CN217003011U

CN217003011U - Dustproof speed reducer

Info

Publication number: CN217003011U
Application number: CN202122646069.XU
Authority: CN
Inventors: 钱益鼎; 卞建平; 邹利明; 赵敏飞; 吴德林
Original assignee: Jiangsu Baolilai New Power Machinery Co ltd
Current assignee: Jiangsu Baolilai New Power Machinery Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-07-19
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a dustproof speed reducer which comprises a shell, wherein a filter hole ring is arranged on the outer side of the shell, a shaft hole is formed in the shell, movable frames are arranged on two sides in the shell, a turbine is arranged at one end of the shell, a worm is arranged on the side surface of the turbine, after the speed reducer is started, the worm starts to rotate under the driving of external torque, the turbine is driven to rotate under the meshing action, the speed reduction rotation is realized under the general use of the two, and meanwhile, under the action of the filter hole ring, dust entering the shaft hole in the shell can be cleaned when the movable frames move.

Description

Dustproof speed reducer

Technical Field

The utility model relates to the technical field of speed reducers, in particular to a dustproof speed reducer.

Background

The speed reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery.

Because the speed reducer moves in a closed space and is applied to various factories with complex environments, various large-particle dust or other impurities often enter the inside of a shell of the speed reducer, the mechanical movement inside the speed reducer is limited, and the operation efficiency of machinery is affected.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a dustproof speed reducer to solve the problems of the related art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a dust-protection type speed reducer, includes the casing, the outside of casing is provided with the filtration pore ring, the inside axle center hole that is provided with of casing, the inside both sides of casing are provided with the movable frame, the one end of casing is provided with the turbine, the side of turbine is provided with the worm, and after the device starts, the worm begins to rotate under the drive of outside torque, and it rotates because of the meshing action drives the turbine, realizes the rotation that slows down under both general uses, simultaneously under the effect of filtration pore ring for the movable frame when the motion, can be with the dust clearance of the inside entering of axle center hole in the casing, utilize above-mentioned mode, can not block dust or other impurity in making the axle center hole, avoid it to lead to the device operation restricted because of the card income dust.

According to the technical scheme, install the actuating lever on the terminal surface of turbine, inside the axle center hole was worn to locate by the actuating lever, turbine and worm intermeshing, the number of teeth of turbine is less than the number of teeth of worm.

According to the technical scheme, the movable cavity is formed in the shell and located on the outer side of the shaft center hole, and the eccentric wheel is arranged inside the movable cavity.

According to the technical scheme, the eccentric wheel is installed inside the movable cavity through the non-circle center position, and the movable frame is sleeved on the outer side of the eccentric wheel.

According to the technical scheme, the filter hole ring and the shell are symmetrically provided with the two through holes at the contact position, the air pipe is arranged between the movable cavity and the axle center hole, and the movable cavity and the axle center hole are connected in a through mode through the air pipe.

According to the technical scheme, the air pipe is obliquely arranged between the movable cavity and the axle center hole, and the intersection of the axle center hole and the movable cavity is provided with the inclined hole.

Compared with the prior art, the utility model has the following beneficial effects: through being provided with the movable frame, after the device starts, the worm begins to rotate under the drive of outside torque, and it drives the turbine rotation because of the meshing effect, realizes the rotation of slowing down under both general uses, simultaneously under the effect of straining the ring of holes for the movable frame is when the motion, can clear up the dust that the axle center hole inside got into in the casing, utilizes above-mentioned mode, makes can not block dust or other impurity in the axle center hole, avoids it to lead to the device to move limitedly because of the card income dust.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic sectional elevation view of the housing of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2 of the present invention;

in the figure: 1. a housing; 2. a filter hole ring; 3. a worm; 4. a turbine; 5. a drive rod; 6. a movable cavity; 7. an air pipe; 8. a shaft center hole; 9. a movable frame; 10. an eccentric wheel; 11. a through hole; 12. and (5) inclined holes.

Detailed Description

The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a dust-protection type speed reducer, includes casing 1, casing 1's the outside is provided with

filtration ring

2, 1 inside axle center hole 8 that is provided with of casing, 1 inside both sides of casing are provided with movable frame 9, casing 1's one end is provided with turbine 4, the side of turbine 4 is provided with worm 3, install actuating lever 5 on the terminal surface of turbine 4, inside axle center hole 8 was worn to locate by actuating lever 5, turbine 4 and worm 3 intermeshing, the number of teeth of turbine 4 is less than the number of teeth of worm 3.

The inside outside that is located axle center hole 8 of casing 1 has seted up movable chamber 6, the inside eccentric wheel 10 that is provided with in activity chamber 6, eccentric wheel 10 installs in the inside in activity chamber 6 through non-centre of a circle position, movable frame 9 cup joints in the outside of eccentric wheel 10, two through-holes 11 have been seted up to the position symmetry that filtration pore ring 2 and casing 1 contacted, install trachea 7 between activity chamber 6 and the axle center hole 8, trachea 7 is with activity chamber 6 and axle center hole 8 through connection, trachea 7 slant sets up between activity chamber 6 and axle center hole 8, inclined hole 12 has been seted up to the crossing department in axle center hole 8 and activity chamber 6.

The working principle is as follows: when the device starts the back, worm 3 begins to rotate under the drive of external torque, and it drives turbine 4 because of the meshing relation and rotates, and turbine 4 drives actuating lever 5 and rotates, because the number of teeth of turbine 4 is less than the number of teeth of worm 3, so the rotational speed of turbine 4 is full of worm 3, realizes the speed reduction effect.

In addition, after the device is started, the eccentric wheel 10 starts to rotate under the driving of external torque, because the position of the eccentric wheel installed in the movable cavity 6 is the non-circle center position, when the eccentric wheel rotates, the movable frame 9 reciprocates up and down, when the movable frame 9 moves upwards, the air above the inner part of the movable cavity 6 is extruded out from the through hole 11 above until the movable frame moves to block the through hole 11, the movable frame continues to move upwards, the air in the movable cavity 6 is extruded into the axial hole 8 from the air pipe 7, because the air pipe 7 is obliquely arranged, the air pipe can blow out dust in the axial hole 8 by utilizing extruded airflow, meanwhile, when the movable frame 9 moves upwards, the through hole 11 below sucks the external air into the movable cavity 6, and through the blocking of the filter hole ring 2, large particle substances in the air cannot enter the movable cavity 6 until the movable frame 9 changes direction, the air below the movable cavity 6 is squeezed into the shaft center hole 8 from the inclined hole 12 downwards, dust below the inner part of the shaft center hole 8 is blown out, and the phenomenon that the operation of the device is affected by the fact that the dust or other impurities are clamped into the inner part of the shaft center hole is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dust-protection type speed reducer, includes casing (1), its characterized in that: the outside of casing (1) is provided with strain ring (2), casing (1) inside is provided with axle center hole (8), the inside both sides of casing (1) are provided with movable frame (9), the one end of casing (1) is provided with turbine (4), the side of turbine (4) is provided with worm (3).

2. The dust-proof speed reducer according to claim 1, characterized in that: install actuating lever (5) on the terminal surface of turbine (4), inside axle center hole (8) were worn to locate in actuating lever (5), turbine (4) and worm (3) intermeshing, the number of teeth of turbine (4) is less than the number of teeth of worm (3).

3. The dust-proof speed reducer according to claim 1, wherein: the movable cavity (6) is formed in the outer side, located in the shaft center hole (8), of the shell (1), and an eccentric wheel (10) is arranged inside the movable cavity (6).

4. The dust-proof speed reducer according to claim 3, wherein: the eccentric wheel (10) is arranged in the movable cavity (6) through a non-circle center position, and the movable frame (9) is sleeved on the outer side of the eccentric wheel (10).

5. The dust-proof speed reducer according to claim 3, wherein: two through holes (11) have been seted up to the position symmetry that straining ring (2) and casing (1) contacted, install trachea (7) between activity chamber (6) and axle center hole (8), trachea (7) will move about chamber (6) and axle center hole (8) through connection.

6. The dust-proof speed reducer according to claim 5, wherein: trachea (7) slant sets up between activity chamber (6) and axle center hole (8), inclined hole (12) have been seted up to the crossing department in axle center hole (8) and activity chamber (6).