Wrench fixing clamp
By designing a wrench fixture, the problem of difficulty in operating the wrench in a narrow space is solved, effectively rotates and increases torque in a narrow space, and improves the decomposition efficiency of the fastener.
Patent Information
- Application Number
- CN202422586294.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-10-25
AI Technical Summary
During aircraft maintenance, the wrench is difficult to operate in a tight space, and the handle length is not enough to provide enough torque, making it difficult to loosen the fastener.
A wrench fixture is designed, including a clamping groove, an adapter plate and a rotary joint, forming an integrated structure that can assist the wrench to rotate and increase torque in a narrow space, and transmit torque through an afterburner rod.
It effectively assists the wrench to rotate in a narrow space, increases the torque, and improves the efficiency of fastener disassembly and the convenience of operation.
Smart Images
Figure CN223301606U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aviation manufacturing and maintenance, in particular to a wrench fixing fixture. Background Art
[0002] Aircraft maintenance often requires the use of wrenches. Because the two jaws of a wrench are connected by a long, central handle, loosening a fastener, such as a nut or bolt, requires continuous rotation. However, this rotation requires a large space to ensure the wrench's size and rotation angle meet operational requirements, while also leaving ample room for the operator's hands. However, in practice, due to the spatial limitations of some accessories, the operator's hand cannot securely grip the wrench's handle after clamping the fastener. Furthermore, due to the tightness of the fastener and the short length of the wrench's handle, the torque required to loosen the fastener is insufficient. Therefore, it is necessary to develop a tool that can assist with the wrench's removal of fasteners in confined spaces. Utility Model Content
[0003] In order to solve the above problems, the utility model provides a wrench fixing fixture, which, on the basis of ensuring the structural strength of the tool, can assist the wrench to rotate in a narrow space after the wrench clamps the fastener, and has the effect of increasing the wrench torque, thereby improving the efficiency of the disassembly operation.
[0004] The technical solution of the utility model is as follows:
[0005] A wrench fixing fixture includes a clamping groove A, a clamping groove B, an adapter plate and a rotary joint, which is an integrated structure; the clamping groove A and the clamping groove B are located at the two ends of the adapter plate, forming a symmetrical structure, but in opposite directions, with the grooves facing each other and both facing inward; the rotary joint is fixed at the center of the adapter plate.
[0006] The thickness of the adapter plate is 6 mm, and the connection between the adapter plate and the clamping groove A and the clamping groove B is a flat butt joint.
[0007] The bending angle diameter of the clamping groove A and the clamping groove B is 6 mm, and the included angle is 15°; the thickness of the material decreases evenly from the bending angle of the clamping groove A to the end of the clamping groove A, and from the bending angle of the clamping groove B to the end of the clamping groove B. At the end, the thickness f is 4 mm.
[0008] The shape of the rotary joint is a hexahedron structure, the diameter of the circumscribed circle of the hexagonal cross-section of the hexahedron is 25 mm, and a regular quadrilateral through hole is provided inside the hexahedron, and the side length of the quadrilateral is 15 mm; a through hole is also provided at the corresponding position of the adapter plate. After the rotary joint and the adapter plate are connected, the two through holes are connected.
[0009] The adapter plate is a rectangular structure.
[0010] The beneficial effects of the utility model are as follows: the utility model adopts an integrated structural design, is easy to use, the size of the clamping groove can be suitable for most wrenches, and has a simple structure and light weight. It is not easy to deform when a large torque is applied, and can be used in working conditions with limited space. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is an isometric view of a wrench fixing fixture.
[0012] Figure 2 It is a front view of a wrench fixing fixture.
[0013] Figure 3 This is a right side view of a wrench fixing fixture.
[0014] Figure 4 It is a left side view of a wrench fixing fixture.
[0015] Figure 5 A top view of a wrench fixing fixture.
[0016] Figure 6 This is a bottom view of a wrench fixing fixture.
[0017] Figure 7 A schematic diagram of the use of a wrench fixing fixture.
[0018] Figure 8 This is a view of a commonly used afterburner structure.
[0019] In the figure: 1-clamping slot A, 2-clamping slot B, 3-adapter plate, 4-rotary joint. DETAILED DESCRIPTION
[0020] The following further explains the specific implementation of the present invention in conjunction with the examples and drawings, but is not intended to limit the present invention.
[0021] This embodiment provides a wrench fixing fixture, such as Figures 1 to 6 As shown, it comprises a clamping slot A1, a clamping slot B2, an adapter plate 3, and a rotary joint 4. These four components form an integrated structure. Clamping slots A1 and B2 are located at opposite ends of the adapter plate, forming a symmetrical structure but in opposite directions. The adapter plate 3 is a rectangular structure, with the rotary joint 4 connected at its center of symmetry.
[0022] Furthermore, according to the actual use of the tool, in order to ensure the stability and torque requirements of the clamping groove A1 and the clamping groove B2 during the clamping wrench process, the thickness d of the adapter plate 3 is set to 6mm, and the connection between the adapter plate 3 and the clamping groove A2 (clamping groove B2) is a flat docking form. The bending angle diameter e of the clamping groove A (clamping groove B2) is set to 6mm, and the angle α is set to 15°. From the bending angle of the clamping groove A1 (clamping groove B2) to the end of the clamping groove A1 (clamping groove B2), the thickness of the material decreases evenly. At the end, the thickness f of the clamping groove A1 (clamping groove B2) is set to 4mm. The outer shape of the rotary joint is a hexahedron structure, and the diameter g of the circumscribed circle of the hexagonal cross-section of the hexahedron is set to 25mm. There is a regular quadrilateral through hole inside the hexahedron, and the side length h of the quadrilateral is set to 15mm. A through hole is also provided at the corresponding position of the adapter plate. After the rotary joint is connected to the adapter plate, the two through holes are connected.
[0023] In actual work, when the operating space cannot accommodate the operator to directly rotate the wrench handle, the wrench can be clamped on the wrench fixing fixture of the utility model, and then a force rod (such as Figure 8 As shown) is connected to the rotary joint 4, and the torque is transmitted to the wrench clamped by the wrench fixing fixture by rotating the force rod to complete the operation, as shown Figure 7 Alternatively, after the wrench fixing fixture of the present invention has clamped the wrench, another wrench may be clamped on the rotary joint to complete the operation.
Claims
1. A wrench fixing fixture, characterized in that: The wrench fixing fixture includes a clamping groove A, a clamping groove B, an adapter plate and a rotary joint, which is an integrated structure; the clamping groove A and the clamping groove B are located at both ends of the adapter plate, forming a symmetrical structure, but in opposite directions, with the grooves facing each other and both facing inward; the rotary joint is fixed at the center of the adapter plate.
2. A wrench fixing fixture according to claim 1, characterized in that: The thickness of the adapter plate is 6 mm, and the connection between the adapter plate and the clamping groove A and the clamping groove B is a flat butt joint.
3. A wrench fixing fixture according to claim 1 or 2, characterized in that: The bending angle diameter of the clamping groove A and the clamping groove B is 6 mm, and the included angle is 15°; the thickness of the material decreases evenly from the bending angle of the clamping groove A to the end of the clamping groove A, and from the bending angle of the clamping groove B to the end of the clamping groove B. At the end, the thickness f is 4 mm.
4. A wrench fixing fixture according to claim 1 or 2, characterized in that: The rotary joint has a hexahedral structure, the diameter of the circumscribed circle of the hexagonal regular section of the hexahedron is 25 mm, and a regular quadrilateral through hole is provided inside the hexahedron, and the side length of the quadrilateral is 15 mm.
5. The wrench fixing fixture according to claim 4, characterized in that: A through hole is also provided at the corresponding position of the adapter plate. After the rotary joint and the adapter plate are connected, the two through holes are connected.
6. A wrench fixing fixture according to claim 1 or 2, characterized in that: The adapter plate is a rectangular structure.