CN104746973A

CN104746973A - Lock

Info

Publication number: CN104746973A
Application number: CN201510124512.3A
Authority: CN
Inventors: 王亚东; 王伟军
Original assignee: Sea Zhuhai City Weir Electrical Appliances Co Ltd
Current assignee: Zhuhai Haiweier Technology Co ltd
Priority date: 2015-03-20
Filing date: 2015-03-20
Publication date: 2015-07-01
Anticipated expiration: 2035-03-20
Also published as: CN104746973B

Abstract

The invention provides a lock. The lock comprises a lock case, a lock ring, a locking piece and a lock cylinder, wherein the lock ring, the locking piece and the lock cylinder are sequentially connected. The lock ring comprises a first end and a second end. The lock case is provided with a lock hole, and the first end is inserted into the lock hole. The lock ring further comprises a fulcrum, and the first end, the fulcrum and the second end form a lever structure. A first spring is arranged at the second end and applies force in the direction of the lock hole to the second end. The locking piece is connected with the second end in an abutting mode. When the lock cylinder drives the locking piece to circumferentially rotate by a certain angle, the locking piece is separated from the second end, the second end moves in the direction of the lock hole, and the first end is separated from the lock hole. By means of the scheme, the lock is simple in structure and easy to machine; in addition, stress in the unlocking process and the locking process is stable.

Description

Lock

Technical field

The invention belongs to mechanical manufacturing field, specifically, relate to a kind of lock.

Background technology

As everyone knows, lock is instrument conventional during people live, and all can play certain protective effect for the personal property of user and personal information.

Shown in Fig. 1 and Fig. 2 is a kind of pad lock structure of the prior art, and it comprises lock housing 10 and lock ring 20.The end of lock ring 20 has a groove 21, and lock housing 10 inside has the securing rod 30 of a lateral arrangement, and when the first end 31 of securing rod 30 is inserted into groove 21, securing rod 30 can limit the motion of lock ring 20, and lock ring 20 is in locking states.The second end 32 of securing rod 30 is connected with lock core 40, lock core 40 has lockhole, can rotating in a circumferential direction with movable lock core 40 after the key 50 of coupling is inserted into lockhole and rotates, there is a back-moving spring 60 in lock housing 10, after lock core 40 rotates, back-moving spring 60 drives securing rod 30 axis direction to move, and the first end 31 of securing rod 30 leaves in groove 21, and lock ring 20 is just in active state.

The present invention is directed to the problem that the lock construction of prior art is comparatively crowded between complexity, parts, provide a kind of structure more reasonable, the kind of drive of the power between parts is locked more reliably.

Summary of the invention

For problem crowded between the complex structure locked in prior art, parts, lock provided by the invention comprises lock housing and the lock ring be connected successively, locking piece, lock core; Lock ring comprises first end and the second end, and lock housing has lockhole, and first end is inserted in lockhole; Lock ring also comprises fulcrum, and first end, fulcrum and the second end form lever construction; The position of the second end is provided with the first spring, and the first spring applies the power towards lockhole axis direction to the second end; Locking piece abuts with the second end; After lock core drive locking piece rotates in a circumferential direction certain angle, locking piece and the second end depart from, and the second end moves along the direction towards lockhole axis, and first end departs from lockhole.

Take such scheme, the structure of lock is simple, is easy to processing, and unblanks and latching process stability under loading.

A preferred scheme is, lock comprises fixed bar, and fixed bar forms fulcrum through lock ring, and the two ends of fixed bar are fixed in lock housing.

Take such scheme, a fixed bar is fixed in lock housing through lock ring, can ensures that fixed bar is as stability during fulcrum.

A preferred scheme is provided with fixed body in lock housing, and fixed body has through hole, and lock core is arranged in through hole.

Preferred scheme is that lock comprises the second back-moving spring, and the two ends of the second back-moving spring are connected with fixed body and locking piece respectively further.

Take such scheme, the second back-moving spring can help automatically reseting of locking piece, if do not have this parts, then needs operator to drive locking piece to reset with key hand rotation lock core.

Further preferred scheme has step groove in the end of through hole, and locking piece comprises the projection that a disk and disk extend to form, and disk is nested in step groove.

Take such scheme, step groove and disk be provided with the stability under loading being beneficial to locking piece and lock core annexation.

Further preferred scheme is that the cross section of projection is a tool circle jaggy again.

Further preferred scheme is that the second back-moving spring is arranged in step groove, and the marginal portion of disk has installing hole, and one end of the second back-moving spring is through installing hole.

Take such scheme, being provided with of installing hole is beneficial to the second back-moving spring and is connected on disk.

A preferred scheme is that the second end has planar contact, and planar contact contacts with locking piece.

Take such scheme, being provided with of planar contact is beneficial to locking piece when rotated, the transmission of the contact force of locking piece and the second end.

Further preferred scheme is, lock ring has in the position through lock housing and comprises protective cover, and protective cover is set in lock ring outside.

Preferred scheme is further, and state lock ring and have bolster in the position through lock housing, one end of bolster is hinged in lock housing, and the other end of bolster is connected with protective cover.

Take such scheme, when lock ring forms lever motion, lock ring can touch the corner portions of lock housing, and can play the effect of protection lock ring after corner portions installs a bolster.

Accompanying drawing explanation

Fig. 1 is the structure chart of the embodiment of the lock of prior art.

Fig. 2 is the sectional view of the embodiment of locking in prior art.

Fig. 3 is the first embodiment that the present invention locks structure chart when being in the lock state.

Fig. 4 is the first embodiment that the present invention locks cut-away view when being in the lock state.

Fig. 5 is the first embodiment internal construction exploded view that the present invention locks.

Fig. 6 is the first embodiment lock ring that the present invention locks is converted in open mode process cut-away view by lock-out state.

Fig. 7 is the first embodiment lock ring that the present invention locks cut-away view when being in open mode.

Fig. 8 is the first embodiment lock ring that the present invention locks structure chart when being in open mode.

Fig. 9 is the top view of the second embodiment projection that the present invention locks.

Figure 10 is the top view of the 3rd embodiment projection that the present invention locks.

Figure 11 is the top view of the projection of four embodiments that the present invention locks.

Figure 12 is the top view of the projection of the 5th embodiment that the present invention locks.

Figure 13 is the radiation diagram of the projection of the 6th embodiment that the present invention locks.

Detailed description of the invention

First embodiment:

As shown in Figure 3, the lock of the present embodiment comprises lock housing 100 and lock ring 200.The upper surface 110 of lock housing 100 has lockhole 111, lock housing 100 also has two fixing holes 120, has the jack inserting for key and rotate in the lower surface of lock housing 100.As shown in Figure 4, lock ring 200 comprises first end 210.When first end 210 is when lockhole 111 is inner, lock ring 200 is blocking, and after first end 210 departs from lockhole 111, then lock ring 200 is in open mode.

As shown in 4 and Fig. 5, be also provided with locking piece 300 and lock core 400 in the inside of lock housing 100.Lock ring 200 also comprises the second end 220 and fulcrum 230.First end 210, fulcrum 230 and the second end 220 form lever construction, and namely when the second end 220 is subject to directed force F, according to lever principle, first end 210 can be subject to the power contrary with F active force.

The first spring 221 is provided with in the position of the second end 220, in the top position of fulcrum 230, there is groove 233, a part for first spring 221 is conflicted inner at groove 233, and the first spring 221 applies active force to lock ring 200 in groove 233, according to lever principle, the second end 220 can be subject to a power F towards lockhole 111 direction.Preferably, lock also comprises fixed bar 500, and fixed bar 500 forms fulcrum 230 through lock ring 200, and the two ends of fixed bar 500 are fixed on the fixing hole 120 of lock housing 100.

As shown in Fig. 3, Fig. 4 and Fig. 5, locking piece 300 abuts with the second end 220.Preferably, the second end 220 has planar contact 222.Preferably, locking piece 300 comprises the projection 320 that a disk 310 and disk 310 extend to form, and preferably, the cross section of projection 320 is tool circles jaggy.

As shown in Fig. 3, Fig. 4 and Fig. 5, be provided with fixed body 600 in lock housing 100, fixed body 600 has through hole 610, and lock core 400 is arranged in through hole 610.The two ends that lock also comprises the second back-moving spring 700, second back-moving spring 700 are connected with fixed body 600 and locking piece 300 respectively.In the end of through hole 610, there is step groove 620.Preferably, disk 310 is nested in step groove 620, and the second back-moving spring 700 is arranged in step groove 620, and the marginal portion of disk 310 has installing hole, and one end of the second back-moving spring 700 is through installing hole.

As shown in Figure 4 and Figure 5; preferably, lock ring 200 has protective cover 800 and bolster 810 in the position through lock housing 100, and it is outside that protective cover 800 is set in lock ring 200; one end of bolster 810 is hinged in lock housing 100, and the other end of bolster 810 is connected with protective cover 800.

The using method of the lock of this enforcement is described as follows.Be state diagram when lock ring 200 is in closure state as shown in Figure 3 and Figure 4, now, key is inserted in the jack of lock housing 100 lower surface by operator, and after being manually rotated counterclockwise certain angle, lock core 400 drives locking piece 300 to rotate counterclockwise.As shown in Figure 6, after projection 320 rotates to an angle, projection 320 and planar contact 222 depart from completely.As shown in Figure 7 and Figure 8, under the effect of directed force F, the second end 220 moves towards the direction of lockhole 111, and according to lever principle, first end 210 starts to depart from lockhole 111, and thereupon, namely lock ring 200 is in open mode.When operator's Manual press lock ring 200, the power that operator's hand applies can overcome the active force of the first spring 221, the first end 210 of lock ring 200 reinserts in lockhole 111, thus makes first end 210 again return to vertical state as shown in Figure 6.Subsequently, under the effect of the second back-moving spring 700, projection 320 rotates clockwise, and the external surface of projection 320 contacts with planar contact 222 again, thus the motion of restriction first end 210, lock ring 200 returns to lock-out state as shown in Figure 3 and Figure 4 again.

Second embodiment:

Be the embodiment of a kind of distortion of projection as shown in Figure 9, the cross section of projection is tool circle jaggy.Breach is the shape of similar rectangle, and a limit of breach is a part for the girth of circle.The present embodiment other parts are identical with the first embodiment.

3rd embodiment:

Be the embodiment of the another kind distortion of projection as shown in Figure 10, the cross section of projection is tool circle jaggy.Breach is similar trapezoidal shape, and trapezoidal long base is a part for circumference.The present embodiment other parts are identical with the first embodiment.

4th embodiment:

Be the embodiment of the another kind distortion of projection as shown in figure 11, the cross section of projection is crescent.The present embodiment other parts are identical with the first embodiment.

5th embodiment:

Be the embodiment of the another kind distortion of projection as shown in figure 12, the cross section of projection is cam-shaped.The present embodiment other parts are identical with the first embodiment.

6th embodiment:

Be the embodiment of the another kind distortion of projection as shown in figure 13, the cross section of projection is crescent.The present embodiment other parts are identical with the first embodiment.

7th embodiment:

In a first embodiment, the axis of locking piece, lock core is in the left side of the second end, and in the present embodiment, the axis of locking piece, lock core is arranged on the right side of the second end.In a first embodiment, the first spring fitting in the top position of fulcrum, thus provides directed force F indirectly to the second end, and in the present embodiment, the first spring fitting is on planar contact, and the elastic force of the first spring acts directly on planar contact.

Claims

1. lock, comprise lock housing and the lock ring be connected successively, locking piece, lock core;

Described lock ring comprises first end and the second end, and described lock housing has lockhole, and described first end is inserted in described lockhole;

It is characterized in that:

Described lock ring also comprises fulcrum, and described first end, described fulcrum and described the second end form lever construction;

The position of described the second end is provided with the first spring, and described first spring applies the power towards described lockhole axis direction to described the second end;

Described locking piece abuts with described the second end;

When described lock core drives described locking piece to rotate in a circumferential direction after certain angle, described locking piece and described the second end depart from, and described the second end moves along the direction towards described lockhole axis, and described first end departs from described lockhole.

2. lock according to claim 1, is characterized in that:

Described lock comprises fixed bar, and described fixed bar forms described fulcrum through described lock ring, and the two ends of described fixed bar are fixed in described lock housing.

3. lock according to claim 1, is characterized in that:

Be provided with fixed body in described lock housing, described fixed body has through hole, and described lock core is arranged in described through hole.

4. lock according to claim 3, is characterized in that:

Described lock comprises the second back-moving spring, and the two ends of described second back-moving spring are connected with described fixed body and described locking piece respectively.

5. lock according to claim 4, is characterized in that:

Have step groove in the end of described through hole, described locking piece comprises the projection that a disk and described disk extend to form, and described disk is nested in described step groove.

6. lock according to claim 5, is characterized in that:

The cross section of described projection is a tool circle jaggy.

7. lock according to claim 5, is characterized in that:

Described second back-moving spring is arranged in described step groove, and the marginal portion of described disk has installing hole, and one end of described second back-moving spring is through described installing hole.

8. the lock according to any one of claim 1 to 7, is characterized in that:

Described the second end has planar contact, and described planar contact contacts with described locking piece.

9. the lock according to any one of claim 1 to 6, is characterized in that:

Described lock ring comprises protective cover having through the position of described lock housing, and it is outside that described protective cover is set in described lock ring.

10. lock according to claim 9, is characterized in that;

Described lock ring has bolster in the position through described lock housing, and one end of described bolster is hinged in described lock housing, and the other end of described bolster is connected with described protective cover.