CN217453702U

CN217453702U - Quick adjustable wrench

Info

Publication number: CN217453702U
Application number: CN202221620401.3U
Authority: CN
Inventors: 邹家平
Original assignee: Jiangsu Sainty International Group Jiangdu Tool Co ltd
Current assignee: Jiangsu Hongshun Industrial Technology Co.,Ltd.
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-20
Anticipated expiration: 2032-06-27

Abstract

A quick adjustable wrench. Relates to a wrench. Comprises a trigger, a movable trigger opening and a fixed trigger opening; the fixed spanner opening is hinged to the end part of the spanner handle; the movable jaw is arranged on the fixed jaw in a sliding manner, the tail part of the movable jaw is meshed with the wrench handle, and the head part of the movable jaw is matched with the fixed jaw to form a clamping opening; a V-shaped notch I is arranged on the movable spanner opening; a V-shaped notch II matched with the V-shaped notch I is arranged on the fixed spanner opening; the movable spanner opening is provided with a bolt positioning mechanism; the bolt positioning mechanism includes: the positioning block is rotatably arranged on the movable wrench opening; the fixed spanner opening is provided with a step track matched with the positioning block; the small torsion spring is arranged in the small shaft hole; the positioning block is restored to the original shape towards the clamping opening through the elasticity of the small torsion spring. The utility model has the characteristics of compact structure, expansion spanner work efficiency and usage space etc.

Description

Quick adjustable wrench

Technical Field

The utility model relates to a spanner especially relates to quick adjustable spanner.

Background

The wrench is a common mounting and dismounting tool, and the width of a manual opening of an opening or trepanning firmware for tightly holding a bolt or a nut by screwing the bolt, the screw, the nut and other threads by utilizing the lever principle can be adjusted within a certain size range, so that bolts or nuts with different specifications can be screwed. The structure of the spanner is characterized in that a fixed jaw is made into a flat clamp recess with thin teeth; one end of the movable jaw is made into a flat jaw; the other end is made into a concave jaw with fine teeth; the worm is pressed downwards, the movable jaw can be quickly taken down, and the position of the jaw is changed.

The existing adjustable wrench mainly has a single thread structure and a double thread structure. The number of threads of the turbine is one, which is generally referred to as a single thread, and the number of threads of the turbine is two, which is generally referred to as a double thread configuration. When the device is installed and used in daily life, the device needs to be separated from a nut or a bolt head in advance during rotation, then the device is sleeved in the device again after rotation, and the operation is extremely unchanged. When aiming at nuts or bolt heads of different specifications, one hand is required to extend into the turbine end for rotary adjustment.

With the progress of the technology, the reversing ratchet wrench enters the life of people. When the reversing ratchet wrench is operated by stretching into a narrow space, fingers stretch into the narrow space to stir the reversing button, the operation is difficult, and the processing cost of the ratchet reversing wrench is high.

In view of the above problems, the applicant filed a new utility model with a patent name of a quick adjustable wrench on 20.04.2021, with the application number of CN 202120719357.0. The rotation angle of the quick adjustable wrench with the structure is 60 degrees, and the use condition of the quick adjustable wrench with the rotation angle smaller than 60 degrees is restricted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above problem, provide a compact structure, enlarged spanner work efficiency and usage space's quick adjustable spanner.

The technical scheme of the utility model is that: the quick adjustable wrench comprises a wrench handle, an adjustable wrench opening and a fixed wrench opening;

the fixed spanner opening is hinged to the end part of the spanner handle;

the movable jaw is arranged on the fixed jaw in a sliding manner, the tail part of the movable jaw is meshed with the wrench handle, and the head part of the movable jaw is matched with the fixed jaw to form a clamping opening;

a V-shaped notch I is arranged on the movable spanner opening;

a V-shaped notch II matched with the V-shaped notch I is arranged on the fixed wrench opening;

the movable spanner opening is provided with a bolt positioning mechanism; the bolt positioning mechanism includes:

the positioning block is rotatably arranged on the movable wrench opening; the fixed spanner opening is provided with a step track matched with the positioning block; and

the small torsion spring is arranged in the small shaft hole; the positioning block is restored to the original shape towards the clamping opening through the elasticity of the small torsion spring.

Specifically, the positioning block is rotatably arranged in a small shaft hole of the movable wrench opening through a rotating pin shaft fixedly connected with the positioning block.

Specifically, the movable wrench opening is provided with a small shaft hole matched with the rotating pin shaft.

Specifically, the rotating pin shaft is fixedly connected with the movable wrench opening in a threaded or interference fit mode.

Specifically, a concave platform matched with the positioning block is arranged on the wrench face of the movable wrench opening.

Specifically, the tail part of the movable wrench opening is provided with a linear tooth part;

the end part of the trigger is provided with an arc-shaped tooth part meshed with the linear tooth part.

Specifically, the angle of the first V-shaped notch and the angle of the second V-shaped notch are respectively 120 degrees.

Specifically, a tension spring is arranged between the movable jaw and the fixed jaw;

the extension spring sets up it pulls between mouth and the fixed mouth to pull, one end with it pulls mouthful to move about and is connected, the other end with it pulls mouthful to fix and is connected.

The utility model comprises a trigger, a movable trigger and a fixed trigger; a V-shaped notch I is arranged on the movable spanner opening; a V-shaped notch II matched with the V-shaped notch I is arranged on the fixed wrench opening; the movable jaw is provided with a bolt positioning mechanism; the bolt positioning mechanism comprises a positioning block, and a step track matched with the positioning block is arranged on the fixed wrench opening. When the spanner uses the small-specification bolt, the opening width of the spanner is correspondingly reduced, the movable spanner opening translates rightwards, the positioning block is driven to translate rightwards, the contact point of the positioning block moves upwards along the step track of the fixed spanner opening, the positioning block moves upwards, the V-shaped notch I and the V-shaped notch II of the spanner are ensured to be on the same straight line with the diagonal angle of the bolt, and the function that the spanner rotates by 30 degrees is guaranteed to be achieved. The utility model has the characteristics of compact structure, expansion spanner work efficiency and usage space etc.

Drawings

Figure 1 is a schematic perspective exploded view of the present invention,

figure 2 is a perspective view of a fixed jaw,

figure 3 is a schematic view of the structure of the use state I,

figure 4 is a schematic diagram of a structure in a use state II,

figure 5 is a schematic diagram of the structure of the using state III,

FIG. 6 is a schematic structural view of a first V-shaped notch and a second V-shaped notch;

in the drawing, 100 is a trigger, 200 is a movable trigger opening, 210 is a concave platform, 220 is a V-shaped notch I,

300 is a fixed jaw, 310 is a step track,

410 is a positioning block, 420 is a rotating pin, 430 is a small torsion spring, and 500 is a tension spring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model is shown in figures 1-6; the quick adjustable wrench comprises a wrench handle 100, an adjustable wrench opening 200 and a fixed wrench opening 300;

the fixed trigger 300 is hinged at the end of the trigger 100;

the movable wrench mouth 200 is arranged on the fixed wrench mouth 300 in a sliding manner, the tail part of the movable wrench mouth is meshed with the wrench handle 100, and the head part of the movable wrench mouth is matched with the fixed wrench mouth 300 to form a clamping mouth; it is characterized in that the preparation method is characterized in that,

a V-shaped notch I220 is arranged on the movable spanner opening 200;

a V-shaped notch II matched with the V-shaped notch I220 is arranged on the fixed spanner opening 300, namely the V-shaped notch I220 is symmetrical to the V-shaped notch II;

a bolt positioning mechanism is arranged on the movable wrench opening 200; the bolt positioning mechanism includes:

the positioning block 410 is rotatably arranged on the movable wrench mouth 200; the fixed wrench opening 300 is provided with a step track 310 matched with the positioning block 410; a curved stepped rail 310 (see fig. 2, which is a three-dimensional view after being rotated by 180 °) is formed at one side of the fixed jaw 300, so that a contact point of the positioning block 410 is contacted and moved at the stepped rail 310 due to an elastic force of a small torsion spring, see fig. 4, and finally, is engaged with a corner of the link. And a small torsion spring 430, the small torsion spring 430 being disposed in the small shaft hole; the positioning block 410 is restored to the original state in the nip direction by the elastic force of the small torsion spring 430.

Further, the positioning block 410 is rotatably disposed in the small axial hole of the adjustable wrench opening 200 by a rotating pin 420 fixedly connected thereto.

One end of the small torsion spring 430 is limited in the small shaft hole, and the other end is limited on the positioning block 410;

the bolt positioning device of the scheme is respectively composed of a positioning block 410, a rotating pin shaft 420 and a small torsion spring 430; the concave 210 is designed on the wrench face of the movable wrench opening 200, a small shaft hole is processed on the concave 210, the direction of figure 1 is taken as the reference direction, the top of the rotating pin shaft 420 is connected with the positioning block 410 and can rotate relatively, and the bottom is in interference fit or threaded connection with the movable wrench opening 200; an annular groove matched with the small torsion spring 430 is arranged on the small shaft hole and used for accommodating the small torsion spring 430, one end of the small torsion spring 430 is fixed in the upper small hole of the positioning block 410, the other end of the small torsion spring 430 is fixed in the lower small hole on the movable wrench opening 200, and the lower small hole is arranged at the bottom of the annular groove.

The movable wrench opening 200 is provided with a small shaft hole matched with the rotating pin shaft 420.

The top of the rotating pin shaft 420 is rotatably connected with the positioning block 410, and the bottom of the rotating pin shaft is in interference fit or threaded connection with the movable wrench opening 200.

Further, a concave platform (210) matched with the positioning block 410 is arranged on the wrench face of the movable wrench opening 200.

Further specifically, a linear tooth part is arranged at the tail part of the movable wrench opening 200;

the end of the trigger 100 is provided with an arc-shaped tooth portion engaged with the linear tooth portion.

Further, a tension spring 500 is arranged between the movable wrench opening 200 and the fixed wrench opening 300;

the tension spring 500 is disposed between the movable jaw 200 and the fixed jaw 300, one end of which is connected to the movable jaw 200 and the other end of which is connected to the fixed jaw 300. The structure and function of the tension spring 510 in this case are the same as the technical features described in CN202120719357.0 in the prior patent document, and therefore, the description thereof is omitted.

Further limiting, as shown in fig. 6, the angle of the first V-shaped notch 220 and the angle of the second V-shaped notch are 120 ° respectively, and the first V-shaped notch and the second V-shaped notch are mainly used for matching with opposite corners of a hexagon bolt, as shown in fig. 4, so that the wrench can clamp not only opposite sides of the bolt, as shown in fig. 3, but also opposite corners of the bolt, thereby reducing the rotation angle of the wrench and achieving the purpose of achieving a rotation angle of 30 °.

The positions of a pair of 120-degree V-shaped notches (comprising a V-shaped notch I220 and a V-shaped notch II) are designed according to the diagonal positions of the maximum-specification bolt used by the wrench, and in order to ensure that the diagonal positions of other different small-specification bolts can be smoothly matched with the V-shaped notches, the working stability of the small-specification bolts is improved through the bolt positioning device matched with the V-shaped notches.

When the wrench uses a small-sized bolt, as shown in fig. 5, the opening width is correspondingly reduced, the movable wrench opening 200 is translated rightward through the tension spring 500, the positioning block 410 is also driven to translate rightward, the contact point of the positioning block 410 moves upward along the step track 310 of the fixed wrench opening 300, so that the positioning block 410 moves upward, the V-shaped notch one 220 and the V-shaped notch two of the wrench are ensured to be on the same straight line with the opposite angle of the bolt, and the function of rotating the wrench for 30 degrees is ensured to be realized.

The disclosure of the present application also includes the following points:

(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;

(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;

the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.

Claims

1. The quick adjustable wrench comprises a wrench handle (100), an adjustable wrench opening (200) and a fixed wrench opening (300);

the fixed spanner opening (300) is hinged at the end part of the spanner (100);

the movable spanner opening (200) is arranged on the fixed spanner opening (300) in a sliding mode, the tail of the movable spanner opening is connected with the spanner handle (100) in a meshed mode, and the head of the movable spanner opening is matched with the fixed spanner opening (300) to form a clamping opening; it is characterized in that the preparation method is characterized in that,

a first V-shaped notch (220) is arranged on the movable spanner opening (200);

a V-shaped notch II matched with the V-shaped notch I (220) is arranged on the fixed spanner opening (300);

a bolt positioning mechanism is arranged on the movable spanner opening (200); the bolt positioning mechanism includes:

the positioning block (410) is rotatably arranged on the movable wrench opening (200); a step track (310) matched with the positioning block (410) is arranged on the fixed wrench opening (300); and

a small torsion spring (430), the small torsion spring (430) being disposed within the small axial bore; the positioning block (410) is restored to the original state in the clamping opening direction through the elasticity of the small torsion spring (430).

2. The quick adjustable wrench according to claim 1, wherein the positioning block (410) is rotatably disposed in the small axial hole of the adjustable wrench opening (200) by a rotating pin (420) movably connected thereto.

3. The quick adjustable wrench according to claim 2, wherein the adjustable wrench opening (200) is provided with a small shaft hole adapted to the rotating pin (420).

4. The quick adjustable wrench according to claim 2, wherein the rotating pin (420) is fixedly connected with the adjustable wrench mouth (200) through a thread or interference fit.

5. The quick adjustable wrench according to claim 1, wherein the wrench face of the adjustable wrench opening (200) is provided with a concave platform (210) adapted to the positioning block (410).

6. The quick adjustable wrench according to claim 1, wherein the rear portion of the adjustable jaw (200) is provided with a linear tooth portion;

the end part of the trigger (100) is provided with an arc-shaped tooth part meshed with the linear tooth part.

7. A quick monkey wrench according to claim 1, characterised in that the angle of the V-notch one (220) and the angle of the V-notch two are each 120 °.

8. The quick adjustable wrench according to claim 1, wherein a tension spring (510) is disposed between the movable wrench opening (200) and the fixed wrench opening (300);

the tension spring (510) is arranged between the movable wrench opening (200) and the fixed wrench opening (300), one end of the tension spring is connected with the movable wrench opening (200), and the other end of the tension spring is connected with the fixed wrench opening (300).