Ball valve with self-cleaning function

Abstract

The self-cleaning ball valve comprises a valve body, a first bolt penetrates through one side of the valve body, a valve element is installed in the valve body, an upper groove is formed in the upper portion of the valve element, a lower groove is formed in the lower portion of the valve element, a first fixing seat is installed in the upper groove, and a second fixing seat is installed in the lower portion of the valve element. A valve rod is mounted in the first fixing seat, and the outer side of the valve rod is sleeved with a sealing seat; according to the ball valve with the self-cleaning function, through matched use of the sewage discharging mechanism, in the using process of the ball valve, the valve element is rotated firstly, a channel is closed, a medium washes the interior of the valve body in the closing process, impurities are washed to the bottom, after closing is completed, the high-pressure valve is opened, and the medium and part of the impurities in the valve body leak out; after leakage is completed, the bolt is screwed to open the lower gland, the second sealing ring is taken out, and other impurities can be taken out, so that the impurities are easy to clean, time and labor are saved, and the cleaning efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valves, in particular to a ball valve with self-cleaning function. Background Technique

[0002] A ball valve is a valve driven by a valve stem and rotating around the axis of the ball valve, and can also be used for the regulation and control of fluids. Among them, the hard-sealed V-type ball valve has a strong shearing force between the V-type ball core and the metal valve seat surfacing hard alloy, and is especially suitable for media containing fibers, tiny solid particles, etc. The multi-way ball valve can not only flexibly control the confluence, diversion and flow direction switching of the medium on the pipeline, but also close any channel to connect the other two channels.

[0003] The existing ball valve has low self-cleaning efficiency. It is necessary to disassemble the valve body and clean the impurities cleaned by self-cleaning. The process of disassembling the valve body is time-consuming and cannot complete the impurity cleaning work independently, resulting in low efficiency. Therefore, it is necessary to propose a ball valve with self-cleaning function. Summary of the Invention

[0004] The purpose of the utility model is to provide a ball valve with self-cleaning function to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A ball valve with self-cleaning function, including a valve body, a first bolt penetrates through one side of the valve body, a valve core is installed inside the valve body, an upper groove is opened above the valve core, a lower groove is opened below the valve core, a first fixing seat is installed inside the upper groove, a valve stem is installed inside the first fixing seat, a sealing seat is sleeved outside the valve stem, a first sealing ring is installed above the sealing seat, an O-ring is installed above the first sealing ring, an upper gland is installed above the O-ring, a second bolt penetrates through one side of the upper gland, a sewage discharge mechanism is installed below the lower groove, and fixing mechanisms are installed on both sides of the valve core;

[0006] The sewage discharge mechanism includes a second fixing seat, a support seat, a second sealing ring, a lower gland, a high-pressure valve and a third bolt. The second fixing seat is installed below the lower groove, a support seat is installed below the second fixing seat, a second sealing ring is installed below the support seat, a lower gland is installed below the second sealing ring, a high-pressure valve is installed below the lower gland, and a third bolt penetrates through the inside of the lower gland.

[0007] Preferably, the valve core forms a rotating structure with the valve body through the first fixing seat, and one side of the first fixing seat is in contact with the lower end of the valve stem.

[0008] Preferably, the lower pressing cover is threadedly connected to the valve body through a third bolt, and one side of the lower pressing cover is in contact with one side of the valve body.

[0009] Preferably, the fixing mechanism includes an internal thread ring, a third sealing ring, an external thread ring and a fixing ring. The internal thread ring is installed on one side of the valve core. An external thread ring is installed on one side of the internal thread ring. A third sealing ring is sleeved on the outside of the external thread ring. A fixing ring is sleeved on the outside of the external thread ring.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. For this kind of ball valve with self-cleaning function, through the coordinated use of the sewage discharge mechanism, during the use of the device, first rotate the valve core to close the channel. During the closing process, the medium flushes the inside of the valve body, flushing the impurities to the bottom. After closing, open the high-pressure valve to allow the medium and some impurities in the valve body to leak out. After leaking, turn the third bolt to open the lower pressing cover, take out the second sealing ring, and the remaining impurities can be taken out. In this way, it is easier to clean the impurities, saving time and manpower and improving the cleaning efficiency;

[0012] 2. For this kind of ball valve with self-cleaning function, through the setting of the fixing mechanism, during the use of the device, install the fixing ring and the external thread ring on one side in sequence, put the third sealing ring on the external thread ring, then threadedly connect the internal thread ring and the external thread ring, so that the third sealing ring is in close contact with the fixing ring, which can achieve a sealing effect between the fixing ring and the external thread ring. Install the valve core inside the external thread ring, and finally install the external thread ring, the third sealing ring, the internal thread ring and the fixing ring on the other side in sequence, which can tightly fix the valve core inside the valve body and prevent the valve core from moving and affecting the use. Description of the Drawings

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is a schematic diagram of the sectional structure of the valve body of the present utility model;

[0015] Figure 3 is a schematic diagram of the valve stem structure of the present utility model;

[0016] Figure 4 is a schematic diagram of the sewage discharge mechanism structure of the present utility model;

[0017] Figure 5 is a schematic diagram of the fixing mechanism structure of the present utility model.

[0018] In the figure: 1. Valve body; 2. First bolt; 3. Valve core; 4. Upper groove; 5. Lower groove; 6. First fixing seat; 7. Valve rod; 8. Sealing seat; 9. First sealing ring; 10. O-ring; 11. Upper gland; 12. Second bolt; 13. Drainage mechanism; 1301. Second fixing seat; 1302. Support seat; 1303. Second sealing ring; 1304. Lower gland; 1305. High-pressure valve; 1306. Third bolt; 14. Fixing mechanism; 1401. Internal thread ring; 1402. External thread ring; 1403. Third sealing ring; 1404. Fixing ring. Detailed implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-4 , the present invention provides a technical solution: a ball valve with self-cleaning function, including a valve body 1. A first bolt 2 penetrates through one side of the valve body 1. A valve core 3 is installed inside the valve body 1. The valve core 3 forms a rotating structure with the valve body 1 through a first fixing seat 6. One side of the first fixing seat 6 is in contact with the lower end of the valve rod 7. After the valve core 3 rotates, the channel can be closed. During the closing process, the medium flushes the inside of the valve body 1 and the outside of the valve core 3, washing the impurities attached to the outside of the valve core 3 and the impurities inside the valve body 1 to the bottom. An upper groove 4 is opened above the valve core 3, and a lower groove 5 is opened below the valve core 3. The first fixing seat 6 is installed inside the upper groove 4, the valve rod 7 is installed inside the first fixing seat 6, a sealing seat 8 is sleeved outside the valve rod 7, a first sealing ring 9 is installed above the sealing seat 8, an O-ring 10 is installed above the first sealing ring 9, an upper gland 11 is installed above the O-ring 10, a second bolt 12 penetrates through one side of the upper gland 11. A drainage mechanism 13 is installed below the lower groove 5. The drainage mechanism 13 includes a second fixing seat 1301, a support seat 1302, a second sealing ring 1303, a lower gland 1304, a high-pressure valve 1305 and a third bolt 1306. The second fixing seat 1301 is installed below the lower groove 5, a support seat 1302 is installed below the second fixing seat 1301, a second sealing ring 1303 is installed below the support seat 1302, a lower gland 1304 is installed below the second sealing ring 1303, a high-pressure valve 1305 is installed below the lower gland 1304, a third bolt 1306 penetrates through the inside of the lower gland 1304. The lower gland 1304 is threadedly connected to the valve body 1 through the third bolt 1306, and one side of the lower gland 1304 is in contact with one side of the valve body 1.

[0021] Please refer to Figure 2 and Figure 5 On both sides of the valve core 3, a fixing mechanism 14 is installed. The fixing mechanism 14 includes an internal thread ring 1401, a third sealing ring 1403, an external thread ring 1402, and a fixing ring 1404. The internal thread ring 1401 is installed on one side of the valve core 3. On one side of the internal thread ring 1401, an external thread ring 1402 is installed. The outside of the external thread ring 1402 is sleeved with a third sealing ring 1403, and the outside of the external thread ring 1402 is sleeved with a fixing ring 1404. The third sealing ring 1403 is in close contact with the fixing ring 1404, which can achieve a sealing effect between the fixing ring 1404 and the external thread ring 1402. The internal thread ring 1401 is threadedly connected to the external thread ring 1402. One side of the external thread ring 1402 is an arc structure. The external thread ring 1402 is snap-connected to the fixing ring 1404, and one side of the external thread ring 1402 conforms to the shape of one side of the fixing ring 1404.

