CN211691872U

CN211691872U - Novel lock body

Info

Publication number: CN211691872U
Application number: CN201921844462.6U
Authority: CN
Inventors: 麦健华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-10-16
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a novel lock body, which comprises a lock shell, wherein a lock core is arranged in the lock shell, the lock core is rotationally connected with the lock shell, a plurality of first marble mechanisms, a plurality of second marble mechanisms, a plurality of third marble mechanisms and a plurality of fourth marble mechanisms are arranged in the lock shell, and the four marble mechanisms jointly act to block the rotation of the lock core; compared with the common lock, the second pin tumbler mechanism and the fourth pin tumbler mechanism are added and combined with the first pin tumbler mechanism to form a triangular lock structure, so that the anti-theft effect is better, the ring spring is used for limiting the bullet ball head with the caulking groove, the first pin tumbler mechanism is difficult to crack simply, the four pin tumbler mechanisms act together and mutually, the lock can be cracked only by cracking all the pin tumbler mechanisms simultaneously, the difficulty is very high, and the anti-theft effect is better.

Description

Novel lock body

Technical Field

The utility model relates to a tapered end technical field, more specifically say, it relates to a novel lock body.

Background

According to the principle of the lock core, the anti-theft lock can be divided into a pin tumbler lock, a blade lock, a magnetic lock, an intelligent card door lock, a fingerprint lock and the like, wherein the pin tumbler lock is also called a pin tumbler lock, a bead lock, a lock spring lock or a pin bolt lock, and is one of the most common lock structures.

The principle is to use a plurality of cylindrical parts with different heights to lock the lock cylinder. When the correct key is put in, the bolts are pushed to the same height, and the lock core is released.

The lock core of the existing spring lock is a row of a plurality of springs with different lengths, and is in an extension state at ordinary times, when a key is inserted, the springs fall into corresponding tooth sockets on the key and are compressed, and finally the lock core is released, so that the unlocking effect is achieved, however, the lock core can be unlocked by a simple unlocking tool with the structure in only a few seconds, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

To the not enough that prior art exists, the utility model aims to provide a novel lock body solves foretell one or more problem.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a novel lock body comprises a lock shell, a lock core is arranged in the lock shell, the lock core is rotationally connected with the lock shell,

a plurality of first lock holes which are arranged in a straight line are arranged above the lock shell, a plurality of second lock holes which are arranged in a straight line are arranged on the left side of the lock shell, a plurality of fourth lock holes which are arranged in a straight line are arranged on the right side of the lock shell, a plurality of third lock holes are arranged in the lock core,

the third lock hole is communicated with the first lock hole, the third lock hole and the second lock hole are in the same row,

each first lock hole is internally provided with a first pin tumbler mechanism, each second lock hole is internally provided with a second pin tumbler mechanism, each third lock hole is internally provided with a third pin tumbler mechanism, each fourth lock hole is internally provided with a fourth pin tumbler mechanism,

the first pin tumbler mechanism, the second pin tumbler mechanism, the third pin tumbler mechanism and the fourth pin tumbler mechanism can respectively move along the first lock hole, the second lock hole, the third lock hole and the fourth lock hole,

the first pin mechanism, the second pin mechanism, the third pin mechanism and the fourth pin mechanism are all arranged in the lock cylinder in a penetrating mode.

Furthermore, the first pin tumbler mechanism comprises a spring, one end of the spring is arranged at one end, far away from the lock cylinder, in the first lock hole, the other end of the spring is provided with a flat ball, one end, far away from the spring, of the flat ball is provided with a pin tumbler head in an abutting mode, the flat ball and the pin tumbler head are inserted in the lock cylinder, the heights of the pin tumbler heads among the first pin tumbler mechanisms are different,

and the bullet bead heads in the first lock holes communicated with the third lock holes are provided with caulking grooves.

Further, the second pin tumbler mechanism comprises an oval ball head, and the oval ball head is arranged between the lock shell and the lock cylinder.

Furthermore, the third pin tumbler mechanism comprises a small ball head, an annular spring and a fixing head, the fixing head is arranged at one end, far away from the first lock hole, of the third lock hole, one end of the annular spring is sleeved on the fixing head, the other end of the annular spring is clamped on the caulking groove of the small ball head, and the small ball head is inserted in the lock core.

Further, the fourth pin tumbler mechanism comprises an oval ball head, and the oval ball head is arranged between the lock shell and the lock cylinder.

Furthermore, a clamping piece groove is formed in the lock shell, a clamping piece is arranged in the clamping piece groove, the clamping piece is arranged on the lock cylinder, and one end, far away from the lock cylinder, of the clamping piece is located outside the lock shell.

Furthermore, a key hole is formed in the lock cylinder, and the key hole is communicated with the first lock hole, the second lock hole, the third lock hole and the fourth lock hole.

To sum up, the utility model discloses following beneficial effect has:

1. compared with the common lock, the second pin tumbler mechanism and the fourth pin tumbler mechanism are added and combined with the first pin tumbler mechanism to form a triangular lock structure, so that the anti-theft effect is better;

2. the annular spring is used for limiting the bullet bead head with the embedded groove, so that the first bullet mechanism is difficult to crack simply;

3. the four spring mechanisms act together and mutually, and the lock head can be unlocked only by unlocking all the spring mechanisms simultaneously, so that the lock head is extremely difficult to unlock and has a good anti-theft effect.

Drawings

Fig. 1 is a schematic perspective exploded view of a novel lock body provided by the present invention;

fig. 2 is a sectional schematic view of a lock case provided by the present invention;

fig. 3 is a cross-sectional view of the novel lock body provided by the present invention, cut along a third lock hole;

fig. 4 is a cross-sectional view of the novel lock body provided by the present invention, cut along a second lock hole;

fig. 5 is a schematic perspective view of the bullet bead head with a caulking groove provided by the present invention;

in the figure:

1. a lock case; 11. a first lock hole; 12. a second lock hole; 13. a fourth lock hole; 14. a card slot; 2. a first pin tumbler mechanism; 21. a spring; 22. flattening beads; 23. a bullet bead head; 24. caulking grooves; 3. a second pin tumbler mechanism; 4. a third pin tumbler mechanism; 41. a small bead head; 42. an annular spring; 43. a fixed head; 5. a fourth pin tumbler mechanism; 6. a lock cylinder; 61. a third lock hole; 62. a fastener; 63. a key hole; 7. an oval bead head.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to fig. 1 to 5.

A novel lock body is shown in figures 1-4 and comprises a lock shell 1, wherein a lock cylinder 6 is arranged in the lock shell 1, the lock cylinder 6 is rotatably connected with the lock shell 1, 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 cylinder 6, and one end, far away from the lock cylinder 6, of the clamping piece 62 is located outside the lock shell 1.

As shown in fig. 2-4, six first lock holes 11 are formed above the lock case 1 and are linearly arranged along the body direction of the lock case 1, four second lock holes 12 are formed at the left side of the lock case 1 and are linearly arranged along the body direction of the lock case 1, six fourth lock holes 13 are formed at the right side of the lock case 1 and are linearly arranged along the body direction of the lock case 1, two third lock holes 61 are formed in the lock cylinder 6, the third lock holes 61 are communicated with the first lock holes 11, the third lock holes 61 are in the same row as the second lock holes 12,

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,

as shown in fig. 1 to 4, 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 all inserted into the lock cylinder 6, that is, the first lock hole 11, the second lock hole 12, the third lock hole 61 and the fourth lock hole 13 can all extend into the lock cylinder 6, a key hole 63 is formed in the lock cylinder 6, 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.

As shown in fig. 1 to 4, the first pin tumbler mechanisms 2 include springs 21, one ends of the springs 21 are disposed at one ends of the first lock holes 11, which are far away from the lock cylinder 6, flat beads 22 are disposed at the other ends of the springs 21, one ends of the flat beads 22, which are far away from the springs 21, are abutted against ball bullet heads 23, the flat beads 22 and the ball bullet heads 23 are inserted into the lock cylinder 6, the heights of the ball bullet heads 23 between the six first pin tumbler mechanisms 2 are different, and the ball bullet heads 23 in the first lock holes 11, which are communicated with the third lock hole 61, are all provided with caulking grooves 24.

As shown in fig. 1-4, the second pin tumbler mechanism 3 comprises an oval ball head 7, the oval ball head 7 being arranged between the lock housing 1 and the lock cylinder 6.

As shown in fig. 1 to 5, the third pin tumbler mechanism 4 includes a small ball head 41, a ring-shaped spring 42 and a fixing head 43, the fixing head 43 is disposed at one end of the third lock hole 61 far from the first lock hole 11, one end of the ring-shaped spring 42 is sleeved on the fixing head 43, the other end of the ring-shaped spring 42 is clamped on the caulking groove 24 of the small ball head 23, and the small ball head 41 is inserted into the lock cylinder 6.

As shown in fig. 1-4, the fourth pin tumbler mechanism 5 comprises an oval ball head 7, and the oval ball head 7 is arranged between the lock case 1 and the lock cylinder 6.

The working principle is as follows: a matched key is inserted into the key hole 63, the six flat beads 22 above the key are lifted up under the effect of the tooth socket of the key, the bottoms of all the flat beads 22 are flush with the inner wall of the lock shell 1, the height shape of the tooth socket of the key is completely determined by the height of the bullet bead heads 23 at the corresponding positions, at the moment, the tops of the six bullet bead heads 23 are flush with the outer wall of the lock core 6,

meanwhile, the small ball head 41 at the left side is jacked up by the key tooth socket, the annular spring 42 is bent, the annular spring 42 leaves the clamp groove of the small ball head 23 under deformation, the small ball head 23 can be jacked up smoothly,

meanwhile, the position of the oval bead head 7 is matched with the tooth socket at the corresponding position on the key, and the oval bead head 7 can easily fall into the tooth socket of the key by proper vibration,

at this moment, the key is turned, the ball head 23 is separated from the flat ball 22, the oval ball head 7 falls into the tooth socket of the key, the lock core 6 can be smoothly turned, the unlocking effect of the lock head is realized, the key is loosened, the lock automatically returns to the initial state like other common lock heads, the ball head 23 is pressed back to the flat ball 22 and is pressed back to the lock core 6 under the action of the spring 21, the key is pulled out, the oval ball head 7 returns to the second lock hole 12 and the fourth lock hole 13, the jacked ball head 41 is pressed back to the lock core 6 under the action of the annular spring 42, the annular spring 42 returns to the original shape, and the annular spring is inserted into the embedding groove 24 of the ball head 23 again.

When a mismatched key is inserted, the annular spring 42 limits the ball head 23 with the recessed groove 24, and the first pin mechanism 2, the second pin mechanism 3 and the fourth pin mechanism 5 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 invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

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).