CN117869638A - Container valve with emergency re-activatable function - Google Patents

Abstract

The invention relates to a fire-fighting accessory, and discloses a container valve with emergency repeatable starting, which comprises a valve body, a valve core, an end cover and a starter, wherein an outlet and an inlet are arranged on the valve body, and a through hole is arranged on the valve core; the valve body is provided with a valve core cavity which is transversely arranged and communicated with the outlet, and the axis of the valve core cavity is parallel or coincident with the axis of the outlet; the valve core is arranged in the valve core cavity and forms a lower cavity with the end cover, and the lower cavity is communicated with the inlet through a through hole; the starter is arranged at the top of the valve body and forms an upper chamber with the valve body, and the upper chamber is communicated with the lower chamber; the valve body is provided with a pressure relief channel communicated with the outlet, the other end of the pressure relief channel penetrates through the upper cavity, and the starter acts on the pressure relief channel and controls the opening or closing of the port of the pressure relief channel. The valve core is horizontally arranged, so that the structure between the upper cavity and the lower cavity is directly arranged on the valve body, and compared with the traditional structure, the valve core is reduced. Meanwhile, the upper cavity is directly communicated with the outlet through the pressure relief channel, so that the waste of fire extinguishing agent is avoided during starting.

Description

Container valve with emergency re-activatable function

Technical Field

The present invention relates to fire fittings and, more particularly, to a container valve with emergency re-activatable.

Background

In recent years, along with the advantages of large energy density, high output power, long charge and discharge life and the like of lithium batteries, the lithium batteries are widely applied in the fields of traffic power, electric power energy storage, mobile communication and the like

In view of the above technical needs, conventional gas fire valves suffer from several disadvantages: (1) the diaphragm valve can be started at one time only by puncturing the diaphragm, and cannot realize a plurality of starting functions, for example, the bulletin number is CN 206368987U; (2) the valve core type valve can leak a large amount of medicament from a valve core discharge port when the valve is started, so that waste is caused; (3) when the traditional valve is mechanically started in an emergency, people need to go to the bottle group storage area to perform manual operation on site, and when energy is stored in a fire disaster, hidden danger of explosion exists, and the valve needs to be evacuated in time and cannot be operated; (4) the traditional fire detection pipe valve has small flow path, can not be started electrically, and is very easy to cause that the pressurizing valve is opened too much to cause false start when the fire detection pipe pipeline is pressurized.

Disclosure of Invention

The present invention addresses the shortcomings of the prior art by providing a container valve with emergency re-activatable.

In order to solve the technical problems, the invention is solved by the following technical scheme:

the container valve with emergency repeatable start comprises a valve body, a valve core, an end cover and a starter, wherein an outlet and an inlet are arranged on the valve body, and a through hole is arranged on the valve core; the valve body is provided with a valve core cavity which is transversely arranged and communicated with the outlet, and the axis of the valve core cavity is parallel or coincident with the axis of the outlet; the valve core is arranged in the valve core cavity and forms a lower cavity with the end cover, and the lower cavity is communicated with the inlet through a through hole; the starter is arranged at the top of the valve body and forms an upper chamber with the valve body, and the upper chamber is communicated with the lower chamber; the valve body is provided with a pressure relief channel communicated with the outlet, the other end of the pressure relief channel penetrates through the upper cavity, and the starter acts on the pressure relief channel and controls the opening or closing of the port of the pressure relief channel. The valve core is horizontally arranged, so that the structure between the upper cavity and the lower cavity is directly arranged on the valve body, and compared with the traditional structure, the valve core is reduced. Meanwhile, the upper cavity is directly communicated with the outlet through the pressure relief channel, so that the waste of fire extinguishing agent is avoided during starting.

Preferably, the valve body is provided with a connecting cavity, and the valve core cavity, the outlet and the pressure relief channel are all communicated with the connecting cavity. The connecting cavity can enable the outlet and the valve core cavity to be eccentrically arranged, and the upper cavity is convenient for discharging the medicament to the outlet.

Preferably, a gap is formed between the left end part of the valve core and the inner wall of the lower chamber, a connecting hole for communicating the upper chamber with the lower chamber is arranged on the valve body, and the lower end of the connecting hole is directly communicated with the gap. The arrangement of the gap enables the valve core not to block the connecting hole, so that the upper cavity is communicated with the lower cavity.

Preferably, a first sealing groove is formed in the inner wall of the valve lower chamber, the distance from the first sealing groove to the valve core cavity port is larger than the distance from the connecting hole to the valve core cavity port, and a first sealing ring for sealing the valve core is arranged in the first sealing groove.

Preferably, the end cover is provided with a stepped hole communicated with the lower cavity, a hose connecting piece is arranged on a big hole of the stepped hole, a valve core is arranged on a small hole of the stepped hole, and a thimble for pushing up the valve core is arranged at the end part of the hose connecting piece. The valve core is used for controlling the lower cavity to be communicated with or cut off from the hose connecting piece, and the hose connecting piece is installed to push the valve core open through the ejector pin on the hose connecting piece, so that the operation is simple and the safety is high.

Preferably, the ejector pin is integrally formed at the end part of the hose connecting piece, and a plurality of vent holes penetrating through the inner cavity of the hose connecting piece are formed in the periphery of the ejector pin. After the valve core is jacked open, the gas in the lower chamber can be communicated into the hose connection piece through the vent hole.

Preferably, the valve core comprises a seat body, a core body, an elastic element and a second sealing ring, wherein the seat body is arranged on the end cover in a threaded manner, and the second sealing ring is arranged at the end part of the seat body; one end of the core body extends into the seat body, and the other end of the core body is covered on the second sealing ring; one end of the elastic element is supported on the seat body, the other end of the elastic element is supported on the core body, and the thimble is connected with the core body and jacks up the core body.

Preferably, the hose connecting piece is provided with a fire detection pipe and a cap, a conical cavity is arranged at the port of the hose connecting piece, a third sealing ring sleeved on the fire detection pipe is arranged in the conical cavity, and the cap is in threaded connection with the outer end part of the hose connecting piece and compresses the third sealing ring in the conical cavity. The conical cavity is used for installing a third sealing ring, meanwhile, the taper of the conical cavity can play a role in guiding, when the cap is locked, the third sealing ring can be tensioned along the extending direction of the conical cavity, and after the third sealing ring is compressed, the third sealing ring can be locked to lock the fire detection pipe on the hose connecting piece on the one hand, so that the fire detection pipe is prevented from easily moving axially and rotating radially; on the other hand, the sealing function is also realized, and the leakage of gas from a gap between the fire detecting tube and the hose connecting piece is prevented.

Preferably, the sealing device further comprises a locking cap, a second sealing groove is formed in the side wall of the inner end of the hose connecting piece, a fourth sealing ring is installed on the second sealing groove, the hose connecting piece is inserted into the large hole of the stepped hole with the fourth sealing ring, the outer wall of the hose connecting piece is provided with an outwards protruding flange, and the locking cap is in threaded connection with the end cover and is tightly pressed on the flange. The hose connector is inserted on the end cover, and the hose connector is convenient to assemble and disassemble. The hose connecting piece is locked on the end cover through the locking cap, so that the installation position of the hose connecting piece on the large hole of the stepped hole is conveniently controlled.

Preferably, the valve body is provided with an outwards-protruding interface, the valve core cavity penetrates through the interface, the inner bottom surface of the end cover is provided with a third sealing groove, the third sealing groove is provided with a sealing gasket, and the end cover is in sealing connection with the end surface of the interface through the sealing gasket; and a fourth sealing ring which is in sealing connection with the outer wall of the interface is arranged at the port of the end cover. The interface is convenient to install the end cover, and the end cover is sealed through two ways, so that the tightness of the end cover and the valve body is improved.

Preferably, the valve body is provided with an inflation connector and a lock nut, the lock nut is in threaded connection with the valve body and is pressed on the inflation connector, and the inflation connector is provided with a pressure gauge for monitoring pressure; the safety valve and the safety diaphragm are arranged on the valve body, and the safety valve tightly presses the safety diaphragm on the valve body.

The invention has the remarkable technical effects due to the adoption of the technical scheme:

(1) In the traditional fire extinguishing device, once a container valve is opened, the container valve cannot be reset and can not realize repeated starting to intermittently control and release the fire extinguishing agent, two paths of different release channels are arranged through local small-range control and different requirements for releasing the fire extinguishing agent in a large range, and the driver is controlled to be on-off through the small channels to realize the local-range fire extinguishing agent release start-stop control;

(2) When traditional fire control starts, can discharge some fire extinguishing agent outside the system's pipeline, cause the medicament extravagant, this container valve is through the eccentric export of design, in reintroducing the export with the medicament when starting, avoid extravagant.

(3) When the fire detection pipe is installed, the inner lining is arranged in the fire detection pipe by means of external extrusion, so that the tightness and pressure resistance reliability are improved, and meanwhile, the installation is facilitated;

(4) The stepped locking nut structure is arranged, so that radial sealing is ensured before the fire detection pipe connecting piece is installed and the valve core is jacked up, and medicament leakage is avoided;

(5) The special-shaped sealing ring structure is designed at the thimble, so that the radial sealing is realized, and the sealing of the end surface thimble is also realized.

Drawings

Fig. 1 is a schematic cross-sectional view of a container valve in a first position.

Fig. 2 is a partial enlarged view of a in fig. 1.

Fig. 3 is a schematic structural view of the end cap.

Fig. 4 is a partial enlarged view of B in fig. 1.

Fig. 5 is a partial enlarged view of C in fig. 1.

FIG. 6 is a schematic cross-sectional view of the inflation connector in a second position of the container valve.

Fig. 7 is a sectional view of the position of the safety valve.

The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: wherein 10-valve body, 11-valve core, 12-end cover, 13-starter, 14-first sealing ring, 15-hose connector, 16-valve core, 17-fire detecting tube, 18-cap, 19-third sealing ring, 20-locking cap, 21-fourth sealing ring, 22-sealing washer, 23-inflation joint, 24-locking nut, 25-pressure gauge, 26-safety valve, 27-safety diaphragm, 200-gap

101-outlet, 102-lower chamber, 103-upper chamber, 104-relief channel, 105-connecting chamber, 106-connecting hole, 107-first seal groove, 108-interface, 109-inlet

111-through hole

121-large hole of step hole, 122-small hole of step hole

151-thimble, 152-vent, 153-conical cavity, 154-second seal groove, 155-flange

161-seat, 162-core, 163-elastic element, 164-second sealing ring

Detailed Description

The invention is described in further detail below with reference to figures 1-7 and examples.

Example 1

The container valve with emergency repeatable activation comprises a valve body 10, a valve core 11, an end cover 12 and an actuator 13, wherein the actuator 13 is a solenoid valve in the embodiment, and can be a motor actuator or a cylinder actuator in other embodiments. The valve body 10 is provided with an outlet 101 and an inlet 109, the outlet 101 being a port through which the extinguishing agent is output through the container valve. The valve body 10 is provided with a spool cavity which is transversely arranged and communicated with the outlet 101, the axis of the spool cavity is parallel or coincident with the axis of the outlet 101, and the axis of the spool cavity is parallel with the axis of the outlet 101 in the embodiment. The valve core 11 is installed in the valve core cavity and forms a lower cavity 102 with the end cover 12, the end cover 12 is in threaded connection with the valve body 10 and covers the valve core cavity, and an elastic element is installed between the valve core 11 and the end cover 12, and is a spring in the embodiment. The actuator 13 is arranged on the top of the valve body 10 in a threaded manner and forms an upper chamber 103 with the valve body, the upper chamber 103 is communicated with a lower chamber 102, a through hole 111 is formed in the valve core 11, an inlet 109 is communicated with the lower chamber 102 through the through hole 111, a pressure release channel 104 communicated with the outlet 101 is formed in the valve body 10, the other end of the pressure release channel 104 penetrates through the upper chamber 103, and the actuator 13 acts on the pressure release channel 104 and controls the opening or closing of a port of the pressure release channel 104.

Under normal conditions, the lower chamber 102 is in equilibrium with the inlet pressure of the valve body 10, the spool 11 does not move and the inlet and outlet 101 are blocked from communication. The magnetic rod of the actuator 13 is blocked at the port of the pressure relief channel 104, so that the upper chamber 103 is blocked from the outlet 101. When the starter 13 receives a starting signal, the driver 13 generates magnetic attraction after being electrified, the magnetic rod in the starter 13 is attracted upwards, the end part of the magnetic rod is separated from the port of the pressure relief channel 104, gas in the upper chamber 103 is output to the outlet 101 through the pressure relief channel 104, the pressure of the lower chamber 102 is reduced due to the fact that the lower chamber 102 is communicated with the upper chamber 103, the pressure difference is formed between the lower chamber 102 and the inlet 109 of the valve body 10, the valve core 11 is jacked up by air pressure, and therefore the inlet 109 is communicated with the outlet 101, and fire extinguishing agent is released. When the valve needs to be reset, the power supply of the starter 13 is directly disconnected, at the moment, the magnetic rod in the starter 13 is reset under the action of the first spring, the magnetic rod is resealed at the port of the pressure relief channel 104, the air pressure of the lower cavity 102 is supplemented through the through hole 111, the valve core 11 is reset, and the communication between the inlet 109 and the outlet 101 is cut off.

The valve body 10 is provided with a connecting cavity 105, the valve core cavity, the outlet 101 and the pressure relief channel 104 are all communicated with the connecting cavity 105, the outlet 101 and the valve core cavity are staggered in this embodiment, the pressure relief channel 104 is opposite to the outlet 101, and the pressure relief channel 103 can be directly input into the outlet 101 during pressure relief, so that interference cannot occur. The pressure release channel 104 comprises a vertical hole and a transverse hole, the upper end of the vertical hole penetrates through the upper cavity 102, the lower end of the vertical hole is communicated with the transverse hole, and the outer end of the transverse hole penetrates through the connecting cavity 105.

The left end of the valve core 11 and the inner wall of the lower chamber 102 form a gap 200, the gap 200 prevents the valve core 11 from blocking the connecting hole 106, the valve body 10 is provided with the connecting hole 106 for communicating the upper chamber 103 and the lower chamber 102, and the lower end of the connecting hole 106 is directly connected to the gap 200.

The end cover 12 is provided with a stepped hole communicated with the lower cavity 102, a hose connecting piece 15 is arranged on a large hole 121 of the stepped hole, a valve core 16 is arranged on a small hole 122 of the stepped hole, the valve core 16 is in threaded connection with the small hole 122 of the stepped hole, and a thimble 151 for pushing up the valve core 16 is arranged at the end part of the hose connecting piece 15.

The ejector pin 151 is integrally formed at the end of the hose connecting piece 15, the ejector pin 151 is arranged on the central axis of the hose connecting piece 15, and a plurality of vent holes 152 penetrating into the inner cavity of the hose connecting piece 15 are formed around the ejector pin 151.

The valve core 16 includes a seat body 161, a core body 162, an elastic element 163, and a second seal ring 164, the seat body 161 is screw-mounted on the end cap 12, and the second seal ring 164 is mounted at an end of the seat body 161; one end of the core 162 extends into the base 161, and the other end of the core is covered on the second sealing ring 164; one end of the elastic element 163 is supported on the seat 161, the other end of the elastic element 163 is supported on the core 162, the elastic element 163 is a pagoda-shaped spring, the ejector pin 151 is connected with the core 162 and pushes the core 162, when the ejector pin 151 pushes the core 162, the other end of the core 162 is separated from the second sealing ring 164, and the lower chamber 102 is communicated with the hose connecting piece 15.

The hose connecting piece 15 is provided with a fire detecting tube 17 and a cap 18, and the tail end of the fire detecting tube 17 is blocked. The port of the hose connection 15 is provided with a conical cavity 153, a third sealing ring 19 sleeved on the fire detection tube 17 is arranged in the conical cavity 153, the cap 18 is in threaded connection with the outer end of the hose connection 15 and presses the third sealing ring 19 in the conical cavity 153, and the third sealing ring 19 is used for locking the fire detection tube 17 on the hose connection 15 on one hand and sealing the fire detection tube 17 on the hose connection 15 on the other hand. When the emergency starting is carried out, the fire detection pipe 17 can be detonated through high temperature or machinery, at the moment, the air pressure in the lower chamber 102 is quickly released through the explosion opening of the fire detection pipe 17, the pressure difference is formed between the lower chamber 102 and the inlet 109, the valve core 11 opens the inlet 109 and the outlet 101, and the container valve is started.

The container valve further comprises a locking cap 20, a second sealing groove 154 is formed in the inner end side wall of the hose connecting piece 15, a fourth sealing ring 21 is installed on the second sealing groove 154, the hose connecting piece 15 is inserted into a large hole 121 of the stepped hole with the fourth sealing ring 21, a convex edge 155 protruding outwards is arranged on the outer wall of the hose connecting piece 15, and the locking cap 20 is in threaded connection with the end cover 12 and is pressed on the convex edge 155.

The valve body 10 is provided with an outwards-protruding interface 108, the valve core cavity penetrates through the interface 108, the inner bottom surface of the end cover 12 is provided with a third sealing groove, the third sealing groove is provided with a sealing gasket 22, and the end cover 12 is in sealing connection with the end surface of the interface 108 through the sealing gasket 22; the port of the end cover 12 is provided with a fourth sealing ring 21 which is in sealing connection with the outer wall of the interface 108, and the end cover 12 and the interface 108 form two seals, so that the tightness of the end cover 12 is improved.

The valve body 10 is provided with an inflation connector 23 and a lock nut 24, the lock nut 24 is in threaded connection with the valve body 10 and is pressed on the inflation connector 23, and when inflation is required, the lock nut 24 is unscrewed. The pressure gauge 25 for monitoring the pressure is arranged on the air charging connector 23, and when the lock nut 24 is unscrewed, the air charging connector 23 can be communicated with the interior of the container valve, so that the pressure gauge 25 detects the pressure in the container valve. The valve body 10 is provided with the safety valve 26 and the safety diaphragm 27, the safety valve 26 compresses the safety diaphragm 27 on the valve body 10, when the pressure of the container valve is larger than the set value of the safety diaphragm 27 during inflation, the safety diaphragm 27 is broken, and the gas in the bottle body is released from the safety valve 26.

Example 2

Embodiment 2 is basically the same as embodiment 1, except that a first seal groove 107 is provided on the inner wall of the valve lower chamber 102, the distance from the first seal groove 107 to the spool chamber port is larger than the distance from the connecting hole 106 to the spool chamber port, a first seal groove 1107 is provided inside the connecting hole 106, and a first seal ring 14 for sealing with the spool 11 is installed in the first seal groove 107.

Example 3

Embodiment 3 is substantially identical to embodiment 1 except that the hose connector 17 is threadedly coupled to the large bore 121 of the stepped bore of the end cap 12, and the hose connector 17 is not locked to the end cap 12 by the locking cap 20.

Claims (10)

1. The container valve with emergency repeatable starting comprises a valve body (10), a valve core (11), an end cover (12) and a starter (13), wherein an outlet (101) and an inlet (109) are arranged on the valve body (10), and a through hole (111) is arranged on the valve core (11); the method is characterized in that: the valve body (10) is provided with a valve core cavity which is transversely arranged and communicated with the outlet (101), and the axis of the valve core cavity is parallel or coincident with the axis of the outlet (101); the valve core (11) is arranged in the valve core cavity and forms a lower cavity (102) with the end cover (12), and the lower cavity (102) is communicated with the inlet (109) through a through hole (111); the actuator (13) is arranged at the top of the valve body (10) and forms an upper chamber (103) with the valve body, and the upper chamber (103) is communicated with the lower chamber (102); the valve body (10) is provided with a pressure relief channel (104) communicated with the outlet (101), the other end of the pressure relief channel (104) penetrates through the upper cavity (103), and the starter (13) acts on the pressure relief channel (104) and controls the opening or closing of the port of the pressure relief channel.

2. The container valve with emergency re-activatable as in claim 1, wherein: the valve body (10) is provided with a connecting cavity (105), and the valve core cavity, the outlet (101) and the pressure relief channel (104) are communicated with the connecting cavity (105).

3. The container valve with emergency re-activatable as in claim 1, wherein: a gap (200) is formed between the left end part of the valve core (11) and the inner wall of the lower chamber (102), a connecting hole (106) for communicating the upper chamber (103) with the lower chamber (102) is formed in the valve body (10), and the lower end of the connecting hole (106) is directly connected to the gap (200).

4. A container valve with emergency re-activatable as in claim 3, wherein: the inner wall of the valve lower chamber (102) is provided with a first sealing groove (107), the distance from the first sealing groove (107) to the valve core cavity port is larger than the distance from the connecting hole (106) to the valve core cavity port, and a first sealing ring (14) for sealing the valve core (11) is arranged in the first sealing groove (107).

5. The container valve with emergency re-activatable as in claim 1, wherein: the end cover (12) is provided with a stepped hole communicated with the lower cavity (102), a hose connecting piece (15) is arranged on a large hole (121) of the stepped hole, a valve core (16) is arranged on a small hole (122) of the stepped hole, and a thimble (151) for pushing up the valve core (16) is arranged at the end part of the hose connecting piece (15).

6. The container valve with emergency re-activatable as in claim 5, wherein: the ejector pin (151) is integrally formed at the end part of the hose connecting piece (15), and a plurality of vent holes (152) penetrating into the inner cavity of the hose connecting piece (15) are formed around the ejector pin (151).

7. The container valve with emergency re-activatable as in claim 5, wherein: the valve core (16) comprises a base body (161), a core body (162), an elastic element (163) and a second sealing ring (164), wherein the base body (161) is arranged on the end cover (12) in a threaded manner, and the second sealing ring (164) is arranged at the end part of the base body (161); one end of the core body (162) extends into the base body (161), and the other end of the core body is covered on the second sealing ring (164); one end of the elastic element (163) is supported on the seat body (161), the other end of the elastic element is supported on the core body (162), and the ejector pin (151) is connected with the core body (162) and pushes the core body (162) open.

8. The container valve with emergency re-activatable as in claim 5, wherein: the fire detection pipe (17) and the cap (18) are arranged on the hose connecting piece (15), a conical cavity (153) is arranged at the port of the hose connecting piece (15), a third sealing ring (19) sleeved on the fire detection pipe (17) is arranged in the conical cavity (153), and the cap (18) is in threaded connection with the outer end part of the hose connecting piece (15) and compresses the third sealing ring (19) in the conical cavity (153).

9. The container valve with emergency re-activatable as in claim 5, wherein: still include locking cap (20), be equipped with second seal groove (154) on hose connector (15) inner lateral wall, install fourth sealing washer (21) on second seal groove (154), hose connector (15) are carried fourth sealing washer (21) and are inserted in the macropore (121) of shoulder hole, the outer wall of hose connector (15) is equipped with outside bellied protruding edge (155), locking cap (20) and end cover (12) threaded connection and compress tightly on protruding edge (155).

10. The container valve with emergency re-activatable as in claim 1, wherein: an outwards-protruding connector (108) is arranged on the valve body (10), the valve core cavity penetrates through the connector (108), a third sealing groove is formed in the inner bottom surface of the end cover (12), a sealing gasket (22) is arranged on the third sealing groove, and the end cover (12) is in sealing connection with the end face of the connector (108) through the sealing gasket (22); a fourth sealing ring (21) which is connected with the outer wall of the interface (108) in a sealing way is arranged at the port of the end cover (12).