CN217421915U

CN217421915U - Powder metallurgy reel

Info

Publication number: CN217421915U
Application number: CN202221673057.4U
Authority: CN
Inventors: 王玲军
Original assignee: Zhejiang Taiyang Powder Metallurgy Co ltd
Current assignee: Zhejiang Taiyang Powder Metallurgy Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-13
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a powder metallurgy reel belongs to machine parts technical field. The shaft disc solves the problems that the shaft disc structure connected by the existing gear shaft key is usually simpler, the self strength is low, and the service life is influenced. This powder metallurgy reel, this reel includes the disk body and is a plurality of linking arms that the circumference distributes in disk body edge, the quantity of a plurality of linking arms is four, four linking arm an organic whole extend the disk body edge outside, and these four linking arms divide equally to set up, at least one connecting hole has all been seted up on each linking arm, the outside hub relief in disk body middle part has a boss portion, the keyway has been seted up to boss portion center, the coaxial extension in disk body back has step portion, the keyway has been seted up equally at the middle part of step portion, the keyway of boss portion communicates with each other with the keyway of step portion, it has the reinforcing bar to extend towards the linking arm direction by step portion perisporium. The utility model has the advantages of firmness is high and life is high.

Description

Powder metallurgy reel

Technical Field

The utility model belongs to the technical field of machine parts, a reel, in particular to powder metallurgy reel is related to.

Background

The existing shaft disc connected with the gear shaft key is usually simpler in structure, the circular structure is similar to the structural design of a flange plate, the structure reduces the strength of the shaft disc, and the shaft disc is not firm enough to influence the service life.

Disclosure of Invention

The utility model aims at providing a powder metallurgy reel that fastness is high and life is high to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a powder metallurgy reel, its characterized in that, this reel include the disk body and be the circumference and distribute in a plurality of linking arms at disk body edge, a plurality of the quantity of linking arm is four, four linking arm an organic whole extends the disk body edge outside, and this four the linking arm equipartition sets up, each all seted up at least one connecting hole on the linking arm, disk body middle part to the outer hub connection have a shaft platform portion, shaft platform portion center seted up the keyway, the coaxial extension of disk body back have step portion, the keyway has been seted up equally at step portion's middle part, shaft platform portion's keyway and step portion's keyway communicate with each other, extend towards the linking arm direction by step portion perisporium and have the enhancement strip.

In the powder metallurgy shaft disc, the number of the reinforcing strips is four.

In the powder metallurgy shaft disc, four reinforcing strips are equally distributed on the peripheral wall of the step part.

In the powder metallurgy shaft disc, the longitudinal section of the reinforcing strip is triangular.

In the powder metallurgy shaft disc, the shaft disc is made of powder metallurgy materials.

Compared with the prior art, the powder metallurgy shaft disc has the advantages of firmness, higher connection strength and longer service life.

Drawings

Fig. 1 is a schematic perspective view of the powder metallurgy shaft disc.

FIG. 2 is a back structure schematic diagram of the powder metallurgy shaft disc.

FIG. 3 is a schematic cross-sectional view of the powder metallurgy axial disk.

In the figure, 1, a disc body; 2. a connecting arm; 3. connecting holes; 4. a shaft table portion; 5. a key slot; 6. a step portion; 7. a reinforcing strip.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As fig. 1, fig. 2, fig. 3 shows, this powder metallurgy reel, this reel includes disk body 1 and is a plurality of linking arms 2 that the circumference distributes in disk body 1 edge, the quantity of a plurality of linking arms 2 is four, 2 an organic whole of four linking arms extend outside disk body 1 edge, and these four linking arms 2 divide equally and set up, at least one connecting hole 3 has all been seted up on each linking arm 2, 1 middle part of disk body is to the protruding boss portion 4 that has of outer axle, keyway 5 has been seted up at boss portion 4 center, the gear shaft passes through the key-type connection cooperation to the keyway 5 in, the coaxial extension in 1 back of disk body has step portion 6, keyway 5 has been seted up equally in step portion 6's middle part, keyway 5 and step portion 6's keyway 5 of boss portion 4 communicate with each other, there is reinforcing strip 7 by step portion 6 perisporium towards 2 direction extensions of linking arm.

Preferably, the number of the reinforcing strips 7 is four.

Preferably, four reinforcing strips 7 are equally arrayed on the peripheral wall of the step portion 6.

In more detail, the longitudinal section of the reinforcing strip 7 is triangular, and the strength of the whole shaft disc is improved by arranging the reinforcing strip 7.

The reel passes through key-type connection cooperation gear shaft, compares the tradition and is the disk body 1 of circular structure and has higher cooperation intensity, improves holistic intensity through four epitaxial linking arms 2 and four enhancement strips 7 on the linking arm 2, and then improves better cooperation effect.

In a further elaboration, the shaft disc is made of powder metallurgy materials, so that the structure of the shaft disc is firmer.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms disc 1, connecting arm 2, connecting hole 3, pillow block 4, key way 5, step 6, reinforcing strip 7, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The powder metallurgy shaft disc is characterized by comprising a disc body (1) and a plurality of connecting arms (2) circumferentially distributed on the edge of the disc body (1), the number of the connecting arms (2) is four, the four connecting arms (2) integrally extend out of the edge of the disc body (1), the four connecting arms (2) are arranged in equal parts, each connecting arm (2) is provided with at least one connecting hole (3), a shaft boss part (4) is projected outwards from the middle part of the disc body (1), a key groove (5) is arranged at the center of the shaft boss part (4), a step part (6) coaxially extends from the back of the tray body (1), a key groove (5) is also formed in the middle of the step part (6), the key groove (5) of the shaft platform part (4) is communicated with the key groove (5) of the step part (6), and a reinforcing strip (7) extends from the peripheral wall of the step part (6) towards the direction of the connecting arm (2).

2. A powder metallurgy shaft disc according to claim 1, characterized in that the number of the reinforcing strips (7) is four.

3. A powder metallurgy shaft disc according to claim 1, characterized in that four of said reinforcing strips (7) are equally arrayed on the peripheral wall of the step (6).

4. A powder metallurgy shaft disc according to claim 1, characterized in that the longitudinal section of the reinforcing strips (7) is triangular.

5. A powder metallurgical shaft disc according to claim 1, characterized in that the shaft disc is made of powder metallurgical material.