Self-locking reducing tool sleeve
By designing a self-locking variable diameter tool socket, the problem that existing socket wrenches cannot adapt to non-standard nuts and worn nuts is solved, and stable use and self-locking effect are achieved on nuts of different specifications.
Patent Information
- Application Number
- CN202520425047.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing socket wrenches cannot accommodate non-standard nuts and worn standard nuts, causing inconvenience in use.
The self-locking variable diameter tool sleeve is designed, which includes components such as an outer sleeve, an inner sleeve, a handle connecting plate, an adjusting cylinder, a toothed ring, and a contact ring. The inner sleeve can be changed in diameter by rotating the adjusting cylinder, and stable use at different diameters is ensured by the locking teeth and self-locking structure.
It can adapt to the use requirements of different specifications of nuts within a certain range, is easy to operate and can self-lock at any diameter, thus improving the applicability and stability of the sleeve.
Smart Images
Figure CN223903815U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sleeve technical field, concretely relates to self -locking variable diameter tool sleeve. BACKGROUND
[0002] The sleeve spanner utilizes sleeve to be directly sleeved on the hexagonal nut, and the nut can be rotated by rotating the spanner. The nut has many sizes, and for the standard nut, the sleeve size is adapted according to the standard of the nut, so that the sleeve spanner meeting the use needs can be mass-produced. However, the nut used in many fields is a non-standard nut, and the sizes of these non-standard nuts are different, so the existing sleeve spanner cannot meet the use needs. The standard nut can change in size due to wear and tear, modification and other reasons after long-term use, so that the originally matched sleeve spanner cannot be used continuously. Therefore, a spanner sleeve capable of adapting to nuts of different sizes is needed. SUMMARY
[0003] To solve the above technical problems, the utility model adopts the technical scheme of self -locking variable diameter tool sleeve, which comprises an outer sleeve and an inner sleeve, the inner sleeve is located inside the outer sleeve and is coaxially arranged with the outer sleeve, one side of the outer sleeve is fixedly connected with a handle connecting plate, one side of the inner sleeve is fixedly connected with the handle connecting plate through a plurality of connecting rods, the outer sleeve is threadedly connected with an adjusting cylinder, the lower end of the adjusting cylinder extends out of the outer sleeve and is fixedly connected with a gear ring, the upper end of the adjusting cylinder extends out of the outer sleeve and is fixedly connected with a rotating ring, the lower surface of the handle connecting plate is provided with a movable clamping plate, one end of the movable clamping plate is provided with a clamping tooth matched with the gear ring, the other end of the movable clamping plate is slidably installed in a sliding sleeve, a first spring is installed in the sliding sleeve, and the sliding sleeve is fixed on the handle connecting plate, a plurality of clamping blocks are arranged in the inner sleeve, a sliding rod is fixedly connected to the outer side of each clamping block, a through hole is formed in the inner sleeve for the sliding rod to pass through, the sliding rod is fixedly connected with a contact block after passing through the through hole, a contact ring is fixedly connected to the inner side of the adjusting cylinder, the inner diameter of the contact ring gradually increases from bottom to top, a second spring is sleeved on the sliding rod, and the second spring is clamped between the contact block and the inner sleeve.
[0004] As a preferred technical scheme of the above technical scheme, the number of the clamping blocks is six, and the six clamping blocks are arranged in a whole row around the circumference of the inner sleeve.
[0005] As a preferred technical scheme of the above technical scheme, the outer diameter of the rotating ring is greater than the outer diameter of the outer sleeve, and the outer diameter of the gear ring is greater than the outer diameter of the outer sleeve.
[0006] As a preferred technical scheme of the above technical scheme, a plurality of grooves for increasing the friction of the rotating ring are arranged on the circumferential surface of the rotating ring, and the grooves are uniformly and intermittently arranged.
[0007] As a preferred technical scheme of the above technical scheme, a ball groove is arranged on the outer side of the contact block, a ball is rotatably installed in the ball groove, and the ball is in contact with the contact ring.
[0008] As the preferred technical solution of the above, the movable cardboard is provided with a finger pressing part.
[0009] The self-locking variable-diameter tool sleeve can realize fine adjustment of the diameter of the spanner sleeve, and can adapt to the use requirements of different specifications and sizes of nut within a certain range. BRIEF DESCRIPTION OF DRAWINGS
[0010] Fig. 1 is a structural schematic diagram of the utility model;
[0011] Fig. 2 is a structural schematic diagram of another angle of the utility model;
[0012] Fig. 3 is a cross-sectional structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0013] The technical solutions of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are 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 those skilled in the art without creative labor belong to the protection scope of the utility model.
[0014] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0015] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0016] For example, Figs. 1-3As shown, the self-locking variable diameter tool sleeve comprises an outer sleeve 1 and an inner sleeve 2, the inner sleeve 2 is located inside the outer sleeve 1 and arranged coaxially with the outer sleeve 1, one side of the outer sleeve 1 is fixedly connected with a handle connecting plate 3, one side of the inner sleeve 2 is fixedly connected with the handle connecting plate 3 through a plurality of connecting rods 4, the outer sleeve 1 is threadedly connected with an adjusting cylinder 5, the lower end of the adjusting cylinder 5 extends out of the outer sleeve 1 and is fixedly connected with a tooth ring 6, the upper end of the adjusting cylinder 5 extends out of the outer sleeve 1 and is fixedly connected with a rotating ring 7, the lower surface of the handle connecting plate 3 is mounted with a movable clamping plate 8, one end of the movable clamping plate 8 is provided with a clamping tooth 9 engaged with the tooth ring 6, the other end of the movable clamping plate 8 is slidably mounted in a sliding sleeve 10, the sliding sleeve 10 is mounted with a first spring 11, the sliding sleeve 10 is fixed on the handle connecting plate 3, the inner sleeve 2 is provided with a plurality of clamping blocks 12, the outer side of the clamping block 12 is fixedly connected with a sliding rod 13 respectively, the inner sleeve 2 is provided with a through hole 14 for the sliding rod 13 to pass through, the sliding rod 13 is fixedly connected with a contact block 15 after passing through the through hole 14, the inner side of the adjusting cylinder 5 is fixedly connected with a contact ring 16, the inner diameter of the contact ring 16 gradually increases from bottom to top, the sliding rod 13 is sleeved with a second spring 17, the second spring 17 is clamped between the contact block 15 and the inner sleeve 2. Rotate the adjusting cylinder 5, the contact ring 16 rotates and moves up and down, so that the sliding rod 13 moves radially with the change of the inner diameter of the contact position of the contact ring 16, drives the clamping block 12 to move radially, and then realizes variable diameter. After the clamping tooth 9 is engaged with the tooth ring 6, the adjusting cylinder 5 cannot be rotated, so as to realize self-locking after variable diameter.
[0017] Further, the number of the clamping blocks 12 is six, and the six clamping blocks 12 are arranged in a circle around the inner sleeve 2. The six clamping blocks 12 are respectively used to tighten one side of the hexagonal nut.
[0018] Further, the outer diameter of the rotating ring 7 is greater than the outer diameter of the outer sleeve 1, and the outer diameter of the tooth ring 6 is greater than the outer diameter of the outer sleeve 1. The rotating ring 7 and the tooth ring 6 respectively form upper and lower limiting actions to prevent the outer sleeve 1 from being separated from the adjusting cylinder 5.
[0019] Further, the circumferential surface of the rotating ring 7 is provided with a plurality of grooves 18 for increasing the friction of the rotating ring 7, and the grooves 18 are uniformly and spacedly arranged. The fingers can conveniently act on the circumferential surface of the rotating ring 7 to control the rotation of the rotating ring 7.
[0020] Further, the outer side of the contact block 15 is provided with a ball groove 19, and a ball 20 is rotatably mounted in the ball groove 19, and the ball 20 is in contact with the contact ring 16. The ball 20 and the contact ring 16 form a point contact to reduce the friction force received by the contact ring 16 during movement.
[0021] Further, the movable clamping plate 8 is mounted with a finger pressing portion 21. The finger pressing portion 21 can conveniently control the movable clamping plate 8.
[0022] It is worth mentioning that the spring, the ball and other technical features involved in the utility model patent application should be regarded as the prior art, the specific structure, working principle and possible control mode, spatial arrangement mode of these technical features can be selected by using the conventional selection in the field, and should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further specifically expanded and described in detail.
[0023] The preferred embodiments of the utility model are described in detail above, and it should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the utility model, therefore, all the technical solutions obtained by logical analysis, reasoning or limited experiments on the basis of the prior art according to the concept of the utility model should be within the protection scope determined by the claims.
Claims
1. A self-locking variable diameter tool sleeve characterized by, The utility model provides a handle, which comprises an outer sleeve and an inner sleeve, the inner sleeve is arranged coaxially inside the outer sleeve, one side of the outer sleeve is fixedly connected with a handle connecting plate, one side of the inner sleeve is fixedly connected with the handle connecting plate through a plurality of connecting rods, a regulating cylinder is threadedly connected in the outer sleeve, the lower end of the regulating cylinder extends out of the outer sleeve and is fixedly connected with a gear ring, the upper end of the regulating cylinder extends out of the outer sleeve and is fixedly connected with a rotating wheel ring, a movable clamping plate is installed on the lower surface of the handle connecting plate, one end of the movable clamping plate is provided with a clamping tooth that is in gear engagement with the gear ring, the other end of the movable clamping plate is slidably installed in a sliding sleeve, a first spring is installed in the sliding sleeve, the sliding sleeve is fixed on the handle connecting plate, a plurality of clamping blocks are arranged inside the inner sleeve, the outer side of each clamping block is fixedly connected with a sliding rod, a through hole is formed in the inner sleeve for the sliding rods to pass through, the sliding rods are fixedly connected with contact blocks after passing through the through hole, a contact ring is fixedly connected to the inner side of the regulating cylinder, the inner diameter of the contact ring gradually increases from bottom to top, a second spring is sleeved on the sliding rod, and the second spring is clamped between the contact block and the inner sleeve.
2. The self-locking variable diameter tool sleeve of claim 1, wherein, The number of the clamping blocks is six, and the six clamping blocks are arranged in a whole row around the circumference of the inner sleeve.
3. The self-locking variable diameter tool sleeve of claim 1 wherein, The outer diameter of the rotating wheel ring is larger than the outer diameter of the outer sleeve, and the outer diameter of the gear ring is larger than the outer diameter of the outer sleeve.
4. The self-locking variable diameter tool sleeve of claim 3 wherein, A plurality of grooves for increasing the friction of the rotating wheel ring are arranged on the circumferential surface of the rotating wheel ring, and the grooves are uniformly and spacedly arranged.
5. The self-locking variable diameter tool sleeve of claim 1 wherein, The outer side of the contact block is provided with a ball groove, a ball is rotatably installed in the ball groove, and the ball is in contact with the contact ring.
6. The self-locking variable diameter tool sleeve of claim 1 wherein, A finger pressing portion is installed on the movable clamping plate.