CN221127723U - Auxiliary fixing structure of circuit board - Google Patents
Auxiliary fixing structure of circuit board Download PDFInfo
- Publication number
- CN221127723U CN221127723U CN202322447140.0U CN202322447140U CN221127723U CN 221127723 U CN221127723 U CN 221127723U CN 202322447140 U CN202322447140 U CN 202322447140U CN 221127723 U CN221127723 U CN 221127723U
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- China
- Prior art keywords
- wall
- circuit board
- fixed
- fixing structure
- auxiliary fixing
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- 238000009434 installation Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000011092 Hand injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000006467 substitution reaction 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 is used for fixing a circuit board in a device shell, wherein a sealing gasket is arranged on the inner wall of the device shell, a plurality of mounting sleeves and cylindrical grooves are fixed on the inner wall of the bottom of the device shell, the top of each mounting sleeve is used for fixing the circuit board and comprises a convex column, the convex column is inserted in each cylindrical groove, a second shell is fixed on the outer wall of the top of each convex column, a first shell is fixed on the outer wall of one side of each second shell, a group of rectangular through grooves are formed in the outer wall of one side of each second shell, a group of movable plates are connected to the inner wall of each rectangular through groove in a sliding mode, inclined surfaces are formed in the outer wall of one side of each movable plate, a connecting plate is fixed on the outer wall of one side of each movable plate, and a first spring is fixed on the outer wall of one side of each connecting plate. According to the utility model, the circuit board is extruded to one side without downwards extruding the circuit board by a worker, so that the worker can rapidly and conveniently install and fix the circuit board.
Description
Technical Field
The utility model relates to the technical field of circuit board fixing, in particular to an auxiliary fixing structure of a circuit board.
Background
The circuit board is a basic component in an electronic product, and a plurality of electronic components are mounted on the board surface of the circuit board, so that in order to protect the electronic components, the circuit board is usually fixedly mounted inside the electronic product to prevent other components from colliding with the circuit board to damage the electronic components, and in the prior art, a screw is usually used to fix the circuit board inside a shell of the electronic product.
In some assembly structures, in order to achieve certain shockproof capability and tight installation of the circuit board, a layer of rubber sealing gasket is arranged between the circuit board and the shell, in the installation process of the circuit board, workers are required to press the circuit board to one side forcefully, the circuit board presses the rubber sealing gasket to deform and keep the rubber sealing gasket, so that the requirement can be met, and then locking holes on the circuit board and installation holes on the equipment shell can be locked;
The existing installation mode adopts manual force application extrusion and locking, and the operation mode can meet the assembly requirement, but the efficiency is lower and lower after long-time operation, and the problem of hand injury after long-time pressing exists.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides an auxiliary fixing structure of a circuit board.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a be used for fixing the circuit board in equipment shell, equipment shell inner wall is provided with sealed pad, equipment shell bottom inner wall is fixed with a plurality of installation sleeves and cylinder groove, and the installation sleeve top is used for fixed circuit board, including the projection, the projection is pegged graft in the cylinder inslot, and projection top outer wall is fixed with the second casing, and second casing one side outer wall is fixed with first casing, and second casing one side outer wall is opened there is a set of rectangle to lead to the groove, and rectangle leads to inslot wall sliding connection has a set of fly leaf, and the inclined plane is opened to fly leaf one side outer wall, and fly leaf one side outer wall is fixed with the connecting plate, and connecting plate one side outer wall is fixed with first spring.
As still further aspects of the utility model: the outer wall of the circuit board is provided with a lock hole, and the circuit board is fixed with the mounting sleeve through the lock hole and the screw.
As still further aspects of the utility model: the outer wall of one side of the first shell is provided with a circular through hole, the inner wall of the circular through hole is slidably connected with a push rod, the outer wall of one side of the push rod is fixedly provided with a first limiting ring, and the outer wall of one side of the first spring is fixedly arranged on the outer wall of one side of the first limiting ring.
As still further aspects of the utility model: and an ejector rod is fixed on the outer wall of one side of the first limiting ring.
As still further aspects of the utility model: the inner walls of two sides of the second shell are respectively provided with a guide groove, the outer walls of two sides of the connecting plate are respectively fixed with an L-shaped plate, and the L-shaped plates are slidably connected to the inner walls of the guide grooves.
As still further aspects of the utility model: and elastic pads are fixed on the outer walls of the bottoms of the second shell and the first shell.
As still further aspects of the utility model: the outer wall of one side of the first shell is provided with an internal thread sleeve, the inner wall of the internal thread sleeve is connected with a second limiting ring through threads, the outer wall of one side of the second limiting ring is fixedly provided with a second spring, the outer wall of one side of the second spring is fixedly arranged on the outer wall of one side of the connecting plate, and the outer wall of one side of the threaded rod is fixedly provided with a knob.
As still further aspects of the utility model: the outer wall of the top of the connecting plate is fixedly provided with a push block, the outer wall of the top of the second shell is provided with a guide through groove, and the push block is connected to the inner wall of the guide through groove in a sliding mode.
The beneficial effects of the utility model are as follows:
1. The outer wall of the bottom of the circuit board can be in contact with the inclined surface on one side of the movable plate when descending, at the moment, the movable plate can extrude one side of the circuit board inserted into the inner wall of the equipment shell through the elastic force provided by the first spring, the whole circuit board can be stably extruded to a sealing gasket on the inner wall of the equipment shell, workers do not need to extrude the circuit board downwards, and then extrude the circuit board to one side, so that a lock hole on the circuit board can be aligned with an installation sleeve on the bottom of the equipment shell, then the workers fix the circuit board through screws, and the whole second shell can be pulled out from the equipment shell, so that the workers can install and fix the circuit board quickly and conveniently.
2. The staff can change the force applied to the whole movable plate by the first spring by pushing the push rod, so that the movable plate can better push the circuit board to move to the inner wall of one side of the equipment shell; when the staff presses the push rod forward, the connecting plate is integrally pushed to move forward through the ejector rod, so that the movable plate can more stably push the circuit board to move to the inner wall of one side of the equipment shell.
3. The staff accessible rotates the threaded rod and promotes the whole forward movement of second spacing ring to cooperate the better extrusion to the connecting plate of second spring, let the promotion circuit board that the fly leaf can be stable and equipment shell inner wall chucking.
Drawings
Fig. 1 is a schematic front view of an auxiliary fixing structure of a circuit board according to the present utility model;
fig. 2 is a schematic diagram of an equipment housing of an auxiliary fixing structure of a circuit board according to the present utility model;
fig. 3 is a schematic diagram of a second housing structure of an auxiliary fixing structure of a circuit board according to the present utility model;
fig. 4 is a schematic diagram of the inside of a second housing of the auxiliary fixing structure of the circuit board according to the present utility model;
fig. 5 is a schematic structural diagram of an embodiment 2 of an auxiliary fixing structure of a circuit board according to the present utility model;
fig. 6 is a schematic illustration of a push block structure of an auxiliary fixing structure of a circuit board according to the present utility model.
In the figure: 1-equipment shell, 2-first casing, 3-sealing gasket, 4-second casing, 5-inclined plane, 6-circuit board, 7-lockhole, 8-cylinder groove, 9-boss, 10-elastic gasket, 11-push rod, 12-first spacing ring, 13-first spring, 14-push rod, 15-guide slot, 16-L template, 17-fly leaf, 18-connecting plate, 19-threaded rod, 20-knob, 21-guide through slot, 22-push block, 23-second spacing ring, 24-second spring, 25-internal thread sleeve, 26-installation sleeve.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
Example 1
The auxiliary fixing structure of the circuit board is shown in fig. 1-4, and comprises a device shell 1, wherein a plurality of mounting sleeves 26 and cylindrical grooves 8 are fixed on the inner wall of the bottom of the device shell 1, a circuit board 6 is arranged on the outer wall of the top of each mounting sleeve 26, a convex column 9 is inserted into the inner wall of each cylindrical groove 8, a second shell 4 is fixed on the outer wall of the top of each convex column 9, a first shell 2 is fixed on the outer wall of one side of the second shell 4, a group of rectangular through grooves are formed in the outer wall of one side of the second shell 4, a group of movable plates 17 are slidably connected on the inner wall of each rectangular through groove, inclined surfaces 5 are formed in the outer wall of one side of each movable plate 17, a connecting plate 18 is fixed on the outer wall of one side of each movable plate 17, and a first spring 13 is fixed on the outer wall of one side of each connecting plate 18; the outer wall of the circuit board 6 is provided with a lock hole 7, the lock hole 7 is fixed on the inner wall of the mounting sleeve 26 through screws, and the inner wall of the equipment shell 1 is provided with a sealing gasket 3.
The staff inserts a set of projection 9 of second casing 4 bottom on the corresponding cylinder groove 8 of equipment shell 1 inner wall at first, later insert circuit board 6 wholly into equipment shell 1 inner wall again, circuit board 6 bottom outer wall can take place to contact with inclined plane 5 of fly leaf 17 one side when descending this moment, the fly leaf 17 can extrude the one side of circuit board 6 of inserting equipment shell 1 inner wall through the elasticity that first spring 13 provided this moment, thereby let circuit board 6 wholly can be stable extrude sealed pad 3 on the equipment shell 1 inner wall, need not the staff and extrude circuit board 6 to one side again when extruding circuit board 6 downwards, can let the lockhole 7 on the circuit board 6 aim at the installation sleeve 26 of equipment shell 1 bottom, then the staff is fixed circuit board 6 through the screw, can pull out second casing 4 wholly from equipment shell 1, thereby let the staff can install fixedly to circuit board 6 fast and convenient.
As shown in fig. 3-4, the outer wall of one side of the first shell 2 is provided with a circular through hole, the inner wall of the circular through hole is slidably connected with a push rod 11, the outer wall of one side of the push rod 11 is fixed with a first limiting ring 12, and the outer wall of one side of the first spring 13 is fixed on the outer wall of one side of the first limiting ring 12; the staff can change the force applied to the movable plate 17 by the first spring 13 by pushing the push rod 11, so that the movable plate 17 can better push the circuit board 6 to move towards the inner wall of one side of the equipment shell 1.
As shown in fig. 4, the outer wall of one side of the first limiting ring 12 is fixed with a push rod 14; when the staff presses the push rod 11 forward, the push rod 14 integrally pushes the connecting plate 18 to move forward integrally, so that the movable plate 17 can more stably push the circuit board 6 to move towards the inner wall of one side of the equipment shell 1.
As shown in fig. 4, the inner walls of the two sides of the second housing 4 are respectively provided with a guide groove 15, the outer walls of the two sides of the connecting plate 18 are respectively fixed with an L-shaped plate 16, and the L-shaped plate 16 is slidably connected to the inner walls of the guide grooves 15; the L-shaped plate 16 and the guide groove 15 can guide the connecting plate 18 when the connecting plate 18 moves forwards and backwards, and stability when the connecting plate 18 moves forwards and backwards is improved.
As shown in fig. 3, the outer walls of the bottoms of the second shell 4 and the first shell 2 are fixed with elastic pads 10; the elastic pad 10 may cushion the contact surface between the second casing 4 and the bottom inner wall of the device housing 1.
Working principle: the staff inserts a set of projection 9 of second casing 4 bottom on the corresponding cylinder groove 8 of equipment shell 1 inner wall at first, later insert circuit board 6 wholly into equipment shell 1 inner wall again, the outer wall of circuit board 6 bottom can contact with inclined plane 5 of fly leaf 17 one side when descending this moment, the fly leaf 17 can extrude the one side of circuit board 6 of inserting equipment shell 1 inner wall through the elasticity that first spring 13 provided this moment, thereby let circuit board 6 wholly can be stable extrude the sealed pad 3 on the equipment shell 1 inner wall, need not the staff and extrude circuit board 6 to one side again when extruding circuit board 6 downwards, can let the lockhole 7 on the circuit board 6 aim at the installation sleeve 26 of equipment shell 1 bottom, later the staff passes through the screw with circuit board 6 fixed, can pull out second casing 4 wholly from equipment shell 1.
Example 2
As shown in fig. 5 to 6, this embodiment makes the following modifications on the basis of embodiment 1: an inner threaded sleeve 25 is arranged on one side outer wall of the first shell 2, a second limiting ring 23 is connected to the inner wall of the inner threaded sleeve 25 through threads, a second spring 24 is fixed on one side outer wall of the second limiting ring 23, one side outer wall of the second spring 24 is fixed on one side outer wall of the connecting plate 18, and a knob 20 is fixed on one side outer wall of the threaded rod 19; the staff can push the second limiting ring 23 to integrally move forwards through rotating the threaded rod 19, so that the connecting plate 18 is better extruded by matching with the second spring 24, and the movable plate 17 can stably push the circuit board 6 to be clamped with the inner wall of the equipment shell 1.
The outer wall of the top of the connecting plate 18 is fixedly provided with a push block 22, the outer wall of the top of the second shell 4 is provided with a guide through groove 21, and the push block 22 is connected to the inner wall of the guide through groove 21 in a sliding manner; the staff can push the connecting plate 18 to integrally slide in the second shell 4 by pushing the push block 22, so that the staff can conveniently push the movable plate 17 and the connecting plate 18 to integrally reset.
Working principle: the staff can push the second limiting ring 23 to integrally move forwards by rotating the threaded rod 19, so that the connecting plate 18 is better extruded by matching with the second spring 24.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides an auxiliary fixing structure of circuit board for fix circuit board (6) in the equipment shell, equipment shell (1) inner wall is provided with sealed pad (3), and equipment shell (1) bottom inner wall is fixed with a plurality of installation sleeve (26) and cylindrical tank (8), and installation sleeve (26) top is used for fixed circuit board (6), a serial communication port, including projection (9), projection (9) are pegged graft in cylindrical tank (8), and projection (9) top outer wall is fixed with second casing (4), and second casing (4) one side outer wall is fixed with first casing (2), and second casing (4) one side outer wall is opened there is a set of rectangle logical groove, and rectangle logical groove inner wall sliding connection has a set of fly leaf (17), and fly leaf (17) one side outer wall is opened there is inclined plane (5), and fly leaf (17) one side outer wall is fixed with connecting plate (18), and connecting plate (18) one side outer wall is fixed with first spring (13).
2. The auxiliary fixing structure of the circuit board according to claim 1, wherein the outer wall of the circuit board (6) is provided with a lock hole (7), and the circuit board (6) is fixed with the mounting sleeve (26) through the lock hole (7) and a screw.
3. The auxiliary fixing structure of a circuit board according to claim 1, wherein a circular through hole is formed in an outer wall of one side of the first housing (2), a push rod (11) is slidably connected to an inner wall of the circular through hole, a first limiting ring (12) is fixed to an outer wall of one side of the push rod (11), and an outer wall of one side of the first spring (13) is fixed to an outer wall of one side of the first limiting ring (12).
4. An auxiliary fixing structure of a circuit board according to claim 3, wherein the ejector rod (14) is fixed on the outer wall of one side of the first limiting ring (12).
5. The auxiliary fixing structure of a circuit board according to claim 1, wherein guide grooves (15) are respectively formed on inner walls of two sides of the second housing (4), L-shaped plates (16) are respectively fixed on outer walls of two sides of the connecting plate (18), and the L-shaped plates (16) are slidably connected to the inner walls of the guide grooves (15).
6. The auxiliary fixing structure of a circuit board according to claim 5, wherein the elastic pad (10) is fixed to the outer walls of the bottoms of the second housing (4) and the first housing (2).
7. The auxiliary fixing structure of a circuit board according to claim 6, wherein an inner thread sleeve (25) is disposed on one side outer wall of the first housing (2), a second limiting ring (23) is connected to an inner wall of the inner thread sleeve (25) through threads, a second spring (24) is fixed on one side outer wall of the second limiting ring (23), one side outer wall of the second spring (24) is fixed on one side outer wall of the connecting plate (18), and a knob (20) is fixed on one side outer wall of the threaded rod (19).
8. The auxiliary fixing structure of a circuit board according to claim 7, wherein a push block (22) is fixed on the top outer wall of the connecting plate (18), a guiding through groove (21) is formed on the top outer wall of the second housing (4), and the push block (22) is slidably connected to the inner wall of the guiding through groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447140.0U CN221127723U (en) | 2023-09-11 | 2023-09-11 | Auxiliary fixing structure of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447140.0U CN221127723U (en) | 2023-09-11 | 2023-09-11 | Auxiliary fixing structure of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221127723U true CN221127723U (en) | 2024-06-11 |
Family
ID=91365785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322447140.0U Active CN221127723U (en) | 2023-09-11 | 2023-09-11 | Auxiliary fixing structure of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221127723U (en) |
-
2023
- 2023-09-11 CN CN202322447140.0U patent/CN221127723U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |