WO2017041412A1 - 一种头盔护罩防雾构造 - Google Patents
一种头盔护罩防雾构造 Download PDFInfo
- Publication number
- WO2017041412A1 WO2017041412A1 PCT/CN2016/070371 CN2016070371W WO2017041412A1 WO 2017041412 A1 WO2017041412 A1 WO 2017041412A1 CN 2016070371 W CN2016070371 W CN 2016070371W WO 2017041412 A1 WO2017041412 A1 WO 2017041412A1
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- WO
- WIPO (PCT)
- Prior art keywords
- shield
- fog
- patch
- helmet
- protection shield
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/18—Face protection devices
- A42B3/22—Visors
- A42B3/24—Visors with means for avoiding fogging or misting
Definitions
- the present invention relates to a helmet shield anti-fog construction.
- helmets To prevent sand and sand from damaging, many helmets are equipped with a shield that can be opened or closed in front of the eyes.
- the shield is made of a sheet of transparent material that is generally dropped and placed in front of the driver's face to protect the eyes from wind and rain when the driver is driving.
- the water vapor in the helmet is easily condensed into a layer of water mist on the shield due to the water vapor generated by the driver's breathing and the temperature difference between the inside and outside of the helmet, thereby affecting the driver's sight. And it will endanger the driver's driving safety.
- an anti-fog patch may be attached to the inner side of the shield facing the side of the face, and a certain isolation gap is left between the anti-fog patch and the shield.
- the gap forms a closed dividing space to interrupt or moderate the temperature difference between the inner and outer surfaces of the shield, thereby keeping the shield away from the dew point temperature of the water vapor, thereby preventing the formation of water mist.
- helmet guards with anti-fog patches are generally made of detachable anti-fog patches for the convenience of manufacture, that is, the anti-fog patches and the shields are separately manufactured, and then the two are assembled by the two. Grouped together.
- the prior art is to apply a sealing strip made of an elastic material such as silica gel on the outer side of the anti-fog patch, and the sealing strip is annular and In a closed shape, the anti-fog patch is finally coated with the outer side of the sealing strip, and the rim height of the sealing strip forms a relatively completely closed space between the anti-fog patch and the shroud body.
- this structure has the following drawbacks: the consistency of product quality is poor, because the acquisition of the separation space involves the process of applying the sealing strip, so it is inevitably subject to the properties of the sealing material as well as heating, extrusion, shaping, etc.
- the influence of the process parameters, on the one hand, the consistency of the adhesion between the coated sealing strip and the anti-fog patch is difficult to ensure, on the other hand, the uniformity of the height of the coated sealing strip and the integrity of the annular closure are difficult to control, the above disadvantages
- the quality stability and consistency of the shield in the process of assembling the anti-fog patch are poor; in addition, the production process has many processes, low production efficiency and high cost.
- the present invention provides a helmet shield anti-fog structure, which can effectively improve the quality stability, consistency and production efficiency of the product.
- An anti-fog structure for a helmet shield comprising a shield and an anti-fog patch, wherein the anti-fog patch is made of an elastic transparent material and is mounted on an inner side of the shield, between the shield and the anti-fog patch At least one partition space is provided, the partition space being formed by a partition mechanism including an annular strip-shaped flange provided on an inner side surface of the shroud, and a first groove provided on an inner side surface of the shroud And one or more of the second grooves disposed on the outer side surface of the anti-fog patch.
- the flange is provided with at least one.
- the flange and the shield are in the form of an integrally formed structure.
- At least one isolation boss is disposed on the inner side surface of the shield or the outer side surface of the anti-fog patch.
- positioning claws are disposed on both sides of the inner side surface of the shield, and the anti-fog patch is provided with a card slot adapted to the positioning protrusion.
- the end of the positioning stud is provided with a cap.
- positioning protrusion and the shield are in the form of an integrally formed structure.
- the invention has the beneficial effects that the ridge height of the rim or the depth of the first groove and the second groove constitute a separation space between the shield and the anti-fog patch to block or alleviate the temperature difference between the inner and outer surfaces of the shield.
- the convex edge and the first groove and the second groove are formed by mass production, and the consistency is good, and the production steps such as coating the sealing strip in the prior art are eliminated; the edge of the flange or the first groove is prevented.
- the sealing of the mist patch seal is good, the sealing of the second groove edge and the shield sealing is good, and the integrity of the separation space is good, thereby ensuring the separation space to moderate the temperature difference, and effectively improving the helmet protection. Quality stability, consistency and productivity of the hood and anti-fog patch assembly.
- Figure 1 is a schematic exploded view of the present invention
- Figure 2 is a front view of the present invention
- Figure 3 is a schematic view showing the structure of a flange in the present invention.
- FIG. 4 is a schematic structural view of a first groove in the present invention.
- Figure 5 is a schematic view showing the structure of a second recess in the present invention.
- a helmet guard anti-fog structure includes a shield 1 and an anti-fog patch 2, wherein the anti-fog patch 2 is made of an elastic transparent material and is mounted on the inner side of the shield 1.
- At least one partition space 3 is disposed between the shroud 1 and the anti-fog patch 2, and the partition space 3 is formed by a partition mechanism 4, and the partition mechanism 4 includes a ring strip disposed on the inner side surface of the shroud 1.
- the formation of the partition space 3 includes one or more of the following three structures: A.
- An annular strip-shaped flange 401 is disposed on the inner side surface of the shield 1, and the anti-fog patch 2 is closely attached to the flange 401, and depending on the height of the raised edge 401, the shield 1 and the anti-fog patch 2 are separated into a range of non-contact areas, the space of the area constitutes the separation space 3;
- B on the inner side of the shield 1
- a first recess 402 is disposed on the first recess 402.
- the first recess 402 is disposed according to the shape of the shield 1.
- the anti-fog patch 2 is in close contact with the edge of the first recess 402 and depends on the first recess 402.
- the depth of the subsidence separates the shield 1 from the anti-fog patch 2 by a certain range of non-contact areas, and the space of the area constitutes the separation space 3;
- C the surface of the anti-fog patch 2 is provided with a slight subsidence
- the second groove 403 is disposed according to the shape of the anti-fog patch 2, the edge of the second groove 403 is closely attached to the shield 1 and depends on the depth of the recess of the second groove 403. 1 is separated from the anti-fog patch 2 by a certain range of non-contact areas, and the space of the area constitutes the above-mentioned separation space 3.
- the partition 1 and the anti-fog patch 2 are separated by a certain range of non-contact areas, and the space formed by the space of the area 3" means the space in the partition 3
- the cover 1 does not have a large area contact with the main portion of the anti-fog patch 2, but the manufacturing cover 1 and the anti-fog patch 2 are allowed to be subjected to various manufacturing errors, assembly errors, stresses, impact deformation, and the like.
- the small area contact caused by the factor also allows a small area of contact between the shield 1 and the anti-fog patch 2 due to the provision of various isolation structures such as the spacer nails, the isolation projections, the isolation ribs, and the like.
- the annular strip-shaped micro-embossed flange 401 in the present invention means that the flange 401 exhibits a structural state of a raised or convex stalk or flange with respect to the surface of the shield 1. And the stalk or flange is in the shape of a ring in a closed configuration.
- the anti-fog patch 2 can completely cover the area enclosed by the annular stalk or flange, and the stalk or flange may have a plurality of strips (the spurs or flanges may be cross-connected to each other or may be surrounded by each other); it is also to be noted that the partition space 3 of the present invention is a relatively complete enclosed space and is separated.
- the space 3 may be one or more, and the best case is that the partition space 3 is a separate space completely isolated from the outside atmosphere, and is located in front of the driver's eyes when the shield 1 is completely collapsed. Due to the existence of the partition space 3, the present invention can effectively block or alleviate the temperature difference between the inner and outer surfaces of the shield 1, so that the shield 1 is kept away from the dew point temperature, thereby preventing or alleviating the generation of water mist on the surface of the shield 1.
- the flange 401 and the shield 1 are integrally formed, and good product consistency can be obtained, and the assembly quality of the helmet cover can be improved.
- At least one isolation boss 5 is disposed on the inner side surface of the shield 1 or the outer side surface of the anti-fog patch 2 .
- the present invention may be on the inner side of the shield 1 or the anti-fog patch 2
- At least one micro-embossed isolation boss 5 is disposed on the outer side surface. The optimal structure is that the isolation boss 5 is disposed on the shield 1 and integrally formed with the shield 1.
- the two sides of the inner side of the shield 1 are provided with positioning pins 101, and the anti-fog patch 2 is provided with a card slot 201 adapted to the positioning pins 101.
- the "positioning protrusions 101 provided on both sides of the inner side surface of the shield 1" as described in the present embodiment means that the left and right sides of the symmetry line or the symmetry plane of the shield 1 on the inner side surface of the shield 1 are A positioning stud 101 is provided.
- the end of the positioning stud 101 is provided with a cap 102.
- the structure of the positioning protrusion 101 and the card slot 201 is used for quick assembly and quick operation, and the cap 102 can be placed.
- the card slot 201 is detached.
- the positioning stud 101 and the shield 1 are in the form of an integrally formed structure.
- the positioning nail 101 is integrally formed with the shield 1 to effectively improve production efficiency and improve quality stability and consistency.
Landscapes
- Helmets And Other Head Coverings (AREA)
Abstract
一种头盔护罩防雾构造，包括护罩（１）和防雾贴片（２），其中防雾贴片（２）采用弹性的透明材料制作并安装在护罩（１）的内侧面上，所述护罩（１）与防雾贴片（２）之间至少设置有一个分隔空间（３），所述分隔空间（３）通过分隔机构（４）形成，所述分隔机构（４）包括所述护罩（１）内侧面上设置的环形条状的凸边（４０１）、所述护罩（１）内侧面上设置的第一凹槽（４０２）以及所述防雾贴片（２）外侧面上设置的第二凹槽（４０３）中一种或多种，该头盔护罩防雾构造能够有效提高产品的质量稳定性、一致性和生产效率。
Description
技术领域
本发明涉及一种头盔护罩防雾构造。
背景技术
赛车和摩托车驾驶员必须佩戴头盔以保护其头部的安全，为了防止风沙对眼睛的伤害，许多头盔都配装有位于眼睛前的可以上下打开或者启闭的护罩。通常，护罩由薄片状的透明材料制作而成，当驾驶员驾驶车辆行驶时，一般会将护罩落下并使其位于驾驶员的脸前以保护眼睛免受风沙和雨水的侵扰。然而，当护罩落下扣紧在头盔本体上时，由于驾驶员呼吸产生的水汽以及头盔内外温差的作用，头盔内的水汽极易在护罩上凝结成一层水雾，从而影响驾驶员的视线并会危及驾驶员的行车安全。为防止护罩上出现起雾，可在护罩朝向人脸一侧的内侧面上配装上一片防雾贴片，并使防雾贴片与护罩之间保留有一定的隔离缝隙，利用该缝隙形成封闭的分隔空间以隔断或缓和护罩内外表面的温差，从而使护罩远离水汽的露点温度，由此阻止水雾的形成。
当前，带有防雾贴片的头盔护罩为了制造方便，一般都采用可拆卸式的防雾贴片，亦即防雾贴片与护罩是分开制作的，之后通过配装再将两者组合成在一起。为了获得防雾贴片与护罩本体之间的分隔空间，现有技术的做法是：在防雾贴片的外侧面涂覆一条由硅胶等弹性材料构成的密封条，该密封条呈环形并呈闭合状，最后将防雾贴片涂覆有上述密封条的外侧面贴合护罩，利用密封条的隆起高度在防雾贴片与护罩本体之间形成一个相对完全封闭的分隔空间。但是，这种结构存在以下缺陷：产品质量的一致性较差，这是由于分隔空间的获得涉及到涂覆密封条的工艺流程，因此必然受到密封材料的性质以及加温、挤出、定型等工艺参数的影响，一方面涂覆密封条与防雾贴片结合牢靠度的一致性难以保证，另一方面涂覆密封条隆起高度的一致性以及环状闭合完好度很难控制，上述不利因素造成了护罩配装防雾贴片的过程中质量稳定性及一致性较差；此外，生产流程的工序较多，生产效率低，成本高。
发明内容
为了克服现有技术的不足，本发明提供一种头盔护罩防雾构造，能够有效提高产品的质量稳定性、一致性和生产效率。
本发明解决其技术问题所采用的技术方案是：
一种头盔护罩防雾构造，包括护罩和防雾贴片，其中防雾贴片采用弹性的透明材料制作并安装在护罩的内侧面上，所述护罩与防雾贴片之间至少设置有一个分隔空间，所述分隔空间通过分隔机构形成，所述分隔机构包括所述护罩内侧面上设置的环形条状的凸边、所述护罩内侧面上设置的第一凹槽以及所述防雾贴片外侧面上设置的第二凹槽中一种或多种。
作为上述技术方案的改进，所述凸边设置有至少一个。
作为上述技术方案的进一步改进，所述凸边与所述护罩采用一体成型制作的结构形式。
进一步，所述护罩的内侧面或者防雾贴片的外侧面上设置有至少一个隔离凸台。
进一步，所述护罩内侧面的两侧设置有定位凸钉，所述防雾贴片上设置有与所述定位凸钉适配的卡槽。
进一步，所述定位凸钉的端部设置有帽头。
进一步，所述定位凸钉与护罩采用一体成型制作的结构形式。
本发明的有益效果是：利用凸边的隆起高度或者第一凹槽、第二凹槽的深度构成护罩与防雾贴片之间的分隔空间，以隔断或缓和护罩内外表面的温差，达到防雾的目的；凸边与第一凹槽、第二凹槽通过批量生产成型，一致性好，消除现有技术中涂覆密封条等生产步骤；凸边或第一凹槽边缘与防雾贴片密封结合的密封性好，第二凹槽边缘与护罩密封结合的密封性好，分隔空间闭合的完整性好，由此保证分隔空间缓和温差的效果良好，可有效地提高头盔护罩与防雾贴片组装的质量稳定性、一致性和生产效率。
附图说明
下面结合附图和实施例对本发明作进一步说明。
图1是本发明的分解结构示意图；
图2是本发明的主视图；
图3是本发明中凸边的结构示意图；
图4是本发明中第一凹槽的结构示意图；
图5是本发明中第二凹槽的结构示意图。
具体实施方式
参照图1~图5，一种头盔护罩防雾构造，包括护罩1和防雾贴片2，其中防雾贴片2采用弹性的透明材料制作并安装在护罩1的内侧面上，所述护罩1与防雾贴片2之间至少设置有一个分隔空间3，所述分隔空间3通过分隔机构4形成，所述分隔机构4包括所述护罩1内侧面上设置的环形条状的凸边401、所述护罩1内侧面上设置的第一凹槽402以及所述防雾贴片2外侧面上设置的第二凹槽403中一种或多种。分隔空间3的形成包含有下列三种结构的一种或多种：A、在护罩1的内侧面上设置有环形条状的凸边401，防雾贴片2被紧贴在该凸边401上，并依赖凸边401隆起的高度将护罩1与防雾贴片2分隔出一定范围的不接触的区域，由该区域的空间构成分隔空间3；B、在护罩1的内侧面上设置有沉陷的第一凹槽402，第一凹槽402可根据护罩1的形状设置，防雾贴片2紧贴在该第一凹槽402的边缘上，并依靠第一凹槽402的沉陷深度将护罩1与防雾贴片2分隔出一定范围的不接触的区域，由该区域的空间构成分隔空间3；C、在防雾贴片2外侧面上设置有微沉陷的第二凹槽403，第二凹槽403可根据防雾贴片2的形状设置，该第二凹槽403的边缘与护罩1紧密贴合，并依靠第二凹槽403的沉陷深度将护罩1与防雾贴片2分隔出一定范围的不接触的区域，由该区域的空间构成上述分隔空间3。特别需要指出的是，本发明所说的“将护罩1与防雾贴片2分隔出一定范围的不接触的区域，由该区域的空间构成分隔空间3”是指在该分隔空间3的区域范围内，护罩1与防雾贴片2的主体部分不发生大面积的接触，但允许因护罩1及防雾贴片2由于各种制造误差、装配误差、受力及冲击变形等因素而导致的小面积的接触，另外还允许因设置各种隔离结构如隔离钉、隔离突台、隔离凸条等而导致的护罩1与防雾贴片2发生小面积的接触。需要说明的是，本发明中所说的环形条状的微隆起的凸边401，乃指该凸边401相对于护罩1的表面呈现出隆起或凸起的突梗或者凸缘的结构状态，且该突梗或凸缘呈现为闭合形态的环形状，最佳情形是防雾贴片2能够完全覆盖住该环形的突梗或凸缘所围成的区域，突梗或凸缘可以有多条（此时各突梗或凸缘既可以相互交叉相连也可以相互独立呈环抱状）；另外需要说明的是，本发明所述的分隔空间3为一种相对完整的封闭空间，并且分隔空间3可以是一个也可以有多个，其最佳情形是分隔空间3为与外界大气完全隔绝的独立空间、且当护罩1完全扣落时位于驾驶员眼睛的前方。本发明由于分隔空间3的存在，因此可以有效隔断或缓和护罩1内外表面的温差，从而护罩1远离露点温度，进而达到阻止或缓解水雾在护罩1表面生成的目的。
在本实施例中，优选的，所述凸边401与所述护罩1采用一体成型制作的结构形式，可以获得良好的产品一致性，提高头盔护罩的装配质量。
在本实施例中，优选的，所述护罩1的内侧面或者防雾贴片2的外侧面上设置有至少一个隔离凸台5。为了防止在分隔空间3的区域范围内防雾贴片2与护罩1的本体发生大面积接触，以便获得最佳的防雾效果，本发明可以在护罩1内侧面或者防雾贴片2外侧面上设置至少一个微隆起的隔离凸台5，其最佳结构是隔离凸台5设置在护罩1上并与护罩1采用一体成型制作。
在本实施例中，优选的，所述护罩1内侧面的两侧设置有定位凸钉101，所述防雾贴片2上设置有与所述定位凸钉101适配的卡槽201。在这里，本实施例所述的“护罩1内侧面的两侧设置有定位凸钉101”是指在护罩1的内侧面上关于护罩1的对称线或对称面的左右两侧均设置有定位凸钉101。优选的，所述定位凸钉101的端部设置有帽头102。为了能够快捷和可靠地定位并约束防雾贴片2在护罩1本体上的相对位置，采用定位凸钉101与卡槽201配合卡装的结构，组装快捷，操作简单，帽头102可放置卡槽201脱离。
在本实施例中，优选的，所述定位凸钉101与护罩1采用一体成型制作的结构形式。定位凸钉101与护罩1一体成型，能有效提高生产效率并提高质量的稳定性和一致性。
以上所述，只是本发明的较佳实施方式而已，但本发明并不限于上述实施例，只要其以任何相同或相似手段达到本发明的技术效果，都应落入本发明的保护范围之内。
Claims (7)
- 一种头盔护罩防雾构造，包括护罩(1)和防雾贴片(2)，其中防雾贴片(2)采用弹性的透明材料制作并安装在护罩(1)的内侧面上，其特征在于:所述护罩（1）与防雾贴片（2）之间至少设置有一个分隔空间（3），所述分隔空间（3）通过分隔机构（4）形成，所述分隔机构（4）包括所述护罩（1）内侧面上设置的环形条状的凸边（401）、所述护罩（1）内侧面上设置的第一凹槽（402）以及所述防雾贴片（2）外侧面上设置的第二凹槽（403）中一种或多种。
- 根据权利要求1所述的一种头盔护罩防雾构造，其特征在于：所述凸边（401）设置有至少一个。
- 根据权利要求2所述的一种头盔护罩防雾构造，其特征在于：所述凸边（401）与所述护罩(1) 采用一体成型制作的结构形式。
- 根据权利要求1所述的一种头盔护罩防雾构造，其特征在于：所述护罩（1）的内侧面或者防雾贴片(2)的外侧面上设置有至少一个隔离凸台（5）。
- 根据权利要求1所述的一种头盔护罩防雾构造，其特征在于：所述护罩（1）内侧面的两侧设置有定位凸钉（101），所述防雾贴片（2）上设置有与所述定位凸钉（101）适配的卡槽（201）。
- 根据权利要求4所述的一种头盔护罩防雾构造，其特征在于：所述定位凸钉（101）的端部设置有帽头（102）。
- 根据权利要求5所述的一种头盔护罩防雾构造，其特征在于：所述定位凸钉（101）与护罩（1）采用一体成型制作的结构形式。
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| CN107788606A (zh) * | 2017-11-29 | 2018-03-13 | 佛山科学技术学院 | 一种防雾头盔 |
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| CN204949669U (zh) * | 2015-09-09 | 2016-01-13 | 江门市鹏程头盔有限公司 | 一种头盔护罩防雾构造 |
| CN205040725U (zh) * | 2015-09-09 | 2016-02-24 | 江门市鹏程头盔有限公司 | 一种具有整体式防雾贴片定位结构的头盔护罩 |
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| DE19952219C2 (de) * | 1999-10-29 | 2003-07-03 | Uvex Sports Gmbh & Co Kg | Visier für einen Helm, insbesondere einen Motorradhelm |
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| JP5468469B2 (ja) * | 2010-06-03 | 2014-04-09 | 株式会社Ｓｈｏｅｉ | シールドへの防曇シート取り付け構造 |
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| US4047249A (en) * | 1975-12-29 | 1977-09-13 | Booth Robert G | Protective helmet and face shield assembly therefor |
| JPS63219609A (ja) * | 1987-03-02 | 1988-09-13 | ヤマハ発動機株式会社 | ヘルメツト用のシ−ルド |
| CN201948060U (zh) * | 2010-12-30 | 2011-08-31 | 厦门宇诠复材科技有限公司 | 头盔用中空多功能双层镜片结构 |
| WO2015149137A1 (en) * | 2014-04-04 | 2015-10-08 | Pwl&Rs Patents Bvba | Visor assembly |
| CN105124851A (zh) * | 2015-09-09 | 2015-12-09 | 江门市鹏程头盔有限公司 | 一种具有整体式防雾贴片定位结构的头盔护罩 |
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| CN204949669U (zh) * | 2015-09-09 | 2016-01-13 | 江门市鹏程头盔有限公司 | 一种头盔护罩防雾构造 |
| CN205040725U (zh) * | 2015-09-09 | 2016-02-24 | 江门市鹏程头盔有限公司 | 一种具有整体式防雾贴片定位结构的头盔护罩 |
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