Equipment valve wrench convenient to open and close

By designing a telescopic assembly of the handle and sleeve with adjustable length and a caliper adjustment assembly, the problems of the existing F wrench being inconvenient to operate in a limited space and adapting to valves of different sizes are solved, thereby improving operating efficiency and reducing replacement costs.

CN223339320UActive Publication Date: 2025-09-16BAOJI ZHENGYUAN CHEM TECH CO LTD
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Patent Information

Application Number
CN202422629554.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-09-16
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

The grip length of the existing F wrench cannot be adjusted, which makes it inconvenient to exert force when working in a confined space. It also requires an additional sleeve. The lever arm is short, which makes it inefficient when operating stuck valves. Different sizes of valves require different sizes of wrenches, which increases costs.

Method used

A valve wrench for switching equipment is designed, which includes a telescopic component and a positioning component. By adjusting the length of the handle and the sleeve, it can adapt to valves of different sizes, and by adjusting the caliper distance through the caliper adjustment component, it can adapt to valves of different sizes.

Benefits of technology

It makes it easier to operate with force in a limited space, reduces the frequency of replacing wrenches, improves work efficiency, reduces costs, and adapts to the needs of valves of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of valve wrenches, and discloses an equipment valve wrench convenient to open and close, which comprises a wrench main rod, a telescopic assembly and a positioning assembly are arranged at one end of the wrench main rod, and the telescopic assembly comprises a grip, a sleeve, a belt pulley, a rotating belt, a fixing rod, a connecting rod and a fixing block. The grip is arranged at one end of the wrench main rod, and a sleeve is arranged in the grip. According to the equipment valve wrench convenient to open and close, by arranging the telescopic assembly and the positioning assembly, the length of a holding part of the wrench can be adjusted according to needs, a worker can apply force conveniently, when adjustment is needed, one end of a rotating rod is pressed, an inserting rod is separated from the interior of a positioning groove, positioning of a wrench main rod is relieved, and then the wrench main rod is pulled outwards; the connecting rod, the fixing block, the rotating belt, the belt pulley, the fixing rod and the grip are matched, so that the grip and the sleeve move and extend in the grip at the same time, and the length of the wrench main rod is adjusted.
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Description

Technical Field

[0001] The utility model relates to the technical field of valve wrenches, in particular to an equipment valve wrench which is convenient for opening and closing. Background Art

[0002] The F wrench is named because its shape resembles the English letter "F". The F wrench is often used for switching operations on handwheels that require a large rotational torque. For example, an F wrench can be clamped on the handwheel of a valve on a pipeline or a hole in a container to open or close it.

[0003] According to the application number 202322990800.X, a multi-purpose F wrench is disclosed, including a wrench main rod, the wrench main rod is a hollow structure, a first wrench plate and a second wrench plate are provided on one side of the upper part of the wrench main rod, the first wrench plate is provided above the second wrench plate, a fixing claw is provided on the other side of the upper part of the wrench main rod, a threaded structure is provided on the inner wall of the lower part of the wrench main rod, the threaded structure is engaged with a screwdriver, and the wrench main rod, the fixing claw, the first wrench plate and the second wrench plate are coated with an explosion-proof layer. The first wrench plate and the second wrench plate are cylindrical or rectangular. The fixing claw is a hexagonal structure, a through hole is provided at the center of the fixing claw, and a notch is provided on the outside of the fixing claw, the notch is connected to the through hole, and the length of the notch is less than the diameter of the through hole.

[0004] The following problems still exist in actual use:

[0005] The grip length of existing F wrenches cannot be adjusted, which makes it inconvenient to exert force when working in confined spaces. When operating stuck valves, additional sleeves are required due to the short lever arm. In addition, the two calipers of the wrench are fixed in position. Different sizes of F wrenches need to be purchased for valves of different sizes, and the wrench needs to be replaced repeatedly during use, which increases cost budget and reduces work efficiency. Utility Model Content

[0006] In response to the shortcomings of the existing technology, the utility model provides an equipment valve wrench that is easy to open and close. It has the advantage of being able to adjust the length of the grip part of the wrench according to needs, making it convenient for people to exert force. At the same time, it can adjust the distance between the two calipers to adapt to valves of different sizes, solving the problems raised in the background technology.

[0007] The utility model provides the following technical solutions: a device valve wrench that is convenient for opening and closing, comprising a wrench main rod, one end of which is provided with a telescopic component and a positioning component;

[0008] The telescopic assembly includes a handle, a sleeve, a pulley, a rotating belt, a fixed rod, a connecting rod, and a fixed block. The handle is arranged at one end of the wrench main rod, a sleeve is arranged inside the handle, pulleys are arranged on both sides of the handle, a rotating belt is arranged between the two pulleys, fixed rods are arranged on both sides of the pulleys, a connecting rod is arranged at one end of the wrench main rod, and a fixed block is arranged at one end of the connecting rod.

[0009] Preferably, one end of the wrench main rod is fixedly connected to the first caliper, and a caliper adjustment assembly is provided on one side of the wrench main rod. The caliper adjustment assembly includes a slide groove, a second caliper, a stud, and a fastening nut. A slide groove is provided inside the wrench main rod, and the second caliper is slidably connected inside the slide groove. One end of the second caliper is fixedly connected to the stud, and the surface of the stud is threadedly connected to the fastening nut, and one side of the fastening nut is in contact with the wrench main rod.

[0010] Preferably, the sleeve is slidably connected to the inside of the handle, the pulley is slidably connected to the inner wall of the handle, the rotating belt is sleeved between the two pulleys, the fixed rod is rotatably connected to one side of the pulley, and one end of the fixed rod is fixedly connected to the sleeve, the connecting rod is fixedly connected to one end of the wrench main rod, the fixed block is fixedly connected to one end of the connecting rod, and the fixed block is fixedly connected to the surface of the rotating belt.

[0011] Preferably, the positioning assembly includes a mounting seat, a rotating rod, an insertion rod, and a positioning slot. The top of the sleeve is fixedly connected to the mounting seat, the interior of the mounting seat is rotatably connected to the rotating rod, one end of the rotating rod is fixedly connected to the insertion rod, and a plurality of positioning slots are provided on one side of the wrench main rod.

[0012] Preferably, the two pulleys are rotationally connected via a rotating belt.

[0013] Preferably, the bottom end of the insertion rod is located inside one of the positioning grooves, and the bottom end of the positioning groove matches the size of the insertion rod.

[0014] Preferably, the sleeve is sleeved on one end of the wrench main rod, and the sleeve and the wrench main rod are slidably connected.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The valve wrench for the device that is easy to open and close is equipped with a telescopic component and a positioning component. The length of the grip part of the wrench can be adjusted according to needs, which is convenient for people to exert force. When adjustment is needed, by pressing one end of the rotating rod, the insertion rod is disengaged from the inside of the positioning groove, releasing the positioning of the wrench main rod, and then the wrench main rod is pulled outward, and the connecting rod, fixed block, rotating belt, pulley, fixed rod, and handle are coordinated to make the handle and sleeve move and extend inside the handle at the same time, thereby adjusting the length of the wrench main rod. After the adjustment is complete, the insertion rod is inserted into the positioning groove to lock the length. The operation is simple and easy to understand.

[0017] 2. This device valve wrench, which is easy to open and close, is equipped with a caliper adjustment component to adjust the distance between the two calipers to adapt to valves of different sizes. By loosening the fastening nut, the restriction on the second caliper can be released. Then, the second caliper can be moved horizontally to slide in the slide groove to adjust the distance between the calipers. After the adjustment is complete, the position of the caliper can be fixed by tightening the fastening nut, which is convenient for personnel to operate and understand. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a device valve wrench that is convenient for opening and closing provided by the utility model;

[0019] Figure 2 A schematic diagram of the internal structure of a handle of a device valve wrench that is convenient for opening and closing provided by the utility model;

[0020] Figure 3 A schematic diagram of the internal structure of the handle and sleeve of a valve wrench for an equipment that is convenient for opening and closing provided by the utility model;

[0021] Figure 4 This is a schematic diagram of the internal cross-sectional structure of the handle and sleeve of a device valve wrench that is convenient for opening and closing provided by the utility model;

[0022] Figure 5 The utility model provides a device valve wrench that is easy to open and close Figure 1 Enlarged structural diagram at point A in the middle.

[0023] In the figure: 1. Wrench main rod; 2. Telescopic assembly; 201. Handle; 202. Sleeve; 203. Pulley; 204. Rotating belt; 205. Fixed rod; 206. Connecting rod; 207. Fixed block; 3. Positioning assembly; 301. Mounting seat; 302. Rotating rod; 303. Insert rod; 304. Positioning slot; 4. First caliper; 5. Caliper adjustment assembly; 501. Slide slot; 502. Second caliper; 503. Stud; 504. Fastening nut. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1 to 4 A valve wrench for convenient opening and closing includes a wrench main rod 1, a telescopic assembly 2 is provided at one end of the wrench main rod 1, the telescopic assembly 2 includes a handle 201, a sleeve 202, a pulley 203, a rotating belt 204, a fixed rod 205, a connecting rod 206, and a fixed block 207. The handle 201 is provided at one end of the wrench main rod 1, a sleeve 202 is provided inside the handle 201, pulleys 203 are provided on both sides of the handle 201, a rotating belt 204 is provided between the two pulleys 203, fixed rods 205 are provided on both sides of the pulley 203, a connecting rod 206 is provided at one end of the wrench main rod 1, and a fixed block 207 is provided at one end of the connecting rod 206;

[0026] By providing the telescopic component 2, the length of the grip portion of the wrench can be adjusted as needed, making it easier for people to exert force.

[0027] See also Figures 1 to 4 The sleeve 202 is slidably connected to the inside of the handle 201, the pulley 203 is slidably connected to the inner wall of the handle 201, the rotating belt 204 is sleeved between the two pulleys 203, the fixed rod 205 is rotatably connected to one side of the pulley 203, and one end of the fixed rod 205 is fixedly connected to the sleeve 202, the connecting rod 206 is fixedly connected to one end of the wrench main rod 1, the fixed block 207 is fixedly connected to one end of the connecting rod 206, and the fixed block 207 is fixedly connected to the surface of the rotating belt 204, the two pulleys 203 are rotatably connected through the rotating belt 204, the sleeve 202 is sleeved on one end of the wrench main rod 1, and the sleeve 202 is slidably connected to the wrench main rod 1;

[0028] By pulling the wrench main rod 1 outward, cooperating with the connecting rod 206, the fixed block 207, the rotating belt 204, the pulley 203, the fixed rod 205, and the handle 201, the handle 201 and the sleeve 202 move and extend inside the handle 201 at the same time, thereby adjusting the length of the wrench main rod 1.

[0029] See also Figures 1 to 4, a positioning assembly 3 is provided at one end of the wrench main rod 1, and the positioning assembly 3 includes a mounting seat 301, a rotating rod 302, an insertion rod 303, and a positioning groove 304. The top of the sleeve 202 is fixedly connected to the mounting seat 301, and the rotating rod 302 is rotatably connected inside the mounting seat 301. One end of the rotating rod 302 is fixedly connected to the insertion rod 303. A plurality of positioning grooves 304 are opened on one side of the wrench main rod 1. The bottom end of the insertion rod 303 is located inside one of the positioning grooves 304, and the bottom end of the positioning groove 304 matches the size of the insertion rod 303;

[0030] The positions of the sleeve 202 and the wrench main rod 1 can be fixed by the positioning component 3. By providing a plurality of positioning slots 304, the length of the wrench can be adjusted to multiple levels, thereby improving practicality.

[0031] See also Figure 1 and Figure 5 One end of the wrench main rod 1 is fixedly connected to the first caliper 4, and a caliper adjustment assembly 5 is provided on one side of the wrench main rod 1. The caliper adjustment assembly 5 includes a slide groove 501, a second caliper 502, a stud 503, and a fastening nut 504. A slide groove 501 is opened inside the wrench main rod 1, and the second caliper 502 is slidably connected inside the slide groove 501. One end of the second caliper 502 is fixedly connected to the stud 503, and the surface of the stud 503 is threadedly connected to the fastening nut 504, and one side of the fastening nut 504 is in contact with the wrench main rod 1;

[0032] By providing the caliper adjustment assembly 5, the distance between the two calipers can be adjusted to accommodate valves of different sizes. By loosening the fastening nut 504, the horizontal position of the second caliper 502 can be adjusted, thereby adjusting the distance between the two calipers.

