Circuit board convenient to replace

Abstract

The utility model relates to the technical field of circuit boards, and discloses a circuit board convenient to replace, which comprises a base, the bottom of the base is movably connected with two supporting blocks, the top of the base is movably connected with two transverse blocks, the tops of the two transverse blocks are fixedly connected with springs, and the top of each transverse block is fixedly connected with one spring. And the tops of the two springs are each movably connected with two pressing blocks, the tops of the four pressing blocks are each fixedly connected with a limiting plate, the left side and the right side of each limiting plate are each fixedly connected with a clamping block, and the left side and the right side of each supporting block are each fixedly connected with an extending block. The circuit board convenient to replace has the advantages of being convenient to replace and the like, and solves the problems that when the circuit board is processed, the circuit board is very easy to damage due to the fact that the circuit board is in a high-temperature environment for a long time, and most existing circuit boards are installed through screws and do not have the function of being convenient to replace, so that the time for replacing the damaged circuit board is long; and the constant temperature efficiency of the heater is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a circuit board which is easy to replace. Background Art

[0002] A heater is an electrical appliance that uses electrical energy to achieve heating effects. The heater needs to be heated through a heating sleeve, and the temperature transmitted by the probe is processed by a circuit board to control the temperature of the heater within the required range.

[0003] When processing through the circuit board, the circuit board is very easy to be damaged because it is in a high temperature environment for a long time. Most of the existing circuit boards are installed by screws and are not easy to replace, which leads to a long time for replacing the damaged circuit board and reduces the constant temperature efficiency of the heater. Therefore, a circuit board that is easy to replace is proposed to solve the above-mentioned problem. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a circuit board that is easy to replace and has the advantages of being easy to replace, etc., and solves the problem that when the circuit board is processed, the circuit board is extremely easy to be damaged due to being in a high temperature environment for a long time. The existing circuit boards are mostly installed by screws and do not have the function of being easy to replace, resulting in a long time for replacing the damaged circuit board, thereby reducing the constant temperature efficiency of the heater.

[0006] (II) Technical solution

[0007] The utility model solves the above-mentioned technical problem with a technical solution as follows: a circuit board that is easy to replace, comprising a base, the bottom of the base is movably connected with two supporting blocks, the base is movably and fixedly connected with two cross blocks, the tops of the two cross blocks are fixedly connected with springs, the tops of the two springs are movably connected with two pressure blocks, the tops of the four pressure blocks are fixedly connected with a limiting plate, the left and right sides of the limiting plate are fixedly connected with clamping blocks, the left and right sides of the two supporting blocks are fixedly connected with extension blocks, the opposite sides of the two extension blocks are rotatably connected with a rotating shaft, and the outer sides of the two rotating shafts are fixedly connected with a clamping ring.

[0008] The beneficial effect of the utility model is that the clamping block and the clamping ring enable the pressing block to press the base tightly onto the supporting block through the spring, thereby enabling the circuit board body to be quickly replaced.

[0009] The circuit board which is easy to replace has the advantage of being easy to replace.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, a circuit board body is fixedly connected to the top of the base, and heat dissipation holes are provided inside the base.

[0012] The beneficial effect of adopting the above further solution is that the circuit board body can dissipate heat better through the heat dissipation holes.

[0013] Furthermore, the tops of the two support blocks are fixedly connected with positioning rods, and the top of the circuit board body is fixedly connected with a plurality of circuits.

[0014] The beneficial effect of adopting the above further solution is that the positioning rod can be supported by the support block.

[0015] Furthermore, the two clamping blocks are arranged in a concave shape, and two clamping holes are opened inside the pressing block.

[0016] The beneficial effect of adopting the above further solution is that the pressing block can be quickly positioned through the clamping hole.

[0017] Furthermore, the two positioning rods are located inside the spring on the adjacent side, and the two clamping blocks are adapted to the clamping ring on the adjacent side.

[0018] The beneficial effect of adopting the above further solution is that the clamping block can be clamped by the clamping ring.

[0019] Furthermore, the two snap rings are arranged in a U-shape, and the two springs are arranged in a left-right symmetrical manner.

[0020] The beneficial effect of adopting the above further solution is that the clamping ring can be clamped by the U-shaped arrangement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a top view of the connection structure between the pressing block and the clamping block of the utility model;

[0023] Figure 3 This is a bottom view of the connection structure between the base and the support block of the utility model;

[0024] Figure 4 This is a front view of the connection structure between the base and the support block of the utility model.

