CN101974995B - Lock core - Google Patents

Abstract

The invention discloses a lock core, which comprises a first lock shell and a second lock shell, wherein a first lock liner and a second lock liner are respectively arranged in the first lock shell and the second lock shell; the lock core lengthening structure is characterized in that a detachable lock core lengthening body is arranged between the first lock shell and the lock middle shell or between the second lock shell and the lock middle shell, a lock core lengthening body capable of rotating in the lock core lengthening body is arranged in the lock core lengthening body, the first lock core and the second lock core are connected with the poking assembly through the lock core lengthening body, and the first lock shell, the second lock shell, the lock middle shell and the lock core lengthening body are fixed through a fixing structure. Because the detachable lock middle shell is arranged in the center of the two lock shells, one or more lock core lengthening bodies can be added between the two lock shells and the lock middle shell, so that the door lock can adapt to doors with different thicknesses; and the structure, easy dismounting, greatly reduced manufacturing cost.

Description

a lock cylinder

【Technical field】

The invention relates to a lock cylinder.

【Background technique】

The lock cylinder is an important component of the door lock and plays an important role. However, due to the different thickness of the door, the length of the lock cylinder installed on the door must also be different to match the thickness of the door. Therefore, in the production When locking the cylinder, it is necessary to process many kinds of lock cylinders with different lengths, which brings great inconvenience to the manufacturer to organize the production of the lock cylinder, causes the manufacturer to waste resources during production, and increases the cost. Simultaneously, also bring a lot of inconvenience to seller, when consumer buys door lock, also easily produce confusion on the length of choosing lock cylinder.

【Content of invention】

The purpose of the present invention is to solve the deficiencies of the prior art, and provide a lock cylinder with a simple structure that can adapt to doors of different thicknesses.

The purpose of the present invention is achieved like this:

A lock cylinder is characterized in that it includes a first lock shell 11 and a second lock shell 12, and a first lock cylinder 21 and a second lock cylinder 22 are respectively arranged in the first lock shell 11 and the second lock shell 12, Between the first lock case 11 and the second lock case 12, a lock case 3 is detachably connected, and a toggle assembly 4 is installed on the lock case 3; between the first lock case 11 and the lock case 3 Occasionally, a detachable lock cylinder extension body 7 is provided between the second lock housing 12 and the lock middle housing 3, and a lock cylinder extension body 8 that can rotate therein is provided in the lock cylinder extension body 7, and the first lock cylinder 21 and The second lock cylinder 22 is connected to the toggle assembly 4 through the lock cylinder extension body 8 , and the first lock casing 11 , the second lock casing 12 , the lock inner casing 3 and the lock cylinder extension body 7 are fixed through the fixing structure 6 .

A lock cylinder as described above is characterized in that a cylindrical hole 71 is provided at the bottom of the lock cylinder extension body 7, a circular concave platform 711 is provided on one side of the cylindrical hole 71, and a round concave platform 711 is provided on the other side. There is a round boss 712; a dovetail groove 72 is provided on one side of the upper part of the lock cylinder extension body 7, and a dovetail block 73 is provided on the other side of the upper part; the dovetail groove 72 and the dovetail block 73 are cylindrical The center of the round hole 71 is the center to form an arc-shaped dovetail groove 72 and a dovetail block 73 .

A lock cylinder as described above is characterized in that the cylinder extension body 8 is set in the cylindrical hole 71 and can rotate in it, and one side of the cylinder extension body 8 is provided with a cylinder locking groove 81 , the other side of the upper part is provided with a cylinder locking block 82 .

A lock cylinder as above is characterized in that the inner wall of the cylindrical hole 71 of the lock core extension body 7 is provided with an inner card slot 74, the outer wall of the lock cylinder extension body 8 is provided with an outer card slot 84, and the lock core extension body 7 and The cylinder extension body 8 is respectively snapped into the inner slot 74 and the outer slot 84 through a snap spring 842 to be fixed.

A lock cylinder as described above is characterized in that the first lock housing 11 and the second lock housing 12 are provided with lock housing dovetail grooves 111 and 112 that cooperate with the dovetail block 73 of the lock cylinder extension body 7, The lock inner shell 3 is provided with a lock inner shell dovetail block 30 matched with the dovetail groove 72 of the lock cylinder extension body 7 .

A lock cylinder as described above is characterized in that the fixing structure 6 is provided with a fixing groove 61 arranged along the axis of the cylindrical hole 71 on the top of the lock cylinder extension body 7, and the first lock shell 11. The upper part of the second lock housing 12 and the middle lock housing 3 are provided with fixing grooves 61 in the same direction, and the fixing member 5 is embedded in the fixing grooves 61 and fixed by screws.

A lock cylinder as described above is characterized in that the fixing structure 6 is provided with a fixing hole 62 arranged along the center of the circular axis of the cylindrical hole 71 on the lock cylinder extension body 7, and in the first lock shell 11. Both the second lock housing 12 and the inner lock housing 3 are provided with fixing holes 62, and screws are inserted into the fixing holes 62 for fixing.

A lock cylinder as described above is characterized in that the toggle assembly 4 includes a toggle piece 41 that can be driven to rotate by the first lock cylinder 21 or the second lock cylinder 22, and it also includes a toggle member arranged on the first lock cylinder 21 or the second lock cylinder The clutch device 42 between the two lock cylinders 22; the clutch device 42 includes a rotating sleeve 421, the outer wall of the rotating sleeve 421 is provided with a rotating block 422, and the rotating sleeve 421 is provided with a slide bar 423 that can slide in the rotating sleeve 421 , Both ends of the slide bar 423 are respectively provided with pushing blocks 424, and a reset spring 425 is arranged between the pushing blocks 424 on the slide bar 423 and the rotating sleeve.

A lock cylinder as described above is characterized in that the inner wall of the cylindrical hole 100 of the toggle member 41 is provided with an annular retaining ring 411, and the annular retaining ring 411 is provided with a rotating block for rotating the outer wall of the sleeve 421 422 is snapped into the toggle slot 412.

A lock cylinder as described above is characterized in that the lock inner shell 3 is U-shaped, and a receiving space 32 for the toggle member 41 to rotate is provided in its middle.

A lock cylinder as described above is characterized in that both the first lock cylinder 21 and the second lock cylinder 22 are provided with a tumbler assembly 13 and a key slot 14 into which a key can be inserted.

A lock cylinder as described above is characterized in that the first lock cylinder 21 is provided with a tumbler assembly 13 and a key slot 14 into which a key can be inserted. The handle 121 of.

Since the present invention is equipped with a detachable inner lock housing in the center of the two lock housings, the present invention can add one or more lock cylinder extensions between the two lock housings and the lock inner housing, thereby realizing the ability to adapt to different thicknesses. The door; and the structure, easy disassembly and assembly, greatly reducing the production cost.

【Description of drawings】

Fig. 1 is a perspective view of Embodiment 1 of the present invention;

Fig. 2 is a structural exploded view of the present invention;

Fig. 3 is a sectional view of the present invention;

Fig. 4 is the front view of the lock cylinder extension body of the present invention;

Fig. 5 is a D-D sectional view of Fig. 4;

Fig. 6 is a perspective view of the lock cylinder extension body of the present invention;

Fig. 7 is a perspective view of the cylinder lock extension body and the jumper;

Fig. 8 is a perspective view of the housing in the lock;

Figure 9 is a perspective view of the clutch device;

Figure 10 is a sectional view of the clutch device;

Figure 11 is a perspective view of the toggle;

Figure 12 is a front view of the toggle;

Fig. 13 is A-A sectional view of Fig. 12;

Fig. 14 is a perspective view of Embodiment 2 of the present invention;

Figure 15 is Figure 14 and a sectional view.

【Detailed ways】

Embodiment one:

A kind of lock cylinder, it comprises the first lock shell 11 and the second lock shell 12, in the first lock shell 11, the second lock shell 12 are respectively provided with the first lock cylinder 21, the second lock cylinder 22, in the first A lock housing 3 is detachably connected between the lock housing 11 and the second lock housing 12, and a toggle assembly 4 is mounted on the lock housing 3; between the first lock housing 11 and the lock housing 3 or the second A detachable lock cylinder extension body 7 is provided between the lock housing 12 and the lock middle shell 3, and a lock cylinder extension body 8 that can rotate in it is provided in the lock cylinder extension body 7. The first lock cylinder 21 and the second lock cylinder The gallbladder 22 is connected with the toggle piece 4 through the cylinder lock extension body 8 . The first lock case 11, the second lock case 12, the middle lock case 3 and the lock core extension body 7 are fixedly connected by the fixture 5; because the present invention is provided with a detachable lock middle case in the center of the two lock cases, so that the present invention The invention can add one or more lock cylinder extensions 7 between the two lock shells and the lock middle shell, so as to realize doors that can adapt to different thicknesses.

Wherein the first lock cylinder 21 and the second lock cylinder 22 are provided with a tumbler assembly 13 and a key slot 14 into which a key can be inserted. This structure can use a key to drive the toggle assembly 4 to rotate through the first lock gut 21 and the second lock gut 22 to open the lock core from inside and outside the door.

The bottom of the lock cylinder extension body 7 is provided with a cylindrical hole 71, and one side of the cylindrical hole 71 is provided with a round concave platform 711, and the other side is provided with a round convex platform 712; One side of the upper part of the upper part is provided with a dovetail groove 72, and the other side of the upper part is provided with a dovetail block 73 which can cooperate with it; a lock cylinder extension body 8 which can rotate in the cylindrical hole 71 is provided, and the lock One side of the cylinder extension body 8 is provided with a cylinder lock slot 81 , and the other side of the upper part is provided with a cylinder lock block 82 .

The dovetail groove 72 and the dovetail block 73 are arc-shaped dovetail grooves 72 and dovetail blocks 73 formed around the center of the cylindrical hole 71 .

The first lock housing 11 and the second lock housing 12 are provided with lock housing dovetail slots 111, 112 that cooperate with the dovetail block 73 of the lock cylinder extension body 7, and the left and right sides of the lock middle housing 3 are provided with lock cylinder extensions. The dovetail block 30 of the housing in the lock matched with the dovetail groove 72 of the body 7.

The inner wall of the cylindrical hole 71 of the lock cylinder extension body 7 is provided with an inner card groove 74, and the outer wall of the lock cylinder extension body 8 is provided with an outer card groove 84, and the lock cylinder extension body 7 and the lock cylinder extension body 8 are locked respectively by a snap spring 842. Enter the inner card slot 74 and the outer card slot 84 to fix.

The toggle assembly 4 includes a toggle member 41 that can be driven to rotate by the first lock cylinder 21 or the second lock cylinder 22, and also includes a clutch device 42 arranged between the first lock cylinder 21 and the second lock cylinder 22; The clutch device 42 described above includes a rotating sleeve 421, the outer wall of which is provided with a rotating block 422, the rotating sleeve 421 is provided with a sliding rod 423 which can slide in the rotating sleeve 421, and the tail ends on both sides of the sliding rod 423 are respectively provided with a push button. The push block 424 is provided with a return spring 425 between the push block 424 on the slide bar 423 and the rotating sleeve. The inner wall of the cylindrical hole 100 of the toggle member 4 is provided with an annular retaining ring 411 , and the annular retainer ring 411 is provided with a toggle member slot 412 for engaging the rotating block 422 on the outer wall of the rotating sleeve 421 .

In the present invention, the first lock housing 11, the second lock housing 12, the middle lock housing 3 and the lock core extension body 7 can be fixed in the following manner: the fixed structure 6 is opened on the top of the lock core extension body 7 along a cylindrical shape. The fixing groove 61 that circular hole 71 circular axis center direction is provided with, and all be provided with fixing groove 61 on the top of the first lock housing 11, the second lock housing 12, the lock middle shell 3, the fixing part 5 is embedded in the fixing groove 61 and by Screw fixed.

The first lock housing 11, the second lock housing 12, the lock middle housing 3 and the lock core extension body 7 can also be fixed on the lock core extension body 7 along the direction of the cylindrical hole 71 circle axis. Holes 62, and the first lock housing 11, the second lock housing 12 and the lock housing 3 are all provided with fixing holes 62, and screws are inserted into the fixing holes 62 to fix.

In order to supplement the distance between the rotating assembly and the lock cylinder caused by the lock cylinder extension 7, a washer 66 can be added between the rotating assembly and the first lock cylinder 21 and the second lock cylinder 22 of the lock.

The first lock housing 11 , the second lock housing 12 , the middle lock housing 3 and the lock cylinder extension 7 are all provided with cylindrical holes, and the centers of the cylindrical holes are on the same axis. The first lock cylinder 21, the second lock cylinder 22, and the lock cylinder extension body 8 are respectively cylindrical.

The lock middle shell 3 is U-shaped, and a receiving space 32 for the toggle member 41 to rotate is provided in the middle thereof.

Embodiment two:

As shown in Fig. 14 and Fig. 15, in this embodiment, only the pin assembly 13 and the key slot 14 for the insertion of the key are provided on the first lock cylinder 21, and the second lock housing 12 is provided with a second lock that can drive the second lock. The handle 121 that gallbladder 22 rotates. Other structures are the same as those in Embodiment 1. This structure can be used to open the lock core with a key on the outside of the door, and to open the lock core by turning the handle 121 on the inside of the door.

Claims (10)

1. lock core, it is characterized in that it comprises first lock housing (11) and second lock housing (12), in first lock housing (11), second lock housing (12), be respectively equipped with first lock gall (21), second lock gall (22), dismountable lock mesochite (3) that is connected with is equipped with shifting component (4) at lock mesochite (3) between first lock housing (11) and second lock housing (12); Be provided with dismountable lock core extended body (7) between described first lock housing (11) and the lock mesochite (3) or between second lock housing (12) and the lock mesochite (3), be provided with the lock gall extended body (8) that can rotate in the lock core extended body (7) within it, first lock gall (21) is connected with shifting component (4) by lock gall extended body (8) with second lock gall (22), described first lock housing (11), second lock housing (12), lock mesochite (3) and lock core extended body (7) are fixing by fixed structure (6), the bottom of described lock core extended body (7) is provided with cylindrical circular hole (71), be provided with round concave table (711) in a side of cylindrical circular hole (71), the another side is provided with boss platform (712); Side on the top of lock core extended body (7) is provided with dovetail groove (72), is provided with dovetail fixture block (73) in the another side on top; Described dovetail groove (72) and dovetail fixture block (73) are dovetail groove (72) and the dovetail fixture blocks (73) that forms arc centered by the center of circle of cylindrical circular hole (71).

2. a kind of lock core according to claim 1, it is characterized in that described lock gall extended body (8) is arranged in the cylindrical circular hole (71) and can rotates within it, one side of lock gall extended body (8) is provided with lock gall draw-in groove (81), is provided with lock gall fixture block (82) in the another side on top.

3. a kind of lock core as claimed in claim 1 or 2, cylindrical circular hole (71) inwall that it is characterized in that lock core extended body (7) is provided with inner card cage (74), lock gall extended body (8) outer wall is provided with exterior bayonet slot (84), lock core extended body (7) and lock gall extended body (8) by a jump ring (842) snap in inner card cage (74) respectively, exterior bayonet slot (84) is fixed.

4. a kind of lock core according to claim 3, it is characterized in that described first lock housing (11) and second lock housing (12) are provided with the lock housing dovetail groove (111,112) that matches with the dovetail fixture block (73) of lock core extended body (7), lock mesochite (3) is provided with the lock mesochite dovetail fixture block (30) that matches with the dovetail groove (72) of lock core extended body (7).

5. a kind of lock core according to claim 1, it is characterized in that described fixed structure (6) is to have the holddown groove (61) that arranges along cylindrical circular hole (71) circular shaft heart direction at lock core extended body (7) top, and being equipped with the holddown groove (61) of equidirectional on the top of first lock housing (11), second lock housing (12), lock mesochite (3), fixture (5) embeds in the holddown groove (61) and by screw and fixes.

6. a kind of lock core according to claim 1, it is characterized in that described fixed structure (6) is to be provided with the fixing hole (62) that arranges along cylindrical circular hole (71) circular shaft heart direction at lock core extended body (7), and first lock housing (11), second lock housing (12) and lock mesochite (3) be equipped with fixing hole (62), screw inserts in the fixing hole (62) fixing.

7. a kind of lock core according to claim 1 and 2, it is characterized in that shifting component (4) comprises the shifting part (41) that can be driven its rotation by first lock gall (21) or second lock gall (22), it also comprises the arrangement of clutch (42) that is arranged between first lock gall (21) and second lock gall (22); Described arrangement of clutch (42) comprises turning set (421), turning set (421) outer wall is provided with and rotates fixture block (422), be provided with the slide bar (423) that can in turning set (421), slide in the turning set (421), the both sides tail end of slide bar (423) is respectively equipped with ejection piece (424), is provided with back-moving spring (425) between the ejection piece (424) on the slide bar (423) and turning set.

8. a kind of lock core according to claim 7, cylindrical circular hole (100) inwall that it is characterized in that described shifting part (41) is provided with annular retaining ring (411), and annular retaining ring (411) is provided with the shifting part draw-in groove (412) that the rotation fixture block (422) that can supply turning set (421) outer wall snaps in.

9. a kind of lock core according to claim 8 is characterized in that described lock mesochite (3) is ㄇ shape, and its middle part is provided with the accommodation space (32) that can supply shifting part (41) to rotate.

10. a kind of lock core according to claim 1 and 2 is characterized in that the key (14) that all is provided with pellet shot from a slingshot assembly (13) in described first lock gall (21) and second lock gall (22) and can supplies key to insert.

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