Parallel gate valve

Abstract

The utility model relates to the technical field of parallel gate valves, and discloses a parallel gate valve which comprises a valve body, a filtering mechanism is arranged in the valve body, an execution hand wheel is arranged on the valve body, and the filtering mechanism comprises a fixing ring and a fixing plate. The filtering mechanism is arranged in the valve body, the filtering ring and the filtering net in the filtering mechanism can intercept impurities in fluid, when the impurities on the filtering net need to be cleaned, a user can pull the pull handle in the direction away from the flashboard, the pull handle drives the inserting column to move, and the filtering ring and the filtering net are arranged in the valve body. The filter ring can be rotated clockwise at the moment, so that the filter ring can be detached from the fixed ring, impurities on the filter screen can be cleaned conveniently, and the problem that the sealing performance of the valve is affected due to the fact that the impurities are accumulated between the two valve plates can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of parallel gate valves, in particular to a parallel gate valve. Background Art

[0002] The main structure of the parallel double-disc gate valve is composed of a valve body, a valve cover, a gate, a sealing ring, a transmission device, etc. Among them, the valve body and the valve cover are made of casting or forging technology, with high strength and corrosion resistance; the gate adopts a double-disc structure, which can effectively control the flow and pressure; the sealing ring is made of wear-resistant rubber or polytetrafluoroethylene and other materials, which can ensure the good sealing performance of the valve; the transmission device adopts manual, electric, pneumatic and other methods, which can meet the use requirements of different occasions.

[0003] For example, the announcement number CN217898841U discloses a pneumatic double parallel gate valve, including a valve body, the left and right ends of which are welded with flanges, an open groove is provided on the surface of the valve body, a gate body adapted thereto is slidably connected inside the open groove, and a mounting mechanism is provided on the outer wall of the valve body, the mounting mechanism includes a mounting locating ring fixedly connected to the outer wall of the valve body, and a mounting sleeve is provided on the upper surface of the mounting locating ring. The pneumatic double parallel gate valve connects the valve body with an external pipeline by means of a flange and a mounting hole, and during use, the cylinder is extended and retracted by an external pneumatic mechanism, so as to achieve the purpose of driving the gate body to rise and fall, and switch the gate valve on and off.

[0004] During the long-term use of the existing parallel gate valve, impurities are easily accumulated inside the valve body. Since the parallel gate valve has two gates, the impurities are more likely to dock between the two gates, affecting the sealing of the parallel gate valve. It is also inconvenient to clean the impurities. Therefore, a parallel gate valve is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a parallel gate valve to solve the above problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a parallel gate valve, comprising a valve body, a filtering mechanism is arranged inside the valve body, and an actuating hand wheel is arranged on the valve body;

[0007] The filtering mechanism includes a fixing ring and a fixing plate, the fixing plate is fixedly connected to the inside of the valve body, the fixing ring is fixedly connected with a baffle plate, the inside of the baffle plate is plugged with a filter ring, the inside of the filter ring is fixedly installed with a filter net, the fixing plate is plugged with a plug, a limit plate is fixedly installed on the plug, a spring is sleeved on the plug, the filter ring is provided with a hole, and the plug is plugged into the inside of the hole.

[0008] Preferably, a handle is fixedly mounted on the plug column, one end of the spring abuts against a limit plate, the other end of the spring abuts against a fixed plate, and the fixed ring is fixedly mounted inside the valve body. The setting of the limit plate can facilitate the spring to push the plug column so that the plug column can be inserted into the inside of the socket.

[0009] Preferably, there are two baffles, which are respectively fixedly connected to the upper end and the lower end of the side surface of the fixing ring, and the opening directions of the two baffles are opposite. The setting of the baffles can play a limiting role on the filter ring.

[0010] Preferably, the number of the jacks is two, and the two jacks are respectively provided at the upper end and the lower end of the side surface of the filter ring. The provision of the jacks can facilitate the positioning and fixing of the filter ring by the plugging column.

[0011] Preferably, the number of the plug posts is two, and the two plug posts are fixedly mounted at both ends of the pull handle respectively. The setting of the pull handle can facilitate the user to pull the plug posts, so that the filter ring can be easily disassembled.

[0012] Preferably, a dirt collecting groove is provided on the inner wall of the valve body, a sewage outlet is provided inside the dirt collecting groove, a plug is connected to the internal thread of the sewage outlet, and a sealing ring is sleeved on the plug. The setting of the dirt collecting groove can facilitate the collection of dirt and impurities.

[0013] The utility model provides a parallel gate valve. It has the following beneficial effects:

[0014] (1) The utility model provides a filter mechanism inside the valve body, wherein the filter ring and filter screen in the filter mechanism can intercept impurities in the fluid. When it is necessary to clean the impurities on the filter screen, the user can pull the handle away from the gate plate, so that the handle drives the plug post to move and the plug post is separated from the inside of the socket. At this time, the filter ring can be rotated clockwise so that the filter ring can be removed from the fixing ring, which is convenient for cleaning the impurities on the filter screen and can avoid the problem of impurities accumulating between the two valve plates and affecting the sealing of the valve.

[0015] (2) The utility model can conveniently collect dirt and impurities by setting up a sewage collecting tank, and then rotate the plug so that the plug can be separated from the sewage outlet, so that the impurities and dirt intercepted can be discharged from the sewage outlet, further improving the practicality of the parallel gate valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the water inlet portion of the valve body of the utility model;

[0019] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 4 This is a schematic diagram of the structure of the filter mechanism of the utility model;

[0021] Figure 5 This is a schematic diagram of the filter ring structure of the utility model.

[0022] In the figure: 1. valve body; 2. filter mechanism; 201. fixing ring; 202. fixing plate; 203. plug; 204. handle; 205. spring; 206. limit plate; 207. filter ring; 208. plug hole; 209. filter screen; 210. baffle; 3. sewage collecting tank; 4. sewage outlet; 5. plug; 6. sealing ring; 7. execution hand wheel. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Embodiment 1:

[0026] like Figure 1-5As shown, the utility model provides a technical solution: a parallel gate valve, comprising a valve body 1, a filter mechanism 2 is arranged inside the valve body 1, and an actuating hand wheel 7 is arranged on the valve body 1;

[0027] The filtering mechanism 2 includes a fixing ring 201 and a fixing plate 202. The fixing plate 202 is fixedly connected to the inside of the valve body 1. A baffle plate 210 is fixedly connected to the fixing ring 201. A filter ring 207 is inserted into the inside of the baffle plate 210. A filter net 209 is fixedly installed inside the filter ring 207. A plug-in column 203 is inserted into the fixing plate 202. A limiting plate 206 is fixedly installed on the plug-in column 203. A spring 205 is sleeved on the plug-in column 203. A socket 208 is opened on the filter ring 207. The plug-in column 203 is inserted into the inside of the socket 208.

[0028] A pull handle 204 is fixedly installed on the plug column 203, one end of the spring 205 abuts against the limit plate 206, and the other end of the spring 205 abuts against the fixed plate 202. The fixing ring 201 is fixedly installed inside the valve body 1. The setting of the limit plate 206 can facilitate the spring 205 to push the plug column 203 so that the plug column 203 can be inserted into the inside of the hole 208.

[0029] There are two baffles 210 , which are respectively fixedly connected to the upper end and the lower end of the side of the fixing ring 201 , and the opening directions of the two baffles 210 are opposite. The setting of the baffle 210 can limit the filter ring 207 .

[0030] There are two sockets 208 , which are respectively provided at the upper end and the lower end of the side surface of the filter ring 207 . The arrangement of the sockets 208 can facilitate the positioning and fixing of the filter ring 207 by the plugging column 203 .

[0031] There are two plug posts 203 , which are fixedly mounted at both ends of the pull handle 204 . The pull handle 204 allows the user to pull the plug posts 203 to facilitate disassembly of the filter ring 207 .

[0032] In this embodiment, a filter mechanism 2 is provided inside the valve body 1, and the filter ring 207 and the filter screen 209 in the filter mechanism 2 can intercept impurities in the fluid. When it is necessary to clean the impurities on the filter screen 209, the user can pull the handle 204 away from the gate plate, so that the handle 204 drives the plug post 203 to move, so that the plug post 203 is separated from the inside of the socket 208. At this time, the filter ring 207 can be rotated clockwise so that the filter ring 207 can be removed from the fixing ring 201, which is convenient for cleaning the impurities on the filter screen 209 and can avoid the problem of impurities accumulating between the two valve plates and affecting the valve sealing.

[0033] Embodiment 2:

[0034] like Figure 1-5 As shown, based on the first embodiment, the utility model provides a technical solution: a sewage collecting groove 3 is provided on the inner wall of the valve body 1, a sewage outlet 4 is provided inside the sewage collecting groove 3, a plug 5 is connected to the internal thread of the sewage outlet 4, and a sealing ring 6 is sleeved on the plug 5. The setting of the sewage collecting groove 3 can conveniently collect dirt and impurities.

[0035] In this embodiment, the dirt and impurities can be conveniently collected by setting the sewage collecting tank 3, and then the plug 5 can be rotated so that the plug 5 can be separated from the sewage outlet 4, so that the impurities and dirt intercepted can be discharged from the sewage outlet 4, further improving the practicality of the parallel gate valve.

[0036] When in use, by providing a filter mechanism 2 inside the valve body 1, the filter ring 207 and the filter screen 209 in the filter mechanism 2 can intercept impurities in the fluid. When it is necessary to clean the impurities on the filter screen 209, the user can pull the handle 204 away from the gate plate, so that the handle 204 drives the plug 203 to move, so that the plug 203 is separated from the inside of the socket 208. At this time, the filter ring 207 can be rotated clockwise so that the filter ring 207 can be removed from the fixing ring 201, which is convenient for cleaning the impurities on the filter screen 209 and can avoid the problem of impurities accumulating between the two valve plates and affecting the valve sealing. The setting of the sewage collecting tank 3 can conveniently collect dirt and impurities, and then the plug 5 is rotated so that the plug 5 can be separated from the sewage outlet 4, so that the impurities and dirt intercepted can be discharged from the sewage outlet 4, further improving the practicality of the parallel gate valve.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A parallel gate valve, comprising a valve body (1), characterized in that: A filter mechanism (2) is arranged inside the valve body (1), and an actuating hand wheel (7) is arranged on the valve body (1); the filter mechanism (2) comprises a fixing ring (201) and a fixing plate (202), the fixing plate (202) is fixedly connected to the inside of the valve body (1), a baffle (210) is fixedly connected to the fixing ring (201), a filter ring (207) is inserted inside the baffle (210), a filter net (209) is fixedly installed inside the filter ring (207), a plug post (203) is inserted on the fixing plate (202), a limit plate (206) is fixedly installed on the plug post (203), a spring (205) is sleeved on the plug post (203), a plug hole (208) is opened on the filter ring (207), and the plug post (203) is inserted inside the plug hole (208).

2. A parallel gate valve according to claim 1, characterized in that: A pull handle (204) is fixedly mounted on the plug column (203), one end of the spring (205) abuts against the limit plate (206), the other end of the spring (205) abuts against the fixed plate (202), and the fixed ring (201) is fixedly mounted inside the valve body (1).

3. A parallel gate valve according to claim 1, characterized in that: There are two baffles (210), and the two baffles (210) are respectively fixedly connected to the upper end and the lower end of the side surface of the fixing ring (201), and the opening directions of the two baffles (210) are opposite.

4. A parallel gate valve according to claim 1, characterized in that: The number of the plug holes (208) is two, and the two plug holes (208) are respectively opened at the upper end and the lower end of the side surface of the filter ring (207).

5. A parallel gate valve according to claim 1, characterized in that: The number of the plug posts (203) is two, and the two plug posts (203) are respectively fixedly mounted on the two ends of the pull handle (204).

6. A parallel gate valve according to claim 1, characterized in that: A sewage collecting groove (3) is provided on the inner wall of the valve body (1), a sewage outlet (4) is provided inside the sewage collecting groove (3), a plug (5) is connected to the internal thread of the sewage outlet (4), and a sealing ring (6) is sleeved on the plug (5).

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