CN209430468U

CN209430468U - A kind of solenoid valve and the pump with solenoid valve

Info

Publication number: CN209430468U
Application number: CN201920023070.7U
Authority: CN
Inventors: 卢春良; 张灿林; 张建军
Original assignee: JINJIANG YAXING PUMP MANUFACTURING Co Ltd
Current assignee: JINJIANG YAXING PUMP MANUFACTURING Co Ltd
Priority date: 2019-01-08
Filing date: 2019-01-08
Publication date: 2019-09-24
Anticipated expiration: 2029-01-08

Abstract

The utility model provides a kind of solenoid valve, including coil rack, coil, valve body, valve deck and movable valve plate, valve deck lid is located on valve body, valve deck and valve body surround a closed annular chamber, coil rack and coil are arranged in annular chamber, coil is wrapped on coil rack, the lower section of valve body is arranged in movable valve plate, it includes solenoid valve that the utility model, which also provides a kind of pump with solenoid valve, motor, the pump housing, pump shaft and moving ring sleeve, solenoid valve, pump shaft and rotating ring are set in the pump housing, institute's motor is fixedly connected with the pump housing, one end of pump shaft connects motor, moving ring sleeve is set on pump shaft, solenoid valve is fixed with the pump housing, gap is equipped between moving ring sleeve and solenoid valve, when the coil is energized, movable valve plate is sucked in valve body, movable valve plate closes leak source.Solenoid valve described in the utility model and pump with solenoid valve, sealing structure is changed, and increases vacuum evacuation device, improve the service life of pump, shorten pump housing self-priming time, the processing is simple, easy to maintenance.

Description

Electromagnetic valve and pump with same

Technical Field

The utility model relates to a self priming pump technical field, concretely relates to pump with solenoid valve.

Background

The self-priming pump produced in the market at present utilizes the self-priming exhaust function of the impeller to complete the self-priming process, and a pump cavity must be filled with working media before starting up, so that the self-priming pump has long self-priming time and high installation precision requirement, generally needs a long time for a water pump to normally supply water, and cannot meet the requirement that a user can output water when starting up. As shown in fig. 1, including water inlet 1, impeller 2, delivery port 3, pump shaft 4, the sealed impeller of power 5, motor 6, the pump body 7, motor 6 is connected to the one end of pump shaft 4, and impeller 2 is connected to the other end, and the cover is equipped with the sealed impeller of power 5 on pump shaft 4, and its operation process is: the motor 6 is started, the impeller 2 and the power seal impeller 5 rotate, the gas-water mixture or the liquid enters the impeller 2 from the water inlet 1 and fills the gas-water separation chamber 8, the gas is driven out of the pump body 7, and after the gas-water separation chamber 8 is filled with water, the liquid flows out of the water outlet 3. However, such pumps pump water by the impeller 2 itself, and it takes 3-5min for normal water discharge from the motor 6 to the liquid outlet 3, and some poor sealing property may reach more than 30 min.

Therefore, it is necessary to develop a new pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a solenoid valve and pump that has the solenoid valve, through the structure of improving the solenoid valve, above-mentioned problem is solved to additional solenoid valve etc. on the pump body.

In order to solve the technical problem, the utility model provides a solenoid valve, including coil skeleton, coil, valve body, valve gap and movable valve plate, its characterized in that:

the coil framework comprises a top plate, a middle cylinder part and a bottom plate, wherein the top plate is provided with a first surface, a second surface corresponding to the first surface and a first through hole penetrating from the first surface to the second surface, the middle cylinder part is of a hollow cuboid structure with two penetrating ends, the middle cylinder part is provided with an inner side annular surface and an outer side annular surface corresponding to the inner side annular surface, the bottom plate is provided with a third surface, a fourth surface corresponding to the third surface and a second through hole penetrating from the third surface to the fourth surface, the top end of the middle cylinder part is connected with the top plate, the bottom end of the middle cylinder part is connected with the bottom plate, and the top plate, the middle cylinder part and the bottom plate form an I-shaped structure,

