CN101936093B

CN101936093B - Night lock

Info

Publication number: CN101936093B
Application number: CN2010102741058A
Authority: CN
Inventors: 陆颂荫
Original assignee: Ningbo Yinzhou Jianjun Machinery Technology Co Ltd
Current assignee: NANTONG TONGZHOU DISTRICT YUESHUO AGRICULTURE DEVELOPMENT CO., LTD.
Priority date: 2010-09-03
Filing date: 2010-09-03
Publication date: 2012-07-25
Anticipated expiration: 2030-09-03
Also published as: CN101936093A

Abstract

The invention relates to a night lock which comprises a key, a lock shell, a lock head and an unlocking device, wherein the lock head is fixedly installed in the lock shell; and the unlocking device is fixedly connected with the lock head. The unlocking device is characterized in that that an unlocking rotary sheet of the unlocking device is fixedly connected with the lock head; an upper safety column and a lower safety column are respectively fixed at both ends of the unlocking rotary sheet and respectively butted against an upper lock pin and a lower lock pin which are movably sleeved in the lock shell; the lock column is movably sleeved in the lock shell; the other ends of the upper lock pin and the lower lock pin can be respectively inserted into an upper groove and a lower groove of the lock column; pressure-bearing telescopic elements which can be extruded by the unlocking rotary sheet to unscrew the upper safety column and the lower safety column and pull the upper lock pin and the lower lock pin out of the grooves of the lock column are also fixed on the upper lock pin and the lower lock pin; and a resetting spring is also arranged between the pressure-bearing telescopic elements and the lock shell. The night lock has higher safety performance and can not be unlocked under the condition of no key.

Description

Cylinder lock

Technical field:

The present invention relates to a kind of lock, specifically is a kind of cylinder lock.

Background technology:

Use various locksets for the safety of protection property through regular meeting in the daily life, and cylinder lock owing to easy to use, and is widely used as a kind of modal lockset.As a kind of important daily necessities, people have proposed increasingly high requirement to the safe antitheft performance of cylinder lock.The structure kind of cylinder lock is a lot of at present, and major part has been considered the security performance of its tapered end emphatically, so its lock head structure is had nothing in common with each other; And the internal construction of its device that undoes the lock is all similar, and like the cylinder lock of the oblique dead bolt of band comparatively common on the market, the dead bolt of its device that undoes the lock is a ramped shaped; Do not having under the situation of key, in the thin slice insertion crack between a door and its frame with hard, making the thin slice compressing dead bolt of hard; Just can open the device that undoes the lock, cylinder lock is opened.Like this for some stealers, can cylinder lock not opened under the situation of key having yet, reduced the safety of cylinder lock to a certain extent.

Summary of the invention:

The technical problem that the present invention will solve is: provide a kind of security performance better, do not having under the situation of key the cylinder lock that just can't unblank.

For solving the problems of the technologies described above; The present invention adopts a kind of like this cylinder lock: it comprises key, lock shell, tapered end and the device that undoes the lock; Described tapered end is fixedly installed in the lock shell; The described device that undoes the lock is fixedly connected with tapered end, and the structure of the described device that undoes the lock is following, and the blade of unblanking of the described device that undoes the lock is fixedly connected with tapered end; The two ends of the described blade of unblanking are fixed with safety pole up and down respectively; Described up and down safety pole offsets with the lock pin up and down that is movably combined in the lock shell respectively, and the described other end of lock pin up and down can plug together respectively on lock in the low groove, and described lock is movably combined in the lock shell; Also be fixed with on the described up and down lock pin can be unblanked the blade extruding with outward winding safety pole up and down and up and down lock pin be pulled away from the pressure-bearing extensible member of lock groove, also be provided with back-moving spring between described pressure-bearing extensible member and the lock shell.

Described pressure-bearing extensible member is flute profile; The right vertical edge of this pressure-bearing extensible member is fixed on up and down on the lock pin; The inside wall of the left vertical edge of this pressure-bearing extensible member is a pressure-bearing surface, and the left vertical edge of this pressure-bearing extensible member also is equipped with spring base, in the described lock shell guider screw is installed; One end of described back-moving spring is set on the guider screw, and the other end of described back-moving spring is set in the spring base.

