CN106042849A - Automobile windshield lining - Google Patents

Abstract

The invention discloses an automobile windshield lining which includes a piece of transparent glass on one side, close to a cab, of the automobile windshield. The transparent glass is in sealing connection with an automobile windshield via an elastic sealing layer to form a sealed cavity, and connecting parts for connecting the automobile windshield and the transparent glass are also arranged between the automobile windshield and the transparent glass. The connecting parts are arranged outside the cavity. A unidirectional valve is arranged on the transparent glass or the elastic sealing layer for conveying hot wind to the cavity. The transparent glass or the elastic sealing layer is also provided with a pressure releasing valve for limiting the pressure in the cavity. The air thermal insulation principle is creatively used, the hot wind in the vehicle is fully used, the partial hot wind in the vehicle is used concentratedly for effective defrosting, and compared with the existing sealing structure, the lining is convenient to use.

Description

Windshield liner

Technical field

The present invention relates to vehicle glass technical field, be specifically related to a kind of windshield liner.

Background technology

The automobile travelled in cold snap, the big-and-middle-sized automobile that particularly facility is the simplest and the crudest is owing to closing the best or car Interior hot blast is not enough, and causes windshield to hang frost, affects pilot's line of vision, safety problem easily occurs.At present, solve this to ask The mode of topic is typically by adding the supply of cart interior-heat wind or arranging the device of blowing hot-air at windshield, but this solution Mode certainly adds energy resource consumption.

ZL96212637.3 provides a kind of Anti-frost lining device for windowscreen of vehicle, and it is will by several Double-face sucking disks The interior lining panel being made up of ring packing framework and clear glass adsorbs on windshield, and it is close that clear glass is embedded in annular In envelope framework, so that forming an airtight space between windshield and interior lining panel.This device is by utilizing confined air Interior air produces heat-blocking action, reduces the temperature difference inside and outside windshield thus prevents windshield from hanging frost. But, the air in confined space is by windshield and the dual conduction of heat of clear glass so that windshield interior The outside temperature difference still exists, so, this device can not effectively prevent windshield from hanging frost.

Summary of the invention

It is an object of the invention to provide in a kind of windshield that can effectively prevent windshield from hanging frost Lining.

For reaching above-mentioned purpose, the base case of the present invention is: windshield liner, including being positioned at automotive windshield glass Glass is near the clear glass of driver's cabin side, and clear glass is tightly connected with windshield by elastic sealing layer and is formed One airtight cavity, is additionally provided with between windshield with clear glass for the fixing windshield and thoroughly of being connected The connector of bright glass, connector is positioned at containment portion；In oriented cavity is set on clear glass or elastic sealing layer unidirectional The check valve of heat air delivery；The pressure release of atmospheric pressure in restricted room body it is additionally provided with on clear glass or elastic sealing layer Valve.

Operation principle and the advantage of this programme are: windshield is sealed even by elastic sealing layer with clear glass It is connected together and forms an airtight cavity, windshield and clear glass being carried out solid by connector the most again Fixed.Because the elastic reaction of elastic sealing layer itself, therefore by connector can easily to windshield with thoroughly The size of the cavity formed between bright glass is adjusted so that the easiest when installing clear glass.And connector Be positioned at outside cavity, thus again make dismantle clear glass step have also been obtained simplification.

Another advantage is that of this programme not only takes full advantage of air heat insulation principle, and can also make full use of automobile The steam of electromotor.Clear glass or elastic sealing layer arrange check valve, the hot air duct of check valve with automobile is connected Logical, now the air themperature in cavity will raise rapidly.In cold environment, the hot-air in cavity passes through automotive windshield Ice and snow on windshield and frost are melted rapidly by glass, because the hot air duct of automobile also leads to driver's cabin, therefore Clear glass is positioned at the side of cavity and will not produce the biggest temperature approach near the side of driver's cabin, transparent glass under this state Would not haze because temperature difference value is too big on glass, therefore can guarantee that clear glass be constantly in the state of cleaning from without Impact is driven.And it is possible to prevent cavity endogenous cause of ill hot-air too much corresponding parts to be caused damage by arranging relief valve.

Compared to existing technology, what this programme was creative has used air heat insulation principle, existing in taking full advantage of automobile Hot blast, get up highly effective defrosting by the part hot blast focus utilization in automobile, and compare existing closed structure and use Convenient.

Preferred version one: based on the preferred version of scheme, the import department of check valve be additionally provided with water suction air-permeable layer or Person absorbs water gas permeable devices.Import department at check valve arranges the purpose of the ventilative discharging of water suction or absorption gas permeable devices and is to the greatest extent may be used Can the content of the moisture being lowered in the container in cavity, it is to avoid the hot-air in cavity is at windshield or thoroughly Condense on bright glass and haze thus affect driver automobile.

Preferred version two: based on the preferred version of scheme, be provided with at check valve inlet for controlling hot blast conveying The temperature detect switch (TDS) of passage break-make, is additionally provided with the temperature sensor being connected with temperature detect switch (TDS) in cavity.When the air in cavity When temperature is too high, easily the parts noise such as windshield and clear glass is damaged.Therefore temperature sensor is set, logical Excess temperature sensor controls temperature detect switch (TDS), then is controlled, by temperature detect switch (TDS), the passage carrying hot-air in cavity.Institute With by arranging temperature sensor and temperature detect switch (TDS), it is possible to each parts when preventing the hot air temperature in cavity too high Cause damage.

Preferred version three: based on scheme, prioritization scheme one or the preferred version any one of prioritization scheme two, elastic The rubber seal framework that sealant is formed in one.Rubber belongs to elastic sealing layer widely used in prior art, economical real Favour, simple and easy to get, and integrated rubber seal framework structurally compares the frame structure stability of combination forming and close Envelope property is more preferable, therefore, uses integrated rubber seal framework to be easier to reduce cost, makes the product produced more real Favour.

Preferred version four: the preferably preferred version of three, connector is sucker.It is known that the dismounting of sucker Compare the connector such as bolt, rivet convenient, and when sucker is used for glass connection, sucker not only has well connection Power, and glass will not be damaged, therefore use the connected mode of sucker to be easier to be esthetically acceptable to the consumers.

Preferred version five: the preferably preferred version of three, water suction air-permeable layer is sponge.Import department at check valve Arranging water suction air-permeable layer is the moisture in order to reduce in cavity as far as possible.And sponge not only have cheap, be prone to purchase The feature such as buy, water absorption is strong, and sponge is also less prone to breakage, will not produce tiny thread foreign material, can effectively avoid blocking up Plug check valve.And, it is high that water suction gas permeable devices the most on the market compares sponge not only cost, and much also needs to consume energy Consumption, uses sponge more economical the most by contrast.

Accompanying drawing explanation

Fig. 1 is the internal structure schematic diagram of windshield liner embodiment of the present invention；

Fig. 2 is the sucker mounting structure enlarged diagram of windshield liner embodiment of the present invention.

Detailed description of the invention

Below by detailed description of the invention, the present invention is further detailed explanation:

Reference in Figure of description includes: check valve 1, relief valve 2, windshield 3, elastic sealing layer 4, sucker 5, clear glass 6.

Embodiment is the most as depicted in figs. 1 and 2: windshield liner, including clear glass 6, and clear glass 6 flat Face is smaller in size than or identical equal to the planar dimension of windshield 3.Because after windshield liner is installed, will certainly be right The space of existing car steering indoor affects, therefore, at the windshield selecting installation this programme to be provided During liner, it is possible to be only positioned at the side installation windshield liner of driver at windshield 3.Clear glass 6 passes through Structure sealant, weather proofing sealant or rubber are (such as rubber strip, rubber packing and integrated rubber seal frame Frame) etc. elastic sealing layer 4 and windshield 3 side that is positioned at driver's cabin be tightly connected and concurrently form an airtight chamber Body.As it is shown in figure 1, the edge of the edge of clear glass 6 and windshield 3 is fixedly connected by sucker 5, sucker 5 It is positioned at containment portion.Certainly, the edge of clear glass 6 can also be by other connection side with the edge of windshield 3 Formula, as used the connector such as rivet, bolt to be fixedly connected.Use these connectors by windshield 3 and transparent glass The purpose that glass 6 links together is to prevent clear glass 6 landing from windshield 3.

