CN216306609U

CN216306609U - Small-load offset conical worm speed reducing mechanism

Info

Publication number: CN216306609U
Application number: CN202122361579.2U
Authority: CN
Inventors: 王忠引; 马其学
Original assignee: Ningbo Jinyi Transmission Technology Co ltd
Current assignee: Ningbo Jinyi Transmission Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-15
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a small-load offset conical worm speed reducing mechanism which comprises a conical worm wheel, a conical worm, a support, a motor shaft, a motor, a screw and a bearing, wherein the support is connected with the motor through the screw, the conical worm wheel is arranged at the lower end of the support, the motor shaft is arranged in the middle of the motor, the motor shaft is connected with the conical worm, the conical worm is meshed with the conical worm wheel, and the head of the conical worm is connected with the support through the bearing. The motor shaft drives the bevel worm to rotate, the bevel worm transmits power to the bevel worm wheel to perform speed reduction rotation by meshing with the bevel worm wheel, the worm wheel shaft is connected with the support, the bevel worm wheel is arranged on the worm wheel shaft and can freely rotate, and the worm wheel shaft is axially positioned by the gasket and the clamp spring to realize stability.

Description

Small-load offset conical worm speed reducing mechanism

Technical Field

The utility model relates to the field of speed reducing mechanisms, in particular to a small-load offset conical worm speed reducing mechanism.

Background

At present, a common cylindrical worm and gear speed reducing mechanism is generally adopted in speed reducing mechanisms for electric lifting tables, electric telescopic push rods, electric massage machines, electric medical beds, electric fishing gear recovery fishing wheels, electric locks, electric door and window opening and closing, air conditioning and range hood closing and lifting transmission. The common cylindrical worm and worm gear is in pure sliding transmission and has low efficiency, and the transmission is in single-tooth meshing transmission and has low bearing capacity. Particularly, the worm wheel manufactured by the die pressing process not only needs to solve the problem of demoulding of worm wheel spiral teeth, but also needs to cut the tooth top of the worm wheel to realize die manufacturing, so that the bearing capacity of the common cylindrical worm and worm wheel transmission is further reduced, and therefore a small-load offset conical worm speed reducing mechanism is needed to be provided, so that the bearing capacity and the transmission efficiency can be improved, the processing difficulty is reduced, and the manufacturing cost is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a small-load offset conical worm speed reducing mechanism which can improve the bearing capacity and the transmission efficiency and reduce the processing difficulty, thereby reducing the manufacturing cost.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a little load biasing awl worm reduction gears, awl worm wheel, awl worm, support, motor shaft, motor, screw, bearing, the support passes through the screw and is connected with the motor, the support lower extreme is provided with the awl worm wheel, the motor middle part is provided with the motor shaft, the motor shaft is connected with the awl worm, awl worm and awl worm wheel meshing, the head of awl worm passes through bearing and leg joint.

Further, the axis of the bevel worm wheel is crossed with the axis of the bevel worm.

Further, an offset distance is arranged between the bevel worm wheel and the bevel worm.

Further, the bevel worm wheel comprises a worm wheel shaft, a clamp spring and a gasket, the clamp spring is sleeved at the lower end of the worm wheel shaft, the gasket is sleeved at the lower end of the worm wheel shaft, and the gasket is located on the inner side of the clamp spring.

Further, the tip angle of the conical worm is greater than 0 ° or equal to 0 °, when the tip angle is greater than 0 °, the conical worm belongs to the conical worm, and when the tip angle is equal to 0 °, the conical worm belongs to the cylindrical worm.

Compared with the prior art, the utility model has the advantages that:

1. the motor shaft drives the conical worm to rotate, and the conical worm transmits power to the conical worm wheel to rotate in a speed reduction manner by meshing with the conical worm wheel.

2. The worm wheel shaft is connected with the support, the bevel worm wheel is arranged on the worm wheel shaft and can freely rotate, and the axial direction of the worm wheel shaft is positioned by the gasket and the clamp spring in the axial direction to realize stability.

Drawings

FIG. 1 is a front view of a low load offset spiroid reduction mechanism of the present invention;

FIG. 2 is a top view of a low load offset spiroid reduction mechanism of the present invention;

FIG. 3 is a bottom view of a low load offset spiroid reduction mechanism of the present invention;

FIG. 4 is a cross-sectional view of a low-load offset spiroid reduction mechanism of the present invention;

FIG. 5 is a partial schematic view at A of FIG. 4 of a low load offset spiroid reduction mechanism of the present invention;

FIG. 6 is a schematic diagram of a spiroid worm of a small load offset spiroid worm reduction mechanism of the present invention;

FIG. 7 is a schematic diagram of a conical worm of a low-load offset conical worm speed reduction mechanism of the present invention being a cylindrical worm;

the reference numbers in the figures illustrate:

1-bevel worm wheel, 2-bevel worm, 3-bracket, 4-motor shaft, 5-motor, 6-screw, 7-bearing, 8-worm wheel shaft, 9-snap spring and 10-gasket.

Detailed Description

The technical solution 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. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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.

Example (b):

referring to fig. 1-7, a small-load offset taper worm speed reducing mechanism comprises a taper worm wheel 1, a taper worm 2, a bracket 3, a motor shaft 4, a motor 5, a screw 6 and a bearing 7, wherein the bracket 3 is connected with the motor 5 through the screw 6, the lower end of the bracket 3 is provided with the taper worm wheel 1, the middle part of the motor 5 is provided with the motor shaft 4, the motor shaft 4 is connected with the taper worm 2, the taper worm 2 is meshed with the taper worm wheel 1, and the head of the taper worm 2 is connected with the bracket 3 through the bearing 7.

The axis of the bevel worm wheel 1 is crossed with the axis of the bevel worm 2.

The bevel worm wheel 1 and the bevel worm 2 have an offset distance therebetween.

The bevel worm wheel 1 comprises a worm wheel shaft 8, a clamp spring 9 and a gasket 10, wherein the clamp spring 9 is sleeved at the lower end of the worm wheel shaft 8, the gasket 10 is sleeved at the lower end of the worm wheel shaft 8, and the gasket 10 is located on the inner side of the clamp spring 9.

The tip angle of the conical worm 2 is greater than 0 degrees or equal to 0 degrees, when the tip angle is greater than 0 degrees, the conical worm 2 belongs to the conical worm, and when the tip angle is equal to 0 degrees, the conical worm 2 belongs to the cylindrical worm.

The working principle is as follows: the bracket 3 is mounted on the motor 5 by means of screws 6. The conical worm 2 is sleeved on the motor shaft 4 and is axially positioned through a bearing 7 on the positioning end face of the bracket 3. The worm wheel shaft 8 is connected with the support 3, the bevel worm wheel 1 is arranged on the worm wheel shaft 8 and can freely rotate, and the axial direction of the worm wheel shaft 8 is axially positioned by the gasket 7 and the clamp spring 6 to realize stability. And starting the motor 5, and driving the conical worm 2 to rotate by the motor shaft 4. The bevel worm 2 transmits power to the bevel worm wheel 1 to rotate at a reduced speed by meshing with the bevel worm wheel 1. The whole process is that the rotation of the motor shaft 4 is transmitted to the bevel worm wheel 1 through the bevel worm 2 to perform deceleration movement. The mechanism can realize forward and reverse rotation speed reduction through forward and reverse rotation of the motor 5

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a little load biasing awl worm reduction gears, its characterized in that, awl worm wheel (1), awl worm (2), support (3), motor shaft (4), motor (5), screw (6), bearing (7), support (3) are connected with motor (5) through screw (6), support (3) lower extreme is provided with awl worm wheel (1), motor (5) middle part is provided with motor shaft (4), motor shaft (4) are connected with awl worm (2), awl worm (2) and awl worm wheel (1) meshing, the head of awl worm (2) passes through bearing (7) and is connected with support (3).

2. A small load offset spiroid reduction mechanism according to claim 1, characterized in that the axis of the spiroid worm wheel (1) intersects with the axis of the spiroid worm (2).

3. A small load offset spiroid reduction mechanism according to claim 1 or 2, characterized in that there is an offset distance between the spiroid wheel (1) and spiroid (2).

4. The small-load offset bevel worm speed reducing mechanism according to claim 3, wherein the bevel worm wheel (1) comprises a worm wheel shaft (8), a clamp spring (9) and a gasket (10), the clamp spring (9) is sleeved on the lower end of the worm wheel shaft (8), the gasket (10) is sleeved on the lower end of the worm wheel shaft (8), and the gasket (10) is located inside the clamp spring (9).

5. A small-load offset spiroid reduction mechanism according to claim 3, characterized in that said spiroid (2) has a tip angle greater than 0 ° or equal to 0 °, the spiroid (2) belonging to a spiroid when the tip angle is greater than 0 °, the spiroid (2) belonging to a cylindrical worm when the tip angle is equal to 0 °.