JP3096354U - Security lock structure - Google Patents

Abstract

(57) [Problem] To provide a lock structure that enhances a security effect by a curved groove. SOLUTION: Key holes 22 mainly in an upper part 20 and a lower part 21
A first road bending portion 25, a second road bending portion 26, and a third road bending portion 27 are provided in the groove road 24,
The first road bending portion 25, the second road bending portion 26, and the third road bending portion 27 are larger than the center line C of the keyhole 22. For example, the tool 3 for unlocking a linear key is inserted into the keyhole 22, and the key is inserted. Even if it is attempted to unlock, the second and third curved portions of the groove 24 are blocked, and the tool is only inserted into the first curved portion 25,
In addition, the best security effect can be achieved because it cannot be inserted continuously.

Description

[Detailed description of the invention] [0001] [Technical field to which the invention belongs]   The present invention relates to a kind of security lock, in which a groove extending from special upper and lower keyholes is provided. The groove is provided with a first road bend, a second road bend, and a third road bend, and the first road bay is provided. The curved portion, the second curved portion and the third curved portion are larger than the center line of the keyhole, for example, a straight line. Even if you try to unlock the key by inserting a tool to unlock the key in the key hole, Blocked by the third bend, the tool only inserted into the first bend, and continued The best security can be achieved because it cannot be plugged in. [0002] [Prior art]   As shown in FIG. 1, the known key 1 mainly includes an upper part 10 and a lower part 11, And a keyhole 12 at one end of the lower part 11 and several pin holes 13 on the upper part 10. And a parallel groove 14 extending from the keyhole 12 of the upper part 10 and the lower part 11 is provided. This type of key 1 is easily inserted into a keyhole 12 using a key opening tool. It is simply opened and has no security effect. [0003] [Problems to be solved by the invention]   In order to solve the above-mentioned drawbacks of the known structure, it is an object to provide a lock structure having a security effect. And [0004] [Means for Solving the Problems]   In order to solve the above problems, the present invention provides a lock structure having the following security effects. You.   A groove extending mainly from the upper and lower keyholes is provided. A two-way bend, a third-way bend, and a first-way bend, a second-way bend, and a third-way bay are provided. The bend is larger than the centerline of the keyhole.   That is, the structure of the security lock of the present invention mainly comprises an upper part and a lower part, and the upper part and the lower part A keyhole at one end of the keyhole, several pinholes on the upper part, upper and lower keyholes A groove extending from the first path bend, the second path bend, and the third path bend. The first road bend, the second road bend, and the third road bend are larger than the center line of the keyhole. For example, if you try to unlock by inserting a tool to unlock a linear key into the keyhole The second and third bends in the groove way block it, and the tool only needs to be inserted into the first bend. Achieve the best security effect because it cannot be inserted continuously It is characterized by the following.   [0005] [Embodiment of the invention]   As shown in FIGS. 2 and 3, the lock 2 of the present invention mainly has an upper part 20 and a lower part 21. A keyhole 22 is provided at one end of the part 20 and the lower part 21, and several pin holes are provided on the upper part 20. 23, A groove 24 extending from the keyhole 22 of the upper part 20 and the lower part 21 is provided, and A one-way bend 25, a second-way bend 26, and a third-way bend 27 are provided. 25, the second road bending portion 26 and the third road bending portion 27 are larger than the center line C of the keyhole 22. .   As shown in FIG. 3, the tool 3 for unlocking the linear key is inserted into the keyhole 22 and the key is opened. The curvature of the first and second road curved portions 25 and 26 of the groove 24 is determined by the center line C Because it is larger, it blocks the tool from entering and unlocks the key. It can only be inserted and cannot be inserted continuously, so the best security Achieve the fruit.   [0006] [Effect of the invention]   As described above, the present invention achieves the best security effect by providing a curve in the groove. .

[Brief description of the drawings] FIG. 1 is a known three-dimensional combination diagram. FIG. 2 is a three-dimensional combination diagram of the present invention. FIG. 3 is a reference diagram of crime prevention according to the present invention. [Explanation of symbols] 1 tablet 11 Lower part 12 Keyhole 13 pin hole 14 Mizo Michi 2 tablets 20 Top 21 Lower part 22 Keyhole 23 pin hole 24 Mizo Michi 25 First Road Curved Part 26 Second Road Curved Part 27 Third Road Bend 3 tools C center line

Claims (1)

[Claim 1] Mainly provided with upper and lower parts, provided with keyholes on one end of the upper and lower parts, provided with several pinholes on the upper part, and extended from the upper and lower keyholes The groove path is provided, and the groove path is provided with a first road bending section, a second road bending section, and a third road bending section, and the first road bending section, the second road bending section, and the third road bending section are located at the center of the keyhole. Larger than the line, for example, even if you try to insert a tool to unlock a linear key into the keyhole and unlock it, the second and third path bending parts of the groove will block, and the tool will only be inserted to the first path bending part A security lock structure characterized by achieving the best security effect because it cannot be further inserted.