CN213511198U

CN213511198U - Single-stage centrifugal blower structure

Info

Publication number: CN213511198U
Application number: CN202121059412.4U
Authority: CN
Inventors: 张海宽; 王立; 张晓东
Original assignee: Zhejiang Huamu Environment Engineering Co ltd
Current assignee: Zhejiang Huamu Environment Engineering Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-06-22
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a single-stage centrifugal blower structure, including casing and protective housing, the top intercommunication of casing has the installation screwed pipe, and the inside fixed mounting of installation screwed pipe has sealed the pad, and the inside movable mounting of casing has male rotor screw rod, and male rotor screw rod's one end fixed mounting has from the driving wheel, and male rotor screw rod's outside meshing has female rotor screw rod, and the bottom intercommunication of casing has the intake pipe, and first sealed bearing has been cup jointed to the positive inside of protective housing. Through the bearing frame, install at the casing after the protective housing, can be according to the size of in service behavior adjustment action wheel, if change transmission shaft and action wheel in the first sealed bearing, change the action wheel of equidimension not according to the difference of twitching the material, and then can be with the rotational speed adjustment from the driving wheel, bearing frame one side cup joints the one end at the negative rotor screw rod in transmission shaft one side, can change the transmission shaft under the effect of mutually noninterference, has further promoted the performance of device structure.

Description

Single-stage centrifugal blower structure

Technical Field

The utility model belongs to the technical field of the air-blower, concretely relates to single-stage centrifugal blower structure.

Background

The blower mainly comprises the following six parts: the blower is eccentrically operated by a rotor offset in a cylinder, and sucks, compresses and discharges air by changing the volume between vanes in a rotor groove. In the operation, the pressure difference of blower is used to automatically feed the lubricant to oil dropping nozzle and drop it into cylinder to reduce friction and noise and prevent gas from flowing back in cylinder.

In the use process of the centrifugal blower, due to the structural particularity, different operation scenes such as liquid pumping and dust object pumping can be met, the existing centrifugal blower structure cannot meet different use scenes, and the use efficiency is low due to the defects of the transmission mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single-stage centrifugal blower structure to propose a current centrifugal blower structure in solving above-mentioned background art in the use, because the unable different use scenes of reply of current centrifugal blower structure, and drive mechanism's shortcoming, thereby lead to the low and awkward problem of availability factor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a single-stage centrifugal blower structure, includes casing and protective housing, the top intercommunication of casing has the installation screwed pipe, the inside fixed mounting of installation screwed pipe has sealed the pad, the inside movable mounting of casing has positive rotor screw rod, the one end fixed mounting of positive rotor screw rod has from the driving wheel, the outside meshing of positive rotor screw rod has negative rotor screw rod, the bottom intercommunication of casing has the intake pipe, first sealed bearing has been cup jointed to the positive inside of protective housing, the transmission shaft has been cup jointed to first sealed bearing's inboard, the action wheel has been cup jointed in the outside of transmission shaft, the bearing frame has been cup jointed in the outside that first sealed bearing one end was kept away from to the transmission shaft, the top intercommunication of protective housing has into oil pipe, the inside fixed mounting of protective housing one end has the bolt, the bottom intercommunication of protective housing has out.

Preferably, the top and the bottom of the shell are both fixedly provided with two mounting bars.

Preferably, the male rotor screw and the female rotor screw are both mounted at both ends of the housing through sealed bearings.

Preferably, the driving wheel is in meshed transmission connection with the driven wheel, and the other side of the bearing seat is sleeved on the outer side of the female rotor screw.

Preferably, the bottom end of the oil inlet pipe is communicated with an oil sprayer, and the bottom of the protective shell is communicated with an oil outlet pipe.

Preferably, the protective shell is fixedly installed on the outer side of the shell through bolts.

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

1. by arranging the mounting strip, an operator installs the device at an operation position through the mounting strip, and the mounting threaded pipe is hinged with the air inlet and outlet pipe, the air outlet pipe is sealed under the action of a hinged acting force and a sealing gasket, and further the protective shell is installed on the outer side of the shell, and then the transmission shaft is connected with power equipment such as a motor and the like, after the power equipment is started, the transmission shaft rotates under the action of a first sealing bearing, the transmission shaft drives a sleeved driving wheel, the driving wheel drives a meshed driven wheel, the driven wheel drives a male rotor screw rod to rotate relative to the shell under the action of the sealing bearing, and further the male rotor screw rod drives a meshed female rotor screw rod to rotate, airflow is compressed and rotated from an air inlet pipe to one side of the mounting threaded pipe under the action of the rotation of mutually meshed threads, enters the air outlet pipe, in transmitting lubricating oil to the sprayer, spout the space in the protective housing with oil through the sprayer to with bearing frame, action wheel and lubricated from the driving wheel, the operation of being convenient for can improve the operating efficiency simultaneously, according to the in service behavior after finishing, can be with oil through a play oil pipe connection valve discharge, the life of this scheme extension equipment.

2. Through setting up the bearing frame, install at the casing at the protective housing, can be according to the size of in service behavior adjustment action wheel, if change transmission shaft and action wheel in the first sealed bearing, change the action wheel of equidimension not according to the difference of twitching the material, and then can be with the rotational speed adjustment from the driving wheel, bearing frame one side is cup jointed and is cup jointed the one end at negative rotor screw rod in transmission shaft one side, can change the transmission shaft under the effect of mutual noninterference, and provide the fulcrum for the transmission shaft, the complexity of general centrifugal blower transmission structure has been optimized, and under fixed mode use situation, can change the bearing frame into the fixed axle, reverse the motor, can realize fixed rotational speed and transmission screw rod and pump the operation, the performance of device structure has further been promoted.

Drawings

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

fig. 2 is a schematic view of the overlooking three-dimensional appearance structure of the hidden protective shell of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a schematic top sectional view of the internal structure of the present invention;

in the figure: 1. a housing; 2. mounting a bar; 3. a gasket; 4. installing a threaded pipe; 5. an oil inlet pipe; 6. a protective shell; 7. a first sealed bearing; 8. a drive shaft; 9. a female rotor screw; 10. a bearing seat; 11. a driving wheel; 12. a driven wheel; 13. a male rotor screw; 14. an oil outlet pipe; 15. an air inlet pipe; 16. and (4) bolts.

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 first embodiment is as follows:

referring to fig. 1-4, the present invention provides a technical solution: a single-stage centrifugal blower structure comprises a shell 1 and a protective shell 6, wherein the top of the shell 1 is communicated with an installation threaded pipe 4, a sealing gasket 3 is fixedly installed inside the installation threaded pipe 4, a male rotor screw 13 is movably installed inside the shell 1, a driven wheel 12 is fixedly installed at one end of the male rotor screw 13, a female rotor screw 9 is meshed outside the male rotor screw 13, an air inlet pipe 15 is communicated with the bottom of the shell 1, a first sealing bearing 7 is sleeved inside the front surface of the protective shell 6, a transmission shaft 8 is sleeved inside the first sealing bearing 7, a driving wheel 11 is sleeved outside the transmission shaft 8, a bearing seat 10 is sleeved outside one end of the transmission shaft 8, which is far away from the first sealing bearing 7, an oil inlet pipe 5 is communicated with the top of the protective shell 6, one end of the protective shell 6 is fixedly connected with a bolt 16, two installation strips 2 are fixedly installed at, the male rotor screw 13 and the female rotor screw 9 are both mounted at both ends of the housing 1 through sealed bearings.

In this embodiment, by arranging the mounting bar 2, the operator installs the device at the operation position through the mounting bar 2, and the mounting threaded pipe 4 is hinged to the air inlet/outlet pipe, the air outlet pipe is sealed under the action of the hinged acting force and the sealing gasket 3, and then the protective shell 6 is installed outside the shell 1, and then the transmission shaft 8 is connected with power equipment, such as a motor, etc., after the power equipment is started, the transmission shaft 8 rotates under the action of the first sealing bearing 7, the transmission shaft 8 drives the driving wheel 11 which is sleeved, the driving wheel 11 drives the meshed driven wheel 12, the driven wheel 12 drives the male rotor screw 13 to rotate relative to the shell 1 under the action of the sealing bearing, and then the male rotor screw 13 drives the meshed female rotor screw 9 to rotate, the air flow is compressed and rotated from the air inlet pipe 15 to one side of the mounting threaded pipe 4 under the rotation, the scheme can effectively improve the operation efficiency.

Example two:

as shown in fig. 1-4, on the basis of the first embodiment, the utility model provides a technical solution: the bottom end of the oil inlet pipe 5 is communicated with an oil sprayer, the bottom of the protective shell 6 is communicated with an oil outlet pipe 14, and the protective shell 6 is fixedly installed on the outer side of the shell 1 through a bolt 16.

In this embodiment, through advancing oil pipe 5 intercommunication oil pump, transmit lubricating oil to the sprayer in, spout the space of protective housing 6 with oil through the sprayer to lubricate bearing frame 10, action wheel 11 and follow driving wheel 12, the operation of being convenient for can improve the operating efficiency simultaneously, according to the in service behavior after finishing, can be discharged oil through a 14 connection valve of play oil pipe, the life of this scheme extension equipment.

Example three:

as shown in fig. 1-4, on the basis of the first embodiment and the second embodiment, the utility model provides a technical solution: the driving wheel 11 is engaged with the driven wheel 12 for transmission, and the other side of the bearing seat 10 is sleeved on the outer side of the female rotor screw 9.

In this embodiment, by providing the bearing seat 10, after the protective shell 6 is installed in the housing 1, the size of the driving wheel 11 can be adjusted according to the use situation, for example, the driving wheel 11 and the transmission shaft 8 in the first sealed bearing 7 are replaced, the driving wheels 11 with different sizes are replaced according to different pumping substances, so that the rotating speed of the driven wheel 12 can be adjusted, one side of the bearing seat 10 is sleeved on one side of the transmission shaft 8 and is sleeved on one end of the female rotor screw 9, so that the transmission structures are not interfered with each other, the transmission shaft 8 is convenient and fast to replace, a fulcrum is provided for the transmission shaft 8, the complexity of the transmission structure of the common centrifugal blower is optimized, and in the fixed mode use situation, the bearing seat 10 can be replaced by a fixed shaft, the motor is rotated reversely, the device can realize the pumping operation of the fixed rotating speed and the transmission screw, further improves the performance of the device structure and prolongs the service life.

The utility model discloses a theory of operation and use flow: firstly, the device is installed at an operation position through the installation strip 2 by an operator, the installation threaded pipe 4 is hinged to an air inlet pipe and an air outlet pipe, the air outlet pipe is sealed under the action of a hinged acting force and a sealing gasket 3, further, the protection shell 6 is installed on the outer side of the shell 1, then, the transmission shaft 8 is connected with power equipment, such as a motor and the like, after the power equipment is started, the transmission shaft 8 rotates under the action of a first sealing bearing 7, the transmission shaft 8 drives a sleeved driving wheel 11, the driving wheel 11 drives a meshed driven wheel 12, the driven wheel 12 drives a male rotor screw 13 to rotate relative to the shell 1 under the action of the sealing bearing, further, the male rotor screw 13 drives a meshed female rotor screw 9 to rotate, air flow is compressed and rotated to one side of the installation threaded pipe 4 from the air inlet pipe 15 under the rotation of mutually meshed threads, and enters the, and through advancing oil pipe 5 intercommunication oil pump, transmit lubricating oil to the sprayer in, spout the space that the protective housing 6 was gone into with oil through the sprayer to lubricate bearing frame 10, action wheel 11 and follow driving wheel 12, the operation of being convenient for can improve the operating efficiency simultaneously, according to the in service behavior after finishing, can be with oil through an oil pipe 14 connection valve discharge, the life of this scheme extension equipment.

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 single stage centrifugal blower structure comprising a housing (1) and a protective casing (6), characterized in that: the top of the shell (1) is communicated with an installation threaded pipe (4), a sealing gasket (3) is fixedly installed inside the installation threaded pipe (4), a male rotor screw (13) is movably installed inside the shell (1), a driven wheel (12) is fixedly installed at one end of the male rotor screw (13), a female rotor screw (9) is meshed outside the male rotor screw (13), an air inlet pipe (15) is communicated with the bottom of the shell (1), a first sealing bearing (7) is sleeved inside the front surface of the protective shell (6), a transmission shaft (8) is sleeved on the inner side of the first sealing bearing (7), a driving wheel (11) is sleeved on the outer side of the transmission shaft (8), a bearing seat (10) is sleeved on the outer side of one end, far away from the first sealing bearing (7), of the protective shell (6), an oil inlet pipe (5) is communicated with the top of the protective shell (6), and one end of the protective shell (6) is fixedly connected with a bolt (16).

2. A single stage centrifugal blower construction as claimed in claim 1 wherein: the top and the bottom of the shell (1) are fixedly provided with two mounting bars (2).

3. A single stage centrifugal blower construction as claimed in claim 1 wherein: the male rotor screw (13) and the female rotor screw (9) are both installed at two ends of the shell (1) through sealing bearings.

4. A single stage centrifugal blower construction as claimed in claim 1 wherein: the driving wheel (11) is in meshed transmission connection with the driven wheel (12), and the other side of the bearing seat (10) is sleeved on the outer side of the female rotor screw (9).

5. A single stage centrifugal blower construction as claimed in claim 1 wherein: the bottom end of the oil inlet pipe (5) is communicated with an oil sprayer, and the bottom of the protective shell (6) is communicated with an oil outlet pipe (14).

6. A single stage centrifugal blower construction as claimed in claim 1 wherein: the protective shell (6) is fixedly arranged on the outer side of the shell (1) through a bolt (16).