CN214490355U - Multifunctional wrench - Google Patents

Abstract

The utility model discloses a multifunctional wrench, include: the handle is fixed with a wrench head which is meshed with a one-way reversing structure, the wrench head comprises a gear arranged in the middle of the handle, one axial side of the gear is provided with a first processing head, the other axial side of the gear is provided with a second processing head, the one-way reversing structure comprises a ratchet wheel meshed below the gear, a pressure piece is abutted below the ratchet wheel and fixed on a reciprocating piece, the reciprocating piece is movably matched in the handle, the ratchet wheel is provided with two symmetrical pawls which can push the pawls to limit the rotating direction of the gear, the wrench is provided with the first processing head and the second processing head, nuts with different rules can be processed by splines and screwdriver heads arranged at two ends, the spline grooves are mounted or dismounted, so that the spline grooves can be suitable for more different workpieces or articles, one article is multifunctional, and the mounting and dismounting problems of various articles can be solved by only one wrench.

Description

Multifunctional wrench

Technical Field

The utility model relates to a spanner, especially a multifunctional spanner.

Background

The wrench is a common mounting and dismounting tool, and is a hand tool for screwing bolts, screws, nuts and other threads to tightly hold open or trepanning fasteners of the bolts or nuts by utilizing the lever principle, and is usually made of structural steel made of carbon or alloy materials.

However, the wrench in the prior art often has only one end to be used, and if screws or nuts of different specifications need to be disassembled, different screwdriver bits need to be disassembled and replaced, which is troublesome, the existing one-way wrench can be generally operated only towards one end, and the wrench direction needs to be replaced if the existing one-way wrench needs to be reversely screwed out, but the wrench direction is difficult to be replaced in some narrow installation environments, and more time is needed for installing objects.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multifunctional wrench can effectively solve above-mentioned problem.

The utility model discloses a realize like this:

a multi-function wrench, comprising: a handle, a wrench head is fixed on the handle, the wrench head is meshed with the unidirectional reversing structure together,

the wrench head comprises a gear arranged in the middle of the handle, a first processing head is arranged on one axial side of the gear, a second processing head is arranged on the other axial side of the gear,

the unidirectional reversing structure comprises a ratchet wheel meshed below the gear, a pressure piece is abutted to the lower portion of the ratchet wheel and fixed on the reciprocating piece, the reciprocating piece is movably matched in the handle, two symmetrical pawls are arranged on the ratchet wheel and push the pawls, and the pawls can limit the rotation direction of the gear.

As a further refinement, the first processing head and the second processing head are of different specifications.

As a further improvement, the handle comprises a clamping cavity, a first clamping plate and a second clamping plate are respectively connected to two sides of the clamping cavity, and the first clamping plate and the second clamping plate are locked and fixed on the clamping cavity and the ratchet wheel through pins.

As a further improvement, the first clamping plate is provided with a first through hole, the second clamping plate is provided with a second through hole, and the wrench head vertically penetrates through the first through hole and the second through hole.

As a further improvement, the first machining head and the second machining head are both provided with a screwdriver bit and a spline.

As a further improvement, the clamping cavity comprises a plurality of inner grooves formed in the clamping cavity, and the clamping cavity further comprises a straight channel for accommodating the pressed piece and the reciprocating piece.

As a further improvement, the pressure receiving member is a ball.

As a further improvement, the reciprocating member is any one of a spring, an elastic block and a hydraulic arm.

The utility model has the advantages that:

1. the utility model discloses a spanner head that sets up possesses first processing head and second processing head, can install or dismantle the nut of different rules, spline groove through spline and the screwdriver head that both ends set up, can adapt to more different work pieces or articles for use, and a thing is multi-purpose, only needs the installation that a spanner can solve multiple articles for use and dismantles the problem.

2. The utility model discloses an one-way reversing structure that sets up, can be at the in-process of installation tightening, if the discovery is twisted too tightly, can be directly through the mode of pressing the pawl, make the ratchet oppress and receive piece and reciprocating member, rotate along the center, switch the spacing direction of ratchet counter gear, reverse rotation handle again, can be under the condition of not changing the spanner direction, carry out reverse operation to the spanner, it is narrow to be particularly suitable for being used for the installation environment, the installation environment of spanner direction not be convenient for, the practicality of this spanner has been improved, can be used for more complicated installation environment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of the multi-functional wrench of the present invention.

Fig. 2 is a sectional view of the multi-functional wrench of the present invention.

Fig. 3 is an exploded view of the multi-functional wrench of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, a multi-function wrench includes: the handle 1, be fixed with a wrench head 2 on the handle 1, wrench head 2 is in the same place with the meshing of one-way reversing structure 3, wrench head 2, including setting up the gear 22 in the middle of handle 1, the axial one side of gear 22 is provided with first processing head 21, the axial opposite side of gear 22 is provided with second processing head 23, one-way reversing structure 3, including the meshing in ratchet 31 below gear 22, the below butt of ratchet 31 has the pressure piece 32, pressure piece 32 is fixed on reciprocating member 33, reciprocating member 33 clearance fit is in handle 1, be provided with two symmetrical pawls 311 on ratchet 31, promote pawl 311, pawl 311 can carry out spacing to the direction of rotation of gear 22, through the one-way reversing structure 3 who sets up, can be in the in-process of installation screwing up, if find when screwing up too much, can directly pass through the mode of pressing pawl 311, the ratchet wheel 31 presses the pressed part 32 and the reciprocating part 33, the pressed part and the reciprocating part rotate along the center, the limiting direction of the ratchet wheel 31 to the gear 22 is switched, and then the handle 1 is rotated reversely, so that the wrench can be operated reversely under the condition that the wrench direction is not changed.

Further, the specifications of the first machining head 21 and the second machining head 23 are different, different calibers can be set according to the size of a nut or a screw of a common installation environment, and two ends of the first machining head and the second machining head are different calibers, so that the practicability of the wrench is improved.

Further, the handle 1 comprises a clamping cavity 12, a first clamping plate 11 and a second clamping plate 13 are connected to two sides of the clamping cavity 12 respectively, the first clamping plate 11 and the second clamping plate 13 are locked and fixed on the clamping cavity 12 and the ratchet wheel 31 through pins 14, the whole handle 1 can be detached, when a certain component is necrotic or not attractive, the component can be replaced independently through the mode of replacing the component, and the whole handle 1 does not need to be replaced.

Further, the first clamping plate 11 is provided with a first through hole 111, the second clamping plate 13 is provided with a second through hole 131, and the wrench head 2 vertically penetrates through the first through hole 111 and the second through hole 131.

Further, all be provided with screwdriver bit and spline on first processing head 21 with second processing head 23, screwdriver bit's shape and specification can set up according to actual need self-adaptation, the spline groove self-adaptation that also can cooperate as required set up, do not do here and give unnecessary details.

Further, the clamping cavity 12 includes a plurality of inner grooves 121 formed therein, the clamping cavity 12 further includes a straight passage 122 for accommodating the pressed piece 32 and the reciprocating piece 33, the straight passage 122 can restrict and limit the positions of the pressed piece 32 and the reciprocating piece 33, and prevent the ratchet wheel 31 from ejecting the pressed piece 32 and the reciprocating piece 33 to the original positions when rotating, the weight of the entire wrench can be reduced due to the arrangement of the inner grooves 121, the application of the material of the inner grooves 121 is improved, and the cost is reduced.

Further, the pressed part 32 is a ball, in other embodiments, the pressed part 32 may be any shape with an arc-shaped top, and the arrangement of the arc-shaped top ensures that the ratchet wheel 31 can be held and the direction of the ratchet wheel 31 can be switched smoothly.

Further, the reciprocating member 33 is a spring, in other embodiments, the reciprocating member 33 may be an elastic block not shown in the drawings or a hydraulic arm not shown in the drawings, and can play a role of buffering and returning the pressure receiving member 32, and after the ratchet wheel 31 is rotated, the pressure receiving member 32 can be immediately abutted by the pressure receiving member 32, so as to prevent the ratchet wheel 31 from losing the constraint on the gear 22.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A multi-function wrench, comprising: a handle (1), a wrench head (2) is fixed on the handle (1), the wrench head (2) is engaged with the unidirectional reversing structure (3),

the wrench head (2) comprises a gear (22) arranged in the middle of the handle (1), a first processing head (21) is arranged on one axial side of the gear (22), a second processing head (23) is arranged on the other axial side of the gear (22),

the unidirectional reversing structure (3) comprises a ratchet wheel (31) meshed below the gear (22), a pressed part (32) is abutted to the lower portion of the ratchet wheel (31), the pressed part (32) is fixed on a reciprocating part (33), the reciprocating part (33) is movably matched in the handle (1), two symmetrical pawls (311) are arranged on the ratchet wheel (31) to push the pawls (311), and the pawls (311) can limit the rotation direction of the gear (22).

2. A multi-function wrench as claimed in claim 1, wherein the first machining head (21) and the second machining head (23) are of different specifications.

3. The multi-purpose wrench according to claim 1, wherein the handle (1) includes a clamping cavity (12), a first clamping plate (11) and a second clamping plate (13) are respectively connected to two sides of the clamping cavity (12), and the first clamping plate (11) and the second clamping plate (13) are locked and fixed to the clamping cavity (12) and the ratchet wheel (31) through a pin (14).

4. A multi-functional wrench as claimed in claim 3, wherein the first clamping plate (11) has a first through hole (111) formed therein, the second clamping plate (13) has a second through hole (131) formed therein, and the wrench head (2) vertically penetrates through the first through hole (111) and the second through hole (131).

5. A multi-function wrench as claimed in claim 2, wherein the first machining head (21) and the second machining head (23) are provided with screwdrivers and splines.

6. A multi-purpose wrench according to claim 3, wherein said locking chamber (12) includes a plurality of internal grooves (121) formed therein, and said locking chamber (12) further includes a straight channel (122) for receiving said pressure member (32) and said reciprocating member (33).

7. A multi-function wrench as claimed in claim 1, wherein said pressure receiving member (32) is a ball.

8. A multi-function wrench as claimed in claim 1, wherein said reciprocating member (33) is any one of a spring, a resilient block, a hydraulic arm.

Images