CN203879610U - Expansion box for automobile - Google Patents
Expansion box for automobile Download PDFInfo
- Publication number
- CN203879610U CN203879610U CN201420274955.1U CN201420274955U CN203879610U CN 203879610 U CN203879610 U CN 203879610U CN 201420274955 U CN201420274955 U CN 201420274955U CN 203879610 U CN203879610 U CN 203879610U
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- Prior art keywords
- expansion tank
- liquid pipeline
- way valve
- cooling liquid
- expansion box
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- 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 - Fee Related
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Abstract
The utility model discloses an expansion box for an automobile. The expansion box comprises a main expansion box and an auxiliary expansion box. The main expansion box and the auxiliary expansion box are communicated and connected through a gas-liquid pipeline and a cooling liquid pipeline, the end of the gas-liquid pipeline and the end of the cooling liquid pipeline respectively stretch to the portion below the liquid level of cooling liquid of the auxiliary expansion box, a first one-way valve and a second one-way valve are arranged on the gas-liquid pipeline and the cooling liquid pipeline respectively, the communication direction of the one-way valve is from the main expansion box to the auxiliary expansion box, and the communication direction of the second one-way valve is from the auxiliary expansion box to the main expansion box. The expansion box of the structure is simple in structure and low in production cost, an overflowing cooling liquid-vapor mixture can be effectively recovered, and the cooling liquid is reversely fed back into the main expansion box under the action of barometric pressure.
Description
Technical field
The utility model relates to auto parts machinery field, is specifically related to a kind of expansion tank used for automobile.
Background technique
Expansion tank used for automobile, is the vitals in the system of cooling water car road, for regulating the water yield in engine water tank, preventing that refrigeration system from entering air and improving engine water pump water inlet static pressure to avoid producing cavitation erosion.Automobile expansion tank is a coolant reservoir in engine-cooling system, is commonly called as secondary water tank.The refrigeration exhaust that expansion tank is cooling system, coolant diffusion and contraction provide storage area.Expansion tank, as a part for cooling system, is participated in cool cycles directly, covers the pressure vacuum combination brake switch and proporting of setting by expansion tank, high pressure gas, low pressure tonifying Qi, makes to keep a relatively constant pressure in cooling system, strong in the smooth running of motor car engine.Meanwhile, because whole system has formed closed-loop system, avoid leaking and evaporating of cooling liquid, played obvious energy-saving and environmental protection effect.The expansion tank using at present generally comprises main expansion tank, secondary expansion tank, on main expansion tank, pressure cover is set, between the lid chamber of main expansion tank, secondary expansion tank and pressure cover, form and on gas-liquid path, be provided with pressure vacuum combination brake switch and proporting, when the pressure valve port of pressure vacuum combination brake switch and proporting is opened, the autonomous expansion tank of liquid phase flows to secondary expansion tank, and when the vacuum valve port of pressure vacuum combination brake switch and proporting is opened, cooling liquid flows to main expansion tank from secondary expansion tank.Although the expansion tank of this structural design can effectively reclaim the cooling liquid vapour mixture overflowing and by cooling liquid counter refilling in main expansion tank under atmospheric pressure.But, the complex structure of pressure vacuum valve, processing difficulties, the cost of production of expansion tank is high.Exception, repaiies inspection or other personal factors in expansion, easily makes foreign material enter expansion tank, causes all inconvenience.
Model utility content
The purpose of this utility model is to provide a kind of expansion tank used for automobile, and it can effectively address the above problem, and it is simple in structure, and cost of production is low.
For achieving the above object, the utility model adopts following technological scheme to implement:
A kind of expansion tank used for automobile, it is characterized in that: comprise main expansion tank, secondary expansion tank, between major and minor expansion tank respectively by the connection that is connected of gas-liquid pipeline, cooling liquid pipeline, the end of gas-liquid pipeline, cooling liquid pipeline extends to respectively below the cooling-liquid level of secondary expansion tank, on gas-liquid pipeline, cooling liquid pipeline, first and second one-way valve is set respectively, the conducting direction of the first one-way valve flows to secondary expansion tank by main expansion tank, and the conducting direction of the second one-way valve flows to main expansion tank by secondary expansion tank.
Concrete scheme is:
The bottom of main expansion tank is provided with for connecting the titting water outlet of water pump, major and minor expansion tank is that the vertical shape baffle for separating arranging in a casing forms, titting water outlet is positioned at away from secondary expansion tank one side, in main expansion tank, titting water outlet place is provided with the baffle plate that a vertical shape is arranged, the inner bottom surface of main expansion tank is to be the arc shaped surface of skewed layout and larger near the interior ground level of drop tank one side, and dividing plate to the main expansion tank inner bottom surface lowest part between secondary expansion tank arranges a sewage draining exit.
The bottom that main expansion tank is set is extended in the outlet of cooling liquid pipeline, and the flow direction at coolant pipe way outlet place points to titting water outlet one side by secondary expansion tank.
