CN214960613U - Circuit board fixing device - Google Patents
Circuit board fixing device Download PDFInfo
- Publication number
- CN214960613U CN214960613U CN202120016857.8U CN202120016857U CN214960613U CN 214960613 U CN214960613 U CN 214960613U CN 202120016857 U CN202120016857 U CN 202120016857U CN 214960613 U CN214960613 U CN 214960613U
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- China
- Prior art keywords
- circuit board
- compression spring
- hole
- column
- base
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007906 compression Methods 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model discloses a circuit board fixing device, which comprises a base, the circuit board assembles the square inslot that sets up some on the base, four angles in square groove are provided with the reference column, four angles on the base upper surface all are equipped with the mounting, the mounting includes step post, compression spring and detains and holds the piece, detains and holds a one end and cup joint in step post middle part, compression spring wears to locate step post middle part, compression spring upper end and step post upper end swing joint, compression spring's lower extreme and the one end fixed connection who detains a band pass hole, detain and hold another section bar and pass through step guide pillar straining circuit board. The utility model discloses assemble the circuit board behind the square groove, rotatory detain and hold the piece, match the step guide pillar and insert in the guide pillar hole, push down through compression spring's pressure and detain and hold the piece, and then detain and hold and support tight circuit board, realize the fixed to the circuit board, the utility model discloses need not to dismantle construction bolt, and mounting simple structure, it is convenient to make.
Description
Technical Field
The utility model belongs to electron product processing equipment field especially relates to a circuit board fixing device.
Background
In the recent development of technology and information, computer devices have become popular electronic products. At present, a motherboard is installed inside a common computer in the market to serve as a core component of a computer system, so that peripheral hardware of the computer, such as a central processing unit, a memory module, a control adapter card and the like, electrically connected to the motherboard can smoothly execute preset functions of the peripheral hardware.
However, in the process of mounting and dismounting the motherboard, the user has to perform the bolt locking and dismounting work repeatedly one by one, which is quite troublesome, so that chinese patent No. CN201115149Y discloses a "circuit board fixing device", which includes a bottom plate supporting the circuit board thereon, and the bottom plate is provided with a plurality of positioning posts, penetrating through the circuit board to position the circuit board and at least one fixing member, rotatably disposed on the bottom plate, and fastened on a top surface of the circuit board. Although the fixing device is not fixed by bolts, the trouble of disassembling and installing screws is avoided, but the fixing part has a complex structure, and the difficulty in producing and processing the device is increased.
Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a circuit board fixing device can solve above-mentioned prior art's weak point completely.
The purpose of the utility model is realized through the following technical scheme:
a circuit board fixing device is used for fixing a circuit board with a positioning hole and comprises a base, wherein the circuit board is assembled in a square groove formed in the base, positioning columns matched with the positioning hole are arranged at four corners of the square groove, a guide column hole is formed in the positioning columns from top to bottom, fixing parts used for clamping the circuit board are arranged at the positions of the four corners of the upper surface of the base respectively, each fixing part comprises a step column, a compression spring and a clamping part, the diameters of two ends of each step column are large, the diameter of the middle part of each step column is small, a through hole is formed in one end of each clamping part from top to bottom, a step guide column matched with the guide column hole is arranged on the lower surface of the other end of each clamping part, one end of each clamping part with the through hole is sleeved in the middle of the step column, the compression spring penetrates through the middle part of the step column, the upper end of the compression spring is movably connected with the upper end of the step column, and the lower end of the compression spring is fixedly connected with one end of each clamping part with the through hole, the compression spring and the retaining member rotate about the step post.
Preferably, a rubber cushion layer is bonded to the hole wall of the guide pillar hole.
Preferably, the step guide pillar is a step guide pillar with the diameter of the upper half part larger than that of the lower half part, and the lower end of the step guide pillar is in a wedge shape.
Preferably, a protection pad is adhered to a surface of the step guide pillar contacting the circuit board.
Preferably, the upper surface of the square groove is provided with a plurality of supporting pieces for supporting the circuit board.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses simple structure, reasonable in design assembles the circuit board behind the square groove, and rotatory the knot holds the piece, and it is downthehole to match the step guide pillar and insert the guide pillar, pushes down the knot through compression spring's pressure and holds the piece, and then detains and support tight circuit board, realizes the fixed to the circuit board, the utility model discloses need not to dismantle construction bolt, and mounting structure is simple, and it is convenient to make.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a block diagram of the mount;
fig. 4 is a schematic structural view of the step guide pillar.
Reference numerals: 1-positioning hole, 2-circuit board, 3-base, 4-square groove, 5-support piece, 6-positioning column, 7-guide column hole, 8-fixing piece, 801-step column, 802-compression spring, 803-buckling piece, 804-step guide column and 9-protection pad.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
Example one
As shown in fig. 1 to 4, a circuit board fixing device for fixing a circuit board 2 having a positioning hole 1, the fixing device comprises a base 3, a square groove 4 is formed on the upper surface of the base 3, a plurality of supporting members 5 for supporting the circuit board 2 are integrally formed at the bottom of the square groove 4, the circuit board 2 is assembled in the square groove 4 formed on the base 3, a positioning post 6 matched with the positioning hole 1 is integrally formed at each of four corners of the square groove 4, a guide post hole 7 is formed from top to bottom on the positioning post 6, fixing members 8 for retaining the circuit board 2 are integrally formed at each of the four corners of the upper surface of the base 3, each fixing member 8 comprises a step post 801, a compression spring 802 and a retaining member 803, the diameter of two ends of the step post 801 is large, the diameter of the middle portion is small, the bottom end of the step post 801 is integrally formed on the upper surface of the base 1, the retaining member 803 is of a plate-like structure, a through hole is formed at one end of the retaining member 803 from top to bottom, the lower surface of the other end of the buckling piece 803 is integrally formed with a step guide post 804 matched with the guide post hole 7, the upper end of the step guide post 804 is integrally formed with the buckling piece 803, the diameter of the upper half part of the step guide post 804 is larger than that of the lower half part, the step post 801 passes through a through hole on the buckling piece 803, the buckling piece 803 is sleeved on the middle part of the step column 801, the diameter of the through hole is slightly larger than the middle shaft diameter of the step column 801 and smaller than the shaft diameter of the two ends of the step column 801, the compression spring 802 penetrates through the outer peripheral wall of the middle part of the step column 801, the diameter of the inner ring of the compression spring 802 is the same as that of the through hole, the upper end of the compression spring 802 is movably connected with the upper end of the step column 801, the lower end of the compression spring 802 is fixedly connected with one end of the buckling piece 803 with the through hole, the compression spring 802 and the buckling piece 803 are always kept on the part with the smaller shaft diameter of the middle part of the step column 801, and the compression spring 802 is always in a compressed state, the compression spring 802 and the catch 803 rotate around the step column 801.
The utility model discloses the principle: aim at reference column 6 with locating hole 1 of circuit board 2, penetrate reference column 6 locating hole 1, the realization is placed the location of circuit board, rotatory knot holds piece 803 afterwards, make step guide pillar 804 aim at guide pillar hole 7, detain and hold piece 803 under compression spring 802's pressure effect, in the guide pillar hole 7 of impressing step guide pillar 804, the realization is to the straining of circuit board 2, during the dismantlement, upwards mention the knot with strength and hold piece 803, put forward guide pillar hole 7 with step guide pillar 804, and rotatory knot holds piece 803, make step guide pillar 804 stagger with circuit board 2, can take out the circuit board.
Example two
As shown in fig. 1 to 4, a circuit board fixing device has all the technical features of the first embodiment, except that: the hole wall of the guide post hole 7 is bonded with a rubber cushion layer, so that the step guide post 804 is more tightly matched with the guide post hole 7, and the circuit board 2 is more tightly buckled.
EXAMPLE III
As shown in fig. 1 to 4, a circuit board fixing device has all the technical features of the second embodiment, and the differences are as follows: the bottom end of the step guide pillar 804 is wedge-shaped, so that the step guide pillar 804 can be aligned with the guide pillar hole 7 conveniently, and the butt joint is easier.
Example four
As shown in fig. 1 to 4, a circuit board fixing device has all the technical features of the third embodiment, and the differences are as follows: the surface of the step guide pillar 804 contacting the circuit board 2 is adhered with a protection pad 9 designed to protect the circuit board 2 by pressing the circuit board 2 against the fastener 803.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a circuit board fixing device for circuit board (2) of fixed band locating hole (1), its characterized in that: the circuit board fixing device comprises a base (3), wherein the circuit board (2) is assembled in a square groove (4) formed in the base (3), positioning columns (6) matched with positioning holes (1) are arranged at four corners of the square groove (4), guide column holes (7) are formed in the positioning columns (6) from top to bottom, fixing parts (8) used for clamping the circuit board (2) are arranged at the positions of the four corners of the upper surface of the base (3), each fixing part (8) comprises a step column (801), a compression spring (802) and a clamping part (803), the diameters of two ends and the middle part of the step column (801) are large, a through hole is formed in one end of each clamping part (803) from top to bottom, a step guide column (804) matched with the guide column hole (7) is arranged on the lower surface of the other end of the clamping part (803), and one end with the through hole is sleeved in the middle part of the step column (801), compression spring (802) wear to locate step post (801) middle part, compression spring (802) upper end and step post (801) upper end swing joint, the lower extreme and the buckle of compression spring (802) hold one end fixed connection of piece (803) band-pass hole, compression spring (802) and buckle hold piece (803) and rotate around step post (801).
2. A circuit board fixture according to claim 1, wherein: and a rubber cushion layer is bonded on the hole wall of the guide pillar hole (7).
3. A circuit board fixture according to claim 1, wherein: the diameter of the upper half part of the step guide column (804) is larger than that of the lower half part of the step guide column, and the lower end of the step guide column (804) is in a wedge shape.
4. A circuit board fixture according to claim 1, wherein: and a protective pad (9) is bonded on the surface of the step guide post (804) contacted with the circuit board (2).
5. A circuit board fixture according to claim 1, wherein: the upper surface of the square groove (4) is provided with a plurality of supporting pieces (5) for supporting the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120016857.8U CN214960613U (en) | 2021-01-05 | 2021-01-05 | Circuit board fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120016857.8U CN214960613U (en) | 2021-01-05 | 2021-01-05 | Circuit board fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214960613U true CN214960613U (en) | 2021-11-30 |
Family
ID=79122032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120016857.8U Expired - Fee Related CN214960613U (en) | 2021-01-05 | 2021-01-05 | Circuit board fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214960613U (en) |
-
2021
- 2021-01-05 CN CN202120016857.8U patent/CN214960613U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |