CN203574975U - Chassis and cover plate thereof - Google Patents
Chassis and cover plate thereof Download PDFInfo
- Publication number
- CN203574975U CN203574975U CN201320716823.5U CN201320716823U CN203574975U CN 203574975 U CN203574975 U CN 203574975U CN 201320716823 U CN201320716823 U CN 201320716823U CN 203574975 U CN203574975 U CN 203574975U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- connecting hole
- screw
- loosing screw
- hole
- 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.)
- Expired - Lifetime
Links
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model discloses a chassis and a cover plate thereof. The cover plate comprises a cover plate connecting hole and an anti-loosening screw which is inserted in the cover plate connecting hole from top to bottom, wherein the cover plate connecting hole is a stepped hole, the stepped hole is provided with an upward thrust step surface, a pressure spring is arranged between the thrust step surface and the head part of the anti-loosening screw in an ejected manner, the pressure spring is sleeved on the rod part of the anti-loosening screw and used for applying an upward elastic force on the anti-loosening screw, and the hole section, above the thrust step surface, of the cover plate connecting hole is matched with the head part of the anti-loosening screw in size. When the anti-loosening screw is separated from threads of the connecting hole of the box body, the elastic force produced by the pressure spring ejects the anti-loosening screw upwardly, so that the anti-loosening screw is completely separated from the threads of the connecting hole of the box body, thereby ensuring that the cover plate can be detached from the box body at one time.
Description
Technical field
The utility model relates to a kind of cabinet and cover plate thereof.
Background technology
On the casing of electronic cabinet, by anti-loosing screw releasable connection, there is cover plate, and the part that anti-loosing screw, pad and so on occur when preventing detachable cover plate is lost or the unnecessary trouble such as damage, anti-loosing screw generally all adopts anti-loosing screw, the bar portion latter end of anti-loosing screw is partly polished rod section for thread segment, remainder, and wherein thread segment can guarantee that anti-loosing screw stays on the cover board after cover plate is dismantled.According to varying in size of cabinet; the anti-loosing screw quantity connecting between cover plate and casing is generally 10-16; while only having these anti-loosing screws to be all screwed to (anti-loosing screw all departs from the threaded connection hole on casing) just can guarantee what cover plate disassembled from casing; but in actual mechanical process; often can there is one of them or several anti-loosing screw and the phenomenon that casing has any to be threaded, cause cover plate disposable disassembling smoothly.
Utility model content
The purpose of this utility model is to provide a kind of cabinet cover plate, in order to solve existing cover plate, the problem that anti-loosing screw and casing exist the phenomenon that is necessarily threaded still can occur after casing is back-outed at anti-loosing screw; The utility model also provides a kind of cabinet that uses this cover plate simultaneously.
Cabinet cover plate of the present utility model adopts following technical scheme: a kind of cover plate, comprise cover plate connecting hole and be inserted into from top to bottom the anti-loosing screw in cover plate connecting hole, described cover plate connecting hole is shoulder hole, shoulder hole has a thrust step surface upward, between thrust step surface and the head of anti-loosing screw, be top-loaded be sheathed in anti-loosing screw bar portion, for anti-loosing screw being applied to the upwards stage clip of elastic force, and the head size adaptation that is positioned at more than thrust step surface hole section and anti-loosing screw of cover plate connecting hole.
The bar portion epimere of described anti-loosing screw is partly that the polished rod section, the hypomere that are slidably matched with casing connecting hole gap are partly thread segment, described cover plate connecting hole is up big and down small secondary shoulder hole, and the reduced diameter section of this shoulder hole has the interior anticreep screw thread coordinating with screw flight section.
Cabinet of the present utility model adopts following technical scheme: a kind of cabinet, comprise casing, on casing, by anti-loosing screw, be connected with cover plate, casing and cover plate have respectively casing connecting hole and the cover plate connecting hole inserting for anti-loosing screw, described cover plate connecting hole is shoulder hole, shoulder hole has a thrust step surface upward, between thrust step surface and the head of anti-loosing screw, be top-loaded with and be sheathed in anti-loosing screw bar portion, for anti-loosing screw being applied to the upwards stage clip of elastic force, and the head size that is positioned at more than thrust step surface hole section and anti-loosing screw of cover plate connecting hole is adaptive.
