KR100442752B1 - The Auto Spanner - Google Patents

Abstract

The present invention is a lever (1) is applied to the case where the use of a conventional automatic spanner or box is not possible, that is, even when used as a conventional spanner, and formed on the upper portion of the lever (1), the bolts and nuts are placed in the upper Is open and consists of a first jaw (2) formed on both sides and a toggle jaw (3) provided with a toggle fixing bolt (8) for adjusting the moving distance of the toggle (7) and the toggle (7) It is about.

Description

Auto Spanner {The Auto Spanner}

The present invention relates to an automatic spanner, which will be described in detail, a lever (1), a first jaw (2) formed on an upper side of the lever (1), an upper portion of which is open, and formed on both sides, a toggle (7) and It relates to an automatic spanner composed of a second jaw (3) provided with a toggle fixing bolt (8) for adjusting the moving distance of the toggle (7).

In general, a spanner is a tool for tightening and releasing bolts and nuts, and two jaws are formed to face one end of a long lever, and the bolts and nuts are inserted between the jaws to rotate. The spanner is of a type in which the two jaws are fixed and one of the two jaws is movable so as to adjust the spacing between the jaws according to the size of the bolt and nut.

There is also a box spanner using a box as a tool for tightening and releasing bolts and nuts. The box has a vox hole to be inserted into the vox projection of the vox spanner on one side, and a fitting hole for inserting a fixing part such as a bolt or a nut to the other side. The vox spanner has a ratchet mechanism that is a one-way rotating mechanism. The box protrusion is rotated only in either the forward direction or the reverse direction.

Therefore, the box's box hole is inserted into the box's box protrusion, the box's fitting hole is inserted into the bolt and nut, and then the box spanner is rotated in the reverse and forward directions. It only rotates in the direction so that the bolts and nuts can be tightened or loosened.

These spanners and box spanners have been used to select a tool that is easy to work in accordance with the fixing position of the bolt nut during the assembly and disassembly of the device in the workplace.

However, despite the emergence of various spanners, much research has been conducted to improve work efficiency.

For example, Korean Laid-Open Patent Publication No. 2000-0000449 has a coupling hole in which a head or nut of a bolt is coupled to a middle portion thereof, and a fastening block having a ratchet gear formed thereon, and the fastening block are rotatable and detachable. And a holder portion having an insertion hole corresponding to the coupling hole in the middle portion thereof, and provided in the holder portion to be elastically engaged with the ratchet gear of the fastening block so that the fastening block can rotate only in one direction. It comprises a ratchet and a handle extending from one side of the holder portion, the fastening block is composed of the first and second blocks are divided in the radial direction to be assembled to each other, the insertion hole of the holder portion is open on one side Automatic spanner into which the pipe or bolt shaft is inserted through the opening is described.

Publication No. 1999-028347 describes a hexagonal head part, in particular a ratchet spanner for rotating a screw or nut,

Publication No. 2002-0062631 discloses a spanner including a movable screw receptacle, characterized in that the screw receptacle can move 60 degrees continuously from the outside.

The Republic of Korea Utility Model Registration No. 20-0243241 has a circular work block insertion groove formed inside the head of the socket-type spanner, a screw on the upper portion and a stepped portion formed on the lower portion thereof, the work block insertion groove An annular work block having a ratchet is formed on the outside and a work surface is formed on the inside thereof, and the clamping force of the spring is applied so that the work block is caught by the ratchet while the work block is inserted into the work block insertion groove. It is installed inside the head so that the top screw of the work block insertion groove has an annular work block fixing cap to prevent detachment of the work block so that the bolt or nut can be continuously tightened or loosened. A one-way rotating spanner is described,

Publication No. 20-261440 discloses a spanner having two jaws facing each other on one side of the lever to tighten or loosen a fixing part such as a bolt nut, the one-way rotating mechanism being provided on the other side of the lever. A box rotating mechanism configured to rotate the box protrusion in only one of the forward and reverse directions using a ratchet ball is integrally formed, and a through hole is formed on the box rotating mechanism side of the lever, and a curved groove is formed on the gripping portion of the lever. A spanner with a vox rotating mechanism having a portion is disclosed.

The conventional automatic spanner and box as described above are difficult to use in a place where only one side is open and there is insufficient space for tightening or dismantling the bolt head in the part where the other side is closed or inside the device in which the narrow space is formed. come.

