Pipeline valve

Abstract

The utility model relates to the technical field of pipeline valves, and discloses a pipeline valve which comprises a valve body, a liquid inlet pipe is fixedly installed on one side of the valve body, and an irrigation pipe is detachably installed at the end, away from the valve body, of the liquid inlet pipe. According to the device, after the two fastening plates are fixedly connected to the outer portion of the irrigation pipe in a sleeving mode, the middles of the opening ends of the multiple installation holes and the middles of the multiple through holes are located on the same horizontal line, and then the small head ends of the fastening bolts are inserted into the installation holes till the small head ends of the fastening bolts penetrate through the through holes and extend to the position over the connecting ring; meanwhile, the large head end of the fastening bolt is attached to the bottom of the limiting block, then the fastening nut is connected with the small head end of the fastening bolt in a threaded fit mode, the attaching tightness degree of the top of the irrigation pipe and the bottom of the sealing ring is improved, and the situation that underground water leaks from the connecting position of the irrigation pipe and the sealing ring is prevented.

Description

Technical Field

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

[0002] Valves and water hoses used for agricultural irrigation are mostly connected by rotating through an internal threaded joint. The connection between the water pipe and the water hose is achieved through the valve, which is conducive to the irrigation of farmland through the water hose.

[0003] At present, in order to save time and energy required for farmland irrigation, irrigation pipes are generally buried in farmland. One end of the irrigation pipe extends underground to extract groundwater, and the other end extends above ground. A valve body that can control the flow rate of groundwater is installed at the end extending above ground. The outlet pipe of the valve body is connected to the water belt, so that groundwater can enter the water belt by controlling the valve body to realize irrigation of farmland. The existing valve body irrigation pipe is connected to one end of the irrigation pipe by threaded matching (that is, the end of the irrigation pipe extending above ground and the inner wall of the irrigation pipe of the valve body are both provided with threaded grooves. The end of the irrigation pipe extending above ground is inserted into the interior of the irrigation pipe, and the valve body is continuously rotated to realize the connection between the irrigation pipe and the irrigation pipe).

[0004] In order to ensure the sealing of the threaded connection between the irrigation pipes, it is necessary to neatly wrap waterproof sealing tape (i.e. raw tape) on the top of the irrigation pipe, or use a sealing gasket (sealing gaskets are mostly made of rubber material, and sealing is achieved by squeezing the rubber) to seal the water pipe connection.

[0005] The waterproof sealing tape is wrapped around the outside of the thread. When the irrigation pipe is extended to one end above ground and connected to the irrigation pipe through a thread, the threaded connection squeezes the waterproof sealing tape to cause it to deform. The squeezed waterproof sealing tape fills the gaps in the two thread grooves to prevent groundwater from leaking through the connection between the irrigation pipes. However, since the connection between the irrigation pipes and the irrigation pipes is soaked in groundwater for a long time (after the valve body is in the closed state, groundwater will also remain inside the valve body), the threaded connection between the irrigation pipes and the irrigation pipes is oxidized and rusted. At the same time, since the valve body is used in outdoor farmland, the outer surface of the valve body is exposed to direct sunlight and the outer surface temperature rises. At the same time, the heat from the outer surface of the valve body is transferred to the waterproof sealing tape, causing the waterproof sealing tape itself to increase in temperature and age. After a long time, the waterproof tape ages and loses its sealing effect, resulting in water leakage at the threaded connection.

[0006] When using a gasket, it is placed at the connection between the outer wall of the irrigation pipe and the valve body's water inlet pipe. Because the extended end of the irrigation pipe is close to the ground and exposed to the sun in the summer, the high surface temperature is transmitted to the valve body and the gasket, causing the gasket to age rapidly and leading to leakage at the connection. Especially during irrigation, the pipe is generally long, and the pressure inside the pipe is relatively high. Under high water pressure, the connection is more prone to leakage. Utility Model Content

[0007] In order to make up for the above deficiencies, the utility model provides a pipeline valve, aiming to solve the problems in the prior art.

