CN111911586B - Shock-proof device and circuit board - Google Patents
Shock-proof device and circuit board Download PDFInfo
- Publication number
- CN111911586B CN111911586B CN202010592466.0A CN202010592466A CN111911586B CN 111911586 B CN111911586 B CN 111911586B CN 202010592466 A CN202010592466 A CN 202010592466A CN 111911586 B CN111911586 B CN 111911586B
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- CN
- China
- Prior art keywords
- shock
- piece
- clamping
- stopping
- clamping part
- Prior art date
- 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.)
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Links
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 230000035939 shock Effects 0.000 claims description 20
- 239000006096 absorbing agent Substances 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000013013 elastic material Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
- H05K7/1405—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards by clips or resilient members, e.g. hooks
Abstract
The application provides a shock-stopping device, which is characterized by comprising: the clamping device comprises a mounting part and a clamping part, wherein the mounting part is arranged opposite to the clamping part, and the clamping part is used for fixing a part to be clamped on the mounting part; a shock-proof piece and a limiting piece are arranged between the mounting part and the clamping part, and a gap is reserved between the limiting piece and the mounting part and/or the clamping part; the limiting piece is used for limiting the distance between the mounting part and the clamping part so as to enable the shock-stopping piece to be in a compression state; wherein, the shock-proof member is an elastic member with a ring structure. According to the vibration-stopping device provided by the application, the annular vibration-stopping piece made of the elastic material is arranged between the mounting part and the clamping part, so that vibration from multiple directions and multiple angles can be eliminated, the vibration-stopping piece is simple in structure, low in cost and convenient and quick to mount, special maintenance is not needed, and the vibration-stopping piece can be replaced periodically.
Description
Technical Field
The application relates to the technical field of shock absorption, in particular to a shock-stopping device and a circuit board.
Background
At present, the plate is fixed on a carrier (such as an electric appliance, an electric appliance cabinet, a vehicle-mounted electric appliance box and the like) which has requirements on vibration, and the method is often solved by adding springs, rubber pads and the like, and the method is often effective on vibration in one direction only, and is not obvious in vibration damping effect in multiple directions and multiple angles.
Disclosure of Invention
The application aims to provide a vibration stopping device which is used for solving the problem that the vibration damping effect is not obvious for multi-direction and multi-angle vibration in the prior art.
In a first aspect, the present application provides a shock absorber comprising:
the clamping device comprises a mounting part and a clamping part, wherein the mounting part is arranged opposite to the clamping part, and the clamping part is used for fixing a part to be clamped on the mounting part;
a shock-proof piece and a limiting piece are arranged between the mounting part and the clamping part, and a gap is reserved between the limiting piece and the mounting part and/or the clamping part; the limiting piece is used for limiting the distance between the mounting part and the clamping part so as to enable the shock-stopping piece to be in a compression state;
wherein, the shock-proof member is an elastic member with a ring structure.
In one embodiment, the limiting member is a ring member made of hard material.
In one embodiment, the mounting part is provided with an annular groove, and the inner side of the annular groove is provided with an internal thread; one end of the clamping part is provided with an external thread matched with the internal thread, the other end of the clamping part is provided with a clamping cap, and the size of the clamping cap is larger than the inner diameter of the shock-proof piece; the limiting piece and the shock-proof piece are arranged between the mounting part and the clamping cap, and the limiting piece and the shock-proof piece are sequentially sleeved outside the clamping part.
In one embodiment, the limiting member is tubular; or, the limiting piece is tubular, and one end of the limiting piece extends outwards to form an annular extension part perpendicular to the length direction of the limiting piece.
In one embodiment, the mounting part is provided with a columnar bulge, the front end of the columnar bulge is provided with an annular groove along the length direction, and the inner side of the annular groove is provided with an internal thread; one end of the clamping part is provided with an external thread matched with the internal thread, the other end of the clamping part is provided with a clamping cap, and the size of the clamping cap is larger than the inner diameter of the shock-proof piece; the limiting piece is the columnar bulge, the shock-stopping piece is arranged between the mounting part and the clamping cap, and the shock-stopping piece is sleeved outside the columnar bulge.
In one embodiment, the mounting part is provided with a columnar bulge, the columnar bulge comprises a first section and a second section which are sequentially close to the mounting part, the outer diameter of the first section is smaller than that of the second section, and the outer side of the first section is provided with external threads; the clamping part is provided with a threaded hole matched with the external thread, and a gap is reserved between the clamping part and the second section; the shock-stopping piece is sleeved outside the second section.
In one embodiment, the shock-absorbing member is integrally provided or separately provided.
In one embodiment, a gasket is further disposed between the clamping portion and the shock-absorbing member, and the gasket is sleeved on the mounting portion or the outer side of the clamping portion.
In one embodiment, a groove for placing the component to be clamped is arranged on the outer side of the shock-proof piece.
In a second aspect, the present application provides a circuit board comprising the shock absorber device of any one of the above.
Compared with the prior art, the application has the following advantages:
according to the vibration-stopping device, the annular vibration-stopping piece made of the elastic material is arranged between the mounting part and the clamping part, so that vibration from multiple directions and multiple angles can be eliminated, the vibration-stopping piece is simple in structure, low in cost and convenient and quick to mount, special maintenance is not needed, and the vibration-stopping piece can be replaced periodically.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments of the present application will be briefly described below.
FIG. 1 is a schematic view of a first embodiment of a shock absorber device according to the present application;
FIG. 2 is a schematic view of a second embodiment of a shock absorber device according to the present application;
FIG. 3 is a schematic view of a third embodiment of a shock absorber device according to the present application;
FIG. 4 is a schematic view of a fourth embodiment of a shock absorber device according to the present application;
FIG. 5 is a schematic view of a fifth embodiment of a shock absorber device according to the present application;
fig. 6 is a schematic structural view of a sixth embodiment of the shock-absorbing device according to the present application.
In the figure:
1-an installation part; 2-a first clamping portion; 3-a first shock absorber; 4-a first limiting piece; 5-a gasket; 6-a part to be clamped; 7-a second shock absorber; 8-an elastic pad; 9-a second clamping portion; 10-a second limiting piece;
11-a first annular groove; 12-columnar projections; 13-a second annular groove;
121-a first section; 122-a second section;
21-clamping cap.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
As shown in fig. 1 to 6, the present application provides a shock absorber, comprising: the clamping device comprises a mounting part 1 and a clamping part, wherein the mounting part 1 is arranged opposite to the clamping part, and the clamping part is used for fixing a part 6 to be clamped on the mounting part 1; a shock-proof piece and a limiting piece are arranged between the mounting part 1 and the clamping part, and a gap is reserved between the limiting piece and the mounting part 1 and/or the clamping part; the limiting piece is used for limiting the distance between the mounting part 1 and the clamping part so as to enable the shock-proof piece to be in a compression state; the shock-proof piece is an elastic piece with an annular structure. In order to keep the shock-proof element in the best compressing and shock-proof state, the limiting element is an annular element made of hard materials. Such as high-strength plastic pipe, etc.
According to the vibration-stopping device, the annular vibration-stopping piece made of the elastic material is arranged between the mounting part and the clamping part, so that vibration from multiple directions and multiple angles can be eliminated, the vibration-stopping piece is simple in structure, low in cost and convenient and quick to mount, special maintenance is not needed, and the vibration-stopping piece can be replaced periodically.
Further, as shown in fig. 1-2, an annular groove is formed in the mounting portion 1, and an internal thread is formed inside the annular groove; one end of the clamping part is provided with an external thread matched with the internal thread, the other end of the clamping part is provided with a clamping cap 21, and the size of the clamping cap 21 is larger than the inner diameter of the shock-proof piece; the limiting piece and the shock-proof piece are arranged between the mounting part 1 and the clamping cap, and the limiting piece and the shock-proof piece are sequentially sleeved outside the clamping part.
Specifically, a first annular groove 11 is formed in the mounting part 1, and an internal thread is arranged on the inner side of the first annular groove 11; one end of the first clamping part 2 is provided with an external thread matched with the internal thread, the other end of the first clamping part 2 is provided with a clamping cap 21, and the size of the clamping cap 21 is larger than the inner diameter of the first shock-proof piece 3; the first limiting piece 4 and the first shock-proof piece 3 are arranged between the mounting part 1 and the clamping cap 21, and the first limiting piece 4 and the first shock-proof piece 3 are sequentially sleeved outside the first clamping part 2. The mounting portion 1 is a mounting base plate.