The present invention, in order to solve the above problems, the lever (1) is applied even where the use of the automatic spanner or box is not available and only the conventional unique spanner, hex bolt nut is inserted into the upper portion of the lever (1) It is composed of a first jaw (2) formed on both sides and a second jaw (3) provided with a toggle fixing bolt (8) for adjusting the moving distance of the toggle (7) and the toggle (7) formed on both sides. It is intended to provide an automatic spanner configured to automatically loosen or tighten in one direction by rotating the lever left and right in succession while the other direction is idle.

1 is a detailed view of the automatic spanner of the present invention

Figure 2 is an automatic spanner assembly and disassembly detail of the present invention

Figure 3 is a plan view of the automatic spanner of the present invention

4 to 6 is a state diagram using the automatic spanner of the present invention

Figure 7 is a state diagram used in the reverse direction of the automatic spanner of the present invention

<Description of the Drawings>

Lever (1), first jaw (2), second jaw (3), toggle groove (4), toggle lock groove (4 '), spring fixing hole (5), toggle fixing bolt hole (6), toggle ( 7), toggle fixing bolt (8), spring (9), toggle fixing pin (10), spring fixing pin (11).

In order to achieve the above object, the present invention can be used even when the use of vox is impossible, and the lever 1 and the upper part of the lever 1 are formed, the bolts and nuts are settled, and the upper part is open and formed on both sides. It relates to an automatic spanner comprising a first jaw (2) and a second jaw (3) provided with a toggle fixing bolt (8) for adjusting the moving distance of the toggle (7) and the toggle (7).

The present invention is to be fixed in only one direction by the toggle (7) installed in the second jaw (3) to apply a pressure to the lever to one side and the hexagon inserted between the first and second jaw (2,3) When the bolt nut is in close contact with one side and rotates the hexagon bolt and nut to one side and the reverse rotation, the toggle 7 is moved upwards by a certain interval so that the hexagon bolt and the nut are fixed (hexagon bolt and nut are fixed). As the second jaw (2, 3) (automatic spanner) is rotated in the opposite direction, the hexagonal bolt, the toggle 7 formed in the second jaw (3) of the present invention is in close contact with the next side of the nut, the hexagon bolt nut In more detail, as shown in FIG. 3, the toggle 7 is set based on the center point of the toggle 7 and the starting point of the usable angle around the center point of the hexagonal bolt nut (0 °). The limit angle that is moved (about 25 °), which means that if the limit angle (about 25 °) is exceeded, Since the tool is moved in the shape of a toggle arrow, the usable angle in the present invention is an angle a (about 8-9 °) consisting of a line extending from the center point of the toggle 7 to the edge of the hexagonal bolt nut. It is an angle.

As shown in Fig. 4, when the lever 1 is pulled to the left, the hexagon bolt nut is tightened. When the pressure is applied to the opposite side, the first toggle 7 is contacted when the toggle 7 reaches the angle a as shown in Fig. 5. The hexagonal bolt nut surface (a) is moved to the lower surface (b) (neighboring lower surface).

By rotating the lever 1 to the left and right according to the same principle as above, the hexagon bolt nut is rotated in one direction and tightened. On the contrary, when the lever 1 is rotated to the left and right in the same manner, the wrench is loosened. will be.

Hereinafter, the present invention will be described with reference to the drawings.

1 is a detailed view of the automatic spanner of the present invention, Figure 2 is a detailed view of the automatic spanner assembly and disassembly of the present invention, Figure 3 is a detailed plan view of the automatic spanner of the present invention, Figures 4 to 6 is a state of use of the automatic spanner of the present invention 7 shows a state diagram used in the reverse direction of the automatic spanner of the present invention, and includes a lever 1, a first jaw 2, a second jaw 3, a toggle groove 4, a toggle fixing groove ( 4 '), spring fixing hole (5), toggle fixing bolt hole (6), toggle (7), toggle hole (7-1), toggle fixing bolt (8), spring (9), toggle fixing pin (10) It can be seen that the spring fixing pin 11 is shown.

Looking at the structure, it consists of a lever (1), the first jaw (2) and the second jaw (3) formed on the upper portion of the lever (1), the bolt and nut is settled, the top is open and formed on both sides It is

The second jaw (3) is formed in the upper end and the toggle groove (4) formed in the "c" shape, the toggle fixing groove (4 ') formed through one side of the end and the toggle fixing groove A toggle fixing pin 10 inserted into the 4 'to fix the toggle 7 to the second jaw 3, and a toggle inserted into the toggle groove 4 and fixed by the toggle fixing pin 10; 7), a spring fixing through hole 5 formed in the lower portion of the toggle fixing groove 4 ', a spring fixing pin 11 inserted into the spring fixing hole 5, and a central portion of the spring fixing pin 11 ) Is inserted into one side is in close contact with the inside of the middle of the toggle groove (4), the other side is formed with a spring (9) attached to the lower portion of the toggle (7), the outer lower end of the second jaw (3) It is penetrated to the bottom of the toggle groove (4), it is inserted into the toggle fixing bolt through hole (6) having a screw line therein, and the toggle fixing bolt through hole (6) is inserted into the lower end of the toggle (7) It is an automatic spanner composed of a toggle fixing bolt 8 that adjusts the position of the toggle 7 and the reverse pressure.

