CN205350526U - Overflow arrangement that ventilates of fire engine liquid storage pot - Google Patents
Overflow arrangement that ventilates of fire engine liquid storage pot Download PDFInfo
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- CN205350526U CN205350526U CN201620039567.4U CN201620039567U CN205350526U CN 205350526 U CN205350526 U CN 205350526U CN 201620039567 U CN201620039567 U CN 201620039567U CN 205350526 U CN205350526 U CN 205350526U
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Abstract
The utility model provides an overflow arrangement that ventilates of fire engine liquid storage pot, belongs to fire protection equipment technical field. The fire engine liquid storage pot includes the liquid storage pot jar body, and the manhole is established at the top of the liquid storage pot jar body, establishes the manhole cover in the position corresponding to the manhole, establishes into liquid outlet at the lower lateral part of the liquid storage pot jar body, establish in the position corresponding to advancing the liquid outlet and pass in and out the liquid interface, the overflow arrangement that ventilates include an overflow tubular column and the overflow valve of ventilating, the overflow tubular column is in with vertical state setting in the tank body cavity, the bottom of this overflow tubular column is fixed and the overflow pipe pillar cavity of this overflow tubular column communicates with each other with the external world with tank body cavity's chamber diapire, and the overflow valve of ventilating is fixed at the top of overflow tubular column and communicate with each other with tank body cavity and overflow pipe pillar cavity simultaneously. The structure is simplified, the convenient manufacturing and the assembly, the leakproofness and the terseness of the guarantee liquid storage pot jar body avoid suffering external foreign matter to block up and suffer the external factors impact fracture, long service lifetime.
Description
Technical field
This utility model belongs to fire fighting device technical field, is specifically related to the ventilation overflow mechanism of a kind of fire fighting truck fluid reservoir, is arranged in fire fighting truck fluid reservoir, plays the effect of ventilation and overflow.
Background technology
As known to the professional person of fire-fighting domain, equipped with fluid reservoir on fire fighting truck, both can store water storage due to fluid reservoir, it is also possible to store storage fire foam, thus fluid reservoir is called water pot or fire foam tank by custom.At the top of fluid reservoir except being provided with for the water of fill fire extinguishing in fluid reservoir or except the liquid feeding mouth of fire foam, being additionally provided with manhole, the effect of manhole is to enter the tank intracavity of fluid reservoir for fire fighter fluid reservoir is implemented inspection or cleaning.Manhole must be closed due to fire fighting truck in a state of use, thus be equipped with cover in the position corresponding to manhole, and cover also has decompression function concurrently.The cover of this version can referring to patent of invention notification number CN100586059C " can cover structure of used in fire-fighting " recommended.
The typical example of the fluid reservoir with ventilation and pressure relief can referring to application for a patent for invention publication No. CN101214408A " the automatically unloading cover of fire-truck water tank " provided, one overflow pipe of the aeration liquid head piece being referred to the top being arranged at fluid reservoir in the background technology hurdle of this patent application and the tank intracavity that is arranged at fluid reservoir, the upper end of overflow pipe leans out tank chamber when corresponding to ventilation overfall, and lower end is stretched over outside tank chamber equally.When to cylinder intracavity liquid filling; the air of tank intracavity enters ventilation overfall and causes the external world from overflow pipe; when in fire extinguishing procedure; when the liquid of tank intracavity reduces gradually; outside air just enters from overflow pipe, introduces tank chamber through ventilation overfall, when tank chamber completely liquid in the process to tank chamber liquid filling; then by ventilation overfall, unnecessary liquid is caused the external world through overflow pipe, reach overflow release and protect the effect of fluid reservoir." can cover structure of used in fire-fighting " that the ventilation overfall of this version and the shortcoming of overflow pipe are introduced by CN100586509C is made up, and this CN100586509C also eliminates the CN196199A deficiency existed simultaneously.
