CN210003525U

CN210003525U - miniature water pump capable of exhausting air

Info

Publication number: CN210003525U
Application number: CN201920933407.8U
Authority: CN
Inventors: 王伟清
Original assignee: Changsha Pump Technology Co Ltd
Current assignee: Changsha Pump Technology Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-01-31
Anticipated expiration: 2029-06-20

Abstract

The utility model provides an miniature water pump that can exhaust, including pump head, pump housing, core vent, isolation chamber, connecting axle, rotor, stator motor and PCBA control panel, the pump head closes on the opening of pump housing with the isolation chamber lid, the isolation chamber is arranged in pump housing and pump head, the cavity separation in pump housing and the pump head is separated into pump chamber and pump waterproof chamber with the isolation chamber, the rotor is arranged in the pump chamber, the connecting axle runs through in the rotor, connecting axle both ends respectively with pump head, isolation chamber fixed connection, the stator motor is in the pump waterproof intracavity, for the rotor rotation in the drive pump intracavity, the PCBA control panel is in the pump waterproof intracavity, PCBA control panel and stator motor electric connection, be equipped with the gas vent on the pump head, the core vent is assorted with the gas vent, the utility model discloses in, be equipped with the gas vent on the pump head, be favorable to the discharge of air in the water pump, reduce the damage of water pump operation under anhydrous state, through the switching of core vent control, structural design is simple, and convenient.

Description

miniature water pump capable of exhausting air

Technical Field

The utility model relates to a micropump technical field, concretely relates to kinds of carminative miniature water pump.

Background

Miniature pump is when times uses, and entire system and connecting tube just begin to be in anhydrous state work, leads to the water back, because air can not discharge fast in the pump, and the long-time idle running of pump can lead to unfavorable phenomena such as noise increase in the water pump, motor burnout to influence the normal use of water pump and the life of water pump.

Among the prior art, there is not exhaust structural design, and the exhaust effect is poor, needs to pass through artifical complicated exhaust after pump and corollary equipment piping erection are accomplished, needs the repeated starting equipment to exhaust many times, needs professional to spend longer time to accomplish, and work efficiency is low.

In summary, there is a need for micro water pumps capable of exhausting air to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an kinds of carminative miniature water pump to solve the problem of air escape in the pump.

In order to achieve the purpose, the utility model provides an miniature water pump capable of exhausting, which comprises a pump head, a pump shell, an exhaust plug, an isolation cavity, a connecting shaft, a rotor, a stator motor and a PCBA control panel, wherein the pump head and the isolation cavity are covered on an opening of the pump shell;

the pump head is provided with an exhaust port, and an exhaust plug is matched with the exhaust port and used for controlling the opening and closing of the exhaust port.

Preferably, the pump head is provided with a water inlet and a water outlet; the water inlet sets up at the pump head top, and the delivery port setting is at pump head bottom side, and the flow direction mutually perpendicular of water inlet and delivery port.

Preferably, the vent has internal threads therein and the vent plug has external threads; the exhaust port is in threaded connection with the exhaust plug.

Preferably, the end face of the end of the vent plug is provided with a handle extending outwards perpendicular to the axial direction to facilitate screwing in and screwing out of the vent plug, and the axial surface of the end of the vent plug is provided with an annular groove for placing a sealing ring.

Preferably, all be equipped with the gasket between rotor and the pump head and between rotor and the isolation chamber, the gasket cover is on the connecting axle for reduce the rotor when the rotor rotates and the wearing and tearing between pump head and the isolation chamber.

Use the technical scheme of the utility model, following beneficial effect has:

in the utility model, the air outlet is arranged on the pump head, which is beneficial to discharging the air in the water pump and reduces the damage of the water pump in the running without water; the exhaust plug is provided with an annular groove, and the sealing ring is accommodated in the annular groove, so that the sealing effect when the exhaust port is closed is ensured; the vent plug is provided with a convex handle, so that the vent plug can be screwed in and out conveniently; the exhaust plug controls the exhaust hole to be opened and closed, and the exhaust plug is simple in structural design, convenient to use and high in working efficiency.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages as will become apparent from the following detailed description which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, wherein:

FIG. 1 is a perspective view of a micro water pump;

FIG. 2 is a top view of the micro-water pump;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of a vent plug construction;

the air pump comprises a pump head 1, a pump head 1.1, an air outlet 1.2, a water outlet 1.3, a water inlet 2, a pump shell 3, an air exhaust plug 3.1, a handle 3.2, an annular groove 4, an isolation cavity 5, a connecting shaft 6, a rotor 7, a stator motor 8, a PCBA control board 9, a gasket 10 and a sealing ring.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example 1:

referring to fig. 1-4, kinds of miniature water pumps capable of exhausting air comprise a pump head 1, a pump housing 2, an exhaust plug 3, an isolation cavity 4, a connecting shaft 5, a rotor 6, a stator motor 7 and a PCBA control board 8, wherein the pump head 1 and the isolation cavity 4 are covered on an opening of the pump housing 2, the isolation cavity 4 is arranged in the pump housing 2, the isolation cavity 4 divides a cavity in the pump housing 2 and the pump head 1 into a pump cavity and a pump waterproof cavity, liquid circulation is carried out in the pump cavity, the stator motor 7 and the PCBA control board 8 are fixed in the pump waterproof cavity, the rotor 6 is arranged in the pump cavity, the connecting shaft 5 penetrates through the rotor 6, two ends of the connecting shaft 5 are respectively and fixedly connected with the pump head 1 and the isolation cavity 4, the stator motor 7 is arranged in the pump waterproof cavity and used for driving the rotor 6 to rotate, the PCBA control board 8 is arranged in the pump waterproof cavity, the PCBA control board 8 is electrically connected with the stator motor 7, the exhaust port 1.1 is arranged on the pump head 1, the exhaust plug 3 is matched.

The pump head 1 is provided with a water inlet 1.3 and a water outlet 1.2; the water inlet 1.3 sets up at pump head 1 top, and delivery port 1.2 sets up at pump head 1 bottom side, and the flow direction mutually perpendicular of water inlet 1.3 and delivery port 1.2. The stator motor drives the rotor 6 in the pump cavity to rotate, drives liquid to circulate under high-speed rotation, and water enters from the water inlet 1.3 of the pump head and exits from the water outlet 1.2 of the pump head.

The exhaust port 1.1 is internally provided with an internal thread, and the exhaust plug 3 is provided with an external thread; the exhaust port 1.1 is screwed to the exhaust plug 3.

As shown in figure 4, the end face of the vent plug 3 is provided with a handle 3.1 extending outwards in a direction perpendicular to the axial direction so as to facilitate screwing in and screwing out of the vent plug 3, and the axial surface of the other end of the vent plug 3 is provided with an annular groove 3.2 for placing the sealing ring 10.

And gaskets 9 are arranged between the rotor 6 and the pump head 1 and between the rotor 6 and the isolation cavity 4, and the gaskets 9 are sleeved on the connecting shaft 5 to reduce the abrasion between the rotor 6 and the pump head 1 and between the rotor 6 and the isolation cavity 4 when the rotor 6 rotates.

According to the types of miniature water pumps capable of exhausting, the air outlet is formed in the pump head, so that air in the water pump can be exhausted, the damage of the water pump in a water-free state is reduced, the annular groove is formed in the air exhaust plug, the sealing ring is accommodated in the annular groove, the sealing effect when the air outlet is closed is guaranteed, the air exhaust plug is provided with the protruding handle, the air exhaust plug can be screwed in and out conveniently, the air exhaust hole is controlled to be opened and closed through the air exhaust plug, the structural design is simple, the use is convenient, and the working efficiency is high.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

The micro water pump capable of exhausting air is characterized by comprising a pump head (1), a pump shell (2), an exhaust plug (3), an isolation cavity (4), a connecting shaft (5), a rotor (6), a stator motor (7) and a PCBA control board (8), wherein the pump head (1) and the isolation cavity (4) are covered on an opening of the pump shell (2), the isolation cavity (4) is arranged in the pump shell (2) and the pump head (1), the isolation cavity (4) divides a cavity in the pump shell (2) and the pump head (1) into a pump cavity and a pump waterproof cavity, the rotor (6) is arranged in the pump cavity, the connecting shaft (5) penetrates through the rotor (6), two ends of the connecting shaft (5) are respectively and fixedly connected with the pump head (1) and the isolation cavity (4), the stator motor (7) is arranged in the pump waterproof cavity and is used for driving the rotor (6) in the pump cavity to rotate, the PCBA control board (8) is arranged in the pump waterproof cavity, and the PCBA control board (8) is electrically connected with the stator motor (7;

the pump head (1) is provided with an exhaust port (1.1), and an exhaust plug (3) is matched with the exhaust port (1.1) and used for controlling the opening and closing of the exhaust port (1.1).
2. The miniature water pump capable of exhausting gas of claim 1, wherein the pump head (1) is provided with a water inlet (1.3) and a water outlet (1.2), the water inlet (1.3) is arranged at the top of the pump head (1), the water outlet (1.2) is arranged at the side of the bottom of the pump head (1), and the flow directions of the water inlet (1.3) and the water outlet (1.2) are perpendicular to each other.
3. The miniature water pump capable of exhausting gas in accordance with claim 2, wherein the exhaust port (1.1) has internal threads therein, the exhaust plug (3) has external threads, and the exhaust port (1.1) is in threaded connection with the exhaust plug (3).
4. miniature pump of claim 3, wherein the end face of the end of the vent plug (3) has a handle (3.1) extending outward perpendicular to the axial direction to facilitate screwing in and out of the vent plug (3), and the axial face of the end of the vent plug (3) has an annular groove (3.2) for placing the sealing ring (10).
5. The miniature water pump capable of exhausting air as claimed in any of claims 1 to 4, wherein a gasket (9) is disposed between the rotor (6) and the pump head (1) and between the rotor (6) and the isolation chamber (4), and the gasket (9) is sleeved on the connecting shaft (5) to reduce the wear between the rotor (6) and the pump head (1) and the isolation chamber (4) when the rotor (6) rotates.