KR200309103Y1 - The spanner - Google Patents

Abstract

The present invention has a lever (1), the first jaw (2) formed on both sides of the open and formed on the upper side of the lever (1), the bolt and nut is settled, the projection 20 is provided on one side, 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) and the toggle (7).

Description

Auto Spanner {The spanner}

The present invention relates to an automatic spanner, which will be described in detail, a first jaw (2) having a lever (1), a protrusion (20) formed on an upper portion of the lever (1), a toggle (7), and a toggle (7). It relates to an automatic spanner consisting of a second jaw (3) provided with a toggle fixing bolt (8) for adjusting the moving distance of.

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 can be rotated and detached. 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 is intended to solve the above problems, Utility Model Registration Application No. 20-2002-30200 No. 20-2002-0037719 and Patent Application No. 10-2002-62014 (20022, 10, 10) Design and name of invention As an improvement of the structure of automatic spanner,

Since the toggle of the pre-developed design is operated from the center of one side of the hexagonal bolt and nut hexagon face (the tightening force drops sharply when it goes down the center) to the end of the upper hexagonal corner, the device for adjusting the toggle and the toggle becomes larger. It aims to provide an automatic spanner by compensating for the disadvantage that the spanner's rotation angle decreases in a narrow work space and the spanner is removed from the bolt when working at a high place.

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 another example 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, 25), toggle fixing bolt hole (6), Toggle (7), Toggle through (7-1), Toggle front upper part (7-2), Toggle front middle part (7-3), Toggle front lower part (7-4), Toggle fixed body (7-5), Toggle fixing bolt (8), spring (9,29), toggle fixing pin (10), spring fixing pin (11, 21), protrusion (20), protrusion body through hole (20-1), protrusion fixing groove (24) ), Protrusion fixing bolt through hole (26), protrusion fixing pin (28)

In order to achieve the above object, the present invention can be used even when the use of the box is impossible. And a second span (3) provided with a toggle fixing bolt (8) for adjusting the moving distance of the toggle (7).

The present invention satisfies the result of using the applicant's pre-applied automatic spanner, but sometimes the toggle has less contact with the side of the bolt and nut, so when the bolt and nut are loosened in the process of loosening the bolt and nut, the bolt and nut are automatically In order to compensate for the deviation of the spanner from the spanner to the open space formed between the jaws and the jaws, the structure of the toggle and jaws has been modified to allow more contact with the bolts and nuts.

As a result of improving the shape of the toggle as described above, the pre-applied automatic spanner is in the inner lower part between both jaws and jaws, similar to the normal spanner, while the present invention is to the inside of the protrusion formed on one jaw. In addition, the force is stably transmitted by the additional contact, and the head of the bolt inserted into the auto spanner is in the shape of jaws and protrusions, and the bolt is not detached from the auto spanner, thereby increasing work stability and maximizing work efficiency.

In addition, the protrusion 20 is formed on the upper part of the first jaw (2) to prevent the bolt head from being removed from the jaw or the spanner slips from the jaw during operation, the bolt is inserted between the jaws during operation, the method of inserting the bolt The bolt head side inserts a spanner shape assembled like a ratchet or a box, and the bolt side inserts the rear end of the toggle with a gap between the jaws.

Therefore, the invention is capable of serving as a kind of vox function in addition to the function of the automatic spanner.

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

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 an automatic spanner assembly and disassembled detailed view of the present invention, Figure 3 is a 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 Figure 7 shows another example of the automatic spanner of the present invention, the lever (1), first jaw (2), second jaw (3), toggle groove (4), toggle fixing groove (4 ') ), Spring fixing through hole (5, 25), toggle fixing bolt through hole (6), toggle (7), toggle through hole (7-1), toggle front upper part (7-2), toggle front middle part (7-3) , Toggle front lower part (7-4), toggle fixing body (7-5), toggle fixing bolt (8), spring (9,29), toggle fixing pin (10), spring fixing pin (11,21), It can be seen that the projection 20, the projection body through hole 20-1, the projection fixing groove 24, the projection fixing bolt hole 26, the projection fixing pin 28 is shown.

