Strong-torsion multi-purpose wrench
By attaching an extended handle to the wrench shaft and adding fasteners, the problem of the wrench shaft's non-adjustable length is solved, enabling the wrench to output strong torque and better tighten bolts that are difficult to turn.
Patent Information
- Application Number
- CN202520577665.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-31
AI Technical Summary
The existing wrench handles are not adjustable in length, resulting in insufficient force when tightening screws that are difficult to remove, making it difficult to tighten them effectively.
Design a high-torque multi-purpose wrench by attaching an extended handle to the wrench shaft and installing fasteners on the extended handle. The wrench shaft can be slidably adjusted and fixed using grooves and threaded holes. Combined with a reinforcing sleeve and knob structure, the stability of the handle is enhanced.
The adjustable length of the wrench handle enhances the torque output, enabling it to better tighten even the most difficult-to-tighten bolts and improving efficiency.
Smart Images

Figure CN223903818U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a wrench technical field especially relates to a strong torsion multipurpose wrench. BACKGROUND
[0002] Wrench is a kind of commonly used installation and disassembly tool, is the hand tool of the open or sleeve hole fastener such as bolt, screw, nut and other bolts or nuts by lever principle, and wrench is usually made of structural steel of carbon or alloy material.
[0003] The existing wrench is mostly integrated structure, that is to say, the length of wrench rod is set before factory, in some cases, due to the shorter rod of wrench, cannot adjust the length, and for more difficult to disassemble screw, shorter wrench rod, it is difficult to use force to twist it down, therefore we propose a strong torsion multipurpose wrench to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model provides a strong torsion multipurpose wrench, solves the technical problem that the current wrench rod cannot adjust the length.
[0005] To solve the above technical problem, the utility model provides a strong torsion multipurpose wrench, including the wrench body, the wrench body still includes wrench head and wrench rod, the wrench rod is sleeved with lengthened handle, the wrench rod is slidably arranged in the lengthened handle, the lengthened handle is also provided with fastener, and the fastener is threadedly connected on the lengthened handle.
[0006] Preferably, the lengthened handle is provided with a sliding slot along the length direction, and a threaded hole is formed in the lengthened handle and penetrates one side of the sliding slot.
[0007] The above technical scheme is adopted: the lengthened handle is provided with a sliding slot along the length direction, and a threaded hole is formed in the lengthened handle and penetrates one side of the sliding slot, the wrench rod is adjusted by sliding in the sliding slot, so that the length of the wrench is changed, the wrench rod is fastened by the fastener, and the wrench rod is fixed in the lengthened handle, so that the wrench can be used.
[0008] Preferably, the threaded hole is arranged at the half length of the sliding slot.
[0009] The above technical scheme is adopted: the threaded hole is arranged at the half length of the sliding slot, so that the wrench rod can only move to the half length of the sliding slot.
[0010] Preferably, the lengthened handle is also welded with a reinforcing sleeve.
[0011] The above technical scheme has the advantages that the reinforcing sleeve is arranged above the fastener, and the lengthened handle is partially reinforced.
[0012] Preferably, the reinforcing sleeve is arranged above the fastener.
[0013] The above technical scheme has the advantages that the reinforcing sleeve is arranged above the fastener, and the lengthened handle is partially reinforced.
[0014] Preferably, the sliding groove is rectangular, and the lengthened handle is rectangular.
[0015] The above technical scheme has the advantages that the sliding groove is rectangular, and the lengthened handle is rectangular.
[0016] Preferably, the fastener comprises a knob, a threaded column is fixed on the knob, and the threaded column is threadedly connected to the lengthened handle.
[0017] The above technical scheme has the advantages that the fastener comprises the knob, the threaded column is fixed on the knob, and the threaded column is threadedly connected to the lengthened handle; the knob is rotated to drive the threaded column to rotate, so that the threaded column presses the wrench rod, and the wrench rod is fixed in the lengthened handle.
[0018] Preferably, the bottom of the lengthened handle is further provided with a first hexagonal hole and a second hexagonal hole.
[0019] The above technical scheme has the advantages that the first hexagonal hole and the second hexagonal hole are arranged on the bottom of the lengthened handle, and the sizes of the first hexagonal hole and the second hexagonal hole are the sizes of common hexagonal bolts, so that the bolts are conveniently disassembled or fastened.
[0020] Preferably, the wrench head further comprises a movable head and a fixed head, the movable head is provided with a scale needle, and the wrench head is provided with a scale line.
[0021] The above technical scheme has the advantages that the wrench head further comprises the movable head and the fixed head, the movable head is provided with the scale needle, and the wrench head is provided with the scale line, so that the adjustment position of the movable head is known, and whether the position is adjusted to the position suitable for the bolt is better determined.
[0022] Preferably, the movable head and the fixed head are provided with anti-skid tooth patterns.
[0023] The above technical scheme has the advantages that the movable head and the fixed head are provided with the anti-skid tooth patterns, and when the bolt is fastened or disassembled, the wrench does not slip when the wrench is twisted.
[0024] Compared with the related art, the utility model has the advantages that
[0025] 1、The utility model discloses a wrench compared with traditional, through being provided with lengthened handle, fastener, the wrench rod department is sleeved with lengthened handle, and the wrench rod department is slid to set up in lengthened handle, and lengthened handle still is provided with fastener, and fastener is screwed on lengthened handle, in actual use process, some bolts are more difficult to screw, because the overall rod department of wrench is shorter, and it is difficult to exert greater force, fastener loosens now, then the wrench rod department removes from lengthened handle partial, then fastener is fastened again, and the remaining part of wrench rod department is fixed in lengthened handle, the overall rod department of wrench is increased now, so that better force is gone in use, and the bolt that originally difficult to screw is screwed. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is a strong torsion multi -purpose wrench structure diagram;
[0027] Figure 2 It is a strong torsion multi -purpose wrench and lengthened handle structure diagram;
[0028] Figure 3 It is a strong torsion multi -purpose wrench and lengthened handle split diagram;
[0029] Figure 4 It is a strong torsion multi -purpose wrench and lengthened handle local section diagram.
[0030] Marked number in drawing: 1, wrench body;11, wrench head;110, fixed head;112, movable head;113, anti -slip tooth pattern;114, scale needle;115, scale line;12, wrench rod department;2, lengthened handle;21, sliding groove;22, threaded hole;3, reinforcing sleeve;4, fastener;41, knob;42, threaded column;5, first hexagonal hole;6, second hexagonal hole. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and 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 making creative labor are within the protection scope of the utility model.
[0032] Embodiment one
[0033] As Figures 1-4As shown, a strong torque multi-purpose wrench, including a wrench body 1, the wrench body 1 further includes a wrench head 11 and a wrench rod 12, the wrench rod 12 is sleeved with an extended handle 2, the wrench rod 12 is slidingly arranged in the extended handle 2, the extended handle 2 is further provided with a fastener 4, the fastener 4 is threadedly connected on the extended handle 2;
[0034] The wrench body 1 further includes a wrench head 11 and a wrench rod 12, the wrench rod 12 is sleeved with an extended handle 2, the wrench rod 12 is slidingly arranged in the extended handle 2, the extended handle 2 is further provided with a fastener 4, the fastener 4 is threadedly connected on the extended handle 2, in actual use, some bolts are more difficult to tighten, because the overall rod of the wrench is shorter, it is not easy to apply more force, at this moment, the fastener 4 is loosened, then the wrench rod 12 is removed from the extended handle 2, then the fastener 4 is tightened, the remaining part of the wrench rod 12 is fixed in the extended handle 2, at this moment, the overall rod of the wrench is lengthened, so that the force is better applied in use, so that the originally difficult-to-tighten bolts are tightened.
[0035] Embodiment two
[0036] As Figures 1-4 shown, a sliding groove 21 is opened along the length direction of the extended handle 2, a threaded hole 22 is opened on the extended handle 2, the threaded hole 22 penetrates one side of the sliding groove 21, the wrench rod 12 is slidingly adjusted in the sliding groove 21, so as to change the length of the overall wrench, the fastener 4 is adjusted to tighten the wrench rod 12, so that the wrench rod 12 is fixed in the extended handle 2, and the wrench can be used;
[0037] The threaded hole 22 is arranged at the one-half length of the sliding groove 21, so that the wrench rod 12 can be moved to the one-half length of the sliding groove 21 at most, the extended handle 2 is further welded with a reinforcing sleeve 3, the extended handle 2 is reinforced, so as to prevent excessive force from causing the end of the extended handle 2 to be torn, the reinforcing sleeve 3 is arranged above the fastener 4, so as to locally reinforce the extended handle 2;
[0038] The sliding groove 21 is rectangular, the extended handle 2 is rectangular, the fastener 4 includes a knob 41, the knob 41 is fixed with a threaded column 42, the threaded column 42 is threadedly connected on the extended handle 2, the knob 41 is rotated, so that the threaded column 42 is rotated to press the wrench rod 12, so that the wrench rod 12 is fixed in the extended handle 2.
[0039] The bottom of the extended handle 2 is further provided with a first hexagonal hole 5 and a second hexagonal hole 6, the sizes of the first hexagonal hole 5 and the second hexagonal hole 6 are the sizes of commonly used hexagonal bolts, so as to conveniently and quickly disassemble or tighten the bolts;
[0040] The wrench head 11 further comprises a movable head 112 and a fixed head 110, the movable head 112 is provided with a scale needle 114, and the wrench head 11 is provided with a scale line 115, so as to conveniently know the adjusting position of the movable head 112, thereby better judging whether the position is adjusted to adapt to the bolt or the like;
[0041] The movable head 112 and the fixed head 110 are both provided with anti-skid tooth patterns 113, when the bolt or the like is fastened or disassembled, when the wrench is twisted, the wrench will not appear the sign of slipping with the bolt or the like.
[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A strong torque multi-purpose wrench, comprising a wrench body (1), the wrench body (1) further comprising a wrench head (11) and a wrench rod (12), characterized in that, The wrench rod part (12) is sleeved with an extended handle (2), the wrench rod part (12) is slidably arranged in the extended handle (2), and the extended handle (2) is further provided with a fastener (4), and the fastener (4) is threadedly connected on the extended handle (2).
2. The strong torque multi-purpose wrench according to claim 1, wherein A sliding groove (21) is formed along the length direction of the extended handle (2), and a threaded hole (22) is formed on the extended handle (2), and the threaded hole (22) penetrates one side of the sliding groove (21).
3. The strong torque multi-purpose wrench according to claim 2, wherein The threaded hole (22) is arranged at one half of the length of the sliding groove (21).
4. The strong torque multi-purpose wrench according to claim 1, wherein The extended handle (2) is further welded with a reinforcing sleeve (3).
5. The strong torque multi-purpose wrench according to claim 4, wherein The reinforcing sleeve (3) is arranged above the fastener (4).
6. The strong torque multi-purpose wrench according to claim 2, wherein The sliding groove (21) is rectangular, and the extended handle (2) is rectangular.
7. The strong torque multi-purpose wrench according to claim 1, wherein The fastener (4) comprises a knob (41), the knob (41) is fixed with a threaded column (42), and the threaded column (42) is threadedly connected on the extended handle (2).
8. The strong torque multi-purpose wrench according to claim 1, wherein The bottom of the extended handle (2) is further provided with a first hexagonal hole (5) and a second hexagonal hole (6).
9. The strong torque multi-purpose wrench according to claim 1, wherein The wrench head (11) further comprises a movable head (112) and a fixed head (110), the movable head (112) is provided with a scale needle (114), and the wrench head (11) is provided with a scale line (115).
10. The strong torque multi-purpose wrench according to claim 9, wherein The movable head (112) and the fixed head (110) are both provided with anti-skid tooth patterns (113).