A replaceable gear

Abstract

This utility model discloses a replaceable gear, including a gear body, a central cylinder, and an auxiliary mechanism. The gear body has teeth on its exterior and a through hole. The central cylinder is slidably inserted into the inner cavity of the through hole. The central cylinder has an assembly hole inside. The auxiliary mechanism is located on the gear body and is used to fix the central cylinder to the gear body. The auxiliary mechanism includes a positioning seat and a positioning pin. The positioning seat is fixedly connected to the exterior of the central cylinder. This utility model utilizes the mutual cooperation of the central cylinder, assembly hole, positioning seat, positioning pin, and rotating head. Multiple central cylinders are provided, and their internal assembly holes have different sizes. The positioning seat and positioning pin position the central cylinder for installation on the gear body, and the locking pin limits the relative position of the positioning pin and the fixing ring. This facilitates the installation and disassembly of central cylinders with different internal dimensions to adapt to different sized shafts, improving the gear's adaptability.

Description

Technical Field

[0001] This utility model relates to the field of gears, and in particular to a replaceable gear. Background Technology

[0002] A gear is typically a mechanical component with teeth on its rim that can transmit motion and power through continuous meshing. The core function of a gear is to transmit power or motion through the meshing of its teeth.

[0003] Gears in the prior art typically include a gear body, gear teeth, and a central mounting hole. The gear teeth are arranged in a ring around the outside of the gear body, and the central mounting hole is located in the middle of the gear body.

[0004] When in use, the central mounting hole on the gear body is inserted into the shaft, and then the gear body and the shaft are fixed to install and use the gear. However, the central mounting hole on the gear body usually has a fixed internal size, which means it can only be used with shafts of the corresponding size, thus limiting the use of the gear. Therefore, it is necessary to adapt and adjust the size of the central mounting hole according to the requirements of the gear. Utility Model Content

[0005] The purpose of this invention is to provide a replaceable gear to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a replaceable gear, comprising:

[0007] A gear body, wherein the outer surface of the gear body is provided with gear teeth;

[0008] The central cylinder has a through hole on the side of the gear body, and the central cylinder is slidably inserted into the inner cavity of the through hole. The interior of the central cylinder has an assembly hole.

[0009] An auxiliary mechanism is located on the gear body and is used to fix the central cylinder to the gear body.

[0010] Preferably, the auxiliary mechanism includes:

[0011] A positioning seat, which is fixedly connected to the outside of the central cylinder;

[0012] A positioning post, which is fixedly inserted and connected inside the positioning seat;

[0013] A fixed ring is fixedly connected to the other side of the gear body, and the central cylinder is slidably inserted into the inner cavity of the fixed ring;

[0014] A locking pin is located on a fixing ring, and the end of the locking pin is located on a central cylinder.

[0015] Preferably, the auxiliary mechanism further includes:

[0016] The mounting hole is located on the side of the gear body, and the positioning pin is slidably inserted into the inner cavity of the mounting hole.

[0017] An auxiliary component, located on the fixing ring, is used to protect the locking pin from rotation.

[0018] The reinforcing member is located on the center cylinder and is used to reinforce the installation of the center cylinder.

[0019] Preferably, the side of the fixing ring is provided with a mounting groove, the positioning post is slidably inserted into the inner cavity of the mounting groove, the inner wall of the mounting groove is provided with a circular hole, the locking post is threadedly inserted into the inner cavity of one of the circular holes, the locking post is slidably inserted into the inner cavity of the other circular hole, the positioning post is provided with a limit hole on the outside, the locking post is slidably inserted into the inner cavity of the limit hole, and the outer side of the central cylinder is fixedly embedded with a mounting seat in a ring array, the end of the locking post is threadedly inserted into the inner cavity of the mounting seat.

[0020] Preferably, the auxiliary component includes:

[0021] A connecting plate, which is fixedly connected to the other end of the locking pin;

[0022] A rotating head, which is fixedly connected to the side of the connecting plate;

[0023] A fixed cylinder, which is fixedly connected to the outside of a fixed ring;

[0024] An assembly cylinder is slidably sleeved on the outside of a fixed cylinder. A rubber cylinder is fixedly connected to the inner wall of the assembly cylinder, and the inner wall of the rubber cylinder is in contact with the outside of the fixed cylinder.

[0025] Preferably, the reinforcement component includes:

[0026] A reinforcing plate, which is fixedly connected to the outside of the central cylinder;

[0027] The reinforcing column has its end fixedly connected to the gear body, and its outer wall is slidably inserted into the reinforcing plate.

[0028] The technical effects and advantages of this utility model are as follows:

[0029] This invention utilizes the cooperation of a central cylinder, assembly holes, positioning seats, positioning pins, fixing rings, locking pins, mounting seats, connecting plates, and rotating heads. Multiple central cylinders are provided, and the sizes of their internal assembly holes vary. The positioning seats and positioning pins position the central cylinders for installation on the gear body, and the positioning pins are connected to the fixing rings. The locking pins limit the relative positions of the positioning pins and the fixing rings, thereby facilitating the installation and disassembly of central cylinders with different internal dimensions to adapt to the use of shafts of different sizes and improve the adaptability of the gears. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0031] Figure 2 This is a side view of the present invention.

[0032] Figure 3 This is a side sectional view of the fixed cylinder of this utility model.

[0033] In the diagram: 1. Gear body; 2. Gear teeth; 3. Central cylinder; 4. Assembly hole; 5. Auxiliary mechanism; 51. Positioning seat; 52. Positioning pin; 53. Fixing ring; 54. Locking pin; 55. Mounting seat; 56. Connecting plate; 57. Rotating head; 58. Fixing cylinder; 59. Assembly cylinder; 510. Rubber cylinder; 511. Reinforcing plate; 512. Reinforcing pin. Detailed Implementation

[0034] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] This utility model provides, for example Figure 1-3 The image shows a replaceable gear.

[0036] Example 1: Includes a gear body 1, a central cylinder 3, and an auxiliary mechanism 5. Multiple central cylinders 3 are provided, and the mounting holes 4 of each central cylinder 3 are of different sizes, corresponding to shafts of different sizes. The central cylinder 3 facilitates connection with the shaft for mounting the gear body 1. Gear teeth 2 are provided on the outside of the gear body 1, and a through hole is opened on the side of the gear body 1. The central cylinder 3 is slidably inserted into the inner cavity of the through hole. The interior of the central cylinder 3 is provided with mounting holes 4. The auxiliary mechanism 5 is located on the gear body 1 and is used to fix the central cylinder 3 to the gear body 1.

[0037] Furthermore, the auxiliary mechanism 5 includes a positioning seat 51, a positioning post 52, a fixing ring 53, and a locking post 54. The positioning seat 51 and the positioning post 52 facilitate the positioning and support of the central cylinder 3. The fixing ring 53 facilitates connection with the positioning post 52, making it easy to install the positioning post 52. The locking post 54 helps to limit the relative position of the positioning post 52 and the fixing ring 53, thereby facilitating the installation and disassembly of the central cylinder 3 and making it easy to replace the central cylinder 3 so that the gear body 1 can be adapted to different shafts. The positioning seat 51 is fixedly connected to the outside of the central cylinder 3, the positioning post 52 is fixedly inserted into the inside of the positioning seat 51, the fixing ring 53 is fixedly connected to the other side of the gear body 1, the central cylinder 3 is slidably inserted into the inner cavity of the fixing ring 53, and the locking post 54 is located on the fixing ring 53, with the end of the locking post 54 located on the central cylinder 3.

[0038] Furthermore, the auxiliary mechanism 5 also includes a mounting hole, an auxiliary component, and a reinforcing component. The mounting hole is located on the side of the gear body 1, and the positioning pin 52 is slidably inserted into the inner cavity of the mounting hole. The auxiliary component is located on the fixing ring 53 and is used to protect the locking pin 54 from rotation. The reinforcing component is located on the central cylinder 3 and is used to reinforce the installation of the central cylinder 3.

[0039] Specifically, the side of the fixing ring 53 is provided with an installation groove, the positioning post 52 is slidably inserted into the inner cavity of the installation groove, the inner wall of the installation groove is provided with a round hole, the locking post 54 is threadedly inserted into the inner cavity of one of the round holes, the locking post 54 is slidably inserted into the inner cavity of the other round hole, the positioning post 52 is provided with a limit hole on the outside, the locking post 54 is slidably inserted into the inner cavity of the limit hole, the outer side of the center cylinder 3 is fixedly embedded with a mounting seat 55 in a ring array, which is conducive to connecting with the locking post 54 and to limiting the position of the center cylinder 3 to reinforce the installation of the center cylinder 3, and the end of the locking post 54 is threadedly inserted into the inner cavity of the mounting seat 55.

