TWM448108U - Circuit-board height adjusting and shock-absorbing structure and server having the circuit-board height adjusting and shock-absorbing structure - Google Patents

Description

Circuit board height adjustment and shock absorbing structure and server provided with the circuit board height adjustment and shock absorbing structure

This creation is about a height adjustment and shock absorbing structure, especially regarding a height adjustment and shock absorbing structure of a circuit board.

With the revolution of the era of giant wheels, technology has advanced by leaps and bounds, electronic products have become an indispensable necessity for life. In electronic products (such as computers, servers, etc.), most of them are equipped with circuit boards, and the circuit boards are basically placed. Such as integrated circuit chips, resistors, capacitors and other various electronic components, while the aforementioned electronic components are also connected to other devices. There are four problems to be solved in the internal structure of the known electronic products:

1. The conventional circuit board is rigidly supported, but as the electronic product tends to be short and light, in order to maintain the reliability of the electronic product, the height of the circuit board must be adjustable or the level of the assembled circuit board can be improved. Support to achieve the goal, the manufacturing cost of the board will be greatly increased. (As shown in the second figure, the conventional circuit board is rigidly supported, and the height or level of the circuit board cannot be adjusted because the distance H1 between the circuit board and the support table is a fixed distance.)

2. The mechanical movement of the disk drive, CD player, cooling fan, etc. in the electronic product generates external force or vibration, and the external force or vibration will come to the circuit board, causing unpredictable stress and displacement of the electronic components on the circuit board. Or fatigue, etc., make the board The circuit on the circuit is invalid. (As shown in the third figure, the conventional circuit board is rigidly supported, and therefore cannot absorb the external force transmitted from the vibration source A14 to the circuit board or absorb the vibration transmitted to the circuit board.)

3. In the server, the cooling fan often transmits external force or vibration to the hard disk through the circuit board, and the hard disk is ineffective due to the impact of external force or vibration.

4. When the board height adjustment and damping effect are achieved, how to ensure that the circuit board is connected to the outside in a narrow space.

For the foregoing reasons, the purpose of this creation is to provide:

A circuit board height adjustment structure that adjusts the height or level of the board.

● A circuit board shock absorbing structure reduces the impact of the board on external forces or vibrations.

● A circuit board shock absorbing structure that reduces the impact of external forces or vibrations transmitted from the vibration source to the hard disk by the circuit board.

● A circuit board conductive structure, how to achieve the board height adjustment, shock absorption effect, can ensure that the circuit board in a small space, can be externally connected.

In order to achieve the foregoing objectives, the present invention provides a circuit board height adjustment structure for adjusting the height of a circuit board or adjusting the level of the circuit board. The circuit board height adjustment structure includes: a circuit board height adjustment structure for adjusting The height of the circuit board or the level of the adjustment of the circuit board, the height adjustment structure of the circuit board comprises: a support table, the support table is provided with a plurality of support columns, each support column is provided with an elastic buffer component, and each support column Passing through a through hole of a circuit board, and the circuit board is supported by the plurality of elastic buffering elements, and each of the upper portions of the support columns is respectively coupled with a joint portion; thereby achieving that the joint portion presses the circuit board, The circuit board presses the plurality of elastic buffer elements, and the plurality of elastic buffer elements are supported by the support table, and the circuit board is supported by the elastic buffer elements. The aforementioned circuit board height adjustment structure can achieve the purpose of height adjustment by the following steps:

1. Each of the support columns is respectively provided with an elastic buffering member.

2. After each support column runs through a through hole of a circuit board, the circuit board is placed on the elastic buffer member.

3. The upper part of each support column is respectively combined with a joint portion, wherein the joint portion presses the circuit board, and the circuit board presses the plurality of elastic buffer members, and the circuit board is supported by the elastic buffer member .

4. Since the circuit board is supported by the elastic buffering component, the height or adjustment of the circuit board can be adjusted by selecting elastic buffering elements of different lengths, elastic buffering elements of elastic coefficients or/and replacing the joints of different pressing depths. The level of the board.

In another creation, the upper portion of the support column and the joint portion are tightly coupled. The joint is affixed to the upper portion of the support column by a tight fit.

In another creation, the upper portion of the support column and the joint portion are spirally coupled. The joint is screwed to the upper portion of the support column by a spiral joint.

In the creation, the upper part of the support column is provided with a thread, and the joint portion is provided with a screw hole, so that the screw on the upper part of the support column and the screw hole of the joint portion are screwed. The joint is screwed to the upper portion of the support column by a spiral joint.

In another creation, a screw hole is arranged on the upper part of the support column, and the joint portion is a bolt, whereby the screw hole is screwed into the bolt. The bolt is screwed to the upper portion of the support column by a spiral joint.

In another creation, the elastic cushioning element is a spring.

In another creation, a conductive layer is disposed under the circuit board; a conductive portion is disposed under the conductive layer, and one of the plurality of elastic buffer members is disposed under the conductive portion, and the elastic buffer member Conductive; the elastic cushioning member is supported by the support table, and the support table is electrically conductive; thereby achieving Pressing the circuit board, the conductive layer of the circuit board presses the conductive portion, the conductive portion presses the conductive elastic buffering member, and the conductive elastic buffering member is supported by the conductive supporting platform, thereby The current of the circuit board is finally transmitted to the conductive support table via the conductive layer, the conductive portion, the conductive elastic buffering member.

In another creation, the conductive portion is a hollow structure, and the electrically conductive elastic buffering member is nested in the hollow structure. The hollow structure facilitates assembly and ensures that the hollow structure is in contact with the electrically conductive elastic cushioning element.

In another creation, a server is provided with the height adjustment structure of the circuit board. The server is provided with the support table, and the server has a vibration source, and the circuit board is disposed beside the vibration source. The elastic cushioning members have damping; by means of the damping, the external force or vibration transmitted from the vibration source directly or indirectly to the circuit board.

In addition, an external force or vibration transmitted indirectly to the circuit board means that the vibration source is not in direct contact with the circuit board, and an external force or vibration is transmitted to the circuit board in an indirect manner (for example, the twelfth to sixteenth drawings It is revealed that the vibration source transmits an external force or vibration to the circuit board through the support table.

In addition, direct force or vibration transmitted directly to the circuit board means that the vibration source is in direct contact with the circuit board, and the vibration source directly transmits an external force or vibration to the circuit board (for example, the seventeenth to twenty-first figures) It is disclosed that the vibration source directly transmits an external force or vibration to the circuit board).

In addition, in this creation, the vibration source in the server is a cooling fan. (Not shown in each figure).

In addition, in this creation, the vibration source in the server is a hard disk. (not shown in each figure)

In the present invention, the vibration source in the server is a cooling fan, and a hard disk is connected to the circuit board; thereby, the external source or vibration is transmitted by the vibration source to the hard disk by the vibration source.

In the present creation, the hard disk is provided on the circuit board.

The first figure is an exploded view of a conventional circuit board support structure.

The second figure is a combination diagram of the first figure. The figure shows that the support table A13 is provided with a plurality of support columns A10, and the plurality of support columns A10 are rigidly supported to the circuit board A11, so when the upper part of the support column A10 is respectively combined with After the portion A12 is combined, the distance H1 between the circuit board A11 and the support table is a fixed distance, so that the height or level of the circuit board A11 from the support table A13 cannot be adjusted.

The third figure is a combination diagram of a vibration source adjacent to the conventional circuit board support structure. The figure shows that the circuit board A11 is rigidly supported, so that the vibration source A14 cannot be absorbed to the circuit board A11 and the external force or absorption is transmitted to the circuit board A11. The vibration on the top.

The fourth picture is an exploded view of the circuit board support structure of the creation.

