CN2933730Y

CN2933730Y - Pull-out spanner for processing chamfering bolt

Info

Publication number: CN2933730Y
Application number: CN 200620117636
Authority: CN
Inventors: 李锡勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-30
Filing date: 2006-05-30
Publication date: 2007-08-15
Anticipated expiration: 2016-05-30

Abstract

The utility model relates to a dismounting spanner to deal with cap bolt, particularly to a dismounting spanner which is applicable to different bolts, with good fastening and positioning nature. The product is composed of a switching sleeve, a pseudaxis and a locking part. The pserdaxis is inserted into the end of the switching sleeve, while a containing arc groove showing as semi-circle is formed at one side of the pseudaxis, and the locking part opposed to an arc support surface is positioned in the containing arc groove, a inclined cone section is formed at the front end of the pseudaxis and locking part, and a flexible part is positioned to support the surrounding edge of the locking part and the pseudaxis to make a clamp side edge generate out of the edge of the pseudaxis at one side of the locking part. Through the above design, when the pseudaxis with locking part is inserted into the inner club bolt or a the crosshead bolt, the clamp side edge outstand of the locking part can be used to lock the corresponding corner or groove to improve the locking efficiency, and assist to dismount the cap bolt.

Description

Handle the spanner that withdraws from of cap bolt

Technical field

The utility model is to be subordinate to a kind ofly in order to handle the technical field of cap bolt, particularly is meant the spanner that withdraws from of the good and applicable different types bolt of a kind of clip polarization.

Background technology

Press, bolt is the part of a kind of confession in conjunction with fixed object, it is in response to the needs of environment with different demands, bolt head can be divided into the hexagon-headed bolt of folder jaw or sleeve operation, the Phillips head bolts that drives for the hexagon socket head cap screw of die nut operation or for cross driver etc., and wherein hexagon socket head cap screw and Phillips head bolts as because of long-time repeated rotation or because of factors such as reaction force are excessive, and when producing its inner hexagonal hole or cross recess, can cause the general spanner of origin operation can't withdraw from the problem of this bolt because of the wearing and tearing chamfering.

And when hexagon socket head cap screw or Phillips head bolts can't withdraw from because of chamfering; generally be that bolt is sawed-off; and hole in bolt body of rod end face; withdraw from the drawer interlock again; it is right because bolt has certain rigidity; no matter it is sawed-off or boring is processed all very difficult; and trouble; moreover be locked on the practice that withdraws from the hole with drawer; regular meeting is because of effective clip; and cause the situation that withdraws from failure, essential constantly repetitive operation, even cause bolt further to be packed in the interior phenomenon of screw; therefore be necessary to develop a kind of spanner that withdraws from easily, come rapidly; and effectively handle and withdraw from the bolt of chamfering.

Edge is, this creator withdraws from difficult problem at above-mentioned existing hexagon socket head cap screw and Phillips head bolts deeply to inquire into after chamfering, and actively seek solution, research and development through long-term endeavour, the spanner that withdraws from of developing the processing cap bolt of success finally, it can effectively overcome the problem that in the past can't effectively withdraw from bolt, and can be for the bolt that applies to different types.

The utility model content

Therefore, the utility model main purpose is to provide a kind of spanner that withdraws from of handling cap bolt, to allow the user can be rapidly and effectively withdraw from the bolt of chamfering.

Moreover another main purpose of the present utility model is to provide the spanner that withdraws from of a processing cap bolt, for the bolt that is applicable to different types.

For this reason, the utility model mainly is by following technological means, comes aforesaid purpose of specific implementation and usefulness:

A kind of spanner that withdraws from of handling cap bolt of the utility model, it includes a switching sleeve, a cover sympodium and a clamping piece and forms; It is characterized in that:

The corresponding cover of sleeve sympodium one end of wherein transferring is formed with a cerioid conjugate foramen, and the arbitrary inner face of conjugate foramen is formed with heavy expansion groove, and corresponding cover sympodium front end is formed with the oblique conical section of bringing together, overlap sympodium again and be formed with ccontaining arc groove together in the surface that correspondence expands groove, cover sympodium corresponding switching sleeve one end also is formed with a joining section, this joining section can corresponding be intercalated in the conjugate foramen of switching sleeve, moreover the cover sympodium is formed with a profile groove that laterally runs through ccontaining arc groove on joining section;

Aforementioned clamping piece is to be located in the ccontaining arc groove of cover sympodium, this clamping piece root edge forms corresponding arc contact face, overlap again to shore between sympodium edge and profile groove bottom surface and be provided with an elastic component, this elastic component is replaced clamping piece, allow clamping piece upwards overturn by ccontaining relatively arc groove, and outstanding formation fastens lateral margin, and the clamping piece leading portion is formed with the oblique conical section of bringing together of corresponding cover sympodium oblique conical section again.

Wherein, the elastic component of clamping piece is the compression spring.

Wherein, the crooked shell fragment that is formed in one of the elastic component of clamping piece.

The beneficial effects of the utility model are:

See through representing of aforementioned techniques means, when allowing the cover sympodium of the utility model tool clamping piece embed the hexagon socket head cap screw of chamfering or Phillips head bolts, can utilize clamping piece outstanding fasten the lateral margin clip in corresponding corner or draw-in groove, to promote its clip effect, and then can assist to withdraw from the bolt of chamfering, and can increase its surcharge, and promote competitiveness of product and economic benefit.

Description of drawings

For making the auditor can further understand formation of the present utility model, feature and other purpose; below be to lift some preferred embodiments of the present utility model; and conjunction with figs. describes in detail as after; allow simultaneously and be familiar with this technical field person and can specifically implement; thought the following stated; only be to illustrate preferred embodiment of the present utility model; be not in order to limit scope of the present utility model; so all have based on spirit of the present utility model; and be any type of modification of the utility model or change; the category that all must belong to the protection of the utility model intention, wherein:

Fig. 1 is the perspective exploded view that the utility model withdraws from spanner, in order to formation and the relativeness thereof that each primary clustering is described.

Fig. 2 is the three-dimensional appearance schematic diagram that the utility model withdraws from spanner, and it shows the aspect after the utility model is formed.

Fig. 3 is the sectional perspective cut-away diagram that the utility model withdraws from spanner.

Fig. 4 is the sectional schematic diagram that the utility model withdraws from spanner, with the state of explanation elastic component ejection clamping piece.

Fig. 5 is the planar gesture schematic diagram that the utility model withdraws from the spanner practice, applies to the aspect of hexagon socket head cap screw in order to it to be described.

Fig. 6 is another actual use reference view that the utility model withdraws from spanner, applies to the aspect of Phillips head bolts so that it to be described.

Fig. 7 is the section action schematic diagram that the utility model withdraws from spanner the 6th figure.

The specific embodiment

The utility model is a kind of spanner that withdraws from order to the bolt of handling chamfering, see also Fig. 1, shown in Figure 2, it includes a switching sleeve 10, a cover sympodium 20 and a clamping piece 25 and forms, wherein overlap sympodium 20 and be embedded at switching sleeve 10 1 ends, and switching sleeve 10 end in addition is formed with a socket end 11, for the start of pulling such as the embedding that utilizes ratchet sleeve spanner or open-end wrench or double offset ring spanner or bottle opener action bars 30, the utility model is a main embodiment with the bottle opener action bars 30 of the corresponding sleeving connecting rod 35 of tool;

And about the detailed formation of the utility model preferred embodiment, then be as Fig. 1, Fig. 2 and Fig. 3 disclose, switching sleeve 10 is formed with a conjugate foramen 15 for cover sympodium 20 build-ins, this conjugate foramen 15 is that to be hexagonal poroid, and conjugate foramen 15 a wherein medial margin is formed with darker expansion groove 16, moreover cover sympodium 20 front ends of hexagonal column are formed with the oblique conical section of bringing together 21, and cover sympodium 20 is formed with the ccontaining arc groove 22 that is the semicircle section together in the side surface that correspondence expands groove 16, overlap sympodium 20 corresponding switching sleeve 10 1 ends again and be formed with a joining section 23, this joining section 23 can corresponding be intercalated in the conjugate foramen 15 of switching sleeve 10, moreover cover sympodium 20 is formed with a profile groove 24 that laterally runs through ccontaining arc groove 22 on joining section 23;

Moreover aforementioned clamping piece 25 is to be located in the ccontaining arc groove 22 of cover sympodium 20, these clamping piece 25 root edges form the arc contact face 26 of corresponding ccontaining arc groove 22, moreover clamping piece 25 edges protrude out the curved elastic component 27 of an arc in profile groove 24 place's one of correspondence cover sympodium 20, this elastic component 27 can be resisted against profile groove 24 bottom surface (Fig. 3, shown in Figure 4), allow the edge of clamping piece 25 tool elastic components 27 upwards overturn by ccontaining relatively arc groove 22, make clamping piece 25 edges slightly protrude cover sympodium 20, fasten lateral margin 29 and form one, again clamping piece 25 front ends be formed with one with the cover sympodium 20 oblique conical sections 21 corresponding oblique conical sections of bringing together 28;

Thus, group constitutes the spanner structure that withdraws from of clip processing cap bolt certain and applied widely.

As for the utility model in practice, it can apply to the hexagon socket head cap screw 50 of different size, as shown in Figure 5, when the inner hexagonal hole 55 of hexagon socket head cap screw 50 can't withdraw from normal die nut because of corner 56 chamferings, the spanner that withdraws from of the present utility model can be intercalated in the inner hexagonal hole 55 of this bolt 50 with cover sympodium 20, because the clamping piece 25 of cover sympodium 20 is subjected to the influence of elastic component 27 pushing and pressing, make the periphery that lateral margin 29 can be given prominence to cover sympodium 20 that fastens of clamping piece 25 correspondences, and then utilize this to fasten the corner 56 of lateral margin 29 clips in inner hexagonal hole 55 correspondences, and cover sympodium 20 other abutment faces also paste the corresponding side face that is butted on inner hexagonal hole 55, so get final product certain clip, and can effectively withdraw from bolt, very convenient in the use, and really.

The utility model also can apply to Phillips head bolts 60 in addition, as Fig. 6, what Fig. 7 disclosed, when the cross recess 65 of Phillips head bolts 60 can't withdraw from normal bottle opener because of chamfering, can the oblique conical section 21 of spanner with cover sympodium 20 and clamping piece 25 will be withdrawed from, 28 are intercalated in the cross recess 65 of this Phillips head bolts 60, because the clamping piece 25 of cover sympodium 20 is subjected to the influence of elastic component 27 pushing and pressing, make the periphery that lateral margin 29 can be given prominence to cover sympodium 20 that fastens of clamping piece 25, and then utilization fastens the arbitrary draw-in groove 66 of lateral margin 29 clips in cross recess 65, so clip that can be certain is to withdraw from this Phillips head bolts 66, except that having aforesaid advantage and practical value, and further but this utility model is applicable to and the bolt of different types formula increases its surcharge and product competitiveness.

The utility model embodiment more in addition, it is that its cover sympodium 20 is formed with a profile groove 24 that laterally runs through ccontaining arc groove 22 on joining section 23, overlap sympodium 20 again and in profile groove 24, be provided with an elastic component 27, this elastic component 27 can be the compression spring, and elastic component 27 can be resisted against the lateral margin of clamping piece 25, allow clamping piece 25 can be ccontaining relatively arc groove 22 upwards upset form and fasten lateral margin 29.

In sum, the utility model is a novel progressive creation really, does not see identical or approximate product public use in identical technical field, so the utility model has met the condition of creating patent, so file an application in accordance with the law.

Claims

1, a kind of spanner that withdraws from of handling cap bolt, it includes a switching sleeve, a cover sympodium and a clamping piece and forms; It is characterized in that:

As the spanner that withdraws from of claim 1 a described processing cap bolt, it is characterized in that 2, wherein, the elastic component of clamping piece is the compression spring.

3, as the spanner that withdraws from of claim 1 a described processing cap bolt, it is characterized in that, wherein, the crooked shell fragment that the elastic component of clamping piece is formed in one.