[0008] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a pipeline valve, comprising:

[0009] The valve body has a liquid inlet pipe fixedly installed on one side, and an irrigation pipe is detachably installed on the end of the liquid inlet pipe away from the valve body;

[0010] A connector, one end of which is rotatably mounted in the inner cavity of the liquid inlet pipe, and a connecting ring is fixedly mounted on the end of the connector away from the liquid inlet pipe, and a plurality of through holes are arranged in a circular pattern on the top of the connecting ring, and fastening bolts are detachably mounted in the inner cavity of the through holes;

[0011] The two fastening plates are connected by rotating shaft at one end, and the ends of the two fastening plates away from the rotating shaft are connected by threaded fittings. The outer walls of the two fastening plates are fixedly installed with multiple limit blocks, and the tops of the limit blocks are provided with mounting holes that are compatible with the fastening bolts. The outer walls of the fastening bolts are detachably installed with fastening nuts.

[0012] As a further description of the above technical solution:

[0013] The two fastening plates are bent, and rubber gaskets are fixedly installed on the outer walls of the two fastening plates.

[0014] As a further description of the above technical solution:

[0015] A connecting ear plate is fixedly installed at one end of the two fastening plates away from the rotating shaft. The outer walls of the two connecting ear plates are provided with through holes. The inner cavity of the through holes can be removably installed with limit bolts, and the outer walls of the limit bolts are equipped with limit nuts through threaded cooperation.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the connector is fixedly sleeved with a sealing bearing connected to the inner wall of the liquid inlet pipe, and the inner wall of the connector is fixedly installed with a sealing ring for sealing the irrigation pipe.

[0018] As a further description of the above technical solution:

[0019] The outer wall of the valve body is fixedly installed with a water outlet pipe connected to its own inner cavity. The end of the water outlet pipe away from the valve body is installed with a threaded interface head through a threaded fit. The end of the threaded interface head away from the water outlet pipe is installed with a pipe thread interface head through a threaded fit. The end of the pipe thread interface head away from the threaded interface head is fixedly installed with a water supply belt.

[0020] As a further description of the above technical solution:

[0021] The outer wall of the pipe thread interface head is fixedly installed with multiple limiting ear plates distributed in a ring shape, a through hole is opened on one side of the limiting ear plate, a positioning rod is detachably installed in the inner cavity of the through hole, and a limiting ring is fixedly installed on one end of the positioning rod, and the outer wall of the valve body is fixedly installed with multiple hook plates compatible with the limiting ring in a ring shape.

[0022] The utility model has the following beneficial effects:

[0023] In the utility model, after the two fastening plates are fixedly sleeved on the outside of the irrigation pipe, the middle parts of the open ends of the multiple mounting holes and the middle parts of the multiple through holes are at the same horizontal line, and then the small head end of the fastening bolt is inserted into the mounting hole until the small head end of the fastening bolt passes through the through hole and extends to just above the connecting ring, and at the same time, the large head end of the fastening bolt fits with the bottom of the limit block, and then the fastening nut is connected to the small head end of the fastening bolt through threaded cooperation. At this time, under the action of the fastening nut, the fastening bolt is continuously pulled upward, thereby improving the tightness of the fit between the top of the irrigation pipe and the bottom of the sealing ring, and preventing groundwater from leaking from the connection between the irrigation pipe and the sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional diagram of the utility model;

[0025] Figure 2 This is an assembly drawing of the valve body and irrigation pipe of the utility model;

[0026] Figure 3 This is an assembly drawing of the fastening plate and the limiting block of the utility model;

[0027] Figure 4 For this utility model Figure 1 A magnified view of the structure at point A;

[0028] Figure 5 For this utility model Figure 1 A magnified view of the structure at point B.

[0029] Legend:

[0030] 1. Valve body; 2. Liquid inlet pipe; 3. Connecting ring; 4. Limit block; 5. Fastening bolt; 6. Water outlet pipe; 7. Threaded joint; 8. Pipe thread joint; 9. Fastening plate; 10. Limit bolt; 11. Connecting head; 12. Sealing ring; 13. Positioning rod; 14. Hook plate; 15. Limit ring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1-5 The utility model provides an embodiment of a pipeline valve, comprising:

[0033] The valve body 1 has a liquid inlet pipe 2 fixedly installed on one side, and an irrigation pipe is detachably installed on the end of the liquid inlet pipe 2 away from the valve body 1. When installing the irrigation pipe and the liquid inlet pipe 2, the valve body 1 is placed directly above the irrigation pipe until the top of the irrigation pipe is inserted into the interior of the valve body 1 through the liquid inlet pipe 2. At this time, the irrigation pipe is located directly below the valve seat and the valve plate. When the threaded rod at the top of the valve body 1 is rotated, the distance between the valve plate and the valve seat can be controlled, thereby controlling the flow rate of groundwater entering the valve body 1. This is a prior art and will not be described in detail here.

[0034] One end of the connector 11 is rotatably installed in the inner cavity of the liquid inlet pipe 2. The outer wall of the connector 11 is fixedly sleeved with a sealing bearing connected to the inner wall of the liquid inlet pipe 2. The sealing bearing can realize the rotational connection between the outer wall of the connector 11 and the inner wall of the liquid inlet pipe 2, and the rotational connection between the liquid inlet pipe 2 and the connector 11 is sealed to prevent groundwater from entering between the liquid inlet pipe 2 and the connector 11 and leaking from the two rotating connections.

[0035] The connector 11 can be rotatably connected to the liquid inlet pipe 2 via the sealed bearing, thereby changing the water outlet direction of the valve body 1 so as to facilitate irrigation of farmland in different directions through the valve body 1.

[0036] A connecting ring 3 is fixedly installed on the end of the connector 11 away from the liquid inlet pipe 2. A plurality of through holes are arranged in a ring shape on the top of the connecting ring 3. A fastening bolt 5 is detachably installed in the inner cavity of the through hole. A sealing ring 12 for sealing the irrigation pipe is fixedly installed on the inner wall of the connector 11. When the valve body 1 is placed on the top of the irrigation pipe, the top of the irrigation pipe is inserted into the inner cavity of the connector 11 until the top of the irrigation pipe and the bottom of the sealing ring 12 are tightly fitted, thereby completing the preliminary connection between the connector 11 and the irrigation pipe.

[0037] The sealing ring 12 is made of polycarbonate material, which makes it less susceptible to aging and deformation caused by baking on the ground. At the same time, when the top of the irrigation pipe squeezes the bottom of the sealing ring 12, the sealing ring 12 will deform slightly, so that the bottom of the sealing ring 12 fits tightly to the top of the irrigation pipe, preventing a gap from forming between the bottom of the sealing ring 12 and the bottom of the irrigation pipe, which would cause groundwater to leak from the connection between the irrigation pipe and the sealing ring 12.

[0038] The two fastening plates 9 are connected by rotating at one end through a rotating shaft, and the ends of the two fastening plates 9 away from the rotating shaft are connected by threaded fitting. When the top of the irrigation pipe fits with the bottom of the sealing ring 12, the two fastening plates 9 are moved to rotate around the rotating shaft until the distance between the ends of the two fastening plates 9 away from the rotating shaft is greater than the outer diameter of the irrigation pipe. Then, the two fastening plates 9 are sleeved on the outside of the irrigation pipe, and then the ends of the two fastening plates 9 away from the rotating shaft are connected by threaded fitting until the adjacent sides of the two fastening plates 9 are tightly fitted with the outer wall of the irrigation pipe. This completes the fixing of the fastening plates 9 on the outside of the irrigation pipe.

[0039] The outer walls of the two fastening plates 9 are fixedly installed with multiple limit blocks 4, and the tops of the limit blocks 4 are provided with mounting holes that match the fastening bolts 5. The outer walls of the fastening bolts 5 are detachably installed with fastening nuts. When the two fastening plates 9 are fixedly sleeved on the outside of the irrigation pipe, the middle of the open ends of the multiple mounting holes and the middle of the multiple through holes are at the same horizontal line, and then the small head end of the fastening bolt 5 is inserted into the interior of the mounting hole until the small head end of the fastening bolt 5 passes through the through hole and extends to just above the connecting ring 3, and at the same time, the large head end of the fastening bolt 5 is tightened with the limit block 4. The bottom fits together, and then the fastening nut is connected to the small head end of the fastening bolt 5 through threaded cooperation until one end of the fastening nut and the top of the connecting ring 3 fit tightly together. At this time, under the action of the fastening nut, an upward pulling force is continuously applied to the fastening bolt 5, so that the two fastening plates 9 are always close to the connecting head 11, thereby improving the tightness of the fit between the top of the irrigation pipe and the bottom of the sealing ring 12, preventing groundwater from leaking from the connection between the irrigation pipe and the sealing ring 12, preventing the water pressure and flow rate inside the water belt from decreasing, and reducing the time required for farmland irrigation.

[0040] The two fastening plates 9 are bent to increase the contact area between the outer wall of the fastening plates 9 and the outer wall of the irrigation pipe. At the same time, when the fastening plates 9 are fixedly sleeved on the outer wall of the irrigation pipe, the multiple limit blocks 4 outside the two fastening plates 9 are distributed in a ring shape.

[0041] The outer walls of the two fastening plates 9 are fixedly installed with rubber gaskets. When the two fastening plates 9 are fixedly sleeved on the outside of the irrigation pipe, the rubber gaskets are deformed under force, so that the outer walls of the rubber gaskets and the outer walls of the irrigation pipe fit tightly, increasing the friction between the outer walls of the rubber gaskets and the outer walls of the irrigation pipe, and improving the friction between the fastening plates 9 and the outer walls of the irrigation pipe, preventing the fastening plates 9 from sliding along the outer surface of the irrigation pipe after being subjected to the upward pulling force of the fastening bolts 5.

[0042] The two fastening plates 9 are fixedly installed with connecting ear plates at one end away from the rotating shaft, and the outer walls of the two connecting ear plates are provided with insertion holes, and the limit bolts 10 are detachably installed in the inner cavity of the insertion holes, and the outer wall of the limit bolts 10 is fitted with a limit nut by threaded cooperation. When the outer wall of the rubber gasket is in contact with the outer wall of the irrigation pipe, the small head end of the limit bolt 10 is inserted into one of the insertion holes until the small head end of the limit bolt 10 passes through the two insertion holes, and then the limit nut is sleeved with the small head end of the limit bolt 10 until one end of the limit nut is in contact with one side of one of the connecting ear plates, and the large head end of the limit bolt 10 is tightly fitted with the outer wall of the other connecting ear plate. The cooperation of the limit bolt 10 and the limit nut can apply an extrusion force to the end of the two fastening plates 9 away from the rotating shaft, so that the rubber gasket is deformed under the force, and the rubber gasket is tightly attached to the outer wall of the irrigation pipe, which is conducive to the fixed connection between the two fastening plates 9 and the outer wall of the irrigation pipe.

[0043] The outer wall of the valve body 1 is fixedly installed with a water outlet pipe 6 connected to its own inner cavity. The end of the water outlet pipe 6 away from the valve body 1 is installed with a threaded interface head 7 through threaded cooperation. The end of the threaded interface head 7 away from the water outlet pipe 6 is installed with a pipe thread interface head 8 through threaded cooperation. The end of the pipe thread interface head 8 away from the threaded interface head 7 is fixedly installed with a water belt. Through the connection of the pipe thread interface head 8 and the threaded interface head 7, the groundwater inside the valve body 1 can flow to the inside of the water belt through the water outlet pipe 6, so as to realize irrigation of farmland.

[0044] In the above embodiment, the outer wall of the water outlet pipe 6 is provided with an external thread connected to the threaded interface head 7. When the threaded interface head 7 is connected to the end of the water outlet pipe 6 away from the valve body 1, the end of the water outlet pipe 6 away from the valve body 1 is inserted into the interior of the threaded interface head 7 and then the threaded interface head 7 is continuously rotated, so that the threaded interface head 7 and the water outlet pipe 6 can be connected by threads, which is convenient for disassembly and assembly between the threaded interface head 7 and the water outlet pipe 6.

[0045] According to the above embodiment, when the groundwater flows into the valve body 1 through the irrigation pipe, the groundwater entering the valve body 1 impacts the inner wall of the valve body 1, thereby causing the valve body 1 to vibrate. When the valve body 1 vibrates, it is easy to cause loosening between the threaded interface head 7 and the water outlet pipe 6 and the pipe thread interface head 8.

[0046] The outer wall of the tube thread interface head 8 is fixedly installed with multiple limiting ear plates distributed in a ring shape. A through hole is opened on one side of the limiting ear plate. A positioning rod 13 is detachably installed in the inner cavity of the through hole. The positioning rod 13 is set to a T-shaped structure. The diameter of the large head end of the positioning rod 13 is larger than the inner diameter of the through hole. When the small head end of the positioning rod 13 passes through the through hole, the large head end fits against the outer wall of the limiting ear plate, thereby limiting the installation position of the positioning rod 13.

[0047] A rubber pad is fixedly sleeved on the outer wall of the small end of the positioning rod 13 , and one end of the rubber pad is connected to the large end of the positioning rod 13 .

[0048] One end of the positioning rod 13 is fixedly installed with a limit ring 15, and the outer wall of the valve body 1 is fixedly installed with a plurality of hook plates 14 adapted to the limit ring 15 in an annular distribution. The hook plate 14 is set to an L-shaped structure. The limit ring 15 is made of polyester material and has strong strength and flexibility. When the big end of the positioning rod 13 fits with the outer wall of the limit ear plate, the limit ring 15 is pulled and the limit ring 15 is sleeved on the outer wall of the hook plate 14. At this time, the inner wall of the limit ring 15 and the outer wall of the hook plate 14 Tight fit, at this time one end of the rubber pad is tightly fitted with the outer wall of the limiting ear plate and deformed, always applying a pulling force to move closer to the valve body 1 on the positioning rod 13, and applying an extrusion force to the pipe thread interface head 8 and the thread interface head 7 close to the valve body 1, preventing the inner wall of the valve body 1 from being vibrated by the impact of groundwater, resulting in loosening between the thread interface head 7 and the outlet pipe 6 and the pipe thread interface head 8, thereby improving the sealing between the thread interface head 7 and the pipe thread interface head 8 and the outlet pipe 6.

[0049] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pipeline valve, characterized by: include: A valve body (1) is fixedly provided with a liquid inlet pipe (2) on one side, and an irrigation pipe is detachably provided on one end of the liquid inlet pipe (2) away from the valve body (1); A connector (11) is rotatably mounted at one end in the inner cavity of the liquid inlet pipe (2), and a connecting ring (3) is fixedly mounted at the end of the connector (11) away from the liquid inlet pipe (2), wherein a plurality of through holes are formed in an annular arrangement on the top of the connecting ring (3), and fastening bolts (5) are detachably mounted in the inner cavities of the through holes; Two fastening plates (9) are connected by rotating shafts at one end, and the ends of the two fastening plates (9) away from the rotating shafts are connected by threaded fitting. The outer walls of the two fastening plates (9) are fixedly mounted with a plurality of limit blocks (4), and the tops of the limit blocks (4) are provided with mounting holes adapted to the fastening bolts (5), and the outer walls of the fastening bolts (5) are detachably mounted with fastening nuts.

2. A pipeline valve according to claim 1, characterized in that: The two fastening plates (9) are bent, and rubber gaskets are fixedly mounted on the outer walls of the two fastening plates (9).

3. A pipeline valve according to claim 2, characterized in that: A connecting ear plate is fixedly installed at one end of the two fastening plates (9) away from the rotating shaft. The outer walls of the two connecting ear plates are provided with insertion holes. A limiting bolt (10) is detachably installed in the inner cavity of the insertion hole. A limiting nut is installed on the outer wall of the limiting bolt (10) through threaded engagement.

4. A pipeline valve according to claim 1, characterized in that: The outer wall of the connector (11) is fixedly sleeved with a sealing bearing connected to the inner wall of the liquid inlet pipe (2), and the inner wall of the connector (11) is fixedly installed with a sealing ring (12) for sealing the irrigation pipe.

5. The pipeline valve according to claim 1, characterized in that: The outer wall of the valve body (1) is fixedly mounted with a water outlet pipe (6) in communication with the inner cavity thereof; the end of the water outlet pipe (6) away from the valve body (1) is mounted with a threaded interface head (7) through threaded engagement; the end of the threaded interface head (7) away from the water outlet pipe (6) is mounted with a pipe thread interface head (8) through threaded engagement; the end of the pipe thread interface head (8) away from the threaded interface head (7) is fixedly mounted with a water conveying belt.

6. A pipeline valve according to claim 5, characterized in that: The outer wall of the pipe thread interface head (8) is fixedly mounted with a plurality of limiting ear plates distributed in an annular shape, a through hole is provided on one side of the limiting ear plate, a positioning rod (13) is detachably mounted in the inner cavity of the through hole, a limiting ring (15) is fixedly mounted on one end of the positioning rod (13), and the outer wall of the valve body (1) is fixedly mounted with a plurality of hook plates (14) that are compatible with the limiting ring (15) and distributed in an annular shape.

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