CN208375142U

CN208375142U - A kind of telescopic spanner

Info

Publication number: CN208375142U
Application number: CN201820940745.XU
Authority: CN
Inventors: 谢秀丽; 李燕丽; 许玉阶
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-19
Filing date: 2018-06-19
Publication date: 2019-01-15
Anticipated expiration: 2028-06-19

Abstract

The utility model discloses a kind of telescopic spanners, extrusome including wrench body and with the wrench body expansion fit, the wrench body has interconnecting piece, it is driven by the interconnecting piece by lock body, it further include retaining mechanism, when the retaining mechanism is opened, the wrench body and the extrusome Telescopic movable, when the retaining mechanism is closed, the wrench body and the extrusome phase secure fit, and then realize the length variation of spanner, adapt to longer and narrower deep hole environment, using flexible, structure are simple, and are widely used.

Description

A kind of telescopic spanner

Technical field

The utility model relates to a kind of telescopic spanners.

Background technique

Current spanner is many kinds of, and common spanner clamping portion and wrench body cannot be sized, in long and narrow When bolt in deep hole needs elastic, need to realize using long spanner is specially matched, this spanner volume is larger to be not easy to take Band, and the bolt in different depth hole needs that people otherwise can be reduced when using spanner using the spanner for being adapted length Comfort level reduces the operating efficiency for using spanner.

Utility model content

The utility model is to solve the above problems, provide a kind of telescopic spanner.

To achieve the above object, the technical solution adopted in the utility model are as follows:

A kind of telescopic spanner, the extrusome including wrench body and with the wrench body expansion fit, the wrench body tool There is interconnecting piece, further includes retaining mechanism by interconnecting piece transmission by lock body, when the retaining mechanism is opened, the spanner Body and the extrusome Telescopic movable, when the retaining mechanism is closed, the wrench body and the extrusome phase secure fit.

Preferably, the wrench body is threadedly coupled cooperation with the extrusome, when the retaining mechanism is closed, the locking Mechanism limits to be relatively rotated between the wrench body and the extrusome, and then fixes the wrench body mutually with the extrusome Cooperation.

Preferably, the retaining mechanism includes limiting section and clamping portion, when the retaining mechanism is opened, the limiting section with The clamping portion mutually separates, and when the retaining mechanism is closed, the limiting section is mutually engaged by clamping with the detent portion.

Preferably, the limiting section is the limiting slot axially opened up along the wrench body, and the clamping portion is activity setting Fixture block on the extrusome.

Preferably, being arranged on the extrusome can be along the limit sleeve of the axial movement of the extrusome, the fixture block The elastic clamping hook that the limit sleeve is equipped with.

Preferably, the extrusome is equipped with the relief hole stepped down to the elastic clamping hook, and the retaining mechanism is closed When, the elastic clamping hook passes through the relief hole and is caught in the limiting slot.

Preferably, the elastic clamping hook is equipped with guiding surface between the relief hole, and then on the limit sleeve edge When axial movement, the elastic clamping hook moves radially and then is caught in or exits the limiting slot.

Preferably, the extrusome is equipped with the through-hole radially opened up far from one end of the wrench body, and a torsion bar can live Dynamic is arranged in the through-hole, and the torsion bar both ends are respectively equipped with the anticreep salient point with through-hole edge limit.

Preferably, the wrench body is equipped with externally threaded screw rod, and the extrusome is to set internal thread pipe fitting, described Wrench body is threadedly coupled cooperation with the internal screw thread by the external screw thread with the extrusome.

Preferably, it is described by lock body be hex nut, the interconnecting piece is the hexagonal being meshed with the hex nut shape Connector.

The beneficial effects of the utility model are:

1. a kind of telescopic spanner of the utility model adjusts the movement between wrench body and extrusome by retaining mechanism Relationship, when the retaining mechanism is opened, the wrench body and extrusome retractable are realized the length variation of spanner, can be fitted Longer and narrower deep hole environment is answered, when the retaining mechanism is closed, the wrench body is in the lock state with extrusome, and then is driven Interconnecting piece, which drives, realizes elastic adjusting by lock body, using flexible, simple, carries more convenient, is widely used.

2. the extrusome is equipped with the through-hole radially opened up far from one end of the wrench body, a torsion bar is mobilizable to be worn In the through-hole, and the torsion bar both ends are respectively equipped with the anticreep salient point with through-hole edge limit, in use, logical It crosses and moves torsion bar to adjust torsion, use is more labor-saving.

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model Improper restriction.In the accompanying drawings:

Fig. 1 is a kind of exploded view of telescopic spanner of the utility model；

Fig. 2 is a kind of perspective view of the limit sleeve of telescopic spanner of the utility model；

Fig. 3 is a kind of perspective view of the wrench body of telescopic spanner of the utility model；

Fig. 4 is a kind of perspective view of the retaining mechanism closed state of telescopic spanner of the utility model；

Fig. 5 is a kind of cross-sectional view of the retaining mechanism closed state of telescopic spanner of the utility model；

Fig. 6 is the enlarged drawing in Fig. 5 at A；

Fig. 7 is a kind of perspective view of the retaining mechanism open state of telescopic spanner of the utility model；

Fig. 8 is a kind of cross-sectional view of the retaining mechanism open state of telescopic spanner of the utility model；

Enlarged drawing in Fig. 9 Fig. 8 at B.

Specific embodiment

In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein Example is applied only to explain the utility model, is not used to limit the utility model.

As shown in Figures 1 to 9, a kind of telescopic spanner, including wrench body 10 and with 10 expansion fit of wrench body Extrusome 20, the wrench body 10 have interconnecting piece 11, are driven by the interconnecting piece 11 by lock body (not shown), the present embodiment In, it is described by lock body be hex nut, the interconnecting piece 11 be the hex union being meshed with the hex nut shape, by turn Wrench makes interconnecting piece 11 be driven hex nut rotation to be unscrewed or be screwed, and further includes retaining mechanism, the locking machine When structure is opened, the wrench body 10 and 20 Telescopic movable of extrusome, when the retaining mechanism is closed, the wrench body 10 With the 20 phase secure fit of extrusome.

In the present embodiment, the wrench body 10 is threadedly coupled cooperation with the extrusome 20, when the retaining mechanism is closed, The retaining mechanism limits to be relatively rotated between the wrench body 10 and the extrusome 20, and then makes the wrench body 10 and institute State 20 phase secure fit of extrusome.

In the present embodiment, the retaining mechanism includes limiting section and clamping portion, when the retaining mechanism is opened, the limit Portion is mutually separated with the clamping portion, and when the retaining mechanism is closed, the limiting section is mutually engaged by clamping with the detent portion, described Limiting section is the limiting slot 12 axially opened up along the wrench body 10, and the clamping portion is to be movably set on the extrusome 20 Fixture block.

In the present embodiment, the fixture block is the elastic clamping hook 32 that the limit sleeve 30 is equipped with, and the limit sleeve 30 passes through Sliding sleeve 31 be arranged on extrusome 20, and can be along the axial movement of the extrusome 20, the extrusome 20 is equipped with to the bullet Property the relief hole 21 stepped down of hook 32, when the retaining mechanism is closed, the elastic clamping hook 32 passes through the relief hole 21 It is caught in the limiting slot 12, specifically, the elastic clamping hook 32 is equipped with guiding surface 33 between the relief hole 21, in turn When the limit sleeve 30 is axially moveable, drives the elastic clamping hook 32 to move radially and be caught in or exit the limiting slot 12, specifically, elastic clamping hook 32 is equipped with the guiding surface 33.

In the present embodiment, the extrusome 20 is equipped with the through-hole 22 radially opened up far from one end of the wrench body 10, One torsion bar 40 is mobilizable to be arranged in the through-hole 22, and 40 both ends of the torsion bar are respectively equipped with and 22 edge of through-hole The anticreep salient point 41 of limit.

In the present embodiment, the wrench body 10 is equipped with externally threaded screw rod, and the extrusome 20 is to set internal thread Pipe fitting, the wrench body 10 is threadedly coupled cooperation with the internal screw thread by the external screw thread with the extrusome 20, when described When retaining mechanism is closed, the wrench body 10 can not carry out telescopic moving by being threadedly coupled with extrusome 20, be allowed to fixation and match It closes, and then can be used as spanner use, when the retaining mechanism is opened, the wrench body 10 can be connected with extrusome 20 by screw thread Row telescopic moving is tapped into, at this time adjustable spanner length.

When adjusting, the sliding sleeve 31 is lifted axially upward, and sliding sleeve 31 drives elastic clamping hook 32 to move up, elastic clamping hook 32 are moved radially outwards in guiding surface 33 and 21 edge mate of relief hole, and then exit the limiting slot 12, the spanner Body 10 and extrusome 20 can be connected through a screw thread carry out telescopic moving, at this time adjustable spanner length；

In use, pushing the sliding sleeve 31 axially downward, sliding sleeve 31 drives elastic clamping hook 32 to move down, and in bullet Property hook 32 reset force effect under be caught in the limiting slot 12 so that can not be opposite between the wrench body 10 and extrusome 20 Secure fit is realized in rotation, to be unscrewed or be screwed to by lock body.

The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this is practical new Type is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various other groups Conjunction, modification and environment, and above-mentioned introduction or the technology of related fields can be passed through within the scope of the inventive concept described herein Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then It all should be in the protection scope of the appended claims for the utility model.

Claims

1. a kind of telescopic spanner, which is characterized in that the extrusome including wrench body and with the wrench body expansion fit, it is described Wrench body has interconnecting piece, further includes retaining mechanism by interconnecting piece transmission by lock body, when the retaining mechanism is opened, The wrench body and the extrusome Telescopic movable, when the retaining mechanism is closed, the wrench body and the extrusome phase Secure fit.

2. a kind of telescopic spanner according to claim 1, which is characterized in that the wrench body and the extrusome screw thread Connection cooperation, when the retaining mechanism is closed, the retaining mechanism limits opposite between the wrench body and the extrusome turn It is dynamic, and then make the wrench body and the extrusome phase secure fit.

3. a kind of telescopic spanner according to claim 1, which is characterized in that the retaining mechanism includes limiting section and card Socket part, when the retaining mechanism is opened, the limiting section is mutually separated with the clamping portion, described when the retaining mechanism is closed Limiting section is mutually engaged by clamping with the clamping portion.

4. a kind of telescopic spanner according to claim 3, which is characterized in that the limiting section is along the wrench body axis To the limiting slot opened up, the clamping portion is the fixture block being movably set on the extrusome.

5. a kind of telescopic spanner according to claim 4, which is characterized in that being arranged on the extrusome can be along described The limit sleeve of the axial movement of extrusome, the fixture block are the elastic clamping hook that the limit sleeve is equipped with.

6. a kind of telescopic spanner according to claim 5, which is characterized in that the extrusome is equipped with to the elastic card The relief hole stepped down is hooked, when the retaining mechanism is closed, the elastic clamping hook passes through the relief hole and is caught in the limit Slot.

7. a kind of telescopic spanner according to claim 6, which is characterized in that the elastic clamping hook with the relief hole Between be equipped with guiding surface, and then when the limit sleeve is axially moveable, the elastic clamping hook is moved radially and then is caught in Or exit the limiting slot.

8. according to claim 1 to a kind of telescopic spanner described in 7 any one, which is characterized in that the extrusome is separate One end of the wrench body is equipped with the through-hole radially opened up, and a torsion bar is mobilizable to be arranged in the through-hole, and described Torsion bar both ends are respectively equipped with the anticreep salient point with through-hole edge limit.

9. according to claim 1 to a kind of telescopic spanner described in 7 any one, which is characterized in that the wrench body is to set There is externally threaded screw rod, the extrusome is to set internal thread pipe fitting, and the wrench body and the extrusome pass through outside described Screw thread is threadedly coupled cooperation with the internal screw thread.

10. according to claim 1 to a kind of telescopic spanner described in 7 any one, which is characterized in that it is described by lock body be six Angle nut, the interconnecting piece are the hex union being meshed with the hex nut shape.