fitted with the outer side of the circuit board body.

[0011] Furthermore, the positioning component includes two mounting bases, the bottom of which is fixedly connected to the inside of the housing.

[0012] Furthermore, a rotating rod is rotatably connected to the adjacent sides of the two mounting bases, and an L-shaped plate is fixedly connected to the outer side of the rotating rod.

[0013] Furthermore, a torsion spring is sleeved on the outside of the rotating rod. One end of the torsion spring is fixedly connected to the outside of the L-shaped plate, and the other end of the torsion spring is fixedly connected to the inside of the outer shell. A rubber sleeve is provided on the outside of the L-shaped plate, and the outside of the rubber sleeve is in contact with the outside of the circuit board body.

[0014] This utility model has the following beneficial effects:

[0015] The utility model discloses, through to the upward lift connecting plate drive sliding sleeve and slide to its bottom with movable column bottom flush, rotate combination board make sliding sleeve remove to fixed ring right above, after loosening connecting plate, spring elasticity makes sliding sleeve pass through circuit board hole and card into fixed ring inside, realize the stable installation of circuit board in the inside of shell, this mode is more convenient than traditional screw installation, need not tool, simple and quick operation, utilize circuit board's hole, need not extra processing adaptation shell, save resource loss, improve assembly efficiency and reduce production cost.

[0016] The utility model discloses, through the L -shaped board of breaking and making its inside turn outward and open, spare space is given to circuit board body installation, place circuit board body on fixed ring top and align hole, release L -shaped board again, borrow torsional spring torsional force and make it reset quickly, let rubber cover stick to circuit board body outer surface, can protect its outer surface, can also increase friction and steady its position, convenient subsequent assembly operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A kind of assembled convenient anti-interference's fingerprint lock circuit board of the utility model is proposed;

[0018] Figure 2 A kind of assembled convenient anti-interference's fingerprint lock circuit board of the utility model is proposed;

[0019] Figure 3 For Figure 2 The enlarged view of A in Fig.

[0020] Figure 4 For Figure 2 The enlarged view of B in Fig.

[0021] LEGEND:

[0022] 1, circuit board body;2, shell;3, fixed ring;4, fixed column;5, combination board;6, movable column;7, spring;8, sliding sleeve;9, connecting plate;10, mounting seat;11, rotating rod;12, L-shaped board;13, rubber cover;14, torsional spring. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Refer to Figures 1-3The utility model provides an embodiment: an assembled anti -interference's fingerprint lock circuit board, including circuit board body 1, shell 2 and two positioning assembly, positioning assembly sets up in the inside of shell 2, and circuit board body 1 is as the core component of whole fingerprint lock, bears various electronic components and circuit, is responsible for realizing the function of each item of fingerprint lock.Circuit board body 1 usually is made of high quality insulating material, has good electrical insulation and mechanical strength, can work stably under various complex environments.Circuit board body 1's four corners are all provided with hole, these holes play a key role in the subsequent assembly process, provide the convenience for fixing and installation.Shell 2 and two positioning assembly, positioning assembly sets up in the inside of shell 2, and circuit board body 1 sets up in the inside of shell 2.Shell 2 as circuit board body 1's protective shell, usually is made of strong durable material, such as plastic or metal.Shell 2's inside is provided with four assembly components, and assembly component is used for assembling circuit board body 1 in the inside of shell 2.Assembly component includes fixed ring 3 and fixed column 4.Fixed ring 3 is fixedly connected in the inside of shell 2, and fixed ring 3 usually is made of metal material, has higher strength and stability, can bear certain tension and pressure.Fixed column 4 is fixedly connected in the inside of shell 2, and fixed column 4 usually is made of metal or plastic, plays the role of supporting and fixing other components.The top of fixed column 4 rotatably connects with combination board 5, and combination board 5 can rotate freely at the top of fixed column 4, provides flexibility for subsequent assembly operation.The inside of combination board 5 is fixedly connected with movable column 6, and movable column 6 usually is made of metal material, has certain strength and stiffness, can bear certain tension and pressure.The outside of movable column 6 is slidably connected with sliding sleeve 8, and sliding sleeve 8 can slide freely on the outside of movable column 6, realizes specific assembly function.The outside of movable column 6 is provided with spring 7, and spring 7 has elasticity and can contract and expand within a certain range.The outside of fixed column 4 is slidably connected with connecting plate 9, and connecting plate 9 can slide freely on the outside of fixed column 4, provides the convenience for assembly operation.One end of connecting plate 9 is fixedly connected with the outside of sliding sleeve 8, to ensure that connecting plate 9 and sliding sleeve 8 can move synchronously.One end of sliding sleeve 8 penetrates the hole in the inside of circuit board body 1 and is clamped in the inside of fixed ring 3, to realize the fixed installation of circuit board body 1.One end of spring 7 is fixedly connected with the outside of combination board 5, and the other end of spring 7 is fixedly connected with the top of sliding sleeve 8, to provide elastic force for sliding sleeve 8, to ensure that it can stably be clamped in the inside of fixed ring 3.The outside of circuit board body 1 is attached to the top of four fixed rings 3, to ensure the stability and accuracy of circuit board body 1 installation.The outside of sliding sleeve 8 is attached to the outside of circuit board body 1, to further enhance the stability of installation.

[0025] Specifically, the connecting plate 9 can be lifted upwards. The connecting plate 9 is a key component of the assembly component, and the force of the fingers is applied to the connecting plate 9 to make it slide upwards. The sliding sleeve 8 is driven to slide upwards. The sliding sleeve 8 is a key component of the assembly component, and is fixedly connected with the connecting plate 9 and can slide upwards under the driving of the connecting plate 9. The bottom of the sliding sleeve 8 is flush with the bottom of the movable column 6, providing space for the rotating combination plate 5. Then rotate the combination plate 5 to make the sliding sleeve 8 move directly above the fixed ring 3. The combination plate 5 is a key component of the assembly component and can rotate freely at the top of the fixed column 4, providing flexibility for the movement of the sliding sleeve 8. After the connecting plate 9 is loosened, the spring 7 provides a restoring force for the sliding sleeve 8, enabling it to quickly reset after the connecting plate 9 is loosened. The bottom end of the sliding sleeve 8 will pass through the internal hole of the circuit board body 1 and be clamped in the inside of the fixed ring 3, realizing the fixed installation of the circuit board body 1. In this way, the circuit board body 1 can be stably installed on the inside of the shell 2, which is more convenient than the traditional screw installation method. The traditional screw installation method requires the use of tools, and the operation is complicated and easy to damage the circuit board body 1. This assembly method does not require the use of tools, and the operation is simple and fast. The holes of the circuit board body 1 are utilized, and the circuit board body 1 does not need to be additionally processed to adapt to the installation of the shell 2, saving additional resource consumption. This design improves the assembly efficiency and reduces the production cost.

[0026] Referring to Figure 4 , the positioning assembly includes two mounting seats 10. The bottom of the mounting seat 10 is fixedly connected to the inside of the shell 2. The mounting seat 10 is usually made of metal or plastic and serves to fix and support the rotating rod 11. The rotating rod 11 is rotatably connected to the proximal side of the two mounting seats 10. The rotating rod 11 is usually made of metal material and has a certain strength and rigidity, which can withstand a certain torsion. The outer side of the rotating rod 11 is fixedly connected with the L-shaped plate 12. The L-shaped plate 12 is usually made of metal or plastic and serves to position and fix the circuit board body 1. The outer part of the rotating rod 11 is sleeved with a torsional spring 14. The torsional spring 14 has elasticity and can be twisted within a certain range. One end of the torsional spring 14 is fixedly connected with the outer side of the L-shaped plate 12, and the other end of the torsional spring 14 is fixedly connected with the inner side of the shell 2, providing a torsional force for the L-shaped plate 12, so that it can quickly reset after being loosened. The outer part of the L-shaped plate 12 is provided with a rubber sleeve 13. The rubber sleeve 13 is usually made of rubber material and has good elasticity and friction. It can protect the outer surface of the circuit board body 1 and increase the friction to improve the stability of the fixation. The outer side of the rubber sleeve 13 is attached to the outer side of the circuit board body 1, ensuring the stability and accuracy of the circuit board body 1 during installation.

[0027] Specifically, the two L-shaped plates 12 can be moved, and the L-shaped plates 12, as key components of the positioning assembly, are opened outward by the force of the fingers applied to the L-shaped plates 12. The state of the inner side of the L-shaped plate 12 being opened outward provides space for the installation of the circuit board body 1. Then the circuit board body 1 is placed on the top of the four fixing rings 3, and the fixing rings 3, as important parts of the assembly assembly, provide stable support for the circuit board body 1. The holes at the four corners of the circuit board body 1 are aligned with the internal holes of the four fixing rings 3, ensuring that the subsequent assembly operation can be smoothly carried out. Then the two L-shaped plates 12 are loosened, and the L-shaped plates 12 will quickly reset under the rotating force of the torsion spring 14. The torsion spring 14, as a key component of the positioning assembly, provides torsion to the L-shaped plate 12, enabling it to quickly reset after being loosened. The rubber sleeve 13 is attached to the outer surface of the circuit board body 1, and the rubber sleeve 13, as an external protective sleeve of the L-shaped plate 12, has good elasticity and friction, which can protect the outer surface of the circuit board body 1 and increase the friction to improve the stability of the fixation. The position of the circuit board body 1 is simply stable, thereby facilitating the subsequent assembly of the circuit board body 1.

