CN223578212U - Leak-proof vacuum pump - Google Patents

Abstract

The utility model discloses a leakage-proof vacuum pump, which comprises a water inlet pipe and further comprises an integrated casting main body, wherein the integrated casting main body comprises a pump shell, a rotating shaft is eccentrically arranged in the pump shell in a rotating mode, a motor is arranged on one side of the rotating shaft in a butt joint mode, a sealing ring is arranged at a position corresponding to the pump shell, blades are arranged on the periphery of the rotating shaft in an array mode, a motor cover is integrally cast on one side of the pump shell, a rear cover is arranged on one side of the motor cover in a covering mode, and bolts are arranged on the surface of the rear cover in a screwing mode. According to the utility model, through the integrated casting main body, the pump shell part and the motor installation part of the pump body are prepared in an integrated casting mode, so that the problem of leakage of water flow in the rotating process of the rotating shaft is directly avoided. The rotating shaft part is a part rotating at a high speed, so that the sealing structure can directly avoid the leakage problem.

Description

Leak-proof vacuum pump

Technical Field

The utility model relates to the technical field of vacuum pumps, in particular to a leakage-proof vacuum pump.

Background

A vacuum pump is a mechanical device for pumping out gas molecules from an enclosed space, thereby reducing the gas pressure in the space. It is widely used in many fields of scientific research, industrial production and daily life, such as semiconductor manufacturing, vacuum packaging, freeze drying, vacuum plating, etc. Vacuum pumps can be classified into various types according to the operating principle and the application requirements.

The utility model discloses a water jet vacuum pump in China with the application number of CN202165241U, which comprises a forward vacuum pump, a motor and a reverse vacuum pump, and is characterized in that the forward vacuum pump and the reverse vacuum pump are respectively arranged at two ends of the motor, a motor rotor can be driven at two ends, the vacuum pump is formed by one-step injection molding of reinforced polypropylene plastics, and the water jet vacuum pump has the advantages of high mechanical strength, strong corrosion resistance, smooth surface, simple structure, small volume, long service life, large air displacement and high vacuum degree.

In the prior art, a driving motor of a pumping structure part of a vacuum pump is generally externally arranged on one side of a pump body, and a rotating shaft continuously rotates in the running process of the motor, so that the leakage problem is very easy to occur.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a leakage-proof vacuum pump.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a leak-proof vacuum pump, comprising a water inlet pipe, further comprising:

The integrated casting main body comprises a pump shell, a rotating shaft is eccentrically arranged in the pump shell in a rotating mode, a motor is arranged in butt joint on one side of the rotating shaft, a sealing ring is arranged at a position, corresponding to the pump shell, of the motor, blades are arranged on the peripheral array of the rotating shaft, a motor cover is integrally cast on one side of the pump shell, a rear cover is arranged on one side of the motor cover in a covering mode, and bolts are installed on the surface of the rear cover in a screwing mode.

According to the technical scheme, an end face is arranged on one side of the pump shell, a water outlet hole is formed in one side of the end face, a second butt joint pipe is arranged on one side of the water outlet hole in a butt joint mode, a water outlet pipe is arranged on one side of the second butt joint pipe in a butt joint mode, and a second screw cover is installed on the surfaces of the second butt joint pipe and the water outlet pipe in a screwing mode.

According to the technical scheme, a first screw cover is arranged on one side of the water inlet pipe, a first screw pipe is arranged on one side of the first screw cover in a butt joint mode, and the first screw pipe is arranged on one side of the pump shell in a butt joint mode.

According to a further technical scheme, a flange is arranged on one side of the pump shell, and screws are arranged on the periphery of the flange.

According to a further technical scheme, the screw array is arranged on the surface of the flange.

According to a further technical scheme, a sealing ring is arranged at the butt joint position of the pump shell of the motor.

According to the technical scheme, the end face, the pump shell and the motor cover are manufactured in an integrated casting mode, a bearing is arranged at the butt joint position of the rotating shaft and the pump shell, and a water tank is arranged in the pump shell.

Compared with the prior art, the utility model provides the anti-leakage vacuum pump, which has the following beneficial effects:

Through the integrated casting main body that sets up, the pump case position and the motor installation position of the pump body adopt the mode preparation of integration casting, have directly avoided rivers at pivot pivoted in-process to appear leaking the problem. The rotating shaft part is a part rotating at a high speed, so that the sealing structure can directly avoid the leakage problem.

Drawings

FIG. 1 is a schematic diagram of a leak-proof vacuum pump according to the present utility model;

FIG. 2 is a schematic diagram of an explosion diagram of a leak-proof vacuum pump according to the present utility model;

FIG. 3 is a schematic view of a longitudinal section of a leak-proof vacuum pump according to the present utility model;

fig. 4 is a schematic structural diagram of a rear view of a leak-proof vacuum pump according to the present utility model.

In the figure, 1, a water inlet pipe; 2, an integrated casting main body, 3, a first screw cover, 4, a butt joint pipe, 5, an end face, 6, a water outlet hole, 7, a second butt joint pipe, 8, a water outlet pipe, 9, a second screw cover, 10, a blade, 11, a motor cover, 12, a rear cover, 13, a bolt, 14, a motor, 15, a screw, 16, a water tank, 17, a sealing ring, 18, a rotating shaft, 19 and a flange.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

First embodiment referring to fig. 1 to 4, a leak-proof vacuum pump includes a water inlet pipe 1, further including:

The integrated casting main body 2 comprises a pump shell 4, a rotating shaft 18 is eccentrically arranged in the pump shell 4 in a rotating mode, blades 10 arranged on the surface of the rotating shaft 18 are of a main transmission structure of the pump body, a motor 14 is arranged on one side of the rotating shaft 18 in a butt joint mode, and the motor 14 controls the blades 10 to rotate through the rotating shaft 18, so that the stirring effect of water flow is achieved. The motor 14 is provided with a sealing ring 17 at a position corresponding to the pump shell 4, and the sealing ring 17 is used for sealing and connecting the position on the surface of the rotating shaft 18 so as to realize a waterproof effect. The peripheral array of pivot 18 is provided with blade 10, and one side of pump case 4 is integrated to cast has motor cover 11, and motor cover 11 is used for avoiding the problem that the motor shaft position appears leaking. A rear cover 12 is mounted on one side of the motor cover 11 in a covering manner, and the screw cover 12 is sealed and locked by a bolt 13. The surface of the rear cover 12 is screwed with a bolt 13.

The anti-leakage vacuum pump comprises a pump shell 4, an end face 5, a water outlet 6, a second butt joint pipe 7, a water outlet pipe 8 and a water outlet pipe 7, wherein the end face 5 is arranged on one side of the pump shell 4, the water outlet 6 is a water flow output part, the second butt joint pipe 7 is arranged on one side of the water outlet 6 in a butt joint mode, and the water outlet pipe 8 is used for outputting water. The second screw cap 9 is screwed on the surface of the second butt joint pipe 7 and the water outlet pipe 8.

A leakage-proof vacuum pump is characterized in that a first screw cover 3 is arranged on one side of a water inlet pipe 1, a first screw pipe is arranged on one side of the first screw cover 3 in a butt joint mode, and the first screw pipe is arranged on one side of a pump shell 4 in a butt joint mode and used for achieving the water input effect

A flange 19 is arranged on one side of a pump shell 4 of the leak-proof vacuum pump, a screw 15 is arranged on the periphery of the flange 19, and the screw 15 is used for realizing the fixing effect of the water pump through the flange 19.

A leak-proof vacuum pump is provided with an array of screws 15 on the surface of a flange 19 for achieving a stable tightening effect.

In the anti-leakage vacuum pump, a sealing ring 17 is arranged at the butt joint part of the pump shell 4 of the motor 14, and the sealing ring 17 has the function of assisting in realizing the sealing effect of the rotating shaft 18 and avoiding the leakage problem.

The anti-leakage vacuum pump is manufactured by adopting an integrated casting mode through the end face 5, the pump shell 4 and the motor cover 11, and the occurrence of leakage parts is directly avoided. The butt joint part of the rotating shaft 18 and the pump shell 4 is provided with a bearing, and the bearing ensures the rotating effect of the rotating shaft 18. A water tank 16 is provided in the pump housing 4, and the water tank 16 is a portion where water flows.

In the actual design process, in order to avoid the following defects in the prior art, a driving motor of a pumping structure part of a vacuum pump is generally arranged on one side of a pump body in an external mode, and leakage is easy to occur because a rotating shaft is continuously rotated in the operation process of the motor. "and specifically proposes an integrated cast body 2;

Integral casting body 2:

As the main body structure of the water pump, the pump shell 4, the end face 5 and the motor cover 11 are manufactured in an integrated casting mode, so that the position of the rotating shaft 18 of the motor 14 is prevented from being directly exposed to the leakage position, and water flow is further directly prevented from leaking from the position of the rotating shaft 18. The motor 14 controls the eccentric rotation of the blades 10 in the pump shell 4 through the rotating shaft 18, so that the throwing effect of water flow is realized. So that the water in the water pump enters the water pump from the position of the water inlet pipe 1 and is output from the position of the water outlet pipe 8, thereby completing the effect of the water pump. The screws 15 on the bottom flange 19 are the effect of the screwing of the water pump.

A vacuum pump is a mechanical device for pumping out gas molecules from an enclosed space, thereby reducing the gas pressure in the space. It is widely used in many fields of scientific research, industrial production and daily life, such as semiconductor manufacturing, vacuum packaging, freeze drying, vacuum plating, etc. Vacuum pumps can be classified into various types according to the operating principle and the application requirements. According to the utility model, through the integrated casting main body, the pump shell part and the motor installation part of the pump body are prepared in an integrated casting mode, so that the problem of leakage of water flow in the rotating process of the rotating shaft is directly avoided. The rotating shaft part is a part rotating at a high speed, so that the sealing structure can directly avoid the leakage problem. The output shaft 18 of the motor 14 is most prone to leakage because it rotates at high speed during operation. Therefore, the rotating part of the rotating shaft 18 needs to be sealed, so that the problem of leakage at the rotating shaft 18 is avoided. In addition, the first screw cover and the second screw cover 9 realize the screwing effect of the water inlet and outlet pipe, and respectively realize the water inlet and outlet.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. A leak-proof vacuum pump comprising a water inlet pipe (1), characterized in that it further comprises:

Integration casting main part (2), integration casting main part (2) include pump case (4), the inside eccentric rotation of pump case (4) is provided with pivot (18), one side butt joint of pivot (18) is provided with motor (14), the position that motor (14) correspond with pump case (4) is provided with sealing ring (17), the peripheral array of pivot (18) is provided with blade (10), one side integration casting of pump case (4) has motor housing (11), back lid (12) are installed in one side cover of motor housing (11), bolt (13) are installed in the surface tightening of back lid (12).

2. The leakage-proof vacuum pump according to claim 1, wherein an end face (5) is arranged on one side of the pump shell (4), a water outlet hole (6) is arranged on one side of the end face (5), a second butt joint pipe (7) is arranged on one side of the water outlet hole (6) in a butt joint mode, a water outlet pipe (8) is arranged on one side of the second butt joint pipe (7) in a butt joint mode, and a second screw cap (9) is installed on the surfaces of the second butt joint pipe (7) and the water outlet pipe (8) in a screwing mode.

3. A leak-proof vacuum pump according to claim 1, characterized in that a first screw cap (3) is arranged on one side of the water inlet pipe (1), a first screw is arranged on one side of the first screw cap (3) in a butt joint manner, and the first screw is arranged on one side of the pump shell (4) in a butt joint manner.

4. A leak-proof vacuum pump according to claim 1, characterized in that a flange (19) is provided on one side of the pump housing (4), the periphery of the flange (19) being provided with screws (15).

5. A leak-proof vacuum pump according to claim 4, characterized in that the array of screws (15) is arranged on the surface of the flange (19).

6. A leak-proof vacuum pump according to claim 1, characterized in that the motor (14) is provided with a sealing ring (17) at the point where the pump housing (4) is in abutment.

7. A leak-proof vacuum pump according to claim 2, characterized in that the end face (5), the pump housing (4) and the motor housing (11) are manufactured in an integrated casting manner, a bearing is arranged at the butt joint part of the rotating shaft (18) and the pump housing (4), and a water tank (16) is arranged inside the pump housing (4).