CN219521938U - Spanner convenient to dismouting in narrow space - Google Patents

Abstract

The utility model belongs to the technical field of wrenches, and discloses a wrench convenient to disassemble and assemble in a narrow space, which comprises a wrench body; the driving pull block is positioned on the left side of the wrench body, the right side of the driving pull block is connected with a driving mechanism, and a limiting block is arranged below the driving mechanism; the handle is positioned at the left side of the wrench body, and a trepanning is arranged at the right side of the handle; and the stop limiting mechanism is positioned at the left side of the trepanning. This spanner convenient to dismouting in narrow space converts traditional spanner's rotary driving force into pull parallel sliding force through actuating mechanism, and the movable range when making spanner drive reduces, is convenient for install the dismantlement to narrow space's nut, and the drive wheel left side still is provided with limited stop mechanism, makes the actuating lever when the pullback, and the drive wheel can not rotate along with the drive ejector pad, makes the drive wheel remain unidirectional rotation throughout, compares hydraulic spanner, and the cost is lower, and it is more convenient to use, need not to connect actuating device.

Description

Spanner convenient to dismouting in narrow space

Technical Field

The utility model relates to the technical field of wrenches, in particular to a wrench convenient to disassemble and assemble in a narrow space.

Background

The wrench is a common installation and disassembly tool, is a manual tool for screwing bolts, screws, nuts and other threads to tightly clamp openings or trepanning fasteners of the bolts or the nuts by utilizing a lever principle, is usually made of carbon or alloy structural steel, is usually provided with openings or trepanning clamping the bolts or the nuts at one end or two ends of a handle part, and can screw the bolts or the nuts by applying external force on the handle part along the rotation direction of the threads when in use, so as to achieve the purpose of disassembly or assembly.

There are many limitations in the existing manual wrench in the market at present, there is also a hydraulic wrench in the prior art, which achieves the effect of automatically disassembling the nut through hydraulic driving force, but the manual wrench and the hydraulic wrench still have the following problems when used in a certain environment:

because manual spanner needs to cup joint spanner trepanning or opening on the nut when using, and the handle of rotatory spanner drives the nut rotation afterwards, and the handle of spanner is longer generally, all is provided with the barrier when the both sides of the nut that needs to dismantle and shelters from for there is very big restriction in the rotation scope of spanner, brings certain difficulty for the dismantlement of nut, and hydraulic spanner needs to connect hydraulic equipment, also has certain limitation to the demand of service environment, when the unable connection of environment or inconvenient connection hydraulic equipment in place, just brings trouble for the dismantlement installation of nut.

Disclosure of Invention

The utility model aims to provide a wrench convenient to disassemble and assemble in a narrow space, so as to solve the problems that the prior wrench and the hydraulic wrench in the current market, which are proposed by the background technology, are limited by the environment, and cannot be used or are inconvenient to use in some specific environments.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a wrench for facilitating disassembly in a confined space, comprising:

a wrench body;

the driving pull block is positioned on the left side of the wrench body, the right side of the driving pull block is connected with a driving mechanism, and a limiting block is arranged below the driving mechanism;

the handle is positioned at the left side of the wrench body and is convenient for holding the wrench body, and a trepanning is arranged at the right side of the handle;

the limiting and stopping mechanism is positioned at the left side of the trepanning and is used for limiting the unidirectional rotation of the wrench body;

the driving mechanism comprises a driving mechanism and a driving mechanism,

a sliding groove positioned on the grip for driving sliding of the rod;

the driving rod is connected to the right side of the driving pull block, and the driving rod and the driving pull block are of an integrated structure;

and the movable shaft I is positioned at the top end of the right side of the driving rod.

The drive mechanism may further comprise a drive mechanism,

the driving pushing block is connected to the top end of the right side of the driving rod through the movable shaft I;

the driving wheel is positioned outside the trepanning, and the driving wheel and the trepanning integrally rotate;

the clamping opening is positioned at the top end of the right side of the driving pushing block, and the clamping opening is meshed with the driving gear tooth block.

Preferably, the stop-limiting mechanism comprises,

a movable rod positioned on the right side of the grip;

and the stop limiting rod is positioned at the outer side of the movable rod and is clamped with the driving wheel.

Preferably, the stop mechanism further comprises,

the movable shaft II is positioned below the movable rod and is used for connecting the movable rod with the inner wall of the grip;

the torsion spring is positioned in the movable shaft II, one side of the torsion spring is connected with the outer wall of the movable shaft II, and the other side of the torsion spring is connected with the inner wall of the movable rod.

Preferably, the stop limiting rod and the driving pushing block are meshed with the driving gear tooth block, and a clamping opening arranged at the front end of the driving pushing block is attached to the gear tooth block of the driving wheel.

Compared with the prior art, the utility model has the beneficial effects that: this spanner convenient to dismouting in narrow space:

1. the rotary driving force of the traditional wrench is converted into the pulling parallel sliding force through the driving mechanism, so that the movable range of the wrench during driving is reduced, the nut in a narrow space can be conveniently assembled and disassembled, and the nut can be disassembled or assembled as long as the trepanning of the wrench can be sleeved on the outer side of the nut;

2. in order to enable the driving mechanism to normally operate, the left side of the driving wheel is further provided with a limited stopping mechanism, so that the driving wheel cannot rotate along with the driving pushing block when the driving rod is pulled back, the driving wheel always keeps unidirectional rotation, and compared with a hydraulic wrench, the hydraulic wrench is lower in cost and more convenient to use, and driving equipment is not required to be connected.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the present utility model;

FIG. 2 is a schematic diagram of the overall cross-sectional elevation of the present utility model;

FIG. 3 is a schematic side view of a wrench head according to the present utility model;

FIG. 4 is an enlarged schematic view of the stop mechanism of the present utility model;

fig. 5 is an enlarged schematic view of the driving push block according to the present utility model.

In the figure: 1. a wrench body; 2. driving the pull block; 3. a grip; 4. trepanning; 5. a driving mechanism; 501. a sliding groove; 502. a driving rod; 503. a movable shaft I; 504. driving the pushing block; 505. a driving wheel; 506. a clamping opening; 6. a stop limiting mechanism; 601. a movable rod; 602. a stop limiting rod; 603. a movable shaft II; 604. a torsion spring; 7. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a wrench for facilitating disassembly in a confined space, comprising:

a wrench body 1;

the driving pull block 2 is positioned at the left side of the wrench body 1, the right side of the driving pull block 2 is connected with a driving mechanism 5, and a limiting block 7 is arranged below the driving mechanism 5;

the handle 3 is positioned at the left side of the wrench body 1, so that the wrench body 1 can be conveniently held, and a sleeve hole 4 is formed at the right side of the handle 3;

and a stop limiting mechanism 6 which is positioned at the left side of the sleeve hole 4 and is used for limiting the unidirectional rotation of the wrench body 1.

The driving mechanism 5 comprises a drive mechanism which,

a slide groove 501 provided on the grip 3 for sliding the driving lever 502;

the driving rod 502 is connected to the right side of the driving pull block 2, and the driving rod 502 and the driving pull block 2 are of an integrated structure;

and a movable shaft I503 which is positioned at the right top end of the driving rod 502.

The drive mechanism 5 also comprises a drive mechanism,

a driving push block 504 connected to the right top of the driving rod 502 via a first movable shaft 503;

a driving wheel 505 located outside the trepanning 4, the driving wheel 505 integrally rotating with the trepanning;

the clamping opening 506 is positioned at the top end of the right side of the driving pushing block 504, the clamping opening 506 is meshed with the tooth block of the driving wheel 505, and the rotation driving force of the traditional wrench is converted into transverse drawing through the driving mechanism 5, so that the wrench is suitable for dismounting nuts in a narrow space.

The stop-limiting mechanism 6 comprises a stop-limiting mechanism,

a movable bar 601 located on the right side of the grip 3;

and a stopper rod 602 located outside the movable rod 601, the stopper rod 602 being engaged with the driving wheel 505.

The stop-limiting mechanism 6 also comprises,

a second movable shaft 603, which is located below the movable rod 601, wherein the second movable shaft 603 connects the movable rod 601 with the inner wall of the grip 3;

the torsion spring 604 is located inside the second movable shaft 603, one side of the torsion spring 604 is connected to the outer wall of the second movable shaft 603, and the other side of the torsion spring 604 is connected to the inner wall of the movable rod 601.

The stop limiting rod 602 and the driving pushing block 504 are meshed with the tooth blocks of the driving wheel 505, the clamping opening 506 arranged at the front end of the driving pushing block 504 is attached to the tooth block shape of the driving wheel 505, and the stop limiting mechanism 6 is used for assisting the driving mechanism 5 in driving the rotating wheel, so that the driving wheel 505 always rotates in a single direction.

Working principle: according to fig. 1-5, first, the handle 3 of the wrench body 1 is held by holding the wrench body 1, the socket 4 at the front end of the wrench body 1 is sleeved outside the nut to be disassembled, the driving rod 502 slides leftwards by pulling the driving pull block 2 outwards, the driving push block 504 is lifted upwards around the movable shaft 503 by the upward force of the driving wheel 505 in the sliding process of the driving rod 502, in the process, the driving push block 504 does not have displacement influence on the driving wheel 505 due to the blocking limit of the stopping rod 602, after the driving push block 504 moves to the left side, the driving pull block 2 is pushed rightwards, the driving rod 502 slides rightwards in the sliding groove 501, and as the front end of the driving push block 504 is provided with a blocking opening 506 meshed with the external teeth of the driving wheel 505, the driving push block 504 pushes and rotates the driving wheel 505, in the process, the stopping rod 602 is retracted leftwards by the pushing force of the driving wheel 505, under the action of the torsion spring 604, the limit stop rod 602 is driven by the driving wheel 505 and the movable rod 601 in a reciprocating manner, the limit stop rod 602 plays a role in limiting reverse rotation of the driving wheel 505, so that the driving wheel 505 always keeps rotating and driving in one direction, the driving push block 504 drives the driving wheel 505 to rotate and directly rotate the sleeve hole 4, the nut in the sleeve hole 4 rotates along with the sleeve hole 4 due to the clamping of the shape of the sleeve hole 4 and the effect of disassembling the nut is achieved, (the driving principle of the driving mechanism 5 is similar to that of a hydraulic spanner, the difference is that the spanner body 1 does not need to be connected with a hydraulic device for hydraulic driving), when the spanner body 1 is used for installing the nut, the direction of the driving force of the driving wheel 505 can be changed only by integrally reversing the spanner body 1, so that the spanner body 1 installs the nut, the wrench body 1 changes the driving direction of the traditional wrench, converts the rotation driving force into the transverse sliding force, reduces the use limitation of the wrench body 1, facilitates the disassembly of the nut with narrow space force, and is the functional introduction and the step description of the whole wrench which is convenient for the disassembly and assembly in the narrow space, and the contents which are not described in detail in the specification belong to the prior art known to the expert in the field.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (4)

1. A wrench for facilitating disassembly in a confined space, comprising:

a wrench body (1);

the driving pull block (2) is positioned at the left side of the wrench body (1), the right side of the driving pull block (2) is connected with a driving mechanism (5), and a limiting block (7) is arranged below the driving mechanism (5);

the handle (3) is positioned at the left side of the wrench body (1) and is convenient for holding the wrench body (1), and a trepanning (4) is arranged at the right side of the handle (3);

a stop limiting mechanism (6) which is positioned at the left side of the sleeve hole (4) and is used for limiting the unidirectional rotation of the wrench body (1);

the driving mechanism (5) comprises a driving mechanism,

a sliding groove (501) located on the grip (3) for driving sliding of the lever (502);

the driving rod (502) is connected to the right side of the driving pull block (2), and the driving rod (502) and the driving pull block (2) are of an integrated structure;

a movable shaft I (503) positioned at the right top end of the driving rod (502);

the driving mechanism (5) also comprises a driving mechanism,

a driving pushing block (504) connected to the right top end of the driving rod (502) through the movable shaft I (503);

a driving wheel (505) located outside the sleeve hole (4), the driving wheel (505) and the sleeve hole (4) integrally rotating;

and the clamping opening (506) is positioned at the right top end of the driving pushing block (504), and the clamping opening (506) is meshed with the tooth block of the driving wheel (505).

2. The wrench convenient to disassemble and assemble in a narrow space according to claim 1, wherein: the stop limiting mechanism (6) comprises,

a movable rod (601) positioned on the right side of the grip (3);

and a stop limiting rod (602) positioned outside the movable rod (601), wherein the stop limiting rod (602) is engaged with the driving wheel (505).

3. The wrench convenient to disassemble and assemble in a narrow space according to claim 2, wherein: the stop limiting mechanism (6) also comprises,

a second movable shaft (603) located below the movable rod (601), wherein the second movable shaft (603) connects the movable rod (601) with the inner wall of the grip (3);

the torsion spring (604) is positioned inside the movable shaft II (603), one side of the torsion spring (604) is connected with the outer wall of the movable shaft II (603), and the other side of the torsion spring (604) is connected with the inner wall of the movable rod (601).

4. The wrench convenient to disassemble and assemble in a narrow space according to claim 2, wherein: the stop limiting rod (602) and the driving pushing block (504) are meshed with the tooth blocks of the driving wheel (505), and a clamping opening (506) arranged at the front end of the driving pushing block (504) is attached to the tooth block of the driving wheel (505).