Described key comprises main body and afterbody; Described main body comprises first surface, second surface, first side and second side; The cross section of the main body of described key is a waveform, and this cross section is made up of three arc wave bands, and first side of described main body is provided with first key bit; The arc top of the first surface of described main body is provided with second key bit, and the arc top near first key bit on the second surface of described main body is provided with the 3rd key bit.

Described tapered end comprises lock body, be provided with the lock core of keyhole and respectively with the main body of said key on the pellet shot from a slingshot assembly that is complementary of first key bit, second key bit and the 3rd key bit; Described lock body is fixedly mounted in the lock shell; Described lock core rotation fit and axial limiting are in lock body; The shape of cross section of the main body of the shape of cross section of keyhole and said key is complementary on the said lock core, and described pellet shot from a slingshot assembly is three row.

The described blade of unblanking is fixedly connected with tapered end and is meant, the described blade of unblanking is fixedly connected with the lower end of lock core.

At the bottom of two arcs on the first surface of the main body of described key with second surface on arc at the bottom of on same straight line.

Described every row pellet shot from a slingshot assembly is made up of seven groups of pellet shot from a slingshot groups, and described every group of pellet shot from a slingshot group is made up of a spring, a locking pellet shot from a slingshot and a movable pellet shot from a slingshot respectively.

After adopting above structure; The present invention compared with prior art has the following advantages: have the device that undoes the lock of safety pole up and down, this apparatus structure compactness that undoes the lock because cylinder lock of the present invention has been used; Differ widely with the device that undoes the lock of prior art; Do not having under the situation of key, stealer can't be stolen the technical opening device that undoes the lock with existing, thereby has effectively improved the security performance of cylinder lock of the present invention.

As preferred version; Described key comprises main body and afterbody, and described main body comprises first surface, second surface, first side and second side, and the cross section of the main body of described key is a waveform; This cross section is made up of three arc wave bands; And first side of described main body is provided with first key bit, and the arc top of the first surface of described main body is provided with second key bit, and the arc top near first key bit on the second surface of described main body is provided with the 3rd key bit; The asymmetric distribution of the irregular structure of key and key bit makes that key is difficult to copy like this, and theftproof performance increases.

As preferred version, described tapered end comprises lock body, be provided with the lock core of keyhole and respectively with the main body of said key on the pellet shot from a slingshot assembly that is complementary of first key bit, second key bit and the 3rd key bit, described lock body is fixedly mounted in the lock shell; Described lock core rotation fit and axial limiting are in lock body; The shape of cross section of the main body of the shape of cross section of keyhole and said key is complementary on the said lock core, and described pellet shot from a slingshot assembly is three row, and the shape of cross section of the main body of the shape of cross section of the keyhole on the lock core and key is complementary on the one hand; Make keyhole and key that very high fitness arranged; Not only easy to use, and theftproof performance is high, and the pellet shot from a slingshot assembly in the tapered end has three row on the other hand; Arrange rationally; Make key have more size of key, the theftproof performance of final tapered end increases substantially, and the mutual opening rate of key reduces greatly.

As improvement; At the bottom of two arcs on the first surface of the main body of described key with second surface on arc at the bottom of on same straight line; The main body that can guarantee key has reliable intensity, also makes straight thin slice can not insert in the keyhole, and the theftproof performance of tapered end is better.

As further improvement; Described every row pellet shot from a slingshot assembly is made up of seven groups of pellet shot from a slingshot groups; Described every group of pellet shot from a slingshot group is made up of a spring, a locking pellet shot from a slingshot and a movable pellet shot from a slingshot respectively, can guarantee that key has enough size of keys, makes that the mutual opening rate of key is lower.

Description of drawings:

Fig. 1 is the sectional structure sketch map of cylinder lock of the present invention.

Fig. 2 is the sectional structure sketch map along A-A line among Fig. 1.

Fig. 3 be tapered end as shown in fig. 1 overlook the structure for amplifying sketch map.

Fig. 4 be key as shown in fig. 1 look up the structure for amplifying sketch map.

Fig. 5 is the structure for amplifying sketch map of key as shown in fig. 1.

Shown in the figure: 1, key, 10, main body, 101, first surface, 1011, second key bit is at the bottom of 1012, first arc, at the bottom of 1013, second arc; 102, second surface, the 1021, the 3rd key bit, at the bottom of the 1022, the 3rd arc, 103, first side, 1031, first key bit, 104, second side; 2, lock shell, 3, the blade of unblanking, 4, lock, 5, safety pole up and down, 6, lock pin up and down, 7, the pressure-bearing extensible member; 8, back-moving spring, 9, spring base, 10, guider screw, 11, lock body, 12, lock core, 12.1, keyhole; 13, spring, 14, the locking pellet shot from a slingshot, 15, movable pellet shot from a slingshot, 16, steady pin, 17, jump ring, 18, guide peg.

The specific embodiment:

Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further.

As shown in Figure 1, cylinder lock of the present invention, it comprises key 1, lock shell 2, tapered end and the device that undoes the lock.

Like Fig. 4 and shown in Figure 5, the key 1 of cylinder lock of the present invention comprises main body 10 and afterbody 20, and described main body 10 comprises first surface 101, second surface 102, first side 103 and second side 104.The cross section of the main body 10 of described key 1 is a waveform, and this cross section is made up of three arc wave bands.Wherein have on the first surface 101 at the bottom of arc top and two arcs, and corresponding, have two arcs to push up on the second surface 102 and arc at the bottom of.Part as the main body 10 of key 1; First side 103 of described main body 10 is provided with first key bit 1031; The arc top of the first surface 101 of described main body 10 is provided with second key bit 1011, and the arc top near first key bit 1031 on the second surface 102 of described main body 10 is provided with the 3rd key bit 1021.Described first key bit 1031, second key bit 1011 and three key bits 1021 all distribute along the length direction of main body 10.

As a kind of improved embodiment, (promptly at the bottom of the 3rd arc 1022) is on same straight line at the bottom of the arc at the bottom of two arcs on the first surface 101 of the main body 10 of described key 1 on (promptly at the bottom of first arc at the bottom of 1012 and second arc 1013) and the second surface 102.

Extremely shown in Figure 3 like Fig. 1, the tapered end of cylinder lock of the present invention, this tapered end and above-mentioned key 1 are complementary.This tapered end comprises lock body 11, be provided with the lock core 12 of keyhole 121 and respectively with the main body 10 of above-mentioned key 1 on the pellet shot from a slingshot assembly that is complementary of first key bit 1031, second key bit 1011 and the 3rd key bit 1021.Described lock body 11 is fixedly mounted in the lock shell 2 through steady pin 16.Described lock core 12 rotatable being linked in the lock body 11, the lower end edge circumferencial direction of this lock core 12 is provided with the jump ring groove, this jump ring groove is built-in with

jump ring

17,12 of described lock cores by jump ring 17 axial limitings in lock body 11.The shape of cross section of the main body 10 of the shape of cross section of keyhole 121 and above-mentioned key 1 is complementary on the described lock core 12.The pellet shot from a slingshot assembly that is located in addition in the tapered end is three row.Obviously, described three row pellet shot from a slingshot assemblies respectively with the main body 10 of key 1 on first key bit 1031, second key bit 1011 and the 3rd key bit 1021 corresponding one by one.

As a kind of improved embodiment, described every row pellet shot from a slingshot assembly is formed by seven groups of pellet shot from a slingshot groups, and described every group of pellet shot from a slingshot group is made up of a spring 13, a locking pellet shot from a slingshot 14 and a movable pellet shot from a slingshot 15 respectively.Have in the tapered end like this and form three row pellet shot from a slingshot assemblies, can know that according to general knowledge the teeth of each key bit that the length direction of the main body 10 upper edge main bodys 10 of key 1 distributes also just are respectively 7 by 21 groups of pellet shot from a slingshot groups.

As routine techniques, in lock body 11, also be provided with guide peg 18, the sidewall of lock core 12 is provided with the gathering sill (not shown), through the match rotational angle of incompatible control lock core 12 of guide peg 18 and gathering sill, avoids lock core 12 unnecessary rotating distance to occur.

As depicted in figs. 1 and 2; The device that undoes the lock of cylinder lock of the present invention; The structure of this device that undoes the lock is following: the blade 3 of unblanking of the described device that undoes the lock is fixedly connected with above-mentioned tapered end, is meant that in fact the lower end of lock core 12 of upper end and the above-mentioned tapered end of the blade 3 of unblanking welds together.The two ends of the described blade 3 of unblanking are fixed with safety pole 5 up and down respectively; The described safety pole 5 up and down that fixedly is meant of wherein said safety pole 5 up and down is provided with annular groove; And the two ends of the blade 3 of unblanking just are connected in the annular groove of safety pole 5 up and down, thereby realize that safety pole 5 up and down is fixed on the two ends of the blade 3 of unblanking.Described safety pole 5 up and down offsets with the lock pin up and down 6 that is movably combined in the lock shell 2 respectively.The other end of described up and down lock pin 6 can plug together respectively on lock 4 in the low groove, and described lock 4 is movably combined in the lock shell 2.Certainly when locking-in state, the other end of lock pin 6 then plugs together respectively on lock 4 in the low groove up and down, and when opening, the other end of lock pin 6 then breaks away from the last low groove of lock 4 up and down.Also be fixed with on the described up and down lock pin 6 can be unblanked blade 3 extruding with outward winding safety pole 5 up and down and up and down lock pin 6 be pulled away from the pressure-bearing extensible member 7 of lock 4 grooves.Described pressure-bearing extensible member 7 is fixed on up and down and is meant on the lock pin 6, and described lock pin 6 up and down is provided with annular groove, and described pressure-bearing extensible member 7 then is connected in this annular groove, thereby realizes fixing.Also be provided with back-moving spring 8 between described pressure-bearing extensible member 7 and the lock shell 2.

As shown in Figure 2, described pressure-bearing extensible member 7 is flute profile, this pressure-bearing extensible member 7 be two parallel vertical limits and with this two vertical edge be 90 the degree connect as one another side constituted.The right vertical edge of this pressure-bearing extensible member 7 (this orientation refers to orientation as shown in Figure 2) is fixed on up and down on the lock pin 6.The inside wall of the left vertical edge of this pressure-bearing extensible member 7 (this orientation refers to orientation as shown in Figure 2) is a pressure-bearing surface.The left vertical edge of this pressure-bearing extensible member 7 (this orientation refers to orientation as shown in Figure 2) also is equipped with spring base 9; In the described lock shell 2 guider screw 10 is installed; One end of described back-moving spring 8 is set on the guider screw 10, and the other end of described back-moving spring 8 is set in the spring base 9.

Key 1 of the present invention is identical with the open theory and the prior art of tapered end, so not at this detailed description.

During locking, after lock 4 pressed,, thereby lock 4 is pinned because the effect of back-moving spring 8 makes up and down the end of lock pin 6 plug together on lock 4 in the low groove.After treating that cylinder lock is locked, under the situation that does not have key 1, some stealers just can't make the device that undoes the lock be unlocked, thereby have effectively ensured the safety of cylinder lock of the present invention.

In the time of need unblanking, key 1 is inserted in the keyhole 121 and clockwise rotates key 1, key 1 drives lock core 11 rotations, and lock core 11 also drives the blade 10 of unblanking and rotates simultaneously.The blade 10 extruding pressure-bearing extensible members 7 of unblanking of rotation, safety pole 5 is outwarded winding about making, and while pressure-bearing extensible member 7 lock pin 6 up and down is pulled away from lock 4 grooves, thereby lock 4 is opened.

Adopt the security performance of cylinder lock of above structure higher, do not having under the situation of key, some stealers can't be opened this cylinder lock.

In the above-described embodiments, preferred forms of the present invention is described, obviously, under inventive concept of the present invention, still can be made a lot of variations, like the variation of the group number of pellet shot from a slingshot group.Should explain that any change of under inventive concept of the present invention, being made all will fall in protection scope of the present invention.

Claims

1. cylinder lock; It comprises key (1), lock shell (2), tapered end and the device that undoes the lock; Described tapered end is fixedly installed in the lock shell (2); The described device that undoes the lock is fixedly connected with tapered end, and it is characterized in that: the structure of the described device that undoes the lock is following, and the blade of unblanking (3) of the described device that undoes the lock is fixedly connected with tapered end; The two ends of the described blade of unblanking (3) are fixed with safety pole (5) up and down respectively; Described safety pole (5) up and down offsets with the lock pin up and down (6) that is movably combined in the lock shell (2) respectively, and the described other end of lock pin (6) up and down can plug together respectively in the last low groove of lock (4), and described lock (4) is movably combined in the lock shell (2); Also be fixed with on the described up and down lock pin (6) can by the blade of unblanking (3) extruding with outward winding safety pole (5) up and down and up and down lock pin (6) be pulled away from the pressure-bearing extensible member (7) of lock (4) groove, described pressure-bearing extensible member (7) also is provided with back-moving spring (8) with locking between the shell (2).

2. cylinder lock according to claim 1; It is characterized in that: described pressure-bearing extensible member (7) is flute profile; The right vertical edge of this pressure-bearing extensible member (7) is fixed on up and down on the lock pin (6); The inside wall of the left vertical edge of this pressure-bearing extensible member (7) is a pressure-bearing surface, and the left vertical edge of this pressure-bearing extensible member (7) also is equipped with spring base (9), and guider screw (10) is installed in the described lock shell (2); One end of described back-moving spring (8) is set on the guider screw (10), and the other end of described back-moving spring (8) is set in the spring base (9).

3. cylinder lock according to claim 1; It is characterized in that: described key (1) comprises main body (10) and afterbody (20); Described main body (10) comprises first surface (101), second surface (102), first side (103) and second side (104); The cross section of the main body (10) of described key (1) is a waveform; This cross section is made up of three arc wave bands; And first side (103) of described main body (10) is provided with first key bit (1031), and the arc top of the first surface (101) of described main body (10) is provided with second key bit (1011), and the arc top that the second surface (102) of described main body (10) is gone up near first key bit (1031) is provided with the 3rd key bit (1021).

4. cylinder lock according to claim 3; It is characterized in that: described tapered end comprises lock body (11), be provided with the lock core (12) of keyhole (121) and respectively with the main body (10) of said key (1) on the pellet shot from a slingshot assembly that is complementary of first key bit (1031), second key bit (1011) and the 3rd key bit (1021); Described lock body (11) is fixedly mounted in the lock shell (2); Described lock core (12) rotation fit and axial limiting are in lock body (11); The shape of cross section of the shape of cross section of the last keyhole (121) of said lock core (12) and the main body (10) of said key (1) is complementary, and described pellet shot from a slingshot assembly is three row.

5. cylinder lock according to claim 4 is characterized in that: the described blade of unblanking (3) is fixedly connected with tapered end and is meant, the described blade of unblanking (3) is fixedly connected with the lower end of lock core (12).

6. cylinder lock according to claim 3 is characterized in that: at the bottom of two arcs on the first surface (101) of the main body (10) of described key (1) with second surface (102) on arc at the bottom of on same straight line.

7. cylinder lock according to claim 4 is characterized in that: described every row pellet shot from a slingshot assembly is made up of seven groups of pellet shot from a slingshot groups, and described every group of pellet shot from a slingshot group is made up of a spring (13), locking pellet shot from a slingshot (14) and a movable pellet shot from a slingshot (15) respectively.