CN214617917U - Loose joint double-magnetic self-locking gate valve - Google Patents

Abstract

The utility model relates to a loose joint double-magnetic self-locking gate valve, which relates to a gate valve, belongs to the technical field of pipeline devices, the utility model comprises a valve body, a liquid channel is arranged in the valve body, a flashboard capable of moving up and down is arranged at the middle end part of the liquid channel, a valve rod is screwed on the flashboard, the valve rod is connected with a rotating plate and a positioning plate after passing through the valve body, the lower end part of the positioning plate is provided with a movable space for the movement of the flashboard, four blind holes I are evenly distributed on the positioning plate, a magnet and a magnetic piece are arranged in the blind holes I, a magnetic key is adapted on the rotating plate, a locking nut is arranged at one side of the valve body, a movable connecting pipe is arranged at the inner side of the locking nut, the utility model aims at providing a valve with simple structure, convenient operation and good sealing performance, and the connection between the valve body and the movable connecting pipe is not easy to generate a gap, and the phenomenon of dripping and leakage cannot be generated.

Description

Loose joint double-magnetic self-locking gate valve

Technical Field

The utility model belongs to the technical field of plumbing installation, a gate valve is related to, refer in particular to a loose joint dual magnetism auto-lock gate valve.

Background

At present, gate valves are widely used, and the gate valves become indispensable control components in water supply, heating pipelines, heat supply and gas systems of residential buildings. However, the existing gate valve cannot limit the opening and closing operation in the using process, the opening and closing structure protrudes out of the valve body, a protection device is not provided, the gate valve is easy to damage and steal, and any person who can contact the gate valve can open or close the gate valve randomly, so that the property management difficulty of public utilities and communities is increased.

Valves with locking devices are also widely used on the market. Although different structures of the valve with the lock are available, most of the valves use a mechanical lock body which needs to be opened by a special key. Although the method is relatively safe and reliable, when the installation quantity of the valves with the locks is large and the keys are kept by special persons, the special keys corresponding to the valves cannot be used commonly, so that the keeper is inconvenient to carry all the special keys, and the special keys need to be checked during operation, so that the operation is time-consuming and troublesome. And when the gate valve is connected with a plastic pipeline, the gate valve is very inconvenient, and the joint is easy to leak.

Disclosure of Invention

The utility model aims at providing a simple structure, convenient operation, the leakproofness can be good to be connected between valve body and the loose joint pipe and be difficult for producing the clearance, can not produce the loose joint dual magnetism auto-lock gate valve of water clock phenomenon.

The purpose of the utility model is realized like this:

a movable-joint double-magnetism self-locking gate valve comprises a valve body, wherein a liquid channel is arranged in the valve body, a flashboard capable of moving up and down is arranged at the middle end of the liquid channel, a valve rod is connected on the flashboard in a screwed mode, the valve rod is connected with a rotating plate after penetrating through the valve body, a positioning plate is arranged between the rotating plate and the valve body, a movable space for the movement of the flashboard is arranged at the lower end of the positioning plate, four blind holes I are evenly distributed on the positioning plate, magnets and magnetic pieces are arranged in the blind holes I, the magnets are located at the bottom of the blind holes I, the magnetic pieces are located above the magnets, blind holes II corresponding to the blind holes I are arranged on the rotating plate, the magnetic pieces can move in the blind holes II, a magnetic key is matched on the rotating plate, the rotating plate and the magnetic key are detachably connected through a positioning column and a positioning groove, and the magnetic force of the magnetic key is larger than that of the magnets, one side of valve body is provided with lock nut, lock nut's inboard is provided with the union pipe, one side that lock nut kept away from the flashboard is provided with and keeps off ring one, lock nut is stretched out to union pipe's one end, its other end be provided with keep off the annular convex shoulder of a ring adaptation, just the union pipe passes through lock nut and fixes on the valve body, annular convex shoulder is provided with the bulge loop towards the one end of flashboard, be provided with sealing washer II between valve body and the bulge loop, be provided with inclined plane I on the sealing washer II, be provided with on the valve body with the inclined plane II of I adaptation on the inclined plane.

In the loose joint double-magnetic self-locking gate valve, a sealing ring I is arranged between the valve rod and the positioning plate.

In the loose joint double-magnetic self-locking gate valve, the valve rod is provided with a second blocking ring, and the second blocking ring is positioned below the sealing ring I and is in contact with the lower end surface of the positioning plate.

In the loose joint double-magnetic self-locking gate valve, a sealing gasket is arranged between the positioning plate and the rotating plate.

In the loose joint double-magnetic self-locking gate valve, the magnetic part is an iron column.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a cooperation between magnet and the magnetism key, can control the iron prop and be located blind hole I or blind hole two, the magnetic force of magnetism key will be bigger than the magnetic force of magnet, when the magnetism key embolias the movable plate, the magnetism key attracts the iron prop to come, make it break away from magnet, concrete also be the iron prop and break away from blind hole I, enter into blind hole II, the unable card of iron prop is between locating plate and rotor plate, the flashboard can reciprocate along with the valve rod rotation, and the flashboard can open or close liquid passage, and be provided with the sealing washer between loose joint pipe and the valve body, and this sealing washer and valve body all are provided with mutually supporting inclined plane I and inclined plane II, during the connection, inclined plane I and inclined plane II are the face contact, can solve the problem of the easy seepage of being connected between loose joint pipe and the valve body like this.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a sectional view of the valve body of the present invention;

FIG. 3 is a schematic structural view of the union tube, the lock nut and the seal ring of the present invention;

FIG. 4 is a schematic structural view of the rotating plate of the present invention;

fig. 5 is a schematic structural view of the magnetic key of the present invention.

The reference numerals in the figures denote the meanings:

1-a valve body; 2-a gate plate; 3-a valve stem; 4-rotating the plate; 5, positioning a plate; 6-a magnetic key; 7-a lock nut; 8-a loose joint pipe;

31-a sealing ring I; 32-baffle ring two; 33-a sealing gasket; 51-blind hole I; 52-a magnet; 53-a magnetic member; 54-blind hole II;

61-a positioning column; 62-positioning grooves; 71-baffle ring one; 81-an annular shoulder; 82-convex ring; 83-sealing ring II; 84-inclined plane I;

85-inclined plane II.

Detailed Description

The invention will be further described with reference to specific embodiments below:

as shown in fig. 1-5: a movable double-magnetic self-locking gate valve comprises a valve body 1, wherein a liquid channel is arranged in the valve body 1, a gate plate 2 capable of moving up and down is arranged at the middle end of the liquid channel, a valve rod 3 is connected onto the gate plate 2 in a threaded manner, a rotating plate 4 is connected to the valve rod 3 after penetrating through the valve body 1, a positioning plate 5 is arranged between the rotating plate 4 and the valve body 1, a movable space for the gate plate 2 to move is formed in the lower end portion of the positioning plate 5, blind holes I51 are uniformly distributed on the positioning plate 5, specifically, a magnet 52 and a magnetic piece 53 are arranged in the blind holes I51, the magnet 52 is located at the bottom of the blind holes I51, the magnetic piece 53 is located above the magnet 52, blind holes II 54 corresponding to the blind holes I51 are formed in the rotating plate 4, the magnetic piece 53 can move in the blind holes II 54, and a magnetic key 6 is matched on the rotating plate 4, the rotating plate 4 is detachably connected with the magnetic key 6 through a positioning column 61 and a positioning groove 62, the magnetic force of the magnetic key 6 is greater than that of the magnet 52, a locking nut 7 is arranged on one side of the valve body 1, a movable connecting pipe 8 is arranged on the inner side of the locking nut 7, a first baffle ring 71 is arranged on one side, away from the flashboard 2, of the locking nut 7, one end of the movable connecting pipe 8 extends out of the locking nut 7, an annular convex shoulder 81 matched with the first baffle ring 71 is arranged on the other end of the movable connecting pipe 8, the movable connecting pipe 8 is fixed on the valve body 1 through the locking nut 7, a convex ring 82 is arranged at one end, facing the flashboard 2, of the annular convex shoulder 81, a sealing ring II 83 is arranged between the valve body 1 and the convex ring 82, an inclined plane I84 is arranged on the sealing ring II 83, an inclined plane II 85 matched with the inclined plane I84 is arranged on the valve body 1, and the magnet and the magnetic key are matched, the magnetic key can control the iron column to be positioned in the blind hole I or the blind hole II, the magnetic force of the magnetic key is larger than that of the magnet, when the magnetic key is sleeved in the movable plate, the magnetic key attracts the iron column to separate the iron column from the magnet, specifically, the iron column is separated from the blind hole I and enters the blind hole II, the iron column cannot be clamped between the positioning plate and the rotating plate, the flashboard can move up and down along with the rotation of the valve rod, the liquid channel can be opened or closed by the flashboard, the sealing ring is arranged between the movable connecting pipe and the valve body, the sealing ring and the valve body are both provided with the inclined surface I and the inclined surface II which are matched with each other, and when the sealing ring and the valve body are connected, the inclined surface I and the inclined surface II are in surface contact, so that the problem that the movable connecting pipe and the valve body are easy to leak can be solved, what needs to mention, the blind holes II can be four or one, when the blind holes II are four, the magnetic pieces are four, when one blind hole II is formed, one magnetic piece is formed.

In foretell double magnetism auto-lock gate valve of loose joint, it is specific to be provided with sealing washer I31 between valve rod 3 and the locating plate 5, is provided with two sealing washers between valve rod and the locating plate, can improve the sealing performance of valve body like this.

In the loose joint double-magnetic self-locking gate valve, the valve rod 3 is provided with the second blocking ring 32, the second blocking ring 32 is positioned below the sealing ring I31 and is in contact with the lower end surface of the positioning plate 5, and the second blocking ring is used for avoiding the excessive rotation of the gate plate.

In the loose joint double-magnetic self-locking gate valve, the sealing gasket 33 is arranged between the positioning plate 5 and the rotating plate 4, so that the sealing performance of the valve body can be improved.

In the loose joint double-magnetic self-locking gate valve, the magnetic part 53 is an iron column, and the iron column is a small iron column and mainly plays a role in clamping the rotating plate.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (5)

1. The utility model provides a two magnetism auto-lock gate valves of loose joint, includes valve body (1), its characterized in that: the improved valve is characterized in that a liquid channel is arranged in the valve body (1), the middle end of the liquid channel is provided with a flashboard (2) capable of moving up and down, the flashboard (2) is connected with a valve rod (3) in a threaded manner, the valve rod (3) penetrates through the valve body (1) and then is connected with a rotating plate (4), a positioning plate (5) is arranged between the rotating plate (4) and the valve body (1), the lower end part of the positioning plate (5) is provided with a moving space for the movement of the flashboard (2), four blind holes I (51) are uniformly distributed on the positioning plate (5), a magnet (52) and a magnetic part (53) are arranged in the blind hole I (51), the magnet (52) is positioned at the bottom of the blind hole I (51), the magnetic part (53) is positioned above the magnet (52), a blind hole II (54) corresponding to the blind hole I (51) is arranged on the rotating plate (4), and the magnetic part (53) can move in the blind hole II (54), the magnetic key (6) is matched on the rotating plate (4), the rotating plate (4) and the magnetic key (6) are detachably connected through a positioning column (61) and a positioning groove (62), the magnetic force of the magnetic key (6) is greater than that of a magnet (52), one side of the valve body (1) is provided with a locking nut (7), the inner side of the locking nut (7) is provided with a movable connecting pipe (8), one side, far away from the flashboard (2), of the locking nut (7) is provided with a baffle ring I (71), one end of the movable connecting pipe (8) stretches out of the locking nut (7), the other end of the movable connecting pipe is provided with an annular convex shoulder (81) matched with the baffle ring I (71), the movable connecting pipe (8) is fixed on the valve body (1) through the locking nut (7), one end, facing the flashboard (2), of the annular convex shoulder (81) is provided with a convex ring (82), and a sealing ring II (83) is arranged between the valve body (1) and the convex ring (82), be provided with inclined plane I (84) on sealing washer II (83), be provided with inclined plane II (85) with inclined plane I (84) adaptation on valve body (1).

2. The articulating double magnetic self-locking gate valve of claim 1, wherein: a sealing ring I (31) is arranged between the valve rod (3) and the positioning plate (5).

3. The articulating double magnetic self-locking gate valve of claim 2, wherein: and a second blocking ring (32) is arranged on the valve rod (3), and the second blocking ring (32) is positioned below the sealing ring I (31) and is in contact with the lower end surface of the positioning plate (5).

4. The articulating double magnetic self-locking gate valve of claim 1, wherein: and a sealing gasket (33) is arranged between the positioning plate (5) and the rotating plate (4).

5. The articulating double magnetic self-locking gate valve of claim 1, wherein: the magnetic part (53) is an iron column.

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