CN210008080U - vehicle-mounted circuit board with good damping performance - Google Patents
vehicle-mounted circuit board with good damping performance Download PDFInfo
- Publication number
- CN210008080U CN210008080U CN201920716555.4U CN201920716555U CN210008080U CN 210008080 U CN210008080 U CN 210008080U CN 201920716555 U CN201920716555 U CN 201920716555U CN 210008080 U CN210008080 U CN 210008080U
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- CN
- China
- Prior art keywords
- circuit board
- shock absorption
- cavity
- elastic
- board support
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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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- 238000013016 damping Methods 0.000 title description 21
- 230000035939 shock Effects 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 239000011435 rock Substances 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 an vehicle-mounted circuit board that shock attenuation performance is good, including shock attenuation protection box, case lid, elastic sleeve, clamp plate, circuit board support, circuit board body, shock attenuation protection box wholly is square structure, and inside cavity is provided with the shock attenuation chamber, shock attenuation protection box upper portion opening, case lid are fixed at shock attenuation protection box opening part, circuit board support sets up in the shock attenuation chamber, circuit board support wholly is square, and the top opening is provided with the cavity, and circuit board body sets up in the cavity, circuit board support lower part is fixed in shock attenuation chamber bottom through spring, guide arm, and the circuit board top is provided with the mounting panel, and mounting panel and circuit board support reciprocal anchorage, the clamp plate sets up in the mounting panel top, and the clamp plate is connected through elastic sleeve with the case lid, the utility model discloses a set up the support to the circuit board, wholly carry out the shock attenuation to the support, set up the elastic device.
Description
Technical Field
The utility model relates to a circuit board installation technical field specifically is kind of vehicle-mounted circuit boards that shock attenuation performance is good.
Background
The circuit board is a provider for electrical connection of electronic components, and the development of the circuit board has been over 100 years; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate.
The circuit board is also arranged on the automobile and used for controlling the automobile to work, and due to the fact that the circuit board is prone to being installed and shaken due to shaking caused by operation of the automobile, poor contact is generated, and normal operation of the automobile is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an kind on-vehicle circuit board that shock attenuation performance is good to solve the problem that proposes in the above-mentioned background art.
In order to achieve the purpose, the utility model provides an vehicle-mounted circuit boards with good damping performance comprises a damping protection box, a box cover, an elastic sleeve, a pressing plate, a circuit board support and a circuit board body, wherein the damping protection box is of a square structure and is hollow inside and provided with a damping cavity, the box cover is fixed at the opening of the damping protection box, the circuit board support is arranged in the damping cavity, the circuit board support is square and provided with a cavity, the circuit board body is arranged in the cavity, the lower part of the circuit board support is fixed at the bottom of the damping cavity through a guide rod and a spring, a mounting plate is arranged above the circuit board body and fixed with the circuit board support, the pressing plate is arranged above the mounting plate, and the pressing plate is connected with the box cover through the elastic sleeve.
Preferably, the elastic sleeve is hollow and provided with an elastic cavity, a fixing plate is arranged in the middle of the elastic cavity, the box cover and the pressing plate are respectively provided with an th connecting rod and a second connecting rod, two ends of the elastic sleeve are respectively provided with a through groove, the th connecting rod and the second connecting rod respectively penetrate through the through grooves in the two ends of the elastic sleeve, the th connecting rod and the second connecting rod are respectively provided with a th elastic block and a second elastic block, the th elastic block and the second elastic block are respectively connected with the fixing plate through second springs, and the th elastic block and the second elastic block are mutually clamped with the through grooves.
Preferably, the mounting plate is integrally of a square structure, and hemispherical fixing balls are arranged at four corners of the lower side of the square structure; fixed blocks are arranged on four edges of the upper side of the mounting plate and are mutually fixed with the cavity wall of the inner cavity of the circuit board support.
Preferably, four guide rods are arranged and are respectively arranged at four corners of the circuit board bracket; a movable groove is arranged in the circuit board bracket, a through hole is arranged at the lower side of the movable groove, and a guide rod penetrates through the through hole and is mutually attached to the through hole; and a limiting block is arranged at the top end of the guide rod and is mutually clamped and fixed with the through hole.
Preferably, the side surface of the shock absorption protection box is provided with air outlet holes and air inlet holes in rows, and the air outlet holes and the air inlet holes are uniformly arranged along the side surface of the shock absorption protection box; a fan component is arranged in the air outlet hole, and a filter screen is arranged in the air inlet hole; the air outlet is arranged on the upper side of the air inlet.
Preferably, a base plate is arranged between the circuit board body and the circuit board support, and the base plate is a heat-conducting plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the support for the fixed line board all sets up corresponding elastic buffer to upside, the downside of support, carries out the shock attenuation, can avoid the vibrations of circuit board effectively, thereby guaranteed the stable installation of circuit board, and then avoid the circuit board to rock the bad contact condition of bringing, thereby lead to the condition of vehicle operation malfunction.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the elastic sleeve of the present invention;
FIG. 3 is a schematic view of the circuit board support structure of the present invention;
FIG. 4 is a schematic view of the guide bar structure of the present invention;
the number of the drawing is 1, a damping protection box, 11, a damping cavity, 12, a guide rod, 121, a limiting block, 13, th springs, 14, air outlet holes, 141, a fan assembly, 15, air inlet holes, 151, a filter screen, 2, a box cover, 21, th connecting rods, 22, th elastic blocks, 3, elastic sleeves, 31, elastic cavities, 32, a fixing plate, 33, second springs, 34, a through groove, 4, a pressing plate, 41, second connecting rods, 42, second elastic blocks, 5, a circuit board bracket, 51, an installation plate, 52, a fixing ball, 53, a fixing block, 54, a movable groove, 55, a through hole, 56, a cushion plate and 6, and a circuit board body.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are intended to be , and for example, may be a fixed connection, a detachable connection, or a body connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, and a communication between two elements.
Referring to fig. 1-4, the utility model provides technical solutions, which are characterized in that vehicle-mounted circuit boards with good damping performance comprise a damping protection box 1, a box cover 2, an elastic sleeve 3, a pressing plate 4, a circuit board support 5 and a circuit board body 6, wherein the damping protection box 1 is integrally of a square structure, is hollow and is provided with a damping cavity 11, the box cover 2 is fixed at the opening of the damping protection box 1 through an opening at the upper part of the damping protection box 1, the circuit board support 5 is arranged in the damping cavity 11, the circuit board support 5 is integrally of a square shape and is provided with a cavity at the upper part, the circuit board body 6 is arranged in the cavity, the lower part of the circuit board support 5 is fixed at the bottom of the damping cavity 11 through a guide rod 12 and a spring 13, an installation plate 51 is arranged above the circuit board body 6, the installation plate 51 and the circuit board support 5 are fixed with each other, the pressing.
, the elastic sleeve 3 is hollow and provided with an elastic cavity 31, a fixing plate 32 is arranged in the middle of the elastic cavity 31, the box cover 2 and the pressing plate 4 are respectively provided with a connecting rod 21 and a second connecting rod 41, both ends of the elastic sleeve 3 are respectively provided with a through groove 34, the connecting rod 21 and the second connecting rod 41 respectively penetrate through the through grooves 34 at both ends of the elastic sleeve 3, the connecting rod 21 and the second connecting rod 41 are respectively provided with a elastic block 22 and a second elastic block 42, the elastic block 22 and the second elastic block 42 are respectively connected with the fixing plate 32 through a second spring 33, and the elastic block 22 and the second elastic block 42 are mutually clamped with the through grooves 34.
, the mounting plate 51 is of a square structure, hemispherical fixing balls 52 are arranged at four corners of the lower side of the square, fixing blocks 53 are arranged at four edges of the upper side of the mounting plate 51, and the fixing blocks 53 are fixed with the inner cavity wall of the circuit board support 5.
, four guide rods 12 are arranged and are respectively arranged at four corners of the circuit board support 5, a movable groove 54 is arranged inside the circuit board support 5, a through hole 55 is arranged at the lower side of the movable groove 54, the guide rods 12 penetrate through the through hole 55 and are mutually attached to the through hole 55, and a limiting block 121 is arranged at the top end of the guide rods 12, and the limiting block 121 and the through hole 55 are mutually clamped.
, air outlet holes 14 and air inlet holes 15 are arranged in rows on the side surface of the shock absorption protection box 1, the air outlet holes 14 and the air inlet holes 15 are uniformly arranged along the side surface of the shock absorption protection box 1, a fan assembly 141 is arranged in the air outlet holes 14, a filter screen 151 is arranged in the air inlet holes 15, and the air outlet holes 14 are arranged on the upper sides of the air inlet holes 15.
, a pad 56 is arranged between the circuit board body 6 and the circuit board support 5, and the pad 56 is a heat conducting plate.
The working principle of the shock-absorbing and vibration-damping device comprises the steps that an installed circuit board body 6 is fixed in an inner groove of a circuit board support 5 and arranged on a backing plate 56, fixing balls 52 of an installation plate 51 abut against the circuit board body 6, fixing blocks 53 and the cavity wall of an inner cavity of the circuit board support 5 are mutually fixed, the circuit board body 6 is discharged along a gap between the circuit board body and the circuit board support 5, a box cover 2 is fixed on a shock-absorbing protection box 1, a pressing plate 4 is arranged on the installation block 51, the pressing plate 4 is connected with the box cover 2 through an elastic sleeve 3, during operation, shock of a vehicle is transmitted into the shock-absorbing protection box 1 and transmitted onto the circuit board support 5 to drive the support to shake up and down, and under the combined action of a -th spring 13 on the lower side and a second spring 33 in the elastic sleeve 3 on the upper side.
The support is installed in the damping cavity 11 through the guide rod 12, the guide rod 12 is provided with a limiting block 121, the support is installed in the movable groove 54 through the limiting block 121, and the guide rod 12 is attached to the through hole 55, so that the support can move vertically.
An air outlet hole 14 and an air inlet hole 15 are formed in the box body of the shock absorption protection box 1, a fan assembly is arranged in the air outlet hole 14, hot air generated due to high temperature generated by the operation of the circuit board in the cavity is extracted, external cold air enters from the air inlet hole 15, and meanwhile, a filter screen 151 is arranged to filter and remove impurities, so that the phenomenon that the internal cavity is polluted and the circuit board works is influenced is avoided; meanwhile, the air outlet hole 14 is arranged on the upper side of the air inlet hole 15, so that hot air is easy to rise, and the hot air is convenient to discharge and suck cold air.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
- The vehicle-mounted circuit board with good shock absorption performance is characterized by comprising a shock absorption protection box (1), a box cover (2), an elastic sleeve (3), a pressing plate (4), a circuit board support (5) and a circuit board body (6), wherein the shock absorption protection box (1) is integrally of a square structure, is hollow and is provided with a shock absorption cavity (11), the upper portion of the shock absorption protection box (1) is opened, the box cover (2) is fixed at the opening of the shock absorption protection box (1), the circuit board support (5) is arranged in the shock absorption cavity (11), the circuit board support (5) is integrally square and is provided with an upper opening, a cavity is formed in the upper portion of the circuit board support, the circuit board body (6) is arranged in the cavity, the lower portion of the circuit board support (5) is fixed at the bottom of the shock absorption cavity (11) through a guide rod (12) and a spring (13), an installation plate (51) is arranged above the circuit board body (6), the installation plate (51) and is mutually fixed with the circuit board support (5), the pressing plate (4) is.
- 2. The vehicle-mounted circuit board with good shock absorption performance according to claim 1, wherein the elastic sleeve (3) is hollow and provided with an elastic cavity (31), a fixing plate (32) is arranged in the middle of the elastic cavity (31), the box cover (2) and the pressing plate (4) are respectively provided with a connecting rod (21) and a second connecting rod (41), two ends of the elastic sleeve (3) are respectively provided with a through groove (34), the connecting rod (21) and the second connecting rod (41) respectively penetrate through the through grooves (34) in the two ends of the elastic sleeve (3), the connecting rod (21) and the second connecting rod (41) are respectively provided with a elastic block (22) and a second elastic block (42), the elastic block (22), the second elastic block (42) and the fixing plate (32) are respectively connected through a second spring (33), and the elastic block (22), the second elastic block (42) and the through grooves (34) are mutually clamped.
- 3. The vehicle-mounted circuit board with good shock absorption performance according to claim 1, wherein the mounting plate (51) is of a square structure as a whole, hemispherical fixing balls (52) are arranged at four corners of the lower side of the square structure, fixing blocks (53) are arranged at four edges of the upper side of the mounting plate (51), and the fixing blocks (53) are fixed with the inner cavity wall of the circuit board support (5).
- 4. The vehicle-mounted circuit board with good shock absorption performance according to claim 1, wherein four guide rods (12) are arranged at four corners of the circuit board support (5), a movable groove (54) is arranged inside the circuit board support (5), a through hole (55) is formed in the lower side of the movable groove (54), the guide rods (12) penetrate through the through holes (55) and are attached to the through holes (55), a limiting block (121) is arranged at the top end of each guide rod (12), and the limiting block (121) and the through holes (55) are clamped with each other.
- 5. The vehicle-mounted circuit board with good shock absorption performance according to claim 1, wherein air outlet holes (14) and air inlet holes (15) are arranged in rows on the side surface of the shock absorption protection box (1), the air outlet holes (14) and the air inlet holes (15) are uniformly arranged along the side surface of the shock absorption protection box (1), a fan assembly (141) is arranged in the air outlet holes (14), a filter screen (151) is arranged in the air inlet holes (15), and the air outlet holes (14) are arranged on the upper side of the air inlet holes (15).
- 6. The vehicle-mounted circuit board with good shock absorption performance according to claim 1, wherein a backing plate (56) is arranged between the circuit board body (6) and the circuit board bracket (5), and the backing plate (56) is a heat-conducting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716555.4U CN210008080U (en) | 2019-05-17 | 2019-05-17 | vehicle-mounted circuit board with good damping performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716555.4U CN210008080U (en) | 2019-05-17 | 2019-05-17 | vehicle-mounted circuit board with good damping performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210008080U true CN210008080U (en) | 2020-01-31 |
Family
ID=69307151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920716555.4U Expired - Fee Related CN210008080U (en) | 2019-05-17 | 2019-05-17 | vehicle-mounted circuit board with good damping performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210008080U (en) |
-
2019
- 2019-05-17 CN CN201920716555.4U patent/CN210008080U/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: 20200131 |