Open spanner capable of being used in narrow space
By designing an open-end wrench including jaws, clamp bodies, transmissions and actuators, the problem that the wrench cannot screw nuts in a narrow space is solved, and the effort-saving and time-saving twisting effect is achieved.
Patent Information
- Application Number
- CN202410022642.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-08
- Publication Date
- 2025-07-08
AI Technical Summary
Existing wrenches cannot screw nuts in tight spaces, and cannot be loosened or tightened with normal wrenches.
An open-end wrench including jaws, clamp bodies, transmissions, followers and actuators is designed, and the screwing function in a narrow space is realized through gear meshing and rivet connection.
It realizes a nut screwing operation that saves labor, time and effort in a narrow space. It has a simple structure, low cost and is easy to manufacture.
Smart Images
Figure CN120269489A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of manual tools, and more specifically to an open-end wrench that can be used in a narrow space. Background Art
[0002] When using an ordinary wrench to screw a nut, it is necessary to turn the wrench left and right to loosen or tighten the nut. When there is no space on the left and right of the nut and the wrench cannot be turned left and right, the nut cannot be screwed with an ordinary wrench. Summary of the Invention
[0003] The purpose of the present invention is to solve the above technical deficiencies, and to provide an open-end wrench that is reasonable in design, simple in structure, low in cost, easy to manufacture, and labor-saving, time-saving and labor-saving when in use and can be used in a narrow space.
[0004] The technical solution adopted by the present invention is an open-end wrench that can be used in a narrow space, which is characterized by including a jaw, a pliers body, a transmission member, a driven member, a driving member, and a rivet. The jaw is provided with a U-shaped opening for screwing a nut, and is externally provided with a circle of gears and internally provided with a circle of symmetric convex platforms on both sides in the middle; the pliers body is provided with a cavity inside, and the head is provided with a U-shaped opening, and the nut can be placed in this opening. There is a circular groove around the opening. The convex platform on the jaw can be installed in this groove and can rotate freely in the groove. The middle part of the pliers body is provided with three through holes, each of which installs a driven member, and the tail is provided with a through hole for installing the driving member. There are eight through holes around, and the two pliers bodies are fixed together by rivets. The driving member is externally provided with a circle of gears, and is provided with two circular convex platforms up and down. This convex platform can rotate freely in the through hole at the tail of the pliers body, and there is a square through hole in the middle. The driven member is externally provided with a circle of gears and can mesh with the gears on the jaw. There is a through hole in the middle and is installed on the pliers body by a rivet.
[0005] The present invention is reasonable in design, simple in structure, low in cost, easy to manufacture, and labor-saving, time-saving and labor-saving when in use, and is an open-end wrench that can be used in a narrow space. Brief Description of the Drawings
[0006] Figure 1 It is a schematic structural diagram of the present invention.
[0007] Figure 2 It is a schematic structural diagram of the jaw of the present invention.
[0008] Figure 3 It is a schematic structural diagram of the pliers body of the present invention.
[0009] Figure 4 It is a schematic structural diagram of the driving member of the present invention.
[0010] Figure 5 It is a cross-sectional view of the driving member of the present invention.
[0011] Markings in the figure: 1 jaw, 2 pliers body, 3 follower A, 4 follower B, 5 transmission member, 6 driving member, 7 rivet A, 8 rivet B. Embodiment
[0012] As shown in the figure, an open-end wrench that can be used in a narrow space, characterized by comprising a jaw 1, a pliers body 2, a transmission member 5, a follower, a driving member 6, and rivets. The jaw 1 is provided with a U-shaped opening for screwing nuts, and is externally provided with a ring of gears and internally provided with a ring of symmetric convex platforms on both sides. The pliers body 2 is internally provided with a cavity, and its head is provided with a U-shaped opening. The nut can be placed in this opening, and a circular groove is provided around the opening. The convex platform on the jaw 1 can be installed in this groove and can rotate freely in the groove. The middle part of the pliers body 2 is provided with three through holes. The upper and lower through holes are each installed with a follower A 3 through a rivet A 7, and the middle through hole is installed with a follower B 4 through a rivet A 7. The tail part is provided with a through hole, and eight through holes are provided around it. The two pliers bodies 2 are fixed together through a rivet B 88. The driving member 6 is externally provided with a ring of gears for installing the transmission member 5, and is provided with two circular convex platforms up and down. These convex platforms can rotate freely in the through hole at the tail of the pliers body 2. A square through hole is provided in the middle. The follower A 3 is externally provided with a ring of gears and can mesh with the gears on the jaw 1. A through hole is provided in the middle and is installed on the pliers body 2 through a rivet A 7. The follower B 4 is provided with a ring of gears up and down. The lower gear meshes with the gears on the two followers A 3, and the upper gear is used for installing the transmission member 5. A through hole is provided in the middle and is installed on the pliers body 2 through a rivet A 7.
[0013] When it is necessary to screw a nut, first place the nut in the opening at the head of the jaw 1, and then rotate the driving member 6 by using the square hole in the middle of the driving member 6. The driving member 6 drives the follower B 4 to rotate through the transmission member 5. The follower B 4 drives the two followers A 3 to rotate, and the two followers A 3 drive the jaw 1 to rotate and screw the nut.
[0014] When the opening of the jaw 1 rotates to a follower A 3, the other follower A 3 can drive the jaw 1 to continue rotating.
Claims
1. An open-end wrench that can be used in a narrow space, characterized in that It includes jaws, a pliers body, a transmission part, a driven part, a driving part, and a rivet. There is a U-shaped opening on the jaws for screwing nuts. There is a ring of gears on the outside and a ring of symmetric convex platforms on both sides in the middle. There is a cavity in the pliers body, and a U-shaped opening at the head. There is a circular groove around the opening. The convex platforms on the jaws can be installed in this groove and can rotate freely in the groove. There are three through holes in the middle of the pliers body, one through hole at the tail, and eight through holes around. There is a ring of gears on the outside of the driving part, and two circular convex platforms on the upper and lower parts. These convex platforms can rotate freely in the through hole at the tail of the pliers body. The driven part has a ring of gears on the outside, can mesh with the gears on the jaws, and has a through hole in the middle.
2. The open-end wrench that can be used in a narrow space according to claim 1, wherein The driven part is a gear.
3. The open-end wrench that can be used in a narrow space according to claim 1, wherein The transmission mechanism is a chain.