Combined sleeve

Abstract

The utility model belongs to the technical field of sleeves, and particularly relates to a combined sleeve which comprises an outer sleeve, a middle sleeve is arranged on the inner wall of the outer sleeve in an attached mode, an inner sleeve is arranged on the inner wall of the middle sleeve in an attached mode, and positioning grooves are formed in the inner wall of the outer sleeve and the inner wall of the middle sleeve. Positioning blocks are fixedly connected to the surface of the middle sleeve and the surface of the inner sleeve, the surfaces of the positioning blocks are attached to the inner wall of the positioning groove, a U-shaped support is fixedly connected to the upper surface of the outer sleeve, a threaded column is fixedly connected to the inner wall of the U-shaped support, and a cylinder is attached to the surface of the threaded column. According to the combined sleeve, the outer sleeve, the middle sleeve and the inner sleeve are combined together, so that the combined sleeve can be matched with three different types of bolts or nuts, and meanwhile, the connecting piece on the combined sleeve can be quickly replaced after being damaged through the cooperation of the mounting plate, the C-shaped plate, the connecting piece, the clamping groove, the clamping column, the hollow circular plate and the second nut.

Description

Technical Field

[0001] This utility model belongs to the field of sleeve technology, specifically relating to a combined sleeve. Background Technology

[0002] A socket is short for a socket wrench. Because it fits over various wrenches and is cylindrical in shape, it is commonly called a socket and is a frequently used tool in production, maintenance, and daily life. Sockets are suitable for tightening bolts or nuts in very confined or deeply recessed areas. They can be divided into cold-extruded sockets, tapered thread sockets, and straight thread sockets. A socket consists of multiple sockets with hexagonal or dodecagonal holes and is equipped with handles, extension rods, and other accessories.

[0003] However, currently, because the shape of the inner wall of the socket is fixed, the socket can only be used with specific types of bolts or nuts, thus limiting its applicability. In addition, since the connector used to connect the socket to the wrench is usually integrated with the socket, if the connector is damaged, it cannot be replaced, rendering the entire socket unusable. Utility Model Content

[0004] The purpose of this utility model is to provide a modular socket, which solves the problem that the fixed shape of the inner wall of the socket means that the socket can only be used with a specified type of bolt or nut, thus limiting the scope of application of the socket. At the same time, it solves the problem that the connecting part used to connect to the wrench on the socket is usually integrated with the socket, and when the connecting part is damaged, it cannot be replaced, thus rendering the entire socket unusable.

[0005] The specific technical solution adopted by this utility model is as follows:

[0006] A combined sleeve includes an outer sleeve, a middle sleeve fitted to the inner wall of the outer sleeve, and an inner sleeve fitted to the inner wall of the middle sleeve. Positioning grooves are formed on the inner walls of both the outer and middle sleeves. Positioning blocks are fixedly connected to the surfaces of the middle and inner sleeves, with the surfaces of the positioning blocks fitting against the inner walls of the positioning grooves. A U-shaped bracket is fixedly connected to the upper surface of the outer sleeve. A threaded post is fixedly connected to the inner wall of the U-shaped bracket. A cylinder is fitted to the surface of the threaded post, and the bottom of the cylinder is fixedly connected to the upper surface of the inner sleeve. An annular groove is formed on the surface of the cylinder, and an arc-shaped post is fitted to the inner wall of the annular groove. A connecting post is fixedly connected to the upper surface of the arc-shaped post, and a first nut is fixedly connected to the upper surface of the connecting post. The inner wall of the first nut is threadedly connected to the surface of the threaded post. A spring is fixedly connected to the upper surface of the middle sleeve, and connecting blocks are fixedly connected to the upper surface of the spring and the left and right sides of the inner wall of the U-shaped bracket.

[0007] The present invention is further configured such that the axis of the spring coincides with the axis of the middle sleeve, and the elastic force of the spring is greater than the sum of the weights of the middle sleeve and the positioning block.

[0008] The present invention is further configured such that an mounting plate is fixedly connected to the upper surface of the U-shaped bracket, a C-shaped plate is attached to the surface of the mounting plate, a connector is fixedly connected to the upper surface of the C-shaped plate, a slot is provided at the bottom of the C-shaped plate, a locking post is attached to the inner wall of the slot, a hollow circular plate is fixedly connected to the bottom of the locking post, a second nut is attached to the bottom of the hollow circular plate, and the inner wall of the second nut is threadedly connected to the surface of the threaded post.

[0009] The present invention is further configured such that a magnetic ring is fixedly connected to the upper surface of the hollow circular plate, and the upper surface of the magnetic ring is in contact with the inner wall of the U-shaped bracket.

[0010] The present invention is further configured such that the axis of the magnetic ring coincides with the axis of the threaded column, and the magnetic ring's attraction to the U-shaped bracket is greater than the sum of the weights of the magnetic ring, the hollow circular plate, and the locking column.

[0011] The present invention is further configured such that the centers of the connector, the threaded post, and the inner sleeve are all on the same vertical line.

[0012] The technical effects achieved by this utility model are as follows:

[0013] This utility model discloses a combined sleeve that combines an outer sleeve, a middle sleeve, and an inner sleeve. Through the cooperation of the outer sleeve, middle sleeve, inner sleeve, positioning groove, positioning block, U-shaped bracket, threaded column, cylinder, annular groove, arc-shaped column, connecting column, first nut, spring, and connecting block, the user can change the position of the middle sleeve and inner sleeve by rotating the first nut. Thus, the combined sleeve can be adapted to three different types of bolts or nuts.

[0014] This utility model provides a modular sleeve that, through the cooperation of a mounting plate, a C-shaped plate, a connector, a slot, a locking post, a hollow circular plate, and a second nut, allows the user to assemble and disassemble the connector by rotating the second nut. This enables the modular sleeve to be quickly replaced after the connector is damaged, and the modular sleeve can continue to be used by replacing the connector. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a front view of the structure of this utility model;

[0017] Figure 3 yes Figure 2 Sectional view at point AA;

[0018] Figure 4 This is a top view of the outer sleeve, middle sleeve, and inner sleeve of this utility model;

[0019] Figure 5 yes Figure 4 Sectional view at point BB;

[0020] Figure 6 This is a front view of the cylinder in this utility model;

[0021] Figure 7 This is a bottom view of the first nut in this utility model;

[0022] Figure 8 This is a bottom view of the C-shaped plate in this utility model;

[0023] Figure 9 This is a top view of the hollow circular plate in this utility model.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Outer sleeve; 2. Middle sleeve; 3. Inner sleeve; 4. Positioning groove; 5. Positioning block; 6. U-shaped bracket; 7. Threaded column; 8. Cylinder; 9. Annular groove; 10. Arc-shaped column; 11. Connecting column; 12. First nut; 13. Spring; 14. Connecting block; 15. Mounting plate; 16. C-shaped plate; 17. Connector; 18. Slot; 19. Slot; 20. Hollow circular plate; 21. Second nut; 22. Magnetic ring. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] like Figures 1 to 7As shown, a combined sleeve includes an outer sleeve 1, a middle sleeve 2 fitted to the inner wall of the outer sleeve 1, and an inner sleeve 3 fitted to the inner wall of the middle sleeve 2. Positioning grooves 4 are formed on the inner walls of both the outer sleeve 1 and the middle sleeve 2. Positioning blocks 5 are fixedly connected to the surfaces of both the middle sleeve 2 and the inner sleeve 3, with the surfaces of the positioning blocks 5 fitting against the inner walls of the positioning grooves 4. A U-shaped bracket 6 is fixedly connected to the upper surface of the outer sleeve 1, and a threaded post 7 is fixedly connected to the inner wall of the U-shaped bracket 6. The surface of the threaded post 7 is fitted with... The cylinder 8 has its bottom fixedly connected to the upper surface of the inner sleeve 3. The surface of the cylinder 8 has an annular groove 9. An arc-shaped column 10 is fitted into the inner wall of the annular groove 9. A connecting column 11 is fixedly connected to the upper surface of the arc-shaped column 10. A first nut 12 is fixedly connected to the upper surface of the connecting column 11. The inner wall of the first nut 12 is threadedly connected to the surface of the threaded column 7. A spring 13 is fixedly connected to the upper surface of the middle sleeve 2. Connecting blocks 14 are fixedly connected to the upper surface of the spring 13 and the left and right sides of the inner wall of the U-shaped bracket 6.

[0029] The axis of spring 13 coincides with the axis of the middle sleeve 2, and the elastic force of spring 13 is greater than the sum of the weights of the middle sleeve 2 and the positioning block 5.

[0030] It should be noted that, through the cooperation of the annular groove 9 and the arc-shaped column 10, when the first nut 12 rotates, the cylinder 8 can move upward or downward along with the first nut 12. When the cylinder 8 moves upward, the inner sleeve 3 moves upward through the cylinder 8, and through the elastic force of the spring 13, the middle sleeve 2 does not move upward with the inner sleeve 3. When the upper surface of the positioning block 5 on the inner sleeve 3 is in contact with the inner wall of the positioning groove 4 on the middle sleeve 2, through the cooperation of the positioning groove 4 and the positioning block 5, the inner sleeve 3, which continues to move upward, can drive the middle sleeve 2 to move upward. When the cylinder 8 moves downward, the inner sleeve 3 moves downward through the cylinder 8, and through the elastic force of the spring 13, the middle sleeve 2 moves downward along with the inner sleeve 3. Through the cooperation of the positioning groove 4 and the positioning block 5, the positions of the middle sleeve 2 and the inner sleeve 3 can be positioned.

[0031] like Figures 1 to 9 As shown, a mounting plate 15 is fixedly connected to the upper surface of the U-shaped bracket 6. A C-shaped plate 16 is attached to the surface of the mounting plate 15. A connector 17 is fixedly connected to the upper surface of the C-shaped plate 16. A slot 18 is opened at the bottom of the C-shaped plate 16. A locking post 19 is attached to the inner wall of the slot 18. A hollow circular plate 20 is fixedly connected to the bottom of the locking post 19. A second nut 21 is attached to the bottom of the hollow circular plate 20. The inner wall of the second nut 21 is threadedly connected to the surface of the threaded post 7. A magnetic ring 22 is fixedly connected to the upper surface of the hollow circular plate 20. The upper surface of the magnetic ring 22 is attached to the inner wall of the U-shaped bracket 6.

[0032] Among them, the axis of the magnetic ring 22 coincides with the axis of the threaded column 7, the attraction of the magnetic ring 22 on the U-shaped bracket 6 is greater than the sum of the weights of the magnetic ring 22, the hollow circular plate 20 and the locking column 19, and the centers of the connector 17, the threaded column 7 and the inner sleeve 3 are all on the same vertical line.

[0033] It should be noted that when the locking pin 19 is inserted into the slot 18, the magnetic ring 22's attraction to the U-shaped bracket 6 prevents the locking pin 19 from automatically separating from the slot 18. At the same time, when the second nut 21 is turned to the highest point, the locking pin 19 is fixed in the slot 18 by the second nut 21, and the connector 17 can be fixed on the U-shaped bracket 6 by the cooperation of the locking pin 19 and the slot 18. When the second nut 21 is turned to the lowest point, the locking pin 19 can be separated from the slot 18 by moving the hollow circular plate 20 down, and the connector 17 can be removed from the U-shaped bracket 6 by pushing the connector 17 horizontally.

[0034] The working principle of this utility model is as follows: First, the handle is connected to the combined sleeve via the connector 17. Then, the nut or bolt to be tightened is turned through the combined sleeve. When the inner sleeve 3 is needed, it is placed on the nut or bolt to be tightened. When the middle sleeve 2 is needed, the cylinder 8 moves upward under the cooperation of the first nut 12, the threaded post 7, the annular groove 9, the arc-shaped post 10, and the connecting post 11. The upward movement of the cylinder 8 allows... The bottom of the inner sleeve 3 is higher than the bottom of the middle sleeve 2. At this time, the middle sleeve 2 can be directly fitted onto the nut or bolt to be tightened. When the outer sleeve 1 is needed, by rotating the first nut 12, the cylinder 8 continues to move upward with the cooperation of the first nut 12, the threaded column 7, the annular groove 9, the arc-shaped column 10 and the connecting column 11. Then, through the cooperation of the positioning groove 4 and the positioning block 5, the upward-moving inner sleeve 3 can drive the middle sleeve 2 to move upward. When the bottom of the middle sleeve 2 is higher than the bottom of the outer sleeve 1, the outer sleeve 1 can be directly fitted onto the nut or bolt to be tightened.

[0035] When it is necessary to move the middle sleeve 2 and the inner sleeve 3 back to their initial positions, the cylinder 8 is moved downward by rotating the first nut 12, the threaded column 7, the annular groove 9, the arc-shaped column 10 and the connecting column 11. Then, the inner sleeve 3 is moved downward by the downward moving cylinder 8, and the middle sleeve 2 is also moved downward by the elastic force of the spring 13.

[0036] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A modular sleeve characterized by: The application relates to a sleeve device, which comprises an outer sleeve (1), the inner wall of the outer sleeve (1) being provided with a middle sleeve (2), the inner wall of the middle sleeve (2) being provided with an inner sleeve (3), the inner wall of the outer sleeve (1) and the inner wall of the middle sleeve (2) being provided with positioning grooves (4), the surface of the middle sleeve (2) and the surface of the inner sleeve (3) being fixedly connected with positioning blocks (5), the surface of the positioning blocks (5) being attached to the inner wall of the positioning grooves (4), the upper surface of the outer sleeve (1) being fixedly connected with a U-shaped support (6), the inner wall of the U-shaped support (6) being fixedly connected with a threaded column (7), the surface of the threaded column (7) being provided with a cylinder (8), the bottom of the cylinder (8) being fixedly connected with the upper surface of the inner sleeve (3), the surface of the cylinder (8) being provided with an annular groove (9), the inner wall of the annular groove (9) being provided with an arc-shaped column (10), the upper surface of the arc-shaped column (10) being fixedly connected with a connecting column (11), the upper surface of the connecting column (11) being fixedly connected with a first nut (12), the inner wall of the first nut (12) being threadedly connected with the surface of the threaded column (7), the upper surface of the middle sleeve (2) being fixedly connected with a spring (13), and the upper surface of the spring (13) and the left and right sides of the inner wall of the U-shaped support (6) being fixedly connected with connecting blocks (14).

2. A combination sleeve according to claim 1, wherein: The axis of the spring (13) coincides with the axis of the middle sleeve (2), and the elastic force of the spring (13) is greater than the gravity sum of the middle sleeve (2) and the positioning blocks (5).

3. A combination sleeve according to claim 1, wherein: The upper surface of the U-shaped support (6) is fixedly connected with a mounting plate (15), the surface of the mounting plate (15) is provided with a C-shaped plate (16), the upper surface of the C-shaped plate (16) is fixedly connected with a connecting piece (17), the bottom of the C-shaped plate (16) is provided with a clamping groove (18), the inner wall of the clamping groove (18) is provided with a clamping column (19), the bottom of the clamping column (19) is fixedly connected with a hollow circular plate (20), the bottom of the hollow circular plate (20) is provided with a second nut (21), and the inner wall of the second nut (21) is threadedly connected with the surface of the threaded column (7).

4. A combination sleeve according to claim 3, wherein: The upper surface of the hollow circular plate (20) is fixedly connected with a magnetic ring (22), and the upper surface of the magnetic ring (22) is attached to the inner wall of the U-shaped support (6).

5. A combination sleeve according to claim 4, wherein: The axis of the magnetic ring (22) coincides with the axis of the threaded column (7), and the suction force of the magnetic ring (22) on the U-shaped support (6) is greater than the gravity sum of the magnetic ring (22), the hollow circular plate (20) and the clamping column (19).

6. A combination sleeve according to claim 3, wherein: The centers of the connecting piece (17), the threaded column (7) and the inner sleeve (3) are on the same vertical line.

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