CN1851276A - Anti-loosing anti-theft single-way screw built in spring lamination - Google Patents
Anti-loosing anti-theft single-way screw built in spring lamination Download PDFInfo
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- CN1851276A CN1851276A CN 200610050217 CN200610050217A CN1851276A CN 1851276 A CN1851276 A CN 1851276A CN 200610050217 CN200610050217 CN 200610050217 CN 200610050217 A CN200610050217 A CN 200610050217A CN 1851276 A CN1851276 A CN 1851276A
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- bullet card
- nut
- card
- groove
- bolt
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Abstract
The invention relates to loose preventing theft-proof one way screw with build-in spring seizing sheet. It includes groove bolt and ejecting seizing nut. The former is set at least one groove. And the latter is set at least one ejecting seizing groove. After setting the spring seizing, its part is extended into the hollow part of the nut. And its screw outlet is set flute. It has the advantages of safe, loose preventing, theft-poof, simple structure, and convenient manufacture.
Description
Technical field
The invention belongs to industrial manufacturer's standard fastener areas, relate in particular to a kind of anti-loose anti-theft ONE WAY LAG SCREWS of built-in spring card.
Background technique
Along with national economy high speed development, various open-air job facilities increase sharply (as falling engineerings such as road, electric power, bridge, expressway).Annual because of the stolen direct and consequential damage that causes of field facility equipment is huge, bring serious consequence for society and people's lives.
Stolen in order to prevent job facilities, people have taked many measures, as welding, riveted joint etc.; Also done a large amount of research, as disclosed Chinese patent: 99209860.2,200510039221.0,200310108707.6 and patent " bolt-type anti-loosing and anti-assembling nut " etc.But the safety reliability of prior art and construction flexibility can't organically be unified, that is to say otherwise the anti-loose anti-theft Security reliable, resemble welding, riveted joint, but the flexibility of constructing is not ideal; The construction flexibility is good, and as normal screws or cotter pin is arranged, but the anti-loose anti-theft Security must be unreliable again.Therefore, provide a kind of both anti-loose anti-thefts safe and reliable (unless just the structure of destruction bolt or nut is detachable), the tightening technology and the product of (can equally install with normal screws) are very important flexibly in construction again.
Summary of the invention
In order to solve the deficiencies in the prior art, it is safe and reliable to the purpose of this invention is to provide a kind of anti-loose anti-theft, more particularly, is if do not destroy a kind of anti-loose anti-theft ONE WAY LAG SCREWS that is provided with spring card that nut or bolt just can't unload the nut pine.Advantage of the present invention is an anti-loose anti-theft safety reliability height, and nut stuck phenomenon occurs screwing Shi Buhui, and is simple in structure, easily manufactured.
To achieve these goals, the present invention by the following technical solutions: a kind of anti-loose anti-theft ONE WAY LAG SCREWS that is provided with spring card of the present invention includes slot bolt and bullet card nut (bullet card nut is meant the nut that is provided with spring card).
It is described that slot bolt is arranged is to be provided with at least one groove at the screw thread place of general bolt.Described groove and described the slot bolt parallel to an axis arranged, its shape generally is designed to oblique V font, its opening direction points to the described screw advancement direction (or pointing to dextrad) that slot bolt is arranged, its opening arc length and the degree of depth can be as required have the actual specification of slot bolt and decide with described, but should consider not influence described fastening fastness and the mechanical strength that slot bolt is arranged as far as possible.The diameter of the described nut entry end that slot bolt arranged is less than its diameter of thread, and makes nut entry end to its screw thread place of slot bolt form the trapezoidal head of a suitable gradient, so that described bullet card nut screws on the described slot bolt that has easily.