[0025] In the figure: 1. base; 2. support block; 3. cross block; 4. spring; 5. pressure block; 6. limit plate; 7. clamping block; 8. extension block; 9. rotating shaft; 10. clamping ring; 11. circuit board body; 12. heat dissipation hole; 13. positioning rod; 14. line; 15. clamping hole. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the embodiment, Figure 1-4 A circuit board that is easy to replace is given. The utility model includes a base 1, the bottom of the base 1 is movably connected with two supporting blocks 2, the top of the base 1 is movably connected with two cross blocks 3, the tops of the two cross blocks 3 are fixedly connected with springs 4, the tops of the two springs 4 are movably connected with two pressing blocks 5, the tops of the four pressing blocks 5 are fixedly connected with a limiting plate 6, the left and right sides of the limiting plate 6 are fixedly connected with a clamping block 7, the left and right sides of the two supporting blocks 2 are fixedly connected with an extension block 8, the opposite sides of the two extension blocks 8 are rotatably connected with a rotating shaft 9, and the outer sides of the two rotating shafts 9 are fixedly connected with a clamping ring 10;

[0028] A circuit board body 11 is fixedly connected to the top of the base 1, and a heat dissipation hole 12 is opened inside the base 1;

[0029] The heat dissipation holes 12 enable the circuit board body 11 to dissipate heat better;

[0030] The tops of the two support blocks 2 are fixedly connected with positioning rods 13, and the top of the circuit board body 11 is fixedly connected with a plurality of circuits 14;

[0031] The positioning rod 13 can be supported by the support block 2;

[0032] The two clamping blocks 7 are concavely arranged, and two clamping holes 15 are provided inside the pressing block 5;

[0033] The clamping block 5 can be quickly positioned through the clamping hole 15;

[0034] The two positioning rods 13 are located inside the spring 4 on the adjacent side, and the two clamping blocks 7 are adapted to the clamping ring 10 on the adjacent side;

[0035] The clamping ring 10 enables the clamping block 7 to be clamped;

[0036] The two snap rings 10 are arranged in a U-shaped configuration, and the two springs 4 are arranged in a bilaterally symmetrical configuration;

[0037] The U-shaped arrangement enables the clamping ring 10 to be clamped.

[0038] Working principle:

[0039] Press the pressing block 5 downward so that the pressing block 5 squeezes the spring 4 through the limiting plate 6, and then rotate the snap ring 10 through the rotating shaft 9 to disengage the snap ring 10 from the block 7, and then take out the pressing block 5 through the positioning rod 13, and then drive the cross block 3 to be taken out through the positioning rod 13 by the spring 4, so that the base 1 can drive the circuit board body 11 to move up for replacement, and then move the new circuit board body 11 and the base 1 downward through the positioning rod 13 so that the base 1 contacts the support block 2, and then place the spring 4 and the cross block 3 on the top of the base 1 through the positioning rod 13, and drive the pressing block 5 to squeeze the spring 4 through the positioning rod 13, so that the spring 4 squeezes the base 1 downward, and then rotate the snap ring 10 through the rotating shaft 9 and clamp the snap ring 10 into the inside of the block 7, thereby completing the replacement of the circuit board body 11.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit board that is easy to replace, comprising a base (1), characterized in that: The bottom of the base (1) is movably connected to two support blocks (2), the top of the base (1) is movably connected to two transverse blocks (3), the tops of the two transverse blocks (3) are fixedly connected to springs (4), the tops of the two springs (4) are movably connected to two pressure blocks (5), the tops of the four pressure blocks (5) are fixedly connected to a limit plate (6), the left and right sides of the limit plate (6) are fixedly connected to clamping blocks (7), the left and right sides of the two support blocks (2) are fixedly connected to extension blocks (8), the opposite sides of the two extension blocks (8) are rotatably connected to a rotating shaft (9), and the outer sides of the two rotating shafts (9) are fixedly connected to clamping rings (10).

2. The circuit board that is easy to replace according to claim 1, characterized in that: A circuit board body (11) is fixedly connected to the top of the base (1), and a heat dissipation hole (12) is provided inside the base (1).

3. The circuit board that is easy to replace according to claim 2, characterized in that: The tops of the two support blocks (2) are fixedly connected with positioning rods (13), and the top of the circuit board body (11) is fixedly connected with a plurality of circuits (14).

4. The circuit board that is easy to replace according to claim 1, characterized in that: The two clamping blocks (7) are arranged in a concave shape, and two clamping holes (15) are provided inside the pressing block (5).

5. The circuit board that is easy to replace according to claim 3, characterized in that: The two positioning rods (13) are located inside the spring (4) on the adjacent side, and the two clamping blocks (7) are matched with the clamping ring (10) on the adjacent side.

6. The circuit board that is easy to replace according to claim 1, characterized in that: The two clamping rings (10) are arranged in a U-shape, and the two springs (4) are arranged in a left-right symmetrical manner.

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