Mounting structure of circuit board of box mini-host

Abstract

The utility model discloses a mounting structure of a circuit board of a box mini host, which relates to the technical field of computers and comprises a host shell, a mounting cavity is formed in the host shell, a horizontally arranged circuit board is arranged in the mounting cavity, a supporting assembly is further arranged in the mounting cavity, and the supporting assembly is used for supporting the circuit board upwards. The circuit board divides the mounting cavity into a first mounting cavity located above the circuit board and a second mounting cavity located below the circuit board, and a gap is formed between at least one edge of the circuit board and the side wall of the mounting cavity, so that the first mounting cavity and the second mounting cavity are communicated with each other through the gap. According to the utility model, heat generated by the circuit board can circulate between the first mounting cavity and the second mounting cavity, so that the heat dissipation efficiency of the circuit board is improved, and the circuit board is prevented from being damaged due to over-high temperature.

Description

TECHNICAL FIELD

[0001] The utility model relates to computer technical field, especially point to a kind of installation structure of circuit board of box mini host. BACKGROUND

[0002] As shown in Figure 1 The host shell 10' of current mini host 1' is formed with installation cavity 11', and the left and right side walls of installation cavity 11' are provided with front and rear extending clamping grooves 111'. When installing circuit board 20', circuit board 20' needs to be placed horizontally on the front side or rear side of installation cavity 11', and the left and right edges of circuit board 20' are inserted into the clamping grooves 111' of the left and right side walls of installation cavity 11' respectively, and then circuit board 20' is slid into installation cavity 11' along clamping grooves 111', that is, the installation of circuit board 20' is completed. However, this way of installing circuit board 20' makes the installation cavity 11' above circuit board 20' and the installation cavity 11' below circuit board 20' basically not flow, which further leads to the reduction of the heat dissipation efficiency of circuit board 20'. SUMMARY

[0003] The utility model aims at providing a kind of installation structure of circuit board of box mini host, which can make the installation cavity above circuit board and the installation cavity below circuit board communicate, improve the heat dissipation efficiency of circuit board.

[0004] To achieve the above purpose, the solution of the utility model is as follows:

[0005] An installation structure of circuit board of box mini host, comprising a host shell, an installation cavity is formed in the host shell, a horizontally arranged circuit board is in the installation cavity, and a support assembly is further arranged in the installation cavity. The support assembly is used to support the circuit board upward, so that the circuit board divides the installation cavity into a first installation cavity above the circuit board and a second installation cavity below the circuit board. There is a gap between at least one edge of the circuit board and the side wall of the installation cavity, so that the first installation cavity and the second installation cavity are connected to each other through the gap.

[0006] Further, there is a gap between the left and right edges of the circuit board and the left and right side walls of the installation cavity.

[0007] Further, the circuit board is rectangular, and the number of support assemblies is four, and the four support assemblies are respectively located at the four corners of the circuit board.

[0008] Furthermore, the support assembly includes a support column, which is vertically arranged, and a first embedded portion with a size smaller than the top surface of the support column protrudes upward from the top of the support column, and a second embedded portion with a size smaller than the bottom surface of the support column protrudes downward from the bottom surface of the support column. First positioning holes are provided on the four corners of the circuit board, and four second positioning holes are provided on the bottom wall of the installation cavity. The four second positioning holes are aligned with the four first positioning holes respectively, and the four support columns are respectively located at the four corners of the circuit board. The first embedded portion is embedded in the first positioning hole so that the lower surface of the circuit board rests against the top surface of the support column, and the second embedded portion is embedded in the second positioning hole so that the bottom surface of the support column rests against the inner side of the bottom wall of the installation cavity.

[0009] Furthermore, the support assembly also includes a screw group, which includes a screw and a nut. A channel is opened on the support column and vertically runs through the entire support column. The upper end opening of the channel is located on the first embedded part, and the lower end opening of the channel is located on the second embedded part. The screw passes through the channel, and the head of the screw presses on the upper surface of the circuit board so that the head of the screw presses the circuit board against the top surface of the support column. The lower end of the screw extends through the second positioning hole to the outside of the installation cavity. The nut is screwed to the lower end of the screw and abuts against the outside of the bottom wall of the installation cavity to press the bottom wall of the installation cavity against the bottom surface of the support column.

