CN205173178U - Looseness -prevention bolt - Google Patents
Looseness -prevention bolt Download PDFInfo
- Publication number
- CN205173178U CN205173178U CN201521004378.5U CN201521004378U CN205173178U CN 205173178 U CN205173178 U CN 205173178U CN 201521004378 U CN201521004378 U CN 201521004378U CN 205173178 U CN205173178 U CN 205173178U
- Authority
- CN
- China
- Prior art keywords
- screw
- bolt
- screw rod
- thread
- nut
- 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
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model provides a looseness -prevention bolt, including the locking part of bolt subtotal, spring washer overlap in on the screw rod a the threaded portion, locknut threaded connection in on the screw rod a the threaded portion, the antiskid line open in the locknut bottom, the one end of short spring is fixed in the disc of nut, short spring passes through the nut overlap in on the screw rod. The beneficial effects of the utility model are that with preventing bolt looseness behind the bolt tightening.
Description
Technical field
The utility model belongs to bolt field, especially relates to a kind of chek bolt.
Background technique
In existing technology, bolt as effectively and easily fastening piece, daily life and and industrial production in application and extensively, arrive greatly boats and ships, vehicle, hydraulic engineering, littlely arrive electronic product, digital equipment, even chemical experiment is also applied to some extent; Loosening easily appears in common bolt after connection connected piece, and the existing method loosened that prevents has use spring washer, uses the methods such as double nut, but the anti-loosing effect of these methods is unsatisfactory.
Summary of the invention
The purpose of this utility model is to provide a kind of chek bolt, and this chek bolt can prevent bolt looseness by after bolt tightening effectively.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of chek bolt, comprises bolt part and locking part, it is characterized in that: described bolt part is divided and comprised bolt head, screw rod, first screw thread, polished rod, through hole, second screw thread, internal thread, affixing screw, positioning screw, described screw rod is fixed on and is connected to immediately below described bolt head, and described first screw thread is opened in described screw rod upper part, press close to described bolt head bottom surface, described polished rod is positioned at below described first screw thread, and described through hole is opened on described screw rod, described polished rod part, described second screw thread is opened on described screw rod, with on described affixing screw below described polished rod, described second screw thread is identical in described first screw thread form, described internal thread is opened in described screw rod bottom surface, described internal thread is contrary with described first thread rotary orientation, described positioning screw is fixed on described affixing screw upper surface, described positioning screw bolt is connected in described internal thread, and described locking part comprises spring washer, lock nut, fastening port, anti-slip veins, nut, short spring, described spring washer is placed on the described screw rod of described bolt part, be affixed on described bolt head, described lock nut is threadedly connected to described first helical thread portion on the described screw rod of described bolt part, below described spring washer, described fastening port opens the upper surface in described lock nut, described anti-slip veins opens the bottom surface in described lock nut, on the described screw rod that described nut thread is connected to described bolt part and described affixing screw, the disc of described nut is fixed in one end of described short spring.
Preferably, described spring washer is placed on described first helical thread portion on described screw rod, and described lock nut is threadedly connected to described first helical thread portion on described screw rod, and described anti-slip veins is opened bottom described lock nut.
Preferably, the disc of described nut is fixed in one end of described short spring, and described short spring is placed on described screw rod by described nut.
The advantage that the utility model has and good effect are: owing to adopting technique scheme, after bolt is screwed into connected piece, turn lock nut again and make screw rod negative drawing, the spring on afterbody nut also plays the effect of negative drawing, thus realizes fastening locking effect; There is structure simple, easy to maintenance, the advantages such as anti-loosing effect is good, convenient and swift.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
In figure: 1, bolt part; 1-1, bolt head; 1-2, screw rod; 1-3, the first screw thread; 1-4, polished rod; 1-5, through hole; 1-6, the second screw thread; 1-7, internal thread; 1-8, affixing screw; 1-9, positioning screw; 2, locking part; 2-1, spring washer; 2-2, lock nut; 2-3, fastening port; 2-4, anti-slip veins; 2-5, nut; 2-6, short spring.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, to embodiment of the present utility model, effect and working principle etc. as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail.
As shown in Figure 1, the utility model provides a kind of chek bolt, and comprise bolt part 1 and locking part 2, bolt part 1 comprises bolt head 1-1, screw rod 1-2, first screw thread 1-3, polished rod 1-4, through hole 1-5, second screw thread 1-6, internal thread 1-7, affixing screw 1-8, positioning screw 1-9, screw rod 1-2 are fixed on and are connected to immediately below bolt head 1-1, and the first screw thread 1-3 opens in screw rod 1-2 upper part, press close to bolt head 1-1 bottom surface, polished rod 1-4 is positioned at below the first screw thread 1-3, and through hole 1-5 opens on screw rod 1-2, polished rod 1-4 part, the second screw thread 1-6 opens on screw rod 1-2, with on affixing screw 1-8 below polished rod 1-4, second screw thread 1-6 is identical in the first screw thread 1-3 shape, internal thread 1-7 opens in screw rod 1-2 bottom surface, internal thread 1-7 is contrary with the first screw thread 1-3 rotation direction, positioning screw 1-9 is fixed on affixing screw 1-8 upper surface, positioning screw 1-9 bolt is connected in internal thread 1-7, and locking part 2 comprises spring washer 2-1, lock nut 2-2, fastening port 2-3, anti-slip veins 2-4, nut 2-5, short spring 2-6, spring washer 2-1 are placed on the screw rod 1-2 of bolt part 1, be affixed on bolt head 1-1, lock nut 2-2 is threadedly connected to the first screw thread 1-3 part on the screw rod 1-2 of bolt part 1, below spring washer 2-1, fastening port 2-3 opens the upper surface in lock nut 2-1, anti-slip veins 2-4 opens the bottom surface in lock nut 2-2, and on the screw rod 1-2 that nut 2-5 is threadedly connected to bolt part 1 and affixing screw 1-8, the disc of nut 2-5 is fixed in one end of short spring 2-6.
Preferably, spring washer 2-1 is placed on the first screw thread 1-3 part on screw rod 1-2, and lock nut 2-2 is threadedly connected to the first screw thread 1-3 part on screw rod 1-2, and anti-slip veins 2-4 opens bottom lock nut 2-3.
Preferably, the disc of nut 2-5 is fixed in one end of short spring 2-6, and short spring 2-6 is placed on screw rod 1-2 by nut 2-5.
The advantage that the utility model has and good effect are: owing to adopting technique scheme, after bolt is screwed into connected piece, turn lock nut again and make screw rod negative drawing, the spring on afterbody nut also plays the effect of negative drawing, thus realizes fastening locking effect; There is structure simple, easy to maintenance, the advantages such as anti-loosing effect is good, convenient and swift.
Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (3)
1. a chek bolt, comprises bolt part and locking part, it is characterized in that: described bolt part is divided and comprised bolt head, screw rod, first screw thread, polished rod, through hole, second screw thread, internal thread, affixing screw, positioning screw, described screw rod is fixed on and is connected to immediately below described bolt head, and described first screw thread is opened in described screw rod upper part, press close to described bolt head bottom surface, described polished rod is positioned at below described first screw thread, and described through hole is opened on described screw rod, described polished rod part, described second screw thread is opened on described screw rod, with on described affixing screw below described polished rod, described second screw thread is identical in described first screw thread form, described internal thread is opened in described screw rod bottom surface, described internal thread is contrary with described first thread rotary orientation, described positioning screw is fixed on described affixing screw upper surface, described positioning screw bolt is connected in described internal thread, and described locking part comprises spring washer, lock nut, fastening port, anti-slip veins, nut, short spring, described spring washer is placed on the described screw rod of described bolt part, be affixed on described bolt head, described lock nut is threadedly connected to described first helical thread portion on the described screw rod of described bolt part, below described spring washer, described fastening port opens the upper surface in described lock nut, described anti-slip veins opens the bottom surface in described lock nut, on the described screw rod that described nut thread is connected to described bolt part and described affixing screw, the disc of described nut is fixed in one end of described short spring.
2. a kind of chek bolt according to claim 1, it is characterized in that: described spring washer is placed on described first helical thread portion on described screw rod, described lock nut is threadedly connected to described first helical thread portion on described screw rod, and described anti-slip veins is opened bottom described lock nut.
3. a kind of chek bolt according to claim 1, is characterized in that: the disc of described nut is fixed in one end of described short spring, and described short spring is placed on described screw rod by described nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004378.5U CN205173178U (en) | 2015-12-06 | 2015-12-06 | Looseness -prevention bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004378.5U CN205173178U (en) | 2015-12-06 | 2015-12-06 | Looseness -prevention bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173178U true CN205173178U (en) | 2016-04-20 |
Family
ID=55737178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004378.5U Expired - Fee Related CN205173178U (en) | 2015-12-06 | 2015-12-06 | Looseness -prevention bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173178U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530218A (en) * | 2019-01-22 | 2019-03-29 | 山东理工大学 | A kind of vibrating screening machine that shaker pan can be effectively prevent to loosen |
| CN110630612A (en) * | 2019-10-16 | 2019-12-31 | 嘉兴涵祺汽配科技有限公司 | Novel bolt with built-in anti-loosening effect and elastic pad |
-
2015
- 2015-12-06 CN CN201521004378.5U patent/CN205173178U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530218A (en) * | 2019-01-22 | 2019-03-29 | 山东理工大学 | A kind of vibrating screening machine that shaker pan can be effectively prevent to loosen |
| CN110630612A (en) * | 2019-10-16 | 2019-12-31 | 嘉兴涵祺汽配科技有限公司 | Novel bolt with built-in anti-loosening effect and elastic pad |
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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: 20160420 Termination date: 20171206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |