Top filtering spiral water inlet valve

Abstract

The utility model relates to a top filtering spiral water inlet valve which comprises an outer pipe, a body inner core is arranged at the top of the outer pipe, an upper cover is connected to the top of the body inner core in a threaded mode, an outer floating barrel is installed outside the outer pipe, and an auxiliary mechanism is arranged outside the outer pipe. The auxiliary mechanism comprises an O-shaped ring, a filter element, an anti-siphon pad, an upper cover sealing ring, a positioning piece, a water stop pad, a water stop cover, a back pressure pad, a connecting rod and a swing rod, the O-shaped ring is arranged at the bottom of the upper cover, the filter element is arranged in the body inner core, and the anti-siphon pad is arranged outside the filter element. According to the top filtering spiral water inlet valve, when the water inlet valve is used, water spirally flows into the water tank, the water level gradually rises, overflows the outer floating barrel and enters the inner floating barrel, the inner floating barrel rises to drive the swing rod, the swing rod drives the connecting rod, the back pressure pad of the connecting rod blocks the pressure relief hole, the water pressure in the cavity rises, the water stop pad moves forwards to seal the water inlet, and water inlet is finished.

Description

TECHNICAL FIELD

[0001] The utility model relates to spiral water inlet valve technical field, concretely is a top filter spiral water inlet valve. BACKGROUND

[0002] In the water passage system of the water turbine, according to the need of the operation and maintenance of the hydropower station, corresponding gates or valves are installed at different positions, and the valve arranged in front of the water turbine volute is usually called water inlet valve.

[0003] The existing water inlet valve generally has the problems of inconvenient filter core replacement, easy blockage of the water inlet by impurities in water and large noise in use, thereby reducing the service life of the water inlet valve and increasing the use cost of the water inlet valve, so a top filter spiral water inlet valve is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a top filter spiral water inlet valve, which has the advantages of convenient filtering, solves the problems of inconvenient filter core replacement of the existing water inlet valve, easy blockage of the water inlet by impurities in water and large noise in use, thereby reducing the service life of the water inlet valve and increasing the use cost of the water inlet valve.

[0005] To achieve the above object, the utility model provides the following technical scheme: a top filter spiral water inlet valve, comprising an outer pipe, a body inner core is arranged at the top of the outer pipe, an upper cover is threadedly connected to the top of the body inner core, an outer float barrel is mounted on the outer portion of the outer pipe, and an auxiliary mechanism is arranged on the outer portion of the outer pipe.

[0006] The auxiliary mechanism comprises an O-ring, a filter core, an anti-siphon pad, an upper cover sealing ring, a positioning sheet, a water stop pad, a water stop cover, a back pressure pad, a connecting rod and a swing rod, the bottom of the upper cover is provided with an O-ring, the inside of the body inner core is provided with a filter core, the outside of the filter core is provided with an anti-siphon pad, the bottom of the anti-siphon pad is provided with an upper cover sealing ring, the inside of the body inner core is mounted with a positioning sheet, the outside of the positioning sheet is provided with a water stop pad, the outside of the water stop pad is provided with a water stop cover, the outside of the water stop cover is mounted with a back pressure pad, the outside of the water stop cover is mounted with a connecting rod, and the outside of the connecting rod is mounted with a swing rod.

[0007] Further, the bottom of the body inner core is connected with a water inlet pipe, the bottom of the water inlet pipe penetrates the outer pipe, and the outside of the water inlet pipe is sleeved with a rotating disc.

[0008] Further, the rotating disc and the outer pipe are mutually clamped, the inside of the outer float barrel is mounted with an inner float barrel, and the upper cover and the filter core are threadedly connected.

[0009] Further, the upper cover is clamped with the body inner core, the bottom of the outer bucket is provided with a one-way valve, the top of the inner bucket is provided with a latch, and the outer pipe is connected with the inner bucket through the latch.

[0010] Further, the side, away from the connecting rod, of the swing rod is connected with the inner bucket, the inner part of the outer pipe is provided with a water supplement cavity, and the water supplement cavity is provided with a water inlet hole in the inner part.

[0011] Further, the back pressure pad is connected with the connecting rod, the anti-siphon pad is sleeved on the outer part of the filter core, and the upper cover sealing ring is located in the inner part of the body inner core.

[0012] Compared with the prior art, the technical scheme has the following beneficial effects:

[0013] 1. The top filtering spiral water inlet valve is connected with the filter core through threads, and is combined with the body inner core through a buckle structure, so that the filter core can be conveniently taken out for cleaning, water flows from the body inner core to the water supplement cavity through the filter core, the water inlet hole of the water supplement cavity is designed as an inclined hole, and water flow is rotated to achieve a mute effect.

[0014] 2. The top filtering spiral water inlet valve is connected with the filter core through threads, and is combined with the body inner core through a buckle structure, so that the filter core can be conveniently taken out for cleaning, water flows from the body inner core to the water supplement cavity through the filter core, the water inlet hole of the water supplement cavity is designed as an inclined hole, and water flow is rotated to achieve a mute effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an exploded view of the utility model;

[0016] Figure 2 It is a front view three-dimensional schematic view of the utility model;

[0017] Figure 3 It is a sectional view three-dimensional schematic view of the utility model.

[0018] In the drawing: 1 outer pipe, 2 body inner core, 3 upper cover, 4 outer bucket, 5 auxiliary mechanism, 501 O ring, 502 filter core, 503 anti-siphon pad, 504 upper cover sealing ring, 505 positioning sheet, 506 water stop pad, 507 water stop cover, 508 back pressure pad, 509 connecting rod, 510 swing rod, 6 water inlet pipe, 7 rotating disc, 8 inner bucket. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] Please refer to Figures 1-3 A top filter spiral water inlet valve, comprising an outer pipe 1, the top of the outer pipe 1 is provided with a body inner core 2, the top of the body inner core 2 is threadedly connected with an upper cover 3, the outer part of the outer pipe 1 is provided with an outer float barrel 4, the outer part of the outer pipe 1 is provided with an auxiliary mechanism 5.

[0021] The auxiliary mechanism 5 comprises an O-ring 501, a filter core 502, an anti-siphon pad 503, an upper cover sealing ring 504, a positioning sheet 505, a water stop pad 506, a water stop cover 507, a back pressure pad 508, a connecting rod 509 and a swing rod 510, the bottom of the upper cover 3 is provided with the O-ring 501, the inside of the body inner core 2 is provided with the filter core 502, the outside of the filter core 502 is provided with the anti-siphon pad 503, the bottom of the anti-siphon pad 503 is provided with the upper cover sealing ring 504, the inside of the body inner core 2 is installed with the positioning sheet 505, the outside of the positioning sheet 505 is provided with the water stop pad 506, the outside of the water stop pad 506 is provided with the water stop cover 507, the outside of the water stop cover 507 is installed with the back pressure pad 508, the outside of the water stop cover 507 is installed with the connecting rod 509, and the outside of the connecting rod 509 is installed with the swing rod 510.

[0022] In Figure 1 and Figure 2 , the bottom of the body inner core 2 is connected with a water inlet pipe 6, the bottom of the water inlet pipe 6 penetrates the outer pipe 1, and the outside of the water inlet pipe 6 is sleeved with a rotating disc 7.

[0023] In Figure 1 and Figure 2 , the rotating disc 7 and the outer pipe 1 are mutually clamped, the inside of the outer float barrel 4 is installed with an inner float barrel 8, the upper cover 3 and the filter core 502 are threadedly connected, the upper cover 3 and the filter core 502 are integrally connected through thread connection, and the upper cover 3 and the body inner core 2 are combined through a buckle structure, so that the filter core 502 is conveniently taken out for cleaning.

[0024] In Figure 1 and Figure 3 , the upper cover 3 and the body inner core 2 are mutually clamped, the bottom of the outer float barrel 4 is installed with a one-way valve, the top of the inner float barrel 8 is installed with a latch, and the outer pipe 1 and the inner float barrel 8 are connected through the latch.

[0025] In Figure 1 and Figure 3In the embodiment, the side of the swing rod 510 away from the connecting rod 509 is connected with the inner float barrel 8, the inside of the outer pipe 1 is provided with a water supplement cavity, the inside of the water supplement cavity is provided with a water inlet hole, the water inlet hole is designed as an inclined hole, water spirally flows to the water tank, the water level gradually rises, overflows the outer float barrel 4, enters the inner float barrel 8, the inner float barrel 8 is lifted to drive the swing rod 510, the swing rod 510 drives the connecting rod 509, so that the back pressure pad 508 of the connecting rod 509 blocks the pressure relief hole, the water pressure in the cavity is increased, the water stop pad 506 is moved forward to seal the water inlet, and the water inlet is completed.

[0026] In Figure 2 and Figure 3 In the embodiment, the back pressure pad 508 is connected with the connecting rod 509, the anti-siphon pad 503 is sleeved outside the filter core 502, and the upper cover sealing ring 504 is located inside the body inner core 2.

[0027] In summary, the top filter spiral water inlet valve is characterized in that water spirally flows to the water tank, the water level gradually rises, overflows the outer float barrel 4, enters the inner float barrel 8, the inner float barrel 8 is lifted to drive the swing rod 510, the swing rod 510 drives the connecting rod 509, so that the back pressure pad 508 of the connecting rod 509 blocks the pressure relief hole, the water pressure in the cavity is increased, the water stop pad 506 is moved forward to seal the water inlet, the water inlet is completed, the swing rod 510 hook is designed as an inner buckle, which can reduce the material, is convenient to assemble, and has an attractive appearance, the pressure relief hole is designed at a high position to prevent impurities in the water from depositing and blocking the hole, and the O-shaped ring 501 and the upper cover sealing ring 504 are arranged to better ensure the sealing of the upper cover 3 and the body inner core 2.

[0028] In addition, when the water inlet valve is used, water spirally flows to the water tank, the water level gradually rises, overflows the outer float barrel 4, enters the inner float barrel 8, the inner float barrel 8 is lifted to drive the swing rod 510, the swing rod 510 drives the connecting rod 509, so that the back pressure pad 508 of the connecting rod 509 blocks the pressure relief hole, the water pressure in the cavity is increased, the water stop pad 506 is moved forward to seal the water inlet, and the water inlet is completed.

[0029] The specific model and specification of each device in the text need to be selected and determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0030] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0031] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A top filtering screw water inlet valve comprising an outer tube (1), characterized in that: The top of the outer pipe (1) is provided with a body inner core (2), the top of the body inner core (2) is threadedly connected with an upper cover (3), the outer side of the outer pipe (1) is provided with an outer float bucket (4), and the outer side of the outer pipe (1) is provided with an auxiliary mechanism (5). The auxiliary mechanism (5) comprises an O-shaped ring (501), a filter core (502), an anti-siphon pad (503), an upper cover sealing ring (504), a positioning sheet (505), a water stop pad (506), a water stop cover (507), a back pressure pad (508), a connecting rod (509) and a swing rod (510), the bottom of the upper cover (3) is provided with an O-shaped ring (501), the inside of the body inner core (2) is provided with a filter core (502), the outside of the filter core (502) is provided with an anti-siphon pad (503), the bottom of the anti-siphon pad (503) is provided with an upper cover sealing ring (504), the inside of the body inner core (2) is provided with a positioning sheet (505), the outside of the positioning sheet (505) is provided with a water stop pad (506), the outside of the water stop pad (506) is provided with a water stop cover (507), the outside of the water stop cover (507) is provided with a back pressure pad (508), the outside of the water stop cover (507) is provided with a connecting rod (509), and the outside of the connecting rod (509) is provided with a swing rod (510).

2. A top filtering, screw water inlet valve according to claim 1, characterized in that: The bottom of the body inner core (2) is connected with a water inlet pipe (6), the bottom of the water inlet pipe (6) penetrates the outer pipe (1), and the outside of the water inlet pipe (6) is sleeved with a rotating disc (7).

3. A top filtering, screw water inlet valve according to claim 2, characterized in that: The rotating disc (7) is clamped with the outer pipe (1), the inside of the outer float bucket (4) is provided with an inner float bucket (8), and the upper cover (3) is threadedly connected with the filter core (502).

4. A top filtering, screw water inlet valve according to claim 3, characterized in that: The upper cover (3) is clamped with the body inner core (2), the bottom of the outer float bucket (4) is provided with a one-way valve, the top of the inner float bucket (8) is provided with a latch, and the outer pipe (1) is connected with the inner float bucket (8) through the latch.

5. A top filtering, screw water inlet valve according to claim 3, characterized in that: The side, away from the connecting rod (509), of the swing rod (510) is connected with the inner float bucket (8), the inside of the outer pipe (1) is provided with a water supplement cavity, the inside of the water supplement cavity is provided with a water inlet hole, and the water inlet hole is designed in an inclined hole.

6. A top filtering, screw inlet valve according to claim 1, characterized in that: The back pressure pad (508) is connected with the connecting rod (509), the anti-siphon pad (503) is sleeved outside the filter core (502), and the upper cover sealing ring (504) is located inside the body inner core (2).

Images