[0040] Specifically, the auxiliary components include a connecting plate 56, a rotating head 57, a fixed cylinder 58, and an assembly cylinder 59. The connecting plate 56 facilitates support for the locking pin 54. The rotating head 57 facilitates cooperation with external tools to rotate the connecting plate 56 and the locking pin 54, enabling disassembly of the locking pin 54 and facilitating the installation and removal of the center cylinder 3. The fixed cylinder 58 cooperates with the rubber cylinder 510 to provide anti-rotation protection for the assembly cylinder 59 and anti-loosening protection for the locking pin 54, thereby improving the locking efficiency. The rotational friction of the locking pin 54 is used to fix the connecting plate 56 to the other end of the locking pin 54. The rotating head 57 is fixedly connected to the side of the connecting plate 56. The fixing cylinder 58 is fixedly connected to the outside of the fixing ring 53. The assembly cylinder 59 is slidably sleeved on the outside of the fixing cylinder 58. The inner wall of the assembly cylinder 59 is fixedly connected to a rubber cylinder 510, which helps to increase the friction between the assembly cylinder 59 and the fixing cylinder 58 to protect the locking pin 54 from loosening. The inner wall of the rubber cylinder 510 is in contact with the outside of the fixing cylinder 58.

[0041] Example 2: Based on Example 1, the reinforcement includes a reinforcing plate 511 and a reinforcing column 512. The reinforcing plate 511 is conducive to supporting the central cylinder 3, and the reinforcing column 512 is conducive to connecting with the reinforcing plate 511, which facilitates the positioning of the central cylinder 3 during installation. The reinforcing plate 511 is fixedly connected to the outside of the central cylinder 3, and the end of the reinforcing column 512 is fixedly connected to the gear body 1. The outer wall of the reinforcing column 512 is slidably inserted into the reinforcing plate 511.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A replaceable gear characterized by, include: Gear body (1), the gear body (1) is provided with gear teeth (2) on its outside; The center cylinder (3) has a through hole on the side of the gear body (1), and the center cylinder (3) is slidably inserted into the cavity of the through hole. The center cylinder (3) has an assembly hole (4) inside. An auxiliary mechanism (5) is located on the gear body (1) and is used to fix the center cylinder (3) to the gear body (1).

2. The replaceable gear of claim 1, wherein The auxiliary mechanism (5) includes: Positioning seat (51), which is fixedly connected to the outside of the central cylinder (3); Positioning post (52), which is fixedly inserted into the interior of positioning base (51); A fixed ring (53) is fixedly connected to the other side of the gear body (1), and the central cylinder (3) is slidably inserted into the inner cavity of the fixed ring (53). A locking pin (54) is located on a fixing ring (53), and the end of the locking pin (54) is located on a central cylinder (3).

3. A replaceable gear according to claim 2, wherein The auxiliary mechanism (5) also includes: Mounting hole, the mounting hole is opened on the side of the gear body (1), and the positioning pin (52) is slidably inserted into the inner cavity of the mounting hole; An auxiliary component is located on the fixing ring (53) and is used to protect the locking pin (54) from rotation. The reinforcement component is located on the center cylinder (3) and is used to reinforce the installation of the center cylinder (3).

4. A replaceable gear according to claim 3, characterized in that, The fixed ring (53) has an installation groove on its side. The positioning pin (52) is slidably inserted into the inner cavity of the installation groove. The inner wall of the installation groove has a round hole. The locking pin (54) is threadedly inserted into the inner cavity of one of the round holes. The locking pin (54) is slidably inserted into the inner cavity of the other round hole. The positioning pin (52) has a limit hole on its outside. The locking pin (54) is slidably inserted into the inner cavity of the limit hole. The outer side of the central cylinder (3) is fixedly embedded with a mounting seat (55) in a ring array. The end of the locking pin (54) is threadedly inserted into the inner cavity of the mounting seat (55).

5. A replaceable gear according to claim 3, characterized in that, The auxiliary components include: A connecting plate (56) is fixedly connected to the other end of the locking pin (54); Rotating head (57), the rotating head (57) is fixedly connected to the side of the connecting plate (56); A fixed cylinder (58) is fixedly connected to the outside of a fixed ring (53); An assembly cylinder (59) is slidably sleeved on the outside of a fixed cylinder (58). A rubber cylinder (510) is fixedly connected to the inner wall of the assembly cylinder (59), and the inner wall of the rubber cylinder (510) is in contact with the outside of the fixed cylinder (58).

6. A replaceable gear according to claim 3, characterized in that, The reinforcement components include: A reinforcing plate (511) is fixedly connected to the outside of the central cylinder (3); A reinforcing column (512) is fixedly connected at its end to the gear body (1), and the outer wall of the reinforcing column (512) is slidably inserted into the reinforcing plate (511).

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