WO2003096833A1 - Helmet - Google Patents

Helmet Download PDF

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Publication number
WO2003096833A1
WO2003096833A1 PCT/CN2002/000338 CN0200338W WO03096833A1 WO 2003096833 A1 WO2003096833 A1 WO 2003096833A1 CN 0200338 W CN0200338 W CN 0200338W WO 03096833 A1 WO03096833 A1 WO 03096833A1
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WO
WIPO (PCT)
Prior art keywords
helmet
shell
helmet shell
full
buckle
Prior art date
Application number
PCT/CN2002/000338
Other languages
English (en)
French (fr)
Inventor
Zhenmin Zhang
Original Assignee
Zhenmin Zhang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Application filed by Zhenmin Zhang filed Critical Zhenmin Zhang
Priority to AU2002311143A priority Critical patent/AU2002311143A1/en
Priority to PCT/CN2002/000338 priority patent/WO2003096833A1/zh
Priority to CNB028288955A priority patent/CN1313041C/zh
Publication of WO2003096833A1 publication Critical patent/WO2003096833A1/zh

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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
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • 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
    • A42B3/08—Chin straps or similar retention devices

Definitions

  • the invention relates to a bulletproof protective helmet for military or civilian use or for riot prevention. Background technique
  • the existing protective helmet consists of a helmet shell, a helmet top suspension system, a chin strap and its connecting parts.
  • the function of the helmet shell is to prevent the projectile or debris from penetrating, anti-collision, rainwater, etc., to effectively protect the wearer's head; the helmet shell can also provide the installation of protective masks and other protection, measurement, communication devices;
  • the material is determined according to specific needs.
  • the key is to protect the safety of the user's head. It should be small in weight and easy to process. It is usually divided into metal, non-metal and composite helmet.
  • the structure is shaped according to the shape of the head.
  • the brim-like ellipsoidal structure is the key to achieving a good protective effect, making it difficult for the projectile to break down.
  • the existing protective helmet will see 5 to 6 fixing screws (mother) on the helmet shell, and there are 5 to 6 connecting holes in the corresponding parts, so that the helmet shell and the helmet overhead suspension system and other components are connected. Together, the overall protective helmet is formed, and the protective performance is reduced by the presence of the connecting hole. The reason is that the punching will damage the overall structure of the helmet shell, especially the non-metallic bulletproof helmet requires the suspension system to withstand 3 minutes and 4 5 kg. Pulling force, the fixing nut for fixing is generally ⁇ 6, fixed with m4 screws. According to the US ML standard, the ballistic test is avoided within 38 mm around the hole. In other words, the ballistic performance requirement is not reached within this range.
  • the non-metallic bulletproof materials used today are usually made of fabrics such as aramid, high-strength and high-modulus PE.
  • fabrics such as aramid, high-strength and high-modulus PE.
  • punching the filaments and threads of the fabric are cut or removed, because the thread is cut or missing.
  • the impact strength and crimp strength will naturally decrease; when punching, not only the thread will be cut, but also around the hole will be crushed and deformed, so that the structure of the helmet shell is destroyed, so within 38mm of the hole, ie (38 + 3) )
  • the bulletproof requirement is not reached within the radius of the circle.
  • the connection method of the helmet shell in the past was 6? L, now changed to 5 holes, that is, one hole in front of it is removed, and the fixing method is fixed to the bonding method to facilitate bulletproof, but its stability is poor. For 5 ⁇ 6 holes, it does not meet the performance requirements.
  • the area is:
  • the bulletproof area is 129187.78mm 2 , that is to say, only 5 holes, the large helmet has more than 20% effective area can not meet the performance requirements, if you calculate by 6 holes, it does not reach The effective bulletproof area is approximately 28%. Moreover, if the bullet hits the screw (mother), it will be more harmful to people. For medium and small helmets, the area that does not meet the bulletproof requirements is the same as above, and the proportion will be even larger.
  • first-class bulletproof helmet metal helmet is not more than 1400g; non-metallic helmet is not more than ll OOg; composite helmet is not more than 1300g; secondary bulletproof helmet: metal helmet is not more than 2100g; non-metallic helmet Not more than 1500g; composite helmet is no more than 1750g. Therefore, in order to connect the suspension system to the helmet shell, it must have metal structures such as fixing screws, nuts, connecting pieces, etc., which are light in weight of several tens of grams, weighs hundreds of grams, and are waterproof, rustproof and comfortable. There is a problem.
  • the suspension system of the existing protective helmet is composed of a head circumference adjusting member and a head height adjusting member; the function is to adjust the components according to the head circumference and the head height of different head types, so as to achieve a safe and comfortable position for wearing, squatting
  • the belt is composed of two side adjustment belts, a locking mechanism, a lower support, etc.; its function is to adjust the locking mechanism, the lower support, etc. according to the size of the face to make it reach a proper position.
  • the connecting piece includes a lifting ring at both ends of the head high-profile belt and 5 to 6 sets of special screws and nuts connecting the helmet shell, the suspension system and the chin strap.
  • the lifting ring is generally made of metal or hard plastic.
  • the screws and nuts are all metal structures, which are easy to fall off and rust.
  • the present invention focuses on solving the technical problem that the effective area of about 20% to 28% cannot reach the ballistic performance requirement due to the provision of the connecting hole on the helmet shell, and further improves its
  • the squat belt has defects that are inconvenient to adjust and cannot achieve the most comfortable wearing effect.
  • the technical solution adopted by the present invention is: removing the metal connecting member of the helmet shell and the like, and mounting fixing screws and screws for connecting the helmet shell, the suspension system and the chin strap on the helmet shell.
  • the mother instead of the function is: the helmet shell is a structurally intact non-porous helmet shell, a plurality of buckle sleeves are arranged on the inner wall surface of the helmet shell, and the helmet suspension system and the chin strap connection belt pass through the buckle sleeve and the helmet connection.
  • the helmet shell is made of a non-metallic material or a metal material outside and is made of a non-metallic material, and the buckle sleeve is integrally formed on the inner wall of the helmet shell.
  • the buckle sleeve is composed of four rope sleeves which are arranged in a square shape, and can also be composed of two rope sleeves arranged in the longitudinal direction.
  • the helmet shell is made entirely of metal material or the outer non-metallic material is made of metal material composite.
  • the buckle sleeve is composed of two metal round sticks arranged vertically and horizontally or four metal round sticks arranged in four squares.
  • the metal round bar is welded to the inner wall of the metal.
  • the buckle is provided with one or two grooved fixing pieces, and the helmet suspension system and the chin strap are connected to the helmet shell through the wearing groove of the fixing piece.
  • the helmet shell is made of a non-metallic material or a metal material on the outside, which is made of a non-metallic material, and is provided with a grooved fixing piece bonded to the inner wall of the helmet shell.
  • the helmet shell is made entirely of metal material or the outer non-metallic material is made of a composite of metal materials, and is provided with a grooved fixing piece welded to the inner wall of the helmet shell.
  • the buckles are six, which are distributed at the lower part of the helmet shell at two positions on the two sides of the wearer's head, one at a time.
  • the two side adjustment belts of the chin strap are connected in one body, and a buckle is formed by adjusting the fixing belt with respect to the buckle sleeve and the head circumference of the back of the head, pulling forward on both sides, and directly locking the buckle on one side adjustment belt It is easy to slide on the upper side, and the adjustment belt on the other side is in the proper Y shape, and is equipped with the upper and lower brackets and the lock head.
  • connection method of the suspension system and the helmet shell is an assembly connection. That is, the fixing strap of the head connecting member is connected to the helmet shell through the left and right ropes of the buckle sleeve; the fixing strap of the head height adjusting member is fixed to the helmet shell through the corresponding upper and lower ropes.
  • the effective protection area is 100%, that is, all the effective abbreviations are full effect, and the invention is particularly suitable for use as an armor and armor for military and police.
  • Tank helmets, aviator helmets and riot helmets are used.
  • the effective protection area can be increased by at least 20%, up to 30%, so that the effective protection area reaches 100%;
  • Figure 1 is a schematic view of the appearance of a conventional protective helmet.
  • Figure 2 is a schematic view of the appearance of the protective helmet of the present invention.
  • Fig. 3 is a schematic view showing the internal structure of the helmet casing of the present invention, emphasizing that the head circumference adjusting member, the head height adjusting member and the helmet shell in the suspension system are connected to the helmet shell through the buckle sleeve.
  • Fig. 4 is a view showing the fixing band of the buckle and the head circumference connector of the present invention and the head height adjusting member fixing band being fixed to the helmet case through the corresponding left and right strings and the upper and lower strings.
  • the protective head helmet 1 of the present invention has no connecting holes and no screws (female) on the outer surface, and the overall structure of the helmet is complete.
  • the internal structure of the helmet case shown in FIG. 3 is characterized in that: the inner wall surface of the helmet shell 1 is embedded with a buckle sleeve 1 1 1 , and a preferred structural form of the buckle sleeve is designed as two left and right sides.
  • Rope 11 1 1, upper and lower two ropes 11 11 ' please refer to Figure 4, of course, you can also set only two vertical and horizontal ropes, such as 'i' or 'r, shape; according to the experiment, up and down, left and right
  • the suspension system can be firmly connected by a single rope. In order to improve the reliability, the double design is adopted. If one is broken during use, the other one can still be used normally.
  • the fixing strap 12 of the headgear connector of the suspension system is connected to the helmet shell 1 through the left and right cords 1 1 1 1 of the buckle sleeve; the head height adjusting member fixing strap 13 passes through the corresponding upper and lower ropes 1 1 1 and The helmet shell is fixed, so that the original multiple sets of screws (mother) and the connecting holes are connected, so that the effective protection area Reach 100%.
  • the buckle sleeve of the present invention is preferably six, symmetrically distributed at the lower portion of the helmet shell with respect to two sides of the wearer's head, one position at the front and the back, that is, at a position corresponding to the original six connection holes. .
  • the buckle sleeve when the helmet shell is made of a non-metal material, the buckle sleeve is capable of withstanding a monofilament with a bending resistance greater than 240 X 10 3 times and a wear resistance greater than 1 10 X 10 3 times during the production process of the helmet shell, and processing
  • a special string with a tensile strength of more than 50 kg is embedded in a non-metallic material at a specific position in the helmet shell as shown in Fig. 3, that is, four ropes are continuously sewn into the shell material, and the rope is located in the shell.
  • a gap between the wall of the helmet and the wall of the helmet is reserved for the connection of the belt, and then formed by high temperature and high pressure molding, or a fixing piece having a groove can be prefabricated to be adhered to the inner casing wall, so that the rope or the fixing piece is firmly fixed. It is fixed on the inner wall of the helmet shell to form a buckle sleeve which can be vertically and horizontally connected to the sleeve.
  • the metal round bar can be directly welded or bonded to the inner wall surface of the helmet shell as a buckle.
  • the adjusting belts on both sides of the lower chin strap 14 are integrally connected, and a buckle is formed by adjusting the fixing strap with respect to the buckle sleeve and the head circumference of the back of the head, and the lock is pulled forward on both sides.
  • the buckle 15 is directly sleeved on one side adjustment belt for easy sliding, fixed with the lock, and can be finely adjusted after the lock is fixed, and the adjustment belt on the other side is an appropriate Y shape, and is equipped with the upper and lower brackets 16 and the lock head. 17.

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  • Helmets And Other Head Coverings (AREA)

Description

全效防弹防护头盔 技术领域
本发明涉及军警民用或防暴用的防弹防护头盔。 背景技术
现有的防护头盔是由盔壳、 盔顶悬挂系统、 下颏带及其连接件组成。 其 中， 盔壳的功能是阻止弹丸或碎片穿透、 防碰撞、 防雨水等， 有效保护佩戴 者头部安全； 盔壳还可提供安装防护面罩及其它防护、 测量、 通讯装置； 盔 壳的选用材料根据具体需要而定， 关键是保护使用者的头部安全， 并应做到 比重小、 易加工， 通常分为金属、 非金属、 复合盔三种， 结构按头部形状进 行造型， 采用前帽沿类椭球形结构， 关键是做到防护效果好， 使其不易被弹 丸等击穿。
参见图 1所示，现有防护盔在盔壳上均会见到 5至 6只固定用螺钉（母）， 相应处就有 5至 6个连接孔， 使盔壳与盔顶悬挂系统等部件连接在一起， 形 成整体防护盔， 而防护性能就会因连接孔的存在而降低， 原因是打孔会破坏 盔壳的整体结构，尤其是非金属防弹头盔要求其悬挂系统需承受 3分钟 4 5 kg的拉力， 其固定用内藏螺母一般外径为 Φ 6， 用 m4 螺钉固定。 根据美国 ML标准， 其孔周围 38mm范围内避免做防弹试验， 换句话说， 即此范围内 达不到防弹性能要求。 现在所用的非金属防弹材料， 通常使用的是芳纶、 高 强高模 PE等织物制成， 在打孔时， 就会将织物的丝、 线切断或去掉一段， 由于丝线被切断或少了一段， 其抗冲击强度、 压接强度自然会降低； 打孔时 不仅是切断丝线， 孔周围也会被挤压变形， 使盔壳结构遭到破坏， 所以孔周 围 38mm范围内， 即 （38 + 3 ) 半径的圆圈内就达不到防弹要求。 为提高防 弹性能，过去盔壳的连接方式为 6？ L ,现改为 5孔， 即正前面的一个孔去掉， 改为粘结方法固定悬挂系统， 以利于防弹， 但其稳固性差， 就 5个 Φ 6的孔 而言， 其达不到性能要求的面积为：
Π · r2 X 5 = 3.1415 X ( 38 + 3 ) 2 X 5 = 26405mm2 按中国制式公安大号盔的防弹面积为 129187.78m m2， 就是说， 仅按 5 孔计算， 其大号盔就有超过 20%有效面积达不到性能要求， 若按 6孔算， 其 达不到有效防弹面积约为 28%。 而且子弹万一打在螺钉（母）上， 其对人的 危害会更大。 对中小号盔而言， 其达不到防弹要求的面积与上述相同， 其比 例会更大。
另一方面，按中国制式公安盔标准：一级防弹盔：金属头盔不大于 1400g; 非金属头盔不大于 l l OOg; 复合头盔不大于 1300g; 二级防弹盔： 金属头盔 不大于 2100g; 非金属头盔不大于 1500g; 复合头盔不大于 1750g。 因此， 为使悬挂系统与盔壳连接， 就得有固定螺钉、 螺母、 连接片等金属结构， 其 重量轻则几十克， 重则上百克， 且在防水、 防锈和舒适性方面都存在问题。
现有防护头盔的悬挂系统， 由头围调节件、 头高调节件等组成； 其功能 是按不同头型的头围、 头高调节各部件， 使其达到佩戴安全、 舒适的确定位 置， 下颏带由两侧调节带、 锁紧机构、 下托等组成； 其功能是按面部大小调 节锁紧机构、 下托等， 使其达到合适位置。 连接件包括头高调带两端的吊环 及其将盔壳、 悬挂系统、 下颏带连接在一起的 5至 6套特制螺钉、 螺母。 吊 环一般为金属或硬塑料制成， 螺钉、 螺母均为金属结构， 存在易脱落、 锈蚀 等问题。
再者， 现有防护头盔下颏带的两侧调节带上的锁扣是固定不可调的， 无 法根据佩戴者头颅形状大小较好地加以调整以便达到最舒适的状态，有时甚 至该较硬的环扣硌压在下颏骨上使人感觉很难受， 重达 1.5 kg左右的盗壳前 倾或后仰都会影响佩戴者行动， 也有改进的必要。 发明内容
针对以上所指出的现有防弹防护头盔的缺陷， 本发明着重解决由于盔壳上 设有连接孔而导致约 20%〜28%的有效面积达不到防弹性能要求的技术问题， 并进一步改进其下颏带因调节不便而产生的无法实现最舒适佩戴效果的缺陷。
为此， 本发明所采取的技术方案是： 去掉盔壳等部位的金属连接件， 在 盔壳上没有用于将盔壳、悬挂系统及下颏带连接在一起的安装固定螺钉、 螺 母， 代之其功能的是： 盔壳为结构完整的无孔盔壳， 在盔壳内部壁面上设有 多个扣套， 头盔悬挂系统和下颏带的连接带通过此扣套而与头盔连接。
盔壳是全部为非金属材料或外面为金属材料里面为非金属材料复合制成， 而 所说的扣套是一体成型在盔壳内壁上。
所说的扣套由四根围成四方形的绳套组成，也可由两根纵横向设置的绳套组成。 盔壳是全部为金属材料或外面为非金属材料里面为金属材料复合制成， 所说 的扣套由两根纵横向设置的金属圆棍或由四根围成四方形设置的金属圆棍组成， 金属圆棍焊固在金属内壳壁上。
所说的扣套是设有一个或两个穿带槽的固定片， 头盔悬挂系统和下颏带的连 接带穿过固定片的穿带槽而与盔壳连接。
盔壳是全部为非金属材料或外面为金属材料里面为非金属材料复合制成， 设 有穿带槽的固定片粘接在盔壳内壁上。
盔壳是全部为金属材料或外面为非金属材料里面为金属材料复合制成， 设有 穿带槽的固定片焊接在盔壳内壁上。
所说的扣套为六个，其分布于盔壳下部相对于佩戴者头部两侧各两个，前后各 一个的位置处。
下颏带的两侧调节带连为一体， 并通过相对于头后部的扣套和头围调节固定 带形成一个反扣， 于两侧拉向前，将锁扣直接套在一侧调节带上而便于任意滑动， 另侧的调节带为恰当的 Y形， 并配上下托和锁头。
采取了上述结构设计后， 悬挂系统与盔壳的连接方法是装配连接。 即头 围连接件的固定带通过扣套的左右绳与盔壳连接； 头高调节件的固定带， 穿 过相应上下绳与盔壳固定。 如此， 去掉盔壳上的 5至 6个安装孔及其相应的 螺钉 （母） ， 使有效防护面积达到百分之百， 即全部有效简称全效， 本发明 特别适合于作为军队、警察用防弹盔、装甲坦克盔、飞行员盔和防暴盔使用。
采用上述技术方案后可为本发明带来如下的优点：
1) 因盔壳上无金属件和安装孔， 保持原头盔结构与整体功能， 其有效防 护面积至少可提高 20%，高达 30%左右，使有效防护面积达到 100%;
2) 提高了防弹丸、 防碎片、 防碰撞、 防雨水等功能。 3) 取消了悬挂系统中的吊带固定片和特制金属锁紧螺钉（母） ， 减轻重 量几十克至上百克；
4) 克服了金属件易锈蚀、 脱落的缺点；
5) 消除了万一击中螺钉、 螺母部位后造成更大危害的可能性；
6) 对于非金属盔壳或内部为非金属复合盔壳来说，克服了头部碰撞固定 件造成伤害的可能性。
下面结合附图进一步详细说明本发明的结构特征。 附图说明
图 1是现有防护头盔的外观示意图。
图 2是本发明的防护头盔外观示意图。
图 3是本发明盔壳内部结构的示意图，重点显示悬挂系统中的头围调节 件、 头高调节件与盔壳通过扣套与盔壳连接。
图 4 显示本发明的一个扣套与头围连接件的固定带和头高调节件固定 带穿过相应左右绳和上下绳与盔壳固定的示意图。 具体实施方式
请参见图 2并与图 1所示的现有防护头盔比较， 很明显，本发明的防护头 盔 1， 在外表上看没有任何连接孔， 也没有螺钉（母） ， 头盔的整体结构完整。
请见图 3 所显示的盔壳内部结构示意图， 本发明的特征在于： 盔壳 1 1 内部壁面上埋设有扣套 1 1 1 , 此扣套一种较佳的构造形态是设计成左右两根 绳 11 1 1， 上下两根绳 11 11 ' ， 请配合参见图 4， 当然也可以只设两根纵横 向设置的绳， 比如设置成 ' i ' 或 ' r， 形态； 根据实验， 上下、 左右各用 一条绳就可牢固连接悬挂系统， 为提高其可靠性， 均采用加倍设计， 使用期 间万一断了一根， 另一根仍能正常使用。
请参见图 4，悬挂系统的头围连接件的固定带 12通过扣套的左右绳 1 1 1 1 与盔壳 1 1连接； 头高调节件固定带 13，穿过相应上下绳 1 1 1 与盔壳固定， 如此， 摒弃了原有的多套螺钉 （母） 与连接孔的连接方式， 使有效防护面积 达到百分之百。
本发明的扣套较佳为六个，对称地分布于盔壳下部相对于佩戴者头部两侧 各两个， 前后各一个的位置处， 也就是相当于原来设置六只连接孔的位置处。
本发明中当盔壳是非金属材料制成的时， 扣套是在盔壳生产过程中， 将 能承受耐弯曲大于 240 X 103 次、耐磨大于 1 10 X 10 3次的单丝， 加工成拉伸 强度大于 50 kg的特殊细绳， 按图 3所示于盔壳内特定位置埋入非金属材料 中， 也就是将四根绳连续穿缝于盔壳材料中， 位于壳内的绳与盔壳壁之间预 留出可供连接带穿过的空隙， 再高温高压成型， 也可以预制成具有穿带槽的 固定片粘接在内壳壁上， 使绳或固定片牢固地固定在盔壳内壁上， 形成可纵 横穿套连接带的扣套。 而当盔壳全部或内侧为金属材料时， 可直接在盔壳内 壁面上焊接或粘结金属圆棍， 作为扣套。
若需要安装面罩及其它防、 测量、 通讯装置， 可在盔壳上增设相应的扣 套或预埋件满足需要。
再请参见图 2所示， 下颏带 14的两侧调节带连为一体， 并通过相对于 头后部的扣套和头围调节固定带形成一个反扣， 于两侧拉向前将锁扣 15直 接套在一侧调节带上而便于任意滑动， 随锁紧而固定， 并可在锁紧固定后进 行微调， 另侧的调节带为恰当的 Y形， 并配上下托 16和锁头 17。
如此可灵活地前后调节下颏带 14贴紧在下颏骨上的位置， 达到最舒适 地佩戴效果， 并避免较重的防护头盔前压或后仰影响行动的问题。

Claims

权利要求
1、 一种全效防弹防护头盔， 是由盔壳、 盔顶悬挂系统、 下颏带组成， 其特征 是盔壳为结构完整的无孔盔壳， 盔壳内部壁面上设有多个扣套， 头盔悬挂系统和 下颏带的连接带通过此扣套与盔壳连接。
2、根据权利要求 1所述的全效防弹防护头盔，其特征是盔壳是全部为非金属 材料或外面为金属材料里面为非金属材料复合制成， 而所说的扣套是一体成型在 盔壳内壁上。
3、根据权利要求 2所述的全效防弹防护头盔，其特征是所说的扣套由四根围 成四方形的绳套组成。
4、根据权利要求 2所述的全效防弹防护头盔，其特征是所说的扣套为由两根 纵、 横向设置的绳套组成。
5、根据权利要求 1所述的全效防弹防护头盔，其特征是盔壳是全部为金属材 料或外面为非金属材料里面为金属材料复合制成， 所说的扣套由两根纵、 横向设 置的金属圆棍或由四根围成四方形设置的金属圆棍组成， 金属圆棍焊固在金属内 壳壁上。
6、根据权利要求 1所述的全效防弹防护头盔，其特征是所说的扣套是设有一 个或两个穿带槽的固定片， 头盔悬挂系统和下颏带的连接带穿过固定片的穿带槽 而与盔壳连接。
7、根据权利要求 6所述的全效防弹防护头盔，其特征是盔壳是全部为非金属 材料或外面为金属材料里面为非金属材料复合制成， 设有穿带槽的固定片粘接在 盔壳内壁上。
8、根据权利要求 6所述的全效防弹防护头盔，其特征是盔壳是全部为金属材 料或外面为非金属材料里面为金属材料复合制成， 设有穿带槽的固定片悍接在盔 壳内壁上。
9、 根据权利要求 1至 8任一项所述的全效防弹防护头盔， 其特征是所说的扣 套为六个，其分布于盔壳下部相对于佩戴者头部两侧各两个，前后各一个的位置处。
10、 根据权利要求 9所述的全效防弹防护头盔， 其特征是下颏带的两侧调节 带连为一体， 并通过相对于头后部的扣套和头围调节件的固定带形成一个反扣， 于两侧拉向前， 将锁扣直接套在一侧调节带上而便于任意滑动， 另侧的调节带为 恰当的 Y形， 并配上下托和锁头。
PCT/CN2002/000338 2002-05-20 2002-05-20 Helmet WO2003096833A1 (en)

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CNB028288955A CN1313041C (zh) 2002-05-20 2002-05-20 全效防弹防护头盔

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CN114061375A (zh) * 2020-08-04 2022-02-18 浙江映甫防护科技有限公司 一种带有全防弹性能的警用防暴头盔

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CN101089544B (zh) * 2006-06-14 2010-05-26 张振民 无接插件、无孔连接的防弹头盔

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US4209858A (en) * 1977-04-25 1980-07-01 Coenen Benelux B. V. Safety helmet
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11207548B2 (en) 2004-10-07 2021-12-28 Guided Therapy Systems, L.L.C. Ultrasound probe for treating skin laxity
CN114061375A (zh) * 2020-08-04 2022-02-18 浙江映甫防护科技有限公司 一种带有全防弹性能的警用防暴头盔
CN114061375B (zh) * 2020-08-04 2024-03-19 浙江映甫防护科技有限公司 一种带有全防弹性能的警用防暴头盔

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