The fifth figure is a combination diagram of the fourth figure. The figure shows that the upper part of each support column 100 is respectively combined with a joint portion 120 (the combination manner is: a thread is arranged on the upper portion of the support column, and the joint portion is provided on the joint portion A screw hole is disposed, the upper portion of the support column penetrating through the through hole 170 of the circuit board 110, and the thread is screwed into the screw hole, thereby using the thread to be screwed with the screw hole) (or the combination manner is: After the upper portion of the support column penetrates the through hole 170 of the circuit board 110, the upper portion of the support column and the joint portion are tightly coupled, and the circuit board 110 is supported by the elastic buffering member 150, because the circuit board 110 is elastic. The cushioning element 150 is supported. Therefore, by selecting the elastic buffering element 150 of different lengths, the elastic cushioning element 150 of the elastic coefficient or/and the joint 120 of different pressing depths, the height of the circuit board 110 from the support table 130 can be adjusted or The level of the circuit board 110 from the support table 130 is adjusted.

The sixth picture is an exploded view of the circuit board support structure of the creation.

The seventh figure is a combination diagram of the sixth figure. The figure shows that a screw hole 210 is arranged in the upper part of each support column 100. A bolt 200 penetrates the through hole 170 of the circuit board 110, and the bolt 200 is screwed to the screw. In the hole 210, the circuit board 110 is supported by the elastic buffering element 150. Since the circuit board 110 is supported by the elastic buffering element 150, the elastic cushioning element 150 of different lengths, the elastic cushioning element 150 of elastic modulus or / and replacing the bolts 200 of different depression depths, the height of the circuit board 110 from the support table 130 or the water of the adjustment board 110 from the support table 130 can be adjusted. Flatness.

The eighth figure is an exploded view of the circuit board support structure of another mode of creation.

The ninth figure is a combination diagram of the eighth figure. The figure shows that the upper part of each support column 100 is respectively combined with a joint portion 120 (the combination manner is: a thread is arranged on the upper part of the support column, and the joint portion is provided a threaded hole, the upper portion of the support column penetrates the through hole 170 of the circuit board 110, and the thread is screwed into the screw hole, thereby using the thread to be screwed with the screw hole) (or the combination manner is: After the upper portion of the support column penetrates the through hole 170 of the circuit board 110, the upper portion of the support column is tightly coupled with the joint portion; a conductive layer 300 is disposed under the circuit board 110; and a conductive portion is disposed under the conductive layer 300. 310, one of the plurality of elastic buffer elements 150 is disposed under the conductive portion 310, and the elastic buffer member 150 is electrically conductive; the elastic buffer member 150 is supported by the support table 130, and the The support table 130 can be electrically conductive; thereby, the bonding portion 120 presses the circuit board 110, the conductive layer 300 of the circuit board 110 presses the conductive portion 310, and the conductive portion 310 presses the conductive elastic buffer member 150. , the conductive elastic buffer The component 150 is supported by the electrically conductive support table 130. The current of the circuit board 110 is transmitted to the electrically conductive layer via the conductive layer 300, the conductive portion 310, and the electrically conductive elastic buffer member 150. Support table 130.

The tenth figure is an exploded view of the circuit board support structure of another mode of creation.

The eleventh figure is a combination diagram of the tenth figure, the figure shows: each support column 100 The upper part of the circuit board 110 is provided with a through hole 170, and a bolt 200 is inserted into the through hole 170 of the circuit board 110, and the bolt 200 is screwed into the screw hole 210; a conductive layer 300 is disposed under the circuit board 110; A conductive portion 310 is disposed, and one of the plurality of elastic buffer members 150 is disposed under the conductive portion 310, and the elastic buffer member 150 is electrically conductive; the elastic buffer member 150 is the support table 130. Supporting, and the support table 130 can be electrically conductive; thereby, the bolt 200 presses the circuit board 110, the conductive layer 300 of the circuit board 110 presses the conductive portion 310, and the conductive portion 310 presses the conductive elastic The buffering element 150, the electrically conductive elastic buffering element 150 is supported by the electrically conductive support table 130, whereby the current of the circuit board 110 passes through the conductive layer 300, the conductive portion 310, and the electrically conductive elastic buffer Element 150 is finally passed to the electrically conductive support table 130.

