CN203669985U - Engine water pump with thermostat chamber - Google Patents
Engine water pump with thermostat chamber Download PDFInfo
- Publication number
- CN203669985U CN203669985U CN201320696325.9U CN201320696325U CN203669985U CN 203669985 U CN203669985 U CN 203669985U CN 201320696325 U CN201320696325 U CN 201320696325U CN 203669985 U CN203669985 U CN 203669985U
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- water
- thermostat
- thermostat chamber
- engine
- water pump
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Abstract
The utility model relates to an engine water pump with a thermostat chamber. The engine water pump with the thermostat chamber comprises a water pump body and the thermostat chamber, wherein the water pump body comprises the thermostat chamber, a thermostat chamber water inlet, a water pump water inlet passage, a water pump water outlet, a minor cycle water inlet, a minor cycle passage and a minor cycle water outlet, a thermostat is installed in the thermostat chamber and comprises a main valve and a bypass valve, and a main valve seat is installed at the thermostat chamber water inlet. The engine water pump with the thermostat chamber is located at the junction of cold water and hot water, the starting temperature of the engine water pump is the temperature of cooling water for carrying out a minor cycle in an engine, and the stopping temperature of the engine water pump is the temperature of the water passing from a heat radiator to the thermostat and mixed with minor cycle water. The water quantity and range adjusted by the engine water pump are both small, the adjustment precision of the engine water pump is good, large fluctuation of water temperature of a cooling system inside the engine is avoided, and the engine operates stably.
Description
Technical field
The utility model relates to technical field of engines, especially relates to a kind of engine water pump that is provided with thermostat chamber.
Background technique
The main parts size that engine-cooling system comprises has water pump, thermostat, radiator and fan etc., the effect of water pump is that cooling water is circulated in system, and the thermostat of water-cooled engine, can motor be stabilized in certain temperature range and be worked, play vital effect.The mounting point of thermostat, affects the endless form of engine cooling water, thereby affects the performance of motor.Cooling water thermostat was all arranged on upper position of engine water outlet in the past, although arrange and be convenient to maintenance like this, was convenient to the discharge of air, but facts have proved that above-mentioned setting can make job insecurity during engine warm-up, and oil consumption is high, engine performance is degenerated, the wearing and tearing of booster engine.
This be because, during engine warm-up, be contained in the thermostat of water outlet of upper position of engine regulating when engine cooling water temperature, the amplitude of accommodation is larger, that is to say the water temperature big rise and fall of engine cooling water.When engine interior cooling water temperature reaches thermostat open temp, when the main valve of thermostat has just been opened, cooling water in radiator just pours in rapidly in the water jacket of cylinder block, and the water temperature in engine interior cooling system just declines suddenly, thereby the main valve of thermostat is closed again; Until the water temperature in engine interior cooling system raises while reaching thermostat open temp again, main valve in thermostat is opened once more, cooling water in radiator pours in the water jacket of cylinder block again, water temperature in engine interior cooling system is declined again suddenly, and the main valve of thermostat is closed again again.So repeatedly until the cooling water temperature in the cooling water temperature in radiator and engine interior cooling system while being all elevated to the open temp of thermostat, just switch water outlet no longer repeatedly of the main valve of thermostat.Water temperature in engine-cooling system is through repeatedly repeatedly sharply changing, bad while making engine gasoline atomization fashion, thereby makes the motor can not steady running, and property indices degenerates.
Summary of the invention
The technical problems to be solved in the utility model is: between warming up period, be subject to cooling water temperature the rise sharply impact of rapid drawdown and the problem of job insecurity in order to overcome existing motor, a kind of engine water pump that is provided with thermostat chamber is provided, has solved cooling water temperature fluctuations during engine warm-up and cause greatly the problem of job insecurity.
The utility model solves the technological scheme that its technical problem adopts: a kind of engine water pump that is provided with thermostat chamber, comprise pump body, water pump body and thermostat chamber, it is characterized in that: described water pump body comprises that water saving pumps into water channel, pump outlet, short circle water inlet, short circle passage and short circle water outlet; Described thermostat chamber comprises thermostat chamber water inlet and thermostat chamber cap; Described thermostat chamber is designed as a whole and communicates with water pump body; Described thermostat chamber water inlet and pump outlet pump into water channel by water and are communicated with, and described short circle water inlet and short circle water outlet are by short circle channel connection; It is indoor that described thermostat is arranged on thermostat, and thermostat comprises main valve and bypass valve, and described main valve valve seat is arranged on water inlet place, thermostat chamber, and described bypass valve is arranged on directly over short circle water outlet and from short circle water outlet certain distance; Described short circle water outlet is connected with thermostat chamber, and described pump outlet and the setting of short circle water inlet are at grade; Described thermostat top is provided with thermostat chamber cap, and described thermostat chamber cap is bolted connection at water inlet place, thermostat chamber flanged surface.
Described water pump and the design of thermostat chamber are as a whole, between described water pump body and thermostat chamber, communicate, can guarantee that cooling circulating water realizes large and small cycles, reduce engine interior and rise because cooling water temperature is poly-the job insecurity that rapid drawdown causes, extend the working life of motor.
Described thermostat chamber cap and water inlet place, thermostat chamber flange are bolted connection, and between described thermostat chamber cap and thermostat chamber water inlet, are provided with rubber gasket.
The beneficial effects of the utility model are: a kind of engine water pump that is provided with thermostat chamber of the present utility model, because thermostat chamber water inlet and pump outlet are to pump into water channel by water to be communicated with, play the effect of water pump water inlet, be that thermostat is arranged on water pump water inlet place, in hot and cold water intersection, it is the most responsive place, its open temp is the cooling water temperature that carries out short circle in motor, and its closing temperature is to carry out mixed temperature by flow through thermostat and short circle water of radiator, the water yield of its adjusting and scope are all smaller, make its adjusting fineness relatively good, can not make the water temperature of engine interior cooling system produce larger fluctuation, motor is operated steadily.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the plan view that a kind of water inlet of the present utility model arranges the engine water pump of thermostat chamber;
Fig. 2 is the worm's eye view of Fig. 1 of the present utility model;
Fig. 3 is the left view of Fig. 1 of the present utility model, and the schematic diagram after thermostat, thermostat chamber cap is installed.
In figure: 1. water pump, 2. thermostat chamber, 3. thermostat housing, 11. pump bodies, 12. short circle water inlets, 13. pump outlets, 21. water pump bodies, 22. thermostats, 211. thermostat chamber water inlets, 212. enter water channel, 215. short circle passages, 216. short circle water outlets, 221. main valves, 222. bypass valve.
Embodiment
Below in conjunction with specific embodiment, further the utility model is set forth, should be understood that and quote embodiment only for the utility model is described, and be not used in restriction scope of the present utility model.
As shown in Figure 1 to Figure 3, the utility model is provided with the engine water pump of thermostat chamber, comprises water pump 1 and thermostat chamber 2; Water pump 1 comprises pump body 11, water pump body 21, is arranged on short circle water inlet 12 and the pump outlet 13 of water pump body 21 bottoms; Thermostat chamber 2 comprises thermostat chamber water inlet 211 and thermostat chamber cap 3; Water pump body 21 comprises that water pumps into water channel 212, pump outlet 13, short circle water inlet 12, short circle passage 215 and short circle water outlet 216, thermostat chamber water inlet 211 and pump outlet 13 are communicated with by entering water channel 212, and short circle water inlet 12 and short circle water outlet 216 are communicated with by short circle passage 215; Thermostat 22 comprises main valve 221 and bypass valve 222, and main valve 221 valve seats are arranged on water inlet 211 places, thermostat chamber, and bypass valve 222 is arranged on directly over short circle water outlet 216 and from short circle water outlet 216 certain distance; Thermostat chamber 2 is designed to an entirety with water pump 1, between water pump body 21 and thermostat chamber 2, communicates, and short circle water outlet 216 also communicates with thermostat chamber 2, and pump outlet 13 arranges at grade with short circle water inlet 12; Thermostat 22 tops are provided with thermostat chamber cap 3, and thermostat chamber cap 3 is bolted connection with the flanged surface at water inlet 211 places, thermostat chamber, between thermostat chamber cap 3 and thermostat chamber water inlet 211 place's flanges, is provided with rubber gasket.
The working principle of the utility model engine water pump is:
As shown in Figure 1 to Figure 3, on engine cooling water pump body 21, set up thermostat chamber 2, controlled the short circle water outlet 216 of short circle passage 215 upper ends by the bypass valve 222 of thermostat 22, below thermostat bypass valve 222, short circle water inlet 12 and pump outlet 13 at grade, specifically as shown in Figure 2.When motor is during in cold machine state, the main valve 221 of thermostat 22 is in closed condition, water in radiator cannot be from thermostat chamber cap 3, thermostat chamber water inlet 211 pumps into water channel 212 through water, pump outlet 13 enters in the water jacket of cylinder block, and the bypass valve 222 of thermostat 22 is in free state, bypass valve 222 has certain distance with short circle water outlet 216, cooling water in motor flows into from short circle water inlet 12, flow into water pump 1 through short circle passage 215 from short circle water outlet 216, pumped into into water channel 212 by water pump 1 again, enter in block jacket through pump outlet 13, impel the cooling water in engine-cooling system to carry out short circle at engine interior.In the time that in-engine water temperature reaches thermostat 22 open temp, the main valve 221 of thermostat 22 starts to open a little, bypass valve 222 also stretches out a little, bypass valve 222 will shorten a little with the distance of short circle water outlet 216, cooling moisture two-way now, short circle is carried out through above-mentioned road in one tunnel, another road is from the water outlet inflow radiator of upper position of engine, again by the radiator thermostat chamber cap 3 of flowing through, the main valve 221 of thermostat 22, thermostat chamber water inlet 211 and enter water pump 1, pumped into into water channel 212 by water pump 1 again, enter in block jacket through pump outlet 13, thereby now two-way cooling water makes water temperature decline that the paraffin of 22 li, thermostat is shunk in the indoor mixing of thermostat and closes immediately main valve 221, engine cooling water carries out short circle in inside, by the time when thermostat 22 cooling water temperature is around brought up to the open temp of thermostat 22 again, the main valve 221 of thermostat 22 is opened again, again there is two-way circulation in in-engine cooling water, again entering the indoor mixing of thermostat, lower the temperature and main valve 221 is closed.So repeated multiple times, until the cooling water temperature in radiator is while reaching the open temp of thermostat 22, thermostat 22 does not just cut out main valve 221 repeatedly, now the paraffin of 22 li, thermostat melts completely and bypass valve 222 is stretched out completely, block the short circle water outlet 216 of the short circle passage 215 in thermostat chamber 2, force cooling water to carry out major cycle.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (3)
1. one kind is provided with the engine water pump (1) of thermostat chamber (2), comprises pump body (11), water pump body (21), thermostat chamber (2), it is characterized in that:
Described water pump body (21) comprises that water pumps into water channel (212), pump outlet (13), short circle water inlet (12), short circle passage (215) and short circle water outlet (216);
Described thermostat chamber (2) comprises thermostat chamber water inlet (211) and thermostat chamber cap (3);
Described thermostat chamber water inlet (211) and pump outlet (13) pump into water channel (212) by water and are communicated with, and described short circle water inlet (12) and short circle water outlet (216) are communicated with by short circle passage (215);
Described thermostat (22) is arranged in thermostat chamber (2), thermostat (22) comprises main valve (221) and bypass valve (222), described main valve (221) valve seat is arranged on thermostat chamber water inlet (211) and locates, and described bypass valve (222) is arranged on directly over short circle water outlet (216) and from short circle water outlet (216) certain distance;
Described short circle water outlet (216) is connected with thermostat chamber (2), and described pump outlet (13) arranges at grade with short circle water inlet (12);
Described thermostat (22) top is provided with thermostat chamber cap (3), and described thermostat chamber cap (3) is located flanged surface at thermostat chamber water inlet (211) and is bolted connection.
2. engine water pump as claimed in claim 1, is characterized in that: described water pump (1) and thermostat chamber (2) are designed as a whole, between described water pump body (21) and thermostat chamber (2), communicates.
3. engine water pump as claimed in claim 1, is characterized in that: between described thermostat chamber cap (3) and thermostat chamber water inlet (211) flange, be provided with rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696325.9U CN203669985U (en) | 2013-11-07 | 2013-11-07 | Engine water pump with thermostat chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696325.9U CN203669985U (en) | 2013-11-07 | 2013-11-07 | Engine water pump with thermostat chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203669985U true CN203669985U (en) | 2014-06-25 |
Family
ID=50966294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320696325.9U Expired - Fee Related CN203669985U (en) | 2013-11-07 | 2013-11-07 | Engine water pump with thermostat chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203669985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644023A (en) * | 2013-11-07 | 2014-03-19 | 山西新天地发动机制造有限公司 | Engine water pump with thermostat chamber |
| CN107355293A (en) * | 2017-08-25 | 2017-11-17 | 奇瑞汽车股份有限公司 | Water pump module assembly structure |
-
2013
- 2013-11-07 CN CN201320696325.9U patent/CN203669985U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644023A (en) * | 2013-11-07 | 2014-03-19 | 山西新天地发动机制造有限公司 | Engine water pump with thermostat chamber |
| CN107355293A (en) * | 2017-08-25 | 2017-11-17 | 奇瑞汽车股份有限公司 | Water pump module assembly structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANXI BEIDA ENGINE MANUFACTURING CO., LTD. Free format text: FORMER NAME: SHANXI XINTIANDI ENGINE MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 030600 middle section of West Street, Yuci District, Shanxi, Jinzhong Patentee after: Shanxi North North Engine Manufacturing Co., Ltd. Address before: 030600 middle section of West Street, Yuci District, Shanxi, Jinzhong Patentee before: SHANXI XINTIANDI ENGINE MANUFACTURING CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20151107 |
|
| EXPY | Termination of patent right or utility model |