CN202431718U

CN202431718U - Anti-dismounting bolt structure

Info

Publication number: CN202431718U
Application number: CN201120472350XU
Authority: CN
Inventors: 王元佑
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-24
Filing date: 2011-11-24
Publication date: 2012-09-12
Anticipated expiration: 2021-11-24

Abstract

The utility model relates to an anti-dismounting bolt structure. The anti-dismounting bolt structure comprises a load bearing seat, a screw piece, a pulling piece and a jacket, wherein a screw rod part of the screw piece penetrates out of the load bearing seat and is threaded in a screw hole of an object; the pulling piece can move along with the twisting of the jacket, and a shifting point is used for shifting and rotating the screw piece to lock the object; when the locking of the object reaches a considerable tight degree, the pulling power of a wrench is continuously applied to edged surfaces of the jacket, the pulling piece continuously rotates, and a pulling groove of the screw piece generates a considerable degree of stopping force on the shifting point to ensure that the shifting point is pushed, shoved and deformed and moves away from the pulling groove; and when the object is locked, the shifting point of the pulling piece is deformed to release from a linkage relation with the screw piece, a pulling and rotating operation is applied to the edged surfaces of the jacket, and an anti-dismounting effect of the object is achieved through idling motion that the twisting power cannot act on the screw piece. By the anti-dismounting bolt structure, the tight degree is stable when the object is locked and meets requirements and accords with economic benefit by only simply setting or changing the stress strength of the shifting point of the pulling piece.

Description

The tamper bolt arrangement

Technical field

The utility model relevant a kind of can be according to the different locking forces of object, the bolt that can simple and easyly produce various coupling mechanism force specifications is used, and refers to that especially member can hang down processing cost and make, and makes object locking tamper use, and more accords with the tamper bolt arrangement of economic benefit.

Background technique

Object locks on object, and the locking of periwinkle collecting silk is very common mode; Generally speaking, screw on object, normally can make the locking between object releasing and object by disassembling of screw with the object locking; Yet the locking of some objects but has the requirement of tamper after on the object; For example; Car plate locking periwinkle collecting silk on car body cooperates nut sealed, because of the simple and easy dismounting of available general Wrench, has the easy stolen problem of car plate; Existing, like M367983 number " the anti-fraud functional antiwithdrawal device of tool " novel patent case of TaiWan, China patent announcement, the design of its tamper; Mainly be to constitute by a tamper bolt combination one tamper nut; Form the above fin of a slice between the joint of this tamper bolt and edge portion, and this tamper nut center hole, then corresponding fin; Be concaved with draw-in groove against fin at the recess anchor ring; When spanner rotation tamper nut comes interlock tamper bolt to form urgent state, utilize the increase of the spanner application of force, block the fin of tamper proof screws by the shearing that truncation surface produced of each draw-in groove; Make tamper bolt and tamper nut form idle running relatively, reach the effect of object locking back tamper thus; Yet; The tamper bolt head lower edge of existing antiwithdrawal device is established an above fin, and this is not general common screw structure, can be on manufacturing because of body special or fin moulding difficulty; And the processing cost problem of higher is arranged; And fin intensity also is difficult for according to the variation of destructiveness or sets by simple change, comprises that bolt is to take the heat treatment process that locking intensity is carried out into account, and excessively hard fin has the problem of blocking difficulty; This intensity that has when often therefore sacrificing screw threaded, influence locking quality; Moreover; The recess anchor ring of its tamper nut center hole is established an above draw-in groove, and the punch press or the CNC computer lathe of this non-general low processing cost can be made, consequently; Existing antiwithdrawal device is not to be low unit price product; Bolt locking strength difficulty is set or changes, when object has requirement to lock urgent strength, and unfavorable use; If a kind of making of antiwithdrawal device; Can simple and easyly produce the bolt of various locking forces, and bolt is the screw piece of traditional common use again, and other accessories; Be again that low processing cost toolroom machine can be accomplished, at this moment make the use of tamper bolt more accord with practicality and economic benefit.

The model utility content

The purpose of the utility model be to provide a kind of can be according to the different locking forces of object; The bolt that can simple and easyly produce various coupling mechanism force specifications is used; And member can hang down processing cost and make, and makes object locking tamper use, and more accords with the tamper bolt arrangement of economic benefit.

For reaching above-mentioned purpose, the utility model provides a kind of tamper bolt arrangement, includes a load bearing seat, a screw piece, a pulling piece and an overcoat; This load bearing seat is a hexagon block body, and the center has a perforation, a recess and a room with the kenel in step cutting pattern hole; This screw piece is that group is located on the load bearing seat, and passes perforation by the screw part of this screw piece, and the head of this screw piece is positioned in the recess, and make on the head to pull groove corresponding with room; This pulling piece, be one with the corresponding hexagon plate of load bearing seat body, the room that is provided in a side of the load bearing seat end face is outside, the plate body lower edge of this pulling piece in room, corresponding screw piece pull groove, have to embed more than one and pull stirring a little in the groove; This overcoat, be one with the corresponding hexagon jacket casing of load bearing seat body, be that to be coated on load bearing seat outside and constitute the edged surface that supplies wrench operated, and pulling piece be limited to an internal fixation; The screw part of screw piece passes load bearing seat and is used to be screwed in the screw of object outward; Through spanner the overcoat edged surface is done the switching operation; The twist motion that this pulling piece is done with overcoat can be changeed screw piece and comes object is locked by stirring a little to dial in the groove pulling of screw piece; When the locking of object reaches suitable pressing degree; Switching strength continues to apply on the spanner its external sleeve edged surface; This pulling piece continues revolution, utilize screw piece pull block masterpiece that groove produces certain degree be used in stir a little on, make and stir a quilt and squeeze to push away to destroy and be out of shape and leave and pull groove.After relying on the object locking, the point deformation of stirring of pulling piece is removed the continuous action relation to screw piece, then applies the switching operation by the overcoat edged surface once more, can can't act on the idle running action on the screw piece to reverse strength, reaches object tamper effect; Overall structure only must be simple and easy a little receive force intensity to set or change by stirring of pulling piece, and the packing degree in the time of can making the object locking is stable to meet the requirements, and the low processing cost of each member is made, and order is used object locking tamper, more accords with economic benefit.

Described tamper bolt arrangement, wherein, each of this pulling piece is stirred a little, will pull when on the plate body surface, offering the material hole by punch press and expect to press down to constitute; Only must be shaped that at that time material changes or plate of material body thickness or stir the change of an appearance by pulling piece; Can access stirring a little of varying strength; And can produce the tamper bolt of various coupling mechanism force specifications according to the difference or the difference of stirring an intensity, select to use when supplying the object locking.

Described tamper bolt arrangement, wherein, this overcoat, but be provided with the clip portion that a plurality of bendings are out of shape at the opening end of hexagon jacket casing; When overcoat is coated on the load bearing seat outside, be to be out of shape to produce in the bending of load bearing seat bottom end by clip portion to press from both sides the fixation of pulling, make overcoat firmly coat load bearing seat, and make the stable group of pulling piece be located in the overcoat by interlock.

The beneficial effect of the utility model is: can be according to the different locking force of object, and the bolt that can simple and easyly produce various coupling mechanism force specifications is used, and member can hang down processing cost and make, and makes object locking tamper use, and more accords with economic benefit.

Description of drawings

Fig. 1 is the utility model member exploded perspective view;

Fig. 2 is the utility model component composition stereoscopic figure;

Fig. 3 is the utility model component composition generalized section;

Fig. 4 is the utility model pulling piece position cross-section structure schematic representation;

Fig. 5 is a constructing stereo schematic representation of stirring of the utility model pulling piece;

Pulling piece position section view when Fig. 6 carries out the object locking for the utility model;

Profile construction schematic representation when Fig. 7 carries out the object locking for the utility model;

Pulling piece position section view when Fig. 8 accomplishes the object locking for the utility model;

Profile construction schematic representation when Fig. 9 accomplishes the object locking for the utility model;

Figure 10 stirs point deformation appearance attitude schematic perspective view when accomplishing the object locking for the utility model.

Description of reference numerals: tamper bolt 10; Load bearing seat 20; Perforation 21; Recess 22; Room 23; Screw piece 30; Screw part 31; Head 32; Pull groove 33; Pulling piece 40; Stir a little 41; Material hole 42; Overcoat 50; Edged surface 51; Clip portion 52; Object 60; Screw 61; Object 70.

Embodiment

A kind of tamper bolt arrangement like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, is that a tamper bolt 10 includes a load bearing seat 20, a screw piece 30, a pulling piece 40 and an overcoat 50; This load bearing seat 20 is a hexagon block body, and the center has perforation 21, one recess 22 and a room 23 with the kenel in step cutting pattern hole; This screw piece 30 is that group is located on the load bearing seat 20, and passes perforation 21 by its screw part 31, and head 32 is positioned in the recess 22, and make on the head 32 to pull groove 33 corresponding with room 23; This pulling piece 40; Be one with the corresponding hexagon plate of load bearing seat 20 bodies, be provided in a side of room 23 outsides of load bearing seat 20 end faces, its plate body lower edge is in room 23; Corresponding screw piece 30 pull groove 33, have to embed more than one to pull and stir a little 41 in the groove 33; This overcoat 50, be one with the corresponding hexagon jacket casing of load bearing seat 20 bodies, be that to be coated on load bearing seat 20 outside and constitute the edged surface 51 that supplies wrench operated, and pulling piece 40 be limited to an internal fixation; Like Fig. 6, Fig. 7; The screw part 31 of screw piece 30 passes and is used to be screwed in the screw 61 of object 60 outside the load bearing seat 20; Through spanner overcoat 50 edged surfaces 51 are done the switching operation; The twist motion that this pulling piece 40 is done with overcoat 50 can be dialled in the groove 33 pulling of screw piece 30 and to change screw piece 30 and come object 70 is locked by stirring a little 41; When the locking of object 70 reaches suitable pressing degree; Switching strength continues to apply on spanner its external sleeve 50 edged surfaces 51; Like Fig. 8, Fig. 9, Figure 10; This pulling piece 40 continues revolution, utilizes the block masterpiece that groove 33 produces certain degrees pulled of screw piece 30 (when tightly locking) to be used in and to stir a little on 41, makes to stir a little 41 and squeezed and push away destruction and be out of shape and leave and pull groove 33; After object 70 lockings; The continuous action relation to screw piece 30 is removed in a little 41 distortion of stirring of pulling piece 40; Then apply the switching operation by overcoat 50 edged surfaces 51 once more, can can't act on the idle running action on the screw piece 30, reach object 70 tamper effects to reverse strength; Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, overall structure only must simple and easyly 41 be set or variation by force intensity by stirring a little of pulling piece 40; Packing degree in the time of can making the object locking is stable to meet the requirements; And the low processing cost of each member is made, and order is used object locking tamper, more accords with economic benefit.

