CN2447113Y

CN2447113Y - Improved structure of dual-purpose speeder wrench

Info

Publication number: CN2447113Y
Application number: CN 00245714
Authority: CN
Inventors: 杨颜惠雯
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-08-04
Filing date: 2000-08-04
Publication date: 2001-09-12
Anticipated expiration: 2010-08-04

Abstract

The utility model relates to an improved structure of dual-purpose rapid wrench in a positive direction and a reverse direction. A first sheathing part and a second sheathing part are symmetrically formed in a sleeve opening of the utility model, wherein the first sheathing part is orderly wrenched and sheathed with predetermined workpieces in a positive direction, and the second sheathing part is orderly wrenched and sheathed with predetermined workpieces in a reverse direction. The workpieces are directly slid and sheathed between the first sheathing part and the second sheathing part, namely that the sleeve opening and the workpieces do not need to be separated when the wrench sleeve opening of the utility model is orderly locked and disassembled with the workpieces. The wrench can be directly used for dual purposes in a positive direction and a reverse direction without being turned over.

Description

A kind of just, the contrary dual-purpose speeder wrench structure-improved of direction

The utility model is about just a kind of, the contrary dual-purpose speeder wrench structure-improved of direction, more specifically it, mat is formed with the first fit portion and the second fit portion with symmetrical kenel in running-on, wherein, this first fit portion is and the forward fit switching that carries out of predetermined work spare, the mat second fit portion then with the reverse fit switching that carries out of predetermined work spare, and make work package directly in first, slippage and fit between two fit portions, that is, the utility model spanner running-on and work package carry out " sealed " reach " pine is unloaded " switching when running, running-on need not to separate with work package, and spanner need not just promptly be able to directly conduct by turn-over, contrary direction is dual-purpose, therefore, easy quite smoothly in the operation.

With regard to the made spanner of establishing of present industrial circle, can past, multiple switching lock, unload work package (nut, screw) if desire to reach, common spanner kenel, be as shown in Figure 1, this is " the reciprocating type open-end wrench structure " of Taiwan patent announcement case number No. 293299, the folder mouth 11 (jaw) of this spanner 10 and predetermined work spare 12 (as screw terminal or nut etc.) be mutually after the clamping, is sealed or loose the unloading of switching of work package 12 of being carried out;

See also Fig. 2, shown in Figure 3, this numbers No. 342761 " the improvement structure of reciprocating type spanner " for public gulf patent announcement, it mainly is the running-on 13 that a closed circular is arranged in spanner 10 head internal shapings, make sandwich part 131 that the operator is able to this magnetic mouth 13 of mat and predetermined work spare 12 (as screw terminal or nut etc.) mutually fit with the switching of the work of carrying out sealed or loose unloading;

Above-mentioned known reciprocating type spanner 10, though the reciprocating type switching running (that is operating process need not separate running-on with work package for several times) that all can carry out, and have much with practical value, yet, still have in its operation and manage part not to the utmost, for example:

When the running-on 11 and the work package 12 of this known spanner 10 carries out fit " sealed " switching, be to carry out as Fig. 1 fit kenel shown in Figure 3, but when " pine is unloaded " of the work package 12 that will carry out operates, must be earlier separating fully spanner 10 and work package 12, and with spanner 10 whole turn-overs, at last, again with spanner 10 running-ons 11 and work package 12 fits, " pine is unloaded " switching running of the work package 12 that just carried out.

By above explanation as can be known, known have can be past, the spanner structure of multiple switching, when " sealed " with work package of carrying out reaches " pine is unloaded " switching running, must go through separate earlier spanner and workpiece, with spanner turn-over, three steps such as fit wrench and work package again, the side is carried out, therefore operation is gone up and is not convenient, and has nearly one to go on foot necessity of improving.

In view of this, the present utility model people is through detailed thinking, and the dealer's system of hand-held tool dependent merchandise and the experience of research and development are engaged in accumulation for many years, developed eventually a kind of just, the contrary dual-purpose speeder wrench structure-improved of direction, make spanner carry out " sealed " with work package when reaching " pine is unloaded " switching running, running-on also need not separate with work package, and is improved above-mentioned disappearance fully.

Main purpose of the present utility model is to be to provide just a kind of, the contrary dual-purpose speeder wrench structure-improved of direction, mat is formed with the first fit portion and the second fit portion with symmetrical kenel in running-on, wherein, this first fit portion be with the forward fit switching that carries out of predetermined work spare, the mat second fit portion then must with the reverse fit switching that carries out of predetermined work spare, and make work package get directly in first, slippage and fit between two fit portions, that is, the utility model spanner running-on and work package carry out " sealed " reach " pine is unloaded " switching when running, running-on need not to separate with work package, and spanner need not just promptly be able to directly conduct by turn-over, contrary direction is dual-purpose, therefore, easy quite smoothly in the operation.

The purpose of this utility model be achieved in that a kind of just, the contrary dual-purpose speeder wrench structure-improved of direction, it mainly is to be formed with a sealing running-on to constitute on spanner, it is characterized in that: in running-on, be formed with the first fit portion and the second fit portion with symmetrical kenel, wherein, this first fit portion be with the work package forward fit switching that carries out, the mat second fit portion then must with the work package reverse fit switching that carries out, and make work package get directly slippage and fit between first and second fit portion.Wherein more can be in this first fit portion and the second fit portion, the precalculated position of its inwall forms supporting surface and revolution curved arc, make behind this first and second fit portion and the work package fit to such an extent that this supporting surface of mat abuts against the application of force switching that carries out with the work package perisporium, and the rotary space that mat should the revolution curved arc be back and forth operated as spanner.More spanner system can be set as to have between Wrench head and spanner shank between deviation angle and Wrench head and wrench shank and have high low head.

In sum, the disclosed structure of the utility model, because when operation is implemented, mat is formed with the first fit portion and the second fit portion with symmetrical kenel in running-on, wherein, this first fit portion be with the forward fit switching that carries out of predetermined work spare, the mat second fit portion then must with the reverse fit switching that carries out of predetermined work spare, and make work package get directly in first, slippage and fit between two fit portions, that is, the utility model spanner running-on and work package carry out " sealed " reach " pine is unloaded " switching when running, running-on need not to separate with work package, and spanner need not just promptly be able to directly conduct by turn-over, contrary direction is dual-purpose, therefore, easy quite smoothly in the operation.

Fig. 1 is the floor map of reciprocating type spanner commonly used;

Fig. 2 is the operation chart of reciprocating type spanner commonly used;

Fig. 3 is the operation chart of another known reciprocating type spanner;

Fig. 4 is the schematic perspective view of the utility model first embodiment;

Fig. 5 is the first fit portion and the work package fit view of the utility model first embodiment;

Fig. 6 is the switching operation chart of Fig. 5;

Fig. 7 is the reciprocating stroke schematic diagram of Fig. 6;

Fig. 8 is the second fit portion and the work package fit view of the utility model first embodiment;

Fig. 9 is the schematic perspective view of the utility model second embodiment;

Figure 10 is the second fit portion and the work package fit view of the utility model second embodiment.

The figure number part:

10. spanner 11. presss from both sides mouthful 12. work packages

13. running-on 131. sandwich parts

20. spanner 201. shanks 21. running-ons

22. 23. second fit portions of the first fit portion, 241,242. first supporting surfaces

243. second supporting surface, 244,245. the 3rd supporting surfaces, 25. revolution curved arcs

30. work package 40. spanners 41. running-ons

42. 43. second fit portions of the first fit portion, 441,442. first supporting surfaces

443. second supporting surface, 45. revolution curved arcs

About the utility model for reaching above-mentioned purpose, the technology that is adopted, means and other effect, this measure two preferable possible embodiments and cooperate graphic detailed description as after, believe the above-mentioned purpose of the utility model, feature and other advantage, when can by one deeply and concrete understanding.

At first please cooperate and consult Fig. 4, shown in Figure 5, the utility model embodiment is provided a kind of just, the contrary dual-purpose speeder wrench structure-improved of direction, it mainly is to be formed with a sealing running-on 21 in spanner 20 heads to constitute, wherein:

This running-on 21, be formed with the first fit portion 22 and the second fit portion 23 with symmetrical kenel in it, wherein, this first fit portion 22 be with the forward switching (as the clockwise direction switching of figure) that carries out of work package 30 (as nut, screw terminal) fit, the second fit portion 23 then must with the reverse switching (as the counter clockwise direction switching of figure) that carries out of work package 30 fits, and make work package 30 directly slippage and fit between first and second fit portion.

The first fit portion 22 of the utility model first embodiment and the second fit portion 23, form first supporting surface 241 242, second supporting surface 243, the 3rd supporting surface 244,245 in the precalculated position, reach revolution curved arc 25 in its inwall, make behind this first and

second fit portion

22,23 and work package 30 fits to such an extent that this first supporting surface 241,242 of mat, second supporting surface 243 and the 3rd supporting surface 244,245 abut against the application of force switching that carries out with work package 30 perisporiums, and the revolutions that mat should revolution curved arc 25 be back and forth operated as spanner 20; Operating instruction about spanner 20 reciprocal switchings is as follows:

See also shown in Figure 5, this is the first fit portion 22 and work package 30 fit states of the utility model first embodiment, must abut against mutually with work package 30 perisporiums by first supporting surface 241, second supporting surface 243 and the 3rd supporting surface 244 in the first fit portion 22, when forward switching spanner 20 (as the clockwise direction of Fig. 5), work package 30 is subjected to the drive of spanner 20 first fit portions 22, rotated a predetermined angular (as shown in Figure 6), this is " past " of reciprocating stroke; When " answering " of the reciprocating stroke that carries out, be that work package 30 is separated slightly with first supporting surface 241, second supporting surface 243 and the 3rd supporting surface 244 of the first fit portion 22, and this revolution curved arc 25 of mat is able to toward back rotation (as shown in Figure 7 spanner 20, this moment, work package 30 was not rotated), reply the home position that is Fig. 5 until spanner 20, promptly finish the reciprocating stroke of spanner 20 first fit portions 22.

The fit switching kenel of this Fig. 5, Fig. 6, Fig. 7 and work package 30 (switching clockwise) can be considered the sealed operation of the work package 30 that carries out; When unloading switching with the pine of work package 30 when desiring to carry out, can be directly with the down slippage of the second fit portion 23 of running-on 21, make the second fit portion 23 be fit shape (as shown in Figure 8) with work package 30, the spanner 20 reverse switching (as the counter clockwise direction switching of figure) that can carry out behind the fit, by above explanation as can be known, this practical spanner 20 running-ons 21 carry out " sealed " of work package 30 when reach " pine is unloaded " and operating, be to be able to the direct first fit portion 22 or the second fit portion 23 carry out with work package 30 in good time slippage fits with running-on 21, and need not must be with spanner 20 whole turn-overs as known person, therefore, quite simple and direct facility in the operation.

It should be noted that, spanner 20 running-ons 21 of the present utility model, when " sealed " of the work package 30 that carries out reaches " pine is unloaded ", do not need spanner 20 whole turn-overs, carry out and be able to the direct mat first fit portion 22 or the second fit portion 23 and work package 30 in good time fits, therefore, (running-on 21 can be made the kenel that is set as shown in Figure 4 to spanner 20 heads of the present utility model, that is, spanner 20 heads and 201 of spanner 20 shanks have deviation angle and spanner 20 heads and 201 of spanner 20 shanks have high low head person (that is, be drop to be arranged but not flat between Wrench head and shank), in view of the above, spanner 20 of the present utility model is able to handy more smoothly in operation; Known spanner 20, because of be subject to must turn-over operation, therefore, only head system can be set as between spanner 20 heads and spanner 20 shanks and have deviation angle, but then be straightened condition between spanner 20 heads and spanner 20 shanks.

Those skilled in the art should be understood that, the utility model running-on 21 its first, two

fit portions

22,23 is not the kenel that only is limited to above-mentioned first embodiment, in this, second embodiment is for reference especially exemplified by going out, see also shown in Figure 9, also form first in the running-on 41 of this spanner 40, two

fit portions

42,43, but this second embodiment its first, two

fit portions

42,43 first supporting surface 441,442, second supporting surface 443 and revolution curved arc 45 its position and kenels, be inequality with first embodiment, this consults shown in Figure 10, this is the second fit portion 42 and work package 30 shell-likes cover schematic diagram, and second embodiment first, two

fit portions

42,43, all must with work package 30 carry out " sealed " reach " pine is unloaded " operation do not hinder.

Claims

One kind just, the contrary dual-purpose speeder wrench structure-improved of direction, it mainly is to be formed with a sealing running-on on spanner, it is characterized in that: be formed with the first fit portion and the second fit portion with symmetrical kenel in running-on.
2. as claimed in claim 1 just, the contrary dual-purpose speeder wrench structure-improved of direction, it is characterized in that: more can be in this first fit portion and the second fit portion, the precalculated position of its inwall forms supporting surface and revolution curved arc.
3. as claimed in claim 1 just, the contrary dual-purpose speeder wrench structure-improved of direction, it is characterized in that: more spanner system can be set as to have between Wrench head and spanner shank between deviation angle and Wrench head and wrench shank and have high low head.