[0010] Furthermore, a support seat is provided on the outer side of the bottom wall of the installation cavity, and the support seat is used to support the entire main unit upward. There are four support seats, and the four support seats are located at the second positioning holes. A through hole is opened on the support seat, and the second positioning hole is exposed through the through hole. When the nut is screwed to the lower end of the screw, it is embedded in the through hole. The lower surface of the nut is at most flush with the lower surface of the support seat, and the lower end of the screw is at most flush with the lower surface of the support seat.

[0011] Furthermore, a plurality of heat dissipation holes are provided on the main body shell, and the heat dissipation holes are connected with the installation cavity and the external space so as to dissipate the heat in the installation cavity to the outside of the installation cavity.

[0012] After adopting the above solution, the beneficial effects of the utility model are:

[0013] The support group of the present invention props up the circuit board, so that the circuit board divides the installation cavity into a first installation cavity located above the circuit board and a second installation cavity located below the circuit board. In addition, there is a gap between at least one edge of the circuit board and the side wall of the installation cavity, so that the first installation cavity and the second installation cavity are connected to each other through the gap, thereby allowing the heat generated by the circuit board to circulate between the first installation cavity and the second installation cavity, thereby improving the heat dissipation efficiency of the circuit board and avoiding damage to the circuit board due to excessive temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the installation structure of a circuit board in the prior art;

[0015] Figure 2 This is a schematic diagram of the overall structure of the mini motor of the utility model;

[0016] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 4 It is a front view of the internal structure of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the host shell of the utility model;

[0019] Figure 6 This is a schematic diagram of the bottom structure of the host housing of the present utility model;

[0020] Figure 7 Figure 6 Magnified view of part A.

[0021] Figure 8 This is a schematic diagram of the support column structure of the utility model;

[0022] Figure 9 It is a partial structural cross-sectional view of the circuit board installation of the utility model.

[0023] Description of labels:

[0024] 1. Host; 10. Host housing; 11. Installation cavity; 111. First installation cavity; 112. Second installation cavity; 113. Second positioning hole; 12. Heat dissipation hole; 20. Circuit board; 21. First positioning hole; 30. Support assembly; 31. Support column; 311. First embedded part; 312. Second embedded part; 313. Channel; 32. Screw group; 321. Screw; 322. Nut; 40. Support seat; 41. Through hole. DETAILED DESCRIPTION

[0025] The present invention will now be further described with reference to the accompanying drawings and specific implementation methods.

[0026] like Figures 1 to 9 As shown, this embodiment provides a box mini host 1 circuit board 20 installation structure, including a host housing 10, a mounting cavity 11 is formed in the host housing 10, a horizontally arranged circuit board 20 is arranged in the mounting cavity 11, and a support component 30 is further provided in the mounting cavity 11. The support component 30 is used to support the circuit board 20 upward so that the circuit board 20 divides the mounting cavity 11 into a first mounting cavity 111 located above the circuit board 20 and a second mounting cavity 112 located below the circuit board 20. There is a gap between at least one edge of the circuit board 20 and the side wall of the mounting cavity 11, so that the first mounting cavity 111 and the second mounting cavity 112 are connected to each other through the gap, thereby improving the heat dissipation efficiency of the circuit board 20 and avoiding damage due to excessive temperature of the circuit board 20.

[0027] Furthermore, there is a gap between the left and right edges of the circuit board 20 and the left and right side walls of the installation cavity 11 , so that the flow efficiency between the first installation cavity 111 and the second installation cavity 112 is better.

[0028] Preferably, the circuit board 20 is rectangular, and there are four support assemblies 30 , which are respectively located at the four corners of the circuit board 20 .

[0029] The jack 31 is fixed to the upper end of the support frame 31 and the lower end of the support frame 31 is fixed to the upper end of the support frame 31 so as to prevent the jack 31 from sliding onto the support frame 31.

[0030] When the bolt 32 is in the unlock position, the screw 321 is locked and the locking nut 322 is locked. The lock 31 is fixed on the unlocking mechanism 311, and the winch 31 is fixed on the unlocking mechanism 312.

