WO2009115016A1

WO2009115016A1 - A wrench

Info

Publication number: WO2009115016A1
Application number: PCT/CN2009/070744
Authority: WO
Inventors: 许小明
Original assignee: Xu Xiaoming
Priority date: 2008-03-18
Filing date: 2009-03-11
Publication date: 2009-09-24
Also published as: CN101244547B; CN101244547A

Abstract

The wrench (1) has wrench body including two polygons with different specifications sizes provided inside or outside the wrench. A lug (4) is provided inside or outside a wrench body, wherein the lug is formed between the two polygons with different specifications sizes of the wrench body. Two end sections of the wrench body are provided with lugs. Protuberances (9) are provided between the two polygons with different specifications sizes.

Description

Trigger

The invention belongs to a universal hand tool, in particular to a universal wrench that can be used with a wrench.

Background technique

The existing wrenches, plum wrenches, combination wrenches and socket wrenches are all sold in sets, a set of dozens, not only expensive, but also heavy and bulky, not easy to carry and keep. To this end, the applicant has developed a universal wrench that can be attached to the nut. With two or three kinds of wrenches, the utility model can fully utilize the functions of a wrench, a plum wrench, a combination wrench and a socket wrench, thereby reducing the cost and being convenient to carry. And custody, but there are still limitations in use.

Summary of the invention

It is an object of the present invention to provide a universal wrench for use with a wrench that has a limited range of use that is at least twice as wide. Significantly reduce costs, and it is more convenient to carry and store.

The object of the present invention is achieved by the following technical solution: It comprises a wrench body, characterized in that two different sizes of polygons are arranged inside or outside the wrench body.

A step or a boss is provided inside or outside the above-mentioned wrench body.

A step or a boss is formed between the two different sizes of polygons of the above-mentioned wrench body. A boss is provided at one end or both end portions of the outer portion of the above-mentioned wrench body.

The bosses inside or outside the above-mentioned wrench body are circular closed loops or discrete small bosses.

There are some protrusions on the bosses of the two different sizes of the inside or outside of the trigger body or the middle of a polygon or the end of the wrench, or a discrete gap is formed in the boss. The periphery of the above-mentioned wrench body may have a broken shape or a broken shape.

The above-mentioned wrench body is made of a magnetic material or a magnetic block is embedded in each of the periphery of the wrench body and the boss. The function of the steps and the bosses: 1 The inner regular polygons have different sizes, so that the inner regular polygons can adapt to the nuts of two specifications; the outer regular polygons have different sizes, so that the outer regular polygons can adapt to the wrench of two specifications; that is, a wrench adapts Two sizes of nuts or two sizes of wrenches. 2 steps and bosses play a role in positioning. There are two kinds of positioning functions. One is that the bosses do not "pass out" from the wrench, and the other is that the bosses do not "pass out" from the wrench. Different bosses act as positioning nuts and wrenches.

The utility model provides a universal wrench using a matching wrench, which is characterized in that: when using, the wrench sleeve is attached to the nut or the wrench is inserted into the wrench wrench with the elastic clamping device, and then the wrench is removed by a wrench. Load the nut.

The universal wrench used in the matching wrench provided by the invention is characterized in that: when in use, the wrench is magnetically attracted to the nut or the wrench wrench, and then the nut is disassembled by a wrench.

Compared with the prior art, the invention has the following advantages: 1. The utility model can adapt to the nut of two specifications by using one wrench, the number of the wrench is reduced by half, the material is saved by half, the cost is significantly reduced, and the volume of the wrench is also reduced by half. 3 different bosses act as positioning wrenches and nuts. 4 It is more convenient to carry and keep. 5 One wrench can also adapt to two types of wrenches.

detailed description

1 and 2 are a front view and a plan view showing a first form of the structure of the first embodiment of the present invention. 3 and 4 are a front view and a plan view showing a second embodiment of the first embodiment of the present invention. Fig. 5 is a front elevational view showing the structure of a third form of the first embodiment of the present invention.

6, FIG. 7, and FIG. 8 are bottom view and front view of the first form of the second embodiment of the present invention. And top view.

9 and 10 are a front view and a plan view showing a second embodiment of the second embodiment of the present invention. Figure 11 is a schematic view showing the center of the boss in the second embodiment of the present invention as a regular hexagonal hole.

12 and 13 are a front view and a plan view showing a structure of a third embodiment of the present invention.

Figure 14 is a schematic view showing the structure of the fourth embodiment of the present invention.

Fig. 15 and Fig. 16 are a front elevational view and a plan view showing a fifth embodiment of the present invention.

17 and 18 are a front view and a plan view showing a configuration of a sixth embodiment of the present invention.

19 and 20 are a front view and a plan view showing a first embodiment of a seventh embodiment of the present invention. Figure 21 is a schematic view showing the second form of the structure of the seventh embodiment of the present invention.

Figure 22 is a schematic view showing a third form of the structure of the seventh embodiment of the present invention.

Figure 23 is a first schematic view showing the structure of the eighth embodiment of the present invention.

Figure 24 is a view showing the second form of the structure of the eighth embodiment of the present invention.

25 and 26 are a front view and a plan view, respectively, showing a first embodiment of a ninth embodiment of the present invention. 27 and 28 are a front view and a plan view showing a second form of the structure of the ninth embodiment of the present invention. 29 and 30 are schematic views showing a form of a tenth embodiment of the present invention.

31, 32, and 33 are schematic views showing three other forms of the tenth embodiment of the present invention. 34 and 35 are a front view and a left side view showing the structure of an eleventh embodiment of the present invention.

Figure 36 is a schematic view showing another form of the structure of the eleventh embodiment.

Figure 37 is a schematic illustration of the product as a text mark.

detailed description

Embodiment 1 The first form structure: As shown in Fig. 1, 2, the outer and inner portions of the wrench 1 are regular polygons (the present embodiment is a regular hexagon), the outer regular polygon is a size specification, and the inner regular polygon Formed in two different sizes, forming a step between two regular sizes of regular polygons

2 o

Embodiment 1 The second form structure: As shown in Figs. 3 and 4, the outer and inner portions of the wrench 1 are regular polygons (the present embodiment is a regular hexagon), the inner regular polygon is a size specification, and the outer regular polygon is two types. Different size specifications, forming a step between two regular polygons of different sizes 2 o

Embodiment 1 The third form structure: As shown in Fig. 5, the outer and inner portions of the wrench 1 are regular polygons (the present embodiment is a regular hexagon), and the inner and outer regular polygons are of two different sizes, in two types. Inner and outer steps 2 are formed between regular polygons of different sizes.

The functions of the "naturally formed" steps of the above three forms of structure: the steps formed by different regular polygons, the inner regular polygons at both ends of the step are adapted to the nuts of two specifications; the steps formed by the different outer dimensions of the outer polygon, the outer regular polygons at the ends of the step It can be adapted to two types of wrenches; that is, one type of wrench adapts to two types of nuts or two types of wrenches. At the same time, the internal step can block the large-sized nut, and the external step can block the small-sized wrench, so that the wrench can prevent the nut or wrench in one direction from falling off and play a positioning role.

The second form structure of the second embodiment: As shown in Fig. 6 - - - Fig. 8, the outer regular polygon is a size specification, and the inner regular polygon is of two different size specifications, and is set between two regular sizes of regular polygons. Annular integral boss 4. The center of the boss 4 is a circular hole through which the screw can pass. The inner regular polygon at one end is a regular hexagon 3 (see Figure 6), and the inner regular polygon at the other end is a shape 5 with two regular hexagons rotated 30 degrees from each other, that is, a twelve-corner polygon (see Figure 8). The regular polygons of other examples may also be formed by rotating a certain degree. Due to the presence of protruding bosses in the middle of the wrench, the boss can block the two types of nuts that are adapted at both ends of the wrench, so that the nuts in both directions are Does not fall off, plays a two-way positioning role.

Embodiment 2 The second form structure: As shown in FIG. 9 and FIG. 10, the outside of the wrench 1 is a regular hexagon of a size specification, and the inside is a regular hexagon of two different sizes, and the two are in two different sizes. An annular integral boss 4 is disposed between the sides, and a hole is formed in the middle of the boss 4. See Figure 11. The middle of the boss 4 can also be a regular hexagonal hole through which the screw can pass.

Embodiment 3 Structure: As shown in Fig. 12, 13, the outer part is a polygon of a size specification connected by an arc, and the inside is a polygon of two different sizes and connected by an arc. This polygonal wrench increases the contact surface between the wrench and the nut and protects the corner of the nut. At the same time, it can be used with a special wrench or with the conventional wrench to increase the contact surface between the wrench and the wrench to protect the wrench's wrench. The polygon of this embodiment can be formed by connecting an arc to a straight line.

Embodiment 4 Structure: As shown in Fig. 14, the main structure is the same as the second form structure of the second embodiment, except that the boss 4 is provided with a circular hole in the middle, and a uniform gap 6 is opened thereon.

Embodiment 5 Structure: As shown in Fig. 15, 16, the exterior is a regular hexagon with a size specification, and the inside is a regular hexagon of two different sizes, and a partition layer 7 is disposed between two regular polygons of different sizes. This form is used less.

Embodiment 6 structure: See FIGS. 17, 18, which is changed based on the third form structure of the first embodiment, and an annular integral boss 4 is provided between two regular polygons of different sizes and sizes, and the boss 4 The middle is a curved hole, and the screw can pass through the curved hole.

Embodiment 7 Structure: Referring to Figs. 19 and 20, the second form structure of the foregoing second embodiment is changed. A, a circular integral boss 8 is disposed in the outer portion. B, see Fig. 21, a regular hexagonal integral boss 8 is provided in the middle of the outer portion. As shown in Fig. 22, a curved integral boss 8 is provided in the outer portion. Due to the presence of protruding bosses in the middle of the wrench, the boss can block the specifications at both ends of the wrench. The wrench will prevent the wrench in both directions from slipping out and play a two-way position.

Embodiment 8 structure: On the basis of the first form structure of the foregoing first embodiment, the third form structure is changed, and a plurality of discrete small bosses 9 are arranged in the middle of the outer portion of the wrench body (see FIG. 23 and Figure 24). It also acts as a "blocking" nut and wrench at both ends of the wrench. The boss inside the wrench can also be designed as a plurality of discrete small bosses according to this embodiment.

The structure of the ninth embodiment is as shown in FIG. 25 and FIG. 26, and the first form structure of the second embodiment is changed. The outer periphery of one end of the wrench is provided with a positioning boss 10, and the function of the positioning boss 10 is to make the board The head does not "wear out" from the wrench, but plays a role in positioning. The positioning boss 10 is a regular polygonal or circular or other curved shape or a discrete small boss. Referring to Figures 27 and 28, the positioning boss 10 can also be disposed at both ends of the wrench.

Embodiment 10 Structure: The foregoing various types of wrenches may have a broken shape or a broken shape, for example, the disconnection is on the periphery (see Figs. 29 and 30), and the break is at the corner (see Fig. 31). , a peripheral defect (see Figure 32), two peripheral defects (see Figure 33).

Embodiment 11: See FIGS. 34 and 35, the various types of the above-mentioned various types of wrenches are provided with magnetic blocks 11 embedded in the respective periphery of the wrench and the bosses. The magnetic blocks 11 may have various shapes such as a rectangle or a circle. The magnetic material is embedded in multiple pieces as needed. The magnetic block 11 can be directly cast in the wrench without being penetrated. Referring to Figure 36, the magnetic block 11 can be threaded and inserted into the wrench by post-machining. In addition, various wrenches can also be made of magnetic materials.

See Figure 37. The mechanical and chemical or laser engraving methods are used to mark the inner and outer surfaces of the wrench body, such as the size of the wrench, the company logo, the product name, the company logo, and the production origin.

The utility model provides a universal wrench used in the matching wrench. In use, the wrench sleeve is attached to the nut or the wrench is inserted into the wrench wrench with the elastic clamping device, and then passed. Screw the wrench to remove the nut.

The universal wrench used in the matching wrench provided by the present invention uses the second method: In use, the magnetic wrench is attracted to the nut or the wrench wrench, and then the nut can be disassembled by a wrench.

According to the method of use provided by the present invention, the wrench can be sold separately, without other wrenches. When in use, the wrench sleeve is attached to or depends on the magnetic attraction on the nut, and the wrench moves with the nut. Therefore, the user separately purchases a spanner wrench, a plum wrench, a combination wrench, a socket wrench, a ratchet wrench and the like with a wrench to play one or more sets of wrench functions.

A set of wrenches can also be sold with one or more wrenches, plum wrenches, combination wrenches, combination wrenches, socket wrenches, ratchet wrenches, etc. When used, the wrench relies on magnetic adsorption, or elastic clamping. On the wrench's wrench, the user disassembles the nut by absorbing or flexing the wrench on the wrench's wrench. The user does not need to purchase another wrench to use one or more sets of wrenches.

Claims

Rights request

1. A universal wrench for use with a wrench, comprising a wrench body, characterized in that: two polygons of different sizes are arranged inside or outside the wrench body.

2. A universal wrench for use with a wrench according to claim 1, wherein: a step or a boss is provided inside or outside the wrench body.

3. A universal wrench for use with a wrench according to claim 2, wherein: a step or a boss is formed between the two different sizes of polygons of the wrench body.

4. A universal wrench for use with a wrench according to claim 2, wherein: a boss is provided at one end or both ends of the outer portion of the wrench body.

5. The universal wrench for use with a wrench according to claim 2, wherein: the boss inside or outside the wrench body is a circular closed loop or a discrete small boss.

6. The universal wrench for use with a wrench according to claim 2, wherein: the inside or outside of the wrench body is between two different sizes of polygons or a middle of a size polygon or the end of the wrench. The boss has some protrusions or discrete slits on the boss.

7. The universal wrench for use with a wrench according to claim 1, wherein: the periphery of the wrench body can be of a broken shape or a broken shape.

8. The universal wrench for use with a wrench according to claim 1, wherein: the wrench body is made of a magnetic material or a magnetic block is embedded in each of the periphery of the wrench body and the boss.

9. The method of using a universal wrench for use with a wrench according to claim 1-7, wherein, in use, attaching the wrench sleeve to the nut or inserting the wrench into the wrench wrench having the elastic clamping device. , then remove the nut by wrenching the wrench.

The universal wrench used in the matching wrench according to claim 8, wherein the wrench is magnetically attracted to the nut or the wrench wrench, and then the nut is disassembled by a wrench.