Non-rising stem flange gate valve easy to disassemble

Abstract

The utility model provides a non-rising stem flange gate valve easy to disassemble, which is simple in structure and has a filtering function, and comprises a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel which are arranged along the radial direction of the valve body, a valve plate and a filter screen which are arranged between the water inlet channel and the water outlet channel, one end of the valve rod is connected with the valve plate, the other end of the valve rod penetrates out of the valve cover, the filter screen is arranged in the water inlet channel, a communicating channel communicated with the outside is formed in the position, in front of the filter screen, of the valve body, and the valve body is in threaded connection with a T-shaped sealing cover for sealing the communicating channel. The sealing cover is provided with a brushing device used for brushing the filter screen, and a sealing device is arranged between the sealing cover and the valve body.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially relates to an easy disassembly type concealed rod flange gate valve. BACKGROUND

[0002] With the development of society, whether in production or in life needs pipeline connection. In pipeline connection, pipeline connecting piece is needed, and the concealed rod flange gate valve is one of the pipeline connecting pieces frequently used.

[0003] In the prior art, in order to facilitate the maintenance and installation of the concealed rod flange gate valve, the easy disassembly type flange gate valve appears. Although it can be conveniently disassembled and meet the use demand, but in the use process, there will be impurities in the water flow, which cannot be filtered and removed in the valve body, thereby easily leading to the deposition of impurities in the conveying pipeline and affecting the smoothness of the pipeline.

[0004] In order to solve this problem, the utility model is produced. UTILITY MODEL CONTENT

[0005] Therefore, in view of the above problems, the utility model provides an easy disassembly type concealed rod flange gate valve with simple structure and filtering function.

[0006] To solve the above technical problems, the utility model takes the following solution: an easy disassembly type concealed rod flange gate valve, which comprises a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel arranged along the radial direction of the valve body, a valve plate arranged between the water inlet channel and the water outlet channel, and a filter screen, wherein the valve body is provided with a valve rod, one end of the valve rod is connected with the valve plate, the other end of the valve rod penetrates out of the valve cover, the filter screen is arranged in the water inlet channel, a communication channel is arranged in front of the filter screen and is connected with the outside, a T-shaped sealing cover is threadedly connected with the valve body and seals the communication channel, a cleaning device for cleaning the filter screen is arranged on the sealing cover, and a sealing device is arranged between the sealing cover and the valve body.

[0007] Further improvement: the cleaning device comprises a brush, a connecting channel is arranged on the sealing cover, an electric telescopic rod is arranged on the sealing cover, the extending rod of the electric telescopic rod is located in the connecting channel, a brush rod is arranged on the brush, and the brush rod is arranged on the extending rod through a connecting device.

[0008] Further improvement: the connecting device comprises a connecting rod, the connecting rod is arranged on the brush rod, a connecting channel is arranged on the extending rod, the connecting rod is arranged on the extending rod, the connecting rod is symmetrically provided with a fixing channel, the extending rod is provided with a sliding channel, a fixing block is slidably arranged in the sliding channel, a pushing device is arranged in the sliding channel and pushes the fixing block to slide into the fixing channel, and a reset device is arranged on the extending rod and resets the fixing block.

[0009] Further improvement is that the pushing device is a spring, one end of the spring is connected with the fixed block, and the other end of the spring is connected with the inner wall of the sliding channel.

[0010] Further improvement is that the returning device comprises a rotating ring, the rotating ring is rotatably sleeved on the extending rod, a magnetic block is arranged on the fixed block matched with the rotating ring, and the fixed block has magnetism matched with the magnetic block.

[0011] Further improvement is that a rotating rod is further arranged, one end of the rotating rod is rotatably connected with the extending rod, the other end of the rotating rod is connected with the brush rod, and an impeller for driving the rotating rod to rotate is arranged on the rotating rod.

[0012] Further improvement is that the valve body is provided with a blow-off channel communicated with the outside at the other end of the sealing cover, and a blow-off plug is threadedly connected in the blow-off channel.

[0013] Further improvement is that the sealing device comprises a sealing ring, a sealing channel is arranged on the valve body, the sealing ring is arranged in the sealing channel, one end of the sealing ring is slid out of the sealing channel and abuts against the sealing cover, and a tension spring is arranged in the sealing channel and used for pushing the sealing ring to seal.

[0014] By adopting the foregoing technical scheme, the beneficial effects of the utility model are as follows:

[0015] The structure is simple, and the filter function is provided. When used, water flows into the water inlet channel, then passes through the filter screen, the filter screen filters impurities, avoids that the impurities and dirt enter the valve body and rust the valve plate and the valve body, avoids blockage in the pipeline and the valve body, and thus the service life of the valve body is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structure schematic view of an easy-to-disassemble type blind flange gate valve according to an embodiment of the utility model.

[0017] Fig. 2 is an enlarged structure schematic view of A in the utility model.

[0018] Fig. 3 is a structure schematic view of a connecting device according to an embodiment of the utility model. DETAILED DESCRIPTION

[0019] The utility model will be further described in combination with the drawings and specific embodiments.

[0020] REFERENCE Figs. 1-3The utility model discloses an easy disassembly type dark rod flange gate valve, including the valve body 1, set up on valve body 1 the valve cover 2, along the water inlet channel and the water outlet channel of valve body 1 radial opening, set up between the valve plate 4 of water inlet channel with water outlet channel, filter screen 5, be equipped with valve stem 3 on valve body 1, valve stem 3 one end is connected with valve plate 4, valve stem 3 the other end passes out valve cover 2, filter screen 5 is located in water inlet channel, the valve body 1 is located in filter screen 5 front and is equipped with the communication channel of being linked with outside in advance, the valve body 1 is screw -threaded with the sealing cover 9 of T of the closed communication channel, be equipped with the cleaning device for cleaning filter screen 5 on sealing cover 9, be equipped with sealing device between sealing cover 9 and valve body 1.

[0021] Specifically, the cleaning device includes a brush 10, a connecting rod 16, a connecting channel is formed in the sealing cover 9, an electric telescopic rod 6 is arranged on the sealing cover 9, the extending rod 11 of the electric telescopic rod 6 is located in the connecting channel, a brush rod 15 is arranged on the brush 10, the connecting rod 16 is arranged on the brush rod 15, a connecting channel is formed in the extending rod 11, the connecting rod 16 is arranged in the extending rod 11, the connecting rod 16 is symmetrically provided with a fixing channel, the extending rod 11 is provided with a sliding channel 18, a fixing block 19 is slidably arranged in the sliding channel 18, a spring 20 is arranged in the sliding channel 18 to push the fixing block 19 to slide into the fixing channel, one end of the spring 20 is connected with the fixing block 19, the other end of the spring 20 is connected with the inner wall of the sliding channel 18, the extending rod 11 is provided with a rotating ring 17 for returning the fixing block 19, the rotating ring 17 is rotatably arranged on the extending rod 11, the rotating ring 17 is provided with a magnetic block (not shown in the figure) matched with the fixing block 19, and the fixing block 19 has magnetism for attracting the magnetic block.

[0022] In order to better tighten the seal and avoid water leakage, the sealing device includes a sealing ring 7, a sealing channel is formed in the valve body 1, the sealing ring 7 is arranged in the sealing channel, one end of the sealing ring 7 slides out of the sealing channel and abuts against the sealing cover 9, and a tightening spring 8 is arranged in the sealing channel to push the sealing ring 7 to seal.

[0023] In order to better clean the filter screen 5, a rotating rod 12 is further arranged, one end of the rotating rod 12 is rotatably connected with the extending rod 11, the other end of the rotating rod 12 is connected with the brush rod 15, and the rotating rod 12 is provided with an impeller 13 for driving the rotating rod 12 to rotate.

[0024] In order to discharge impurities in the valve body 1, a blowdown channel (not shown in the figure) is formed in the other end of the valve body 1 and is connected with the outside, and a blowdown plug (not shown in the figure) is screw-connected in the blowdown channel.

[0025] Working principle:

[0026] When using, water flows from the water inlet channel, and then passes through the filter screen 5, the filter screen 5 filters impurities, avoids impurities and dirt from entering the valve body 1 to rust the valve plate 4 and the valve body 1, avoids blockage in the pipeline and the inside of the valve body 1, thereby prolonging the service life of the valve body 1. When the filter screen 5 filters, the electric push rod works, drives the brush 10 downward, the brush 10 brushes the filter screen 5 downward, and the impeller 13 drives the brush 10 to rotate under the impact of the water flow, thereby better cleaning the filter screen 5. When the brush 10 is to be replaced, the sealing cover 9 is taken out, then the rotating ring 17 is rotated, the magnetic block and the fixed block 19 are in the same horizontal position, the magnetic block and the fixed block 19 are attracted, the fixed block 19 slides into the sliding channel 18, the clamping with the connecting rod 16 is released, then the brush 10 is directly replaced with a new brush 10. Greatly facilitate the operation of the staff, is beneficial to the maintenance and replacement of the staff.

[0027] The basic principle and main features of the utility model and its advantages are shown and described above, and the skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the description are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed, the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A detachable type of dark rod flange gate valve, comprising a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel opened along the radial direction of the valve body, a valve plate arranged between the water inlet channel and the water outlet channel, the valve body is provided with a valve rod, one end of the valve rod is connected with the valve plate, the other end of the valve rod penetrates out of the valve cover, characterized in that: It also includes a filter screen, which is arranged in the water inlet channel, the valve body is located in front of the filter screen and is provided with a communication channel connected with the outside, the valve body is threadedly connected with a T-shaped sealing cover for sealing the communication channel, the sealing cover is provided with a cleaning device for cleaning the filter screen, and the sealing cover is provided with a sealing device between the sealing cover and the valve body. ​ 2. A readily removable union body flange gate valve according to claim 1, characterized in that: The cleaning device includes a brush, the sealing cover is provided with a connecting channel, the sealing cover is provided with an electric telescopic rod, the extending rod of the electric telescopic rod is located in the connecting channel, the brush is provided with a brush rod, and the brush rod is arranged on the extending rod through a connecting device.

3. A readily removable union body flange gate valve according to claim 2, characterized in that: The connecting device includes a connecting rod, the connecting rod is arranged on the brush rod, the extending rod is provided with a connecting channel, the connecting rod is arranged on the extending rod, the connecting rod is symmetrically provided with a fixing channel, the extending rod is provided with a sliding channel, a fixing block is slidably arranged in the sliding channel, the sliding channel is provided with a pushing device for pushing the fixing block to slide into the fixing channel, and the extending rod is provided with a reset device for resetting the fixing block.

4. A readily removable union body flange gate valve according to claim 3 wherein: The pushing device is a spring, one end of the spring is connected with the fixing block, and the other end of the spring is connected with the inner wall of the sliding channel.

5. A readily removable union body flange gate valve as defined in claim 3 wherein: The reset device includes a rotating ring, the rotating ring is rotatably arranged on the extending rod, the rotating ring is provided with a magnetic block matched with the fixing block, and the fixing block has magnetism for attracting the magnetic block.

6. A readily removable union body flange gate valve as defined in claim 2 wherein: It also includes a rotating rod, one end of the rotating rod is rotatably connected with the extending rod, the other end of the rotating rod is connected with the brush rod, and the rotating rod is provided with an impeller for driving the rotating rod to rotate.

7. A readily removable union body flange gate valve as defined in claim 1 wherein: The valve body is provided with a sewage discharge channel connected with the outside at the other end of the sealing cover, and the sewage discharge channel is threadedly connected with a sewage discharge plug.

8. A readily removable union body flange gate valve as defined in claim 1 wherein: The sealing device includes a sealing ring, the valve body is provided with a sealing channel, the sealing ring is arranged in the sealing channel, one end of the sealing ring slides out of the sealing channel and abuts against the sealing cover, and the sealing channel is provided with a tension spring for pushing the sealing ring to seal.

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