CN216143132U - Compound noise reduction gear - Google Patents

Abstract

The utility model discloses a composite noise reduction gear which comprises a gear body, wherein positioning holes are respectively formed in two ends of the outer portion of the gear body, damping grooves are formed in two sides of the outer surface of the gear body, damping plates are fixedly arranged on two sides of the inner portion of each damping groove, a damping spring is fixedly connected between every two adjacent damping plates, and a tooth hole is formed in the center of the gear body. According to the utility model, through the arrangement of the sound absorption wheel, the sound absorption cotton, the noise reduction wheel and the damping assembly, the vibration force generated by mutual meshing between the gear bodies can be reduced through the damping assembly, so that the noise is further reduced, and through the matching use of the sound absorption cotton and the plurality of sound absorption holes, the purpose of reducing the noise is further achieved by absorbing the noise, and through the use of the sound absorption wheel, the noise reduction wheel and the gear bodies with the threaded structures, the disassembly, assembly and maintenance are facilitated, and the use cost is reduced.

Description

Compound noise reduction gear

Technical Field

The utility model relates to the technical field of gears, in particular to a composite noise reduction gear.

Background

The gear is a mechanical element with teeth on the wheel rim and capable of continuously meshing to transmit motion and power, is a toothed mechanical part capable of meshing with each other, and means that when the meshed gear pair gear assembly transmits, noise radiated by vibration of the gear body is excited due to mutual collision or friction, and along with continuous improvement of requirements of people, the requirement on the noise is strict, the requirement on noise reduction gears is increased, and the requirement on noise reduction gears gradually becomes a large standard in gear processing production.

In current gear, most all are the integral type, just need change whole gear after peripheral tooth's socket or the terminal surface of gear receive wearing and tearing to increase use cost, the maintenance of not being convenient for causes the wasting of resources, and the gear can produce very big noise at meshing pivoted in-process, thereby causes sound pollution.

Therefore, it is necessary to invent a composite noise reduction gear to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a composite noise reduction gear, most of the existing gears are integrated, the whole gear needs to be replaced after a peripheral tooth socket or an end face of the gear is abraded, so that the use cost is increased, the maintenance is inconvenient, the resource waste is caused, and the gear generates great noise in the process of meshing rotation, so that the sound pollution is caused, and the defects in the technology are overcome.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a compound gear of making an uproar that falls, includes the gear body, the locating hole has been seted up respectively at the outside both ends of gear body, and the outside surface both sides of gear body have all seted up the shock attenuation groove, the inside both sides in shock attenuation groove are all fixed and are provided with the shock attenuation board, and are adjacent fixedly connected with damping spring between the shock attenuation board, the tooth hole has been seted up at the center of gear body, the one end threaded connection of gear body has the sound absorption wheel, and inhales the fixed location axle that is provided with of one end of sound wheel, the external fixation of location axle is provided with the guide block, the fixed connecting axle that is provided with of one end of sound absorption wheel, and the fixed internal thread that is provided with of inside of connecting axle to the external fixation of connecting axle is provided with the connection external screw thread, the other end threaded connection of gear body has the wheel of making an uproar, and the fixed installation axle that is provided with of the one end of the wheel of making an uproar that just falls.

Preferably, a guide groove is formed in the positioning hole, the guide groove is L-shaped, the guide groove is matched with the guide block, and the positioning shaft is matched with the positioning hole.

Preferably, the damping plates and the damping springs jointly form damping assemblies, the number of the damping assemblies is four, and the four damping assemblies are symmetrically distributed around the gear body.

Preferably, a gear internal thread is fixedly arranged inside the tooth hole and matched with the connecting external thread.

Preferably, the outside of installation axle is fixed and is provided with the installation external screw thread, installation external screw thread and connection internal thread phase-match.

Preferably, inhale the fixed sound cotton that inhales that is provided with in inside of sound wheel, inhale the cotton surface of sound and seted up a plurality of sound holes of inhaling, inhale the cotton material of sound and set up to the sponge material.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. through the arrangement of the positioning shaft, the positioning hole, the guide groove and the guide block, the positioning shaft, the positioning hole, the guide groove and the guide block are matched for use, the mounting and connecting stability of the noise reduction wheel, the noise reduction wheel and the gear body is further improved, and the noise reduction wheel, the gear body and the noise absorption wheel are further fixedly connected;

2. through inhaling the sound wheel, inhale the sound cotton, fall the setting of wheel and damper of making an uproar to be convenient for can reduce the produced vibrations power of intermeshing between the gear body through damper, thereby can realize noise reduction's purpose, and through inhaling the setting of sound cotton and a plurality of sound holes of inhaling, thereby be convenient for effectually adsorb the noise of production, further noise reduction's volume reduces sound pollution.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

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

FIG. 2 is a perspective view of the gear body of the present invention;

FIG. 3 is a perspective view of the locating hole and guide slot of the present invention;

FIG. 4 is a perspective view of the sound absorbing wheel and the connecting shaft of the present invention;

FIG. 5 is a perspective view of a noise reduction wheel of the present invention;

FIG. 6 is a perspective view of the sound absorbing wheel and the sound absorbing cotton according to the present invention.

Description of reference numerals:

1. a gear body; 2. positioning holes; 3. a guide groove; 4. a damping groove; 5. a damper plate; 6. a damping spring; 7. a perforation; 8. internal threads of the gear; 9. a sound absorbing wheel; 10. positioning the shaft; 11. a guide block; 12. a connecting shaft; 13. connecting the internal threads; 14. connecting external threads; 15. a noise reduction wheel; 16. installing a shaft; 17. installing external threads; 18. sound-absorbing cotton; 19. the sound absorbing hole.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a composite noise reduction gear as shown in figures 1-6, which comprises a gear body 1, wherein two ends of the outer part of the gear body 1 are respectively provided with a positioning hole 2, two sides of the outer surface of the gear body 1 are respectively provided with a damping groove 4, two sides of the inner part of each damping groove 4 are respectively fixedly provided with a damping plate 5, a damping spring 6 is fixedly connected between the adjacent damping plates 5, the center of the gear body 1 is provided with a tooth hole 7, one end of the gear body 1 is in threaded connection with a sound absorption wheel 9, one end of the sound absorption wheel 9 is fixedly provided with a positioning shaft 10, the outer part of the positioning shaft 10 is fixedly provided with a guide block 11, one end of the sound absorption wheel 9 is fixedly provided with a connecting shaft 12, the inner part of the connecting shaft 12 is fixedly provided with a connecting internal thread 13, the outer part of the connecting shaft 12 is fixedly provided with a connecting external thread 14, and the other end of the gear body 1 is in threaded connection with a noise reduction wheel 15, and one end of the noise reduction wheel 15 is fixedly provided with a mounting shaft 16.

Further, in above-mentioned technical scheme, guide way 3 has been seted up to the inside of locating hole 2, guide way 3 sets up to "L" shape, guide way 3 and guide block 11 phase-match, location axle 10 and locating hole 2 phase-match thereby the guide way 3 through "L" shape setting is convenient for make guide block 11 use with it and can be to the effect of a fixed location to the tone absorption wheel 9, fall and make an uproar between wheel 15 and the gear body 1 to further improvement tone absorption wheel 9, fall the installation connection's between wheel 15 and the gear body 1 steadiness of making an uproar.

Furthermore, in the above technical solution, the damping plate 5 and the damping spring 6 jointly form damping assemblies, the number of the damping assemblies is four, the four damping assemblies are symmetrically distributed about the gear body 1, and the four damping assemblies are arranged, so that when vibration is generated by mutual engagement between the gear bodies 1, a damping effect can be well achieved, and the purpose of reducing noise can be achieved by reducing vibration force.

Further, in above-mentioned technical scheme, the fixed gear internal thread 8 that is provided with in inside of perforation 7, gear internal thread 8 with be connected external screw thread 14 phase-match, the external fixation of installation axle 16 is provided with installation external screw thread 17, installation external screw thread 17 and the use that is connected internal screw thread 13 phase-match through helicitic texture to be convenient for make inhale sound wheel 9, fall and make an uproar wheel 15 and gear body 1 and can assemble, and through the structure of equipment, use when being convenient for maintain and change, reduce cost.

Further, in above-mentioned technical scheme, inhale the fixed sound cotton 18 that is provided with in inside of sound wheel 9, inhale the surface of sound cotton 18 and seted up a plurality of sound holes 19 of inhaling, inhale the material of sound cotton 18 and set up to the sponge material, thereby inhale the effectual noise to the production of being convenient for through inhaling the setting of sound cotton 18 and a plurality of sound holes 19, thereby through the volume to the further noise reduction of the absorbent effect of noise, noise abatement's sound pollution.

This practical theory of operation:

referring to the attached drawings 1-6 of the specification, firstly, a gear body 1, a sound absorption wheel 9 and a noise reduction wheel 15 are assembled, in the assembling process, the sound absorption wheel 9 and the gear body 1 are installed firstly, a connecting shaft 12 at one end of the sound absorption wheel 9 is aligned with a tooth hole 7, then the internal thread 8 of the gear is matched with a connecting external thread 14 for use, so that the sound absorption wheel 9 and the gear body 1 are connected in a threaded mode, meanwhile, after the internal thread 8 of the gear is sufficiently screwed with the connecting external thread 14, a positioning shaft 10 and a positioning hole 2 are on the same central axis, then the positioning shaft 10 is pushed until the positioning shaft is clamped into the positioning hole 2, in the clamping process, a guide block 11 on the positioning shaft 10 is connected with an L-shaped guide groove 3, the L-shaped guide groove 3 is convenient for enabling the guide block 11 to follow the L-shaped structure until the guide block 11 is moved to the L-shaped clamp angle, and then the positioning shaft 10 is rotated to drive the guide block 11 to be connected with the L-shaped clamp angle The guide block 11 is continuously moved along the arc-shaped notch until the guide block is moved so as to play a role of locking and fixing the sound absorption wheel 9 and the gear body 1, thereby further improving the stability of the installation and connection between the sound absorption wheel 9 and the gear body 1, then the installation shaft 16 on the noise reduction wheel 15 is continuously connected in the connecting shaft 12, the noise reduction wheel 15 is conveniently connected with the sound absorption wheel 9 by matching the installation external thread 17 and the connection internal thread 13, the noise reduction wheel 15 is conveniently installed at the other end of the gear body 1, then the positioning shaft 10 and the positioning hole 2 are clamped and connected with each other to be used, thereby further fixedly connecting the noise reduction wheel 15 with the gear body 1 and the sound absorption wheel 9 to form a whole, and when the whole gear body 1 is used, the phenomenon of vibration generated by mutual meshing among a plurality of gear bodies 1 can be effectively relieved through the use of the damping plate 5 and the damping spring 6, thereby can reach the effect to the noise reduction through the reduction of vibrations power to thereby inhale the cotton 18 of inhaling the sound and the setting of a plurality of sound holes 19 of inhaling through inhaling in the wheel 9 and be convenient for effectually adsorb the noise that produces, thereby the volume of further noise reduction.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims (6)

1. The utility model provides a compound noise reduction gear, includes gear body (1), its characterized in that: the gear comprises a gear body (1), wherein positioning holes (2) are respectively formed in two ends of the outer part of the gear body (1), damping grooves (4) are respectively formed in two sides of the outer surface of the gear body (1), damping plates (5) are fixedly arranged on two sides of the inner part of each damping groove (4), a damping spring (6) is fixedly connected between every two adjacent damping plates (5), a tooth hole (7) is formed in the center of the gear body (1), a sound absorbing wheel (9) is in threaded connection with one end of the gear body (1), a positioning shaft (10) is fixedly arranged at one end of the sound absorbing wheel (9), a guide block (11) is fixedly arranged on the outer part of the positioning shaft (10), a connecting shaft (12) is fixedly arranged at one end of the sound absorbing wheel (9), a connecting internal thread (13) is fixedly arranged inside the connecting shaft (12), and an external thread (14) is fixedly arranged on the outer part of the connecting shaft (12), the other end of the gear body (1) is in threaded connection with a noise reduction wheel (15), and one end of the noise reduction wheel (15) is fixedly provided with an installation shaft (16).

2. A composite noise reducing gear according to claim 1, wherein: the positioning device is characterized in that a guide groove (3) is formed in the positioning hole (2), the guide groove (3) is L-shaped, the guide groove (3) is matched with a guide block (11), and the positioning shaft (10) is matched with the positioning hole (2).

3. A composite noise reducing gear according to claim 1, wherein: shock attenuation board (5) and damping spring (6) constitute damper assembly jointly, damper assembly's quantity sets up to four groups, four groups damper assembly is about gear body (1) symmetric distribution.

4. A composite noise reducing gear according to claim 1, wherein: the gear is characterized in that a gear internal thread (8) is fixedly arranged inside the tooth hole (7), and the gear internal thread (8) is matched with the connecting external thread (14).

5. A composite noise reducing gear according to claim 1, wherein: the external fixation of installation axle (16) is provided with installation external screw thread (17), installation external screw thread (17) and connection internal thread (13) phase-match.

6. A composite noise reducing gear according to claim 1, wherein: inhale the fixed sound cotton (18) of inhaling that is provided with in inside of sound wheel (9), inhale the surface of sound cotton (18) and seted up a plurality of sound holes (19) of inhaling, the material of inhaling sound cotton (18) sets up to the sponge material.

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