The first annular recess 11, i.e. a bolt or screw fixation hole. The height of the groove on the outer side of the first shock-proof piece 3 for placing the part 6 to be clamped is the same as the thickness of the PCB to be fixed. Preferably, the thickness of the first limiting member 4 is 2 times that of the member 6 to be clamped, so as to ensure the elasticity of the first shock-absorbing member 3. The clamping cap 21 applies pressure to the first shock absorber 3 via the spacer 5.
Wherein the first clamping part 2 may be a screw, a bolt, etc.; the first vibration stopping piece 3 is a vibration rubber ring, and the first limiting piece 4 is a hollow high-strength plastic pipe.
The periphery, the bottom and the top of the PCB and the bolt (screw) rod are provided with glue, the hollow high-strength plastic pipe can support the PCB to avoid hard connection with the mounting bottom plate, the bolt (screw) can fix the PCB, and the whole hard vibration can not occur when the PCB vibrates at all angles.
Further, the first limiting piece 4 is in a tubular shape, such as a hollow high-strength plastic tube.
As shown in fig. 2, the second limiting member 10 has a tubular shape, and one end of the second limiting member 10 extends outwards to form an annular extension perpendicular to the length direction of the limiting member. The extension corresponds to the function of the gasket 5 in the fixing process, and the number of parts is reduced.
Further, as shown in fig. 3-4, a columnar protrusion 12 is provided on the mounting portion 1, an annular groove is provided at the front end of the columnar protrusion 12 along the length direction thereof, and an internal thread is provided at the inner side of the annular groove; one end of the clamping part is provided with an external thread matched with the internal thread, the other end of the clamping part is provided with a clamping cap 21, and the size of the clamping cap 21 is larger than the inner diameter of the shock-proof piece; the spacing piece is columnar bulge 12, and the shock-proof piece sets up between installation department 1 and clamping cap 21, and the shock-proof piece cover locates the columnar bulge 12 outside.
Specifically, a columnar bulge 12 is arranged on the mounting part 1, a second annular groove 13 is formed in the front end of the columnar bulge 12 along the length direction of the columnar bulge, and an internal thread is arranged on the inner side of the second annular groove 13; one end of the first clamping part 2 is provided with an external thread matched with the internal thread, the other end of the first clamping part 2 is provided with a clamping cap 21, and the size of the clamping cap 21 is larger than the inner diameter of the first shock-proof piece 3; the spacing piece is columnar bulge 12, and the shock-proof piece sets up between installation department 1 and clamping cap 21, and the shock-proof piece cover locates the columnar bulge 12 outside.
The height of the groove on the outer side of the first shock-proof piece 3 for placing the part 6 to be clamped is the same as the thickness of the PCB to be fixed. Preferably, the height of the columnar protrusion 12 is 1.5 times the thickness of the member to be clamped 6 to ensure the elastic force of the first shock absorber 3. The clamping cap 21 applies pressure to the first shock absorber 3 via the spacer 5.
Wherein the first clamping part 2 may be a screw, a bolt, etc.; the first vibration-stopping piece 3 is a vibration-stopping rubber ring.
As shown in fig. 2, 4 and 6, the shock-proof member is of a split structure, and comprises a second shock-proof member 7 and an elastic pad 8, and can accommodate plates with different thicknesses. Preferably, the thickness of the elastic pad 8 is 3/5 of the thickness of the plate material to ensure the fit and elasticity with the second shock absorber 7.
Further, as shown in fig. 5 to 6, the installation part 1 is provided with a columnar protrusion 12, the columnar protrusion 12 comprises a first section 121 and a second section 122 which are sequentially close to the installation part 1, the outer diameter of the first section 121 is smaller than that of the second section 122, and the outer side of the first section 121 is provided with external threads; the clamping part is provided with a threaded hole matched with the external thread, and a gap is reserved between the clamping part and the second section 122; the shock-proof member is sleeved outside the second section 122.
