CN212804331U - Valve core of electromagnet for valve - Google Patents

Abstract

The utility model relates to a case of electro-magnet for valve, it includes valve body and electro-magnet, first cell body has been seted up on the wall that the valve body is used for installing the electro-magnet, the second cell body has been seted up on the wall that the valve body deviates from the electro-magnet, first cell body is linked together with the second cell body, the position that is close to the second cell body in the first cell body is provided with the inner core, be provided with outer core in the second cell body, the feed liquor hole has been seted up on the outer wall of inner core, the core hole that link up and be linked together with the feed liquor hole is seted up to the inside of inner core, set up the inlet that corresponds the intercommunication with the feed liquor hole on the adjacent wall of valve body and electro-magnet, install the feed liquor check valve on the inlet, set up the liquid outlet that link up and correspond the intercommunication with the core hole on the outer core, install out liquid check valve on the liquid outlet. The liquid flow control valve has the effect of accurately controlling the liquid flow in the valve body.

Description

Valve core of electromagnet for valve

Technical Field

The application relates to the field of electromagnets for valves, in particular to a valve core of an electromagnet for a valve.

Background

The valve electromagnet is matched with various valve bodies for use, electric energy is converted into mechanical energy, the valve body is pushed to act by utilizing the suction force generated by the electromagnet, the purpose of opening, closing or reversing a valve port is realized, and the liquid flow in and out of the valve body is controlled.

The valve electromagnet is mainly used for controlling the opening and closing of the valve body in the process of matching with various valve bodies to realize the inlet and outlet of liquid flow in the valve body, but the flow of the liquid flow cannot be accurately controlled.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the liquid flow in the valve body cannot be accurately controlled, the application provides a valve core of an electromagnet for a valve.

The application provides a case of valve electro-magnet for valve adopts following technical scheme:

a valve core of an electromagnet for a valve comprises a valve body and the electromagnet for mounting the valve body, wherein a first groove body is formed in the wall surface of the valve body for mounting the electromagnet, a second groove body is formed in the wall surface of the valve body, which is far away from the electromagnet, the first groove body is communicated with the second groove body, an inner core is arranged at the position, close to the second groove body, in the first groove body, an outer core is arranged in the second groove body, a liquid inlet hole is formed in the outer wall of the inner core, a core hole which is communicated with the liquid inlet hole and is communicated with the liquid inlet hole is formed in the inner core, a liquid inlet which is communicated with the liquid inlet hole in a corresponding mode is formed in one wall surface, adjacent to the electromagnet, of the valve body, a liquid inlet check valve is arranged on the liquid inlet, a liquid outlet which is communicated with the core hole in, one end of the push rod is inserted into the core hole, the other end of the push rod is provided with a push plate, and a reset piece for realizing reset of the push rod is arranged in the first groove body.

Through adopting above-mentioned technical scheme, during the use, with feed liquor check valve and play liquid check valve and external pipe connection, the electro-magnet does not provide push rod thrust at first, at this moment under the effect of piece that resets, order about the push rod and remove towards the one side of keeping away from outer core, make the push rod keep away from the tip of push pedal and remove to the one side that outer core was kept away from in the feed liquor hole, at this in-process, certain negative pressure is produced in the core hole, thereby the liquid stream is under the effect of pressure differential, it is downthehole that feed liquor check valve and feed liquor inflow, then flow in core hole and play liquid mouth, the electro-magnet provides push rod thrust this moment, promote the push rod towards one side of outer core, thereby the push rod promotes core hole and the interior liquid stream of play liquid mouth, alright make the liquid stream discharge from a liquid check valve, with this business turn over of accomplishing.

Preferably, the diameter of second cell body is greater than the diameter of first cell body, the outer fringe of inner core cooperatees with the cell wall of first cell body, just the outer fringe of outer core and the cell wall screw-thread fit of second cell body, the face that outer core and inner core are close to each other is laminated mutually, be provided with in the first cell body and carry out spacing locating part to the position of inner core, the locating part includes spacing bead, spacing bead sets up on the internal perisporium of first cell body, one side that outer core was kept away from to the inner core is seted up along the periphery and is contradicted the spacing annular of complex with spacing bead.

Through adopting above-mentioned technical scheme, can be with the inner core from the second cell body in the first cell body of packing into, and the adjustment inner core makes feed liquor hole and inlet corresponding, the inner core receives the restriction of spacing bead this moment, can't continue to remove towards first cell body, then to the outer core of packing into in the second cell body, because the outer fringe of outer core and the cell wall screw-thread fit of second cell body, thereby can fix outer core, and the face that outer core and inner core are close to each other is laminated mutually, alright firmly restrict the position of inner core, the liquid outlet is corresponding with the core hole this moment, with this installation of accomplishing inner core and outer core in the valve body.

Preferably, the piece that resets includes reset spring, reset spring cover is established on the push rod, reset spring's one end is contradicted and is set up in the push pedal, and the other end is contradicted and is set up on the spacing bead.

Through adopting above-mentioned technical scheme, the piston rod of electro-magnet stretches out, promotes the push rod towards one side of outer core, and reset spring is compressed this moment, and when the piston rod of electro-magnet retracted in the electro-magnet, the push rod lost the promotion of electro-magnet piston rod, under reset spring's elastic force effect, orders about the push rod and removes towards the one side of keeping away from outer core, realizes the automatic re-setting of push rod.

Preferably, the outer wall of the inner core is provided with a liquid inlet flow channel along the periphery at the position of the liquid inlet hole.

By adopting the technical scheme, after the liquid flow flows into the liquid inlet flow channel through the liquid inlet, the liquid flow flows into the liquid inlet hole, so that the transition of the liquid flow between the liquid inlet and the liquid inlet hole is realized, the liquid flow flows into the liquid inlet hole from the liquid inlet better, and the situation that the liquid inlet hole is not aligned with the liquid inlet when the inner core is installed is reduced, and the liquid flow cannot flow into the liquid inlet hole from the liquid inlet.

Preferably, the outer core has seted up sealed heavy groove along the liquid outlet periphery on the wall towards the inner core, sealed heavy inslot is embedded to be equipped with sealed the pad, sealed pad and inner core conflict setting.

Through adopting above-mentioned technical scheme, sealed the pad and play sealed effect between outer core and the inner core to reduce the condition that the in-process that the liquid stream flowed into the liquid outlet from the core hole takes place to leak.

Preferably, one side that lies in the feed liquor hole on the outer wall of inner core and keep away from outer core has seted up first sealed annular along the periphery, the embedded first sealing washer that is equipped with of first sealed annular, first sealing washer is contradicted with the inner wall of first cell body and is set up.

Through adopting above-mentioned technical scheme, first sealing washer plays to the sealed effect between inner core outer wall and the first cell body cell wall to reduce the condition of the interior seepage of liquid stream inflow feed channel back first cell body.

Preferably, a second sealing ring groove is formed in the groove bottom of the limiting ring groove along the periphery, a second sealing ring is embedded into the second sealing ring groove, and the second sealing ring is abutted to the limiting convex edge.

Through adopting above-mentioned technical scheme, the second sealing washer plays the sealed effect to between spacing annular groove tank bottom and the spacing bead, further reduces the condition of the internal seepage of liquid flow direction first cell.

Preferably, a third sealing ring groove is formed in the hole wall, away from one side of the outer core, of the core hole along the periphery, a third sealing ring is embedded into the third sealing ring groove, and the third sealing ring is abutted to the outer wall of the push rod.

Through adopting above-mentioned technical scheme, the third sealing washer plays the sealed effect between core hole pore wall and the push rod outer wall to reduce the circumstances that the downthehole liquid stream of core flows back to first cell in vivo.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the flow of the liquid flow can be accurately controlled while the liquid flow enters and exits in the valve body;

2. the reset spring can realize the automatic reset of the push rod so as to realize the automatic telescopic function of the push rod by matching with a piston rod of the electromagnet;

3. the liquid inlet flow channel realizes the transition of liquid flow between the liquid inlet and the liquid inlet hole, so that the liquid flow can better flow into the liquid inlet hole from the liquid inlet, and the condition that the liquid inlet hole is not aligned with the liquid inlet when the inner core is installed, so that the liquid flow can not flow into the liquid inlet hole from the liquid inlet is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a structural sectional view for embodying the interior of the valve body in the present embodiment.

Fig. 3 is a schematic structural diagram for embodying the inner core in this embodiment.

Description of reference numerals: 11. an electromagnet; 12. a valve body; 121. a first tank body; 1211. a limiting convex rib; 122. a second tank body; 123. a liquid inlet; 1231. a liquid inlet check valve; 13. an inner core; 131. a liquid inlet hole; 132. a core hole; 1321. a third seal ring groove; 133. a liquid inlet flow channel; 134. a limiting ring groove; 1341. a second seal ring groove; 135. a first seal ring groove; 14. an outer core; 141. a liquid outlet; 1411. a liquid outlet one-way valve; 142. sealing the sinking groove; 15. a push rod; 16. pushing the plate; 17. a return spring; 18. a gasket; 19. a first seal ring; 20. a second seal ring; 21. and a third sealing ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a valve core of an electromagnet for a valve. Referring to fig. 1 and 2, the valve core of the valve electromagnet comprises a valve body 12 and an electromagnet 11 for installing the valve body 12, the valve body 12 is square, the valve body 12 and the electromagnet 11 are fixed by bolts, a first groove 121 is formed in the middle of the wall surface of the valve body 12 for installing the electromagnet 11, a second groove 122 is formed in the middle of the wall surface of the valve body 12 away from the electromagnet 11, the first groove 121 is communicated with the second groove 122, the first groove 121 and the second groove 122 are circular grooves, and the diameter of the second groove 122 is larger than that of the first groove 121.

Referring to fig. 2 and 3, an inner core 13 is disposed in the first groove body 121 at a position close to the second groove body 122, an outer peripheral wall of the inner core 13 is matched with a groove wall of the first groove body 121, and a limiting member is disposed in the first groove body 121 at a side of the inner core 13 away from the second groove body 122, so as to limit the position of the inner core 13 and prevent the inner core 13 from moving towards the first groove body 121. The limiting member includes a limiting convex bead 1211, the limiting convex bead 1211 is fixedly disposed along the inner peripheral wall of the first groove body 121, a limiting ring groove 134 is formed along the periphery on the outer wall of one side, away from the second groove body 122, of the inner core 13, the limiting convex bead 1211 is abutted against the groove bottom of the limiting ring groove 134, so that when the inner core 13 is loaded into the first groove body 121 through the second groove body 122, the groove bottom of the limiting ring groove 134 is limited by the limiting convex bead 1211 and cannot move continuously towards the first groove body 121, and at this time, the wall surface of the inner core 13 facing the second groove body 122 is flush with the communication surface of the first groove body 121 and the second groove body 122.

Referring to fig. 2 and 3, a liquid inlet channel 133 is formed in the outer wall of the inner core 13 along the periphery, a core hole 132 penetrating through the entire inner core 13 is formed in the middle of the wall surface of the inner core 13 facing the second groove 122, a liquid inlet hole 131 communicating the liquid inlet channel 133 with the core hole 132 is formed in the inner core 13, a liquid inlet 123 is formed in any wall surface of the valve body 12 adjacent to the electromagnet 11, the liquid inlet 123 is communicated with the liquid inlet channel 133, a liquid inlet check valve 1231 is installed on the liquid inlet 123 in a threaded manner, and liquid flowing into the liquid inlet 123 cannot flow back through the liquid inlet check valve 1231.

Referring to fig. 2 and 3, a first sealing ring groove 135 is formed in the outer wall of the inner core 13 between the liquid inlet channel 133 and the limiting ring groove 134 along the periphery, and a first sealing ring 19 is embedded in the first sealing ring groove 135; meanwhile, a second sealing ring groove 1341 is formed in the groove bottom of the limiting ring groove 134 along the periphery, and a second sealing ring 20 is embedded in the second sealing ring groove 1341, so that when the inner core 13 is installed in the first groove body 121, the first sealing ring 19 abuts against the groove wall of the first groove body 121, sealing between the outer wall of the inner core 13 and the groove wall of the first groove body 121 can be achieved, meanwhile, the second sealing ring 20 abuts against the limiting convex rib 1211, sealing between the groove bottom of the limiting ring groove 134 and the limiting convex rib 1211 can be achieved, and the situation that liquid flows into the liquid inlet flow channel 133 and then leaks into the first groove body 121 is reduced.

Referring to fig. 2 and 3, an internal thread is provided on a groove wall of the second groove body 122, the outer core 14 is provided in the second groove body 122, and an external thread matched with the internal thread is provided on an outer wall of the outer core 14, so that the outer core 14 can be screwed into the second groove body 122 to fix the outer core 14, and at this time, the surfaces of the outer core 14 and the inner core 13 close to each other are attached to each other, so that the position of the inner core 13 can be firmly limited. The middle part of the wall surface of the outer core 14 facing the inner core 13 is provided with a liquid outlet 141 penetrating the whole outer core 14, the liquid outlet 141 is correspondingly communicated with the core hole 132, the aperture of the liquid outlet 141 is the same as that of the core hole 132, a liquid outlet one-way valve 1411 is mounted on the liquid outlet 141 through a thread, and liquid flowing out of the liquid outlet 141 cannot flow back into the core hole 132 through the liquid outlet one-way valve 1411.

Referring to fig. 2 and 3, a sealing sinking groove 142 is formed in the wall surface of the outer core 14 facing the inner core 13 along the periphery of the liquid outlet 141, a sealing gasket 18 is embedded in the sealing sinking groove 142, the sealing gasket 18 is fixedly bonded to the bottom of the sealing sinking groove 142, when the surfaces of the outer core 14 and the inner core 13 close to each other are attached, the sealing gasket 18 is compressed between the outer core 14 and the inner core 13, sealing between the outer core 14 and the inner core 13 can be achieved, and therefore leakage of liquid flow in the process of flowing into the liquid outlet 141 from the core hole 132 is reduced.

Referring to fig. 2 and 3, a push rod 15 is disposed on one side of the first groove 121 away from the second groove 122, an outer wall of the push rod 15 is matched with a hole wall of the core hole 132, one end of the push rod 15 is inserted into the core hole 132, a circular push plate 16 is fixedly disposed at the other end of the push rod 15, a reset member is disposed on the push rod 15, the reset member includes a reset spring 17, the reset spring 17 is sleeved on the push rod 15, one end of the reset spring 17 is abutted against the push plate 16, and the other end is abutted against the limiting rib 1211.

Referring to fig. 2 and 3, a third sealing ring groove 1321 is formed in the hole wall of the core hole 132 along the periphery, the third sealing ring groove 1321 is located on one side of the liquid inlet hole 131 away from the outer core 14, a third sealing ring 21 is embedded in the third sealing ring groove 1321, and the third sealing ring 21 is abutted against the outer wall of the push rod 15, so that sealing between the hole wall of the core hole 132 and the outer wall of the push rod 15 can be realized, and the situation that liquid flow in the core hole 132 flows back into the first groove body 121 is reduced. Thereby integrally assembling the valve body 12.

Referring to fig. 2 and 3, in use, the assembled valve body 12 is fixed to the base of the electromagnet 11 through bolts, the liquid inlet check valve 1231 and the liquid outlet check valve 1411 are connected to an external pipeline, the electromagnet 11 provides thrust of the push rod 15, the push rod 15 is pushed towards one side of the outer core 14, at this time, the return spring 17 is compressed, then the electromagnet 11 stops providing the pushing force of the push rod 15, after the push rod 15 loses the pushing force of the electromagnet 11, under the action of the elastic force of the return spring 17, the push rod 15 is driven to move towards the side far away from the outer core 14, so that the end of the push rod 15 remote from the push plate 16 moves to the side of the liquid inlet hole 131 remote from the outer core 14, in this process, a certain negative pressure is generated in the core hole 132, so that the liquid flow flows into the liquid inlet channel 133 through the liquid inlet check valve 1231 and the liquid inlet 123 under the action of the pressure difference, and then flows into the core hole 132 and the liquid outlet 141 from the liquid inlet channel 133 through the liquid inlet hole 131.

Referring to fig. 2 and 3, at this time, the electromagnet 11 provides the pushing force of the push rod 15 again, so that the push rod 15 pushes the side of the outer core 14, and thus the push rod 15 pushes the liquid flow in the core hole 132 and the liquid outlet 141, so that the liquid flow can be discharged from the liquid outlet check valve 1411, thereby completing the inlet and outlet of the primary liquid flow in the valve body 12, and in this process, the flow rate of the liquid flow can be precisely controlled.

The implementation principle of the valve core of the valve electromagnet of the embodiment of the application is as follows: when the valve is used, the assembled valve body 12 is fixed with the base of the electromagnet 11 through a bolt, the liquid inlet check valve 1231 and the liquid outlet check valve 1411 are connected with an external pipeline, the electromagnet 11 provides thrust of the push rod 15, the push rod 15 is pushed towards one side of the outer core 14, the return spring 17 is compressed at the moment, then the electromagnet 11 stops providing the thrust of the push rod 15, after the push rod 15 loses the thrust of the electromagnet 11, under the elastic force of the return spring 17, the push rod 15 is driven to move towards one side far away from the outer core 14, so that the end part of the push rod 15 far away from the push plate 16 moves to one side of the liquid inlet hole 131 far away from the outer core 14, in the process, a certain negative pressure is generated in the core hole 132, liquid flows into the liquid inlet flow channel 133 through the liquid inlet check valve 1231 and the liquid inlet 123 under the action of pressure difference, then flows into the core hole 132 and the liquid outlet 141 from the liquid inlet flow channel, the push rod 15 is pushed toward one side of the outer core 14, so that the push rod 15 pushes the liquid flow in the core hole 132 and the liquid outlet 141, and the liquid flow is discharged from the liquid outlet check valve 1411, thereby completing the inlet and outlet of the primary liquid flow in the valve body 12.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A valve cartridge for a valve electromagnet, comprising a valve body (12) and an electromagnet (11) for mounting the valve body (12), characterized in that: the wall surface of the valve body (12) for mounting the electromagnet (11) is provided with a first groove body (121), the wall surface of the valve body (12) departing from the electromagnet (11) is provided with a second groove body (122), the first groove body (121) is communicated with the second groove body (122), an inner core (13) is arranged at a position close to the second groove body (122) in the first groove body (121), an outer core (14) is arranged in the second groove body (122), the outer wall of the inner core (13) is provided with a liquid inlet hole (131), the inner core (13) is internally provided with a core hole (132) which is communicated with the liquid inlet hole (131) in a penetrating way, one wall surface of the valve body (12) adjacent to the electromagnet (11) is provided with a liquid inlet (123) correspondingly communicated with the liquid inlet hole (131), the liquid inlet (123) is provided with a liquid inlet one-way valve (1231), the outer core (14) is provided with a liquid outlet (141) which is communicated with the core hole (132), install out liquid check valve (1411) on liquid outlet (141), be provided with push rod (15) in first cell body (121), the one end of push rod (15) is inserted and is established to core hole (132) in, the other end is provided with push pedal (16), be provided with the piece that resets that realizes push rod (15) and reset in first cell body (121).

2. The valve element of an electromagnet for valves according to claim 1, characterized in that: the diameter of second cell body (122) is greater than the diameter of first cell body (121), the outer fringe of inner core (13) cooperatees with the cell wall of first cell body (121), just the outer fringe of outer core (14) and the cell wall screw-thread fit of second cell body (122), outer core (14) and inner core (13) face that is close to each other are laminated mutually, be provided with in first cell body (121) and carry out spacing locating part to the position of inner core (13), the locating part includes spacing bead (1211), spacing bead (1211) sets up on the internal perisporium of first cell body (121), one side that outer core (14) were kept away from in inner core (13) is seted up along the periphery and is contradicted complex spacing annular (134) with spacing bead (1211).

3. The valve spool of an electromagnet for valves according to claim 2, characterized in that: reset the piece and include reset spring (17), reset spring (17) cover is established on push rod (15), reset spring (17) one end is contradicted and is set up on push pedal (16), and the other end is contradicted and is set up on spacing bead (1211).

4. The valve element of an electromagnet for valves according to claim 1, characterized in that: and a liquid inlet flow channel (133) is formed in the outer wall of the inner core (13) at the position of the liquid inlet hole (131) along the periphery.

5. The valve element of an electromagnet for valves according to claim 1, characterized in that: the wall surface of the outer core (14) facing the inner core (13) is provided with a sealing sinking groove (142) along the periphery of the liquid outlet (141), a sealing gasket (18) is embedded in the sealing sinking groove (142), and the sealing gasket (18) is abutted to the inner core (13).

6. The valve element of an electromagnet for valves according to claim 1, characterized in that: one side that lies in feed liquor hole (131) on the outer wall of inner core (13) and keep away from outer core (14) has seted up first sealed annular (135) along the periphery, embedded first sealing washer (19) that are equipped with of first sealed annular (135), first sealing washer (19) are contradicted with the inner wall of first cell body (121) and are set up.

7. The valve spool of an electromagnet for valves according to claim 2, characterized in that: the tank bottom of spacing annular groove (134) is gone up and has been seted up second seal ring groove (1341) along the periphery, embedded second sealing washer (20) that is equipped with of second seal ring groove (1341), second sealing washer (20) contradict the setting with spacing bead (1211).

8. The valve element of an electromagnet for valves according to claim 1, characterized in that: the core hole (132) is kept away from on the pore wall of outer core (14) one side along the periphery and has been seted up third seal ring groove (1321), the embedded third sealing washer (21) that is equipped with of third seal ring groove (1321), third sealing washer (21) contradicts the setting with the outer wall of push rod (15).

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