CN214197496U

CN214197496U - Three-way electromagnetic valve easy to assemble

Info

Publication number: CN214197496U
Application number: CN202120090050.9U
Authority: CN
Inventors: 雍乾荣
Original assignee: Xiamen Pumtek Electronics Technology Co ltd
Current assignee: Xiamen Pumtek Electronics Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-09-14
Anticipated expiration: 2031-01-13

Abstract

The utility model relates to a valve field discloses a tee bend solenoid valve of easy assembly, and it includes end cover, electromagnetic component, outer frame body, stagnant water spare, seal assembly and is used for fixing into a holistic fixed back lid with end cover, electromagnetic component, outer frame body. The end cover is internally provided with a cavity, and a water inlet, a normally open water outlet and a normally closed water outlet which are communicated with the cavity. A separation sleeve is arranged in the cavity. The seal assembly includes a diaphragm sleeve and a coupling sleeve stem. The rod-shaped part of the movable valve core in the electromagnetic assembly sequentially passes through the diaphragm sleeve and the through hole of the separation sleeve. The diaphragm is sleeved on the sliding connection part and sealed at the upper port of the valve core channel. The connecting sleeve rod penetrates through the separating sleeve to be sleeved on the rod-shaped part and is pressed on the diaphragm sleeve. The water stop piece is sleeved at the upper end of the connecting loop bar and is positioned right below the normally closed water outlet. The utility model discloses not only easily the assembly, the installation is firm, and is sealed moreover, and the gas tightness is strong, can prevent that the metal material in the electromagnetic component from taking place damage such as corrosion of rustting with the medium contact of circulation.

Description

Three-way electromagnetic valve easy to assemble

Technical Field

The utility model belongs to the technical field of the valve and specifically relates to an easy three solenoid valve of assembling.

Background

The electromagnetic water valve is a valve which is commonly used for controlling the on-off of a water pipe in life or industry, the internal sealing performance of the existing electromagnetic water valve is poor, water can enter the valve body when the electromagnetic water valve is used, parts such as a spring, an iron core and the like in the electromagnetic water valve are easy to corrode and rust, the water is discharged smoothly, the switching function is lost, and the service life of the electromagnetic water valve is shortened. Moreover, the water can only be used for passing clean water, and can not pass chemical solutions and the like. The end cover part needs to be fixed on the base through screws, the assembly process is complex, after the electromagnetic valve is installed on an instrument by a customer, the screws are easy to loosen after long-time use or long-distance transportation of the customer instrument, the water valve is easy to leak, and the electromagnetic assembly can not work normally due to the fact that the environment is wet or water is splashed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-way solenoid valve of easy assembly, this solenoid valve not only easily assemble, and the installation is firm, and is sealed moreover, and the gas tightness is strong, can prevent that the metal material in the electromagnetic component from taking place damage such as corrosion of rustting with the medium contact of circulation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses an easily assembled three-way electromagnetic valve, which comprises an end cover, an electromagnetic component, an outer frame body, a water stop piece, a sealing component and a fixed rear cover used for fixing the end cover, the electromagnetic component and the outer frame body into a whole; the end cover is internally provided with a cavity, and a water inlet, a normally open water outlet and a normally closed water outlet which are communicated with the cavity. The cavity is internally provided with a separation sleeve, the separation sleeve is provided with a through hole which is communicated up and down, and the side surface of the separation sleeve is provided with an outlet which is communicated with the normally open water outlet. The seal assembly includes a diaphragm sleeve and a coupling sleeve stem. The electromagnetic assembly comprises a coil, a coil rack, a movable valve core, a fixed valve core and an elastic part arranged between the movable valve core and the fixed valve core; the fixed valve core is fixedly arranged at the bottom of the outer frame body, the coil is wound on the coil frame, the coil frame is arranged in the outer frame body, and a valve core channel for placing the movable valve core, the fixed valve core and the elastic piece is arranged in the coil frame. The movable valve core comprises a sliding connection part which is connected with the valve core channel in a sliding way and a rod-shaped part which is connected with the sliding connection part, and the rod-shaped part sequentially penetrates through the diaphragm sleeve and the through hole of the separation sleeve. The diaphragm is sleeved on the sliding part and sealed at the upper port of the valve core channel, so that fluid in the end cover is prevented from flowing into the valve core channel and corroding the iron core. The connecting loop bar penetrates through the separating sleeve to be sleeved on the rod-shaped part and is tightly pressed on the diaphragm sleeve, and a gap for communicating the water inlet with the normally-open water outlet is arranged between the connecting loop bar and the separating sleeve. The water stopping piece is sleeved at the upper end of the connecting sleeve rod and is positioned right below the normally closed water outlet, the on-off of the normally closed water outlet and the water inlet is controlled through whether the top of the water stopping piece and the normally closed water outlet are sealed, and the on-off of the normally open water outlet and the water inlet is controlled through whether the bottom of the water stopping piece and the upper end of the separating sleeve are sealed.

When the coil is electrified, the movable valve core and the fixed valve core are attracted, the movable valve core moves downwards, the bottom of the water stop piece is attached to the upper end of the separation sleeve, the gap is sealed, and the water inlet is not communicated with the normally-open water outlet; the top of the water stop piece is separated from the normally closed water outlet, and the water inlet is communicated with the normally closed water outlet. Namely, the normally closed water outlet is opened and the normally open water outlet is closed, so that the water inlet is only communicated with the normally closed water outlet.

When the coil is powered off, the movable valve core and the fixed valve core lose acting force, the movable valve core moves upwards under the action of elastic force of the elastic part, the bottom of the water stop part is separated from the upper end of the separation sleeve, and the water inlet is communicated with the normally open water outlet through a gap; the top of the water stop piece is attached to the normally closed water outlet, and the water inlet is not communicated with the normally closed water outlet. Namely, the normally open water outlet is opened and the normally closed water outlet is closed, so that the water inlet is only communicated with the normally open water outlet.

Furthermore, a clamping port and a riveting lug are arranged on the fixed rear cover, a clamping groove matched with the clamping port is arranged on the end cover, and a riveting notch matched with the riveting lug is arranged at the upper end of the outer frame body; the fixed rear cover is respectively connected with the end cover and the outer frame body, so that the end cover, the electromagnetic assembly and the outer frame body are fixed into a whole.

Furthermore, a first groove is formed in the outer wall of the rod-shaped portion of the movable valve core, and a first convex ring matched with the first groove is arranged on the inner wall of the connecting sleeve rod.

Furthermore, the outer wall of the upper end of the connecting sleeve rod is provided with a second convex ring, and the inner wall of the water stopping piece is provided with a second groove matched with the second convex ring.

Furthermore, a boss extends from the upper end of the coil rack corresponding to the valve core channel, a third groove is arranged on the outer wall of the boss, and a third convex ring matched with the third groove is arranged on the inner wall of the diaphragm sleeve.

Furthermore, a sealing groove is formed in the outer wall of the separation sleeve, and a sealing ring is arranged on the sealing groove.

Furthermore, a fixing hole is formed in the fixed rear cover.

Further, the elastic member is a spring. The lower end of the movable valve core is provided with a step for sleeving a spring.

Furthermore, the connecting loop bar is made of plastic.

Furthermore, the edge of the normally closed water outlet is provided with a circular ring bulge for reducing the contact area between the normally closed water outlet and the upper end of the water stop piece so as to increase the sealing performance.

The utility model discloses an useful part is:

1. the utility model discloses a diaphragm cover and connecting rod, keep apart the fluid in electromagnetic component and the end cover sealed, prevent effectively that parts such as the spring of electromagnetic component, iron core from corroding and getting rusty, increase solenoid valve life-span.

2. The utility model discloses set up on the end cover and cut apart the sleeve pipe, but non-integrated into one piece, the installation assembly of each component of being convenient for is convenient for to the placement of stagnant water spare of being convenient for.

3. The utility model discloses a fixed back lid replaces the screwed connection on the market, covers the joint on the draw-in groove of end cover after earlier fixing, then will rivet the lug riveting on the riveting breach of outer frame body upper end, compresses tightly the electromagnetic component between end cover and outer frame body, not only convenient and fast but also avoided long-time use or the reason of vibrations to lead to connecting not hard up problem.

4. The utility model discloses a border of delivery port is provided with the ring arch, thereby can effectively reduce normally closed delivery port and stagnant water spare upper end area of contact increase leakproofness.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a state diagram of the coil when power is lost.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a state diagram of the coil when the coil is powered.

Fig. 5 is a partially enlarged view at B in fig. 4.

Description of the main component symbols:

1. an end cover 11, a cavity 12, a water inlet 13, a normally open water outlet 14, a clamping groove 15 and a normally closed water outlet,

151. the circular ring is convex;

2. the device comprises a separation sleeve 21, a through hole 22, an outlet 23, a sealing groove 24 and a sealing ring;

3. solenoid assembly, 31, bobbin, 311, spool channel, 312, boss, 313, third recess, 32,

A movable valve core 321, a sliding connection part 322, a rod-shaped part 323, a first groove 324, a step 33, a fixed valve core,

34. an elastic member;

4. an outer frame body 41, a riveting notch;

5. fixing the rear cover 51, the clamping interface 52, the riveting lug 53 and the fixing hole;

6. a water stop piece 61 and a second groove;

7. a sealing component 71, a diaphragm sleeve 711, a third convex ring 72, a connecting sleeve rod 721 and a first convex ring,

722. a second convex ring;

8. a gap.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, the utility model discloses an easy-to-assemble three-way solenoid valve, it includes end cover 1, electromagnetic component 3, outer frame 4, fixed back lid 5, stagnant water piece 6 and seal assembly 7.

The end cover 1 is internally provided with a cavity 11, and a water inlet 12, a normally open water outlet 13 and a normally closed water outlet 15 which are communicated with the cavity 11. The cavity 11 is internally provided with a separation sleeve 2, the separation sleeve 2 is provided with a through hole 21 which is communicated up and down, and the side surface is provided with an outlet 22 communicated with the normally open water outlet 13.

The seal assembly 7 includes a diaphragm sleeve 71 and a coupling sleeve stem 72.

The solenoid assembly 3 includes a coil, a bobbin 31, a movable spool 32, a stationary spool 33, and an elastic member 34 disposed between the movable spool 32 and the stationary spool 33. In this embodiment, the elastic member 34 is a spring. The fixed valve core 33 is fixedly disposed on the bottom of the outer frame 4, the coil is wound on the coil frame 31, and the coil frame 31 is disposed in the outer frame 4. A spool passage 311 for accommodating the movable spool 32, the fixed spool 33, and the elastic member 34 is provided in the bobbin 31.

The movable spool 32 includes a sliding contact portion 321 that slides in the spool passage 311 and a rod portion 322 that is connected to the sliding contact portion 321. The rod portion 322 passes through the diaphragm sleeve 71 and the through hole 21 of the separation sleeve 2 in sequence, the diaphragm sleeve 71 is sleeved on the sliding connection portion 321 and sealed at the upper port of the valve core channel 311, and fluid in the end cover 1 is prevented from flowing into the valve core channel 311 and corroding the iron core.

In order to better seal the diaphragm sleeve 71 and the upper port of the valve core channel 311, a boss 312 extends from the upper end of the coil frame 31 corresponding to the valve core channel 311, a third groove 313 is formed on the outer wall of the boss 312, and a third convex ring 711 matched with the third groove 313 is arranged on the inner wall of the diaphragm sleeve 71.

The connecting loop bar 72 is made of plastic and is not easy to corrode. The connecting sleeve rod 72 is sleeved on the rod-shaped part 322 through the separating sleeve 2 and pressed on the diaphragm sleeve 71. A gap 8 for communicating the water inlet 12 and the water outlet 13 is arranged between the connecting sleeve rod 72 and the separating sleeve 2.

The water stop member 6 is sleeved at the upper end of the connecting sleeve rod 72 and is positioned right below the normally closed water outlet 15, the on-off of the normally closed water outlet 15 and the water inlet 12 is controlled by whether the top of the water stop member 6 and the normally closed water outlet 15 are sealed, and the on-off of the normally open water outlet 13 and the water inlet 12 is controlled by whether the bottom of the water stop member 6 and the upper end of the separation sleeve 2 are sealed.

When the coil is electrified, the movable valve core 32 and the fixed valve core 33 are attracted, the movable valve core 32 moves downwards, the movable valve core 32 drives the bottom of the water stop piece 6 to be attached to the upper end of the separation sleeve 2, the gap is sealed, and the water inlet 12 is not communicated with the normally-open water outlet 13. The top of the water stop piece 6 is separated from the normally closed water outlet 15, and the water inlet 12 is communicated with the normally closed water outlet 15. Namely, the water inlet 12 and the normally open water outlet 13 are in a closed state, and the water inlet 12 and the normally closed water outlet 15 are in an open state. The water flows out from the normally closed water outlet 15.

When the coil loses power, because the movable valve core 32 and the fixed valve core 33 lose acting force, the movable valve core 32 moves upwards under the action of the elastic force of the elastic part 34, the movable valve core 32 drives the bottom of the water stop part 6 to be separated from the upper end of the separation sleeve 2, and the water inlet 12 is communicated with the normally-open water outlet 13 through the gap 8. The top of the water stop piece 6 is jointed with the normally closed water outlet 15, and the water inlet 12 is not communicated with the normally closed water outlet 15. Namely, the water inlet 12 and the normally open water outlet 13 are in an open state, and the water inlet 12 and the normally closed water outlet 15 are in a closed state. The water flow flows out from the normally open water outlet 13.

In order to prevent the water stop member 6, the connecting sleeve rod 72 and the rod-shaped part 322 of the movable valve core 32 from moving relatively, a first groove 323 is arranged on the outer wall of the rod-shaped part 322 of the movable valve core 32, and a first convex ring 721 matched with the first groove 323 is arranged on the inner wall of the connecting sleeve rod 72; the outer wall of the upper end of the connecting loop bar 72 is provided with a second convex ring 722, and the inner wall of the water stop piece 6 is provided with a second groove 61 matched with the second convex ring 722. So that the water stop 6, the connecting sleeve rod 72 and the movable valve core 32 are assembled into a whole.

The end cover 1, the electromagnetic assembly 3 and the outer frame 4 are fixed into a whole through the fixed rear cover 5. The fixed rear cover 5 is provided with a clamping interface 51 and a riveting lug 52, the end cover 1 is provided with a clamping groove 14 matched with the clamping interface 51, and the upper end of the outer frame body 4 is provided with a riveting notch 41 matched with the riveting lug 52. When the fixing device is used for fixing, the fixed rear cover 5 is clamped on the clamping groove 14 of the end cover 1, then the riveting lug 52 is riveted on the riveting notch 41 at the upper end of the outer frame body 4, the electromagnetic assembly 3 is pressed between the end cover 1 and the outer frame body 4, and the problem that the connection is not flexible due to the reason of long-time use or vibration is solved.

In order to facilitate the fixing of the solenoid valve to the device, the fixing hole 53 is formed in the fixing rear cover 5.

For better sealing, a sealing groove 23 is arranged on the outer wall of the separation sleeve 2, and a sealing ring 24 is arranged on the sealing groove 23.

In order to better match the spring with the movable valve core 32, the lower end of the movable valve core 32 is provided with a step 324 for sleeving the spring.

In order to effectively reduce the contact area between the normally closed water outlet 15 and the upper end of the water stop 6 and increase the sealing performance, the edge of the normally closed water outlet 15 is provided with a circular ring bulge 151.

To sum up, the utility model discloses a fixed back lid replaces the screw to fix, easily assembles, and the installation is firm. Through the fluid medium isolation seal of seal assembly in with electromagnetic component and end cover, not only can strengthen the gas tightness, but also can prevent that the metal material in the electromagnetic component from taking place damage such as rust corrosion with the medium contact of circulation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. The utility model provides an easy three solenoid valve of assembly which characterized in that: the electromagnetic sealing device comprises an end cover, an electromagnetic assembly, an outer frame body, a water stop piece, a sealing assembly and a fixed rear cover for fixing the end cover, the electromagnetic assembly and the outer frame body into a whole; the end cover is internally provided with a cavity, and a water inlet, a normally open water outlet and a normally closed water outlet which are communicated with the cavity; a separation sleeve is arranged in the cavity, the separation sleeve is provided with a through hole which is communicated up and down, and the side surface of the separation sleeve is provided with an outlet communicated with the normally open water outlet;

the sealing assembly comprises a diaphragm sleeve and a connecting sleeve rod;

the electromagnetic assembly comprises a coil, a coil rack, a movable valve core, a fixed valve core and an elastic part arranged between the movable valve core and the fixed valve core; the fixed valve core is fixedly arranged at the bottom of the outer frame body, the coil is wound on the coil frame, the coil frame is arranged in the outer frame body, and a valve core channel for placing the movable valve core, the fixed valve core and the elastic element is arranged in the coil frame; the movable valve core comprises a sliding part which is connected with the valve core channel in a sliding way and a rod-shaped part which is connected with the sliding part, and the rod-shaped part sequentially penetrates through the diaphragm sleeve and the through hole of the separation sleeve; the diaphragm is sleeved on the sliding connection part and sealed at the upper port of the valve core channel; the connecting sleeve rod penetrates through the separating sleeve to be sleeved on the rod-shaped part and is tightly pressed on the diaphragm sleeve, and a gap for communicating the water inlet with the normally-open water outlet is formed between the connecting sleeve rod and the separating sleeve;

the water stopping piece is sleeved at the upper end of the connecting sleeve rod and is positioned right below the normally closed water outlet, the on-off of the normally closed water outlet and the water inlet is controlled through whether the top of the water stopping piece and the normally closed water outlet are sealed, and the on-off of the normally open water outlet and the water inlet is controlled through whether the bottom of the water stopping piece and the upper end of the separating sleeve are sealed.

2. The easy-to-assemble three-way solenoid valve according to claim 1, wherein: the fixed rear cover is provided with a clamping port and a riveting lug, the end cover is provided with a clamping groove matched with the clamping port, and the upper end of the outer frame body is provided with a riveting notch matched with the riveting lug; the fixed rear cover is respectively connected with the end cover and the outer frame body, so that the end cover, the electromagnetic assembly and the outer frame body are fixed into a whole.

3. The easy-to-assemble three-way solenoid valve according to claim 1, wherein: the outer wall of the rod-shaped part of the movable valve core is provided with a first groove, and the inner wall of the connecting sleeve rod is provided with a first convex ring matched with the first groove.

4. The easy-to-assemble three-way solenoid valve according to claim 1, wherein: the outer wall of the upper end of the connecting sleeve rod is provided with a second convex ring, and the inner wall of the water stopping piece is provided with a second groove matched with the second convex ring.

5. The easy-to-assemble three-way solenoid valve according to claim 1, wherein: and a boss extends from the upper end of the coil frame corresponding to the valve core channel, a third groove is formed in the outer wall of the boss, and a third convex ring matched with the third groove is arranged on the inner wall of the diaphragm sleeve.

6. The easy-to-assemble three-way solenoid valve according to claim 1, wherein: the outer wall of the separation sleeve is provided with a sealing groove, and a sealing ring is arranged on the sealing groove.

7. The easy-to-assemble three-way solenoid valve according to claim 2, wherein: and the fixed rear cover is provided with a fixing hole for fixing the electromagnetic valve.

8. The easy-to-assemble three-way solenoid valve according to claim 1, wherein: the elastic part is a spring: the lower end of the movable valve core is provided with a step for sleeving a spring.

9. The easy-to-assemble three-way solenoid valve according to claim 1, wherein: the connecting loop bar is made of plastic.

10. The easy-to-assemble three-way solenoid valve according to claim 1, wherein: the edge of the normally closed water outlet is provided with a circular ring bulge which is used for reducing the contact area between the normally closed water outlet and the upper end of the water stop piece so as to increase the sealing performance.