As shown in FIG. 2, the toggle 7 protrudes in the shape of an arrow, and the center portion of the toggle 7 has a thinner thickness so as to be inserted into the toggle groove 4. The toggle hole 7-1 is provided.

Explaining how to assemble

Assembling the various parts shown in Figure 2 as shown in Figure 3, more specifically, the toggle provided in the "c" shape formed on the upper end of the second jaw (3) formed on the upper portion of the lever (1) Toggle fixing grooves 4 'formed by matching the toggle 7 to the grooves 4 and penetrating through one end surface of the second jaw 3 and the toggle fixing through holes 7-1 of the toggles 7-1. A toggle lock pin (10) to lock the toggle (7),

The spring fixing pin 11 is inserted into the spring fixing hole 5 formed in the lower portion of the toggle fixing groove 4 ', and the spring 9 is inserted into the middle of the spring fixing pin 11 to spring 9. To the lower side of the toggle (7), and then insert the toggle fixing bolt (8) in the toggle fixing bolt through hole 6 formed in the outer lower end of the second jaw (3) position and reverse of the toggle (7) It is assembled by adjusting the pressure.

Explain how to use

As shown in Fig. 4, the first jaw 2 is placed on the right side and the second jaw 3 is placed on the left side.

After inserting the hexagon bolt and nut between the first and second jaws (2, 3) as shown in Fig. 4A, the hex bolt and the side of the nut are applied to the left side of the lever 1 Rotate to and move it as (B) to rotate the hexagon bolt and nut.

As shown in Fig. 5, when the lever 1 is rotated to the right again as shown in (C), the bolt and nut are fixed, and the toggle 7 is slightly moved upwards (the distance moved at the moment 3) The other side (b) of the hexagonal bolt nut is closely attached to the first and second jaws as shown in (D). When the lever 1 is rotated to the left as shown in Fig. 6, it becomes (E) through (G) to (F), and the hexagonal bolt and nut are rotated and tightened by the lever 1 without any action.

In another case, as shown in Fig. 7, the position of the automatic spanner of the present invention is reversed so that the second jaw (3) is positioned on the right side and the second jaw (4) is on the left side. By operating the lever (1) is to loosen the hexagon bolts, nuts automatically.

As described above, the present invention can not be used in a device formed with one or both of the closed spaces or as a box or a conventional automatic spanner, and can work in a narrow space in a complicated device that can be used only as a conventional spanner. It is good, because the force is applied in only one direction when loosening or tightening the bolt or nut, it is possible to continuously work without detaching the spanner from the bolt or nut, it is possible to shorten the working time, there is a structurally stable advantage.

Claims (2)

In an automatic spanner, a lever 1 and a first jaw 2 and a second jaw 3 which are formed on the upper part of the lever 1, bolts and nuts are settled, the upper part of which is open, and which are formed on both sides. The second jaw (3) is formed on the upper end and the toggle groove (4) formed in the "c" shape, and the toggle fixing groove (4 ') formed through the one side end portion, A toggle fixing pin 10 inserted into the toggle fixing groove 4 'to fix the toggle 7 to the second jaw 3, and inserted into the toggle groove 4 by a toggle fixing pin 10; Toggle (7) is fixed, the spring fixing through hole (5) formed in the lower portion of the toggle fixing groove (4 '), the spring fixing pin (11) inserted into the spring fixing through hole (5), the central portion is the spring Inserted into the fixing pin 11 and one side is in close contact with the middle of the toggle groove 4, the other side is a spring (9) attached to the lower portion of the toggle 7 and the second jaw (3) An outer lower end portion is formed, penetrated to the bottom of the toggle groove 4, and is inserted into the toggle fixing bolt through hole (6) having a screw thread therein, and the toggle fixing bolt through hole (6) is inserted into the Automatic spanner, characterized in that consisting of a toggle fixing bolt (8) for adjusting the position and reverse pressure of the toggle (7) by approaching the lower end. 2. The toggle hole of claim 1, wherein the toggle 7 protrudes in the shape of an arrow and the center portion of the toggle 7 has a thin thickness to be inserted into the toggle groove 4. Automatic spanner characterized in that the structure provided with (7-1).