KR20190090581A - All purpose spanner - Google Patents

Abstract

The present invention provides an all-purpose spanner which is provided with all of spanners and wrenches having various sizes fitted to a bolt or a nut when machinery is manufactured and maintained, and can be applied to a bolt and a nut having various sizes and types to reduce time and efforts consumed for replacing a spanner and a wrench to perform work for a bolt or a nut with a different size. According to the present invention, the all-purpose spanner comprises a spanner and a wrench used for tightening or loosening a bolt or a nut, wherein the spanner is provided at one side, and the wrench is provided in an opposite direction of the spanner. Moreover, the all-purpose spanner comprises an all-purpose socket coupled to the wrench.

Description

All-purpose spanner {All purpose spanner}

The present invention relates to a spanner or wrench which is a tool used to tighten or loosen bolts or nuts.

More specifically, spanners and wrenches can be connected together to improve the need to have spanners and wrenches for each size to tighten or loosen bolts or nuts of various sizes or shapes and the time it takes to change tools. It's about an all-round spanner.

The contents described in this section merely provide background information on the embodiment of the present invention and do not constitute the prior art.

A spanner or wrench is a tool for clamping or releasing a bolt or nut. A spanner is a tool that is generally designed to hold and turn only two sides of a bolt or nut. The spanner is provided to adjust the size according to the size of the bolt or nut, the wrench is provided in various sizes depending on the size of the bolt or nut. However, in some countries, spanners and wrenches may be used without distinction. Therefore, in the following description, spanners include both the concept of a spanner and a wrench.

On the other hand, complex mechanisms or equipment such as automobiles are manufactured by assembling a wide variety of bolts and nuts, wherein the bolts and nuts are not only different in size but also vary in form and coupling force. Therefore, when manufacturing or maintaining such a complicated mechanism or equipment, spanners and wrenches capable of applying various sizes and torques are required, and tools according to each size should be replaced and manufactured and maintained.

The universal socket has been invented, which means that the iron core is tightly disposed inside the cylindrical body, and when the bolt or nut is inserted in the longitudinal direction of the iron core from one side of the body, the iron core of the inserted portion falls back by a spring provided at the rear and the surrounding iron core. Is the principle of gripping bolts or nuts. Therefore, the bolt or nut smaller than the diameter of the body can be tightened or loosened, the universal socket has the advantage of replacing the wrench of various sizes with one wrench.

But the universal socket is to grip the bolt or nut with an iron core, too tight iron core is difficult to manufacture and there is a problem that the torque is not applied if the iron core is not tight. Indeed, commercially available universal sockets are easily coupled when they are weakly coupled or require less force to engage, but are not suitable when a large torque is desired.

In addition, even in the case of the universal socket, the size of the bolt or nut that can be used varies depending on the size of the socket, there is a problem that the size of the bolt or nut that can be used by the range is limited.

The present invention has been created to solve the above-mentioned problems, and more specifically, when manufacturing and maintenance of machinery, it is necessary to have all the wrenches and wrenches of various sizes suitable for the size of bolts or nuts, and bolts of different sizes or It is an object of the present invention to provide a universal spanner that can be applied to various sizes and types of bolts or nuts to improve the time and effort required to replace the spanner and wrench for working on the nut respectively.

It is also an object of the present invention to provide various means for connecting a conventional wrench and spanner.

The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned above may be clearly understood by those skilled in the art from the following description. will be.

Universal spanner of the present invention for achieving the above object, including a wrench and a wrench used when tightening or loosening the bolt or nut, one side is provided with a spanner, the wrench is provided in the opposite direction of the spanner, It characterized in that it comprises a universal socket for coupling to the wrench.

In more detail, the spanner and the wrench further include a handle portion, and further comprising a connection member connecting the handle portions, wherein the connection member comprises: a hollow structure body; Insertion grooves formed to be inserted into both sides of the body; And a partition wall formed at the center of the body so as to divide the hollow structure, the handles may be inserted into the insertion grooves and coupled to the connection member body.

In this case, each of the handle portion and the connection member may be screwed, or may be coupled by a pin penetrating the handle portion and the connection member in the state in which the handle portion is inserted into the connection member.

Furthermore, a first body coupled to the handle portion of the wrench and a second body coupled to the handle portion of the spanner, the end of any one of the first body or the second body is formed with a coupling groove, the rest At one end of the coupling protrusion is formed is inserted into the coupling groove, the coupling groove and the coupling protrusion may be characterized in that the first body and the second body is detachably provided by screwing.

Unlike conventional spanners or wrenches having to be provided with all sizes according to the size and assembly strength of bolts or nuts, one universal spanner can tighten or loosen bolts or nuts of various sizes.

In addition, according to the size and assembly strength of the conventional bolt or nut, the time and effort to replace the tool is reduced to improve the work efficiency and convenience.

1 is an exploded perspective view of a universal socket, wrench and spanner according to an embodiment of the present invention.
2 is a cross-sectional view of a connecting member having protrusions as an embodiment of the present invention, a universal spanner.
3 is an exploded perspective view and a partial cross-sectional view of a connection member having a hole as an embodiment of the present invention, a universal spanner.
4 is an exploded perspective view and a partial cross-sectional view of a connecting member for screwing as an embodiment of the present invention, a universal spanner.
5 is an exploded perspective view and a partial cross-sectional view of an embodiment of the present invention, a wrench and a spanner configured to be coupled or separated through a connecting member.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Terms specifically defined in consideration of the configuration and operation of the present invention in this process is only for describing the embodiments of the present invention, and do not limit the scope of the present invention.

The embodiments described below are provided by way of example so that those skilled in the art will be able to fully understand the spirit of the present invention. The present invention is not limited to the embodiments described below, but may be embodied in other forms. In order to clearly explain the present invention, parts not related to the description are omitted from the drawings, and the width, length, thickness, etc. of the components may be exaggerated for convenience. Like numbers refer to like elements throughout.

In general, the spanner 30 and the wrench 20 are tools for tightening or loosening a bolt or nut, and the spanner 30 is open at one side and provided to adjust the size within a certain range. It can be rotated to hold the wrench, the wrench 20 is a tool that rotates to form a hexagonal hole 50 is formed so that the outer surface is in contact with the bolt or nut to contact all of the six sides.

The spanner 30 may apply a large force and adjust the size, but adjustment is cumbersome, and the wrench 20 has a problem in that it is not possible to adjust the size and have all necessary sizes.

Therefore, the universal socket 10 provided to grip the bolt or nut in a certain size range has been invented, but the grip force of the universal socket 10 is weak and tightly tightened, or if a large force is required for assembly, there is a problem that the utility is inferior.

The present invention is to solve the above problems, to be applied to all bolts or nuts of different sizes and to provide a universal spanner (1) that can apply a large force, the universal spanner (1) of the present invention is The spanner 30 is formed on one side and the wrench 20 is formed on the other side. The wrench 20 is connected to the universal socket 10 is provided so that both the spanner 30 and the wrench 20 can be applied to a variety of bolts or nuts. The spanner 30 can adjust the grip force and thus can be used for a job requiring a relatively large torque, so that the present invention can be applied to various assembly situations.

More specifically, the universal spanner 1 of the present invention, as shown in Figure 1, one side is provided with a spanner 30, the other side is provided with a wrench 20 for coupling with the universal socket 10. . The coupling relationship between the wrench 20 and the universal socket 10 is well known and thus will not be described.

Hereinafter, in describing the connection relationship between the spanner 30 and the wrench 20 of the present invention, the scope of the present invention is not limited to the scope of the present invention.

Spanner 30 is largely composed of an operating portion 31 which is a portion that grips the bolt or nut directly and a handle portion 32 to which the operator can apply torque. Wrench 20 is also composed of an all-in-one socket 10 is coupled to the action portion 21 to grip the bolt or nut and the handle portion 22 to the operator to apply torque. The present invention may be provided by connecting end portions of the handle portions 32 and 22 of the spanner 30 and the wrench 20.

First, the spanner 30 and the wrench 20 of the present invention may be integrally cast and formed. That is, the spanner 30 and the wrench 20 are made of metal, and are formed by casting as in the prior art, and may be cast in a form in which both the handle portions 32 and 22 of the spanner 30 and the wrench 20 are integrally combined. . Preferably, the present invention is cast from a metal, but in some cases, may be integrally injected into a plastic having high strength.

Alternatively, as in the general case, the spanner 30 and the wrench 20 may be separately manufactured, and the handle parts 32 and 22 may be connected to each other by welding. In this case, although there is an advantage that a conventional tool can be used, it is preferable to form coupling surfaces having shapes corresponding to each other in advance so as to increase the coupling force.

As another embodiment, as shown in Figures 1 to 3 may be coupled through a separate connection member 40. The connecting member 40 has a body 41 having both sides open to which the handle portions 32 and 22 of the wrench 20 and the cylindrical spanner 30 and the wrench 20 can be inserted, and the ends of the handle portions come into contact with each other. 41) includes a partition 42 formed in a part of the cross section, the insertion groove 43 formed on both sides of the body 41 by the body 41 and the partition 42. The partition wall 42 is preferably formed in the middle of the body 41.

In this case, the connection member 40 is formed of an elastic body, each handle portion 32, 22 is preferably in close contact with the inner surface of the body 41 is inserted, it is preferably fixed by the elastic force. Furthermore, as shown in FIG. 2, the protrusions 44 may be formed to increase the fixing force of the elastic body. In addition, as shown in FIG. 3, when the hole 50 is formed in the elastic body, the coupling force may be increased or contracted to increase the bonding force.

Therefore, the handle portions 32 and 22 of the spanner 30 and the wrench 20 are inserted into the insertion grooves 43 on both sides of the body 41, respectively, and are preferably inserted to the portion where the partition wall 42 is formed and It can be fixed and balanced by the resilient elastic force.

When the hole 50 is formed in the connection member 40, the hook holes 23 and 33 may be formed in the corresponding portions of the handle of the spanner 30 and the wrench 20, respectively. In this case, the hook holes 23 and 33 not only provide a structure to be hooked up to hold the universal spanner 1, but also the first hook holes 23 and 33 and the second hook holes 23 and 33. A pin (not shown) may be fixed together with the connection member 40. In this case, the material of the connecting member 40 is irrelevant.

In another embodiment of the present invention, the universal spanner 1, the connection member 40 is formed of a metal or plastic, the thread 60 may be formed on the inner surface of the body 41. In addition, screw parts 34 and 24 may be formed at end portions of the handle parts 32 and 22 of the spanner 30 and the wrench 20 to be coupled to the connection member 40.

Accordingly, the spanner 30 and the wrench 20 are firmly coupled by combining the threads 34 and 24 formed on the spanner 30 and the wrench 20 handle portions 32 and 22 with the threads 60 of the connecting member 40. It may be connected to each other, and in some cases, only one of the spanner 30 and the wrench 20 may be separated and used. That is, the spanner 30 and the wrench 20 are detachably coupled to the connecting member 40.

In addition, as another embodiment of the present invention, as shown in Figure 5, the connection member 40 may be composed of a first body 70 and a second body 71 that can be coupled to the first body (70). The coupling groove 73 may be formed at one end of the first body 70 or the second body 71, and the coupling groove 73 may be formed at the other end. In Figure 5, but the coupling protrusion 74 and the coupling groove 73 is formed to be screwed, which illustrates one embodiment, by forming a jaw at the end of the coupling protrusion 74, removable grooves inside the coupling groove 73. It may be provided to be fitted with.

In addition, although the first body 70 and the wrench 20, the second body 71 and the spanner 30 are shown as screwed in FIG. 5, the pin body (not shown) is fixedly as described above. It may be combined.

In the present invention, the universal spanner 1 can connect the spanner 30 and the wrench 20 as described above, and in connecting the spanner 30 and the wrench 20 to the connecting member 40, each connection method It is also possible to mix.

In this way, by using the wrench 20 having the spanner 30 and the universal socket 10 as one tool, the operator does not have to replace the tool according to the size and type of the bolt or nut, so that one universal spanner 1 ) You can assemble or disassemble a wide variety of parts.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

1: Universal tool 10: Universal socket
20: wrench 21: working part
22: handle portion 23: hook hole
24: screw portion 30: spanner
31: acting portion 32: handle portion
33: hanger hole 34: screw portion
40 connection member 41 body
42: bulkhead 43: insertion groove
44: protrusion 50: hole
60: thread 70: first body
71: second body 73: coupling groove
74: coupling protrusion

Claims (3)

Include spanners and wrenches used to tighten or loosen bolts or nuts,
One side has a spanner
A wrench is provided in the opposite direction of the spanner,
Universal spanner comprising a universal socket for coupling to the wrench.
The method of claim 1,
The spanner and the wrench includes a handle portion,
Further comprising a connection member for connecting the handle portion,
The connecting member includes:
A hollow body;
Insertion grooves formed to be inserted into both sides of the body; And
Universal spanner including a partition formed in the center of the body to divide the hollow structure.
3. The method of claim 2,
Each handle portion and the connection member is screwed,
Universal spanner coupled by a pin penetrating the handle portion and the connection member.

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