Drain valve with water accumulation prevention function

Abstract

The utility model provides a drain valve with a water accumulation prevention function. The drain valve with the water accumulation prevention function comprises a valve body; the sealing assembly is fixedly connected to the top of the valve body, a first rotating shaft and a second rotating shaft are installed in the sealing assembly through sealing discs correspondingly, a ball body is installed at the bottom end of the second rotating shaft through a connecting disc, and a through channel is formed in the position, located on one side, of the outer surface of the ball body. An adjusting disc is installed at the top end of the first rotating shaft, a second limiting ring and a first limiting ring are installed at the positions, close to the middle, in the valve body, and a sealing ring is arranged on the other side of the first limiting ring. According to the drain valve with the water accumulation prevention function, the sealing performance of the valve body can be improved through the structure, the drainage groove capable of draining water is formed in the drainage end, accumulated water can be drained, and impurity precipitation in the accumulated water is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to drainage valve technical field especially, relate to a kind of drainage valve with anti-accumulation of water function. BACKGROUND

[0002] Drainage valve is a kind of indispensable water industry product, mainly applied in city, building, enterprise water supply and drainage engineering, industrial and domestic sewage treatment and water conservancy engineering and other fields, and the more main application is various kinds of low pressure valve, including various kinds of butterfly valve and gate valve other still ball valve, check valve, exhaust valve, plug valve, diaphragm valve, pressure reducing valve, flow regulating valve, sludge valve etc.

[0003] And ball valve belongs to one kind of drainage valve, the opening and closing member of ball valve is spherical body with circular channel to realize, and the spherical body rotation realizes flow in drainage valve, and the spherical body rotates with valve rod to reach the purpose of opening and closing channel.

[0004] Ball valve opens valve, water flows from the inside of opening and closing member, and water is accumulated in the ball cavity of opening and closing member, after the rotation of opening and closing member, the water remaining in ball cavity cannot be discharged in time, forms dead water, and sediment is produced inconveniently after long time.

[0005] Therefore, it is necessary to provide a kind of drainage valve with anti-accumulation of water function to solve the above technical problems. INVENTION CONTENTS

[0006] The utility model provides a kind of drainage valve with anti-accumulation of water function, solve the problem that spherical body in spherical body drainage valve is easy to accumulate water in the inside of drainage valve shell during working process, cannot be discharged completely after drainage valve is closed, sediment is produced inconveniently after long time.

[0007] To solve the above technical problems, the drainage valve with anti-accumulation of water function provided by the utility model includes: valve body;

[0008] Sealing assembly, the sealing assembly is fixedly connected at the top of valve body, the inside of sealing assembly is respectively provided with first rotating shaft and second rotating shaft by sealing disc, the bottom of second rotating shaft is provided with spherical body by connecting disc, the outside surface of spherical body is provided with through channel at one side, the top of first rotating shaft is provided with adjusting disc, the inside of valve body is respectively provided with second limit ring and first limit ring near middle, the other side of first limit ring is provided with sealing ring;

[0009] Drainage groove, the drainage groove is provided in the inner surface of valve body and is located at the bottom near one end of second butt joint pipe, one end of valve body is fixedly connected with first butt joint pipe, the other side of valve body is fixedly connected with second butt joint pipe, the inner surface of second butt joint pipe is provided with butt joint groove at the bottom, the top of valve body is provided with through hole;

[0010] The second limiting ring and the first limiting ring are respectively located at two sides of the outer surface of the ball, increase the connection sealing property, but do not affect the rotation of the ball, the second limiting ring and the first limiting ring are both silica gel materials, the sealing ring cooperates with the convex surface of the ball to seal the water inlet direction of the valve body, increases the sealing property, the butt joint groove and the drainage groove are communicated, and the starting point of the drainage groove is located below the second limiting ring.

[0011] Preferably, the outer surfaces of the second butt joint pipe and the first butt joint pipe are provided with installation grooves, and the installation grooves are provided with rubber rings;

[0012] The rubber ring is used for assisting the sealing property of the connection between the second butt joint pipe and the first butt joint pipe and the pipeline. Figure 1 .

[0013] Preferably, the sealing assembly comprises a sealing pipe, a sealing cover is arranged at the top of the sealing pipe, and a second supporting ring is arranged at the bottom end of the sealing cover;

[0014] The second supporting ring is inserted into the inside of the sealing pipe.

[0015] Preferably, a first supporting ring is arranged at the bottom of the inner wall of the sealing pipe through a butt joint ring, and a first sealing ring and a second sealing ring are arranged in the sealing pipe respectively;

[0016] The bottom end of the first supporting ring is in contact with the bottom end of the inner wall of the sealing pipe, so that the sealing property of the connection between the second rotating shaft and the sealing pipe is increased, and the first sealing ring and the second sealing ring are respectively located at the bottom end and the top end of the sealing disc.

[0017] Preferably, a bottom cover is arranged below the valve body through two installation bolts, and a top cover is arranged at the top of the bottom cover through four groups of magnet blocks.

[0018] The bottom cover and the top cover can wrap the valve body.

[0019] Preferably, installation openings are arranged at two sides of the bottom cover and the top cover, and a butt joint opening is arranged at the top of the top cover.

[0020] The butt joint opening is convenient for the sealing assembly to pass through.

[0021] Compared with the related art, the drainage valve with the water accumulation prevention function has the following advantages

[0022] Beneficial effects:

[0023] The utility model provides a kind of drainage valve with anti-accumulation of water function, to avoid the internal water deposition of drainage valve after closing, drainage groove and butt joint groove are respectively opened in the bottom of the inner wall of valve body and second butt joint pipe, and the actual point of drainage groove is located below first limiting ring, can be drained after the closing of drainage valve The water under the ball, while the first limiting ring and the second limiting ring in the inside of valve body limit the position of the outer surface of ball on both sides, can make ball only can rotate but will not deviate position, and ball is installed in the inside of valve body by sealing assembly, and one sealing ring is installed in the import direction of valve body, can improve sealing effect after cooperation sealing ring after ball closing, the sealing property of valve body can be improved by the structure, and the drainage groove that can drain is opened in discharge end can drain water, avoid the impurity deposition in water. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The first embodiment structure diagram of the drainage valve with anti-accumulation of water function provided by the utility model is provided.

[0025] Figure 2 The structure diagram of ball provided by the utility model is provided.

[0026] Figure 3 The structure diagram of first sealing ring provided by the utility model is provided. Figure 2 The enlarged view of A shown in the figure.

[0027] Figure 4 The structure diagram of first sealing ring provided by the utility model is provided.

[0028] Figure 5 The second embodiment structure diagram of the drainage valve with anti-accumulation of water function provided by the utility model is provided.

[0029] Figure 6 The structure diagram of mounting bolt provided by the utility model is provided.

[0030] Reference numerals in the figure: 1, valve body, 2, first butt joint pipe, 3, sealing assembly, 301, sealing cover, 302, sealing pipe, 303, butt joint ring, 304, first support ring, 305, first sealing ring, 306, second sealing ring, 307, second support ring, 4, adjusting disc, 5, second butt joint pipe, 6, passageway, 7, ball, 8, second limiting ring, 9, first limiting ring, 10, sealing ring, 11, through hole, 12, butt joint groove, 13, drainage groove, 14, rubber ring, 15, mounting groove, 16, first rotating shaft, 17, second rotating shaft, 18, connecting disc, 19, sealing disc, 20, bottom cover, 21, mounting port, 22, top cover, 23, butt joint port, 24, magnet block, 25, mounting bolt. DETAILED DESCRIPTION

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0032] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A schematic diagram of the structure of the first embodiment of the drain valve with anti-water accumulation function provided by this utility model; Figure 2 This invention provides a structural schematic diagram of a sphere; Figure 3 Provided for this utility model Figure 2 An enlarged view of point A shown; Figure 4 A schematic diagram of the structure of the first sealing ring is provided for this utility model. The drain valve with anti-water accumulation function includes: valve body 1;

[0033] A sealing assembly 3 is fixedly connected to the top of the valve body 1. Inside the sealing assembly 3, a first rotating shaft 16 and a second rotating shaft 17 are respectively installed through a sealing disc 19. A ball 7 is installed at the bottom end of the second rotating shaft 17 through a connecting disc 18. A through channel 6 is opened on one side of the outer surface of the ball 7. An adjusting disc 4 is installed at the top of the first rotating shaft 16. A second limiting ring 8 and a first limiting ring 9 are respectively installed near the middle inside the valve body 1. A sealing ring 10 is provided on the other side of the first limiting ring 9.

[0034] A drainage groove 13 is formed on the inner surface of the valve body 1 at the bottom near the second pair of connecting pipes 5. One end of the valve body 1 is fixedly connected to the first pair of connecting pipes 2, and the other side of the valve body 1 is fixedly connected to the second pair of connecting pipes 5. The inner surface of the second pair of connecting pipes 5 is provided with a docking groove 12 at the bottom position, and the top of the valve body 1 is provided with a through hole 11.

[0035] The second limiting ring 8 and the first limiting ring 9 are located on both sides of the outer surface of the ball 7, respectively, to increase the connection sealing, but do not affect the rotation of the ball 7. Both the second limiting ring 8 and the first limiting ring 9 are made of silicone. The sealing ring 10, in conjunction with the convex surface of the ball 7, can seal the water inlet direction of the valve body 1, increasing the sealing performance. The docking groove 12 and the drain groove 13 are connected. The starting point of the drain groove 13 is located below the second limiting ring 8. The second rotating shaft 17 passes through the through hole 11. The sealing ring 10 is also made of silicone.

[0036] The outer surfaces of the second pair of connectors 5 and the first pair of connectors 2 are provided with mounting grooves 15, and rubber rings 14 are provided inside the mounting grooves 15.

[0037] Rubber ring 14 is used to ensure the sealing of the connection between the second pair of connecting pipes 5 and the first pair of connecting pipes 2 and the pipeline. The position of the mounting groove 15 is referenced. Figure 1 .

[0038] The sealing assembly 3 comprises a sealing pipe 302, a sealing cover 301 is mounted on the top of the sealing pipe 302, and a second supporting ring 307 is mounted on the bottom end of the sealing cover 301;

[0039] The second supporting ring 307 is inserted into the inside of the sealing pipe 302, and the sealing pipe 302 is provided with a first supporting ring 304 through a butt joint ring 303 at the bottom of the inner wall of the sealing pipe 302, and the inside of the sealing pipe 302 is respectively provided with a first sealing ring 305 and a second sealing ring 306; Figure 4 .

[0040] The bottom end of the first supporting ring 304 is in contact with the bottom end of the inner wall of the sealing pipe 302, the sealing property of the connection part between the second rotating shaft 17 and the sealing pipe 302 is increased, the first sealing ring 305 and the second sealing ring 306 are respectively located at the bottom end and the top end of the sealing disc 19, and the sealing pipe 302 is provided with a sealing cover 301 on the top of the sealing pipe 302, and the sealing cover 301 is provided with a second supporting ring 307 on the bottom end of the sealing cover 301;

[0041] The bottom end of the first supporting ring 304 is in contact with the bottom end of the inner wall of the sealing pipe 302, the sealing property of the connection part between the second rotating shaft 17 and the sealing pipe 302 is increased, the first sealing ring 305 and the second sealing ring 306 are respectively located at the bottom end and the top end of the sealing disc 19, and the sealing pipe 302 is provided with a sealing cover 301 on the top of the sealing pipe 302, and the sealing cover 301 is provided with a second supporting ring 307 on the bottom end of the sealing cover 301; Figure 4 .

[0042] The working principle of the drainage valve with the water accumulation prevention function is as follows:

[0043] The drainage groove 13 and the butt joint groove 12 are respectively formed in the bottom of the inner wall of the valve body 1 and the second butt joint pipe 5, the actual point of the drainage groove 13 is located below the first limiting ring 9, water accumulation below the ball body 7 can be drained after the drainage valve is closed, the first limiting ring 9 and the second limiting ring 8 are arranged in the inside of the valve body 1 and limit the positions of the outer surface of the ball body 7 on the two sides, so that the ball body 7 can only rotate but cannot deviate from the positions, the ball body 7 is arranged in the inside of the valve body 1 through the sealing assembly 3, and a sealing ring 10 is arranged in the inlet direction of the valve body 1, so that the sealing effect is improved by cooperation of the ball body 7 and the sealing ring 10 after the ball body 7 is closed, in actual use, liquid flows through the channel 6 when the ball body 7 is opened, the valve body 1 is closed by cooperation of the ball body 7 and the sealing ring 10 after the ball body 7 is closed, in this process, the channel 6 is adjacent to the inner surface of the valve body 1 after rotating by 90 degrees, and water accumulation below the ball body 7 is drained from the inside of the valve body 1 through the drainage groove 13 and the butt joint groove 12.

[0044] Compared with the related art, the drainage valve with the water accumulation prevention function has the following advantages:

[0045] Beneficial effects:

[0046] In order to avoid the internal water precipitation of the drain valve after being closed, the drain groove 13 and the butt joint groove 12 are respectively arranged on the bottom of the inner wall of the valve body 1 and the second butt joint pipe 5, and the actual point of the drain groove 13 is below the first limiting ring 9, so that the water under the ball 7 can be drained after the drain valve is closed, and the first limiting ring 9 and the second limiting ring 8 limit the position of the outer surface of the ball 7 on both sides in the valve body 1, so that the ball 7 can only rotate but not deviate, and the ball 7 is installed in the valve body 1 through the sealing assembly 3, and the sealing ring 10 is arranged in the inlet direction of the valve body 1, so that the sealing effect is improved after the ball 7 is closed, and the sealing property of the valve body 1 is improved, and the drain groove 13 arranged on the drain end can drain water, so that the impurities in the water are prevented from being precipitated.

[0047] Second embodiment

[0048] Please refer to Figures 5-6 , Figure 5 The second embodiment of the drain valve with the water accumulation prevention function provided by the utility model is shown in the structure diagram; Figure 6 The second embodiment of the drain valve with the water accumulation prevention function provided by the utility model is shown in the structure diagram;

[0049] Specifically, the drain valve with the water accumulation prevention function provided by the second embodiment of the utility model is different from the first embodiment in that the bottom cover 20 is arranged below the valve body 1 through two mounting bolts 25, and the top cover 22 is arranged on the top of the bottom cover 20 through four groups of magnet blocks 24.

[0050] Two magnet blocks 24 are a group, and the specific installation position is shown in Figure 5 The bottom cover 20 and the top cover 22 can wrap the valve body 1.

[0051] The two sides of the bottom cover 20 and the top cover 22 are provided with mounting openings 21, and the top of the top cover 22 is provided with a butt joint opening 23.

[0052] The butt joint opening 23 is convenient for the sealing assembly 3 to pass through, and the mounting opening 21 is convenient for the pipeline to be installed.

[0053] Compared with the related art, the drain valve with the water accumulation prevention function provided by the utility model has the following advantages

[0054] Beneficial effects:

[0055] In order to increase the protection of the drain valve, a bottom cover 20 is installed below the valve body 1 through two mounting bolts 25, and a top cover 22 is installed on the top of the bottom cover 20 through four groups of magnet blocks 24, so that the top cover 22 can cover the upper half of the valve body 1. In order to facilitate the connection of the pipeline, a mounting port 21 is formed on both sides of the top cover 22 and the bottom cover 20. After the drain valve is installed, the bottom cover 20 can be installed first, and the top cover 22 and the bottom cover 20 are connected, and the sealing assembly 3 passes through the butt joint 23 to facilitate the operation of the adjusting disc 4. Through the structure, the protection of the drain valve is increased, and the cold resistance of the drain valve in winter is also increased.

[0056] The above is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is also included in the patent protection range of the present application.

Claims

1. A drain valve having a water accumulation preventing function, characterized by comprising: 1) a valve body having a drain hole and a valve seat, Include: Valve body; Sealing assembly, sealing assembly is fixedly connected at the top of the valve body, the inside of sealing assembly is respectively installed with first rotating shaft and second rotating shaft through sealing disc, the bottom end of second rotating shaft is installed with ball through connecting disc, the outer surface of ball is opened with through channel at one side, the top end of first rotating shaft is installed with adjusting disc, the inside of valve body is respectively installed with second limiting ring and first limiting ring near the middle, the other side of first limiting ring is provided with sealing ring; Drainage groove, drainage groove is opened in the inner surface of valve body at the bottom near one end of second butt joint pipe, one end of valve body is fixedly connected with first butt joint pipe, the other side of valve body is fixedly connected with second butt joint pipe, the inner surface of second butt joint pipe is opened with butt joint groove at the bottom, the top of valve body is opened with through hole.

2. The drain valve having a water accumulation prevention function according to claim 1, characterized by, The outer surface of second butt joint pipe and first butt joint pipe is opened with mounting groove, the inside of mounting groove is provided with rubber ring.

3. The drain valve having a water accumulation prevention function according to claim 1, characterized by, The sealing assembly contains sealing pipe, sealing cover is installed at the top of sealing pipe, second support ring is installed at the bottom end of sealing cover.

4. The drain valve having a water accumulation prevention function according to claim 3, characterized by, The bottom of inner wall of sealing pipe is installed with first support ring through butt joint ring, the inside of sealing pipe is respectively installed with first sealing ring and second sealing ring.

5. The drain valve having a water accumulation prevention function according to claim 1, characterized by, The bottom of valve body is installed with bottom cover through two mounting bolts, the top of bottom cover is installed with top cover through four groups of magnet blocks.

6. The drain valve having a water accumulation prevention function according to claim 5, characterized by, The two sides of bottom cover and top cover are opened with mounting port, the top of top cover is opened with butt joint port.

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