the valve body comprises an inner ring wall, an outer ring wall and a bottom ring wall, the valve cover is covered on the valve body, the top of the inner ring wall is connected with the valve cover, the bottom of the inner ring wall is connected with one end of the bottom ring wall, the other end of the bottom ring wall is connected with the bottom of the outer ring wall, the top of the outer ring wall is connected with the valve cover, the inner ring wall, the outer ring wall and the bottom ring wall enclose a closed ring cavity, the coil framework and the coil are arranged in the ring cavity, the coil is wound on the outer ring surface, the inner ring surface is attached to the inner ring wall, the second surface is contacted with the top of the coil, the third surface is contacted with the bottom of the coil, and the movable valve plate is arranged below the bottom ring wall or above the valve cover,

when the coil is powered on, the bottom ring wall sucks the movable valve plate or the valve cover sucks the movable valve plate, and when the coil is powered off, the movable valve plate is separated from the bottom ring wall or the movable valve plate is separated from the valve cover.

As a preferred scheme of a solenoid valve, the pump that has the solenoid valve includes above-mentioned solenoid valve, motor, the pump body, pump shaft and rotating ring cover, solenoid valve, pump shaft and rotating ring cover set up in the pump body, the motor with pump body fixed connection, the one end of pump shaft is connected the motor, rotating ring cover is established on the pump shaft, the solenoid valve with the pump body is fixed, rotating ring cover with be equipped with the clearance between the solenoid valve, when the coil circular telegram, the end ring wall is inhaled movable valve plate, movable valve plate seals the clearance.

As an optimal scheme of solenoid valve the movable valve plate below of solenoid valve is equipped with the movable valve plate bracket, the movable valve plate bracket with pump body fixed connection, the valve gap with pump body fixed connection.

As an optimal selection scheme of a solenoid valve, the pump that has the solenoid valve has water inlet, delivery port and impeller, the impeller sets up in the pump body, the water inlet with the end intercommunication of intaking of impeller, the delivery port with the play water end intercommunication of impeller, the impeller with the one end of pump shaft is connected the motor with be equipped with the power seal impeller between the impeller, the power seal impeller cover is established on the pump shaft.

As a preferred aspect of the present invention, the power seal impeller has at least one set.

As an optimized proposal of the electromagnetic valve, the water outlet is provided with a vacuum pumping device.

As the utility model relates to a preferred scheme of solenoid valve, evacuating device is the vacuum pump.

As an optimal selection scheme of a solenoid valve, be equipped with spherical chamber, impeller chamber, transition chamber and export chamber in the pump body, spherical chamber, impeller chamber, transition chamber and export chamber are connected and are a body structure, the bottom of impeller chamber is connected the water inlet, the impeller chamber is used for holding the impeller, the impeller chamber intercommunication spherical chamber, transition chamber and export chamber, the export chamber intercommunication the delivery port.

As an optimized scheme of the electromagnetic valve, the center line of the outlet orifice and the center line of the spherical cavity are on the same straight line.

As an optimized scheme of a solenoid valve, the bore of transition chamber is less than the bore of spherical chamber, the bore of spherical chamber is less than the bore of export chamber.

Compared with the prior art, the utility model provides a pair of solenoid valve and have pump of this solenoid valve, its advantage is as follows:

1. the self-priming pump can complete the self-priming process in a very short time by adopting the vacuum pump for vacuum pumping, and meets the requirement of a user on the water outlet of the self-priming pump when the self-priming pump is started;

2. the end face is sealed by the electromagnetic valve, so that air leakage during vacuum pumping is prevented;

3. the chambers in the pump body are in streamline shapes with compact structures, so that the space is saved, and the vacuum-pumping volume is shortened;

4. although the cost of the pump is 20% higher than the original cost, the service life of the pump is prolonged by 3-5 times, and the self-priming time is shortened to 10-20 s.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein,

FIG. 1 is a schematic diagram of a self-priming pump of the prior art;

fig. 2 is a schematic cross-sectional view of an angle of a solenoid valve according to the present invention;

fig. 3 is a schematic cross-sectional view of an angle of the pump with the solenoid valve according to the present invention.

Wherein: 1 is a water inlet, 2 is an impeller, 3 is a water outlet, 4 is a pump shaft, 5 is a power sealing impeller, 6 is a motor, 7 is a pump body, 71 is a spherical cavity, 72 is a transition cavity, 73 is an outlet cavity, 74 is a movable valve plate bracket, 8 is a gas-water separation chamber, 9 is a leak point, 10 is an electromagnetic valve, 101 is a coil framework, 1011 is a top plate, 10111 is a first surface, 10112 is a second surface, 1012 is a middle cylinder part, 10121 is an inner annular surface, 10122 is an outer annular surface, 1013 is a bottom plate, 10131 is a third surface, 10132 is a fourth surface, 102 is a coil, 103 is a valve body, 1031 is an inner annular wall, 1032 is a bottom annular wall, 3 is an outer annular wall, 104 valve cover, 105 is a movable valve plate, 11 is a vacuum pump, 10312 is a movable annular sleeve.

Detailed Description

A solenoid valve, it includes: a bobbin 101, a coil 102, a valve body 103, a bonnet 104 and a movable valve plate 105.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the following embodiments.

First, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Secondly, the utility model discloses utilize the structure schematic diagram etc. to describe in detail, when detailing the embodiment of the utility model, for the convenience of explanation, the schematic diagram that shows the solenoid valve structure can not do local amplification according to general proportion, moreover the schematic diagram is the example, and it should not limit the scope of the protection of the utility model here. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.

Example 1

In the present embodiment, the electromagnetic valve 10 includes a bobbin 101, a coil 102, a valve body 103, a bonnet 104, and a movable valve plate 105. The following focuses on the above-mentioned components.

Referring to fig. 2 and 3, as shown in fig. 2 and 3, for the sake of easy understanding, the coil bobbin 101 is divided into a top plate 1011, a middle cylinder 1012 and a bottom plate 1013, and the connection structure of the three parts is similar to an i shape. The top plate 1011 is divided into a first surface 10111 and a second surface 10112, a first through hole (not shown) is further formed in the center of the top plate 1011, the first surface 10111 corresponds to the second surface 10112, the middle cylinder 1012 is a hollow cylinder structure with two ends penetrating, for convenience of understanding, the middle cylinder 1012 is divided into an inner side annular surface 10121 and an outer side annular surface 10122, the outer side annular surface 10122 corresponds to the inner side annular surface 10121, the inner cavity of the middle cylinder 1012 is also of a cylinder structure, the bottom plate 1013 is divided into a third surface 10131 and a fourth surface 10132, the fourth surface 10132 corresponds to the third surface 10131, a second through hole (not shown) is formed in the center of the bottom plate 1013, and the first through hole and the second through hole are communicated with the hollow structure inner cavity of the middle cylinder 1012. The middle cylinder 1012 has a top plate 1011 connected to one end thereof and a bottom plate 1013 connected to the other end thereof, the coil 102 is wound around the outer circumferential surface 10122, the second surface 10112 contacts the top of the coil 102, and the third surface 10131 contacts the bottom of the coil 102. As shown in fig. 2 and 3, the above structure constitutes a structure in which the coil 102 is wound around the center thereof so as to pass through the shaft.

The valve body 103 and the valve cover 104 are closed annular cavities, and a shaft can penetrate through the annular cavities. For the sake of easy understanding, it is divided into an inner annular wall 1031 near the pump shaft 4, an outer annular wall 1033 disposed opposite to the inner annular wall 1031, a bottom annular wall 1032 connecting the inner annular wall 1031 and the outer annular wall 1033 and disposed below the coil frame 101, a bonnet 104 connecting the inner annular wall 1031 and the outer annular wall 1033 and disposed above the coil frame 101, an inner annular surface 10121 abutting the inner annular wall 1031, and a movable valve plate 105 disposed below the bottom annular wall 1032. The coil framework 101, the coil 102 and other components are limited and stabilized in the annular cavity, damage caused by loosening and the like of the components in the vibration process is avoided, and the service life of the electromagnetic valve is prolonged.

With reference to fig. 2 and fig. 3, when the power is turned on and the electromagnetic valve 10 is conducting, the electromagnetic valve 10 generates magnetic force, the movable valve plate 105 receives suction force from the bottom ring wall 1032, the movable valve plate 105 is attached to the bottom ring wall 1032, and the gap (leak point 9) between the movable ring sleeve 12 and the electromagnetic valve 10 is sealed, so that the gas entering from below the bottom ring wall 1032 is sealed by the movable valve plate 105 and does not leak out of the pump body 7 upwards, thereby preventing gas leakage during vacuum pumping; when the electromagnetic valve 10 is powered off, the electromagnetic valve 10 does not generate magnetic force any more, the movable valve plate 105 is separated from the bottom ring wall 1032, and the gap (leak point 9) between the movable ring sleeve 12 and the electromagnetic valve 10 is unsealed.

Besides the above arrangement, the movable valve plate 105 can be arranged above the valve cover 104, when the power supply is turned on and the electromagnetic valve 10 is conductive, the electromagnetic valve 10 generates magnetic force, the movable valve plate 105 receives suction force from the valve cover 104, the movable valve plate 105 is attached to the valve cover 104, and a gap (leak point 9) between the movable ring sleeve 12 and the electromagnetic valve 10 is sealed, so that gas entering from the lower part of the valve cover 104 is sealed by the movable valve plate 105 and does not leak out of the pump body 7 upwards any more, and gas leakage during vacuum pumping is prevented; when the electromagnetic valve 10 is powered off, the electromagnetic valve 10 does not generate magnetic force any more, the movable valve plate 105 is separated from the valve cover 104, and the gap (leak point 9) between the movable ring sleeve 12 and the electromagnetic valve 10 is unsealed.

The components of the solenoid valve include, but are not limited to, the above-mentioned species.

With continuing reference to fig. 2 and 3, fig. 3 is a pump structure using the electromagnetic valve 10, which includes the electromagnetic valve 10, the motor 6, the pump body 7, the pump shaft 4 and the movable ring sleeve 12, wherein the electromagnetic valve 10, the pump shaft 4 and the movable ring sleeve 12 are disposed in the pump body 7, the motor 6 is disposed outside the pump body 7, the pump body 7 is fixedly connected, the pump body 7 has a water inlet 1, a water outlet 3 and an impeller 2, the water inlet 1 is communicated with a water inlet end of the impeller 2, the water outlet 3 is communicated with a water outlet end of the impeller 2, and when liquid enters the pump body 7, the liquid firstly enters the impeller 2 through the water inlet 1 and then is sent to the water outlet 3 by the. One end of the pump shaft 4 is connected with the motor 6, the other end of the pump shaft passes through the movable ring sleeve 12 and the dynamic sealing impeller 5 and is connected with the impeller 2, the electromagnetic valve 10 is fixed with the pump body 7, and a gap (leak point 9) is arranged between the movable ring sleeve 12 and the electromagnetic valve 10. A movable valve plate bracket 74 is arranged below the movable valve plate 105 and used for supporting the movable valve plate 105, the movable valve plate bracket 74 is fixedly connected with the pump body 7, a valve cover 104 is fixedly connected with the pump body 7 and used for fixing the electromagnetic valve 10 with the pump body 7, and the position is always kept unchanged when the electromagnetic valve 10 is electrified or not electrified.

The number of the power sealing impellers 5 can be multiple, the efficiency can be improved, and the shaft power can be reduced, in the embodiment of fig. 2 and 3, two power sealing impellers 5 are arranged up and down, the power sealing impellers 5 are arranged in a cavity in the pump body 7, the cavity and the cavity where the impellers 2 are located are not the same cavity, the cavity where the impellers 2 are located is an impeller chamber (not shown), the cavity above the impeller chamber is the cavity where the power sealing impellers 5 are located, the impeller chamber is only used for accommodating the impellers 2, so the space size of the cavity is matched with that of the impellers 2, the bottom of the impeller chamber is connected with the water inlet 3, and the central line of the outlet cavity 73 and the central line of the spherical cavity 71 are on the same straight line. In consideration of the efficiency of the vacuum pumping, 8 segment cavities are provided in the pump body 7, and the 8 segment cavities include a spherical cavity 71 and a filter cavity 72, the aperture of the junction between the spherical cavity 71 and the transition cavity 72 is smaller than that of the spherical cavity 71, and the aperture of the junction between the outlet cavity 73 and the transition cavity 72 is smaller than that of the outlet cavity 73, that is, the transition cavity 72 < the spherical cavity 71 < the outlet cavity 73. The position of the vacuum extractor (not shown) can be various, and the best position for arranging the vacuum extractor is the outlet cavity 73, and in this embodiment, the vacuum extractor is the vacuum pump 11.

The working principle of the pump is as follows: the electromagnetic valve 10 and the vacuum pump 11 are powered on, the movable valve plate 105 upwards seals the leak point 9, the vacuum pump 11 performs vacuum pumping, after the vacuum pumping is completed, the electromagnetic valve 10 is powered off, the movable valve plate 105 falls down, the leak point 9 is opened, meanwhile, the vacuum pump 11 is stopped, the motor 6 starts liquid to enter the impeller 2 from the water inlet 1, the liquid flows into the pump body 7, the liquid is thrown to the transition cavity 72 and the spherical cavity 71 by the impeller 2, and the liquid is pressed to the outlet cavity 73 and flows out from the water outlet 3.

It should be understood by those skilled in the art that one of the features or objects of the present invention is to: solenoid valve and pump that has the solenoid valve, change seal structure, increase evacuating device, improved the life-span of pump, shortened the pump body from inhaling time, processing is simple, easy maintenance.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an electromagnetic valve, includes coil skeleton, coil, valve body, valve gap and movable valve plate, its characterized in that:

2. A pump having a solenoid valve, characterized by: the pump with the electromagnetic valve comprises the electromagnetic valve, a motor, a pump body, a pump shaft and a movable ring sleeve according to claim 1, wherein the electromagnetic valve, the pump shaft and the movable ring sleeve are arranged in the pump body, the motor is fixedly connected with the pump body, one end of the pump shaft is connected with the motor, the movable ring sleeve is sleeved on the pump shaft, the electromagnetic valve is fixed with the pump body, a gap is arranged between the movable ring sleeve and the electromagnetic valve, and when a coil is electrified, the movable valve plate is sucked by the bottom ring wall and closed by the movable valve plate.

3. A pump having a solenoid valve as set forth in claim 2, wherein: the movable valve plate bracket is arranged below the movable valve plate of the electromagnetic valve, the movable valve plate bracket is fixedly connected with the pump body, and the valve cover is fixedly connected with the pump body.

4. A pump having a solenoid valve as set forth in claim 2, wherein: the pump with the electromagnetic valve is provided with a water inlet, a water outlet and an impeller, wherein the impeller is arranged in the pump body, the water inlet is communicated with the water inlet end of the impeller, the water outlet is communicated with the water outlet end of the impeller, the impeller is connected with one end of the pump shaft, a power sealing impeller is arranged between the motor and the impeller, and the power sealing impeller is sleeved on the pump shaft.

5. A pump having a solenoid valve as set forth in claim 4, wherein: the dynamic seal impeller is provided with at least one group.

6. A pump having a solenoid valve as set forth in claim 4, wherein: a vacuum pumping device is arranged at the position close to the water outlet.

7. A pump having a solenoid valve as set forth in claim 6, wherein: the vacuum pumping device is a vacuum pump.

8. A pump having a solenoid valve as set forth in claim 6, wherein: be equipped with spherical cavity, impeller chamber, transition chamber and export chamber in the pump body, spherical cavity, impeller chamber, transition chamber and export chamber are connected and are a body structure, the bottom of impeller chamber is connected the water inlet, the impeller chamber is used for holding the impeller, the impeller chamber intercommunication spherical cavity, transition chamber and export chamber, the export chamber intercommunication the delivery port.

9. A pump having a solenoid valve as set forth in claim 8, wherein: the central line of the outlet cavity opening and the central line of the spherical cavity are on the same straight line.

10. A pump having a solenoid valve as set forth in claim 8, wherein: the caliber of the transition cavity is smaller than that of the spherical cavity, and the caliber of the spherical cavity is smaller than that of the outlet cavity.