CN219605981U

CN219605981U - Gear with teeth number and positions easy to adjust

Info

Publication number: CN219605981U
Application number: CN202320606413.9U
Authority: CN
Inventors: 葛林; 祁欢
Original assignee: Jiangsu Duote Machinery Co ltd
Current assignee: Jiangsu Duote Machinery Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-08-29
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a gear easy to adjust the number and the position of teeth, comprising: the inner side of the wheel disc is provided with a shaft hole; the wheel rim is arranged on the wheel disc, fixing bolts matched with the wheel disc are arranged on the inner side of the wheel rim, and teeth are integrally formed on the outer surface of the wheel rim; the upper surface of the wheel disc comprises a first guide block and a second guide block, and the first guide block is positioned at the outer side of the second guide block; through being provided with fixing bolt, guide way, first guide block and second guide block, be convenient for adjust the position and the quantity of rim, and then adjust the quantity and the position of tooth, avoid tooth and gear disk body to be mostly integrated into one piece, lead to the later stage to be inconvenient for the adjustment, need redesign, the device is adjusted conveniently, has increased the application scope of device.

Description

Gear with teeth number and positions easy to adjust

Technical Field

The utility model relates to a gear which is easy to adjust the number and the positions of teeth.

Background

The gear is a mechanical element with teeth on the rim and can continuously mesh with the transmission motion and power. The use of gears in transmission has long emerged, in which intermittent gear mechanisms, also known as "incomplete gear mechanisms" or hypocrete gears, have a driving wheel with a small number of teeth and a driven wheel with full teeth. In the continuous rotation process of the driving wheel, the driven wheel rotates by a certain angle only when the gear teeth of the driving wheel are meshed with the gear teeth of the driven wheel.

Most of the teeth and gear plates of the existing incomplete gears are of an integrated structure, the number and positions of the teeth are generally determined, when different numbers of teeth are needed or the teeth are located at different positions of the gear plates, the incomplete gears are required to be designed and manufactured again, the labor and time are wasted, and the adjustment is inconvenient according to actual needs, so that the gear easy to adjust the number and the positions of the teeth is provided.

Disclosure of Invention

The utility model aims to provide a gear with easy adjustment of the number and the positions of teeth, so as to solve the problem that the number and the positions of teeth are inconvenient to adjust due to the fact that the teeth and a gear plate are of an integrated structure in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a gear for easily adjusting the number and position of teeth, comprising:

the inner side of the wheel disc is provided with a shaft hole;

the wheel rim is arranged on the wheel disc, fixing bolts matched with the wheel disc are arranged on the inner side of the wheel rim, and teeth are integrally formed on the outer surface of the wheel rim;

the upper surface of the wheel disc comprises a first guide block and a second guide block, and the first guide block is positioned at the outer side of the second guide block;

the lower surface of the rim is provided with a guide groove matched with the first guide block for limiting the left-right swing of the rim.

Preferably, the first guide block is provided with a connecting screw hole, and the connecting screw hole corresponds to the fixing bolt.

Preferably, the connecting screw holes are formed in five positions along the circumferential direction of the first guide block.

Preferably, the cross sections of the second guide block and the first guide block are L-shaped, and a groove matched with the second guide block is formed at one end of the upper surface of the rim.

Preferably, the lower surface of the rim is integrally formed with a convex plate, and the convex plate is arc-shaped.

Preferably, the upper surface of the rim is flush with the upper surface of the second guide block, and the rim is provided with at least one place.

Preferably, the outer diameter of the second guide block is smaller than the outer diameter of the first guide block.

Compared with the prior art, the utility model has the beneficial effects that:

through being provided with fixing bolt, guide way, first guide block and second guide block, be convenient for adjust the position and the quantity of rim, and then adjust the quantity and the position of tooth, avoid tooth and gear disk body to be mostly integrated into one piece, lead to the later stage to be inconvenient for the adjustment, need redesign, the device is adjusted conveniently, has increased the application scope of device, has improved the practicality of device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a wheel disc according to the present utility model;

FIG. 3 is a schematic view of a convex plate structure according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a wheel disc of the present utility model;

in the figure: 1. a wheel disc; 2. a rim; 3. teeth; 4. a shaft hole; 5. a first guide block; 6. a guide groove; 7. a fixing bolt; 8. a connecting screw hole; 9. a convex plate; 10. and a second guide block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a gear for easily adjusting the number and position of teeth, comprising:

the inner side of the wheel disc 1 is provided with a shaft hole 4;

the wheel rim 2 is arranged on the wheel disc 1, the inner side of the wheel rim 2 is provided with a fixing bolt 7 matched with the wheel disc 1, the wheel rim 2 is convenient to detachably mount, and the outer surface of the wheel rim 2 is integrally formed with teeth 3;

