CN204851949U - Check fixing bolt - Google Patents
Check fixing bolt Download PDFInfo
- Publication number
- CN204851949U CN204851949U CN201520506880.XU CN201520506880U CN204851949U CN 204851949 U CN204851949 U CN 204851949U CN 201520506880 U CN201520506880 U CN 201520506880U CN 204851949 U CN204851949 U CN 204851949U
- Authority
- CN
- China
- Prior art keywords
- pin
- bolt head
- blind hole
- hole
- fastening screw
- 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
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model discloses a check fixing bolt, the screw rod that forms including the bolt head, from bolt head downwardly extending, the bolt head is the cylinder, is equipped with the circular slot in the middle of the bolt head upper surface, is equipped with decurrent screw thread blind hole in the middle of the circular slot, be equipped with fastening screw in the screw thread blind hole, fastening screw top be triangle -shaped, is inverted circular truncated cone below the fastening screw, and fastening screw's high height than the screw thread blind hole has more 4 -8mm, the circular slot both sides evenly are equipped with two arc grooves, the screw rod side is equipped with the through -hole intercommunication screw thread blind hole of symmetry, is equipped with the pin in the through -hole, the opposite face of pin is the sphere, and the length of pin is than the little 1 -3mm of screw rod radius, check fixing bolt, utilize outside the tapering extrudes screw rod side with the pin, have fine locking effect, the bolt head is equipped with two arc grooves, it is effectual to prevent tearing open the theftproof, simple structure, convenient to use, safe and reliable, long service life.
Description
Technical field
The utility model belongs to machanical fastener technical field, is specifically related to a kind of anti-loosening clamping bolt.
Background technique
Now, in industrial field, there are many places to need to use bolt to carry out fastening locking, requirement is firm, durable in use, but general bolt is being subject to the situation of judder, bolt gets loose possibly, for some blind holes, bolt gets loose and just likely affects the working life of machinery, machine security and personal safety, and the bolt head in current standard piece mostly is hexagon or other shapes of direct-dismounted dual, easily be disassembled, the chek bolt of the various ways used in the past, but Shortcomings all in various degree, easy generation loosens phenomenon, do not possess anti-theft feature, increase maintenance rate, bring inconvenience to user.
Summary of the invention
For solving the problem, the utility model discloses a kind of anti-loosening clamping bolt, can avoid loosening, anti-detaching theft-proof, safe and reliable, cost is low, long service life.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of anti-loosening clamping bolt, it is characterized in that: comprise bolt head, from the screw rod that bolt head extends to form downwards, described bolt head is cylindrical body, circular groove is provided with in the middle of bolt head upper surface, downward tapped blind hole is provided with in the middle of circular groove, fastening screw is provided with in described tapped blind hole, it is triangle above described fastening screw, in reverse frustoconic below fastening screw, the many 4-8mm of height of the aspect ratio tapped blind hole of fastening screw, described circular groove both sides are evenly provided with two arc grooves, described screw rod side is provided with symmetrical through hole and is communicated with tapped blind hole, pin is provided with in through hole, the opposing side of described pin is sphere, the length 1-3mm less of screw rod radius of pin.
Improve as one of the present utility model, described through hole is vertically set on the root of tapped blind hole.
Improve as one of the present utility model, described pin surface scribbles anaerobic adhesive.
The anti-loosening clamping bolt of one of the present invention, utilize tapering by outside pin extruding screw side, have good anti-loosing effect, bolt head is provided with two arc grooves, and anti-detaching theft-proof is effective, and structure is simple, easy to use, safe and reliable, long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is fundamental diagram of the present utility model.
Fig. 3 is plan view of the present utility model.
Reference numerals list:
1, bolt head, 2, screw rod, 3, circular groove, 4, tapped blind hole, 5, fastening screw, 6, above fastening screw, 7, through hole, 8, pin, 9, sphere, 10, below fastening screw, 11, anaerobic adhesive, 12, arc groove.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, following embodiment should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometrical center respectively.
As shown in the figure, the anti-loosening clamping bolt of one of the present invention, comprise bolt head 1, from the screw rod 2 that bolt head 1 extends to form downwards, described bolt head 1 is cylindrical body, circular groove 3 is provided with in the middle of bolt head 1 upper surface, downward tapped blind hole 4 is provided with in the middle of circular groove 3, fastening screw 5 is provided with in described tapped blind hole 4, above described fastening screw, 6 is triangle, below fastening screw, 10 in reverse frustoconic, the many 4-8mm of height of the aspect ratio tapped blind hole 4 of fastening screw 5, described circular groove 3 both sides are evenly provided with two arc grooves 12, described screw rod 2 side is provided with symmetrical through hole 7 and is communicated with tapped blind hole 4, pin 8 is provided with in through hole 7, the opposing side of described pin 8 is sphere 9, the length 1-3mm less of screw rod 2 radius of pin 8.
The anti-loosening clamping bolt of one of the present invention, utilizes the tapering of below fastening screw 10 by outside pin 8 extruding screw side, has good anti-loosing effect, bolt head is provided with two arc grooves, and anti-detaching theft-proof is effective, and structure of the present invention is simple, easy to use, safe and reliable, long service life.
Through hole 7 described in the utility model is vertically set on the root of tapped blind hole 4, and pin 8 is the most easily extruded, and anti-loosening effect is best.
The utility model scribbles anaerobic adhesive 11 on described pin 8 surface, and during as installed, pin 8 can not drop in through hole 7, further plays anti-loosing effect.
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned mode of execution, also comprises the technological scheme be made up of above technical characteristics combination in any.
Claims (3)
1. an anti-loosening clamping bolt, it is characterized in that: comprise bolt head, from the screw rod that bolt head extends to form downwards, described bolt head is cylindrical body, circular groove is provided with in the middle of bolt head upper surface, downward tapped blind hole is provided with in the middle of circular groove, fastening screw is provided with in described tapped blind hole, it is triangle above described fastening screw, in reverse frustoconic below fastening screw, the many 4-8mm of height of the aspect ratio tapped blind hole of fastening screw, described circular groove both sides are evenly provided with two arc grooves, described screw rod side is provided with symmetrical through hole and is communicated with tapped blind hole, pin is provided with in through hole, the opposing side of described pin is sphere, the length 1-3mm less of screw rod radius of pin.
2. the anti-loosening clamping bolt of one according to claim 1, is characterized in that: described through hole is vertically set on the root of tapped blind hole.
3. the anti-loosening clamping bolt of one according to claim 1, is characterized in that: described pin surface scribbles anaerobic adhesive.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520506880.XU CN204851949U (en) | 2015-07-14 | 2015-07-14 | Check fixing bolt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520506880.XU CN204851949U (en) | 2015-07-14 | 2015-07-14 | Check fixing bolt |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204851949U true CN204851949U (en) | 2015-12-09 |
Family
ID=54742501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520506880.XU Expired - Fee Related CN204851949U (en) | 2015-07-14 | 2015-07-14 | Check fixing bolt |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204851949U (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106015270A (en) * | 2016-06-20 | 2016-10-12 | 国网山东省电力公司莱州市供电公司 | Anti-burglary fastener and special sleeve |
CN107448465A (en) * | 2017-08-08 | 2017-12-08 | 太仓永固精密制件有限公司 | A kind of fastening-type check bolt |
CN107676363A (en) * | 2017-10-30 | 2018-02-09 | 安徽凯瑞汽配制造有限公司 | A kind of bolt assembly |
CN108150512A (en) * | 2017-11-17 | 2018-06-12 | 江苏壹鼎崮机电科技有限公司 | A kind of bolt with locking functions |
CN108443296A (en) * | 2018-06-20 | 2018-08-24 | 海盐东盛紧固件制造有限公司 | A kind of installation bolt of fixation |
CN108468696A (en) * | 2018-06-04 | 2018-08-31 | 海盐兴隆紧固件有限公司 | A kind of cup square neck bolt of fixation |
CN110513383A (en) * | 2019-08-29 | 2019-11-29 | 江铃控股有限公司 | A kind of bolt assembly anti-loose method |
ES2789923A1 (en) * | 2019-04-25 | 2020-10-26 | Jimenez Leticia Adelaida Jimenez | Double action screw (Machine-translation by Google Translate, not legally binding) |
CN112211887A (en) * | 2020-11-16 | 2021-01-12 | 庞长青 | Split formula check bolt |
CN112460124A (en) * | 2020-12-02 | 2021-03-09 | 扬州三劦紧固件有限公司 | High-strength bolt and processing method thereof |
CN113202852A (en) * | 2021-04-13 | 2021-08-03 | 河南科技大学 | Anti-loosening bolt |
CN113357251A (en) * | 2021-05-31 | 2021-09-07 | 海盐南方标准件有限公司 | Anti-loosening screw assembly |
-
2015
- 2015-07-14 CN CN201520506880.XU patent/CN204851949U/en not_active Expired - Fee Related
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106015270A (en) * | 2016-06-20 | 2016-10-12 | 国网山东省电力公司莱州市供电公司 | Anti-burglary fastener and special sleeve |
CN106015270B (en) * | 2016-06-20 | 2018-05-11 | 国网山东省电力公司莱州市供电公司 | A kind of anti-theft fastening piece and socket wrench specially adapted for it |
CN107448465A (en) * | 2017-08-08 | 2017-12-08 | 太仓永固精密制件有限公司 | A kind of fastening-type check bolt |
CN107676363A (en) * | 2017-10-30 | 2018-02-09 | 安徽凯瑞汽配制造有限公司 | A kind of bolt assembly |
CN108150512A (en) * | 2017-11-17 | 2018-06-12 | 江苏壹鼎崮机电科技有限公司 | A kind of bolt with locking functions |
CN108150512B (en) * | 2017-11-17 | 2024-04-26 | 广州华速信息技术有限公司 | Bolt with anti-loosening function |
CN108468696A (en) * | 2018-06-04 | 2018-08-31 | 海盐兴隆紧固件有限公司 | A kind of cup square neck bolt of fixation |
CN108443296A (en) * | 2018-06-20 | 2018-08-24 | 海盐东盛紧固件制造有限公司 | A kind of installation bolt of fixation |
ES2789923A1 (en) * | 2019-04-25 | 2020-10-26 | Jimenez Leticia Adelaida Jimenez | Double action screw (Machine-translation by Google Translate, not legally binding) |
CN110513383A (en) * | 2019-08-29 | 2019-11-29 | 江铃控股有限公司 | A kind of bolt assembly anti-loose method |
CN112211887A (en) * | 2020-11-16 | 2021-01-12 | 庞长青 | Split formula check bolt |
CN112460124A (en) * | 2020-12-02 | 2021-03-09 | 扬州三劦紧固件有限公司 | High-strength bolt and processing method thereof |
CN112460124B (en) * | 2020-12-02 | 2022-07-19 | 扬州三劦紧固件有限公司 | High-strength bolt and processing method thereof |
CN113202852A (en) * | 2021-04-13 | 2021-08-03 | 河南科技大学 | Anti-loosening bolt |
CN113357251A (en) * | 2021-05-31 | 2021-09-07 | 海盐南方标准件有限公司 | Anti-loosening screw assembly |
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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: 20151209 |
|
CF01 | Termination of patent right due to non-payment of annual fee |