[0033] In the present invention, the working principle of the device is as follows:

[0034] When the lever 201 is in the upright position, the lever 203 is engaged with the engagement member 306, and the engagement member 307 is engaged with the engagement member 308. When the lever 201 is in the upright position, the lever 203 is engaged with the engagement member 308, and the engagement member 308 is engaged with the engagement member 309.

[0035] When it is necessary to adjust the distance between the first caliper 4 and the second caliper 502, loosen the fastening nut 504 to increase the distance between one side of the caliper and the outer wall of the wrench main rod 1, thereby releasing the restriction on the second caliper 502. Then, the second caliper 502 can be moved horizontally to slide in the slide groove 501 to adjust the distance between the first caliper 4 and the second caliper 502. After the adjustment is complete, tighten the fastening nut 504 to make one side of the caliper fit against the outer wall of the wrench main rod 1, fixing the position of the second caliper 502 to facilitate operation and understanding.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device valve wrench for convenient opening and closing, comprising a wrench main rod (1), characterized in that: One end of the wrench main rod (1) is provided with a telescopic component (2) and a positioning component (3); The telescopic assembly (2) comprises a handle (201), a sleeve (202), a pulley (203), a rotating belt (204), a fixed rod (205), a connecting rod (206), and a fixed block (207); the handle (201) is arranged at one end of the wrench main rod (1); the sleeve (202) is arranged inside the handle (201); pulleys (203) are arranged on both sides of the handle (201); a rotating belt (204) is arranged between the two pulleys (203); fixed rods (205) are arranged on both sides of the pulleys (203); a connecting rod (206) is arranged at one end of the wrench main rod (1); and a fixed block (207) is arranged at one end of the connecting rod (206).

2. The device valve wrench for easy opening and closing according to claim 1, characterized in that: One end of the wrench main rod (1) is fixedly connected to a first caliper (4); a caliper adjustment assembly (5) is provided on one side of the wrench main rod (1); the caliper adjustment assembly (5) comprises a slide groove (501), a second caliper (502), a stud (503), and a fastening nut (504); a slide groove (501) is provided inside the wrench main rod (1); the second caliper (502) is slidably connected inside the slide groove (501); one end of the second caliper (502) is fixedly connected to a stud (503); a fastening nut (504) is threadedly connected to a surface of the stud (503), and one side of the fastening nut (504) is in contact with the wrench main rod (1).

3. The device valve wrench for easy opening and closing according to claim 1, characterized in that: The sleeve (202) is slidably connected to the inside of the handle (201), the pulley (203) is slidably connected to the inner wall of the handle (201), the rotating belt (204) is sleeved between the two pulleys (203), the fixed rod (205) is rotatably connected to one side of the pulley (203), and one end of the fixed rod (205) is fixedly connected to the sleeve (202), the connecting rod (206) is fixedly connected to one end of the wrench main rod (1), the fixed block (207) is fixedly connected to one end of the connecting rod (206), and the fixed block (207) is fixedly connected to the surface of the rotating belt (204).

4. The device valve wrench for easy opening and closing according to claim 1, characterized in that: The positioning assembly (3) comprises a mounting seat (301), a rotating rod (302), an inserting rod (303), and a positioning groove (304); the top of the sleeve (202) is fixedly connected to the mounting seat (301); the interior of the mounting seat (301) is rotatably connected to the rotating rod (302); one end of the rotating rod (302) is fixedly connected to the inserting rod (303); and a plurality of positioning grooves (304) are provided on one side of the wrench main rod (1).

5. The device valve wrench for easy opening and closing according to claim 1, characterized in that: The two pulleys (203) are rotationally connected via a rotating belt (204).

6. The device valve wrench for easy opening and closing according to claim 4, characterized in that: The bottom end of the insertion rod (303) is located inside one of the positioning grooves (304), and the bottom end of the positioning groove (304) matches the size of the insertion rod (303).

7. The device valve wrench for easy opening and closing according to claim 1, characterized in that: The sleeve (202) is sleeved on one end of the wrench main rod (1), and the sleeve (202) and the wrench main rod (1) are slidably connected.

Citation Information

Patent Citations

  • Multipurpose F-shaped wrench

    CN221291071U