CN210661595U

CN210661595U - Magnetic core assembly of high-power electromagnetic valve and drain valve thereof

Info

Publication number: CN210661595U
Application number: CN201920960740.8U
Authority: CN
Inventors: 李学谦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-06-02
Anticipated expiration: 2029-06-25

Abstract

A magnetic core assembly of a high-power electromagnetic valve and a drain valve thereof are disclosed, wherein the magnetic core assembly comprises a frame-shaped metal bracket and a coil main body arranged on the frame-shaped metal bracket, the coil main body comprises a coil framework and a coil wound on the outer wall of the coil framework, and the outer side of the coil is provided with a plastic shell formed by one-time injection molding; the middle cavity of the coil framework is divided into an upper cavity and a lower cavity through a convex ring, wherein the lower cavity is a cavity for the iron rod to move up and down, a magnetic collecting rod spring and a solid magnetic collecting rod are sequentially arranged in the upper cavity from bottom to top, a first through hole which is elastically matched with the upper end of the solid magnetic collecting rod is arranged on the upper piece of the frame-shaped metal support, and a second through hole which allows the iron rod to pass through is arranged on the lower piece of the frame-shaped metal support. The utility model has the advantages of under the unchangeable circumstances of assurance drive power, its solenoid valve volume is littleer.

Description

Magnetic core assembly of high-power electromagnetic valve and drain valve thereof

Technical Field

The utility model belongs to the technical field of a solenoid valve technique and specifically relates to a be suitable for the magnetic core subassembly of the high-power solenoid valve who uses on vegetable washing machine or dish washer and drain valve thereof.

Background

Vegetable washing is one of the essential procedures in vegetable processing and clean vegetable production. Before 2013, the vegetable washing mainly depends on manual work, and the mechanization degree of the vegetable washing is low; the existing vegetable cleaning machine has two types, namely a vibration spray type and a roller type. The vibration spray type vegetable cleaning machine is provided with two cleaning pools, vegetables firstly do reciprocating motion in the vibration cleaning pools to be preliminarily cleaned, and then enter a spray pool to be sprayed with clear water, so that the whole cleaning process is completed.

The main body of the drum-type cleaning machine is an inclined metal net-shaped cylindrical rotating body, a central shaft of the cylinder is provided with a plurality of water spraying pipes with nozzles, and vegetables are washed by the water spraying pipes while continuously rotating along with the cylinder, so that the purpose of cleaning is achieved.

No matter the vegetable washer is of a vibration spray type or a drum type, the final sewage is discharged through a drain valve.

The dish washer is used to automatically clean tableware such as dish, chopsticks, dish, knife and fork. The waste water after cleaning is discharged through a drain valve.

Because the waste water of the vegetable washer or the dish washer has a large amount of mud, the waste water can be discharged completely by the drain valve with a larger pipe diameter, and the waste water can be discharged only by the electromagnetic drain valve with higher power. The existing electromagnetic drain valve has larger volume, cannot be installed at a position with limited installation space, and how to reduce the volume of the electromagnetic valve as much as possible under the condition of ensuring that the driving power is not changed is a problem which needs to be solved at present; in addition, the traditional electromagnetic valve is used in a vegetable washing machine or a dish washing machine and has the problems of poor pollution discharge effect and poor sealing effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above problem, the utility model discloses provide a magnetic core subassembly and drain valve of the big power solenoid valve that the volume of its solenoid valve is littleer under the unchangeable circumstances of drive power guaranteeing to the society.

Another object of the utility model is to provide a blowdown effect and sealed effectual high-power drain valve.

The technical scheme of the utility model is to provide a magnetic core subassembly of high-power solenoid valve, including frame-shaped metal support and the coil main part that sets up on frame-shaped metal support, the coil main part includes coil skeleton and the coil of coiling on coil skeleton outer wall, be equipped with the plastic casing of once injection moulding outside the coil; the middle cavity of the coil framework is divided into an upper cavity and a lower cavity through a convex ring, wherein the lower cavity is a cavity used for the iron rod to move up and down, a magnetic collecting rod spring and a solid magnetic collecting rod are sequentially arranged in the upper cavity from bottom to top, a first through hole which is elastically matched with the upper end of the solid magnetic collecting rod is formed in the upper piece of the frame-shaped metal support, and a second through hole which allows the iron rod to pass through is formed in the lower piece of the frame-shaped metal support.

As an improvement, the lower end face of the solid magnetic collecting rod is provided with a lower end protrusion extending into the magnetic collecting rod spring.

As an improvement of the utility model, the frame-shaped metal bracket is formed by punching iron sheets.

As an improvement of the utility model, the solid magnetic collecting bar is made of solid iron bars.

The utility model also provides a high-power drain valve, including magnetic core subassembly and disk seat, be equipped with the case subassembly in the disk seat, the case subassembly is under the drive effect of magnetic core subassembly, in the up-and-down motion of the base holding intracavity of case subassembly, switches on or shuts off water inlet and delivery port on the disk seat, the magnetic core subassembly, including frame shape metal support and the coil main part that sets up on frame shape metal support, the coil main part includes coil skeleton and the coil of coiling on coil skeleton outer wall, be equipped with the plastic casing of once injection moulding outside the coil; the middle cavity of the coil framework is divided into an upper cavity and a lower cavity through a convex ring, wherein an iron rod of the valve core assembly is arranged in the lower cavity, a magnetic collecting rod spring and a solid magnetic collecting rod are sequentially arranged in the upper cavity from bottom to top, a first through hole which is elastically matched with the upper end of the solid magnetic collecting rod is formed in the upper piece of the frame-shaped metal support, and a second through hole which allows the iron rod to pass through is formed in the lower piece of the frame-shaped metal support.

As an improvement of the utility model, the valve core assembly comprises an iron rod, a partition plate, a valve core spring, a clamping piece and a corrugated pipe fitting, wherein the partition plate is provided with an iron rod guide pipe, and the upper section of the iron rod passes through the iron rod guide pipe and extends into the lower section cavity; the clamping piece is fixedly arranged at the lower end of the iron rod, and the valve core spring is sleeved on the iron rod between the clamping piece and the partition plate; the corrugated pipe fitting comprises a corrugated pipe sealing piece, a corrugated pipe main body and a corrugated pipe sealing head, and the corrugated pipe sealing head 3053 is fixedly connected with the clamping piece.

As an improvement, the upper bottom surface of the base is provided with at least two positioning strips protruding from the upper bottom surface, and the lower sheet is provided with positioning grooves or positioning holes corresponding to the positions of the positioning strips.

The utility model adopts the one-time injection molding of the coil main body, and the solid magnetic collecting rod is arranged in the upper cavity of the coil framework, and the bulge of the solid magnetic collecting rod is elastically matched with the frame-shaped metal bracket, so that the magnetic field of the coil main body is increased, the volume of the coil main body is smaller, and the coil main body also has larger driving power; in addition, the valve core assembly comprises an iron rod, a partition plate, a valve core spring, a clamping piece and a corrugated pipe fitting, wherein an iron rod guide pipe is arranged on the partition plate, and the upper section of the iron rod penetrates through the iron rod guide pipe and extends into the lower section cavity; the clamping piece is fixedly arranged at the lower end of the iron rod, and the valve core spring is sleeved on the iron rod between the clamping piece and the partition plate; corrugated pipe spare includes bellows seal spare, bellows main part and bellows seal head, bellows seal head 3053 with card fixed connection's structure makes the utility model has the advantages of blowdown effect and sealed effectual.

Drawings

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

Fig. 2 is a schematic sectional view of fig. 1 assembled together.

Fig. 3 is an exploded view of a drain valve including the embodiment shown in fig. 1.

Fig. 4 is a schematic sectional view of fig. 3 combined together.

Fig. 5 is a perspective view of fig. 3 after combination.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. In addition, in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.

Referring to fig. 1 and 2, fig. 1 and 2 disclose a magnetic core assembly 10 of a high power electromagnetic valve, which includes a frame-shaped metal bracket 1 and a coil main body 2 disposed on the frame-shaped metal bracket 1, wherein the coil main body 2 includes a coil frame 21 and a coil 22 wound on an outer wall of the coil frame 21, and a plastic casing 23 formed by one-time injection molding is disposed outside the coil 22; middle cavity 211 of coil skeleton 21 is divided into two sections upper and lower cavities through bulge loop 212, and wherein, the lower section cavity is the cavity that is used for the iron rod activity from top to bottom, is equipped with collection bar magnet spring 213 and solid collection bar magnet 214 from supreme in proper order in the upper segment cavity be equipped with on the last piece 11 of frame shape metal support 1 with the first through-hole 111 of the protruding 2141 elastic fit in upper end of solid collection bar magnet 214 be equipped with the second through-hole 121 that allows the iron rod to pass through on the lower piece 12 of frame shape metal support 1.

The utility model discloses owing to adopted once injection moulding with coil main part 2, just be in be equipped with solid collection bar magnet 214 in the upper segment cavity of coil skeleton 21, the protruding 2141 and the 1 elastic fit of frame shape metal support of solid collection bar magnet 214 have just so increased coil main part 2 magnetic field for coil main part 2's volume is littleer, also has great drive power.

Preferably, a lower end protrusion 2142 for extending into the magnetic rod spring 213 is provided on the lower end surface of the solid magnetic rod 214.

Preferably, the frame-shaped metal bracket 1 is formed by punching an iron sheet.

Preferably, the solid magnetic collecting rod 214 is made of a solid iron rod, and the solid iron rod has a better magnetic collecting effect.

Referring to fig. 3-5, fig. 3-5 disclose a high power drain valve, which includes a magnetic core assembly 10 and a valve seat 20, wherein a valve core assembly 30 is disposed in the valve seat 20, the valve core assembly 30 moves up and down in a base accommodating cavity 203 of the valve core assembly 30 under the driving action of the magnetic core assembly 10, so as to connect or disconnect a water inlet 201 and a water outlet 202 on the valve seat 20, the magnetic core assembly 10 includes a frame-shaped metal support 1 and a coil main body 2 disposed on the frame-shaped metal support 1, the coil main body 2 includes a coil frame 21 and a coil 22 wound on an outer wall of the coil frame 21, and a plastic casing 23 formed by one-time injection molding is disposed outside the coil 22; the middle cavity 211 of the coil skeleton 21 is divided into an upper cavity and a lower cavity by a convex ring 212, wherein the iron rod 301 of the valve core assembly 30 is arranged in the lower cavity, a magnetic collecting rod spring 213 and a solid magnetic collecting rod 214 are sequentially arranged in the upper cavity from bottom to top, a first through hole 111 which is elastically matched with the upper protrusion 2141 of the solid magnetic collecting rod 214 is arranged on the upper sheet 11 of the frame-shaped metal support 1, and a second through hole 121 which allows the iron rod to pass through is arranged on the lower sheet 12 of the frame-shaped metal support 1.

Preferably, the valve core assembly 30 comprises an iron rod 301, a partition plate 302, a valve core spring 303, a clamping piece 304 and a corrugated pipe piece 305, wherein an iron rod guide pipe 3021 is arranged on the partition plate 302, and the upper section of the iron rod 301 extends into the lower section cavity through the iron rod guide pipe 3021; the clamping piece 304 is fixedly arranged on the lower end 3011 of the iron rod 301, and the valve core spring 303 is sleeved on the iron rod 301 between the clamping piece 304 and the partition plate 302; the bellows member 305 includes a bellows seal 3051, a bellows body 3052, and a bellows seal head 3053, and the bellows seal head 3053 is fixedly connected to the card 304.

The utility model adopts the valve core assembly 30 comprising the iron rod 301, the clapboard 302, the valve core spring 303, the clamping piece 304 and the corrugated pipe piece 305, the clapboard 302 is provided with the iron rod conduit 3021, and the upper section of the iron rod 301 passes through the iron rod conduit 3021 and extends into the lower section cavity; the clamping piece 304 is fixedly arranged on the lower end 3011 of the iron rod 301, and the valve core spring 303 is sleeved on the iron rod 301 between the clamping piece 304 and the partition plate 302; bellows spare 305 includes bellows seal 3051, bellows main part 3052 and bellows seal head 3053, bellows seal head 3053 with card 304 fixed connection's structure makes the utility model has the advantages of blowdown effect and sealed effectual.

Preferably, at least two positioning strips 204 protruding from the upper bottom surface are disposed on the upper bottom surface of the base 20, and a positioning groove 122 or a positioning hole is disposed on the lower sheet 12 at a position corresponding to the positioning strips 204.

Preferably, an overflow pipe 206 is provided on the water outlet pipe 205 for discharging overflow water of the dish washer or the dish washer.

Of course, the utility model can also be used on other objects such as a pool.

Claims

1. The utility model provides a magnetic core subassembly (10) of high-power solenoid valve, includes frame shape metal support (1) and coil main part (2) of setting on frame shape metal support (1), its characterized in that: the coil body (2) comprises a coil framework (21) and a coil (22) wound on the outer wall of the coil framework (21), and a plastic shell (23) formed by one-time injection molding is arranged on the outer side of the coil (22); middle cavity (211) of coil skeleton (21) divide into two sections upper and lower cavities through bulge loop (212), and wherein, the lower section cavity is the cavity that is used for the iron rod activity from top to bottom, from supreme collection bar magnet spring (213) and solid collection bar magnet (214) of being equipped with in proper order down in the upper segment cavity be equipped with on last piece (11) of frame shape metal support (1) with first through-hole (111) of the protruding (2141) elastic fit in upper end of solid collection bar magnet (214) be equipped with second through-hole (121) that allow the iron rod to pass through on lower piece (12) of frame shape metal support (1).

2. The core assembly for a high power solenoid valve according to claim 1, wherein: and a lower end bulge (2142) which is used for extending into the magnetic collection rod spring (213) is arranged on the lower end surface of the solid magnetic collection rod (214).

3. The core assembly for a high power solenoid valve according to claim 1 or 2, wherein: the frame-shaped metal support (1) is formed by punching an iron sheet.

4. The core assembly for a high power solenoid valve according to claim 1 or 2, wherein: the solid magnetic collecting rod (214) is made of a solid iron rod.

5. The utility model provides a high-power drain valve, includes magnetic core subassembly (10) and valve seat (20) be equipped with case subassembly (30) in valve seat (20), case subassembly (30) are in under the drive effect of magnetic core subassembly (10), up-and-down motion in base holding chamber (203) of case subassembly (30), switch on or shut off water inlet (201) and delivery port (202) on valve seat (20), its characterized in that: the magnetic core assembly (10) comprises a frame-shaped metal support (1) and a coil main body (2) arranged on the frame-shaped metal support (1), the coil main body (2) comprises a coil framework (21) and a coil (22) wound on the outer wall of the coil framework (21), and a plastic shell (23) formed by one-time injection molding is arranged on the outer side of the coil (22); middle cavity (211) of coil skeleton (21) divide into two sections upper and lower cavities through bulge loop (212), wherein, establish in the lower section cavity iron rod (301) of case subassembly (30), from supreme collection bar magnet spring (213) and solid collection bar magnet (214) of being equipped with in proper order down in the upper segment cavity be equipped with on last piece (11) of frame shape metal support (1) with first through-hole (111) of protruding (2141) elastic fit in upper end of solid collection bar magnet (214) be equipped with second through-hole (121) that allow the iron rod to pass through on lower piece (12) of frame shape metal support (1).

6. The high power drain valve according to claim 5, wherein: the valve core assembly (30) comprises an iron rod (301), a partition plate (302), a valve core spring (303), a clamping plate (304) and a corrugated pipe piece (305), wherein an iron rod guide pipe (3021) is arranged on the partition plate (302), and the upper section of the iron rod (301) penetrates through the iron rod guide pipe (3021) and extends into the lower section cavity; the clamping piece (304) is fixedly arranged at the lower end of the iron rod (301), and the valve core spring (303) is sleeved on the iron rod (301) between the clamping piece (304) and the partition plate (302); the corrugated pipe fitting (305) comprises a corrugated pipe sealing piece (3051), a corrugated pipe body (3052) and a corrugated pipe sealing head (3053), and the corrugated pipe sealing head (3053) is fixedly connected with the clamping piece (304).

7. A high power drain valve according to claim 5 or 6, wherein: and a lower end bulge (2142) which is used for extending into the magnetic collection rod spring (213) is arranged on the lower end surface of the solid magnetic collection rod (214).

8. A high power drain valve according to claim 5 or 6, wherein: the solid magnetic collecting rod (214) is made of a solid iron rod.

9. A high power drain valve according to claim 5 or 6, wherein: at least two positioning strips (204) protruding out of the upper bottom surface are arranged on the upper bottom surface of the valve seat (20), and positioning grooves (122) or positioning holes are arranged on the lower sheet (12) at positions corresponding to the positioning strips (204).