Specifically, the mounting portion 1 is provided with a columnar protrusion 12, the columnar protrusion 12 includes a first section 121 and a second section 122 which are sequentially close to the mounting portion 1, the outer diameter of the first section 121 is smaller than that of the second section 122, and external threads are arranged on the outer side of the first section 121; the second clamping part 9 is provided with a threaded hole matched with the external thread, and a gap is reserved between the second clamping part 9 and the second section 122; the shock-proof member is sleeved outside the second section 122.
Alternatively, the threaded hole in the second clamping portion 9 may be a through hole or a blind hole. In this embodiment, the screw hole in the second clamping portion 9 is a through hole, such as a nut or the like.
Further, the shock-proof member is integrally or separately arranged. The shock-proof member can be designed into various modes according to actual needs, such as an integral type (shown in fig. 1, 3 and 5) or a split type (shown in fig. 2, 4 and 6).
Further, a gasket is further arranged between the clamping part and the shock-proof piece, and the gasket is sleeved on the outer side of the mounting part or the clamping part. It should be noted that, as shown in fig. 2, the second limiting member 10 is tubular, and one end of the second limiting member 10 extends outwards to form an annular extension perpendicular to the length direction of the limiting member. This extension corresponds to the function of the spacer 5 during the fixing process.
Further, the outside of the shock-proof piece is provided with a groove for placing the component to be clamped. The arrangement of the grooves can be easier to plug into the PCB, and the assembly is quick.
During installation, the clamping part is screwed downwards, the pressure is applied to the vibration-proof rubber ring and the hollow high-strength plastic pipe through the gasket, at the moment, the vibration-proof rubber ring can deform and expand due to the pressure, the holes of the plates and the screws or the bolts are rapidly filled, the hollow high-strength plastic pipe supporting the screws or the bolts can support limiting pressure to continuously and infinitely transfer downwards, the automatic adjusting torsion of the electric screwdriver head can automatically stop rotating and pressing, and the locking force of the screws or the bolts is kept to be uniform and reasonable in range value.
It should be noted that the height of the high-strength plastic pipe, the height of the shock-proof rubber ring and the height of the elastic pad are matched with each other, so that the influence on the subsequent shock-proof effect is great.
The vibration-stopping device provided by the application has the advantages of simple structure, low cost, no special installation requirement in use, convenience and rapidness, no special maintenance and periodic replacement of the vibration-stopping rubber ring. Different schemes are manufactured aiming at different fixing modes, so that multidirectional and multi-angle vibration is reduced or eliminated, the service performance is improved, and the service life of equipment is prolonged.
In order to reduce interference when the electronic product is designed, the circuit board is isolated from the whole machine in an insulation way, so that the electronic product is effectively insulated and damped, and is more headache-relieving.
In order to solve the problems, based on the same inventive concept, the application also provides a circuit board which is fixed by the shock-stopping device, and the shock-stopping device can reduce or eliminate multi-directional and multi-angle shock, so that the service performance of the electronic product is improved, and the service life of equipment is prolonged.
The foregoing is only a partial embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.
Claims (3)
1. A shock absorber, comprising:
the clamping device comprises a mounting part and a clamping part, wherein the mounting part is arranged opposite to the clamping part, and the clamping part is used for fixing a part to be clamped on the mounting part;
a shock-proof piece and a limiting piece are arranged between the mounting part and the clamping part, and a gap is reserved between the limiting piece and the mounting part and/or the clamping part; the limiting piece is used for limiting the distance between the mounting part and the clamping part so as to enable the shock-stopping piece to be in a compression state;
the vibration stopping piece is an elastic piece with an annular structure, a groove for placing a part to be clamped is formed in the outer side of the vibration stopping piece, and the height of the groove is the same as the thickness of the part to be clamped; the limiting piece is an annular piece made of hard materials;
the height of the limiting piece is 2 times or 1.5 times of the thickness of the part to be clamped, so that the elasticity of the shock-stopping piece is ensured;
the shock-stopping pieces are integrally arranged or separately arranged; when the shock-stopping pieces are arranged in a split mode, the shock-stopping pieces comprise second shock-stopping pieces and elastic pads, the thickness of each elastic pad is 3/5 of that of the to-be-clamped part, so that matching and elasticity with the second shock-stopping pieces are guaranteed, the elastic pads are arranged above the second shock-stopping pieces, and the elastic pads are sleeved on the outer sides of the limiting pieces;
the mounting part is provided with a columnar bulge, the limiting piece is the columnar bulge, the columnar bulge comprises a first section and a second section which are sequentially close to the mounting part, the outer diameter of the first section is smaller than that of the second section, and the outer side of the first section is provided with external threads; the clamping part is provided with a threaded hole matched with the external thread, and a gap is reserved between the clamping part and the second section; the shock-stopping piece is sleeved outside the second section.
2. The shock absorber of claim 1, wherein a spacer is further disposed between the clamping portion and the shock absorber, and the spacer is sleeved outside the mounting portion or the clamping portion.
3. A circuit board comprising a shock absorber device according to any one of claims 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592466.0A CN111911586B (en) | 2020-06-24 | 2020-06-24 | Shock-proof device and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592466.0A CN111911586B (en) | 2020-06-24 | 2020-06-24 | Shock-proof device and circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111911586A CN111911586A (en) | 2020-11-10 |
| CN111911586B true CN111911586B (en) | 2023-11-10 |
Family
ID=73226607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010592466.0A Active CN111911586B (en) | 2020-06-24 | 2020-06-24 | Shock-proof device and circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911586B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112512247A (en) * | 2020-12-11 | 2021-03-16 | 中国北方发动机研究所(天津) | Fixed circuit board structure |
| DE102022200347A1 (en) | 2022-01-14 | 2023-07-20 | Vitesco Technologies Germany Gmbh | Circuit board assembly, use of a circuit board assembly, and battery |
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| CN201557349U (en) * | 2009-11-27 | 2010-08-18 | 英业达股份有限公司 | Electronic device |
| JP2011030212A (en) * | 2009-07-01 | 2011-02-10 | Sharp Corp | Display device and vibration cutoff device |
| CN102378533A (en) * | 2010-08-26 | 2012-03-14 | 张方荣 | Cushioning mechanism of circuit board |
| CN202228578U (en) * | 2011-09-15 | 2012-05-23 | 北京自动化控制设备研究所 | T-shaped vibration damper |
| JP2012138474A (en) * | 2010-12-27 | 2012-07-19 | Denso Corp | Electronic device attachment structure |
| CN204567525U (en) * | 2015-05-07 | 2015-08-19 | 重庆中力新能源汽车股份有限公司 | The shockproof mounting structure of a kind of electric-vehicle-mounted electrical part |
| CN110972440A (en) * | 2019-12-25 | 2020-04-07 | 浪潮商用机器有限公司 | Circuit board fixing structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070085250A1 (en) * | 2005-10-14 | 2007-04-19 | Cheng-Chung Chang | Shock absorbing member |
| US10319413B2 (en) * | 2017-11-15 | 2019-06-11 | Fivetech Technology Inc. | Vibration-proof fastener post structure |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011030212A (en) * | 2009-07-01 | 2011-02-10 | Sharp Corp | Display device and vibration cutoff device |
| CN201557349U (en) * | 2009-11-27 | 2010-08-18 | 英业达股份有限公司 | Electronic device |
| CN102378533A (en) * | 2010-08-26 | 2012-03-14 | 张方荣 | Cushioning mechanism of circuit board |
| JP2012138474A (en) * | 2010-12-27 | 2012-07-19 | Denso Corp | Electronic device attachment structure |
| CN202228578U (en) * | 2011-09-15 | 2012-05-23 | 北京自动化控制设备研究所 | T-shaped vibration damper |
| CN204567525U (en) * | 2015-05-07 | 2015-08-19 | 重庆中力新能源汽车股份有限公司 | The shockproof mounting structure of a kind of electric-vehicle-mounted electrical part |
| CN110972440A (en) * | 2019-12-25 | 2020-04-07 | 浪潮商用机器有限公司 | Circuit board fixing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111911586A (en) | 2020-11-10 |
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