CN201220389Y

CN201220389Y - Multifunction spanner

Info

Publication number: CN201220389Y
Application number: CNU2008201265067U
Authority: CN
Inventors: 邓伟超
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-26
Filing date: 2008-06-26
Publication date: 2009-04-15
Anticipated expiration: 2018-06-26

Abstract

The utility model discloses a multifunctional wrench. The wrench comprises a clamping component, a ratchet component and a handle. The clamping component is mainly composed of a sleeve, clamping rods, guide discs, an adjusting disc and a main spring, wherein the ratchet component is mainly composed of a ratchet, ratchet teeth and a rotating seat; a connecting disc is fixed at the back end of the sleeve of the clamping component; a transmission shaft which is arranged in the connecting disc penetrates the center of the ratchet component and is inserted in a clamping groove through a pressing plate for the limitation. The wrench has the advantages of compact structure, reliable performance, and portability. Furthermore, the wrench is convenient to use and facilitates the preservation.

Description

Multifunctional wrench

Technical field

The utility model relates to the instrument of the nut, screw or the bolt that are used for dismounting and have corner angle, exactly is spanner.

Background technology

Existing spanner is of a great variety, as open-end wrench, double offset ring spanner, monkey wrench, box spanner, torque spanner or the like, these spanners use fairly simple, be mainly used in the common life and work, be subjected to the restriction of clamping, adjusting, rotational structure, have a lot of places often inconvenient or be not suitable for using.

The utility model content

At the deficiency that existing spanner exists, the utility model aims to provide the multifunctional wrench that a kind of clamping is firm, easy to adjust and can rotate continuously.

The technical solution adopted in the utility model is:

A kind of multifunctional wrench, this spanner comprises clamp assemblies, ratchet assembly and handle, described clamp assemblies is mainly by sleeve, clamping bar, godet, adjustment disk and main spring are formed, the inner surface upper edge circumference of sleeve offers axial keyway equably, two godets are loaded on the rear and front end of sleeve respectively by the protruding key on its excircle, offer the radially guide groove that three roads extend to external radiation from the center of circle on it, adjustment disk is between two godets, offer three roads on it and outwards gradually open the arc guide barrel of extension from the center of circle, main spring is arranged between adjustment disk and the rear end godet, three clamping bars are threaded onto in the guide groove of godet and adjustment disk, offer on sleeve and the godet and be through to the radially radial direction through hole of guide groove, be provided with the auxiliary spring that supports clamping bar in it, the auxiliary spring outer end of each godet is spacing by the cranse in the liner ring connected in star, the sleeve both sides offer the adjustment hole that anterior hypotenuse is step, corresponding with the shifting block of adjustment disk both sides, described ratchet assembly is mainly by ratchet, ratchet and rotating seat are formed, ratchet is arranged in the endoporus of rotating seat, ratchet is arranged in the radial direction through hole of rotating seat and by little spring and supports, the spring outer end is spacing by garter spring, handle and rotating seat and garter spring are riveted together, the sleeve rear end of clamp assemblies is fixed with terminal pad, and it is spacing to insert draw-in groove at the other end by compressing tablet after the power transmission shaft on it passes ratchet assembly from the middle part.

The godet of described clamp assemblies rear end and terminal pad are integral structure.

Power transmission shaft cross section on the described terminal pad is polygon.

The rectangular triangle of adjustment hole of described sleeve both sides, its anterior hypotenuse is step.

Described shifting block is fixed in the breach of adjustment disk both sides.

Described clamping bar front end has the V-notch towards the sleeve center of circle.

The protruding certain distance of described clamping bar front end.

Described clamping bar is fin shape towards the front in the sleeve center of circle, back side semicircular in shape, and both sides are provided with and the godet corresponding plane of guide groove radially.

Described clamping bar afterbody has the limited block that both sides are the plane.

Described clamping bar is provided with the auxiliary spring bearing.

Described ratchet has four, is separately positioned on the rotating seat in equally distributed four square radial direction through hole.

Be provided with back-up ring between described compressing tablet and the ratchet.

The utility model utilizes three clamping bars in the middle of the sleeve to clamp screw (or nut, bolt) three angles, control distance between the clamping bar by adjustment disk, can clamp the screw of different model after the change size, the outstanding part of clamping bar front end can put in some not spacious local works in addition, in the time of no, handle can be dismantled together with ratchet assembly and clamp assemblies, conveniently to deposit, handle can two-wayly rotate, clockwise rotate handle when tightening, oppositely reset time the certain position and rotate again again, ratchet assembly can make handle when rotating counterclockwise, and the sleeve below guaranteeing does not and then rotate, thereby reaches the purpose that need not unclamp after clamping, can continued operation, till being screwed to tightly, unclamp screw if desired always, only the compressing tablet above the handle need be taken off, then handle is inserted installation together with ratchet assembly upset back again with compressing tablet, just can unscrew screw counterclockwise after clamping screw always.Have compact conformation, dependable performance, easy operating, carry, be convenient to beneficial effects such as preservation.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 removes structural representation behind the sleeve for the utility model;

Fig. 3 is a back of the present utility model schematic diagram;

Fig. 4 is the structural representation of sleeve;

Fig. 5 is the vertical view of Fig. 4;

Fig. 6 is the right view of Fig. 4;

Fig. 7 is the structural representation of adjustment disk;

Fig. 8 is the structural representation of godet;

Fig. 9 is the structural representation of terminal pad;

Figure 10 is the right view of Fig. 9;

Figure 11 is the schematic perspective view of clamping bar;

Figure 12 is the rear end schematic diagram of clamping bar;

Figure 13 is the front-end view of clamping bar;

The structural representation that Figure 14 matches with ratchet and little spring for ratchet;

Figure 15 is that ratchet, ratchet and little spring are installed in the structural representation in the rotating seat;

Figure 16 is the structural representation after the rotating seat outside is provided with garter spring.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail.

Description of reference numerals is as follows:

1---

sleeve

2,2 ', 2 "---radial direction through hole

3---annular groove 4---adjustment hole

5---adjustment disk 6---arc guide barrel

7---adjustment disk breach 8---godet

9---radially guide groove 10---back-up ring

11---terminal pad 12---power transmission shaft

13---draw-in groove 14---clamping bar

15---auxiliary spring bearing 16---plane

17---limited block 18---ratchet

19---rotating seat 20---ratchet

21---little spring 22---garter spring

23---handle 24---main spring

25---cranse 26---shifting block

27---compressing tablet 28---auxiliary spring

Shown in Fig. 4,5,6, the inner surface upper edge circumference of sleeve 1 offers axial keyway equably, offers radial direction through hole 2 and annular groove 3 on the outer surface, the adjustment hole 4 rectangular triangles of both sides, and its anterior hypotenuse is step.

Shown in Fig. 7,8,9,10, offer three roads on the adjustment disk 5 and outwards gradually open the arc guide barrel 6 of extension from the center of circle, both sides offer the fixedly breach 7 of shifting block, offer the radially guide groove 9 that three roads extend to external radiation from the center of circle on the godet 8, have protruding key on the excircle, and offer three be through to radially the radial direction through hole 2 of guide groove ', terminal pad 11 is solid disk body, consistent with the shape of godet, the cross section of its power transmission shaft 12 is hexagon, offers a circle draw-in groove 13 on the power transmission shaft.

Shown in Figure 11,12,13, the front end of clamping bar 14 has V-notch, so that the bight of clamp screws, the front of clamping bar is fin shape, back side semicircular in shape also is provided with auxiliary spring bearing 15, both sides are provided with and the godet corresponding plane 16 of guide groove radially, and afterbody has the limited block 17 that both sides are the plane, to guarantee that clamping bar can not rotate.

Shown in Figure 14,15,16, ratchet 18 is arranged in the endoporus of rotating seat 19, and four ratchets 20 are arranged on four square radial direction through hole 2 of rotating seat " in, and by little spring 21 supports; the spring outer end is spacing by garter spring 22, and handle 23 is riveted together with rotating seat 19 and garter spring 22.

As Fig. 1,2, shown in 3, two godets 8 are loaded on the rear and front end of sleeve 1 respectively by the protruding key on its excircle, adjustment disk 5 is between two godets, main spring 24 is arranged between adjustment disk and the rear end godet, three clamping bars 14 are threaded onto in the guide groove of godet and adjustment disk, its V-notch is towards the sleeve center of circle, the protruding certain distance of front end, the outer end of each godet auxiliary spring 28 is spacing by cranse 25, the adjustment hole 4 of sleeve both sides is corresponding with the shifting block 26 of adjustment disk both sides, terminal pad 11 is fixed on sleeve rear end, and it is spacing to insert draw-in groove at the other end by U-shaped compressing tablet 27 after its power transmission shaft 12 passes ratchet assembly from the middle part, is provided with back-up ring 10 between compressing tablet 27 and the ratchet 18.

The adjustment disk of this spanner can drive three clamping bars and draw in or outwards scatter to the centre when rotating; shifting block can be resisted against the different steps place of adjustment hole and locate under the elastic force effect of main spring; so that be complementary with the screw of different model; has multistage regulatory function; clamp assemblies is connected by compressing tablet with ratchet assembly; be easy to dismounting, with ratchet assembly together with the positive and negative installation of handle can continued operation with screw-driving or unclamp.

The utility model is not limited to above-mentioned preferred forms, and anyone can draw other various forms of products under enlightenment of the present invention.Though but on shape or structure, do any variation, every identical with the utility model or akin technical scheme is all within its protection domain.

Claims

1, a kind of multifunctional wrench, this spanner comprises clamp assemblies, ratchet assembly and handle, it is characterized in that, described clamp assemblies is mainly by sleeve, clamping bar, godet, adjustment disk and main spring are formed, the inner surface upper edge circumference of sleeve offers axial keyway equably, two godets are loaded on the rear and front end of sleeve respectively by the protruding key on its excircle, offer the radially guide groove that three roads extend to external radiation from the center of circle on it, adjustment disk is between two godets, offer three roads on it and outwards gradually open the arc guide barrel of extension from the center of circle, main spring is arranged between adjustment disk and the rear end godet, three clamping bars are threaded onto in the guide groove of godet and adjustment disk, offer on sleeve and the godet and be through to the radially radial direction through hole of guide groove, be provided with the auxiliary spring that supports clamping bar in it, the auxiliary spring outer end of each godet is spacing by the cranse in the liner ring connected in star, the sleeve both sides offer the adjustment hole that anterior hypotenuse is step, corresponding with the shifting block of adjustment disk both sides, described ratchet assembly is mainly by ratchet, ratchet and rotating seat are formed, ratchet is arranged in the endoporus of rotating seat, ratchet is arranged in the radial direction through hole of rotating seat and by little spring and supports, the spring outer end is spacing by garter spring, handle and rotating seat and garter spring are riveted together, the sleeve rear end of clamp assemblies is fixed with terminal pad, and it is spacing to insert draw-in groove at the other end by compressing tablet after the power transmission shaft on it passes ratchet assembly from the middle part.

2, multifunctional wrench according to claim 1 is characterized in that, the godet of described clamp assemblies rear end and terminal pad are integral structure.

3, multifunctional wrench according to claim 2 is characterized in that, the power transmission shaft cross section on the described terminal pad is polygon.

4, multifunctional wrench according to claim 1 is characterized in that, the rectangular triangle of adjustment hole of described sleeve both sides, and its anterior hypotenuse is step.

5, multifunctional wrench according to claim 1 is characterized in that, described clamping bar front end has the V-notch towards the sleeve center of circle.

6, multifunctional wrench according to claim 5 is characterized in that, the protruding certain distance of described clamping bar front end.

7, multifunctional wrench according to claim 6 is characterized in that, described clamping bar is fin shape towards the front in the sleeve center of circle, back side semicircular in shape, and both sides are provided with and the godet corresponding plane of guide groove radially.

8, multifunctional wrench according to claim 7 is characterized in that, described clamping bar afterbody has the limited block that both sides are the plane.

9, multifunctional wrench according to claim 8 is characterized in that, described clamping bar is provided with the auxiliary spring bearing.

10, multifunctional wrench according to claim 1 is characterized in that, described ratchet has four, is separately positioned on the rotating seat in equally distributed four square radial direction through hole.