KR102599532B1 - Monkey spanner with locking means - Google Patents

Abstract

A monkey wrench equipped with a locking means is provided. A monkey wrench equipped with a locking means according to an embodiment of the present invention includes a spanner body portion with a fixing jaw formed at one end; A worm gear portion rotatably coupled to the spanner body portion; A movable jaw portion that is coupled to the worm gear portion and is formed to be movable from the other end of the spanner body toward one end, and whose distance from the fixed jaw located at one end is variable when moved; and a locking portion connected to the end of the worm gear to limit rotation of the worm gear. As a result, by limiting the rotation of the worm gear unit that controls the movement of the movable jaw during work, the movable jaw can be maintained in stable close contact with the outer peripheral surface of the bolt or nut to be loosened or tightened.

Description

Monkey spanner with locking means}

The present invention relates to a monkey wrench, and more particularly to a monkey wrench provided with a locking means.

In general, a monkey wrench (adjustable wrench) is one of the tools frequently carried by workers at work sites. It consists of a fixed jaw formed at the top of the head and a movable jaw with variable spacing that can be moved left and right, and the movement of the movable jaw It is used to loosen and tighten bolts, nuts, etc. according to the gap between the fixed jaw and the movable jaw.

When working with such a monkey wrench, the movable jaw may become loose and may not adhere stably to the outer peripheral surface of the bolt or nut to be loosened or tightened.

The present invention was created to solve the above problems, and the purpose of the present invention is to limit the rotation of the worm gear portion that controls the movement of the movable jaw during work, thereby allowing the movable jaw to loosen or tighten the bolt or nut, etc. The aim is to provide a monkey wrench equipped with a locking means to maintain a stable and close contact with the outer peripheral surface of the.

Another object of the present invention is to provide a monkey wrench in which the monkey wrench and the locking means can be attached and detached to improve portability.

According to an embodiment of the present invention for achieving the above object, a monkey wrench equipped with a locking means includes a spanner body portion having a fixing jaw at one end; A worm gear portion rotatably coupled to the spanner body portion; A movable jaw portion that is coupled to the worm gear portion and is formed to be movable from the other end of the spanner body toward one end, and whose distance from the fixed jaw located at one end is variable when moved; and a locking portion connected to the end of the worm gear to limit rotation of the worm gear.

And the locking part includes a connection member connected to the end of the worm gear; And a locking nut coupled to the connecting member to limit rotation of the worm gear depending on the degree of tightening.

In addition, the locking portion may further include a protruding protrusion that protrudes from the locking nut in contact with the spanner body toward the spanner body and reaches and secures the spanner body depending on the degree of tightening of the locking nut.

Additionally, the locking portion may be formed in a structure in which the connecting member is attachable and detachable from the end of the worm gear.

Meanwhile, according to another embodiment of the present invention, a monkey wrench equipped with a locking means includes a spanner body portion with a fixing jaw formed at one end; A worm gear portion rotatably coupled to the spanner body portion; A movable jaw portion that is coupled to the worm gear portion and is formed to be movable from the other end of the spanner body toward one end, and whose distance from the fixed jaw located at one end is variable when moved; and a locking portion formed in a detachable structure at the end of the worm gear, and restricting the rotation of the worm gear when attached.

As described above, according to embodiments of the present invention, the rotation of the worm gear portion that controls the movement of the movable jaw during work is limited, so that the movable jaw stably adheres to the outer peripheral surface of the bolt or nut to be loosened or tightened. The status can be maintained.

Additionally, portability can be improved by improving the structure to enable attachment and detachment between the monkey wrench and the locking means.

1 is a view provided to explain a monkey wrench equipped with a locking means according to an embodiment of the present invention, and
Figure 2 is a diagram provided to explain a monkey wrench equipped with a locking means according to another embodiment of the present invention.

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

1 is a diagram provided to explain a monkey wrench equipped with a locking means according to an embodiment of the present invention.

The monkey spanner equipped with a locking means according to the present embodiment (hereinafter collectively referred to as 'monkey spanner') restricts the rotation of the worm gear unit 120, which controls the movement of the movable jaw during work, thereby controlling the movable jaw. It can be maintained in a stable and close contact with the outer peripheral surface of the bolt or nut to be loosened or tightened.

For this purpose, this monkey spanner may include a spanner body portion 110, a worm gear portion 120, a movable jaw portion 130, and a locking portion 140.

The spanner body portion 110 is the body 111 of a monkey spanner, and a fixing jaw 112 may be formed at one end.

The worm gear unit 120 may be rotatably coupled to the spanner body unit 110.

The movable jaw portion 130 is coupled to the worm gear portion 120 and is formed to be movable from the other end of the spanner body 110 toward one end, and when moved, there is a gap between it and the fixed jaw 112 located at one end. Variable movable jaws may be provided.

The locking unit 140 may be connected to the end of the worm gear to limit rotation of the worm gear unit 120.

For this purpose, the locking part 140 is a locking nut that is coupled to the connecting member 141 and the connecting member 141 connected to the end of the worm gear to limit the rotation of the worm gear part 120 depending on the degree of tightening. It may include (142). At this time, the connecting member 141 has a male thread formed on its outer periphery, so that the locking nut 142 can be fastened to it.

And the locking portion 140 is formed to protrude from the locking nut 142 in contact with the spanner body toward the spanner body, and is a protrusion that reaches and is fixed to the contact surface 111a of the spanner body depending on the degree of tightening of the locking nut 142. It may further include protrusions 143.

Here, a portion of the protruding protrusion 143 is inserted into the locking nut 142, and a tension spring (not shown) is provided in the retracted portion, so that when a physical force above a certain level is applied to the portion protruding toward the spanner body, the protruding protrusion (143) may be inserted into the locking nut (142).

Additionally, when the locking nut 142 is fully fastened, a fixing step (not shown) may be formed on the contact surface 111a of the spanner body to secure the protruding protrusion 143.

That is, in the locking part 140, when the locking nut 142 is completely fastened and the protruding protrusion 143 reaches the contact surface 111a of the spanner body, the protruding protrusion 143 can be fixed by the fixing step. there is.

Specifically, when the worm gear unit 120 rotates in the first direction, the movable jaw may move toward the fixed jaw 112, and when the worm gear unit 120 rotates in the second direction, the movable jaw may move in a direction away from the fixed jaw 112. Assuming that this can be done, when the locking nut 142 is completely fastened and the protruding protrusion 143 reaches the contact surface 111a of the spanner body, the worm gear unit 120 is basically Rotation in the second direction may be restricted.

And when the protruding protrusion 143 is fixed by the fixing step formed on the contact surface 111a of the spanner body, the worm gear portion ( 120) may restrict rotation in the first direction.

Figure 2 is a diagram provided to explain a monkey wrench equipped with a locking means according to another embodiment of the present invention.

The monkey wrench provided with a locking means according to this embodiment is implemented in the same configuration as the monkey wrench provided with a locking means described above with reference to FIG. 1, but in order to enable attachment and detachment between the monkey wrench and the locking means, the monkey wrench is provided with a locking mechanism. The structure of unit 140 can be improved.

Specifically, in the monkey wrench equipped with a locking means according to this embodiment, the connecting member 141 may be formed in a structure in which the connection member 141 is attachable and detachable from the end of the worm gear.

For this purpose, an insertion groove is formed at the end of the worm gear part 120 coupled to the locking part 140 so that the connecting member 141 can be inserted, and a female thread (not shown) is formed on the inner periphery of the insertion groove. You can.

And the connecting member 141 may have a male thread (not shown) formed at an end that can be inserted into the insertion groove.

Through this, when using the monkey wrench, the locking part 140 is attached to the end of the worm gear part 120 and used, and when carrying it, the locking part 140 is detached from the end of the worm gear part 120. , the portability of the monkey wrench can be improved.

In the above, preferred embodiments of the present invention have been shown and described, but the present invention is not limited to the specific embodiments described above, and may be used in the technical field to which the invention pertains without departing from the gist of the present invention as claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be understood individually from the technical idea or perspective of the present invention.

110: Spanner body part
111: body
111a: contact surface
112: Fixed jaw
120: Worm gear part
121: Insertion groove
130: Movable jaw part
140: Locking part
141: connection member
142: locking nut
143: protruding protrusion

Claims (5)

A spanner body portion in which a fixing jaw is formed at one end;
A worm gear portion rotatably coupled to the spanner body portion;
A movable jaw portion that is coupled to the worm gear portion and is formed to be movable from the other end of the spanner body toward one end, and whose distance from the fixed jaw located at one end is variable when moved; and
It includes a locking portion connected to the end of the worm gear to limit the rotation of the worm gear,
The locking part,
A connecting member connected to the end of the worm gear; and
It includes a locking nut coupled to the connecting member to limit the rotation of the worm gear depending on the degree of tightening,
The locking part,
It further includes a protruding protrusion that protrudes from the locking nut in contact with the spanner body toward the spanner body and reaches the spanner body and is fixed depending on the degree of tightening of the locking nut,
The locking part,
An insertion groove is formed at the end of the worm gear part that engages the locking part so that the connecting member can be inserted, a female thread is formed on the inner periphery of the insertion groove, and the connecting member has a male thread at the end that can be inserted into the insertion groove. By forming, the connecting member is formed in a detachable structure at the end of the worm gear,
The protruding protrusions are
When a certain amount of physical force is applied to the part protruding toward the spanner body, a portion of the protrusion is retracted into the locking nut so that the entire protrusion is retracted into the locking nut, and a tension spring is provided at the retracted part,
Depending on the degree of tightening of the locking nut, the contact surface of the spanner body that contacts the protruding protrusion,
When the locking nut is fully fastened, a fixing step is formed to secure the protruding protrusion that has reached the contact surface of the spanner body,
The locking part,
When the worm gear unit rotates in the first direction, the movable jaw moves toward the fixed jaw, and when it rotates in the second direction and the movable jaw moves away from the fixed jaw, the locking nut is completely fastened, and the protruding protrusion is attached to the spanner body. When the contact surface is reached, the worm gear portion is restricted from rotating in the second direction,
When the protruding protrusion is fixed by a fixing step formed on the contact surface of the spanner body, a physical force of a certain amount or more is applied and the worm gear portion is restricted from rotating in the first direction until the protruding protrusion is retracted into the inside of the locking nut. Monkey wrench equipped with tools.
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