CN220792062U - Shunt stop valve - Google Patents

Abstract

The utility model discloses a split-flow stop valve, which belongs to the technical field of valves and comprises a stop valve, a water inlet, a water outlet, a mounting groove, a threaded rod, a locking nut, a stop groove, a pipeline, a threaded groove, a threaded valve rod, a sealing frame, a rubber sealing block and a hand wheel, wherein the water inlet is embedded in the side of the stop valve, the water outlet is embedded in the front and rear of the other side of the stop valve, and the pipeline is arranged on the side of the water inlet and the water outlet. According to the utility model, the rubber sealing block below the sealing frame is driven to extrude and slide into the stop groove, so that the rubber sealing block is driven to extrude and contact with the inner wall of the stop groove, and meanwhile, the extruding and sealing groove below the rubber sealing ring B is driven to slide to the outer side of the rubber sealing ring A, so that the inner and outer rings of the wavy rubber sealing ring A and the two sides of the inner wall of the wavy extruding and sealing groove are matched with each other to extrude and contact, and after the stop groove is completely extruded and sealed, liquid leakage caused by liquid passing through the stop groove can be better avoided, and the effect of better sealing and stop treatment on the liquid is improved.

Description

Shunt stop valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a split-flow stop valve.

Background

The valve is a control part used in pipelines for opening and closing pipelines, controlling the flow of conveying media and conveying fluid, and comprises various valves with different functions of stopping, adjusting, guiding, preventing backflow, splitting and the like, and is used in different environments.

According to the retrieval finding, the application number is CN201922463344.7, the diversion stop valve of the municipal tap water pipeline is provided with a valve body which is closed by a valve rod when the tap water pipeline is subjected to other municipal construction and needs to be closed, water flows out through a first branch pipe and a second branch pipe, the first control valve controls the first branch pipe to release water flow, the second control valve controls the second branch pipe to release water flow, the pipe diameters of the first branch pipe and the second branch pipe are different and can be connected with different pipelines, and meanwhile, the height of the valve body is adjusted by a movable rod and a hollow rod, so that the valve body is convenient to be connected with an external pipeline; the disadvantages are as follows:

when the staff installs this kind of municipal tap water pipeline's reposition of redundant personnel stop valve in municipal tap water pipeline assigned position use, the valve rod closes the back with the valve body, the circulation is through first branch pipe and second branch pipe outflow, first branch pipe and second branch pipe diameter are different, can be connected with different pipelines, first control valve control first branch pipe release rivers, second control valve control second branch pipe release rivers, the height of valve body is adjusted to movable rod and cavity pole simultaneously, make things convenient for the valve body to be connected with outside pipeline, and when installing valve body and outside pipeline connection, because the junction does not set up the device that can carry out supplementary butt joint between valve body and the outside pipeline, can make the valve body produce the rotation to both sides easily, only can carry out the butt joint installation processing after the manual support of staff, and during the manual support, can produce and rock because of arm ache easily, make the valve body support unstable and produce and rock, lead to the installation slightly to show inconveniently.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the split flow stop valve of the municipal tap water pipeline is slightly inconvenient to install, the split flow stop valve is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a shunt stop valve, includes stop valve, water inlet, delivery port, mounting groove, threaded rod, lock nut, stop groove, pipeline, thread groove, screw thread valve rod, seal frame, rubber seal piece and hand wheel, the embedding of stop valve side is provided with the water inlet, the relative embedding in front and back of stop valve opposite side is provided with the delivery port, water inlet and delivery port side all are provided with the pipeline, water inlet, delivery port and pipeline side all imbeds and are provided with the mounting groove, the mounting groove has a plurality of, and is the equidistance and encircle the setting, and relative two slide between the mounting groove inboard and be provided with the threaded rod, threaded rod both ends outer lane screw thread interlock rotation is provided with lock nut, the embedding is provided with the stop groove in the middle of the stop valve inside, the embedding of stop valve top is provided with the thread groove, screw thread inside top screw thread interlock rotation is provided with the screw thread valve rod, screw thread valve rod below fixed mounting has the seal frame, seal piece fixed mounting has rubber seal piece below the seal frame, and rubber seal piece extrusion activity sets up in the stop groove inboard, screw thread top fixed mounting has the delivery port and pipeline, seal mechanism is avoided the seal down corresponding to seal groove to seal down, seal down the side seal mechanism has the seal groove to seal down.

The auxiliary limiting installation mechanism comprises a limiting block A and a limiting groove A, wherein the limiting block A is fixedly installed on the side parts of the water inlet and the water outlet, the limiting block A is arranged in a plurality and is arranged in an equidistance surrounding mode, the limiting groove A is embedded in the side part of the end part of the pipeline, the limiting groove A is arranged in a plurality and is arranged in an equidistance surrounding mode, and the limiting block A is arranged inside the limiting groove A in a sliding mode.

The sealing mechanism comprises a rubber sealing ring A, a rubber sealing ring B and an extrusion sealing groove, wherein the rubber sealing ring A is fixedly installed on the inner wall of the stop valve close to the upper portion of the stop groove, the rubber sealing ring A is arranged in an annular mode, the inner ring and the outer ring of the rubber sealing ring A are all arranged in a wavy mode, the rubber sealing ring B is fixedly installed on the lower portion of the sealing frame close to the upper portion of the rubber sealing ring A, the rubber sealing ring B is arranged in an annular mode, the extrusion sealing groove is embedded in the lower portion of the rubber sealing ring B, the two sides of the inner wall of the extrusion sealing groove are arranged in a wavy mode, and the rubber sealing ring A is arranged on the inner side of the extrusion sealing groove in an extrusion sliding mode.

The limiting locking mechanism comprises a chute A, a chute B, a limiting groove B, a limiting sliding frame, a damping telescopic rod and a limiting block B, wherein the chute A is embedded in two sides of the upper portion of the stop valve, the limiting sliding frame is slidably arranged below the inner portion of the chute A, the chute B is embedded in the lower portion of the hand wheel, the chute B is arranged in a plurality of mode and is equidistantly arranged in a surrounding mode, the limiting sliding frame is arranged on the inner side of the chute B in a matched sliding mode, the limiting groove B is embedded in the upper portion and the lower portion of the inner wall side of the chute B in an arc-shaped mode, the damping telescopic rod is fixedly arranged on the upper portion and the lower portion of the side of the limiting sliding frame, a spring is arranged on the outer side of the damping telescopic rod in a matched mode, the limiting block B is fixedly arranged on the end portion of the side of the damping telescopic rod, the limiting block B is arranged in an arc-shaped mode, and the limiting block B is arranged on the inner side of the limiting groove B in a matched sliding mode.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. the split-flow stop valve is provided with the limiting auxiliary installation mechanism, so that workers can cooperate with the limiting groove A through the limiting block A, and the limiting block A is utilized to freely slide and limit the inner side of the limiting groove A, so that the effect of auxiliary butt joint installation of the water inlet, the water outlet and the pipeline is facilitated.

2. This kind of reposition of redundant personnel stop valve is through being provided with and agreeing with extrusion sealing mechanism, can make the staff pass through cooperation between rubber seal A, rubber seal B and the extrusion seal groove, utilizes rubber seal B to agree with extrusion gliding mode in rubber seal A outside through the extrusion seal groove, can better avoid liquid to pass the stop groove and cause the weeping, improves the effect that carries out better sealed stop treatment to liquid.

3. This kind of reposition of redundant personnel stop valve is through being provided with spacing locking mechanism, can make the staff pass through spout A, spout B, spacing groove B, cooperation between spacing carriage, damping telescopic link and the stopper B, utilize spacing carriage free to slide in spout B inboard, stopper B passes through damping telescopic link and outside spring free in the inboard gliding mode of spacing groove B, when liquid produces the extrusion force to the screw thread valve rod is whole through the stop groove, can avoid the screw thread valve rod to rotate and produce the effect that the smooth silk caused the damage in the screw thread inslot.

Drawings

FIG. 1 is a schematic diagram of a front perspective view of a diverter stop valve of the present utility model;

FIG. 2 is a schematic diagram of the front cross-sectional structure of the diverter stop valve of the present utility model;

FIG. 3 is a schematic diagram of the enlarged construction of FIG. 2 at A in accordance with the present utility model;

FIG. 4 is a schematic diagram of the enlarged structure of FIG. 2B in accordance with the present utility model;

fig. 5 is a schematic diagram showing the second enlarged structure of the embodiment B in fig. 2 according to the present utility model.

The marks in the figure: 1. a stop valve; 101. a water inlet; 102. a water outlet; 103. a mounting groove; 104. a threaded rod; 105. a lock nut; 106. a limiting block A; 107. a cut-off groove; 108. a rubber sealing ring A; 109. a chute A; 2. a pipe; 201. a limit groove A; 3. a thread groove; 301. a threaded valve stem; 302. a sealing frame; 303. a rubber sealing block; 304. a rubber sealing ring B; 305. extruding a sealing groove; 4. a hand wheel; 401. a chute B; 402. a limit groove B; 403. a limit groove C; 404. a limit groove; 5. a limit sliding frame; 501. damping telescopic rod; 502. a limiting block B; 503. a limiting frame; 504. and a limit bump.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the utility model, the following components are added:

embodiment one: referring to figures 1-5, the split-flow stop valve comprises a stop valve 1, a water inlet 101, a water outlet 102, a mounting groove 103, a threaded rod 104, a lock nut 105, a stop groove 107, a pipeline 2, a threaded groove 3, a threaded valve rod 301, a sealing frame 302, a rubber sealing block 303 and a hand wheel 4, wherein the water inlet 101 is embedded in the side of the stop valve 1, the water outlet 102 is embedded in the front and back of the other side of the stop valve 1, the pipeline 2 is arranged in the side of the water inlet 101 and the water outlet 102, the mounting grooves 103 are embedded in the side of the water inlet 101, the water outlet 102 and the pipeline 2, the plurality of mounting grooves 103 are arranged in an equidistant surrounding manner, the threaded rod 104 is arranged between the inner sides of the two opposite mounting grooves 103 in a sliding manner, the lock nuts 105 are arranged at the thread engagement rotation of the outer rings at the two ends of the threaded rod 104, the middle embedding is provided with stop groove 107 in the inside of stop valve 1, the embedding of stop valve 1 top is provided with thread groove 3, thread groove 3 inside top screw interlock rotation is provided with screw thread valve rod 301, screw thread valve rod 301 below fixed mounting has seal holder 302, seal holder 302 below fixed mounting has rubber seal piece 303, and rubber seal piece 303 extrudees the activity setting and is inboard at stop groove 107, screw thread valve rod 301 top fixed mounting has hand wheel 4, be provided with the spacing auxiliary installation mechanism of auxiliary installation between water inlet 101 and delivery port 102 and the corresponding pipeline 2, hand wheel 4 below is provided with can avoid rivers to strike too big spacing locking mechanism that leads to screw thread valve rod 301 smooth silk to seal holder 302, seal holder 302 below is provided with the agreeing extrusion sealing mechanism that can increase the sealing of stop groove department.

1-2, further, the limit auxiliary mounting mechanism is composed of a limit block A106 and a limit groove A201;

the water inlet 101 and the water outlet 102 are provided with limiting blocks A106 fixedly arranged on the side of the end part, a plurality of limiting blocks A106 are arranged in an equidistance surrounding mode, limiting grooves A201 are formed in the side of the end part of the pipeline 2 in an embedded mode, a plurality of limiting grooves A201 are formed in the side of the limiting grooves A201 in an equidistance surrounding mode, the limiting blocks A106 are arranged on the inner side of the limiting grooves A201 in a sliding fit mode, when workers need to install the shunted stop valve 1, the stop valve 1 is carried to the installation place, the stop valve 1 is placed at the position where the pipeline 2 needs to be installed, matched sealing rings are placed between the water inlet 101 and the water outlet 102 and the corresponding pipeline 2, the side limiting blocks A106 of the water inlet 101 and the water outlet 102 are made to slide into the inner side of the limiting grooves A201 of the corresponding pipeline 2 respectively, after the stop valve 1 is subjected to limiting treatment in advance, workers slide a plurality of threaded rods 104 into the corresponding installation grooves 103, and screw a plurality of locking nuts 105 are respectively screwed on the two sides of the threaded rods 101 and the pipeline 2, the installation is achieved through locking and fixing and the installation is convenient, and the auxiliary butt joint of the workers are installed on the water inlet 101 and the water outlet 102 and the pipeline 2.

Referring to fig. 2-3, further, the conforming extrusion seal mechanism is composed of a rubber seal ring a108, a rubber seal ring B304, and an extrusion seal groove 305;

the inner wall of the stop valve 1 is close to the upper part of the stop groove 107 and fixedly provided with a rubber sealing ring A108, the rubber sealing ring A108 is in an annular shape, the inner ring and the outer ring of the rubber sealing ring A108 are all in wavy shape, the lower part of the sealing frame 302 is close to the upper part of the rubber sealing ring A108 and fixedly provided with a rubber sealing ring B304, the lower part of the rubber sealing ring B304 is in an annular shape, the two sides of the inner wall of the extrusion sealing groove 305 are in wavy shape, the rubber sealing ring A108 is arranged on the inner side of the extrusion sealing groove 305 in an extrusion sliding manner, when a worker installs the stop valve 1, and when the worker uses a pipeline 2 to convey liquid, the liquid is led into the stop valve 1 from the water inlet 101 through the pipeline, at the moment, the worker screws the threaded valve rod 301 to rotate at the inner side of the thread groove 3 in a thread engagement way to drive the rubber sealing block 303 below the sealing frame 302 to slide out of the stop groove 107, the lower extrusion sealing groove 305 of the rubber sealing ring B304 is driven to slide out of the outer side of the rubber sealing ring A108, the stop groove 107 is opened, liquid is led out of the two water outlets 102 through the stop groove 107 respectively, and is led into the corresponding pipeline 2, after the liquid is conveyed, when a worker needs to close the stop valve 1, the worker reversely screws the threaded valve rod 301 to rotate in a threaded engagement mode at the inner side of the threaded groove 3, the rubber sealing block 303 below the sealing frame 302 is driven to slide into the stop groove 107 in an extrusion mode, the rubber sealing block 303 is in extrusion contact with the inner wall of the stop groove 107, the lower extrusion sealing groove 305 of the rubber sealing ring B304 is driven to slide out of the rubber sealing ring A108 at the same time, the inner and outer ring of the wavy rubber sealing ring A108 and the two sides of the inner wall of the wavy extrusion sealing groove 305 are in fit extrusion contact, after the stop groove 107 is completely extrusion sealing treatment, liquid leakage caused by the fact that the liquid passes through the stop groove 107 can be better avoided, improving the effect of better sealing and stopping treatment on the liquid.

Referring to fig. 1, 2 and 4, further, the limit locking mechanism is composed of a chute a109, a chute B401, a limit chute B402, a limit sliding frame 5, a damping telescopic rod 501 and a limit block B502;

the two sides above the stop valve 1 are embedded with a chute A109, the lower part inside the chute A109 is provided with a limit sliding frame 5 in a sliding way, the lower part of a hand wheel 4 is embedded with a chute B401, a plurality of the chutes B401 are equidistantly and circumferentially arranged, the limit sliding frames 5 are arranged inside the chute B401 in a matching sliding way, the upper and lower sides of the side of the inner wall of the chute B401 are embedded with limit grooves B402, the limit grooves B402 are arranged in an arc shape, the upper and lower sides of the side of the limit sliding frame 5 are fixedly provided with damping telescopic rods 501, the outer sides of the damping telescopic rods 501 are provided with springs in a matching way, the side of the end part of each damping telescopic rod 501 is fixedly provided with a limit block B502, and the limit blocks B502 are arranged in an arc shape, and stopper B502 agrees with the slip setting in spacing groove B402 inboard, when the staff twists thread valve rod 301 and opens stop groove 107, when making liquid pass through, promote two spacing slide racks 5 and upwards slide in spout A109 inboard, make spacing slide rack 5 slide in spout B401, drive stopper B502 extrusion damping telescopic link 501 and outside spring, drive stopper B502 and be close to spacing groove B402 after, damping telescopic link 501 and outside spring pop out stopper B502 slide in spacing groove B402 inboard, with the spacing fixed back of hand wheel 4, when liquid produces the extrusion force to thread valve rod 301 is whole through stop groove 107, can avoid thread valve rod 301 to rotate and produce the effect that the smooth silk led to the fact the damage in thread groove 3 inboard.

Examples

As shown in fig. 5, a plurality of sliding grooves B401 are embedded below a hand wheel 4, the sliding grooves B401 are equidistantly and circumferentially arranged, a limit sliding frame 5 is fittingly and slidably arranged inside the sliding grooves B401, a limit groove B402 is embedded above and below the side of the inner wall of the sliding groove B401, the limit groove B402 is arc-shaped, a damping telescopic rod 501 is fixedly arranged above and below the side of the limit sliding frame 5, a spring is fittingly arranged outside the damping telescopic rod 501, a limit block B502 is fixedly arranged at the side of the end part of the damping telescopic rod 501, the limit block B502 is arc-shaped, the limit block B502 is fittingly and slidably arranged inside the limit groove B402, another embodiment exists, a limit frame 503 is fixedly arranged above the limit sliding frame 5, the limit frame 503 is U-shaped, a plurality of limit grooves C403 are embedded below the hand wheel 4, and be the equidistance and encircle the setting, and limit frame 503 agrees with the slip setting in limit groove C403 inboard, limit groove C403 inner wall both sides embedding is provided with spacing recess 404, limit frame 503 both sides fixed mounting has spacing lug 504, and spacing lug 504 agrees with the slip setting in spacing recess 404 inboard, when the staff twisted screw thread valve rod 301 and open stop groove 107, when making liquid pass through, promote two spacing slide frames 5 at spout A109 inboard upwards slide, make spacing lug 504 extrusion limit frame 503 extrusion deformation and slide into relative limit groove C403 inboard, make spacing lug 504 be close to spacing recess 404 after, spacing lug 504 rebound slides into spacing recess 404 inboard, accomplish spacing to hand wheel 4, carry out spacing fixed processing with thread valve rod 301 whole, compare in first embodiment, fixed effect is better.

Working principle: firstly, when a worker needs to install the shunt stop valve 1, carrying the stop valve 1 to an installation site, placing the stop valve 1 at a position where a pipeline 2 needs to be installed, placing matched sealing rings between a water inlet 101 and a water outlet 102 and the corresponding pipeline 2, respectively enabling a side limiting block A106 of the water inlet 101 and the water outlet 102 to slide into the inner side of a limiting groove A201 on the side of the corresponding pipeline 2 to limit, after the stop valve 1 is subjected to pre-limiting treatment, sliding a plurality of threaded rods 104 into opposite installation grooves 103 by the worker, respectively screwing a plurality of locking nuts 105 on two sides of the plurality of threaded rods 104, locking and fixing the water inlet 101, the water outlet 102 and the pipeline 2 to finish installation, then, when the worker uses the pipeline 2 to convey liquid, guiding the liquid into the stop valve 1 from the water inlet 101 through the pipeline, screwing a threaded valve rod 301 to rotate in a threaded manner on the inner side of the threaded groove 3, while driving the rubber sealing block 303 below the sealing frame 302 to slide out of the stop groove 107, driving the extrusion sealing groove 305 below the rubber sealing ring B304 to slide out of the rubber sealing ring A108, opening the stop groove 107, enabling liquid to be respectively guided out of the two water outlets 102 into the corresponding pipeline 2 through the stop groove 107, pushing the two limit sliding frames 5 to slide upwards on the inner sides of the sliding grooves A109, enabling the limit sliding frames 5 to slide into the sliding grooves B401, driving the limit block B502 to extrude the damping telescopic rod 501 and the outer springs, driving the limit block B502 to slide into the inner sides of the limit groove B402 after the limit block B502 is close to the limit groove B402, and when the hand wheel 4 is limited and fixed, and the liquid is subjected to extrusion force to the whole of the threaded valve rod 301 through the stop groove 107, the phenomenon that the sliding wires are damaged due to the rotation of the threaded valve rod 301 on the inner sides of the threaded groove 3 can be avoided, and finally, after the conveying treatment of the liquid is carried out, when a worker needs to close the stop valve 1, after reversely pushing the two limit sliding frames 5 to loosen the hand wheel 4, reversely screwing the threaded valve rod 301 to rotate on the inner side of the threaded groove 3 in a threaded engagement manner, driving the rubber sealing block 303 below the sealing frame 302 to extrude and slide into the stop groove 107, driving the extrusion sealing groove 305 below the rubber sealing ring B304 to slide to the outer side of the rubber sealing ring A108 while enabling the inner ring and the outer ring of the wavy rubber sealing ring A108 to be in fit extrusion contact with the two sides of the inner wall of the wavy extrusion sealing groove 305, and completely extruding and sealing the stop groove 107.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. The split flow stop valve comprises a stop valve (1), a water inlet (101), a water outlet (102), a mounting groove (103), a threaded rod (104), a lock nut (105), a stop groove (107), a pipeline (2), a threaded groove (3), a threaded valve rod (301), a sealing frame (302), a rubber sealing block (303) and a hand wheel (4), wherein the water inlet (101) is arranged in a laterally embedded mode, the water outlet (102) is arranged in a relatively embedded mode in the front and rear direction of the other side of the stop valve (1), the pipeline (2) is arranged on the side of the water inlet (101) and the water outlet (102), the mounting groove (103) is arranged in a laterally embedded mode, the mounting groove (103) is provided with a plurality of threaded rods (104) in an equidistantly encircling mode, the lock nut (105) is arranged in a rotationally embedded mode between the inner sides of the corresponding two ends of the mounting groove (103), the stop valve (1) is provided with the water inlet (101), the thread (301) is arranged in a threaded mode in the upper portion of the threaded groove (3), the utility model discloses a screw thread valve rod, screw thread valve rod (301) below fixed mounting has seal frame (302), seal frame (302) below fixed mounting has rubber seal piece (303), and rubber seal piece (303) extrusion activity sets up in cut-off groove (107) inboard, screw thread valve rod (301) top fixed mounting has hand wheel (4), its characterized in that: the water inlet (101) and the water outlet (102) are provided with limiting auxiliary installation mechanisms for auxiliary installation with corresponding pipelines (2), limiting locking mechanisms capable of preventing thread valve rods (301) from sliding due to overlarge impact of water flow on sealing frames (302) are arranged below hand wheels (4), and fitting extrusion sealing mechanisms capable of increasing sealing performance of cut-off grooves are arranged below the sealing frames (302).

2. The diverter shutoff valve of claim 1, wherein: the limit auxiliary mounting mechanism consists of a limit block A (106) and a limit groove A (201);

limiting blocks A (106) are fixedly arranged on the side parts of the end parts of the water inlet (101) and the water outlet (102), limiting grooves A (201) are embedded in the side parts of the end parts of the pipelines (2), and the limiting blocks A (106) are arranged on the inner sides of the limiting grooves A (201) in a fit sliding mode.

3. The diverter shutoff valve of claim 1, wherein: the fit extrusion sealing mechanism consists of a rubber sealing ring A (108), a rubber sealing ring B (304) and an extrusion sealing groove (305);

the sealing device is characterized in that a rubber sealing ring A (108) is fixedly installed on the inner wall of the stop valve (1) close to the upper portion of the stop groove (107), a rubber sealing ring B (304) is fixedly installed on the lower portion of the sealing frame (302) close to the upper portion of the rubber sealing ring A (108), an extrusion sealing groove (305) is embedded below the rubber sealing ring B (304), and the rubber sealing ring A (108) is arranged on the inner side of the extrusion sealing groove (305) in an extrusion sliding mode.

4. The diverter shutoff valve of claim 1, wherein: the limiting locking mechanism consists of a sliding groove A (109), a sliding groove B (401), a limiting groove B (402), a limiting sliding frame (5), a damping telescopic rod (501) and a limiting block B (502);

the two sides above the stop valve (1) are embedded with a chute A (109), a limit sliding frame (5) is arranged below the inside of the chute A (109) in a sliding way, a chute B (401) is embedded below the hand wheel (4), the limit sliding frame (5) is arranged inside the chute B (401) in a matching sliding way, a limit groove B (402) is embedded above and below the side of the inner wall of the chute B (401), the damping telescopic rod (501) is fixedly arranged above and below the side of the limiting sliding frame (5), a spring is arranged on the outer side of the damping telescopic rod (501) in a matched mode, a limiting block B (502) is fixedly arranged on the side of the end portion of the damping telescopic rod (501), and the limiting block B (502) is matched with the inner side of the limiting groove B (402) in a sliding mode.

5. The diverter shutoff valve of claim 2, wherein: the limiting blocks A (106) are arranged in a plurality of equidistant encircling mode, and the limiting grooves A (201) are arranged in a plurality of equidistant encircling mode.

6. A diverter stop valve as recited in claim 3, wherein: the rubber sealing ring A (108) is arranged in an annular shape, the inner ring and the outer ring of the rubber sealing ring A (108) are all arranged in a wavy shape, the rubber sealing ring B (304) is arranged in an annular shape, and two sides of the inner wall of the extrusion sealing groove (305) are arranged in a wavy shape.

7. The diverter shutoff valve of claim 4, wherein: the limiting grooves B (402) are arranged in an arc shape, and the limiting blocks B (502) are arranged in an arc shape.