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CN-117628228-B - Poppet valve for pipe explosion detection

CN117628228BCN 117628228 BCN117628228 BCN 117628228BCN-117628228-B

Abstract

The invention relates to the technical field of valves, in particular to a poppet valve for detecting a pipe explosion, which comprises a valve cavity plate, wherein a liquid filtering column cavity and a lifting column cavity are formed in the valve cavity plate, the liquid filtering column cavity is communicated with the position, close to the upper end, of the lifting column cavity, a closed loop table is fixedly arranged on the surface of the inner wall of the lifting column cavity, the closed loop table is positioned below a communicating port of the liquid filtering column cavity and the lifting column cavity, a liquid outlet cavity is formed in the valve cavity plate, one end of the liquid outlet cavity is communicated with the position, located below the closed loop table, of the lifting column cavity, and the other end of the liquid outlet cavity is communicated with the outside.

Inventors

  • GUO XIAOBING
  • WANG LEI
  • ZHANG JINGMIN
  • ZHANG MING
  • QIN BANGHAO

Assignees

  • 江苏兰格特自动化设备有限公司

Dates

Publication Date
20260505
Application Date
20231127

Claims (9)

  1. 1. The utility model provides a popping pipe detects and uses poppet valve, includes valve body cavity board (1), wherein liquid filtering column cavity (2) and promotion column cavity (3) have been seted up to the inside of valve body cavity board (1), filtrate column cavity (2) with the position intercommunication that promotion column cavity (3) is close to the upper end, the inner wall surface of promotion column cavity (3) is fixed to be provided with and is closed loop (4), closed loop (4) are located the below of liquid filtering column cavity (2) and promotion column cavity (3) intercommunication mouth department, liquid outlet channel (5) have been seted up to the inside of valve body cavity board (1), liquid outlet channel (5) one end and promotion column cavity (3) are located the position intercommunication of closed loop (4) below, liquid outlet channel (5)'s the other end and external intercommunication, be provided with shutoff valve disc (6) directly over closure loop (4), the central point of valve disc (6) is fixed to be provided with and is lifted branch shaft (7), the outside of promotion branch shaft (7) is located the valve disc (6) and is located the position of valve disc (9) and is provided with the inside of the plunger (9) of the shutoff valve plug that is close to the inside of the plunger, and is provided with the power piston (9) to seal the inside of the plunger, and is closed to the plunger; The pipe explosion detection structure comprises a triggering containing cavity (901), a locking ring groove (902), a horizontal groove (903) and a spring plate cavity (904), wherein the triggering containing cavity (901) is formed in the center of the upper surface of a power plunger (9), the lower end of a lifting split shaft (7) is inserted into the triggering containing cavity (901), the locking ring groove (902) is formed in the outer surface of the lifting split shaft (7) close to the lower end, the horizontal groove (903) and the spring plate cavity (904) are formed in the power plunger (9), the horizontal groove (903) and the spring plate cavity (904) are mutually communicated, and the other end of the horizontal groove (903) is communicated with the triggering containing cavity (901).
  2. 2. The poppet valve for pipe explosion detection according to claim 1, wherein a lock tongue plate (905) is arranged in the horizontal groove (903), a vertical tail plate (906) is arranged in the spring plate cavity (904), the lock tongue plate (905) is fixedly installed with the vertical tail plate (906), one end, far away from the vertical tail plate (906), of the lock tongue plate (905) is clamped in the lock ring groove (902), a horizontal pushing spring (907) is arranged on one side, far away from the lock tongue plate (905), of the vertical tail plate (906), and a self-locking hole (908) is formed in the upper surface of the lock tongue plate (905).
  3. 3. The poppet valve for detecting the pipe explosion according to claim 2, wherein a decompression ring groove (909) is formed in the upper surface of the power plunger (9), a compression push ring (910) is arranged in the decompression ring groove (909), the inner side surface and the outer side surface of the compression push ring (910) are in sealing contact with the inner wall surface of the decompression ring groove (909), a limit protruding edge is arranged at a position, close to the upper position, of the inner wall surface of the decompression ring groove (909), the limit protruding edge limits the compression push ring (910), and a push ring spring (911) is arranged below the compression push ring (910) in the decompression ring groove (909).
  4. 4. The poppet valve for detecting a squib according to claim 3, wherein a trigger lock shaft (912) is fixedly arranged on the lower surface of the pressing push ring (910), a lock shaft insertion hole (913) is formed in the lower surface of the inside of the decompression ring groove (909) in a penetrating manner, the lock shaft insertion hole (913) corresponds to the self-locking hole (908) up and down, and the trigger lock shaft (912) is inserted in the lock shaft insertion hole (913) in a sliding sealing manner.
  5. 5. The poppet valve for detecting a squib according to claim 4, wherein a separation jack (914) is formed in the power plunger (9), the separation jack (914) is horizontally arranged, a separation transverse shaft (915) is inserted in the separation jack (914) in a sliding and sealing manner, one end of the separation transverse shaft (915) is fixedly arranged with a vertical tail plate (906), a sagging pull plate (916) is fixedly arranged at the other end of the separation transverse shaft (915), a reversing arc cavity (917) and a rollback column cavity (918) are formed in the power plunger (9), the rollback column cavity (918) is parallel to the trigger lock shaft (912), and the upper end of the rollback column cavity (918) is communicated with the reversing arc cavity (917).
  6. 6. The poppet valve for detecting a tube explosion according to claim 5, wherein a spring connecting disc (919) is arranged in the back post cavity (918) near the upper end, a reversing wire (920) is connected between the spring connecting disc (919) and the drop plate (916), the reversing wire (920) is inserted through the reversing arc cavity (917), a back tension spring (921) is arranged on the lower surface of the spring connecting disc (919) in a connecting mode, a traction clamping ring (922) is fixedly arranged below the power plunger (9), the lower end of the back tension spring (921) is fixedly connected with the traction clamping ring (922), an equalizing air hole (923) is vertically formed in the power plunger (9), the upper end of the equalizing air hole (923) is communicated with the decompression annular groove (909), and the lower end of the equalizing air hole (923) penetrates downwards.
  7. 7. The poppet valve for detecting the pipe explosion according to claim 1, wherein a plunger nut (924) is spirally arranged at the lower end of the lifting column cavity (3), a secondary air hole (925) is vertically formed in the plunger nut (924) in a penetrating mode, a lifting main pushing shaft (926) is fixedly arranged on the lower surface of the power plunger (9), the lifting main pushing shaft (926) is inserted through the plunger nut (924), a grid retaining nut (928) is spirally arranged on the outer portion of the lifting main pushing shaft (926), a lower-stage compression spring (927) is sleeved on the outer portion of the lifting main pushing shaft (926), the lower-stage compression spring (927) is located between the grid retaining nut (928) and the plunger nut (924), and a transverse shaft support (929) is fixedly arranged on the lower end surface of the lifting main pushing shaft (926).
  8. 8. The poppet valve for detecting a pipe explosion according to claim 7, wherein a fixed handle plate (101) is fixedly arranged on the surface of the valve body cavity plate (1), a valve lifting handle (102) is rotatably arranged at the lower part of the fixed handle plate (101), the valve lifting handle (102) is in clamping fit with the transverse shaft support (929), and when the valve lifting handle (102) is pulled, the transverse shaft support (929) can be driven to ascend in a squeezing mode.
  9. 9. The poppet valve for pipe explosion detection according to claim 1, wherein a filtering hole pipe (201) is arranged in the filtrate column cavity (2), a filtering hole is formed in the surface of the filtering hole pipe (201) in a penetrating mode, a liquid inlet nut (202) is arranged at the lower end of the filtrate column cavity (2) in a screwed mode, the liquid inlet nut (202) is in extrusion contact with the lower end of the filtering hole pipe (201), an upper-stage extrusion nut (301) is arranged at the upper end of the lifting column cavity (3) in a screwed mode, the upper-stage extrusion nut (301) is arranged above the upper-stage compression spring (8) in a pressed mode, and a liquid outlet butt joint screw hole (501) is formed in the other end of the liquid outlet cavity (5) in a communicated mode.

Description

Poppet valve for pipe explosion detection Technical Field The invention relates to the technical field of valves, in particular to a poppet valve for pipe explosion detection. Background The poppet valve is a simple-structure regulating valve, can be used for controlling the opening and closing of a pipeline medium, is a valve which is characterized in that a closing member is a disc, and can be opened and closed through up-and-down movement, the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metals, radioactive mediums and the like, and mainly plays roles of cutting off and throttling on the pipeline, and the poppet valve in the prior art is disclosed as a poppet valve with a publication number CN106032857A, wherein the poppet valve comprises a valve body, a valve rod which is arranged in the valve body and can axially reciprocate relative to the valve body, a valve core which is driven by the valve rod and axially moves together with the valve rod, and a valve seat which is provided with a valve port which is contacted with or separated from the valve core, wherein the valve seat is arranged opposite to the valve rod, and the valve seat is connected with the valve body. The valve rod is in threaded fit with the valve body, and the valve rod rotates by operating the valve rod, so that the valve rod axially reciprocates relative to the valve body while rotating, and the valve core axially reciprocates to abut against or separate from the valve port, so that the valve port is opened or closed, and the poppet valve is in a fully opened position or a fully closed position, so that the refrigerant of the refrigerating system is stopped and conducted; As described in the above-mentioned document, the poppet valve in the prior art can perform only one-way opening/closing control, cannot realize multi-way control, does not have a pipe burst detection and automatic valve closing function, and is poor in safety. Disclosure of Invention The present invention is directed to a poppet valve for detecting a squib, which solves the problems set forth in the background art. In order to achieve the purpose, the technical scheme is that the poppet valve for pipe explosion detection comprises a valve body cavity plate, a liquid filtering column cavity and a lifting column cavity are formed in the valve body cavity plate, the liquid filtering column cavity is communicated with the position, close to the upper end, of the lifting column cavity, a sealing ring table is fixedly arranged on the surface of the inner wall of the lifting column cavity, the sealing ring table is located below a communicating port of the liquid filtering column cavity and the lifting column cavity, a liquid outlet cavity channel is formed in the valve body cavity plate, one end of the liquid outlet cavity channel is communicated with the position, located below the sealing ring table, of the lifting column cavity, the other end of the liquid outlet cavity channel is communicated with the outside, a sealing valve disc is arranged right above the sealing ring table, a lifting split shaft is fixedly arranged at the central position of the sealing valve disc, a superior compression spring is arranged above the sealing ring is arranged outside the sealing split shaft, a power plunger is arranged in the sealing sliding mode, and the inner portion, close to the lower end of the sealing ring is provided with a pipe explosion detection structure with an automatic unlocking function. The pipe explosion detection structure comprises a triggering containing cavity, a locking ring groove, a horizontal groove and a spring plate cavity, wherein the triggering containing cavity is formed in the center of the upper surface of the power plunger, the lower end of the lifting split shaft is inserted into the triggering containing cavity, the locking ring groove is formed in the position, close to the lower end, of the outer surface of the lifting split shaft, the horizontal groove and the spring plate cavity are formed in the power plunger, the horizontal groove and the spring plate cavity are mutually communicated, and the other end of the horizontal groove is communicated with the triggering containing cavity. The inside in horizontal groove is provided with the lock tongue board, the inside in spring board chamber is provided with perpendicular tailboard, the lock tongue board with perpendicular tailboard fixed mounting, the one end card that perpendicular tailboard was kept away from to the lock tongue board is in the inside of locking annular, one side that perpendicular tailboard kept away from the lock tongue board is provided with the horizontal pushing spring, the self-locking hole has been seted up to the upper surface of lock tongue board. The power plunger is characterized in that a decompression ring groove is formed in the upper surface of the power plun