But include the ventilation overflow mechanism in the prior art of above mentioned patent and all there is following logical fraud: one is to reach ventilation overflow purpose, making the overall tightness of fluid reservoir be affected；Two is make the structure of liquid storage tank lid (i.e. manhole cover, as follows) complicated, increases and manufactures and installation difficulty；Three is that the position existence of ventilation overfall is by the anxiety (when being located on cover) of foreign matters from being blocked；Four is easily caused damage by extraneous factor.
For above-mentioned prior art, it is necessary to improved, do useful design for this applicant, and defined technical scheme described below.
Summary of the invention
Task of the present utility model be in that to provide a kind of help avoid use with manhole cover for carrier arranges simplify manhole cover structure, be conducive to embodying good built-in effect and use and promote the overall tightness of fluid reservoir and terseness and avoid by extraneous foreign matters from being blocked or suffer extraneous factor impact failure and being of value to ensure excellent ventilation, flushing effect and tend to non-maintaining and use the ventilation overflow mechanism of the fire fighting truck fluid reservoir embodying lasting service life.
Task of the present utility model is performed by, a kind of ventilation overflow mechanism of fire fighting truck fluid reservoir, described fire fighting truck fluid reservoir includes a fluid reservoir tank body, a manhole is offered at the top of this fluid reservoir tank body, it is equipped with a manhole cover in the position corresponding to manhole, a liquid in-out mouth is offered in the following side of fluid reservoir tank body, one it is equipped with for the liquid pouring into fire extinguishing to the tank body intracavity of fluid reservoir tank body or the liquid in-out interface drawn by endoceliac for tank liquid in the position corresponding to this liquid in-out mouth, described ventilation overflow mechanism includes an overflow tubing string and a ventilation overflow valve, overflow tubing string is arranged on described tank body intracavity with longitudinal state, the bottom of this overflow tubing string is fixed with the chamber diapire in tank body chamber and the overflow tubing string chamber of this overflow tubing string communicates with the external world, ventilation overflow valve is fixed on the top of overflow tubing string and communicates with tank body chamber and overflow tubing string chamber simultaneously.
In a specific embodiment of the present utility model, described ventilation overflow valve includes the fixing seat of valve body, valve body, valve gap, valve rod, spring, float matching seat and float, central authorities' composition of the short transverse that the fixing bottom of seat of valve body is fixed with the top of described overflow tubing string and this valve body fixes seat has a valve body to fix seat overflow cavity, the fixing seat overflow cavity of this valve body communicates with described overflow tubing string chamber, the bottom of valve body is fixed by the top of the fixing seat of its valve body diapire and valve body, and spaced apart on valve body diapire it is provided with one group of valve body diapire diversion cavity, this group valve body diapire diversion cavity communicates with the fixing seat overflow cavity in the valve body chamber of valve body and valve body simultaneously, valve gap floating ground is arranged on valve body intracavity, the upper end of valve rod is fixed towards the middle position of the side in valve body chamber with valve gap, and the valve stem guide bore of the lower end of valve rod and the middle position being opened in valve body diapire is slidably matched, spring is nested with on valve rod, and the upper end of this spring is bearing on valve gap, and the lower end of spring is bearing on valve body diapire, float matching seat is made up of the side extension of described valve body, the bottom of this float matching seat is formed uncovered, and sidepiece offers a matching seat guiding gutter, this matching seat guiding gutter communicates with described tank body chamber, also constitute in float matching seat and have a cavity demarcation strip, in float matching seat, an air flow chamber and a floats chamber it is separated out by this cavity demarcation strip, air flow chamber is positioned at the top of cavity demarcation strip and is communicated with described valve body chamber by guiding gutter, floats chamber is positioned at the lower section of cavity demarcation strip, and communicate with matching seat guiding gutter, air flow chamber coordinates head bore to communicate with floats chamber by the float being opened on cavity demarcation strip, float is constituted a float seal chamber, and it is formed with a float cooperating head in the narrow contracting in the top of float, this float cooperating head coordinates head bore to match with described float, and the side composition fixing seat towards described valve body at float has a float stopper slot, this float stopper slot matches with the fixing seat of valve body.
In another specific embodiment of the present utility model, constitute at the top of described overflow tubing string and have an abducent overflow tubing string flange, constitute at the top of the fixing seat of described valve body and have one to extending out the fixing seat upper flange of the valve body set, and bottom composition has one outwards to expand the fixing seat lower flange of the valve body set equally, the valve body diapire of described valve body is fixed with the fixing seat upper flange of valve body by the fixing screw of valve body diapire, and the fixing seat lower flange of valve body is fixed with overflow tubing string flange by the fixing screw of lower flange；The float stopper slot of the side of described float matches with the fixing seat upper flange of valve body.
In another specific embodiment of the present utility model, described valve body diapire is constituted with radiation regimes and has one group of diversion cavity divider, the space between the divider of adjacent guide chamber to be configured to described valve body diapire diversion cavity.
In another specific embodiment of the present utility model, at described valve body diapire, the side of described valve gap is provided with limited post, by this limited post, the down stroke limit of valve gap is spacing.
Also have in a specific embodiment of the present utility model, the spacing back-up ring of valve gap up stroke having a direction folding exhibition towards described valve body chamber is constituted on the top of described valve body, described valve gap towards on side and offer a sealing ring cavity at the circumferencial direction being positioned around valve gap corresponding to the spacing back-up ring of valve gap up stroke, being provided with a sealing ring in this sealing ring cavity, this sealing ring is corresponding with the spacing back-up ring of valve gap up stroke.
Of the present utility model more and in a specific embodiment, constituting on the fixing seat upper flange of described valve body and in the position corresponding to described float and have a spacing plane of float stopper slot, described float stopper slot coordinates with this spacing planar slide of float stopper slot.
In an of the present utility model and then specific embodiment, being fixed with a valve gap seat board at described valve gap towards the central part of the side in described valve body chamber, the upper end of described valve rod and this valve gap seat board are fixed.
Of the present utility model again more and in a specific embodiment, it is fixed with a sealing gasket towards the side in described floats chamber at described cavity demarcation strip, offering a float cooperating head resigning hole on this sealing gasket and in the position corresponding to described float cooperation head bore, this float cooperating head resigning hole coordinates head bore to overlap with float.
Of the present utility model again and then in a specific embodiment, described sealing gasket is rubber gasket.
The technical scheme that this utility model provides has following technical effect that one, owing to the overflow tubing string of the structural system of ventilation overflow mechanism and ventilation overflow valve to be arranged on the tank body intracavity of fluid reservoir tank body, thus abandoned the mode arranged for carrier in prior art with manhole cover, the structure making manhole cover is significantly simplified, both can conveniently manufacture, and can fast assemble again；It two is positioned at tank body intracavity due to overflow tubing string and ventilation overflow valve, thus embodies the desirably built-in effect that arranges, both can ensure sealing and the terseness of fluid reservoir tank body, is avoided that again and suffers extraneous foreign matters from being blocked and suffer extraneous factor impact failure；Its three, owing to can guarantee that the ventilation of excellence, flushing effect and tend to non-maintaining, thus lasting service life can be played.
Accompanying drawing explanation
Fig. 1 is embodiment schematic diagram of the present utility model.
Fig. 2 is the detailed structure view of the ventilation overflow valve shown in Fig. 1.
Fig. 3 is the sectional view of Fig. 2.
Detailed description of the invention
In order to enable the public to be more clearly understood from technical spirit of the present utility model and beneficial effect, applicant will elaborate below by way of example, but the description to embodiment is not all the restriction to this utility model scheme, any be only pro forma but not substantial equivalent transformation done according to this utility model design is regarded as the technical solution of the utility model category.
Every upper and lower, left and right, the directivity of front and rear or concept of title directionality of relating to is all for the figure location state being described in the following description, purpose is in that to facilitate public understanding, thus can not be understood as being particularly limited to the technical scheme that this utility model provides.
Refer to Fig. 1, illustrate a fluid reservoir tank body 1 of the structural system belonging to fire fighting truck fluid reservoir, a manhole 11 is offered at the top of this fluid reservoir tank body 1, in the position corresponding to manhole 11, screw 1111 is equipped and is namely fixed with a manhole cover 111 by manhole cover, offer a liquid in-out mouth 12 in the following side of fluid reservoir tank body 1, be equipped in the position corresponding to this liquid in-out mouth 12 and be namely fixed with one for the liquid pouring into fire extinguishing in the tank body chamber 13 of fluid reservoir tank body 1 or the liquid in-out interface 121 drawn by the liquid in tank body chamber 13.
Space set buffer board 131 is gone back, to increase the intensity of fluid reservoir tank body 1 in tank body chamber 13.In the present embodiment, although liquid in-out interface 12 has been arranged on the bottom of the left side wall of fluid reservoir tank body 1, but may also set up the bottom in front side wall or rear wall, even may also be disposed on the bottom of right side wall.But when liquid in-out interface 12 is provided with the bottom of the right side wall of liquid storage tank body 1, then on the left of the following ventilation overflow mechanism position transfer in tank body chamber 13 being about to describe to tank body chamber.Also show whole fluid reservoir tank body 1 in FIG and be arranged at the situation on the chassis 4 of fire fighting truck.
Refer to Fig. 2 and Fig. 3 and in conjunction with Fig. 1, illustrate overflow tubing string 2 and a ventilation overflow valve 3 of the structural system of ventilation overflow mechanism of the present utility model, overflow tubing string 2 is arranged in aforementioned tank body chamber 13 (being positioned at the right side in tank body chamber 13) with longitudinal state, the bottom of this overflow tubing string 2 is fixed with the chamber diapire in tank body chamber 13 and the bottom in overflow tubing string chamber 21 of this overflow tubing string 2 communicates with the external world, and ventilation overflow valve 3 is fixed on the top of overflow tubing string 2 and communicates with tank body chamber 13 and overflow tubing string chamber 21 simultaneously.
Please see Fig. 2 and Fig. 3 by emphasis, aforesaid ventilation overflow valve 3 includes the fixing seat 31 of valve body, valve body 32, valve gap 33, valve rod 34, spring 35, float matching seat 36 and float 37, central authorities' composition of the short transverse that the fixing bottom of seat 31 of valve body is fixed with the top of aforementioned overflow tubing string 2 and this valve body fixes seat 31 has a valve body to fix seat overflow cavity 311, the fixing seat overflow cavity 311 of this valve body communicates with aforementioned overflow tubing string chamber 21, the bottom of valve body 32 is fixed by the top of the fixing seat 31 of its valve body diapire 321 and valve body, and spaced apart on valve body diapire 321 it is provided with one group of valve body diapire diversion cavity 3211, this group valve body diapire diversion cavity 3211 communicates with the fixing seat overflow cavity 311 in the valve body chamber 322 of valve body 32 and valve body simultaneously, valve gap 33 floating ground (both can up also can be descending) is arranged in valve body chamber 322, the upper end of valve rod 34 is fixed towards the middle position of the side in valve body chamber 322 with valve gap 33, and the valve stem guide bore 3212 of the lower end of valve rod 34 and the middle position being opened in valve body diapire 321 is slidably matched, spring 35 is nested with on valve rod 34, and the upper end of this spring 35 is bearing on valve gap 33, and the lower end of spring 35 is bearing on valve body diapire 321, float matching seat 36 is made up of side (the present embodiment the is left side) extension of aforementioned valve body 32, the bottom of this float matching seat 36 is formed uncovered, and sidepiece offers a matching seat guiding gutter 361, this matching seat guiding gutter 361 communicates with aforementioned tank body chamber 13, also constitute in float matching seat 36 and have a cavity demarcation strip 362, in float matching seat 36, air flow chamber 363 and a floats chamber 364 it is separated out by this cavity demarcation strip 362, air flow chamber 363 is positioned at the top of cavity demarcation strip 362 and is communicated with aforesaid valve body chamber 322 by guiding gutter 3631, floats chamber 364 is positioned at the lower section of cavity demarcation strip 362, and communicate with matching seat guiding gutter 361, air flow chamber 363 coordinates head bore 3621 to communicate with floats chamber 364 by the float being opened on cavity demarcation strip 362, float 37 is constituted a float seal chamber 371, and it is formed with a float cooperating head 372 in the narrow contracting in the top of float 37, this float cooperating head 372 coordinates head bore 3621 to match with described float, and the side composition fixing seat 31 towards aforementioned valve body at float 37 has a float stopper slot 373, this float stopper slot 373 matches with the fixing seat 31 of valve body.
Shown in Fig. 2 and Fig. 3, constitute at the top of aforementioned overflow tubing string 2 and have an abducent overflow tubing string flange 22, constitute at the top of the fixing seat 31 of aforesaid valve body and have one to extending out the fixing seat upper flange 312 of the valve body set, and bottom composition has one outwards to expand the fixing seat lower flange 313 of the valve body set equally, the valve body diapire 321 of aforementioned valve body 32 is fixed with the fixing seat upper flange 312 of valve body in the position corresponding to the upper flange screw 3122 being preset on the fixing seat upper flange 312 of valve body by the fixing screw 3213 of valve body diapire, and the fixing seat lower flange 313 of valve body is fixed with overflow tubing string flange 22 in the position corresponding to the lower flange screw 3132 being opened on the fixing seat lower flange 313 of valve body by the fixing screw 3131 of lower flange；The float stopper slot 373 of the side of aforementioned float 37 matches with the fixing seat upper flange 312 of valve body.
Being constituted with radiation regimes on aforesaid valve body diapire 321 and have one group of diversion cavity divider 3214, the space between adjacent guide chamber divider 3214 to be configured to aforesaid valve body diapire diversion cavity 3211, valve body diapire diversion cavity 3211 is in sector.
At aforesaid valve body diapire 321, the side of aforementioned valve gap 33 is provided with at least one pair of limited post 3215 corresponded to each other, by this limited post 3215, the down stroke limit of valve gap 33 is spacing.Having illustrated the screw 32151 on limited post 3215 in Fig. 1, this screw 32151 is fixed with the fixing screw 3213 of aforesaid valve body diapire.
Constitute on the top of aforementioned valve body 32 and have roll over the spacing back-up ring 323 of valve gap up stroke of exhibition to the direction in aforementioned valve body chamber 322 one day, aforementioned valve gap 33 towards on side and offer a sealing ring cavity 331 at the circumferencial direction being positioned around valve gap 33 corresponding to the spacing back-up ring 323 of valve gap up stroke, being provided with a sealing ring 3311 in this sealing ring cavity 331, this sealing ring 3311 is corresponding with valve gap up stroke spacing back-up ring 323.
Constituting on the fixing seat upper flange 312 of aforementioned valve body and in the position corresponding to aforementioned float 37 and have a spacing plane 3121 of float stopper slot, aforesaid float stopper slot 373 is slidably matched with the spacing plane 3121 of this float stopper slot.The length that upper and lower displacement degree is float stopper slot 373 of float 37.
Being fixed with a valve gap seat board 332 towards the central part of the side in described valve body chamber 322 by screw 3321 at aforementioned valve gap 33, the upper end of aforementioned stem 34 is fixed with this valve gap seat board 332, and aforesaid limited post 3215 is corresponding with valve gap seat board 332.
It is fixed with a sealing gasket 3622 towards the fixing screw 36222 of side sealing gasket in aforementioned floats chamber 364 at abovementioned cavity demarcation strip 362, offering a float cooperating head resigning hole 36221 on this sealing gasket 3622 and in the position corresponding to aforementioned float cooperation head bore 3621, this float cooperating head resigning hole 36221 coordinates head bore 3621 to overlap with float.
In the present embodiment, aforesaid sealing gasket 3622 is rubber gasket.
Applicant describes the operation principle of ventilation overflow valve 3 of the present utility model in conjunction with Fig. 1 to Fig. 3, when by liquid in-out interface 121 to liquid filling in tank body chamber 13, rising gradually along with the liquid level (liquid level) in tank body chamber 13, float 37 also floats gradually, air in tank body chamber 13 is successively through matching seat guiding gutter 361 simultaneously, floats chamber 364, float cooperating head resigning hole 36221, float coordinates head bore 3621, air flow chamber 363 and guiding gutter 3631 enter the valve body chamber 322 of valve body 32, enter the air in valve body chamber 322 successively through valve body diapire diversion cavity 3211, the fixing seat overflow cavity 311 of valve body of the fixing seat 31 of valve body and the overflow tubing string chamber 21 of overflow tubing string 2 drain into external world's (Fig. 1 shows).Along with the continuation of the liquid level in tank body chamber 13 raises, float 37 is also while continuing to float, when the float cooperating head 372 of float 37 probes into float cooperating head resigning hole 36221 and float coordinates head bore 3621, showing that tank body chamber 13 has been in and tend to full liquid status, ventilation overflow valve 3 of the present utility model serves the effect of ventilation (giving vent to anger).Now, if continuing to liquid filling in tank body chamber 13, then the liquid in tank body chamber 13 can cover valve gap 33, and makes valve gap 33 to bottom offset under the pressure of liquid under the counteracting force overcoming spring 35, and namely valve rod 34 is descending, and spring 35 compresses.Descending due to valve gap 33, thus the liquid of the redundancy in tank body chamber 13 just enters valve body chamber 322 from aforementioned guiding gutter 3631, and causing the external world through valve body bottom girder diversion cavity 3211, the fixing seat overflow cavity 311 of valve body and overflow tubing string chamber 21 successively, ventilation overflow valve 3 of the present utility model serves the effect of overflow.When the liquid in tank body chamber 13 being drawn use by liquid in-out interface 121, reduction gradually along with the liquid level in tank body chamber 13, float 37 descending, float cooperating head 372 is left float and is coordinated head bore 3621 and float cooperating head resigning hole 36221, meanwhile, outside air is successively through overflow tubing string chamber 21, valve body fixes seat overflow cavity 311, valve body bottom girder diversion cavity 3211, valve body chamber 322, guiding gutter 3631, air flow chamber 363, float coordinates pass 3621, float cooperating head resigning hole 36221, floats chamber 364 and matching seat guiding gutter 361 enter in tank body chamber 13, ventilation overflow valve 3 of the present utility model serves the effect of return-air.
In sum, the technical scheme that this utility model provides overcomes the deficiency in prior art, completes invention task, has cashed the technique effect referred in the superincumbent technique effect hurdle of applicant faithfully.
Claims (10)
1.A kind of ventilation overflow mechanism of fire fighting truck fluid reservoir, described fire fighting truck fluid reservoir includes a fluid reservoir tank body (1), a manhole (11) is offered at the top of this fluid reservoir tank body (1), it is equipped with a manhole cover (111) in the position corresponding to manhole (11), a liquid in-out mouth (12) is offered in the following side of fluid reservoir tank body (1), one it is equipped with for the liquid pouring into fire extinguishing in the tank body chamber (13) of fluid reservoir tank body (1) or the liquid in-out interface (121) drawn by the liquid in tank body chamber (13) in the position corresponding to this liquid in-out mouth (12), it is characterized in that described ventilation overflow mechanism includes an overflow tubing string (2) and ventilation overflow valve (3), overflow tubing string (2) is arranged in described tank body chamber (13) with longitudinal state, the bottom of this overflow tubing string (2) is fixed with the chamber diapire of tank body chamber (13) and the overflow tubing string chamber (21) of this overflow tubing string (2) communicates with the external world, ventilation overflow valve (3) is fixed on the top of overflow tubing string (2) and communicates with tank body chamber (13) and overflow tubing string chamber (21) simultaneously.
2.The ventilation overflow mechanism of fire fighting truck fluid reservoir according to claim 1, it is characterized in that described ventilation overflow valve (3) includes the fixing seat (31) of valve body, valve body (32), valve gap (33), valve rod (34), spring (35), float matching seat (36) and float (37), central authorities' composition of the short transverse that the top of bottom and described overflow tubing string (2) that valve body fixes seat (31) is fixed and this valve body fixes seat (31) has a valve body to fix seat overflow cavity (311), the fixing seat overflow cavity (311) of this valve body communicates with described overflow tubing string chamber (21), the bottom of valve body (32) is fixed by the top of the fixing seat (31) of its valve body diapire (321) and valve body, and spaced apart it is provided with one group of valve body diapire diversion cavity (3211) valve body diapire (321) is upper, this group valve body diapire diversion cavity (3211) communicates with the fixing seat overflow cavity (311) in the valve body chamber (322) of valve body (32) and valve body simultaneously, valve gap (33) floating ground is arranged in valve body chamber (322), the upper end of valve rod (34) is fixed towards the middle position of the side of valve body chamber (322) with valve gap (33), and the valve stem guide bore (3212) of the lower end of valve rod (34) and the middle position being opened in valve body diapire (321) is slidably matched, spring (35) is nested with on valve rod (34), and the upper end of this spring (35) is bearing on valve gap (33), and the lower end of spring (35) is bearing on valve body diapire (321), float matching seat (36) is made up of the side extension of described valve body (32), the bottom of this float matching seat (36) is formed uncovered, and sidepiece offers a matching seat guiding gutter (361), this matching seat guiding gutter (361) communicates with described tank body chamber (13), also constitute in float matching seat (36) and have a cavity demarcation strip (362), in float matching seat (36), an air flow chamber (363) and a floats chamber (364) it is separated out by this cavity demarcation strip (362), air flow chamber (363) is positioned at the top of cavity demarcation strip (362) and is communicated with described valve body chamber (322) by guiding gutter (3631), floats chamber (364) is positioned at the lower section of cavity demarcation strip (362), and communicate with matching seat guiding gutter (361), air flow chamber (363) coordinates head bore (3621) to communicate with floats chamber (364) by the float being opened on cavity demarcation strip (362), float (37) is constituted a float seal chamber (371), and the narrow contracting in top at float (37) is formed with a float cooperating head (372), this float cooperating head (372) coordinates head bore (3621) to match with described float, and the side composition fixing seat (31) towards described valve body at float (37) has a float stopper slot (373), this float stopper slot (373) matches with the fixing seat (31) of valve body.
3.The ventilation overflow mechanism of fire fighting truck fluid reservoir according to claim 2, it is characterized in that constituting at the top of described overflow tubing string (2) have abducent overflow tubing string flange (22), constitute at the top of the fixing seat (31) of described valve body and have one to extending out the fixing seat upper flange (312) of the valve body set, and bottom composition has one outwards to expand the fixing seat lower flange (313) of the valve body set equally, the valve body diapire (321) of described valve body (32) is fixed with the fixing seat upper flange (312) of valve body by the fixing screw (3213) of valve body diapire, and the fixing seat lower flange (313) of valve body is fixed with overflow tubing string flange (22) by the fixing screw (3131) of lower flange；The float stopper slot (373) of the side of described float (37) matches with the fixing seat upper flange (312) of valve body.
4.The ventilation overflow mechanism of fire fighting truck fluid reservoir according to claim 2, it is characterized in that being constituted with radiation regimes on described valve body diapire (321) have one group of diversion cavity divider (3214), the space between adjacent guide chamber divider (3214) is configured to described valve body diapire diversion cavity (3211).
5.The ventilation overflow mechanism of fire fighting truck fluid reservoir according to claim 2, it is characterized in that, at described valve body diapire (321), the side of described valve gap (33) is provided with limited post (3215), by this limited post (3215), the down stroke limit of valve gap (33) is spacing.
6.The ventilation overflow mechanism of fire fighting truck fluid reservoir according to claim 2, it is characterized in that constituting the spacing back-up ring of the valve gap up stroke (323) having a direction folding exhibition towards described valve body chamber (322) on the top of described valve body (32), a sealing ring cavity (331) is offered towards upper side and at the circumferencial direction being positioned around valve gap (33) corresponding to the spacing back-up ring of valve gap up stroke (323) at described valve gap (33), it is provided with a sealing ring (3311) in this sealing ring cavity (331), this sealing ring (3311) is corresponding with the spacing back-up ring of valve gap up stroke (323).
7.The ventilation overflow mechanism of fire fighting truck fluid reservoir according to claim 3, it is characterized in that upper at the fixing seat upper flange (312) of described valve body and have the spacing plane of a float stopper slot (3121) in the position composition corresponding to described float (37), described float stopper slot (373) and the spacing plane of this float stopper slot (3121) are slidably matched.
8.The ventilation overflow mechanism of fire fighting truck fluid reservoir according to claim 2, it is characterized in that being fixed with a valve gap seat board (332) at described valve gap (33) towards the central part of the side of described valve body chamber (322), the upper end of described valve rod (34) is fixed with this valve gap seat board (332).
9.The ventilation overflow mechanism of fire fighting truck fluid reservoir according to claim 2, it is characterized in that being fixed with a sealing gasket (3622) described cavity demarcation strip (362) towards the side of described floats chamber (364), above and coordinating the position of head bore (3621) to offer float cooperating head resigning hole (36221) corresponding to described float at this sealing gasket (3622), this float cooperating head resigning hole (36221) coordinates head bore (3621) to overlap with float.
10.The ventilation overflow mechanism of fire fighting truck fluid reservoir according to claim 9, it is characterised in that described sealing gasket (3622) is rubber gasket。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039567.4U CN205350526U (en) | 2016-01-15 | 2016-01-15 | Overflow arrangement that ventilates of fire engine liquid storage pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039567.4U CN205350526U (en) | 2016-01-15 | 2016-01-15 | Overflow arrangement that ventilates of fire engine liquid storage pot |
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| Publication Number | Publication Date |
|---|---|
| CN205350526U true CN205350526U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620039567.4U Active CN205350526U (en) | 2016-01-15 | 2016-01-15 | Overflow arrangement that ventilates of fire engine liquid storage pot |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508704A (en) * | 2016-01-15 | 2016-04-20 | 苏州市捷达消防车辆装备有限公司 | Ventilating overflow device for fire-fighting truck liquid storage tank |
| CN106275931A (en) * | 2016-08-29 | 2017-01-04 | 娄晓曼 | A kind of ventilation overflow mechanism of fire fighting truck fluid reservoir |
-
2016
- 2016-01-15 CN CN201620039567.4U patent/CN205350526U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508704A (en) * | 2016-01-15 | 2016-04-20 | 苏州市捷达消防车辆装备有限公司 | Ventilating overflow device for fire-fighting truck liquid storage tank |
| CN106275931A (en) * | 2016-08-29 | 2017-01-04 | 娄晓曼 | A kind of ventilation overflow mechanism of fire fighting truck fluid reservoir |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215562 Industrial Park, Shuang Bang village, Xinzhuang Town, Changshou City, Suzhou, Jiangsu Patentee after: Jetta Fire Technology (Suzhou) Limited by Share Ltd Address before: 215562 Industrial Park, Shuang Bang village, Xinzhuang Town, Changshou City, Suzhou, Jiangsu Patentee before: Suzhou Jieda Fire-Protection Vehicle & Equipment Co., Ltd. |