CN212616653U

CN212616653U - Self-locking mechanical valve

Info

Publication number: CN212616653U
Application number: CN202021201978.1U
Authority: CN
Inventors: 李学谦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-27
Filing date: 2020-06-27
Publication date: 2021-02-26
Anticipated expiration: 2030-06-27

Abstract

A self-locking mechanical valve comprises a valve seat with an inlet end and an outlet end, wherein a valve cover is arranged on the valve seat, and a diaphragm and a valve core clapboard are sequentially arranged in a cavity formed by the valve seat and the valve cover from bottom to top; a first through hole is formed in the center of the valve cover, an iron core is arranged in the first through hole, an annular groove is formed in the periphery of the first through hole, and a valve core spring and a permanent magnet are arranged in the annular groove; a valve core cover is arranged at the upper end of the valve cover, and an iron core spring is arranged at the upper end of the iron core; an automatic ball pen type pressing mechanism is arranged in the valve core cover, and when the pressing mechanism is locked in a descending mode, the permanent magnet is pressed downwards, so that the iron core is sucked upwards, and the valve is opened; after the pressing mechanism moves upwards, the permanent magnet leaves the iron core, and the iron core moves downwards to close the valve under the action of the iron core spring. The utility model has the advantages of the valve can be kept in the open or close state without being electrified.

Description

Self-locking mechanical valve

Technical Field

The utility model belongs to the technical field of the valve technique and specifically relates to a from locking-type mechanical valve with self-locking function.

Background

The valve that uses on the filter generally adopts the solenoid valve now, and the solenoid valve generally comprises excitation coil, case, quiet iron core, movable iron core, spring and valve body etc. and its theory of operation is: when the excitation coil is not electrified, the sealing head of the movable iron core closes the valve under the action of the compression spring. When the magnet exciting coil is electrified, the electromagnetic force overcomes the acting force of the compression spring, so that the movable iron core moves towards the static iron core, and the valve is opened. The valve can be kept in an open state only under the condition of power-on, so that the problems of high power consumption and high use cost exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems, the utility model provides a self-locking mechanical valve which can keep the valve open or close state without electrifying.

The technical scheme of the utility model is that: the self-locking mechanical valve comprises a valve seat with an inlet end and an outlet end, wherein a valve cover is arranged on the valve seat, and a diaphragm and a valve core clapboard are sequentially arranged in a cavity formed by the valve seat and the valve cover from bottom to top; a first through hole is formed in the center of the valve cover, an iron core is arranged in the first through hole, an annular groove is formed in the periphery of the first through hole, and a valve core spring and a permanent magnet are arranged in the annular groove; a valve core cover is arranged at the upper end of the valve cover, and an iron core spring is arranged at the upper end of the iron core; an automatic ball pen type pressing mechanism is arranged in the valve core cover, and when the pressing mechanism is locked in a descending mode, the permanent magnet is pressed downwards, so that the iron core is sucked upwards, and the valve is opened; after the pressing mechanism moves upwards, the permanent magnet leaves the iron core, and the iron core moves downwards to close the valve under the action of the iron core spring.

As an improvement of the utility model, the pressing mechanism comprises a static ratchet wheel, a movable ratchet wheel and a ratchet wheel seat; the lower bottom of the static ratchet wheel is provided with sawtooth-shaped ratchets, and a plurality of positioning lugs are uniformly distributed on the outer circumferential surface of each ratchet; the upper bottom of the movable ratchet wheel is provided with movable ratchet teeth which are matched with the ratchet teeth of the static ratchet wheel; the ratchet seat is provided with a through hole for the static ratchet rod to pass through, the inner wall of the ratchet seat is provided with a vertical chute consisting of a plurality of resisting parts, the width of the vertical chute is just suitable for the positioning lug of the static ratchet and the extending section of the movable ratchet to slide in, and the resisting parts of the ratchet seat are provided with step surfaces; the static ratchet wheel and the movable ratchet wheel are sleeved in the ratchet wheel seat through a through hole of the ratchet wheel seat, and the lower bottom surface of the movable ratchet wheel is abutted to the upper end of the iron core spring.

As an improvement of the utility model, a rubber cap is arranged on the lower end of the iron core.

As an improvement to the present invention, the valve seat and the valve cover are connected by a fastener.

As an improvement to the present invention, the fastener is a threaded rod.

The utility model has the advantages of the valve can be kept in the open or close state without being electrified.

Drawings

Fig. 1 is a schematic sectional view of an embodiment of the present invention (the valve is in an open state).

Fig. 2 is a schematic diagram of another state of the embodiment shown in fig. 1 (valve process off state).

Fig. 3 is an exploded structural schematic view of the pressing mechanism in fig. 1.

Fig. 4 is a perspective view of fig. 3 after combination.

Fig. 5 is a schematic view of the structure of fig. 3 from another perspective.

Fig. 6 is a schematic perspective view of the embodiment shown in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 6, fig. 1 to 6 disclose a self-locking mechanical valve, which includes a valve seat 1 with an inlet end 11 and an outlet end 12, a valve cover 2 is disposed on the valve seat 1, and a diaphragm 14 and a valve core partition 15 are sequentially disposed from bottom to top in a cavity 13 formed by the valve seat 1 and the valve cover 2; a first through hole 22 is formed in the center of the valve cover 2, an iron core 21 is arranged in the first through hole 22, an annular groove 25 is formed in the periphery of the first through hole 22, and a spool spring 23 and a permanent magnet 24 are arranged in the annular groove 25; a valve core cover 26 is arranged at the upper end of the valve cover 2, and an iron core spring 28 is arranged at the upper end of the iron core 21; an automatic ball pen type pressing mechanism 27 is arranged in the valve core cover 26, when the pressing mechanism 27 is locked in a downward moving mode, the permanent magnet 24 is pressed downwards, the iron core 21 is sucked upwards, and the valve is opened; when the pressing mechanism 27 moves upward, the permanent magnet 24 is separated from the iron core 21, and the iron core 21 moves downward to close the valve under the action of the iron core spring 28 of the iron core 21. In this embodiment, the permanent magnet 24 is an annular permanent magnet with a hole in the center, which is processed by a permanent magnet, and of course, the permanent magnet 24 in this embodiment may also be an annular permanent magnet piece, which is made by embedding a plurality of small permanent magnets on a magnetic conductive ring, so that the cost of the permanent magnet 24 can be reduced.

Preferably, a rubber cap 29 is disposed at the lower end of the iron core 21, so that the service life of the iron core 21 can be prolonged.

Preferably, the valve core cover 26 is connected with the upper end of the valve cover 2 through fastening or threads, so that the valve core cover and the valve cover are convenient to disassemble and assemble.

Preferably, the valve seat 1 and the valve cover 2 are connected by a fastener 16. The fastener 16 is a screw rod, which facilitates the disassembly, assembly and maintenance of the two.

Referring to fig. 3 to 5, the pressing mechanism 27 includes a stationary ratchet 271, a movable ratchet 272, and a ratchet seat 273; the lower bottom of the static ratchet wheel 271 is provided with sawtooth-shaped ratchets 2711, and a plurality of positioning lugs 2712 are uniformly distributed on the outer circumferential surface of the ratchets 2711; the upper bottom of the movable ratchet wheel 272 is provided with movable ratchets 2721 which are matched with the ratchets 2711 of the static ratchet wheel; the ratchet seat 273 is provided with a through hole 2731 through which the static ratchet rod body 2713 passes, the inner wall of the ratchet seat 273 is provided with a vertical chute 2733 formed by a plurality of resisting parts 2732, the width of the vertical chute 2733 can be just suitable for the positioning lug 2712 of the static ratchet wheel 271 and the extending section 2722 of the movable ratchet wheel 272 to slide in, and the resisting part 2732 of the ratchet seat 273 is provided with a step surface 2734; the static ratchet wheel 271 and the movable ratchet wheel 272 are sleeved in the ratchet wheel seat 273 through a through hole 2731 of the ratchet wheel seat 273, and the lower bottom surface of the movable ratchet wheel 272 is abutted to the upper end of the iron core spring 28.

When the utility model is used, the movable ratchet wheel 272 is driven to rotate by pressing the static ratchet wheel rod body 2713, so that the movable ratchet wheel 272 can move back and forth to switch the high and low strokes in the step surface 2734 of the stopping part 2732 of the ratchet wheel seat 273 and the vertical chute 2733; when the valve is in the low position, the movable ratchet 272 and the step surface 2734 of the abutting part 2732 abut against each other, and the permanent magnet 24 moves downward, so that the permanent magnet 24 approaches the iron core 21, the iron core 21 is sucked up, and the valve is opened; when the movable ratchet wheel 272 is at the high position, the extension 2722 of the movable ratchet wheel 272 slides into the vertical chute 2733 of the ratchet wheel seat 273 and abuts against the positioning protrusion 2712 of the ratchet 2711, the permanent magnet 24 is reset by the core spring 23 to move upwards, and the core 21 moves downwards under the action of the core spring 28, so that the valve is closed. The valve is opened or closed by the circulation.

All equivalent changes made by the contents of the specification and the drawings of the utility model are equally covered by the scope of the claims of the utility model without departing from the idea of the utility model.

Claims

1. A self-locking mechanical valve comprises a valve seat (1) with an inlet end (11) and an outlet end (12), wherein a valve cover (2) is arranged on the valve seat (1), and a diaphragm (14) and a valve core clapboard (15) are sequentially arranged in a cavity (13) formed by the valve seat (1) and the valve cover (2) from bottom to top; the method is characterized in that: a first through hole (22) is formed in the center of the valve cover (2), an iron core (21) is arranged in the first through hole (22), an annular groove (25) is formed in the periphery of the first through hole (22), and a valve core spring (23) and a permanent magnet (24) are arranged in the annular groove (25); a valve core cover (26) is arranged at the upper end of the valve cover (2), and an iron core spring (28) is arranged at the upper end of the iron core (21); an automatic ball pen type pressing mechanism (27) is arranged in the valve core cover (26), when the pressing mechanism (27) descends and is locked, the permanent magnet (24) is pressed downwards, so that the iron core (21) is sucked upwards, and the valve is opened; when the pressing mechanism (27) moves upwards, the permanent magnet (24) is separated from the iron core (21), and the iron core (21) moves downwards to close the valve under the action of the iron core spring (28).

2. The self-locking mechanical valve according to claim 1, wherein: the pressing mechanism (27) comprises a static ratchet wheel (271), a dynamic ratchet wheel (272) and a ratchet wheel seat (273); the lower bottom of the static ratchet wheel (271) is provided with sawtooth-shaped ratchets (2711), and a plurality of positioning lugs (2712) are uniformly distributed on the outer circumferential surface of each ratchet (2711); the upper bottom of the movable ratchet wheel (272) is provided with movable ratchets (2721) which are matched with the ratchets (2711) of the static ratchet wheel; the ratchet wheel seat (273) is provided with a through hole (2731) for the static ratchet wheel rod body (2713) to pass through, the inner wall of the ratchet wheel seat is provided with a vertical sliding groove (2733) formed by a plurality of resisting parts (2732), the width of the vertical sliding groove (2733) can be just used for the positioning lug (2712) of the static ratchet wheel (271) and the extending section (2722) of the movable ratchet wheel (272) to slide in, and the resisting parts (2732) of the ratchet wheel seat (273) are provided with step surfaces (2734); the static ratchet wheel (271) and the movable ratchet wheel (272) are sleeved in the ratchet wheel seat (273) through a through hole (2731) of the ratchet wheel seat (273), and the lower bottom surface of the movable ratchet wheel (272) is abutted to the upper end of the iron core spring (28).

3. Self-locking mechanical valve according to claim 1 or 2, characterized in that: and a rubber cap (29) is arranged at the lower end of the iron core (21).

4. Self-locking mechanical valve according to claim 1 or 2, characterized in that: the valve core cover (26) is connected with the upper end of the valve cover (2) through buckling or threads.

5. Self-locking mechanical valve according to claim 1 or 2, characterized in that: the valve seat (1) and the valve cover (2) are connected through a fastener (16).

6. The self-locking mechanical valve according to claim 5, wherein: the fastener (16) is a screw.

7. Self-locking mechanical valve according to claim 1 or 2, characterized in that: the permanent magnet (24) is a ring permanent magnet with a hole in the center, which is processed by a permanent magnet.

8. Self-locking mechanical valve according to claim 1 or 2, characterized in that: the permanent magnet (24) is an annular permanent magnet piece which is made by embedding a plurality of small permanent magnets on a magnetic conductive ring.