CN214118905U

CN214118905U - Worm gear speed reducer that meshing precision is high

Info

Publication number: CN214118905U
Application number: CN202023187115.6U
Authority: CN
Inventors: 包伯尧
Original assignee: Hangzhou Xinchao Transmission Co ltd
Current assignee: Hangzhou Xinchao Transmission Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-03
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a worm gear speed reducer that meshing precision is high relates to the speed reducer field, to the meshing precision of the inconvenient adjustment speed reducer of present speed reducer, still inconvenient change and the problem of the different quantity meshing tooth worm wheel of maintenance, now proposes following scheme, the on-line screen storage device comprises a base, the top fixedly connected with casing of base, the fixed cover in both sides of casing is equipped with first bearing, two the fixed cover in inside of first bearing is equipped with first worm, first fixed orifices has been seted up to the right-hand member inside of first worm, the fixed cover in top and the bottom of casing is equipped with the second bearing, two the fixed cover in inside of second bearing is equipped with the second worm, the fixed cover in outside of second worm is equipped with first worm wheel, first worm wheel meshes the transmission with first worm. The utility model discloses not only made things convenient for the meshing precision of adjustment speed reducer, still made things convenient for the worm wheel of changing and the different quantity meshing tooth of maintenance, improved the practicality of device, be fit for promoting.

Description

Worm gear speed reducer that meshing precision is high

Technical Field

The utility model relates to a speed reducer field especially relates to a worm gear speed reducer that meshing precision is high.

Background

A worm gear reducer is a power transmission mechanism that uses a speed converter of a gear to reduce the number of revolutions of a motor to a desired number of revolutions and obtain a large torque. The existing speed reducer is inconvenient to adjust the meshing precision of the speed reducer and replace and maintain worm gears with different numbers of meshing teeth, so that a worm gear speed reducer with high meshing precision is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a worm gear speed reducer that meshing precision is high has solved the meshing precision of the inconvenient adjustment speed reducer of present speed reducer, still inconvenient change and the problem of the different quantity meshing tooth worm wheel of maintenance.

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

a worm gear speed reducer with high meshing precision comprises a base, wherein a shell is fixedly connected to the top of the base, first bearings are fixedly sleeved on two sides of the shell, first worms are fixedly sleeved on the inner portions of the first bearings, first fixing holes are formed in the right ends of the first worms, second bearings are fixedly sleeved on the top and the bottom of the shell, second worms are fixedly sleeved on the inner portions of the second bearings, first worm wheels are fixedly sleeved on the outer portions of the second worms, the first worm wheels are in meshing transmission with the first worms, sliding grooves are symmetrically formed in two sides of the shell, third bearings are fixedly sleeved on the front sides of the two sliding grooves, screw rods are fixedly sleeved on the inner portions of the two third bearings, sliding blocks are respectively sleeved on the outer portions of the two screw rods in a threaded manner, and fourth bearings are respectively fixedly connected to the top ends of the two sliding blocks, two the fixed cover in inside of fourth bearing is equipped with the output shaft, the outside fixed cover of output shaft is equipped with the second worm wheel, second worm wheel and the meshing transmission of second worm, the outside meshing tooth vertical section of second worm wheel is trapezoidal, the second fixed orifices has been seted up to the left end inside of output shaft, second fixed orifices and transmission shaft fixed connection.

Preferably, the two first bearings are symmetrically arranged on two sides of the shell, and the first fixing hole is fixedly connected with the driving shaft.

Preferably, the two second bearings are symmetrically arranged at the top and the bottom of the shell, and the second bearings are fixedly sleeved outside two ends of the second worm.

Preferably, the back surfaces of the two screws are fixedly connected with driving wheels, the outer portions of the two driving wheels are sleeved with driving belts, bolt holes are formed in the two driving wheels, bolts are sleeved in the bolt holes, the back surface of the shell is provided with a plurality of clamping grooves, and the bolts are sleeved in the clamping grooves.

Preferably, the equal fixedly connected with fixed block in both sides of base, two the equal thread bush in inside of fixed block is equipped with clamping screw, two clamping screw's the equal fixedly connected with handle in top.

Preferably, the base is connected with the shell through a bolt, and the sliding block is connected with the fourth bearing through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a through installing the base, the casing, first worm, first fixed orifices, the second worm, first worm wheel, the output shaft, the second worm wheel, the second fixed orifices, the slider, the screw rod, the drive wheel, the bolt, the draw-in groove, fixed block and fixed screw rod isostructure, wherein through rotating the drive wheel, the drive wheel passes through driving belt, drive two drive wheels synchronous rotation, thereby drive the slider to move to the front or to the back, thereby adjust the best meshing precision of second worm wheel and second worm, when the second worm wheel of different quantity meshing teeth is required, remove the fixed of bolt, reverse the drive wheel, the drive wheel drives the slider roll-off spout, conveniently change output shaft and second worm wheel, the device is novel in design, easy operation, not only convenient adjustment speed reducer's meshing precision, also convenient change and maintenance the worm wheel of different quantity meshing teeth, the practicability of the device is improved, and the device is suitable for popularization.

Drawings

Fig. 1 is a schematic front view of a worm gear speed reducer with high meshing precision provided by the present invention;

fig. 2 is a schematic side view of the worm gear reducer with high meshing precision according to the present invention;

fig. 3 is a schematic side view of a second worm wheel of the worm gear reducer with high meshing precision provided by the present invention;

fig. 4 is the utility model provides a drive wheel of worm gear speed reducer that meshing precision is high looks sideways at schematic diagram.

In the figure: the novel handle comprises a base 1, a shell 2, a first worm 3, a first fixing hole 4, a second worm 5, a first worm wheel 6, an output shaft 7, a second worm wheel 8, a second fixing hole 9, a sliding block 10, a screw rod 11, a driving wheel 12, a bolt 13, a clamping groove 14, a fixing block 15, a fixing screw rod 16 and a handle 17.

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.

Referring to fig. 1-4, the present solution provides an embodiment: a worm gear speed reducer with high meshing precision comprises a base 1, wherein the top of the base 1 is fixedly connected with a shell 2, two sides of the shell 2 are fixedly sleeved with first bearings, the inner parts of the two first bearings are fixedly sleeved with first worms 3, the right ends of the first worms 3 are internally provided with first fixing holes 4, the top and the bottom of the shell 2 are fixedly sleeved with second bearings, the inner parts of the two second bearings are fixedly sleeved with second worms 5, the outer parts of the second worms 5 are fixedly sleeved with first worm wheels 6, the first worm wheels 6 are in meshing transmission with the first worms 3, two sides of the shell 2 are symmetrically provided with chutes, the front sides of the two chutes are respectively fixedly sleeved with third bearings, the inner parts of the two third bearings are fixedly sleeved with screw rods 11, the outer parts of the two screw rods 11 are respectively in threaded sleeve connection with sliding blocks 10, the top ends of the two sliding blocks 10 are respectively fixedly connected with fourth bearings, the inner parts of the two fourth bearings are fixedly sleeved with output shafts 7, the outside fixed cover of output shaft 7 is equipped with second worm wheel 8, and second worm wheel 8 and the meshing transmission of second worm 5, and the outside meshing tooth vertical section of second worm wheel 8 is trapezoidal, and second fixed orifices 9 has been seted up to the left end inside of output shaft 7, and second fixed orifices 9 and transmission shaft fixed connection.

In this embodiment, the two first bearings are symmetrically arranged on two sides of the housing 2, and the first fixing hole 4 is fixedly connected with the driving shaft.

In this embodiment, the two second bearings are symmetrically arranged at the top and the bottom of the housing 2, and the second bearings are fixedly sleeved outside two ends of the second worm.

In this embodiment, the equal fixedly connected with drive wheel 12 in the back of two screws 11, the outside cover of two drive wheels 12 is equipped with driving belt, and the bolt hole has all been seted up to the inside of two drive wheels 12, and the inside cover in bolt hole is equipped with bolt 13, and a plurality of draw-in grooves 14 have been seted up at the back of casing 2, and bolt 13 cover is established in the inside of draw-in groove 14.

In this embodiment, the equal fixedly connected with fixed block 15 in both sides of base 1, the equal thread bush in inside of two fixed blocks 15 is equipped with clamping screw 16, the equal fixedly connected with handle 17 in top of two clamping screw 16.

In this embodiment, the base 1 is connected to the housing 2 by bolts, and the slider 10 is connected to the fourth bearing by bolts.

The working principle is that firstly, a first worm 3 is fixed on a driving shaft through a first fixing hole 4, the output shaft is fixedly connected with a shaft to be transmitted through a second fixing hole 9, then the driving shaft drives the first worm 3 to rotate, the first worm 3 is meshed with a first worm wheel 6 for transmission, so as to drive a second worm 5 to rotate, the second worm 5 is meshed with a second worm wheel 8 for transmission, so as to drive an output shaft 7 to rotate, the output shaft 7 drives a transmission shaft to rotate for speed reduction transmission, because the vertical section of meshing teeth outside the second worm wheel 8 is trapezoidal, the vertical section can drive two transmission wheels 12 to synchronously rotate by rotating the transmission wheels 12, the transmission wheels 12 drive two transmission wheels 12 through a transmission belt, so as to drive a sliding block 10 to move towards the front side or the back side, so as to adjust the optimal meshing precision of the second worm wheel 8 and the second worm 5, and after the adjustment is finished, a bolt 13 is inserted into a clamping groove 14, accomplish the fixed to two screw rods 11, when the second worm wheel 8 of the different quantity meshing tooth of needs, remove the fixed of bolt 13, reverse drive wheel 12, drive wheel 12 drives slider 10 roll-off spout, conveniently changes output shaft 7 and second worm wheel 8, and this device has not only made things convenient for the meshing precision of adjustment speed reducer, has still made things convenient for the worm wheel of changing and the different quantity meshing tooth of maintenance, has improved the practicality of device, is fit for promoting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The worm and gear speed reducer with high meshing precision comprises a base (1) and is characterized in that a shell (2) is fixedly connected to the top of the base (1), first bearings are fixedly sleeved on two sides of the shell (2), a first worm (3) is fixedly sleeved on the inner portion of the first bearings, first fixing holes (4) are formed in the right end of the first worm (3), second bearings are fixedly sleeved on the top and the bottom of the shell (2), a second worm (5) is fixedly sleeved on the inner portion of the second bearings, a first worm wheel (6) is fixedly sleeved on the outer portion of the second worm (5), the first worm wheel (6) is in meshing transmission with the first worm (3), sliding grooves are symmetrically formed in two sides of the shell (2), third bearings are fixedly sleeved on the front sides of the sliding grooves, and screw rods (11) are fixedly sleeved on the inner portions of the third bearings, two the equal thread bush in outside of screw rod (11) is equipped with slider (10), two the equal fixedly connected with fourth bearing in top of slider (10), two the fixed cover in inside of fourth bearing is equipped with output shaft (7), the outside fixed cover of output shaft (7) is equipped with second worm wheel (8), second worm wheel (8) and second worm (5) meshing transmission, the outside meshing tooth of second worm wheel (8) erects the cross-section and is trapezoidal, second fixed orifices (9) have been seted up to the left end inside of output shaft (7), second fixed orifices (9) and transmission shaft fixed connection.

2. The worm and gear speed reducer with high meshing precision as claimed in claim 1, wherein the two first bearings are symmetrically arranged on two sides of the shell (2), and the first fixing hole (4) is fixedly connected with the driving shaft.

3. The worm and gear speed reducer with high meshing precision as claimed in claim 1, wherein the two second bearings are symmetrically arranged at the top and the bottom of the shell (2), and the second bearings are fixedly sleeved outside two ends of the second worm.

4. The worm and gear speed reducer with high meshing precision as recited in claim 1, wherein transmission wheels (12) are fixedly connected to the back surfaces of the two screws (11), a transmission belt is sleeved outside the two transmission wheels (12), bolt holes are formed in the two transmission wheels (12), bolts (13) are sleeved in the bolt holes, a plurality of clamping grooves (14) are formed in the back surface of the housing (2), and the bolts (13) are sleeved in the clamping grooves (14).

5. The worm and gear speed reducer with high meshing precision as claimed in claim 1, wherein fixing blocks (15) are fixedly connected to two sides of the base (1), fixing screws (16) are respectively and threadedly sleeved inside the two fixing blocks (15), and handles (17) are respectively and fixedly connected to the top ends of the two fixing screws (16).

6. The worm and gear speed reducer with high meshing precision as claimed in claim 1, wherein the base (1) is connected with the housing (2) through a bolt, and the sliding block (10) is connected with the fourth bearing through a bolt.