CN207848177U - A kind of Anti-release screw - Google Patents

A kind of Anti-release screw Download PDF

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Publication number
CN207848177U
CN207848177U CN201721852879.8U CN201721852879U CN207848177U CN 207848177 U CN207848177 U CN 207848177U CN 201721852879 U CN201721852879 U CN 201721852879U CN 207848177 U CN207848177 U CN 207848177U
Authority
CN
China
Prior art keywords
hole
nut
bolt
baffle
clamping mechanism
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
Application number
CN201721852879.8U
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Chinese (zh)
Inventor
王广群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aus Tengda International Trade (tianjin) Co Ltd
Original Assignee
Aus Tengda International Trade (tianjin) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aus Tengda International Trade (tianjin) Co Ltd filed Critical Aus Tengda International Trade (tianjin) Co Ltd
Priority to CN201721852879.8U priority Critical patent/CN207848177U/en
Application granted granted Critical
Publication of CN207848177U publication Critical patent/CN207848177U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to machine component field, a kind of Anti-release screw is provided, it includes bolt and the nut that coordinates with bolt thread, it is opened up in the threaded walls axial direction of the bolt fluted, the nut radially offers first through hole, the nut shaft offers the second through-hole being connected to first through hole upwards, and the clamping mechanism for limiting bolts and nuts relative rotation is equipped in the first through hole, and the fixing piece that control clamping mechanism is abutted against with groove is equipped in second through-hole.In use, first nut is fixed tightly on bolt with spanner or other fastening tools, and groove and clamping mechanism are aligned, are then pushed in clamping mechanism insertion groove, and fixed clamping mechanism using fixing piece.The utility model effectively solves the problems, such as that existing screw easily loosens, and has stable structure, and handling are flexible, easy to use, repeat the advantages of utilizing.

Description

A kind of Anti-release screw
Technical field
The utility model is related to machine component fields, and in particular to a kind of Anti-release screw.
Background technology
Screw is widely used in every field, and operation principle is the screw thread being rotated by nut in bolt, to reach The purpose of union piece.Currently, well known screw is after tightening, due to by expand with heat and contract with cold, operational vibration load is influenced, very Rotation is generated easily against the coupling mechanism force on thread contact face, and then relaxation, especially in some important places, screw one Loosening will result in immeasurable loss.
Invention content
For the defects in the prior art, the utility model provides a kind of Anti-release screw, solves existing screw and easily loosens The problem of.
Specific technical solution is as described below:
A kind of Anti-release screw, including bolt and the nut with bolt thread cooperation, in the threaded walls axial direction of the bolt Open up fluted, the nut radially offers first through hole, which offers be connected to first through hole upwards Two through-holes are equipped with the clamping mechanism for limiting bolts and nuts relative rotation, second through-hole in the first through hole The fixing piece that control clamping mechanism is abutted against with groove is inside installed.
The technical program is achieved in that in use, nut is first fixed tightly in bolt with spanner or other fastening tools On, and groove and clamping mechanism are aligned;Then it pushes in clamping mechanism insertion groove, and is consolidated clamping mechanism using fixing piece It is fixed.
The protrusion effect of the technical program:It effectively solves the problems, such as that existing screw easily loosens, there is stable structure, handling spirit Living, easy to use, repeatable the advantages of utilizing.
It preferably to realize the technical program, can further limit, the clamping mechanism includes hollow tube, push rod, limit Block, locating piece, first baffle, compression spring and second baffle;
The hollow tube is fixed in first through hole, and the inner end of the push rod, which sequentially passes through, is slidably mounted on hollow inside pipe wall On first baffle, compression spring, connect with limited block after the second baffle that is fixedly mounted in hollow tube, the outer end of the push rod with Locating piece connects;
Wherein, the push rod is fixedly connected with first baffle, which is slidably connected with second baffle, described compression spring one end It is fixed on first baffle, the other end is fixed on second baffle;
The fixing piece may be stuck between second baffle and locating piece or be connected to side wall of the locating piece far from bolt.
Advantageous effect using the above scheme:When screw bolt and nut needs anti-loose after fastening, push rod is pushed, is made at compression spring In compressive state, limited block is tightly fitted in groove, and fixing piece is connected to side wall of the locating piece far from bolt again at this time, right Clamping mechanism is fixed, and screw bolt and nut connection would not loosen.
When screw bolt and nut relative rotation connects, compression spring is in normal condition, and fixing piece is stuck in second baffle at this time Between locating piece, prevent push rod from hollow in-pipe, to not influence being rotatably connected for nut and bolt.
It further limits, second through-hole is threaded hole, and the fixing piece is screw, and the screw is connect with push rod End face be arc surface.
Advantageous effect using the above scheme:When fixing piece uses screw, only need adjusting screw in the position of the second through-hole Clamping mechanism can be controlled, fixing piece does not depart from the second through-hole, can avoid fixing piece problem easy to be lost, but also do not account for With storage space, convenience in transport.
It further limits, the length of the first through hole to nut upper surface is the 1/4~1/3 of nut length.
It further limits, the bolt axially offers several grooves, is opened up on the nut and number of recesses phase The first through hole matched and the second through-hole.
Preferably, bolt axle symmetrically offers two grooves upwards.
Preferably, the limited block and fixing piece outer surface are coated with phosphate coating.
Advantageous effect using the above scheme:Be arranged phosphate coating can guarantee clamping mechanism connect with fixed block, groove it is steady It is qualitative, and play the role of antirust.
It further limits, the outer end face of the locating piece does not stretch out the side wall of nut, can prevent clamping mechanism from influencing spanner Or other setting tool fastening bolts and nut.
It further limits, the binding face of the limited block and groove is arc surface.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar Element or part are generally identified by similar reference numeral.In attached drawing, each element or part might not be according to actual ratios It draws.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the front view of bolt arrangement shown in Fig. 1;
Fig. 3 is the vertical view of nut structure shown in Fig. 1;
Fig. 4 is in partial enlarged view when normal condition for compression spring at A in Fig. 1;
Fig. 5 is in partial enlarged view when compressive state for compression spring at A in Fig. 1;
Reference numeral:1, bolt;11, groove;2, nut;21, first through hole, the 22, second through-hole;3, clamping mechanism;4、 Fixing piece;31, hollow tube;32, push rod;33, limited block;34, locating piece;35, first baffle, 36, compression spring;37, second baffle.
Specific implementation mode
The embodiment of technical solutions of the utility model is described in detail below in conjunction with attached drawing.Following embodiment is only For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and this practicality cannot be limited with this Novel protection domain.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term "upper", "lower", "front", "rear", "vertical", "horizontal", The orientation or positional relationship of the instructions such as "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is based on ... shown in the drawings Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated dress It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model Limitation.
The utility model preferred structure and effect are described in detail referring to the drawings.
Optimum embodiment:
A kind of Anti-release screw, as shown in Figure 1 to Figure 3, including bolt 1 and the nut 2 with 1 screw-thread fit of bolt, it is described Fluted 11 are opened up in the threaded walls axial direction of bolt 1, the nut 2 radially offers first through hole 21, in 2 axial direction of nut The second through-hole 22 being connected to first through hole 21 is offered, is equipped in the first through hole 21 for limiting bolt 1 and nut 2 The clamping mechanism 3 of relative rotation is equipped with the fixing piece that control clamping mechanism 3 is abutted against with groove 11 in second through-hole 22 4。
Specifically, when clamping mechanism 3 and groove 11 abut against, bolt 1 and 2 relative rotation of nut can be prevented, screens is worked as When mechanism 3 is far from groove 11, bolt 1 can be relatively rotated with nut 2.
As shown in Figure 4 and Figure 5, it is described further, the clamping mechanism 3 includes hollow tube 31, push rod 32, limited block 33, locating piece 34, first baffle 35, compression spring 36 and second baffle 37;
The hollow tube 31 is fixed in first through hole 21, the inner end of the push rod 32 sequentially pass through be slidably mounted on it is hollow First baffle 35, compression spring 36 on 31 inner wall of pipe connect after the second baffle 37 being fixedly mounted in hollow tube 31 with limited block 33 It connects, the outer end of the push rod 32 is connect with locating piece 34;
Wherein, the push rod 32 is fixedly connected with first baffle 35, which is slidably connected with second baffle 37, described 36 one end of compression spring is fixed on first baffle 35, and the other end is fixed on second baffle 37;
The fixing piece 4 may be stuck between second baffle 37 and locating piece 34 or be connected to locating piece 34 far from bolt 1 Side wall.
Specifically, when needing clamping mechanism 3 to be abutted against with groove 11, push rod 32 is pushed, push rod 32 is made to be embedded in groove 11, Fixing piece 4 is connected to side wall of the locating piece 34 far from bolt 1, at this time since push rod 32 is in groove so that nut 2 and bolt 1 It is relatively unrotatable;
When the inner end of push rod 32 is stretched into hollow tube 31, bolt 1 and nut 2 can mutually twist under the action of fastening tool Tightly, fixing piece 4 is stuck between second baffle 37 and locating piece 34 at this time, can anti-throw-out lever 32 be subjected to displacement.
Further illustrate, second through-hole 22 be threaded hole, the fixing piece 4 be screw, the screw with push rod The end face of 32 connections is arc surface, can facilitate and is bonded with push rod 32, the position of preferably fixed push rod 32 and locating piece 34.
It further illustrating, the length of the first through hole 21 to 2 upper surface of nut is the 1/4~1/3 of 2 length of nut, Under conditions of meeting fixed require, the length of fixing piece 4 is reduced, with cost-effective.
It further illustrates, the bolt 1 is axial to offer several grooves 11, opens up on the nut 2 and is counted with groove 11 Measure the first through hole 21 that matches and the second through-hole 22, it is preferable that symmetrically offer two grooves 11 in 1 axial direction of bolt, first Through-hole 21, the second through-hole 22, clamping mechanism 3 and firmware 4 match setting.
It further illustrates, the limited block 33 and 4 outer surface of fixing piece are coated with phosphate coating.
It should be strongly noted that the clamping mechanism 3 is built-in structure, the outer end face of wherein locating piece 34 does not stretch out The side wall of nut 2 can prevent locating piece 34 from influencing the fastening of nut 2 and bolt 1 in this way.
The limited block 33 and the binding face of groove 11 are arc surface, can reduce the system of bolt 1 to the greatest extent in this way Difficulty and cost are made, while increasing limited block 33 and 11 fitting area of groove, more preferably limited block 33 is limited in groove 11.
The utility model solves the problems, such as that bolts and nuts cooperation easily loosens, simple in structure, stable, be easy to make It makes, convenient for promoting the use of, use scope is also not only bolt 1 and nut 2, or is matched similar to bolt 1 and nut 2 Close the lamp holder etc. of connection.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should manage Solution:It still can be with technical scheme described in the above embodiments is modified, either to which part or whole skills Art feature carries out equivalent replacement;And these modifications or replacements, it does not separate the essence of the corresponding technical solution the utility model The range of each embodiment technical solution should all cover in the claim of the utility model and the range of specification.

Claims (9)

1. a kind of Anti-release screw, including bolt (1) and the nut (2) with bolt (1) screw-thread fit, which is characterized in that
It is opened up fluted (11) in the threaded walls axial direction of the bolt (1), the nut (2) radially offers first through hole (21), the second through-hole (22) being connected to first through hole (21) is offered in nut (2) axial direction, the first through hole (21) is interior The clamping mechanism (3) relatively rotated with nut (2) for limiting bolt (1) is installed, is equipped in second through-hole (22) The fixing piece (4) that control clamping mechanism (3) is abutted against with groove (11).
2. a kind of Anti-release screw according to claim 1, which is characterized in that the clamping mechanism (3) includes hollow tube (31), push rod (32), limited block (33), locating piece (34), first baffle (35), compression spring (36) and second baffle (37);
The hollow tube (31) is fixed in first through hole (21), and the inner end of the push rod (32), which sequentially passes through, to be slidably mounted on First baffle (35), compression spring (36) on blank pipe (31) inner wall, after the second baffle (37) being fixedly mounted in hollow tube (31) It is connect with limited block (33), the outer end of the push rod (32) is connect with locating piece (34);
Wherein, the push rod (32) is fixedly connected with first baffle (35), which is slidably connected with second baffle (37), Described compression spring (36) one end is fixed on first baffle (35), and the other end is fixed on second baffle (37);
The fixing piece (4) may be stuck between second baffle (37) and locating piece (34) or be connected to locating piece (34) far from bolt (1) side wall.
3. a kind of Anti-release screw according to claim 2, which is characterized in that second through-hole (22) is threaded hole, The fixing piece (4) is screw, and the screw is arc surface in the end face being connect with push rod (32).
4. a kind of Anti-release screw according to claim 2, which is characterized in that the first through hole (21) to nut (2) The length of upper surface is the 1/4~1/3 of nut (2) length.
5. a kind of Anti-release screw according to claim 1, which is characterized in that the bolt (1) axially offers several Groove (11) opens up the first through hole (21) to match with groove (11) quantity and the second through-hole (22) on the nut (2).
6. a kind of Anti-release screw according to claim 5, which is characterized in that symmetrically offer two in bolt (1) axial direction Groove (11).
7. a kind of Anti-release screw according to claim 2, which is characterized in that the limited block (33) and fixing piece (4) are outside Surface is coated with phosphate coating.
8. a kind of Anti-release screw according to claim 2, which is characterized in that the outer end face of the locating piece (34) does not stretch out The side wall of nut (2).
9. a kind of Anti-release screw according to claim 2, which is characterized in that the patch of the limited block (33) and groove (11) Conjunction face is arc surface.
CN201721852879.8U 2017-12-26 2017-12-26 A kind of Anti-release screw Expired - Fee Related CN207848177U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721852879.8U CN207848177U (en) 2017-12-26 2017-12-26 A kind of Anti-release screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721852879.8U CN207848177U (en) 2017-12-26 2017-12-26 A kind of Anti-release screw

Publications (1)

Publication Number Publication Date
CN207848177U true CN207848177U (en) 2018-09-11

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ID=63418848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721852879.8U Expired - Fee Related CN207848177U (en) 2017-12-26 2017-12-26 A kind of Anti-release screw

Country Status (1)

Country Link
CN (1) CN207848177U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112303093A (en) * 2020-11-03 2021-02-02 广东电网有限责任公司 Cotter bolt and coupling assembling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112303093A (en) * 2020-11-03 2021-02-02 广东电网有限责任公司 Cotter bolt and coupling assembling

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180911

Termination date: 20201226

CF01 Termination of patent right due to non-payment of annual fee