CN219549092U - Miniature improved negative pressure suction pump - Google Patents

Abstract

The utility model discloses a miniature improved negative pressure suction pump, which relates to the technical field of micro instruments and comprises a micro motor and a pump body arranged at one end of the micro motor, wherein a three-way head is arranged on an air inlet and outlet pipeline of the pump body, an electromagnetic valve is arranged at the top of the three-way head, a protective shell is fixedly arranged at the outer side of the three-way head, an air pipe seat is arranged at one side of the protective shell, a protective sleeve is fixedly arranged at the other side of the protective shell, a liquid connecting pipe is arranged at the inner side of the protective sleeve and is communicated with the three-way head, a connecting pipeline is arranged at the other end of the three-way head and is communicated with a connector.

Description

Miniature improved negative pressure suction pump

Technical Field

The utility model relates to a suction pump, in particular to a miniature improved negative pressure suction pump, and belongs to the technical field of micro instruments.

Background

The miniature negative pressure pump is a miniature air pump capable of generating negative pressure, namely one suction nozzle and one exhaust nozzle which are respectively provided with an inlet and an outlet, and vacuum or negative pressure can be continuously formed at the inlet; forming micro positive pressure at the exhaust nozzle; the working medium is mainly gas, the volume is small, the motor moves circularly, the diaphragm in the pump moves in a reciprocating way through a mechanical device, so that negative pressure is formed by compressing and stretching air in the pump cavity, a pressure difference is generated between the air extraction opening and the outside atmospheric pressure, and the gas is sucked into the pump cavity under the action of the pressure difference and is discharged from the exhaust port.

The existing miniature negative pressure suction pump is generally used in a medical instrument or an experimental instrument, the existing instrument can be required to absorb gas in the using process, as the gas is not purified, part of the gas contains large-particle impurities and enters the device, and the large-particle impurities can cause abrasion of high-precision mechanical parts in the suction pump, so that the using effect of equipment is affected.

Disclosure of Invention

The utility model aims to provide a miniature improved negative pressure suction pump so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a miniature improved generation negative pressure suction pump, includes micro motor and installs the pump body in micro motor one end, the three way connection head is installed to the business turn over air pipe of the pump body, the solenoid valve is installed at the top of three way connection head, and the break-make of solenoid valve control three way connection head realizes the different functions of device, the outside fixed mounting of three way connection head has the protective housing, the air pipe seat is installed to one side of protective housing, and the air pipe seat is used for fixed mounting air pipe seat, the connector is installed to one side of air pipe seat, the opposite side fixed mounting of protective housing has the protective housing, the liquid connecting pipe is installed to the inboard of protective housing, uses when this liquid is extracted to the liquid connecting pipe, and liquid connecting pipe and three way connection head intercommunication, connecting pipe is installed to the other end of three way connection head, and connecting pipe and connector intercommunication.

Preferably, a filter is installed at the bottom of the gas pipe seat, a filter screen is fixedly installed in the filter, and a filter core is fixedly installed on one side of the filter screen.

Preferably, a power supply groove is fixedly arranged on one side of the micro motor, and a base is arranged on the other end of the micro motor.

Preferably, a maintenance plate is fixedly installed at the bottom of the protective shell, and a knob is installed at the bottom of the maintenance plate.

Preferably, the mounting plate is installed to one side of protective housing and base, and is provided with the bolt hole on the mounting plate.

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

according to the miniature improved negative pressure suction pump, the filter core is adopted to block fine particles in air, the problem that the service life of a device is reduced due to excessively high abrasion speed of tiny parts in the device is avoided, the filter screen is arranged on the outer side of the miniature improved negative pressure suction pump and can block the particles, the substances which are sucked into the device can be avoided, the service life of the device can be effectively prolonged through the arrangement of the filter screen, the three-way head can be switched into a liquid connecting pipe when the device absorbs liquid, the functionality of the device is ensured, the device is protected by adopting a power supply groove, the wire is prevented from falling off in the using process, and the sealing performance and the service life of the device can be improved by adopting a fully-closed design.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a liquid connection pipe according to the present utility model;

fig. 4 is a schematic view of the structure of the air tube seat of the present utility model.

In the figure: 1. a micro motor; 2. a pump body; 3. a tee joint; 4. a protective shell; 5. maintaining the plate; 6. an electromagnetic valve; 7. a knob; 8. a gas pipe seat; 9. a connector; 10. a filter; 11. a power supply slot; 12. a base; 13. a mounting plate; 14. a liquid connection tube; 15. a protective sleeve; 16. a filter element; 17. a connecting pipe; 18. and (3) a filter screen.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a miniature improved negative pressure suction pump, including a miniature motor 1 and a pump body 2 installed at one end of the miniature motor 1, a three-way head 3 is installed on an air inlet and outlet pipeline of the pump body 2, suction force is generated by the pump body 2 to pump out gas or liquid, an electromagnetic valve 6 is installed at the top of the three-way head 3, the electromagnetic valve 6 controls on-off of the three-way head 3 to realize different functions of the device, a protection shell 4 is fixedly installed at the outer side of the three-way head 3, the protection shell 4 protects internal equipment, the problem of collision damage is avoided in the installation process, a gas pipe seat 8 is installed at one side of the protection shell 4, the gas pipe seat 8 is used for fixedly installing the gas pipe seat 8, a connector 9 is installed at one side of the gas pipe seat 8, the connector 9 is specially designed to increase stability of the device to the pipeline, a protection shell 15 is fixedly installed at the other side of the protection shell 4, the protection shell 15 increases strength of a liquid connecting pipe 14, collision breakage is avoided in installation, the inner side of the protection shell 15 is installed with the liquid connecting pipe 14, the liquid connecting pipe 14 is used in extraction of the liquid connecting pipe 14 is communicated with the three-way head 3, the other end of the three-way head 3 is fixedly installed, a connecting pipeline 17 is connected with the connecting pipeline 17, and the connecting pipeline 17 is communicated with the connector 9.

Further: the filter 10 is installed to the bottom of gas tube seat 8, and filter 10 can be detached in the middle of the gas tube seat 8, and filter 10's inside fixed mounting has filter screen 18, and gas tube seat 8 can filter the big particulate matter in the air congeals, avoids getting into in the equipment, and filter core 16 is installed to one side fixed mounting of filter screen 18, and filter core 16 can effectually filter the granule in the air, avoids the granule to cause inside miniature part to produce wearing and tearing.

Further: one side of the micro motor 1 is fixedly provided with a power supply groove 11, the power supply groove 11 protects a wire inserting metal rod, the phenomenon of separation and bending in the using process is avoided, and the other end of the micro motor 1 is provided with a base 12.

Further: the bottom fixed mounting of protective housing 4 has maintenance board 5, and maintenance board 5 accessible dismantlement mode is maintained inside tee bend head 3, and knob 7 is installed to the bottom of maintenance board 5.

Further: the mounting panel 13 is installed to one side of protective housing 4 and base 12, and mounting panel 13 is used for fixing this device, and is provided with the bolt hole on the mounting panel 13.

When the device is specifically used, the device is fixedly installed in equipment through the installation plate 13, the connector 9 and the liquid connection pipe 14 are connected with a pipeline after the installation is finished, when gas is required to be extracted, the electromagnetic valve 6 can be started to control the passage of the three-way head 3, then the micro motor 1 and the pump body 2 are started, gas can be pumped into the equipment from the air pipe seat 8, the gas can be filtered through the internal filter core 16 when passing through the air pipe seat 8, and when the liquid is required to be extracted, the electromagnetic valve 6 can be started to change direction by the rotary knob 7.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

Claims (5)

1. The utility model provides a miniature improved generation negative pressure suction pump, includes micro motor (1) and installs pump body (2) in micro motor (1) one end, its characterized in that, three way head (3) are installed to the business turn over air pipeline of pump body (2), solenoid valve (6) are installed at the top of three way head (3), the outside fixed mounting of three way head (3) has protective housing (4), air pipe seat (8) are installed to one side of protective housing (4), connector (9) are installed to one side of air pipe seat (8), the opposite side fixed mounting of protective housing (4) has protective sheath (15), liquid connecting pipe (14) are installed to the inboard of protective sheath (15), and liquid connecting pipe (14) and three way head (3) intercommunication, connecting pipe (17) are installed to the other end of three way head (3), and connecting pipe (17) and connector (9) intercommunication.

2. The miniature, improved negative pressure suction pump of claim 1, wherein: the filter (10) is installed to the bottom of trachea seat (8), the inside fixed mounting of filter (10) has filter screen (18), one side fixed mounting of filter screen (18) has filter core (16).

3. The miniature, improved negative pressure suction pump of claim 1, wherein: one side of the miniature motor (1) is fixedly provided with a power supply groove (11), and the other end of the miniature motor (1) is provided with a base (12).

4. The miniature, improved negative pressure suction pump of claim 1, wherein: the bottom of protective housing (4) fixed mounting has maintenance board (5), knob (7) are installed to the bottom of maintenance board (5).

5. The miniature, improved negative pressure suction pump of claim 1, wherein: mounting plate (13) are installed to one side of protective housing (4) and base (12), and are provided with the bolt hole on mounting plate (13).