CN213016706U

CN213016706U - Exhaust structure of vacuum pumping pump

Info

Publication number: CN213016706U
Application number: CN202021962562.1U
Authority: CN
Inventors: 陈鸿燊
Original assignee: Wuxi Rongli Industrial Gas Co ltd
Current assignee: Wuxi Rongli Industrial Gas Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-20
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses an exhaust structure of a vacuum pump, which comprises a pump body, wherein the middle part of one side of the pump body is fixedly connected with an air inlet, one side of the top end of the pump body is fixedly connected with an exhaust port, the other side of the top end of the pump body is fixedly provided with a control box, the top end of the exhaust port is fixedly connected with a solenoid valve through a fixing bolt, the inside of the fixing bolt is fixedly provided with a gasket, the solenoid valve comprises a first valve body and a second valve body, the middle part of one side of the first valve body is fixedly connected with a screw through a connecting piece, the middle part of the screw is penetrated and connected with an iron core, the middle part of, the bolt and the fixing bolt are detached, so that the electromagnetic valve is convenient to maintain and clean, the output end of the control box is electrically connected with the electromagnetic valve, the electromagnetic valve is electrically connected with an external power supply through the control box, and the control box controls the electromagnetic valve to be closed and opened.

Description

Exhaust structure of vacuum pumping pump

Technical Field

The utility model relates to an exhaust structure, in particular to evacuation pump exhaust structure belongs to vacuum pump technical field.

Background

The vacuum pump is a device for obtaining vacuum by pumping a container by using a mechanical, physical or chemical method, can improve, generate and maintain a vacuum state in the container, is widely applied to industries such as chemical engineering, metallurgy, electronic coating and the like, generally comprises an air inlet and an air outlet, and gas in the container is sucked in from the air inlet and then is exhausted from the air outlet.

The exhaust structure of the existing vacuum pump keeps a smooth state, so that gas can be conveniently discharged, when a motor fails or stops working, the vacuum pump stops working and does not suck gas in the container any more, air at an exhaust port can enter the vacuum pump and then enters the container, the vacuum degree of the container is reduced, and the use effect of the vacuum pump is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum pump exhaust structure to solve the problem of the gaseous refluence of the gas vent that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vacuum pump exhaust structure, includes the pump body, the middle part fixedly connected with air inlet of pump body one side, one side fixedly connected with gas vent on pump body top, fixing bolt fixedly connected with solenoid valve is passed through on the top of gas vent, the solenoid valve includes first valve body and second valve body, connecting piece fixedly connected with screw is passed through at the middle part of first valve body one side, the middle part of screw alternates and is connected with the iron core, the screw hole has been seted up at the middle part of second valve body one side, the screw is connected with the screw hole cooperation.

As a preferred technical scheme of the utility model, there are two coils in the inside of first valve body about center pin symmetry fixed mounting, the middle part of first valve body bottom is seted up flutedly, the top fixedly connected with spring of recess, the bottom of spring and the top fixed connection of iron core.

As a preferred technical scheme of the utility model, the admission line has been seted up to one side of second valve body, exhaust duct has been seted up to the opposite side of second valve body, communicate through the transition pipeline between admission line and the exhaust duct, the transition pipeline is provided with the valve port with exhaust duct's intercommunication department, the bottom fixedly connected with valve clack of iron core, the valve port is connected with the valve clack cooperation.

As an optimized technical scheme of the utility model, fixing bolt's inside fixed mounting has the gasket.

As a preferred technical scheme of the utility model, the opposite side fixed mounting on pump body top has the control box, the inside of control box is fixed and is equipped with the battery.

As a preferred technical scheme of the utility model, the fixed solenoid valve switch that is equipped with in front of control box, the solenoid valve passes through solenoid valve switch and battery electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an evacuation pump exhaust structure:

one side fixedly connected with gas vent through pump body top, the gas vent is connected with the solenoid valve, the internally mounted of the first valve body of solenoid valve has two coils, first valve body middle part is seted up flutedly, the recess internal fixation has the spring, spring and iron core fixed connection, well intercommunication of second valve body has the admission line, transition pipeline and exhaust duct, transition pipeline is provided with the valve port with exhaust duct intercommunication department, the bottom fixed connection of iron core has the valve clack, the valve port is connected with the valve clack cooperation, when needing closed solenoid valve, control box control coil loses the electricity, the iron core promotes valve clack and valve port cooperation under the effect of spring, make the pipeline blocked by the valve body, exhaust duct's gas just can not flow backwards and get into in the vacuum pump.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a first valve body of the present invention;

fig. 3 is a schematic structural diagram of a second valve body of the present invention;

fig. 4 is a schematic diagram of the planar structure of the electromagnetic valve of the present invention.

In the figure: 1. a pump body; 2. a control box; 3. an air inlet; 4. an exhaust port; 5. fixing the bolt; 6. a gasket; 7. an electromagnetic valve; 8. an air intake duct; 9. an exhaust duct; 10. a transition duct; 11. a first valve body; 12. a second valve body; 13. a screw; 14. an iron core; 15. a screw hole; 16. a coil; 17. a groove; 18. a spring; 19. a valve port; 20. and the valve clack.

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.

Referring to fig. 1-4, the present invention provides a technical solution of an exhaust structure of a vacuum pump:

according to the drawings of fig. 1, fig. 2 and fig. 3, the electromagnetic valve comprises a pump body 1, an air inlet 3 is fixedly connected to the middle of one side of the pump body 1, an exhaust port 4 is fixedly connected to one side of the top end of the pump body 1, a control box 2 is fixedly installed on the other side of the top end of the pump body 1, an electromagnetic valve 7 is fixedly connected to the top end of the exhaust port 4 through a fixing bolt 5, a gasket 6 is fixedly installed inside the fixing bolt 5, the electromagnetic valve 7 comprises a first valve body 11 and a second valve body 12, a screw 13 is fixedly connected to the middle of one side of the first valve body 11 through a connecting piece, an iron core 14 is inserted and connected to the middle of the screw 13, a screw hole 15 is formed in the middle of one side of the second valve body 12, the screw 13 is in fit connection with the screw hole 15, the electromagnetic valve, the front of control box 2 is fixed and is equipped with the solenoid valve switch, and solenoid valve 7 passes through solenoid valve switch and battery electric connection, and control box 2 control opening and closing of solenoid valve 7.

Referring to fig. 1 and 4, two coils 16 are symmetrically and fixedly mounted inside a first valve body 11 about a central axis, a groove 17 is formed in the middle of the bottom end of the first valve body 11, a spring 18 is fixedly connected to the top end of the groove 17, the bottom end of the spring 18 is fixedly connected to the top end of an iron core 14, an air inlet pipe 8 is formed in one side of a second valve body 12, an exhaust pipe 9 is formed in the other side of the second valve body 12, the air inlet pipe 8 is communicated with the exhaust pipe 9 through a transition pipe 10, a valve port 19 is formed at the communication position of the transition pipe 10 and the exhaust pipe 9, a valve flap 20 is fixedly connected to the bottom end of the iron core 14, the, after the motor stops, the control box 2 controls the coil 16 to lose power, the spring 18 in a compressed state is reset, so that the iron core 14 pushes the valve flap 20 to match with the valve port 19, the electromagnetic valve 7 is in a closed state, and the gas in the exhaust pipe 9 cannot flow back into the pump body 1.

When in use, the utility model relates to an exhaust structure of a vacuum pump, when in use, gas in a container enters a pump body 1 from an air inlet 3, enters a second valve body 12 of an electromagnetic valve 7 through an air outlet 4, and is discharged into air through an air inlet pipeline 8, a transition pipeline 10 and an exhaust pipeline 9, when a motor of the vacuum pump is damaged or is shut down, a control box 2 controls a coil 16 in a first valve body 11 of the electromagnetic valve 7 to lose power, a spring 18 which is positioned in a groove 17 and is in a compressed state resets, so that an iron core 14 connected with the spring moves downwards, a valve clack 20 is pushed to downwards enter a valve port 19 to be matched with the valve port 19, the electromagnetic valve 7 is closed, the gas in the air can not enter the pump body 1 from the exhaust pipeline 9, the problem of gas backflow is solved, when the electromagnetic valve 7 is disassembled, a fixing bolt 5 is firstly unscrewed, the electromagnetic valve 7 is disassembled from the pump body 1, a screw 13 on, the screw 13 is screwed out of the screw hole 15 on the second valve body 12, and the first valve body 11 and the second valve body 12 are separated, so that the electromagnetic valve 7 is convenient to maintain and clean.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. The utility model provides an exhaust structure of vacuum pump, includes the pump body (1), its characterized in that, middle part fixedly connected with air inlet (3) of pump body (1) one side, one side fixedly connected with gas vent (4) on the pump body (1) top, fixing bolt (5) fixedly connected with solenoid valve (7) are passed through on the top of gas vent (4), solenoid valve (7) are including first valve body (11) and second valve body (12), connecting piece fixedly connected with screw (13) are passed through at the middle part of first valve body (11) one side, the middle part of screw (13) has been interlude and has been connected with iron core (14), screw hole (15) have been seted up at the middle part of second valve body (12) one side, screw (13) are connected with screw hole (15) cooperation.

2. A vacuum pump exhaust structure according to claim 1, wherein: two coils (16) are symmetrically and fixedly mounted in the first valve body (11) about a central axis, a groove (17) is formed in the middle of the bottom end of the first valve body (11), a spring (18) is fixedly connected to the top end of the groove (17), and the bottom end of the spring (18) is fixedly connected to the top end of the iron core (14).

3. A vacuum pump exhaust structure according to claim 2, wherein: an air inlet pipeline (8) is formed in one side of the second valve body (12), an exhaust pipeline (9) is formed in the other side of the second valve body (12), the air inlet pipeline (8) is communicated with the exhaust pipeline (9) through a transition pipeline (10), a valve port (19) is formed in the communication position of the transition pipeline (10) and the exhaust pipeline (9), a valve clack (20) is fixedly connected to the bottom end of the iron core (14), and the valve port (19) is connected with the valve clack (20) in a matched mode.

4. A vacuum pump exhaust structure according to claim 1, wherein: and a gasket (6) is fixedly arranged inside the fixing bolt (5).

5. A vacuum pump exhaust structure according to claim 1, wherein: the pump body (1) is characterized in that a control box (2) is fixedly mounted on the other side of the top end of the pump body, and a storage battery is fixedly arranged inside the control box (2).

6. A vacuum pump exhaust structure according to claim 5, wherein: the front of control box (2) is fixed and is equipped with the solenoid valve switch, solenoid valve (7) are through solenoid valve switch and battery electric connection.