CN105508377A - Anti-falling bolt component - Google Patents
Anti-falling bolt component Download PDFInfo
- Publication number
- CN105508377A CN105508377A CN201510781561.4A CN201510781561A CN105508377A CN 105508377 A CN105508377 A CN 105508377A CN 201510781561 A CN201510781561 A CN 201510781561A CN 105508377 A CN105508377 A CN 105508377A
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- CN
- China
- Prior art keywords
- screw rod
- nut
- hole
- holes
- falling
- 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.)
- Pending
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Abstract
The invention discloses an anti-falling bolt component. The anti-falling bolt component comprises a screw rod fixedly connected with a screw cap at one end and provided with a thread at the other end, and further comprises a nut matched with the thread; multiple through holes are uniformly distributed in the screw rod; and the nut is provided with limiting holes coaxial with the through holes. As multiple through holes are formed in the screw rod, and the limiting holes are formed in the nut matched with the screw rod, after the nut is screwed on the screw rod, the fixation of the screw rod and the nut can be finished through a pin to prevent rotation or axial movement of the nut and to prevent looseness or falling of the nut, the connecting stability is effectively improved, the falling of parts to be connected is prevented, and the safety is higher.
Description
Technical field
The present invention relates to a kind of bolt, be specifically related to a kind of anti-drop bolt assembly.
Background technique
When the easy vibrative device such as motor or parts need to be pacified fixing, the normal mounting mechanism adopted is exactly bolt, when especially this kind of device or parts being connected with sheet material, often needs on bolt, to spin one again for fixing nut.But because motor can make nut also in company with vibration at the dither that operation process produces, in the course of time nut loosening can be caused to come off, cause and be connected and fixed inefficacy, easily cause the danger of dropping of device or assembly, obviously traditional bolts and nuts can not complete the installation or fixing of such shake unit well.
Summary of the invention
The object of the invention is to: a kind of anti-drop bolt assembly is provided, to solve conventional bolt and nut cannot effectively fix the problem vibrating class device or assembly.
The present invention is achieved by the following technical solution:
A kind of anti-drop bolt assembly, comprise the screw rod that one end is connected with nut, the screw rod the other end is provided with screw thread, also comprises the nut matched with this screw thread, described screw rod has some through holes be evenly arranged, described nut has the spacing hole coaxial with through hole.
Described through hole is opened in the threaded segments on screw rod.
Described through hole axis and screw rod axis perpendicular.
Described spacing hole internal diameter is greater than through hole internal diameter.
The invention has the beneficial effects as follows:
Compared with prior art, anti-drop bolt assembly provided by the invention, screw rod is offered some through holes, and have spacing hole on the nut matched with screw rod, nut is screwed in after on screw rod, the fixing of screw rod and nut can be completed by pin, avoid nut to rotate or move axially, prevent nut loosening or come off, effectively improve the stability of connection, avoid needing dropping of link, Safety performance is higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1-nut, 2-screw rod, 3-nut, 4-through hole, 5-spacing hole.
Embodiment
Below in conjunction with accompanying drawing, technological scheme of the present invention is described further, but described in required protection domain is not limited to;
As shown in Figure 1, anti-drop bolt assembly provided by the invention, comprise the screw rod 2 that one end is connected with nut 1, screw rod 2 the other end is provided with screw thread, also comprise the nut 3 matched with this screw thread, described screw rod 2 has some through holes 4 be evenly arranged, described nut 3 has the spacing hole 5 coaxial with through hole 4.
In order to avoid offering useless through hole in the polished rod portion of screw rod 2 and improving intensity and the bend resistance performance of screw rod 2, described through hole 4 is opened in the threaded segments on screw rod 2.
For the ease of the plug-in mounting of pin, described through hole 4 axis and screw rod 2 axis perpendicular.
Described spacing hole 5 internal diameter is greater than through hole 4 internal diameter, and it can allow to occur error and pin can not be caused cannot to insert spacing hole 5 with in through hole 4.
During use, first being inserted by screw rod 2 needs in the mounting hole of connection set or assembly, then screw rod 2 is connected with sheet material mounting point with device or assembly, screw rod 2 is passed sheet material and ensures that nut 1 is fitted with device or assembly surface, then nut 3 is socketed in the threaded segments on screw rod 2, tightening nut completes to be installed and ensures that through hole 4 is coaxial with spacing hole 5, and then adopts the pin such as straight pin or cotter pin to insert and penetrate spacing hole 5 and through hole 4, namely completes fixing.Installing additional of pin can effectively avoid nut 3 rotate or move axially, and stable connection is improved.
Claims (4)
1. an anti-drop bolt assembly, comprise the screw rod (2) that one end is connected with nut (1), screw rod (2) the other end is provided with screw thread, also comprise the nut (3) matched with this screw thread, it is characterized in that: described screw rod (2) has some through holes (4) be evenly arranged, described nut (3) has the spacing hole (5) coaxial with through hole (4).
2. anti-drop bolt assembly according to claim 1, is characterized in that: described through hole (4) is opened in the threaded segments on screw rod (2).
3. anti-drop bolt assembly according to claim 1, is characterized in that: described through hole (4) axis and screw rod (2) axis perpendicular.
4. anti-drop bolt assembly according to claim 1, is characterized in that: described spacing hole (5) internal diameter is greater than through hole (4) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781561.4A CN105508377A (en) | 2015-11-09 | 2015-11-09 | Anti-falling bolt component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781561.4A CN105508377A (en) | 2015-11-09 | 2015-11-09 | Anti-falling bolt component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105508377A true CN105508377A (en) | 2016-04-20 |
Family
ID=55716599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510781561.4A Pending CN105508377A (en) | 2015-11-09 | 2015-11-09 | Anti-falling bolt component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508377A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799301A (en) * | 2018-08-30 | 2018-11-13 | 美佳德科技（无锡）有限公司 | Dogbolt |
-
2015
- 2015-11-09 CN CN201510781561.4A patent/CN105508377A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799301A (en) * | 2018-08-30 | 2018-11-13 | 美佳德科技（无锡）有限公司 | Dogbolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |
|
| WD01 | Invention patent application deemed withdrawn after publication |