Rotary connection type pipeline locking electromagnetic valve

Abstract

The utility model discloses a rotary connection type pipeline locking electromagnetic valve which comprises a valve body, an electromagnetic assembly fixedly connected with the valve body is arranged on the valve body, an iron core inner sleeve assembly is arranged in the electromagnetic assembly, a sealing assembly is arranged in the valve body, and the iron core inner sleeve assembly is arranged towards the sealing assembly. A water inlet channel and a water outlet channel are arranged at the two ends of the valve body respectively, and waterway pipes are installed on the water inlet channel and the water outlet channel. A screwing assembly for connecting the water inlet channel and the waterway pipe is arranged between the water inlet channel and the waterway pipe, and a screwing assembly for connecting the water outlet channel and the waterway pipe is also arranged between the water outlet channel and the waterway pipe; the screwing assembly comprises a screwing pipe claw, and the screwing pipe claw is in threaded connection with the valve body. The screwing assembly is arranged between the valve body and the waterway pipe, and the valve body is in threaded connection through the screwing pipe claw, so that the valve body and the waterway pipe are stably connected, and the use is safe and reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electromagnetic valve, concretely relates to a screwed pipe locking electromagnetic valve. BACKGROUND

[0002] At present, the electromagnetic valve applied to household appliances is very extensive in the market, and in the actual application scene, the reliability of the electromagnetic valve and the water pipe connection is a great test in the state of long-term opening and closing work of the electromagnetic valve in the actual application scene, with the increasing requirement of the market on the performance and reliability of the electromagnetic valve, the existing connection mode of the electromagnetic valve and the water pipe has the possibility of loosening. The patent with the publication number CN210743868U discloses a high-voltage switch in the prior art, which comprises a mounting seat, a mounting cover provided with a switch component, and a diaphragm located between the mounting seat and the mounting cover. The mounting seat is provided with a liquid flow channel. The mounting seat is provided with a pipe claw, a baffle, a sealing ring and a support from outside to inside along the axial direction of the liquid flow channel. The pipe claw is clamped in the liquid flow channel of the mounting seat. Since the pipe claw and the mounting seat are clamped with each other, the two connections are not stable enough, and there is a risk of loosening. Therefore, a screwed pipe locking electromagnetic valve needs to be designed to overcome the above difficulties. SUMMARY

[0003] The utility model discloses in view of prior art's existing problem, designs a kind of screwed pipe locking electromagnetic valve, the utility model discloses a screwed pipe locking electromagnetic valve is provided between valve main body and water pipe, and screwed pipe claw is connected with valve main body by screwing, to connect valve main body and water pipe stably, it is safe and reliable to use.

[0004] The utility model discloses a screwed pipe locking electromagnetic valve, including valve main body, be equipped with the electromagnetic subassembly of fixed connection with it on valve main body, be equipped with the iron core inner cover subassembly in the electromagnetic subassembly, be equipped with the sealing subassembly in the valve main body, iron core inner cover subassembly is towards sealing subassembly setting;Two ends of the valve main body are equipped with water inlet channel and water outlet channel respectively, and water inlet channel and water outlet channel are all installed with water pipe;Water inlet channel and water pipe between are equipped with the screwed pipe claw of connecting both, water outlet channel and water pipe between are also equipped with the screwed pipe claw of connecting both;Screwed pipe claw includes screwed pipe claw, and screwed pipe claw is connected with valve main body by screwing.

[0005] As preferred, the valve main body is provided with a back pressure chamber, and the back pressure chamber is provided with a sealing assembly; the water inlet channel is provided with a water inlet chamber, and the water outlet channel is provided with a water outlet chamber; the back pressure chamber is arranged above the water inlet chamber and the water outlet chamber; the sealing assembly comprises a sealing ring body and a sealing ring holder; the iron core inner cover subassembly comprises a reset spring, an iron core body, an inner cover body and a rubber core; the iron core inner cover subassembly is arranged in the electromagnetic assembly; the rubber core is installed at the end of the iron core body; and the rubber core is arranged adjacent to the sealing ring holder.

[0006] As preferred, the electromagnetic assembly comprises an upper support and a lower support, and a resistance coil is installed between the upper support and the lower support; the upper support and the lower support are snap-connected, and the lower support and the valve body are connected through a screw; an iron core inner sleeve assembly is installed in the electromagnetic assembly, and the iron core body can be extended and retracted relative to the sealing assembly when the resistance coil is electrified.

[0007] As preferred, the electromagnetic assembly is provided with an inner sleeve body, and an iron core body is installed in the inner sleeve body; a reset spring is arranged between the iron core body and the inner sleeve body, and a rubber core is installed at the end of the iron core body; the rubber core is arranged adjacent to a sealing ring holder; a sealing ring body is installed on the sealing ring holder, and a central hole position is arranged on the sealing ring holder, and the rubber core abuts against the central hole position in a default state; an eccentric hole position is further arranged on the sealing ring holder, and the eccentric hole position is communicated with the back pressure chamber and the water inlet chamber; the edge of the sealing ring body is arranged in abutment with the valve body, and a through hole communicated with the eccentric hole position is arranged on the sealing ring body; a tower spring is arranged between the sealing ring holder and the inner sleeve body, and one end of the tower spring abuts against the sealing ring holder, and the other end of the tower spring abuts against the inner sleeve body.

[0008] In a default state, the electromagnetic assembly of the electromagnetic valve is in a power-off state, and the fluid medium enters the water inlet chamber through the water inlet channel, and at this time, the central hole position on the sealing ring holder is blocked by the rubber core, and the fluid medium herein is water flow by default; under the action of water pressure, part of the water flow enters the back pressure chamber through the eccentric hole position on the sealing ring holder, so as to form a certain pressure in the back pressure chamber. When the electromagnetic assembly of the electromagnetic valve is electrified, the electromagnetic field force formed by the electromagnetic assembly makes the iron core body lift, so that the rubber core is separated from the central hole position; the flow medium in the back pressure chamber is discharged through the central hole position, so that the water pressure in the back pressure chamber is attenuated, and the water pressure in the water inlet chamber lifts the sealing ring body, so that the sealing ring body is separated from the water seal in the valve body; then the water flow enters the water outlet chamber along the water seal from the water inlet chamber, and then flows out along the water outlet channel.

[0009] As preferred, the screwing assembly further comprises an O-ring, which is arranged between the waterway pipe and the valve body; the screwing pipe claw is integrally formed; the screwing pipe claw is an injection molding part, and the O-rings are arranged in pairs. The screwing pipe claw is integrally formed, and the overall structure is more stable, thereby improving the overall stability of the electromagnetic valve.

[0010] As preferred, the screwing pipe claw is provided with a plurality of sheet-shaped locks uniformly distributed in a circle, and each sheet-shaped lock is separately arranged; the sheet-shaped lock can be elastically deformed relative to the screwing pipe claw. When the screwing pipe claw is connected with the valve body, the sheet-shaped lock clamps the waterway pipe, so that the water flow pipe is stably connected with the valve body.

[0011] Preferably, the pipe claw is hollow, and each of the sheet-shaped lock catches is provided with a metal lock piece on an inner wall thereof, and the metal lock piece has a front inclination angle of 35-40 degrees. The metal lock piece further enhances the stability of the sheet-shaped lock catch, and increases the friction between the pipe claw and the water flow pipe, so that the connection between the valve body and the water flow pipe is more stable.

[0012] Preferably, the pipe claw is hollow, and each of the sheet-shaped lock catches is provided with a metal lock piece on an inner wall thereof, and the metal lock piece has a front inclination angle of 35-40 degrees. The metal lock piece further enhances the stability of the sheet-shaped lock catch, and increases the friction between the pipe claw and the water flow pipe, so that the connection between the valve body and the water flow pipe is more stable.

[0013] Preferably, the pipe claw is hollow, and each of the sheet-shaped lock catches is provided with a metal lock piece on an inner wall thereof, and the metal lock piece has a front inclination angle of 35-40 degrees. The metal lock piece further enhances the stability of the sheet-shaped lock catch, and increases the friction between the pipe claw and the water flow pipe, so that the connection between the valve body and the water flow pipe is more stable.

[0014] Compared with the prior art, the utility model has the advantages that: 1, the pipe claw is integrally formed, so that the structure is more stable and reliable, and the overall stability of the electromagnetic valve is better; 2, the water flow pipe is conveniently disassembled and assembled by the threaded connection between the pipe claw and the valve body; and 3, the sheet-shaped lock catch and the metal lock piece are arranged on the pipe claw, so that the connection between the water flow pipe and the valve body is more stable and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of the utility model;

[0016] Figure 2 It is an explosion view of the utility model;

[0017] Figure 3 It is an internal structure view of the utility model;

[0018] Figure 4 It is a perspective view of the pipe claw;

[0019] Figure 5 It is an internal structure view of the pipe claw;

[0020] Figure 6 It is a schematic view of the sealing assembly;

[0021] Figure 7 It is a schematic view of the sealing ring holder;

[0022] Marked in the figure: 1, valve body; 2, electromagnetic assembly; 21, upper support; 22, lower support; 23, resistance coil; 3, iron core inner sleeve assembly; 31, reset spring; 32, iron core body; 33, inner sleeve body; 34, rubber core; 35, tower-shaped spring; 4, sealing assembly; 41, sealing ring body; 42, sealing ring holder; 43, center hole position; 44, eccentric hole position; 5, water inlet channel; 51, water inlet chamber; 6, water outlet channel; 61, water outlet chamber; 7, waterway pipe; 8, screw joint assembly; 81, screw joint pipe claw; 82, O-ring; 83, sheet-shaped lock; 84, metal lock plate; 85, anti-slip pattern; 86, protrusion; 9, back pressure chamber; 10, conical connecting part. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the embodiments shown in the drawings:

[0024] As Figures 1 to 7 shown, the embodiment discloses a screw joint type pipeline locking electromagnetic valve, which comprises a valve body 1, the valve body 1 is provided with an electromagnetic assembly 2 fixedly connected therewith, the electromagnetic assembly 2 is provided with an iron core inner sleeve assembly 3, the valve body 1 is provided with a sealing assembly 4, and the iron core inner sleeve assembly 3 is arranged towards the sealing assembly 4;Two ends of the valve body 1 are respectively provided with a water inlet channel 5 and a water outlet channel 6, the water inlet channel 5 and the water outlet channel 6 are both provided with a waterway pipe 7;The water inlet channel 5 and the waterway pipe 7 are provided with a screw joint assembly 8 connecting both, and the water outlet channel 6 and the waterway pipe 7 are also provided with a screw joint assembly 8 connecting both;The screw joint assembly 8 comprises a screw joint pipe claw 81, and the screw joint pipe claw 81 is screw-connected with the valve body 1.

[0025] The valve body 1 is provided with a back pressure chamber 9, and the back pressure chamber 9 is provided with a sealing assembly 4; the water inlet channel 5 is provided with a water inlet chamber 51, the water outlet channel 6 is provided with a water outlet chamber 61, and the back pressure chamber 9 is arranged above the water inlet chamber 51 and the water outlet chamber 61; the sealing assembly 4 comprises a sealing ring body 41 and a sealing ring holder 42, the iron core inner sleeve assembly 3 comprises a reset spring 31, an iron core body 32, an inner sleeve body 33 and a rubber core 34; the iron core inner sleeve assembly 3 is arranged in the electromagnetic assembly 2, the rubber core 34 is installed at the end of the iron core body 32, and the rubber core 34 is arranged adjacent to the sealing ring holder 42. The electromagnetic assembly 2 comprises an upper support 21 and a lower support 22, and the upper support 21 and the lower support 22 are provided with a resistance coil 23; the upper support 21 and the lower support 22 are buckled and connected, and the lower support 22 and the valve body 1 are connected through screws; the electromagnetic assembly 2 is provided with the iron core inner sleeve assembly 3, and the iron core body 32 can be stretched and contracted relative to the sealing assembly 4 when the resistance coil 23 is electrified. The electromagnetic assembly 2 is provided with the inner sleeve body 33, and the inner sleeve body 33 is provided with the iron core body 32; the iron core body 32 and the inner sleeve body 33 are provided with the reset spring 31, the end of the iron core body 32 is provided with the rubber core 34, and the rubber core 34 is arranged adjacent to the sealing ring holder 42; the sealing ring holder 42 is provided with the sealing ring body 41, and the sealing ring holder 42 is provided with a center hole 43, and the rubber core 34 abuts against the center hole 43 in the default state; the sealing ring holder 42 is further provided with an eccentric hole 44, and the eccentric hole 44 communicates the back pressure chamber 9 and the water inlet chamber 51; the edge of the sealing ring body 41 is arranged in close contact with the valve body 1, and the sealing ring body 41 is provided with a through hole communicating with the eccentric hole 44; the sealing ring holder 42 and the inner sleeve body 33 are provided with a tower-shaped spring 35, one end of the tower-shaped spring 35 abuts against the sealing ring holder 42, and the other end of the tower-shaped spring 35 abuts against the inner sleeve body 33.

[0026] The screwing assembly 8 further comprises an O-shaped ring 82 arranged between the waterway pipe 7 and the valve body 1; the screwing pipe claw 81 is integrally formed; the screwing pipe claw 81 is an injection molding part, and the O-shaped ring 82 is arranged in pairs. The screwing pipe claw 81 is provided with a plurality of sheet-shaped buckles 83 uniformly distributed in a circle, and each sheet-shaped buckle 83 is arranged separately; the sheet-shaped buckle 83 can be elastically deformed relative to the screwing pipe claw 81. The screwing pipe claw 81 is hollow, and the inner wall of each sheet-shaped buckle 83 is provided with a metal lock piece 84, and the front inclination angle of the metal lock piece 84 is 35-40 degrees. The outer wall of the screwing pipe claw 81 is provided with circumferentially distributed anti-skid lines 85; the screwing pipe claw 81 is further provided with circumferentially distributed protrusions 86, and the protrusions 86 are arranged between the screwing pipe claw 81 and the valve body 1. The valve body 1 is provided with a conical connecting part 10 at each opening end, and the outer shape of the conical connecting part 10 is matched with the outer shape of the screwing pipe claw 81.

[0027] The specific operation process of the embodiment is as follows: in the default state, the electromagnetic assembly 2 of the electromagnetic valve is in the power-off state, the fluid medium enters the water inlet chamber 51 through the water inlet channel 5, at this time the center hole position 43 on the sealing ring holder 42 is blocked by the rubber core 34, and the fluid medium here is water flow by default; under the action of water pressure, part of the water flows into the back pressure chamber 9 through the eccentric hole position 44 on the sealing ring holder 42, so as to form a certain pressure in the back pressure chamber 9. When the electromagnetic assembly 2 of the electromagnetic valve is powered on, the electromagnetic field force formed by the electromagnetic assembly 2 makes the iron core body 32 lift, so that the rubber core 34 is separated from the center hole position 43; the flow medium in the back pressure chamber 9 flows through the center hole position 43, so that the water pressure in the back pressure chamber 9 is attenuated, and the water pressure in the water inlet chamber 51 lifts the sealing ring body 41, so that the sealing ring body 41 is separated from the water seal of the valve body 1; then the water flow enters the water outlet chamber 61 along the water seal from the water inlet chamber 51, and then flows out along the water outlet channel 6. When the threaded connection claw 81 is threadedly connected with the valve body 1, the sheet-shaped lock buckles 83 are close to each other along the waterway pipe 7, so that the threaded connection claw 81 can apply a pre-tightening force to the waterway pipe 7 through the conical connecting part 10; after the threaded connection claw 81 is threadedly connected with the valve body 1, the waterway pipe 7 can be completely and reliably locked and is not easy to be loosened, so as to improve the overall reliability of the electromagnetic valve.

[0028] The specific embodiments described in the specification are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A screwed pipe locking solenoid valve, comprising a valve body (1), an electromagnetic assembly (2) fixedly connected to the valve body (1), and an iron core inner sleeve assembly (3) arranged in the electromagnetic assembly (2), characterized in that, The valve body (1) is provided with a sealing assembly (4), and the iron core inner sleeve assembly (3) is arranged towards the sealing assembly (4); the two ends of the valve body (1) are respectively provided with a water inlet channel (5) and a water outlet channel (6), and the water inlet channel (5) and the water outlet channel (6) are both provided with a waterway pipe (7); the water inlet channel (5) and the waterway pipe (7) are provided with a screw connection assembly (8) connecting the two, and the water outlet channel (6) and the waterway pipe (7) are also provided with a screw connection assembly (8) connecting the two; the screw connection assembly (8) comprises a screw connection pipe claw (81), and the screw connection pipe claw (81) is in threaded connection with the valve body (1).

2. The spin-on line lock solenoid valve according to claim 1, wherein The valve body (1) is provided with a back pressure chamber (9), and the back pressure chamber (9) is provided with a sealing assembly (4); the water inlet channel (5) is provided with a water inlet chamber (51), the water outlet channel (6) is provided with a water outlet chamber (61), and the back pressure chamber (9) is arranged above the water inlet chamber (51) and the water outlet chamber (61); the sealing assembly (4) comprises a sealing ring body (41) and a sealing ring frame (42), the iron core inner sleeve assembly (3) comprises a reset spring (31), an iron core body (32), an inner sleeve body (33) and a rubber core (34); the iron core inner sleeve assembly (3) is arranged in the electromagnetic assembly (2), the rubber core (34) is arranged at the end of the iron core body (32), and the rubber core (34) is arranged adjacent to the sealing ring frame (42).

3. The spin-on line lock solenoid valve according to claim 2, wherein The electromagnetic assembly (2) comprises an upper support (21) and a lower support (22), and the upper support (21) and the lower support (22) are provided with a resistance coil (23); the upper support (21) and the lower support (22) are buckled and connected, and the lower support (22) and the valve body (1) are connected through screws; the electromagnetic assembly (2) is provided with the iron core inner sleeve assembly (3), and the iron core body (32) can be telescopic relative to the sealing assembly (4) when the resistance coil (23) is electrified.

4. The spin-on line lock solenoid valve according to claim 3, wherein The electromagnetic assembly (2) is internally provided with an inner sleeve body (33), and the inner sleeve body (33) is internally provided with a core body (32); a reset spring (31) is arranged between the core body (32) and the inner sleeve body (33), and the core body (32) is provided with a rubber core (34) at the end, and the rubber core (34) is arranged adjacent to a sealing ring holder (42); the sealing ring holder (42) is provided with a sealing ring body (41), and the sealing ring holder (42) is provided with a center hole (43), and the rubber core (34) is abutted on the center hole (43) in the default state; the sealing ring holder (42) is further provided with an eccentric hole (44), and the eccentric hole (44) is communicated with the back pressure chamber (9) and the water inlet chamber (51); the edge of the sealing ring body (41) is arranged in abutment with the valve body (1), and the sealing ring body (41) is provided with a through hole communicated with the eccentric hole (44); the sealing ring holder (42) and the inner sleeve body (33) are provided with a tower spring (35), one end of the tower spring (35) is abutted on the sealing ring holder (42), and the other end of the tower spring (35) is abutted on the inner sleeve body (33).

5. The spin-on line lock solenoid valve of claim 1, wherein, The screwing assembly (8) further comprises an O-shaped ring (82), which is arranged between the waterway pipe (7) and the valve body (1); the screwing pipe claw (81) is integrally formed; the screwing pipe claw (81) is an injection molding part, and the O-shaped ring (82) is arranged in pairs.

6. The spin-on line lock solenoid valve according to claim 5, wherein The screwing pipe claw (81) is provided with a plurality of sheet-shaped buckles (83) uniformly distributed in a circle, and each sheet-shaped buckle (83) is arranged separately; the sheet-shaped buckle (83) can be elastically deformed relative to the screwing pipe claw (81).

7. The spin-on line lock solenoid valve according to claim 6, wherein The screwing pipe claw (81) is hollow, and the inner wall of each sheet-shaped buckle (83) is provided with a metal locking piece (84), and the front inclination angle of the metal locking piece (84) is 35-40 degrees.

8. The spin-on line lock solenoid valve of claim 5, wherein, The outer wall of the screwing pipe claw (81) is provided with circumferentially distributed anti-skid lines (85); the screwing pipe claw (81) is further provided with circumferentially distributed protrusions (86), and the protrusions (86) are arranged between the screwing pipe claw (81) and the valve body (1).

9. The spin-on line lock solenoid valve of claim 5, wherein, The valve body (1) is provided with a conical connecting portion (10) on each of the two open ends, and the outer shape contour of the conical connecting portion (10) is matched with the outer shape contour of the screwing pipe claw (81).

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