the upper surface of the wheel disc 1 comprises a first guide block 5 and a second guide block 10, and the first guide block 5 is positioned at the outer side of the second guide block 10, so that the connection effect of the wheel rim 2 and the wheel disc 1 is improved, the swinging of the wheel rim 2 is reduced, and meanwhile, the stress at the fixing bolt 7 is reduced when the wheel rim is meshed with an external gear, so that the external force is distributed on the first guide block 5 and the second guide block 10;

the guiding groove 6 matched with the first guiding block 5 is formed in the lower surface of the rim 2 and used for limiting the left-right swing of the rim 2, so that a better fixing effect on the rim 2 is achieved, and the stress of the fixing bolt 7 is reduced.

In this embodiment, preferably, the first guide block 5 is provided with a connecting screw hole 8, and the connecting screw hole 8 corresponds to the fixing bolt 7, so as to facilitate the installation of the rim 2.

In this embodiment, preferably, the connecting screw holes 8 are provided with five connecting screw holes along the circumferential direction of the first guide block 5, so that the plurality of rims 2 can be mounted and fixed better.

In this embodiment, preferably, the cross sections of the second guide block 10 and the first guide block 5 are both in an L shape, and one end of the upper surface of the rim 2 is provided with a groove matched with the second guide block 10, so that the left-right swing of the rim 2 is reduced, and the stability after installation is improved.

In this embodiment, preferably, the flange 9 is integrally formed on the lower surface of the rim 2, and the flange 9 is arc-shaped, so that the supporting effect on the teeth 3 is improved when the teeth 3 are meshed with the external gear.

In this embodiment, preferably, the upper surface of the rim 2 is flush with the upper surface of the second guide block 10, and the rim 2 is provided with at least one place.

In this embodiment, preferably, the outer diameter of the second guide block 10 is smaller than that of the first guide block 5, so as to better improve the installation and fixing effects of the rim 2.

The working principle and the using flow of the utility model are as follows: when the novel wheel disc is used, the wheel disc 2 is placed on the wheel disc 1, the guide grooves 6 are aligned with the first guide blocks 5, then one end of the wheel disc 2 is pushed into the space between the second guide blocks 10 and the wheel disc 1, at the moment, the convex plate 9 is in contact with the wheel disc 1, the wheel disc 2 slides along the first guide blocks 5, the position of the wheel disc 2 is adjusted, finally, the fixing bolts 7 penetrate through the wheel disc 2 and are screwed into the inner sides of the connecting screw holes 8, the wheel disc 2 and the wheel disc 1 can be fixed, the wheel disc 2 with different numbers can be assembled according to actual needs, the distribution positions of the wheel disc 2 are adjusted, and then the number and the positions of the teeth 3 are adjusted, so that the teeth 3 are meshed with racks or connecting gears of an external intermittent mechanism.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gear of easily adjusting tooth quantity and position, its characterized in that: comprising the following steps:

the wheel disc (1), the inside of the wheel disc (1) is provided with a shaft hole (4);

the wheel rim (2) is arranged on the wheel disc (1), fixing bolts (7) matched with the wheel disc (1) are arranged on the inner side of the wheel rim (2), and teeth (3) are integrally formed on the outer surface of the wheel rim (2);

the upper surface of the wheel disc (1) comprises a first guide block (5) and a second guide block (10), and the first guide block (5) is positioned at the outer side of the second guide block (10);

the lower surface of the rim (2) is provided with a guide groove (6) matched with the first guide block (5) for limiting the left-right swing of the rim (2).

2. A gear for facilitating the adjustment of the number and position of teeth according to claim 1, wherein: the first guide block (5) is provided with a connecting screw hole (8), and the connecting screw hole (8) corresponds to the fixing bolt (7).

3. A gear for facilitating the adjustment of the number and position of teeth according to claim 2, wherein: the connecting screw holes (8) are formed in five positions along the circumference of the first guide block (5).

4. A gear for facilitating the adjustment of the number and position of teeth according to claim 1, wherein: the cross sections of the second guide block (10) and the first guide block (5) are L-shaped, and one end of the upper surface of the rim (2) is provided with a groove matched with the second guide block (10).

5. A gear for facilitating the adjustment of the number and position of teeth according to claim 1, wherein: the lower surface of the rim (2) is integrally formed with a convex plate (9), and the convex plate (9) is arc-shaped.

6. A gear for facilitating the adjustment of the number and position of teeth according to claim 1, wherein: the upper surface of the rim (2) is flush with the upper surface of the second guide block (10), and the rim (2) is provided with at least one place.

7. A gear for facilitating the adjustment of the number and position of teeth according to claim 1, wherein: the outer diameter of the second guide block (10) is smaller than that of the first guide block (5).