[0031] Furthermore, a support seat 40 is provided on the outer side of the bottom wall of the installation cavity 11. The support seat 40 is used to support the entire host 1 upward. There are four support seats 40, and the four support seats 40 are located at the second positioning hole 113. A through hole 41 is opened on the support seat 40, and the second positioning hole 113 is exposed through the through hole 41. The nut 322 is embedded in the through hole 41 when it is screwed to the lower end of the screw 321. The lower surface of the nut 322 is at most flush with the lower surface of the support seat 40, and the lower end of the screw 321 is at most flush with the lower surface of the support seat 40, so as to keep the bottom of the support seat 40 flat, so that the host 1 of the present invention can be placed stably on a plane.

[0032] Furthermore, a plurality of heat dissipation holes 12 are provided on the main body housing 10 , and the heat dissipation holes 12 communicate with the installation cavity 11 and the external space so as to dissipate the heat in the installation cavity 11 to the outside of the installation cavity 11 .

[0033] The directional terms mentioned in this specification are defined relative to the structures shown in the drawings. They are relative concepts and may vary depending on their location and usage. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the design of this case. Any equivalent changes made based on the key design of this case shall fall within the scope of protection of this case.

Claims

1. A circuit board mounting structure for a box mini host, characterized by: The present invention comprises a host shell, an installation cavity is formed in the host shell, a horizontally arranged circuit board is arranged in the installation cavity, and a support assembly is also arranged in the installation cavity, the support assembly is used to support the circuit board upward so that the circuit board divides the installation cavity into a first installation cavity located above the circuit board and a second installation cavity located below the circuit board, and a gap is provided between at least one edge of the circuit board and the side wall of the installation cavity so that the first installation cavity and the second installation cavity are connected to each other through the gap.

2. The circuit board mounting structure of a box mini host according to claim 1, characterized in that: There are gaps between the left and right edges of the circuit board and the left and right side walls of the installation cavity.

3. The mounting structure of a circuit board of a box mini host according to claim 2, characterized in that: The circuit board is rectangular, and there are four supporting components, which are respectively located at the four corners of the circuit board.

4. The circuit board mounting structure of a box mini host according to claim 3, characterized in that: The support assembly includes a support column, which is vertically arranged. A first embedded portion is protruded upward from the top of the support column, and a second embedded portion is protruded downward from the bottom of the support column, and a second embedded portion is protruded from the bottom of the support column, and a first positioning hole is provided on each of the four corners of the circuit board. Four second positioning holes are provided on the bottom wall of the installation cavity. The four second positioning holes are aligned with the four first positioning holes respectively. The four support columns are respectively located at the four corners of the circuit board. The first embedded portion is embedded in the first positioning hole so that the lower surface of the circuit board rests against the top surface of the support column. The second embedded portion is embedded in the second positioning hole so that the bottom surface of the support column rests against the inner side of the bottom wall of the installation cavity.

5. The mounting structure of a circuit board of a box mini host according to claim 4, characterized in that: The support assembly also includes a screw group, which includes a screw and a nut. A channel is provided on the support column, which vertically runs through the entire support column. The upper end opening of the channel is located on the first embedded part, and the lower end opening of the channel is located on the second embedded part. The screw passes through the channel, and the head of the screw presses on the upper surface of the circuit board so that the head of the screw presses the circuit board against the top surface of the support column. The lower end of the screw extends through the second positioning hole to the outside of the mounting cavity. The nut is screwed to the lower end of the screw and abuts against the outside of the bottom wall of the mounting cavity to press the bottom wall of the mounting cavity against the bottom surface of the support column.

6. The circuit board mounting structure of a box mini host according to claim 5, characterized in that: A support seat is provided on the outer side of the bottom wall of the installation cavity, and the support seat is used to support the entire main unit upward. There are four support seats, and the four support seats are located at the second positioning holes. A through hole is opened on the support seat, and the second positioning hole is exposed through the through hole. When the nut is screwed to the lower end of the screw, it is embedded in the through hole. The lower surface of the nut is at most flush with the lower surface of the support seat, and the lower end of the screw is at most flush with the lower surface of the support seat.

7. The mounting structure of a circuit board of a box mini host according to claim 6, characterized in that: A plurality of heat dissipation holes are provided on the housing of the main unit, and the heat dissipation holes are connected with the installation cavity and the external space so as to dissipate the heat in the installation cavity to the outside of the installation cavity.

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