CN203585179U - Multilayer board assembly damping device - Google Patents
Multilayer board assembly damping device Download PDFInfo
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- CN203585179U CN203585179U CN201320778681.5U CN201320778681U CN203585179U CN 203585179 U CN203585179 U CN 203585179U CN 201320778681 U CN201320778681 U CN 201320778681U CN 203585179 U CN203585179 U CN 203585179U
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- damping
- guard shield
- bolt
- hole
- board assembly
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- 238000013016 damping Methods 0.000 title claims abstract description 154
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 208000033999 Device damage Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a multilayer board assembly damping device, which is characterized by comprising a patch board, four upper damping assemblies and four lower damping assemblies, wherein the patch board is fixed to the upper surface of a fixed support piece of board assemblies; one upper damping assembly is assembled on each of four corners of the patch board; one lower damping assembly is assembled on each of four corners of the lower end of the fixed support piece of the board assemblies; the upper damping assemblies and the lower damping assemblies adopt the structure that damping bolts are sleeved by damping pads, shields and bushings; the damping devices are respectively designed on two ends of the multiple layers of board assemblies, and the board assemblies are fixed on a box body by the damping devices. The damping effect is realized for the board assemblies in the space horizontal direction, the longitudinal direction and the vertical direction by the damping devices, and the problem that when a product is under a poor working condition, sensitive devices on boards are vibrated to produce damage, and the work abnormity appears is effectively avoided.
Description
Technical field
The utility model relates to a kind of multilayer board assembly vibration damping equipment, is particularly useful for vibration-sensitive device at vibration mechanics operating conditions rugged environment.
Background technique
Multilayer board assembly is to be layering by polylith board, and by connector assembly, is electrically connected, is passed through layer by layer layer by layer the assembly of switching screw fastening, such as, for realizing the input output control of electric signal, PC/104 assembly etc.
At present, being fixedly generally directly and being fixed on structural member of multilayer board assembly, and only for one end, fix, do not take vibration reducing measure.In engineering application, multilayer board assembly often damages because work under bad environment causes vibration-sensitive device on board, causes operation irregularity, breaks down.
Summary of the invention
The purpose of this utility model is to provide a kind of multilayer board assembly vibration damping equipment, and this device has been avoided under the severe condition of vibration mechanics environment, and on board, vibration-sensitive device damages the problem that causes operation irregularity.
A kind of multilayer board assembly vibration damping equipment, comprises pinboard, four upper damping assemblies and four lower damping assemblies; Pinboard is installed on the securing supports upper end of board assembly, and four angle points of pinboard are respectively fitted with a upper damping assembly, and four structure angle points of the securing supports lower end of board assembly are respectively fitted with a lower damping assembly;
Described upper damping assembly comprises the first damping bolt, the first guard shield, the first damping pad, the second guard shield, the first lining, the 3rd guard shield, the second damping pad and the 4th guard shield; The first damping bolt inserts the through hole of pinboard corner point processing, between the angle point through hole of the first damping bolt and pinboard, lay the first lining, the part of the first damping bolt more than pinboard angle point through hole overlapped and is placed with the second guard shield, the first damping pad and the first guard shield successively from the bottom up, the first damping bolt, the part below pinboard angle point through hole is overlapped and is placed with the 3rd guard shield, the second damping pad and the 4th guard shield successively from top to bottom;
Described lower damping assembly comprises the second damping bolt, the 5th guard shield, the 3rd damping pad, the 6th guard shield, the second lining, the 7th guard shield, the 4th damping pad and the 8th guard shield; The second damping bolt inserts the through hole of the structure corner point processing of the securing supports lower end of board assembly, between the second damping bolt and strut through-hole wall, cover is placed with the second lining, the part of the second damping bolt more than strut through hole overlapped and is placed with the 6th guard shield, the 3rd damping pad and the 5th guard shield successively from the bottom up, and the part of the second damping bolt below through hole overlapped and be placed with the 7th guard shield, the 4th damping pad and the 8th guard shield successively from top to bottom.
Further, in described the first guard shield, the second guard shield, the 3rd guard shield and the 4th guard shield, be processed with shoulder hole, described the first damping bolt has screw thread near the surface Machining at the 4th guard shield place, screw thread top is divided into polished rod, polished rod diameter is greater than the ladder hole diameter of major diameter of thread and the 4th guard shield, to make the first damping bolt play position-limiting action when fastening.
Further, in described the 5th guard shield, the 6th guard shield, the 7th guard shield and the 8th guard shield, be processed with shoulder hole, described the second damping bolt has screw thread near the surface Machining at the 8th guard shield place, screw thread top is divided into polished rod, polished rod diameter is greater than the ladder hole diameter of major diameter of thread and the 8th guard shield, to make the second damping bolt play position-limiting action when fastening.
Further, described each guard shield all adopts alloyed steel manufacture, and profile is circular; Each damping pad and lining all adopt rubber material.
Further, described the second damping bolt is processed with tapped hole near the end face of the 5th guard shield, together with the second damping bolt is connected firmly with board assembly.
Technique effect of the present utility model is embodied in:
In upper damping assembly, regulate the spacing size of the first damping bolt polished rod part lower end surface and the 4th guard shield internal surface, can control the pre compressed magnitude of the first damping pad and the second damping pad, reach different effectiveness in vibration suppression.In lower damping assembly, regulate the polished rod part lower end surface of two damping bolts and the spacing size of the 8th guard shield interior edge face, can control the pre compressed magnitude of the 3rd damping pad and the 4th damping pad, reach different effectiveness in vibration suppression.Each damping pad and lining coordinate realizes the multilayer board assembly vibration damping horizontal, longitudinal and vertical in space.Application the utility model, has effectively avoided under the severe condition of vibration mechanics environment, and on board, vibration-sensitive device damages the problem that causes operation irregularity.
Accompanying drawing explanation
Fig. 1 is the multilayer board assembly damping device structure schematic diagram that the utility model provides.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is that upper damping assembly locations of structures is related to schematic diagram.
Fig. 4 is that lower damping assembly locations of structures is related to schematic diagram.
In figure, upper dampening assembly 1, the first Shock-proof bolt 101, the first guard shield 102, the first damping pad 103, the second guard shield 104, the first lining 105, the 3rd guard shield 106, the second damping pad 107, the 4th guard shield 108, pinboard 2, board assembly 3, lower dampening assembly 4, the second damping bolt 401, the 5th guard shield 402, the 3rd damping pad 403, the 6th guard shield 404, the second lining 405, the 7th guard shield 406, the 4th damping pad 407, the 8th guard shield 408.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.In addition,, in each mode of execution of described the utility model, involved technical characteristics just can combine mutually as long as do not form each other conflict.
Referring to Fig. 1 and Fig. 2, the utility model comprises pinboard 2, four upper damping assemblies 1 and four lower damping assemblies 4.Pinboard 2 is fixed on the upper surface of board assembly 3, and four angle points of pinboard 2 are respectively fitted with a upper damping assembly 1, on four mounting holes of lower surface of board assembly 3, are respectively equipped with a lower damping assembly 4.
Described upper damping assembly 1 comprises the first damping bolt 101, the first guard shield 102, the first damping pad 103, the second guard shield 104, the first lining 105, the 3rd guard shield 106, the second damping pad 107 and the 4th guard shield 108.The first damping bolt 101 is processed by high strength alloy steel, near termination position, is screw thread, and screw thread top is polished rod, but its diameter is greater than the ladder hole diameter of major diameter of thread and the 4th guard shield 108, makes the first damping bolt 101 play position-limiting action when fastening; Regulate the polished rod part lower end surface of the first damping bolt 101 and the spacing size of the 4th guard shield 108 interior edge faces, can control the pre compressed magnitude of the first damping pad 103 and the second damping pad 107, reach different effectiveness in vibration suppression.The first~four guard shield is by high strength alloy steel making, and profile is circle, and inside is processed with shoulder hole, to realize the constraint to the first damping pad 103 and the second damping pad 107 range of movement; The first damping pad 103, the first lining 105, the second damping pad 107 adopt rubber material manufacture, to realize multilayer board assembly 3 vibration damping horizontal, longitudinal and vertical in space.Each part position relation as shown in Figure 3, the first damping bolt 101 inserts the through hole of pinboard corner point processing, between the angle point through hole of the first damping bolt 101 and pinboard, lay the first lining 105, the part of the first damping bolt 101 more than pinboard angle point through hole from the bottom up successively cover be placed with the second guard shield 104, the first damping pad 103 and the part of the first guard shield 102, the first damping bolts 101 below pinboard angle point through hole from top to bottom successively cover be placed with the 3rd guard shield 106, the second damping pad 107 and the 4th guard shield 108.