On main expansion tank, pressure cover is set, the first one-way valve is set on pressure cover, the connecting tube arranging between pressure cover inner chamber and pressure cover and secondary expansion tank forms gas-liquid pipeline, the first one-way valve comprises the spool of inverted T-shaped, valve seat, valve seat is that the inverted cylindrical shell of closing in shape forms, the bucket end of cylindrical shell, forms slide-and-guide with bucket wall along the dark direction of bucket and coordinates, between the bucket end and spool, Compress Spring is set, on pressure cover, be provided with the screw mandrel coordinating with its formation feed screw nut, screw mandrel extends to pressure cover outer installment operation unit, the end that screw mandrel extends to pressure cover inside arranges connecting rod, between connecting rod and screw mandrel, form to be rotationally connected and coordinate, the lower end of connecting rod was connected as a single entity with the bucket end, connecting rod, screw mandrel axially consistent.
The expansion tank of said structure, it is simple in structure, at the bottom of cost of production, and can effectively the cooling liquid vapour mixture overflowing be reclaimed and by cooling liquid counter refilling in main expansion tank under atmospheric pressure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of pressure cover.
Embodiment
In order to make the purpose of this utility model and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.It should be pointed out that for those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
The technological scheme that the utility model is taked is, as shown in Figure 1, a kind of expansion tank used for automobile, comprise main expansion tank 11, secondary expansion tank 12, main, secondary expansion tank 11, between 12, pass through respectively gas-liquid pipeline 13, cooling liquid pipeline 14 connection that is connected, gas-liquid pipeline 13, the end of cooling liquid pipeline 14 extends to respectively below the cooling-liquid level of secondary expansion tank 12, gas-liquid pipeline 13, on cooling liquid pipeline 14, arrange respectively first, two one-way valves 15, 16, the conducting direction of the first one-way valve 15 flows to secondary expansion tank 12 by main expansion tank 11, the conducting direction of the second one-way valve 16 flows to main expansion tank 11 by secondary expansion tank 12.By gas-liquid pipeline 13, cooling liquid pipeline 14 being set respectively and first and second one-way valve 15,16 being set thereon, avoid like this, in traditional scheme, complicated pressure vacuum valve to be set on pressure cover 17, the structure of simplifying expansion tank, reduces production costs, and improves its reliability of operation.First and second one-way valve 15,16 can be common one-way valve, and the condition of first and second one-way valve 15,16 one-way conductions should meet the related request of expansion tank, and the one-way valve that can choose respective performances according to the designing requirement of expansion tank carries out Matching installation.
More specifically scheme is, the bottom of main expansion tank 11 is provided with for connecting the titting water outlet 111 of water pump, major and minor expansion tank 12 is that the vertical shape baffle for separating arranging in a casing forms, titting water outlet 111 is positioned at away from secondary expansion tank 12 1 sides, the interior titting water outlet of main expansion tank 11 111 places are provided with the baffle plate that a vertical shape is arranged, the inner bottom surface of main expansion tank 11 is to be the arc shaped surface of skewed layout and larger near the interior ground level of drop tank one side, and dividing plate to the main expansion tank 11 inner bottom surface lowest parts between secondary expansion tank 12 arrange a sewage draining exit 112.The bottom that main expansion tank 11 is set is extended in the outlet of cooling liquid pipeline 14, and the flow direction in cooling liquid pipeline 14 outlet ports points to titting water outlet 111 1 sides by secondary expansion tank 12.The design of said structure, it is mainly the discharge of being convenient to exogenous impurity, the cooling liquid that cooling liquid pipeline 14 enters can promote impurity to sewage draining exit 112 1 side shiftings, and the impurity of introducing can both effectively be discharged, and avoids the accumulation of impurity to cause the performance of cooling system influenced.
On main expansion tank 11, pressure cover 17 is set, the first one-way valve 15 is set on pressure cover 17, the connecting tube arranging between pressure cover 17 inner chambers and pressure cover 17 and secondary expansion tank 12 forms gas-liquid pipeline 13, the first one-way valve 15 comprises the spool 151 of inverted T-shaped, valve seat 152, the inverted cylindrical shell that valve seat 152 is closing in shape forms, the bucket end 15a of cylindrical shell forms slide-and-guide with bucket wall 15b along the dark direction of bucket and coordinates, between bucket end 15b and spool 151, Compress Spring 153 is set, on pressure cover, be provided with the screw mandrel 154 coordinating with its formation feed screw nut, screw mandrel 154 extends to pressure cover 17 outer installment operation units 156, the end that screw mandrel 154 extends to pressure cover 17 inside arranges connecting rod 155, between connecting rod 155 and screw mandrel 154, form to be rotationally connected and coordinate, the lower end of connecting rod 154 is connected as a single entity with bucket end 15b, connecting rod 155, screw mandrel 154 axially consistent.The first one-way valve 15 of said structure, by rotary screw rod 154, regulate the decrement of Compress Spring 153, conducting pressure to the first one-way valve 15 regulates, and to adapt to the needs of different automobile types, can make to form to be rotationally connected between connecting rod 155 and screw mandrel 154 to coordinate by little bearing is set.
In a word, the expansion tank that the utility model provides, it is simple in structure, at the bottom of cost of production, and can effectively the cooling liquid vapour mixture overflowing be reclaimed and by cooling liquid counter refilling in main expansion tank under atmospheric pressure.
Claims (4)
1. an expansion tank used for automobile, it is characterized in that: comprise main expansion tank, secondary expansion tank, between major and minor expansion tank respectively by the connection that is connected of gas-liquid pipeline, cooling liquid pipeline, the end of gas-liquid pipeline, cooling liquid pipeline extends to respectively below the cooling-liquid level of secondary expansion tank, on gas-liquid pipeline, cooling liquid pipeline, first and second one-way valve is set respectively, the conducting direction of the first one-way valve flows to secondary expansion tank by main expansion tank, and the conducting direction of the second one-way valve flows to main expansion tank by secondary expansion tank.
2. expansion tank used for automobile as claimed in claim 1, it is characterized in that: the bottom of main expansion tank is provided with for connecting the titting water outlet of water pump, major and minor expansion tank is that the vertical shape baffle for separating arranging in a casing forms, titting water outlet is positioned at away from secondary expansion tank one side, in main expansion tank, titting water outlet place is provided with the baffle plate that a vertical shape is arranged, the inner bottom surface of main expansion tank is to be the arc shaped surface of skewed layout and larger near the interior ground level of drop tank one side, and dividing plate to the main expansion tank inner bottom surface lowest part between secondary expansion tank arranges a sewage draining exit.
3. expansion tank used for automobile as claimed in claim 2, it is characterized in that: the bottom that main expansion tank is set is extended in the outlet of cooling liquid pipeline, and the flow direction at coolant pipe way outlet place points to titting water outlet one side by secondary expansion tank.
4. the expansion tank used for automobile as described in claim 1 or 2 or 3, it is characterized in that: on main expansion tank, pressure cover is set, the first one-way valve is set on pressure cover, the connecting tube arranging between pressure cover inner chamber and pressure cover and secondary expansion tank forms gas-liquid pipeline, the first one-way valve comprises the spool of inverted T-shaped, valve seat, valve seat is that the inverted cylindrical shell of closing in shape forms, the bucket end of cylindrical shell, forms slide-and-guide with bucket wall along the dark direction of bucket and coordinates, between the bucket end and spool, Compress Spring is set, on pressure cover, be provided with the screw mandrel coordinating with its formation feed screw nut, screw mandrel extends to pressure cover outer installment operation unit, the end that screw mandrel extends to pressure cover inside arranges connecting rod, between connecting rod and screw mandrel, form to be rotationally connected and coordinate, the lower end of connecting rod was connected as a single entity with the bucket end, connecting rod, screw mandrel axially consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274955.1U CN203879610U (en) | 2014-05-25 | 2014-05-25 | Expansion box for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274955.1U CN203879610U (en) | 2014-05-25 | 2014-05-25 | Expansion box for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879610U true CN203879610U (en) | 2014-10-15 |
Family
ID=51680116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420274955.1U Expired - Fee Related CN203879610U (en) | 2014-05-25 | 2014-05-25 | Expansion box for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879610U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533597A (en) * | 2014-12-26 | 2015-04-22 | 无锡博利达换热器有限公司 | Inter-cooling and water-cooling integrated heat exchanger |
| CN107954074A (en) * | 2017-12-15 | 2018-04-24 | 上海重塑能源科技有限公司 | A kind of new fuel cell heat management system expansion drum |
| CN111102631A (en) * | 2018-10-29 | 2020-05-05 | 宁波方太厨具有限公司 | Expansion tank and dual-purpose furnace applying same |
| CN111868363A (en) * | 2018-03-14 | 2020-10-30 | 株式会社电装 | Water storage tank device and cooling system |
-
2014
- 2014-05-25 CN CN201420274955.1U patent/CN203879610U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533597A (en) * | 2014-12-26 | 2015-04-22 | 无锡博利达换热器有限公司 | Inter-cooling and water-cooling integrated heat exchanger |
| CN107954074A (en) * | 2017-12-15 | 2018-04-24 | 上海重塑能源科技有限公司 | A kind of new fuel cell heat management system expansion drum |
| CN107954074B (en) * | 2017-12-15 | 2024-01-19 | 上海重塑能源科技有限公司 | Novel expansion tank of fuel cell thermal management system |
| CN111868363A (en) * | 2018-03-14 | 2020-10-30 | 株式会社电装 | Water storage tank device and cooling system |
| CN111102631A (en) * | 2018-10-29 | 2020-05-05 | 宁波方太厨具有限公司 | Expansion tank and dual-purpose furnace applying same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20190525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |