KR200173012Y1 - Wrench of double direction adjusting type - Google Patents

Abstract

The present invention relates to a wrench for fastening or releasing a bolt member or nut member applied to various machinery or parts, and intermittently intercepting the socket portion 2 to a housing 3 for fixing the socket portion 2 of the wrench 1. The primary direction adjuster 13 is provided, and the second direction adjuster 14 which is connected to the primary direction adjuster 13 at the handle part 5 'of the lever part 4 side of the wrench 1. ) Is provided with the effect of being able to tighten or loosen the bolt member or nut member fixed to various machinery more conveniently according to the tightening state.

Description

2-way adjustable wrench

The present invention relates to a wrench for fastening or releasing a bolt member or nut member applied to various machinery or parts, and particularly, when loosening or tightening a loose state that does not require a large force as well as a place requiring a large force. Or it relates to a two-way adjustable wrench so that it can be used conveniently when unfastening or locking where the hand is hard to enter.

Generally, as shown in FIGS. 1 and 2, the wrench 1 may be divided into a socket part 2 for grasping a bolt member or a nut member, a housing 3 for grasping the socket part 2, and The lever part 4 used as the moment arm of the rotating torque by connecting the housing 3 and the lever part 4 so that the operator does not slip from the hand when using the wrench 1. Knurling (Knuring) is formed at the end is made of a handle (5).

Accordingly, when the worker wants to loosen the bolt member or nut member fixed to various machinery or the like, the socket part 2 of the wrench 1 is pushed into the bolt member or nut member of the machinery, and the handle portion of the lever part 4 side. Pulling (5) allows the bolt member or the nut member to be released. On the contrary, when the bolt member or the nut member is to be fastened to the machinery or the like, the bolt member or the nut member is inserted into the socket part 2 of the wrench 1 or the bolt member or the nut member is inserted into the coupling part of the machinery. After inserting, the socket 2 of the wrench 1 can be adjusted and turned.

In particular, a ratchet gear 6 is provided inside the housing 3 connecting the socket part 2, and a pivot shaft 7 is provided at both sides of the center side of the ratchet gear 6. The pivot shaft 7 is fitted with the upper end of the housing 1 of the wrench 1 so as to slide, and the lower end of the rotating shaft 7 is provided at an upper opening 9 of the socket part 2. It is fitted to the coupling recess 10 to be fixed.

In addition, a ratchet lever 12 which connects a pawl 11 supported by an elastic spring (not shown) to control the ratchet gear 6 in one direction on one side of the housing 3 is provided. By being provided, the operator can enter and exit the ratchet lever 12 back and forth to switch the ratchet gear 6 to the locked or unlocked state. Accordingly, the pawl 11 of the ratchet gear 6 loosens the bolt member or the nut member using the socket portion 2 of the wrench 1 according to the state in which the ratchet gear 6 is locked or unlocked. Can be tightened or tightened.

However, in general, when the bolt member or nut member is conveniently tightened or loosened according to the position of machinery or parts, the socket 2 of the wrench 1 is tightened in only one direction and not in the opposite direction. Due to the one-way intermittent does not have the proper position when the bolt member or nut member to fasten or loosen the machinery or parts, the inconvenience when trying to apply the wrench (1).

In addition, even when the bolt member or the nut member is initially fastened to the machinery or parts without much effort or finally loosened, the bolt member or the nut member should be rotated to the left and right as in the state where the bolt member or the nut member is strongly fastened with the wrench (1). There was a problem that you experience inconvenience.

In addition, even when releasing or tightening the bolt member or nut member which are deeply fastened to machinery or parts, the wrench 1 cannot be used properly due to external interference caused by always turning the lever part 4 of the wrench 1 to the left and right. There was discomfort.

The present invention has been devised to solve the above problems, to provide a two-way adjustable wrench to be able to tighten or loosen the bolt member or nut member fixed to various machinery more conveniently according to the tightening state. There is this.

As described above, the present invention is provided on one side of the socket-side side housing of the wrench so that the bolt member and the nut member are strongly or weakly fastened to the machinery or parts, or when the bolt member and the nut member are easily loosened or tightened even when deeply fastened. A first directional regulator, a second directional regulator which rotates the lever portion of the wrench from side to side in association with the first directional regulator, and a first gear and a first cross connecting the socket portion and the lever portion of the wrench at 90 °. It is characterized by consisting of a bevel gear portion having two gears.

1 is a schematic perspective view showing a general wrench,

2 is a schematic cross-sectional view showing the wrench of FIG.

3 is a schematic cross-sectional view showing a two-way adjustable wrench of the present invention,

Figure 4 is a schematic cross-sectional view showing a first direction adjuster of the three-way bidirectional wrench,

5 is a schematic enlarged cross-sectional view showing a second direction adjuster of the three-side bidirectional wrench;

6 is a schematic partially enlarged cross-sectional view illustrating the second direction controller of FIG.

<Description of the symbols for the main parts of the drawings>

1: wrench 2: socket

3: housing 4: lever part

5 ': handle 6,6': ratchet gear

7: pivot 9 ', 9' ': opening

13: 1st direction controller 14: 2nd direction controller

15: First Gear 16: Second Gear

17: Mounting protrusion 18,18 ': elastic spring

19: rotating pole 20: connecting rod

21: vertical part 22: pivot part

23: opening clamp 24: end

25: cylindrical handle portion 26: receiving portion

27: through hole 29: T-type entry and exit pole

30: yoke part 31: adjuster

32: stopper 33: main part

35: bevel gear 36,36 ': hinge pin

3 and 4, in order to use the wrench 1 in some cases, first, a bolt member or a nut member firmly fastened to various machinery or parts, and the like, with the lever part 4 of the wrench 1 Rotate together left and right together to loosen, and on the other hand, when the bolt member or nut member is deeply fastened out of reach, only the socket portion 2 of the wrench 1 is used without using the lever portion 4. The primary direction adjuster 13 is provided at one side of the housing 3 of the socket part 2 side of the socket 1 so that the wrench 1 can be easily loosened or tightened.

Subsequently, the bolt member or nut member, which is weakly fastened to the machinery or parts, is locked or unlocked with the primary direction adjuster 13 so as to be easily released at a predetermined distance from the machinery or parts. Secondary direction adjuster 14 for rotating the lever portion 4 to the left and right is provided. At this time, the socket (2) and the lever unit (4) by crossing the 90 ° to the bolt or nut member to loosen or tighten the rotating shaft (7) of the socket 2 to the first gear ( 15) is provided, and the first gear 15 and the second gear 16 is geared to the front end side of the lever portion (4).

In addition, the primary direction adjuster 13 allows the ratchet gear 6 on the rotational shaft 7 side to vertically connect the socket 2 to the center side of the housing 3 so as to interrupt the housing 3. ) Is provided with seating protrusions 17 having openings 9 'on both sides of the inner side, respectively, one end of the elastic spring 18 is held in each opening 9' and the other end of the ratchet gear 6. Is tucked into each of the pivoting pawls 19 to clamp the right and left directions.

At this time, each of the pivoting pawl 19 is hinge pin 36 at the tip of the connecting rod 20 having the handle portion 5 'on the end side to selectively control the rotational direction of the ratchet gear (6) ). Here, the connecting rod 20 of the handle portion 5 'is pivotally fixed to one side vertical portion 21 of the housing 3 by the pivot portion 22 and the connecting rod 20 is the handle portion 5'. ) Is formed to form an opening-type fastener 23 which is structurally tightly fixed to the vertical portion 21 of the housing 3 so as to be fixed to either one of the left and right sides when operating.

As shown in FIGS. 5 and 6, the second direction adjuster 14 is connected to the end portion 24 of the lever portion 4 so as to rotate the lever portion 4 forming the wrench 1. The cylindrical handle portion 25 is provided separately, and the ratchet gears 6 'are provided on the outer periphery of the lever portion 4 surrounded by the cylindrical handle portion 25 at regular intervals.

At this time, the cylindrical handle portion 25 is formed with a receiving portion 26 to selectively clamp each ratchet gear (6 ') on one side of the outer periphery, and through the receiving portion 26 to each side A hole 27 is formed, and each of the through holes 27 is fitted with respective T-shaped pull-out pawls 29 having respective elastic springs 18 'inside the head portion 28 formed upward. Lose.

Subsequently, a yoke portion 30 having an opening portion 9 '' is formed at the center side of the receiving portion 26 so as to selectively press each of the T-shaped entry and exit pawls 29, and the yoke portion ( 30 is provided with a hinge 31 connected to the hinge pin (36 ') to be rotated. Here, the stopper 31 is provided with at least one stopper 32 on the lower center side to be fixed to one of the left and right, and the stopper 32 in the opening portion 9 '' of the yoke portion 30 side. Each recess 33 is fixed.

The operation of the present invention configured as described above is as follows.

First, when the worker loosens the bolt member or nut member that is strongly fastened to the machinery or parts, locks the primary direction adjuster 13 and the secondary direction adjuster 14 of the wrench 1, and then the socket part 2 ), The operation direction of the wrench (1) is the direction of loosening the bolt member or nut member of the handle portion 5 'and the second direction controller 14 of the first direction controller (13) Fit the adjuster (31).

That is, when the handle portion 5 'of the primary direction adjuster 13 is pulled from the housing 3 of the wrench 1 to one of the left and right directions, the connecting rod 20 of the handle portion 5' is As the pivoting part 22 is rotated about the vertical part 21 side of the housing 3, the connecting rod 20 may be tightly fixed to the opening fastener 23 of the housing 3. At this time, the place where the pivoting pole 19 fixed to the inner end of the connecting rod 20 by the hinge pin 36 is supported in each opening 9 'of the seating protrusion 17 side of the housing 3. When the elastic spring 18 is pulled and the opposite side is pressed, the pivoting pole 19 is moved by the elastic springs 18 on the seating protrusion 17 side when releasing the handle 5 'to its original position. It can be unscrewed from the ratchet gear 6 of the rotating shaft 7 which connects the socket part 2.

When the worker reverses the operation direction of the wrench 1, a pivoting pawl 19 fixed to the hinge pin 36 'of the connecting rod 20 having the handle 5' is provided with Receiving elasticity of the elastic spring 18 on the seating protrusion 17 side, the ratchet gear 6 of the ratchet gear 6 connecting the socket portion 2 swings away.

Subsequently, when the bolt member or nut member is loosely loosened, a ratchet of the lever portion 4 in a direction in which the operator wants to turn the second direction adjuster 14 on the cylindrical handle portion 25 side of the wrench 1. Locking on the gear 6 'and turning the cylindrical handle 25, the first gear 15 and the second gear 16, which form the bevel gear portion 35 on the front end side of the lever portion 4, are engaged. As it turns, it is possible to easily turn the socket portion 2 in a state of unlocking the primary direction adjuster 13. Accordingly, the bolt member or nut member fitted to the socket portion 2 of the wrench 1 can be easily removed. Of course, in this case, the bolt member or the nut member may be applied in the same manner even when initially tightened.

More specifically, the operation of the second direction adjuster 14 is as follows. Pressing the receiving portion 26 side adjuster 31 formed in the cylindrical handle portion 25 of the wrench 1 to one of the left and right directions, the one side through-hole of the receiving portion 26 by the adjuster 31 The T-shaped pull-out pawl 29 fitted in the 27 is pressed so that the ratchet gear 6 'of the lever part 4 can be fixed in one direction and rotated in the same body. At this time, the elastic spring (18 ') is fitted to the head portion 28 of the T-type pull-out type pole 29, the pressing force of the elastic spring (18') is the yoke portion (side) of the receiving portion (26) 30 can be held by the stopper 32 of the adjuster 31 which is pivotally fixed to the hinge pin 36 '. Here, the stopper 32 is structurally fixed to the recessed portion 33 of the yoke portion 30 so that the pivoting pawl 19 can be stably fixed at a constant position without shaking.

For reference, the cylindrical handle portion 25 when the operator is placed in the unlocked state with respect to the T-shaped pull-out pawl 29 provided in the cylindrical handle portion 25 side receiving portion 26 Rotation of the T-type pull-out pawl 29 is able to swing along the inclined surface formed by the one-way teeth 34 of the ratchet gear 6 'on the lever part 4 side. Therefore, the tightening or loosening force can be repeatedly applied to the bolt member or the nut member.

As described above, the bidirectionally adjustable wrench of the present invention is provided with a primary direction controller 13 for controlling the socket part 2 in the housing 3 fixing the socket part 2 of the wrench 1 and the wrench. The lever part 4 'side handle part 5' of (1) is provided with a second direction adjuster 14 which is connected to the first direction adjuster 13, so that the bolt member or the nut member fixed to various machinery is provided. The effect of being able to tighten or loosen more conveniently according to the tightening state.

Claims (2)

It is provided in the housing 3 which fixes the socket part 2, and is provided in the 1st direction adjuster 13 which clamps the rotation direction of the said socket part 2, and the lever part 4 side handle part, A second direction adjuster 14 which is connected to the primary direction adjuster 13 to rotate the lever part 4 about the axial direction, and the socket part 2 and the lever part 4 at 90 °. In a wrench (1) having a bevel gear portion (35) which connects crosswise and transmits the magnetic force of the lever portion (4) to the socket portion (2), the primary direction adjuster (13) is housed. Of the seating protrusions 17 which are respectively provided on both sides of the housing 3 around the ratchet gear 6 on the pivot shaft 7 which vertically connects the socket 2 to the center side of the housing 3. Each of the elastic springs 18 provided in the opening 9 'and supported by the elastic springs 18 and the respective ratchet gears 6 which are supported by the respective elastic springs 18 to clamp the ratchet gears 6 in the left and right directions. A handle portion 5 'having a movable pole 19, a connecting rod 20 for connecting each pivoting pole 19 with a hinge pin 36, and a connecting rod 20 of the handle portion 5'. ) Is pivotally fixed to the pivot part 22 provided on one side vertical part 21 of the housing 3 to connect the respective pivoting poles 19 when the handle part 5 'is pulled from side to side. Bidirectionally adjustable wrench, characterized in that the connecting rod (20) made of an opening-type fastener (23) formed in the vertical portion (21) of the housing (3) so as to be fixed to either one of the left and right sides. The cylindrical handle of claim 1, wherein the second direction adjuster 14 is provided at an end portion 24 of the lever part 4 so as to rotate the lever part 4 forming the wrench 1. The ratchet gear 6 'and the ratchet gear 6' which are respectively fixed to the outer periphery of the part 25, the lever part 4 wrapped by the said cylindrical handle part 25 at fixed intervals, and each said ratchet gear 6 'are intermittent. In order to be able to selectively press each of the T-shaped entry and exit poles 29 to the upper side through the through-holes 27 are formed on both sides in the receiving portion 26 formed on the outer periphery of the cylindrical handle portion 25 Adjuster 31 is connected to the hinge pin (36 ') of the yoke portion 30 is formed in the receiving portion 26, and at least one stopper 32 is provided on the center side of the adjuster (31) Bidirectional jaw, characterized in that each of the recesses 33 formed in the inner opening (9 ') of the yoke portion 30 so as to be fixed) Fasting wrench.