Looking at the structure, the lock fixing bolt for adjusting the moving distance of the lever (1), the first jaw (2) formed with a projection (20) on the top of the lever (1), the toggle (7) and the toggle (7) Consisting of Article 8 (3) provided with (8),

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 on one side of the end portion, and the toggle fixing groove (4) Spring fixed through hole (5) formed at one side lower portion of the '), and the outer lower end of the second jaw (3) is formed, the toggle fixing penetrated to the bottom of the toggle groove 4, the thread is provided therein Bolt hole (6),

A toggle 7 inserted into the toggle groove 4 and fixed by the toggle fixing pin 10 and inserted into the toggle fixing groove 4 'to fix the toggle 7 to the second jaw 3. Toggle fixing pin 10, the spring fixing pin 11 is inserted into the spring fixing hole (5), the central portion is inserted into the spring fixing pin 11, one side is inside the middle of the toggle groove (4) The other side is in close contact with the spring (9) is attached to the bottom of the toggle 7, the toggle fixing bolt through the hole (6) is inserted into the lower end of the toggle 7 to approach the position and reverse of the toggle (7) It is an automatic spanner consisting of a toggle fixing bolt (8) to adjust the pressure.

As shown in FIG. 2, the toggle 7 is formed to have a thin thickness on one side to be inserted into the toggle groove 4 of the second jaw 3, and the thin portion is slightly attached to the hexagon bolt and the nut. Toggle fixing body (7-5) formed wide, the toggle hole (7-1) provided on one side of the center of the toggle fixing body (7-5), and the upper surface of the toggle formed to protrude from the upper portion of the slightly wider ( 7-2), the toggle front middle portion 7-3 formed to be inclined slightly inward to the bottom of the toggle front upper portion 7-2, and slightly inclined outward to the bottom of the toggle front middle portion 7-3. It is a structure consisting of a toggle front lower portion (7-4) for transmitting the force to the bolt and nut.

Another automatic spanner of the present invention is the same as the automatic spanner shown in Figure 1, as shown in Figure 7, but, as a prefabricated integrally formed projection 20 formed on the upper end of the first jaw (2) In more detail, as follows.

The first jaw (2) is formed in the upper end and the projection fixing groove 24 is provided in the "c" shape, and the projection body through the hole 20 is inserted into the projection fixing groove 24 and formed in the lower one side -1) is provided in the projection 20, the projection fixing pin through hole 26 formed through one side of the projection fixing groove 24 of the first jaw (2) and the projection fixing groove 24 A projection fixing pin 28 inserted into and fixing the protrusion 20 to the first jaw 2, a spring fixing through hole 25 formed at a lower side of the protrusion fixing pin through hole 26, and the spring fixing through hole ( 25 is inserted into the spring fixing pin 21, the central portion is inserted into the spring fixing pin 21 and one side is in close contact with the inner bottom of the projection fixing groove 24, the other side is the bottom of the projection 20 It can be seen that the structure consisting of a spring 29 attached to.

When explaining the assembly method, as shown in Figure 3 to assemble the various parts shown in Figure 2, in more detail, "c" formed at the upper end of the second jaw (3) formed on the upper portion of the lever (1) Toggle 7 coincides with the toggle groove 4 provided in the shape of a magnet, and the toggle fixing groove 4 'formed through the one end surface of the second jaw 3 and the toggle of the toggle 7. After the toggle fixing pin 10 is inserted into the fixed through hole 7-1, the toggle 7 is fixed.

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.

Another method of assembling the automatic spanner is shown in Fig. 7, in the projection fixing groove 24 provided in the "c" shape formed at the upper end of the first jaw (2) formed on the upper portion of the lever (1) Matching the projections 20, and the projection fixing pin 28 in the projection fixing pin through hole 26 and the projection body through hole (20-1) formed at one end of the first jaw (2) After fixing the projection 20 by inserting the spring fixing pin 21 into the spring fixing hole 25 formed on one side lower portion of the fixing pin hole 26, the middle portion of the spring fixing pin 21 The spring 29 is inserted into the spring 29 and the spring 29 is fixed to the lower side of the protrusion 20, and the assembly of the toggle 7 at the end of the second jaw 3 is performed as described above. To assemble.

The method of use is as shown in Fig. 4, with the first jaw 2 on the right side and the second jaw 3 on the left side, as shown in Fig. 4A and the first and second positions. After inserting the hexagon bolt and nut between the jaws (2, 3), apply a force to one side of the hexagon bolt and the nut and rotate the lever 1 to the left to move it as shown in (B). Rotate the 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) Adjusted by a toggle fixing bolt (8) in the toggle fixing bolt through hole (6) formed on the outer lower end of the projection (20) inside the first jaw (2) and the second jaw (3) When the other side (b) of the hexagon bolt nut is in close contact with each other and the lever (1) is rotated to the left as shown in Fig. 6, it becomes (E) through (G) through (F), and the hexagon bolt and nut are separated. It is a method of tightening by rotating the lever (1) without operation,

Tightening with the above is to operate the lever (1) in the opposite direction of the operation is to loosen the hexagon bolt, nut automatically.

Another method is to push the toggle 7 back with the thumb as shown in another example of the automatic spanner of the present invention as shown in FIG. To use the same method as above.

As described above, the present invention cannot 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 the automatic spanner consisting of the first and second jaw which is inserted into the bolt between the gap at a certain interval on the upper part of the lever to loosen the bolt nut, Toggle fixing for adjusting the moving distance between the lever 1, the first jaw 2 having a protrusion 20 protruding inwardly on the upper part of the lever 1, and the toggle 7 and the toggle 7. It consists of a second jaw (3) provided with a bolt (8), 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 on one side of the end portion, and the toggle fixing groove (4) Spring fixed through hole (5) formed at one side lower portion of the '), and the outer lower end of the second jaw (3) is formed, the toggle fixing penetrated to the bottom of the toggle groove 4, the thread is provided therein Bolt hole (6), A toggle 7 inserted into the toggle groove 4 and fixed by the toggle fixing pin 10 and inserted into the toggle fixing groove 4 'to fix the toggle 7 to the second jaw 3. Toggle fixing pin 10, the spring fixing pin 11 is inserted into the spring fixing hole (5), the central portion is inserted into the spring fixing pin 11, one side is inside the middle of the toggle groove (4) The other side is in close contact with the spring (9) is attached to the bottom of the toggle 7, the toggle fixing bolt through the hole (6) is inserted into the lower end of the toggle 7 to approach the position and reverse of the toggle (7) Composed of toggle fixing bolt (8) to adjust the pressure, The toggle 7 has a thin thickness at one side to be inserted into the toggle groove 4 of the second jaw 3, and the thinly formed portion has a toggle fixing body 7 which is slightly wider to be in close contact with the hexagon bolt and the nut. -5), a toggle through hole (7-1) provided on one side of the center of the toggle fixing body (7-5), and a toggle front upper portion (7-2) formed to protrude on the upper part slightly wider, the toggle Toggle front middle portion 7-3 formed to be inclined slightly inward to the lower portion of the front upper portion 7-2, and slightly inclined outwardly to the lower portion of the toggle front middle portion 7-3, and a bolt and Automatic spanner, characterized in that consisting of a toggle front lower portion (7-4) to transmit to the nut. In the automatic spanner consisting of the first and second jaw which is inserted into the bolt between the gap at a certain interval on the upper part of the lever to loosen the bolt nut, The first jaw (2) is formed in the upper end and the projection fixing groove 24 is provided in the "c" shape, and the projection body through the hole 20 is inserted into the projection fixing groove 24 and formed in the lower one side -1) is provided in the projection 20, the projection fixing pin through hole 26 formed through one side of the projection fixing groove 24 of the first jaw (2) and the projection fixing groove 24 A projection fixing pin 28 inserted into and fixing the protrusion 20 to the first jaw 2, a spring fixing through hole 25 formed at a lower side of the protrusion fixing pin through hole 26, and the spring fixing through hole ( A spring fixing pin 21 inserted into the spring 25; The central portion is inserted into the spring fixing pin 21 and one side is in close contact with the inner bottom of the projection fixing groove 24, the other side is composed of a spring 29 attached to the lower portion of the projection 20, The second jaw (3) is formed on the upper end and the toggle groove (4) formed in the "c" shape, the toggle fixing groove (4 ') formed on one side of the end portion, the toggle fixing groove (4) Spring fixed through hole (5) formed at one side lower portion of the '), and the outer lower end of the second jaw (3) is formed, the toggle fixing penetrated to the bottom of the toggle groove 4, the thread is provided therein Bolt hole (6), A toggle 7 inserted into the toggle groove 4 and fixed by the toggle fixing pin 10 and inserted into the toggle fixing groove 4 'to fix the toggle 7 to the second jaw 3. Toggle fixing pin 10, the spring fixing pin 11 is inserted into the spring fixing hole (5), the central portion is inserted into the spring fixing pin 11, one side is inside the middle of the toggle groove (4) The other side is in close contact with the spring (9) is attached to the bottom of the toggle 7, the toggle fixing bolt through the hole (6) is inserted into the lower end of the toggle 7 to approach the position and reverse of the toggle (7) Automatic spanner, characterized in that consisting of a toggle fixing bolt (8) for adjusting the pressure.