CN213381280U

CN213381280U - Open end wrench with adjustable length

Info

Publication number: CN213381280U
Application number: CN202022022897.1U
Authority: CN
Inventors: 胡斌
Original assignee: Shenyang Bosiyuan Machinery Manufacturing Co ltd
Current assignee: Shenyang Bosiyuan Machinery Manufacturing Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-08
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses an open end wrench with adjustable use length, which comprises a wrench component and an extension component, wherein the extension component is fixedly arranged on the right side of the wrench component; the wrench assembly comprises a wrench head, the right side of the wrench head is fixedly connected with a connecting block, the top and the bottom of the connecting block are both provided with a fixing block, one side of the fixing block, which is far away from the connecting block, is provided with a pin shaft, and one end of the pin shaft, which is close to the connecting block, sequentially penetrates through the fixing block and the connecting block and extends to the inside and the movable connection of the connecting block. The utility model discloses a mutually supporting of spanner subassembly and extension subassembly has realized one kind and has used length adjustable open end spanner for open end spanner can be applicable to different in-service use condition well, and after adjusting, the arm of force is elongated, conveniently changes the spanner head, and the staff uses also very laborsaving, has greatly alleviateed staff's work burden, and the practicality is high, is fit for using widely.

Description

Open end wrench with adjustable length

Technical Field

The utility model relates to a spanner technical field specifically is an use length-adjustable formula open-ended spanner.

Background

The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other screw threads to tightly hold open or trepanning fasteners of the bolts or nuts by utilizing the lever principle. The spanner is usually made with carbon element or alloy material's structural steel, and current open-ended spanner does not possess the function that can adjust use length, can not be applicable to different operational environment well, and the arm of force becomes long, and the staff uses and also can be laborsaving a bit, but current open-ended spanner does not possess the function of adjusting length, and the practicality is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an use length adjustable formula open-ended spanner to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an open-ended wrench with an adjustable length comprises a wrench assembly and an extension assembly, wherein the extension assembly is fixedly arranged on the right side of the wrench assembly;

the wrench assembly comprises a wrench head, a connecting block is fixedly connected to the right side of the wrench head, fixed blocks are arranged on the top and the bottom of the connecting block, a pin shaft is arranged on one side, away from the connecting block, of each fixed block, one end, close to the connecting block, of each pin shaft sequentially penetrates through the fixed blocks and the connecting block and extends into the connecting block to be movably connected with the connecting block, and a disassembling spring is sleeved on the surface of each pin shaft;

the extension component comprises a holding shell, the inner wall of the holding shell is connected with a sliding block in a sliding way, the left side of the sliding block is fixedly connected with an extension plate, the left side of the extension plate penetrates through the holding shell and extends to the outside of the holding shell, one side of the fixing block close to the holding shell is fixedly connected with the holding shell, the right side of the connecting block is movably inserted at the left side of the extending plate, the top of the holding shell is provided with a sliding groove, the left side and the right side of the inner wall of the sliding chute are fixedly connected through a sliding rail, the surface of the sliding rail is connected with a movable plate in a sliding way, the top of the left side of the moving plate is fixedly connected with an inserted link, the surface of the slide rail and the position on the right side of the moving plate are sleeved with a limiting spring, the holding shell comprises a holding shell body, a limiting plate, an extension plate and a limiting pin, wherein the top of the holding shell body is provided with the limiting plate, the top of the extension plate is provided with the limiting port, the two limiting plates are movably connected through the limiting pin, and the left end of the inserted rod penetrates through the limiting pin and extends to the inside of the inserted rod and is movably connected with the inserted rod.

Preferably, the end of the dismounting spring close to the fixed block is fixedly connected with the fixed block, and the end of the dismounting spring far away from the fixed block is fixedly connected with the pin shaft.

Preferably, the elongated plate is movably connected with the holding shell.

Preferably, the bottom of the moving plate is in contact with the bottom of the inner wall of the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a mutually supporting of spanner subassembly and extension subassembly has realized one kind and has used length adjustable open end spanner for open end spanner can be applicable to different in-service use condition well, and after adjusting, the arm of force is elongated, conveniently changes the spanner head, and the staff uses also very laborsaving, has greatly alleviateed staff's work burden, and the practicality is high, is fit for using widely.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 according to the present invention;

fig. 3 is a partial enlarged view of B-B in fig. 1 according to the present invention.

In the figure: the wrench comprises a wrench component 1, a wrench head 101, a connecting block 102, a fixing block 103, a pin shaft 104, a dismounting spring 105, an extension component 2, a gripping shell 201, a sliding block 202, an extension plate 203, a sliding groove 204, a sliding rail 205, a moving plate 206, an inserted link 207, a limiting spring 208, a limiting plate 209, a limiting opening 210 and a limiting pin 211.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-3, an open-ended wrench with adjustable length comprises a wrench assembly 1 and an extension assembly 2, wherein the extension assembly 2 is fixedly installed at the right side of the wrench assembly 1.

Spanner subassembly 1 includes spanner head 101, spanner head 101's right side fixedly connected with connecting block 102, the top and the bottom of connecting block 102 all are provided with fixed block 103, one side that connecting block 102 was kept away from to fixed block 103 is provided with round pin axle 104, round pin axle 104 runs through fixed block 103 and connecting block 102 in proper order and extends to the inside and rather than swing joint of connecting block 102 near the one end of connecting block 102, the surface of round pin axle 104 has cup jointed dismantlement spring 105, dismantle the one end and its fixed connection that spring 105 is close to fixed block 103, dismantle the one end and round pin axle 104 fixed connection that fixed block 103 was kept away from to spring 105.

The extension component 2 comprises a holding shell 201, a sliding block 202 is connected to the inner wall of the holding shell 201 in a sliding manner, an extension plate 203 is fixedly connected to the left side of the sliding block 202, the left side of the extension plate 203 penetrates through the holding shell 201 and extends to the outside of the holding shell, the extension plate 203 is movably connected with the holding shell 201, one side, close to the holding shell 201, of a fixed block 103 is fixedly connected with the fixed block, the right side of a connecting block 102 is movably inserted into the left side of the extension plate 203, a sliding groove 204 is formed in the top of the holding shell 201, the left side and the right side of the inner wall of the sliding groove 204 are fixedly connected through a sliding rail 205, a moving plate 206 is connected to the surface of the sliding rail 205 in a sliding manner, the bottom of the moving plate 206 is in contact with the bottom of the inner wall of the sliding groove 204, when no foreign object is limited, the moving plate 206 can move left and right, spacing mouthful 210 has been seted up at the top of extension board 203, through spacer pin 211 swing joint between two limiting plates 209, the left end of inserted bar 207 runs through spacer pin 211 and extends to its inside rather than swing joint, mutually support through wrench assembly 1 and extension subassembly 2, realized a use length adjustable open end spanner, make open end spanner can be applicable to different in-service use condition well, after adjusting, the arm of force becomes long, conveniently change wrench end 101, the staff uses also very laborsaving, staff's work burden has greatly been alleviateed, therefore, the clothes hanger is high in practicability, and is suitable for being generalized to use.

When the wrench is used, the pin shaft 104 is pulled in a direction away from the connecting block 102, the pin shaft 104 is separated from the connecting block 102, the wrench head 101 is pulled leftwards, the wrench head 101 can drive the connecting block 102 to be separated from the extending plate 203, the wrench head 101 can be disassembled, the wrench head 101 is convenient to replace, when the length of the wrench needs to be adjusted, a worker pulls the moving plate 206 rightwards, the moving plate 206 drives the inserted bar 207 to be separated from the limiting pin 211, the limiting pin 211 can be pulled upwards to take down the limiting pin 211, the extending plate 203 is pulled leftwards, the new limiting opening 210 is aligned to the limiting pin 211, the limiting pin 211 is reinserted on the two limiting plates 209, at the moment, the limiting pin 211 penetrates through the new limiting opening 210, the moving plate 206 is loosened, the limiting spring 208 drives the moving plate 206 to move leftwards, and the inserted bar 207 is inserted into the limiting pin.

In summary, the following steps: this use length-adjustable's open-ended spanner through mutually supporting of spanner subassembly 1 and extension subassembly 2, has solved the problem of proposing in the background art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An open-ended wrench with an adjustable length, comprising a wrench assembly (1) and an extension assembly (2), characterized in that: the extension component (2) is fixedly arranged on the right side of the wrench component (1);

the wrench assembly (1) comprises a wrench head (101), a connecting block (102) is fixedly connected to the right side of the wrench head (101), fixing blocks (103) are arranged on the top and the bottom of the connecting block (102), a pin shaft (104) is arranged on one side, away from the connecting block (102), of each fixing block (103), one end, close to the connecting block (102), of each pin shaft (104) penetrates through the fixing blocks (103) and the connecting block (102) in sequence and extends to the inside of the connecting block (102) to be movably connected with the connecting block, and a dismounting spring (105) is sleeved on the surface of each pin shaft (104);

the extension assembly (2) comprises a holding shell (201), a sliding block (202) is connected to the inner wall of the holding shell (201) in a sliding mode, an extension plate (203) is fixedly connected to the left side of the sliding block (202), the left side of the extension plate (203) penetrates through the holding shell (201) and extends to the outside of the holding shell, one side, close to the holding shell (201), of a fixed block (103) is fixedly connected with the fixing shell, the right side of a connecting block (102) is movably inserted into the left side of the extension plate (203), a sliding groove (204) is formed in the top of the holding shell (201), the left side and the right side of the inner wall of the sliding groove (204) are fixedly connected through a sliding rail (205), a moving plate (206) is connected to the surface of the sliding rail (205) in a sliding mode, a moving plate inserting rod (207) is fixedly connected to the top of the left side of the moving plate, hold the equal fixedly connected with limiting plate (209) in left top and bottom of shell (201), spacing mouth (210) have been seted up at the top of extension board (203), through spacer pin (211) swing joint between two limiting plates (209), the left end of inserted bar (207) runs through spacer pin (211) and extends to its inside rather than swing joint.

2. The open spanner of claim 1, wherein: the dismounting spring (105) is close to one end of the fixing block (103) and is fixedly connected with the fixing block, and one end, far away from the fixing block (103), of the dismounting spring (105) is fixedly connected with the pin shaft (104).

3. The open spanner of claim 1, wherein: the extension plate (203) is movably connected with the holding shell (201).

4. The open spanner of claim 1, wherein: the bottom of the moving plate (206) is contacted with the bottom of the inner wall of the sliding groove (204).