Wrench with adjustable arm length

Abstract

The wrench capable of adjusting the arm length comprises a wrench body, the wrench body comprises a handle, one end of the handle is provided with a chuck structure, the other end of the handle is symmetrically provided with a limiting sliding groove and a positioning hole, the handle is sleeved with an adjustable protective sleeve, and the adjustable protective sleeve is matched with the handle in an adjusting mode through an adjusting structure. By adopting the structure, the length of the handle can be flexibly adjusted according to the size of a maintenance space, the handle can be freely applied to various working environments, dismounting and fastening are more convenient, and the working efficiency is improved; the length adjusting range of the handle is wide, adjusting and fixing are stable and firm, operation is easier, and safe and stable production is facilitated; the device is simple in overall structure, convenient to regulate and control and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy and hydropower maintenance equipment, in particular to a wrench with adjustable arm length. Background Art

[0002] At present, many production sites use coaxial cable communication. There are a large number of HE repeater cable connectors, remote coaxial cable TAP connectors, local communication module CRP coaxial cable connectors, and remote communication module CRA coaxial cable connectors. Tightening the connectors is an important task in daily maintenance. Among them, the remote coaxial cable TAP connector is installed on the left and right sides of the cabinet. The TAP connector is close to the equipment on both sides and the distance is narrow. Ordinary wrenches can only tighten other coaxial cable connectors but cannot complete the tightening of the TAP connector. Therefore, a new type of adjustable arm length wrench is needed, and its arm length can be adjusted according to different workplaces to meet the needs of actual production sites. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a wrench with adjustable arm length, which can flexibly adjust the handle length according to the size of the maintenance space and can be freely used in various working environments, making disassembly and tightening more convenient and improving work efficiency; the handle length adjustment range is wide, the adjustment and fixation are stable and reliable, the operation is easier, and it is conducive to safe and stable production; the overall structure of the device is simple, the regulation is convenient, and the practicability is strong.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a wrench with adjustable arm length, comprising a wrench body, wherein the wrench body comprises a handle, one end of the handle is provided with a chuck structure, the other end of the handle is symmetrically provided with a limit slide groove and a positioning hole, an adjustable sheath is sleeved on the handle, and the adjustable sheath is adjusted and matched with the handle through an adjustment structure;

[0005] The adjustment structure comprises a locking rod matched with the positioning hole, the two ends of the locking rod are respectively provided with a pressing head and a limiting end, an elastic member is sleeved on the locking rod, and the two ends of the elastic member are respectively connected to the pressing head and the handle;

[0006] The adjustable protective sleeve comprises a sleeve handle, wherein the interior of the sleeve handle is symmetrically provided with limit slide bars cooperating with the limit slide groove, and the top and bottom surfaces of the sleeve handle are symmetrically provided with adjustment grooves cooperating with the adjustment structure, and the adjustment groove is provided with a matching groove.

[0007] In a preferred solution, the width of the adjustment groove is not less than the width of the pressing head.

[0008] In a preferred embodiment, the limit end includes a positioning head that cooperates with the adjustment groove, the positioning head is provided with a matching head that cooperates with the matching groove, the matching head is symmetrically provided with locking blocks, and the locking blocks cooperate with the locking grooves provided on the matching grooves.

[0009] In a preferred solution, guide bevel grooves are symmetrically provided on both sides of the locking groove.

[0010] In a preferred solution, anti-skid side panels are symmetrically provided on both sides of the sleeve handle, and a plurality of groups of anti-skid patterns are provided on the anti-skid side panels.

[0011] The utility model provides a wrench with adjustable arm length, which has the following beneficial effects by adopting the above structure:

[0012] (1) The handle length can be flexibly adjusted according to the size of the maintenance space and can be freely used in various working environments, making disassembly and tightening more convenient and improving work efficiency;

[0013] (2) The handle length has a wide adjustment range, the adjustment is stable and secure, the operation is easier, and it is conducive to safe and stable production;

[0014] (3) The overall structure of the device is simple, easy to control and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the wrench body of the utility model.

[0019] Figure 4 It is a schematic diagram of the adjustment structure of the utility model.

[0020] Figure 5 This is a schematic diagram of the adjustable sheath structure of the utility model.

[0021] Figure 6 This is a schematic diagram of the adjustable sheath structure of the utility model.

[0022] In the figure: wrench body 1, adjustment structure 2, adjustable sheath 3, handle 4, limit slide groove 5, positioning hole 6, locking rod 7, pressing head 8, locking rod 7, elastic member 9, positioning head 10, matching head 11, locking block 12, sleeve handle 13, limit slide bar 14, adjustment groove 15, matching groove 16, anti-slip side plate 17, anti-slip texture 18, locking groove 19, guide inclined groove 20. DETAILED DESCRIPTION

[0023] like Figure 1-6In the invention, a wrench with adjustable arm length comprises a wrench body 1, wherein the wrench body 1 comprises a handle 4, one end of the handle 4 is provided with a chuck structure, the other end of the handle 4 is symmetrically provided with a limit slide groove 5 and a positioning hole 6, an adjustable sheath 3 is sleeved on the handle 4, and the adjustable sheath 3 is adjusted and matched with the handle 4 through an adjustment structure 2;

[0024] The adjustment structure 2 includes a locking rod 7 matched with the positioning hole 6, and the two ends of the locking rod 7 are respectively provided with a pressing head 8 and a limiting end, and an elastic member 9 is sleeved on the locking rod 7, and the two ends of the elastic member 9 are respectively connected to the pressing head 8 and the handle 4;

[0025] The adjustable sheath 3 comprises a sheath handle 13 , inside of which are symmetrically provided with limit slide bars 14 cooperating with the limit slide groove 5 , and the top and bottom surfaces of the sheath handle 13 are symmetrically provided with adjustment grooves 15 cooperating with the adjustment structure 2 , and the adjustment groove 15 is provided with a matching groove 16 .

[0026] In a preferred solution, the width of the adjustment slot 15 is not less than the width of the pressing head 8, so as to ensure that the pressing head 8 is stable in the downward operation and will not get stuck.

[0027] In the preferred solution, the limit end includes a positioning head 10 matched with the adjustment groove 15, a matching head 11 matched with the matching groove 16 is provided on the positioning head 10, a locking block 12 is symmetrically provided on the matching head 11, and the locking block 12 matches with the locking groove 19 provided on the matching groove 16. The locking positioning has strong adjustability, more choices, and is practical and convenient.

[0028] In the preferred solution, guide inclined grooves 20 are symmetrically arranged on both sides of the locking groove 19 to facilitate locking.

[0029] In a preferred solution, the two sides of the sleeve handle 13 are symmetrically provided with anti-skid side plates 17, and the anti-skid side plates 17 are provided with multiple groups of anti-skid patterns 18. The grip is more stable and the anti-skid property is good.

[0030] The method of using the utility model is as follows: when adjusting the overall length, by pressing the pressing head 8 downward, the locking block 12 at the other end of the locking rod 7 is disengaged from the locking groove 19, and the sleeve handle 13 is slid synchronously, and the adjustment groove 15 on the sleeve handle 13 cooperates with the adjustment structure 2 as a whole, and does not affect the front and rear sliding of the sleeve handle 13. After adjusting to the appropriate length, release the pressing head 8, so that the locking block 12 can be locked with the corresponding locking groove 19 again, and the elastic force of the elastic member 9 is used to ensure stable locking.

[0031] The beneficial effects of the utility model are as follows: the handle length can be flexibly adjusted according to the size of the maintenance space, and it can be freely used in various working environments, making disassembly and fastening more convenient and improving work efficiency; the handle length has a wide adjustment range, the adjustment and fixation are stable and reliable, the operation is easier, and it is conducive to safe and stable production; the overall structure of the device is simple, the regulation is convenient, and the practicability is strong.

Claims

1. A wrench with adjustable arm length, comprising a wrench body (1), characterized in that: The wrench body (1) comprises a handle (4), one end of the handle (4) is provided with a chuck structure, the other end of the handle (4) is symmetrically provided with a limit slide groove (5) and a positioning hole (6), the handle (4) is covered with an adjustable sheath (3), and the adjustable sheath (3) is adjusted and matched with the handle (4) through the adjustment structure (2); The adjustment structure (2) comprises a locking rod (7) matched with the positioning hole (6), the two ends of the locking rod (7) are respectively provided with a pressing head (8) and a limiting end, an elastic member (9) is sleeved on the locking rod (7), and the two ends of the elastic member (9) are respectively connected to the pressing head (8) and the handle (4); The adjustable protective cover (3) comprises a cover handle (13), wherein a limit slide bar (14) cooperating with the limit slide groove (5) is symmetrically arranged inside the cover handle (13), and an adjustment groove (15) cooperating with the adjustment structure (2) is symmetrically arranged on the top and bottom surfaces of the cover handle (13), and a matching groove (16) is arranged on the adjustment groove (15).

2. The wrench with adjustable arm length according to claim 1, characterized in that: The width of the adjustment groove (15) is not less than the width of the pressing head (8).

3. The wrench with adjustable arm length according to claim 1, characterized in that: The limiting end comprises a positioning head (10) matched with the adjusting groove (15); the positioning head (10) is provided with a matching head (11) matched with the matching groove (16); the matching head (11) is symmetrically provided with a locking block (12); the locking block (12) matches with a locking groove (19) provided on the matching groove (16).

4. The wrench with adjustable arm length according to claim 3, characterized in that: Guide inclined grooves (20) are symmetrically provided on both sides of the locking groove (19).

5. The wrench with adjustable arm length according to claim 1, characterized in that: The sleeve handle (13) is symmetrically provided with anti-skid side plates (17) on both sides, and the anti-skid side plates (17) are provided with a plurality of groups of anti-skid patterns (18).

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