CN2751115Y - Dual lock device - Google Patents
Dual lock device Download PDFInfo
- Publication number
- CN2751115Y CN2751115Y CN 200420110023 CN200420110023U CN2751115Y CN 2751115 Y CN2751115 Y CN 2751115Y CN 200420110023 CN200420110023 CN 200420110023 CN 200420110023 U CN200420110023 U CN 200420110023U CN 2751115 Y CN2751115 Y CN 2751115Y
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- CN
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- Prior art keywords
- lock
- cam
- auxiliary
- lock device
- double
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- Expired - Fee Related
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Abstract
The utility model relates to a dual lock device and comprises a shell body, wherein a main lock is accommodated in the shell body and is provided with a lock body and a locking component. The locking component can move rightwards and leftwards to lock and unlock. The dual lock device also comprises an auxiliary lock which is accommodated in the shell body and is provided with a lock body, a restraint component acting on the locking component, and a driving mechanism acting on the restraint component, wherein the restraint component comprises a first cam and a second cam arranged on opposite positions, the first cam is provided with a first notch part, the second cam is provided with a second notch part capable of being overlapped with the first notch part and the driving mechanism drives the first cam. The main lock can not be unlocked after the auxiliary lock is unlocked if the main lock can not be unlocked in the given shorter time. Therefore, the dual lock device can efficiently prevent illicit unlocking.
Description
Technical field
The utility model relates to a kind of double lock device that has main lock and auxiliary lock,
Background technology
In the past, known drum type brake can the lock as an example that adds latch mechanism.The inner core and the urceolus of drum type brake lock connect, and have screwdriver formula pin and dial type pin etc., are locked by the rotation of key or unblank.
But, in recent years, utilize the wrongful incident of unblanking of special tool(s) constantly to increase.For preventing improper release, taked various countermeasures, two-bolt lock is exactly wherein a kind of.
Yet former two-bolt lock just increases the quantity of single lock, as long as spend the some time just can open each lock respectively.Therefore, the not talkative effect of having played completely, fully having prevented.
The utility model content
The utility model is exactly in order to solve the above problems.The purpose of this utility model is to provide a kind of double lock device with main lock and auxiliary lock, to prevent wrongful release effectively.
For achieving the above object, double lock device of the present utility model comprises: a housing; One is contained in the main lock in the housing, and main lockset has lock body and last lock construction element, but last lock construction element move left and right is to carry out lock and unlock; One is contained in the auxiliary lock in the housing, auxiliary lock has lock body, act on the limiting member of lock construction element and act on the driving mechanism of limiting member, limiting member comprises first cam and second cam that is arranged on the relative position, first cam has first notch part, second cam have can with equitant second notch part of first notch part, drive mechanism first cam.
Owing to be provided with driving mechanism, it can drive limiting member and will go up lock construction element and move to the predetermined restricted position in the stipulated time after the auxiliary lock release.Therefore, after the auxiliary lock release, if main lock can not be opened in fixing time, just can not untie the master and lock.For example, be several seconds to 10 seconds if set locking time, after the auxiliary lock release, as can not untie main lock between several seconds to 10 seconds, main lock can not be opened so.Owing to carry out wrongful release at short notice is very difficult, therefore just can prevent wrongful release effectively.
Described main lock and auxiliary lock can be all the drum type brake lock.Limiting member can comprise first and second cams.In the case, first cam drives rotation by driving mechanism to first direction, and has first notch part that lock construction element one end is gone up in admittance.Second cam is provided with at first cam and corresponding position, and first cam is rotated to second direction, and has second notch part that lock construction element one end is gone up in admittance.
Key is inserted auxiliary lock rotate and just can open auxiliary lock, second cam is driven and rotates to second direction, first cam is also along with second cam rotates to second direction.And when auxiliary lock was extracted, driving mechanism made first cam rotate to first direction at a key.Passing through behind the fixed setting-up time, the angle that the revolution of first cam is certain, arrival can limit the angle position that lock construction element moves.At this moment, as long as suitable adjusting is carried out in the position that described first and second notch parts are formed, for example with first cam under the state that first direction begins to rotate, first and second notch parts can occur overlapping.One end of last lock construction element is inserted overlapping, can untie main lock.When first cam during to the angle of first direction twist-lock, because described overlapping minimizing, at least one side of first and second cams will limit moving of lock construction element, lock so can not open to lead.Therefore, after auxiliary lock opened, have only since first cam to moment that first direction rotates up to its go to decide in this angular range of angle, just can open lock, can prevent wrongful release effectively.
Described driving mechanism contains spring (mechanical type) driving mechanism, and first cam has first pin that lock construction element moves on process is fixed time the back restriction.Second cam has with first cam meshing second pin that closes, drives the rotation of first cam when the auxiliary lock release.First cam preferably has second pin of permission to the 3rd notch part that moves to first direction.
Key is inserted the auxiliary lock rotation, when opening auxiliary lock, make first cam reach institute's allocation to the second direction rotation.At this moment, because of the second above-mentioned pin is arranged, when untiing auxiliary lock, only need the rotation of second cam can be rotated first cam to second direction.In the time of key will being extracted in keyhole, extract from keyhole after it is temporarily set back, because of the 3rd notch part is arranged, first cam can make second pin move to second direction again.That is to say, after making first cam reach institute's allocation, second cam is rotated to second direction, thereby present the lap of the first and second above-mentioned notch parts.And, when a key is extracted in the keyhole of auxiliary lock, driving mechanism makes first cam rotate to first direction from institute's allocation, at this moment, because driving mechanism adopts the spring driving mechanism, as long as a key is extracted from auxiliary lock one, first cam promptly automatically rotates to first direction, does not need power supply.Then, the spring driving mechanism will drive first cam, and because of first cam has first pin, this first pin moves to deciding angle position after fixing time through institute, and therefore first pin can limit moving of lock construction element.
Description of drawings
Fig. 1 is the rear elevation of double lock device of the present utility model;
Fig. 2 is the sectional view of double lock device of the present utility model;
Fig. 3 is the front elevation drawing of double lock device of the present utility model;
Fig. 4 shows the state of timer side cam, cylinder lock side cam and the lockplate of double lock device of the present utility model when locking.
Fig. 5 shows the state that inserts timer side cam, cylinder lock side cam and lockplate after auxiliary lock reverse rotation 90 is spent from the represented state of Fig. 4, to a key.
Fig. 6 shows from the represented state of Fig. 5, inserts the state that auxiliary lock revolves timer side cam, cylinder lock side cam and lockplate after turning 90 degrees to a key.
Fig. 7 shows and under the state shown in Figure 6 the state that main lock revolves timer side cam, cylinder lock side cam and lockplate when turning 90 degrees is being extracted, inserted to key from auxiliary lock.
What Fig. 8 showed timer side cam separates locking angle α 1 and last locking angle θ 1.
What Fig. 9 showed cylinder lock side cam separates locking angle α 2 and last locking angle θ 2.
The specific embodiment
In following description and accompanying drawing, label 1 is a double lock device, the 2nd, and main lock, the 3rd, auxiliary lock, the 4th, housing, the 5th, lockplate, the 6, the 7th, knob, the 8th, the spring timer, the 9th, timer side cam, 9a are first notch parts, 9b is the 3rd notch part, the 10th, and cylinder lock side cam, 10a are second notch parts, the 11st, auxiliary lock cylinder, the 12nd, main lock cylinder, the 13,14, the 15th, pin, 16, the 17th, keyhole, the 18th, spring, the 19th, plate.
Below by Fig. 1-Fig. 9 embodiment of the present utility model is described.Fig. 1 is the rear elevation according to the double lock device 1 of an embodiment of the present utility model, and Fig. 2 is the sectional view of double lock device 1, and Fig. 3 is the front elevation drawing of double lock device 1.
Fig. 1-double lock device shown in Figure 3 is used on the apartment door.Figure shown in Figure 1 can see that from the indoor figure shown in Figure 3 can see from the outside.
As shown in Figure 1, wherein show double lock device 1 with main lock 2, auxiliary lock 3 and housing 4.Lock when main lock 2 is actual locking, it has lockplate (going up lock construction element) 5.So the knob 6 by the operating room inboard or key inserted the private key keyhole rotation of outside just can make lockplate 5 move left and right and the housing of coming in and going out, carry out release and lock.
Fig. 2 represents the enforcement state of present embodiment, and main lock 2 and auxiliary lock 3 are all the drum type brake lock, and main lock 2 has main lock cylinder 12, and auxiliary lock 3 has auxiliary lock cylinder 11.Main lock 2 and auxiliary lock 3 also can adopt other known lock body, and wherein indoor structure such as knob neither be necessary.
In addition, main lock 2 also has pin 13, spring 18 and the plate 19 that is used for connecting knob 6 and lockplate 5, but the structure that these members can other common lock replaces.Auxiliary lock 3 also has spring (mechanical type) timer 8 (this is a driving mechanism with timer function), timer side cam (first cam) 9 and cylinder lock side cam (second cam) 10.Wherein spring timer 8 also can replace with other driving mechanism, for example electronic type driving mechanism, hydraulic pressure or vapour-pressure type driving mechanism etc.
Because be provided with such spring timer 8, after the release of auxiliary lock 3, but driving timing device side cam 9, a part that makes timer side cam 9 moves to possible position locking 5 through fix time back restriction splice.
So, after opening auxiliary lock 3, if if can not open main lock 2 in fixed time, just can't open main lock 2.For example set several seconds～time about 10 seconds, after auxiliary lock is opened, in several seconds as the main lock 2 of not opening, just can not opens and mainly lock 2.
Can imagine to obtain that it is very difficult will carrying out wrongful release in the short like this time.Therefore, can prevent wrongful release effectively.And, because what adopt is spring (mechanical type) timer 8, so without power supply, simple structure and can reduce cost.
As shown in Figure 3, the periphery of timer side cam 9 has first notch part (recess) 9a and the 3rd notch part (recess) 9b, and spring timer 8 makes this cam 9 to right rotation (first direction).As mentioned below, the 3rd notch part 9b here plays the effect that guiding pin 14 moves, but is not indispensable structure.One end of lockplate 5 may be received in the first notch part 9a.In addition, timer side cam 9 has the pin 15 that moves through fix time back restriction lockplate 5.
Cylinder lock side cam 10 when opening auxiliary lock 3 with timer side cam 9 left (second direction) rotate, and have second notch part (recess) 10a that admits lockplate one end.
The pin 14 of cylinder side cam 10 if can be received within the 3rd breach 9b, as shown in Figure 3, can turn right along the periphery of timer side cam 9.In addition, pin 14 be positioned at the first, the 3rd notch part 9a, the timer side cam 9 between the 9b is meshed, and by pin 14 is turned left, timer side cam 9 is turned left under state shown in Figure 3.
As shown in Figure 3, the inside at main lock cylinder 12 and auxiliary lock cylinder 11 is respectively arranged with keyhole 16,17.As long as key is inserted keyhole 16,17, key just can be opened main lock 2 and auxiliary lock 3 again.
When opening the double lock device 1 of the present utility model that has as above structure, after opening auxiliary lock 3, must open main lock 2 in fixing time, but when lock double lock device 1, only need the main lock 2 of locking to get final product.
Below describe in detail about the release of double lock device of the present utility model and the process of locking by Fig. 4-Fig. 7.
Key is inserted main 2 the keyhole 16 of locking, the direction rotation of Xiang Suoding, removable lockplate 5, the main lock 2 of locking.At this moment, because of having moved lockplate 5, timer side cam 9 will automatically turn right as shown in Figure 4.Like this, pin 15 just moves to the position that restriction lockplate 5 moves, i.e. locking state as shown in Figure 4.That is to say that in the main lock 2 of locking, auxiliary lock also will enter locking state automatically.
When carrying out indoor locking, the knob 6 of leading lock 2 is turn 90 degrees left as shown in Figure 1, like this, lockplate 5 will move, and will lead lock 2 lockings.Meanwhile auxiliary lock 3 also enters locking state as mentioned above automatically.
In the time will opening the double lock device 1 of locking state, at first, key is injected the keyhole 17 of auxiliary lock 3, does 90 degree rotations to the right.Like this, auxiliary lock 3 just is opened, and more as shown in Figure 5, cylinder lock side cam 10 can be turned left.Because pin 14 and timer side cam 9 are meshed, timer side cam 9 also will turn left.That is to say that because the rotation of cylinder lock side cam 10, timer side cam 9 also can be turned left.During this period, cylinder lock side cam 10 restriction lockplates 5 moves.
Then, the key with auxiliary lock 3 turn 90 degrees left.Like this, as shown in Figure 6, have only cylinder lock side cam 10 to turn right.This be because: the periphery at timer side cam 9 is provided with the 3rd notch part, pin 14 can turn right along the periphery of the 3rd breach 9b and pin 14 is not meshed with timer side cam 9.
In auxiliary lock 3, turn left 90 when spending when key, its keyhole 17 from auxiliary lock 3 can be extracted.At this moment, owing to be provided with the first notch part 9a at timer side cam 9 places, 10 places are provided with the second notch part 10a at cylinder lock side cam, therefore, after as shown in Figure 6 cylinder lock side cam 10 being turned left, the first and second notch part 9a, 10a are set at lap.Make a termination of lockplate 5 be contained in this lap, main lock 2 can be opened.
In that spring timer 8 can starting when the keyhole 17 of auxiliary lock 3 is extracted with key under the state of Fig. 6, in the case, as shown in Figure 7, timer side cam 9 will be by to right rotation.
Through after the time that sets, timer side cam 9 can be to the angle rotation of setting, and can limit the angle position that lockplate 5 moves but need time (time can be set arbitrarily) of about several seconds to 10 seconds to arrive.In setting-up time, main lock 2 is opened, just as shown in Figure 7, promptly removable lockplate 5.
