CN204017219U - A kind of fire extinguisher - Google Patents
A kind of fire extinguisher Download PDFInfo
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- CN204017219U CN204017219U CN201420471327.2U CN201420471327U CN204017219U CN 204017219 U CN204017219 U CN 204017219U CN 201420471327 U CN201420471327 U CN 201420471327U CN 204017219 U CN204017219 U CN 204017219U
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Abstract
The utility model discloses a kind of fire extinguisher, belong to the art field that fires fighting apparatus, be intended to provide a kind of structure simple, easy to use, good leak tightness, is easy to supplementary extinguishing chemical, pressure adjustable saves, extinguishing chemical can not be let out from cartridge openings and valve body junction, extinguishing chemical can not be let out from sealing block and closed chamber wall junction, allow extinguishing chemical from valve rod edge ejection below pressure handle, a kind of fire extinguisher filling extinguishing chemical and placement can not be convenient to.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, in the valve pocket of valve body, lower end is fixedly connected with spring base, is provided with valve rod, the outer surface of valve body is provided with horizontal pressure ring in the vertical valve pocket of valve body; Airtightly on horizontal pressure ring lower surface be connected with internal layer rubber seal, erect plate outer surface arranged occlusal splint up and down that be engaged about being installed with two width, erect plate is provided with hanger installing hole, occlusal splint is provided with belt fastener.
Description
Technical field
The utility model relates to the technical field that fires fighting apparatus, and particularly relates to a kind of fire extinguisher.
Background technology
Existing fire extinguisher is substituted the bad for the good after extinguishing chemical 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 chemical in cylinder body of fire extinguisher leaks.If extinguishing chemical leak fast, not only adding users buys the expense of extinguishing chemical, also may cause occurring when putting out a fire the little and result of use of impact fire extinguishing of extinguishing chemical that pressure ejects not.
Existing fire extinguisher is not easily placed, and during use, extinguishing chemical is sometimes from the valve rod edge ejection below pressure handle, hurts people.Therefore, provide a kind of structure simple, easy to use, and seal is good, the fire extinguisher being easy to supplementary extinguishing chemical seems very necessary.
Utility model content
The utility model there is extinguishing chemical easily from the deficiency that cartridge openings and valve body junction leak away to solve existing fire extinguisher, there is provided a kind of structure simple, easy to use, good leak tightness, be easy to supplementary extinguishing chemical, pressure adjustable saves, extinguishing chemical can not be let out from cartridge openings and valve body junction, extinguishing chemical can not be let out from sealing block and closed chamber wall junction, allow extinguishing chemical from valve rod edge ejection below pressure handle, a kind of fire extinguisher filling extinguishing chemical and placing fire extinguisher can not be convenient to.
To achieve these goals, the utility model is by the following technical solutions:
A kind of fire extinguisher, 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, 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 junction, valve pocket is provided with closed chamber wall; In the valve pocket of valve body, lower end is fixedly connected with spring base, 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 base, 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; 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 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 sealing 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, and metal o-ring, internal layer rubber seal and outer layer rubber sealing 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; 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; The opening edge edge of cylindrical shell is provided with the annulus sealed groove mated with metal o-ring; 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 gathering sill straight down, valve rod is provided with the guide rail preventing valve rod from rotating mated with gathering sill; 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; Valve body is provided with and communicates with the inner chamber of cylindrical shell and the adjustable release assembly of release pressure; Release assembly comprises release pressure adjustable cap and is arranged on the release through hole communicated with the inner chamber of cylindrical shell on valve body, release through hole comprises sector hole and the outer sector hole of release in release, and the diameter discharging outer sector hole is greater than the diameter of sector hole in release, release pressure adjustable cap rotational fastener is connected in the outer sector hole of release, in the outer sector hole of release, be provided with release sprue, between release pressure adjustable cap and release sprue, be provided with spring; Valve body is also provided with communicate with the inner chamber of cylindrical shell fill material assembly, and fill material assembly in be provided with screen pack; Fill material assembly comprise be arranged on valve body communicate with the inner chamber of cylindrical shell fill material through hole, be provided with unidirectional gaseous core charging nozzle filling in material through hole, be provided with gaseous core cap filling on material through hole outer end opening; Also comprise erect plate, be fixed with supporting plate outwardly at the lower horizontal of erect plate, be provided with pulling hole straight down on erect plate top, in pulling hole, be provided with the sliding bar slided up and down, and sliding bar upper end is provided with the hold-down segment of outwards bending; Erect plate is provided with the locking hole communicated with pulling hole, in locking hole, is provided with the locker locking sliding bar; Erect plate outer surface is arranged occlusal splint up and down that be engaged about being installed with two width, erect plate is provided with hanger installing hole, occlusal splint is provided with belt fastener.
As long as this programme the output interface of the machine filling extinguishing chemical be connected to fill material assembly interface on, added by this fire extinguisher, the pressure size adjustment of extinguishing chemical discharges well the release pressure of assembly.Then open the machine filling extinguishing chemical and carry out being filled with of extinguishing chemical.Namely represent when seeing and substituted the bad for the good after release assembly has extinguishing chemical out.This programme uses simple, and fill material convenient, release pressure is adjustable, good leak tightness, and without the need to taking off hose assembly, just to carry out extinguishing chemical to fire extinguisher supplementary.
In this programme, outer layer rubber sealing 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 chemical and internal layer rubber seal, thus reduce extinguishing chemical 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 service life of internal layer rubber seal.Another main place that extinguishing chemical in cylinder lumen may leak is cartridge openings and valve body junction.After this programme is contained in valve body the cylindrical shell of fire extinguisher by annular gland, extinguishing chemical would not let out from cartridge openings and valve body junction.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 junction.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 junction have been sealed, ensure that extinguishing chemical can not let out from cartridge openings and valve body junction.Outer layer rubber sealing 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 chemical and internal layer rubber seal, thus reduce extinguishing chemical 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 service life of internal layer rubber seal.After this programme is contained in valve body the cylindrical shell of fire extinguisher by annular gland, extinguishing chemical would not let out from cartridge openings and valve body junction.After installing extinguishing chemical, 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 junction can be ensured completely, ensure that extinguishing chemical can not let out from cartridge openings and valve body junction, 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 junction better.
In this programme, fold expansion corrugated pipe is uuper valve chamber upper port 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 chemical when using fire fighting with fire extinguisher can not be sprayed from the upper port of uuper valve chamber, namely extinguishing chemical can not from the valve rod edge ejection below pressure handle in use, thus reducing extinguishing chemical to the injury of user, security is higher.Guide rail coordinates with gathering sill, 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 service 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 chemical can not be subject to the stop of fold expansion corrugated pipe at middle valve pocket, both ensure that extinguishing chemical sprayed smoothly, also reduce the impulsive force of swiftly flowing extinguishing chemical to fold expansion corrugated pipe, and then greatly can extend the service life of fold expansion corrugated pipe.
The another place that extinguishing chemical in cylinder lumen may leak is the junction of sealing block and closed chamber wall.For the junction 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 base can up revolve height, if there is the situation of leaking extinguishing chemical, user is before filling extinguishing chemical, first spring base is up revolved height, make spring base 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 chemical can not let out from the junction of sealing block and closed chamber wall.Therefore, this programme not only structure is simple, and good leak tightness, extinguishing chemical not easily leaks, and also achieve adjustable, practicality is high.Because spring steeps for a long time in extinguishing chemical, 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 chemical can not let out from the junction of sealing block and closed chamber wall.This programme can not let out from cartridge openings and valve body junction by extinguishing chemical, extinguishing chemical can not be let out from sealing block and closed chamber wall junction, allow extinguishing chemical from valve rod edge ejection below pressure handle, a kind of fire extinguisher filling extinguishing chemical and placing fire extinguisher can not be convenient to.
As preferably, also comprise screw, spring base is provided with several screw holes, the outer surface of spring base is provided with external screw thread, the outer surface of spring base is also provided with perpendicular straight down, lower valve chamber inwall is provided with the internal thread mated with external screw thread, and spring base screws and is connected on the lower valve chamber of valve body, and screw front end is pressed through rear the perpendicular being connected to spring base from screw hole with screw.
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 fluid sealant on sealing block or closed chamber wall is hedged off from the outer world, thus it is aging that the fluid sealant of sealing block or closed chamber wall is reduced, extend the service life of fire extinguisher.
As preferably, on the lower surface of the airtight circle of rubber, be provided with some flexible annular gear 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 gear 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 fluid sealant of sealing block or closed chamber wall reduce, and greatly extends the service life of fire extinguisher.
The utility model can reach following effect:
1, extinguisher structure of the present utility model is simple, easy to use, good leak tightness, be easy to supplementary extinguishing chemical, pressure adjustable saves, extinguishing chemical can not be let out from cartridge openings and valve body junction, extinguishing chemical can not be let out from sealing block and closed chamber wall junction, allow extinguishing chemical from valve rod edge ejection below pressure handle, be convenient to fill extinguishing chemical and placing fire extinguisher.
2, the utility model extinguisher structure is simple, has adjustability, good airproof performance.
3, fire extinguisher of the present utility model has the airtight barrier effect of fold expansion corrugated pipe due to uuper valve chamber, the extinguishing chemical when using fire fighting with fire extinguisher can not be sprayed from the upper port of uuper valve chamber, namely extinguishing chemical can not from the valve rod edge ejection below pressure handle in use, thus reducing extinguishing chemical to the injury of user, security is higher.
4, the utility model good leak tightness, extinguishing chemical not easily leaks, adjustable, and practicality is high.The precision that sealing block is combined with closed chamber wall can not only be ensured, can also ensure that extinguishing chemical can not let out from the junction of sealing block and closed chamber wall.
5, the utility model structure is simple, good reliability, uses simple.
6, the utility model guide rail coordinates with gathering sill, 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 service 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 syndeton 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, gathering sill and guide rail a kind of partial enlargement tangent plane syndeton schematic diagram.
Fig. 4 is the utility model valve body, discharges assembly and fill a kind of tangent plane syndeton schematic diagram of expecting assembly.
Fig. 5 is a kind of syndeton schematic diagram that fire extinguisher of the present utility model hangs on erect plate.
Fig. 6 is a kind of syndeton schematic diagram at the utility model erect plate, sliding bar place.
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 base 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 sealing ring 22, hinge 23, closed chamber wall 24, fold chamber 25, fold expansion corrugated pipe 26, air guide through hole 27, gathering sill 28, guide rail 29, release pressure adjustable cap 30, spring 31, release sprue 32, release through hole 33, spray-hole 34, filter screen 35, fill material through hole 36, unidirectional gaseous core charging nozzle 37, gaseous core cap 38, fill material assembly 39, erect plate 40, supporting plate 41, pulling hole 42, sliding bar 43, hold-down segment 44, locking hole 45, locker 46, occlusal splint 47, installing hole 48, belt fastener 49, soft rubber sleeve 50, sebific duct collar 51, release assembly 52.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of fire extinguisher, shown in Fig. 1, Fig. 2, comprise the cylindrical shell (1) of fire extinguisher and the valve body (2) be connected on cylindrical shell and the hose assembly (3) be connected 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 junction, valve pocket is provided with closed chamber wall (24).
Shown in Figure 2, in the valve pocket of valve body, lower end is fixedly connected with spring base (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 base, and sealing block under spring force effect can airtight be adjacent to be connected in valve pocket closed chamber wall on.
Shown in Figure 2, 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.
Shown in Figure 2, 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; Also comprise screw (18), spring base is provided with several screw holes (19), the outer surface of spring base is provided with external screw thread, the outer surface of spring base is also provided with perpendicular straight down, lower valve chamber inwall is provided with the internal thread mated with external screw thread, spring base screws and is connected on the lower valve chamber of valve body, and is connected to the perpendicular of spring base through rear screw front end pressed from screw hole with screw.
Shown in Figure 2, 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 horizontal pressure ring of internal layer rubber seal outside is connected with outer layer rubber sealing 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), and metal o-ring, internal layer rubber seal and outer layer rubber sealing 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; 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; The opening edge edge of cylindrical shell is provided with the annulus sealed groove mated with metal o-ring.
Shown in Fig. 2, Fig. 3, 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 gathering sill (28) straight down, valve rod is provided with the guide rail (29) preventing valve rod from rotating mated with gathering sill; 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.
Shown in Figure 4, valve body is provided with and communicates with the inner chamber of cylindrical shell and the adjustable release assembly (52) of release pressure; Release assembly comprises release pressure adjustable cap (30) and is arranged on the release through hole (33) communicated with the inner chamber of cylindrical shell on valve body, release through hole comprises sector hole and the outer sector hole of release in release, and the diameter discharging outer sector hole is greater than the diameter of sector hole in release, release pressure adjustable cap rotational fastener is connected in the outer sector hole of release, in the outer sector hole of release, be provided with release sprue (32), between release pressure adjustable cap and release sprue, be provided with spring (31).
Shown in Figure 4, valve body is also provided with filling of communicating with the inner chamber of cylindrical shell and expects assembly (39), and fill material assembly in be provided with screen pack (35); Fill material assembly comprise be arranged on valve body communicate with the inner chamber of cylindrical shell fill material through hole (36), be provided with unidirectional gaseous core charging nozzle (37) filling in material through hole, be provided with gaseous core cap (38) filling on material through hole outer end opening.
Shown in Fig. 5, Fig. 6, also comprise erect plate (40), supporting plate (41) is fixed with outwardly at the lower horizontal of erect plate, pulling hole (42) is straight down provided with on erect plate top, in pulling hole, be provided with the sliding bar (43) slided up and down, and sliding bar upper end is provided with the hold-down segment (44) of outwards bending; Erect plate is provided with the locking hole (45) communicated with pulling hole, in locking hole, is provided with the locker (46) locking sliding bar; Erect plate outer surface is arranged occlusal splint (47) up and down that be engaged about being installed with two width, erect plate is provided with hanger installing hole (48), occlusal splint is provided with belt fastener (49).
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 surface of the airtight circle of rubber, some flexible annular gear 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 fluid sealant on sealing block or closed chamber wall is hedged off from the outer world, thus it is aging that the fluid sealant of sealing block or closed chamber wall is reduced, extend the service life of fire extinguisher.The flexible close downforce of the airtight circle of rubber to sealing block that not only make of annular gear 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 fluid sealant of sealing block or closed chamber wall reduce, and greatly extends the service life of fire extinguisher.
This example, when placing fire extinguisher, first elongates sliding bar, then the cylindrical shell of fire extinguisher is stuck in occlusal splint, and allow the lower end of cylindrical shell be pressed on supporting plate, then press down past for sliding bar, and make the hold-down segment on sliding bar tightly be pressed in the upper end of cylindrical shell, allow rear locker that sliding bar is locked; Then use belt fastener cylindrical shell tighten again, so just fire extinguisher has firmly been fixed on erect plate.This example needs the position first erect plate being fixed on needs installation before use.This example versatility is good, easy to use, installs simple.
As long as this example the output interface of the machine filling extinguishing chemical be connected to fill material assembly interface on, added by this fire extinguisher, the pressure size adjustment of extinguishing chemical discharges well the release pressure of assembly.Then open the machine filling extinguishing chemical and carry out being filled with of extinguishing chemical.Namely represent when seeing and substituted the bad for the good after release assembly has extinguishing chemical out.This example uses simple, and fill material convenient, release pressure is adjustable, good leak tightness, and without the need to taking off hose assembly, just to carry out extinguishing chemical to fire extinguisher supplementary.
The place one that extinguishing chemical in cylinder lumen may leak is cartridge openings and valve body junction, and two is junctions of sealing block and closed chamber wall.For cartridge openings and valve body junction, this example 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 junction.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 junction have been sealed, ensure that extinguishing chemical can not let out from cartridge openings and valve body junction.Outer layer rubber sealing 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 chemical and internal layer rubber seal, thus reduce extinguishing chemical 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 service life of internal layer rubber seal.After this example is contained in valve body the cylindrical shell of fire extinguisher by annular gland, extinguishing chemical is just sealed in the inner chamber of cylindrical shell by tight.
Two is junctions of sealing block and closed chamber wall.For the junction 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 example adopts spring base can up revolve height, if there is the situation of leaking extinguishing chemical, user is before filling extinguishing chemical, first spring base is up revolved height, make spring base 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 chemical can not let out from the junction of sealing block and closed chamber wall.Therefore, this example not only structure is simple, and good leak tightness, extinguishing chemical not easily leaks, and also achieve adjustable, practicality is high.Because spring steeps for a long time in extinguishing chemical, 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 chemical can not let out from the junction of sealing block and closed chamber wall.
By fold expansion corrugated pipe uuper valve chamber upper port 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 chemical when using fire fighting with fire extinguisher can not be sprayed from the upper port of uuper valve chamber, namely extinguishing chemical from the valve rod edge ejection below pressure handle, thus can not reduce extinguishing chemical to the injury of user in use.This example coordinates with gathering sill 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 service life of fold expansion corrugated pipe, and security is higher.
This example, when placing fire extinguisher, first elongates sliding bar, then the cylindrical shell of fire extinguisher is stuck in occlusal splint, and allow the lower end of cylindrical shell be pressed on supporting plate, then press down past for sliding bar, and make the hold-down segment on sliding bar tightly be pressed in the upper end of cylindrical shell, allow rear locker that sliding bar is locked; Then use belt fastener cylindrical shell tighten again, so just fire extinguisher has firmly been fixed on erect plate.This example needs the position first erect plate being fixed on needs installation before use.This example versatility is good, easy to use, installs simple.
Describe embodiment 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 (4)
1. a fire extinguisher, comprise the cylindrical shell (1) of fire extinguisher and the valve body (2) be connected on cylindrical shell and the hose assembly (3) be connected 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 junction, valve pocket is provided with closed chamber wall (24);
In the valve pocket of valve body, lower end is fixedly connected with spring base (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 base, 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 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 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 horizontal pressure ring of internal layer rubber seal outside is connected with outer layer rubber sealing 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), and metal o-ring, internal layer rubber seal and outer layer rubber sealing 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; 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; The opening edge edge of cylindrical shell is provided with the annulus sealed groove mated with metal o-ring;
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 gathering sill (28) straight down, valve rod is provided with the guide rail (29) preventing valve rod from rotating mated with gathering sill; 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;
Valve body is provided with and communicates with the inner chamber of cylindrical shell and the adjustable release assembly (29) of release pressure; Release assembly comprises release pressure adjustable cap (30) and is arranged on the release through hole (33) communicated with the inner chamber of cylindrical shell on valve body, release through hole comprises sector hole and the outer sector hole of release in release, and the diameter discharging outer sector hole is greater than the diameter of sector hole in release, release pressure adjustable cap rotational fastener is connected in the outer sector hole of release, in the outer sector hole of release, be provided with release sprue (32), between release pressure adjustable cap and release sprue, be provided with spring (31);
Valve body is also provided with filling of communicating with the inner chamber of cylindrical shell and expects assembly (39), and fill material assembly in be provided with screen pack (35); Fill material assembly comprise be arranged on valve body communicate with the inner chamber of cylindrical shell fill material through hole (36), be provided with unidirectional gaseous core charging nozzle (37) filling in material through hole, be provided with gaseous core cap (38) filling on material through hole outer end opening;
Also comprise erect plate (40), supporting plate (41) is fixed with outwardly at the lower horizontal of erect plate, pulling hole (42) is straight down provided with on erect plate top, in pulling hole, be provided with the sliding bar (43) slided up and down, and sliding bar upper end is provided with the hold-down segment (44) of outwards bending; Erect plate is provided with the locking hole (45) communicated with pulling hole, in locking hole, is provided with the locker (46) locking sliding bar; Erect plate outer surface is arranged occlusal splint (47) up and down that be engaged about being installed with two width, erect plate is provided with hanger installing hole (48), occlusal splint is provided with belt fastener (49).
2. a kind of fire extinguisher according to claim 1, it is characterized in that, also comprise screw (18), spring base is provided with several screw holes (19), the outer surface of spring base is provided with external screw thread, the outer surface of spring base is also provided with perpendicular straight down, lower valve chamber inwall is provided with the internal thread mated with external screw thread, spring base screws and is connected on the lower valve chamber of valve body, and is connected to the perpendicular of spring base through rear screw front end pressed from screw hole with screw.
3. a kind of fire extinguisher according to claim 1, is characterized in that, is 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.
4. a kind of fire extinguisher according to claim 3, is characterized in that, is provided with some flexible annular gear rings along the airtight circle of rubber on the lower surface of the airtight circle of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471327.2U CN204017219U (en) | 2014-08-20 | 2014-08-20 | A kind of fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471327.2U CN204017219U (en) | 2014-08-20 | 2014-08-20 | A kind of fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204017219U true CN204017219U (en) | 2014-12-17 |
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ID=52057134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420471327.2U Expired - Fee Related CN204017219U (en) | 2014-08-20 | 2014-08-20 | A kind of fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204017219U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268141A (en) * | 2015-11-25 | 2016-01-27 | 天津航空机电有限公司 | Filling and releasing structure of fixed fire extinguisher |
| CN107320877A (en) * | 2017-06-28 | 2017-11-07 | 滁州南钢盛达实业有限公司 | A kind of inflation fixed mount of fire extinguisher |
| CN115569327A (en) * | 2022-09-30 | 2023-01-06 | 马鞍山市惠安消防安全设备有限公司 | Quick unblock has withstand voltage type fire extinguisher of mistake proofing function of touching |
-
2014
- 2014-08-20 CN CN201420471327.2U patent/CN204017219U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268141A (en) * | 2015-11-25 | 2016-01-27 | 天津航空机电有限公司 | Filling and releasing structure of fixed fire extinguisher |
| CN105268141B (en) * | 2015-11-25 | 2018-07-06 | 天津航空机电有限公司 | A kind of fixed fire extinguisher filling, release structure |
| CN107320877A (en) * | 2017-06-28 | 2017-11-07 | 滁州南钢盛达实业有限公司 | A kind of inflation fixed mount of fire extinguisher |
| CN115569327A (en) * | 2022-09-30 | 2023-01-06 | 马鞍山市惠安消防安全设备有限公司 | Quick unblock has withstand voltage type fire extinguisher of mistake proofing function of touching |
| CN115569327B (en) * | 2022-09-30 | 2023-10-27 | 马鞍山市惠安消防安全设备有限公司 | Quick unlocking pressure-resistant fire extinguisher with error touch prevention function |
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Granted publication date: 20141217 Termination date: 20170820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |