A stop valve capable of diverting and reducing pressure and a method of using the same

Abstract

The present invention relates to the technical field of stop valves, and discloses a stop valve capable of diverting and reducing pressure and a method for using the stop valve, comprising a main water pipe, both ends of the main water pipe are fixedly equipped with flow pipes, the end of the main water pipe close to the flow pipe is rotatably sleeved with a guide valve, the end of the flow pipe away from the main water pipe is fixedly equipped with a sealing assembly, the top of the sealing assembly is fixedly equipped with a bracket, the inner wall of the bracket is rotatably sleeved with a rotating rod, and the bottom of the rotating rod is sleeved with a valve body. The push leaf is driven to rotate by the flow of the medium, which reduces the time for personnel to manually rotate the valve body, thereby improving the efficiency of opening or closing the equipment, and the limit pipe sleeve is driven by the slide groove, so that the personnel can manually rotate the valve body through the rotating rod to increase the fit between the valve body and the sealing assembly; the cutting ring is rotated by the impact force of the medium flow, so that the cutting ring and the top of the discharge pipe are cut, foreign matter in the medium is broken, the probability of foreign matter blocking the sealing assembly is reduced, and the service life of the equipment is increased.

Description

Technical Field

[0001] The invention relates to the technical field of stop valves, in particular to a stop valve capable of diverting and reducing pressure and a use method thereof. Background Art

[0002] The stop valve is one of the most widely used fluid control components. The stop valve, also called the gate valve, is one of the most widely used valves. It has small friction between the sealing surfaces during opening and closing, is relatively durable, has a small opening height, is easy to manufacture and maintain, and is suitable not only for medium and low pressures, but also for high pressures.

[0003] The existing stop valve forms a hard seal on the valve seat by quickly rotating the valve body screw. In the event of gas or liquid overflow, personnel need to quickly close the valve. Therefore, a stop valve capable of diverting and reducing pressure and a method for using the same are proposed. Summary of the invention

[0004] The present invention provides a stop valve capable of diverting and reducing pressure and a use method thereof, which solves the problems raised by the above-mentioned background technology.

[0005] The present invention provides the following technical solution: a stop valve capable of diverting and reducing pressure, comprising a main water pipe, flow pipes are fixedly mounted on both sides of the ends of the main water pipe, a guide valve is rotatably sleeved on the end of the main water pipe close to the flow pipe, a sealing assembly is fixedly mounted on the end of the flow pipe away from the main water pipe, a bracket is fixedly mounted on the top of the sealing assembly, a rotating rod is rotatably sleeved on the inner wall of the bracket, and a valve body is sleeved on the bottom of the rotating rod.

[0006] As a preferred technical solution of the present invention: the main water pipe includes a pipe body, and both sides of the end of the pipe body close to the guide valve are provided with flow grooves, and the outer wall of the end of the pipe body close to the guide valve is provided with a sleeve groove.

[0007] As a preferred technical solution of the present invention: the guide valve includes a rotating cover, a clamping ring is fixedly installed on the inner edge of the rotating cover on the side close to the main water pipe, and an arc-shaped sealing plate is fixedly installed on the outer wall of the rotating cover on the side close to the main water pipe, the arc-shaped sealing plate is fitted with the inner wall of the tube body, the clamping ring seals the circulation groove, and the clamping ring is sealingly sleeved with the inner wall of the sleeve groove.

[0008] As a preferred technical solution of the present invention: the sealing assembly includes a connecting bin, and two flow grooves are opened on both sides of the connecting bin away from the main water pipe. A sealing ring is fixedly installed on the bottom inner wall of the connecting bin, a discharge pipe is fixedly installed on the bottom of the connecting bin, and a connecting pipe is fixedly installed on the top of the connecting bin.

[0009] As a preferred technical solution of the present invention: the rotating rod includes a rotating frame, a shaft body is fixedly mounted on the bottom of the rotating frame, and a sliding groove is provided on the bottom of the shaft body.

[0010] As a preferred technical solution of the present invention: the valve body includes a valve block, the top of the valve block is fixedly equipped with a limiting tube, the bottom outer wall of the valve block is annularly fixedly equipped with a push page, the bottom inner wall of the valve block is rotatably sleeved with a swivel, the bottom of the swivel is fixedly equipped with a cutting ring, the inner wall of the limiting tube is threadedly connected with a screw rod, and the bottom of the screw rod is fixedly equipped with a fixing frame.

[0011] As a preferred technical solution of the present invention: the fixing frame is fixedly assembled with the inner wall of the discharge pipe, and the limiting pipe is slidably sleeved with the inner wall of the slide groove.

[0012] As a preferred technical solution of the present invention: the outer diameter of the cutting ring is consistent with the inner wall diameter of the discharge pipe.

[0013] A method for using a stop valve capable of diverting and reducing pressure comprises the following steps:

[0014] Step 1: When the valve block and the sealing ring need to be separated, turn the guide valve to seal one of the flow slots 1 through the arc-shaped sealing plate, so that the medium flows from left to right through the flow slot 2 to the discharge pipe, and manually turn the rotating rod to make the slide slot drive the limit tube to rotate clockwise;

[0015] Step 2: After the connecting chamber and the discharge pipe form a connecting space, the medium flow drives the push leaf to rotate clockwise, and the limit tube and the screw rod are connected by thread, so that the valve block moves upward along the screw rod, and the valve block is separated from the sealing ring;

[0016] Step 3: The cutting ring rotates under the impact force of the medium flow, so that the cutting ring and the top of the discharge pipe perform cutting operations, thereby breaking the foreign matter in the medium, thereby reducing the probability of foreign matter blocking the sealing component;

[0017] Step 4: When the valve block and the sealing ring need to be closed, rotate the guide valve, seal one of the flow slots 1 through the arc-shaped sealing plate, and make the medium flow from right to left through the flow slot 2 to the discharge pipe. The medium flow drives the push leaf to rotate counterclockwise, and the limit tube and the screw rod are threadedly connected to make the valve block move downward along the screw rod. At this time, the valve block and the sealing ring are closed;

[0018] Step 5: Manually rotate the rotating rod to make the slide groove drive the limit tube to rotate counterclockwise to increase the fit between the valve block and the sealing ring.

[0019] The present invention has the following beneficial effects:

[0020] 1. The divertable pressure-reducing stop valve and its use method drive the push leaf to rotate through the flow of the medium, reducing the time for personnel to manually rotate the valve body, thereby improving the efficiency of opening or closing the equipment, and using the slide groove to drive the limit pipe sleeve, so that the personnel can manually rotate the valve body through the rotating rod to increase the fit between the valve body and the sealing component.

[0021] 2. The divertable pressure-reducing stop valve and its use method, through the impact force of the medium flow, the cutting ring is rotated, so that the cutting ring and the top of the discharge pipe are cut, and foreign matter in the medium is broken, thereby reducing the probability of foreign matter blocking the sealing component and increasing the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the main water pipe structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the structure of the sealing assembly of the present invention;

[0025] Figure 4 This is a schematic diagram of the valve body structure of the present invention;

[0026] Figure 5 It is a schematic diagram of the cross-sectional structure of the sealing component of the present invention;

[0027] Figure 6 It is a schematic diagram of the rotating rod structure of the present invention;

[0028] Figure 7 This is a schematic diagram of the cutting ring structure of the present invention;

[0029] Figure 8 This is a schematic diagram of the support structure of the present invention;

[0030] Fig. 9 This is a schematic diagram of the push page structure of the present invention;

[0031] Fig.10 It is a schematic diagram of medium flow in the flow pipe and sealing assembly of the present invention.

[0032] In the figure: 1. Main water pipe; 2. Flow direction pipe; 3. Guide valve; 4. Sealing assembly; 5. Bracket; 6. Rotating rod; 7. Valve body;

[0033] 101, tube body; 102, flow slot 1; 103, sleeve slot;

[0034] 301, rotating cover; 302, snap ring; 303, arc-shaped sealing plate;

[0035] 401, connection chamber; 402, circulation slot 2; 403, sealing ring; 404, discharge pipe; 405, connection pipe;

[0036] 601, rotating frame; 602, shaft body; 603, slideway;

[0037] 701, valve block; 702, limit tube; 703, push page; 704, swivel; 705, cutting ring; 706, screw rod; 707, fixing bracket. DETAILED DESCRIPTION

[0038] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0039] See also Figure 1 - Fig.10 A stop valve capable of diverting and reducing pressure comprises a main water pipe 1, flow pipes 2 are fixedly mounted on both sides of the ends of the main water pipe 1, a guide valve 3 is rotatably sleeved on the end of the main water pipe 1 close to the flow pipe 2, a sealing assembly 4 is fixedly mounted on the end of the flow pipe 2 away from the main water pipe 1, a bracket 5 is fixedly mounted on the top of the sealing assembly 4, a rotating rod 6 is rotatably sleeved on the inner wall of the bracket 5, and a valve body 7 is sleeved on the bottom of the rotating rod 6.

[0040] In a preferred embodiment, the main water pipe 1 includes a pipe body 101 , and both sides of the end of the pipe body 101 close to the guide valve 3 are provided with flow grooves 102 , and the outer wall of the end of the pipe body 101 close to the guide valve 3 is provided with a sleeve groove 103 .

[0041] In the above structure, the flow pipe 2 and the main water pipe 1 are connected through the flow groove 102, so that the medium can flow to the two groups of flow pipes 2 respectively through the flow groove 102.

[0042] In a preferred embodiment: the guide valve 3 includes a rotating cover 301, a retaining ring 302 is fixedly installed on the inner edge of the rotating cover 301 close to the main water pipe 1, and an arc-shaped sealing plate 303 is fixedly installed on the outer wall of the rotating cover 301 close to the main water pipe 1. The arc-shaped sealing plate 303 fits the inner wall of the tube body 101, the retaining ring 302 seals the flow groove 102, and the retaining ring 302 and the inner wall of the sleeve groove 103 are sealed and sleeved.

[0043] In the above structure, the guide valve 3 can rotate relative to the main water pipe 1 through the sealing connection between the clamping ring 302 and the inner wall of the sleeve groove 103, and the flow groove 102 is covered by the arc-shaped sealing plate 303, so as to achieve sealing of any flow groove 102, so that the flow direction of the liquid in the inner cavity of the main water pipe 1 to the two groups of flow pipes 2 is changed.

[0044] In a preferred embodiment: the sealing component 4 includes a connecting chamber 401, and flow grooves 402 are opened on both sides of the connecting chamber 401 away from the main water pipe 1, a sealing ring 403 is fixedly installed on the bottom inner wall of the connecting chamber 401, a discharge pipe 404 is fixedly installed on the bottom of the connecting chamber 401, and a connecting pipe 405 is fixedly installed on the top of the connecting chamber 401.

[0045] In the above structure, by setting the flow groove 2 402 on one side of the connecting chamber 401, the medium flowing toward the inner cavity of the tube 2 is guided to flow on one side of the inner cavity of the connecting chamber 401, thereby driving the valve body 7 located in the inner cavity of the sealing assembly 4 to rotate through the impact force of the medium flow.

[0046] In a preferred embodiment, the rotating rod 6 includes a rotating frame 601 , a shaft 602 is fixedly mounted on the bottom of the rotating frame 601 , and a sliding groove 603 is provided on the bottom of the shaft 602 .

[0047] In a preferred embodiment: the valve body 7 includes a valve block 701, the top of the valve block 701 is fixedly equipped with a limit tube 702, the bottom outer wall of the valve block 701 is annularly fixedly equipped with a push page 703, the bottom inner wall of the valve block 701 is rotatably sleeved with a swivel 704, the bottom of the swivel 704 is fixedly equipped with a cutting ring 705, the inner wall of the limit tube 702 is threadedly connected with a screw rod 706, and the bottom of the screw rod 706 is fixedly equipped with a fixing frame 707.

[0048] In the above structure, a plurality of push pages 703 are annularly arranged on the bottom outer wall of the valve block 701, so that when the medium flowing to the inner cavity of the tube 2 flows to the discharge pipe 404 through the flow groove 2 402, the impact force of the medium flow can drive the valve block 701 to rotate through the push page 703, and the limit tube 702 and the screw rod 706 are threadedly connected, so that the valve block 701 can move along the screw rod 706 under the drive of the medium impact push page 703, thereby realizing the up and down lifting of the valve block 701;

[0049] Specifically, when the medium flows from left to right through the second flow slot 402 to the discharge pipe 404, the medium drives the push leaf 703 to rotate clockwise, and the limit tube 702 and the screw rod 706 are threadedly connected, so that the valve block 701 moves upward along the screw rod 706, and at this time, the valve block 701 is separated from the sealing ring 403;

[0050] When the medium flows from right to left through the flow slot 402 to the discharge pipe 404, the medium drives the push leaf 703 to rotate counterclockwise, and the limit tube 702 and the screw rod 706 are threadedly connected to make the valve block 701 move downward along the screw rod 706. At this time, the valve block 701 fits with the sealing ring 403.

[0051] In a preferred embodiment, the fixing frame 707 is fixedly assembled with the inner wall of the discharge pipe 404 , and the limiting pipe 702 is slidably sleeved with the inner wall of the slide groove 603 .

[0052] In the above structure, the support of the screw rod 706 is achieved by fixing the fixed frame 707 and the inner wall of the discharge pipe 404, and the limiting tube 702 is slidably connected with the inner wall of the slide groove 603, so that when the rotating rod 6 is rotated, the rotating rod 6 can drive the limiting tube 702 to rotate through the slide groove 603, thereby realizing the function of manually rotating the valve body 7.

[0053] In a preferred embodiment, the outer diameter of the cutting ring 705 is consistent with the inner wall diameter of the discharge pipe 404 .

[0054] In the above structure, the outer diameter of the cutting ring 705 is consistent with the inner wall diameter of the discharge pipe 404, and the swivel ring 704 and the inner wall of the valve block 701 are rotatably connected. When the valve block 701 is located at the top of the screw rod 706, the cutting ring 705 is located between the connecting chamber 401 and the discharge pipe 404. At this time, the cutting ring 705 is rotated by the impact force of the medium flow, so that the cutting ring 705 and the top of the discharge pipe 404 are cut, thereby breaking the foreign matter in the medium, thereby reducing the probability of foreign matter clogging the sealing component 4.

[0055] A method for using a stop valve capable of diverting and reducing pressure comprises the following steps:

[0056] Step 1: When the valve block 701 and the sealing ring 403 need to be separated, the guide valve 3 is rotated to seal one of the flow slots 102 through the arc-shaped sealing plate 303, so that the medium flows from the flow slot 2 402 to the discharge pipe 404 in the direction from left to right, and the rotating rod 6 is manually rotated to make the slide slot 603 drive the limit tube 702 to rotate clockwise;

[0057] Step 2: After the connecting chamber 401 and the discharge pipe 404 form a connecting space, the medium flow drives the push leaf 703 to rotate clockwise, and the limit tube 702 and the screw rod 706 are threadedly connected to make the valve block 701 move upward along the screw rod 706. At this time, the valve block 701 is separated from the sealing ring 403;

[0058] Step 3: The cutting ring 705 rotates under the impact force of the medium flow, so that the cutting ring 705 and the top of the discharge pipe 404 perform a cutting operation to break the foreign matter in the medium, thereby reducing the probability of the foreign matter blocking the sealing component 4;

[0059] Step 4: When the valve block 701 and the sealing ring 403 need to be closed, the guide valve 3 is rotated to seal one of the flow slots 102 through the arc-shaped sealing plate 303, so that the medium flows from the flow slot 2 402 to the discharge pipe 404 in the direction from right to left. The flow of the medium drives the push leaf 703 to rotate counterclockwise, and the limit tube 702 and the screw rod 706 are threadedly connected to make the valve block 701 move downward along the screw rod 706. At this time, the valve block 701 and the sealing ring 403 are closed;

[0060] Step 5: Manually rotate the rotating rod 6 to make the slide groove 603 drive the limiting tube 702 to rotate counterclockwise, so that the fit between the valve block 701 and the sealing ring 403 is increased.

[0061] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0062] 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 stop valve capable of diverting and reducing pressure, comprising a main water pipe (1), characterized in that: Both sides of the end of the main water pipe (1) are fixedly equipped with flow pipes (2); the end of the main water pipe (1) close to the flow pipe (2) is rotatably sleeved with a guide valve (3); the end of the flow pipe (2) away from the main water pipe (1) is fixedly equipped with a sealing assembly (4); the top of the sealing assembly (4) is fixedly equipped with a bracket (5); the inner wall of the bracket (5) is rotatably sleeved with a rotating rod (6); the bottom of the rotating rod (6) is sleeved with a valve body (7); the main water pipe (1) comprises a pipe body (101); both sides of the end of the pipe body (101) close to the guide valve (3) are provided with flow grooves 1 (102); the outer wall of the end of the pipe body (101) close to the guide valve (3) is provided with a sleeve groove (103); The guide valve (3) comprises a rotating cover (301), a clamping ring (302) is fixedly mounted on the inner edge of one side of the rotating cover (301) close to the main water pipe (1), an arc-shaped sealing plate (303) is fixedly mounted on the outer wall of one side of the rotating cover (301) close to the main water pipe (1), the arc-shaped sealing plate (303) is fitted to the inner wall of the tube body (101), the clamping ring (302) seals the flow groove 1 (102), and the clamping ring (302) is sealed and sleeved with the inner wall of the sleeve groove (103); The valve body (7) comprises a valve block (701), a limit tube (702) is fixedly mounted on the top of the valve block (701), a push leaf (703) is fixedly mounted in an annular manner on the outer wall of the bottom of the valve block (701), a swivel (704) is rotatably sleeved on the inner wall of the bottom of the valve block (701), a cutting ring (705) is fixedly mounted on the bottom of the swivel (704), a screw rod (706) is threadedly connected to the inner wall of the limit tube (702), and a fixing frame (707) is fixedly mounted on the bottom of the screw rod (706); The sealing component (4) comprises a connection chamber (401), and two flow grooves (402) are provided on both sides of the connection chamber (401) away from the main water pipe (1); The rotating rod (6) comprises a rotating frame (601), a shaft body (602) is fixedly mounted on the bottom of the rotating frame (601), a sliding groove (603) is provided on the bottom of the shaft body (602), and the limiting tube (702) is slidably sleeved on the inner wall of the sliding groove (603).

2. A stop valve capable of diverting and reducing pressure according to claim 1, characterized in that: A sealing ring (403) is fixedly mounted on the inner wall of the bottom of the connecting chamber (401), a discharge pipe (404) is fixedly mounted on the bottom of the connecting chamber (401), and a connecting pipe (405) is fixedly mounted on the top of the connecting chamber (401).

3. A divertable pressure-reducing stop valve according to claim 2, characterized in that: The fixing frame (707) is fixedly assembled with the inner wall of the discharge pipe (404).

4. A stop valve capable of diverting and reducing pressure according to claim 3, characterized in that: The outer diameter of the cutting ring (705) is consistent with the inner wall diameter of the discharge pipe (404).

5. A method for using a divertable pressure-reducing stop valve, according to the divertable pressure-reducing stop valve of claim 4, characterized in that: The following steps are involved: Step 1: When the valve block (701) and the sealing ring (403) need to be separated, the guide valve (3) is rotated to seal one of the flow slots 1 (102) through the arc-shaped sealing plate (303), so that the medium flows from the flow slot 2 (402) to the discharge pipe (404) in a direction from left to right, and the rotating rod (6) is manually rotated to make the slide slot (603) drive the limit tube (702) to rotate clockwise, at which time the valve block (701) and the sealing ring (403) are initially separated; Step 2: When the valve block (701) and the sealing ring (403) are initially separated, the connecting chamber (401) and the discharge pipe (404) form a connecting space, and the medium flow drives the push leaf (703) to rotate clockwise. The limit tube (702) and the screw rod (706) are threadedly connected to make the valve block (701) move upward along the screw rod (706). At this time, the valve block (701) and the sealing ring (403) are further separated; Step 3: The cutting ring (705) is rotated by the impact force of the medium flow, so that the cutting ring (705) and the top of the discharge pipe (404) perform a cutting operation, thereby breaking up foreign matter in the medium, thereby reducing the probability of foreign matter blocking the sealing component (4); Step 4: When the valve block (701) and the sealing ring (403) need to be closed, the guide valve (3) is rotated to seal one of the flow slots 1 (102) through the arc-shaped sealing plate (303), so that the medium flows from the flow slot 2 (402) to the discharge pipe (404) in the direction from right to left. The flow of the medium drives the push leaf (703) to rotate counterclockwise, and the limit tube (702) and the screw rod (706) are threadedly connected to make the valve block (701) move downward along the screw rod (706). At this time, the valve block (701) and the sealing ring (403) are closed; Step 5: Manually rotate the rotating rod (6) so that the slide groove (603) drives the limiting tube (702) to rotate counterclockwise, thereby increasing the fit between the valve block (701) and the sealing ring (403).

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