But if do not open main lock 2 in setting-up time, the pin 15 of timer side cam 9 just arrives and can limit the angle position that lockplate 5 moves, and lockplate 5 just can not move.That is to say, can not open main lock 2.
Therefore, after auxiliary lock 3 was opened, the keyhole 16 that needs in seconds key to be inserted main lock 2 rotated, and lockplate 5 is moved.Common unlock operation will be led lock 2 and auxiliary lock 3 within several seconds to open be part thing easily, but under abnormal situation of unblanking, and will lead lock 2 in several seconds and open opening auxiliary lock 3 backs, can imagine to be unusual difficulty.So just can prevent wrongful unblanking effectively.
Also have, when indoor unblanking, as shown in Figure 1 the knob 7 of auxiliary lock 3 is spent to right rotation 90, the knob 6 that will lead lock 2 then gets final product to right rotation 90 degree.This operation also only needs can easily accomplish about several seconds.
Next, the last locking angle (angle that may lock) of double lock device 1 of the present utility model is described with Fig. 8 and Fig. 9.
As shown in Figure 8, angle that lockplate 5 moves can not be limited to pin 15 as separating locking angle α 1, angle that lockplate 5 moves can be limited to pin 15 as last locking angle θ 1.
In addition, as shown in Figure 9, angle that lockplate 5 moves can not be limited to cylinder side cam 10 as separating locking angle α 2, angle that lockplate 5 moves can be limited to cylinder side cam 10 as last locking angle θ 2.
At this moment, last locking angle θ 1 is greater than separating locking angle α 2.Therefore, even return at leisure can not release for lockplate 5.
Above-mentioned double lock device 1 is used to the door lock in apartment etc. more, but design of the present utility model also can be used in it the place beyond shutting.In addition, main lock 2 and auxiliary lock 3 can so just can make when preventing improper unblanking and unblank normally also can carry out at an easy rate with same key.
More than, relevant embodiment of the present utility model is illustrated, but the utility model is not limited to the above embodiments.Scope of the present utility model is defined by the claims, and should comprise the limited range of claims and be equal to the interior whole variations of meaning scope.
Claims (9)
1. double lock device comprises:
One housing;
One is contained in the main lock in the described housing, and described main lockset has lock body and last lock construction element, but the described lock construction element move left and right that goes up is to carry out lock and unlock;
One is contained in the auxiliary lock in the described housing, described auxiliary lock has lock body, acts on the described driving mechanism of going up the limiting member of lock construction element and acting on described limiting member, described limiting member comprises first cam and second cam that is arranged on the relative position, described first cam has first notch part, described second cam have can with equitant second notch part of described first notch part, described first cam of described drive mechanism.
2. double lock device as claimed in claim 1 is characterized in that, described main lock and described auxiliary lock all are the drum type brake locks,
3. double lock device as claimed in claim 1 is characterized in that, described driving mechanism is a mechanical drive mechanism.
4. double lock device as claimed in claim 3 is characterized in that described mechanical drive mechanism comprises the spring timer.
5. double lock device as claimed in claim 1 is characterized in that, described first cam has one and matches to limit described first pin that lock construction element moves of going up with the described lock construction element of going up.
6. double lock device as claimed in claim 1 is characterized in that, described second cam has one and closes to drive second pin of described first cam with described first cam meshing.
7. double lock device as claimed in claim 6 is characterized in that, described first cam also has the 3rd notch part that described second pin of a guiding moves.
8. double lock device as claimed in claim 1 is characterized in that, comprises that also one can be simultaneously for the described key of leading lock and the use of described auxiliary lock.
9. double lock device as claimed in claim 1 is characterized in that, described main lock and described auxiliary lock also comprise be positioned at the indoor, with described on the knob that matches of lock construction element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420110023 CN2751115Y (en) | 2004-11-19 | 2004-11-19 | Dual lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420110023 CN2751115Y (en) | 2004-11-19 | 2004-11-19 | Dual lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2751115Y true CN2751115Y (en) | 2006-01-11 |
Family
ID=35932292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420110023 Expired - Fee Related CN2751115Y (en) | 2004-11-19 | 2004-11-19 | Dual lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2751115Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049713A (en) * | 2017-11-22 | 2018-05-18 | 安徽理工大学 | A kind of automatic time delay multistage anti-lock device |
-
2004
- 2004-11-19 CN CN 200420110023 patent/CN2751115Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049713A (en) * | 2017-11-22 | 2018-05-18 | 安徽理工大学 | A kind of automatic time delay multistage anti-lock device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060111 Termination date: 20101119 |