CN220511355U - Abnormal sound preventing structure of circuit board - Google Patents
Abnormal sound preventing structure of circuit board Download PDFInfo
- Publication number
- CN220511355U CN220511355U CN202321224648.8U CN202321224648U CN220511355U CN 220511355 U CN220511355 U CN 220511355U CN 202321224648 U CN202321224648 U CN 202321224648U CN 220511355 U CN220511355 U CN 220511355U
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- Prior art keywords
- boss
- circuit board
- abnormal sound
- shell
- fixing
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- 230000002159 abnormal effect Effects 0.000 title claims abstract description 24
- 210000000078 claw Anatomy 0.000 claims abstract description 15
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 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 relates to the technical field of electronics, in particular to an abnormal sound preventing structure of a circuit board. The device comprises a shell, wherein a first fixing structure is arranged at the bottom of the shell, the first fixing structure comprises a fixing plate, the fixing plate is vertically arranged on the bottom surface of the shell, and a first boss is arranged at the bottom of the fixing plate; the second boss is arranged at the bottom of the inner side wall of the shell facing the fixed plate and corresponds to the first boss, and a distance matched with the thickness of a circuit board is arranged between the second boss and the first boss; and the upper cover is arranged on the shell, the lower end of the upper cover is provided with a claw, the claw clamps the upper end of the circuit board, and the lower end of the circuit board is positioned in the first fixing structure. The abnormal sound prevention structure for the circuit board prevents abnormal sound from occurring during the installation of the circuit board, and is simple in design, convenient and practical.
Description
Technical Field
The utility model relates to the technical field of electronics, in particular to a circuit board mounting structure.
Background
The circuit board of the automobile control and power supply module is generally fixed on the shell firstly to be assembled into a module assembly, then the module assembly is integrated and fixed on an automobile structural member, and the circuit board is fixed on the shell and generally adopts two fixing modes: the method is fixed through the screws, the method is firm, abnormal noise cannot be generated, the use of the screws is increased, the cost is increased, the screws occupy a large space of the circuit board and are not utilized effectively, in another mode, the structure is fixed through the buckles or the fixing ribs, the cost is saved, and shaking and abnormal noise are generated easily.
Disclosure of Invention
The utility model aims to provide an abnormal sound prevention structure of a circuit board, which solves the technical problems;
the technical problems solved by the utility model can be realized by adopting the following technical scheme:
an abnormal sound preventing structure of a circuit board comprises,
a shell, a first fixing structure is arranged at the bottom of the shell, the first fixing structure comprises,
the fixing plate is vertically arranged on the bottom surface of the shell, and a first boss is arranged at the bottom of the fixing plate;
the second boss is arranged at the bottom of one inner side wall of the shell facing the fixed plate and corresponds to the first boss, and a distance matched with the thickness of a circuit board is arranged between the second boss and the first boss;
the upper cover is arranged on the shell, the lower end of the upper cover is provided with a claw, the claw clamps the upper end of the circuit board, and the lower end of the circuit board is positioned in the first fixing structure.
Preferably, the claw comprises a first supporting plate and a second supporting plate symmetrical to the first supporting plate, the second supporting plate is arranged on the bottom surface of the upper cover and faces downwards, a third boss is arranged on one side, facing the second supporting plate, of the first supporting plate, and a fourth boss corresponding to the third boss is arranged on the first supporting plate.
Preferably, the side surfaces of the third boss and the fourth boss are slope structures with a certain radian, the upper end of the circuit board is arranged between the first supporting plate and the second supporting plate, and the edges of the circuit board are in interference butt joint with the side surfaces of the third boss and the fourth boss respectively.
Preferably, the upper part of the shell is provided with a shoulder, the shoulder comprises a shoulder platform and an upper edge arranged on the shoulder platform, a fifth boss is arranged on the inner side of the upper edge, and the edge of the upper cover is positioned between the fifth boss and the shoulder platform.
Preferably, the upper end of the fifth boss has a certain inclination.
Preferably, the sides of the first boss and the second boss facing upward have a set inclination.
Preferably, the fixing plate is of a symmetrical structure, the first bosses are arranged on two sides of the fixing plate, and the second bosses corresponding to the first bosses are arranged at the bottom of the shell.
Preferably, the fixing plate includes a plurality of fixing plates, and the fixing plates are arranged on the bottom surface of the housing in the first direction.
Preferably, the upper cover includes a plurality of jaws arranged at a lower end of the upper cover in the first direction.
Preferably, the first direction is a direction parallel to a plane where the circuit board is located.
The utility model has the beneficial effects that: by adopting the technical scheme, the abnormal sound prevention structure for the circuit board is simple in design, convenient and practical, and abnormal sound is prevented from occurring during installation of the circuit board.
Drawings
Fig. 1 is a cross-sectional view of an abnormal sound preventing structure of a circuit board according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion of the second stationary structure of FIG. 1 in accordance with an embodiment of the present utility model;
FIG. 3 is an enlarged view of a portion of the first fixed structure of FIG. 1 in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic diagram showing the connection between the upper cover and the circuit board according to the embodiment of the utility model;
FIG. 5 is an enlarged view of a portion of FIG. 4 in accordance with an embodiment of the present utility model;
FIG. 6 is a schematic diagram showing the connection between the upper cover and the circuit board according to the embodiment of the utility model;
FIG. 7 is an enlarged view of a portion of FIG. 6 in accordance with an embodiment of the present utility model;
FIG. 8 is a top view of a housing in an embodiment of the utility model;
FIG. 9 is a schematic view of a structure of a housing according to an embodiment of the present utility model;
FIG. 10 is an enlarged view of a portion of FIG. 9 in accordance with an embodiment of the present utility model;
fig. 11 is a bottom view of the upper cover in an embodiment of the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
An abnormal sound preventing structure of a circuit board, as shown in fig. 1 to 11, comprises,
a shell 1, the bottom of the shell 1 is provided with a first fixing structure, as shown in fig. 1 and 3, the first fixing structure comprises,
the fixed plate 3 is vertically arranged on the bottom surface of the shell 1, and a first boss 31 is arranged at the bottom of the fixed plate 3;
the second boss 14 is arranged at the bottom of one inner side wall of the shell 1 facing the fixed plate 3 and corresponds to the first boss 31, and a distance matched with the thickness of the circuit board 5 is arranged between the second boss 14 and the first boss 31;
an upper cover 2 is disposed on the housing 1, as shown in fig. 4 to 7, a claw 21 is disposed at a lower end of the upper cover 2, the claw 21 clamps an upper end of the circuit board 5, and a lower end of the circuit board 5 is disposed in the first fixing structure.
Specifically, a fixing plate 3 is arranged in a shell 1, a first boss 31 and a second boss 14 which are opposite are respectively arranged at the bottom ends of the fixing plate 3 and the shell 1, the first boss 31 and the second boss 14 form a first fixing structure together, and when a circuit board 5 is assembled, the lower end of the circuit board 5 is clamped between the first boss 31 and the second boss 14 to keep the bottom of the circuit board 5 fixed; further, the lower end of the upper cover 2 is provided with the clamping jaw 21, the clamping jaw 21 clamps the upper end of the circuit board 5 and keeps clamping and fixing of the top of the circuit board 5, and preferably, the structure provided by the utility model can enable the circuit board 5 to be fixedly locked under the matching of the shell 1 and the upper cover 2, and abnormal noise cannot be generated.
In a preferred embodiment, referring to fig. 4 to 7, the claw 21 includes a first support plate 22 and a second support plate 24 symmetrical to the first support plate 22, the bottom surface of the upper cover 2 is disposed downward, a third boss 23 is disposed on a side of the first support plate 22 facing the second support plate 24, and a fourth boss 25 corresponding to the third boss 23 is disposed on the first support plate 22.
In a preferred embodiment, the side surfaces of the third boss 23 and the fourth boss 25 are sloping structures with a certain radian, the upper end of the circuit board 5 is arranged between the first support plate 22 and the second support plate 24, and the edges of the circuit board 5 are in interference abutting joint with the side surfaces of the third boss 23 and the fourth boss 25 respectively.
Specifically, the claw 21 is composed of a first support plate 22 and a second support plate 24, and a third boss 23 and a fourth boss 25 are respectively provided on opposite sides of the first support plate 22 and the second support plate 24, when the circuit board 5 is mounted, the circuit board 5 is placed in the housing 1, then the upper cover 2 is pressed toward the housing 1, and the upper cover 2 is kept fixed with the housing 1 so that the claw 21 clamps the upper end of the circuit board 5.
In a preferred embodiment, as shown in fig. 2, the upper part of the housing 1 is provided with a shoulder 11, the shoulder 11 comprises a shoulder platform 12 and an upper edge 13 arranged on the shoulder platform 12, a fifth boss 4 is arranged on the inner side of the upper edge 13, and the edge of the upper cover 2 is positioned between the fifth boss 4 and the shoulder platform 12.
In a preferred embodiment, the upper end of the fifth boss 4 is provided with a slope.
Specifically, when the upper cover 2 is fixed with the housing 1, the upper cover 2 needs to be pressed towards the housing 1, the upper end of the fifth boss 4 has a certain inclination, so that the edge of the upper cover 2 gradually extrudes the upper end of the fifth boss 4 to drive the upper edge 13 of the shoulder 11 to generate a certain outward stretching deformation, the edge of the upper cover 2 further falls onto the shoulder platform 12, then the upper edge 13 of the shoulder 11 is reset, the fifth boss 4 is driven to reset onto the edge of the upper cover 2, the edge of the upper cover 2 is positioned between the fifth boss 4 and the shoulder platform 12, and the fixation between the upper cover 2 and the housing 1 is maintained.
In a preferred embodiment, the sides of the first boss 31 and the second boss 14 facing upward are provided with a set slope.
Preferably, the upward facing sides of the first boss 31 and the second boss 14 have a certain inclination to play a role in guiding the downward mounting of the circuit board 5.
In a preferred embodiment, as shown in fig. 8 and 9, the fixing plate 3 has a symmetrical structure, two sides of the fixing plate 3 are provided with first bosses 31, and the bottom of the housing 1 is provided with second bosses 14 corresponding to the first bosses 31; specifically, the fixing plate 3 in this embodiment has an isosceles trapezoid structure, and the first boss 31 is located at the bottom of the isosceles trapezoid.
In a preferred embodiment, the fixing plate comprises a plurality of fixing plates 3, wherein the fixing plates 3 are arranged on the bottom surface of the shell 1 along the first direction; specifically, the first fixing structure holds the fixation of the bottom of the circuit board 5 in the first direction.
In a preferred embodiment, it comprises a plurality of jaws 21, the jaws 21 being arranged at the lower end of the upper cover 2 in a first direction; specifically, the claw 21 holds the top of the circuit board 5 fixed in the first direction
In a preferred embodiment, the first direction is a direction parallel to the plane of the circuit board 5.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. An abnormal sound preventing structure of a circuit board is characterized by comprising,
a shell, a first fixing structure is arranged at the bottom of the shell, the first fixing structure comprises,
the fixing plate is vertically arranged on the bottom surface of the shell, and a first boss is arranged at the bottom of the fixing plate;
the second boss is arranged at the bottom of one inner side wall of the shell facing the fixed plate and corresponds to the first boss, and a distance matched with the thickness of a circuit board is arranged between the second boss and the first boss;
the upper cover is arranged on the shell, the lower end of the upper cover is provided with a claw, the claw clamps the upper end of the circuit board, and the lower end of the circuit board is positioned in the first fixing structure.
2. The abnormal sound preventing structure of a circuit board according to claim 1, wherein the claw comprises a first supporting plate and a second supporting plate symmetrical to the first supporting plate, the bottom surface of the upper cover is arranged downwards, a third boss is arranged on one side, facing the second supporting plate, of the first supporting plate, and a fourth boss corresponding to the third boss is arranged on the first supporting plate.
3. The abnormal sound preventing structure of a circuit board according to claim 2, wherein the side surfaces of the third boss and the fourth boss are slope structures with a certain radian, the upper end of the circuit board is arranged between the first supporting plate and the second supporting plate, and the edges of the circuit board are in interference butt joint with the side surfaces of the third boss and the fourth boss respectively.
4. The abnormal sound preventing structure of a circuit board according to claim 2, wherein the upper portion of the housing is provided with a shoulder, the shoulder comprises a shoulder platform and an upper edge arranged on the shoulder platform, a fifth boss is arranged on the inner side of the upper edge, and the edge of the upper cover is located between the fifth boss and the shoulder platform.
5. The abnormal sound preventing structure of claim 4, wherein the upper end of the fifth boss has a certain inclination.
6. The abnormal sound preventing structure of claim 1, wherein the sides of the first boss and the second boss facing upward have a set inclination.
7. The abnormal sound preventing structure of a circuit board according to claim 1, wherein the fixing plate is of a symmetrical structure, the first bosses are arranged on two sides of the fixing plate, and the second bosses corresponding to the first bosses are arranged at the bottom of the shell.
8. The abnormal sound preventing structure of a circuit board according to claim 1, comprising a plurality of the fixing plates arranged on the bottom surface of the housing along a first direction.
9. The abnormal sound prevention structure of a circuit board according to claim 8, comprising a plurality of the claws arranged at a lower end of the upper cover in the first direction.
10. The abnormal sound preventing structure of claim 8, wherein the first direction is a direction parallel to a plane of the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321224648.8U CN220511355U (en) | 2023-05-19 | 2023-05-19 | Abnormal sound preventing structure of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321224648.8U CN220511355U (en) | 2023-05-19 | 2023-05-19 | Abnormal sound preventing structure of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220511355U true CN220511355U (en) | 2024-02-20 |
Family
ID=89878649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321224648.8U Active CN220511355U (en) | 2023-05-19 | 2023-05-19 | Abnormal sound preventing structure of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220511355U (en) |
-
2023
- 2023-05-19 CN CN202321224648.8U patent/CN220511355U/en active Active
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