CN219012829U

CN219012829U - High-performance vacuum diaphragm pump

Info

Publication number: CN219012829U
Application number: CN202223568319.3U
Authority: CN
Inventors: 喻丙坤; 陆天鸿; 王倚天; 金健芳
Original assignee: Hunan Huanhuan Medical Technology Co ltd
Current assignee: Hunan Huanhuan Medical Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-12
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a high-performance vacuum diaphragm pump, which relates to the technical field of vacuum diaphragm pumps, and comprises a pump shell, wherein the lower end of the pump shell is provided with a plurality of support legs, the inner wall of the pump shell is provided with four communicated pipelines, namely a first suction pipe, a second suction pipe, a third suction pipe and a fourth suction pipe, the fourth suction pipe is communicated with an air inlet pipe, the third suction pipe is communicated with an air outlet pipe, a first negative pressure cylinder and a second negative pressure cylinder are respectively communicated with the first suction pipe and the second suction pipe, diaphragm sheets are arranged inside the first negative pressure cylinder and the second negative pressure cylinder, the diaphragm sheets of the first negative pressure cylinder and the second negative pressure cylinder are respectively connected with a second pushing rod and a first pushing rod, the first pushing rod and the second pushing rod are connected with a driving mechanism, and the driving mechanism can control one negative pressure cylinder to pump the other negative pressure cylinder, so that the vacuum diaphragm pump can perform pumping work more efficiently.

Description

High-performance vacuum diaphragm pump

Technical Field

The utility model relates to the technical field of vacuum diaphragm pumps, in particular to a high-performance vacuum diaphragm pump.

Background

The vacuum pump is a device for pumping air from a pumped container by mechanical, material, chemical and other methods to obtain a vacuum state. The vacuum diaphragm pump is used as one of the vacuum pumps, has high working efficiency and long service life, is widely applied to various industries, and is one of the indispensable equipment in the laboratory. The structure of the common vacuum diaphragm pump is quite complex, and the operation and maintenance are difficult.

The vacuum diaphragm pump disclosed in the prior patent publication No. CN216554264U can rapidly complete the pumping work, and has the advantages of simple and practical structure, convenient personnel operation and low cost. However, the device only performs suction work through one negative pressure cylinder, so that the device cannot be pumped out when pumping out, the pumping work can only be finished intermittently, and unnecessary working time is wasted.

Based on the above, a high-performance vacuum diaphragm pump is provided, and the defects of the existing device can be overcome.

Disclosure of Invention

The utility model aims to provide a high-performance vacuum diaphragm pump so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a high performance vacuum diaphragm pump, includes the pump case, the pump case lower extreme is equipped with a plurality of stabilizer blades, the pump case inner wall is equipped with four pipelines, is first suction tube, second suction tube, third suction tube and fourth suction tube respectively, through one-way disk seat head and the tail intercommunication between first suction tube, second suction tube, third suction tube and the fourth suction tube, the intercommunication has the intake pipe on the fourth suction tube, the intercommunication has the outlet duct on the third suction tube, first negative pressure cylinder and second negative pressure cylinder communicate with first suction tube and second suction tube respectively, first negative pressure cylinder and second negative pressure cylinder inside are equipped with the diaphragm piece, first negative pressure cylinder and second negative pressure cylinder are fixedly connected with a sleeve pipe respectively, the diaphragm piece of first negative pressure cylinder and second negative pressure cylinder is connected with second catch bar and first catch bar respectively, first catch bar and second catch bar pass the sleeve pipe and are connected with actuating mechanism.

Based on the technical scheme, the utility model also provides the following optional technical schemes:

in one alternative: the driving mechanism comprises a motor, a first connecting rod, a second connecting rod, a supporting plate and a rotating shaft, wherein the supporting plate is arranged inside the pump shell, the motor is arranged on the supporting plate, the output end of the motor is connected with the rotating shaft, and the most far end of the rotating shaft is rotationally connected with the first connecting rod and the second connecting rod.

In one alternative: the surface of the pump shell is provided with a switch.

In one alternative: and the pump shell is provided with a heat dissipation hole at a position corresponding to the motor.

In one alternative: and a handle is arranged on the pump shell.

In one alternative: the support legs are rubber support legs.

In one alternative: the first suction tube, the second suction tube, the third suction tube and the fourth suction tube are arranged on the inner wall of the pump shell.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the installation of the driving mechanism and the pipelines, the vacuum diaphragm pump can complete the extraction and the pumping at the same time, so that the vacuum diaphragm pump can continuously extract the gas, the working efficiency is improved, and the practicability is strong.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the surface structure of the present utility model.

Fig. 3 is a schematic view of a driving mechanism according to the present utility model.

Reference numerals annotate: pump housing 11, leg 12, first suction tube 13, second suction tube 14, first negative pressure cylinder 15, second negative pressure cylinder 16, air intake tube 17, air outlet tube 18, sleeve 19, motor 20, first connecting rod 21, second connecting rod 22, switch 23, handle 24, one-way valve seat 25, heat dissipation hole 26, support plate 27, rotation shaft 28, first push rod 29, second push rod 30, third suction tube 31, and fourth suction tube 32.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

In one embodiment, as shown in fig. 1-3, a high-performance vacuum diaphragm pump comprises a pump shell 11, a plurality of support legs 12 are arranged at the lower end of the pump shell 11, four pipelines are arranged on the inner wall of the pump shell 11, namely a first suction pipe 13, a second suction pipe 14, a third suction pipe 31 and a fourth suction pipe 32, the first suction pipe 13, the second suction pipe 14, the third suction pipe 31 and the fourth suction pipe 32 are communicated end to end through a one-way valve seat 25, an air inlet pipe 17 is communicated with the fourth suction pipe 32, an air outlet pipe 18 is communicated with the third suction pipe 31, the valve direction of the one-way valve seat 25 is led to the air outlet pipe 18 from the air inlet pipe 17, the first negative pressure cylinder 15 and the second negative pressure cylinder 16 are respectively communicated with the first suction pipe 13 and the second suction pipe 14, diaphragm sheets are arranged inside the first negative pressure cylinder 15 and the second negative pressure cylinder 16, the first negative pressure cylinder 15 and the second negative pressure cylinder 16 control the extraction and pumping of the gas through the deformation of the inner diaphragm, the first negative pressure cylinder 15 and the second negative pressure cylinder 16 are respectively fixedly connected with a sleeve 19, the diaphragm of the first negative pressure cylinder 15 and the second negative pressure cylinder 16 is respectively connected with a second push rod 30 and a first push rod 29, the first push rod 29 and the second push rod 30 pass through the sleeve 19 to be connected with a driving mechanism, the negative pressure cylinders are controlled by the driving mechanism to extract and pump the gas, the driving mechanism can control one negative pressure cylinder to extract and pump the other negative pressure cylinder, so that the second negative pressure cylinder 16 pumps when the first negative pressure cylinder 15 extracts, and vice versa, the gas enters a fourth suction pipe 32 from an air inlet pipe 17, flows into the first suction pipe 13 and the second suction pipe 14 respectively, flows into a third suction pipe 31, finally discharged through an air outlet pipe 18.

The driving mechanism comprises a motor 20, a first connecting rod 21, a second connecting rod 22, a supporting plate 27 and a rotating shaft 28, wherein the supporting plate 27 is arranged inside the pump shell 11, the motor 20 is arranged on the supporting plate 27, the output end of the motor 20 is connected with the rotating shaft 28, the farthest end of the rotating shaft 28 is rotationally connected with the first connecting rod 21 and the second connecting rod 22, and the first connecting rod 21 and the second connecting rod 22 respectively extend and retract when the rotating shaft 28 rotates, so that the first negative pressure cylinder 15 and the second negative pressure cylinder 16 also respectively pump.

The surface of the pump shell 11 is provided with a switch 23, and the switch 23 controls whether the motor 20 is connected with a power supply or not, so that the use is convenient.

The pump shell 11 is provided with a heat radiation hole 26 at a position corresponding to the motor 20 to prevent the motor from overheating during operation.

The pump shell 11 is provided with a handle 24, so that the vacuum diaphragm pump can be better transported.

The legs 12 are rubber legs, which reduce the sound effect caused by the shaking of the pump housing 11 due to the operation of the motor.

The first suction pipe 13, the second suction pipe 14, the third suction pipe 31 and the fourth suction pipe 32 are mounted on the inner wall of the pump housing 11, and support is provided for the first suction pipe 13, the second suction pipe 14, the third suction pipe 31 and the fourth suction pipe 32, so that stability in operation is ensured.

When in use, the switch 23 is turned on, the motor 20 starts to rotate, the first negative pressure cylinder 15 and the second negative pressure cylinder 16 respectively pump and pump out, the air is pumped into the suction pipe 25 through the suction opening 18, and the air flows through the first suction pipe 13 and the second suction pipe 14 in turn and is discharged through the air outlet 18, so that the suction work is efficiently completed.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A high-performance vacuum diaphragm pump comprises a pump shell (11), wherein a plurality of supporting legs (12) are arranged at the lower end of the pump shell (11), it is characterized in that four pipelines are arranged on the inner wall of the pump shell (11), namely a first suction pipe (13), a second suction pipe (14), a third suction pipe (31) and a fourth suction pipe (32), the first suction pipe (13), the second suction pipe (14), the third suction pipe (31) and the fourth suction pipe (32) are communicated end to end through a one-way valve seat (25), an air inlet pipe (17) is communicated with the fourth suction pipe (32), an air outlet pipe (18) is communicated with the third suction pipe (31), the first suction pipe (13) and the second suction pipe (14) are respectively communicated with a first negative pressure cylinder (15) and a second negative pressure cylinder (16), the first negative pressure cylinder (15) and the second negative pressure cylinder (16) are internally provided with diaphragm sheets, the first negative pressure cylinder (15) and the second negative pressure cylinder (16) are respectively and fixedly connected with a sleeve (19), the diaphragm sheets of the first negative pressure cylinder (15) and the second negative pressure cylinder (16) are respectively connected with a second pushing rod (30) and a first pushing rod (29), the first pushing rod (29) and the second pushing rod (30) penetrate through the sleeve (19) to be connected with the driving mechanism.

2. The high-performance vacuum diaphragm pump according to claim 1, wherein the driving mechanism comprises a motor (20), a first connecting rod (21), a second connecting rod (22), a supporting plate (27) and a rotating shaft (28), the supporting plate (27) is arranged inside the pump shell (11), the motor (20) is arranged on the supporting plate (27), the output end of the motor (20) is connected with the rotating shaft (28), and the farthest end of the rotating shaft (28) is rotationally connected with the first connecting rod (21) and the second connecting rod (22).

3. A high performance vacuum diaphragm pump according to claim 1, characterized in that the pump housing (11) is provided with a switch (23) on its surface.

4. A high performance vacuum diaphragm pump according to claim 2, wherein the pump housing (11) is provided with heat dissipating holes (26) at positions corresponding to the motor (20).

5. A high performance vacuum diaphragm pump according to claim 1, characterized in that the pump housing (11) is provided with a handle (24).

6. A high performance vacuum diaphragm pump according to claim 1, wherein the feet (12) are rubber feet.

7. A high performance vacuum diaphragm pump according to claim 1, characterized in that the first suction tube (13), the second suction tube (14), the third suction tube (31) and the fourth suction tube (32) are mounted on the inner wall of the pump housing (11).