That is according to the foregoing description, wherein, like Fig. 1, this load bearing seat 20 can squeeze the machine shaping on CNC computer lathe of type bar by the hexagonal metal; This screw piece 30 can be that conventional screw is made machine and made moulding; This pulling piece 40 can dash the type that causes by sheet metal on punch press; This overcoat 50 can be made moulding by sheet metal impact extrusion on punch press; Each member all causes type by the non-special tool mechanism of low processing cost, makes the production and the use of tamper bolt 10, very accords with economic benefit.

According to the foregoing description, wherein, like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, each of this pulling piece 40 stirs a little 41, will pull material when on the plate body surface, offering material hole 42 by punch press and press down and constitute; Only must be shaped that at that time material (hard) changes or plate of material body thickness or stir the some change of 41 appearance by pulling piece 40; What can be simple and easy obtain varying strength stirs a little 41; And can be according to stirring the some difference or the difference of 41 intensity; Produce the tamper bolt 10 of various coupling mechanism force specifications, select to use when supplying the object locking.

According to the foregoing description, wherein, like Fig. 1, Fig. 3, this overcoat 50, but be provided with the clip portion 52 that a plurality of bendings are out of shape at the opening end of hexagon jacket casing; Overcoat 50 is coated on load bearing seat 20 when outside, is to be out of shape in the bending of load bearing seat 20 bottom end by clip portion 52 to produce the folder fixation of pulling, and makes overcoat 50 firmly coat load bearing seats 20, and makes pulling piece 40 stable groups be located in the overcoat 50 by interlock.

More than explanation is just illustrative as far as the utility model; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from appended specification and limited and scope; Can make many modifications, variation or equivalence, but all will fall in the protection domain of the utility model.

Claims

1. a tamper bolt arrangement is characterized in that, includes a load bearing seat, a screw piece, a pulling piece and an overcoat; This load bearing seat is a hexagon block body, and the center has a perforation, a recess and a room with the kenel in step cutting pattern hole; This screw piece is that group is located on the load bearing seat, and passes perforation by the screw part of this screw piece, and the head of this screw piece is positioned in the recess, and make on the head to pull groove corresponding with room; This pulling piece, be one with the corresponding hexagon plate of load bearing seat body, the room that is provided in a side of the load bearing seat end face is outside, the plate body lower edge of this pulling piece in room, corresponding screw piece pull groove, have to embed more than one and pull stirring a little in the groove; This overcoat, be one with the corresponding hexagon jacket casing of load bearing seat body, be that to be coated on load bearing seat outside and constitute the edged surface that supplies wrench operated, and pulling piece be limited to an internal fixation; The screw part of screw piece passes load bearing seat and is used to be screwed in the screw of object outward; Through spanner the overcoat edged surface is done the switching operation; The twist motion that this pulling piece is done with overcoat can be changeed screw piece and comes object is locked by stirring a little to dial in the groove pulling of screw piece; When the locking of object reaches suitable pressing degree; Switching strength continues to apply on the spanner its external sleeve edged surface; This pulling piece continues revolution, utilize screw piece pull block masterpiece that groove produces certain degree be used in stir a little on, make and stir a quilt and squeeze to push away to destroy and be out of shape and leave and pull groove.

2. tamper bolt arrangement according to claim 1 is characterized in that each of this pulling piece is stirred a little, will pull when on the plate body surface, offering the material hole by punch press and expect to press down to constitute; Only must be shaped that at that time material changes or plate of material body thickness or stir the change of an appearance, can access when stirring of varying strength supplies object locking and select to use by pulling piece.

3. tamper bolt arrangement according to claim 1 is characterized in that, this overcoat is provided with a plurality of clip portions that can the bending distortion at the opening end of hexagon jacket casing; When overcoat is coated on the load bearing seat outside, be to be out of shape to produce in the bending of load bearing seat bottom end by clip portion to press from both sides the fixation of pulling, make overcoat firmly coat load bearing seat, and make the stable group of pulling piece be located in the overcoat by interlock.