WO2017171139A1

WO2017171139A1 - Vehicular wheel nut wrench

Info

Publication number: WO2017171139A1
Application number: PCT/KR2016/006779
Authority: WO
Inventors: 정도영
Original assignee: 정도영
Priority date: 2016-04-01
Filing date: 2016-06-24
Publication date: 2017-10-05
Also published as: JP2018517570A; KR101805299B1; KR20170112693A; JP3223166U

Abstract

The present invention relates to a vehicular wheel nut wrench and, more particularly, to a wheel nut wrench molded in the shape of "-" in a drawn steel pipe type such that, in addition to shortening the manufacturing process and improving work convenience, the wheel nut can be conveniently fastened and unfastened with less force, thereby improving work convenience and efficiency. The configuration of the present invention is accomplished by manufacturing a wheel nut wrench (100) in a pipe shape such that the same has a socket insertion groove (110) formed on one end thereof and a coupling hole (120) integrally formed on the other end thereof such that a handle portion (200) is inserted/mounted therein. The socket insertion groove (110) is formed to have a hexagonal shape, and a socket nut (111) having a quadrangular or hexagonal shape formed through the center thereof is inserted/mounted into the socket insertion groove (110). Furthermore, the wheel nut wrench (100) has hexagonal socket insertion grooves (110) provided on both ends thereof, respectively, and has coupling holes (120) formed on both sides thereof such that handle portions (200) are inserted/mounted therein, respectively. The wheel nut wrench (100) is manufactured in the shape of "-" in a drawn steel pipe type using a circular or hexagonal pipe such that a gripping portion (101) is molded on the outer-diameter surface thereof. In addition, two to six through-holes (102) are formed at a predetermined interval on the outer-diameter surface of a side end of the wheel nut wrench (100), and fastening holes (112) are formed on the outer-diameter surface of a socket nut (111), which is inserted into a socket insertion groove (110), so as to correspond to the through-holes (102). Accordingly, retaining members (130), which are positioned outside the wheel nut wrench (100), are fastened to the fastening holes (112) via the through-holes (102) and are coupled to the socket nut (111) inserted into the socket insertion groove (110).

Description

Car Wheel Nut Wrench

The present invention relates to a wheel nut wrench for a vehicle, and more particularly, by forming a wheel nut wrench having a "-" shape in a pulled steel pipe method, while shortening the manufacturing process and reducing production costs, the wheel nut is loosened. And it is invented to improve the convenience and efficiency of the operation by performing the locking operation conveniently with less force.

In general, a tire replacement tool set is provided in a trunk or the like in preparation for a tire puncture during operation of the vehicle, and the tool set includes a jack assembly, a jack handle, a wheel nut wrench, a spanner, a plier, and the like.

A wheel nut wrench is a tool used to release a nut fastened to a wheel hub when a tire is replaced, and a wheel nut wrench used in a commercial vehicle has a predetermined length as shown in FIG. 1, and both ends ( The outer diameters of the 20 and 30 have a circular shape, and the

inner diameters

22 and 32 are formed into a rectangular shape 22 or a hexagonal shape 32 in a concave shape according to the wheel nut of the tire.

Then, through holes 40 having a predetermined diameter are formed at predetermined positions in the inward direction from both

ends

20 and 30 so as to selectively mount rod-shaped levers.

However, the conventional wheel nut wrench having a square or hexagonal wheel nut on both sides of the steel pipe as described above, as described in Patent Document 1, the cutting process of cutting the socket to a certain length, and pressurized after placing the socket in the mold Through a joining process for welding the socket and the steel pipe, including a press process to form a nut part therein, a heat treatment process for heating and cooling the socket, and a cutting process for cutting the steel pipe to be combined with the socket to the required length. A vehicle wrench was manufactured.

As described above, the conventional wheel nut wrench for a vehicle is manufactured through a complicated process, and its manufacturing efficiency is very low, and it is impossible to mass-produce in an integrated configuration with water, and the weight of the wrench is very large, making it inconvenient to use and store. Resulted.

In addition, the production cost and manufacturing cost increased with the increase of the metal material required for the steel pipe and the socket, there was a problem such as a safety accident caused by the damage of the welding part.

In order to solve the problems of the prior art as described above, the present invention is made of the inner diameter drawing pipe and at the same time integrally molding the socket groove in the inner diameter, mounted on the wheel nut wrench side end handle portion by using the handle portion wheel nut wrench The purpose of this is to easily rotate the wheel nut for the vehicle to be easily removed or fastened.

Another object of the present invention is to form a polygonal socket groove at both inner diameters of the wheel nut wrench, and to provide a coupling hole for mounting a handle portion at one side of the socket groove, the handle portion inserted into the coupling hole rotates the wheel nut wrench. Another purpose is to increase the convenience and speed of work by fastening and detaching the wheel nut for the vehicle without removing the wheel nut wrench by moving the handle portion only.

Still another object of the present invention is to improve the versatility by making a replaceable coupling of a hexagonal or square socket nut assembled to a wheel nut wrench inner diameter to a wheel nut wrench to be applicable to wheel nuts having various sizes and shapes. There is another purpose.

In order to solve such technical problems, the present invention,

While manufacturing a pipe-shaped wheel nut wrench 100, the socket insertion groove 110 is provided at one end, and the coupling hole 120 into which the handle part 200 is inserted and mounted at the other end is integrally formed. The socket insertion groove 110 is shaped to have a hexagonal shape, and the socket nut 111 into which the shape of any one of a square or a hexagon is inserted through and inserted into the center is inserted into the socket insertion groove 110.

In addition, the wheel nut wrench 100 is provided with hexagonal socket insertion grooves 110 at both ends, and the coupling hole 120 into which the handle 200 is inserted is formed at both sides, respectively, and the wheel nut wrench 100 is a circular or hexagonal pipe is formed in a "-" shape in the pull-out pipe system, while forming the holding portion 101 on the outer diameter surface.

In addition, two to six through-holes 102 are formed on the outer surface of the side end of the wheel nut wrench 100 at a predetermined interval, and the through-holes are formed on the outer surface of the socket nut 111 inserted into the socket insertion groove 110. The fastening hole 112 is formed to correspond to the hole 102, and the fixing member 130 positioned outside the wheel nut wrench 100 passes through the through hole 102 to be fastened to the fastening hole 112 to be connected to the socket. It is to be coupled with the socket nut 111 inserted into the insertion groove (110).

In addition, the socket nut 111 forms a small diameter head 115 which is reduced in diameter and protrudes in a different direction along the other side of the body inserted into the socket insertion groove 110, and the central portion of the small diameter head 115 is formed. Square or hexagon nut insertion groove (115a) is further formed on the wheel nut wrench 100 is made of a hexagonal outer diameter and inner diameter shape while being inserted into the socket insertion groove (110) at one end of the hexagonal The fixing head 150 having an insertion part 151 and a hexagonal or quadrangular head nut insertion groove 152 formed therein is coupled to the other end inner diameter, and the handle part 200 is cross-mounted to the fixing head 150. The head coupling hole 153 is configured to be further formed, and the stopper 210 including a ball member moving up and down by elasticity of the elastic member is configured to protrude to the outside on both sides of the handle portion 200 Is achieved.

According to the present invention, the wheel nut wrench for a vehicle is drawn out into a pipe having a "-" shape, and at the same time, a socket insertion groove is provided in the inner diameter surface, thereby greatly simplifying the manufacturing process of the wheel nut wrench compared to the conventional method, thereby improving production efficiency. Let's go.

In addition, it is possible to increase the product competitiveness by reducing the raw material and manufacturing cost significantly compared to the conventional by replacing the round bar, which was previously expensive, with a low-cost pipe.

In addition, it is easy to use and store by reducing the weight of the wheel nut wrench, and by replacing the socket nut according to the nut type, there is an effect that can maximize the convenience of use.

1 is a front view of a conventional wheel nut wrench.

Figure 2 is a perspective view showing the configuration of the inventors wheel nut wrench.

3 is a cross-sectional view of the configuration of the wheel nut wrench of the present invention.

Figure 4 is a perspective view of one embodiment of the inventors wheel nut wrench.

5 is a perspective view showing another embodiment of the present invention wheel nut wrench.

6 is a cross-sectional view of the embodiment configuration of FIG.

The inventors of the present invention provide a wheel nut wrench for forming a "-" shaped wheel nut wrench in a pulled steel pipe system, which shortens the manufacturing process and improves the convenience of work, while reducing the force of loosening and locking the wheel nut. It is invented to improve the convenience and efficiency of the work by performing conveniently.

With reference to the accompanying drawings, the wheel nut wrench according to the present invention will be understood by the embodiments described in detail.

As the inventive concept allows for various changes and numerous embodiments, the embodiments will be described in detail in the text. However, this is not intended to limit the present invention to the specific form disclosed, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

Figure 2 is an exploded perspective view of a wheel nut wrench of the present invention, Figure 3 is a cross-sectional view of the coupled state, the wheel nut wrench 100 is a "-" shaped in a drawing steel pipe (drawing tube) method It is made of pipe, and the drawn steel pipe is not made by bending steel plate and joining seams. Instead, it is made of hollow pipe by using core rods in rolls to produce seamless steel pipes. This is how you use it.

As described above, the wheel nut wrench 100 of the present invention has a hexagonal socket insertion groove 110 inside, and the outer shape is made of a long product when the metal is drawn into a circular or hexagonal shape.

That is, the wheel nut wrench 100 manufactured by drawing is integrally provided with the socket insertion groove 110 in the inner diameter, and further forms the coupling hole 120 into which the handle part 200 is inserted into one side or both sides. .

In addition, the outer surface of the wheel nut wrench 100 by holding the gripping portion 101 to the entire or at intervals so that the user can easily grip through the kneading process, through the gripping portion 101 This includes the appearance of patterns and shading effects.

In addition, the outer end surface of the wheel nut wrench 100 has two to six through holes 102 formed at a predetermined interval, and the through holes 102 are coupling holes 120 to which the handle part 200 is mounted. It is better to position closer to the tip.

The wheel nut wrench 100 formed as described above fits the hexagonal socket insertion groove 110 formed at one end to the hexagonal wheel nut, and then attaches the handle 200 to the coupling hole 120 located at the other side. By rotating the handle 200 forward or reverse, the wheel nut is locked or released.

And, the nut and bolt of the hexagon or quadrangle smaller than the shape of the socket insertion groove 110, to perform the locking and loosening operation by a separate socket nut 111 is inserted into the socket insertion groove (110). .

The socket nut 111 has a shape of a rectangular or hexagon through-formed in the center portion, and the outer diameter surface corresponds to two to six through holes 102 formed on the outer end surface of the side end of the wheel nut wrench 100. By forming the fastening hole 112, after the socket nut 111 is inserted into the socket insertion groove 110, the fixing member 130 is fastened from the outside of the wheel nut wrench 100 so as to be connected to each other.

At this time, the socket nut 111 is reduced in diameter along the outer direction from the body inserted into the socket insertion groove 110, as shown in Figure 4 to form a small diameter head 115 protruded curved, this small diameter It is also possible to further form a nut insertion groove 115a in the shape of a square or a hexagon in the center of the head 115.

That is, the small diameter head 115 is mounted in the socket insertion groove 110 of the wheel nut wrench 100 in a narrow space where the wheel nut wrench 100 including the socket nut 111 cannot be inserted. It is also included in the present invention to lock or loosen the protrusion of the aperture head 115 to the bolt or nut located in a narrow space.

In addition, as an example of use of the present invention, at one side end of the wheel nut wrench 100, the groove nut 111 is further formed in the inner diameter direction at a distance from which the socket nut 111 is inserted and mounted, and the socket nut 111 is formed. It is also preferable to prevent the movement inside the inserted state and then bind the socket nut 111 mounted in the socket insertion groove 110 with the fixing member 130.

The grooves formed on the outer surfaces of the circular and hexagonal shapes of the wheel nut wrench 100 may be formed at intervals or may be formed in a ring shape, but may form two to four grooves at intervals for maintaining the pipe nut wrench rigidity. It is preferable to prevent excessive insertion of the socket nut 111.

In this case, the socket nut 111 may be inserted into the socket insertion groove 110, and the socket nut 111 may be integrally fixed to the socket nut wrench 100 by press pressure or spot welding.

Referring to FIGS. 5 and 6, which are other embodiments of the present invention, the socket-hole wrench 100 includes hexagonal socket insertion grooves 110 at both ends of the wheel nut wrench 100, and a coupling hole into which the handle part 200 is inserted. After the 120 is configured to be molded on one side, the head nut insertion groove 152 having a square or hexagon shape is coupled to the other socket insertion groove 110, and the fixed head 150 is formed at the center thereof.

The fixed head 150 has a hexagonal insertion portion 151 inserted into the socket insertion groove 110 of the wheel nut wrench 100, and the hexagonal or square head nut insertion groove 152 has an inner diameter at the other end. Is formed, the head coupling hole 153, the handle portion 200 is cross-mounted on the head portion is further molded.

In addition, the insertion portion 151 of the fixed head 150 further includes a head fastening hole 151a corresponding to two to six through holes 102 formed on the outer surface of the side end of the wheel nut wrench 100, After inserting the insertion part 151 into the socket insertion groove 110, the fixing member 130 is fastened from the outside of the wheel nut wrench 100 so that the wheel nut wrench 100 and the fixing head 150 are firmly connected to each other. It is also preferable.

Here, the coupling hole 120 may be molded having a circular or polygonal shape, but is molded in a circular shape, and preferably, a handle part 200 that is a circular rod is mounted, and a handle on one side where the handle part 200 is mounted. It is preferable to further include a stopper 210 for preventing separation of the parts.

The stopper 210 of the handle part 200 forms a ball groove (not shown) on one side of the handle part 200 and sequentially inserts an elastic member (not shown) and a ball member (not shown) inside the ball groove. However, the ball member is removably mounted in the ball groove direction without being detached from the outside.

Therefore, in the case of mounting the handle portion 200 to the coupling hole 120 of the wheel nut wrench 100, pressing the ball member is inserted through the cross section of the coupling hole 120 and then the ball member protrudes The unit 200 is not easily separated.

In addition, when the coupling hole 120 of the wheel nut wrench 100 and the head coupling hole 153 of the fixing head 150 are formed through, stoppers 210 are formed on both sides of the handle part 200, respectively. By rotating the wheel nut wrench 100 by moving along the coupling hole in the state in which the handle part 200 is mounted, the convenience of use is increased.

As described above, the above-described embodiments are described with respect to the most preferred examples of the present invention, but are not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications are possible without departing from the technical spirit of the present invention. .

Claims

While manufacturing the pipe-shaped wheel nut wrench 100, the socket insertion groove 110 is provided at one end, and the coupling hole 120 into which the handle part 200 is inserted and mounted at the other end is integrally formed. One car wheel nut wrench.
The socket insert 111 of claim 1, wherein the socket insertion groove 110 is formed to have a hexagonal shape, and the socket nut 111 into which the shape of any one of a square or a hexagon is penetrated in the center is inserted into the socket insertion groove 110. Vehicle wheel nut wrench characterized by being mounted.
The method of claim 1, wherein the wheel nut wrench 100 is provided with a hexagonal socket insertion groove 110 at both ends, the coupling hole 120 is inserted into the handle portion 200 is formed on each side is characterized in that Car wheel nut wrench.
The method according to claim 1, wherein the wheel nut wrench 100 is a circular or hexagonal pipe is produced in a "-" shape in the pull-out pipe method, characterized in that the grip portion 101 formed on the outer diameter surface One car wheel nut wrench.
The outer diameter surface of the socket nut 111 of claim 1, wherein two to six through holes 102 are formed at a predetermined interval on the outer surface of the side end of the wheel nut wrench 100, and are inserted into the socket insertion groove 110. The fastening hole 112 is formed to correspond to the through hole 102, and the fixing member 130 positioned outside the wheel nut wrench 100 passes through the through hole 102 to the fastening hole 112. Wheel nut wrench for a vehicle, characterized in that coupled to the socket nut 111 is inserted into the socket insertion groove (110).
The method according to claim 1, wherein the socket nut 111 is reduced in diameter along the other direction of the body to be inserted into the socket insertion groove 110 to form a small diameter head 115 protruding curved, the small diameter head ( 115) Wheel nut wrench for a vehicle, characterized in that the nut insertion groove (115a) of the rectangular or hexagonal shape is further formed in the center.
The method of claim 1, wherein the wheel nut wrench 100 is manufactured having a hexagonal outer diameter shape and an inner diameter shape and has a hexagonal insertion portion 151 inserted into the socket insertion groove 110 at one end thereof, the other end inner diameter The fixed head 150 formed with a hexagonal or quadrangular head nut insertion groove 152 is coupled, the head coupling hole 153 is cross-mounted to the fixed head 150 is configured to be further formed Car wheel nut wrench, characterized in that.
The wheel nut wrench of claim 1, wherein the stopper 210 including the ball member moving up and down by elasticity of the elastic member is formed to protrude outward from both sides of the handle part 200.