CN202251371U - Anti-dismounting and antitheft screw nut for knurled pin - Google Patents
Anti-dismounting and antitheft screw nut for knurled pin Download PDFInfo
- Publication number
- CN202251371U CN202251371U CN2011203985384U CN201120398538U CN202251371U CN 202251371 U CN202251371 U CN 202251371U CN 2011203985384 U CN2011203985384 U CN 2011203985384U CN 201120398538 U CN201120398538 U CN 201120398538U CN 202251371 U CN202251371 U CN 202251371U
- Authority
- CN
- China
- Prior art keywords
- nut
- pin
- groove
- plug sleeve
- wedge groove
- 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 - Lifetime
Links
Images
Landscapes
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The utility model relates to an anti-dismounting and antitheft screw nut for a knurled pin and mainly solves the problem of poor anti-dismounting and antitheft function of the existing locking screw nut. The anti-dismounting and antitheft screw nut for the knurled pin is characterized in that at least one arc-shaped wedge groove (2) is axially arranged on the inner wall of a screw nut (1), a pin (3) is built in the arc-shaped wedge grooves (2), in addition, the outer surface of the pin (3) is provided with uniform patterns, a temporary plug sleeve (4) is built in the screw nut (1), concave grooves (5) are arranged on the side wall of the temporary plug sleeve (4), and the number of the concave grooves (5) is not smaller than the number of the arc-shaped wedge grooves (2). The anti-dismounting and antitheft screw nut for the knurled pin has the characteristics that the slippage is avoided, and the anti-dismounting and antitheft function is good.
Description
Technical field
The utility model relates to a kind of fastening piece, the anti-anti-theft nut that unloads of a kind of specifically annular knurl pin.
Background technique
Nut is a kind of widely used fastening piece that matches with bolt; Just can clamped thing be clamped as long as screw in the bolt that matches with it, very easy to use, but in use; Sometimes because of artificially its dismounting being produced unsafe factor, even have an accident.Axial locking antitheft locking element commonly used generally adopts smooth pin to contact with smooth steel ball.Because its friction is little, phenomenon such as when falling to twist, can occur skidding or move axially makes anti-reliability of unloading anti-theft feature reduce greatly.
Summary of the invention
In order to overcome the anti-deficiency of unloading the anti-theft feature difference of existing locking nut, the utility model provides a kind of annular knurl pin the anti-anti-theft nut that unloads, and the anti-anti-theft nut that unloads of this annular knurl pin has non-slip, the anti-good characteristics of anti-theft feature of unloading.
The technological scheme of the utility model is: the anti-anti-theft nut that unloads of a kind of annular knurl pin; Comprise nut, at least one arc wedge groove is axially arranged on the described nut inner wall, described arc wedge groove is built-in with pin; And the pin outer surface is provided with uniform decorative pattern; Described nut is built-in with interim plug sleeve, and described interim plug sleeve sidewall is provided with groove, and the quantity of groove is not less than the quantity of arc wedge groove.
Described arc wedge groove up and down both sides is all inner at nut, and arc wedge groove with respect to the angle of the base of interim plug sleeve one side and nut axial direction less than 90o.
Described groove is a negative with the height difference of interim plug sleeve.
The decorative pattern of described pin outer surface is straight burr, twill or reticulate pattern, and the diameter of pin is at least 1mm.
Described nut profile is a hexagon.
The utlity model has following beneficial effect: owing to take such scheme; On the nut inner hole wall, be provided with one group of arc wedge groove; Pin surface is provided with uniform scratches in the arc wedge groove; After nut and bolt are used, make the frictional force of this assembled nut increase, thereby overcome the skidding when nut is fastening.In use, under non-destructive situation, can't it be dismantled, realize the anti-reliably anti-theft feature that unloads.
Description of drawings:
Fig. 1 is the half sectional view of the utility model;
Fig. 2 is the plan view of nut in the utility model;
Fig. 3 is the half sectional view of nut in the utility model;
Fig. 4 is the schematic representation of the pin of different outer surfaces in the utility model, and wherein a, b, c are respectively that outer surface is the schematic representation of twill, straight burr, reticulate pattern;
Fig. 5 is the sectional view of interim plug sleeve in the utility model;
Fig. 6 is the plan view of interim plug sleeve in the utility model.
1-nut among the figure, 2-arc wedge groove, 3-pin, the interim plug sleeve of 4-, 5-groove, 6-base.
Embodiment:
Below in conjunction with accompanying drawing the utility model is described further:
To shown in Figure 6, a kind of annular knurl pin is anti-to unload anti-theft nut, comprises nut 1 by Fig. 1, and described nut 1 profile is a hexagon, and is promptly identical with non-metallic insert hexagonal locking nut, and instrument that so when mounted need not be special is easy to use.At least one arc wedge groove 2 is axially arranged on described nut 1 inwall, and the quantity of arc wedge groove 2 also can be uniformly distributed along the circumference for two or three.Described arc wedge groove 2 is built-in with pin 3, and sells 3 outer surface and be provided with uniform decorative pattern, can be straight burr, twill or reticulate pattern; The material of annular knurl pin is a stainless steel; Its wedge property is high, and the diameter of pin 3 can be decided according to the size of nut 1, and the diameter of the big more annular knurl pin of nut 1 is big more; Be at least 1mm but sell 3 diameter, generally be no more than 6mm.Described arc wedge groove about in the of 2 both sides all in nut 1 inside; Be the thickness of the height of arc wedge groove 2 less than nut 1; And the two ends of groove all do not communicate with nut 1 upper and lower surfaces; Less than 90o, promptly base 6 has a down dip near a side direction of nut 1 medial axis arc wedge groove 2, and is more convenient when pin 3 is installed with respect to the angle of the base of interim plug sleeve 4 one sides 6 and nut 1 axial direction.Described nut 1 is built-in with interim plug sleeve 4, and interim plug sleeve 4 is made by nonmetal plastic material, has certain elasticity, its effect be prevent this nut when not using annular knurl pin 3 by coming off in the arc wedge groove 2.There is a boss interim plug sleeve 4 upper ends, and boss is close to the top of nut 1, prevent that interim plug sleeve 4 from falling in the nut 1.Easy for installation in order to guarantee, boss bottom plug sleeve main body can be a cone, and the external diameter of cone is slightly larger than nut 1 internal diameter, comes off to prevent interim plug sleeve 4.Described interim plug sleeve 4 sidewalls are provided with groove 5, and the quantity of groove 5 is not less than the quantity of arc wedge groove 2, and the quantity of general groove 5 is identical with the quantity of arc wedge groove 2.The length of interim plug sleeve 4 upper grooves 5 is negative with the difference of the height of interim plug sleeve 4, and promptly groove 5 is not a groove, and the width of groove 5 is greater than the diameter of annular knurl pin 3, and assurance annular knurl pin 3 can be put into arc wedge groove 2 through interim plug sleeve groove 5.
During this nut combinations; At first place nut 1 endoporus to interim plug sleeve 4, the groove 5 on the interim plug sleeve aligns with nut arc wedge groove 2, places pin 3 in the groove 5 then; Pin 3 slides onto in the arc wedge groove 2 automatically; With interim plug sleeve 4 rotation 45 o～90 o, make groove 5 and 2 dislocation of arc wedge groove, pin 3 promptly by shutoff in arc wedge groove 2.Because the cone of interim plug sleeve 4 part is more bigger than nut inner hole, add to nonmetal plastic material and make to have certain elasticity, this just makes interim plug sleeve 4 be difficult for from nut 1 endoporus, coming off, and therefore sells 3 and promptly is enclosed in the half arc wedge groove.
Use when this annular knurl pin is anti-to unload anti-theft nut; An end of interim plug sleeve 4 boss on the nut 1 outwardly, be screwed into, and interim plug sleeve 4 meeting quilts are automatically by ejecting in nut 1 endoporus with the bolt forward that matches; After nut 1 locking, annular knurl pin 3 by shutoff in arc wedge groove 2.When unscrewing when unloading nut 1 is counter, annular knurl pin 3 can receive friction, the extruding of bolt and arc wedge groove 2 immediately, thereby moves to arc wedge groove 2 and the little direction of angle that bolt forms, and then forms bigger coupling mechanism force.Owing to the decorative pattern on pin 3 surfaces, guaranteed that it can not occur skidding and sliding when being rubbed and push, thereby reached the good anti-anti-theft feature that unloads simultaneously.
Claims (5)
1. an annular knurl pin prevents unloading anti-theft nut; Comprise nut (1), it is characterized in that: at least one arc wedge groove (2) is axially arranged on described nut (1) inwall, and described arc wedge groove (2) is built-in with pin (3); And pin (3) outer surface is provided with uniform decorative pattern; Described nut (1) is built-in with interim plug sleeve (4), and described interim plug sleeve (4) sidewall is provided with groove (5), and the quantity of groove (5) is not less than the quantity of arc wedge groove (2).
2. the anti-anti-theft nut that unloads of annular knurl pin according to claim 1; It is characterized in that: described arc wedge groove (2) up and down both sides all in nut (1) inside, and arc wedge groove (2) with respect to the angle of the base (6) of interim plug sleeve (4) one sides and nut (1) axial direction less than 90o.
3. annular knurl pin according to claim 2 is anti-to unload anti-theft nut, it is characterized in that: described groove (5) is a negative with the height difference of interim plug sleeve (4).
4. annular knurl pin according to claim 3 is anti-to unload anti-theft nut, and it is characterized in that: the decorative pattern of described pin (3) outer surface is straight burr, twill or reticulate pattern, and the diameter of pin (3) is at least 1mm.
5. prevent unloading anti-theft nut according to claim 3 or 4 described annular knurl pins, it is characterized in that: described nut (1) profile is a hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203985384U CN202251371U (en) | 2011-10-19 | 2011-10-19 | Anti-dismounting and antitheft screw nut for knurled pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203985384U CN202251371U (en) | 2011-10-19 | 2011-10-19 | Anti-dismounting and antitheft screw nut for knurled pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202251371U true CN202251371U (en) | 2012-05-30 |
Family
ID=46112619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203985384U Expired - Lifetime CN202251371U (en) | 2011-10-19 | 2011-10-19 | Anti-dismounting and antitheft screw nut for knurled pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202251371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016492A (en) * | 2012-12-11 | 2013-04-03 | 浙江海力集团有限公司 | Detachable combined type anti-loosening and antitheft nut |
-
2011
- 2011-10-19 CN CN2011203985384U patent/CN202251371U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016492A (en) * | 2012-12-11 | 2013-04-03 | 浙江海力集团有限公司 | Detachable combined type anti-loosening and antitheft nut |
| CN103016492B (en) * | 2012-12-11 | 2014-12-03 | 浙江海力集团有限公司 | Detachable combined type anti-loosening and antitheft nut |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2009022419A1 (en) | Screw fastener | |
| CN205260572U (en) | Flange plate nut | |
| CN202251371U (en) | Anti-dismounting and antitheft screw nut for knurled pin | |
| CN202468635U (en) | Protective and anti-theft nut of elastic thrust knurled pin | |
| CN103277386B (en) | A kind of convenient stable helicitic texture | |
| CN203670383U (en) | Self-locking expansion bolt for elevator | |
| CN207344464U (en) | It is a kind of that there is the detachable hardware allen wrench for extending handle | |
| CN203394974U (en) | Convenient and stable thread structure | |
| CN203835926U (en) | Round anti-theft nut | |
| CN203035720U (en) | Environment-friendly cylindrical pin type anti-dismantling and anti-theft nut | |
| CN102297191B (en) | Anti-slip screw | |
| CN203670389U (en) | Limiting expansion bolt for elevator | |
| CN205226022U (en) | Cylindrical ball antitheft nut | |
| CN205298206U (en) | Antitheft nut is prevented unloading by pentagon annular knurl roller | |
| CN217002488U (en) | Piston rod locking device | |
| CN202251370U (en) | Knurling balling anti-dismounting antitheft nut | |
| CN201730948U (en) | Knurled stainless steel ball combined defensive antitheft nut | |
| CN201513440U (en) | Locking element | |
| CN109079021A (en) | Manufacture the mold and punching head of fastener | |
| CN202048246U (en) | Double-threaded valve core | |
| CN211331228U (en) | Sand mould backing pin shedder | |
| CN219827430U (en) | Lock nut capable of improving locking function of internal thread | |
| CN203926319U (en) | Lock bolt | |
| CN203035719U (en) | Environment-friendly steel ball type anti-dismantling and anti-theft nut | |
| CN208634177U (en) | The thin tail backing-up screw of countersunk head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1 No. 324022 Zhejiang province Quzhou city Qujiang District Haili Avenue Patentee after: ZHEJIANG HAILI MAKES CO., LTD. Address before: 1 No. 324022 Zhejiang province Quzhou city Qujiang District Haili Avenue Patentee before: Zhejiang Haili Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |