CN215861620U

CN215861620U - Powder metallurgy circumference ring gear with anti-disengaging structure

Info

Publication number: CN215861620U
Application number: CN202122375039.XU
Authority: CN
Inventors: 童延文
Original assignee: Hangzhou Haixiangda Sensing Technology Co ltd
Current assignee: Hangzhou Haixiangda Sensing Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-18
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a powder metallurgy circumferential gear ring with an anti-falling structure, and relates to the technical field of powder metallurgy gear rings. The anti-falling device comprises a gear ring body and anti-falling plates, wherein the inner surface of the gear ring body is fixedly provided with four anti-falling plates which are uniformly distributed along the circumference, the upper anti-falling plate and the lower anti-falling plate extend backwards, and the left anti-falling plate and the right anti-falling plate extend forwards; keep away from the spacing arch that ring gear body was provided with two symmetric distributions in one side of the anticreep board, and be provided with first anticreep bolt hole and second anticreep bolt hole on the anticreep board respectively. The four anti-falling plates greatly enhance the anti-falling performance of the powder metallurgy gear ring during installation, when the gear ring body is installed, the gear ring body is fixed on the main shaft through the four short bolts, then is further fixed through the two long bolts, and is fixed in a double anti-falling mode, so that the gear ring body can be stably sleeved on the main shaft, and the problems that the existing powder metallurgy gear ring is not provided with an anti-falling structure and is inconvenient to install and disassemble are solved.

Description

Powder metallurgy circumference ring gear with anti-disengaging structure

Technical Field

The utility model belongs to the technical field of powder metallurgy gear rings, and particularly relates to a powder metallurgy circumferential gear ring with an anti-falling structure.

Background

Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products. Powder metallurgy technology has been widely used in the fields of transportation, machinery, electronics, aerospace, weaponry, biology, new energy, information, nuclear industry, etc., and has become one of the most active branches of new material science. The powder metallurgy technology has a series of advantages of remarkable energy saving, material saving, excellent performance, high product precision, good stability and the like, and is very suitable for mass production. Due to the advantages of the powder metallurgy technology, the powder metallurgy technology becomes a key for solving the problem of new materials, and plays a significant role in the development of the new materials.

The powder metallurgy circumferential gear ring is a novel gear ring prepared based on a powder metallurgy process technology, is a powder metallurgy part commonly used in various automobiles and motorcycles, and can completely meet the requirement of dimensional precision, particularly tooth form precision, through one-step forming and finishing processes without other post-treatment processes. Therefore, compared with the traditional machining method, the material investment and the manufacturing are greatly reduced, the circular gear ring is a typical product which embodies the characteristics of powder metallurgy, but the existing circular gear ring of powder metallurgy still has the following disadvantages in practical use:

1. the existing powder metallurgy circumferential gear ring has unsatisfactory anti-falling performance, and is easy to fall off when in use, so that the gear ring is broken, the precision is influenced, and the potential safety hazard is large;

2. the existing powder metallurgy circumferential gear ring is not convenient to mount and dismount, and the assembly efficiency is low.

Therefore, the existing powder metallurgy circumferential gear ring can not meet the requirement in practical use, so that the improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a powder metallurgy circumferential gear ring with an anti-falling structure, the anti-falling performance of the powder metallurgy circumferential gear ring is greatly enhanced by four anti-falling plates during installation, when the gear ring body is installed, the gear ring body is fixed on a main shaft by four short bolts, then is further fixed by two long bolts, and is fixed in a double anti-falling mode, so that the gear ring body can be stably sleeved on the main shaft, and the problems that the existing powder metallurgy circumferential gear ring does not have the anti-falling structure and is inconvenient to install and disassemble are solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a powder metallurgy circumferential gear ring with an anti-falling structure, which comprises a gear ring body and anti-falling plates, wherein the inner surface of the gear ring body is fixedly provided with four anti-falling plates which are uniformly distributed along the circumference, the upper anti-falling plate and the lower anti-falling plate extend backwards, and the left anti-falling plate and the right anti-falling plate extend forwards;

keep away from the spacing arch that one side of ring gear body was provided with two symmetric distributions on the anticreep board, just be provided with first anticreep bolt hole and second anticreep bolt hole on the anticreep board respectively, first anticreep bolt hole sets up in the central plane of ring gear body, second anticreep bolt hole sets up outside the central plane of ring gear body.

Furthermore, the gear ring body is fixedly sleeved on the main shaft through short bolts and long bolts, and the main shaft is respectively provided with a closed bolt hole for the short bolts to pass through and a through bolt hole for the long bolts to pass through.

Furthermore, the gear ring body is provided with four fixing holes which are uniformly distributed along the circumference, and the short bolts are embedded in the fixing holes during installation, so that the use of the gear ring body is not influenced.

Further, the short bolt penetrates through the fixing hole, the first anti-falling bolt hole and the closed bolt hole to fix the gear ring body, the anti-falling plate and the main shaft together.

Further, the long bolt penetrates through the second anti-falling bolt hole and the through bolt hole to fix the main shaft and the two symmetrical anti-falling plates together.

Further, spacing arch sets up to integrated into one piece with the anticreep board, spacing arch and spout sliding fit, the spout sets up on the surface of main shaft, and when the installation of ring gear body, the accessible spout makes things convenient for the location of bolt, improves assembly efficiency.

The utility model has the following beneficial effects:

1. according to the utility model, the anti-falling performance of the powder metallurgy circumferential gear ring is greatly enhanced when the gear ring body is installed by arranging the four anti-falling plates, the gear ring body is fixed on the main shaft by the four short bolts and then further fixed by the two long bolts, and double anti-falling fixation is realized, so that the gear ring body is more stably sleeved on the main shaft, and the design of the four long anti-falling plates also plays a role in reinforcement, the strength of the gear ring body is enhanced, and the service life of the anti-falling powder metallurgy circumferential gear ring is prolonged.