In the present embodiment, clear glass 6 being also equipped with check valve 1, check valve 1 is used for connecting the warm-air pipe in automobile, Hot blast in automobile just can be entered in cavity by warm-air pipe.Relief valve 2 it is also equipped with, when in cavity on clear glass 6 Steam more and after reaching certain force value, relief valve 2 will start and be discharged by steam unnecessary in cavity simultaneously.

Hot blast in automobile typically all contains substantial amounts of water vapour, to this end, the import department of check valve 1 is additionally provided with water suction Air-permeable layer or water suction gas permeable devices.Water suction air-permeable layer includes sponge, Cotton Gossypii and the ventilative macromolecule membrane etc. that blocks water, current city Being readily available on face, it is more extensive that the device that water suction is breathed freely the most just is applied.Certainly, the ventilative dress of water suction Put half price all compare high or partly need to consume the energy.Therefore, in the embodiment of this optimization, the import department of check valve 1 Be provided that sponge, sponge not only have cheap, be prone to features such as buying, water absorption is strong, and sponge is also less prone to breakage, Tiny thread foreign material will not be produced, can effectively avoid blocking check valve 1.

This programme mainly uses and the hot blast in automobile is directly acted on windshield 3, and is always maintained at Temperature on windshield 3, thus prevent windshield 3 from hanging frost in arctic weather.Accordingly, as optimize Embodiment, is additionally provided with the temperature detect switch (TDS) for controlling warm-air pipe break-make between check valve 1 and the warm-air pipe of automobile, in cavity also It is provided with temperature sensor.Temperature in temperature sensor detects cavity reaches default temperature, it may be assumed that this temperature is protection During the safe temperature that clear glass 6 or windshield 3 are not damaged by steam, temperature detect switch (TDS) will control warm-air pipe no longer Hot blast or steam is inputted in cavity.

Above-described is only the optimal enforcement example of the present invention, and in scheme, the known general knowledge such as concrete structure and characteristic is at this Too much describe.It should be pointed out that, for a person skilled in the art, on the premise of without departing from present configuration, also May be made that some deformation and improvement, these also should be considered as protection scope of the present invention, and these are real all without affecting the present invention The effect executed and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, description In detailed description of the invention etc. record the content that may be used for explaining claim.

Claims (6)

1. windshield liner is including being positioned at the windshield clear glass near driver's cabin side, described transparent Glass is tightly connected and is formed an airtight cavity by elastic sealing layer and windshield, it is characterised in that described It is additionally provided with for the fixing connector being connected windshield and clear glass between windshield with clear glass, Described connector is positioned at containment portion；Hot blast is irreversibly delivered in oriented cavity is set on described clear glass or elastic sealing layer Check valve；The relief valve of atmospheric pressure in restricted room body it is additionally provided with on described clear glass or elastic sealing layer.

Windshield liner the most according to claim 1, it is characterised in that the import department of described check valve also sets up There are water suction air-permeable layer or water suction gas permeable devices.

Windshield liner the most according to claim 1, it is characterised in that be provided with use at described check valve inlet In the temperature detect switch (TDS) of control hot blast transfer passage break-make, in cavity, it is additionally provided with the temperature sensor being connected with temperature detect switch (TDS).

4. according to the windshield liner described in claim any one of claims 1 to 3, it is characterised in that described The rubber seal framework that elastic sealing layer is formed in one.

Windshield liner the most according to claim 4, it is characterised in that described connector is sucker.

Windshield liner the most according to claim 4, it is characterised in that described water suction air-permeable layer is sponge.