KR940004781Y1 - Cylinder still life - Google Patents

Abstract

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Description

Cylinder still life

1 is a longitudinal sectional view and an illustration of a key.

2 is a cross-sectional view of FIG.

3 is a cross-sectional view taken along the line A-A of FIG.

Figure 4 is a cross-sectional view of the operation state of the cylinder ring of the present invention, Figure 4 (a) is a state diagram removed the first protective pin, the fifth protective pin, the third pin by inserting the key, Figure 4 (b) is the key Figure 4 is a state diagram in which the first, second, and third pins are removed, and FIG.

FIG. 5 is a cross-sectional view of FIG. 4C shown laterally.

* Explanation of symbols for main parts of the drawings

1: body 2: inner cylinder

3: insertion hole 4: key

5: groove 6, 6 ', 6 ": pin removal end

6 '": Groove 7: Working piece

8: operation piece catching part 9: operation piece fixing part

10: first pin portion 11: second pin portion

12: third pin portion 13: fifth protective pin portion

14: first protective pin portion 15: second protective pin portion

16: third protective pin portion 17: fourth protective pin portion

18, 181: pins 19, 191, 192: hook pins

20, 201, 202: spring 21, 211, 212: pin stopper

22, 221, 222: pin ball

This design is a pleasant lock. It relates to the cylinder definition structure in the unlocking device, and more particularly, to a cylinder well configured to be unlocked only by a predetermined key by preventing the lock from being unlocked by a tool other than a predetermined key.

In general, the biggest abnormality of the lock is that it must not be opened unless it is a predetermined key.

In the conventional lock, the lock of the lock can be unlocked because the pin in the key groove can be touched with a pin or other tool.

Therefore, the present invention, in view of the above-described drawbacks, the first protective pin portion and the fifth protective pin portion and the first pin portion and the first pin portion and the first and second pin portions are installed at the inlet hole, and the first pin portion and the second and third pin portions are unlocked. Even if the inner cylinder is rotated, the second and third protection pins and the third and fourth protection pins are installed so that the first pins and the second and third pins are caught in order to prevent the release and at the same time, the first protection pins and the fifth protection pins Since the key groove is locked in a state in which it protrudes at least 1/2 from both sides of the inside of the key groove so that the second protection pin portion and the third and fourth protection pins are not completely touched, the present invention shown in the accompanying drawings When described in detail according to an embodiment of the following.

Coupling the inner cylinder (2) in the main body (1) and forming the insertion hole (3) below the inner cylinder (2) and inserting the operating piece (7) in the operating piece engaging portion (8) at the top to 9) in the structure fixed by the pin hole 22, the main body 1 and the inner cylinder (2) is formed in a position close to the insertion hole (8) so that the appearance pin 18, the engaging pin (19) , The first protective pin portion 14 and the fifth protective pin portion 13 are installed in the order of the spring 20, the pin plug 21.

In addition, three pin holes 221 are formed in the upper portion of the fifth protective pin part 13 so that the main body 1 and the inner cylinder 2 coincide with each other, such as the inlet pin 181, the locking pin 19, the spring 201, The first pin part 10, the second pin part 11, and the third pin part 12 are installed in the pin plug 211 order.

In addition, as shown in FIG. 4 and FIG. 5, the third pin hole 222 is formed in the main body 1 to engage the locking pin 192, the spring 202, and the pin plug 212 in order. The protection pin part 15, the third protection pin part 16, and the fourth protection pin part 17 are installed, and the grooves 5, 6 '"and pins are provided as the insertion holes 3 of the inner cylinder 2. The key 4 formed with the removal ends 6, 6 ', and 6 "is inserted so that the key 4 can be locked and unlocked when the key 4 is rotated.

The operational effects of the present proposal configured as described above are as follows.

Referring to the drawings shown in FIGS. 4 and 5, when the key 4 is inserted into the insertion hole 3 as shown in FIG. 4A, the first protective pin part 14 and the fifth protective pin part 13 are inserted. ), The retracting pin 18 is pushed back so that the retracting pin 18 is caught by the mating surface of the main body 1 and the inner cylinder 2, and the removing end 6 of the key 5 6 (6 ') ( 6 ") also pushes back the retracting pin 181 of the third pin portion 12 so that the retracting pin 181 and the engaging pin 191 are coupled to the body 1 and the inner cylinder 2, respectively. do.

As shown in FIG. 4B, when the key 4 is completely inserted into the insertion hole 3, the main body 1 is pushed back so that the projection pin 18 of the first protective pin 14 and the fifth protective pin 13 is pushed backward. And across the engagement surface of the inner cylinder 2 and released by the recesses 5, 6 '"of the key 4, and then the first and second pin portions 10 and 11, The pin 3 is also pushed back by the removal end 6, 6 'and 6 " of the key 4, so that the pin 181 and the engaging piece 191 are respectively the main body. When the inner cylinder (2) is rotated by the rotation of the key (4) is located on the coupling surface of the (1) and the inner cylinder (2), the second protective pin portion 15, the third protective pin portion 16, the fourth protective pin portion In FIG. 17, the projection pin 181 of the first pin part 10, the projection pin 181 of the second pin part 11, and the projection pin 181 of the third pin part 12 are illustrated in FIGS. They are positioned as in 5 degrees, but are rotated without jamming by the removal ends 6, 6 ', and 6 "of the key 4, and the lock is unlocked when it is rotated 90 degrees from the initial position. Will.

As described above, the present invention installs the first protective pin portion and the fifth protective pin portion at the entrance of the insertion hole, and the first and second protective pin portions of the first and fifth protective pin portions are pushed back when a tool other than a predetermined key is used. Since it is located at the interface between the main body and the inner cylinder, it is impossible to disengage, and the second pin is secondarily removed even if the inner cylinder is rotated by removing the first pin portion, the second pin portion, and the third pin portion, avoiding the first protective pin portion and the fifth protective pin portion. The locking pin part, the third protection pin part, and the fourth protection pin part are caught and prevented from unlocking, and at the same time, the first protection pin part and the fifth protection pin part are fixed in a state in which at least 1/2 protrudes on both sides of the inside of the key groove. This blockage prevents the second, third, and fourth protection pins from being completely touched, which makes it impossible to unlock the key unless it is a predetermined key. It with the characteristics that improve the confidentiality of the padlock.

Claims (1)

The inner cylinder 2 is coupled to the main body 1, and the lower portion of the inner cylinder 2 forms the insertion hole 3, and the upper portion of the inner cylinder 2 is fixed by the operation piece fixing part 9, so that the insertion hole 3 is The first hole in which the pin hole 22 is formed at a position where the main body 1 and the inner cylinder coincide with each other, and the inlet pin 18, the locking pin 19, the spring 20, and the pin stopper 21 are installed. The upper portion of the protective pin portion 14 and the fifth protective pin portion 13 to form a pin hole 221 on one side of the position where the main body 1 and the inner cylinder (2) coincide with this, the pin 181, the engaging pin The first pin part 10, the second pin part 11, and the third pin part 12 are installed by combining the spring 201 and the pin stopper 211, and the first pin part 10 and the second pin part 211. A pin hole 222 is formed in the main body 1 at a point where the pin portion 11 and the third pin portion 12 coincide with the rotational operation of the inner cylinder 2 to thereby engage the pin 192, the spring 202, and the pin. The inner cylinder 2 is determined again by the second protection pin portion 15, the third protection pin portion 16, and the fourth protection pin portion 17 which are coupled with the stopper 212. At the same time, the first protective pin portion 14 and the fifth protective pin portion 13 are positioned to protrude by 1/2 or more into both sides of the inner side of the insertion hole 3 of the inner cylinder 2. The key 4 formed with the groove portions 5, 6 '"and the pin removal ends 6, 6' and 6" is inserted in the original position and locked by the rotation of the key 4. Cylinder cylinder characterized in that it is released.