CN215861605U

CN215861605U - Novel gear

Info

Publication number: CN215861605U
Application number: CN202122354539.5U
Authority: CN
Inventors: 曾清汉; 林冬萍
Original assignee: Quanzhou Luojiang Jiatai Gear Co ltd
Current assignee: Quanzhou Luojiang Jiatai Gear Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-18
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a novel gear, which comprises a gear body and a fixed disk positioned on one side surface of the gear body, wherein the gear body can be divided into a plurality of gear blocks along the circumferential direction of the gear body, the gear blocks are fixedly connected with the fixed disk through a fixing device, the fixing device comprises a first fixing bolt, a second fixing bolt and an inserting part, each gear block is respectively provided with a first connecting hole and a second connecting hole along the axial direction of the gear body, the fixed disk is provided with a third connecting hole and a fourth connecting hole corresponding to the first connecting hole and the second connecting hole, the first fixing bolt penetrates through the first connecting hole and the third connecting hole, the second fixing bolt penetrates through the second connecting hole and the fourth connecting hole to fixedly connect the gear blocks with the fixed disk, the inserting part is arranged on the contact surface of the fixed disk and the gear body, one side of the contact surface is a concave part, and the other side is a convex part, the protrusion is inserted into the recess.

Description

Novel gear

Technical Field

The utility model relates to a novel gear.

Background

The gear is a mechanical element with teeth on a rim, which can continuously mesh to transmit motion and power, and is a toothed mechanical part capable of meshing with each other. In this case, not only much labor and man-hours are required to replace the entire gear, but also the cost is high.

In the prior art, a gear with detachable parts appears, and when the teeth on the upper part of the gear are damaged, the damaged parts can be detached for replacement or repair, but in the gear with the detachable parts, all gear blocks are fixed only through bolts and nuts, when a large load is applied, the gear can make abnormal sound, and the force cannot be sufficiently transmitted to other gears or transmitted out from other gears.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model aims to provide a novel gear.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a novel gear comprises a gear body and a fixed disc positioned on one side surface of the gear body, the gear body can be divided into a plurality of gear blocks along the circumferential direction of the gear body, the gear blocks are fixedly connected with the fixed disc through the fixing device, the fixing device comprises a first fixing bolt, a second fixing bolt and an inserting part, each gear block is respectively provided with a first connecting hole and a second connecting hole along the axial direction of the gear body, a fixed disc is provided with a third connecting hole and a fourth connecting hole corresponding to the first connecting hole and the second connecting hole, the first fixing bolt penetrates through the first connecting hole and the third connecting hole, the second fixing bolt penetrates through the second connecting hole and the fourth connecting hole to fixedly connect the gear block and the fixed disc, the inserting part is arranged on a contact surface of the fixed disc and the gear body, one side of the contact surface is a concave part, the other side of the contact surface is a convex part, and the convex part is inserted into the concave part.

Furthermore, the inserting part comprises an annular convex part arranged on the fixed disc and arranged along the circumferential direction, and a groove is formed in the gear block corresponding to the annular convex part.

Further, gaps exist among the gear blocks of the gear body.

Further, the first fixing bolt and the second fixing bolt are different in distance from the rotation center of the gear body.

Furthermore, the gear is a driving gear, and the distance from the first fixing bolt to the rotation center of the gear body is greater than the distance from the second fixing bolt to the rotation center of the gear body.

Further, the gear is a driven gear, and the distance from the first fixing bolt to the rotation center of the gear body is smaller than the distance from the second fixing bolt to the rotation center of the gear body.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

by adopting the technical scheme, when a certain part on the gear body is damaged, the part is disengaged, the first fixing bolt and the second fixing bolt are loosened, the part can be taken down and replaced, the operation is convenient, the gear block is connected with the fixed disc through the fixing bolts, and the gear block is also provided with the inserting part, so that when the gear is subjected to a larger load, the connection stability of the gear block can be still kept, the shaking and the abnormal sound are avoided, the distribution of the rotating moment of the gear block when the gear block is subjected to a larger load can be changed by arranging the first bolt and the second bolt to be different from the rotating center of the gear, the acting force applied to the gear block is transferred to the fixed disc, and the shaking of the gear block can be further avoided.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view of a novel gear (driving gear) according to the present invention;

FIG. 2 is a schematic structural view of the gear block of the present invention;

FIG. 3 is a schematic structural view of a fixing plate according to the present invention;

fig. 4 is a schematic side view of a novel gear according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in one of fig. 1-4, the present invention includes a gear body 1 and a fixing plate 2 located on one side of the gear body 1, the gear body 1 can be divided into a plurality of gear blocks 11 along the circumferential direction, the gear blocks 11 are fixedly connected to the fixing plate 2 by a fixing device, the fixing device includes a first fixing bolt 12, a second fixing bolt 13 and an inserting portion 14, each gear block 11 is respectively provided with a first connecting hole 111 and a second connecting hole 112 along the axial direction of the gear body 1, the fixing plate 2 is provided with a third connecting hole 21 and a fourth connecting hole 22 corresponding to the first connecting hole 111 and the second connecting hole 112, the first fixing bolt 12 passes through the first connecting hole 111 and the third connecting hole 21, the second fixing bolt 13 passes through the second connecting hole 112 and the fourth connecting hole 22 to fixedly connect the gear block 11 to the fixing plate 2, the inserting portion 14 is arranged on the contact surface of the fixing plate 2 and the gear body 1, one side of the contact surface is a concave part, and the other side is a convex part which is inserted into the concave part.

Furthermore, the inserting part 14 includes an annular protrusion 23 arranged on the fixed disk 2 along the circumferential direction, and a groove 113 is formed on the gear block 11 corresponding to the annular protrusion 23.

Further, gaps exist among the gear blocks 11 of the gear body 1.

Further, the first fixing bolt 12 and the second fixing bolt 13 have different distances from the rotation center of the gear body 1.

Further, the gear is a driving gear (as shown in fig. 1), and the distance from the first fixing bolt 12 to the rotation center of the gear body 1 is greater than the distance from the second fixing bolt 13 to the rotation center of the gear body 1.

Further, the gear is a driven gear, and the distance from the first fixing bolt 12 to the rotation center of the gear body 1 is smaller than the distance from the second fixing bolt 13 to the rotation center of the gear body 1.

The working principle of the utility model is as follows: when a certain part on the gear body 1 is damaged, the part is disengaged, the first fixing bolt 12 and the second fixing bolt 13 are loosened, the part can be taken down and replaced, the operation is convenient, the gear block 11 and the fixed disk 2 are not only connected through the fixing bolts, and the gear fixing device is also provided with an inserting part 14, so that when the gear is subjected to a large load, the stability of connection of the gear block 11 can be still kept, shaking and abnormal sound are avoided, the distance from the gear rotating center to the first bolt and the second bolt is different, the distribution of rotating moment can be changed when the gear block 11 is subjected to a large load, the acting force to be received in the aspect is transmitted to the fixed disk 2, and shaking of the gear block 11 can be further avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A novel gear is characterized in that: the gear block can be divided into a plurality of gear blocks along the circumferential direction of the gear body, the gear blocks are fixedly connected with the fixed disc through a fixing device, the fixing device comprises a first fixing bolt, a second fixing bolt and an inserting portion, each gear block is respectively provided with a first connecting hole and a second connecting hole along the axial direction of the gear body, a third connecting hole and a fourth connecting hole are formed in the fixed disc corresponding to the first connecting hole and the second connecting hole, the first fixing bolt penetrates through the first connecting hole and the third connecting hole, the second fixing bolt penetrates through the second connecting hole and the fourth connecting hole to fixedly connect the gear block with the fixed disc, the inserting portion is arranged on a contact surface of the fixed disc and the gear body, one side of the contact surface is a concave portion, the other side of the contact surface is a convex portion, and the convex portion is inserted into the concave portion.

2. The novel gear of claim 1, wherein: the inserting part comprises an annular convex part arranged on the fixed disc and arranged along the circumferential direction, and a groove is formed in the gear block corresponding to the annular convex part.

3. The novel gear of claim 1, wherein: gaps exist among the gear blocks of the gear body.

4. The novel gear of claim 1, wherein: the first fixing bolt and the second fixing bolt are different in distance from the rotation center of the gear body.

5. The novel gear of claim 4, wherein: the gear is a driving gear, and the distance from the first fixing bolt to the rotation center of the gear body is larger than the distance from the second fixing bolt to the rotation center of the gear body.

6. The novel gear of claim 4, wherein: the gear is a driven gear, and the distance from the first fixing bolt to the rotation center of the gear body is smaller than the distance from the second fixing bolt to the rotation center of the gear body.