CN111843899A - wrench with stop - Google Patents

Abstract

The invention relates to the technical field of power equipment, and particularly discloses a wrench with a limiter, which is used for realizing the assembly and disassembly of a bolt and a nut and comprises: the lower end of the limiting device is provided with a first limiting groove for the nut to insert; the sliding sleeve assembly comprises a rotating sleeve rotatably connected with the upper end of the stopper, a sliding block positioned in the rotating sleeve and a sliding adjusting rod used for driving the sliding block to slide up and down; the bottom of the sliding block is provided with a second limiting groove for inserting the head of the bolt; the first limiting groove and the second limiting groove are coaxial; the rotary wrench is connected with the rotating sleeve and used for driving the sliding sleeve assembly to rotate around the axis of the first limiting groove relative to the limiting device. The invention provides a wrench with a limiter, which can solve the problem that the existing wrench can not assemble and disassemble a bolt and a nut by one hand.

Description

wrench with stop

technical field

The invention relates to the technical field of electric equipment, and in particular to a wrench with a limiter.

Background technique

During operation and maintenance work, operation and maintenance personnel often need to use both hands to assemble and disassemble bolts and nuts. For example, when the hardware fixed on the angle steel needs to be disassembled, in order to prevent the nut from rotating with the bolt and the nut and bolt cannot be separated, the operation and maintenance personnel need to hold a wrench in one hand to fix the nut, and then use another The wrench turns the bolt in the opposite direction to separate the bolt from the nut. When working on the ground, using both hands can effectively separate the bolts and nuts, but when working in the air, using both hands will prevent the operation and maintenance personnel from holding fixed objects such as iron towers or ladders. Maintenance personnel may fall from heights if they are not careful.

Therefore, it is necessary to improve the existing wrench to solve the problem that the current wrench cannot realize the one-hand assembly and disassembly of the bolt and the nut.

SUMMARY OF THE INVENTION

One object of the present invention is to provide a wrench with a stopper, which can solve the problem that the existing wrench cannot be used to assemble and disassemble bolts and nuts with one hand.

In order to achieve the above purpose, the present invention provides a wrench with a stopper for realizing the assembly and disassembly of bolts and nuts, which includes:

a stopper, the lower end of the stopper is provided with a first stopper groove into which the nut is inserted;

a sliding sleeve assembly, the sliding sleeve assembly includes a rotating sleeve rotatably connected with the upper end of the stopper, a sliding block located in the rotating sleeve, and a sliding adjustment rod for driving the sliding block to slide up and down; the The bottom of the sliding block is provided with a second limit slot into which the head of the bolt is inserted; the first limit slot and the second limit slot are coaxial;

A rotating wrench is connected with the rotating sleeve, and is used for driving the sliding sleeve assembly to rotate relative to the limiter around the axis of the first limit groove.

Preferably, the first limiting slot is a blind slot, and the bottom of the slot is provided with a penetrating hole for the bolt to pass through.

Preferably, the sliding adjustment rod includes a vertical rod and a horizontal rod, the vertical rod is vertically downwardly slidably connected with the top of the rotating sleeve and extends to the top of the sliding block, and the horizontal rod is horizontally fixed to the top of the sliding block. the top of the vertical bar.

Preferably, the limiter includes two vertical plates arranged in parallel, a lower horizontal plate connecting the lower ends of the two vertical plates, and an upper horizontal plate connecting the upper ends of the two vertical plates; the first limit groove is located at On the top of the lower horizontal plate, the upper horizontal plate is provided with a through hole for inserting the rotating sleeve and coaxial with the first limiting groove, and the hole wall of the through hole is provided with an annular recess. groove;

An annular boss is arranged on the outside of the rotating sleeve, and the annular boss is inserted into the annular groove and is rotatably connected with the annular groove.

Preferably, the outer side of the rotating sleeve includes at least two straight planes for clamping the rotating wrench, and the two straight planes are parallel to each other.

Preferably, the outer contour of the rotating sleeve is hexagonal, and the rotating wrench is provided with a plum blossom hole into which the rotating sleeve is inserted.

Preferably, the sliding block is in the shape of a hexagonal prism.

Preferably, the rotary wrench is a ratchet wrench for driving the sliding sleeve assembly to rotate in one direction.

The beneficial effects of the present invention are: to provide a wrench with a limiter, first insert the nut into the first limit groove, then push down the sliding adjustment rod to insert the head of the bolt into the second limit groove, and then rotate and rotate Bolts and nuts can be assembled and disassembled with a wrench. It should be noted that since the rotary wrench and the sliding sleeve assembly do not rotate relative to each other, when the rotating wrench is rotated, the sliding sleeve assembly will rotate relative to the limiter, that is, the second limit groove will rotate relative to the first limit groove. Therefore, the nut inserted into the first limiting slot and the bolt inserted into the second limiting slot can be rotated relative to each other, thereby completing the assembly and disassembly of the bolt and the nut. It can be understood that since the rotary wrench can be rotated with one hand, the operation and maintenance personnel can realize the assembly and disassembly of the bolt and the nut with one hand, so the wrench with the limiter provided by the present invention can solve the problem that the existing wrench cannot be realized with one hand. Removal of bolts and nuts.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a wrench with a stopper provided by an embodiment.

In the picture:

1. Limiter; 101, vertical plate; 102, lower horizontal plate; 1021, first limit groove; 103, upper horizontal plate;

2. Sliding sleeve assembly; 201, rotating sleeve; 2011, annular boss; 202, sliding block; 2021, second limit groove; 203, adjusting rod; 2031, vertical rod; 2032, horizontal rod;

3. Rotary wrench; 301, sleeve; 302, ratchet mechanism; 303, handle.

Detailed ways

In order to make the purposes, features and advantages of the present invention more obvious and understandable, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the following description The embodiments described above are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

Referring to FIG. 1 , the present embodiment provides a wrench with a stopper for assembling and disassembling a bolt and a nut, which includes a stopper 1 , a sliding sleeve assembly 2 and a rotating wrench 3 .

The lower end of the limiter 1 is provided with a first limit groove 1021 into which the nut is inserted. The sliding sleeve assembly 2 includes a rotating sleeve 201 rotatably connected to the upper end of the stopper 1 , a sliding block 202 located in the rotating sleeve 201 , and a sliding adjusting rod 203 for driving the sliding block 202 to slide up and down. ; The bottom of the sliding block 202 is provided with a second limiting slot 2021 for the head of the bolt to be inserted into; the first limiting slot 1021 and the second limiting slot 2021 are coaxial. The rotating wrench 3 is connected to the rotating sleeve 201 for driving the sliding sleeve assembly 2 to rotate relative to the limiter 1 around the axis of the first limiting groove 1021 .

It can be understood that, to realize the assembly and disassembly of the bolt and the nut, the key is to realize the relative rotation of the bolt and the nut.

In the wrench with the limiter provided by the present invention, first insert the nut into the first limit groove 1021, then push the sliding adjustment rod 203 downward to make the head of the bolt insert into the second limit groove 2021, and then rotate the rotary wrench 3 to get It can realize the assembly and disassembly of bolts and nuts. It should be noted that since the rotary wrench 3 and the sliding sleeve assembly 2 do not rotate relative to each other, when the rotating wrench 3 is rotated, the sliding sleeve assembly 2 will rotate relative to the limiter 1, that is, the second limit groove 2021 will rotate relative to the first limiter 1. The rotation of the first limiting groove 1021 enables the nut inserted into the first limiting groove 1021 and the bolt inserted into the second limiting groove 2021 to rotate relative to each other, thereby completing the assembly and disassembly of the bolt and the nut. It can be understood that since the rotary wrench 3 can be rotated with one hand, the operation and maintenance personnel can realize the assembly and disassembly of the bolt and the nut with one hand, so the wrench with the limiter provided by the present invention can solve the problem that the existing wrench cannot realize the single-handed assembly and disassembly. The problem of hand assembly and disassembly of bolts and nuts.

In this embodiment, the first limiting slot 1021 is a blind slot, and the bottom of the slot is provided with a penetrating hole for the bolt to pass through.

It can be understood that when the rotary wrench 3 is rotated in the forward direction, the bolt and the nut approach each other and gradually separate from their corresponding limit grooves, and the part of the bolt beyond the end of the curtain protrudes downward through the rod hole to avoid the limiter 1. Interfere with the downward movement of the bolt. When the bolt and nut are about to leave the limit groove, slide the adjusting rod 203 downward to make the two limit grooves clamp the bolt and nut again, and the bolt can be screwed into the nut by reciprocating several times; When the rotary wrench 3 is rotated in the reverse direction, the bolt and the nut are far away from each other. Since the nut is blocked by the first limit groove 1021 and cannot move down, the bolt will slide up against the sliding adjustment rod 203, and the rotary wrench 3 can be rotated continuously to make the The bolt is separated from the nut.

In this embodiment, the sliding adjustment rod 203 includes a vertical rod 2031 and a horizontal rod 2032. The vertical rod 2031 is slidably connected to the top of the rotating sleeve 201 vertically downward and extends to the top of the sliding block 202. The horizontal bar 2032 is horizontally fixed to the top of the vertical bar 2031 .

It can be understood that the horizontal bar 2032 is used as a force-applying bar to apply force to the vertical bar 2031 through the lever principle to drive the vertical bar 2031 to rotate, thereby realizing labor saving.

Preferably, the stopper 1 includes two vertical plates 101 arranged in parallel, a lower horizontal plate 102 connecting the lower ends of the two vertical plates 101 and an upper horizontal plate 103 connecting the upper ends of the two vertical plates 101; the The first limiting slot 1021 is located at the top of the lower horizontal plate 102 , the upper horizontal plate 103 is provided with a circular hole through which the rotating sleeve 201 can be inserted and is coaxial with the first limiting slot 1021 . The hole wall passing through the circular hole is provided with an annular groove. An annular boss 2011 is provided on the outside of the rotating sleeve 201, and the annular boss 2011 is inserted into the annular groove and is rotatably connected with the annular groove.

Specifically, the annular boss 2011 and the annular groove can not only realize the rotational connection between the rotating sleeve 201 and the limiter 1 , but also prevent vertical displacement of the rotating sleeve 201 and the limiter 1 .

Optionally, the outer side of the rotating sleeve 201 includes at least two straight planes for clamping the rotating wrench 3 , and the two straight planes are parallel to each other. Specifically, when two straight planes are provided on the outer side of the rotating sleeve 201, the rotating wrench 3 can be detachably connected to the rotating sleeve 201. For example, the rotating wrench 3 can be a commonly used fixed wrench or adjustable wrench. Such a design is beneficial to the sliding sleeve assembly 2. Use with different rotary wrenches 3. Further, the outer contour of the rotating sleeve 201 is a hexagonal prism, and the rotating wrench 3 is provided with a plum blossom hole into which the rotating sleeve 201 is inserted. Specifically, when the rotating sleeve 201 is a hexagonal prism, the rotating wrench 3 can be a Torx wrench.

Preferably, the sliding block 202 is in the shape of a hexagonal prism.

Specifically, the sliding block 202 is in the shape of a hexagonal prism, which can prevent the sliding block 202 from rotating relative to the rotating sleeve 201 .

Preferably, the rotating wrench 3 is a ratchet wrench for driving the sliding sleeve assembly 2 to rotate in one direction.

It should be noted that using a ratchet wrench can speed up assembly and disassembly and improve work efficiency.

It can be understood that a ratchet wrench generally includes a sleeve 301 for clamping the rotating sleeve 201 , a ratchet mechanism 302 and a handle 303 unidirectionally rotatably connected to the sleeve 301 under the action of the ratchet mechanism 302 . Specifically, the specific structure of the ratchet wrench belongs to the prior art, and is not the focus of this embodiment, so it will not be described in detail.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The recorded technical solutions are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A wrench with a limiter is used for realizing the assembly and disassembly of a bolt and a nut, and is characterized by comprising:

the lower end of the limiting device is provided with a first limiting groove for the nut to insert;

the sliding sleeve assembly comprises a rotating sleeve rotatably connected with the upper end of the stopper, a sliding block positioned in the rotating sleeve and a sliding adjusting rod used for driving the sliding block to slide up and down; the bottom of the sliding block is provided with a second limiting groove for inserting the head of the bolt; the first limiting groove and the second limiting groove are coaxial;

the rotary wrench is connected with the rotating sleeve and used for driving the sliding sleeve assembly to rotate around the axis of the first limiting groove relative to the limiting device.

2. The wrench with the stopper according to claim 1, wherein the first stopper groove is a blind groove, and a through-hole for the bolt to pass through is formed at the bottom of the blind groove.

3. The wrench with the stopper as claimed in claim 1, wherein the sliding adjusting lever includes a vertical rod and a horizontal rod, the vertical rod is vertically and downwardly slidably connected with the top of the rotating sleeve and extends to the top of the sliding block, and the horizontal rod is horizontally fixed on the top of the vertical rod.

4. The wrench with the stopper as claimed in claim 1, wherein the stopper comprises two parallel vertical plates, a lower horizontal plate connecting the lower ends of the two vertical plates, and an upper horizontal plate connecting the upper ends of the two vertical plates; the first limiting groove is positioned at the top of the lower transverse plate, the upper transverse plate is provided with a through round hole for the rotating sleeve to insert and coaxial with the first limiting groove, and the hole wall of the through round hole is provided with an annular groove;

and an annular boss is arranged outside the rotating sleeve, and the annular boss is inserted into the annular groove and is rotationally connected with the annular groove.

5. The wrench with the limiter of claim 1, wherein the outer side of the rotating sleeve includes at least two straight planes for the rotating wrench to clamp, the two straight planes being parallel to each other.

6. The wrench with the stopper according to claim 5, wherein the outer contour of the rotating sleeve is hexagonal prism-shaped, and the rotary wrench is provided with a spline hole into which the rotating sleeve is inserted.

7. The wrench with the limiter of claim 6, wherein the sliding block is hexagonal prism-shaped.

8. The wrench with the limiter of claim 1, wherein the rotary wrench is a ratchet wrench for driving the sliding sleeve assembly to rotate in one direction.

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