Valve bolt dismounting wrench capable of being adjusted in square and circular mode

By designing a valve bolt removal wrench that can be adjusted to square or round, the problem of poor compatibility of existing wrenches is solved, enabling efficient removal of bolts of different shapes and sizes, and improving the convenience and labor-saving of operation.

CN223671114UActive Publication Date: 2025-12-16吴江港华燃气有限公司
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Patent Information

Application Number
CN202423168818.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-16
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing valve bolt removal wrenches are often unsuitable in shape or size, making them unable to remove bolts and requiring frequent tool changes, which is inconvenient.

Method used

An adjustable valve bolt removal wrench was designed, equipped with round and square jaw components. Through a sliding connection and threaded rod clamp structure, it can adapt to valve bolts of different shapes and sizes. Combined with a handle sleeve and grip, it improves the way force is applied.

Benefits of technology

It improves the adaptability and practicality of wrenches, reduces tool change time, and enhances the convenience and labor-saving of operation, especially when dealing with tight bolts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a valve bolt disassembly wrench capable of being adjusted in a square and round mode, and particularly relates to the field of mechanical maintenance, the valve bolt disassembly wrench comprises a handle, a grab handle sleeve is fixedly sleeved on the outer side of the handle, mounting holes are formed in the surfaces of the grab handle sleeve and the handle, a fixing rod is fixedly arranged in the mounting holes, and a connecting rod is fixedly arranged at one end of the fixing rod. The outer side of the connecting rod is rotationally sleeved with a holding rod, a clamping groove plate is hinged to the rear side of the holding handle sleeve, first sliding ways are formed in the surfaces of the front sides of the holding handle sleeve and the handle, and a square and round adjusting assembly is arranged on one side of the handle. According to the utility model, the square-round adjusting component is arranged, and the round tong head is arranged on the original wrench with the square tong head, so that the practicability and the adaptability of the wrench are improved, and the wrench does not need to be replaced when the wrench is used for valve bolts with different shapes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical maintenance technical field more specifically, the utility model relates to a square round adjustable valve bolt dismounting wrench. BACKGROUND

[0002] Valve bolt dismounting wrench is a kind of tool specially used for dismounting and installing bolt on valve, its main function is through suitable opening size or special structure design and bolt head tightly adhere to, utilize lever principle, exert torque to loosen or tighten bolt. This can facilitate staff when maintaining, replacing valve or carrying out pipeline system maintenance etc. Operation, effectively and safely handle the bolt of valve connecting part.

[0003] But the valve bolt dismounting wrench of prior art when using, usually because the shape or size of valve bolt needed to dismount and wrench are not suitable, and lead to unable to dismount, need to replace wrench and dismount, it is more troublesome. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides a square round adjustable valve bolt dismounting wrench to solve the problems raised in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a square round adjustable valve bolt dismounting wrench, including handle, the handle outside fixed sleeve is equipped with handle sleeve, the handle sleeve and handle surface are all equipped with mounting hole, the mounting hole is fixedly provided with fixed rod, one end of the fixed rod is fixedly provided with connecting rod, the connecting rod outside rotation sleeve is equipped with handle, the handle sleeve rear side is hinged with the slot plate, the handle sleeve and handle front side surface are all equipped with first slide, one side of the handle is equipped with square round adjusting assembly;

[0006] The square round adjusting assembly includes a circular jaw member and a square jaw member, and the square jaw member is slidably connected with the circular jaw member.

[0007] As a further description of the above technical scheme:

[0008] The circular jaw member includes a first connecting plate, the first connecting plate is slidably connected with the handle, and a second slide is formed in the front side of the first connecting plate.

[0009] As a further description of the above technical scheme:

[0010] One end of the second slide is fixedly provided with a telescopic spring, one end of the telescopic spring is fixedly provided with a latch rod, one side of the latch rod is fixedly provided with a pull rod, and one end of the first connecting plate is provided in an arc shape.

[0011] As a further description of the above technical solutions:

[0012] One end of the first connecting plate is rotatably provided with a connecting ring, the inner side of the connecting ring is rotatably provided with a circular jaw, the bolt rod is inserted into the connecting ring and the circular jaw, and the side of the connecting ring is rotatably provided with a second connecting plate.

[0013] As a further description of the above technical solutions:

[0014] The square jaw component comprises a mounting shell, the mounting shell is slidably connected with the second connecting plate, the rear side of the mounting shell is hingedly connected with a buckle plate, one side of the mounting shell is provided in a circular arc shape, and the mounting plate is fixedly arranged on one side of the circular arc-shaped mounting shell.

[0015] As a further description of the above technical solutions:

[0016] The surface of the mounting plate is provided with a moving groove, a threaded rod is rotatably arranged in the inner side of the moving groove, the threaded rod extends to the outer side through the mounting plate and the mounting shell at both ends, and a torsion sleeve is fixedly arranged at one end of the threaded rod.

[0017] As a further description of the above technical solutions:

[0018] The surface of the mounting plate is provided with a square jaw, which is arranged on one side of the moving groove, and the inner side of the square jaw is provided with two clamping plates, both of which are slidably connected with the square jaw, and the side of the clamping plate is threadedly connected with the threaded rod.

[0019] The technical effects and advantages of the utility model are:

[0020] 1. By setting up the square-round adjusting assembly, compared with the prior art, the circular jaw is installed on the wrench with only square jaw, the practicability and adaptability of the wrench are improved, and the wrench does not need to be replaced when facing different shaped valve bolts;

[0021] 2. By setting up the threaded rod and the clamping plate, compared with the prior art, the adaptability of the wrench can be well reflected when facing valve bolts of the same shape but different sizes, the wrench is widely applied, the time for replacing tools is reduced, and convenience and speed are improved;

[0022] 3. By setting up the handle sleeve and the handle rod, compared with the prior art, when facing very tightly fitted bolts, a lot of force is often needed, if directly contacting the handle, hand pain and other problems will be caused, the handle sleeve improves the hand holding feeling, and can better exert force, the setting of the handle rod changes the force from pushing force to pulling force and then to pushing force in the rotation process of the holding feeling, and is more labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the utility model.

[0024] Figure 2 For the square round adjusting process structure schematic view of the utility model.

[0025] Figure 3 For the handle structure schematic view of the utility model.

[0026] Figure 4 For the round jaw member structure schematic view of the utility model.

[0027] Figure 5 For the plug-in structure schematic view of the utility model.

[0028] Figure 6 For the square jaw member structure schematic view of the utility model.

[0029] Figure 7 For the clamping structure schematic view of the utility model.

[0030] The figure mark is: 1, handle; 2, handle sleeve; 3, mounting hole; 4, fixed rod; 5, connecting rod; 6, handle rod; 7, card slot plate; 8, first slide; 9, round jaw member; 901, first connecting plate; 902, second slide; 903, extension spring; 904, bolt rod; 905, pull rod; 906, connecting ring; 907, round jaw; 908, second connecting plate; 10, square jaw member; 1001, mounting shell; 1002, buckle plate; 1003, mounting plate; 1004, moving groove; 1005, threaded rod; 1006, torsion sleeve; 1007, square jaw; 1008, clamping plate. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] As shown in the accompanying Figures 1-5The utility model provides an adjustable square and round valve bolt dismounting wrench, including handle 1, set up as metal material, handle 1 outside fixed cover is equipped with handle sleeve 2, set up as rubber material, handle sleeve 2 with handle 1 surface all are equipped with mounting hole 3, fixedly arranged with fixed rod 4 in mounting hole 3, one end of fixed rod 4 is fixedly arranged with connecting rod 5, connecting rod 5 outside rotation cover is equipped with grip lever 6, when the bolt is too close, change the force mode, the function of labor saving, handle sleeve 2 rear side articulates with the clamping groove plate 7, cooperate buckle plate 1002 and play the function of fixing, handle sleeve 2 with handle 1 front side surface all are equipped with first slide 8, and the first slide 8 is convenient for the movement of pull rod 905, and handle 1 one side is equipped with square and round adjusting assembly.

[0033] Square and round adjusting assembly includes, round jaw member 9 and square jaw member 10, square jaw member 10 is slidably connected with round jaw member 9.

[0034] In some embodiments, according to Figure 1 As shown, round jaw member 9 includes first connecting plate 901, set up as metal material, first connecting plate 901 is slidably connected with handle 1, and the first connecting plate 901 front side is equipped with second slide 902, and the second slide 902 is convenient for the movement of bolt rod 904.

[0035] In some embodiments, according to Figure 4 And Figure 5 As shown, one end of second slide 902 is fixedly arranged with telescopic spring 903, one end of telescopic spring 903 is fixedly arranged with bolt rod 904, one side of bolt rod 904 is fixedly arranged with pull rod 905, and one end of first connecting plate 901 is set as arc.

[0036] In some embodiments, according to Figure 4 As shown, one end of first connecting plate 901 is rotatably provided with connecting ring 906, the inner side of connecting ring 906 is rotatably provided with round jaw 907, bolt rod 904 is inserted with connecting ring 906 and round jaw 907, and one side of connecting ring 906 is rotatably provided with second connecting plate 908.

[0037] In some embodiments, according to Figure 6 As shown, square jaw member 10 includes mounting shell 1001, set up as metal material, mounting shell 1001 is slidably connected with second connecting plate 908, buckle plate 1002 is hinged to the rear side of mounting shell 1001, one side of mounting shell 1001 is set as arc, and one side of the arc of mounting shell 1001 is fixedly arranged with mounting plate 1003.

[0038] In some embodiments, according to Figure 7As shown, the mounting plate 1003 is provided with a moving groove 1004, and a threaded rod 1005 is rotatably arranged in the moving groove 1004, both ends of the threaded rod 1005 penetrate the mounting plate 1003 and the mounting shell 1001 and extend to the outside, and one end of the threaded rod 1005 is fixedly provided with a twist sleeve 1006.

[0039] In some embodiments, according to Figure 7 As shown, the mounting plate 1003 is provided with a square jaw 1007, and the square jaw 1007 is arranged on one side of the moving groove 1004, and two clamping plates 1008 are arranged in the square jaw 1007, both clamping plates 1008 are slidably connected with the square jaw 1007, and one side of the clamping plate 1008 is threadedly connected with the threaded rod 1005, and by twisting the twist sleeve 1006, the threaded rod 1005 is rotated to drive the clamping plate 1008 to move.

[0040] The utility model discloses working principle: when need to disassemble valve bolt, staff first will square jaw 1007 be in bolt, then according to bolt size, twist twist sleeve 1006, threaded rod 1005 rotation, threaded rod 1005 rotation drives clamping plate 1008 to move, until clamping plate 1008 clamps bolt, then staff holds handle sleeve 2, and the bolt is disassembled, if bolt is too close, utilize holding lever 6, change force mode, and the bolt is disassembled.

[0041] When the bolt to be disassembled is circular, the mounting shell 1001 and the handle 1 are pulled apart, at this time, the first connecting plate 901 and the second connecting plate 908 carry the connecting ring 906 and the circular jaw 907 to slide out, and the staff pulls the pull rod 905 to remove the connecting ring 906 and the circular jaw 907 along the second sliding groove 902, and then the mounting shell 1001 and the handle 1 are rotated to contact in opposite directions, and the buckle plate 1002 and the clamping groove plate 7 are fixed.

[0042] Then the circular jaw 907 is sleeved on the bolt and fixed, and the bolt is disassembled, if the bolt is too close, the holding lever 6 is used to change the force mode, and the bolt is disassembled.

Claims

1. A square and round adjustable valve bolt removal wrench comprising a handle (1), characterized in that: The handle (1) outside fixed cover is equipped with the handle sleeve (2), the handle sleeve (2) with handle (1) surface all are equipped with mounting hole (3), the mounting hole (3) inside fixedly equipped with fixed link (4), the fixed link (4) one end fixedly equipped with connecting rod (5), the connecting rod (5) outside rotation cover is equipped with the handle (6), the handle sleeve (2) rear side articulates the card slot board (7), the handle sleeve (2) with handle (1) front side surface all are equipped with first slide (8), the handle (1) one side is equipped with square round adjustment assembly; The square round adjustment assembly includes a circular jaw member (9) and a square jaw member (10), and the square jaw member (10) is slidably connected with the circular jaw member (9).

2. A square adjustable valve bolt removal wrench as defined in claim 1, wherein: The circular jaw member (9) includes a first connecting plate (901), the first connecting plate (901) is slidably connected with the handle (1), and the first connecting plate (901) is provided with a second slide (902) on the front side.

3. A square adjustable valve bolt removal wrench as defined in claim 2 wherein: One end of the second slide (902) is fixedly provided with a telescopic spring (903), one end of the telescopic spring (903) is fixedly provided with a latch rod (904), one side of the latch rod (904) is fixedly provided with a pull rod (905), and one end of the first connecting plate (901) is provided in an arc shape.

4. A square adjustable valve bolt removal wrench as defined in claim 3, wherein: One end of the first connecting plate (901) is rotatably provided with a connecting ring (906), the inner side of the connecting ring (906) is rotatably provided with a circular jaw (907), the latch rod (904) is inserted into the connecting ring (906) and the circular jaw (907), and one side of the connecting ring (906) is rotatably provided with a second connecting plate (908).

5. The square adjustable valve bolt removal wrench of claim 1, wherein: The square jaw member (10) includes a mounting shell (1001), the mounting shell (1001) is slidably connected with the second connecting plate (908), the mounting shell (1001) is hingedly provided with a buckle plate (1002) on the rear side, the mounting shell (1001) is provided in an arc shape on one side, and the mounting shell (1001) is fixedly provided with a mounting plate (1003) on one side of the arc shape.

6. A square adjustable valve bolt removal wrench as defined in claim 5, wherein: A moving groove (1004) is formed on the surface of the mounting plate (1003), a threaded rod (1005) is rotatably arranged in the inner side of the moving groove (1004), both ends of the threaded rod (1005) penetrate through the mounting plate (1003) and the mounting shell (1001) and extend to the outer side, and a torsion sleeve (1006) is fixedly arranged at one end of the threaded rod (1005).

7. The adjustable valve bolt removal wrench of claim 5, wherein: A square jaw (1007) is formed on the surface of the mounting plate (1003) and arranged on one side of the moving groove (1004), two clamping plates (1008) are arranged on the inner side of the square jaw (1007), and the two clamping plates (1008) are slidably connected with the square jaw (1007).