CN212804087U

CN212804087U - Worm wheel and worm integrally-mounted gear box

Info

Publication number: CN212804087U
Application number: CN202021755684.3U
Authority: CN
Inventors: 胡锡烈
Original assignee: Hunan Caiyi Photoelectric Technology Co ltd
Current assignee: Hunan Caiyi Photoelectric Technology Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-26
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a worm gear integrally-installed gear box, which comprises a gear box body and a worm gear mechanism arranged in the gear box body, wherein an input shaft and an output shaft which have the same axis are arranged on the gear box body; the utility model discloses because the gear box body adopts integrated into one piece's mode for the volume of gear box is littleer, and inner structure is compacter, has improved the meshing compactness between the inside each part of gear box, and input shaft and output shaft are located same axle center in addition, do not have the dislocation, make the size after gear box and the motor cooperation little, can be applicable to the little special installation occasion of some installation space.

Description

Worm wheel and worm integrally-mounted gear box

Technical Field

The utility model relates to a gear box structure among the mechanical transmission structure especially relates to a worm gear is whole to adorn formula gear box.

Background

The gear box drive mechanism is a common mechanical power conversion transmission device, and current gear box is formed by controlling the box and the case lid combination of separation or upper and lower separation usually, the structure of this separation often leads to the volume increase of gear box, the installation compactness of inside transmission structure is not good enough, has reduced the meshing compactness between each part, and the gear box that the volume is too big moreover under the condition of high rotational speed power input, arouses the wearing and tearing of worm, worm wheel very easily to influence the life of gear box, therefore, the utility model aims at providing a compact structure, small integrative whole dress formula gear box through reasonable structural design.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a worm gear is whole to adorn formula gear box through setting up input shaft and the output shaft in same axle center for the size after gear box and the motor cooperation is little, can be applicable to the little special installation occasion of some installation space.

The utility model provides a technical scheme that its technical problem adopted is:

a worm and gear integral gear box comprises a gear box body and a worm and gear mechanism arranged in the gear box body, the gear box body is provided with an input shaft and an output shaft which have the same axis, a worm wheel in the worm gear is arranged on the output shaft, a worm in the worm gear is in meshing transmission with the worm wheel, a first gear is also arranged on the same shaft with the worm, a second gear meshed with the first gear is arranged on the input shaft, the second gear is connected with a motor, when in use, the second gear is driven by a motor to rotate, the second gear drives the first gear meshed with the second gear to rotate, so that the worm coaxial with the first gear is driven to rotate, and then the worm wheel which is positioned in the output shaft and meshed with the worm is driven to rotate and output power.

Further, the gear box body is integrated into one piece, compares in prior art by the box and the gear box that the case lid combination that left right separation or upper and lower separation formed, adopts integrated into one piece's mode can make the volume of gear box littleer, and inner structure is compacter, has improved the meshing compactness between each inside part of gear box.

Furthermore, both ends of the worm and both ends of the worm wheel are connected with the gear box body through bearings.

Furthermore, one end of the worm is connected with the gear box body through a first bearing, the other end of the worm is connected with the gear box body through a second bearing, and the diameter of the first bearing is larger than that of the second bearing.

Furthermore, one end of the worm wheel is connected with the gear box body through a third bearing, the other end of the worm wheel is connected with the gear box body through a fourth bearing, and the diameter of the third bearing is larger than that of the fourth bearing.

Through mutually supporting of big or small bearing in both ends, can realize that the concentricity of bearing is unanimous, and is concrete, because the worm gear both ends have the bearing, prior art is usually from the front trompil on the earth, this kind of mode can be because the fore-and-aft bearing is equally big and make the installation of being not convenient for of hou mian bearing, and another kind of mode of prior art is from both ends processing bearing position respectively, can lead to bearing position to have the deviation like this for the concentricity of bearing has the deviation, thereby increase wearing and tearing, and the utility model discloses a setting of the big or small bearing in both ends for during processing and assembly, the concentricity of fore-and-aft bearing all highly uniform, reduce wearing and tearing, realize high-.

Further, the first bearing, the second bearing, the third bearing and the fourth bearing are all tightly fixed and positioned with the gear box body through screws.

Compared with the prior art, the utility model provides a pair of worm gear is whole to be adorned formula gear box has following beneficial effect:

1. the gear box body is integrally formed, so that the size of the gear box is smaller, the internal structure is more compact, and the meshing tightness among all parts in the gear box is improved;

2. the input shaft and the output shaft are positioned at the same axis and are not staggered, so that the size of the gear box matched with the motor is small, and the gear box can be suitable for special installation occasions with small installation space;

3. the large and small bearings with different diameters are arranged at the two ends of the worm gear respectively, so that the concentricity of the front bearing and the rear bearing is highly consistent during processing and assembly, the abrasion is reduced, and the high-efficiency transmission is realized.

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 are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

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

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

fig. 3 is a schematic structural diagram of the worm and gear mechanism of the present invention;

wherein:

1-gear box body, 11-input shaft, 12-output shaft, 21-worm wheel, 22-worm, 23-first gear, 111-second gear, 211-third bearing, 212-fourth bearing, 221-first bearing and 222-second bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is understood that the technical solutions of the embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are combined and contradictory or can not be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, the utility model provides a worm and gear self-contained gear box, which comprises a gear box body 1 and a worm and gear mechanism arranged in the gear box body 1, wherein the gear box body 1 is provided with an input shaft 11 and an output shaft 12 which have the same axle center, a worm wheel 21 in a worm gear is arranged on the output shaft 12, a worm 22 in the worm gear is in meshing transmission with the worm wheel 21, a first gear 23 is arranged on the same shaft with the worm 22 and adjacent to the same shaft, a second gear 111 meshed with the first gear 23 is arranged on the input shaft 11, the second gear 111 is connected with a motor, when in use, the second gear 111 is driven by the motor to rotate, the second gear 111 drives the first gear 23 engaged with the second gear to rotate, thereby driving the worm 22 coaxial with the first gear 23 to rotate, and in turn, rotates a worm wheel 21, which is positioned in the output shaft 12 and engaged with a worm 22, and outputs power.

Preferably, the gear box body 1 is integrated into one piece, compares in the gear box that forms by the box and the case lid combination of left and right separation or upper and lower separation among the prior art, adopts integrated into one piece's mode can make the volume of gear box littleer, and inner structure is compacter, has improved the meshing compactness between each inside part of gear box.

In a specific embodiment, both ends of the worm 22 and both ends of the worm wheel 21 are connected to the gear housing body 1 through bearings.

Further, one end of the worm 22 is connected with the gear box body 1 through a first bearing 221, and the other end of the worm is connected with the gear box body 1 through a second bearing 222, wherein the diameter of the first bearing 221 is larger than that of the second bearing 222.

Further, one end of the worm wheel 21 is connected with the gear box body 1 through a third bearing 211, the other end of the worm wheel is connected with the gear box body 1 through a fourth bearing 212, and the diameter of the third bearing 211 is larger than that of the fourth bearing 212.

Preferably, the first bearing 221, the second bearing 222, the third bearing 211 and the fourth bearing 212 are all fixedly positioned with the gearbox body 1 through screws.

The utility model discloses during the specific use, at first be connected the motor with second gear 111 from 11 departments of input shaft, insert respectively worm 22 and worm wheel 21 and install gear box body 1, accomplish the installation after starter motor, the motor rotates through driving second gear 111 and drives first gear 23 and rotate to drive and rotate with the coaxial worm 22 of first gear 23, and then drive the worm wheel 21 that is arranged in output shaft 12 and meshes with worm 22 and rotate and export power.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a worm gear is whole to adorn formula gear box, includes the gear box body and set up in this internal worm gear mechanism of gear box, its characterized in that, set up input shaft and the output shaft that has same axle center on the gear box body, worm wheel among the worm gear install in on the output shaft, worm among the worm gear with worm wheel meshing transmission, with the worm is with epaxial still adjacent first gear that is provided with, be provided with on the input shaft with first gear meshing's second gear, the second gear links to each other with the motor.

2. The gear box of claim 1, wherein the gear box body is integrally formed.

3. The gear box as claimed in claim 1, wherein both ends of the worm and both ends of the worm wheel are connected to the gear box body through bearings.

4. The gear box as claimed in claim 3, wherein the worm is connected to the gear box body at one end via a first bearing and connected to the gear box body at the other end via a second bearing, the first bearing having a larger diameter than the second bearing.

5. The worm and gear self-contained gearbox of claim 4, wherein one end of the worm wheel is connected with the gearbox body through a third bearing, the other end of the worm wheel is connected with the gearbox body through a fourth bearing, and the diameter of the third bearing is larger than that of the fourth bearing.

6. The worm-and-gear self-contained gearbox of claim 5, wherein the first bearing, the second bearing, the third bearing and the fourth bearing are all screwed into place with the gearbox body.