CN101225726B

CN101225726B - Padlock

Info

Publication number: CN101225726B
Application number: CN2008100596122A
Authority: CN
Inventors: 蔡立明
Original assignee: Ningbo Yutai Hardware Co ltd
Current assignee: Ningbo Yutai Lock Industry Co., Ltd.
Priority date: 2008-01-29
Filing date: 2008-01-29
Publication date: 2010-09-15
Anticipated expiration: 2028-01-29
Also published as: CN101225726A

Abstract

The invention discloses a padlock, which comprises a lock shell with first lockhole and second lockhole and a lock bar with a long rod and a short bar; wherein, the rotatable long rod is limited inside the first lockhole; an opening is arranged on the left side of the upper part of the lock shell; a bolt which can move side to side relatively to the opening is limited inside the opening; a stop groove the right side of which is penetrated is arranged on the upper part of the bolt; as the upper part of the bolt moves into the opening, the stop groove is matched with the right inner wall of the opening and a bar hole which can limit the short bar forwards and backwards is formed; a key lock apparatus which can lock the bolt or unlock the bolt by key to open the lock is arranged inside the second lockhole; as locked, the bolt is moved rightwards, the terminal of the short bar on the lock bar is limited inside the bar hole which is formed by the match of stop groove and right inner wall of opening; as unlocked, the key is rotated, the bolt is moved leftwards, a gap is generated between the limit part and right inner wall of opening, long rod is rotated, and the short bar can escape from the bar hole forwards and backwards.

Description

A kind of padlock

Technical field

The present invention relates to a kind of lock, relate in particular to a kind of padlock.

Background technology

Existing padlock generally comprises the lock housing with first lockhole and second lockhole, and the locking bar that has stock and quarter butt and take the shape of the letter U, wherein stock is spacing rotationally in first lockhole, and can move up and down by relative first lockhole, the first lockhole inner bottom part is provided with a spring that upwards holds stock, be provided with in second lockhole quarter butt to be locked in it or and remove the key lock apparatus that locking is unblanked to quarter butt by key, locking bar presses down and quarter butt is vertically entered locked by key lock apparatus in second lockhole, key lock is by after the key release, spring promotes to move on the locking bar, and this moment, quarter butt broke away from second lockhole releasing locking.

As a patent No. is a kind ofly the Chinese utility model patent " cipher hang lock " of ZL200520102057.9 (notification number is CN2804305Y) has disclosed to collect the padlock that coded lock and key lock in one, it comprises a lock body and a locking bar, this locking bar roughly is the U type, it includes a quarter butt and a stock, quarter butt is located on the position corresponding to the first bar hole of lock body one side, and is provided with this quarter butt to be locked or remove with a key in the first bar hole of lock body this quarter butt is locked key lock apparatus to unblank; But the stock padlock is gone into lock body in addition in the second bar hole of side, and is provided with in the second bar hole of lock body by pulling out and changes digit wheel with the stock snap close or the coded lock device of triping.

As a patent No. is a kind of antirust lockset the Chinese utility model patent " antirust lockset " of ZL200620003859.9 (notification number is CN2881015Y) has disclosed, its include have one first lockhole, a lock body of one second lockhole, a core and have a pivot end and a U-shape lock bar of a movable end, this movable end can press down locking or upwards remove locking by this second lockhole, it is characterized in that: this lock body also comprises a lock shaft, and this pivot end passes through this first lockhole and is connected with in this lock shaft; This core has a locking position that just can deduct this lock shaft and limit the scope of activities of this movable end when this lock shaft of the stressed interlock of this pivot end moves down; And a deduction state of removing with this lock shaft, and make the free movable unlocked position of the relative lock body of this movable end.

Above-mentioned two pad lock structures that patent relates to, it is the same at the course of action that quarter butt (also being movable end) is locked in second lockhole, all locking is pressed down quarter butt vertically to be entered in second lockhole locked by key lock apparatus.This lock mode inconvenient operation, need during operation padlock is rotated an angle, locking bar is aimed at the door body, firmly push lock housing again, perhaps withstand the bottom of lock housing with the palmrest of palm, press down the locking bar upper end with finger again, the span between finger and the palmrest is bigger like this, bad exerting oneself is so locking is inconvenient.

Though as in above-mentioned first patent key lock and coded lock being combined, but the process of coded lock and key lock the locking and unlocking is essentially identical, all realize, have the defective of inconvenient operation, have the structure of its key lock relatively complicated again by moving up and down of locking bar.

Summary of the invention

Technical problem to be solved by this invention is the padlock that a kind of novel structure is provided at above-mentioned prior art present situation, and this padlock realizes by rotating rod lock in the locking and unlocking process, and it has locking and unlocking operation advantage easily.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of padlock comprises the lock housing with first lockhole and second lockhole and has stock and the locking bar of quarter butt that wherein stock is spacing rotationally in first lockhole; It is characterized in that: described lock housing upper left-hand has breach, spacing in the described breach have a dead bolt of breach move left and right relatively, the top of dead bolt has the stopper slot that the right side is run through, under dead bolt top moves to state in the breach, described stopper slot cooperates formation to carry out spacing bar hole, front and back to quarter butt with the right inwall of breach, is provided with in described second lockhole to remove the key lock apparatus that locking is unblanked to dead bolt with the dead bolt locking or by key.

