CN218717096U

CN218717096U - Cooling thermostat of motorcycle engine

Info

Publication number: CN218717096U
Application number: CN202223038846.3U
Authority: CN
Inventors: 胡阳; 罗琪; 温占洲; 高令祥; 谢佳兴; 张辉秋; 梁仙增
Original assignee: Jinlang Science & Technology Co ltd
Current assignee: Jinlang Science & Technology Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-24
Anticipated expiration: 2032-11-14

Abstract

The utility model belongs to the technical field of motorcycle engine, a cooling thermostat of motorcycle engine is related to, cooling thermostat includes sealing connection's last casing and lower casing, it is provided with the microcirculation water inlet with the microcirculation pipeline intercommunication to go up the casing, the casing is provided with the macrocycle water inlet with the macrocycle pipeline intercommunication down, go up the internal thermosistor that is provided with of casing and inferior valve, the thermosistor is including the temperature regulating valve rod that adjusts temperature shell, spring and vertically slide, during initial condition the temperature regulating valve rod rebound opens the macrocycle pipeline gradually and closes the microcirculation pipeline with lower casing sealing connection, temperature regulating valve rod rebound when rising, one side of going up the casing is provided with the delivery port with cooling water pump water inlet intercommunication. The utility model provides a cooling thermostat of motorcycle engine has rationally distributed, compact structure and the good advantage of engine suitability.

Description

Cooling thermostat of motorcycle engine

Technical Field

The utility model belongs to the technical field of motorcycle engine, a cooling thermostat of motorcycle engine is related to.

Background

In order to avoid overheating of the motorcycle engine, a cooling structure needs to be provided on the motorcycle engine. The cooling structure of the motorcycle engine can use an air cooling device and also can use a water cooling device. In order to obtain better cooling effect, the water cooling device becomes a common choice for middle-high motorcycles.

In order to ensure that the engine always works in the optimum temperature range under different loads and different rotating speeds, the water cooling system of the engine is provided with a thermostat. When the engine works in a preheating state, the temperature of the system is low, the valve is closed, and the cooling liquid passes through the water outlet with a small flow area, so that the cooling liquid circulates at a small flow rate, namely, small circulation is carried out, so that the engine can be ensured to quickly reach a proper working temperature in the preheating process; when the engine enters a normal working state and the temperature is further increased, the valve of the thermostat is opened, the cooling liquid flows through the radiator through the water outlet with a large flow area, and the so-called large circulation is carried out to ensure that the temperature of the system is not increased any more.

Most of the existing thermostats are unreasonable in design and not compact in structure, so that the compactness of the engine structure is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a cooling thermostat of motorcycle engine, it is rationally distributed to have, compact structure and the good advantage of engine suitability.

In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:

the cooling thermostat of the motorcycle engine is arranged between a cooling water pump and a radiator, the cooling water pump is communicated with the radiator through a small circulation pipeline and a large circulation pipeline, the cooling thermostat comprises an upper shell and a lower shell which are connected in a sealing mode, a small circulation water inlet communicated with the small circulation pipeline is formed in the upper shell, a large circulation water inlet communicated with the large circulation pipeline is formed in the lower shell, temperature regulators are arranged in the upper shell and the lower shell and comprise temperature regulating shells, springs and temperature regulating valve rods which slide longitudinally, the temperature regulators are connected with the lower shell in a sealing mode in an initial state, the temperature regulating valve rods move upwards to gradually open the large circulation pipeline and close the small circulation pipeline when the temperature rises, and a water outlet communicated with the water inlet of the cooling water pump is formed in one side of the upper shell.

In the cooling thermostat of the motorcycle engine, the temperature adjusting shell is provided with an outer mounting edge ring, the outer mounting edge ring is sleeved with a sealing ring, the lower end face of the upper shell and/or the upper end face of the lower shell are/is provided with a mounting groove matched with the sealing ring, and the upper shell and the lower shell are fixedly connected and then tightly press the sealing ring and fixedly mount the outer mounting edge ring. Preferably, the inner wall of the sealing ring is provided with an annular groove matched with the mounting outer edge ring, and the sealing ring is arranged in an up-and-down symmetrical manner.

In the above cooling thermostat for a motorcycle engine, the small circulation water inlet is provided at the upper end of the upper housing and is inclined forward and upward; the large-circulation water inlet is arranged at the lower end of the lower shell and is inclined downwards, and preferably faces to the direction far away from the engine; the water outlet is arranged at the rear side of the upper shell.

In the cooling thermostat of the motorcycle engine, the water outlet is provided with a mounting seat fixedly connected with a cooling water pump, the outer wall of the water outlet is provided with an annular groove, and an O-shaped sealing ring is arranged in the annular groove. Preferably, the mounting base extends towards two sides and is provided with a mounting hole matched with the mounting position.

In the cooling thermostat for the motorcycle engine, the caliber of the small-circulation water inlet is smaller than that of the large-circulation water inlet, and the caliber of the large-circulation water inlet is smaller than that of the water outlet.

In the cooling thermostat for the motorcycle engine, the initial opening temperature of the thermostat is 80-85 ℃, the full opening temperature is 90-100 ℃, and the full opening lift is 5-7.5mm. Preferably, the initial starting temperature is 82 ℃ and the full-open temperature is 95 ℃.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model provides a new cooling thermostat, through the inside thermoregulator of the combined layout and the interface of upper and lower casing, distribution inflow that can be more reasonable reaches temperature regulation's effect. The utility model has the advantages of simple structure is compact, and is rationally distributed, simple to operate, simultaneously, the utility model discloses a layout design also can match more with the structure of engine to the overall structure of the engine that makes is compacter.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

reference numerals: 1. an upper housing; 2. a lower housing; 3. a small circulation water inlet; 4. a large circulation water inlet; 5. a temperature regulating housing; 6. a spring; 7. a temperature regulating valve stem; 8. a water outlet; 9. installing an outer edge ring; 10. a seal ring; 11. a mounting base; 12. an O-shaped sealing ring; 13. a mounting flange; 14. a fastener.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1-2:

a cooling thermostat of a motorcycle engine is arranged between a cooling water pump and a radiator, the cooling water pump is communicated with the radiator through a small circulation pipeline and a large circulation pipeline, the cooling thermostat comprises an upper shell 1 and a lower shell 2 which are connected in a sealing mode, the upper shell 1 is provided with a small circulation water inlet 3 communicated with the small circulation pipeline, the lower shell 2 is provided with a large circulation water inlet 4 communicated with the large circulation pipeline, temperature regulators are arranged in the upper shell 1 and the lower shell 2, the temperature regulators comprise temperature regulating shells 5, springs 6 and temperature regulating valve rods 7 which slide longitudinally, the temperature regulators are connected with the lower shell 2 in a sealing mode in an initial state, the temperature regulating valve rods 7 move upwards to gradually open the large circulation pipeline and close the small circulation pipeline when the temperature rises, and a water outlet 8 communicated with the water inlet of the cooling water pump is arranged on one side of the upper shell 1.

The working process of the embodiment is as follows: when the engine works in a preheating state, the system temperature is lower and does not reach the initial opening temperature designed by the temperature regulator, the temperature regulator closes the large circulation pipeline, the cooling liquid circulates at a smaller flow rate through the small circulation pipeline, and the engine can quickly reach a proper working temperature during preheating; when the temperature of the cooling liquid exceeds the initial opening temperature of the thermostat, the temperature adjusting valve rod 7 of the thermostat starts to move upwards, so that a gap between the temperature adjusting valve rod 7 and the temperature adjusting shell 5 is gradually opened, namely the large circulation pipeline is gradually opened, the cooling liquid starts to circulate through the large circulation pipeline, when the temperature of the cooling liquid reaches the full opening temperature of the thermostat, the temperature adjusting valve rod 7 moves to the highest point, at the moment, the small circulation pipeline is completely closed, the large circulation pipeline is completely opened, and the cooling liquid circulates through the large circulation pipeline, so that the temperature of the system is ensured not to rise any more.

Referring to fig. 2, the thermostat of the embodiment is installed in the upper and lower cases 1 and 2 by: be provided with the outer ring 9 of following of installation on the shell 5 adjusts the temperature, the cover is equipped with sealing ring 10 on the outer ring 9 of following of installation, be provided with the mounting groove who matches with sealing ring 10 on the lower terminal surface of last casing 1 and/or the up end of casing 2 down, go up casing 1 and casing 2 fixed connection back compress tightly sealing ring 10 and the outer ring 9 of following of fixed mounting down. Preferably, the inner wall of the sealing ring 10 is provided with an annular groove matched with the mounting outer edge ring 9, and the sealing ring 10 is arranged up and down symmetrically. Through the above structure, in the initial state, the upper casing 1 and the lower casing 2, and the lower casing 2 and the thermostat are all sealed.

Referring to fig. 1, in order to better match the structure of the engine, the small circulation water inlet 3 is arranged at the upper end of the upper shell 1 and is inclined towards the front upper part; the large-circulation water inlet 4 is arranged at the lower end of the lower shell 2 and is inclined downwards, and preferably, the large-circulation water inlet 4 faces to the direction far away from the engine; the water outlet 8 is arranged at the rear side of the upper shell 1.

For the better cooling thermostat of installation this embodiment, 8 departments of delivery port are provided with the mount pad 11 with cooling water pump fixed connection, the outer wall of delivery port 8 is provided with the annular groove, be provided with O shape sealing washer 12 in the annular groove. Preferably, the mounting base 11 extends towards two sides and is provided with a mounting hole matched with the mounting position.

In order to distribute the inflow more reasonably, the caliber of the small circulation water inlet 3 is smaller than that of the large circulation water inlet 4, and the caliber of the large circulation water inlet 4 is smaller than that of the water outlet 8. For example, in the present embodiment, the diameter of the large circulation water inlet 4 is set to 11.5mm, the diameter of the small circulation water inlet 3 is set to 7mm, and the diameter of the water outlet 8 is set to 14.5mm.

The initial opening temperature of the temperature regulator is 80-85 ℃, the full opening temperature is 90-100 ℃, and the full opening lift is 5-7.5mm. In this example, the initial opening temperature was 82 ℃ and the full opening temperature was 95 ℃.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The cooling thermostat of the motorcycle engine is arranged between a cooling water pump and a radiator, the cooling water pump is communicated with the radiator through a small circulation pipeline and a large circulation pipeline, and the cooling thermostat is characterized by comprising an upper shell (1) and a lower shell (2) which are connected in a sealing mode, the upper shell (1) is provided with a small circulation water inlet (3) communicated with the small circulation pipeline, the lower shell (2) is provided with a large circulation water inlet (4) communicated with the large circulation pipeline, thermostats are arranged in the upper shell (1) and the lower shell (2), each thermostat comprises a temperature adjusting shell (5), a spring (6) and a temperature adjusting valve rod (7) which slides longitudinally, the thermostat is connected with the lower shell (2) in a sealing mode in an initial state, the temperature adjusting valve rod (7) moves upwards to gradually open the large circulation pipeline and close the small circulation pipeline when the temperature rises, and a water outlet (8) communicated with the cooling water pump water inlet is formed in one side of the upper shell (1).

2. The cooling thermostat of a motorcycle engine according to claim 1, characterized in that the temperature adjusting housing (5) is provided with a mounting outer edge ring (9), the mounting outer edge ring (9) is sleeved with a sealing ring (10), the lower end surface of the upper housing (1) and/or the upper end surface of the lower housing (2) is provided with a mounting groove matched with the sealing ring (10), and the upper housing (1) and the lower housing (2) are fixedly connected and then press the sealing ring (10) and fixedly mount the outer edge ring (9).

3. A cooling thermostat for motorcycle engine according to claim 1 characterized in that the small circulation water inlet (3) is provided at the upper end of the upper case (1) and is disposed obliquely forward and upward; the large circulation water inlet (4) is arranged at the lower end of the lower shell (2) and is inclined downwards; the water outlet (8) is arranged at the rear side of the upper shell (1).

4. A cooling thermostat for motorcycle engine according to claim 1, characterized in that the water outlet (8) is provided with a mounting seat (11) fixedly connected with a cooling water pump, the outer wall of the water outlet (8) is provided with an annular groove, and an O-ring (12) is arranged in the annular groove.

5. A cooling thermostat for motorcycle engines according to claim 1, characterized in that the aperture of the small circulation water inlet (3) is smaller than the aperture of the large circulation water inlet (4), and the aperture of the large circulation water inlet (4) is smaller than the aperture of the water outlet (8).

6. A cooling thermostat for motorcycle engines, as claimed in claim 1, characterized in that the lower end of the upper housing (1) and the upper end of the lower housing (2) are provided with mutually cooperating mounting flanges (13), said mounting flanges (13) being fastened by means of a number of fasteners (14).

7. A cooling thermostat for a motorcycle engine according to claim 1, wherein the thermostat has an initial opening temperature of 80-85 ℃, a full opening temperature of 90-100 ℃, and a full opening lift of 5-7.5mm.