CN219827606U

CN219827606U - Small-torque worm gear speed reducer structure

Info

Publication number: CN219827606U
Application number: CN202320992395.2U
Authority: CN
Inventors: 沈波; 李军
Original assignee: Hangzhou Hangtian Speed Variator Co ltd
Current assignee: Hangzhou Hangtian Speed Variator Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-10-13
Anticipated expiration: 2033-04-27

Abstract

The utility model discloses a small-torque worm gear speed reducer structure, which comprises a machine shell, a worm rotating above the interior of the machine shell and a worm wheel rotatably arranged below the machine shell, wherein an oil inlet control mechanism comprises an oil seat fixed at the top of the machine shell, and a casing is fixedly penetrated through the top of the machine shell. This little moment of torsion worm gear speed reducer structure, through the setting of zero clearance meshing between worm and the worm wheel, can realize worm gear speed reducer's high-accuracy meshing to set up into oil control mechanism at the top of casing, utilize the slip process of moving the seat in the cover shell, can control the intercommunication process between 7 type grooves and the through-hole, can conveniently control the process of lubricating oil on the worm gear speed reducer, avoided lubricating oil disposable to empty too much the condition that causes the waste.

Description

Small-torque worm gear speed reducer structure

Technical Field

The utility model relates to the technical field of worm and gear speed reducers, in particular to a small-torque worm and gear speed reducer structure.

Background

Torque is a special moment that causes an object to rotate. Under the condition of fixed power, it is inversely related to the rotating speed, the faster the rotating speed, the smaller the torque, and conversely, the larger the rotating speed, the external torque called the torque or called the external torque, and the internal called the internal torque or called the torque. In the application of the small torque worm gear speed reducer, the problem of lubricating oil oiling needs to be overcome.

The prior small-torque worm gear reducer has the defects that the waste is easily caused by excessive lubricating oil pouring at one time in the lubricating oil feeding process, and the lubricating oil pouring process is not easy to control.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a small-torque worm gear speed reducer structure, which solves the problems mentioned in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a little moment of torsion worm gear worm speed reducer structure, includes casing, the inside top pivoted worm of casing and rotates the worm wheel that sets up in the casing below, gapless meshing between worm and the worm wheel, the top of casing is provided with oil feed control mechanism.

As an improved technical scheme, advance oil control mechanism including fixing the oil seat at the casing top, the top of casing runs through and is fixed with the cover shell, and the outer wall of cover shell and the laminating of the inner wall of oil seat, the inner wall slip of cover shell has the removal seat, 7 type grooves have been seted up to the inside of removing the seat, 7 type grooves's two notch all extend to the surface of removing the seat, the through-hole has been seted up to one side of cover shell, and 7 type grooves's notch can coincide with the through-hole, the bottom of removing the seat is fixed with the spring, and the bottom of spring and the bottom of cover shell inner wall are fixed, the oil groove has been seted up in the bottom of cover shell running through.

As an improved technical scheme, an oil inlet is formed in one side of the top of the oil seat in a penetrating mode, and an oil plug is arranged in the oil inlet in a sliding mode.

As an improved technical scheme, limiting blocks are fixed on two sides of the surface of the movable seat, limiting grooves are formed in two sides of the inner wall of the casing, and the inner surfaces of the limiting grooves slide with the outer surfaces of the limiting blocks.

As an improved technical scheme, the top of the movable seat extends to the outside of the casing, and a handle is fixed to the top of the movable seat.

As an improved technical scheme, the left side and the right side of the surface of the shell are respectively provided with a first rubber plate in a fitting mode, and the first rubber plates are fixed on the shell through a plurality of first bolts.

As an improved technical scheme, the front side and the rear side of the surface of the shell are respectively provided with a second rubber plate in a fitting mode, and the second rubber plates are fixed on the shell through a plurality of second bolts.

Advantageous effects

The utility model provides a small-torque worm gear reducer structure. Compared with the prior art, the method has the following beneficial effects: this little moment of torsion worm gear speed reducer structure, through the setting of zero clearance meshing between worm and the worm wheel, can realize worm gear speed reducer's high-accuracy meshing to set up into oil control mechanism at the top of casing, utilize the slip process of moving the seat in the cover shell, can control the intercommunication process between 7 type grooves and the through-hole, can conveniently control the process of lubricating oil on the worm gear speed reducer, avoided lubricating oil disposable to empty too much the condition that causes the waste.

Drawings

FIG. 1 is a perspective view of an external structure of the present utility model;

FIG. 2 is a perspective view of the internal structure of the present utility model;

FIG. 3 is a partial perspective view of the present utility model;

fig. 4 is a schematic view of a partial perspective structure of the present utility model.

In the figure: 1-casing, 2-worm, 3-worm wheel, 4-oil feed control mechanism, 41-oil seat, 42-cover shell, 43-movable seat, 44-7 groove, 45-through hole, 46-spring, 47-oil outlet groove, 5-oil inlet, 6-oil plug, 7-stopper, 8-limit groove, 9-handle, 10-first rubber sheet, 11-first bolt, 12-second rubber sheet, 13-second bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the small-torque worm gear speed reducer structure comprises a machine shell 1, a worm 2 rotating above the interior of the machine shell 1 and a worm wheel 3 rotatably arranged below the machine shell 1, wherein the worm 2 and the worm wheel 3 are meshed without gaps, and an oil inlet control mechanism 4 is arranged at the top of the machine shell 1; the oil inlet control mechanism 4 comprises an oil seat 41 fixed at the top of the casing 1, lubricating oil is arranged in the oil seat 41, a casing 42 is fixedly penetrated at the top of the casing 1, the outer wall of the casing 42 is attached to the inner wall of the oil seat 41, a movable seat 43 is slidably arranged on the inner wall of the casing 42, the movable seat 43 is in sealing attachment with the casing 42, two notches of a 7-shaped groove 44,7 type groove 44 are formed in the movable seat 43 and extend to the surface of the movable seat 43, a through hole 45 is formed in one side of the casing 42, the notch of the 7-shaped groove 44 can be overlapped with the through hole 45, a spring 46 is fixed at the bottom of the movable seat 43, the elastic coefficient of the spring 46 can be set according to requirements, the bottom of the spring 46 is fixed with the bottom of the inner wall of the casing 42, and an oil outlet groove 47 is formed in penetrating manner at the bottom of the casing 42.

In this embodiment, an oil inlet 5 is provided through one side of the top of the oil seat 41, an oil plug 6 is slidably provided in the oil inlet 5, and the oil plug 6 is plugged and slid in the oil inlet 5 to play a role in dust prevention.

In this embodiment, the two sides of the surface of the movable seat 43 are both fixed with the limiting blocks 7, the two sides of the inner wall of the casing 42 are both provided with the limiting grooves 8, and the inner surfaces of the limiting grooves 8 slide with the outer surfaces of the limiting blocks 7, so that the stability of the movement of the movable seat 43 can be enhanced by the limiting blocks 7 and the limiting grooves 8.

In this embodiment, the top of the movable seat 43 extends to the outside of the casing 42, the handle 9 is fixed on the top of the movable seat 43, and the handle 9 is provided to facilitate the operation of the movable seat 43.

In this embodiment, the left and right sides on the surface of the casing 1 are all laminated and provided with the first rubber plate 10, and the first rubber plate 10 is arranged outside the input end of the worm 2, and the first rubber plate 10 is fixed on the casing 1 through a plurality of first bolts 11, and the vibration of the worm 2 can be slowed down through setting up the first rubber plate 10.

In this embodiment, the front and back sides on the surface of the casing 1 are respectively provided with a second rubber plate 12, the second rubber plates 12 are arranged outside the input end of the worm wheel 3, and the second rubber plates 12 are fixed on the casing 1 through a plurality of second bolts 13, so that the vibration of the worm wheel 3 can be slowed down through the arrangement of the second rubber plates 12.

And all that is not described in detail in this specification is well known to those skilled in the art.

During operation, firstly, the oil plug 6 is taken down from the oil inlet 5, then lubricating oil is poured into the oil seat 41, and the oil plug 6 is plugged into the oil inlet 5 again for sealing, when the lubricating oil is needed to be used, the handle 9 is only needed to be pressed down, the handle 9 is used for driving the movable seat 43 to move downwards, the spring 46 is compressed, the movable seat 43 moves downwards so that the limiting block 7 synchronously moves downwards in the limiting groove 8 until one notch of the 7-shaped groove is communicated with the through hole 45, at the moment, the lubricating oil in the oil seat 41 enters the 7-shaped groove and flows down from the other notch of the 7-shaped groove, finally, the lubricating oil is discharged into the meshing position of the worm 2 and the worm wheel 3 through the oil outlet groove 47, the handle 9 is loosened to restore the initial state under the action of the spring 46, the filling quantity of the lubricating oil can be controlled approximately manually, and the operation is more convenient.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a little moment of torsion worm gear speed reducer structure, includes casing, the inside top pivoted worm of casing and rotates the worm wheel that sets up in the casing below, its characterized in that: the worm is meshed with the worm wheel without gaps, and an oil inlet control mechanism is arranged at the top of the shell;

the oil inlet control mechanism comprises an oil seat fixed at the top of the casing, the top of the casing is fixedly penetrated with a casing, the outer wall of the casing is attached to the inner wall of the oil seat, the inner wall of the casing slides with a moving seat, a 7-shaped groove is formed in the inner side of the moving seat, two notches of the 7-shaped groove all extend to the surface of the moving seat, a through hole is formed in one side of the casing, the notch of the 7-shaped groove can be overlapped with the through hole, a spring is fixed at the bottom of the moving seat, the bottom of the spring is fixed with the bottom of the inner wall of the casing, and an oil outlet groove is formed in the bottom of the casing in a penetrating mode.

2. The small torque worm gear reducer structure according to claim 1, wherein: an oil inlet is formed in one side of the top of the oil seat in a penetrating mode, and an oil plug is arranged in the oil inlet in a sliding mode.

3. The small torque worm gear reducer structure according to claim 1, wherein: limiting blocks are fixed on two sides of the surface of the movable seat, limiting grooves are formed in two sides of the inner wall of the casing, and the inner surfaces of the limiting grooves slide with the outer surfaces of the limiting blocks.

4. The small torque worm gear reducer structure according to claim 1, wherein: the top of the movable seat extends to the outside of the casing, and a handle is fixed to the top of the movable seat.

5. The small torque worm gear reducer structure according to claim 1, wherein: the left and right sides of casing surface all laminate and are provided with first rubber slab, and first rubber slab passes through a plurality of first bolt fastening on the casing.

6. The small torque worm gear reducer structure according to claim 1, wherein: the front side and the rear side of the surface of the shell are respectively provided with a second rubber plate in a fitting mode, and the second rubber plates are fixed on the shell through a plurality of second bolts.