CN1851275A - Checkscrew built in spring lamination - Google Patents
Checkscrew built in spring lamination Download PDFInfo
- Publication number
- CN1851275A CN1851275A CN 200610050218 CN200610050218A CN1851275A CN 1851275 A CN1851275 A CN 1851275A CN 200610050218 CN200610050218 CN 200610050218 CN 200610050218 A CN200610050218 A CN 200610050218A CN 1851275 A CN1851275 A CN 1851275A
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- China
- Prior art keywords
- nut
- bullet card
- groove
- card
- described bullet
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- 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.)
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to loose preventing 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. The ejecting seizing nut is set unloading groove. Unloading machine includes seizing ring and protecting ring. It has the advantages of safe, simple structure, convenient manufacture, and repeating use.
Description
Technical field
The invention belongs to industry and make fastener areas, relate in particular to a kind of jam nut that is provided with spring card.
Background technique
Bolt; nut is widely used industry as a kind of fastening piece commonly used; agricultural; national defence; science and technology; every field such as daily life; but in use nut regular meeting produces loosening or landing because vibration waits external force factor; thereby cause unnecessary loss; and the bolt that uses now; nut; usually do not have reliable locking functions; though the patent that has has also proposed locking chek bolt or nut (as disclosed Chinese patent: 200320114705.3/200420107189.6 etc.); but their structure is also not too simple; it is convenient not enough to operate; locking reliability is also not high, or the stuck phenomenon of nut easily takes place.Mention in the disclosed Chinese patent 200320114705.3, " can unload this shutoff screw with special tool earlier, take out goring push spring again,, can normally screw out nut with strong magnets sucking-off hoodle." this design is very cleverly, but to accomplish this point, necessarily requiring hoodle is magnet case, and other and this contacted object of hoodle (as bolt, nut) all must be a non-magnetizer.The use of common used material is restricted.
Summary of the invention
In order to solve the deficiency that prior art exists, it is reliable that one of purpose of the present invention provides a kind of locking property, unload unless use special tool to move back, otherwise not can because of external force factors such as vibration or thermal stress pine unload in adorn the jam nut of locking card.Advantage of the present invention is locking safety reliability height, and nut stuck phenomenon occurs, can use repeatedly screwing and use the special tool pine to unload Shi Buhui, and is simple in structure, easily manufactured.
To achieve these goals, the present invention is by the following technical solutions: the jam nut of a kind of built-in spring card of the present invention includes slot bolt, bullet card nut (bullet card nut is meant the nut that is provided with spring card) and bullet card nut and moves back and unload device (abbreviation moves back and unloads device).
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 or other shapes, 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 nut of spring card (be called for short bullet card), more specifically says, it be general nut dorsad an end of bolt be provided with at least one bullet draw-in groove, 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 so that counterclockwise (bullet card nut is provided with bullet card one end, the orientation of bullet card during in the face of setter) screw thread of oblique described bullet card nut, from this screw thread outlet, 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 should be 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.Described bullet card nut has one and moves back and unload groove in the screw thread place of an end of bolt dorsad at it, is used to move back insert described moving back when unloading described bullet card nut and unload device top snap ring.The described degree of depth of moving back the degree of depth of unloading groove less than described bullet draw-in groove, its thickness can be decided as required.Can suitably increase the thickness or the length of described bullet card nut when being necessary.
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, scrape the screw thread that decreases on the bolt in the time of also can preventing to operate, also be convenient to described moving back simultaneously and unload the described bullet card of device top snap ring jack-up and insert to move back and unload groove.
Described moving back unloaded device and comprised top snap ring and protective ring.The internal diameter of described top snap ring is greater than the described diameter that slot bolt is arranged, and its external diameter is less than the described thickness and the described bullet card nut internal diameter sum of unloading groove of moving back, and its length is smaller or equal to the described degree of depth of unloading groove of moving back.Described top snap ring is made as orifice, and described orifice diameter equals the internal diameter of described top snap ring.Described protective ring and described top snap ring are affixed, and its internal diameter and described top snap ring are with the footpath, and external diameter withdraws from described bullet card nut so that can guarantee described top snap ring in use, in case be stuck greater than the external diameter of described top snap ring.The length of described protective ring can be decided as required.Described moving back unloaded device and can be made described bullet card nut socket wrench specially adapted for it with the combination of the sleeve of socket wrench.Described bullet card nut socket wrench specially adapted for it only needs that a described top snap ring is set and gets final product in the sleeve of use-em-up fitted socket spanner.
The working principle of the jam nut 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 was left-handed, described bullet card will snap in described bullet draw-in groove and stop described bullet card nut left-handed, thereby had played locking effect.Unload device top described the moving back of snap ring insertion and unload groove when moving back when unloading described bullet card nut, will describedly moving back earlier, move back and unload device and described bullet Ka Ding can be had a slot bolt from described, use the left-handed described bullet card nut of spanner again, described bullet card nut can be moved back and unload.According to as can be known above-mentioned, the jam nut of a kind of built-in spring card of the present invention has reliable locking Security, unload unless use special tool to move back, otherwise bullet card nut is to unload because of external force such as vibration or thermal stress influence pine.
Description of drawings
Below in conjunction with accompanying drawing and example shown in the drawings, the invention will be further described, 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 jam nut of a kind of built-in spring card of the present invention;
Fig. 4 is that the bullet card nut of a kind of built-in spring card of the present invention moves back and unloads the device schematic representation;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the sleeve schematic representation of the bullet card nut special sleeve spanner of a kind of built-in spring card of the present invention;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the right elevation of Fig. 6.
Embodiment
As shown in Figure 1 and Figure 2, the jam nut of a kind of built-in spring card of the embodiment of the invention includes slot bolt 8 and bullet card nut 3.To there be slot bolt 8 to be positioned on engineering part 1 and the engineering part 2, and have slot bolt 8 to be tightened on the slot bolt 8 dorsad by spring card one end is housed on bullet card nut 3.There is the screw thread place of slot bolt 8 to be provided with a groove 7.Bullet card nut 3 has slot bolt 8 one ends dorsad, is provided with a bullet card 5 that plays draw-in groove 4 and be mounted in it, and with play the groove 9 that draw-in groove 4 is connected, have the screw thread place of slot bolt 8 one ends to be provided with one dorsad at bullet card nut 3 and move back and unload groove 6.
From embodiment as can be seen, when bullet card nut 3 when spring card one end being housed having slot bolt 8 to screw on slot bolt 8 dorsad, the exposed parts that plays the bullet card 4 in the draw-in groove 5 can receive slot bolt 8 extruding and be headed into groove 9, and bullet card nut 3 is can easily screw the same with plain nut just.After screwing, under the situation of not using special tool, bullet card nut 3 can not unload by pine.Because when bullet card nut 3 is left-handed, play the bullet card 4 in the draw-in groove 5, be that the bullet card that is in groove 9 positions can snap in the groove 7 at the screw thread place of slot bolt 8 more strictly speaking, thereby stop bullet card nut 3 left-handed pines to be unloaded.
As shown in Figure 3, the bullet card 5 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.
As Fig. 4, shown in Figure 5, moving back in the embodiment of the invention unloaded device, comprises top snap ring 42 and protective ring 41.
As Fig. 6, Fig. 7, shown in Figure 8, the bullet card nut socket wrench specially adapted for it in the embodiment of the invention comprises sleeve 61 and the sleeve top snap ring 62 that is arranged on wherein, and spanner joint 63.Sleeve 61 is that ut socket has the jammed function of protection described sleeve top snap ring again.
Unload bullet card nut 3 if move back, unload groove 6, unload with left-handed can the moving back of spanner again as long as will move back moving back in the top snap ring 42 insertion bullet card nuts 3 that unload on the device.Perhaps adopt bullet card nut socket wrench specially adapted for it, earlier sleeve 61 is entangled bullet card nut 3, must entangle abundant bullet card nut 3, unload groove 6, block spanner joint 63 left-handed can moving back with spanner again and unload to guarantee that described sleeve top snap ring 62 enters to move back.
Claims (10)
1, a kind of jam nut of built-in spring card includes slot bolt 8 and bullet card nut 3.
2, the jam nut of a kind of built-in spring card according to claim 1, it is characterized in that described slot bolt 8 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 8 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 8 is arranged.
3, the jam nut of a kind of built-in spring card according to claim 1, it is characterized in that described bullet card nut 3 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.
4, bullet card nut according to claim 3, it is characterized in that described bullet draw-in groove 5 is set in the physical location of described bullet card nut 3, parallel to an axis with described bullet card nut 3, 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 3, and from this screw thread outlet, also be provided with the groove 10 of an opening to the axle center at described threaded outlet place, when work (or) holds the described bullet card 4 that stretches out nut thread so that when extruding.
5, the jam nut of a kind of built-in spring card according to claim 1, it is characterized in that described bullet card nut has one and moves back and unload groove 6 at its screw thread place back to an end of bolt, be used to move back and insert described moving back when unloading described bullet card nut 3 and unload device top snap ring 42.
6, bullet card nut according to claim 3, it is characterized in that described bullet card nut 3 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 3.
7, the jam nut of a kind of built-in spring card according to claim 1 is characterized in that described bullet card nut 3 can unload the device pine and unloads with moving back, and described moving back unloaded device and comprised top snap ring 42 and protective ring 41.
8, unload device according to described the moving back of the described bullet card of claim 7 nut 3, the internal diameter that it is characterized in that described top snap ring 42 is greater than the described diameter that slot bolt 8 is arranged, its external diameter is less than the described thickness and the described bullet card nut 3 internal diameter sums of unloading groove 6 of moving back, and its length is smaller or equal to the described degree of depth of unloading groove 6 of moving back.Described top snap ring 42 is made as orifice, and described orifice diameter equals the internal diameter of described top snap ring 42.
9, unload device according to described the moving back of the described bullet card of claim 7 nut 3, it is characterized in that described top snap ring 42 can make described bullet card nut socket wrench specially adapted for it with the combination of the sleeve of socket wrench.
10,, it is characterized in that described bullet card nut socket wrench specially adapted for it only needs that a described sleeve top snap ring 62 is set and gets final product in the sleeve 61 of use-em-up fitted socket spanner according to the described bullet card of claim 9 nut socket wrench specially adapted for it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100502183A CN100366926C (en) | 2006-04-06 | 2006-04-06 | Checkscrew built in spring lamination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100502183A CN100366926C (en) | 2006-04-06 | 2006-04-06 | Checkscrew built in spring lamination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1851275A true CN1851275A (en) | 2006-10-25 |
| CN100366926C CN100366926C (en) | 2008-02-06 |
Family
ID=37132768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100502183A Expired - Fee Related CN100366926C (en) | 2006-04-06 | 2006-04-06 | Checkscrew built in spring lamination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100366926C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356930A (en) * | 2018-12-20 | 2019-02-19 | 周诚恩 | A kind of screw thread locking structure |
| CN111288066A (en) * | 2018-12-07 | 2020-06-16 | 恒昌行精密工业有限公司 | Anti-loosening positioning device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2059694U (en) * | 1989-11-28 | 1990-07-25 | 扬州电力机具厂 | Theft-proof combination check bolt and nut |
| CN2088617U (en) * | 1991-01-24 | 1991-11-13 | 李执伦 | Theft-proof screw bolt |
| CN2116802U (en) * | 1992-03-28 | 1992-09-23 | 周金鉴 | Anti-theft washer |
| CN2151300Y (en) * | 1992-10-24 | 1993-12-29 | 张汉忠 | Bolt lock and speical wrench therefor |
| CN1163992A (en) * | 1996-05-01 | 1997-11-05 | 王万堤 | Device for preventing internal and external screw parts from loosening |
| CN2255523Y (en) * | 1996-10-07 | 1997-06-04 | 谢成林 | Anti-theft screw bolt and its special mating tool |
| JPH11325037A (en) * | 1998-05-15 | 1999-11-26 | Asahi Tec Corp | Bolt/nut protective device |
| CN2370207Y (en) * | 1999-01-28 | 2000-03-22 | 林永春 | Anti-theft bolt |
-
2006
- 2006-04-06 CN CNB2006100502183A patent/CN100366926C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288066A (en) * | 2018-12-07 | 2020-06-16 | 恒昌行精密工业有限公司 | Anti-loosening positioning device |
| CN111288066B (en) * | 2018-12-07 | 2021-06-08 | 恒昌行精密工业有限公司 | Anti-loosening positioning device |
| CN109356930A (en) * | 2018-12-20 | 2019-02-19 | 周诚恩 | A kind of screw thread locking structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100366926C (en) | 2008-02-06 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20110406 |