[0022] Working principle: When using the self-cleaning ball valve, during daily cleaning, rotate the valve stem 7 to drive the valve core 3 to rotate and close the channel. During the closing process, the medium flushes the inside of the valve body 1 and the outside of the valve core 3, flushing the impurities attached to the outside of the valve core 3 and the impurities inside the valve body 1 to the bottom. After closing, open the high-pressure valve 1305 to allow the medium and some impurities in the valve body 1 to leak out. After leaking, turn the third bolt 1306 to open the lower pressure cover 1304 and take out the second sealing ring 1303, and the remaining impurities can be taken out. In this way, it is easier to clean the impurities, saving time and manpower, improving the cleaning efficiency, and realizing the self-cleaning of the ball valve. The model of the high-pressure valve 1305 is BKHSS-FNS06. Just like this, the use process of the self-cleaning ball valve is completed.

[0023] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ball valve with self-cleaning function, comprising a valve body (1), characterized in that: A first bolt (2) passes through one side of the valve body (1); a valve core (3) is installed inside the valve body (1); an upper groove (4) is provided above the valve core (3); a lower groove (5) is provided below the valve core (3); a first fixing seat (6) is installed inside the upper groove (4); a valve stem (7) is installed inside the first fixing seat (6); a sealing seat (8) is sleeved on the outer side of the valve stem (7); a first sealing ring (9) is installed above the sealing seat (8); an O-ring (10) is installed above the first sealing ring (9); an upper gland (11) is installed above the O-ring (10); a second bolt (12) passes through one side of the upper gland (11); a sewage discharge mechanism (13) is installed below the lower groove (5); and fixing mechanisms (14) are installed on both sides of the valve core (3); The sewage discharge mechanism (13) comprises a second fixed seat (1301), a support seat (1302), a second sealing ring (1303), a lower pressure cover (1304), a high-pressure valve (1305) and a third bolt (1306); the second fixed seat (1301) is installed below the lower groove (5); the support seat (1302) is installed below the second fixed seat (1301); the second sealing ring (1303) is installed below the support seat (1302); the lower pressure cover (1304) is installed below the second sealing ring (1303); the high-pressure valve (1305) is installed below the lower pressure cover (1304); and the third bolt (1306) runs through the interior of the lower pressure cover (1304).

2. The ball valve with self-cleaning function according to claim 1, characterized in that, The valve core (3) forms a rotating structure with the valve body (1) via a first fixing seat (6), and one side of the first fixing seat (6) is in contact with the lower end of the valve stem (7).

3. The ball valve with self-cleaning function according to claim 1, characterized in that, The lower pressure cover (1304) is threadedly connected to the valve body (1) via a third bolt (1306), and one side of the lower pressure cover (1304) is in close contact with one side of the valve body (1).

4. A ball valve with self-cleaning function according to claim 1, characterized in that, The fixing mechanism (14) comprises an internal thread ring (1401), a third sealing ring (1403), an external thread ring (1402) and a fixing ring (1404); the internal thread ring (1401) is mounted on one side of the valve core (3); the external thread ring (1402) is mounted on one side of the internal thread ring (1401); the third sealing ring (1403) is sleeved on the outer side of the external thread ring (1402); and the fixing ring (1404) is sleeved on the outer side of the external thread ring (1402).

5. A ball valve with self-cleaning function according to claim 4, characterized in that, The internal thread ring (1401) is threadably connected to the external thread ring (1402), and one side of the external thread ring (1402) is an arc-shaped structure.

6. A ball valve with self-cleaning function according to claim 4, characterized in that, The external thread ring (1402) is snap-connected with the fixing ring (1404), and one side of the external thread ring (1402) matches the shape of one side of the fixing ring (1404).

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