CN211691872U - Novel lock body - Google Patents

Abstract

The utility model discloses a novel lock body, comprising a lock shell, wherein a lock core is arranged in the lock shell, the lock core is rotatably connected with the lock shell, a plurality of first pin mechanisms, a plurality of second pin mechanisms, a plurality of third pin mechanisms and a plurality of fourth pin mechanisms are arranged in the lock shell, and the four pin mechanisms act together to hinder the rotation of the lock core; compared with an ordinary lock head, a second pin mechanism and a fourth pin mechanism are added, and the two are combined with the first pin mechanism to form a triangular lock head structure, which has a better anti-theft effect, and the bullet bead head with an embedded groove is limited by an annular spring, so that the first pin mechanism is difficult to be simply cracked, and the four pin mechanisms work together and interact with each other, and the lock head can only be cracked when all the pin mechanisms are cracked at the same time, which is extremely difficult and has a good anti-theft effect.

Description

New lock body

technical field

The utility model relates to the technical field of lock heads, in particular to a novel lock body.

Background technique

According to the principle of the lock cylinder, anti-theft locks can be divided into marble locks, blade locks, magnetic locks, smart card door locks, fingerprint locks, etc. It is one of the most common lock structures.

The principle is to use multiple cylindrical parts of different heights to lock the lock cylinder. When the correct key is put in, the springs are pushed to the same height and the cylinder is released.

The lock cylinder of the existing marble lock is a row of multiple marbles of different lengths, which are usually in an extended state. When the key is inserted, the marbles fall into the corresponding tooth grooves on the key and are compressed, and finally the lock cylinder is released to achieve opening. However, such a structure can be opened in a few seconds with a simple unlocking tool, and there is a potential safety hazard.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a novel lock body to solve one or more of the above problems.

To achieve the above object, the utility model provides the following technical solutions:

A novel lock body comprises a lock shell, a lock cylinder is arranged in the lock shell, and the lock cylinder is rotatably connected with the lock shell,

The top of the lock shell is provided with a number of first lock holes arranged in a line, the left side of the lock shell is provided with a number of second lock holes arranged in a line, and the right side of the lock shell is provided with a number of fourth lock holes arranged in a line, A number of third lock holes are opened in the lock cylinder,

The third locking hole communicates with the first locking hole, the third locking hole and the second locking hole are in the same row,

Each of the first lock holes is provided with a first pin mechanism, each of the second lock holes is provided with a second pin mechanism, and each of the third lock holes is provided with a third pin mechanism , each of the fourth lock holes is provided with a fourth pinball mechanism,

The first pinball mechanism, the second pinball mechanism, the third pinball mechanism, and the fourth pinball mechanism can be located along the first lock hole, the second lock hole, and the third lock hole, respectively. and the fourth keyhole moves,

The first pin mechanism, the second pin mechanism, the third pin mechanism and the fourth pin mechanism are all penetrated in the lock cylinder.

Further, the first pinball mechanism includes a spring, one end of the spring is arranged in the first lock hole at one end away from the lock cylinder, and the other end of the spring is arranged with a flat ball, and the flat ball is far away from the lock cylinder. One end of the spring is in contact with a bullet head, the flat ball and the bullet head are inserted into the lock cylinder, and the heights of the bullet heads are different among several first bullet mechanisms,

The bullet head in the first lock hole communicated with the third lock hole is provided with inserting grooves.

Further, the second pinball mechanism includes an elliptical bead head, and the elliptical bead head is arranged between the lock shell and the lock cylinder.

Further, the third pinball mechanism includes a bead head, an annular spring and a fixing head, the fixing head is arranged at one end of the third locking hole away from the first locking hole, and one end of the annular spring is sleeved at the end of the third locking hole. On the fixed head, the other end of the annular spring is clamped on the embedding groove of the bullet head, and the bead head is inserted into the lock cylinder.

Further, the fourth pinball mechanism includes an elliptical bead head, and the elliptical bead head is arranged between the lock shell and the lock cylinder.

Further, the lock shell is provided with a card slot, the card slot is provided with a card, the card is arranged on the lock cylinder, and the end of the card away from the lock cylinder is located in the lock. outside the shell.

Further, a key hole is provided on the lock cylinder, and the key hole communicates with the first lock hole, the second lock hole, the third lock hole and the fourth lock hole.

To sum up, the utility model has the following beneficial effects:

1. Compared with the ordinary lock, a second pinball mechanism and a fourth pinball mechanism are added, and the two combined with the first pinball mechanism form a triangular lock structure, which has a better anti-theft effect;

2. The bullet head with embedded groove is limited by the ring spring, and the first bullet mechanism is difficult to be easily cracked;

3. The four marble mechanisms work together and interact with each other. Only by cracking all the marble mechanisms at the same time can the lock be cracked, which is extremely difficult and has a better anti-theft effect.

Description of drawings

Fig. 1 is a three-dimensional exploded schematic diagram of a novel lock body provided by the utility model;

Fig. 2 is the cutaway schematic diagram of the lock case provided by the utility model;

3 is a cross-sectional view of a novel lock body provided by the utility model along the third lock hole;

4 is a cross-sectional view of a novel lock body provided by the utility model along the second lock hole;

Fig. 5 is the three-dimensional schematic diagram of the bullet head with embedded groove provided by the utility model;

In the picture:

1. Lock shell; 11. First locking hole; 12. Second locking hole; 13. Fourth locking hole; 14. Clip slot; 2. First pinball mechanism; 21. Spring; 22. Flat ball; Bullet head; 24. Groove; 3. Second marble mechanism; 4. Third marble mechanism; 41. Bead head; 42. Ring spring; 43. Fixed head; 5. Fourth marble mechanism; 6. Lock cylinder ; 61, the third keyhole; 62, the card; 63, the key hole; 7, the oval bead head.

Detailed ways

Example:

The present utility model will be further described in detail below in conjunction with accompanying drawings 1-5.

A new type of lock body, as shown in Figures 1-4, includes a lock shell 1, a lock cylinder 6 is arranged in the lock shell 1, the lock cylinder 6 is rotatably connected with the lock shell 1, and the lock shell 1 is provided with a card slot 14, A clip 62 is provided in the clip slot 14 , the clip 62 is arranged on the lock cylinder 6 , and one end of the clip 62 away from the lock cylinder 6 is located outside the lock shell 1 .

As shown in FIG. 2-4 , six first lock holes 11 are arranged on the top of the lock shell 1 along the direction of the shell body of the lock shell 1 , and four first lock holes 11 are arranged on the left side of the lock shell 1 along the direction of the shell body of the lock shell 1 . The second lock holes 12 arranged in a straight line, the right side of the lock shell 1 is provided with six fourth lock holes 13 arranged in a straight line along the direction of the body of the lock shell 1, the lock cylinder 6 is provided with two third lock holes 61, The three locking holes 61 communicate with the first locking hole 11 , the third locking hole 61 is in the same row as the second locking hole 12 ,

Each first lock hole 11 is provided with a first pinball mechanism 2, each second lock hole 12 is provided with a second pinball mechanism 3, and each third lock hole 61 is provided with a third pinball mechanism 4 , each fourth lock hole 13 is provided with a fourth pinball mechanism 5,

The first pinball mechanism 2 , the second pinball mechanism 3 , the third pinball mechanism 4 and the fourth pinball mechanism 5 can move along the first lock hole 11 , the second lock hole 12 , the third lock hole 61 and the fourth lock hole 13 respectively. ,

As shown in Figures 1-4, the first pinball mechanism 2, the second pinball mechanism 3, the third pinball mechanism 4 and the fourth pinball mechanism 5 are all penetrated in the lock cylinder 6, that is, the first lock hole 11, the second lock The hole 12, the third lock hole 61 and the fourth lock hole 13 can all extend to the inside of the lock cylinder 6. The lock cylinder 6 is provided with a key hole 63. The key hole 63 is connected to the first lock hole 11, the second lock hole 12, the The three locking holes 61 and the fourth locking hole 13 communicate with each other.

As shown in Figures 1-4, the first pinball mechanism 2 includes a spring 21, one end of the spring 21 is disposed in the first lock hole 11 at one end away from the lock cylinder 6, the other end of the spring 21 is provided with a flat ball 22, and the flat ball 22 is far away from the spring One end of the 21 is in contact with a bullet head 23, the flat ball 22 and the bullet head 23 are inserted in the lock cylinder 6, and the height of the bullet head 23 between the six first bullet mechanisms 2 is different, and the height of the bullet head 23 is different from that of the third lock. The bullet heads 23 in the first locking holes 11 communicated with the holes 61 are all provided with inserting grooves 24 .

As shown in FIGS. 1-4 , the second pinball mechanism 3 includes an oval ball head 7 , and the oval ball head 7 is arranged between the lock shell 1 and the lock cylinder 6 .

As shown in FIGS. 1-5 , the third pinball mechanism 4 includes a bead head 41 , a ring spring 42 and a fixing head 43 . The fixing head 43 is provided at the end of the third locking hole 61 away from the first locking hole 11 , and one end of the ring spring 42 is It is sleeved on the fixed head 43 , the other end of the annular spring 42 is clamped on the embedded groove 24 of the bullet head 23 , and the small ball head 41 is inserted into the lock cylinder 6 .

As shown in FIGS. 1-4 , the fourth pinball mechanism 5 includes an oval ball head 7 , and the oval ball head 7 is arranged between the lock shell 1 and the lock cylinder 6 .

Working principle: Insert the matching key into the key hole 63, the six flat beads 22 above are lifted under the action of the groove of the key, the bottom of all the flat beads 22 are flush with the inner wall of the lock shell 1, the height of the groove of the key is shaped It completely depends on the height of the bullet head 23 at the corresponding position. At this time, the tops of the six bullet heads 23 are flush with the outer wall of the lock cylinder 6.

At the same time, the small bead head 41 on the left is pushed up by the key slot, and the annular spring 42 is bent. The annular spring 42 leaves the clamping groove of the bullet head 23 under the deformation, so as to ensure that the bullet head 23 can be lifted smoothly.

At the same time, the position of the oval bead head 7 is matched with the tooth groove of the corresponding position on the key, and with proper shaking, the oval bead head 7 can easily fall into the tooth groove of the key.

At this time, when the key is turned, the bullet head 23 is separated from the flat bead 22, the elliptical bead head 7 is completely dropped into the tooth socket of the key, and the lock cylinder 6 can be rotated smoothly to achieve the opening effect of the lock head, release the key, and other ordinary Like the lock head, it automatically returns to the initial state, the bullet head 23 and the flat ball 22 are in conflict again, and under the action of the spring 21, they are pressed back into the lock cylinder 6, the key is pulled out, and the elliptical ball head 7 returns to the second lock hole 12 and the fourth locking hole 13 , the raised bead head 41 is pressed back into the lock cylinder 6 under the action of the annular spring 42 , the annular spring 42 is restored to its original state, and is reinserted into the insertion groove 24 of the bullet head 23 .

When an unmatched key is inserted, the ring spring 42 will restrict the ball head 23 with the insert groove 24 , and the first ball mechanism 2 , the second ball mechanism 3 and the fourth ball mechanism 5 will block the rotation of the lock cylinder 6 .

It should be noted that all expressions using "first" and "second" in the embodiments of the present utility model are for the purpose of distinguishing two entities with the same name but non-identical parameters or non-identical parameters. " is only for the convenience of expression and should not be construed as a limitation to the embodiments of the present invention, and subsequent embodiments will not describe them one by one.

In the description of the present invention, it should be understood that the terms "center", "horizontal", "longitudinal", "front", "rear", "left", "right", "upper", "lower", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility. The novel and simplified description does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the scope of protection of the present invention.

This specific embodiment is only an explanation of the present utility model, and it is not a limitation of the present utility model. Those skilled in the art can make modifications to the present embodiment without creative contribution as needed after reading this specification, but as long as the utility model is used in the present invention All new types of claims are protected by the patent law.

Claims (7)

1. The utility model provides a novel lock body, includes lock shell (1) and lock core (6), its characterized in that: a lock cylinder (6) is arranged in the lock shell (1), the lock cylinder (6) is rotationally connected with the lock shell (1),

a plurality of first lock holes (11) which are arranged in a straight line are arranged above the lock shell (1), a plurality of second lock holes (12) which are arranged in a straight line are arranged on the left side of the lock shell (1), a plurality of fourth lock holes (13) which are arranged in a straight line are arranged on the right side of the lock shell (1), a plurality of third lock holes (61) are arranged in the lock cylinder (6),

the third lock hole (61) is communicated with the first lock hole (11), the third lock hole (61) and the second lock hole (12) are in the same row,

a first pin tumbler mechanism (2) is arranged in each first lock hole (11), a second pin tumbler mechanism (3) is arranged in each second lock hole (12), a third pin tumbler mechanism (4) is arranged in each third lock hole (61), a fourth pin tumbler mechanism (5) is arranged in each fourth lock hole (13),

the first pin tumbler mechanism (2), the second pin tumbler mechanism (3), the third pin tumbler mechanism (4) and the fourth pin tumbler mechanism (5) can respectively move along the first lock hole (11), the second lock hole (12), the third lock hole (61) and the fourth lock hole (13),

the first pin tumbler mechanism (2), the second pin tumbler mechanism (3), the third pin tumbler mechanism (4) and the fourth pin tumbler mechanism (5) are arranged in the lock cylinder (6) in a penetrating manner.

2. The new lock body of claim 1, wherein: the first pin tumbler mechanism (2) comprises a spring (21), one end of the spring (21) is arranged at one end, far away from the lock cylinder (6), in the first lock hole (11), the other end of the spring (21) is provided with a flat ball (22), one end, far away from the spring (21), of the flat ball (22) is provided with a bullet bead head (23) in an abutting mode, the flat ball (22) and the bullet bead head (23) are inserted in the lock cylinder (6), the heights of the bullet bead heads (23) among the first pin tumbler mechanisms (2) are different,

and the bullet bead heads (23) in the first lock hole (11) communicated with the third lock hole (61) are provided with caulking grooves (24).

3. The new lock body of claim 1, wherein: the second pin tumbler mechanism (3) comprises an oval ball head (7), and the oval ball head (7) is arranged between the lock shell (1) and the lock cylinder (6).

4. The new lock body of claim 2, wherein: third marble mechanism (4) are including little pearl head (41), annular spring (42) and fixed head (43), fixed head (43) are located third lockhole (61) are kept away from the one end of first lockhole (11), annular spring (42) one end cover is located on fixed head (43), annular spring (42) other end card is established bullet pearl head (23) on caulking groove (24), little pearl head (41) are inserted and are established in lock core (6).

5. The new lock body of claim 1, wherein: the fourth pin tumbler mechanism (5) comprises an oval ball head (7), and the oval ball head (7) is arranged between the lock shell (1) and the lock cylinder (6).

6. The new lock body of claim 1, wherein: the lock is characterized in that a clamping piece groove (14) is formed in the lock shell (1), a clamping piece (62) is arranged in the clamping piece groove (14), the clamping piece (62) is arranged on the lock core (6), and one end, far away from the lock core (6), of the clamping piece (62) is located outside the lock shell (1).

7. The new lock body of claim 1, wherein: the lock cylinder (6) is provided with a key hole (63), and the key hole (63) is communicated with the first lock hole (11), the second lock hole (12), the third lock hole (61) and the fourth lock hole (13).

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