Described lower damping assembly 4 comprises the second damping bolt 401, the 5th guard shield 402, the 3rd damping pad 403, the 6th guard shield 404, the second lining 405, the 7th guard shield 406, the 4th damping pad 407 and the 8th guard shield 408.The second damping bolt 401 is processed by high strength alloy steel, near lower end position, it is threaded stem, screw thread top is polished rod, but its diameter is greater than the ladder hole diameter of major diameter of thread and the 8th guard shield 408, makes the second damping bolt 401 play position-limiting action when fastening; Tapped hole has been attacked in the second damping bolt 401 upper-end surfaces, together with it is connected firmly with board assembly 3; Regulate the polished rod part lower end surface of the second damping bolt 401 and the spacing size of the 8th guard shield 408 interior edge faces, can control the pre compressed magnitude of the 3rd damping pad 403 and the 4th damping pad 407, reach different effectiveness in vibration suppression.The 5th guard shield~eight guard shield is by high strength alloy steel making, and profile is circle, and inside is processed with shoulder hole, to realize the constraint to the 3rd damping pad 403 and the 4th damping pad 407 range of movement; The 3rd damping pad 403, the 4th damping pad 407 and the second lining 405 rubber material manufacture, to realize multilayer board assembly 3 vibration damping horizontal, longitudinal and vertical in space.Each part position relation as shown in Figure 4, the second damping bolt 401 inserts the through hole for the structure corner point processing of fixing board card assembly, between the second damping bolt 401 and structure angle point through hole, cover is placed with the second lining 405, the part of the second damping bolt 401 more than structure angle point through hole from the bottom up successively cover be placed with the 6th guard shield 404, the 3rd damping pad 403 and the part of the 5th guard shield 402, the second damping bolts 401 below structure angle point through hole from top to bottom successively cover be placed with the 7th guard shield 406, the 4th damping pad 407 and the 8th guard shield 108.
Because rubber material self has compression, stretches and the characteristic of resilience, can be in space after together with board assembly 3 connects firmly with pinboard 2 laterally, longitudinally and vertically move, realize the object of board assembly 3 vibration dampings.
The utility model is installed vibration damping equipment in multilayer board assembly upper and lower end face, by vibration damping equipment, be fixed on casing.Vibration damping equipment makes board assembly in horizontal, longitudinal and vertical three directions, all can realize vibration damping in space, has effectively avoided product under severe working environment, and on board, vibration-sensitive device damages the shortcoming that causes operation irregularity.The utility model is applied to six layers of PC/104 board assembly, and test shows, the vibration level reduction rate that the application of this vibration damping equipment can make six layers of PC/104 board assembly bear reaches 64.8%.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a multilayer board assembly vibration damping equipment, is characterized in that, comprises the upper damping assembly (1) of pinboard (2), four and four lower damping assemblies (4); Pinboard (2) is installed on the securing supports upper end of board assembly, four angle points of pinboard (2) are respectively fitted with a upper damping assembly (1), and four structure angle points of the securing supports lower end of board assembly (2) are respectively fitted with a lower damping assembly (4);
Described upper damping assembly (1) comprises the first damping bolt (101), the first guard shield (102), the first damping pad (103), the second guard shield (104), the first lining (105), the 3rd guard shield (106), the second damping pad (107) and the 4th guard shield (108); The first damping bolt (101) inserts the through hole of pinboard corner point processing, between the angle point through hole of the first damping bolt (101) and pinboard, lay the first lining (105), the part of the first damping bolt (101) more than pinboard angle point through hole overlapped and is placed with the second guard shield (104), the first damping pad (103) and the first guard shield (102) successively from the bottom up, the first damping bolt (101), the part below pinboard angle point through hole is overlapped and is placed with the 3rd guard shield (106), the second damping pad (107) and the 4th guard shield (108) successively from top to bottom;
Described lower damping assembly (4) comprises the second damping bolt (401), the 5th guard shield (402), the 3rd damping pad (403), the 6th guard shield (404), the second lining (405), the 7th guard shield (406), the 4th damping pad (407) and the 8th guard shield (408); The second damping bolt (401) inserts the through hole of the structure corner point processing of the securing supports lower end of board assembly, between the second damping bolt (401) and strut through-hole wall, cover is placed with the second lining (405), the part of the second damping bolt (401) more than strut through hole overlapped and is placed with the 6th guard shield (404), the 3rd damping pad (403) and the 5th guard shield (402) successively from the bottom up, and the part of the second damping bolt (401) below through hole overlapped and be placed with the 7th guard shield (406), the 4th damping pad (407) and the 8th guard shield (408) successively from top to bottom.
2. multilayer board assembly vibration damping equipment as claimed in claim 1, it is characterized in that, in described the first guard shield (102), the second guard shield (104), the 3rd guard shield (106) and the 4th guard shield (108), be processed with shoulder hole, the surface Machining that described the first damping bolt (101) is located near the 4th guard shield (108) has screw thread, screw thread top is divided into polished rod, polished rod diameter is greater than the ladder hole diameter of major diameter of thread and the 4th guard shield (108), plays position-limiting action when making the first damping bolt (101) fastening.
3. multilayer board assembly vibration damping equipment as claimed in claim 1 or 2, it is characterized in that, in described the 5th guard shield (402), the 6th guard shield (404), the 7th guard shield (406) and the 8th guard shield (408), be processed with shoulder hole, the surface Machining that described the second damping bolt (401) is located near the 8th guard shield (408) has screw thread, screw thread top is divided into polished rod, polished rod diameter is greater than the ladder hole diameter of major diameter of thread and the 8th guard shield (408), plays position-limiting action when making the second damping bolt (401) fastening.
4. multilayer board assembly vibration damping equipment as claimed in claim 1 or 2, is characterized in that, described each guard shield all adopts alloyed steel manufacture, and profile is circular; Each damping pad and lining all adopt rubber material.
5. multilayer board assembly vibration damping equipment as claimed in claim 1 or 2, it is characterized in that, described the second damping bolt (401) is processed with tapped hole near the end face of the 5th guard shield (402), together with the second damping bolt (401) is connected firmly with board assembly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320778681.5U CN203585179U (en) | 2013-11-30 | 2013-11-30 | Multilayer board assembly damping device |
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CN201320778681.5U CN203585179U (en) | 2013-11-30 | 2013-11-30 | Multilayer board assembly damping device |
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CN203585179U true CN203585179U (en) | 2014-05-07 |
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CN201320778681.5U Expired - Lifetime CN203585179U (en) | 2013-11-30 | 2013-11-30 | Multilayer board assembly damping device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110360259A (en) * | 2019-07-16 | 2019-10-22 | 西安微电子技术研究所 | A kind of vibration reduction and cushioning structure and missile equipment applied to Sensitive Apparatus |
-
2013
- 2013-11-30 CN CN201320778681.5U patent/CN203585179U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110360259A (en) * | 2019-07-16 | 2019-10-22 | 西安微电子技术研究所 | A kind of vibration reduction and cushioning structure and missile equipment applied to Sensitive Apparatus |
CN110360259B (en) * | 2019-07-16 | 2021-04-27 | 西安微电子技术研究所 | Vibration reduction buffer structure applied to sensitive device and missile-borne equipment |
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GR01 | Patent grant | ||
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CX01 | Expiry of patent term |
Granted publication date: 20140507 |