CN115076445A - A bistable electromagnetic water switch - Google Patents

Abstract

A bistable electromagnetic water switch, comprising an electromagnetic component, a main body, a static ceramic sheet, a moving ceramic sheet, a sealing cover, a fastener, a water inlet joint and a water outlet joint, and the main body includes a switch control cavity, a fastening cavity, a water outlet cavity, Water outlet hole, guide hole and water inlet hole, static ceramic piece includes water guide hole with through-thickness; dynamic ceramic piece includes connection position and sealing water level; sealing cover, movable ceramic piece and static ceramic piece are stacked, and static ceramic piece is controlled by switch The adjacent ends of the cavity and the water inlet cavity are sealed and sealed, the sealing cover is sealed with the other end of the switch control cavity, the fasteners are embedded in the fastening cavity and fit with the sealing cover; the base plate is fixed with the main body, and the flange at the guide hole is The counterbore is fitted and sealed, and the moving iron core is connected with the connection position; the water inlet joint and the water outlet joint are respectively connected with the water inlet hole and the water outlet hole; the sealing water level cooperates with the water guide hole to realize the switch. The setting of the static ceramic plate and the moving ceramic plate is corrosion-resistant and has a long service life; during the moving process of the moving ceramic plate, foreign objects are removed, preventing clogging and smooth water flow.

Description

A bistable electromagnetic water switch

technical field

The invention relates to a solenoid valve water switch.

Background technique

The current prior art, Chinese invention patent application 201911385798.5, provides a low-pressure pulse solenoid valve, wherein the valve seat is provided with an inner pipe, a clamping groove and an overflow groove; the positioning convex ring on the diaphragm pad is clamped in the clamping groove; The diaphragm piece is pressed on the diaphragm pad, and the water inlet pipe and the water outlet pipe are inserted into the overflow tank and the inner pipe respectively; the positioning frame is inserted in the valve seat and pressed on the positioning convex ring, and the guide pipe is provided with a partition to form a magnet accommodating cavity and piston accommodating cavity; the seat plate is sleeved on the guide tube and fixed on the top of the valve seat; the coil is sleeved on the guide tube and inserted and fixed on the seat plate; the coil holder is connected with the coil and the seat plate to fix the coil; bar magnet It is located in the magnet accommodating chamber; the piston is inserted in the piston accommodating chamber and can be pressed on the inlet tube table; the plug cap is sleeved on the upper end of the guide pipe, the inner part is provided with an iron column, and the outer part is sleeved with a magnet ring. The problem is: the structure is complex, it is not resistant to corrosion, and foreign matter is deposited.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a bistable electromagnetic water switch, which has the characteristics of simple structure, corrosion resistance and no deposition of foreign matter.

The present invention is realized as follows: a bistable electromagnetic water switch, which is special in that it includes an electromagnetic assembly, a main body, a static ceramic sheet, a moving ceramic sheet, a sealing cover, a fastener, a water inlet joint and a water outlet joint ,

The electromagnetic assembly includes a protective frame with a lower opening, a base plate, a coil seat, a coil, a tube body with a lower opening made of a non-magnetic conductive material, a fixed magnetic core and a moving iron core, and the coil seat includes a cavity with an opening at one end and a winding slot ; The tube body is inserted into the cavity through the base plate, and the flange of the tube body is attached to the base plate; the fixed magnetic core is set at the closed end of the tube body, and the moving iron core moves in the tube body;

The main body includes a switch control cavity, a fastening cavity, a water outlet cavity, a water outlet hole, a guide hole and a water inlet hole, and the static ceramic sheet includes a through-thickness water guide hole;

The moving ceramic piece includes the connection level and the sealing water level;

The sealing cover, the moving ceramic sheet and the static ceramic sheet are stacked, the static ceramic sheet is fitted and sealed with the adjacent end of the switch control cavity and the water outlet cavity, the sealing cover is sealed with the other end of the switch control cavity, and the fastener is embedded with the fastening cavity and is The sealing cover is fitted; the base plate is fixed with the main body, the flange is fitted and sealed with the countersunk hole at the guide hole, and the moving iron core is connected with the connection position; the water inlet and outlet joints are connected with the water inlet and outlet respectively; Cooperate with the water guide hole to realize the switch.

Preferably, a guide groove is provided on the static ceramic sheet, and a head is provided on the movable ceramic sheet, and the head is slidably matched with the guide groove.

Preferably: the sealing cover is provided with at least two parallel protrusions;

The movable ceramic piece is slidably matched with the protrusion.

Preferably, a water guide groove is provided at the lower part of the sealing water level, and the water guide groove includes a side water guide groove and an inlet water guide groove arranged on one side. Preferably, the fastening cavity is provided with an inner thread; the fastener is provided with an outer thread, and the fastener is screwed with the fastening cavity.

Preferably: the fastening cavity wall is provided with a tab hole;

One side of the sealing cover is provided with a cavity, and the bottom plate of the cavity is provided with a first spring column seat;

The fastener includes a tab arranged in the circumferential direction and a second spring post seat arranged at one end;

Also includes pressure springs,

The first spring column seat and the second spring column seat are inserted into the pressure spring, and the tab is fitted with the tab hole.

The invention provides a bistable electromagnetic water switch, the static ceramic sheet and the moving ceramic sheet are arranged, which is corrosion-resistant and has a long service life; during the moving process of the moving ceramic sheet, the foreign matter is removed, the blockage is prevented, and the water flow is smooth.

Description of drawings

FIG. 1 is a cross-sectional view of the present invention.

FIG. 2 is an A-A view of FIG. 1 .

Figure 3 is one of the exploded perspective views of the present invention.

Fig. 4 is a perspective view of the present invention.

Fig. 5 is the second exploded perspective view of the present invention.

FIG. 6 is the third exploded perspective view of the present invention.

FIG. 7 is a perspective view of the main body 2 of the present invention.

8 is an exploded perspective view of a second embodiment of the present invention.

9 is a cross-sectional view of a second embodiment of the present invention.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 , a bistable electromagnetic water switch includes an electromagnetic assembly 1 , a main body 2 , a static ceramic sheet 3 , a movable ceramic sheet 4 , a sealing cover 5 , a fastener 6 , a water outlet joint 71 and a water inlet joint 72 ,

The electromagnetic assembly 1 includes a protective frame 11 with a lower opening, a base plate 12, a coil seat 13, a coil 14, a tube body 15 with a lower opening made of a non-magnetic conductive material, a fixed magnetic core 16 and a moving iron core 17. The coil seat 13 includes A cavity 131 with an open end and a winding slot; the tube body 15 is inserted into the cavity 131 through the base plate 12 , and the flange 151 of the tube body 15 is fitted with the base plate 12 ; At the end, the moving iron core 17 moves in the tube body 15; the longitudinal plate of the protection frame 11 is fixed with the base plate 12, the coil seat is located in the protection frame 11, and the base plate 12 supports the coil seat 13;

The main body 2 includes a switch control cavity 21, a fastening cavity 22, a water outlet cavity 23, a water outlet hole 231, a guide hole 24 and a water inlet hole 25. The switch control cavity 21, the water outlet cavity 23 and the water outlet hole 231 are connected in sequence, and the guide hole 24 and the water inlet hole 231 are connected in turn. The water hole 25 communicates with the switch control cavity 21;

The static ceramic sheet 3 includes a through-thickness water guide hole 31;

The movable ceramic sheet 4 includes a connection position 41, a sealing water level 42 and a water guide groove, the water guide groove includes a side water guide groove 431 and an inlet water guide groove 432 arranged on one side, and the water inlet water guide groove 432 communicates with the side water guide groove 431;

The sealing cover 5 is made of copper or plastic material;

The sealing cover 5, the movable ceramic sheet 4 and the static ceramic sheet 3 are stacked, the static ceramic sheet 3 is sealed with the adjacent ends of the switch control chamber 21 and the water outlet chamber 23, and the sealing cover 5 is sealed with the other end of the switch control chamber 21 and fastened. The part 6 is fitted with the fastening cavity 22 and is fitted with the sealing cover 5 to prevent the sealing cover 5 from being displaced; the movable ceramic sheet 4 is slidingly matched with the sealing cover 5 and the static ceramic sheet 3, and the movable ceramic sheet 4 is fitted with the static ceramic sheet 3 Sealing; the base plate 12 and the main body 2 are fixed with screws, the flange 151 is fitted and sealed with the countersunk hole 241 at the guide hole 24, the moving iron core 17 is connected with the connection position 41 and slides with the guide hole 24; the water outlet joint 71 is connected to the water outlet The hole 231 and the water inlet joint 72 are communicated with the water inlet hole 25; in the absence of a water guide groove, the sealing water level 42 cooperates with the water guiding hole 31 to realize the switch, and when the sealing water level and the water guiding hole 31 are relatively closed and staggered, the water guiding hole 31 is closed and staggered. Pass;

In the case of a water guide groove, when it is turned on, the water guide hole 31 is opposite to the water inlet water guide groove 432, and when it is closed, the sealing water level 42 is opposite to the water guide hole.

As a further improvement of the present invention, the static ceramic sheet 3 is provided with a guide groove 32 , and the movable ceramic sheet 4 is provided with a head 44 , and the head 44 is slidably matched with the guide groove 32 . Make sure that the movable ceramic piece moves in a straight line.

The sealing cover 5 is provided with two parallel protrusions 51, and the cross-section of the protrusions 51 is arc-shaped;

The movable ceramic piece 4 is in sliding fit with the protrusion 51 . Reduce sliding friction.

One end of the coil base 13 is provided with an annular groove 132 , the annular groove 132 communicates with the coil groove, and the joint of the coil 14 extends from the annular groove 1321 .

As shown in FIG. 3 and FIG. 6 , the fastening cavity 22 is provided with internal threads; the fastener 6 is provided with external threads, and the fastener 6 is screwed with the fastening cavity 22 .

The present invention can also be implemented as follows: the wall of the fastening cavity 22 is provided with a tab hole 221;

One side of the sealing cover 5 is provided with a cavity, and the bottom plate of the cavity is provided with a first spring column seat 52;

The fastener 6 includes a tab 62 arranged in the circumferential direction and a second spring column seat 61 arranged at one end;

Also includes a compression spring 9,

The first spring post 52 and the second spring post 61 are inserted into the pressure spring 9 , and the tab 62 is fitted into the tab hole 221 .

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (6)

1. a bistable electromagnetic water switch, is characterized in that: it comprises electromagnetic assembly, main body, static ceramic sheet, moving ceramic sheet, sealing cover, fastener, water inlet joint and water outlet joint, The electromagnetic assembly includes a protective frame with a lower opening, a base plate, a coil seat, a coil, a tube body with a lower opening made of a non-magnetic conductive material, a fixed magnetic core and a moving iron core, and the coil seat includes a cavity with an opening at one end and a winding slot ; The tube body is inserted into the cavity through the base plate, and the flange of the tube body is attached to the base plate; the fixed magnetic core is set at the closed end of the tube body, and the moving iron core moves in the tube body; The main body includes a switch control cavity, a fastening cavity, a water outlet cavity, a water outlet hole, a guide hole and a water inlet hole, The static ceramic sheet includes a through-thickness water guide hole; The moving ceramic piece includes the connection level and the sealing water level; The sealing cover, the moving ceramic sheet and the static ceramic sheet are stacked, the static ceramic sheet is fitted and sealed with the adjacent end of the switch control cavity and the water outlet cavity, the sealing cover is sealed with the other end of the switch control cavity, and the fastener is embedded with the fastening cavity and is The sealing cover is fitted; the base plate is fixed with the main body, the flange is fitted and sealed with the countersunk hole at the guide hole, and the moving iron core is connected with the connection position; the water inlet and outlet joints are connected with the water inlet and outlet respectively; Cooperate with the water guide hole to realize the switch. 2 . The bistable electromagnetic water switch according to claim 1 , wherein a guide groove is provided on the static ceramic sheet, and a head is provided on the movable ceramic sheet, and the head is slidably matched with the guide groove. 3 . 3. The bistable electromagnetic water switch according to claim 1, wherein at least two parallel protrusions are provided on the sealing cover; The movable ceramic piece is slidably matched with the protrusion. 4 . The bistable electromagnetic water switch according to claim 1 , wherein a water guide groove is provided at the lower part of the sealing water level, and the water guide groove includes a side water guide groove and an inlet water guide groove arranged on one side. 5 . 5. A bistable electromagnetic water switch according to claim 1, 2, 3 or 4, characterized in that: the fastening cavity is provided with internal threads; the fasteners are provided with external threads, The fastener is screwed into the fastening cavity. 6. A bistable electromagnetic water switch according to claim 1, 2, 3 or 4, characterized in that: a tongue hole is provided on the wall of the fastening cavity; One side of the sealing cover is provided with a cavity, and the bottom plate of the cavity is provided with a first spring column seat; The fastener includes a tab arranged in the circumferential direction and a second spring post seat arranged at one end; Also includes pressure springs, The first spring column seat and the second spring column seat are inserted into the pressure spring, and the tab is fitted with the tab hole.

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