2. According to the utility model, the connection between the anti-drop plate and the main shaft is more fit by arranging the limiting bulge and the sliding groove, and when the gear ring body is installed, the positioning can be carried out through the sliding groove, so that the installation is convenient and smooth, and the assembly efficiency is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic exterior view of the overall structure of the present invention;

FIG. 2 is an exploded view of the gear ring body and the anti-separation plate according to the present invention;

FIG. 3 is an assembly schematic of the present invention;

FIG. 4 is a schematic view of the structure of the short bolt and the long bolt of the present invention;

fig. 5 is a schematic view of the spindle structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a gear ring body; 2. an anti-drop plate; 3. a main shaft; 4. a short bolt; 5. a long bolt; 11. a fixing hole; 21. a limiting bulge; 22. a first anti-drop bolt hole; 23. a second anti-drop bolt hole; 31. a chute; 32. closing the bolt holes; 33. through the bolt hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, the utility model relates to a powder metallurgy circumferential gear ring with an anti-falling structure, which comprises a gear ring body 1 and anti-falling plates 2, wherein the four anti-falling plates 2 are uniformly distributed along the circumference are fixed on the inner surface of the gear ring body 1, the upper anti-falling plate 2 and the lower anti-falling plate 2 extend backwards, and the left anti-falling plate 2 and the right anti-falling plate 2 extend forwards.

Wherein as shown in fig. 2, 5, be provided with four fixed orificess 11 along circumference evenly distributed on the ring gear body 1, the last one side of keeping away from ring gear body 1 of anticreep board 2 is provided with two symmetric distribution's spacing arch 21, spacing arch 21 sets up to integrated into one piece with anticreep board 2, spacing arch 21 and spout 31 sliding fit, spout 31 sets up at main shaft 3 on the surface, and be provided with first anticreep bolt hole 22 and second anticreep bolt hole 23 on the anticreep board 2 respectively, first anticreep bolt hole 22 sets up in the central plane of ring gear body 1, second anticreep bolt hole 23 sets up outside the central plane of ring gear body 1.

As shown in fig. 3 and 5, the gear ring body 1 is fixedly sleeved on the main shaft 3 through the short bolt 4 and the long bolt 5, and the main shaft 3 is provided with a closed bolt hole 32 through which the short bolt 4 passes and a through bolt hole 33 through which the long bolt 5 passes.

Wherein as shown in fig. 4, short bolt 4 passes fixed orifices 11, first anticreep bolt hole 22, closed bolt hole 32 and with ring gear body 1, anticreep board 2 and main shaft 3 are together fixed, long bolt 5 passes second anticreep bolt hole 23, run through bolt hole 33 and fix main shaft 3 and two symmetrical anticreep boards 2 together, during the use, install four short bolt 4 earlier, fix ring gear body 1 at main shaft 3, install two long bolt 5 again, dual anticreep is fixed, can make the more firm cover of ring gear body 1 on main shaft 3.

One specific application of this embodiment is:

when the gear ring body 1 is installed, the gear ring body 1 is sleeved on the main shaft 3 through the matching of the limiting bulge 21 and the sliding groove 31 and slides to the installation position;

the gear ring body 1 is fixed on the main shaft 3 through four short bolts 4, and then is further fixed through two long bolts 5, so that the gear ring body 1 is installed.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims

1. The utility model provides a powder metallurgy circumference ring gear with anti-disengaging structure, includes ring gear body (1) and anticreep board (2), its characterized in that: the inner surface of the gear ring body (1) is fixed with four anti-falling plates (2) which are uniformly distributed along the circumference, the upper anti-falling plate (2) and the lower anti-falling plate (2) extend backwards, and the left anti-falling plate (2) and the right anti-falling plate (2) extend forwards;

keep away from one side of ring gear body (1) on anticreep board (2) and be provided with two symmetric distribution's spacing arch (21), just be provided with first anticreep bolt hole (22) and second anticreep bolt hole (23) on anticreep board (2) respectively, first anticreep bolt hole (22) set up in the central plane of ring gear body (1), second anticreep bolt hole (23) set up outside the central plane of ring gear body (1).

2. The powder metallurgy circumferential gear ring with the anti-dropping structure is characterized in that the gear ring body (1) is fixedly sleeved on the main shaft (3) through the short bolts (4) and the long bolts (5), and the main shaft (3) is provided with closed bolt holes (32) for the short bolts (4) to pass through and through bolt holes (33) for the long bolts (5) to pass through respectively.

3. The powder metallurgy circumferential gear ring with anti-drop structure of claim 2, characterized in that the gear ring body (1) is provided with four fixing holes (11) uniformly distributed along the circumference.

4. The powder metallurgy circumferential ring gear with the anti-dropping structure is characterized in that the short bolt (4) penetrates through the fixing hole (11), the first anti-dropping bolt hole (22) and the closed bolt hole (32) to fix the ring gear body (1), the anti-dropping plate (2) and the main shaft (3) together.

5. The powder metallurgy circumferential ring gear with retaining structure of claim 2, characterized in that the long bolt (5) passes through the second retaining bolt hole (23), the through bolt hole (33) to fix the main shaft (3) and the two symmetrical retaining plates (2) together.

6. The circumferential ring gear with the anti-dropping structure for powder metallurgy according to claim 2, wherein the limiting protrusion (21) and the anti-dropping plate (2) are arranged to be integrally formed, the limiting protrusion (21) is in sliding fit with a sliding groove (31), and the sliding groove (31) is arranged on the surface of the main shaft (3).