WO2020051859A1

WO2020051859A1 - Novel adjustable wrench

Info

Publication number: WO2020051859A1
Application number: PCT/CN2018/105616
Authority: WO
Inventors: 周皓
Original assignee: 苏州迈创信息技术有限公司
Priority date: 2018-09-14
Filing date: 2018-09-14
Publication date: 2020-03-19
Also published as: DE212018000042U1

Abstract

An adjustable wrench comprises a jaws portion and a handle (1). The jaws portion comprises an adjustable wall (2) and a fixed wall (3) forming a jaws opening. The adjustable wall and the fixed wall are each provided with a first positioning stud (4). A blind hole (5) is provided in one of a left or right side wall of the jaws opening, and a second positioning stud (6) is provided in the blind hole. A clamping member (64) is provided on a side wall at one end of the second positioning stud, and a resistance member (62) is provided at the other end of the second positioning stud. A free end of the resistance member is extended to form a positioning pin (63). An outer portion at one end of the second positioning stud is sleeved onto a first spring (67) and connected to a bottom surface of the blind hole. An outlet (7) is provided on a surface of the wrench. The adjustable wrench has a reasonable structure, is simple to use, saves manpower and time, and can be used to perform an assembling or disassembling operation on a capstan nut or a slotted circular capstan nut having a smaller thickness or a larger diameter.

Description

New type adjustable wrench

Technical field

The utility model relates to the technical field of hardware tools, in particular to a wrench.

Background technique

The function of the current adjustable wrench is relatively single. For a nut of general shape, the disassembly operation can be performed by adjusting the distance between the two clamping arms by a turbine. However, for a nut with a hole on the front, it may be due to the nut diameter. It is too large to be clamped between the two clamp arms, or it is inconvenient to use the clamping mouth for clamping operation because of the small thickness of the nut. At this time, there is no way to use an adjustable wrench to disassemble this smaller thickness. Nuts; For round nuts with holes on the side, only the two clamping arms of the adjustable wrench cannot effectively clamp the round nuts with holes on the side and prevent them from slipping and displacing during the disassembly process. Use other tools for disassembly, which makes the disassembly process more tedious, and replacing tools back and forth, not only wastes physical strength but also wastes time.

Utility model content

The technical problem to be solved by the utility model is to provide a new type of adjustable wrench with a reasonable structure design, which can be used for disassembly and assembly of a front nut with a hole and a round nut with a hole having a small thickness or a large diameter, and is convenient to use. ,save time and energy.

In order to solve the above technical problems, a technical solution adopted by the present utility model is to provide a new type of adjustable wrench, including a clamping portion and a handle, the clamping portion is connected to the handle, and the clamping portion includes a A movable arm and a fixed arm, the clamping port changes with the movement of the movable arm;

The movable arm and the fixed arm are respectively provided with a first positioning post perpendicular to the lower surface of the wrench, and the first positioning post is detachably connected to the wrench; one of the left and right side walls of the clamping port A blind hole perpendicular to the blind hole is provided. The cross section of the blind hole is rectangular. The size of the mouth end of the blind hole is smaller than the size of the hole body. The blind hole is provided with a second positioning post adapted to its shape. A top block is provided on the side wall of the second positioning post near the bottom of the blind hole, and the other end is provided with a blocking block preventing it from escaping from the blind hole opening end. The free end of the blocking block extends to form a positioning pin. The length is 0.4-0.8cm, the positioning pin can penetrate the mouth end of the blind hole, and one end of the second positioning post is sheathed with a first spring and connected to the bottom surface of the blind hole through the first spring; The surface of the wrench is provided with an outlet corresponding to the top block of the second positioning post.

Further, the specific structure for achieving the detachable connection between the first positioning post and the wrench is: a lower surface of the wrench is integrally formed with a screw hole perpendicular to the surface thereof, and one end of the first positioning post is provided with a The screw hole matches the thread and the other end is a smooth cylinder. One end of the first positioning post is inserted into the screw hole to achieve a detachable connection with a wrench through a thread.

Further, the cross section of the top block is square.

Further, the cross section of the mouth end of the blind hole is circular.

Further, the cross section of the positioning pin is circular.

Further, the blind hole is provided in the movable arm.

The beneficial effects of the utility model:

On the basis of the existing movable wrench, the utility model adds the disassembly and assembly function for special nuts. For the front nut with holes, because the nut has a larger diameter or a smaller thickness, the existing wrench cannot be clamped and operated. The utility model provides a first clamping member perpendicular to the surface of the wrench on the surface of the clamping part, which not only increases the maximum distance for clamping, but also has two clamping members for a front-walled nut with a small thickness. Insert into the hole of the nut for disassembly; for round nuts with holes on the side, use the positioning pin on the second positioning post on the side wall of the clamping port to insert into the round holes on the side of the nut; Therefore, the utility model eliminates the operator's process of replacing tools back and forth, which is convenient to use and saves time and effort;

More preferably, the first positioning post and the wrench are provided in a detachable structure, so that it is convenient to select a suitable first positioning post for disassembly according to the size of the front hole nut.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a first structural schematic diagram of the present invention;

2 is an enlarged view of A1 in FIG. 1;

3 is a schematic structural view in the direction A-A in FIG. 1;

FIG. 4 is a second structural diagram of the present invention;

The reference numerals of each part in the figure are as follows:

Handle 1, movable arm 2, fixed arm 3, first positioning post 4, blind hole 5, second positioning post 6, receiving groove, blocking block 62, positioning pin 63, top block 64, card edge 641, second spring 65 、第一 Spring 67 and outlet 7.

detailed description

The following examples are used to illustrate the present invention, but not to limit the scope of the present invention. Without departing from the spirit and essence of the present invention, modifications or replacements of the methods, steps or conditions of the present invention all belong to the protection scope of the present invention.

Embodiment: A new type of adjustable wrench, as shown in FIGS. 1-4, includes a clamping portion and a handle 1, the clamping portion is connected to the handle, and the clamping portion includes a movable arm 2 and a clamping opening. The fixed arm 3, the clamping port changes with the movement of the movable arm;

The movable arm and the fixed arm are respectively provided with a first positioning post 4 perpendicular to the lower surface of the wrench, and the first positioning post is detachably connected to the wrench; one of the left and right side walls of the clamping port A blind hole 5 is provided perpendicular to the blind hole. The cross section of the blind hole is rectangular. The size of the mouth end of the blind hole is smaller than the size of the hole body. The blind hole is provided with a second positioning adapted to its shape. Column 6, a side wall of the second positioning post, near the bottom of the blind hole, is provided with a receiving slot 61, and a receiving block 64 is provided in the receiving slot, and the top block is connected to the bottom wall of the receiving slot through a second spring 65 Connection, the top block is provided with a card edge 641 to prevent it from detaching from the second positioning post, and the other end of the second positioning post is provided with a blocking block 62 to prevent it from escaping from the end of the blind hole, and the free end of the blocking block extends A positioning pin 63 is formed, the positioning pin can penetrate the mouth end of the blind hole to clamp the nut with a hole on the side, and a first spring 67 is sleeved on one end of the second positioning post and passes through the first spring and the blind The bottom surface of the hole is connected; the surface of the wrench is provided with an outlet corresponding to the top block of the second positioning post 7. The top block can drill out the outlet; when the top block is drilled out of the outlet, the first spring is in a compressed state, and the second spring is in a normal state. To return it to the blind hole and the second spring is in a compressed state, the second positioning post is under the rebound force of the first spring in the compressed state, and the positioning pin at the other end of the second positioning post protrudes from the mouth end of the blind hole, Can be used to clamp the side hole nut; after the side hole nut is disassembled, push the second positioning post into the blind hole. At this time, the top block is drilled out of the outlet of the wrench to achieve positioning under the elastic force of the second spring, and the positioning pin Retracted into the blind hole, so that it does not affect the removal of ordinary nuts, and it is very convenient to use.

The specific structure for realizing the detachable connection between the first positioning post and the wrench is that the lower surface of the wrench integrally forms a screw hole (not shown in the figure) perpendicular to the surface, and one end of the first positioning post is provided with There is a thread (not shown) matching the screw hole and the other end is a smooth cylinder. One end of the first positioning post is inserted into the screw hole to achieve a detachable connection with the wrench through the thread, and the other end extends into the nut. Front round hole for disassembly.

The length of the positioning pin is 0.4-0.8 cm.

The cross section of the mouth end of the blind hole is circular.

The positioning pin has a circular cross section.

The blind hole is provided in the movable arm.

Obviously, the foregoing embodiment is merely an example for clear description, and is not a limitation on the implementation. For those skilled in the art, other different forms of changes or modifications can be made on the basis of the above description. There is no need to exhaustive here. However, the obvious changes or changes introduced thereby are still within the protection scope created by the present utility model.

Claims

A new type of movable wrench includes a clamping portion and a handle (1), the clamping portion is connected to the handle, and is characterized in that the clamping portion includes a movable arm (2) and a fixed arm (3) forming a clamping mouth ), The clamping port changes with the movement of the movable arm;

The movable arm and the fixed arm are respectively provided with first positioning posts (4) perpendicular to the lower surface of the wrench, and the first positioning posts are detachably connected to the wrench; One of them is provided with a blind hole (5) perpendicular to the blind hole, the cross-section of the blind hole is rectangular, the mouth end size of the blind hole is smaller than the size of the hole body, and the blind hole is provided with a shape adapted to its shape. A second positioning post (6), a top block (64) is provided on the side wall of the second positioning post near the bottom of the blind hole, and the other end is provided with a blocking block (62) that prevents it from escaping from the end of the blind hole. The free end of the blocking block extends to form a positioning pin (63), the length of the positioning pin is 0.4-0.8cm, the positioning pin can penetrate the mouth end of the blind hole, and the second positioning post is near the bottom of the blind hole A first spring (67) is sleeved on the outside of one end and is connected to the bottom surface of the blind hole through the first spring; the surface of the wrench is provided with an outlet (7) corresponding to the top block of the second positioning post.
The new type of adjustable wrench according to claim 1, characterized in that the specific structure for achieving the detachable connection between the first positioning post and the wrench is: the lower surface of the wrench integrally forms a screw hole perpendicular to its surface, One end of the first positioning post is provided with a thread matching the screw hole and the other end is a smooth cylinder. One end of the first positioning post is inserted into the screw hole to realize a detachable connection with a wrench through a thread.
The new type of adjustable wrench according to claim 1, wherein the cross section of the top block is square.
The new type of adjustable wrench according to claim 1, wherein the cross section of the mouth end of the blind hole is circular.
The new type of adjustable wrench according to claim 4, wherein the cross section of the positioning pin is circular.
The new type of adjustable wrench according to claim 1, wherein the blind hole is provided in the movable arm.