CN214380820U

CN214380820U - Voltage-controlled oscillator with noise reduction function

Info

Publication number: CN214380820U
Application number: CN202022913407.7U
Authority: CN
Inventors: 吕宏; 余本双; 王伟
Original assignee: Shiyan Weifu Electromechanical Equipment Co ltd
Current assignee: Shiyan Weifu Electromechanical Equipment Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-08
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to an oscillator technical field just discloses voltage controlled oscillator with function of making an uproar is fallen, including the oscillator main part, oscillator main part front mounted has the device case, and device case internally mounted has the motor, and the preceding rotation of motor is connected with incomplete gear, and the right side meshing of incomplete gear is connected with tooth spare, and tooth spare below is provided with the pump bowl, the top inner wall fixedly connected with second spring of pump bowl, the lower extreme fixedly connected with piston of second spring. This voltage controlled oscillator with function of making an uproar falls, tooth spare moves down under the pulling force of second spring after tooth spare and incomplete gear break away from, can drive the piston when tooth spare moves down, the piston moves down can be with the inside air compression of exhaust tube and discharge, can pass through the inside absorbed air of intake pipe from the oscillator main part when the piston moves up, the noise then is followed the gas and is absorbed and discharge to reached and carried out noise reduction to the oscillator when the oscillator is worked, the effect of noise pollution is reduced.

Description

Voltage-controlled oscillator with noise reduction function

Technical Field

The utility model relates to an oscillator technical field specifically is a voltage controlled oscillator with function of making an uproar is fallen.

Background

The voltage-controlled oscillator is an oscillating circuit with output frequency corresponding to input control voltage, the frequency is an oscillator of a function of input signal voltage, the working state of the oscillator or the element parameters of an oscillating circuit are controlled by the input control voltage to form the voltage-controlled oscillator, and the technical innovation of the oscillator is urgent along with the increase of the demand of the oscillator in the market. There are a number of problems with oscillators on the market: a large amount of noise generated by the oscillator during operation is difficult to eliminate, so that noise pollution is caused; in order to solve the problem that the service life of a radiating element of the oscillator is reduced due to poor radiating effect of the driving element, a voltage-controlled oscillator with a noise reduction function is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a voltage controlled oscillator with function of making an uproar falls possesses and falls the processing of making an uproar to the oscillator at the oscillator during operation, noise pollution abatement, and dispel the heat to oscillator drive components and parts, avoid the too high and advantage that damages of components and parts temperature, it is difficult in order to eliminate to have solved the oscillator at the during operation production a large amount of noises, cause noise pollution, the oscillator drive element can produce a large amount of heats in the use, the not good problem that causes oscillator radiating element life-span to descend of drive element radiating effect.

(II) technical scheme

For the aforesaid of realizing carrying out noise reduction treatment to the oscillator at the oscillator during operation, reduce noise pollution to driving components and parts to the oscillator dispel the heat, avoid components and parts high temperature and the purpose of damaging, provide following technical scheme:

a voltage-controlled oscillator with a noise reduction function comprises an oscillator main body, wherein a device box is fixedly mounted in front of the oscillator main body, a motor is mounted inside the device box, an incomplete gear is rotatably connected in front of the motor, an air guide pipe is fixedly connected to the left end of the motor, a supporting seat is fixedly connected to the bottom of the motor, a tooth part is meshed and connected to the right side of the incomplete gear, a rotating part is arranged above the tooth part, an extrusion part is arranged on the left side of the rotating part, a first spring is fixedly connected to the inner side of the left part of the extrusion part, and an elastic bag is arranged on the left side of the extrusion part;

the tooth piece's lower part outside is provided with the pump bowl, the top inner wall fixedly connected with second spring of pump bowl, the lower extreme fixedly connected with piston of second spring, the right side fixedly connected with outlet duct of pump bowl, the left side fixedly connected with intake pipe of pump bowl, the rear end fixedly connected with piece of taking out gas of intake pipe.

Preferably, a rotating shaft is fixedly connected to the right end of the motor and the inside of the incomplete gear, and the outer side of the rotating shaft is rotatably connected to the inside of the motor.

Preferably, the rear surface of the rotating part is fixedly connected with a connecting shaft, and the connecting shaft is rotatably connected with the inner wall of the rear side of the device box.

Preferably, the interior of the elastic bag is fixedly connected with the upper end of the air guide tube, and the lower end of the air guide tube is fixedly connected with the left end of the motor.

Preferably, the top of the piston is fixedly connected with the lower end of the tooth piece, and the outer side of the piston is in sliding connection with the inside of the air extraction cylinder.

Preferably, the rear end of the air exhaust piece is fixedly connected with the front inner wall of the oscillator main body, and a sealing ring is arranged at the joint of the rear end of the air exhaust piece and the inner wall of the oscillator main body.

(III) advantageous effects

Compared with the prior art, the utility model provides a voltage controlled oscillator with function of making an uproar is fallen possesses following beneficial effect:

1. this voltage controlled oscillator with function of making an uproar is fallen, the motor drives the incomplete gear rotation when rotating, the tooth of incomplete gear can drive tooth spare when meshing with tooth spare and shift up, thereby the lower part that the extrusion rotated the piece when tooth spare shifts up drives and rotates through the connecting axle and rotate, thereby it exerts a power to drive the extrusion piece to move left extrusion elastic bag to rotate upper portion when rotating the piece and rotate, the motor passes through the air duct and transmits the hot air to the elastic bag, the elastic bag can discharge inside hot air after receiving the extrusion, the elastic bag can expand and absorb hot air through the air duct when not receiving the extrusion piece extrusion, heat in the motor exchanges through gas, reached through above structure and dispelled the heat to oscillator drive components and parts, avoid components and parts high temperature and damage, improve oscillator components and parts life's effect.

2. This voltage controlled oscillator with function of making an uproar falls, tooth spare gets back to the initial position under the pulling force of second spring after tooth spare and incomplete gear break away from, tooth spare moves down at this in-process, can drive the piston and move down when tooth spare moves down, the piston moves down can be with the inside air compression and the discharge of exhaust column, can pass through the inside absorption air of intake pipe follow oscillator main part when the piston moves up, the noise then is followed the gas and is absorbed and discharge, thereby reached and carried out noise reduction to the oscillator when oscillator work, the effect of noise pollution is reduced.

Drawings

FIG. 1 is a schematic front sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the front side of the structure of the utility model;

FIG. 3 is a schematic view of the utility model in a front partial sectional view;

fig. 4 is an enlarged schematic view of the area a in the structure of the utility model fig. 3.

In the figure: 100. an oscillator main body; 200. a device case; 300. a motor; 301. an incomplete gear; 302. an air duct; 303. a supporting seat; 400. a tooth member; 500. a rotating member; 501. an extrusion; 502. a first spring; 503. an elastic bag; 600. an air pumping cylinder; 601. a second spring; 602. a piston; 603. an air outlet pipe; 604. an air inlet pipe; 605. an air extracting member.

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, and it is obvious that the described embodiments are only a part of the embodiments, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work fall within the scope of protection.

Referring to fig. 1-4, a voltage-controlled oscillator with noise reduction function includes an oscillator main body 100, a device box 200 is fixedly installed in front of the oscillator main body 100, a motor 300 is installed inside the device box 200, an incomplete gear 301 is rotatably connected in front of the motor 300, an air duct 302 is fixedly connected to the left end of the motor 300, a support base 303 is fixedly connected to the bottom of the motor 300, a tooth element 400 is engaged and connected to the right side 1 of the incomplete gear 301, a rotating element 500 is arranged above the tooth element 400, an extrusion piece 501 is arranged on the left side of the rotating element 500, a first spring 502 is fixedly connected to the inner side of the left portion of the extrusion piece 501, and an elastic bag 503 is arranged on the left side of the extrusion piece 501;

the outer side of the lower portion of the tooth piece 400 is provided with an air pumping cylinder 600, the top inner wall of the air pumping cylinder 600 is fixedly connected with a second spring 601, the lower end of the second spring 601 is fixedly connected with a piston 602, the right side of the air pumping cylinder 600 is fixedly connected with an air outlet pipe 603, the left side of the air pumping cylinder 600 is fixedly connected with an air inlet pipe 604, and the rear end of the air inlet pipe 604 is fixedly connected with an air pumping piece 605.

According to the technical scheme, the motor 300 is a single-phase motor in the prior art, the model of the motor is ACM6004M2H, the elastic bag 503 can discharge heat in the motor 300 after being compressed, and the elastic bag 503 can absorb hot air from the motor 300 when being expanded; the pump 600 absorbs noise generated inside the oscillator body 100 by pumping and exhausting, and the noise propagates through the gas.

Specifically, a rotating shaft is fixedly connected to the right end of the motor 300 and the inside of the incomplete gear 301, and the outer side of the rotating shaft is rotatably connected to the inside of the motor 300.

According to the above technical solution, when the motor 300 rotates, the incomplete gear 301 is driven to rotate, the teeth of the incomplete gear 301 may drive the tooth element 400 to move up when engaging with the tooth element 400, and after the tooth element 400 is disengaged from the incomplete gear 301, the tooth element 400 returns to the initial position under the tension of the second spring 601.

Specifically, a connecting shaft is fixedly connected to the rear of the rotating member 500, and the connecting shaft is rotatably connected to the rear inner wall of the device case 200.

According to the above technical scheme, when the tooth element 400 moves up, the lower part of the rotation element 500 is pressed to drive the rotation element 500 to rotate through the connection shaft, and when the rotation element 500 rotates, the upper part applies a force to the extrusion element 501 to drive the extrusion element 501 to move left to extrude the elastic bag 503.

Specifically, the interior of the elastic bag 503 is fixedly connected with the upper end of the air duct 302, and the lower end of the air duct 302 is fixedly connected with the left end of the motor 300.

According to the technical scheme, the motor 300 transmits hot air to the elastic bag 503 through the air duct 302, the elastic bag 503 discharges the hot air inside after being extruded, and the elastic bag 503 expands and absorbs the hot air through the air duct 302 when not being extruded by the extrusion piece 501.

Specifically, the top of the piston 602 is fixedly connected to the lower end of the tooth element 400, and the outer side of the piston 602 is slidably connected to the interior of the suction tube 600.

According to the above technical solution, when the tooth member 400 moves down, the piston 602 moves down to compress and discharge air inside the suction cylinder 600, when the piston 602 moves up, the air is absorbed from the inside of the oscillator body 100 through the air inlet pipe 604, and noise is absorbed and discharged along with the air.

Specifically, the rear end of the air extracting part 605 is fixedly connected with the inner wall of the front surface of the oscillator main body 100, and a sealing ring is installed at the joint of the rear end of the air extracting part 605 and the inner wall of the oscillator main body 100.

According to the above technical solution, the air extracting member 605 is used to extract air from the oscillator body 100, and the joint between the rear end of the air extracting member 605 and the inner wall of the oscillator body 100 is provided with the sealing ring to prevent air leakage and noise accompanying the air from being transmitted.

The working principle is as follows: the voltage-controlled oscillator with the noise reduction function is characterized in that the motor 300 is a single-phase motor in the prior art, the motor 300 drives the incomplete gear 301 to rotate when rotating, teeth of the incomplete gear 301 can drive the tooth piece 400 to move upwards when being meshed with the tooth piece 400, the tooth piece 400 returns to an initial position under the tension of the second spring 601 after the tooth piece 400 is separated from the incomplete gear 301, so that the tooth piece 400 forms an up-and-down reciprocating motion, the lower part of the rotating piece 500 is extruded when the tooth piece 400 moves upwards so as to drive the rotating piece 500 to rotate through the connecting shaft, the upper part of the rotating piece 500 applies a force to the extruding piece 501 when rotating so as to drive the extruding piece 501 to move leftwards so as to extrude the elastic bag 503, the motor 300 transmits hot air into the elastic bag 503 through the air duct 302, the elastic bag 503 can discharge the hot air inside after being extruded, the elastic bag 503 can expand and absorb the hot air through the air duct 302 when not being extruded by the extruding piece 501, heat in the motor 300 is exchanged through gas, heat dissipation of oscillator driving components is achieved through the structure, damage caused by overhigh temperature of the components is avoided, and the service life of the oscillator components is prolonged.

According to the voltage-controlled oscillator with the noise reduction function, after the tooth piece 400 is separated from the incomplete gear 301, the tooth piece 400 returns to the initial position under the tension of the second spring 601, in the process, the tooth piece 400 moves downwards, the piston 602 moves downwards to drive the piston 602 to move downwards, air in the air suction cylinder 600 is compressed and discharged when the piston 602 moves downwards, air is absorbed from the inside of the oscillator main body 100 through the air inlet pipe 604 when the piston 602 moves upwards, noise is absorbed and discharged along with air, and therefore the effects of reducing noise and reducing noise pollution of the oscillator when the oscillator works are achieved.

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

Claims

1. A voltage controlled oscillator with a noise reduction function, comprising an oscillator body (100), characterized in that: the front of the oscillator main body (100) is fixedly provided with a device box (200), a motor (300) is arranged inside the device box (200), the front of the motor (300) is rotatably connected with an incomplete gear (301), the left end of the motor (300) is fixedly connected with an air duct (302), the bottom of the motor (300) is fixedly connected with a supporting seat (303), the right side of the incomplete gear (301) is connected with a tooth piece (400) in a meshed mode, a rotating piece (500) is arranged above the tooth piece (400), the left side of the rotating piece (500) is provided with an extrusion piece (501), the left inner side of the extrusion piece (501) is fixedly connected with a first spring (502), and the left side of the extrusion piece (501) is provided with an elastic bag (503);

the tooth spare (400) the lower part outside is provided with exhaust column (600), the top inner wall fixedly connected with second spring (601) of exhaust column (600), the lower extreme fixedly connected with piston (602) of second spring (601), the right side fixedly connected with outlet duct (603) of exhaust column (600), the left side fixedly connected with intake pipe (604) of exhaust column (600), the rear end fixedly connected with of intake pipe (604) takes out gas spare (605).

2. A voltage controlled oscillator with noise reduction according to claim 1, characterized in that: the right end of the motor (300) is fixedly connected with a rotating shaft with the interior of the incomplete gear (301), and the outer side of the rotating shaft is rotatably connected with the interior of the motor (300).

3. A voltage controlled oscillator with noise reduction according to claim 1, characterized in that: the rear side of the rotating piece (500) is fixedly connected with a connecting shaft, and the outer side of the connecting shaft is rotatably connected with the inner wall of the rear side of the device box (200).

4. A voltage controlled oscillator with noise reduction according to claim 1, characterized in that: the interior of the elastic bag (503) is fixedly connected with the upper end of the air duct (302), and the lower end of the air duct (302) is fixedly connected with the left end of the motor (300).

5. A voltage controlled oscillator with noise reduction according to claim 1, characterized in that: the top of the piston (602) is fixedly connected with the lower end of the tooth piece (400), and the outer side of the piston (602) is connected with the inner part of the air extraction cylinder (600) in a sliding mode.

6. A voltage controlled oscillator with noise reduction according to claim 1, characterized in that: the rear end of the air exhaust piece (605) is fixedly connected with the front inner wall of the oscillator main body (100), and a sealing ring is installed at the joint of the rear end of the air exhaust piece (605) and the inner wall of the oscillator main body (100).