The twelfth figure is a schematic diagram of the indirect connection of the circuit board and the vibration source in the server of the creation.

The thirteenth figure is a schematic diagram of the indirect connection between the support structure of the circuit board and the vibration source of the twelfth figure, wherein the vibration source is in direct contact with the circuit board, and the vibration source transmits an external force or vibration through the support table to the On the board.

Figure 14 is a schematic view showing the indirect connection of the support structure of the circuit board to the vibration source in another mode of the twelfth figure, wherein the vibration source is in direct contact with the circuit board, and the vibration source transmits the external force through the support table. Or shake to the board.

The fifteenth figure is the circuit board support structure and vibration source of another mode of the twelfth figure. The schematic diagram of the indirect connection reveals that the vibration source is not in direct contact with the circuit board, and the vibration source transmits external force or vibration to the circuit board through the support table.

Figure 16 is a schematic view showing the indirect connection of the support structure of the circuit board to the vibration source in another mode of the twelfth figure, wherein the vibration source is in direct contact with the circuit board, and the vibration source transmits the external force through the support table. Or shake to the board.

The seventeenth figure is a schematic diagram of the direct connection of the circuit board and the vibration source in the server of the creation.

Figure 18 is a schematic view showing the direct connection of the circuit board of the seventeenth diagram to the vibration source. The vibration source is directly in contact with the circuit board, and the vibration source directly transmits an external force or vibration to the circuit board.

The nineteenth figure is a schematic diagram of a circuit board directly connected to a vibration source according to another mode of the seventeenth figure. The vibration source is directly in contact with the circuit board, and the vibration source directly transmits an external force or vibration to the circuit board. on.

Figure 20 is a schematic view showing a circuit board directly connected to a vibration source according to another mode of the seventeenth embodiment. The vibration source is directly in contact with the circuit board, and the vibration source directly transmits an external force or vibration to the circuit board. on.

The twenty-first figure is a schematic diagram of the circuit board directly connected to the vibration source in another mode of the seventeenth figure, wherein the vibration source is directly in contact with the circuit board, and the vibration source directly transmits an external force or vibration to the circuit. On the board.

According to the twenty-second figure, the vibration source transmits an external force or vibration to the hard disk indirectly through the circuit board.

The twenty-third figure reveals that the vibration source directly transmits external force or vibration to the hard disk by the circuit board.

The present invention will be fully understood by the following examples, so that those skilled in the art can do so. However, the implementation of the present invention may not be limited by the following embodiments.

See Figures 4 to 21 for disclosure.

The present invention is a circuit board height adjustment structure for adjusting the height of the circuit board 110 or adjusting the level of the circuit board 110. The circuit board height adjustment structure includes: a support table 130, and the support table 130 is provided with a plurality of Each of the support columns 100 is provided with an elastic buffering element 150. Each of the supporting columns 100 extends through a through hole 170 of a circuit board 110, and the circuit board 110 is supported by the plurality of elastic buffering elements 150. The upper portions of the support columns 100 are respectively combined with a joint portion 120; thereby, the joint portion 120 presses the circuit board 110, and the circuit board 110 presses the plurality of elastic buffer members 150, the plurality of elastic buffer members 150 is supported by the support table 130. The aforementioned height adjustment structure of the circuit board 110 can achieve the purpose of height adjustment by the following steps:

1. Each of the support columns 100 is respectively provided with an elastic cushioning member 150.

2. After each of the support columns 100 respectively penetrates through the through holes 170 of the circuit board 110, the circuit board 110 is placed on the elastic buffering member 150.

3. The upper part of each support column 100 is respectively combined with a joint portion 120, by the knot The splicing portion 120 presses the circuit board 110, and the circuit board 110 presses the plurality of elastic absorbing members 150, and the circuit board 110 is supported by the elastic absorbing member 150.

4. Since the circuit board 110 is supported by the elastic buffering element 150, the circuit can be adjusted by selecting elastic buffering elements 150 of different lengths, elastic cushioning elements 150 of elastic coefficients or/and replacing the joints 120 of different pressing depths. The height of the board 110 or the level of the board 110 is adjusted.

In addition, as shown in the fifth figure, the distance between the right circuit board and the support table is H2, and the distance between the left circuit board and the support table is H3, so that the elastic buffer element 150 of different lengths on the left or the right side can be separately replaced, and the elastic buffer of the elastic coefficient can be separately replaced. The component 150 or/and the combination of different depression depths 120 can adjust the height of the circuit board 110 or adjust the level of the circuit board 110.

In addition, if the height or level of any point of the circuit board does not conform to the specification, the height of the circuit board 110 or the circuit board can be adjusted by simply replacing the length 150 or/and the spring constant of the elastic buffer element 150 of the attachment. The level of 110. (not shown in the figure)

In this example, the upper portion of the support column 100 and the joint portion 120 are tightly coupled. The joint portion 120 is fixed to the upper portion of the support column 100 by a tight fit.

In this example, the upper portion of the support column 100 and the joint portion 120 are spirally coupled. The joint portion 120 is screwed to the upper portion of the support column 100 by a spiral joint.

In another example, a thread is disposed on the upper portion of the support column 100, and a screw hole is disposed on the joint portion 120. The thread is screwed to the screw hole, and the joint portion 120 is screwed to the upper portion of the support column 100.

In another example, a screw hole 210 is disposed on the upper portion of the support column 100, and the joint portion is a bolt 200. Thereby, the screw hole 210 is spirally coupled to the bolt 200, and the joint portion 120 is screwed to the upper portion of the support column 100.

In another example, the elastic cushioning member 150 is a spring.

In another example, a conductive layer 300 is disposed under the circuit board 110. A conductive portion 310 is disposed under the conductive layer 300. One of the plurality of elastic buffer elements 150 is disposed under the conductive portion 310. And the elastic buffering element 150 is electrically conductive; the elastic buffering element 150 is supported by the supporting table 130, and the supporting platform 130 is electrically conductive; thereby achieving that the bonding part 120 presses the circuit board 110, the circuit board The conductive layer 310 of the 110 is pressed down by the conductive portion 310. The conductive portion 310 presses the conductive elastic buffer member 150. The conductive elastic buffer member 150 is supported by the conductive support table 130. The current of the circuit board 110 is finally transmitted to the conductive support table 130 via the conductive layer 300, the conductive portion 310, and the conductive elastic buffer member 150.

In this example, a server is provided with the board height adjustment knot on the server. The server is provided with the support table 130. The server has a vibration source 140. The circuit board 110 is disposed adjacent to the vibration source 140. The elastic buffer elements 150 have damping. By the damping Absorbing forces or vibrations transmitted directly or indirectly from the vibration source 140 to the circuit board 110.

In addition, the external force or vibration transmitted to the circuit board 110 indirectly means that the vibration source 140 is in non-direct contact with the circuit board 110, and indirectly transmits an external force or vibration to the circuit board 110 (for example: twelfth to As shown in the sixteenth figure, the vibration source 140 transmits an external force or vibration to the circuit board 110 through the support table 130.

In addition, the external force or vibration directly transmitted to the circuit board 110 means that the vibration source 140 is in direct contact with the circuit board 110, and the vibration source 140 directly transmits an external force or vibration to the circuit board 110 (for example: the seventeenth As disclosed in the twenty-first figure, the vibration source directly transmits an external force or vibration to the circuit board.

In another example, the vibration source 140 in the server is a cooling fan.

In this example, the vibration source 140 in the server is a heat dissipation fan, and a hard disk 145 is connected to the circuit board 110. Thereby, the external force or vibration transmitted by the heat dissipation fan by the circuit board 110 is reduced to the hard The dish 145 is used to reduce the failure of the hard disk 145 due to an external force or shock.

In the present creation, the hard disk 145 is attached to the circuit board 110.

In another example, the vibration source 140 in the server is a hard disk.

The present invention is disclosed in the above preferred embodiments, and is not intended to limit the scope of the present invention. Anyone skilled in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of protection of this creation is defined by the scope of the patent application attached.

A10‧‧‧Support column

A11‧‧‧Circuit board

A12‧‧‧Combination Department

A13‧‧‧ support table

A14‧‧‧Vibration source

H1‧‧‧The distance between the board and the support table

100‧‧‧Support column

110‧‧‧Circuit board

120‧‧‧Combination Department

130‧‧‧Support table

140‧‧‧Vibration source

145‧‧‧ Hard disk

150‧‧‧elastic cushioning element

160‧‧‧Server

170‧‧‧through holes

200‧‧‧ bolt

210‧‧‧ screw holes

300‧‧‧ Conductive layer

310‧‧‧Electrical Department

H2‧‧‧The distance between the board and the support table

H3‧‧‧Distance between circuit board and support table

The first figure is an exploded view of a conventional circuit board support structure.

The second figure is a combined schematic diagram of the first figure.

The third figure is a combination diagram of a vibration source adjacent to the conventional circuit board support structure.

The fourth picture is an exploded view of the circuit board support structure of the creation.

The fifth figure is a combination diagram of the fourth figure.

The sixth picture is an exploded view of the circuit board support structure of another way of creation.

The seventh figure is a combination diagram of the sixth figure.

The eighth figure is an exploded view of the circuit board support structure of another mode of creation.

The ninth figure is a combination diagram of the eighth figure.

The tenth figure is an exploded view of the circuit board support structure of another mode of creation.

The eleventh figure is a combination diagram of the tenth figure.

The twelfth figure is a schematic diagram of the indirect connection between the circuit board and the vibration source in the server of the creation.

The thirteenth figure is a schematic diagram of the indirect connection of the support structure of the circuit board to the vibration source in the twelfth figure.

Figure 14 is a schematic view showing the indirect connection of the support structure of the circuit board to the vibration source in another mode of the twelfth figure.

The fifteenth figure is a schematic diagram of the indirect connection of the circuit board supporting structure and the vibration source of another mode of the twelfth figure.

Figure 16 is a schematic view showing the indirect connection of the support structure of the circuit board to the vibration source in another mode of the twelfth figure.

The seventeenth figure is a schematic diagram of the direct connection of the circuit board and the vibration source in the server of the creation.

The eighteenth figure is a schematic diagram of the direct connection of the circuit board of the seventeenth figure to the vibration source.

The nineteenth figure is a schematic diagram of the circuit board directly connected to the vibration source in another mode of the seventeenth figure.

Figure 20 is a schematic view showing the circuit board directly connected to the vibration source in another mode of the seventeenth embodiment.

The twenty-first figure is a schematic diagram of the circuit board directly connected to the vibration source in another mode of the seventeenth figure.

According to the twenty-second figure, the vibration source transmits an external force or vibration to the hard disk indirectly through the circuit board.

The twenty-third figure reveals that the vibration source directly transmits external force or vibration to the hard disk by the circuit board.

110‧‧‧Circuit board

120‧‧‧Combination Department

H2‧‧‧The distance between the board and the support table

H3‧‧‧Distance between circuit board and support table

Claims (23)

A circuit board height adjustment structure is used for adjusting the height of the circuit board or adjusting the level of the circuit board. The circuit board height adjustment structure comprises: a support table, the support table is provided with a plurality of support columns, and each support column An elastic buffering member is disposed, each supporting column is respectively penetrated through a through hole of a circuit board, and the circuit board is supported by the plurality of elastic buffering elements, and the upper part of each supporting column is respectively coupled with a joint portion; It is achieved that the bonding portion presses the circuit board, and the circuit board presses the plurality of elastic buffering members, and the plurality of elastic buffering members are supported by the supporting platform. The circuit board height adjustment structure of claim 1, wherein the upper portion of the support column and the joint portion are tightly coupled; and the joint portion is fixed to the upper portion of the support column by tight fitting. The circuit board height adjustment structure of claim 1, wherein the upper portion of the support column and the joint portion are spirally coupled; and the joint portion is screwed to the upper portion of the support column by a spiral joint. The circuit board height adjustment structure of claim 3, wherein a thread is arranged on the upper portion of the support column, and a screw hole is disposed on the joint portion; wherein the thread is spirally coupled with the screw hole, and the joint portion is screwed Fastened to the top of the support column. Such as the circuit board height adjustment structure of claim 3, wherein the branch A screw hole is arranged on the upper portion of the brace, and the joint portion is a bolt; the screw hole is screwed to the bolt, and the bolt is screwed on the upper portion of the support column. The circuit board height adjustment structure of claim 1, 2, 3, 4 or 5, wherein the elastic buffer element is a spring. The circuit board height adjustment structure of claim 1, wherein: a conductive layer is disposed under the circuit board; a conductive portion is disposed under the conductive layer, and one of the plurality of elastic buffer elements is disposed on Below the conductive portion, the elastic buffering member is electrically conductive; the elastic buffering member is supported by the supporting table, and the supporting table is electrically conductive; thereby, the bonding portion presses the circuit board, and the conductive layer of the circuit board Pressing the conductive portion, the conductive portion presses the conductive elastic buffering member, the conductive elastic buffering member is supported by the conductive supporting platform, whereby the current on the circuit board passes through the conductive layer, The conductive portion, the electrically conductive elastic cushioning member, is finally transferred to the electrically conductive support table. The circuit board height adjustment structure of claim 7, wherein the upper portion of the support column and the joint portion are tightly coupled; by the tight fit, the joint portion is fixed to the upper portion of the support column. The circuit board height adjustment structure of claim 7, wherein the upper portion of the support column and the joint portion are spirally coupled; and the joint portion is screwed to the upper portion of the support column by a spiral joint. The circuit board height adjustment structure of claim 9 , wherein a thread is arranged on the upper portion of the support column, and a screw hole is disposed on the joint portion; wherein the thread is spirally coupled with the screw hole, and the joint portion is screwed Fastened to the top of the support column. The circuit board height adjustment structure of claim 9, wherein the support column is provided with a screw hole on the joint portion, and the joint portion is a bolt; and the screw hole is screwed with the bolt, and the bolt is screwed Above the support column. The circuit board height adjustment structure of claim 7, 8, 9, 10 or 11, wherein the elastic cushioning element is a spring. The circuit board height adjustment structure of claim 7, wherein the conductive portion is a hollow structure, and the electrically conductive elastic buffering member is nested in the hollow structure. The circuit board height adjustment structure of claim 13 , wherein the upper portion of the support column and the joint portion are tightly coupled, and the joint portion is fixed to the upper portion of the support column. The circuit board height adjustment structure of claim 13, wherein the upper portion of the support column and the joint portion are spirally coupled; and the joint portion is screwed to the upper portion of the support column by a spiral joint. The circuit board height adjustment structure of claim 15 , wherein a thread is arranged on the upper portion of the support column, and a screw hole is disposed on the joint portion; A thread is screwed to the screw hole, and the joint is screwed to the upper portion of the support column. The circuit board height adjustment structure of claim 15 , wherein a screw hole is arranged on the upper portion of the support column, and the joint portion is a bolt; and the screw hole is screwed with the bolt, and the bolt is screwed Above the support column. The circuit board height adjustment structure of claim 13, 14, 15, 16 or 17, wherein the elastic cushioning element is a spring. A server having a circuit board height adjustment structure as described in claim 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16 or 17 The support is provided on the server, the server has a vibration source, the circuit board is disposed beside the vibration source, and the elastic buffering elements have damping; by the damping, the absorption is directly from the vibration source or Indirect force or vibration transmitted to the board indirectly. The server of claim 19, wherein the vibration source is a heat dissipation fan. For example, the server of claim 20, wherein a hard disk is connected to the circuit board. The server of claim 21, wherein the hard disk is disposed on the circuit board. The server of claim 19, wherein the vibration source is a hard disk.