CN220688048U - Normally open electromagnetic water valve - Google Patents

Abstract

The normally open electromagnetic water valve comprises a valve body, a diaphragm, a tray, a valve cover, a frame-shaped electromagnetic bracket with a side opening, an electromagnetic valve core assembly, a coil rack and a coil, wherein the valve body comprises a water inlet interface pipe, a membrane cavity, an inner counter bore, a membrane valve core seat and a water outlet interface pipe; the tray is arranged in the cavity, the water inlet pipe and the water guide valve core seat respectively penetrate through the pipe hole and the seat hole and are fixed, and the flanging is attached to the bottom plate of the inner counter bore; the electromagnetic valve core assembly is arranged in the pipe body part, and the bottom cover part is inserted into the inner counter bore; the coil rack is arranged in the frame-shaped electromagnetic bracket, the pipe body part passes through the bottom pipe hole on the bottom plate, the coil rack and the top pipe hole on the top plate, and the bottom plate and the membrane cavity are fixed by screws. The valve cover and the frame-shaped electromagnetic support adopt the structure, the frame-shaped electromagnetic support, the valve cover, the coil rack, the frame-shaped electromagnetic support and the valve cover are convenient to assemble and disassemble, and the coil is convenient to replace.

Description

Normally open electromagnetic water valve

Technical Field

The utility model relates to an electromagnetic water valve.

Background

At present, in the prior art, a Chinese patent 201010607806.9, an electromagnetic water inlet valve comprises a valve body and a valve seat therein, a conduit is arranged on the valve body, a piston is arranged in the conduit, a piston head is connected with a piston cap, a spring is arranged at the top of the rear end of the piston, a bulge is arranged at one end of the piston corresponding to the valve seat, a connecting structure is arranged on a diaphragm plate, the connecting structure is provided with a moving space of the bulge of the piston and a buckling edge at the top, an electromagnetic coil is sleeved outside the conduit, a support A and a support B are arranged outside the electromagnetic coil, an iron core is fixed at the inner top of the conduit, a spring is arranged between the iron core and the rear end of the piston, an electrode tube A is connected to the support A, an electrode tube B is connected to the support B, the electrode tube A and the electrode tube B are respectively sleeved outside the conduit and inside an inner shaft of a coil, the piston, the electrode tube A, the support A and the electrode tube B form an electromagnetic circuit A, the piston, the iron core, the support A, the electrode tube B and the electrode tube B form the electromagnetic circuit B. The problems are: the structure is complicated, and the coil is replaced and the assembly is inconvenient.

Disclosure of Invention

The purpose of the utility model is that: the normally open electromagnetic water valve has the characteristics of convenience in assembly and coil replacement.

The utility model is realized in the following way: the normally open electromagnetic water valve is characterized in that: it comprises a valve body, a diaphragm, a tray, a valve cover, a frame-shaped electromagnetic bracket with a side opening, an electromagnetic valve core component, a coil rack and a coil,

the valve body comprises a water inlet interface tube, a membrane cavity, an inner counter bore, a membrane valve core seat and a water outlet interface tube, and the membrane cavity, the membrane valve core seat and the water outlet interface tube are sequentially communicated;

the diaphragm comprises a cavity part with an upper opening, a pipe hole arranged on the cavity part, a seat hole and a flanging;

a water inlet pipe and a water guide valve core seat are arranged on the tray;

the valve cover comprises a bottom cover part and a lower opening pipe body part, and the pipe body part is communicated with the bottom cover part;

the frame-shaped electromagnetic bracket comprises a top plate, a side plate and a bottom plate which are integrally formed,

the tray is arranged in the cavity, the water inlet pipe and the water guide valve core seat respectively penetrate through the pipe hole and the seat hole and are fixed, and the flanging is attached to the bottom plate of the inner counter bore; the electromagnetic valve core assembly is arranged in the pipe body part, and the bottom cover part is inserted into the inner counter bore; the coil rack is arranged in the frame-shaped electromagnetic bracket, the pipe body part passes through the bottom pipe hole on the bottom plate, the coil rack and the top pipe hole on the top plate, and the bottom plate and the membrane cavity are fixed by screws.

The normally open electromagnetic water valve is characterized in that: the inner counter bore is provided with an annular plug bush;

the flanging is provided with a lower annular slot with a lower opening and an upper annular inserting slot with an upper opening;

the bottom cover part is provided with an external interface;

the annular plug bush is inserted into the lower annular plug groove, and the outer interface is inserted into the upper annular plug groove.

