CN203585025U - Slow-preventing bolt - Google Patents
Slow-preventing bolt Download PDFInfo
- Publication number
- CN203585025U CN203585025U CN201320716926.1U CN201320716926U CN203585025U CN 203585025 U CN203585025 U CN 203585025U CN 201320716926 U CN201320716926 U CN 201320716926U CN 203585025 U CN203585025 U CN 203585025U
- Authority
- CN
- China
- Prior art keywords
- slow
- screw
- rod
- looseness
- looseness bolt
- 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 - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 241001633942 Dais Species 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The utility model relates to a slow-preventing bolt which comprises a head, a screw, a fine-adjusting rod and a slow-preventing convex block. A hole with an internal thread is arranged in the screw axially, the fine-adjusting rod is in threaded-fit connection with the screw through the hole and comprises a mounting head and a rod body, a thread is arranged on the surface of the rod body, the tail end of the rod body is conical, an opening is arranged on the surface of the screw, an extensible slow-preventing convex block is arranged in the opening, the outer surface of the slow-preventing convex block is matched with a thread on the surface of the screw when the slow-preventing convex block is completely embedded in the opening, and an inclined edge matched with the conical tail end of the rod body is arranged on the inner surface of the slow-preventing convex block. By adopting ingenious structural design, a function of slow preventing of a fixing bolt is realized, especially for size after a mechanical thread is worn, loosening prevention and fastening without shedding, better effect is realized. The slow-preventing bolt is suitable for industrial machinery fixing, suitable for civil use, capable of being processed into various sizes and wide in application range.
Description
Technical field
The utility model relates to a kind of anti-looseness bolt, belongs to rolling stock installation and is fixedly connected with the technical field fixing with mechanical erection.
Background technique
Existing rolling stock field, mechanical field still adopt plain bolt; existing plain bolt in use; in its head six side place punchings; with iron wire, be wound around anti-congestion, be fixed and be connected with two bodies with through hole, this bolt when practical application along with mechanical strength; the continuous increase of wearing and tearing and size; often can be because there is loosening, stripped thread etc. in ectocine, to rolling stock, industrial or civilian machinery causes potential safety hazard.To being connected and fixed the technical requirements of parts, also improve constantly.Therefore, design a kind of anti-looseness bolt with high tightness, Security and become prior art field technical problem urgently to be resolved hurrily.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of anti-looseness bolt.
The technical solution of the utility model is as follows:
An anti-looseness bolt, comprises head, screw rod, regulating rod and anti-slow projection, is axially provided with the hole of internal thread in described screw rod, and described regulating rod is connected with screw rod screw-internal thread fit by described hole; Described regulating rod comprises mounting head and the body of rod, on the surface of the described body of rod, is provided with screw thread, at the end of the described body of rod, is taper; Described anti-slow projection internal surface is provided with the inclination edge that the tapered distal end with the described body of rod adapts; Surface at described screw rod is provided with opening, is provided with telescopic anti-slow projection in opening; In the time of in the described opening of embedding completely of described anti-slow projection, the outer surface of anti-slow projection matches with the screw thread of described screw surface.During described anti-slow projection work, swell screw surface and play anti-congestion.
Preferred according to the utility model, in the bottom surface of described anti-slow projection, be provided with anti-slow groove, in described screw rod bottom, hollow out is provided with through hole, and for locating stud is installed, described locating stud matches with the anti-slow groove of described anti-slow projection through through hole.Described locating stud matches with the anti-slow groove of anti-slow projection, prevents anti-slow projection loss.
Preferred according to the utility model, described opening is two, is symmetricly set on respectively the both side surface of described screw rod; Described anti-slow projection is 2, embeds respectively and arranges in described opening; When described two anti-slow projections merge, the outer surface of anti-slow projection matches with the screw thread of described screw surface.
Preferred according to the utility model, the position that described opening arranges is in the bottom of described screw rod.
Preferred according to the utility model, on the top of the described body of rod, be provided with screw thread.
Preferred according to the utility model, in described hole, comprise the assembly department and the screw section that from top to bottom arrange, on the top of screw section, be provided with limit dais.
Preferred according to the utility model, in described assembly department, elastic washer is installed.
Preferred according to the utility model, described anti-looseness bolt diameter be 24mm, described anti-looseness bolt length be 50-240mm.
Preferred according to the utility model, described anti-looseness bolt diameter be 30mm, described anti-looseness bolt length be 60-300mm.
Preferred according to the utility model, described anti-looseness bolt diameter be 36mm, described anti-looseness bolt length be 90-360mm.
Advantage of the present utility model is:
1, the utility model adopts exquisite structural design to realize the anti-slow function of fixing bolt, especially for the size after mechanical whorl wearing and tearing, anti-loosening, does not fasteningly come off, and has played better fiting effect.Not only be applicable to rolling stock and be fixedly connected with, the machinery of industry is fixed, and is also applicable to civilianly, can be processed into sizes, of many uses.
2, anti-looseness bolt described in the utility model its install, convenient disassembly is quick, in installation, realized afterwards the effect of firm anti-thread-releasing, and dismounting is quick, simply by regulating rod, just can realize the flexible of projection, efficiently solve the shortcoming that once hammering into of existing EXPANSION ANCHOR BOLTS cannot be dismantled or damage type is dismantled, be applicable to multiple installation situation.
3, anti-looseness bolt described in the utility model can also be realized the object of maintaining, hole by screw rod and opening are to oiling between screw rod and mounting hole, without dismounting, just can realize the integral body maintenance to bolt and bolt hole, prevent the hidden danger such as aging of getting rusty.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 is the structural representation of described regulating rod;
Fig. 4 is the structural representations of described 2 projections when merging;
Fig. 5 is the structural representation of the utility model while utilizing described regulating rod that described projection is ejected;
Fig. 6 is the external structure schematic diagram of Fig. 5.
In Fig. 1-6,1, head; 2, screw rod; 3, regulating rod; 4, anti-slow projection; 5, in screw rod, be axially provided with the hole of internal thread; 6, the mounting head of regulating rod; 7, the body of rod of regulating rod; 8, tapered distal end; 9, opening; 10, inclination edge; 11, limit dais; 12, anti-slow groove; 13, in described screw rod bottom hollow out, be provided with through hole; 14, locating stud; A is the diameter of described anti-looseness bolt; H is the length of described anti-looseness bolt.
Embodiment
Below in conjunction with embodiment and Figure of description, the utility model is described in detail, but is not limited to this.
As shown in Fig. 1-6.
An anti-looseness bolt, comprises head 1, screw rod 2, regulating rod 3 and anti-slow projection 4, the interior hole 5 that is axially provided with internal thread of described screw rod 2, and described regulating rod 3 is connected with screw rod screw-internal thread fit by described hole 5; Described regulating rod 3 comprises mounting head 6 and the body of rod 7, on the surface of the described body of rod 7, is provided with screw thread, at the end of the described body of rod 7, is taper; Described anti-slow projection 4 internal surfaces are provided with inclination that the tapered distal end with the described body of rod 7 adapts along 10; On the surface of described screw rod 2, be provided with opening 9, in opening 9, be provided with telescopic anti-slow projection 4; When the described opening 9 of embedding completely of described anti-slow projection 4 is interior, the outer surface of anti-slow projection 4 matches with the screw thread on described screw rod 2 surfaces.
The position that described opening 9 arranges is in the bottom of described screw rod 2.Top at the described body of rod 7 is provided with screw thread.In described hole 5, comprise the assembly department and the screw section that from top to bottom arrange, on the top of screw section, be provided with limit dais 11.
A kind of anti-looseness bolt as described in Example 1, its difference is, is provided with anti-slow groove 12 in the bottom surface of described anti-slow projection 4, in described screw rod 2 bottom hollow outs, is provided with through hole 13, be used for installing locating stud 14, described locating stud 14 matches with the anti-slow groove 12 of described anti-slow projection through through hole 13.Described locating stud 14 matches with the anti-slow groove 12 of anti-slow projection, prevents anti-slow projection 4 loss.
An anti-looseness bolt as described in Example 1, its difference is, described opening 9 is two, is symmetricly set on respectively the both side surface of described screw rod 2; Described anti-slow projection 4 is 2, embeds respectively and arranges in described opening 9; When described two anti-slow projections 4 merge, the outer surface of anti-slow projection 4 matches with the screw thread on described screw rod 2 surfaces.
An anti-looseness bolt as described in Example 1, its difference is, in described assembly department, elastic washer is installed.
Embodiment 5,
An anti-looseness bolt as described in Example 1, its difference is, described anti-looseness bolt diameter a be 24mm, described anti-looseness bolt length h be 80mm.
An anti-looseness bolt as described in Example 1, its difference is, described anti-looseness bolt diameter a be 30mm, described anti-looseness bolt length h be 70mm.
Embodiment 7,
An anti-looseness bolt as described in Example 1, its difference is, described anti-looseness bolt diameter a be 36mm, described anti-looseness bolt length h be 115mm.
Claims (10)
1. an anti-looseness bolt, is characterized in that, this anti-looseness bolt comprises head, screw rod, regulating rod and anti-slow projection, is axially provided with the hole of internal thread in described screw rod, and described regulating rod is connected with screw rod screw-internal thread fit by described hole; Described regulating rod comprises mounting head and the body of rod, on the surface of the described body of rod, is provided with screw thread, at the end of the described body of rod, is taper; Described anti-slow projection internal surface is provided with the inclination edge that the tapered distal end with the described body of rod adapts; Surface at described screw rod is provided with opening, is provided with telescopic anti-slow projection in opening; In the time of in the described opening of embedding completely of described anti-slow projection, the outer surface of anti-slow projection matches with the screw thread of described screw surface.
2. a kind of anti-looseness bolt according to claim 1, it is characterized in that, in the bottom surface of described anti-slow projection, be provided with anti-slow groove, in described screw rod bottom, hollow out is provided with through hole, be used for installing locating stud, described locating stud matches with the anti-slow groove of described anti-slow projection through through hole.
3. a kind of anti-looseness bolt according to claim 1, is characterized in that, described opening is two, is symmetricly set on respectively the both side surface of described screw rod; Described anti-slow projection is 2, embeds respectively and arranges in described opening; When described two anti-slow projections merge, the outer surface of anti-slow projection matches with the screw thread of described screw surface.
4. a kind of anti-looseness bolt according to claim 1, is characterized in that, the position that described opening arranges is in the bottom of described screw rod.
5. a kind of anti-looseness bolt according to claim 1, is characterized in that, on the top of the described body of rod, is provided with screw thread.
6. a kind of anti-looseness bolt according to claim 1, is characterized in that, comprises the assembly department and the screw section that from top to bottom arrange in described hole, on the top of screw section, is provided with limit dais.
7. a kind of anti-looseness bolt according to claim 6, is characterized in that, in described assembly department, elastic washer is installed.
8. a kind of anti-looseness bolt according to claim 1, is characterized in that, described anti-looseness bolt diameter be 24mm, described anti-looseness bolt length be 50-240mm.
9. a kind of anti-looseness bolt according to claim 1, is characterized in that, described anti-looseness bolt diameter be 30mm, described anti-looseness bolt length be 60-300mm.
10. a kind of anti-looseness bolt according to claim 1, is characterized in that, described anti-looseness bolt diameter be 36mm, described anti-looseness bolt length be 90-360 mm.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320716926.1U CN203585025U (en) | 2013-11-13 | 2013-11-13 | Slow-preventing bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320716926.1U CN203585025U (en) | 2013-11-13 | 2013-11-13 | Slow-preventing bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585025U true CN203585025U (en) | 2014-05-07 |
Family
ID=50582955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320716926.1U Expired - Fee Related CN203585025U (en) | 2013-11-13 | 2013-11-13 | Slow-preventing bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314951A (en) * | 2014-08-30 | 2015-01-28 | 秦在荣 | Threaded connection type screw rod |
| CN113915214A (en) * | 2020-07-07 | 2022-01-11 | 国山石材企业有限公司 | Anti-falling reverse hanging screw for stone and mounting method thereof |
-
2013
- 2013-11-13 CN CN201320716926.1U patent/CN203585025U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314951A (en) * | 2014-08-30 | 2015-01-28 | 秦在荣 | Threaded connection type screw rod |
| CN113915214A (en) * | 2020-07-07 | 2022-01-11 | 国山石材企业有限公司 | Anti-falling reverse hanging screw for stone and mounting method thereof |
| CN113915214B (en) * | 2020-07-07 | 2023-03-24 | 国山石材企业有限公司 | Anti-falling reverse hanging screw for stone and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 |