CN107642537A - A kind of communication line mainboard subrack anti-drop device - Google Patents
A kind of communication line mainboard subrack anti-drop device Download PDFInfo
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- CN107642537A CN107642537A CN201710783630.4A CN201710783630A CN107642537A CN 107642537 A CN107642537 A CN 107642537A CN 201710783630 A CN201710783630 A CN 201710783630A CN 107642537 A CN107642537 A CN 107642537A
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- China
- Prior art keywords
- bolt
- subrack
- hole
- communication line
- drop device
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Abstract
The invention discloses a kind of communication line mainboard subrack anti-drop device, including subrack body, bolt, the subrack body is square structure, subrack body rear end face both sides are provided with bolt hole, the bolt passing through bolt hole, bolt is non-metal elastic bolt, bolt includes bolt head and screw rod, spring shim is provided between bolt head and the subrack body, subdivision groove is provided with below the screw rod, blind hole is provided with the middle part of subdivision groove, blind hole inwall is provided with internal thread, jam nut is provided with blind hole, inclined through hole is provided with the middle part of screw rod, anaerobic adhesive is provided with the through hole, the present invention uses spring shim, anaerobic adhesive, dehisce triple loosing Prevention Technologies bottom, effectively it can prevent subrack from loosening, improve the stability of work.
Description
Technical field
The invention belongs to rack accessory technical field, and in particular to a kind of communication line mainboard subrack anti-drop device.
Background technology
With the fast development of internet and 3G/4G business, market is more next to the scheduling capacity demand for transmitting switching equipment
It is bigger,
Rack is increasingly becoming common communication equipment, and in currently available technology, rack provides space to power supply, motherboard, various
The storage devices such as expansion board clamping, floppy disk, CD drive, hard disk drive, subrack, and the branch for passing through cabinet inside
These spare and accessory parts are fixedly secured intensive in interior of equipment cabinet, formation one by the connectors such as support, support, various screws or clamp clip
The entirety of type, wherein subrack are designed using card moduleization, and mainboard subrack is mainly installed in rack, and the application of subrack is very wide
General, current subrack is typically made up of the connection of multiple accessories, and slot also additionally needs multiple accessory compositions and then the again company of installation
It is connected on subrack, accessory is various, there is constant weight, and a regular plug mainboard, and bolt is easily loose during assembling, influences to set when serious
Standby normal operation.
The content of the invention
To solve the above problems, the invention discloses a kind of communication line mainboard subrack anti-drop device, can effectively prevent
Subrack loosens, and improves the stability of work.
To reach above-mentioned purpose, technical scheme is as follows：
A kind of communication line mainboard subrack anti-drop device, it is characterised in that：Including subrack body, bolt, the subrack body is
Square structure, subrack body rear end face both sides are provided with bolt hole, the bolt passing through bolt hole, and bolt is non-metal elastic spiral shell
Bolt, bolt include bolt head and screw rod, and spring shim is provided between bolt head and the subrack body, is provided with below the screw rod
Subdivision groove, subdivision groove middle part are provided with blind hole, and blind hole inwall is provided with internal thread, and jam nut is provided with blind hole, is provided with the middle part of screw rod
Inclined through hole, the through hole is interior to be provided with anaerobic adhesive.
As a modification of the present invention, groove is provided with the bolt hole, the bolt head is arranged in groove.
As a modification of the present invention, the bolt head is outer-hexagonal shape structure.
As a modification of the present invention, the bolt head surface is provided with cross recess.
As a modification of the present invention, the jam nut diameter is equal or slightly larger than internal thread diameter.
As a modification of the present invention, the through hole angle of inclination is 40 °.
The beneficial effects of the invention are as follows：
A kind of communication line mainboard subrack anti-drop device of the present invention, is dehisced triple using spring shim, anaerobic adhesive, bottom
It loosing Prevention Technology, effectively can prevent subrack from loosening, improve the stability of work.
Brief description of the drawings
Fig. 1 is the external structure of the present invention.
Fig. 2 is bolt schematic diagram of the present invention.
Fig. 3 is bolt ground plan of the present invention.
Reference numerals list：
1st, subrack body, 2, bolt, 3, bolt head, 4, screw rod, 5, spring shim, 6, subdivision groove, 7, blind hole, 8, jam nut,
9th, through hole, 10, groove, 11, cross recess.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following embodiments are only
For illustrating the present invention rather than limitation the scope of the present invention.It should be noted that the word " preceding " used below in description,
" rear ", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer respectively to direction or remote
From the direction of particular elements geometric center.
As illustrated, a kind of communication line mainboard subrack anti-drop device of the present invention, including subrack body 1, bolt
2, the subrack body 1 is square structure, and the rear end face both sides of subrack body 1 are provided with bolt hole（It is not drawn into）, the bolt 2 passes through
Bolt hole, bolt are non-metal elastic bolt, and bolt 2 includes bolt head 3 and screw rod 4, the bolt head 3 and subrack body 1 it
Between be provided with spring shim 5, the lower section of screw rod 4 is provided with subdivision groove 6, and the middle part of subdivision groove 6 is provided with blind hole 7, and the inwall of blind hole 7 is provided with
Screw thread, blind hole 7 is interior to be provided with jam nut 8, and inclined through hole 9 is provided with the middle part of screw rod, anaerobic adhesive is provided with the through hole 9.
A kind of communication line mainboard subrack anti-drop device of the present invention, using triple loosing Prevention Technologies：1st, bolt head 3 with
It is provided with spring shim 5 between subrack body 1, bolt, which is carried, next to be not easy to unclamp；2nd, it is gluing that anaerobism is provided with inclined through hole 9
Agent, anaerobic adhesive are down trickled onto screw thread, and the anaerobic adhesive after solidification can be bonded using 15 years, and 3, the lower section of screw rod 4 is provided with and cuts open
Divide groove 6, the middle part of subdivision groove 6 is provided with blind hole 7, and jam nut 8 is provided with blind hole 7, and the diameter of jam nut 8 is equal or slightly larger than interior spiral shell
Line diameter, jam nut 8 strut the lower section of screw rod 4, because bolt is working of plastics, there is certain elasticity, when carrying bolt by force
Carry into, the probability very little up to be rebounded under elastic reaction, by this triple loosing Prevention Technology, can effectively prevent that subrack is loose
It is dynamic, improve the stability of main board work.
Groove 10 is provided with bolt hole of the present invention, the bolt head 3 is arranged in groove 10.
Bolt head 3 of the present invention is outer-hexagonal shape structure, and the surface of bolt head 3 is provided with cross recess 11, is removed and installed conveniently.
The angle of inclination of through hole 9 of the present invention is 40 °, is easy to anaerobic adhesive to flow down.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to
Formed technical scheme is combined by above technical characteristic.
Claims (6)
- A kind of 1. communication line mainboard subrack anti-drop device, it is characterised in that：Including subrack body, bolt, the subrack body For square structure, subrack body rear end face both sides are provided with bolt hole, the bolt passing through bolt hole, and bolt is non-metal elastic spiral shell Bolt, bolt include bolt head and screw rod, and spring shim is provided between bolt head and the subrack body, is provided with below the screw rod Subdivision groove, subdivision groove middle part are provided with blind hole, and blind hole inwall is provided with internal thread, and jam nut is provided with blind hole, is provided with the middle part of screw rod Inclined through hole, the through hole is interior to be provided with anaerobic adhesive.
- A kind of 2. communication line mainboard subrack anti-drop device according to claim 1, it is characterised in that：At the bolt hole Provided with groove, the bolt head is arranged in groove.
- A kind of 3. communication line mainboard subrack anti-drop device according to claim 1, it is characterised in that：The bolt head is Outer-hexagonal shape structure.
- A kind of 4. communication line mainboard subrack anti-drop device according to claim 3, it is characterised in that：The bolt head table Face is provided with cross recess.
- A kind of 5. communication line mainboard subrack anti-drop device according to claim 1, it is characterised in that：The jam nut Diameter is equal or slightly larger than internal thread diameter.
- A kind of 6. communication line mainboard subrack anti-drop device according to claim 1, it is characterised in that：The through hole tilts Angle is 40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783630.4A CN107642537A (en) | 2017-09-04 | 2017-09-04 | A kind of communication line mainboard subrack anti-drop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783630.4A CN107642537A (en) | 2017-09-04 | 2017-09-04 | A kind of communication line mainboard subrack anti-drop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107642537A true CN107642537A (en) | 2018-01-30 |
Family
ID=61110982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710783630.4A Pending CN107642537A (en) | 2017-09-04 | 2017-09-04 | A kind of communication line mainboard subrack anti-drop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107642537A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001083A (en) * | 2021-11-30 | 2022-02-01 | 李国强 | Anti-loosening fastening assembly |
| CN114321132A (en) * | 2021-12-29 | 2022-04-12 | 杭州广立微电子股份有限公司 | Limiting screw, fastening component and circuit board card |
-
2017
- 2017-09-04 CN CN201710783630.4A patent/CN107642537A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001083A (en) * | 2021-11-30 | 2022-02-01 | 李国强 | Anti-loosening fastening assembly |
| CN114321132A (en) * | 2021-12-29 | 2022-04-12 | 杭州广立微电子股份有限公司 | Limiting screw, fastening component and circuit board card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180130 |
|
| WD01 | Invention patent application deemed withdrawn after publication |