CN210800478U - Vibration isolation and impact resistance device for small electronic equipment - Google Patents
Vibration isolation and impact resistance device for small electronic equipment Download PDFInfo
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- CN210800478U CN210800478U CN201920820518.8U CN201920820518U CN210800478U CN 210800478 U CN210800478 U CN 210800478U CN 201920820518 U CN201920820518 U CN 201920820518U CN 210800478 U CN210800478 U CN 210800478U
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Abstract
The utility model discloses a small-size electronic equipment vibration isolation is anti towards device, its characterized in that: the electronic equipment is fixed on the upper base plate through the pressing strips, and the upper ends and the lower ends of the four corners of the upper base plate are connected with the lower base plate through the rubber vibration isolators respectively. The utility model discloses can be applied to vibration isolation and anti dashing of small-size electronic equipment under the adverse circumstances of vibration environment, simple structure, the installation is dismantled conveniently, can be better for electronic equipment provides the vibration isolation, possesses better anti level of dashing simultaneously, ensures electronic equipment reliable work under adverse circumstances of vibration.
Description
Technical Field
The utility model relates to a damping is fallen and is fallen anti dashing technical field that makes an uproar, especially relates to a small-size electronic equipment vibration isolation is anti towards device.
Background
In order to reduce the transmission of the vibration of the equipment to the foundation structure, the current common measure is to adopt vibration isolation measures for the vibration source equipment, and the vibration source equipment is isolated from the foundation by adopting a single layer, a double layer or a floating raft and the like, so that the transmission of the vibration source equipment to the foundation is reduced.
For a large equipment system with a high vibration source, due to strong vibration of the large equipment system, the vibration is directly transmitted to electronic equipment such as precision equipment, instruments and electronic devices installed on the equipment system, so that the electronic equipment and the like are in failure, damage and the like, although an electronic module is small, the damage of the electronic module can also cause the failure of the equipment system, and the reliability of the equipment system is influenced. Therefore, it is necessary to perform vibration isolation treatment on electronic equipment such as precision equipment, instruments, and electronic devices mounted on high-vibration-source equipment, so as to reduce the direct transmission of the vibration of the high-vibration-source equipment to the electronic equipment such as precision equipment, instruments, and electronic devices.
The existing marine vibration isolation devices are all large in size aiming at vibration source equipment, and the size of the vibration isolation devices is generally larger than that of the equipment. The electronic equipment installed in the high vibration source equipment is generally small in size, and if the length, width and height of certain electronic equipment are 15cm × 8cm × 4cm, the design scheme of the typical vibration isolation device for the ship is not suitable for the small equipment. The effect of vibration isolation of the vibration isolation device is related to the total weight of the vibration isolation device and equipment, the natural frequency of the vibration isolator and the like, and the larger the weight is, the lower the natural frequency of the vibration isolator is, and the better the vibration isolation effect of the vibration isolation device is. The smaller the equipment is, the smaller the weight is, the greater the difficulty of the vibration isolation device in achieving the vibration isolation effect is, the mass of the small-sized electronic equipment such as precision equipment, instruments and electronic devices which are installed in a large-scale equipment system is generally very light, and the difficulty of the vibration isolation design of the small-sized electronic equipment is very high.
In order to solve the above problems, a vibration isolation and impact resistance device for small electronic equipment needs to be designed and developed, the vibration isolation device has small size and weight, is convenient to install and detach, can achieve the required vibration isolation effect, can better provide vibration isolation for the electronic equipment, has a better impact resistance level, and can be widely applied to vibration isolation and impact resistance of the small electronic equipment in a severe vibration environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the not enough of existence to above-mentioned prior art provides a simple structure, effectual small-size electronic equipment vibration isolation anti-impact device of vibration isolation.
The utility model discloses the technical scheme who adopts does: the utility model provides a small-size electronic equipment vibration isolation is anti towards device which characterized in that: the electronic equipment is fixed on the upper base plate through the pressing strips, and the upper ends and the lower ends of the four corners of the upper base plate are connected with the lower base plate through the rubber vibration isolators respectively.
According to the technical scheme, the lower bottom plate comprises a bottom part, an abdomen part and an upper bending part, the abdomen part is connected to the two ends of the bottom part respectively, the abdomen part is connected with the upper bending part to form an inverted L-shaped shape, the two bending parts are oppositely arranged and are arranged in parallel with the bottom part, and the two end parts of the upper bottom plate are embedded in concave cavities formed by the bottom part, the abdomen part and the upper bending part respectively.
According to the technical scheme, the middle of the bottom is provided with a hollow part.
According to the technical scheme, the areas where the abdomen is connected with the upper bending part and the bottom are in transition connection by adopting a triangular structure.
According to the technical scheme, the four corners of the outer side of the bottom are respectively provided with the connecting parts for connecting with the foundation through the fastening pieces.
According to the technical scheme, the upper base plate is of a convex structure, the convex part of the upper base plate is used for mounting electronic equipment, and the upper ends and the lower ends of the four corners of the concave parts at the two ends of the upper base plate are symmetrically provided with the stepped holes for mounting the rubber vibration isolator.
According to the technical scheme, the protruding part of the upper base plate is provided with the fastener connecting hole, the electronic equipment is pressed tightly through the pressing strip, and the pressing strip is connected with the upper base plate through the fastener in a fastening mode.
According to the technical scheme, the pressing strips are at least two pressing strips, the pressing strips are of a structure in a shape like a Chinese character 'ji', and two sides of the pressing strips are fastened on the upper base plate through fastening pieces.
According to the technical scheme, the rubber vibration isolator is of a stepped columnar structure, a connecting hole is formed in the center of the rubber vibration isolator, and the rubber vibration isolator is configured with the stepped hole of the upper bottom plate.
The utility model discloses the beneficial effect who gains does:
1. the utility model discloses put the vibration transmission of essential for eliminating the installation basis to small-size equipment such as electronic equipment, through the displacement of quality system in the middle of the upper and lower floor's rubber isolator restriction on four angles of lower plate, prevent the big displacement of appearance of quality system in the middle of under the impact load effect. The vibration isolation and impact resistance of the small electronic equipment in the severe vibration environment can be applied to the vibration isolation and impact resistance of the small electronic equipment, the structure is simple, the installation and the disassembly are convenient, the vibration isolation can be better provided for the electronic equipment, meanwhile, the vibration isolation device has a better impact resistance level, and the reliable work of the electronic equipment in the severe vibration environment is guaranteed. In addition, the adaptability of the device is strong, aiming at small modules or equipment with different sizes, the small modules or equipment can be mounted only by making adaptive size design on all parts, the rigidity of the vibration isolator and the weight of the upper bottom plate are adjusted according to the weight of the known equipment, the required vibration isolation effect can be met, and the adaptability is strong.
2. The utility model discloses in, to the design of the concrete structure of lower plate, make the lower plate have basic connection, support basis and shock resistance spacing function etc, the both ends of upper plate inlay respectively and establish in bottom, belly, the concave type intracavity that the last kink constitutes, under the impact, go up the effect that the kink acted as the stopper, guarantee that upper plate and equipment can not break away from the vibration isolation device under the impact load effect.
3. The upper base plate is of a convex structure and is an integral machined part, the main function of the upper base plate is to support the main components of the vibration isolation equipment and the weight of the middle mass system, the upper base plate is used as the middle mass of the vibration isolation system, the thickness or the size of the upper base plate can be adjusted to change the weight, and therefore the weight of the middle mass and the vibration isolation frequency band and effect are adjusted.
Drawings
Fig. 1 is a main sectional view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic structural view of the middle and lower base of the present invention.
Fig. 4 is a schematic structural view of the upper base of the present invention.
Fig. 5 is a schematic structural view of the middle pressing bar of the present invention.
Fig. 6 is a schematic structural diagram of the middle rubber vibration isolator of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the embodiment provides a vibration isolation and impact resistance device for a small electronic device, which includes an upper base plate 2, a lower base plate 1, an electronic device, a rubber vibration isolator 4 and a pressing bar 3, wherein the electronic device is fixed on the upper base plate 2 through the pressing bar 3 and a pressing bar bolt 6, and the upper end and the lower end of four corners of the upper base plate 2 are connected with the lower base plate 1 through the rubber vibration isolator 4 and a lower base plate bolt 5 respectively. Wherein, except the vibration isolator 4, other materials can be selected from metal materials, and the vibration isolator is selected from rubber materials. The device mainly has the function that the vibration of the vibration isolation mounting base is transmitted to small-sized equipment such as electronic equipment, and the device is a single-layer vibration isolation device; the lower base plate bolt 5 and the lower base plate limit the displacement of the middle mass system (the upper base plate and the electronic module) and prevent the middle mass system from generating large displacement under the action of impact load
In this embodiment, the lower plate 1 mainly functions as: the foundation is connected, the foundation is supported and the impact resistance is limited. As shown in the figure, lower plate 1 includes bottom, belly, goes up the kink, be equipped with connecting portion respectively on four angles in the outside of bottom for be connected with the basis through the bolt. The two ends of the bottom are respectively connected with the abdomen, the abdomen is connected with the upper bending part to form an inverted L shape, the two bending parts are oppositely arranged and are arranged in parallel with the bottom, and the two ends of the upper bottom plate are respectively embedded in a concave cavity formed by the bottom, the abdomen and the upper bending part. Be equipped with the bolt hole to wearing at last kink and bottom, the kink is as the support of bolt 5, and simultaneously under the impact, the kink acts as the effect of stopper, guarantees that upper plate 2 and equipment can not break away from the vibration isolation mounting under the impact load effect.
In this embodiment, because the bottom is as bearing structure, guarantee under the prerequisite of assurance intensity, can alleviate the weight of lower plate, set up hollow out construction weight reduction to bottom and belly part region. In order to ensure the strength of the bending area, triangular transition is adopted in the 90-degree folding angle area, so that the strength and rigidity of the connecting part are improved, namely the areas where the belly is connected with the upper bending part and the bottom are in triangular structure transition connection.
The upper bottom plate is in a convex structure and is an integral workpiece, and the main function of the upper bottom plate is to support the weight of the vibration isolation equipment and the middle mass system. The protruding part of the upper bottom plate is used for mounting electronic equipment, the area of the protruding part is larger than the size of the electronic equipment, and stepped holes are symmetrically formed in the upper end and the lower end of four corners of the lower concave parts at two ends of the upper bottom plate and used for mounting the rubber vibration isolator. The upper base plate is simultaneously used as the middle mass of the vibration isolation system, and the thickness or the size of the upper base plate can be adjusted to change the weight, so that the weight of the middle mass is adjusted, and the vibration isolation frequency band and the vibration isolation effect are adjusted.
The electronic equipment is characterized in that a bolt connecting hole is formed in the protruding portion of the upper base plate, the electronic equipment is tightly pressed through the pressing strips 3, the pressing strips 3 are at least two pressing strips, the pressing strips are of a structure shaped like a Chinese character 'ji', and two sides of the pressing strips are fixedly connected with the upper base plate 2 through pressing strip bolts 6.
The rubber vibration isolator 4 totally uses 8, and 2 each 4 on upper and lower layer, rubber vibration isolator 4 is the ladder column structure, has seted up the connecting hole at its center, the rubber vibration isolator 4 disposes with the ladder hole of upper plate 2. The center of the vibration isolator is provided with a connecting hole which is mainly used for supporting the vibration isolation intermediate mass system, the vibration isolator and the shock-resistant buffer. The vibration isolator supports the vibration isolation intermediate mass system, and ensures that the intermediate mass system cannot be in hard contact with the lower panel of the lower bottom plate; the rubber vibration isolator 4 is used as a vibration isolator for isolating the transmission of the vibration of the lower bottom plate; the upper and lower 2 layers of vibration isolators buffer impact load through deformation under the action of the impact load, and meanwhile, hard contact between the middle mass system and the lower bottom plate is avoided.
The lower base plate bolt 5 is connected with the upper and lower panels of the lower base plate, each bolt 5 is connected with 2 rubber vibration isolators (penetrating through the central circular through hole) in series, and the main function of the bolt is radial limiting of the rubber vibration isolators 4. 2 rubber vibration isolators (symmetrically arranged) are arranged on the screw of each lower bottom plate bolt; the stepped grooves among the 2 rubber vibration isolators clamp the upper bottom plate, and the upper bottom plate is supported by the rubber vibration isolators; rubber isolator's draw-in groove steady state load effect down rubber isolator is used as the vibration isolation, receives the shock response of shock absorber through compression deformation buffering upper plate when assaulting load, because the existence upper plate of isolator can not direct and lower plate rigid contact, the shock response of reduction electronic equipment that can be better, and the upper panel of lower plate can restrict the motion of upper plate as the stopper simultaneously, reduces the displacement of upper plate.
The utility model discloses the device can be installed under any gesture, and dress, flip-chip, dress etc. all can to one side.
The vibration isolation and impact resistance of the small electronic equipment in the severe vibration environment can be applied to the vibration isolation and impact resistance of the small electronic equipment, the structure is simple, the installation and the disassembly are convenient, the vibration isolation can be better provided for the electronic equipment, meanwhile, the vibration isolation device has a better impact resistance level, and the reliable work of the electronic equipment in the severe vibration environment is guaranteed. Through calculation, under the action of 1130m/s2 impact load, the maximum stress of the vibration isolation device is 153MPa, the deformation of the vibration isolation device is 0.01mm, the requirement of material yield strength is met, and the deformation does not influence the use of equipment. The vibration isolation effect of the vibration isolation device under the action of the exciting load can reach 10dB (frequency range: 10-2 kHz).
Claims (9)
1. The utility model provides a small-size electronic equipment vibration isolation is anti towards device which characterized in that: the electronic equipment is fixed on the upper base plate through the pressing strips, and the upper ends and the lower ends of the four corners of the upper base plate are connected with the lower base plate through the rubber vibration isolators respectively.
2. The vibration isolation and impact resistance device for small electronic equipment according to claim 1, wherein: the lower bottom plate comprises a bottom, an abdomen and an upper bending part, the abdomen is connected to two ends of the bottom respectively, the abdomen is connected with the upper bending part to form an inverted L-shaped shape, the two bending parts are oppositely arranged and arranged in parallel with the bottom, and two ends of the upper bottom plate are embedded in concave cavities formed by the bottom, the abdomen and the upper bending part respectively.
3. The vibration isolation and impact resistance device for small electronic equipment according to claim 2, wherein: the bottom and the abdomen part area are provided with hollow structures.
4. The vibration isolation and impact resistance device for small electronic equipment according to claim 2, wherein: the area where the abdomen is connected with the upper bending part and the bottom is in transition connection by adopting a triangular structure.
5. The vibration isolation and impact resistance device for small electronic equipment according to claim 2, wherein: and four corners at the outer side of the bottom are respectively provided with a connecting part for connecting with the foundation through fasteners.
6. The vibration isolation and impact resistance device for small electronic equipment according to claim 2, wherein: the upper base plate is of a convex structure, the convex part of the upper base plate is used for mounting electronic equipment, and the upper ends and the lower ends of the four corners of the concave parts at the two ends of the upper base plate are symmetrically provided with stepped holes for mounting the rubber vibration isolator.
7. The vibration isolation and impact resistance device for small electronic equipment according to claim 6, wherein: the electronic equipment is tightly pressed through a pressing strip, and the pressing strip is tightly connected with the upper base plate through the fastener.
8. The vibration isolation and impact resistance device for small electronic equipment according to claim 6, wherein: the pressing strips are at least two pressing strips, each pressing strip is of a structure in a shape like a Chinese character 'ji', and two sides of each pressing strip are fastened on the upper base plate through fastening pieces.
9. The vibration isolation and impact resistance device for small electronic equipment according to claim 6, wherein: the rubber vibration isolator is of a stepped columnar structure, a connecting hole is formed in the center of the rubber vibration isolator, and the rubber vibration isolator is configured with the stepped hole of the upper bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920820518.8U CN210800478U (en) | 2019-06-03 | 2019-06-03 | Vibration isolation and impact resistance device for small electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920820518.8U CN210800478U (en) | 2019-06-03 | 2019-06-03 | Vibration isolation and impact resistance device for small electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210800478U true CN210800478U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920820518.8U Active CN210800478U (en) | 2019-06-03 | 2019-06-03 | Vibration isolation and impact resistance device for small electronic equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606286A (en) * | 2021-08-19 | 2021-11-05 | 珠海格力电器股份有限公司 | Vibration reduction limiting device and mechanical equipment with same |
| CN113685481A (en) * | 2021-06-18 | 2021-11-23 | 中国舰船研究设计中心 | Special-shaped broadband vibration isolation device, mounting method and vibration isolator replacing method |
-
2019
- 2019-06-03 CN CN201920820518.8U patent/CN210800478U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685481A (en) * | 2021-06-18 | 2021-11-23 | 中国舰船研究设计中心 | Special-shaped broadband vibration isolation device, mounting method and vibration isolator replacing method |
| CN113606286A (en) * | 2021-08-19 | 2021-11-05 | 珠海格力电器股份有限公司 | Vibration reduction limiting device and mechanical equipment with same |
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