The bottom surface of above-mentioned breach has the storage tank that runs through the lock housing left side wall, the storage tank bottom surface has the hole that communicates with second lockhole, the bottom of described dead bolt is spacing also can be along the storage tank move left and right in storage tank, the top of dead bolt is the limiting section that matches with breach then, and described stopper slot is arranged on the limiting section upper surface and runs through the limiting section right side.This can make the padlock monnolithic case more attractive in appearance the mode that dead bolt is arranged in the breach, also can adopt other similar structures certainly.

Above-mentioned key lock apparatus comprises lock core and the lock core cover with keyhole, and described lock core is assembled in the lock core cover, and is provided with billiards lock structure between keyhole and lock core cover; Right side, described dead bolt bottom surface has protruding gear portion down, the gear portion anterior cut breach that goes out to step down, the hole of storage tank bottom surface is passed in the lock core upper end, has the stopper of under lock-out state, gear portion being carried out left limit in the lock core upper surface accordingly, under the state of unlocking, described stopper turns in the breach of stepping down; Described storage tank middle part is fixed with to be equipped with gear portion retaining and prevents that dead bolt from skidding off the alignment pin of storage tank; Be supported with between described dead bolt right side and the storage tank inwall and make dead bolt keep the spring of the trend that moves to left.Certain above-mentioned key lock apparatus also can adopt existing similar key lock apparatus, is to drive the key lock structure that lock core laterally moves in the padlock that relates among the ZL200620003859.9 as adopting the patent No..

Have gathering sill on the sidewall before and after the above-mentioned storage tank, have the guiding rib that matches with gathering sill on the sidewall before and after the corresponding described dead bolt, described guiding rib is plugged in the gathering sill and gathering sill left and right sides slippage relatively.This structure can be fine with the dead bolt longitudinal spacing in storage tank.

Second technical problem to be solved by this invention be by a kind of be available key operated, the cipher hang lock that also available password is opened, the locking and unlocking process of this coded lock realizes by moving up and down of locking bar.Concrete scheme is: above-mentioned stock can move up and down by relative first lockhole within the specific limits, and being provided with in first lockhole by dialling changes digit wheel and with the stock snap close or the coded lock device of triping.

Above-mentioned coded lock device includes several digit wheels and several lock tubes, wherein digit wheel is embedded in lock housing one by one along in vertical several openings that are provided with of first lockhole, and lock tube is sheathed one by one and longitudinal spacing on stock, each lock tube outer face have can with the protruding key of the latch coupling of digit wheel, have a plurality of keyways that allow protruding key to pass through down in released state on the corresponding described first lockhole sidewall.Certain above-mentioned coded lock device also can adopt existing similar coded lock device, is the coded lock device that relates among the ZL200520102057.9 in the padlock as adopting the patent No..

The middle part of above-mentioned stock has the protuberance that a pair of lock tube carries out upper limit, and the bottom of stock is provided with the jump ring that a pair of lock tube carries out lower limit, and the described first lockhole opening part close-fitting has a limited cover, and this limited cover carries out upper limit to protuberance simultaneously.

For preventing that digit wheel be not subjected to arbitrarily rotation under the external force effect, above-mentioned coded lock device comprise also that several are provided with corresponding to each digit wheel with structure to each digit wheel rotary stopper, this structure is a steel ball that is located in the default aperture of lock housing and is held by spring, and steel ball is fastened in the depression between two numbers of digit wheel.

Above-mentioned dead bolt right side is preset with a hole, and described spring is arranged in this hole, and the other end of this spring and storage tank inwall support and establish.Like this can spring is fine spacing, prevent the skew of spring position.

Compared with prior art, the invention has the advantages that: this structure has adopted and has been arranged on lock housing upper left-hand dead bolt realization the locking and unlocking of lock housing move left and right relatively, during locking, dead bolt moves right, limiting section on the dead bolt is moved in the breach of lock housing upper left-hand, so just, can cooperate in the bar hole that forms by the right inwall of stopper slot and breach the quarter butt end on the locking bar is spacing, during release, key, key lock apparatus is removed the locking to dead bolt, dead bolt just relatively lock housing move to left, form the gap between the inwall of limiting section and the breach right side like this, rotate stock, quarter butt just can break away from the bar hole forward or backward.Therefore it is a kind of padlock locking and release mode of novelty, and this mode has locking and unlocking operation advantage easily.

