CN210920161U

CN210920161U - Magnetic sealing dynamic management valve structure

Info

Publication number: CN210920161U
Application number: CN201921759439.7U
Authority: CN
Inventors: 顾新华
Original assignee: Daiao Meter Changzhou Co ltd
Current assignee: Daiao Meter Changzhou Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-07-03
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a magnetic seal dynamic management valve structure, which relates to the field of magnetic seal dynamic management valves, and comprises a valve body, the top of the valve body is connected with a valve cover, the inside of the valve cover is provided with a valve rod, the inside of the valve rod is connected with a guide rod extending to the inside of the valve rod, the inside of the guide rod is provided with a magnetic ring, the inside of the guide rod is connected with a valve clack extending to the inside of the guide rod, the inside of the valve clack is provided with magnetic steel, the outside of the valve clack is provided with a cage-shaped stopper, the top of the cage-shaped stopper is connected with the inside of the valve cover, the utility model discloses a pressure spring is placed at the valve cover, so that the magnetic upper valve clack is infinitely close to the magnetic lower valve clack, thereby the initial check force is enhanced, the cage-; the compressed pressure spring does not occupy fluid space in the inner cavity of the valve cover, and the reverse acting force of the pressure spring is extremely small, so that the water yield is increased, and the pressure loss is reduced.

Description

Magnetic sealing dynamic management valve structure

Technical Field

The utility model relates to a sealed dynamic management valve field of magnetism specifically is a sealed dynamic management valve structure of magnetism.

Background

The magnetic locking valve controls the opening and closing of a closing part in the valve by means of the acting force of magnetic force, is a magnetic lock, is generally used for valves with important and special positions and functions, prevents the valves from being used by any switch, has no any gap, is anti-clogging, waterproof, anticorrosive and convenient to use; is deeply favored by industries such as water supply, heat supply, gas, solar water heaters and the like.

The existing product has the defects that the diaphragm processing technology is complex, the cost is high, and when the valve is in an open state, the diaphragm is compressed at the joint of the valve cover and the valve body to block the water outlet space of the valve cover and the valve body, and the reverse acting force is greatly enhanced along with the lifting of the opening degree of the valve clack, so that the water yield is reduced, the pressure loss is increased, the energy consumption of a water supply unit is increased, and the water consumption experience of a user is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the existing product is complex in diaphragm processing technology and high in cost, and when the valve is in an open state, the diaphragm is compressed at the joint of the valve cover and the valve body to block the water outlet space of the valve cover and the valve body, and the reverse acting force is greatly enhanced along with the lifting of the opening degree of the valve clack, so that the water yield is reduced, the pressure loss is increased, the energy consumption of a water supply unit is increased, and the water consumption experience of a user is influenced, a magnetic sealing dynamic management valve structure is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a magnetic sealing dynamic management valve structure comprises a valve body, wherein the top of the valve body is connected with a valve cover, a valve rod is arranged inside the valve cover, a guide rod extending into the valve rod is connected inside the valve rod, a magnetic ring is arranged inside the guide rod, a valve clack extending into the guide rod is connected inside the guide rod, magnetic steel is arranged inside the valve clack, a cage-shaped limiter is arranged outside the valve clack, the top of the cage-shaped limiter is connected with the inside of the valve cover, the bottom of the cage-shaped limiter is connected with the inside of the valve body, a rubber gasket is arranged between the bottom end of the valve clack and the valve body, a pressure spring is arranged on the outer side of the valve rod and positioned at the top of the guide rod, a hand wheel is movably connected at the top of the valve rod, a locking nut is arranged on the outer side of the hand wheel, and the top outside the valve gap is provided with a groove matched with the magnetic lock head, and the top of the magnetic lock head is provided with a matched magnetic key.

Preferably, a gasket is arranged at the joint of the valve body and the valve cover.

Preferably, the bottom of the locking nut is provided with a compression gasket, and the bottom of the compression gasket is provided with a sealing ring.

Preferably, the valve body and the valve cover are made of HPb59-1 brass forging.

Preferably, the valve flap is made of PP plastic.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model arranges the pressure spring at the valve cover to lead the magnetic upper valve clack and the magnetic lower valve clack to approach infinitely, thereby enhancing the initial check force, and arranges the cage-shaped position limiter at the cavity of the valve body as a guiding device to lead the lower valve clack to move in the cage-shaped position limiter; the compressed pressure spring does not occupy fluid space in the inner cavity of the valve cover, and the reverse acting force of the pressure spring is extremely small, so that the water yield is increased, and the pressure loss is reduced; the upper part of the valve cover is provided with a groove, if the valve needs to be managed by a special person, a special magnetic lock head can be matched with the valve cover to form a lockable device, and the special person can open and close the lockable device by adopting a special tool; if the magnetic lock needs to be handed over to customer management, the magnetic lock head is replaced by a hand wheel; thereby realizing dynamic management.

Drawings

Fig. 1 is a schematic structural view of the valve in a closed state of the present invention;

fig. 2 is a schematic structural view of the open state of the valve of the present invention;

FIG. 3 is a schematic structural view of the magnetic lock of the present invention;

fig. 4 is a schematic structural view of the magnetic key of the present invention;

fig. 5 is a schematic structural diagram of the non-return state of the valve of the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a guide bar; 5. a magnetic ring; 6. a valve flap; 7. magnetic steel; 8. a cage-type stopper; 9. a rubber gasket; 10. a pressure spring; 11. locking the nut; 12. a hand wheel; 13. compressing the gasket; 14. a seal ring; 15. a magnetic lock head; 16. a magnetic key; 17. and (7) a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a magnetic sealing dynamic management valve structure comprises a valve body 1, a valve cover 2 is connected to the top of the valve body 1, a valve rod 3 is arranged inside the valve cover 2, a guide rod 4 extending into the valve rod 3 is connected inside the valve rod 3, a magnetic ring 5 is arranged inside the guide rod 4, a valve flap 6 extending into the guide rod 4 is connected inside the guide rod 4, magnetic steel 7 is arranged inside the valve flap 6, a cage-shaped stopper 8 is arranged outside the valve flap 6, the top of the cage-shaped stopper 8 is connected with the inside of the valve cover 2, the bottom of the cage-shaped stopper 8 is connected with the inside of the valve body 1, a rubber gasket 9 is arranged between the bottom of the valve flap 6 and the valve body 1, a pressure spring 10 is arranged on the top of the guide rod 4 outside the valve rod 3, a hand wheel 12 is movably connected to the top of the valve rod 3, and a lock nut 11, the top of valve gap 2 is provided with rather than assorted magnetism tapered end 15, and the top in the valve gap 2 outside is provided with the recess with magnetism tapered end 15 assorted, and the top of magnetism tapered end 15 is provided with assorted magnetism key 16.

The utility model arranges the pressure spring at the valve cover to lead the magnetic upper valve clack and the magnetic lower valve clack to approach infinitely, thereby enhancing the initial check force, and arranges the cage-shaped position limiter at the cavity of the valve body as a guiding device to lead the lower valve clack to move in the cage-shaped position limiter; the compressed pressure spring does not occupy fluid space in the inner cavity of the valve cover, and the reverse acting force of the pressure spring is extremely small, so that the water yield is increased, and the pressure loss is reduced.

Please refer to fig. 1, fig. 2 and fig. 5, a gasket 17 is disposed at the joint of the valve body 1 and the valve cover 2, and the gasket 17 is disposed in the present invention, so that the connection between the valve body 1 and the valve cover 2 is more airtight.

Please refer to fig. 1, fig. 2 and fig. 5, a pressing gasket 13 is disposed at the bottom of the locking nut 11, and a sealing ring 14 is disposed at the bottom of the pressing gasket 13, so that the sealing performance of the present invention is enhanced by disposing the pressing gasket 13 and the sealing ring 14 below the locking nut 11.

Please refer to fig. 1, fig. 2 and fig. 5, the valve body 1 and the valve cover 2 are forged by HPb59-1 brass, and the valve body is forged by HPb59-1 brass, so that the valve is not easy to rust and is more durable.

Please refer to fig. 1, fig. 2 and fig. 5, the valve flap 6 is made of PP plastic, the valve flap 6 of the present invention is made of PP plastic, which has high impact resistance, high mechanical strength, and resistance to corrosion of various organic solvents and acids and alkalis, so as to prolong the service life of the valve.

The working principle is as follows: the utility model is arranged at the front end or the rear end of a water meter entering a house, utilizes the principle that the same magnetic pole repels to generate reaction force, and uses the pressure spring 10 to lead the magnetic valve clack 6 to approach infinitely, thereby enhancing the initial non-return force and realizing the sealing between the valve clack 6 and the valve seat; the magnetic steel 7 is completely coated by a non-metallic material and is not in direct contact with water; the valve clack 6 is guided by a cage-shaped limiter 8, the valve has the functions of non-return, cut-off and the like, and when the valve is arranged in front of a water meter, the opening and closing of the valve can be controlled by a hand wheel 12; the upper part of the valve cover 2 of the valve is provided with a groove, if the valve needs to be managed by a special person, a special magnetic lock head 15 is matched with the valve cover 2 to form a lockable device, and the special person adopts a special tool magnetic key 16 to open and close; if the management is required to be handed over to the customer, the magnetic lock head 15 is replaced by the hand wheel 12; therefore, the dynamic management is realized, and the method is particularly suitable for the front and the back of the water meter of the user, the management of the tap water company on the user and the water meter can be realized, and the metering dispute and dispute between the tap water company and the user can be avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A magnetically sealed dynamic management valve structure, comprising a valve body (1), characterized in that: the top of the valve body (1) is connected with a valve cover (2), a valve rod (3) is arranged inside the valve cover (2), a guide rod (4) extending to the inside of the valve rod (3) is connected inside the valve rod (3), a magnetic ring (5) is arranged inside the guide rod (4), a valve clack (6) extending to the inside of the guide rod (4) is connected inside the guide rod (4), magnetic steel (7) is arranged inside the valve clack (6), a cage-shaped limiter (8) is arranged outside the valve clack (6), the top of the cage-shaped limiter (8) is connected with the inside of the valve cover (2), the bottom of the cage-shaped limiter (8) is connected with the inside of the valve body (1), a rubber gasket (9) is arranged between the bottom of the valve clack (6) and the valve body (1), a pressure spring (10) is arranged on the outside of the valve rod (3), the top swing joint of valve rod (3) has hand wheel (12), and the top that is located valve gap (2) inside in the hand wheel (12) outside is provided with lock nut (11), the top of valve gap (2) be provided with rather than assorted magnetism tapered end (15), and the top in the valve gap (2) outside be provided with magnetism tapered end (15) assorted recess, the top of magnetism tapered end (15) is provided with assorted magnetism key (16).

2. A magnetically sealed dynamic management valve structure according to claim 1, wherein: a gasket (17) is arranged at the joint of the valve body (1) and the valve cover (2).

3. A magnetically sealed dynamic management valve structure according to claim 1, wherein: the bottom of the locking nut (11) is provided with a compression gasket (13), and the bottom of the compression gasket (13) is provided with a sealing ring (14).

4. A magnetically sealed dynamic management valve structure according to claim 1, wherein: the valve body (1) and the valve cover (2) are made of HPb59-1 brass forging.

5. A magnetically sealed dynamic management valve structure according to claim 1, wherein: the valve clack (6) is made of PP plastic.