Cleanable tap water electromagnetic stop valve

Abstract

A washable tap water electromagnetic stop valve comprises an electromagnetic assembly, an elastic valve diaphragm, a valve body and a valve element piece, the valve diaphragm comprises an annular base plate, a connecting hole and a water guide pressure relief hole, the valve body comprises a valve element cavity, a water inlet connector, a water outlet connector, a water pressure cavity and a through hole, and the valve element piece comprises a water inlet part, an annular water outlet groove and a base. The valve element part is arranged in the valve element cavity, the external thread of the base is screwed with the internal thread, the annular water inlet groove is opposite to the water inlet connector, and the annular water outlet groove is opposite to the water outlet connector; a telescopic rod of the electromagnetic assembly is connected with the connecting hole, the annular seat plate is attached to a bottom plate of the water pressure cavity, the electromagnetic assembly covers the water pressure cavity and tightly presses the annular seat plate, the valve diaphragm moves in the through hole, and the valve diaphragm is buckled with the inner cylindrical valve diaphragm seat. The valve element piece and the valve element cavity are in threaded connection, during cleaning, the valve element piece is rotated, the upper end of the valve element piece is far away from the core film, the water inflow is increased, cleaning of the valve film piece, the outer cylindrical body part and the inner cylindrical valve film seat is achieved, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to an electromagnetic stop valve arranged on a water pipeline. Background Art

[0002] At present, the existing technology, Chinese patent 201710984077.0, a washable tap water electromagnetic stop valve filter, includes an upper shell, a lower shell, a filter element assembly, and an electromagnetic stop valve. The electromagnetic stop valve is composed of a fixed iron core, a moving iron core, a push rod, a coil and a shell in the electromagnet. The electromagnet is arranged inside the filter element of the filter element assembly. The filter element assembly includes a filter element, and the oil is filtered and reaches the sealing part of the electromagnet valve. When the electromagnet is powered off, the valve in the valve core is closed under the elastic force of the spring to prevent the oil from flowing out. When the electromagnet is powered on, the valve in the valve core is attracted by the electromagnetic force of the moving iron core, driving the push rod to push the valve to overcome the spring force, so that the valve opens, and the filtered oil flows out from the outlet. The upper end surface of the upper shell is connected to an electrical socket by screws, and the electrical socket is connected to the system to provide a signal for the electromagnet. The problem is that it needs to be disassembled when cleaning.

[0003] Currently on the market, there is a cleanable tap water electromagnetic stop valve, which is characterized by: including an electromagnetic component, an elastic valve diaphragm and a valve body, the valve body is provided with a valve diaphragm sealing seat and is integrally formed, the gap between the valve diaphragm and the valve diaphragm sealing seat is easily blocked, and cleaning is inconvenient. Utility Model Content

[0004] The utility model aims to provide a washable tap water electromagnetic stop valve, which has the characteristic of being able to be cleaned without being disassembled.

[0005] The utility model is realized in this way: a washable tap water electromagnetic stop valve, which is special in that it comprises an electromagnetic component, an elastic valve diaphragm, a valve body and a valve core member,

[0006] The valve diaphragm includes an annular seat plate, a connection hole and a water guide and pressure relief hole arranged in the center, and the annular seat plate and the valve core cavity constitute a water storage cavity;

[0007] The valve body includes a valve core cavity, a water inlet interface, a water outlet interface, a water pressure cavity and a through hole, and the lower part of the valve core cavity is provided with an internal thread;

[0008] The valve core member includes a water inlet portion, an annular water outlet groove and a base. The water inlet portion includes an outer cylindrical body and an inner cylindrical valve membrane seat. The outer cylindrical body is provided with an annular water inlet groove and radial water inlet holes. The bottom of the inner cylindrical valve core seat is provided with radial water outlet holes and is connected to the annular water outlet groove.

[0009] The valve core part is arranged in the valve core cavity, the external thread of the base is screwed with the internal thread, the annular water inlet groove is opposite to the water inlet interface, and the annular water outlet groove is opposite to the water outlet interface; the telescopic rod of the electromagnetic assembly is connected to the connecting hole, the annular seat plate is fitted with the bottom plate of the water pressure cavity, the electromagnetic assembly covers the water pressure cavity and presses the annular seat plate, the valve diaphragm moves in the through hole, and the valve diaphragm is buckled with the inner cylindrical valve diaphragm seat.

[0010] Preferably: the bottom plate of the water pressure chamber is provided with an annular protrusion surrounding the through hole;

[0011] The annular seat plate is provided with an annular groove with a lower opening, and the annular protrusion is inserted into the annular groove.

[0012] Preferably, a hexagonal countersunk hole is provided on the lower end surface of the base.

[0013] Preferably, it also includes a water filter, which is in the shape of a cylinder with one end open and is provided with an angular filter portion, and the water filter is detachably matched with the water inlet interface.

[0014] Preferably: it also includes a U-shaped stop frame, the U-shaped stop frame includes a transverse portion and two rod portions, and the lower portion of the valve core cavity is provided with a radial plug hole;

[0015] The rod passes through the radial plug-in hole, and the portion located in the valve core cavity cooperates with the base.

[0016] Preferably: the water outlet interface is provided with a plate movable hole, a side opening and a receiving cavity of the opening, a stop plate is provided in the receiving cavity, and the side surface of the stop plate is an inclined surface;

[0017] It also includes a locking plate, which includes a locking hole, an elastic fastening plate and a bottom cover plate. The locking plate is inserted into and extends from the lower part of the plate movable hole, and the elastic fastening plate cooperates with the stop plate.

[0018] The utility model discloses a cleanable tap water electromagnetic stop valve. A valve core part and a valve core cavity are connected by threads. When cleaning, the valve core part is rotated so that the upper end of the valve core part is away from the core membrane, thereby increasing the water intake and realizing the cleaning of the valve membrane, the outer cylindrical body and the inner cylindrical valve membrane seat. The operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a cross-sectional view of the utility model.

[0020] Figure 2 It is one of the three-dimensional exploded views of the utility model.

[0021] Figure 3 This is the second three-dimensional exploded view of the present utility model.

[0022] Figure 4 It is a three-dimensional diagram of the locking plate of the utility model.

[0023] Figure 5 It is a front view of the locking plate of the utility model.

[0024] Figure 6 It is a stereogram of the utility model. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1 As shown, a washable tap water electromagnetic stop valve comprises an electromagnetic component 1, an elastic valve diaphragm 2, a valve body 3 and a valve core 4.

[0029] The valve diaphragm 2 comprises an annular seat plate 21, a connecting hole 22 and a water conducting and pressure collecting hole 23 arranged in the center. The annular seat plate 21 and the valve diaphragm 2 form a water storage cavity with an upper opening. The valve diaphragm 2 is made of rubber material and has good elasticity.

[0030] The valve body 3 includes a valve core chamber 31, a water inlet interface 32, a water outlet interface 33, a water pressure chamber 34 and a through hole 35. The lower part of the valve core chamber 31 is provided with an internal thread; the through hole 35 is provided on a partition between the water pressure chamber 34 and the valve core chamber 31; the water inlet interface 32 and the water outlet interface 33 are spaced apart along the axial direction of the valve core chamber 31;

[0031] The valve core component 4 includes a water inlet portion 41, an annular water outlet groove 42 and a base 43. The water inlet portion includes an outer cylindrical body 411 and an inner cylindrical valve membrane seat 412. The outer cylindrical body 411 is provided with an annular water inlet groove 4111 and radial water inlet holes 4112. The bottom of the inner cylindrical valve core seat 412 is provided with radial water outlet holes 3121 and is connected to the annular water outlet groove 42. The valve core component 4 can be made of metal or plastic material.

[0032] The telescopic rod of the electromagnetic assembly 1 is connected to the connecting hole 22, the annular seat plate 21 is fitted with the bottom plate of the water pressure chamber 34, the electromagnetic assembly 1 covers the water pressure chamber and 34 presses the annular seat plate 21 and seals it, and the valve diaphragm 2 moves in the through hole 35; the valve core member 4 is arranged in the valve core chamber 31, the water outlet and the base are sealed with the valve core chamber 31, the external thread of the base 43 is screwed with the internal thread of the lower part of the valve core chamber 31, the annular water inlet groove 4111 is opposite to the water inlet interface 32, and the annular water outlet groove 42 is opposite to the water outlet interface 33; the valve diaphragm 2 and the inner cylindrical valve diaphragm seat 412 are buckled and sealed;

[0033] When the utility model is used, it is installed on the water pipe. Figure 1 As shown, the electromagnetic assembly 1 is in the power-off state, the telescopic rod of the electromagnetic assembly 1 is in the extended state, the valve core cavity 2 is in a close fit and sealing relationship with the inner cylindrical valve diaphragm seat 412, the water storage cavity is filled with water, and the water pressure in the water storage cavity makes the valve diaphragm fit with the inner cylindrical valve diaphragm seat 412 to prevent the sudden increase of the water pressure in the pipeline, and the valve is in the cut-off state.

[0034] exist Figure 1 In the cut-off state shown in the figure, the electromagnetic assembly 1 is energized, the telescopic rod of the electromagnetic assembly 1 moves upward, and the valve diaphragm 2 moves upward accordingly. The water in the water storage chamber enters the valve core chamber 31 through the water guide pressure relief hole 23, and the valve diaphragm 2 leaves the upper end of the inner cylindrical valve diaphragm seat 412 and a gap appears; the water enters the outer cylindrical body 411 through the water inlet interface 32 and the annular water inlet groove 4111, and enters the inner cylindrical valve diaphragm seat 412 through the inner cylindrical valve diaphragm seat 412; then the radial water outlet hole 4121 enters the annular water outlet groove 42, and finally flows out from the water outlet interface 33; it is the conduction state. The electromagnetic assembly 1 is de-energized, the extension rod is extended, the valve core chamber moves downward and is in contact with the inner cylindrical valve diaphragm seat 412, and the water between the outer cylindrical body 411 and the inner cylindrical valve diaphragm seat 412 enters the water collection chamber through the water guide pressure relief hole 23, and returns to the cut-off state.

[0035] Because the water guide gap between the inner cylindrical valve diaphragm seat 412 and the valve core cavity 2 is small, it is easy to be blocked; when cleaning, rotate the valve core member 4, the valve core member 4 moves downward, a large amount of water flushes the valve diaphragm and enters the inner cylindrical valve diaphragm seat 412 and is discharged, thereby achieving cleaning and convenient operation.

[0036] As a further improvement of the present utility model: the bottom plate of the water pressure chamber 34 is provided with an annular protrusion 341 surrounding the through hole 35;

[0037] The annular seat plate 21 is provided with an annular groove 211 with a lower opening, and the annular protrusion 341 is inserted into the annular groove 211. With such a structure, the sealing performance is improved and the displacement of the valve diaphragm can be prevented.

[0038] As a further improvement of the present invention: a hexagonal countersunk hole 431 is provided on the lower end surface of the base 43. The setting of the hexagonal countersunk hole facilitates the use of a hexagonal wrench to drive the valve core member 4 to rotate.

[0039] As an improvement of the present utility model: it also includes a water filter element 5, which is cylindrical with one end open and is provided with an angular filter portion 51, the angular filter portion includes a radial plate portion and an axial plate portion, and the radial plate portion and the axial plate portion are provided with water filtering holes; the water filter element 5 is detachably matched with the water inlet interface 32.

[0040] As a further improvement of the utility model: it also includes a U-shaped stop frame 6, the U-shaped stop frame 6 includes a transverse portion 61 and two rod portions 62

[0041] The lower part of the valve core cavity 31 is provided with two radial plug holes 311;

[0042] The rod 62 passes through the radial plug hole 311, and the suspended end of the rod 62 is bent to form a stop buckle; the part located in the valve core cavity 31 cooperates with the base 43; the setting of the U-shaped stop frame prevents the valve core member 4 from loosening and has an anti-loosening effect.

[0043] As a further improvement of the utility model: the water outlet interface 33 is provided with a plate movable hole 331 and a side opening and an opening accommodating cavity 332, and a stop plate 333 is provided in the accommodating cavity 332, and the side surface of the stop plate 333 is an inclined surface;

[0044] The locking plate 7 includes a locking hole 71, an elastic fastening plate 72 and a bottom cover plate 73.

[0045] The locking plate 7 is inserted into and extended from the lower part of the plate movable hole 331 , the elastic fastening plate 72 cooperates with the stop plate to tighten and prevent loosening, and the bottom cover plate 73 closes the lower opening of the accommodating cavity.

[0046] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A cleanable tap water electromagnetic stop valve, characterized in that: It includes electromagnetic components, elastic valve diaphragm, valve body and valve core. The valve diaphragm includes an annular seat plate, a connection hole and a water guide and pressure relief hole arranged in the center, and the annular seat plate and the valve core cavity constitute a water storage cavity; The valve body includes a valve core cavity, a water inlet interface, a water outlet interface, a water pressure cavity and a through hole, and the lower part of the valve core cavity is provided with an internal thread; The valve core member includes a water inlet portion, an annular water outlet groove and a base. The water inlet portion includes an outer cylindrical body and an inner cylindrical valve membrane seat. The outer cylindrical body is provided with an annular water inlet groove and radial water inlet holes. The bottom of the inner cylindrical valve core seat is provided with radial water outlet holes and is connected to the annular water outlet groove. The valve core part is arranged in the valve core cavity, the external thread of the base is screwed with the internal thread, the annular water inlet groove is opposite to the water inlet interface, and the annular water outlet groove is opposite to the water outlet interface; the telescopic rod of the electromagnetic assembly is connected to the connecting hole, the annular seat plate is fitted with the bottom plate of the water pressure cavity, the electromagnetic assembly covers the water pressure cavity and presses the annular seat plate, the valve diaphragm moves in the through hole, and the valve diaphragm is buckled with the inner cylindrical valve diaphragm seat.

2. A washable tap water electromagnetic stop valve according to claim 1, characterized in that: The bottom plate of the water pressure chamber is provided with an annular protrusion surrounding the through hole; The annular seat plate is provided with an annular groove with a lower opening, and the annular protrusion is inserted into the annular groove.

3. The washable tap water electromagnetic stop valve according to claim 1, characterized in that: A hexagonal countersunk hole is arranged on the lower end surface of the base.

4. The washable tap water electromagnetic stop valve according to claim 1, characterized in that: It also includes a water filter, which is in the shape of a cylinder with one end open and is provided with an angular filter portion, and the water filter is detachably matched with the water inlet interface.

5. The washable tap water electromagnetic stop valve according to claim 1, characterized in that: It also includes a U-shaped stop frame, which includes a transverse portion and two rod portions. The lower portion of the valve core cavity is provided with a radial plug-in hole; The rod passes through the radial plug-in hole, and the portion located in the valve core cavity cooperates with the base.

6. The washable tap water electromagnetic stop valve according to claim 1, characterized in that: The water outlet interface is provided with a plate movable hole, a side opening and a receiving cavity of the opening, a stop plate is provided in the receiving cavity, and the side surface of the stop plate is an inclined surface; It also includes a locking plate, which includes a locking hole, an elastic fastening plate and a bottom cover plate. The locking plate is inserted into and extended from the lower part of the plate movable hole, and the elastic fastening plate is matched with the stop plate.

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