CN202144760U - Expansion tank for automobile - Google Patents
Expansion tank for automobile Download PDFInfo
- Publication number
- CN202144760U CN202144760U CN201120207990U CN201120207990U CN202144760U CN 202144760 U CN202144760 U CN 202144760U CN 201120207990 U CN201120207990 U CN 201120207990U CN 201120207990 U CN201120207990 U CN 201120207990U CN 202144760 U CN202144760 U CN 202144760U
- Authority
- CN
- China
- Prior art keywords
- expansion tank
- seat frame
- valve seat
- cooling liquid
- outer ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000110 cooling liquid Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims description 12
- 210000005069 ears Anatomy 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 16
- 238000001816 cooling Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 7
- 238000007872 degassing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 235000014171 carbonated beverage Nutrition 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses an expansion tank for an automobile, comprising an expansion tank body formed by connection of an upper tank body and a lower tank body, the upper tank is provided with a charging opening, the charging opening is provided with an inner ring boss and an outer ring boss, and a ring groove is disposed between the inner ring boss and the outer ring boss, the expansion tank for an automobile also comprises a pressure cover covers the charging opening, the pressure cover is provided with a valve seat frame, the top inner wall of the valve seat frame and the pressure cover is provided with a cavity communicated with the ring groove, the lower end surface of the valve seat frame is in a press-in sealing with the inner ring boss, the external side of the outer ring boss is provided with a flow guiding groove guiding cooling liquid in the ring groove out to a flow guiding column, the valve seat frame is provided with a pressure valve and a check valve. By employing the above structure, the expansion tank for an automobile is advantageous in that: 1. a water collecting tank collects the sprayed cooling liquid, and guides the cooling liquid to the ground, preventing smudginess of a front cabin member; and 2. a baffle plate blocks and guides the cooling liquid, preventing the cooling liquid from being directly sprayed on the wall surface of the expansion tank.
Description
Technical field
The utility model relates to a kind of automobile expansion tank.
Background technique
The expansion tank assembly is an important spare part indispensable on the Hyundai Motor.Its cooling liquid that acts in the promising automobile cooling system provides enough expansion spaces.Also have cooling system pressure, moisturizing, the effect of degasification regulated simultaneously concurrently.
Behind engine start, the cooling system operating temperature raises gradually, and the cooling liquid volume expands, and pressure raises.Expansion tank is that cooling liquid provides enough expansion spaces.When system's internal pressure was increased to certain setting value, the unlatching of pressure valve in time was a system decompression, has effectively protected the system zero parts.When engine misses are placed in the cold environment, cooling liquid is shunk, and negative pressure may appear in system, and when negative pressure reached certain setting value, vacuum valve was opened.To expansion tank tonifying Qi (or liquid), prevent the risk that the system zero parts are suppressed by suction.
During the cooling liquid filling, give engine water jacket and water tank degasification, promote the filling rate through the gas removing pipe on the expansion tank.In the engine operation process, the cooling liquid gas mixture that sprays from gas removing pipe roughly is the parabolic shape free-falling, and liquid gas separates in the process of landing.Effectively remove the air bound in the system, improved cooling effectiveness.
The cooling liquid of spraying during expansion tank upward pressure opening of valves is common freely is scattered, and causes on can the component to the car front deck dirty.When if preceding hatchcover is in open mode, also can to around the personnel that stand cause danger.The high temperature coolant of degasification branch road ejection generally is freely to leave in the expansion tank, and cooling liquid is prone to be sprayed onto on the expansion tank wall.Be sprayed onto for a long time on the expansion tank wall, be prone to cause the aging transparency of casing to reduce.Be difficult for observing the cooling liquid liquid level.
The model utility content
The utility model technical problem to be solved is to the deficiency of existing technology, a kind of cooling liquid of sprinkling and automobile expansion tank of water conservancy diversion collected to be provided.
For solving the problems of the technologies described above, the technological scheme of the utility model is: a kind of automobile expansion tank comprises the expansion casing that is connected and composed by upper box and lower box; Described upper box is provided with filler; Annular boss and outer ring boss formed circular groove between interior annular boss and the outer ring boss in described filler was provided with, and described automobile expansion tank also comprises the pressure cover that covers on filler; Described pressure cover is provided with the valve seat frame; The valve seat frame forms the cavity that is communicated with circular groove with the pressure cover top inner wall, the lower end surface of described valve seat frame and interior annular boss pressing sealing, and the outer ring boss outside is provided with the guiding gutter that cooling liquid in the circular groove is exported to diversion column; Described valve seat frame is provided with pressure valve, and the valve seat frame is provided with safety check.
Described outer ring boss is provided with through hole, and described guiding gutter one end is connected with circular groove through this through hole, and the other end is connected to diversion column, and its joint is an arc-shaped transition.
Described upper box is provided with gas removing pipe, is provided with the baffle plate that places gas removing pipe other in the described upper box.
Described lower box bottom is provided with water outlet.
Described safety check is the bowl flap valve, is connected and composed by bowl-shape rubber parts and bayonet lock, and described bowl-shape rubber parts is provided with and passes the newel that the valve seat frame is provided with, and the lower end surface that the bowl-shape periphery of described bowl-shape rubber parts is close to the valve seat frame is provided with.
Described lower box bottom is provided with installs foundation and fixedly picks up the ears.
Described outer ring boss inboard is provided with internal thread, and described pressure cover bottom is provided with the outside thread that matches with internal thread.
The utility model adopts said structure, has the following advantages: 1, collecting annulus is set on expansion tank, the cooling liquid that sprays is collected, and pass through diversion Design.The cooling liquid water conservancy diversion to ground, is avoided the dirty of front deck spare; 2, baffle plate stops cooling liquid and water conservancy diversion, avoids cooling liquid directly to be sprayed onto on the expansion tank wall.Be more conducive to the separation of carbonated drink simultaneously; 3, vacuum valve adopts the bowl flap valve, and simplicity of design realizes easily; 4, filler adopts little enlarging design, makes filling more convenient.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation;
Fig. 1 is the sectional structure chart of the utility model;
Fig. 2 is the profile front view of the utility model;
Fig. 3 is the right elevation of Fig. 2 in the utility model;
Fig. 4 is the left view of Fig. 2 in the utility model;
Fig. 5 is the plan view of Fig. 2 in the utility model;
Fig. 6 is the horizontal section structural drawing of upper box in the utility model;
Fig. 7 is the sectional structure chart during closure of check ring in the utility model;
Fig. 8 is the sectional structure chart during the non-return opening of valves in the utility model;
In Fig. 1～Fig. 6,1, upper box; 2, lower box; 3, interior annular boss; 4, outer ring boss; 5, circular groove; 6, pressure cover; 7, valve seat frame; 8, diversion column; 9, guiding gutter; 10, pressure valve; 11, safety check; 12, gas removing pipe; 13, baffle plate; 14, water outlet; 15, foundation is installed; 16, fixedly pick up the ears.
Embodiment
Like Fig. 1～a kind of automobile expansion tank shown in Figure 8, comprise the expansion casing that connects and composes by upper box 1 and lower box 2, upper box 1 and lower box 2 are connected together through hot plate welding.Upper box 1 is provided with filler, and annular boss 3 and outer ring boss 4 in filler is provided with form circular groove 5 between interior annular boss 3 and the outer ring boss 4, and interior annular boss 3 inboards communicate with expansion tank inside.Filler is designed to little enlarging design, and cooling liquid is difficult for outer spilling when making filling, accelerates the filling time.
The automobile expansion tank also comprises the pressure cover 6 that covers on filler; Pressure cover 6 is provided with valve seat frame 7; Valve seat frame 7 forms the cavity that is communicated with circular groove with pressure cover 6 top inner wall, the lower end surface of valve seat frame 7 and interior annular boss 3 pressings sealing, and outer ring boss 4 outsides are provided with the guiding gutter 9 that cooling liquid in the circular groove is exported to diversion column 8; Valve seat frame 7 is provided with pressure valve 10, and valve seat frame 7 is provided with safety check 11.Outer ring boss 4 inboards are provided with internal thread, and pressure cover 6 bottoms are provided with the outside thread that matches with internal thread.Pressure cover 6 is through after the screwed, and the lower end surface of valve seat frame 7 and interior annular boss 3 pressings sealing make engine-cooling system form the space of a sealing.
When the expansion tank internal pressure rose to certain value, when pressure valve 10 was opened, cooling liquid sprayed out from pressure valve, through the opening from valve seat frame 7 sides, was pooled to water filling hole circular groove on every side then, and cooling liquid is collected.Cooling liquid flows through the guiding gutter 9 of through hole to the outside, flows on the ground along diversion column at last.
Temperature descends in cooling system, when pressure reduces.Negative pressure might occur, when negative pressure reached certain value, safety check 11 was opened.Ambient air is washed a bowl type rubber parts open, gets into cooling system, and cooling system pressure in time is compensated.When cooling liquid inside was malleation, the lower end surface of valve seat frame, the good sealing of maintenance cooling system were close in the bowl type limit of bowl type rubber parts under the effect of itself elastic potential energy and system pressure.
Cooling liquid is from water outlet 14 inflow engine water jackets and radiator during filling.During the motor operation,, after the carbonated drink separation, flow back to motor, form circulation loop through this water outlet from the cooling liquid of gas removing pipe inflow expansion tank.The expansion tank assembly tentatively is fixed on the body support by foundation is installed, and fixedly picks up the ears through two with bolt then, and expansion tank is completely fixed on the vehicle body.
Owing to can inevitably have some gases in the engine-cooling system,, can impact to the engine cooling performance like degasification in time.Generally the peak setting of the hydroecium of meeting in engine water jacket and radiator removes gas port, and the cooling liquid that a part is contained gas is received respectively on the expansion tank gas removing pipe through connecting tube.The degasification mouth of pipe has certain height apart from the highest liquid level face in the expansion tank.So the cooling liquid gas mixture is in the process of landing, liquid is so incensed that separation.
Owing to around the inboard degasification mouth of pipe of upper box, be provided with baffle plate 13.The effect of barrier plate has: on the one hand can stop and conflux spraying cooling liquid to tank wall, avoid high temperature coolant to be sprayed onto tank wall for a long time, cause the tank wall weather stain, the casing transparency reduces, and hinders the observation of cooling liquid level; Bubble in the cooling liquid is broken in the knockout process of cooling liquid and barrier plate, promote the effect that liquid gas separates.
Combine accompanying drawing that the utility model has been carried out exemplary description above; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as the various improvement of having adopted the technological scheme of the utility model to carry out; Or directly apply to other occasion without improvement, all within the protection domain of the utility model.
Claims (7)
1. automobile expansion tank; Comprise the expansion casing that is connected and composed by upper box (1) and lower box (2), it is characterized in that: described upper box (1) is provided with filler, and described filler is provided with interior annular boss (3) and outer ring boss (4); Form circular groove (5) between interior annular boss (3) and the outer ring boss (4); Described automobile expansion tank also comprises the pressure cover (6) that covers on filler, and described pressure cover (6) is provided with valve seat frame (7), and valve seat frame (7) forms the cavity that is communicated with circular groove with pressure cover (6) top inner wall; The lower end surface of described valve seat frame (7) and interior annular boss (3) pressing sealing; Outer ring boss (4) outside is provided with the guiding gutter (9) that cooling liquid in the circular groove is exported to diversion column (8), and described valve seat frame (7) is provided with pressure valve (10), and valve seat frame (7) is provided with safety check (11).
2. a kind of automobile expansion tank according to claim 1; It is characterized in that: described outer ring boss (4) is provided with through hole; Described guiding gutter (9) one ends are connected with circular groove (5) through this through hole, and the other end is connected to diversion column, and its joint is an arc-shaped transition.
3. a kind of automobile expansion tank according to claim 1 is characterized in that: described upper box (1) is provided with gas removing pipe (12), is provided with the baffle plate (13) that places gas removing pipe other in the described upper box.
4. a kind of automobile expansion tank according to claim 1 is characterized in that: described lower box (2) bottom is provided with water outlet (14).
5. a kind of automobile expansion tank according to claim 1; It is characterized in that: described safety check (11) is the bowl flap valve; Connect and compose by bowl-shape rubber parts and bayonet lock; Described bowl-shape rubber parts is provided with and passes the newel that the valve seat frame is provided with, and the lower end surface that the bowl-shape periphery of described bowl-shape rubber parts is close to the valve seat frame is provided with.
6. a kind of automobile expansion tank according to claim 1 is characterized in that: described lower box (2) bottom is provided with installs foundation (15) and fixedly pick up the ears (16).
7. a kind of automobile expansion tank according to claim 1 is characterized in that: described outer ring boss (4) inboard is provided with internal thread, and described pressure cover (6) bottom is provided with the outside thread that matches with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120207990U CN202144760U (en) | 2011-06-20 | 2011-06-20 | Expansion tank for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120207990U CN202144760U (en) | 2011-06-20 | 2011-06-20 | Expansion tank for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202144760U true CN202144760U (en) | 2012-02-15 |
Family
ID=45580692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120207990U Expired - Lifetime CN202144760U (en) | 2011-06-20 | 2011-06-20 | Expansion tank for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202144760U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654077A (en) * | 2012-05-17 | 2012-09-05 | 重庆长安汽车股份有限公司 | Decompression and stream guidance structure of automobile water storage bottle |
| CN102654078A (en) * | 2012-05-18 | 2012-09-05 | 奇瑞汽车股份有限公司 | Automobile expansion box |
| CN105443229A (en) * | 2014-08-29 | 2016-03-30 | 杨春 | Gas removal and alarm device for cylinder jacket water of main unit |
| CN109278541A (en) * | 2018-11-14 | 2019-01-29 | 江阴万事兴汽车部件股份有限公司 | A kind of mounting structure of expansion tank |
-
2011
- 2011-06-20 CN CN201120207990U patent/CN202144760U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654077A (en) * | 2012-05-17 | 2012-09-05 | 重庆长安汽车股份有限公司 | Decompression and stream guidance structure of automobile water storage bottle |
| CN102654078A (en) * | 2012-05-18 | 2012-09-05 | 奇瑞汽车股份有限公司 | Automobile expansion box |
| CN105443229A (en) * | 2014-08-29 | 2016-03-30 | 杨春 | Gas removal and alarm device for cylinder jacket water of main unit |
| CN109278541A (en) * | 2018-11-14 | 2019-01-29 | 江阴万事兴汽车部件股份有限公司 | A kind of mounting structure of expansion tank |
| CN109278541B (en) * | 2018-11-14 | 2024-02-09 | 江阴万事兴汽车部件股份有限公司 | Mounting structure of expansion tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120215 |