Anti-blocking ball valve

Abstract

The utility model discloses an anti-blocking ball valve, and particularly relates to the technical field of ball valves, the anti-blocking ball valve comprises a valve body, a ball valve cavity is arranged on the inner side of the valve body, an anti-leakage pad is fixedly arranged on the inner wall of the ball valve cavity, and a connecting seat is fixedly arranged at the upper end of the valve body; a semi-ball valve mechanism capable of preventing water flow from passing through is arranged in the anti-leakage pad and used for preventing water flow from passing through and increasing the space for water flow to pass through at the same time; the semi-ball valve mechanism comprises a semi-ball body, the semi-ball body is movably arranged in the anti-leakage pad, a water flowing groove is formed in the inner side of the semi-ball body, and a sewage draining opening is formed in the lower end of the water flowing groove; the lower end of the valve body is provided with a dirt discharge device capable of extracting dirt in the valve body, and the dirt discharge device is used for cleaning dirt blocked in the valve body; the dirt discharging device comprises a piston which is movably arranged on the inner side of the dirt discharging opening. Through the arrangement of the semi-ball valve mechanism, the circulation space can be larger, and through the arrangement of the dirt discharging device, dirt inside the valve body can be cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field more specifically, the utility model relates to a kind of anti-clogging ball valves. BACKGROUND

[0002] Ball valve is usually composed of valve body, valve stem, handle and valve ball arranged in valve body, one end of valve stem is connected with valve ball, the other end is connected with handle, when using, it can drive valve stem and valve ball to rotate by rotating handle, to realize the purpose of connecting or cutting off liquid medium flow channel in valve body;But ball valve is used, because impurities are carried in liquid flowing in the interior of ball valve body, long time, impurities in liquid can cause clogging to ball valve, greatly reduce the use effect and service life of ball valve, therefore, a kind of anti-clogging ball valve is presented.

[0003] Through the retrieval, for example, a kind of anti-clogging ball valve is disclosed in Chinese patent application with the publication number CN210978599U, piston cylinder is fixedly connected at the bottom of valve seat, piston is slidably connected between the inner wall of piston cylinder, the top of piston cylinder is communicated with connecting pipe, the top of connecting pipe is sequentially penetrated through valve seat, ball and extends to the inside of ball, the surface of connecting pipe and located in the inside of ball is provided with round hole, the bottom of piston is fixedly connected with push rod, the bottom of push rod is penetrated through piston cylinder and extends to the bottom of piston cylinder, one end of push rod extending to the bottom of piston cylinder is fixedly connected with push handle, so that the push handle is pulled down, can drive push rod to move down further drive piston to move down, further, water in water hole can be sucked into piston cylinder through round hole, then push handle is squeezed upward, so that the water is reflushed into water hole, water hole receives the impact of pressure water, will keep unobstructed state, effectively prevent ball valve from clogging, cleaning is relatively simple, and operation is convenient.

[0004] However, the above scheme is used, and the water flow in the interior of ball is reciprocated by pulling push rod, and the water flow and dirt are discharged from the round hole of connecting pipe, when dirt is solid, it is difficult to extract due to the small size of round hole, which can cause continuous clogging in the interior of ball valve, and the above scheme is difficult to discharge the clogged dirt. TECHNICAL PROBLEM

[0005] In order to overcome the above-mentioned defects of the prior art, the embodiments of the utility model provide a kind of anti-clogging ball valve, the technical problems to be solved are: it is difficult to handle solid dirt of larger volume, and it is difficult to discharge dirt.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-clogging ball valve, including valve body:

[0007] The inside of the valve body is provided with ball valve cavity, the inner wall of the ball valve cavity is fixedly provided with leak-proof pad, the upper end of the valve body is fixedly provided with connecting seat;

[0008] The leak-proof pad is internally provided with a half-ball valve mechanism capable of blocking water flow, for blocking water flow while increasing the space for water flow;

[0009] The half-ball valve mechanism comprises a half-ball body movably arranged inside the leak-proof pad, a water flow groove is formed in the inner side of the half-ball body, and a sewage outlet is formed at the lower end of the water flow groove;

[0010] The lower end of the valve body is provided with a sewage discharge device capable of discharging the dirt inside the valve body, for cleaning the dirt clogging inside the valve body;

[0011] The sewage discharge device comprises a piston movably arranged inside the sewage outlet.

[0012] In a preferred embodiment, a connecting column is fixedly arranged at the upper end of the half-ball body, the connecting column is arranged inside the connecting seat, and a rotating rod is fixedly arranged at the outer surface of the upper end of the connecting column.

[0013] In a preferred embodiment, the sewage outlet is communicated with a limiting tube, a threaded tube is fixedly arranged at the lower end of the limiting tube, and the limiting tube penetrates through the lower end of the ball valve cavity.

[0014] In a preferred embodiment, a pulling rod is fixedly arranged at the lower end of the piston, and a limiting plate is fixedly arranged at the outer surface of the pulling rod.

[0015] In a preferred embodiment, a threaded sleeve is movably arranged at the outer surface of the pulling rod, and the threaded sleeve is threadedly connected with the threaded tube.

[0016] In a preferred embodiment, the limiting plate is arranged between the threaded tube and the threaded sleeve.

[0017] In a preferred embodiment, a water inlet is fixedly arranged at one end of the valve body, a water outlet is fixedly arranged at the other end of the valve body, and the water inlet and the water outlet are respectively connected with two water pipes.

[0018] The technical effects and advantages of the present application are as follows:

[0019] 1、the half-ball body rotates in the ball valve cavity, thereby realizing the blocking and flowing of water flow, the half-ball body is adopted, the occupied space inside the ball valve cavity is reduced, when water flow passes through the water flow groove, the flowing space is larger, the probability of blockage of foreign matters is reduced, and the anti-blocking effect of the present application is improved;

[0020] 2, the utility model discloses a dirty effect of cleaning is realized, when the inside of valve body is blocked by larger foreign matter, can be inserted into the threaded pipe through the tool, can hook out foreign matter, when foreign matter is discharged, through the piston inserts the blowdown, and makes the threaded sleeve with threaded pipe screw connection, makes the fixed limiting plate, thereby can continue using the utility model, therefore improved the practicality of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is whole structure schematic diagram of the utility model.

[0022] Figure 2 It is side section structure schematic diagram of the utility model.

[0023] Figure 3 It is half -ball valve mechanism structure schematic diagram of the utility model.

[0024] Figure 4 It is dirty discharge device structure schematic diagram of the utility model.

[0025] The figure mark is: 1, valve body;2, half -ball valve mechanism;3, dirty discharge device;4, water inlet;5, drain outlet;6, connecting seat;7, rotary rod;8, ball valve cavity;9, connecting column;10, leak -proof pad;21, half -ball;22, water flow groove;23, blowdown;24, limiting pipe;25, threaded pipe;31, piston;32, pull rod;33, limiting plate;34, threaded sleeve. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the ball valve field without making creative labor belong to the protection scope of the utility model.

[0027] As Figure 1 And 2 The utility model provides a kind of anti-blocking ball valve, including valve body 1:

[0028] Ball valve cavity 8 is set in the inside of valve body 1, leak-proof pad 10 is fixedly arranged on the inner wall of ball valve cavity 8, connecting seat 6 is fixedly arranged on the upper end of valve body 1, water inlet 4 is fixedly arranged on one end of valve body 1, drain outlet 5 is fixedly arranged on the other end of valve body 1, and water inlet 4 and drain outlet 5 are respectively connected to two water pipes.

[0029] In order to make the flow space larger, thereby reducing the probability of foreign matter blockage, the leak-proof pad 10 is internally provided with a half-ball valve mechanism 2 capable of blocking water flow, for blocking water flow while increasing the space for water flow;

[0030] As shown in Figure 3 , the half-ball valve mechanism 2 comprises a half-ball 21 movably arranged inside the leak-proof pad 10, a water flow groove 22 is formed in the inner side of the half-ball 21, a sewage outlet 23 is formed at the lower end of the water flow groove 22, a connecting column 9 is fixedly arranged at the upper end of the half-ball 21, the connecting column 9 is located inside the connecting seat 6, a rotating rod 7 is fixedly arranged at the outer surface of the upper end of the connecting column 9, the lower end of the sewage outlet 23 is communicated with a limiting tube 24, a threaded tube 25 is fixedly arranged at the lower end of the limiting tube 24, the limiting tube 24 penetrates through the lower end of the ball valve cavity 8, and the half-ball 21 rotates in the ball valve cavity 8, thereby achieving the blocking and flowing of water flow. The half-ball 21 is adopted, which can reduce the occupied space inside the ball valve cavity 8, so that when the water flow passes through the water flow groove 22, the flow space is larger, thereby reducing the probability of foreign matter blockage, and improving the anti-blocking effect of the utility model.

[0031] Further, in order to be able to clean the dirt inside the valve body 1, and be able to hook out larger foreign matter by inserting a tool, the lower end of the valve body 1 is provided with a dirt discharge device 3 capable of discharging the dirt inside the valve body 1, for cleaning the blocked dirt inside the valve body 1;

[0032] As shown in Figure 4 , the dirt discharge device 3 comprises a piston 31 movably arranged inside the sewage outlet 23, a pulling rod 32 is fixedly arranged at the lower end of the piston 31, a limiting plate 33 is fixedly arranged on the outer surface of the pulling rod 32, a threaded sleeve 34 is movably arranged on the outer surface of the pulling rod 32, the threaded sleeve 34 is threadedly connected with the threaded tube 25, and the limiting plate 33 is located between the threaded tube 25 and the threaded sleeve 34. By pulling the pulling rod 32, the piston 31 is extracted from the sewage outlet 23, and the piston 31 is matched with the sewage outlet 23, so that the blocked matter inside the valve body 1 can be extracted, and the blocked matter is discharged from the sewage outlet 23, thereby achieving the cleaning effect of the dirt. When the valve body 1 is blocked by larger foreign matter, a tool can be inserted into the threaded tube 25 to hook out the foreign matter. When the foreign matter is discharged, the piston 31 is inserted into the sewage outlet 23, the threaded sleeve 34 is threadedly connected with the threaded tube 25, and the limiting plate 33 is fixed, so that the utility model can be continuously used, thereby improving the practicability of the utility model.

[0033] The working principle is as follows: in use, the water inlet 4 and the drain 5 are connected between two water pipes respectively, the half ball valve mechanism 2 can increase the space of water flow channel, reduces the probability of being blocked, when the utility model is blocked, the dirty discharge device 3 can clean the dirty inside the utility model, avoids dirty flowing into the water pipe again, improves the practicability of the utility model.

[0034] In addition, it is worth mentioning that the water inlet 4 and the drain 5 can be connected with the water pipe through flanges, and the connection structure belongs to mature prior art, so it is not further described in the utility model.

[0035] The above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. An anti-clogging ball valve, comprising a valve body (1), characterized in that: The valve body (1) has a ball valve cavity (8) inside, and a leak-proof gasket (10) is fixedly provided on the inner wall of the ball valve cavity (8). A connecting seat (6) is fixedly provided on the upper end of the valve body (1). The leak-proof pad (10) is equipped with a hemispherical valve mechanism (2) that can block the flow of water, which is used to block the flow of water while increasing the space for the flow of water. The hemispherical valve mechanism (2) includes a hemispherical body (21), which is movably disposed inside the anti-leakage pad (10). A water channel (22) is provided on the inner side of the hemispherical body (21), and a drain outlet (23) is provided at the lower end of the water channel (22). The lower end of the valve body (1) is provided with a dirt discharge device (3) that can extract dirt from the inside of the valve body (1) for cleaning the dirt that is blocked inside the valve body (1); The dirty discharge device (3) includes a piston (31), which is movably disposed inside the drain outlet (23).

2. The anti-clogging ball valve according to claim 1, characterized in that: A connecting column (9) is fixedly provided at the upper end of the hemisphere (21). The connecting column (9) is located inside the connecting seat (6). A rotating rod (7) is fixedly provided on the outer surface of the upper end of the connecting column (9).

3. The anti-clogging ball valve according to claim 1, characterized in that: The lower end of the drain outlet (23) is connected to a limiting pipe (24), and a threaded pipe (25) is fixedly provided at the lower end of the limiting pipe (24). The limiting pipe (24) passes through the lower end of the ball valve cavity (8).

4. The anti-clogging ball valve according to claim 3, characterized in that: The piston (31) is fixedly provided with a pull rod (32) at its lower end, and a limiting plate (33) is fixedly provided on the outer surface of the pull rod (32).

5. The anti-clogging ball valve according to claim 4, characterized in that: The outer surface of the pull rod (32) is provided with a threaded sleeve (34), which is threadedly connected to the threaded tube (25).

6. The anti-clogging ball valve according to claim 4, characterized in that: The limiting plate (33) is located between the threaded pipe (25) and the threaded sleeve (34).

7. The anti-clogging ball valve according to claim 1, characterized in that: The valve body (1) has a water inlet (4) fixed at one end and a drain outlet (5) fixed at the other end. The water inlet (4) and the drain outlet (5) are respectively connected to two water pipes.

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