The bar portion epimere of described anti-loosing screw is partly that the polished rod section, the hypomere that are slidably matched with casing connecting hole gap are partly thread segment, described cover plate connecting hole is up big and down small secondary shoulder hole, and the reduced diameter section of this shoulder hole has the interior anticreep screw thread coordinating with screw flight section.
Described casing connecting hole is up big and down small secondary shoulder hole, and the reduced diameter section of this shoulder hole has the interior connecting thread coordinating with the thread segment of anti-loosing screw, the length that the enlarged diameter section degree of depth is not less than anti-loosing screw thread segment.
Adopt the cabinet cover plate of said structure, because cover plate connecting hole is shoulder hole, this shoulder hole has a thrust step surface upward, and the head size that is positioned at more than thrust step surface hole section and anti-loosing screw is adaptive, to guarantee that the head of anti-loosing screw can be deep in cover plate connecting hole all the time; And between thrust step surface and the head of anti-loosing screw, be top-loaded with stage clip, like this after anti-loosing screw departs from from the screw thread of casing connecting hole, the elastic force that stage clip produces is by the anti-loosing screw jack-up that makes progress, make anti-loosing screw thoroughly separated with the screw thread of casing connecting hole, guarantee that cover plate can disposablely disassemble from casing.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of cabinet of the present utility model;
Fig. 2 is the anti-loosing screw releasing orientation figure in Fig. 1.
Embodiment
The embodiment of cabinet of the present utility model: as shown in Figure 1 and Figure 2, comprise casing 1 and cover plate 4, casing 1 and cover plate 4 link together by anti-loosing screw 3, wherein the bar subordinate section of anti-loosing screw 3 is partly for thread segment, remainder are polished rod section.The casing connecting hole inserting for anti-loosing screw 3 of casing 1 is up big and down small secondary shoulder hole, the reduced diameter section of this shoulder hole has the interior connecting thread coordinating with the thread segment of anti-loosing screw, and the enlarged diameter section degree of depth of this shoulder hole is greater than the thread segment length of anti-loosing screw 3.The cover plate connecting hole inserting for anti-loosing screw 3 of cover plate 4 is up big and down small secondary shoulder hole, the reduced diameter section of this shoulder hole has the interior anticreep screw thread coordinating with the thread segment of anti-loosing screw 3, between the step surface of this shoulder hole and anti-loosing screw head, be top-loaded with the stage clip 2 in the polished rod section that is sheathed on anti-loosing screw, and the enlarged diameter section of this shoulder hole and the head size of anti-loosing screw are adaptive, can guarantee that like this head of anti-loosing screw 3 is deep in cover plate connecting hole.
As shown in Figure 1, when anti-loosing screw 3 is during in tight condition, stage clip 2 is compressed, and meanwhile, the head of anti-loosing screw 3 is deep in the enlarged diameter section of cover plate connecting hole completely; As shown in Figure 2, when anti-loosing screw 3 is during in releasing orientation, stage clip 2 resets and anti-loosing screw 3 is applied to elastic force upwards, to avoid anti-loosing screw 3 phenomenon that is threaded with the interior connecting thread of casing connecting hole, and the interior anticreep screw thread of cover plate connecting hole can play block effect to the thread segment of anti-loosing screw, guarantee that anti-loosing screw stays on cover plate 4 all the time.
In above-described embodiment, buffer area after the enlarged diameter section of casing connecting hole unclamps as anti-loosing screw, its degree of depth is greater than the thread segment length of anti-loosing screw, and in other embodiments, the enlarged diameter section degree of depth of casing connecting hole also can equal the thread segment length of anti-loosing screw; Certainly, in other embodiments, buffer area also can be arranged in cover plate connecting hole, and cover plate connecting hole is three grades, and the interior anticreep screw thread of cover plate connecting hole is arranged in interstitial hole section.
The embodiment of cabinet cover plate of the present utility model: as shown in Figure 1 and Figure 2, comprise cover plate connecting hole and be inserted into the anti-loosing screw in cover plate connecting hole, anti-loosing screw is consistent with assembly structure and the assembly structure in above-described embodiment of cover plate connecting hole, and its content does not repeat them here.
Claims (5)
1. a cabinet cover plate, comprise cover plate connecting hole and be inserted into from top to bottom the anti-loosing screw in cover plate connecting hole, it is characterized in that: described cover plate connecting hole is shoulder hole, shoulder hole has a thrust step surface upward, between thrust step surface and the head of anti-loosing screw, be top-loaded be sheathed in anti-loosing screw bar portion, for anti-loosing screw being applied to the upwards stage clip of elastic force, and the head size adaptation that is positioned at more than thrust step surface hole section and anti-loosing screw of cover plate connecting hole.
2. cabinet cover plate according to claim 1, it is characterized in that: the bar portion epimere of described anti-loosing screw is partly that the polished rod section, the hypomere that are slidably matched with casing connecting hole gap are partly thread segment, described cover plate connecting hole is up big and down small secondary shoulder hole, and the reduced diameter section of this shoulder hole has the interior anticreep screw thread coordinating with screw flight section.
3. a cabinet, comprise casing, on casing, by anti-loosing screw, be connected with cover plate, casing and cover plate have respectively casing connecting hole and the cover plate connecting hole inserting for anti-loosing screw, it is characterized in that: described cover plate connecting hole is shoulder hole, shoulder hole has a thrust step surface upward, between thrust step surface and the head of anti-loosing screw, be top-loaded be sheathed in anti-loosing screw bar portion, for anti-loosing screw being applied to the upwards stage clip of elastic force, and the head size adaptation that is positioned at more than thrust step surface hole section and anti-loosing screw of cover plate connecting hole.
4. cabinet according to claim 3, it is characterized in that: the bar portion epimere of described anti-loosing screw is partly that the polished rod section, the hypomere that are slidably matched with casing connecting hole gap are partly thread segment, described cover plate connecting hole is up big and down small secondary shoulder hole, and the reduced diameter section of this shoulder hole has the interior anticreep screw thread coordinating with screw flight section.
5. cabinet according to claim 4, it is characterized in that: described casing connecting hole is up big and down small secondary shoulder hole, the reduced diameter section of this shoulder hole has the interior connecting thread coordinating with the thread segment of anti-loosing screw, the length that the enlarged diameter section degree of depth is not less than anti-loosing screw thread segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320716823.5U CN203574975U (en) | 2013-11-13 | 2013-11-13 | Chassis and cover plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320716823.5U CN203574975U (en) | 2013-11-13 | 2013-11-13 | Chassis and cover plate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574975U true CN203574975U (en) | 2014-04-30 |
Family
ID=50542680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320716823.5U Expired - Lifetime CN203574975U (en) | 2013-11-13 | 2013-11-13 | Chassis and cover plate thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203574975U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746219A (en) * | 2015-02-15 | 2015-07-01 | 经纬纺织机械股份有限公司 | Reed compressing device of rapier loom |
| CN105337085A (en) * | 2015-11-27 | 2016-02-17 | 贵州航天电器股份有限公司 | Accessory of electrical connector |
| CN111010837A (en) * | 2019-12-10 | 2020-04-14 | 珠海横琴新区辉腾电子科技有限公司 | Energy-saving embedded control system |
-
2013
- 2013-11-13 CN CN201320716823.5U patent/CN203574975U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746219A (en) * | 2015-02-15 | 2015-07-01 | 经纬纺织机械股份有限公司 | Reed compressing device of rapier loom |
| CN105337085A (en) * | 2015-11-27 | 2016-02-17 | 贵州航天电器股份有限公司 | Accessory of electrical connector |
| CN111010837A (en) * | 2019-12-10 | 2020-04-14 | 珠海横琴新区辉腾电子科技有限公司 | Energy-saving embedded control system |
| CN111010837B (en) * | 2019-12-10 | 2021-01-15 | 珠海横琴新区辉腾电子科技有限公司 | Energy-saving embedded control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |