CN102654077A - Decompression and stream guidance structure of automobile water storage bottle - Google Patents

Decompression and stream guidance structure of automobile water storage bottle Download PDF

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Publication number
CN102654077A
CN102654077A CN2012101527944A CN201210152794A CN102654077A CN 102654077 A CN102654077 A CN 102654077A CN 2012101527944 A CN2012101527944 A CN 2012101527944A CN 201210152794 A CN201210152794 A CN 201210152794A CN 102654077 A CN102654077 A CN 102654077A
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CN
China
Prior art keywords
bottle
valve
water storage
spring
storage bottle
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CN2012101527944A
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Chinese (zh)
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CN102654077B (en
Inventor
辜积峰
蔡操平
孟锐
郑军
于海燕
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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Priority to CN201210152794.4A priority Critical patent/CN102654077B/en
Publication of CN102654077A publication Critical patent/CN102654077A/en
Application granted granted Critical
Publication of CN102654077B publication Critical patent/CN102654077B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention provides a decompression and stream guidance structure of an automobile water storage bottle. The decompression and stream guidance structure comprises a bottle body and a bottle cover, and is characterized by further comprising an annular groove around the lower end of a neck of a bottle body. The bottle cover is divided into an outer cover and a cover plug; a bottle cover inner cavity is arranged at the center of the cover plug, and an air inlet-outlet valve is mounted in the bottle cover inner cavity; a driving air leakage channel is arranged inside the outer cover; one end of the driving air leakage channel is connected with the bottle cover inner cavity, and the other end of the driving air leakage channel extends into the annular groove; and a manual air leakage hole is formed in the middle section of the neck of the bottle body. According to the decompression and stream guidance structure provided by the invention, on the one hand, the design of the annular groove and a stream guidance groove is used, so that a high-pressure gas-liquid mixture does not splash outside the bottle to cause pollution; and on the other hand, the manual decompression hole is arranged, so that a high-pressure cooling liquid in the bottle is rapidly decompressed when the water storage bottle is opened, and the personal injury is avoided.

Description

A kind of automobile is with water storage bottle pressure release flow guide structure
Technical field
The invention belongs to the car engine cooling system field, be specifically related to a kind of automobile with water storage bottle pressure release flow guide structure.
Background technique
In engine working process, the coolant temperature in the cooling system can raise, and then causes its expansion; Even when running into the situation of engine power increase suddenly; The cooling liquid that flows through cylinder liner can be vaporized in a large number, and the steam of generation is by cooling system, and especially radiator bears quite high pressure; At this moment, need pressure relief device to come radiator is carried out pressure release.The pressure relief device that generally adopts now is a dress pressure release lid on water storage bottle; But flow guide structure is not set on water storage bottle; Just can cause following deficiency: 1) when cooling system bears elevated pressures; The liquid-vapor mixture ejector valve of discharging through the water storage bottle relief opening behind the door, splash pollutes to the bottle outside; 2) because violation operation or other reasons when desiring to open the retaining bottle cap, the protective measures that there is no need are born cooling liquid in the cooling system of high pressure and will directly make progress and erupt, and cause personal injury.
In addition; Existing automobile is arranged side by side in bottle cap body with vacuum valve and dropping valve in the water storage bottle bottle cap, has following drawback: 1) outlet valve and suction valve are set up separately, owing to influenced by water storage bottle bottle cap volume; Its valve volume is less relatively; It is too high to cause its valve body control accuracy to require, and pressure control is unstable, makes valve can not accurately and timely control the pressure in the bottle; 2) because valve volume is less than normal, cause the bottle cap internal structure complicated, difficulty of processing is big; 3) because valve volume is less than normal, cause internal system vacuum or pressure to occur when excessive, can not pass through valve body balance sysmte internal pressure timely, make car load be in " uncomfortable " state for a long time, will shorten car load " life-span ".
Summary of the invention
The purpose of this invention is to provide a kind of automobile with water storage bottle pressure release flow guide structure; Can effectively solve above-mentioned deficiency; Avoid in the water storage bottle the splash of high pressure liquid-vapor mixture to bottle outside pollute, when preventing simultaneously that violation operation from maybe need open bottle cap human body is damaged; Can also vacuum valve and dropping valve be merged into an integral body, save the space of bottle cap effectively, valve volume is increased accordingly; Pressure control is stable, can make valve can accurately and timely control the pressure in the bottle, and reduces the manufacture difficulty of valve body; The control accuracy of poppet body reduces manufacture cost.
To achieve these goals, provide a kind of automobile, comprised bottle and bottle cap, it is characterized in that: the circular groove that also comprises the neck lower end that is enclosed in bottle with water storage bottle pressure release flow guide structure; Said bottle cap is divided into enclosing cover and capping plug, and a bottle cap inner chamber body is arranged at the capping plug center, and air inlet and exhaust valve is installed in it; In said enclosing cover set inside the passage that initiatively loses heart is arranged, the one of which end connects the bottle cap inner chamber body, and the other end extends in the circular groove; Neck stage casing at said bottle is provided with manual bleeder port.
On said bottle, be provided with guiding gutter, the upper end-hole and the circular groove of this guiding gutter connect, and its lower end mouth is positioned at bottle body bottom and then is communicated with ambient atmosphere.
Said bottle cap inner chamber body is a shoulder hole, and exhaust valve spring, outlet valve, suction valve and inlet valve spring are installed in the bottle cap inner chamber body from top to bottom successively; Said shoulder hole is divided into three grades; Its internal diameter successively decreases from top to bottom successively, and the upper end of said exhaust valve spring contacts with the enclosing cover inside top surface, and its lower end is supported on the outlet valve; The lower end surface of said outlet valve under the elastic force effect of exhaust valve spring with first order step contact matching; The upper end of said inlet valve spring contacts with suction valve, and its lower end is supported on the third level step, and suction valve is under the elastic force effect of inlet valve spring; Upper-end surface and outlet valve lower end surface contact matching, lower end surface and second level step contact matching.Have vent on the said outlet valve, when outlet valve does not contact with suction valve, be communicated with first order shoulder hole and second level shoulder hole.
The upper end of said suction valve is provided with the stroke pin of diameter less than this vent diameter, and the trip pin inserts in the vent.
Have air inlet duct on the step of the said second level, this air inlet duct is communicated with second step hole and bottle.
Said enclosing cover inside top surface has first spring groove with the channel connection that initiatively loses heart, and the lower end of said outlet valve is provided with fourth stage step, and the upper end of said exhaust valve spring is positioned at first spring groove, and its lower end is supported on the fourth stage step of outlet valve.
Have second spring groove on said the 3rd step, said suction valve upper end is provided with the 5th step, and the upper end of said inlet valve spring contacts with the 5th step of suction valve, and its lower end is supported in second spring groove.
Have annular seal groove at the capping plug outer side surface, be provided with the ring-shaped rubber seal ring in this annular seal groove.
Automobile of the present invention owing to adopted the initiatively design of pressure release passage, circular groove and guiding gutter, can not pollute the high pressure liquid-vapor mixture with water storage bottle pressure release flow guide structure on the one hand in splash to the bottle outside; Be provided with manual relief hole on the other hand, thereby bottle mesohigh cooling liquid can quick pressure releasing when opening water storage bottle in violation operation or because of other reasons, has avoided personal injury.Simultaneously, the present invention merges into an integral body with vacuum valve and dropping valve, has saved the space of bottle cap effectively; Valve volume is increased accordingly; Pressure control is stable, makes valve can accurately and timely control the pressure in the bottle, has promoted the control accuracy of valve body; And reduced the manufacture difficulty of valve body, reduced manufacture cost.
Description of drawings
Fig. 1 is that automobile according to the invention is with water storage bottle pressure release flow guide structure schematic representation;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is an active pressure leak process schematic representation of the present invention;
Fig. 4 is a manual pressure leak process schematic representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
Like Fig. 1, shown in Figure 2, a kind of automobile comprises bottle 1 and bottle cap 2 with water storage bottle pressure release flow guide structure, also comprises the circular groove 3 of the neck lower end that is enclosed in bottle 1, and this circular groove plays the effect of converging the HTHP liquid-vapor mixture.Said bottle cap 2 is divided into enclosing cover 2a and capping plug 2b, at capping plug 2b center one bottle cap inner chamber body 8 is arranged, and air inlet and the exhaust of air inlet and exhaust valve to control engine-cooling system respectively is installed in it.In said enclosing cover 2 set inside the passage 9 that initiatively loses heart is arranged, the one of which end connects bottle cap inner chamber body 8, and the other end extends in the circular groove 3; Be provided with manual bleeder port 5 in the neck stage casing of said bottle 1.When bottle cap 2 moves up and down, the distance A of the inner port upper edge of this manual bleeder port 5 and capping plug 2b bottom profile preferably equal its external port upper edge and enclosing cover 2a bottom profile apart from B.
Like Fig. 1, shown in Figure 2, on said bottle 1, be provided with guiding gutter 4, the upper end-hole of this guiding gutter 4 and circular groove 3 connect, and its lower end mouth is positioned at bottle 1 bottom and then is communicated with ambient atmosphere.Like this, when the HTHP liquid-vapor mixture converges to circular groove through initiatively lose heart passage or manual bleeder port, can be guided to the bottle lower end through guiding gutter and reserve, reduce the splash pollution.
As shown in Figure 2; Said bottle cap inner chamber body 8 is a shoulder hole, and exhaust valve spring 7a, outlet valve 7, suction valve 6 and inlet valve spring 6a are installed in this bottle cap inner chamber body 8 from top to bottom successively, and the form of air inlet and exhaust valve two valves unification is placed in the space; The limited bottle cap space of having practiced thrift; Make valve volume to increase, pressure stability makes valve can accurately and timely control the pressure in the bottle.Said shoulder hole is divided into three grades; Its internal diameter successively decreases from top to bottom successively, and the upper end of said exhaust valve spring 7a contacts with enclosing cover 2a inside top surface, and its lower end is supported on the outlet valve 7; The lower end surface of said outlet valve 7 under the elastic force effect of exhaust valve spring 7a with first order step 8a contact matching; The upper end of said inlet valve spring 6a contacts with suction valve 6, and its lower end is supported on the third level step 8c, and suction valve 6 is under the elastic force effect of inlet valve spring 6a; Upper-end surface and outlet valve 7 lower end surface contact matching, lower end surface and second level step 8b contact matching.Have vent 10 on the said outlet valve, when outlet valve does not contact with suction valve, be communicated with first order shoulder hole and second level shoulder hole.
The upper end of said suction valve 6 is provided with the stroke pin 6c of diameter less than these vent 10 diameters, and the trip pin inserts in the vent 10.
Have air inlet duct on the said second level step 8b, this air inlet duct is communicated with second step hole and bottle 1.
Said enclosing cover 2a inside top surface has the first spring groove 8d that is communicated with the passage 9 that initiatively loses heart, to settle spring; The lower end of said outlet valve 7 is provided with fourth stage step 7b, and the upper end of said exhaust valve spring 7a is positioned at first spring groove, and its lower end is supported on the fourth stage step 7b of outlet valve.
Have the second spring groove 8e on said the 3rd step 8c, said suction valve 6 upper ends are provided with the 5th step 6b, and the upper end of said inlet valve spring 6a contacts with the 5th step of suction valve, and its lower end is supported in second spring groove.
In order to make the present invention have sealability preferably, have circular groove 2c at capping plug 2b outer side surface, be provided with ring-shaped rubber seal ring 11 in this circular groove.
Active pressure leak process of the present invention:
As shown in Figure 3; When engine start after a period of time; The cooling system internal pressure constantly increases; Surpass the abutment pressure of drain tap spring 7a and the difference of the abutment pressure of air intake valve spring 6a when the water storage bottle internal pressure, drain tap 7 and air intake valve 6 are together by up promotion, and drain tap 7 is opened; HTHP liquid-vapor mixture in the water storage bottle gets into the bottle cap inner chamber body 8 of bottle cap 2, enters in the circular groove 3 through the passage 9 that initiatively loses heart then and converges, and is guided to the bottle lower end through guiding gutter 4 at last, flows to extraneous.
Manual pressure leak process of the present invention:
As shown in Figure 4; When water storage bottle inside is in high pressure, need manual quick pressure releasing or other reasons, in the time of bottle cap 2 need being opened; Back-outing bottle cap 2 makes it no longer block the position of manual bleeder port 5 ports; The inner HTHP liquid-vapor mixture of water storage bottle overflows from manual bleeder port 5 fast, converges through circular groove 3, is discharged to the external world through guiding gutter 4 at last.Simultaneously; When violation operation twisting bottle cap 2; Before turning round lower bottle cap 2 fully; The HTHP liquid-vapor mixture has passed through the aforementioned process quick pressure releasing in the water storage bottle, avoid bottle cap 2 under high-pressure situations, to pop suddenly or the HTHP liquid-vapor mixture spurt out suddenly cause injure, human injury such as scald.

Claims (8)

1. an automobile comprises bottle (1) and bottle cap (2) with water storage bottle pressure release flow guide structure, it is characterized in that: the circular groove (3) that also comprises the neck lower end that is enclosed in bottle (1); Said bottle cap (2) is divided into enclosing cover (2a) and capping plug (2b), and the bottle cap inner chamber body (8) that is communicated with bottle (1) is arranged at capping plug (2b) center, and air inlet and exhaust valve is installed in it; In said enclosing cover (2) set inside the passage that initiatively loses heart (9) is arranged, the one of which end connects bottle cap inner chamber body (8), and the other end extends in the circular groove (3); Be provided with manual bleeder port (5) in the neck stage casing of said bottle (1).
2. automobile according to claim 1 is with water storage bottle pressure release flow guide structure; It is characterized in that: on said bottle (1), be provided with guiding gutter (4); Upper end-hole of this guiding gutter (4) and circular groove (3) connect, and its lower end mouth is positioned at bottle (1) bottom and then is communicated with ambient atmosphere.
3. automobile according to claim 1 and 2 is with water storage bottle pressure release flow guide structure; It is characterized in that: said bottle cap inner chamber body (8) is shoulder hole, and exhaust valve spring (7a), outlet valve (7), suction valve (6) and inlet valve spring (6a) are installed in bottle cap inner chamber body (8) from top to bottom successively; Said shoulder hole is divided into three grades; Its internal diameter successively decreases from top to bottom successively, and the upper end of said exhaust valve spring (7a) contacts with enclosing cover (2a) inside top surface, and its lower end is supported on the outlet valve (7); The lower end surface of said outlet valve (7) under the elastic force effect of exhaust valve spring (7a) with first order step (8a) contact matching; The upper end of said inlet valve spring (6a) contacts with suction valve (6), and its lower end is supported on the third level step (8c), and suction valve (6) is under the elastic force effect of inlet valve spring (6a); Upper-end surface and outlet valve (7) lower end surface contact matching, lower end surface and second level step (8b) contact matching; Have vent (10) on the said outlet valve, when outlet valve does not contact with suction valve, be communicated with first order shoulder hole and second level shoulder hole.
4. automobile according to claim 3 is characterized in that with water storage bottle pressure release flow guide structure: the upper end of said suction valve (6) is provided with the stroke pin (6c) of diameter less than this vent (10) diameter, and the trip pin inserts in the vent.
5. automobile according to claim 3 is characterized in that with water storage bottle pressure release flow guide structure: have air inlet duct on the said second level step (8b), this air inlet duct is communicated with second step hole and bottle (1).
6. automobile according to claim 3 is with water storage bottle pressure release flow guide structure; It is characterized in that: said enclosing cover (2a) inside top surface has first spring groove (8d) that is communicated with the passage that initiatively loses heart (9); The lower end of said outlet valve (7) is provided with fourth stage step (7b); The upper end of said exhaust valve spring (7a) is positioned at first spring groove, and its lower end is supported on the fourth stage step (7b) of outlet valve.
7. automobile according to claim 3 is with water storage bottle pressure release flow guide structure; It is characterized in that: have second spring groove (8e) on said the 3rd step (8c); Said suction valve (6) upper end is provided with the 5th step (6b); The upper end of said inlet valve spring (6a) contacts with the 5th step of suction valve, and its lower end is supported in second spring groove.
8. automobile according to claim 1 and 2 is characterized in that with water storage bottle pressure release flow guide structure: have annular seal groove (2c) at capping plug (2b) outer side surface, be provided with ring-shaped rubber seal ring (11) in this annular seal groove.
CN201210152794.4A 2012-05-17 2012-05-17 A kind of automobile water storage bottle pressure-relief flow guide structure Expired - Fee Related CN102654077B (en)

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Application Number Priority Date Filing Date Title
CN201210152794.4A CN102654077B (en) 2012-05-17 2012-05-17 A kind of automobile water storage bottle pressure-relief flow guide structure

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Application Number Priority Date Filing Date Title
CN201210152794.4A CN102654077B (en) 2012-05-17 2012-05-17 A kind of automobile water storage bottle pressure-relief flow guide structure

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CN102654077B CN102654077B (en) 2016-03-02

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5522456A (en) * 1994-06-22 1996-06-04 Geiger Technic, Inc. Overflow with threaded plastic fillneck for surge tanks and overflow reservoirs
US6390318B1 (en) * 1999-07-14 2002-05-21 Denso Corporation Sealed container
CN201106481Y (en) * 2007-11-15 2008-08-27 南京金城机械有限公司 Radiator expansion water tank lid
CN101451462A (en) * 2007-11-29 2009-06-10 周才扬 Safety water tank cover of vehicle
CN202144760U (en) * 2011-06-20 2012-02-15 奇瑞汽车股份有限公司 Expansion tank for automobile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5522456A (en) * 1994-06-22 1996-06-04 Geiger Technic, Inc. Overflow with threaded plastic fillneck for surge tanks and overflow reservoirs
US6390318B1 (en) * 1999-07-14 2002-05-21 Denso Corporation Sealed container
CN201106481Y (en) * 2007-11-15 2008-08-27 南京金城机械有限公司 Radiator expansion water tank lid
CN101451462A (en) * 2007-11-29 2009-06-10 周才扬 Safety water tank cover of vehicle
CN202144760U (en) * 2011-06-20 2012-02-15 奇瑞汽车股份有限公司 Expansion tank for automobile

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