Circuit board with auxiliary connection structure

Abstract

The utility model relates to the technical field of circuit boards, and discloses a circuit board with an auxiliary connecting structure, which comprises a connecting frame, a connecting groove is arranged in the connecting frame, and a first circuit board is arranged on the left side of the connecting groove. According to the circuit board with the auxiliary connection structure, a limiting clamping block and a limiting clamping groove are arranged, a pull block is pressed after the limiting clamping block and the limiting clamping groove are well placed, the pull block drives a connecting rod to enable the connecting rod to slide up and down in a mounting groove, so that the limiting clamping block can descend in a guide groove, and the pull block is rotated after the limiting clamping block descends to a proper position; a pull block drives a limiting clamping block to rotate through a connecting rod to enable the limiting clamping block to rotate into a limiting clamping groove, so that the first circuit board and the second circuit board can be connected, a limiting spring can enable a top plate to abut against the bottom end of the pull block through elasticity of the limiting spring, the pull block is prevented from rotating accidentally, and the problem that two sets of circuit boards are inconvenient to connect and fix is solved. And the connection stability of the circuit board is poor.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board technical field, concretely is a circuit board with auxiliary connecting structure. BACKGROUND

[0002] The circuit board can be called a printed wiring board or a printed circuit board. With the progress of science and technology, electronic products develop very rapidly. The circuit board is a common circuit connecting piece in electronic products. The circuit board is a support for electronic components and a carrier for electrical connection of electronic components. Therefore, the circuit board is widely used in various electronic products.

[0003] The common circuit board also has some problems, for example, when some electronic products use the circuit board, two groups of circuit boards need to be connected together. However, it is inconvenient to connect and fix the two groups of circuit boards when connecting the two groups of circuit boards together, and the stability of the circuit board connection is poor.

[0004] Therefore, we propose a circuit board with auxiliary connecting structure to improve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a circuit board with auxiliary connecting structure to solve the problem of inconvenient connection and fixation of two groups of circuit boards and poor stability of circuit board connection in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a circuit board with auxiliary connecting structure, comprising a connecting frame, a connecting groove is formed in the inside of the connecting frame, a first circuit board is arranged on the left side of the connecting groove, a second circuit board is arranged on the right side of the connecting groove, and a connecting structure is arranged at the top of the two sides in the inside of the connecting frame.

[0007] The connecting structure comprises a pull block, a limiting block and a limiting slot. The front and rear ends of the left and right sides of the top of the connecting frame are provided with pull blocks. The bottom end of the pull block is fixedly connected with a connecting rod. The bottom end of the connecting rod is fixedly connected with a limiting block. An installation slot is formed in the inside of the top end of the first circuit board and the second circuit board near the middle. Limiting slots are formed in the two sides of the inside of the installation slot. Guide slots are formed in the front and rear ends of the installation slot. Limiting springs are fixedly connected with the top of the top plate. A reserved slot is formed in the inside of the top plate.

[0008] Preferably, the connecting rod slides up and down in the inside of the installation slot, and the limiting block is embedded in the inside of the limiting slot.

[0009] Preferably, the limiting spring is arranged at the top end outside the connecting rod. The top plate is movably sleeved at the top end outside the connecting rod through the reserved slot.

[0010] Preferably, the bottom end of the first and second circuit boards is provided with a heat-conducting silica gel pad, and the bottom end of the heat-conducting silica gel pad is provided with a heat-conducting sheet; and support blocks are mounted at the four corners of the bottom end of the first and second circuit boards.

[0011] Preferably, the front and rear ends of the bottom end of the first and second circuit boards close to the outside are provided with buffer springs, the bottom end of the buffer spring is fixedly connected with a backing plate, and the inside of the buffer spring is provided with a damper.

[0012] Preferably, the side close to the outside of the top of the first and second circuit boards is fixedly connected with a frame, the inner side wall of the frame is provided with a ventilation hole, and a plurality of groups of ventilation holes are provided.

[0013] Preferably, the bottom end of the inside of the frame is fixedly connected with a sliding groove, the top end of the inside of the frame is provided with a moisture-absorbing particle, the bottom end of the moisture-absorbing particle is fixedly connected with a sliding block, the front end of the sliding block is fixedly connected with a pull handle, and the outside of the first and second circuit boards is coated with a waterproof coating.

[0014] Preferably, the sliding block is arranged in the inside of the sliding groove, and the moisture-absorbing particle is mounted in the inside of the frame through the sliding block and the sliding groove.

[0015] Compared with the prior art, the circuit board with the auxiliary connecting structure not only facilitates the connection of the two groups of circuit boards, facilitates the heat conduction of the circuit board, but also prevents the circuit board from being damp.

[0016] (1) By arranging the reserved groove, the connecting rod, the limiting spring, the guide groove, the mounting groove, the limiting block and the limiting slot, the first and second circuit boards are arranged on the two sides of the connecting frame, then the pull handle is pressed, the connecting rod is driven by the pull handle to slide up and down in the mounting groove, so that the limiting block can be lowered in the guide groove, and then the pull handle is rotated, the limiting block is rotated in the limiting slot through the connecting rod, so that the first and second circuit boards are connected, and the limiting spring can make the top plate abut against the bottom end of the pull handle through the elasticity of the limiting spring, so as to prevent the pull handle from being accidentally rotated.

[0017] (2) By arranging the heat-conducting sheet, the heat-conducting silica gel pad, the buffer spring, the damper and the backing plate, the heat-conducting sheet and the heat-conducting silica gel pad can conduct heat for the first and second circuit boards, so as to prevent the temperature of the first and second circuit boards from being too high to cause short circuit of the components on the first and second circuit boards; the support blocks can support the first and second circuit boards; and the damper can improve the stability of the first and second circuit boards.

[0018] (3) By being provided with frame, hygroscopic particles, chute, sliding block, pull handle and ventilation hole, waterproof coating can prevent water from entering the inside of first circuit board and second circuit board, hygroscopic particles can adsorb moisture on first circuit board and second circuit board, pull handle is pulled when hygroscopic particles need to be replaced, sliding block is pulled by pull handle, so that hygroscopic particles at the top end of sliding block can be pulled out of the inside of frame, and hygroscopic particles can be conveniently disassembled and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view sectional structure schematic view of the utility model;

[0020] Figure 2 It is a front view sectional enlarged structure schematic view of the connecting frame of the utility model;

[0021] Figure 3 It is a top view enlarged structure schematic view of the connecting frame of the utility model;

[0022] Figure 4 It is a front view sectional structure schematic view of the utility model; Figure 1 It is a sectional enlarged structure schematic view of A place of the utility model.

[0023] In the drawing: 1, first circuit board; 2, heat-conducting sheet; 3, heat-conducting silica gel pad; 4, support block; 5, frame; 6, hygroscopic particles; 7, chute; 8, connecting frame; 9, pull block; 10, top plate; 11, second circuit board; 12, connecting groove; 13, reserved groove; 14, connecting rod; 15, limit spring; 16, guide groove; 17, mounting groove; 18, limit block; 19, limit slot; 20, sliding block; 21, pull handle; 22, buffer spring; 23, damper; 24, pad; 25, ventilation hole. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range protected by the utility model.

[0025] Please refer to Figures 1-4 The utility model provides an embodiment; a circuit board with auxiliary connecting structure, including connecting frame 8, the inside of connecting frame 8 is seted up with connecting groove 12, the left side of connecting groove 12 is provided with first circuit board 1, the right side of connecting groove 12 is provided with second circuit board 11, and the top of both sides in the inside of connecting frame 8 is provided with connecting structure;

[0026] The connecting structure comprises a pulling block 9, a limiting block 18 and a limiting slot 19, the front and rear ends of the left and right sides of the top of the connecting frame 8 are provided with the pulling block 9, the bottom end of the pulling block 9 is fixedly connected with a connecting rod 14, the bottom end of the connecting rod 14 is fixedly connected with the limiting block 18, the top end of the inside of the first circuit board 1 and the second circuit board 11 is provided with a mounting slot 17, the two sides of the inside of the mounting slot 17 are provided with the limiting slot 19, the front and rear ends of the mounting slot 17 are provided with a guide slot 16, the front and rear ends of the left and right sides of the top of the connecting frame 8 are fixedly connected with a limiting spring 15, the top end of the limiting spring 15 is fixedly connected with a top plate 10, the inside of the top plate 10 is provided with a reserved slot 13;

[0027] The connecting rod 14 slides up and down in the inside of the mounting slot 17, the limiting block 18 is embedded in the inside of the limiting slot 19, the top end of the outside of the connecting rod 14 is provided with the limiting spring 15, the top plate 10 is movably sleeved on the top end of the outside of the connecting rod 14 through the reserved slot 13;

[0028] Specifically, as shown in Figure 1 、 Figure 2 and Figure 3 , the first circuit board 1 and the second circuit board 11 are placed on the two sides of the inside of the connecting frame 8, after being placed, the pulling block 9 is pressed, the pulling block 9 drives the connecting rod 14 to make the connecting rod 14 slide up and down in the inside of the mounting slot 17, so that the limiting block 18 can descend in the inside of the guide slot 16, after descending to the appropriate position, the pulling block 9 is rotated, the pulling block 9 drives the limiting block 18 to rotate through the connecting rod 14, so that the limiting block 18 rotates to the inside of the limiting slot 19, so that the first circuit board 1 and the second circuit board 11 can be connected, the limiting spring 15 can make the top plate 10 abut against the bottom end of the pulling block 9 through the elasticity of itself, so as to prevent the pulling block 9 from being accidentally rotated.

[0029] The bottom end of the first circuit board 1 and the second circuit board 11 is respectively provided with a heat-conducting silica gel pad 3, the bottom end of the heat-conducting silica gel pad 3 is provided with a heat-conducting sheet 2, the four corners of the bottom end of the first circuit board 1 and the second circuit board 11 are provided with a supporting block 4, the front and rear ends of the side close to the outside of the bottom end of the first circuit board 1 and the second circuit board 11 are provided with a buffer spring 22, the bottom end of the buffer spring 22 is fixedly connected with a pad 24, the inside of the buffer spring 22 is provided with a damper 23;

[0030] Specifically, as shown in Figure 1 and Figure 4 , the heat-conducting sheet 2 and the heat-conducting silica gel pad 3 can conduct heat for the first circuit board 1 and the second circuit board 11, so as to prevent the temperature of the first circuit board 1 and the second circuit board 11 from being too high to cause short circuit of components on the first circuit board 1 and the second circuit board 11, the supporting block 4 can support the first circuit board 1 and the second circuit board 11, and the damper 23 can improve the stability of the first circuit board 1 and the second circuit board 11.

[0031] The first circuit board 1 and the second circuit board 11 are fixedly connected with the frame 5 on the top and the side close to the outside, the inner side wall of the frame 5 is provided with the ventilation holes 25, the ventilation holes 25 are provided with multiple groups, the bottom end in the frame 5 is fixedly connected with the sliding groove 7, the top end in the frame 5 is provided with the moisture absorbing particles 6, the bottom end of the moisture absorbing particles 6 is fixedly connected with the sliding block 20, the front end of the sliding block 20 is fixedly connected with the pull handle 21, the outside of the first circuit board 1 and the second circuit board 11 is coated with the waterproof coating, the sliding block 20 is arranged in the sliding groove 7, and the moisture absorbing particles 6 are installed in the frame 5 through the sliding block 20 and the sliding groove 7.

[0032] Specifically, as shown in Figure 1 and Figure 4 The waterproof coating can prevent water from entering the inside of the first circuit board 1 and the second circuit board 11, the moisture absorbing particles 6 can adsorb moisture on the first circuit board 1 and the second circuit board 11, the pull handle 21 is pulled when the moisture absorbing particles 6 need to be replaced, the sliding block 20 is pulled, so that the moisture absorbing particles 6 at the top end of the sliding block 20 are pulled out of the inside of the frame 5, and the moisture absorbing particles 6 are conveniently disassembled and replaced.

[0033] Working principle: when the utility model is in use, the first circuit board 1 and the second circuit board 11 are placed on both sides in the inside of the connecting frame 8, after being placed, the pull block 9 is pressed, the pull block 9 drives the connecting rod 14 to make the connecting rod 14 slide up and down in the inside of the installation groove 17, so that the limiting clamp block 18 can descend in the inside of the guide groove 16, after descending to the appropriate position, the pull block 9 is rotated, the pull block 9 drives the limiting clamp block 18 to rotate through the connecting rod 14, so that the limiting clamp block 18 is rotated to the inside of the limiting clamp groove 19, so that the first circuit board 1 and the second circuit board 11 can be connected, the limiting spring 15 can make the top plate 10 abut against the bottom end of the pull block 9 through the elasticity of the limiting spring 15, preventing the pull block 9 from being accidentally rotated, the heat conduction fin 2 and the heat conduction silica gel pad 3 can conduct heat for the first circuit board 1 and the second circuit board 11, preventing the temperature of the first circuit board 1 and the second circuit board 11 from being too high to cause the components on the first circuit board 1 and the second circuit board 11 to be short-circuited, the waterproof coating can prevent water from entering the inside of the first circuit board 1 and the second circuit board 11, and the moisture absorbing particles 6 can adsorb moisture on the first circuit board 1 and the second circuit board 11.

[0034] It is apparent for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A circuit board with an auxiliary connection structure comprising a connection frame (8), characterized in that: The inside of the connecting frame (8) is provided with a connecting groove (12), the left side of the connecting groove (12) is provided with a first circuit board (1), the right side of the connecting groove (12) is provided with a second circuit board (11), and the top of the two sides inside the connecting frame (8) is provided with a connecting structure. The connecting structure comprises a pull block (9), a limiting block (18) and a limiting slot (19), the front and rear ends of the top of the left and right sides of the connecting frame (8) are provided with a pull block (9), the bottom end of the pull block (9) is fixedly connected with a connecting rod (14), the bottom end of the connecting rod (14) is fixedly connected with a limiting block (18), the top of the inside of the first circuit board (1) and the second circuit board (11) is provided with a mounting groove (17), the two sides of the inside of the mounting groove (17) are provided with a limiting slot (19), the front and rear ends of the mounting groove (17) are provided with a guide slot (16), the front and rear ends of the top of the left and right sides of the connecting frame (8) are fixedly connected with a limiting spring (15), the top of the limiting spring (15) is fixedly connected with a top plate (10), and the inside of the top plate (10) is provided with a reserved slot (13).

2. The circuit board with an auxiliary connection structure according to claim 1, characterized in that: The connecting rod (14) slides up and down in the mounting groove (17), and the limiting block (18) is embedded in the limiting slot (19).

3. The circuit board with an auxiliary connection structure according to claim 1, characterized in that: The limiting spring (15) is arranged at the top of the outside of the connecting rod (14), and the top plate (10) is movably sleeved at the top of the outside of the connecting rod (14) through the reserved slot (13).

4. The circuit board with an auxiliary connection structure according to claim 1, characterized in that: The bottom end of the first circuit board (1) and the second circuit board (11) is provided with a heat-conducting silica gel pad (3), the bottom end of the heat-conducting silica gel pad (3) is provided with a heat-conducting sheet (2), and the four corners of the bottom end of the first circuit board (1) and the second circuit board (11) are provided with a supporting block (4).

5. The circuit board with an auxiliary connection structure according to claim 1, characterized in that: The front and rear ends of the bottom end of the first circuit board (1) and the second circuit board (11) near the outside are provided with a buffer spring (22), the bottom end of the buffer spring (22) is fixedly connected with a pad (24), and the inside of the buffer spring (22) is provided with a damper (23).

6. The circuit board with an auxiliary connection structure according to claim 1, characterized in that: The top of the first circuit board (1) and the second circuit board (11) is fixedly connected with a frame (5) near the outside, the inner side wall of the frame (5) is provided with a ventilation hole (25), and the ventilation hole (25) is provided with a plurality of groups.

7. The circuit board with an auxiliary connection structure according to claim 6, characterized in that: The bottom end of the inside of the frame (5) is fixedly connected with a sliding groove (7), the top of the inside of the frame (5) is provided with a moisture-absorbing particle (6), the bottom end of the moisture-absorbing particle (6) is fixedly connected with a sliding block (20), the front end of the sliding block (20) is fixedly connected with a pull handle (21), and the outside of the first circuit board (1) and the second circuit board (11) is coated with a waterproof coating.

8. The circuit board with an auxiliary connection structure according to claim 7, characterized in that: The sliding block (20) is arranged in the sliding groove (7), and the moisture-absorbing particle (6) is mounted in the inside of the frame (5) through the sliding block (20) and the sliding groove (7). The sliding block (20) is arranged in the sliding groove (7), and the moisture-absorbing particle (6) is mounted in the inside of the frame (5) through the sliding block (20) and the sliding groove (7).

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