[0028] Working principle: first, the two L-shaped plates 12 can be moved, and the L-shaped plates 12, as key components of the positioning assembly, are opened outward by the force of the fingers applied to the L-shaped plates 12. The state of the inner side of the L-shaped plate 12 being opened outward, then the circuit board body 1 is placed on the top of the four fixing rings 3, so that the holes at the four corners of the circuit board body 1 are aligned with the internal holes of the four fixing rings 3, and then the two L-shaped plates 12 are loosened, and the L-shaped plates 12 will quickly reset under the rotating force of the torsion spring 14, so that the rubber sleeve 13 is attached to the outer surface of the circuit board body 1, and the position of the circuit board body 1 is simply stable, thereby facilitating the subsequent assembly of the circuit board body 1, then the connecting plate 9 can be lifted upwards to drive the sliding sleeve 8 to slide upwards, so that the bottom of the sliding sleeve 8 is flush with the bottom of the movable column 6, and then the combination plate 5 is rotated to move the sliding sleeve 8 to the top of the fixing ring 3, and after the connecting plate 9 is loosened, the bottom end of the sliding sleeve 8 will pass through the internal hole of the circuit board body 1 and be clamped in the fixing ring 3 under the elastic force of the spring 7, so that the circuit board body 1 can be stably installed on the inner side of the shell 2, which is more convenient than the traditional screw installation method, and the holes of the circuit board body 1 are utilized, without the need for additional processing of the circuit board body 1 to adapt to the installation of the shell 2, thereby saving additional resource consumption.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An assembled anti-interference fingerprint lock circuit board, comprising a circuit board body (1), a shell (2) and two positioning assemblies, characterized in that: The positioning assembly is arranged on the inner side of the shell (2), the circuit board body (1) is arranged on the inner side of the shell (2), the four corners of the circuit board body (1) are provided with holes, and the inner side of the shell (2) is provided with four assembling assemblies. The assembling assembly comprises a fixing ring (3) and a fixing column (4), the fixing ring (3) is fixedly connected to the inner side of the shell (2), the fixing column (4) is fixedly connected to the inner side of the shell (2), the top end of the fixing column (4) is rotatably connected with a combination plate (5), the inner side of the combination plate (5) is fixedly connected with a movable column (6), the outer side of the movable column (6) is slidably connected with a sliding sleeve (8), the outer side of the movable column (6) is sleeved with a spring (7), and the outer side of the fixing column (4) is slidably connected with a connecting plate (9).

2. The assembled anti-interference fingerprint lock circuit board of claim 1, wherein: One end of the connecting plate (9) is fixedly connected to the outer side of the sliding sleeve (8), and one end of the sliding sleeve (8) penetrates the hole in the circuit board body (1) and is clamped in the fixing ring (3).

3. The assembled anti-interference fingerprint lock circuit board of claim 2, wherein: One end of the spring (7) is fixedly connected to the outer side of the combination plate (5), and the other end of the spring (7) is fixedly connected to the top of the sliding sleeve (8).

4. The assembled anti-interference fingerprint lock circuit board of claim 3, wherein: The outer side of the circuit board body (1) is attached to the top of the four fixing rings (3), and the outer side of the sliding sleeve (8) is attached to the outer side of the circuit board body (1).

5. The assembled anti-interference fingerprint lock circuit board of claim 1, wherein: The positioning assembly comprises two mounting seats (10), and the bottom of the mounting seat (10) is fixedly connected to the inner side of the shell (2).

6. The assembled anti-interference fingerprint lock circuit board of claim 5, wherein: The proximal sides of the two mounting seats (10) are rotatably connected with a rotating rod (11), and the outer side of the rotating rod (11) is fixedly connected with an L-shaped plate (12).

7. The assembled anti-interference fingerprint lock circuit board of claim 6, wherein: The rotating rod (11) is sleeved with a torsional spring (14), one end of the torsional spring (14) is fixedly connected to the outer side of the L-shaped plate (12), the other end of the torsional spring (14) is fixedly connected to the inner side of the shell (2), the outer side of the L-shaped plate (12) is provided with a rubber sleeve (13), and the outer side of the rubber sleeve (13) is attached to the outer side of the circuit board body (1).

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