Matching-free shaft sleeve

Abstract

The utility model discloses a matching-free shaft sleeve, which belongs to the technical field of shaft sleeves and comprises a shaft sleeve body, a replaceable sleeve is arranged on the shaft sleeve body, a plurality of bolts are vertically arranged on the outer surface of the replaceable sleeve, a plurality of sliding grooves are formed in the inner surface of the shaft sleeve body, the bolts are in sliding connection with the sliding grooves, and a limiting assembly is arranged on the shaft sleeve body. The limiting assembly comprises a containing groove and a limiting block, a guide rod is fixedly arranged in the containing groove, the limiting block slides on the guide rod, a limiting groove is correspondingly formed in the replacement sleeve, and when one end of the limiting block slides into the limiting groove, the other end of the limiting block is located in the containing groove. The shaft sleeve has the advantage that the applicability of the shaft sleeve is improved.

Description

Technical Field

[0001] This utility model relates to the field of bushing technology, specifically to a bushing that does not require matching. Background Technology

[0002] A bushing is a sleeve on a propeller shaft or stern shaft. It is a mechanical part widely used in various mechanical equipment. Its main functions are to protect the shaft, reduce friction, fix components, and provide mechanical stops, thereby improving the operating efficiency and lifespan of the equipment.

[0003] A bushing is typically a cylindrical or ring-shaped metal or plastic part. When in use, place the bushing on the shaft, ensuring that the bushing is installed vertically and avoiding tilting or unevenness. Apply appropriate lubricant to the surfaces of the shaft and bushing to reduce friction and wear, protect the shaft, and reduce friction during movement.

[0004] However, the diameter of the bushing cannot be changed, and it can only be installed on shafts of the same diameter, which cannot adapt to changing needs, resulting in poor adaptability of the bushing.

[0005] Based on this, the present invention designs a bushing-free design to solve the above problems. Utility Model Content

[0006] To achieve the above objectives, the present invention provides the following technical solution: the bushing body is provided with a replacement sleeve, the outer surface of the replacement sleeve is vertically provided with a plurality of pins, the inner surface of the bushing body is provided with a plurality of sliding grooves, the pins are slidably connected to the sliding grooves, the bushing body is provided with a limiting component, the limiting component includes a receiving groove and a limiting block, a guide rod is fixedly provided in the receiving groove, the limiting block slides on the guide rod, the replacement sleeve is correspondingly provided with a limiting groove, when one end of the limiting block slides into the limiting groove, the other end of the limiting block is located in the receiving groove.

[0007] By adopting the above technical solution, the limiting block is pushed so that it slides back from the limiting groove to the receiving groove along the guide rod. This ensures that the sliding path between the bushing body and the replacement sleeve is not blocked by the limiting block, allowing the replacement sleeve to be pushed out of the bushing body. This increases the overall internal diameter of the sleeve. When dealing with shafts of different diameters, the overall internal diameter of the sleeve can be changed by disassembling the replacement sleeve, making the sleeve more versatile.

[0008] Preferably, the width of the limiting groove is gradually reduced towards the side away from the bushing body.

[0009] By adopting the above technical solution, after the limiting block enters the limiting groove, the connection between the limiting groove and the limiting block is tighter, making it less likely for the limiting block to detach from the limiting groove and increasing the stability of the bushing.

[0010] Preferably, the limiting components are respectively arranged diagonally on both sides of the bushing body.

[0011] By adopting the above technical solution, the force exerted by the limiting component on the bushing body and the replacement sleeve is more uniform, thereby enhancing the stability of the bushing.

[0012] Preferably, an elastic layer is provided in the limiting groove, and when the limiting block is located in the limiting groove, the elastic layer presses against both sides of the limiting block.

[0013] By adopting the above technical solution, the connection between the limiting block and the limiting groove is made tighter, which further increases the stability of the limiting component.

[0014] Preferably, a toggle block is fixedly provided on the upper surface of the limiting block.

[0015] By adopting the above technical solution, the sliding of the limit block becomes easier and less strenuous, making the use of the limit device more convenient.

[0016] In summary, this application has the following beneficial technical effects: by pushing the limiting block, the limiting block slides back from the limiting groove to the receiving groove along the guide rod, so that the sliding path between the bushing body and the replacement sleeve is not blocked by the limiting block, the replacement sleeve can be pushed out from the bushing body, thereby increasing the overall internal diameter of the bushing. When dealing with shafts of different diameters, the overall internal diameter of the sleeve can be changed by disassembling the replacement sleeve, making the sleeve more widely applicable. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0019] Figure 2 This is a schematic diagram of the disassembly structure of the bushing body and the replacement sleeve in this embodiment;

[0020] Figure 3 This is a schematic diagram of the limiting component structure in this embodiment.

[0021] The attached diagram lists the components represented by each number as follows:

[0022] 1. Bushing body; 2. Replacement sleeve; 3. Limiting block; 4. Actuating block; 5. Limiting groove; 6. Pin; 7. Slide groove; 8. Elastic layer; 9. Receiving groove; 10. Guide rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0025] A bushing without a matching sleeve includes a bushing body 1, a replacement sleeve 2 provided on the bushing body 1, a plurality of pins 6 vertically provided on the outer surface of the replacement sleeve 2, a plurality of sliding grooves 7 provided on the inner surface of the bushing body 1, the pins 6 being slidably connected to the sliding grooves 7, a limiting component provided on the bushing body 1, the limiting component including a receiving groove 9 and a limiting block 3, a guide rod 10 fixedly provided in the receiving groove 9, the limiting block 3 sliding on the guide rod 10, and a corresponding limiting groove 5 provided on the replacement sleeve 2.

[0026] In use, first push the limiting block 3 so that it slides from the limiting groove 5 to the receiving groove 9. The limiting block 3 slides along the guide rod 10 until it is fully inserted into the receiving groove 9. At this time, the sliding path between the bushing body 1 and the replacement sleeve 2 is not blocked by the limiting block 3. Push the replacement sleeve 2, and the pin 6 starts to slide along the sliding groove 7. The replacement sleeve 2 can then be disassembled from the inside of the bushing body 1. At this time, the overall internal diameter of the bushing increases. When facing shafts of different diameters, the internal diameter of the sleeve can be changed by disassembling the replacement sleeve 2, making the bushing more versatile and easier to disassemble and assemble.

[0027] The width of the limiting groove 5 gradually decreases towards the side away from the bushing body 1. An elastic layer 8 is provided in the limiting groove 5. When installing the replacement sleeve 2, the limiting block 3 is pushed into the limiting groove 5. The force on both sides of the limiting block 3 will become greater and greater, and the connection between the limiting block 3 and the limiting groove 5 will become tighter and tighter, making it more difficult for the limiting block 3 to fall out of the limiting groove 5, and making the limiting effect of the limiting component more stable.

[0028] The limiting components are diagonally arranged on both sides of the bushing body 1, which makes the force exerted by the limiting components on the bushing body 1 and the replacement sleeve 2 more uniform, so that the replacement sleeve 2 can be stably limited in the bushing body 1 by the limiting components, thus enhancing the stability of the bushing; the upper surface of the limiting block 3 is fixedly provided with a toggle block 4, which makes the sliding of the limiting block 3 easier and less strenuous, thus increasing the ease of use of the limiting device.

[0029] The implementation principle of this embodiment is as follows: When choosing to increase the inner diameter of the bushing, first push the limiting block 3 so that the limiting block 3 slides from the limiting groove 5 to the receiving groove 9. The limiting block 3 slides along the guide rod 10 until the limiting block 3 is completely inserted into the receiving groove 9. At this time, the sliding path between the bushing body 1 and the replacement sleeve 2 is not blocked by the limiting block 3. Push the replacement sleeve 2, and the pin 6 starts to slide along the sliding groove 7. The replacement sleeve 2 can then be disassembled and removed from the inside of the bushing body 1. At this time, the overall inner diameter of the bushing increases. When facing shafts of different diameters, the change of the inner diameter of the sleeve can be completed by disassembling the replacement sleeve 2.

[0030] When reducing the inner diameter of the bushing, the pin 6 on the replacement sleeve 2 can be aligned with the groove 7 on the bushing body 1 and pushed in, so that the replacement sleeve 2 is fully inserted into the bushing body 1. When the two ends of the replacement sleeve 2 and the bushing are aligned, the limiting block 3 is pushed, so that the limiting block 3 slides along the guide rod 10 into the limiting groove 5. After the limiting block 3 enters the limiting groove 5, the elastic layer 8 in the limiting groove 5 will press against the limiting block 3. At this time, one end of the limiting block 3 is located in the limiting groove 5, and the other end is located in the receiving groove 9. The limiting block 3 is located between the bushing body 1 and the replacement sleeve 2, so that the replacement sleeve 2 no longer slides, and the overall inner diameter of the bushing is reduced.

[0031] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bushing that does not require matching, comprising a bushing body (1), characterized in that: The bushing body (1) is provided with a replacement sleeve (2). Several pins (6) are vertically arranged on the outer surface of the replacement sleeve (2). Several sliding grooves (7) are opened on the inner surface of the bushing body (1). The pins (6) are slidably connected to the sliding grooves (7). A limiting component is provided on the bushing body (1). The limiting component includes a receiving groove (9) and a limiting block (3). A guide rod (10) is fixedly arranged in the receiving groove (9). The limiting block (3) slides on the guide rod (10). A corresponding limiting groove (5) is opened on the replacement sleeve (2). When one end of the limiting block (3) slides into the limiting groove (5), the other end of the limiting block (3) is located in the receiving groove (9).

2. The bushing without matching parts according to claim 1, characterized in that: The width of the limiting groove (5) is gradually reduced towards the side away from the bushing body (1).

3. The bushing without matching parts according to claim 1, characterized in that: The limiting components are respectively arranged diagonally on both sides of the bushing body (1).

4. The bushing without matching parts according to claim 1, characterized in that: An elastic layer (8) is provided in the limiting groove (5). When the limiting block (3) is located in the limiting groove (5), the elastic layer (8) presses against both sides of the limiting block (3).

5. The bushing without matching parts according to claim 1, characterized in that: A toggle block (4) is fixedly provided on the upper surface of the limiting block (3).

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