The normally open electromagnetic water valve is characterized in that: the electromagnetic valve core component comprises a movable iron core, a valve rod, a spring, a support and a valve core,

the upper end of the valve rod is provided with a spring seat, the lower end is provided with a valve core fixing seat,

the support comprises a sleeve and a base body with a lower opening;

the valve rod passes through the spring and the support, the valve core fixing seat is fixed with the valve core, the movable iron core and the electromagnetic valve core component are sequentially arranged in the pipe body, and the seat is fixed with the lower end of the pipe body; the valve core corresponds to the water guide valve core seat.

The normally open electromagnetic water valve is characterized in that: the tube body part and the bottom cover part are provided with fixed cavity parts,

also comprises a clamping ring, wherein the clamping ring is provided with a clamping groove,

the retainer ring is in interference fit with the fixing cavity part and fixes the support.

The normally open electromagnetic water valve is characterized in that: the lower end of the pipe body is provided with a counter bore;

the seat body of the support is embedded with the counter bore.

The valve cover and the frame-shaped electromagnetic bracket adopt the structure, the frame-shaped electromagnetic bracket, the valve cover, the coil rack, the frame-shaped electromagnetic bracket and the valve cover are convenient to assemble and disassemble, and the coil is convenient to replace.

Drawings

Fig. 1 is a cross-sectional view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model in a closed state.

Fig. 3 is one of the exploded perspective views of the present utility model.

Fig. 4 is a second perspective exploded view of the present utility model.

FIG. 5 is a third exploded perspective view of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, a normally open electromagnetic water valve comprises a valve body 1, a diaphragm 2, a tray 3, a valve cover 4, a frame-shaped electromagnetic bracket 5 with a side opening, an electromagnetic valve core assembly 6, a coil rack 7 and a coil (not identified),

the valve body 1 comprises a water inlet interface pipe 11, a membrane cavity 12, an inner counter bore 13, a membrane valve core seat 14 and a water outlet interface pipe 15, wherein the water inlet interface pipe 11 is communicated with the membrane cavity 12, and the membrane cavity 12, the membrane valve core seat 14 and the water outlet interface pipe 15 are sequentially communicated;

the diaphragm 2 comprises a cavity 21 with an upper opening, a tube hole 22, a seat hole 23 and a flanging 24 which are arranged on the cavity 21;

the tray 3 is provided with a water inlet pipe 31 and a water guide valve core seat 32, and the water inlet pipe 31 is provided with an annular clamping groove; the upper end of the water guide valve core cavity 32 extends into the tray 3 to form a valve core seat, and the lower end of the water guide valve core cavity is positioned outside the tray 3 and is provided with an annular clamping groove;

the valve cover 4 includes a bottom cover portion 41 and a lower open tube body portion 42, the tube body portion 42 and the bottom cover portion 41 communicating;

the frame-shaped electromagnetic bracket 5 comprises a top plate 51, a side plate 52 and a bottom plate 53 which are integrally formed, wherein a top pipe hole is formed in the top plate 51, and a bottom pipe hole is formed in the bottom plate 53;

the tray 3 is arranged in the cavity 21, the water inlet pipe 31 and the water guide valve core seat 32 respectively penetrate through the pipe hole 22 and the seat hole 23, and annular clamping grooves of the water inlet pipe 31 and the water guide valve core seat 32 are respectively embedded with the bottom plate of the cavity 21 at the pipe hole 22 and the seat hole 23; the flanging 24 is attached to the bottom plate of the inner counter bore 13; the electromagnetic valve core assembly 6 is arranged in the pipe body part 42, and the bottom cover part 41 is inserted into the inner counter bore 13; the coil rack 7 is arranged in the frame-shaped electromagnetic bracket 5, the pipe body 42 passes through a bottom pipe hole on the bottom plate 53, the coil rack 7 and a top pipe hole on the top plate 51, and the bottom plate 53 and the membrane cavity 12 are fixed by screws; the bottom cover part 41 is attached to the bottom plate 53, and the pipe body part 42 is detachably matched with the frame-shaped electromagnetic bracket 5 and the coil rack 7;

the valve cover 4 and the electromagnetic valve core assembly 6 are taken as an assembly, and the diaphragm 2 and the tray 3 are taken as an assembly, so that the assembly and the disassembly are convenient; when the coil is replaced, the frame-shaped electromagnetic bracket 5 and the coil frame 7 are detached together, the coil frame 7 is detached from the frame-shaped electromagnetic bracket 5, and then the coil is replaced.

As a further improvement of the utility model: the inner counter bore 13 is provided with an annular plug bush 131;

the flanging 24 is provided with a lower annular slot 241 with a lower opening and an upper annular inserting slot 242 with an upper opening;

the bottom cover part 41 is provided with an outer interface 411;

the annular plug bush 131 is inserted into the lower annular plug groove 241, and the outer interface 411 is inserted into the upper annular plug groove 242. The diaphragm 2 is fixed firmly, does not shake and has stable performance.

The solenoid valve core assembly 6 includes a movable core 61, a valve rod 62, a spring 63, a seat 64 and a valve core 65,

the upper end of the valve rod 62 is provided with a spring seat 621, the lower end is provided with a valve core fixing seat 622,

stand 64 includes a sleeve 641 and a lower opening seat 642;

the valve rod 62 passes through the spring 63 and the support 4, the valve core fixing seat 622 is fixed with the valve core 65, the sleeve 641 of the support 64 is inserted into the spring 63, the seat 642 supports the spring 63, the movable iron core 61 and the electromagnetic valve core assembly 6 are sequentially arranged in the pipe body 42 from top to bottom, and the seat 642 is fixed with the lower end of the pipe body 42; the valve core 65 corresponds to the water guide valve core seat 32;

fig. 1 is a sectional view of the present utility model in a normal state, in which the coil is energized in the state of fig. 1, the plunger 61, the valve stem 2 and the valve body 65 move downward together, and the spring 63 is compressed, the valve body 65 is fitted to the water guide valve body seat 32, and in a closed state, as shown in fig. 2;

in the state of fig. 2, the coil is de-energized, and the movable iron core 61, the valve rod 2 and the valve core 65 move upward together under the action of the spring 63, and the valve core 65 is separated from the water guide valve core seat 32; and switching to a normal on state.

As a further improvement of the utility model: the tube body portion 42 and the bottom cover portion 41 are provided with a fixing cavity portion 43,

also included is a collar (8),

the collar 8 is interference fit with the fixing cavity 43 and fixes the abutment 64. The fixing chamber portion 43 is inserted into a base pipe hole in the base plate 53.

As a further improvement of the utility model: a counter bore 421 is formed at the lower end of the pipe body 42;

the seat 642 of the seat 64 is engaged with the counter bore 421.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (5)

1. A normally open electromagnetic water valve, characterized in that: it comprises a valve body, a diaphragm, a tray, a valve cover, a frame-shaped electromagnetic bracket with a side opening, an electromagnetic valve core component, a coil rack and a coil,

the valve body comprises a water inlet interface tube, a membrane cavity, an inner counter bore, a membrane valve core seat and a water outlet interface tube;

the diaphragm comprises a cavity part with an upper opening, a pipe hole arranged on the cavity part, a seat hole and a flanging;

a water inlet pipe and a water guide valve core seat are arranged on the tray;

the valve cover comprises a bottom cover part and a lower opening pipe body part, and the pipe body part is communicated with the bottom cover part;

the frame-shaped electromagnetic bracket comprises a top plate, a side plate and a bottom plate which are integrally formed,

the tray is arranged in the cavity, the water inlet pipe and the water guide valve core seat respectively penetrate through the pipe hole and the seat hole and are fixed, and the flanging is attached to the bottom plate of the inner counter bore; the electromagnetic valve core assembly is arranged in the pipe body part, and the bottom cover part is inserted into the inner counter bore; the coil rack is arranged in the frame-shaped electromagnetic bracket, the pipe body part passes through the bottom pipe hole on the bottom plate, the coil rack and the top pipe hole on the top plate, and the bottom plate and the membrane cavity are fixed by screws.

2. The normally open solenoid operated water valve of claim 1, wherein: the inner counter bore is provided with an annular plug bush;

the flanging is provided with a lower annular slot with a lower opening and an upper annular inserting slot with an upper opening;

the bottom cover part is provided with an external interface;

the annular plug bush is inserted into the lower annular plug groove, and the outer interface is inserted into the upper annular plug groove.

3. The normally open solenoid operated water valve of claim 1, wherein: the electromagnetic valve core component comprises a movable iron core, a valve rod, a spring, a support and a valve core,

the upper end of the valve rod is provided with a spring seat, the lower end is provided with a valve core fixing seat,

the support comprises a sleeve and a base body with a lower opening;

the valve rod passes through the spring and the support, the valve core fixing seat is fixed with the valve core, the movable iron core and the electromagnetic valve core component are sequentially arranged in the pipe body, and the seat is fixed with the lower end of the pipe body; the valve core corresponds to the water guide valve core seat.

4. A normally open solenoid operated water valve as defined in claim 3 wherein: the tube body part and the bottom cover part are provided with fixed cavity parts,

also comprises a clamping ring, wherein the clamping ring is provided with a clamping groove,

the retainer ring is in interference fit with the fixing cavity part and fixes the support.

5. A normally open solenoid operated water valve as set forth in claim 3 or 4 wherein: the lower end of the pipe body is provided with a counter bore;

the seat body of the support is embedded with the counter bore.