CN214197344U

CN214197344U - Double-magnetism self-locking gate valve structure

Info

Publication number: CN214197344U
Application number: CN202120187924.2U
Authority: CN
Inventors: 曾台志
Original assignee: Yuhuan Yushuo Valve Co ltd
Current assignee: Yuhuan Yushuo Valve Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-09-14
Anticipated expiration: 2031-01-23

Abstract

The utility model relates to a double-magnetic self-locking gate valve structure, which belongs to the technical field of pipeline devices and 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 part of the liquid channel, a valve rod is screwed on the flashboard, the valve rod is connected with a rotating plate after passing through the valve body, a positioning plate is arranged between the rotating plate and the valve body, the lower end part of the positioning plate is provided with a movable space for moving the flashboard, in addition, four blind holes I are evenly distributed on the positioning plate, a magnet and a magnetic part are arranged in the blind holes I, a magnetic key is adapted on the rotating plate, an extension sleeve is outwards extended and molded at one end part of the valve body, a connecting nut is sleeved on the extension sleeve, the utility model aims to provide a gate valve structure with simple structure, convenient operation, simple installation and good sealing performance, the double-magnetic self-locking gate valve structure can be locked by utilizing magnetism.

Description

Double-magnetism self-locking gate valve structure

Technical Field

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

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 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 universally, the keeping personnel are inconvenient to carry all the special keys, the special keys need to be checked during operation, the operation is time-consuming and troublesome, the distances of two sides of the valve body of the existing gate valve are fixed, when the connecting distance between pipelines is long, the connection between the gate valve and the pipelines is complicated, and the water seepage is easy to occur at the connecting ends.

Disclosure of Invention

The utility model aims at providing a simple structure, convenient operation, the installation is simple, and sealing performance is good, can utilize magnetism to carry out the two magnetism auto-lock gate valve structures of locking.

The purpose of the utility model is realized like this:

a double-magnetic self-locking gate valve structure 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 onto the flashboard in a screwed mode, the valve rod penetrates through the valve body and then is connected with a rotating plate, 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 positioning columns and positioning grooves, and the magnetic force of the magnetic key is larger than the magnetic force of the magnets, one end of the valve body extends outwards to form and is provided with a lengthening sleeve, the lengthening sleeve is sleeved with a connecting nut, the lengthening sleeve is provided with a limiting groove, a clamp used for limiting the connecting nut to be separated from the lengthening sleeve is arranged in the limiting groove, and the lengthening sleeve is provided with a sealing ring II.

In the above-mentioned double magnetism auto-lock gate valve structure, be provided with sealing washer I between valve rod and the locating plate.

In the above-mentioned double magnetism auto-lock gate valve structure, be provided with on the valve rod and keep off the ring, keep off the ring and be located the below of sealing washer I, and with the lower terminal surface contact of locating plate.

In the above structure of the dual-magnetic self-locking gate valve, a sealing gasket is arranged between the positioning plate and the rotating plate.

In the above-mentioned double-magnetic self-locking gate valve structure, the magnetic member 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 breaks 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 be opened or close fluid passage, be provided with coupling nut and clamp on the extension sleeve, the clamp breaks away from the extension sleeve for restriction coupling nut, coupling nut is for convenient and pipe connection, and be provided with sealing washer II on the extension sleeve, be in order to improve the sealing performance between valve body and the pipeline.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the rotating plate of the present invention;

fig. 3 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-lengthening the sleeve; 31-a sealing ring I;

32-a baffle ring; 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-a limiting groove; 72-a clamp; 73-connecting nuts; 74-sealing ring II.

Detailed Description

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

as shown in fig. 1-3: a double-magnetic self-locking gate valve structure 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, the valve rod 3 is connected with a rotating plate 4 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 arranged at the lower end of the positioning plate 5, four blind holes I51 are uniformly distributed on the positioning plate 5, a magnet 52 and a magnetic piece 53 are arranged in the blind holes I51, the magnet 51 is positioned at the bottom of the blind holes I51, the magnetic piece 53 is positioned above the magnet 52, a blind hole II 54 corresponding to the blind hole I51 is arranged on the rotating plate 4, the magnetic piece 53 can move in the blind hole II 54, 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, one end of the valve body 1 extends outwards to form an extension sleeve 7, the extension sleeve 7 is sleeved with a connecting nut 73, the extension sleeve 7 is provided with a limiting groove 71, a clamp 72 used for limiting the connecting nut 73 to be separated from the extension sleeve 7 is arranged in the limiting groove 71, and the extension sleeve 7 is provided with a sealing ring II 74, through the matching between the magnet and the magnetic key, the utility model 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 greater than that of the magnet, when the magnetic key is sleeved in the movable plate, the magnetic key attracts the iron column to be separated from the magnet, specifically, namely the iron column is separated from the blind hole I and enters the flashboard blind hole II, the iron column cannot be clamped between the positioning plate and the rotating plate and can move up and down along with the rotation of the valve rod, and the flashboard can open or close the liquid passage, is provided with coupling nut and clamp on the extension cover, and the clamp is in order to restrict coupling nut and break away from the extension cover, and coupling nut is for being connected with the pipeline in order to make things convenient for, and is provided with sealing washer II on the extension cover in order to improve the sealing performance between valve body and the pipeline.

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

In the above-mentioned double-magnetic self-locking gate valve structure, be provided with on the valve rod 3 and keep off ring 32, keep off ring 32 and be located the below of sealing washer I31, and with the lower terminal surface contact of locating plate 5, keep off the ring and avoid the flashboard to rotate excessively.

In the above-mentioned double-magnetic self-locking gate valve structure, a sealing gasket 33 is disposed between the positioning plate 5 and the rotating plate 4, so that the sealing performance of the valve body can be improved.

In the above-mentioned double-magnetic self-locking gate valve structure, the magnetic member 53 is an iron column, and the iron column is a small-sized 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

1. The utility model provides a two magnetism auto-lock gate valve structures, 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, the improved valve is characterized in that 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 the magnetic force of a magnet (52), an end part of the valve body (1) is outwards extended and formed to be provided with an extension sleeve (7), a connecting nut (73) is sleeved on the extension sleeve (7), a limiting groove (71) is formed in the extension sleeve (7), a clamp (72) used for limiting the connecting nut (73) to be separated from the extension sleeve (7) is arranged in the limiting groove (71), and a sealing ring II (74) is arranged on the extension sleeve (7).

2. The dual magnetic latching gate valve structure of claim 1, wherein: a sealing ring I (31) is arranged between the valve rod (3) and the positioning plate (5).

3. The dual magnetic latching gate valve structure of claim 2, wherein: be provided with on valve rod (3) and keep off ring (32), keep off ring (32) and be located the below of sealing washer I (31), and with the lower terminal surface contact of locating plate (5).

4. The dual magnetic latching gate valve structure of claim 1, wherein: and a sealing gasket (33) is arranged between the positioning plate (5) and the rotating plate (4).

5. The dual magnetic latching gate valve structure of claim 1, wherein: the magnetic part (53) is an iron column.