Special round nut sleeve

Abstract

The utility model discloses a special round nut sleeve which comprises a sleeve head, a regular polygon connecting seat is integrally formed at the upper end of the sleeve head, a wedging groove is formed in the center of the bottom end of the sleeve head and can be arranged on the outer surface of a round nut in a sleeving mode, the shape of the interior of the wedging groove is imitated to be the shape of the round nut, and the wedging groove is wedged with the round nut. A plurality of protruding blocks are integrally formed on the inner wall of the wedging groove, a plurality of clamping grooves are formed in the outer side face of the round nut, the number of the clamping grooves is the same as that of the protruding blocks, and when the round nut is inserted into the wedging groove, the protruding blocks are clamped into the clamping grooves. According to the special round nut sleeve, the matching groove imitating the shape of a round nut is formed in the sleeve head, so that the sleeve head and the round nut make contact more tightly, the number of acting points is large, the dismounting efficiency can be improved, the phenomenon of slipping and falling in the dismounting process is avoided, and the special round nut sleeve is particularly suitable for dismounting and locking the round nut.

Description

Technical Field

[0001] The utility model belongs to the technical field of wrenches, and in particular relates to a special round nut sleeve. Background Art

[0002] A socket is a wrench that connects a screw and a nut together or disassembles them. For example, a Chinese patent with a publication (announcement) number of CN210060918U discloses a socket wrench, including a barrel and a force handle, one end of the barrel is a striking end, and the other end of the barrel is a striking end; a first channel is provided inside the barrel, the first channel is opened from the striking end and extends inward along the axial direction of the barrel, wherein the cross section of the first channel is a hexagonal structure; a second channel is provided in the barrel, the second channel passes through the outer wall of the barrel, the second channel is perpendicular to the first channel and passes through the axis of the barrel; the force handle is vertically mounted on the barrel through the second channel, and both ends of the force handle protrude from the surface of the barrel;

[0003] Although the socket wrench of the above technical solution can realize the multifunctional operation of tightening the pulley and the nut at the same time, saving the number of tools used in the process of tightening the motor pulley, the operation is simple, and the replacement efficiency is improved, the above wrench is not suitable for disassembling and locking the round nut.

[0004] For this reason, a special round nut sleeve is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a special round nut sleeve to solve the problems raised in the background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A special round nut sleeve comprises a sleeve head, the upper end of the sleeve head is integrally formed with a regular polygonal connecting seat, and a fitting groove is provided at the center of the bottom end of the sleeve head, the fitting groove can be fitted on the outer surface of the round nut, the inner shape of the fitting groove imitates the shape of the round nut, the fitting groove fits with the round nut, a plurality of protrusions are integrally formed on the inner wall of the fitting groove, a plurality of slots are provided on the outer side surface of the round nut, the number of the slots is the same as the number of the protrusions, and the protrusions are inserted into the slots when the round nut is inserted into the fitting groove.

[0008] As a further solution of the utility model, the bottom edge of the sleeve head is chamfered.

[0009] As a further solution of the utility model, the sleeve head and the regular polygonal connecting seat are both made of alloy material.

[0010] As a further solution of the utility model, a handle is movably inserted on the regular polygonal connecting seat.

[0011] As a further solution of the utility model, a threaded hole is provided in the center of the upper end of the regular polygonal connecting seat, the handle is arranged through the threaded hole, a hand screw for tightening the handle is threaded in the threaded hole, and the screw rod of the hand screw can be tightly pressed against the surface of the handle.

[0012] As a further solution of the utility model, a plurality of anti-slip grooves are integrally formed on the edge of the handle of the hand screw.

[0013] As a further solution of the present invention, the handle is made of alloy material.

[0014] Compared with the prior art, the special round nut sleeve provided by the utility model has the following beneficial effects:

[0015] The special round nut sleeve has a fitting groove imitating the shape of the round nut set inside the sleeve head, so that the sleeve head and the round nut are in closer contact, with more points of force, which can improve the disassembly efficiency and prevent slipping and falling off during the disassembly process. The sleeve is particularly suitable for disassembling and locking round nuts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a structural stereoscopic diagram of a specially made round nut sleeve according to an embodiment of the utility model;

[0018] Figure 2 A structural stereoscopic diagram of the specially made round nut sleeve of the embodiment of the utility model from another perspective;

[0019] Figure 3 This is a schematic diagram of the exploded structure of the special round nut sleeve and the round nut according to the embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the special round nut sleeve after adding a hand screw to the embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of the exploded structure of the special round nut sleeve after the hand screw is installed in the embodiment of the utility model.

[0022] Reference numerals:

[0023] 1. Socket head; 2. Handle; 3. Round nut; 31. Slot; 4. Fitting groove; 41. Bump; 5. Regular polygon connector; 51. Threaded hole; 6. Thumb screw; 61. Anti-slip pattern. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the following is a further detailed description of the embodiment of the utility model in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0026] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0027] See attached Figure 1 -Attached Figure 5 As shown, the present embodiment provides a special round nut sleeve, comprising: a sleeve head 1, a regular polygonal connecting seat 5 is integrally formed on the upper end of the sleeve head 1, and a fitting groove 4 is provided at the center of the bottom end of the sleeve head 1, the fitting groove 4 can be sleeved on the outer surface of the round nut 3, the inner shape of the fitting groove 4 imitates the shape of the round nut, the fitting groove 4 fits with the round nut 3, a plurality of protrusions 41 are integrally formed on the inner wall of the fitting groove 4, a plurality of card slots 31 are provided on the outer surface of the round nut 3, the number of the card slots 31 is the same as the number of the protrusions 41, and when the round nut 3 is inserted into the fitting groove 4, the protrusion 41 is inserted into the card slot 31.

[0028] By arranging a fitting groove 4 imitating the shape of the circular nut 3 inside the sleeve head 1, the sleeve head 1 and the circular nut 3 are in closer contact, with more points of force, which can improve the disassembly efficiency and prevent slipping and falling off during the disassembly process. It is particularly suitable for disassembling and locking circular nuts.

[0029] In order to prevent the bottom edge of the sleeve head 1 from scratching the hand, the bottom edge of the sleeve head 1 is chamfered.

[0030] Specifically, in the present embodiment, the sleeve head 1 and the regular polygonal connecting seat 5 are made of alloy materials, so that the hardness of the sleeve head 1 and the regular polygonal connecting seat 5 is effectively enhanced, and will not be damaged by frequent use in a short period of time, thereby extending their service life. For round nuts of the same size, they can be used for different models, thereby improving compatibility and facilitating operation, meeting the disassembly requirements of most round nuts on the market, and can be used flexibly to improve practicality.

[0031] Specifically, in this embodiment, in order to facilitate the operation of the special round nut sleeve, a handle 2 is movably inserted on the regular polygonal connecting seat 5.

[0032] Specifically, in this embodiment, in order to lock the position of the handle 2, a threaded hole 51 is opened in the center of the upper end of the regular polygonal connecting seat 5, the handle 2 is passed through the threaded hole 51, and a hand screw 6 for tightening the handle 2 is threaded in the threaded hole 51, and the screw rod of the hand screw 6 can be tightly pressed against the surface of the handle 2.

[0033] Specifically, in this embodiment, in order to improve the anti-slip performance of the handle of the hand screw 6 , a plurality of anti-slip grooves 61 are integrally formed on the edge of the handle of the hand screw 6 .

[0034] Specifically, in this embodiment, in order to increase the service life of the handle 2, the handle 2 is made of alloy material.

[0035] It is worth noting that the above alloy materials include but are not limited to iron alloys, aluminum alloys, copper alloys, titanium and titanium alloy materials.

[0036] Working principle: insert the fitting groove 4 at the bottom end of the socket head 1 into the circular nut 3. Since the inside of the fitting groove 4 imitates the shape of the circular nut, the circular nut 3 can be effectively clamped. Adjust the position of the handle 2 on the regular polygonal connecting seat 5 according to the required force, and then tighten it with the hand screw 6. The circular nut 3 can be disassembled and assembled by rotating the handle 2 around the socket head 1.

[0037] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A special round nut sleeve, characterized in that: include: A sleeve head (1), wherein the upper end of the sleeve head (1) is integrally formed with a regular polygonal connecting seat (5), and a fitting groove (4) is provided at the center of the bottom end of the sleeve head (1), wherein the fitting groove (4) can be fitted onto the outer surface of a circular nut (3), wherein the inner shape of the fitting groove (4) imitates the outer shape of a circular nut, wherein the fitting groove (4) fits with the circular nut (3), wherein a plurality of protrusions (41) are integrally formed on the inner wall of the fitting groove (4), and a plurality of slots (31) are provided on the outer surface of the circular nut (3), wherein the number of the slots (31) is the same as the number of the protrusions (41), and when the circular nut (3) is inserted into the fitting groove (4), the protrusions (41) are inserted into the slots (31).

2. A special round nut sleeve according to claim 1, characterized in that: The bottom edge of the sleeve head (1) is chamfered.

3. A special round nut sleeve according to claim 2, characterized in that: The sleeve head (1) and the regular polygonal connecting seat (5) are both made of alloy material.

4. A special round nut sleeve according to claim 3, characterized in that: A handle (2) is movably inserted on the regular polygonal connecting seat (5).

5. A special round nut sleeve according to claim 4, characterized in that: A threaded hole (51) is provided in the center of the upper end of the regular polygonal connecting seat (5), and the handle (2) is arranged to pass through the threaded hole (51). A hand screw (6) for tightening the handle (2) is threaded into the threaded hole (51), and the screw rod of the hand screw (6) can be tightly pressed against the surface of the handle (2).

6. A special round nut sleeve according to claim 5, characterized in that: The handle edge of the hand screw (6) is integrally formed with a plurality of anti-slip grooves (61).

7. A special round nut sleeve according to claim 5, characterized in that: The handle (2) is made of alloy material.

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