KR20160106424A - Box-socket wrench of assembly type - Google Patents

Abstract

The present invention has a purpose to provide an assembly type box-socket wrench (1) to assemble and disassemble the box-socket wrench (1) used when releasing and fastening various bolts, nuts or locknuts, and so on. In the present invention, several large box-sockets (2) having different dimensions coupled to spindle nuts with various dimensions and shapes, a socket connecting mechanism (3) to which wrench handles are coupled and small box-sockets (4) with relatively small diameters which are opposed to large box-sockets (2) are connected and configured in an assembly type. Additionally, a guide pipe (5) prevents the box-socket wrench (1) from being separated from a spindle nut at a side of the socket connecting mechanism (3) in such a way to be fixedly coupled in an assembly type. According to the present invention, manufacturing costs can be significantly reduced since several large box-sockets (2), a socket connecting mechanism (3), small box-sockets (4), and a guide pipe (5) are configured in an assembly type, and thereby mass production of each component member is available. Several large box-sockets (2) can be superposed, thereby storage in a narrow place is available. Convenience of use can be maximized since the box-sockets have high portability with high transportation efficiency. Various effects are expected in that convenience of use can be improved while reducing repair and maintenance costs for dedicated tools such as air impact wrenches, torque wrenches, ratchet socket wrenches, etc. or non-dedicated tools such as levers, jack levers, etc. since exchange or purchase is required for corresponding damaged and missing parts only.

Description

Box-socket wrench of assembly type

The present invention relates to a built-in type socket wrench, and more particularly, to a socket wrench used for unlocking various types of bolts, nuts, or lock nuts. And it is intended to provide a built-in box socket wrench which is easy to store and carry.

Such a box socket wrench can be used when a bolt and a nut used in various industrial fields such as a bolt and a nut are very small in a very small bolt or nut according to the size of a box socket by simply coupling and disassembling the box socket and handle. In the present invention, for example, bolts and nuts formed by hexagonal, octagonal, or hexagonal shapes are used to fasten a hub or a wheel to axles of various automobiles such as trucks of 1 ton or more, A lock nut in which a plurality of pinholes (or key holes, lug holes) are formed on a surface of a circular nut, or a lock nut in which a plurality of square grooves (or key grooves, lug grooves) A spindle nut, a hub nut, and a bearing nut (hereinafter collectively referred to as a "spindle nut") having various shapes such as a lock nut having a plurality of square grooves formed on the surface of a dish-shaped nut A situation that is used for removing or binding the hub or wheel.

These axles have been previously divided into front axle and rear axle, and spindle nuts have been standardized in the same two models. In recent years, however, Wheel, rear three-wheel, etc., and the axle is used in a vehicle depending on whether it is a live axle, a dead axle, or an on-off axle or a hanging axle. When the spindle nut of the spindle is loosened or released, the center of the bolt socket wrench is supported in the hollow part where the drive shaft is removed, so that the socket wrench inserted into the nut is not detached The guide tube of the role was required inside the socket wrench. In case of the sagittal axis, since the hollow shaft was not available, the guide tube was required to be removed so that a structure was required to maintain the center of the tool I will.

As disclosed in Korean Utility Model Publication No. 1990, No. 5422 (published on June 18, 1990), a plurality of socket bodies having various dimensions are provided, and the guide tube is screwed into the inside of each socket body However, since the socket body of the socket body is not stacked with the fixed base provided with the insertion hole for inserting the square shaft of the handle, the socket body can not be stacked, so that several sockets of different sizes can be stored and carried It has a problem that it is difficult to carry it in a small tool box or the like as the storage place becomes wider.

As disclosed in Korean Patent Publication No. 49474 (published on Jun. 26, 2002) as a technique for complementing this, a first socket and a second socket, which are slidably coupled to the inside of the first socket, A third socket coupled to be slidably coupled to the first socket has been developed to release or unscrew bolts or nuts of different sizes. However, due to the limitation of length and thickness, In order to unscrew or tighten the spindle nut of a vehicle having many kinds of dimensions, it is also difficult to store and carry because it has to have several multi-sockets of various sizes. When the third socket is connected to the second socket or the second socket, There is no separate fastening means when sliding the spindle nut or the like, which makes it difficult to unscrew or tighten the spindle nut screwed tightly to the axle etc. It was.

KR 20-1990-0005422 Y1 1990. 6. 18. KR 10-2002-0049474 A 2002. 6. 26.

The present invention has been devised to solve the above-described problems of the prior art, and it is an object of the present invention to provide a motorcycle of the present invention, , Rear three-wheel, etc., even if the spindle nuts are used in a variety of sizes and shapes so that they can be loosened or worn by a set of box socket wrenches. And a small-sized socket having a small size is assembled to the rear of the large-sized socket. The guide pipe is fixedly installed on one side of the large-sized socket so that various spindle nuts The socket, the socket, and the guide tube are separately stored and stored in a narrow place It is easy to carry such as storing and transporting. It is equipped with special tools such as impact wrench, torque wrench or ratchet socket wrench, the present invention provides a built-in box socket wrench for use with non-dedicated tools such as a bar, a lever, and a jack lever.

In order to solve the above-mentioned problems, the present invention provides a built-in type box socket wrench, which comprises a plurality of large box sockets and a plurality of wrench sockets having different dimensions, which are coupled to spindle nuts of various sizes and shapes, The socket is formed by a fastening bolt, and the socket is formed in a hollow truncated cone shape extending to the front end and has an insertion hole penetratingly formed therebetween. And an inward flange portion formed inwardly bent at a rear end of the main body portion and radially formed with a plurality of engagement holes penetratingly formed therein, wherein the socket connection port is formed by a large coupling portion formed on an inward flange portion of the large- Several radial holes are formed radially to correspond to the ball and are fastened with fastening bolts. And coupling are configured to abut against the inward flange plate, and the middle characterized in that the engaging projection of the wrench handle fixedly fitted into a ball made of a rectangular through-formed in the fitting of the coupling plate.

And a small box socket facing the opposite direction to the large box socket around the socket connecting opening. The small box socket is formed in a cylindrical shape smaller than the large body portion of the large box socket, A sintered joint portion formed so as to be coupled to the spindle nut at the tip end of the small body portion and an outward flange portion formed outwardly bent from the rear end of the small body portion and radially formed with a plurality of small coupling holes, A plurality of small connecting holes may be radially formed to correspond to the small fitting holes formed in the outward flange portion of the small box socket so as to be in contact with the outward flange portions when fastened by the fastening bolts.

In addition, at one side of the socket connecting hole, there is formed a protruding coupling hole through which the fitting hole is protruded so as to penetrate to the center, and which has a fixing groove formed on the outer circumference of the protruding tip portion. The protruding coupling hole is inserted into the rear side, A plurality of female screw holes may be radially formed to penetrate the female screw hole, and when the set screw is screwed to the female screw hole, the guide screw may be further provided to be fixedly coupled to the male screw hole while the tip of the set screw is inserted into the fixing groove.

According to the concrete means for solving the above-mentioned problems, the assembled-type box socket wrench of the present invention includes a plurality of large-box sockets having different dimensions to be coupled to the spindle nuts, and a socket connecting port to which the wrench handle for turning the large- It can be assembled by assembling and assembling. It is possible to assemble a small box socket with a diameter smaller than that of the large box socket, opposite to the large box socket around the socket connecting opening. The guide pipe can be assembled into the socket connecting hole through the large- So that it is possible to remarkably reduce the manufacturing cost by mass-production of the respective constituent members, and it is possible to construct a plurality of large-box sockets with different dimensions in the form of a truncated cone having a wide front end and a narrow rear end, Because it can be overlapped, it can be stored in a small place, It is very easy to carry, so it can be carried at any time by accommodating several small box sockets, socket connecting sockets, small box sockets and guide pipes of various sizes in a small tool box at the time of business trip due to breakdown of automobile etc. You can.

In addition, the Vauxhall socket wrench of the present invention is made by assembling components such as a large box socket, a socket connecting socket, a small box socket, and a guide pipe so that when the spindle nut is deformed, damaged or lost due to long- The cost of maintaining and repairing can be significantly reduced because the purchasing cost can be significantly lowered by purchasing. By combining special tools such as air impact wrench, torque wrench, and ratchet socket wrench with the fitting hole of the socket connecting hole, the spindle nut , And even if there is no such special tool, it is possible to combine non-special tool such as metal bar, lever, and jack lever to the insertion hole of the large box socket or small box socket to easily loosen the spindle nut attached to the axle, It is possible to double the convenience of use. A.

1 is an exploded perspective view of a box socket wrench according to the present invention.
2 is an assembled cross-sectional view of the box socket wrench of the present invention
FIG. 3 is a perspective view of a large-box socket and a socket connector in an assembled state in the present invention;
Fig. 4 is a perspective view showing a state in which the small box socket is further assembled in the present invention
Fig. 5 is a perspective view of the guide pipe assembled to the socket connecting hole in the present invention. Fig.
6 is an exemplary view showing another form of a large-box socket according to the present invention
FIG. 7 illustrates an example of a state in which several large-box sockets are overlapped in the present invention
8 is a plan view showing a state in which the box socket wrench of the present invention is disassembled and housed in a tool box

In the present invention, for example, a spindle nut for coupling a hub or a wheel to a vehicle axle such as a large-sized truck or the like of 1 ton or more is loosened or clamped The present invention is to provide a built-in box socket wrench that can be assembled and disassembled and will be described in detail below with reference to the drawings.

The above-described assembled-type bolt socket wrench 1 of the present invention includes a plurality of large-sized boxes (not shown) having different dimensions coupled to spindle nuts of various sizes and shapes coupled to an axle, as shown in the exploded perspective view of FIG. 1 and the assembled cross- A socket connection port 3 through which a wrench handle for unscrewing or unscrewing a spindle nut is rotated by turning the socket socket wrench 1 and a socket connection port 3 opposed to the socket socket 2 with a socket connection port 3 as a center A small box socket (4) which is connected to a spindle nut having a smaller diameter than the large box socket (2) while facing in the opposite direction, and a spoke nut In this case, the guide pipe 5 is inserted into the hollow portion from which the drive shaft is removed, and protrudes toward a side coupled to the spindle nut so as to support the center of the box socket wrench 1. [

In the present invention, the large box socket (2) is provided with a large body portion (21) formed in a hollow truncated cone shape having a wide front end and a narrow rear end and extending to the front end, And a metal bar, a lever, a jack lever, and the like are inserted to be rotatable by itself. At the tip of the main body portion 21, a hexagon and a hexagon And an inward flange portion 23 formed inwardly bent at the center of the main body portion 21 is provided at the rear end of the main body portion 21, The flange portion 23 has a plurality of through holes 24 radially formed therethrough so that the diameter of the large body portion 21 and the inner surface of the facing portion 22 of the large box socket 2 are 5 mm And the number of such slots may be about 8, The size of the socket connecting hole 3 may be two or three.

The socket connection port 3 is provided with a coupling plate 31 configured to contact the inward flange portion 23 of the large box socket 2 and a box socket wrench 1 is provided at the center of the coupling plate 31, A square fitting hole 32 through which a square fitting protrusion of a wrench handle tip of a special tool such as an air impact wrench, a torque wrench, and a ratchet socket wrench is inserted and fixed is formed so as to be able to unscrew and unscrew the spindle nut A plurality of coupling holes 33 corresponding to the coupling holes 24 formed in the inward flange portion 23 of the large box socket 2 are formed in the radial direction outside the fitting hole 32 of the coupling plate 31, And the large coupling hole 33 and the large coupling hole 24 are fastened with the fastening bolts 7 so that the large box socket 2 and the socket coupling hole 3 are connected and assembled as shown in FIG. will be.

The socket socket 4 of the present invention has a socket connector 3 in the box socket wrench 1 shown in Fig. 3 in which a socket connector 3 is assembled to the rear of the large socket socket 2 as shown in Fig. The socket socket 4 is connected to the socket receptacle 2 and the receptacle socket 3 at the center of the receptacle connector 3. The receptacle receptacle 2 and the socket receptacle 2 are connected to each other through a socket connection port 3, And a small body portion 41 formed in a cylindrical shape smaller than the main body portion 21 so as to face opposite to the main body portion 41. The small body portion 41 has an insertion hole 6 penetrating right and left, (not shown) formed to have an inner surface such as a hexagonal, octagonal, or hexagonal shape so as to be coupled to a spindle nut at the tip end of the small body portion 41. [ (42), and the rear end of the small-body part (41) is provided with an outwardly bent part Generated several small radial engagement hole 44 to the outward flange 43 while provided with the outward flange 43 is made to be a through-formed.

At this time, in the coupling plate 31 of the socket connection port 3, a plurality of small connection holes 34 radially corresponding to the small coupling holes 44 formed in the outward flange portion 43 of the small box socket 4 are formed The small socket socket 4 may be formed by connecting the small sockets 42 and the small socket holes 34 with a plurality of fastening bolts 7, Or the sintered portion 42 at the tip end may be formed to have a size smaller than that of the facing portion 22 of the smallest socket 2 of the large box socket 2 or the size and shape of the most common spindle nut, The large coupling hole 24 of the large box socket 2 and the small coupling hole 44 of the small box socket 4 are formed so that the large coupling hole 33 and the small coupling hole 34 of the socket connecting hole 3 coincide with each other. Can be fastened with the same fastening bolt 7 and the large coupling hole 24 of the large box socket 2, the large coupling hole 33 and the small coupling hole 34 of the socket coupling hole 3, small The socket connecting hole 34 of the socket socket 4 or a part of the socket connecting hole 34 is formed as a long hole so that the socket connecting hole 3 can be tightened with the fastening bolt 7 even if the size of the socket connecting hole 3 changes according to the size of the large socket socket 2 You can do it.

In addition, the box socket wrench 1 of the present invention has a structure in which the large box socket 2 and the socket connecting opening 3 are assembled as shown in FIG. 3, In the structure in which the box socket 4 is further assembled to the socket connecting hole 3, when the axle is inside the large-box socket 2 or inside the small box socket 4, it is inserted into the hollow portion from which the driving shaft is removed, The guide pipe 5 for supporting the center of the socket wrench 1 so as not to be detached can be further assembled to the socket connector 3.

5, the guide pipe 5 is formed in a cylindrical shape so as to protrude from one side of the socket connecting hole 3 so as to penetrate the insertion hole 32 in the center and to rotate around the outer periphery of the front end, A plurality of female screw holes 51 are radially formed at the rear end of the guide tube 5 and a set screw 52 is inserted into the female screw hole 51 The tip end of the set screw 52 is inserted into the fixing groove 36 of the projecting engagement hole 35 and the guide pipe 5 is fixed to the projecting engagement hole 35. [

The large-box socket (2) of the present invention can be formed differently in the shape of the facing portion (22) at the front end depending on the shape of the spindle nut and the size of the spindle nut. 8, 12, or the like, when the outer shape of the spindle nut is formed of hexagonal, octagonal, or twelve, the inner surface of the spindle nut may have a hexagonal, octagonal, 6, when a plurality of pin holes are formed on the surface of the circular nut, a plurality of square grooves are formed on the outer diameter of the circular nut, or a plurality of square grooves are formed on the surface of the serrated nut, The lug 221 may be formed so as to protrude forward from the front end of the spindle nut so that the lug 221 may be inserted or hooked into the pin hole or the square groove. Which may be formed so as to protrude In the case of the small box socket 4, as in the case of the large box socket 2, the shape of the sintered joint portion 42 is an inner surface contacting the outline of hexagonal, octagonal, and twelve angles depending on the shape and size of the spindle nut. A lug 221 coupled to two to eight keyways, and a coupling rod inserted into two to eight keyways may be formed to protrude forward or inward.

