CN214331415U

CN214331415U - Interdental transmission structure of speed reducer

Info

Publication number: CN214331415U
Application number: CN202023236548.6U
Authority: CN
Inventors: 樊俐
Original assignee: Wuxi Dongjian Reducer Co ltd
Current assignee: Wuxi Dongjian Reducer Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-01
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses an interdental drive structure of speed reducer, which comprises an outer shell, both sides rotate respectively in the shell and are connected with input mechanism and output mechanism, and are equipped with adjustment mechanism in the middle of the shell, connect through the chain between input mechanism, output mechanism and the adjustment mechanism, input mechanism includes the servo motor fixed with shell one side outer wall, and servo motor output shaft both sides run through the shell outer wall and all weld the telescopic link, and the dead lever has all been welded to the other end of two telescopic links, runs through sliding connection between two dead levers and has input sprocket, and the spout has all been opened to the junction between input sprocket and the dead lever. The utility model discloses a have the spring beam that the equidistance distributes in the outer wall welding of output pivot, the spring beam is in the same place with the welding of output sprocket, and when the elasticity degree of adjustment mechanism control chain, the spring beam can extend and shorten to realized the function that changes moment, realized the function that changes moment regulation input force size.

Description

Interdental transmission structure of speed reducer

Technical Field

The utility model relates to a speed reducer transmission technical field especially relates to an interdental transmission structure of speed reducer.

Background

The speed reducer plays a role in matching rotating speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, and is widely applied to modern machinery. The speed reducer can realize the function of increasing the moment and reducing the magnitude of the input force, but the current speed reducer does not have the adjusting function and can only realize the adjustment of the fixed moment, so the speed reducer is only suitable for the connection between a prime motor and an actuating mechanism, and simultaneously the current speed reducer does not have a prime motor protection mechanism, and once the actuating mechanism is clamped, the prime motor has the influence of overload to cause circuit damage.

Disclosure of Invention

The utility model aims at solving the defects in the prior art and providing a transmission structure between teeth of a speed reducer.

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

an interdental transmission structure of a speed reducer comprises a shell, wherein an input mechanism and an output mechanism are respectively and rotatably connected to two sides in the shell, an adjusting mechanism is arranged in the middle of the shell, the input mechanism, the output mechanism and the adjusting mechanism are connected through a chain, the input mechanism comprises a servo motor fixed on the outer wall of one side of the shell, telescopic rods are respectively welded on two sides of an output shaft of the servo motor through the outer wall of the shell, fixed rods are respectively welded on the other ends of the two telescopic rods, an input chain wheel is connected between the two fixed rods in a penetrating and sliding manner, a sliding groove is formed in the joint between the input chain wheel and the fixed rods, fixed blocks are respectively welded on one sides of the other ends of the two fixed rods, a first rotating shaft connected with the outer wall of the other side of the shell in a penetrating and rotating manner is clamped between the two fixed blocks, a first worm is welded between the first rotating shafts, and first worm top meshing has first worm wheel, adjustment mechanism include with first worm wheel welded second pivot, and the butt clamp welding has the second worm between the second pivot, second worm one side meshing has the second worm wheel, and the second worm wheel center runs through the welding and has the sliding sleeve, and the equal threaded connection in sliding sleeve both ends has a screw rod, two the one end that the screw rod was kept away from each other all rotates and is connected with adjusting sprocket, output mechanism includes runs through the output pivot of rotating the connection with shell one side outer wall, and the output pivot is located the inside outer wall welding all around of shell and has the spring beam that the equidistance distributes, output sprocket has all been welded to the other end of spring beam.

Preferably, the telescopic link includes with servo motor output shaft welded sleeve, and sleeve top sliding connection has the bracing piece, butt clamp welding has powerful spring between sleeve and the bracing piece.

Preferably, two the spout is the arc structure about input sprocket centrosymmetric, and the dead lever forms sliding fit through spout and input sprocket.

Preferably, the shortest distance between the two sliding grooves is greater than the distance between the two fixing blocks, and a rectangular bump is welded at one end of the first rotating shaft, which is located outside the shell.

Preferably, the length of the sliding sleeve is greater than that of the screw rods, and the thread directions of the two screw rods are opposite.

Preferably, the number of the spring rods is three, and one end of the output rotating shaft, which is positioned outside the shell, is connected with an actuating mechanism.

The utility model has the advantages that:

1. inclined sliding grooves are formed in the two sides of the input chain wheel, telescopic rods are connected in the sliding grooves in a sliding mode, the telescopic rods are connected with output shafts of the servo motors, once the overload phenomenon occurs, the servo motors can rotate slowly at the moment, the telescopic rods can move along the sliding grooves and can contract, so that the two fixing rods are close to each other, the fixing blocks are finally fixed with the first rotating shaft, the servo motors rotate the first rotating shaft, the second worm rotates through the first worm and the first worm wheel, the sliding sleeve rotates, the two adjusting chain wheels are close to each other through the rotation of the sliding sleeve, the torque of the output mechanism is increased, the servo motors are protected, meanwhile, the rectangular convex blocks fixed with the first rotating shaft can be manually screwed through handles to be manually adjusted, and the function of adjusting the speed of rotation is achieved;

2. the spring rods distributed at equal intervals are welded on the outer wall of the output rotating shaft and are welded with the output chain wheel, and when the adjusting mechanism controls the tightness degree of the chain, the spring rods can be extended and shortened, so that the function of changing the moment is realized, and the function of changing the moment to adjust the input force is realized.

Drawings

Fig. 1 is a schematic top view of a transmission structure between teeth of a speed reducer according to the present invention;

fig. 2 is a schematic perspective view of a connection structure of an input mechanism and an adjusting mechanism of an interdental transmission structure of a speed reducer according to the present invention;

fig. 3 is a schematic perspective view of an input mechanism of an inter-tooth transmission structure of a speed reducer according to the present invention;

fig. 4 is a schematic side view of an interdental transmission structure of a speed reducer according to the present invention;

fig. 5 is a schematic cross-sectional view of a telescopic rod structure of an interdental transmission structure of a speed reducer according to the present invention.

In the figure: the device comprises a shell 1, an input mechanism 2, an output mechanism 3, an adjusting mechanism 4, a chain 5, a servo motor 6, a telescopic rod 7, a fixing rod 8, an input chain wheel 9, a sliding chute 10, a fixing block 11, a first rotating shaft 12, a first worm 13, a first worm wheel 14, a second rotating shaft 15, a second worm 16, a second worm wheel 17, a sliding sleeve 18, a screw rod 19, an adjusting chain wheel 20, an output rotating shaft 21, a spring rod 22, an output chain wheel 23, a sleeve 24, a support rod 25 and a strong spring 26.

