CN219542995U

CN219542995U - Socket wrench capable of preventing nut from falling off

Info

Publication number: CN219542995U
Application number: CN202320640069.5U
Authority: CN
Inventors: 许小明
Original assignee: Lianyungang Qi Machinery And Electrical Equipment Co ltd
Current assignee: Lianyungang Qi Machinery And Electrical Equipment Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-18
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to a socket wrench for preventing nuts from falling, which aims to solve the technical problems that the existing traditional anti-falling elastic piece only clamps and fixes two sides of the nut, the nuts are clamped on two sides of the nut and cannot be stably limited and fixed, the nuts are at risk of falling, and when the nuts with different sizes are screwed and dismantled, different wrench heads are required to be replaced, and the socket wrench is quite inconvenient to use and comprises a connecting rod; the spanner head is connected to the top of the connecting rod by adopting a screw; the anti-falling mechanism is telescopically arranged in a plurality of surfaces of the spanner head, and after the spanner head takes down the nut, the plurality of oval clamping pieces can respectively clamp and limit the plurality of surfaces of the nut through the elasticity of the spring, so that the condition that the nut is easy to fall off after being taken down is avoided.

Description

Socket wrench capable of preventing nut from falling off

Technical Field

The utility model relates to the field of socket wrenches, in particular to a socket wrench capable of preventing nuts from falling off.

Background

When the nut is disassembled by the common socket spanner, the nut is easy to fall off from the socket spanner under the action of weight and inertia. If the nut is operated in a narrow space environment, workers can hardly take out the dropped nut, so that the working efficiency is affected; or when working at high place, if the nut falls, the working efficiency is affected, and the high-altitude falling object can hurt people.

According to the disclosure patent 202221942760.0, a socket wrench head of a drop-proof nut comprises a socket, wherein a connector is arranged at the bottom of the socket, at least two elastic drop-proof elastic pieces are arranged at the outer side of the socket, each drop-proof elastic piece comprises a strip-shaped piece, a connecting piece and a blocking head, the bottom of the strip-shaped piece is fixedly connected with the bottom of the socket through the connecting piece, the top of the strip-shaped piece is fixedly connected with the blocking head, the blocking head is positioned above the socket, and the distance between the inner side end part of the blocking head and the inner wall of the socket is 1-3mm; in the process of realizing the utility model, the inventor finds that at least the following problems are not solved in the prior art, and though the problem that the nuts are broken by falling off from the socket spanner is avoided by arranging the falling-preventing elastic pieces, in the use process, the traditional falling-preventing elastic pieces only clamp and fix the two sides of the nuts, because the nuts are provided with a plurality of surfaces, the two sides of the nuts are only clamped, the nuts cannot be stably limited and fixed, the nuts also have the falling risk, and when the nuts with different sizes are screwed and removed by the existing socket spanner, different spanner heads are required to be replaced, so that the socket spanner is quite inconvenient. For this reason, new solutions need to be designed to solve.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a socket wrench for preventing nuts from falling off, so as to solve the technical problems that the existing socket wrench needs to replace different wrench heads when nuts with different sizes are screwed and removed, and is inconvenient because the nuts are clamped and fixed on two sides of the nuts and cannot be stably limited and fixed due to a plurality of surfaces.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the socket wrench for preventing the nut from falling off comprises a connecting rod and also comprises a connecting rod;

the spanner head is connected to the top of the connecting rod by adopting a screw;

the anti-drop mechanism is arranged in a plurality of surfaces of the spanner head in a telescopic manner, and can directly clamp and fix the plurality of surfaces of the nut through the anti-drop mechanism after the nut is taken down by adopting the socket spanner;

one end fixedly connected with limiting plate that the movable rod is located fixed section of thick bamboo, the one end fixedly connected with spring of movable rod is kept away from to the limiting plate, the one end fixedly connected with fixed section of thick bamboo of limiting plate is kept away from to the spring.

Preferably, a plurality of round holes are formed in the outer wall of the wrench head, and the round holes are communicated with the round grooves.

Preferably, the round hole is internally penetrated with a first fixing bolt, one end of the first fixing bolt extending out of the round hole is penetrated with a round groove, one end of the first fixing bolt positioned in the round groove penetrates through the fixing cylinder, and the first fixing bolt is in threaded connection with a screw hole in the fixing cylinder.

Preferably, the bottom of the connecting rod extends into the clamping cylinder, a plurality of connecting holes are formed in the front side of the clamping cylinder, and second fixing bolts penetrate through the connecting holes.

Preferably, a plurality of threaded holes are formed in the front side of the connecting rod, and the plurality of threaded holes are correspondingly arranged with the plurality of connecting holes.

Preferably, one end of the second fixing bolt extending into the clamping cylinder is in threaded connection with the threaded hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the combination of the spanner head, the movable rod and the oval clamping piece, when the nut is clamped into the spanner head, the oval clamping piece can be extruded through the nut, the oval clamping piece can enter the round groove through the spring, after the nut is taken down by the spanner head, the plurality of oval clamping pieces can respectively clamp and limit the plurality of surfaces of the nut through the elasticity of the spring, so that the condition that the nut is easy to fall off after being taken down is avoided, the problem that the traditional anti-falling elastic piece is solved, only the two sides of the nut are clamped and fixed, and because the nut is provided with the plurality of surfaces, only the two sides of the nut are clamped, the nut cannot be stably limited and fixed, and the nut also has the risk of falling is solved.

2. According to the utility model, the spanner head is combined with the first fixing bolt hole, the first fixing bolt can penetrate through the round hole and is in threaded connection with the screw hole in the fixing cylinder, so that the first fixing bolt is screwed into the fixing cylinder, the first fixing bolt can prop against the limiting disc, the extending distance of the elliptical clamping piece is adjusted, nuts with different sizes can be actively clamped through adjusting the distance of the elliptical clamping piece, after the nuts are clamped, the nuts with different sizes can be screwed, and therefore, the problem that when the nuts with different sizes are screwed and removed by the existing socket spanner, the nuts with different sizes are required to be replaced, and the problem of inconvenience is solved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the wrench head according to the present utility model;

fig. 3 is a schematic view of the structure of the threaded hole of the present utility model.

In the figure: 1. a connecting rod; 101. a clamping cylinder; 102. a connection hole; 103. a second fixing bolt; 104. a threaded hole; 2. a spanner head; 201. a circular groove; 202. a fixed cylinder; 203. a moving rod; 204. an elliptical clamping member; 205. a limiting plate; 206. a spring; 3. a first fixing bolt; 301. and a round hole.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

example 1: a socket wrench for preventing a nut from falling off, referring to fig. 1 to 3, comprises a connecting rod 1 and further comprises; the spanner head 2 is connected to the top of the connecting rod 1 by adopting a screw; the anti-drop mechanism is arranged in a plurality of surfaces of the spanner head 2 in a telescopic manner, and can directly clamp and fix the plurality of surfaces of the nut through the anti-drop mechanism after the nut is taken down by adopting the socket spanner, the anti-drop mechanism comprises a plurality of circular grooves 201, the plurality of circular grooves 201 are respectively arranged on the plurality of surfaces of the inner wall of the nut, a fixed cylinder 202 is fixedly connected in each circular groove 201, a movable rod 203 penetrates through the inside of the fixed cylinder 202, and one end of the movable rod 203 extending out of the circular groove 201 is fixedly connected with an elliptical clamping piece 204; one end fixedly connected with limiting plate 205 that movable rod 203 is located in fixed barrel 202, the one end fixedly connected with spring 206 that the limiting plate 205 kept away from movable rod 203, the one end fixedly connected with fixed barrel 202 that the limiting plate 205 was kept away from to spring 206, first embolia the nut into spanner head 2 in, when the nut embolias spanner head 2 in, owing to be provided with a plurality of oval holders 204 in, oval holder 204 can support a plurality of nuts, after the nut embolias thoroughly in spanner head 2, oval holder 204 can be moved towards circular slot 201 through spring 206, rotate the dismouting to the nut through spanner head 2, after tearing down the nut, a plurality of oval holders 204 can carry out the centre gripping spacing to a plurality of faces of nut, avoided the nut to drop, just to hold the fixed to the nut both sides, because the nut has a plurality of faces, just to hold the nut both sides, and can not stably carry out spacing fixed to the nut, the nut still has the risk of dropping problem.

Specifically, referring to fig. 2, a plurality of round holes 301 are formed in the outer wall of the wrench head 2, and the plurality of round holes 301 are communicated with the round groove 201.

Further, referring to fig. 2, a first fixing bolt 3 is penetrated through the inside of the round hole 301, one end of the first fixing bolt 3 extending out of the round hole 301 penetrates through the round groove 201, one end of the first fixing bolt 3 located in the round groove 201 penetrates through the fixing barrel 202, the first fixing bolt 3 is in threaded connection with a screw hole in the fixing barrel 202, the first fixing bolt 3 penetrates through the round hole 301 and is in threaded connection with the screw hole in the fixing barrel 202 through the first fixing bolt 3, when the first fixing bolt 3 is rotated, the first fixing bolt 3 can be continuously screwed into the fixing barrel 202, the first fixing bolt 3 penetrates through the spring 206 to abut against the limiting plate 205, the limiting plate 205 drives the moving rod 203 and the oval clamping piece 204, so that the distance of the oval clamping piece 204 is adjusted, after nuts of different sizes are sleeved into the wrench head 2, the nuts of different sizes are continuously adjusted, the nuts can be screwed through the rotating wrench head 2, and accordingly screwing of the nuts of different sizes is achieved.

It should be noted that, referring to fig. 3, the bottom of the connecting rod 1 extends into the card barrel 101, the front side of the card barrel 101 is provided with a plurality of connecting holes 102, and the inside of the bottom connecting hole 102 is penetrated by a second fixing bolt 103.

It should be noted that, referring to fig. 3, the front side of the connecting rod 1 is provided with a plurality of threaded holes 104, and the plurality of threaded holes 104 are disposed corresponding to the plurality of connecting holes 102.

It is worth introducing that, referring to fig. 3, one end of the second fixing bolt 103 extending into the clamping cylinder 101 is in threaded connection with the threaded hole 104, and the second fixing bolt 103 passes through different connecting holes 102 and is in threaded connection with the threaded hole 104 in the connecting rod 1, so that the distance of the connecting rod 1 can be adjusted, the using distance of the wrench head 2 is increased, and the adjustability of the socket wrench is improved.

In addition, the components designed by the utility model are all universal standard components or components known by the person skilled in the art, the structures and principles of the components are all known by the person skilled in the art through technical manuals or known by routine experimental methods, and the utility model can be completely realized by the person skilled in the art.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims

1. A socket wrench for preventing nuts from falling off, which comprises a connecting rod (1) and is characterized by further comprising;

the spanner head (2) is connected to the top of the connecting rod (1) by adopting a screw;

the anti-drop mechanism is arranged in a plurality of surfaces of the spanner head (2) in a telescopic manner, after a nut is taken down by adopting a socket spanner, the plurality of surfaces of the nut are directly clamped and fixed through the anti-drop mechanism, the anti-drop mechanism comprises a plurality of round grooves (201), the plurality of round grooves (201) are respectively formed in the plurality of surfaces of the inner wall of the nut, each round groove (201) is internally fixedly connected with a fixed cylinder (202), a movable rod (203) penetrates through the fixed cylinder (202), and one end of the movable rod (203) extending out of the round groove (201) is fixedly connected with an oval clamping piece (204);

one end that movable rod (203) is located fixed barrel (202) fixedly connected with limiting plate (205), one end that movable rod (203) was kept away from to limiting plate (205) is fixedly connected with spring (206), one end that limiting plate (205) was kept away from to spring (206) is fixedly connected with fixed barrel (202).

2. A socket wrench for preventing nut from falling off according to claim 1, wherein a plurality of round holes (301) are formed in the outer wall of the wrench head (2), and the round holes (301) are communicated with the round grooves (201).

3. A socket wrench for preventing nut from falling off according to claim 2, wherein the first fixing bolt (3) is penetrated through the inside of the round hole (301), one end of the first fixing bolt (3) extending out of the round hole (301) is penetrated through the round groove (201), one end of the first fixing bolt (3) located in the round groove (201) penetrates through the fixing cylinder (202), and the first fixing bolt (3) is in threaded connection with a screw hole in the fixing cylinder (202).

4. The socket wrench for preventing the nut from falling off according to claim 1, wherein the bottom of the connecting rod (1) extends into the clamping cylinder (101), a plurality of connecting holes (102) are formed in the front side of the clamping cylinder (101), and a second fixing bolt (103) penetrates through the connecting holes (102) at the bottom.

5. The socket wrench for preventing nut falling off according to claim 4, wherein a plurality of threaded holes (104) are formed in the front side of the connecting rod (1), and the plurality of threaded holes (104) are provided corresponding to the plurality of connecting holes (102).

6. A socket wrench for preventing nut drop according to claim 5, wherein the end of the second fixing bolt (103) extending into the chuck cylinder (101) is threadedly connected with the threaded hole (104).