CN211009090U

CN211009090U - Sealed Roots blower

Info

Publication number: CN211009090U
Application number: CN201921861600.1U
Authority: CN
Inventors: 陆丹; 黄毅衡
Original assignee: Jiangsu Younate Machinery Co ltd
Current assignee: Jiangsu Younate Machinery Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-14
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a sealed roots's fan relates to roots's fan equipment field, the on-line screen storage device comprises a base, the top of base is provided with out the gas storehouse, and the top of base is located one side of going out the gas storehouse and installs the motor, the top that goes out the gas storehouse is provided with the fan main part, and the one side of giving vent to anger the storehouse and keeping away from the motor is connected with the outlet duct, the top of fan main part is provided with the lower flange, and the outer wall of fan main part installs temperature sensor, the top of lower flange is connected with the upper flange, and the inboard of lower flange is provided with. The utility model discloses a sleeve, the rubber circle that set up pass through the bolt fastening with the last flange on air inlet section of thick bamboo bottom and the lower flange on fan body top together, and the inside sleeve of air inlet section of thick bamboo injects in the lower flange to laminate with the inboard rubber pad of lower flange, make air inlet section of thick bamboo and fan body leakproofness improve, effectively solved the problem that the dryer takes place to reveal with fan main part junction easily.

Description

Sealed Roots blower

Technical Field

The utility model relates to a roots's fan equipment field specifically is sealed roots's fan.

Background

The Roots blower is a positive displacement blower, the end face of the impeller, front and back end covers of the blower, the principle is to utilize two blade-shaped rotors to make relative motion in the cylinder to compress and transport the rotary compressor of the gas, this blower is simple in construction, it is convenient to make, apply to oxygenation of aquaculture, sewage treatment aeration, cement transport extensively, is more suitable for the gas transport and pressurization system of the low pressure occasion, can also be used as the vacuum pump, etc..

The junction of the air inlet section of thick bamboo of current roots's fan and fan main part generally uses sealed the pad to seal, but sealed pad is aged for a long time easily and destroys, and sealed effect variation easily leads to wind to reveal from the gap, and in the fan main part because impeller operation compresses wind, makes the temperature in the fan main part rise gradually, if the temperature surpasss the predetermined value and unmanned discovery, dangerous condition such as explosion then can take place.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the junction of the air inlet cylinder and the fan main body is easy to leak and the temperature inside the fan main body is too high to prompt, a sealed Roots fan is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the sealed Roots blower comprises a base, wherein an air outlet bin is arranged at the top end of the base, a motor is arranged at one side of the air outlet bin at the top end of the base, a blower main body is arranged at the top end of the air outlet bin, and one side of the air outlet bin far away from the motor is connected with an air outlet pipe, the top end of the fan main body is provided with a lower flange, and the outer wall of the fan main body is provided with a temperature sensor, the top end of the lower flange is connected with an upper flange, the inner side of the lower flange is provided with a rubber ring, the inner side of the upper flange is provided with a sleeve, the top end of the upper flange is connected with an air inlet cylinder, the output end of the motor is provided with a driving wheel, an alarm is arranged on one side of the motor, which is far away from the gas outlet bin, the outer side of the driving wheel is connected with a belt, the fan is characterized in that a first driven wheel is arranged at one end of the fan main body, a second driven wheel is arranged on one side of the first driven wheel, and an impeller is connected to one end of the second driven wheel.

Preferably, the motor is welded at the top end of the base, and the air outlet bin is welded at the top end of the base.

Preferably, the temperature sensor is electrically connected with the alarm through a P L C controller, and the air outlet pipe penetrates into the air outlet bin.

Preferably, the number of the impellers is two, the two impellers are arranged in a staggered mode, and the driving wheel is in transmission connection with the first driven wheel through a belt.

Preferably, the impeller is fixedly connected with the first driven wheel and the second driven wheel through connecting shafts respectively.

Preferably, the lower flange is fixedly connected with the upper flange through a bolt, the sleeve is attached to the inner wall of the rubber ring, and the rubber ring is connected with the lower flange through glue in a sticky mode.

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

1. the utility model discloses a sleeve, the rubber circle that set up pass through the bolt fastening with the last flange on air inlet section of thick bamboo bottom and the lower flange on fan body top together, and the inside sleeve of air inlet section of thick bamboo injects in the lower flange to laminate with the inboard rubber pad of lower flange, make air inlet section of thick bamboo and fan body leakproofness improve, effectively solved the problem that the dryer takes place to reveal with fan main part junction easily.

2. The utility model discloses a temperature sensor who sets up, the siren, temperature sensor detects the temperature of fan main part outer wall, thereby judge the inside temperature of fan main part, temperature sensor changes the temperature signal who detects into the signal of telecommunication, the transmission gives the P L C controller, the operation of P L C controller control siren, if the temperature surpasss the predetermined value, then the operation of P L C controller control siren, send out the police dispatch newspaper sound, remind staff on every side, the problem of the inside high temperature of fan main part carrying out the suggestion has effectively been solved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a connection diagram of the upper flange and the lower flange of the present invention.

In the figure: 1. a base; 2. a gas outlet bin; 3. a fan main body; 4. an air outlet pipe; 5. a lower flange; 6. an upper flange; 7. an air inlet cylinder; 8. a rubber ring; 9. a sleeve; 10. a motor; 11. a driving wheel; 12. a belt; 13. a first driven wheel; 14. a second driven wheel; 15. a temperature sensor; 16. an alarm; 17. an impeller.

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.

The motors (TC7122) mentioned in the utility model can be purchased in the market or by private ordering.

Referring to fig. 1-4, the sealed roots blower includes a base 1, a gas outlet bin 2 is disposed at the top end of the base 1, a motor 10 is mounted at one side of the gas outlet bin 2 at the top end of the base 1, a blower main body 3 is disposed at the top end of the gas outlet bin 2, a gas outlet pipe 4 is connected at one side of the gas outlet bin 2 away from the motor 10, a lower flange 5 is disposed at the top end of the blower main body 3, a temperature sensor 15 is mounted on the outer wall of the blower main body 3, an upper flange 6 is connected at the top end of the lower flange 5, a rubber ring 8 is disposed at the inner side of the lower flange 5, a sleeve 9 is disposed at the inner side of the upper flange 6, an air inlet pipe 7 is connected at the top end of the upper flange 6, a driving wheel 11 is disposed at the output end of the motor 10, an alarm 16 is disposed at one side of the motor, a second driven wheel 14 is provided on one side of the first driven wheel 13, and an impeller 17 is connected to one end of the second driven wheel 14.

Please refer to fig. 1, the motor 10 is welded on the top of the base 1, so that the base 1 can provide the support for the motor 10, and the air outlet bin 2 is welded on the top of the base 1, so that the base 1 can fix the air outlet bin 2.

Please refer to fig. 2 and 3, the temperature sensor 15 is electrically connected to the alarm 16 through a P L C controller, the temperature sensor 15 detects the temperature of the outer wall of the fan body 3, so as to determine the temperature inside the fan body 1, the temperature sensor 15 converts the detected temperature signal into an electrical signal and transmits the electrical signal to a P L C controller, the P L C controller controls the alarm 16 to operate, if the temperature exceeds a predetermined value, the P L C controller controls the alarm 16 to operate, so as to give an alarm sound to remind surrounding workers, the air outlet pipe 4 penetrates through the inside of the air outlet bin 2, so that the compressed air can enter the air outlet pipe 4 through the air outlet bin 2, the number of the impellers 17 is two, and the two impellers 17 are staggered, so that the two impellers 17 compress the air flow, the driving wheel 11 is in transmission connection with the first driven wheel 13 through a belt 12, so that when the driving wheel 11 rotates, the belt 12 drives the first driven wheel 13 to rotate, and the impellers 17 are respectively fixedly connected with the first driven wheel 13 and the second driven wheel 14 through a connecting shaft, so that the first driven wheel 13 and the second driven wheel 14.

Please refer to fig. 4, the lower flange 5 is fixedly connected with the upper flange 6 through bolts, so as to connect the air inlet cylinder 7 with the blower main body 3, the sleeve 9 is attached to the inner wall of the rubber ring 8, so as to reduce the gap between the sleeve 9 and the lower flange 5 and increase the sealing performance, and the rubber ring 8 is connected with the lower flange 5 through the adhesive of glue, so as to fix the rubber ring 8 with the lower flange 5.

The working principle of the utility model is that when the utility model is used, an upper flange 6 at the bottom end of an air inlet cylinder 7 and a lower flange 5 at the top end of a fan body 3 are fixed together through bolts, a sleeve 9 in the air inlet cylinder 7 is inserted into the lower flange 5 and is attached to a rubber ring 8 on the inner side of the lower flange 5, the air inlet cylinder 7 and the fan body 3 are improved in sealing performance, external air enters the air inlet cylinder 7 and enters the fan body 3, meanwhile, a motor 10 is controlled to operate, the motor 10 drives a belt 12 to rotate through a driving wheel 11, when the belt 12 rotates, a first driven wheel 13 is driven to rotate, the first driven wheel 13 drives a second driven wheel 14 to rotate, when the first driven wheel 13 and the second driven wheel 14 rotate, two impellers 17 are driven to rotate in a staggered mode, gaps between the impeller 17 and the fan body 1 are extremely small, so that the air in the air inlet cylinder 7 is in a vacuum state, the air enters the air inlet cylinder 7 under the action of atmospheric pressure, then, each impeller 17 and the fan body 1 form a sealed air inlet chamber, when the temperature of the air inlet chamber is detected by a compressed air flow sensor, the temperature sensor 2, the alarm sensor 16, the temperature of the air inlet chamber is detected by a compressed air sensor 6, the alarm sensor controls the temperature sensor, the temperature sensor controls the temperature sensor, when the temperature sensor 2 detects that the temperature sensor, the temperature sensor is increased, the temperature sensor is detected by the temperature sensor, the temperature sensor.

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. Sealed roots's fan, including base (1), its characterized in that: the air outlet device is characterized in that an air outlet bin (2) is arranged at the top end of the base (1), a motor (10) is installed at one side, located at the air outlet bin (2), of the top end of the base (1), a fan main body (3) is arranged at the top end of the air outlet bin (2), an air outlet pipe (4) is connected to one side, located far away from the motor (10), of the air outlet bin (2), a lower flange (5) is arranged at the top end of the fan main body (3), a temperature sensor (15) is installed on the outer wall of the fan main body (3), an upper flange (6) is connected to the top end of the lower flange (5), a rubber ring (8) is arranged on the inner side of the lower flange (5), a sleeve (9) is arranged on the inner side of the upper flange (6), an air inlet barrel (7) is connected to the top end of the upper flange (6), a driving wheel (11) is arranged at the output, the outer side of the driving wheel (11) is connected with a belt (12), one end of the fan main body (3) is provided with a first driven wheel (13), one side of the first driven wheel (13) is provided with a second driven wheel (14), and one end of the second driven wheel (14) is connected with an impeller (17).

2. The sealed roots blower of claim 1, wherein: the motor (10) is welded at the top end of the base (1), and the gas outlet bin (2) is welded at the top end of the base (1).

3. The sealed Roots blower according to claim 1, wherein the temperature sensor (15) is electrically connected with the alarm (16) through a P L C controller, and the air outlet pipe (4) penetrates into the air outlet bin (2).

4. The sealed roots blower of claim 1, wherein: the quantity of impeller (17) is two, and two impeller (17) staggered arrangement, drive wheel (11) pass through belt (12) transmission with first driven wheel (13) and are connected.

5. The sealed roots blower of claim 1, wherein: the impeller (17) is fixedly connected with the first driven wheel (13) and the second driven wheel (14) through connecting shafts respectively.

6. The sealed roots blower of claim 1, wherein: lower flange (5) and upper flange (6) pass through bolt fixed connection, the inner wall laminating of sleeve (9) and rubber circle (8), and rubber circle (8) pass through glue adhesive bonding with lower flange (5).