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. 1-5, an interdental transmission structure of a speed reducer comprises a housing 1, wherein an input mechanism 2 and an output mechanism 3 are respectively rotatably connected to two sides in the housing 1, an adjusting mechanism 4 is arranged in the middle of the housing 1, the input mechanism 2, the output mechanism 3 and the adjusting mechanism 4 are connected through a chain 5, the input mechanism 2 comprises a servo motor 6 fixed to the outer wall of one side of the housing 1, telescopic rods 7 are welded to two sides of an output shaft of the servo motor 6 penetrating through the outer wall of the housing 1, fixed rods 8 are welded to the other ends of the two telescopic rods 7, an input sprocket 9 is slidably connected between the two fixed rods 8, a sliding groove 10 is formed at a joint between the input sprocket 9 and the fixed rods 8, fixed blocks 11 are welded to one side where the other ends of the two fixed rods 8 are close to each other, and a first rotating shaft 12 rotatably connected to the outer wall of the other side of the housing 1 is clamped between the two fixed blocks 11, the adjusting mechanism 4 comprises a second rotating shaft 15 welded with the first worm wheel 14, a second worm 16 is welded between the second rotating shaft 15 in a butt-clamping manner, a second worm wheel 17 is meshed on one side of the second worm 16, a sliding sleeve 18 penetrates through the center of the second worm wheel 17, both ends of the sliding sleeve 18 are in threaded connection with screw rods 19, one ends, far away from each other, of the two screw rods 19 are in rotational connection with an adjusting sprocket 20, the telescopic rod 7 comprises a sleeve 24 welded with an output shaft of the servo motor 6, a supporting rod 25 is in sliding connection with the top of the sleeve 24, a strong spring 26 is welded between the sleeve 24 and the supporting rod 25 in a butt-clamping manner, the two sliding grooves 10 are arc-shaped structures which are symmetrical about the center of the input sprocket 9, and the fixing rod 8 is in sliding fit with the input sprocket 9 through the sliding grooves 10, the shortest distance between the two sliding grooves 10 is greater than the distance between the two fixed blocks 11, one end of the first rotating shaft 12, which is positioned outside the shell 1, is welded with a rectangular convex block, the length of the sliding sleeve 18 is greater than the length of the screw rod 19, the thread directions of the two screw rods 19 are opposite, the inclined sliding grooves 10 are formed in the two sides of the input chain wheel 9, the sliding grooves 10 are internally connected with a telescopic rod 7 in a sliding manner, the telescopic rod 7 is connected with an output shaft of the servo motor 6, once the overload phenomenon occurs, the servo motor 6 rotates slowly, the telescopic rod 7 moves along the sliding grooves 10 and can contract, so that the two fixed rods 8 approach each other to finally fix the fixed blocks 11 and the first rotating shaft 12, the servo motor 6 rotates to rotate the first rotating shaft 12, and finally, the first worm 13 and the first worm wheel 14 rotate the second worm wheel 17 to rotate the sliding sleeve 18, the sliding sleeve 18 rotates to enable the two adjusting chain wheels 20 to be close to each other, so that the moment of the output mechanism 3 is increased, the servo motor 6 is protected, meanwhile, the rectangular lug fixed with the first rotating shaft 12 can be manually screwed through the handle to carry out manual adjustment, and the function of adjusting the rotating speed is realized;

output mechanism 3 includes and runs through the output pivot 21 of rotating the connection with 1 one side outer wall of shell, and output pivot 21 is located that 1 inside outer wall welding all around has the spring beam 22 that the equidistance distributes, output sprocket 23 has all been welded to the other end of spring beam 22, spring beam 22 is total three, and output pivot 21 is located that 1 outside one end of shell is connected with actuating mechanism, has the spring beam 22 that the equidistance distributes through the outer wall welding at output pivot 21, and spring beam 22 is in the same place with output sprocket 23 welding, and when adjustment mechanism 4 control chain 5's elasticity degree, spring beam 22 can extend and shorten to realized the function that changes moment, realized the function that changes moment regulation input force size.

The working principle is as follows: manually adjusting by screwing a rectangular bump fixed with a first rotating shaft 12 through a handle, wherein the first rotating shaft 12 enables a second worm wheel 17 to rotate through a first worm 13, a first worm wheel 14, a second rotating shaft 15 and a second worm 16, so that a sliding sleeve 18 rotates, the sliding sleeve 18 rotates to enable two adjusting chain wheels 20 to be close to or away from each other, so that the tightness degree of a chain 5 can be adjusted, a spring rod 22 extends and shortens according to the tightness degree of the chain 5, thereby realizing the function of adjusting the rotating speed, inclined sliding grooves 10 are formed on two sides of an input chain wheel 9, a telescopic rod 7 is connected in the sliding grooves 10 in a sliding mode, the telescopic rod 7 is connected with an output shaft of a servo motor 6, once the overload phenomenon occurs, the servo motor 6 can slowly rotate at the moment, the telescopic rod 7 can move along the sliding grooves 10 and can contract, so that two fixing rods 8 are close to finally enable a fixing block 11 to be fixed with the first rotating shaft 12, the servo motor 6 rotates to make the first rotating shaft 12 rotate, and finally the adjusting mechanism 4 rotates to make the two adjusting chain wheels 20 approach each other, so that the chain 5 is loosened, the spring rod 22 can be produced, thereby increasing the moment of the output mechanism 3 and playing a role of protecting the servo motor 6.

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 inter-tooth transmission structure of the speed reducer comprises a shell (1) and is characterized in that an input mechanism (2) and an output mechanism (3) are respectively connected to two sides in the shell (1) in a rotating mode, an adjusting mechanism (4) is arranged in the middle of the shell (1), the input mechanism (2), the output mechanism (3) and the adjusting mechanism (4) are connected through a chain (5), the input mechanism (2) comprises a servo motor (6) fixed to the outer wall of one side of the shell (1), telescopic rods (7) are welded to two sides of an output shaft of the servo motor (6) penetrating through the outer wall of the shell (1), fixing rods (8) are welded to the other ends of the two telescopic rods (7), an input chain wheel (9) is connected between the two fixing rods (8) in a penetrating and sliding mode, and a sliding chute (10) is formed in the connecting position between the input chain wheel (9) and the fixing rods (8), two fixed blocks (11) are welded on one side, close to each other, of the other end of the fixed rod (8), a first rotating shaft (12) connected with the outer wall of the other side of the shell (1) in a penetrating and rotating mode is connected between the two fixed blocks (11), a first worm (13) is welded between the first rotating shaft (12) in a butt-clamping mode, a first worm wheel (14) is meshed at the top of the first worm (13), the adjusting mechanism (4) comprises a second rotating shaft (15) welded with the first worm wheel (14), a second worm (16) is welded between the second rotating shaft (15) in a butt-clamping mode, a second worm wheel (17) is meshed on one side of the second worm (16), a sliding sleeve (18) is welded in a penetrating mode in the center of the second worm wheel (17), screw rods (19) are connected to both ends of the sliding sleeve (18) in a threaded mode, and adjusting chain wheels (20) are connected to one ends, far away from each other, of the two screw rods (19), output mechanism (3) include run through the output pivot (21) of rotating the connection with shell (1) one side outer wall, and output pivot (21) are located shell (1) inside outer wall welding all around has spring beam (22) that the equidistance distributes, output sprocket (23) have all been welded to the other end of spring beam (22).

2. The interdental transmission structure of a reducer according to claim 1, wherein the telescopic rod (7) comprises a sleeve (24) welded with the output shaft of the servo motor (6), a support rod (25) is connected to the top of the sleeve (24) in a sliding manner, and a strong spring (26) is welded between the sleeve (24) and the support rod (25) in a clamping manner.

3. The interdental transmission structure of a speed reducer according to claim 1, wherein both the sliding grooves (10) are arc-shaped structures which are centrosymmetric about the input sprocket (9), and the fixing rod (8) forms a sliding fit with the input sprocket (9) through the sliding grooves (10).

4. The interdental transmission structure of a speed reducer according to claim 1, wherein the shortest distance between the two sliding grooves (10) is greater than the distance between the two fixed blocks (11), and a rectangular bump is welded to one end of the first rotating shaft (12) located outside the housing (1).

5. The interdental transmission structure of a reducer according to claim 1, wherein the length of the sliding sleeve (18) is greater than the length of the threaded rod (19), and the two threaded rods (19) have opposite thread directions.

6. The interdental transmission structure of a reducer according to claim 1, wherein the number of the spring rods (22) is three, and an actuator is connected to one end of the output shaft (21) located outside the housing (1).