TWM513253U - Locking mechanism of plum lock - Google Patents

Description

Locking structure of plum lock

The present invention relates to a locking structure, and more particularly to a locking structure for a plum lock for rotationally fixing a lock cylinder in a lock case having a through hole.

At present, the lock cylinder in the plum lock is rotatably fixed in the lock case having the through hole by a plurality of elastic lock beads. Since the plurality of locking beads provide elasticity by a plurality of elastic members, and the plurality of locking beads and the plurality of elastic members are very small in size, they are more complicated to assemble.

In addition, since the conventional plum locks use a large number of elastic members, the damage probability of the elastic members is increased, and when the elastic members are damaged, the plum lock can not be used.

Therefore, how to create a structure in which the lock cylinder is rotationally fixed in the lock case is easy to assemble and can effectively reduce the probability of damage, which will be actively exposed by the present invention.

The purpose of the present invention is to provide a locking structure for a plum lock for rotationally fixing a lock cylinder in a lock case having a through hole, which is easy to assemble and can effectively reduce the probability of damage.

In order to achieve the above and other objects, the present invention proposes a lock structure for a plum lock for rotationally fixing a lock cylinder in a lock case having a through hole, the lock core having a lock core body and a lock cylinder a lock rod disposed at one end of the lock cylinder body, the other end of the lock core body corresponding to a key insertion end of the lock case, the lock structure comprising a plurality of lock bead grooves, a positioning groove, and a lock bead a hole, a plurality of first locking beads, a positioning member, a plurality of V-shaped grooves, a first elastic member, a second locking bead and a second elastic member.

The locking bead grooves are annularly recessed at the other end of the lock cylinder body with a central axis of the lock cylinder body, and the opening of the locking bead slots faces the key insertion end.

The positioning groove is recessed in a sidewall of the lock cylinder body.

The locking bead hole and the central axis are horizontally disposed on the lock cylinder body, and the locking bead hole penetrates the sidewall of the positioning groove and is aligned with a receiving groove of the lock cylinder.

The first locking beads are respectively inserted into each of the locking bead grooves.

The positioning member is disposed in the positioning groove, and has a locking bead through hole and an inverted V-shaped structure; the locking bead through hole is disposed in a sidewall of the positioning member, and the locking bead hole is aligned, and the locking bead is The through hole is larger than the locking bead hole; and the inverted V-shaped structure is disposed at the top of the positioning member.

The V-shaped grooves are recessed in the inner wall of the lock case, corresponding to the inverted V-shaped structure.

The first elastic element is disposed between the bottom of the positioning member and the bottom of the positioning groove.

The second locking bead is inserted into the locking bead hole and the locking bead through hole, and the bottom of the second locking bead is received in the receiving groove, and the second locking bead has a corresponding groove, the corresponding concave The slot is engaged with the locking bead through hole.

The second elastic element is disposed between the bottom of the second locking bead and the bottom of the receiving groove.

The second locking bead fixes the positioning member when the corresponding groove is not engaged with the locking bead through hole, so that the inverted V-shaped structure protrudes from the positioning groove, and the inverted V-shaped structure is limited to In one of the V-shaped grooves, the lock core body cannot rotate; when the corresponding groove is engaged with the lock bead through hole, the positioning member is moved to the positioning groove, and when the lock cylinder body rotates The inverted V-shaped structure is pressed into the positioning groove by the inner wall of the lock case.

In the lock structure of the present invention, the angle of the inverted V-shaped structure is 75 degrees.

In the lock structure of the present invention, the angle of each of the V-shaped grooves is 90 degrees.

In the lock structure of the present invention, at least two of the first lock beads have different lengths.

In summary, the locking structure of the plum blossom lock of the present invention is easy to assemble by the above configuration, and can effectively reduce the probability of damage.

In order to fully understand the purpose, features and effects of this creation, the following specific examples, together with the attached drawings, provide a detailed description of the creation, as explained below:

Please refer to FIG. 1 , which is an exploded view of the locking structure 100 of the present plum lock. The locking structure 100 is used for rotationally fixing a lock cylinder 1000 in a through hole 2100 of a lock housing 2000 . The first core end 1110 of the lock cylinder body 1100 is disposed at a first end 1110 of the lock cylinder body 1100, and a second end 1120 of the lock core body 1100 corresponds to the lock case 2000. A key is inserted into the end 2200. The components of the other combination plum locks are also shown in Fig. 1. Since these components are conventional components, they are not specifically labeled in the present specification, and the description is omitted. The locking structure 100 includes a plurality of locking bead slots 10, a positioning groove 20, a locking bead hole 30, a plurality of first locking beads 40, a positioning member 50, a plurality of V-shaped grooves 60, and a first elastic member 70. a second locking bead 80 and a second elastic member 90.

Referring to FIG. 1 to FIG. 2B, the ball lock groove 10 is annularly recessed on the second end 1120 of the lock cylinder body 1100 by a central axis 1130 of the lock cylinder body 1100, and the lock bead grooves are The opening of 10 faces the key insertion end 2200.

The positioning groove 20 is recessed in the sidewall of the lock cylinder body 1100.

The locking bead hole 30 and the central axis 1130 are horizontally disposed on the lock cylinder body 1100 , and the locking bead hole 30 extends through the sidewall of the positioning recess 20 and is aligned with a receiving slot 1210 of the lock bar 1200 . .

The first locking beads 40 are respectively inserted into the locking bead grooves 10 . Moreover, the lengths of at least two of the first locking beads 40 are preferably different.

The positioning member 50 is disposed on the positioning groove 20, and the positioning member 50 has a locking bead through hole 51 and an inverted V-shaped structure 52. The locking bead through hole 51 is disposed on the side wall of the positioning member 50, The locking bead hole 30 is larger than the locking bead hole 30; the inverted V-shaped structure 52 is disposed at the top of the positioning member 50, and the angle of the inverted V-shaped structure 52 is preferably 75 degrees. .

The V-shaped grooves 60 are recessed in the inner wall of the lock case 2000, corresponding to the inverted V-shaped structure 52; wherein the angle of each of the V-shaped grooves 60 is preferably 90 degrees. When the angle of the inverted V-shaped structure 52 is 75 degrees, the angle of each of the V-shaped grooves 60 is 90 degrees, and the positioning member 50 can move to the positioning groove, the inverted V-shaped structure 52 is easily separated from each of the V Shape groove 60.

The first elastic member 70 is disposed between the bottom of the positioning member 50 and the bottom of the positioning groove 20, thereby allowing the positioning member 50 to elastically move relative to the cylinder body 1100.

The second locking bead 80 is inserted into the locking bead hole 30 and the locking bead through hole 51, and the bottom of the second locking bead 80 is received in the receiving groove 1210, and the second locking bead 80 has a corresponding The groove 81 is movably engaged with the locking bead through hole 51.

The second elastic member 90 is disposed between the bottom of the second locking bead 80 and the bottom of the receiving groove 1210 , thereby allowing the second locking bead 80 to elastically move relative to the lock cylinder 1200 .

Referring to FIG. 2A and FIG. 2B again, when a key (not shown) is inserted into the Phillips lock, the corresponding groove 81 of the second lock bead 80 is misaligned and is not engaged with the lock bead through hole. 51. Therefore, the second locking bead 80 fixes the positioning member 50, so that the inverted V-shaped structure 52 of the positioning member 50 protrudes from the positioning groove 20, and the inverted V-shaped structure 52 is limited to the V-shaped grooves 60. One (as shown in Fig. 2A, the inverted V-shaped structure 52 is limited to the uppermost V-shaped groove 60). If an incorrect key is inserted, the key cannot compress the second locking bead 80 to a specific position, so that the corresponding groove 81 of the second locking bead 80 still cannot be aligned and is engaged with the locking bead through hole 51. The second locking bead 80 continues to fix the positioning member 50. The inverted V-shaped structure 52 of the positioning member 50 continuously protrudes from the positioning groove 20, and the inverted V-shaped structure 52 is continuously limited to the uppermost V-shaped groove 60. Therefore, the key cannot drive the lock cylinder body 1100 to rotate, thereby achieving the locking effect. The first locking beads 40 are used to limit the depth and position of the key insertion.

3A to 3C, in order to make the locking structure 100 clear, FIG. 3A to FIG. 3C omits the drawing of the key; when a correct key (not shown) is inserted into the plum lock, the The key locks the second locking bead 80 to a specific position, and the corresponding groove 81 of the second locking bead 80 is aligned and engaged with the locking bead through hole 51, so that the positioning member 50 is movable to the positioning groove 20, Therefore, the key can drive the lock cylinder body 1100 to rotate; as shown in FIGS. 3B and 3C, since the positioning member 50 is movable, when the lock cylinder body 1100 rotates, the inverted V-shaped structure 52 of the positioning member 50 first After being disengaged from the uppermost V-shaped groove 60, the inverted V-shaped structure 52 of the positioning member 50 is pressed into the positioning groove 20 by the inner wall of the locking case 2000, and the inverted V-shaped structure 52 is not limited to being located. The uppermost V-shaped groove 60, whereby the lock cylinder body 1100 can be rotated relative to the lock case 2000, thereby achieving the function of unlocking. The first locking beads 40 are used to limit the depth and position of the key insertion.

In summary, the locking structure of the present plum lock has only two elastic elements used in the above configuration, and the assembly is easy, so that the probability of damage can be effectively reduced.

Further, as shown in FIG. 2B, FIG. 3B, and FIG. 3C, the rotation direction of the key cylinder main body 1100 is not limited thereto, and the rotation of the drawing may be performed in the clockwise direction.

The present invention has been disclosed in the above preferred embodiments, and it should be understood by those skilled in the art that the present invention is only intended to depict the present invention and should not be construed as limiting the scope of the present invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of this creation is subject to the definition of the scope of patent application.

10‧‧‧Lock beads
20‧‧‧ positioning groove
30‧‧‧Lock beads
40‧‧‧First lock beads
50‧‧‧ positioning parts
51‧‧‧Lock beads through hole
52‧‧‧ inverted V-shaped structure
60‧‧‧V-groove
70‧‧‧First elastic element
80‧‧‧Second lock beads
81‧‧‧ corresponding groove
90‧‧‧Second elastic element
100‧‧‧Locking structure
1000‧‧‧Lock core
1100‧‧‧Clock body
1110‧‧‧ first end
1120‧‧‧ second end
1130‧‧‧Center axis
1200‧‧‧Lock rod
1210‧‧‧ accommodating slots
2000‧‧‧Lock shell
2100‧‧‧through hole
2200‧‧‧ key insertion end

[Fig. 1] is an exploded view of the locking structure of the original plum lock. [Fig. 2A] is a cross-sectional view showing the locking structure of the creation plum blossom lock when it is locked. [Fig. 2B] is a front view of the locking structure of the creation plum blossom lock when it is locked. [Fig. 3A] is a cross-sectional view showing the locking structure of the creation plum blossom lock when unlocking. [Fig. 3B] is a front view of the locking structure of the creation plum blossom lock when unlocking. [Fig. 3C] is a front view of the lock structure of the created plum blossom lock when it is unlocked.

10‧‧‧Lock beads

20‧‧‧ positioning groove

30‧‧‧Lock beads

40‧‧‧First lock beads

50‧‧‧ positioning parts

51‧‧‧Lock beads through hole

52‧‧‧ inverted V-shaped structure

60‧‧‧V-groove

70‧‧‧First elastic element

80‧‧‧Second lock beads

81‧‧‧ corresponding groove

90‧‧‧Second elastic element

100‧‧‧Locking structure

1000‧‧‧Lock core

1100‧‧‧Clock body

1110‧‧‧ first end

1120‧‧‧ second end

1130‧‧‧Center axis

1200‧‧‧Lock rod

1210‧‧‧ accommodating slots

2000‧‧‧Lock shell

2100‧‧‧through hole

2200‧‧‧ key insertion end

Claims (5)

A lock structure for a plum lock for rotationally fixing a lock cylinder in a lock case having a through hole, the lock core having a lock core body and a lock core rod, wherein the lock core rod is disposed on the lock core One end of the main body, the other end of the lock core body corresponds to a key insertion end of the lock case, and the lock structure comprises: a plurality of lock bead grooves, and a central axis of the lock core body is annularly recessed on the lock The other end of the core body, and the opening of the locking bead groove faces the key insertion end; a positioning groove recessed in the sidewall of the lock core body; a locking bead hole horizontally disposed with the central axis a lock cylinder body, and the lock bead hole penetrates the side wall of the positioning groove and is aligned with a receiving groove of the lock rod; a plurality of first lock beads are respectively inserted in each of the lock bead grooves; The movable hole is disposed in the positioning groove, and has: a locking bead through hole, is disposed on the sidewall of the positioning member, is aligned with the locking bead hole, and the locking bead through hole is larger than the locking bead hole; and an inverted V shape The structure is disposed on the top of the positioning member; the plurality of V-shaped grooves are recessed on the inner wall of the lock case, and should be inverted a V-shaped structure; a first elastic member disposed between the bottom of the positioning member and the bottom of the positioning groove; a second locking bead inserted in the locking bead hole and the locking bead through hole, and the first The bottom of the second locking bead is received in the receiving groove, and the second locking bead has a corresponding groove, the corresponding groove is movably engaged with the locking bead through hole; and a second elastic element is disposed on the first Between the bottom of the two locking beads and the bottom of the receiving groove; wherein, when the corresponding groove is not engaged with the locking bead through hole, the second locking bead fixes the positioning member, so that the inverted V-shaped structure is convex For the positioning groove, and the inverted V-shaped structure is limited to one of the V-shaped grooves, the lock core body cannot rotate; when the corresponding groove is engaged with the lock bead through hole, the positioning member is made The movable groove is movable in the positioning groove, and when the lock cylinder body rotates, the inverted V-shaped structure is pressed into the positioning groove by the inner wall of the lock case. The locking structure of claim 1, wherein the inverted V-shaped structure has an angle of 75 degrees. The locking structure of claim 2, wherein each of the V-shaped grooves has an angle of 90 degrees. The locking structure of claim 1, wherein each of the V-shaped grooves has an angle of 90 degrees. The locking structure of any one of claims 1 to 4, wherein at least two of the first locking beads are of different lengths.