CN204025715U - The extinguisher valve that extinguishing agent can not leak from sealing block and closed chamber wall joint - Google Patents
The extinguisher valve that extinguishing agent can not leak from sealing block and closed chamber wall joint Download PDFInfo
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- CN204025715U CN204025715U CN201420471758.9U CN201420471758U CN204025715U CN 204025715 U CN204025715 U CN 204025715U CN 201420471758 U CN201420471758 U CN 201420471758U CN 204025715 U CN204025715 U CN 204025715U
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- sealing block
- chamber wall
- extinguishing agent
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Abstract
The utility model discloses the extinguisher valve that extinguishing agent can not leak from sealing block and closed chamber wall joint, belong to the art field that fires fighting apparatus, the extinguishing agent of this extinguisher valve can not let out from sealing block and closed chamber wall joint.Comprise the cylindrical shell of fire extinguisher and be connected to valve body on cylindrical shell and be connected to the hose assembly on valve body, also comprise screw, spring seat is provided with several screw holes, the outer surface of spring seat is provided with outside thread, the outer surface of spring seat is also provided with vertical plane straight down, lower valve chamber inwall is provided with the internal thread mated with outside thread, spring seat screws and is connected on the lower valve chamber of valve body, and is connected to the vertical plane of spring seat from screw hole through rear screw front end pressed with screw; The lower surface of sealing block is provided with downward loop bar, loop bar is arranged with some pads, the upper end cover of spring is connected on loop bar, and the upper end of spring is fixedly connected on a undermost pad.
Description
Technical field
The utility model relates to the technical field that fires fighting apparatus, and particularly relates to the extinguisher valve that extinguishing agent can not leak from sealing block and closed chamber wall joint.
Background technique
Existing fire extinguisher is substituted the bad for the good after extinguishing agent and is not put the situation that pressure is inadequate that how long just occurs, tracing it to its cause is mostly caused by the extinguishing agent in cylinder body of fire extinguisher leaks.If extinguishing agent leak fast, not only adding users buys the expense of extinguishing agent, also may cause occurring when putting out a fire the little and using effect of impact fire extinguishing of extinguishing agent that pressure ejects not.Therefore, provide a kind of structure simple, and the good extinguisher valve of seal seem very necessary.For portable fire extinguisher, the main place that the extinguishing agent in cylinder lumen may leak is sealing block and closed chamber wall joint.
Model utility content
The utility model there is extinguishing agent easily from the deficiency that sealing block and closed chamber wall joint leak away to solve existing extinguisher valve, the extinguisher valve that a kind of extinguishing agent can not leak from sealing block and closed chamber wall joint is provided, this extinguisher valve door is simple, have adjustability, extinguishing agent can not let out from sealing block and closed chamber wall joint.
To achieve these goals, the utility model is by the following technical solutions:
The extinguisher valve that extinguishing agent can not leak from sealing block and closed chamber wall joint, comprise valve body and be connected to the hose assembly on valve body, the vertical valve pocket of valve body is made up of lower valve chamber, middle valve pocket and uuper valve chamber from top to bottom successively, and lower valve chamber diameter is greater than middle valve pocket diameter, middle valve pocket diameter is greater than uuper valve chamber diameter, and in lower valve chamber and middle valve pocket joint, valve pocket is provided with closed chamber wall; In the valve pocket of valve body, lower end is fixedly connected with spring seat, valve rod is provided with in the vertical valve pocket of valve body, the sealing block mated with the closed chamber wall on middle valve pocket is provided with in lower valve chamber, sealing block is fixedly connected on the lower end of valve rod, the upper end of one spring is connected on the lower surface of sealing block, the lower end of spring is connected on spring seat, and sealing block under spring force effect can airtight be adjacent to be connected in valve pocket closed chamber wall on; Be fixedly connected with carrying handle in the upper end of valve body, be connected with pressure handle at carrying handle upper hinge, and pressure handle moves down by additional pressure energy actuate valve stem; Also comprise screw, spring seat is provided with several screw holes, the outer surface of spring seat is provided with outside thread, the outer surface of spring seat is also provided with vertical plane straight down, lower valve chamber inwall is provided with the internal thread mated with outside thread, spring seat screws and is connected on the lower valve chamber of valve body, and is connected to the vertical plane of spring seat from screw hole through rear screw front end pressed with screw; The lower surface of sealing block is provided with downward loop bar, loop bar is arranged with some pads, the upper end cover of spring is connected on loop bar, and the upper end of spring is fixedly connected on a undermost pad.
The another place that extinguishing agent in cylinder lumen may leak is the joint of sealing block and closed chamber wall.For the joint of sealing block and closed chamber wall, to increase the mode of extruding to ensure the precision that sealing block is combined with closed chamber wall after this programme adopts spring seat can up revolve height, if there is the situation of leaking extinguishing agent, user is before filling extinguishing agent, first spring seat is up revolved height, make spring seat arrive the Distance Shortened of closed chamber wall, thus increase the extruding force of spring, so also just make sealing block be combined with closed chamber wall tighter.By the active adjustment of user, can ensure that extinguishing agent can not let out from the joint of sealing block and closed chamber wall.Therefore, this programme not only structure is simple, and good leak tightness, extinguishing agent not easily leaks, and also achieve adjustable, practicability is high.Because spring steeps for a long time in extinguishing agent, spring have been grown and to have there will be DE difference service time.After the DE of spring is deteriorated, only has the length shortening spring, could meet spring has enough extruding forces to pass to sealing block, ensures the precision that sealing block is combined with closed chamber wall, and then ensures that extinguishing agent can not let out from the joint of sealing block and closed chamber wall.
As preferably, be connected with the airtight circle of downward rubber in closed chamber wall upper end, and when sealing block and closed chamber wall close contact, under the airtight circle of rubber, end in contact is airtight is connected on the upper surface of sealing block.When the airtight circle of rubber is attached to sealing block, just the sealer on sealing block or closed chamber wall is hedged off from the outer world, thus it is aging that the sealer of sealing block or closed chamber wall is reduced, extend the working life of extinguisher valve.
As preferably, on the lower end surface of the airtight circle of rubber, be provided with some flexible annular tooth rings along the airtight circle of rubber.The flexible close downforce of the airtight circle of rubber to sealing block that not only make of annular tooth ring is less, but also effectively can also ensure the seal of the airtight circle of rubber and sealing block, thus it is aging to make the sealer of sealing block or closed chamber wall reduce, and greatly extends the working life of extinguisher valve.
As preferably, the outer surface of valve body is provided with and is linked to be in horizontal pressure ring integrally with valve body; Airtightly on horizontal pressure ring lower surface be connected with internal layer rubber seal, horizontal pressure ring lower surface in internal layer rubber seal is provided with and is linked to be in metal o-ring integrally with horizontal pressure ring, the horizontal pressure ring of internal layer rubber seal outside is connected with outer layer rubber seal ring; And the height of internal layer rubber seal is higher than the height of metal o-ring; Horizontal pressure ring is arranged with annular gland.Be that lower surface is provided with some sealing fluid grooves along metal o-ring at metal o-ring, in sealing fluid groove, be provided with sealing glue.In this programme, outer layer rubber seal ring can not only play the effect of sealing, more can play the effect of protection internal layer rubber seal, can prevent internal layer rubber seal from contacting the air of outside and occurring aging.The effect of metal o-ring is exactly the contact reducing extinguishing agent and internal layer rubber seal, thus reduce extinguishing agent to the corrosion of internal layer rubber seal, prevent internal layer rubber seal from occurring breakage because of contact, fully ensure seal, and greatly improve the working life of internal layer rubber seal.Another main place that extinguishing agent in cylinder lumen may leak is cartridge openings and valve body joint.After this programme is contained in valve body the cylindrical shell of fire extinguisher by annular gland, extinguishing agent would not let out from cartridge openings and valve body joint.This programme arranges internal layer rubber seal and metal o-ring to ensure seal on the horizontal pressure ring lower surface of cartridge openings and valve body joint.First annular gland can be pressed on interior rubber seal closely on the opening edge edge of cylindrical shell in the process rotated, when the also tight opening edge being pressed in cylindrical shell of metal o-ring is along time upper, illustrate that valve body is tight cartridge openings and valve body joint have been sealed, ensure that extinguishing agent can not let out from cartridge openings and valve body joint.Outer layer rubber seal ring can not only play the effect of sealing, more can play the effect of protection internal layer rubber seal, can prevent internal layer rubber seal from contacting the air of outside and occurring aging.The effect of metal o-ring is exactly the contact reducing extinguishing agent and internal layer rubber seal, thus reduce extinguishing agent to the corrosion of internal layer rubber seal, prevent internal layer rubber seal from occurring breakage because of contact, fully ensure seal, and greatly improve the working life of internal layer rubber seal.After this programme is contained in valve body the cylindrical shell of fire extinguisher by annular gland, extinguishing agent would not let out from cartridge openings and valve body joint.After installing extinguishing agent, time on opening valve body being arranged on cylindrical shell, sealing glue is spread upon in sealing fluid groove, after such installation, the seal of cartridge openings and valve body joint can be ensured completely, ensure that extinguishing agent can not let out from cartridge openings and valve body joint, good airproof performance.Sealing glue can not flow in cylindrical shell, and sealing glue liquid can not flow to internal layer rubber seal place, makes the seal of cartridge openings and valve body joint better.
As preferably, the fold chamber that diameter is greater than uuper valve chamber diameter is provided with in the lower end of uuper valve chamber, valve rod is arranged with a fold expansion corrugated pipe, the upper end of fold expansion corrugated pipe is fixed and is airtightly linked on the epicoele wall in fold chamber, the lower end of fold expansion corrugated pipe is fixed and is airtightly linked on the outer surface of valve rod, and valve body is provided with the air guide through hole that valve outer surface communicates with the inner chamber of fold expansion corrugated pipe; Uuper valve chamber inwall is provided with guiding groove straight down, valve rod is provided with the guide rail preventing valve rod from rotating mated with guiding groove; The height in fold chamber is greater than the maximum length of stroke that valve rod moves down, and when valve rod is moved down into maximum length of stroke, the bottom of fold expansion corrugated pipe is also in fold chamber.In this programme, fold expansion corrugated pipe is uuper valve chamber upper end-hole and middle valve pocket is airtight separates.Because the inner chamber of fold expansion corrugated pipe communicates with the external world, when user by pressure handle pressure valve rod toward press down time, fold expansion corrugated pipe is elongated under valve rod drives, simultaneously extraneous air enters into the inner chamber of fold expansion corrugated pipe from air guide through hole, ensure that fold expansion corrugated pipe can be elongated smoothly.Because uuper valve chamber has the airtight barrier effect of fold expansion corrugated pipe, the extinguishing agent when using fire fighting with fire extinguisher can not be sprayed from the upper end-hole of uuper valve chamber, namely extinguishing agent can not from the valve rod edge ejection below pressure handle in use, thus reducing extinguishing agent to the injury of user, Security is higher.Guide rail coordinates with guiding groove, and valve rod can not be rotated, and valve rod can only move up and down, and this ensure that fold expansion corrugated pipe can not be distorted and be damaged, and then ensures the working life of fold expansion corrugated pipe.When valve rod is moved down into maximum length of stroke, the bottom of fold expansion corrugated pipe is also in fold chamber, this structure makes extinguishing agent can not be subject to the stop of fold expansion corrugated pipe at middle valve pocket, both ensure that extinguishing agent sprayed smoothly, also reduce the impact force of swiftly flowing extinguishing agent to fold expansion corrugated pipe, and then greatly can extend the working life of fold expansion corrugated pipe.
The utility model can reach following effect:
1, the utility model extinguisher valve door is simple, and have adjustability, extinguishing agent can not let out from sealing block and closed chamber wall joint.
2, extinguisher valve of the present utility model has the airtight barrier effect of fold expansion corrugated pipe due to uuper valve chamber, the extinguishing agent when using fire fighting with fire extinguisher can not be sprayed from the upper end-hole of uuper valve chamber, namely extinguishing agent can not from the valve rod edge ejection below pressure handle in use, thus reducing extinguishing agent to the injury of user, Security is higher.
3, the utility model good leak tightness, extinguishing agent not easily leaks, adjustable, and practicability is high.The precision that sealing block is combined with closed chamber wall can not only be ensured, can also ensure that extinguishing agent can not let out from the joint of sealing block and closed chamber wall.
4, the utility model structure is simple, good reliability, uses simple.
5, the utility model guide rail coordinates with guiding groove, and valve rod can not be rotated, and valve rod can only move up and down, and this ensure that fold expansion corrugated pipe can not be distorted and be damaged, and then ensures the working life of fold expansion corrugated pipe.
Accompanying drawing explanation
Fig. 1 is a kind of Integral connection structure schematic diagram of the present utility model.
Fig. 2 is a kind of tangent plane linkage structure schematic diagram of the utility model valve body.
Fig. 3 be fold chamber in Fig. 2 valve body uuper valve chamber, fold expansion corrugated pipe, air guide through hole, guiding groove and guide rail a kind of partial enlargement tangent plane linkage structure schematic diagram.
In figure: cylindrical shell 1, valve body 2, hose assembly 3, vertical valve pocket 4, lower valve chamber 5, middle valve pocket 6, uuper valve chamber 7, spring seat 8, horizontal pressure ring 9, valve rod 10, sealing block 11, spring 12, carrying handle 13, pressure handle 14, internal layer rubber seal 15, metal o-ring 16, annular gland 17, screw 18, screw hole 19, loop bar 20, pad 21, outer layer rubber seal ring 22, hinge 23, closed chamber wall 24, fold chamber 25, fold expansion corrugated pipe 26, air guide through hole 27, guiding groove 28, guide rail 29.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the extinguisher valve that extinguishing agent can not leak from sealing block and closed chamber wall joint, shown in Fig. 1, Fig. 2, Fig. 3, the cylindrical shell 1 comprising fire extinguisher and the hose assembly 3 being connected to valve body on cylindrical shell 2 and being connected on valve body, the vertical valve pocket 4 of valve body is made up of lower valve chamber 5, middle valve pocket 6 and uuper valve chamber 7 from top to bottom successively, and lower valve chamber diameter is greater than middle valve pocket diameter, middle valve pocket diameter is greater than uuper valve chamber diameter, and in lower valve chamber and middle valve pocket joint, valve pocket is provided with closed chamber wall 24.In the valve pocket of valve body, lower end is fixedly connected with spring seat 8, valve rod 10 is provided with in the vertical valve pocket of valve body, the sealing block 11 mated with the closed chamber wall on middle valve pocket is provided with in lower valve chamber, sealing block is fixedly connected on the lower end of valve rod, the upper end of one spring 12 is connected on the lower surface of sealing block, the lower end of spring is connected on spring seat, and sealing block under spring force effect can airtight be adjacent to be connected in valve pocket closed chamber wall on.Be fixedly connected with carrying handle 13 in the upper end of valve body, be connected with pressure handle 14 at carrying handle upper hinge 23, and pressure handle moves down by additional pressure energy actuate valve stem.The outer surface of valve body is provided with and is linked to be in horizontal pressure ring 9 integrally with valve body; Airtightly on horizontal pressure ring lower surface be connected with internal layer rubber seal 15, horizontal pressure ring lower surface in internal layer rubber seal is provided with and is linked to be in metal o-ring 16 integrally with horizontal pressure ring, the lower surface of metal o-ring is provided with some sealing fluid grooves (not drawing in figure) along metal o-ring, in sealing fluid groove, is provided with sealing glue.The horizontal pressure ring of internal layer rubber seal outside is connected with outer layer rubber seal ring 22; And the height of internal layer rubber seal is higher than the height of metal o-ring; The opening edge edge of cylindrical shell is provided with the annulus sealed groove (not drawing in figure) mated with metal o-ring.Horizontal pressure ring is arranged with annular gland 17, and metal o-ring, internal layer rubber seal and outer layer rubber seal ring are closely pressed in the opening edge of cylindrical shell respectively along upper, annular gland screw be connected to cartridge openings outside cylindrical shell on.
Also comprise screw 18, spring seat is provided with several screw holes 19, the outer surface of spring seat is provided with outside thread, the outer surface of spring seat is also provided with vertical plane straight down, lower valve chamber inwall is provided with the internal thread mated with outside thread, spring seat screws and is connected on the lower valve chamber of valve body, and is connected to the vertical plane of spring seat from screw hole through rear screw front end pressed with screw; The lower surface of sealing block is provided with downward loop bar 20, loop bar is arranged with some pads 21, the upper end cover of spring is connected on loop bar, and the upper end of spring is fixedly connected on a undermost pad.
The fold chamber 25 that diameter is greater than uuper valve chamber diameter is provided with in the lower end of uuper valve chamber, valve rod is arranged with a fold expansion corrugated pipe 26, the upper end of fold expansion corrugated pipe is fixed and is airtightly linked on the epicoele wall in fold chamber, the lower end of fold expansion corrugated pipe is fixed and is airtightly linked on the outer surface of valve rod, and valve body is provided with the air guide through hole 27 that valve outer surface communicates with the inner chamber of fold expansion corrugated pipe; Uuper valve chamber inwall is provided with guiding groove 28 straight down, valve rod is provided with the guide rail 29 preventing valve rod from rotating mated with guiding groove; The height in fold chamber is greater than the maximum length of stroke that valve rod moves down, and when valve rod is moved down into maximum length of stroke, the bottom of fold expansion corrugated pipe is also in fold chamber.
Be connected with the airtight circle of downward rubber (not shown in FIG.) in closed chamber wall upper end, and when sealing block and closed chamber wall close contact, under the airtight circle of rubber, end in contact is airtight is connected on the upper surface of sealing block.On the lower end surface of the airtight circle of rubber, some flexible annular tooth rings (not shown in FIG.) are provided with along the airtight circle of rubber.When the airtight circle of rubber is attached to sealing block, just the sealer on sealing block or closed chamber wall is hedged off from the outer world, thus it is aging that the sealer of sealing block or closed chamber wall is reduced, extend the working life of extinguisher valve.The flexible close downforce of the airtight circle of rubber to sealing block that not only make of annular tooth ring is less, but also effectively can also ensure the seal of the airtight circle of rubber and sealing block, thus it is aging to make the sealer of sealing block or closed chamber wall reduce, and greatly extends the working life of extinguisher valve.
The place one that extinguishing agent in cylinder lumen may leak is cartridge openings and valve body joint, and two is joints of sealing block and closed chamber wall.For cartridge openings and valve body joint, this programme arranges internal layer rubber seal and metal o-ring to ensure seal on the horizontal pressure ring lower surface of cartridge openings and valve body joint.First annular gland can be pressed on interior rubber seal closely on the opening edge edge of cylindrical shell in the process rotated, when the also tight opening edge being pressed in cylindrical shell of metal o-ring is along time upper, illustrate that valve body is tight cartridge openings and valve body joint have been sealed, ensure that extinguishing agent can not let out from cartridge openings and valve body joint.Outer layer rubber seal ring can not only play the effect of sealing, more can play the effect of protection internal layer rubber seal, can prevent internal layer rubber seal from contacting the air of outside and occurring aging.The effect of metal o-ring is exactly the contact reducing extinguishing agent and internal layer rubber seal, thus reduce extinguishing agent to the corrosion of internal layer rubber seal, prevent internal layer rubber seal from occurring breakage because of contact, fully ensure seal, and greatly improve the working life of internal layer rubber seal.After this programme is contained in valve body the cylindrical shell of fire extinguisher by annular gland, extinguishing agent is just sealed in the inner chamber of cylindrical shell by tight.
Two is joints of sealing block and closed chamber wall.For the joint of sealing block and closed chamber wall, to increase the mode of extruding to ensure the precision that sealing block is combined with closed chamber wall after this programme adopts spring seat can up revolve height, if there is the situation of leaking extinguishing agent, user is before filling extinguishing agent, first spring seat is up revolved height, make spring seat arrive the Distance Shortened of closed chamber wall, thus increase the extruding force of spring, so also just make sealing block be combined with closed chamber wall tighter.By the active adjustment of user, can ensure that extinguishing agent can not let out from the joint of sealing block and closed chamber wall.Therefore, this programme not only structure is simple, and good leak tightness, extinguishing agent not easily leaks, and also achieve adjustable, practicability is high.Because spring steeps for a long time in extinguishing agent, spring have been grown and to have there will be DE difference service time.After the DE of spring is deteriorated, only has the length shortening spring, could meet spring has enough extruding forces to pass to sealing block, ensures the precision that sealing block is combined with closed chamber wall, and then ensures that extinguishing agent can not let out from the joint of sealing block and closed chamber wall.
By fold expansion corrugated pipe uuper valve chamber upper end-hole and middle valve pocket is airtight separates.Because the inner chamber of fold expansion corrugated pipe communicates with the external world, when user by pressure handle pressure valve rod toward press down time, fold expansion corrugated pipe is elongated under valve rod drives, simultaneously extraneous air enters into the inner chamber of fold expansion corrugated pipe from air guide through hole, ensure that fold expansion corrugated pipe can be elongated smoothly.Because uuper valve chamber has the airtight barrier effect of fold expansion corrugated pipe, the extinguishing agent when using fire fighting with fire extinguisher can not be sprayed from the upper end-hole of uuper valve chamber, namely extinguishing agent from the valve rod edge ejection below pressure handle, thus can not reduce extinguishing agent to the injury of user in use.This example coordinates with guiding groove by guide rail, and valve rod can not be rotated, and valve rod can only move up and down, and this ensure that fold expansion corrugated pipe can not be distorted and be damaged, and then ensures the working life of fold expansion corrugated pipe, and Security is higher.
Describe mode of execution of the present utility model by reference to the accompanying drawings above, but do not limit by above-described embodiment when realizing, those of ordinary skill in the art can make a variety of changes within the scope of the appended claims or revise.
Claims (5)
1. the extinguishing agent extinguisher valve that can not leak from sealing block and closed chamber wall joint, comprise valve body (2) and be connected to the hose assembly (3) on valve body, it is characterized in that, the vertical valve pocket (4) of valve body is made up of lower valve chamber (5), middle valve pocket (6) and uuper valve chamber (7) from top to bottom successively, and lower valve chamber diameter is greater than middle valve pocket diameter, middle valve pocket diameter is greater than uuper valve chamber diameter, and in lower valve chamber and middle valve pocket joint, valve pocket is provided with closed chamber wall (24);
In the valve pocket of valve body, lower end is fixedly connected with spring seat (8), valve rod (10) is provided with in the vertical valve pocket of valve body, the sealing block (11) mated with the closed chamber wall on middle valve pocket is provided with in lower valve chamber, sealing block is fixedly connected on the lower end of valve rod, the upper end of one spring (12) is connected on the lower surface of sealing block, the lower end of spring is connected on spring seat, and sealing block under spring force effect can airtight be adjacent to be connected in valve pocket closed chamber wall on;
Be fixedly connected with carrying handle (13) in the upper end of valve body, be connected with pressure handle (14) at carrying handle upper hinge (23), and pressure handle moves down by additional pressure energy actuate valve stem;
Also comprise screw (18), spring seat is provided with several screw holes (19), the outer surface of spring seat is provided with outside thread, the outer surface of spring seat is also provided with vertical plane straight down, lower valve chamber inwall is provided with the internal thread mated with outside thread, spring seat screws and is connected on the lower valve chamber of valve body, and is connected to the vertical plane of spring seat from screw hole through rear screw front end pressed with screw; The lower surface of sealing block is provided with downward loop bar (20), loop bar is arranged with some pads (21), the upper end cover of spring is connected on loop bar, and the upper end of spring is fixedly connected on a undermost pad.
2. the extinguishing agent according to claim 1 extinguisher valve that can not leak from sealing block and closed chamber wall joint, it is characterized in that, the airtight circle of downward rubber is connected with in closed chamber wall upper end, and when sealing block and closed chamber wall close contact, under the airtight circle of rubber, end in contact is airtight is connected on the upper surface of sealing block.
3. the extinguishing agent according to claim 2 extinguisher valve that can not leak from sealing block and closed chamber wall joint, is characterized in that, is provided with some flexible annular tooth rings along the airtight circle of rubber on the lower end surface of the airtight circle of rubber.
4. the extinguishing agent according to claim 1 extinguisher valve that can not leak from sealing block and closed chamber wall joint, is characterized in that, the outer surface of valve body is provided with the horizontal pressure ring (9) be linked to be with valve body in one; Airtightly on horizontal pressure ring lower surface be connected with internal layer rubber seal (15), horizontal pressure ring lower surface in internal layer rubber seal is provided with and is linked to be in metal o-ring (16) integrally with horizontal pressure ring, the horizontal pressure ring of internal layer rubber seal outside is connected with outer layer rubber seal ring (22); And the height of internal layer rubber seal is higher than the height of metal o-ring; Horizontal pressure ring is arranged with annular gland (17); The lower surface of metal o-ring is provided with some sealing fluid grooves along metal o-ring, in sealing fluid groove, is provided with sealing glue.
5. the extinguishing agent according to claim 1 extinguisher valve that can not leak from sealing block and closed chamber wall joint, it is characterized in that, the fold chamber (25) that diameter is greater than uuper valve chamber diameter is provided with in the lower end of uuper valve chamber, valve rod is arranged with a fold expansion corrugated pipe (26), the upper end of fold expansion corrugated pipe is fixed and is airtightly linked on the epicoele wall in fold chamber, the lower end of fold expansion corrugated pipe is fixed and is airtightly linked on the outer surface of valve rod, valve body is provided with the air guide through hole (27) that valve outer surface communicates with the inner chamber of fold expansion corrugated pipe, uuper valve chamber inwall is provided with guiding groove (28) straight down, valve rod is provided with the guide rail (29) preventing valve rod from rotating mated with guiding groove, the height in fold chamber is greater than the maximum length of stroke that valve rod moves down, and when valve rod is moved down into maximum length of stroke, the bottom of fold expansion corrugated pipe is also in fold chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471758.9U CN204025715U (en) | 2014-08-20 | 2014-08-20 | The extinguisher valve that extinguishing agent can not leak from sealing block and closed chamber wall joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471758.9U CN204025715U (en) | 2014-08-20 | 2014-08-20 | The extinguisher valve that extinguishing agent can not leak from sealing block and closed chamber wall joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204025715U true CN204025715U (en) | 2014-12-17 |
Family
ID=52065583
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420471758.9U Expired - Fee Related CN204025715U (en) | 2014-08-20 | 2014-08-20 | The extinguisher valve that extinguishing agent can not leak from sealing block and closed chamber wall joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204025715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115591164A (en) * | 2022-10-09 | 2023-01-13 | 宁波天博防火设备有限公司（Cn） | Portable fire extinguisher |
-
2014
- 2014-08-20 CN CN201420471758.9U patent/CN204025715U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115591164A (en) * | 2022-10-09 | 2023-01-13 | 宁波天博防火设备有限公司（Cn） | Portable fire extinguisher |
| CN115591164B (en) * | 2022-10-09 | 2023-11-28 | 宁波天博防火设备有限公司 | Portable fire extinguisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20170820 |