CN217152911U

CN217152911U - Speed reducer with noise reduction function

Info

Publication number: CN217152911U
Application number: CN202221005506.8U
Authority: CN
Inventors: 刘桂明; 邹庆; 李永平
Original assignee: Alpa Power Technology Jiangsu Co ltd
Current assignee: Alpa Power Technology Jiangsu Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-09
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to a speed reducer technical field specifically is a speed reducer with function of making an uproar falls, including speed reducer body, vacuum pump, the frame is installed to speed reducer body bottom, fastening screw is installed at speed reducer body surface both ends, fastening nut is installed to the fastening screw bottom. The utility model discloses an install the protecting crust and live in the parcel of the speed reducer body outside, before the operation of speed reducer body, extract the inside air of protecting crust by the vacuum pump, make the inside relative vacuum environment that forms of protecting crust, then when the motor operation, the noise that produces is inhaled behind the sound sponge absorption part, principle that can't propagate in vacuum environment through sound, make the noise that weakens completely cut off at the inside double-layered inslot of protecting crust, play the effect of making an uproar of falling, and the elasticity that produces through damping spring is supporting the frame bottom, striking when unable back of frame is at the unable fixed base surface, damping spring can play buffering striking effect, thereby the size of noise reduction.

Description

Speed reducer with noise reduction function

Technical Field

The utility model relates to a speed reducer technical field specifically is a speed reducer with function of making an uproar is fallen.

Background

The speed reducer mainly comprises a transmission part, a shaft, a bearing, a box body and accessories thereof. The speed reducer is an independent closed transmission device between the prime motor and the working machine and is used for reducing the rotating speed and increasing the torque so as to meet the working requirement. 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.

When the speed reducer uses, because the sound that the meshing friction of gear can produce to and the not hard up of speed reducer frame fastening screw, lead to the frame to rock the sound that causes with the collision of installation fixing base, all are a noise, be in the noise environment for a long time, can lead to hearing decline, tinnitus, dizziness, have certain potential safety hazard, consequently need to design a speed reducer with the function of making an uproar falls urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a speed reducer with function of making an uproar falls to the sound that proposes in solving above-mentioned background art when the speed reducer uses because the meshing friction of gear can produce to and the not hard up of speed reducer frame fastening screw, lead to the frame to rock the sound that causes with the collision of installation fixing base, all be a noise, be in the noise environment for a long time, can lead to hearing decline, tinnitus, dizziness, have the problem of certain potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a speed reducer with function of making an uproar is fallen, includes speed reducer body, vacuum pump, the frame is installed to speed reducer body bottom, fastening screw is installed at speed reducer body surface both ends, fastening nut is installed to the fastening screw bottom, unable adjustment base is installed to speed reducer body bottom, unable adjustment base surface circular recess internally mounted has damping spring, the damping spring top is installed to support the piece, speed reducer body externally mounted has the protecting crust, the connecting pipe is installed on the protecting crust top, connecting pipe one end is connected with the vacuum pump, the sound sponge is inhaled to the installing of protecting crust inboard, the inserted block is installed to the protecting crust bottom the inserted block with be provided with the buckle subassembly between the frame.

Preferably, circular slotted holes are formed in the surface of the base and the surface of the fixed base, and the fastening screw is inserted into the circular slotted hole in the surface of the speed reducer body and the circular slotted hole in the surface of the fixed base.

Preferably, a clamping groove is formed in the protective shell, and the bottom end of the connecting pipe is communicated with the clamping groove in the protective shell.

Preferably, the buckle subassembly is including offering in the inboard mounting groove of frame surface rectangle recess, mounting groove internally mounted has the bayonet lock, the connecting block is installed on bayonet lock top side, the promotion slider is installed on the connecting block top, the bayonet lock surface with install the elasticity spring between the mounting groove inboard, just the arc recess has been seted up on the inserted block surface, the bayonet lock is inserted and is located in the surperficial arc recess of inserted block.

Preferably, the surface of the fastening screw is provided with a slotted hole, and the top end of the connecting block and the slotted hole on the surface of the fastening screw form a sliding structure.

Preferably, the surface of the pushing sliding block is provided with a spherical lug.

Compared with the prior art, the beneficial effects of the utility model are that:

1. after installing the motor on unable adjustment base surface, then detain the inserted block through buckle subassembly, make the protecting crust install and live in speed reducer body outside parcel, before speed reducer body operation, extract the inside air of protecting crust by the vacuum pump, make the inside relative vacuum environment that forms of protecting crust, then when motor operation, the noise that produces is inhaled behind sound sponge absorbing part, through the principle that sound can't propagate in vacuum environment, make the noise that weakens isolated at the inside double-layered inslot of protecting crust, play the effect of making an uproar, and the elasticity that produces through damping spring is supporting the frame bottom, when the striking is on unable adjustment base surface after the frame is not hard up, damping spring can play buffering striking effect, thereby the size of noise reduction.

Drawings

Fig. 1 is a three-dimensional schematic diagram of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a portion of the structure at a in fig. 2 according to the present invention;

fig. 4 is a three-dimensional schematic diagram of the structure of the insert block and the bayonet lock of the present invention.

In the figure: 1. a speed reducer body; 101. a machine base; 102. fastening a screw rod; 103. fastening a nut; 2. a fixed base; 201. a damping spring; 202. a resisting block; 3. a protective shell; 301. a connecting pipe; 302. a vacuum pump; 303. sound-absorbing sponge; 304. inserting a block; 4. mounting grooves; 401. a bayonet lock; 402. connecting blocks; 403. pushing the sliding block; 404. an elastic spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a speed reducer with a noise reduction function comprises a speed reducer body 1 and a vacuum pump 302, wherein the vacuum pump 302 is a product directly available in the market, its principle and connected mode are the prior art that technical personnel are familiar with, so no longer describe herein, frame 101 is installed to 1 bottom of speed reducer body, fastening screw 102 is installed at 1 surperficial both ends of speed reducer body, fastening nut 103 is installed to fastening screw 102 bottom, unable adjustment base 2 is installed to 1 bottom of speed reducer body, the circular recess internally mounted in unable adjustment base 2 surface has damping spring 201, damping spring 201 installs on the top and supports

piece

202, 1 externally mounted of speed reducer body has protecting crust 3, connecting pipe 301 is installed on 3 tops of protecting crust, connecting pipe 301 one end is connected with vacuum pump 302, the sound sponge 303 of inhaling is installed to 3 inboard protecting crust, be provided with buckle assembly between inserting block 304 and the frame 101 is installed to 3 bottoms of protecting crust.

Furthermore, circular slotted holes are formed in the surface of the base 101 and the surface of the fixed base 2, the fastening screws 102 are inserted into the circular slotted holes in the surface of the speed reducer body 1 and the circular slotted holes in the surface of the fixed base 2, the fastening screws 102 penetrate and are connected in parallel inside the circular slotted holes in the surface of the base 101 and the circular slotted holes in the surface of the fixed base 2, and then the fastening nuts 103 are screwed up in a rotating mode, so that the base 101 is fixedly installed on the fixed base 2.

Further, the inside double-layered groove of having seted up of protecting crust 3, connecting pipe 301 bottom and the inside double-layered groove of protecting crust 3 switch-on mutually, through the inside double-layered groove that sets up of protecting crust 3 after, by connecting pipe 301 with the inside air suction of protecting crust 3, form vacuum environment, can completely cut off the propagation of noise.

Further, the buckle assembly comprises a mounting groove 4 arranged on the inner side of a rectangular groove on the surface of the base 101, a bayonet pin 401 is arranged in the mounting groove 4, a connecting block 402 is arranged on the top side of the bayonet pin 401, a pushing slider 403 is arranged on the top end of the connecting block 402, an elastic spring 404 is arranged between the surface of the bayonet pin 401 and the inner side of the mounting groove 4, an arc-shaped groove is arranged on the surface of the inserting block 304, the bayonet pin 401 is inserted into the arc-shaped groove on the surface of the inserting block 304, one end of the bayonet pin 401 is clamped into the arc-shaped groove on the surface of the inserting block 304 by the elastic force generated by the elastic spring 404, the inserting block 304 is limited, the inserting block 304 is fixed, the protective shell 3 is prevented from falling off, when the limiting effect on the inserting block 304 is achieved by contacting, the pushing slider 403 to slide by fingers, then the pushing slider 403 drives the connecting block 402 to control the bayonet pin 401 to move and contract into the mounting groove 4, so that the bayonet pin 401 is inserted into one end of the arc-shaped groove on the surface of the inserting block 304 to move out, thereby facilitating removal of the insert 304.

Furthermore, a slotted hole is formed in the surface of the fastening screw 102, the top end of the connecting block 402 and the slotted hole in the surface of the fastening screw 102 form a sliding structure, and the connecting block 402 is prevented from shaking in parallel movement due to the limiting effect of the slotted hole.

Further, the surface of the pushing sliding block 403 is provided with a spherical bump, and the spherical bump is made of colloid material, so that the friction resistance of the pushing sliding block 403 contacting with the hand is increased when the pushing sliding block is pushed by the hand to move.

The working principle is as follows: when a worker uses the device, firstly, the device is externally connected with a power supply, thereby providing electric power support for the device, the speed reducer body 1 is fixedly arranged on the surface of the fixed base 2 through the fastening screw rod 102 and the fastening screw cap 103, then after the protective shell 3 is covered outside the speed reducer body 1, one end of the clamping pin 401 is clamped into the arc-shaped groove on the surface of the insertion block 304 through the elastic force of the elastic spring 404, so that the protective shell 3 is fixedly arranged, then before the speed reducer body 1 operates, the air in the clamping groove in the protective shell 3 is extracted through the vacuum pump 302, then the noise generated during the operation of the motor is firstly absorbed by the sound-absorbing sponge 303, the weakened noise is isolated in the clamping groove in the protective shell 3 through the principle that the sound can not be transmitted in the vacuum environment, thereby playing a role of noise reduction, secondly, after the motor operates for a long time, the fastening screw rod 102 and the fastening screw cap 103 which are fixedly arranged can be loosened, the fastening screw 102 can impact the surface of the fixing base 2 when shaking, and the elastic force of the damping spring 201 abuts against the abutting block 202, so that the fastening screw 102 can play a role in buffering when impacting the surface of the fixing base 2, and noise generated by impact is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a speed reducer with function of making an uproar is fallen, includes speed reducer body (1), vacuum pump (302), its characterized in that: the bottom end of the speed reducer body (1) is provided with a base (101), two ends of the surface of the speed reducer body (1) are provided with fastening screws (102), a fastening nut (103) is arranged at the bottom end of the fastening screw rod (102), a fixed base (2) is arranged at the bottom end of the speed reducer body (1), a damping spring (201) is arranged in the circular groove on the surface of the fixed base (2), the top end of the damping spring (201) is provided with a resisting block (202), the exterior of the speed reducer body (1) is provided with a protective shell (3), a connecting pipe (301) is arranged at the top end of the protective shell (3), one end of the connecting pipe (301) is connected with a vacuum pump (302), sound sponge (303) are inhaled to protective housing (3) inboard installation, inserted block (304) are installed to protective housing (3) bottom inserted block (304) with be provided with buckle subassembly between frame (101).

2. A reducer with a noise reduction function according to claim 1, wherein: circular slotted holes are formed in the surface of the base (101) and the surface of the fixed base (2), and the fastening screw (102) is inserted into the circular slotted holes in the surface of the speed reducer body (1) and the circular slotted holes in the surface of the fixed base (2).

3. A reducer with a noise reduction function according to claim 1, wherein: the protective shell (3) is internally provided with a clamping groove, and the bottom end of the connecting pipe (301) is communicated with the clamping groove in the protective shell (3).

4. A reducer with a noise reduction function according to claim 1, wherein: the buckle subassembly is including offering in inboard mounting groove (4) of frame (101) surface rectangle recess, mounting groove (4) internally mounted has bayonet lock (401), connecting block (402) are installed to bayonet lock (401) top side, connecting block (402) top is installed and is promoted slider (403), bayonet lock (401) surface with install elastic spring (404) between mounting groove (4) the inboard, just arc recess has been seted up on inserted block (304) surface, bayonet lock (401) are inserted and are located in the arc recess of inserted block (304) surface.

5. A reducer with a noise reduction function according to claim 4, wherein: a slotted hole is formed in the surface of the fastening screw (102), and the top end of the connecting block (402) and the slotted hole in the surface of the fastening screw (102) form a sliding structure.

6. A reducer with a noise reduction function according to claim 4, wherein: the surface of the pushing sliding block (403) is provided with a spherical lug.