CN219300053U

CN219300053U - Float valve

Info

Publication number: CN219300053U
Application number: CN202122395326.7U
Authority: CN
Inventors: 何松平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2023-07-04
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of float valves, in particular to a float valve which comprises a valve shell and a valve core assembly, wherein an upper valve seat and a lower valve seat are arranged in the valve shell, a water inlet channel is arranged in the upper valve seat, a water outlet channel is arranged in the lower valve seat, a connecting plate is arranged on one side of the lower valve seat, a guide rod is arranged on the lower side of the connecting plate, a plurality of water inlet holes are formed in the bottom of the valve shell, the valve core assembly comprises a sealing sheet, a sealing sheet tray, a spring, a lever, a plug and a floating ball, the lever, the plug and the floating ball are arranged on the guide rod in a sleeved mode, a pressure relief hole is formed in the connecting plate, the plug is arranged on the lever, and one end of the lever is hinged to the bottom of the connecting plate. The ball valve has the advantages of simple structure, convenient operation, better sealing performance, no capillary leakage, convenient installation and disassembly, abrasion resistance of the ball, service life improvement of the ball valve and work efficiency improvement.

Description

Float valve

Technical Field

The utility model relates to the technical field of float valves, in particular to a float valve.

Background

The floating ball valve is used for cutting off or connecting the medium in the pipeline, and different materials are selected, so that the floating ball valve can be respectively suitable for various mediums such as water, steam, nitric acid, acetic acid, oxidizing medium, urea and the like. The existing floating ball valve has large fluid resistance, the operation stability and the flexibility performance of the valve rod begin to be poor when the valve rod is used for a long time, capillary leakage can be generated when the floating ball valve is sealed, the sealing performance of the ball valve is affected, meanwhile, the existing ball valve is complex in structure, the disassembly and the replacement are inconvenient, the workload of workers is increased, the working efficiency is reduced, the application range of the existing ball valve is small, the ball body is easy to wear, and the service life of the ball valve is prolonged.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a float valve.

The floating ball valve comprises a valve shell and a valve core assembly, wherein an upper valve seat and a lower valve seat are arranged in the valve shell, a water inlet channel is arranged in the upper valve seat, a water outlet channel is arranged in the lower valve seat, a water outlet of the water outlet channel extends out of the bottom of the valve shell, a connecting plate is arranged on one side of the water outlet channel of the lower valve seat, the upper valve seat is arranged on the connecting plate through a screw, a guide rod is arranged on the lower side of the connecting plate, the bottom of the guide rod is fastened at the bottom of the valve shell through a screw, and a plurality of water inlet holes are formed in the bottom of the valve shell;

the valve core assembly comprises a sealing plate, a sealing plate tray, a spring, a lever and a floating ball, wherein the sealing plate, the sealing plate tray and the spring are positioned at the upper side of a connecting plate and are positioned at the communication position of a water inlet channel and a water outlet channel, the lever and the floating ball are positioned at the lower side of the connecting plate, the sealing plate tray is positioned at the lower side of the sealing plate tray, one end of the lever is hinged with one end of the bottom of the connecting plate, a plug is arranged between a guide rod and the hinged position of the lever and the connecting plate on the lever, a pressure relief hole is correspondingly formed in the connecting plate and corresponds to the plug, the floating ball is sleeved on the guide rod, and the lever is positioned at the upper side of the floating ball.

Further, the valve casing includes the last valve casing and the lower valve casing of mutual lock joint, it is equipped with the inlet tube screwed joint with the inlet channel intercommunication to go up the valve casing top, be equipped with the nut on the inlet tube screwed joint, the outlet channel stretches out the lower valve casing bottom, the inlet opening is established in the lower valve casing bottom.

Further, a spring guide rod is arranged on one side of the spring, a guide through hole is formed in the sealing piece tray corresponding to the spring guide rod, and the spring guide rod moves up and down in the guide through hole.

Further, one side of the floating ball is provided with a yielding gap for placing the water outlet channel.

The utility model has the advantages that: the ball valve has the advantages of simple structure, convenient operation, better sealing performance, no capillary leakage, convenient installation and disassembly, abrasion resistance of the ball, service life improvement of the ball valve and work efficiency improvement.

Drawings

FIG. 1 is an exploded schematic view of a float valve of the present utility model;

FIG. 2 is a first cross-sectional schematic view of a float valve of the present utility model;

FIG. 3 is a second cross-sectional schematic view of a float valve of the present utility model;

fig. 4 is a schematic view of the lower valve body of a float valve according to the present utility model.

As shown in the figure: 1. a valve housing; 2. an upper valve seat; 3. a lower valve seat; 4. a water inlet channel; 5. a water outlet channel; 6. a connecting plate; 7. a guide rod; 8. a water inlet hole; 9. a sealing sheet; 10. a sealing sheet tray; 11. a spring; 12. a nut; 13. a floating ball; 14. a lever; 15. a spring guide rod; 16. a plug; 17. a pressure relief vent; 18. a guide through hole; 19. a relief notch; 101. an upper valve housing; 102. a lower valve housing; 103. a water inlet pipe screw joint.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The floating ball valve comprises a valve shell 1 and a valve core assembly, wherein an upper valve seat 2 and a lower valve seat 3 are arranged in the valve shell 1, a water inlet channel 4 is arranged in the upper valve seat 2, a water outlet channel 5 is arranged in the lower valve seat 3, a water outlet of the water outlet channel 5 extends out of the bottom of the valve shell 1, a connecting plate 6 is arranged on one side of the lower valve seat 3, which is positioned on the water outlet channel 5, the upper valve seat 2 is arranged on the connecting plate 6 through a screw, a guide rod 7 is arranged on the lower side of the connecting plate 6, the bottom of the guide rod 7 is fastened at the bottom of the valve shell 1 through a screw, and a plurality of water inlet holes 8 are formed in the bottom of the valve shell 1;

the valve core assembly comprises a sealing piece 9, a sealing piece tray 10, a spring 11, a lever 14 and a floating ball 13, wherein the sealing piece 9 and the sealing piece tray 10 are positioned at the upper side of the connecting plate 6, the sealing piece tray 10 is positioned at the lower side of the connecting plate 6, the spring 11 is positioned at the lower side of the sealing piece tray 10, one end of the lever 14 is hinged with one end of the bottom of the connecting plate 6, a plug 16 is arranged between the hinge positions of the lever 14 and the connecting plate 6 and between the guide rod 7 and the hinge positions of the lever 14, a pressure relief hole 17 is correspondingly arranged on the connecting plate 6 and corresponds to the plug, the floating ball 13 is sleeved on the guide rod 7, and the lever 14 is positioned at the upper side of the floating ball 13.

The valve casing 1 comprises an upper valve casing 101 and a lower valve casing 102 which are mutually buckled, a water inlet pipe screwed joint 103 communicated with the water inlet channel 4 is arranged at the top of the upper valve casing 101, a nut 12 is arranged on the water inlet pipe screwed joint 103, the water outlet channel 5 extends out of the bottom of the lower valve casing 102, and the water inlet hole 8 is arranged at the bottom of the lower valve casing 102.

A spring guide rod 15 is arranged on one side of the spring 11, a guide through hole 18 is arranged on the sealing piece tray 10 corresponding to the spring guide rod 15, and the spring guide rod 15 moves up and down in the guide through hole 18.

One side of the floating ball 13 is provided with a yielding gap 19 for placing the water outlet channel 5.

When the water level of the utility model is lower than the standard water level, the floating ball 13 slides downwards along the guide rod 7, the lever 14 is not lifted, namely the plug 16 opens the pressure relief hole 17, so that the sealing sheet 9 is separated from the communication position of the water inlet channel 4 and the water outlet channel 5, water supplementing is realized, when the water supplementing water level reaches the standard water level, the floating ball 13 floats upwards to push the lever 14, the plug 16 blocks the pressure relief hole 17, the sealing sheet 9 cuts off the communication position of the water inlet channel 4 and the water outlet channel 5, the sealing sheet 9 is tightly attached to the communication position of the water inlet channel 4 and the water outlet channel 5 under the pressure of a pipeline, the sealing performance is good, and the water supplementing is stopped.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. A ball float valve, characterized in that: the valve comprises a valve housing (1) and a valve core assembly, wherein an upper valve seat (2) and a lower valve seat (3) are arranged in the valve housing (1), a water inlet channel (4) is arranged in the upper valve seat (2), a water outlet channel (5) is arranged in the lower valve seat (3), a water outlet of the water outlet channel (5) extends out of the bottom of the valve housing (1), a connecting plate (6) is arranged on one side of the water outlet channel (5) of the lower valve seat (3), the upper valve seat (2) is installed on the connecting plate (6) through a screw, a guide rod (7) is arranged on the lower side of the connecting plate (6), the bottom of the guide rod (7) is fastened on the bottom of the valve housing (1) through a screw, and a plurality of water inlet holes (8) are formed in the bottom of the valve housing (1).

The valve core assembly comprises a sealing plate (9), a sealing plate tray (10), a spring (11) and a lever (14) and a floating ball (13) which are positioned at the upper side of a connecting plate (6) and at the communication position of a water inlet channel (4) and a water outlet channel (5), the sealing plate tray (10) is positioned at the lower side of the sealing plate (9), the spring (11) is positioned at the lower side of the sealing plate tray (10), one end of the lever (14) is hinged with one end of the bottom of the connecting plate (6), a pressure relief hole (17) is formed in the connecting plate (6) corresponding to the plug, the floating ball (13) is sleeved on the guiding rod (7), and the lever (14) is positioned at the upper side of the floating ball (13).

2. A ball float valve as claimed in claim 1, wherein: the utility model provides a valve casing (1) is including last valve casing (101) and lower valve casing (102) of mutual lock joint, last valve casing (101) top is equipped with inlet tube screwed joint (103) with inlet channel (4) intercommunication, be equipped with nut (12) on inlet tube screwed joint (103), outlet channel (5) stretch out lower valve casing (102) bottom, inlet opening (8) are established in lower valve casing (102) bottom.

3. A ball float valve as claimed in claim 1, wherein: a spring guide rod (15) is arranged on one side of the spring (11), a guide through hole (18) is formed in the sealing plate tray (10) corresponding to the spring guide rod (15), and the spring guide rod (15) moves up and down in the guide through hole (18).

4. A ball float valve as claimed in claim 1, wherein: one side of the floating ball (13) is provided with a yielding gap (19) for placing the water outlet channel (5).