The assembled type socket wrench 1 of the present invention constructed as described above is constructed such that both the large box socket 2, the socket connecting hole 3, the small box socket 4 and the guide pipe 5 are assembled and disassembled If necessary, assemble only the large box socket (2) and the socket connector (3), or assemble the small box socket (4), or assemble only the socket connecting hole (3) and the small box socket (4) It is possible to implement the box socket wrench 1 by assembling the guide pipe 5 into the socket connecting hole 3 into the socket 2 or the small box socket 4 and more specifically, As follows.

The assembled type socket wrench (1) of the present invention selects the large box socket (2) matching the dimension and the shape of the spindle nut coupled to the axle and arranges the socket connecting hole (3) The plurality of coupling holes 24 formed in the inward flange portion 23 of the socket connecting hole 3 and the plurality of coupling holes 33 formed in the coupling plate 31 of the socket coupling hole 3 are matched with the fastening bolts 7 3, when the small box socket 4 is fitted to the dimensions and the shape of the spindle nut, the socket connector 3 is connected to the rear end of the small box socket 4 without the large box socket 2. However, Several small holes 44 formed in the outward flange portion 43 of the small box socket 4 and several small holes 34 formed in the coupling plate 31 of the socket connecting hole 3 And the small box socket 4 is fastened to the socket connector 3 in place of the large box socket 2 in FIG. As shown in FIG.

Thereafter, the square engaging projections of the wrench handle ends of special tools such as an air impact wrench, a torque wrench, and a ratchet socket wrench are fitted and fixed in the fitting hole 32 of the socket connecting hole 3, The socket connecting port 3 can be forcibly rotated and the lever or the jack lever can be rotated through the main body portion 21 of the large box socket 2 or the small body portion 41 of the small box socket 4 And the large box socket 2 or the small box socket 4 is forcedly rotated manually by inserting it into each inserting hole 6 so that the large box socket 2 or the small box socket 4 is twisted The spindle nut coupled to the large-diameter socket portion 22 of the large-box socket 2 and the small-diameter socket portion 4 of the small box socket 4 can be forcibly rotated to unroll or unscrew the spindle nut from the axle, And the like can be combined or separated.

The assembled box socket 2 of the present invention is assembled with the socket socket 2 and the receptacle socket 3 as shown in FIG. 4 and then mounted on the receptacle socket 3 facing the socket socket 2 The small box socket 4 facing in the opposite direction is inserted into the socket connecting hole 3 through the small bolts 44, the small connecting holes 34 and the large connecting holes 33 with the fastening bolts 7, The spindle nuts corresponding respectively to the confronting portion 22 of the large box socket 2 and the sintered portion 42 of the small box socket 4 are fastened together with the single box socket wrench 1, The wrench handle of the special tool may be coupled to the fitting hole 32 of the socket connecting hole 3 to forcibly rotate or the lever or jack lever serving as a non-exclusive tool may be connected to the socket 2 of the large box or the socket It can be engaged with each insertion hole 6 of the box socket 4 and forcedly rotated.

The socket 2 and the socket connector 3 are connected to each other or the socket socket 4 and the socket connector 3 are connected to each other. When the guide pipe 5 is coupled to the socket connecting hole 3 so that the spindle nut of the large box socket 2 or the small box socket 4 is coupled to the front end, When the axle to which the spindle nut is coupled is an axle, the guide pipe 5 is inserted into the hollow portion from which the drive shaft is removed, Alternatively, the tip end of the small box socket 4 is coupled to a spindle nut, and the box socket wrench 1 of the present invention is rotated using an air impact wrench, a torque wrench, a jack lever or the like to unscrew or remove the spindle nut The box socket wrench (1) can be prevented from falling apart will be.

Several large box sockets 2 having different dimensions and shapes coupled to spindle nuts of various sizes and shapes in the present invention may be of the same type as those shown in Figure 7, And thus it is necessary to provide a large storage space and a display space. However, according to the present invention, as shown in FIG. 7, And it is difficult to haul heavy trucks of more than 1 ton. Therefore, it is necessary to provide service when the vehicle breaks down. However, a set of a box socket wrench (1) for separating the hub and the wheel from the conventional axle is broken It is difficult to carry and carry the vehicle to a place where the vehicle is located. However, according to the present invention, A plurality of socket receptacles 2 having various dimensions are stacked so that two or three socket connection ports 3 and one small box socket 4 and one or two guide pipes 3 are connected to a small tool box 8, (5) so that it can be carried and carried extremely easily, thereby maximizing convenience in use.

Further, the assembled type box socket wrench 1 of the present invention can assemble and disassemble the large box socket 2, the socket connecting hole 3, the small box socket 4, the guide tube 5, It is possible to remarkably reduce the cost of manufacturing, and when some of the structural members are deformed, damaged or lost, it is possible to re-purchase each structural member, so the cost for maintenance and repair can be greatly reduced, It is.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, And should be defined by the claims as well as equivalents thereof.

1: Vox socket wrench 2: Vox socket
21: main body portion 22: confronting portion
221: lug 23: inward flange
24: Large coupling hole 3: Socket coupling
31: engaging plate 32:
33: Large connecting hole 34: Small connecting hole
35: projecting engaging hole 36: fixing groove
4: Small box socket 41: Small body part
42: sintered portion 43: outward flange portion
44: small coupling hole 5: guide tube
51: female thread ball 52: set screw
6: Insertion hole 7: Tightening bolt
8: Tool box

Claims (3)

(22) formed in the form of a hollow truncated cone extending to the front end and formed with through holes (6) penetrating right and left, and a spindle nut (22) formed at the tip of the spindle body (21) And an inward flange portion 23 which is bent inwardly from the rear end of the main body portion 21 and in which several coupling holes 24 are radially penetrated and a plurality of large box sockets 2 );and,
A plurality of coupling holes 33 are formed radially so as to correspond to the coupling holes 24 formed in the inward flange portion 23 of the large box socket 2 so that when the coupling bolts 7 are fastened by the coupling bolts 7, And a socket connecting hole 3 formed of a square fitting hole 32 formed in the center of the connecting plate 31 so as to penetrate the fitting protrusion of the wrench handle so as to be fitted and fixed thereto, Wherein said socket wrench comprises:
The method of claim 1,
A small body portion 41 formed in the shape of a cylinder smaller than the main body portion 21 while facing the opposite side of the socket connection port 3 in the opposite direction so as to be laterally inserted into the insertion hole 6 And a plurality of small engaging holes 44 formed radially outwardly from the rear end of the small body portion 41. The plurality of small engaging holes 44 are formed on the outer circumferential surface of the small body portion 41, And a small box socket (4) composed of a through-formed outward flange portion (43)
The coupling plate 31 of the socket connector 3 includes a plurality of small connection holes 34 radially penetratingly associated with the small coupling holes 44 formed in the outward flange portion 43 of the small box socket 4 And the small bolt (44) and small bolt (34) are brought into contact with the outward flange (43) when fastened by the fastening bolt (7).
The method according to claim 1 or 2,
A protruding coupling hole 35 formed at one side of the socket connecting hole 3 so as to protrude through the center hole 32 and having a fixing groove 36 formed around the outer periphery of the protruded front end,
A plurality of female screw holes 51 are radially formed at the rear end of the set screw 52 so that the tip of the set screw 52 is screwed into the female screw hole 51 And a guide pipe (5) configured to be inserted into the fixing groove (36) and fixedly coupled to the protrusion coupling hole (35).

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