CN200957539Y

CN200957539Y - Spanner structure for detaching tyre

Info

Publication number: CN200957539Y
Application number: CN 200620015101
Authority: CN
Inventors: 谢智庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-30
Filing date: 2006-09-30
Publication date: 2007-10-10
Anticipated expiration: 2016-09-30

Abstract

The utility model discloses a wrench structure for tyre demounting which comprises a handle, a grasp part which is provided at one end of the handle, a bent pipe which is connected with the other end of the handle, a socket joint member which is in rotary connection with the bent pipe, a socket joint which is arranged at one end of the socket joint member, a ratchet part which is arranged at the other end of the socket joint member and an elastic return retainer block which meshes with the ratchet part. The double direction reciprocal returning mode of wrenching in design of making the ratchet part of the socket joint member mesh with the retainer block, can quickly mount and demount a tyre to make the operation easier and faster.

Description

The spanner structure of detaching tyre

Technical field

The utility model relates to a kind of spanner, especially relates to a kind of spanner structure of detaching tyre.

Background technology

At present, the lock of general tire and automobile, unload and to use general spanner or box spanner, reason is: nut is located in the wheel rim surface groove, so no doubt have way sheathed with box spanner socket sleeve, handle then can be fit-state with the wheel rim surface, then comparatively difficult on the application of force, when being provided with the concave, convex moulding, the wheel rim surface hinders the key of box spanner start especially, therefore if add, about the lock between tire and car body, unload hand-held tool, only can utilize the use can be for the bend pipe spanner of sleeve socket.

The bend pipe spanner that existing detaching tyre is used is that lever front end vertical (or inclination) is bent into a bend loss, and the bend loss front end is provided with one or four jiaos of socket posts, for the sleeve socket, the lock that utilizes this sleeve to penetrate again to carry out nut in the wheel rim groove, unloads.

Yet, bend pipe spanner except the garage uses, also attached giving in the kit of maintenance when buying automobile, purpose provides to drive can change voluntarily when friend blows out that the spare tyre gram is difficult to be used.Blow out in generally travelling when changing spare tyre, utilize jack that car body is risen, allow tire slightly built on stilts be easy group, the vacant state torn open; But how only to design with the difficult formula jack of the attached gram given of car collapsing length and enough car body to be risen to the limited range of tire built on stilts, otherwise, the handle of bend pipe spanner then adopts long design, purpose is to increase " executing arm " length, can more laborsaving mode reach the nut lock, unload purpose, and obtain bigger switching torsion, to guarantee the security of galloping.

Therefore, detaching tyre when blowing out, often for fear of jack rising the distance limited, add that bend pipe pulls force arm long two big factors, cause nut lock, unload turn to half or three/for the moment, handle promptly can contact with ground so need withdraw from earlier, reset, be inserted in lock, be unloaded nut by the wheel rim surface groove again again, certainly will need thus the repetition above-mentioned steps repeatedly can reach nut lock, unload target.It is too consuming time that the lock of existing bend pipe spanner unloads operation, for the modern who seizes every minute and second, do not applied and used; So, how to reach and make outside the preferable switching torsion of the bend pipe spanner tool function, can have concurrently fast again and lock, unload, then one of R﹠D direction of focusing at present for the hand-held tool industry.

The utility model content

Technical problem to be solved in the utility model is to overcome existing detaching tyre tool wrench defective too consuming time, and a kind of spanner structure of detaching tyre fast is provided.

For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of spanner structure of detaching tyre, comprise one handle, described handle one end is provided with a grip part, the other end is equipped with a bent portion, and this bent portion connects with rotary way and establishes a Coupling, and this Coupling one end is provided with the socket part, the other end is provided with ratchet part, but the engagement of a clipping block of ratchet part and elastic reset.

More specifically, described bent portion extended spot is provided with a switching switch.

More specifically, described bent portion and Coupling joint are provided with a block holding part, and this block holding part wears the perforating of a switching switch.

More specifically, in the described block holding part rotating part is set and interlock one is taken turns portion, by stirring change-over switch interlock rotating part and wheel portion, and controls this clipping block, form a two-way ratchet type pipe crimping spanner.

More specifically, the described portion of wheel is arranged with one for the ccontaining groove of clipping block.

More specifically, the two ends of described clipping block are provided with the first tooth portion and the second tooth portion, and the face formation angle that clipping block corresponds to groove is two inclined-planes at obtuse angle.

More specifically, described rotating part one end dwindles formation can be for a socket axle of wheel portion socket, and this socket axle lateral margin is arranged with a groove.

More specifically, a control module is set between described clipping block and groove, this control module is made up of a steel ball and an elastomer, and this elastomer is arranged in the groove of socket axle.

Compared with prior art, the utlity model has following beneficial effect: the utility model provides a kind of spanner structure of detaching tyre, Coupling one end of this spanner structure forms a ratchet part, this ratchet part also meshes with a clipping block, the design but the ratchet part of user's Coupling and clipping block are meshing with each other, the effect that makes bend pipe spanner tool two-way reset rotate is reached faster the tire lock, is unloaded operation, makes the user simpler and easy, quick in use.

Description of drawings

Fig. 1 is the perspective exploded view of the spanner structure of the utility model detaching tyre;

Fig. 2 is the profile of the spanner structure of the utility model detaching tyre;

Fig. 3 is the sectional perspective schematic diagram of the spanner structure of the utility model detaching tyre;

Fig. 4 is the three-dimensional appearance schematic diagram of the spanner structure of the utility model detaching tyre;

Fig. 5 is the switching beginning action schematic diagram of the spanner structure of the utility model detaching tyre;

Fig. 6 is the action schematic diagram of the spanner structure of the utility model detaching tyre.

The specific embodiment

The utility model relates to a kind of spanner structure of detaching tyre, please refer to Fig. 1 to shown in Figure 4, this spanner 1 mainly comprises a suitably long hollow tubular handle 10, the extended spot of this handle 10 is connected with a Coupling 11, and that portion 13 can be taken turns for a rotating part 12 and in handle 10 extended spots and Coupling 11 inside is ccontaining.

These handle 10 1 end surfaces are arranged with the soft toggle grip part 14 of front end tool retaining edge 141, and other end setting and the handle 10 with respect to grip part 14 is a bent portion 15 of presetting angle on the handle 10, the block holding part 151 that bent portion 15 and these Coupling 11 joints have hollow, these block holding part 151 lateral margins wear a perforating 1511, block holding part 151 outer sheathed ring plates 16, and this ring plate 16 tools one hole 161.One end of described Coupling 11 is provided with the socket part 111 of a quadrangular prism shape, but can be for big small sleeve with assembling and dismantling mode pivot bush unit, as shown in Figure 6.The other end of this Coupling 11 be provided with one with a ratchet part 112 of these block holding part 151 corresponding sizes, these ratchet part 11 2 inner edges have the ratchet 1121 of ring-type, the axle center of Coupling 11 is arranged with a hole slot 113, and is mutually sheathed with this rotating part 12.Described rotating part 12 1 ends dwindle and form can be for a socket axle 121 of wheel portion 13 sockets, these socket axle 121 lateral margins are arranged with a groove 1211, rotating part 12 lateral margins are provided with one and switch switch 122, this change-over switch 122 can be placed in the perforating 1511 of block holding part 151, and be arranged in the hole 161 of ring plate 16, change-over switch 122 can be exposed to outside the ring plate 16.An axis hole 131 is run through in described axle center of taking turns portion 13, to be socketed on this socket axle 121, wheel portion 13 lateral margins are arranged with a groove 132 that is connected with axis hole 131, this groove 132 can be ccontaining for a clipping block 17, the two ends of this clipping block 17 are provided with the first tooth portion 171 and the second tooth portion 172, and it is two inclined-planes 173 at obtuse angle that the mask that clipping block 17 corresponds to groove 132 has angle.132 of clipping block 17 and grooves are provided with a control module 18, this control module 18 is made up of a steel ball 181 and an elastomer 182, and this elastomer 182 is arranged in the groove 1211 of socket axle 121, by rotating this change-over switch 122 and then swing control module 18, make clipping block 17 can be the deflection of different directions, by the ratchet 1121 that fastens ratchet part 112, make this body 1 have the effect that two-wayly to pull.

The utility model in use, please refer to Fig. 5 and shown in Figure 6, with described socket part 111 cover unification sleeves 2, allot change-over switch 122, make it drive control module 18 and on the inclined-plane 173 of clipping block 17, move, and this clipping block 17 will produce the phenomenon of deflection, when the first tooth portion 171 is resisted against ratchet 1121, by being harmonious of the first tooth portion 171 and ratchet 1121 driving Coupling 11 and sleeve 2, make screw tightening 3 can turn clockwise spiral shell admittedly, and this moment, the second tooth portion 172 was not resisted against ratchet 1121; When handle 10 turns to when fastening bar, only need again with handle 10 backward rotation, can force the first tooth portion 171 to jump teeth, can reach handle 10 and reset and continue the switching effect; If desire to remove screw tightening 3, then allot change-over switch 122 toward other direction, the second tooth portion 172 will be resisted against ratchet 1121 this moment, can screw tightening 3 be removed by pulling body 1.The utility model can be exempted complexity, defective consuming time that the cover card screw tightening 3 that need take out, reset when bend pipe spanner turns to predetermined angle again continues switching like this by two-way change-over switch 122 is set in the block holding part 151, makes use simpler and easy, quick.

Claims

1, a kind of spanner structure of detaching tyre, comprise one handle, described handle one end is provided with a grip part, the other end is equipped with a bent portion, it is characterized in that: this bent portion connects with rotary way and establishes a Coupling, this Coupling one end is provided with the socket part, and the other end is provided with ratchet part, but the engagement of a clipping block of ratchet part and elastic reset.

2, the spanner structure of detaching tyre according to claim 1 is characterized in that: described bent portion extended spot is provided with one and switches switch.

3, the spanner structure of detaching tyre according to claim 2 is characterized in that: described bent portion and Coupling joint are provided with a block holding part, and this block holding part is equipped with a perforating that supplies change-over switch to be installed with.

4, the spanner structure of detaching tyre according to claim 3, it is characterized in that: in the described block holding part rotating part is set and interlock one is taken turns portion, by stirring change-over switch interlock rotating part and wheel portion, and control this clipping block, form a two-way ratchet type pipe crimping spanner.

5, the spanner structure of detaching tyre according to claim 4 is characterized in that: the described portion of wheel is arranged with one for the ccontaining groove of clipping block.

6, the spanner structure of detaching tyre according to claim 4 is characterized in that: the two ends of described clipping block are provided with the first tooth portion and the second tooth portion, and it is two inclined-planes at obtuse angle that the mask that clipping block corresponds to groove has angle.

7, the spanner structure of detaching tyre according to claim 6 is characterized in that: described rotating part one end dwindles and form can be for a socket axle of wheel portion socket, and this socket axle lateral margin is arranged with a groove.

8, the spanner structure of detaching tyre according to claim 7 is characterized in that: a control module is set between described clipping block and groove, and this control module comprises a steel ball and an elastomer, and this elastomer is arranged in the groove of socket axle.