WO2002088497A1 - Serrure a vis - Google Patents

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Publication number
WO2002088497A1
WO2002088497A1 PCT/CN2001/000618 CN0100618W WO02088497A1 WO 2002088497 A1 WO2002088497 A1 WO 2002088497A1 CN 0100618 W CN0100618 W CN 0100618W WO 02088497 A1 WO02088497 A1 WO 02088497A1
Authority
WO
WIPO (PCT)
Prior art keywords
lock
keyhole
key
spiral
trifurcated
Prior art date
Application number
PCT/CN2001/000618
Other languages
English (en)
French (fr)
Inventor
Yung-Chen Huang
Original Assignee
Yung-Chen Huang
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.)
Filing date
Publication date
Application filed by Yung-Chen Huang filed Critical Yung-Chen Huang
Priority to EP01953742A priority Critical patent/EP1405968A4/en
Priority to US10/475,487 priority patent/US20040172992A1/en
Priority to PCT/CN2001/000618 priority patent/WO2002088497A1/zh
Priority to JP2002585766A priority patent/JP2004521208A/ja
Publication of WO2002088497A1 publication Critical patent/WO2002088497A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/06—Locks for use with special keys or a plurality of keys ; keys therefor for screw keys
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E05B67/06—Shackles; Arrangement of the shackle
    • E05B67/22—Padlocks with sliding shackles, with or without rotary or pivotal movement
    • E05B67/24—Padlocks with sliding shackles, with or without rotary or pivotal movement with built- in cylinder locks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7565—Plural tumbler sets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7881—Bitting

Definitions

  • the present invention relates to a lock, and more particularly to a lock having both a key and a keyhole having a multi-fork spiral shape, which can effectively improve its function of preventing theft.
  • the inventor of the present invention proposes a multi-fork spiral lock, which changes the lock posts arranged in a straight line into a spiral arrangement to effectively improve the anti-theft property of the lock.
  • the purpose of the present invention is to provide a screw lock with a keyhole having a multi-forked cross-section.
  • the space in the hole is smaller than that of a flat, circular, and cross-shaped keyhole.
  • the chance of being stolen by a thief or by using a tool other than a non-equipped key is also the smallest.
  • Another object of the present invention is to provide a multi-fork spiral lock, which can be made into various locks such as door locks and U-shaped locks with lock bodies and other accessories.
  • a spiral lock capable of achieving the above-mentioned object of the invention includes: a lock core, which is provided with a multi-fork spiral keyhole in the center, and each of the screw holes in the keyhole is respectively provided with a plurality of lock posts; and
  • the part of the front end used to rotate the keyhole is a multi-fork spiral key rod that matches the keyhole, and the key rod corresponds to the position of each lock post. It should be engraved with different depths of tooth grooves, so as to distinguish Hold and raise each lock post to an unlocked position.
  • the key lever at the front end of the key and the handle of the key should be connected in a relatively rotatable manner. Then, when the lock is unlocked, the key can be screwed into the keyhole.
  • the multi-fork spiral keyhole is preferably a tri-fork spiral keyhole
  • the multi-fork spiral key shaft is preferably a tri-fork spiral key shaft.
  • FIG. 1 is a perspective partial cross-sectional view of a screw lock of the present invention.
  • Fig. 2 is a perspective view of the lock core of the screw lock in a three-dimensional section:
  • FIG. 3 is an axial partial cross-sectional view of the screw lock shown in FIG. 1:
  • Fig. 4 is an axial partial cross-sectional view of a key in the screw lock:
  • FIG. 5 is a radial cross-sectional view taken along lines 5-5 in FIG. 4:
  • FIG. 6 is a partial axial sectional view of a screw lock of the present invention when it is applied to a U-shaped lock.
  • the spiral lock of the present invention includes: a lock core 10, a keyhole 11 having a multi-fork spiral shape is provided in the center; a lock body 20 is provided with a lock core 10 inside; A latch 30 at the other end of the heart 10; and a key 40.
  • the lock core 10 and the lock body 20 have an upper lock post hole 21 and a lower lock post hole 12 connected to each other. As shown in FIG. 1 and FIG. 2, the upper and lower lock post holes 21 and 12 are arranged in a radial pattern at an indefinite angle inside the lock core 10 and the lock body 20, and lock posts are sequentially arranged from the inside to the outside.
  • the key 40 shown in FIG. 1 includes a handle 41 and a multi-fork spiral body key shaft 42.
  • the plurality of helical tooth peaks 44 of the key lever 42 are engraved with the tooth grooves 43 of different depths corresponding to the positions of the lower lock posts 24 to form a lock fork drive rack with a multi-fork spiral arrangement.
  • the multi-fork spiral body key rod 42 at the front end of the key 40 rotates inside the multi-fork-shaped spiral key hole 11, and each tooth groove 43 on the key rod 42
  • the lower lock posts 24 in the keyhole 11 can be jacked up, and the lower lock posts 24 can be used to raise the upper lock post 23 and compress the lock post spring 22.
  • the depth of each tooth groove 43 is exactly the same as the length of the corresponding lower locking post 24 that extends into the keyhole 11.
  • the interface between the lower lock post 24 and the upper lock post 23 is exactly the same plane as the interface between the lock core 10 and the lock body 20, so the key 40 can drive the lock core 10 to rotate relative to the lock body 20.
  • the latch 30 connected to the front end of the lock core 10 is rotated to an unlocking position, so as to achieve the purpose of unlocking.
  • the lock core 10 in Figs. 1 to 3 is connected to a one-piece latch 30. This structure can be applied as a general door lock.
  • the key lever 42 at the front end of the key 40 and the handle 41 of the key 40 are preferably connected in a relatively rotatable manner, so that the multi-fork spiral body key lever 42 can be rotated into a multi-fork spiral key.
  • the inside of the hole 11 is convenient for the user to unlock.
  • an eccentric hollow chamber 48 is opened on the handle 41, and the key lever 42 is extended into the hollow chamber 48 without being located at the center line, and a twist is placed on its outer sleeve.
  • the spring 45 makes the key lever 42 have an elastic tendency to return to its original position after being twisted.
  • the key lever 42 is provided with a rotation-restricting pin 47 protruding outward with an appropriate length.
  • the length is between Between the maximum distance and the minimum distance between the key lever 42 and the eccentric hollow chamber 48, the rotation-limiting pin 47 can rotate freely within an angle range until it abuts the wall 49 of the eccentric hollow chamber 48.
  • the key lever 42 that can be rotated relative to the handle 41 can rotate along the spiral key hole 11 to Screw into the multi-fork-shaped spiral keyhole 11 smoothly; thereafter, when the user rotates the handle 41 to the rotation-restricting pin 47 by hand against the chamber wall 49 of the eccentric hollow chamber, the key rod 42 and The handle 41 is synchronously rotated to an unlocking position to complete the unlocking action. Finally, when the user pulls the key 40 out of the key hole 11, the torsion spring 45 releases its elastic strain energy, and the key lever 42 is reversely rotated and returned to its original position.
  • the screw lock of the present invention can also use its lock body 20 to lock a lock housing 51 of a U-shaped lock 50 with a bolt 55.
  • the lock housing 51 can be inserted with a U-shaped locking hook 52
  • the lock core 10 can be connected to drive a lock hook control lever 53, and the lock core 10 is rotated with the key 40, thereby driving the lock hook control lever 53 to lock the U-shaped lock hook 52 and release the U-shaped lock hook. 52 moves between positions.
  • the U-shaped lock described above is widely used in wheel locks of motorcycles.
  • the screw lock provided in this case can also be used with different types of lock bodies and other accessories, and can be applied to different occasions and uses.
  • the spiral lock of the present invention is arranged in a multi-fork-shaped spiral keyhole, and the lower lock posts are arranged in a radiating pattern at an indefinite angle instead of being arranged in a straight line. It is not easy for a thief to find the position of the lock post using an unlocking gun. Moreover, the lower locking posts are buried in different positions in the narrow multi-fork spiral gap. It is actually extremely difficult to move all the lower locking posts to the unlocking height, so it is a very high security and can definitely prevent theft. Open construction.
  • the middle hole formed by multiple spiral tooth peaks is very small, and the sliding distance of each lower lock post is as long as the middle.
  • the diameter of the hole is twice, so it is theoretically impossible to slide the lower lock posts from the keyhole to the unlock position, and if the tool that can be inserted into the lock core has sufficient rigidity, its size is almost full of the keyhole If you cannot move, or if you are relatively small and still have space for movement, you are very weak and it is difficult to move the lock posts.
  • the multi-fork keyhole can prevent it from rotating, and can effectively improve the security of the lock.
  • the multi-fork spiral lock of the present invention has the following advantages:
  • each lock post is arranged in a radial pattern with an indefinite angle, and the number of lock posts is much more, and is distributed in all directions around the circle, which can effectively improve safety;
  • the effective distance of the lock column sliding is large (about 2.5mm), and the number of segments available for each group of lock columns can greatly reduce the chance of unlocking by trial and error. For example, a gap of 0.5mm per section is calculated. The number of effective segments that can be obtained for each group of lock cylinders is five. The entire group of locks is calculated by nine groups of lock cylinders. The maximum number of permutable combination groups that can be obtained is the multiplication of the number of lock column segments by the number of lock columns.
  • Power that is, the power of 5 to the power of 9
  • the maximum number of permutations and combinations is 1,953,125.

Landscapes

  • Lock And Its Accessories (AREA)

Description

螺旋锁具 发明领域
本发明是关于一种锁具， 特别是关于一种锁匙及匙孔均具有多叉形螺旋形状的 锁具， 可以有效提升其防止盗开的功能。
背景技术
一般市面上贩售各形各色的锁具， 但是其形式大致上可以分为： 扁形、 圆形、 以及十字形等等形状， 其内部锁柱的排列方式大都以直线排列方式配置。 因为这些 扁形、 圆形、 以及十字形锁具的锁柱均呈直线排列， 且其匙孔空间可以容许异形工 具的插入， 所以较容易被窃贼挖开或使用非配用锁匙以外的工具盗开。
另外， 亦有一种市售的方螺紋螺旋锁， 其匙孔为单线螺旋状， 锁柱呈直线排列， 故其锁柱数量较少， 且锁柱装置位置的匙孔空间相对较宽敞， 比较不能有效阻止异 形工具拨动锁柱； 另外， 由于锁柱沿锁匙的半径方向朝中心的滑动受到空心的锁匙 内部的螺旋体的限制，致使锁柱有效滑动距离较小（以典型的直径 6mm的锁匙而言， 锁柱有效滑动距离约为 1.5mm)， 每组锁柱可用的段数较少。 因此此种习用方螺紋螺 旋锁在防盗功能上仍有加以改进的空间。
鉴于前述习知技术的缺点， 本发明的发明人乃提出一种多叉形螺旋锁具， 将原 本直线方式排列的锁柱改成螺旋状方式排列， 以有效地提升锁具的防盗性。
发明总述
本发明的目的在于提供一种螺旋锁具， 其具有多叉形截面的匙孔形成的孔内空 间比扁形、 圆形、 及十字形匙孔均较小， 可容许插入的异形工具最小， 故可被窃贼 挖开或使用非配用锁匙以外的工具盗开的机会也最小， 具有远忧于习用锁具的防止 盗开功能。
本发明的另一目的在于提供一种多叉形螺旋锁具， 其可搭配锁体及其它配件， 而被制成例如门锁、 U形锁等各种锁具。
可达成上述发明目的的螺旋锁具， 包括有： 一锁心， 其中心开设有一多叉形螺 旋状的匙孔， 于该匙孔内的各螺旋孔内分别装人有多数锁柱； 以及一锁匙， 其前端 用以旋人匙孔的部分为一配合该匙孔的多叉形螺旋体匙杆， 且该匙杆对应于各锁柱 的位置， 宜刻设有深浅不同的齿槽， 藉以分别容纳并顶高各锁柱至一开锁位置。
在前述多叉形螺旋锁中， 锁匙前端的匙杆与锁匙的握柄宜以可相对转动方式连 接， 以便于开锁的时候， 锁匙可以旋入匙孔内。
在前述多叉形螺旋锁中， 该多叉形螺旋状的匙孔宜为三叉形螺旋状的匙孔， 而 该多叉形螺旋体的匙杆宜为三叉形螺旋体匙杆。
附图简介
请参阅以下有关本发明较佳实施例的详细说明及其附图， 将可进一步了解本发 明的技术内容及其目的功效； 有关该实施例的附图为：
图 1为本发明螺旋锁具的立体部份剖面视图。
图 2为该螺旋锁具中锁心的立体部份剖面图：
图 3为图 1所示螺旋锁具的轴向部份剖面视图：
图 4为该螺旋锁具中锁匙的轴向部份剖面视图：
图 5为沿着图 4中的 5〜5线所绘制成的径向剖面视图： 以及
图 6为本发明螺旋锁具应用于 U形锁时的轴向部份剖面视图。
实施例的详细描述
请参阅图 1， 本发明的螺旋锁具包含： 一锁心 10， 其中心开设有一呈多叉形螺 旋状的匙孔 11 ; 一锁体 20， 其内部套设有锁心 10; —连接于锁心 10另一端的锁闩 30； 以及一锁匙 40。
锁心 10与锁体 20具有上下相连的上锁柱孔 21以及下锁柱孔 12。 如图 1及图 2 所示， 上、 下锁柱孔 21、 12在锁心 10与锁体 20的内部呈不定角度的幅射状排列方 式， 其内由外而内依序设置有锁柱弹簧 22、 上锁柱 23 以及下锁柱 24， 其中各下锁 柱 24分别以不定长度延伸进入该多叉形螺旋状匙孔 11 的不同位置内； 另外， 锁心 10与锁体 20上分别具有一定位珠槽 25以及一定位珠孔 26， 可置入定位弹簧 27以 及定位珠 28， 用以定位锁心 10与锁体 20间的原点， 使该锁心 10与锁体 20以可相 对转动的方式连接成一体。
图 1所示的锁匙 40包含一握柄 41， 以及一多叉形螺旋体匙杆 42。 匙杆 42的多 条螺旋状牙峰 44对应于各下锁柱 24的位置上刻设有深浅不同的齿槽 43， 形成多叉 形螺旋状排列的锁柱驱动齿条。
参照图 1及图 3, 本发明的螺旋锁具在使用时， 锁匙 40前端的多叉形螺旋体匙 杆 42旋人呈多叉形螺旋状的匙孔 11内部， 匙杆 42上的各齿槽 43恰可分别顶起匙 孔 11 内的各下锁柱 24, 下锁柱 24连带升起上锁柱 23， 并压缩锁柱弹簧 22。 且各 齿槽 43的深度恰与其所顶起的对应下锁柱 24延伸进入匙孔 11内的长度相等， 该顶 起的下锁柱 24与上锁柱 23之间的界面正好与锁心 10与锁体 20之间的界面呈同一 个平面， 因此该锁匙 40可以驱动该锁心 10相对于锁体 20转动， 并带动连接于该锁 心 10前端的锁闩 30转动至一开锁位置， 以达到开锁的目的。
图 1至图 3中的锁心 10是连接一片状锁闩 30， 此一构成可被应用作为一般的 门锁。
该多叉形螺旋锁具中， 锁匙 40前端的匙杆 42与锁匙 40的握柄 41最好是以可 相对转动方式连接， 以便能使多叉形螺旋体匙杆 42旋人多叉形螺旋状匙孔 11内部， 方便使用者开锁。 如图 4及图 5所示者， 握柄 41上开设有一偏心的空室 48， 而匙 杆 42则被以不位于中心线的方式延伸进入该空室 48 内， 并于其外套置一扭转弹簧 45， 藉由其弹力使该匙杆 42在被扭转后具有一复归原位的弹性趋势， 同时在匙杆 42 上设置有一向外凸出一适当长度的限转插销 47，其长度介于该匙杆 42与偏心空室 48 间的最大距离与最小距离之间， 使该限转插销 47可在一角度范围内自由转动， 直至 其抵触该偏心空室 48的室壁 49止。 使用者手持握柄 41将该匙杆 42插入多叉形螺 旋状的匙孔 11内部时， 该可相对于该握柄 41转动的匙杆 42可沿着该螺旋状匙孔 11 自行转动， 以顺利旋入多叉形螺旋状匙孔 11 内部； 其后， 当使用者以手转动该握柄 41至限转插销 47抵触该偏心空室的室壁 49时， 即可带动该匙杆 42与握柄 41同步 转动至一开锁位置， 完成开锁动作。 最后， 当使用者将锁匙 40抽出离开匙孔 11时， 该扭转弹簧 45释出其弹性应变能， 追使该匙杆 42反向转动并复归至其原始位置。
另外， 如图 6所示， 本发明的螺旋锁具亦可利用其锁体 20以一螺栓 55锁固一 U形锁 50的锁壳 51， 该锁壳 51可供插设一 U形锁钩 52, 而锁心 10则可连接带动 一锁钩控制杆 53， 利用锁匙 40转动该锁心 10, 藉以带动该锁钩控制杆 53在一锁制 该 U形锁钩 52及释放该 U形锁钩 52的位置间移动。 上述的 U形锁被广泛使用于机 车的车轮锁上。
本案所提供的螺旋锁具亦可搭配其它型式的锁体及其它配件， 而被应用于各不 同场合及用途。
由以上说明可知， 本发明的螺旋锁具在多叉形螺旋状的匙孔中， 各下锁柱呈不 定角度的幅射状排列而非直线排列， 窃贼使用开锁枪要找到锁柱位置并不容易， 况 且各下锁柱被埋藏在狭小的多叉形螺旋缝隙的不同位置中， 要拨动全部下锁柱至开 锁的高度实际上极为困难， 所以是一种非常高安全性且可确实防止盗开的构造。
另外， 多条螺旋状牙峰环绕形成的中孔非常小， 而各下锁柱的滑动距离长达中 孔直径的两倍， 故欲从匙孔拨动各下锁柱滑到开锁位置理论上已不可能， 而且可插 入本锁心的工具若有足够的刚性， 则其大小几乎已塞满匙孔而无法动弹， 或比较细 小而仍有空间活动者， 则己相当薄弱难以拨动各下锁柱， 况且要拨开全部锁柱， 必 须将开锁工具转向各下锁柱的滑动方向施力， 而多叉形匙孔正可阻止其转动， 而能 有效提升锁具的防盗开支全性。
综合上述， 本发明的多叉形螺旋锁具有以下优点：
( 1 ) 具有多线螺旋形匙孔， 而且各锁柱依不定角幅射状排列， 锁柱数量又多出 甚多， 且分布在圆周各方向， 可有效提升安全性；
(2) 锁柱装置位置的缝隙狭小， 较可能有效阻止开锁枪及异形工具拨动锁柱：
(3 ) 锁柱滑动的有效距离较大 （约 2.5mm)， 每组锁柱可用的段数较多， 可以 大幅减少试误法开锁的机会， 举例而言， 以每段差距 0.5mm计算， 每组锁柱可得的 有效段数有 5段， 整组锁具以 9组锁柱计算， 可得的最大排列组合组数是每组锁柱 段数乘锁柱数的乘
幂（即 5的 9次方）， 即最大排列组合组数有 1953125组。

Claims

1. 一种螺旋锁具， 其特征在于， 包括：
一锁体：
一以可被转动方式安装于该锁体内部的锁心， 其轴向中心位置上开设有一多叉 形螺旋状的匙孔， 且于该轴心内部设置有多数个呈幅射状排列并以不定长度延伸进 入该匙孔内不同位置处的锁柱： 以及
一锁匙， 包括有一握柄及位于该握柄前端的多叉形螺旋体匙杆， 该匙杆可被旋 入该匙孔内， 且该匙杆上对应于各权锁柱的位置， 分别刻设有一对应该锁柱延伸长度 的齿槽， 藉以推动各锁柱至一使该锁心可被该锁匙带动而旋转的位置。
2. 根据权利要求 1所述的螺旋锁具， 其特征在于， 其中该匙杆与该握柄是以可 相对转动方式连接。 求
3. 根据权利要求 2所述的螺旋锁具， 其特征在于， 其中该握柄上开设有一偏心 空室， 并于延伸进入该偏心空室内的该匙杆外套置一扭转弹簧， 藉由其弹力使该匙 杆在被扭转后具有一复归原位的弹性趋势， 同时在该匙杆上设置有一向外凸出的限 转插销， 其凸出长度介于该匙杆与该偏心空室间的最大距离与最小距离之间， 使该 匙杆可在一设定角度范围内相对于该握柄转动者。
4. 根据权利要求 1所述的螺旋锁具， 其特征在于， 其中该匙孔为一三叉形螺旋 状匙孔， 而该匙杆为一三叉形螺旋体匙杆。
5. 根据权利要求 2所述的螺旋锁具， 其特征在于， 其中该匙孔为一三叉形螺旋 状匙孔， 而该匙杆为一三叉形螺旋体匙杆。
6. 根据权利要求 3所述的螺旋锁具， 其特征在于， 其中该匙孔为一三叉形螺 旋状匙孔， 而该匙杆为一三叉形螺旋体匙杆。
PCT/CN2001/000618 2001-04-26 2001-04-26 Serrure a vis WO2002088497A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP01953742A EP1405968A4 (en) 2001-04-26 2001-04-26 SCREW LOCK
US10/475,487 US20040172992A1 (en) 2001-04-26 2001-04-26 Screw lock
PCT/CN2001/000618 WO2002088497A1 (fr) 2001-04-26 2001-04-26 Serrure a vis
JP2002585766A JP2004521208A (ja) 2001-04-26 2001-04-26 螺旋錠アセンブリ

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US20040172992A1 (en) 2004-09-09
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