Described bullet card nut promptly is equipped with the spring card nut of (being called for short the bullet card), more specifically say, it is to be provided with at least one at general nut towards an end of bolt to play draw-in groove (play draw-in groove and be meant the groove that is used for the mounting spring card), and described bullet card is housed in described bullet draw-in groove.Described bullet draw-in groove is set in the physical location of described bullet card nut, parallel to an axis with described bullet card nut, and (bullet card nut is provided with bullet card one end in a clockwise direction, the orientation of bullet card during in the face of setter) screw thread of oblique described bullet card nut, from this screw thread outlet, also be provided with the groove of an opening to the axle center at described threaded outlet place, when work (or) holds the bullet card that stretches out nut thread so that when extruding.The root of described bullet draw-in groove is provided with chamfering groove (can not add adhesive if do not establish the chamfering groove), in case described bullet card comes off.The length of described bullet draw-in groove and described groove, width and the degree of depth can be as required with the specification of described bullet card nut and decide, but width should be less than the thickness of described bullet card nut entity, the degree of depth should be less than the length of described bullet card nut.
The specification of described bullet card should match with the specification of described bullet draw-in groove and described groove.Described bullet card inserts described bullet draw-in groove from described bullet card nut side during installation.Described in use bullet card is subjected to the described roof pressure that slot bolt is arranged, and is containing certain elastic force, can not become flexible or comes off because of vibration or external force factor effect such as thermal stress.After described bullet card installed, described bullet card must some stretch into the hollow part (position of bolt promptly is set) of described bullet card nut.Described bullet card is made with spring steel plate or other elastic materials, should have elasticity and higher hardness preferably.The corner that is in three limits of (the bullet card is towards the one side of bolt) below the described bullet khaki at described groove position preferably is made as the obtuse angle, so that described bullet card nut screws on the described slot bolt that has, scrapes the screw thread that decreases on the bolt in the time of also can preventing to operate.
The working principle of the anti-loose anti-theft ONE WAY LAG SCREWS of a kind of built-in spring card of the present invention is, described when slot bolt is arranged when described bullet card nut is screwed on, described have the trapezoidal head of slot bolt the bullet card that exposes in the described bullet card nut can be headed into described groove gradually.When described bullet card nut dextrorotation, described bullet card also can be followed precession; And when described bullet card nut is left-handed, described bullet card will snap in described bullet draw-in groove and stop described bullet card nut left-handed, because described bullet draw-in groove is to face the described slot bolt (or engineering part) that has, when described bullet card nut screw on described slot bolt is arranged after, just the nut pine can't not unloaded if do not destroy nut or bolt, thereby have the function of reliable anti-loose anti-theft.
Description of drawings
Below in conjunction with accompanying drawing and example shown in the drawings, invention is described further, but the content of invention is not limited thereto.
Structure (work) view when Fig. 1 is the fastening relevant connection parts of the present invention;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the spring card schematic representation of the anti-loose anti-theft ONE WAY LAG SCREWS of a kind of built-in spring card of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, the anti-loose anti-theft ONE WAY LAG SCREWS of a kind of built-in spring card of the embodiment of the invention includes slot bolt 3 and bullet card nut 6.To there be slot bolt 3 to be positioned on engineering part 1 and the engineering part 2, bullet card nut 6 be tightened on the slot bolt 3 to engineering part 2 by spring card one end face is housed.There is the screw thread place of slot bolt 3 to be provided with a groove 7.Bullet card nut 6 is provided with a bullet card 4 that plays draw-in groove 5 and be mounted in it towards engineering part 2 one ends, and with play the groove 9 that draw-in groove 5 is connected.
From embodiment as can be seen, when bullet card nut 6 by spring card one end face being housed when engineering part 2 has screwed on slot bolt 3, the exposed parts that plays the bullet card 4 in the draw-in groove 5 can receive slot bolt 3 trapezoidal head 8 extruding and headed into groove 9 gradually, bullet card nut 6 is can easily screw the same with plain nut just.After bullet card nut 6 had screwed on slot bolt 3, if do not destroy bullet card nut 6 or slot bolt 3 is arranged, bullet card nut 6 just can only and then can not move back.Reason is when bullet card nut 6 is left-handed, plays the bullet card 4 in the draw-in groove 5, is that the bullet card that is in groove 9 positions can snap in the groove 7 at the screw thread place of slot bolt 3 more strictly speaking, thereby stops bullet card nut 6 left-handed pines to be unloaded.
As shown in Figure 3, the spring card schematic representation in the embodiment of the invention.The corner 31 that is in described bullet card 4 three limits of (the bullet card is towards the one side of bolt) below it at described groove 9 positions is the obtuse angle.
Claims (9)
1, a kind of anti-loose anti-theft ONE WAY LAG SCREWS of built-in spring card includes slot bolt 3 and bullet card nut 6.
2, the anti-loose anti-theft ONE WAY LAG SCREWS of a kind of built-in spring card according to claim 1, it is characterized in that described slot bolt 3 is arranged is to be provided with at least one groove 7 at the screw thread place of general bolt, described groove 7 has slot bolt 3 parallel to an axiss with described, its shape generally is designed to oblique V font or other shapes, and its opening direction should point to the described screw advancement direction (or pointing to dextrad) that slot bolt 3 is arranged.
3, the anti-loose anti-theft ONE WAY LAG SCREWS of a kind of built-in spring card according to claim 1, the diameter that it is characterized in that the described nut entry end that slot bolt 3 arranged is less than its diameter of thread, and make nut entry end to its screw thread place of slot bolt 3 form a suitable gradient 8, so that described bullet card nut 6 screws on the described slot bolt 3 that has easily.
4, the anti-loose anti-theft ONE WAY LAG SCREWS of a kind of built-in spring card according to claim 1, it is characterized in that described bullet card nut 6 is to be provided with at least one at general nut towards an end of bolt to play draw-in groove 5, and described bullet card 4 (the bullet card is meant spring card) is housed in described bullet draw-in groove 5.
5, bullet card nut according to claim 4, it is characterized in that described bullet draw-in groove 5 is set in the physical location of described bullet card nut 6, parallel to an axis with described bullet card nut 6, and (bullet card nut is provided with bullet card one end in a clockwise direction, orientation during in the face of setter) screw thread of oblique described bullet card nut 6, and, be provided with the groove 9 of an opening at described threaded outlet place to the axle center from the outlet of this screw thread, when work (or) holds the bullet card 4 that stretches out nut thread so that during extruding.
6, bullet card nut according to claim 4 is characterized in that the root of described bullet draw-in groove 5 is provided with the chamfering groove, in case described bullet card 4 comes off.
7 bullet card nuts according to claim 4, it is characterized in that described bullet card nut 6 installs described bullet card 4 after, described bullet card 4 must some stretch into the hollow part (position of bolt promptly is set) of described bullet card nut 6.
8, bullet card nut according to claim 4 is characterized in that described bullet card 4 is to make with spring steel plate or other elastic materials.
9, bullet card nut according to claim 4 is characterized in that described bullet card 4 is in the described bullet card 4 at described groove 9 positions, and corner 31 on three limits of (the bullet card is towards the one side of bolt) is the obtuse angle below it,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610050217 CN1851276A (en) | 2006-04-06 | 2006-04-06 | Anti-loosing anti-theft single-way screw built in spring lamination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610050217 CN1851276A (en) | 2006-04-06 | 2006-04-06 | Anti-loosing anti-theft single-way screw built in spring lamination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1851276A true CN1851276A (en) | 2006-10-25 |
Family
ID=37132769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610050217 Pending CN1851276A (en) | 2006-04-06 | 2006-04-06 | Anti-loosing anti-theft single-way screw built in spring lamination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1851276A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052815A (en) * | 2011-08-11 | 2013-04-17 | 励国庆 | Threaded connection device |
| CN108799308A (en) * | 2018-07-05 | 2018-11-13 | 黄寿钦 | A kind of bolt arrangement of anti-theft type |
| CN109356930A (en) * | 2018-12-20 | 2019-02-19 | 周诚恩 | A kind of screw thread locking structure |
-
2006
- 2006-04-06 CN CN 200610050217 patent/CN1851276A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052815A (en) * | 2011-08-11 | 2013-04-17 | 励国庆 | Threaded connection device |
| CN103052815B (en) * | 2011-08-11 | 2015-08-05 | 励国庆 | A kind of screw connection |
| CN108799308A (en) * | 2018-07-05 | 2018-11-13 | 黄寿钦 | A kind of bolt arrangement of anti-theft type |
| CN109356930A (en) * | 2018-12-20 | 2019-02-19 | 周诚恩 | A kind of screw thread locking structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |