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A thermostat and sealing method thereof

A thermostat and sealant technology, applied in the direction of machines/engines, engine cooling, mechanical equipment, etc., can solve problems such as poor sealing effect at valves, achieve poor sealing effect, enhance airtightness, and reduce leakage volume effect

Active Publication Date: 2020-04-24
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a thermostat and its sealing method to solve the problem of poor sealing effect at the valve of the existing thermostat

Method used

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  • A thermostat and sealing method thereof
  • A thermostat and sealing method thereof
  • A thermostat and sealing method thereof

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Embodiment Construction

[0030] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0031] Such as figure 1 and figure 2 As shown in , they are structural schematic diagrams of the thermostat provided by the present invention under different viewing angles. The thermostat includes a valve seat 1 and a valve 2, the valve seat 1 includes an inner ring 11 and an outer ring 12, one end of the valve 2 can abut against the inner ring 11 (that is, a technical solution in the prior art), and the inner ring 11 The exterior is coated with a sealant 111, and one end of the valve 2 can be in contact with the sealant 111 (see image 3 ). Such setting can strengthen the airtightness between the valve 2 and the valve seat 1. When the valve 2 is closed (that is, when the valve 2 and the valve seat 1 abut), the leakage of the coolant at the valve 2 is reduced, thereby solving the problem of Th...

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Abstract

The invention belongs to the technical field of thermostats and discloses a thermostat and a sealing method thereof. The thermostat includes a valve base and a valve, the valve base includes an innerring, one end of the valve can abut against the inner ring, sealing rubber is annularly arranged on the outer wall of the inner ring, and one end of the valve can abut against the sealing rubber. Through annular arrangement of the sealing rubber on the inner ring of the thermostat valve base, the sealing performance between the valve and the valve base is improved, and when the valve is closed, the leakage amount of cooling liquid on the valve is reduced, so that the problem that the sealing effect of valves of existing thermostats is poor is solved.

Description

technical field [0001] The invention relates to the technical field of thermostats, in particular to a thermostat and a sealing method thereof. Background technique [0002] At present, the thermostat used in the vehicle cooling system mainly depends on the physical characteristics of the wax bag - thermal expansion and contraction, to control the opening and closing of the thermostat. It can be said that the thermostat is actually a temperature control switch. When the engine coolant reaches the initial opening temperature, it starts to close the small circulation (coolant direction: cooling water pump-cooling chamber-outlet main pipe-thermostat-cooling water pump) , and open the large circulation (coolant direction: cooling water pump-cooling cavity-outlet main pipe-thermostat-water tank radiator-cooling water pump). When the coolant temperature reaches the full opening temperature, the valve reaches the specified lift, at this time the small circulation is closed and the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P7/16F01P7/14
CPCF01P7/165F01P2007/146
Inventor 白宇鹏刘健刘腾王丽霞
Owner WEICHAI POWER CO LTD