Auxiliary handle of wrench
By designing a wrench auxiliary handle including an extension handle and a fixture, the problem of insufficient length of the existing manual wrench and difficulty in providing sufficient torque is solved, and effective tightening or loosening of difficult-to-twist threaded connectors is achieved.
Patent Information
- Application Number
- CN202420339257.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-23
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-02-23
AI Technical Summary
The existing manual wrench is not long enough to provide sufficient torque, making it difficult to carry out the construction process when a large torque is required to tighten or loosen threaded connectors.
A wrench auxiliary handle is designed, including an extension handle and a fixing frame, which fixes the wrench through the fixing frame, and extends the distance between the wrench force point and the front end of the wrench by extending the handle, increasing the torque to facilitate screwing of the threaded connection.
By increasing the length of the force arm, a larger torque is obtained, which solves the problem that existing manual wrenches are difficult to provide sufficient torque, and tightens or loosens the difficult-to-twist nuts, etc.
Smart Images
Figure CN222553419U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a wrench auxiliary tool, in particular to a wrench auxiliary handle. Background Art
[0002] Wrenches are commonly used tools in gas pipeline construction, maintenance and emergency rescue work. They are mainly used to remove or tighten threaded connections such as nuts or screws on structures such as flanges. The structures and sizes of existing manual double-ended wrenches on the market are relatively fixed. When encountering threaded connections that require a large torque to tighten or loosen, the existing manual wrenches are not long enough and it is difficult for humans to provide sufficient torque, which makes the pipeline construction process difficult. Utility Model Content
[0003] The utility model aims to provide a wrench auxiliary handle to solve the problem that the existing manual wrench is not long enough and is difficult to provide sufficient torque.
[0004] The utility model is implemented as follows: a wrench auxiliary handle comprises an extended handle and a fixing frame, wherein the fixing frame is located at the front end of the extended handle, two ribs are arranged on one side of the fixing frame, the length direction of the ribs is consistent with the length direction of the fixing frame, the gap between the two ribs is used to place the wrench, a limit block is arranged at the junction of the fixing frame and the extended handle, the limit block and the rib are located on the same side of the fixing frame, and the limit block is directly opposite to the gap between the two ribs.
[0005] For the auxiliary handle of the wrench of the utility model, the thickness of the retaining edge is greater than the thickness of the wrench, and the inner side surface of the retaining edge is inclined inwardly.
[0006] For the auxiliary handle of the wrench of the utility model, a groove is provided on the inner side surface of the retaining edge, and the groove runs through the entire length direction of the retaining edge.
[0007] For the auxiliary handle of the wrench of the utility model, the limit block is a cylindrical or hexagonal structure.
[0008] For the auxiliary handle of the wrench of the utility model, an anti-slip sleeve is sleeved on the end of the extended handle.
[0009] For the auxiliary handle of the wrench of the utility model, the junction between the extended handle and the fixing frame is a smooth transition structure.
[0010] The utility model can be installed with an existing manual double-ended wrench, fix the wrench to a certain extent through the fixing frame, and extend the distance between the force-bearing point of the wrench and the front end of the wrench by extending the handle. When screwing threaded connectors such as bolts or nuts, force is applied to the end of the extended handle, and a larger torque is generated through the longer handle, so that nuts that are difficult to screw are rotated, thereby tightening or loosening the nuts.
[0011] The wrench is placed on the fixing frame, and the position of one end thereof is fixed by a limiting block, so that relative movement along the length direction of the utility model can be prevented between the utility model and the wrench during use. At the same time, the relative movement of the wrench in the rotation direction is limited by two retaining edges on the fixing frame, so that the wrench rotates together with the utility model.
[0012] The utility model has a simple structure and is easy to use. The length of the force arm can be increased by directly placing the wrench on the fixing frame of the utility model, so that a larger torque can be obtained, which is convenient for screwing the threaded part. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural diagram of the utility model.
[0014] Figure 2 , Figure 3 It is a schematic diagram of the utility model being installed with a wrench.
[0015] Figure 4 yes Figure 2 AA view.
[0016] Figure 5 yes Figure 2 Another case of AA view.
[0017] In the figure: 1. Extended handle; 2. Fixed bracket; 3. Side guard; 4. Limit block; 5. Anti-slip sleeve; 6. Groove; 7. Double-ended wrench. DETAILED DESCRIPTION
[0018] The utility model is described in detail below in conjunction with the accompanying drawings.
[0019] like Figure 1 As shown, the utility model comprises an extended handle 1 and a fixing frame 2. The fixing frame 2 is located at the front end of the extended handle 1, and two flanges 3 are provided on one side of the fixing frame 2. The length direction of the flanges 3 is consistent with the length direction of the fixing frame 2. The gap between the two flanges 3 is used to place a wrench. A limit block 4 is provided at the junction of the fixing frame 2 and the extended handle 1. The limit block 4 and the flange 3 are located on the same side of the fixing frame 2, and the limit block 4 is directly opposite to the gap between the two flanges 3.
[0020] The fixing frame 2 and the extension handle 1 are both long strip structures. The fixing frame 2 and the extension handle 1 can be on the same straight line or have a certain angle. Generally, the fixing frame 2 and the extension handle 1 are located on the same straight line. In special circumstances, for certain special occasions (such as when there are obstacles around the pipeline), the fixing frame 2 and the extension handle 1 can also be at a certain angle.
[0021] like Figure 2 , Figure 3 As shown, one end of the double-ended wrench 7 is an open end wrench and the other end is an inner wrench. Some have both ends as open end wrenches or both ends as inner wrenches. After the double-ended wrench 7 is placed on the fixing frame 2, the wrench is located in the gap between the two ribs 3, as shown in FIG. Figure 2 As shown, at this time, the inner wrench is connected to the limit block 4, and the open-end wrench is exposed outside the front end of the fixing frame 2. At this time, the open-end wrench is the working end; Figure 3 As shown, at this moment, the open-end spanner is connected to the limit block 4, and the inner spanner is exposed outside the front end of the fixing frame 2, and at this moment, the inner spanner is the working end. No matter which end of the double-ended spanner 7 is used, it can be installed on the utility model.
[0022] The fixing frame 2 has a certain length, and the length is generally greater than one third of the length of the wrench, so that the torque can be stably transmitted to the wrench. The utility model is applicable to double-ended wrenches 7 of various specifications, as long as they can be placed in the fixing frame 2, one end is sleeved on the limit block 4 and the other end is exposed outside the fixing frame 2.
[0023] After the double-ended wrench 7 is installed on the fixing frame 2, it has a certain amount of looseness, and the double-ended wrench 7 can swing around the limit block 4 at a certain angle, but due to the restriction of the two retaining edges 3, the swing amplitude is very small.
[0024] In order to prevent the wrench from falling off the fixing frame 2 when swinging, the structure of the retaining edge 3 is specially designed, and the retaining edge 3 can be in the following two forms.
[0025] The first structure, such as Figure 4 As shown, the thickness of the retaining edge 3 is greater than the thickness of the wrench, and the inner side surface of the retaining edge 3 is inclined inward. When the wrench swings relative to the fixing frame 2, when it contacts one side of the retaining edge 3, since the inner side surface of the retaining edge 3 is an inclined surface, the wrench will not fall out of the fixing frame 2 under the action of the inclined surface.
[0026] The second structure, such as Figure 5 As shown, a groove 6 is provided on the inner side of the retaining edge 3, and the groove 6 runs through the entire length direction of the retaining edge 3. When the wrench swings relative to the fixing frame 2, the wrench enters the groove 6, and the groove 6 restricts the wrench from coming out of the fixing frame 2.
[0027] The limiting block 4 is in a cylindrical or hexagonal prism structure, so that an open-end wrench or an inner wrench of the double-ended wrench 7 can be sleeved on the limiting block 4 .
[0028] The limit block 4 is located at the junction of the extended handle 1 and the fixed frame 2, and the junction of the extended handle 1 and the fixed frame 2 is a smooth transition structure.
[0029] The extension handle 1 has a relatively long length. In this specific embodiment, no specific limitation is imposed on the length. The length of the extension handle 1 can be set as required to meet the needs of on-site construction.
[0030] An anti-skid cover 5 is sleeved on the end of the extension handle 1. The anti-skid cover 5 is made of rubber. The anti-skid cover 5 can increase the comfort and safety of the operator when using it, and prevent the operator from slipping when exerting force.
[0031] The utility model has a simple structure and is easy to use. The lever arm length can be increased by directly placing the wrench on the fixing frame 2 of the utility model, thereby obtaining a larger torque, facilitating the screwing of the threaded member, and ensuring the safety of the operation.
[0032] The utility model can install a manual double-ended wrench 7 of various specifications, fix the wrench to a certain extent through the fixing frame 2, and extend the distance between the force-bearing point of the wrench and the front end of the wrench by extending the handle 1. When screwing threaded connectors such as bolts or nuts, force is applied to the end of the extended handle 1, and a larger torque is generated through the longer handle, so that nuts that are difficult to screw are rotated, thereby tightening or loosening the nuts.
Claims
1. A wrench auxiliary handle, characterized in that: It includes an extended handle and a fixing frame, the fixing frame is located at the front end of the extended handle, two ribs are provided on one side of the fixing frame, the length direction of the ribs is consistent with the length direction of the fixing frame, the gap between the two ribs is used to place a wrench, and a limit block is provided at the junction of the fixing frame and the extended handle, the limit block and the ribs are located on the same side of the fixing frame, and the limit block is opposite to the gap between the two ribs.
2. The wrench auxiliary handle according to claim 1, characterized in that: The thickness of the retaining edge is greater than the thickness of the wrench, and the inner side surface of the retaining edge is inclined inwardly.
3. The wrench auxiliary handle according to claim 1, characterized in that: A groove is provided on the inner side surface of the rib, and the groove runs through the entire length direction of the rib.
4. The wrench auxiliary handle according to claim 1, characterized in that: The limiting block is a cylindrical or hexagonal structure.
5. The wrench auxiliary handle according to claim 1, characterized in that: An anti-slip sleeve is sleeved on the end of the extended handle.
6. The wrench auxiliary handle according to claim 1, characterized in that: The junction between the extension handle and the fixing frame is a smooth transition structure.