Description of drawings

Fig. 1 is the structure sectional view of the embodiment of the invention under lock-out state;

Fig. 2 is the structure sectional view of the embodiment of the invention under the key lock apparatus released state;

Fig. 3 is the structure sectional view of the embodiment of the invention under the coded lock device released state;

Fig. 4 is the structure sectional view of lock housing in the embodiment of the invention;

Fig. 5 is the vertical view of lock housing in the embodiment of the invention;

Fig. 6 is the left view of lock housing in the embodiment of the invention;

Fig. 7 is the three-dimensional icon intention one of dead bolt in the embodiment of the invention;

Fig. 8 is the three-dimensional icon intention two of dead bolt in the embodiment of the invention;

Fig. 9 is the three-dimensional icon intention of digit wheel in the embodiment of the invention;

Figure 10 is the vertical view of lock tube in the embodiment of the invention;

Figure 11 is the schematic diagram of locking bar in the embodiment of the invention.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

As shown in Figure 1, 2, 3, be a preferred embodiment of the present invention.

A kind of padlock comprises the lock housing 1 with first lockhole 11 and second lockhole 12 and has stock 21 and quarter butt 22 and the locking bar 2 that takes the shape of the letter U, as shown in figure 11.Shown in Fig. 4,5,6, wherein first lockhole 11 is positioned at the right part of lock housing 1, second lockhole 12 be positioned at lock housing 1 about portion, first lockhole 11 is along being arranged at intervals with four openings 15 towards the right side on its length direction.Stock 21 in the locking bar is spacing rotationally in first lockhole 11, and described stock 21 can move up and down by relative first lockhole 11 within the specific limits, is provided with in first lockhole 11 by dial changeing digit wheel stock 21 snap closes or the coded lock device of triping.

Coded lock device includes four digit wheels 8, four lock tubes 9, and as shown in Figure 4, each digit wheel 8 is embedded in each opening 15 one by one.

The sheathed one by one and longitudinal spacing of described lock tube 9 is on stock 21, lock tube 9 is that the protuberance 211 by the middle part that is arranged on stock 21 carries out upper limit, carry out lower limit by the jump ring 222 that is arranged on stock 21 bottoms, and one limited cover 10 being arranged at described first lockhole, 11 opening part close-fittings, this limited cover 10 carries out upper limit to protuberance 221 simultaneously.Each lock tube 9 outer face has the protruding key 91 that can take turns 8 latch 81 couplings with respective number, shown in Fig. 9,10, i.e. coupling by protruding key 91 and latch 81, when being rotated, digit wheel 8 can drive corresponding lock tube 9 along with rotating relative to stock 21 together, have a plurality of keyways 111 that allow protruding key 91 to pass through down in released state on corresponding described first lockhole, 11 sidewalls at interval, shown in Fig. 4,5.

For preventing that digit wheel 8 be not subjected to arbitrarily rotation under the external force effect, be provided with in first lockhole 11 four be provided with corresponding to each digit wheel 8 with structure to each digit wheel 8 rotary stopper, this structure is a steel ball 18 that is located in the default aperture 16 of lock housing and is held by spring 17 elasticity, after assembling, this steel ball 18 just in time is fastened in the depression 82 between two numbers of digit wheel 8.

Certain above-mentioned coded lock device is not limited to aforementioned structure, also can adopt existing similar coded lock device, is the coded lock device that relates among the ZL200520102057.9 in the padlock as adopting the patent No..

Described lock housing 1 upper left-hand has breach 13, breach 13 bottom surfaces have the storage tank 14 that runs through lock housing 1 left side wall, storage tank 14 bottom surfaces have the hole 121 that communicates with described second lockhole 12, be provided with a dead bolt 3 in the described storage tank 14, have gathering sill 141 on the storage tank 14 front and back sidewalls, as Fig. 7, shown in 8, have the guiding rib 35 that matches with gathering sill 141 on the front and back sidewall of corresponding described dead bolt 3 bottoms, described guiding rib 35 is plugged in the gathering sill 141 and gathering sill 141 left and right sides slippages relatively, and dead bolt 3 also just can laterally move relative to lock housing 1 in storage tank 14 by this muscle groove structure is spacing up and down like this.

Shown in Fig. 7,8, the top of dead bolt 3 has the limiting section 31 that size and shape and breach 13 match, with guarantee when dead bolt 3 move to right put in place after, limiting section 31 can just be full of whole breach 13, keeps the integrality of whole padlock.Limiting section 31 upper surfaces have the stopper slot 32 that runs through limiting section 31 right side walls towards the right side, move right to breach 13 internal states at limiting section 31, described stopper slot 32 cooperates formation to carry out the spacing bar hole A in front and back to quarter butt 22 with breach 13 right inwalls, be provided with in described second lockhole 12 to remove the key lock apparatus that 3 lockings are unblanked to dead bolt with dead bolt 3 lockings or by key B.

Described key lock apparatus comprises lock core 4 and the lock core cover 5 with keyhole, described lock core 4 is assembled in the lock core cover 5, and between keyhole and lock core cover 5, be provided with billiards lock structure C, billiards lock structure C is a routine techniques, it generally includes and is arranged on the hole that lock core and lock core put, being assembled with spring in this hole is a plurality of pellets shot from a slingshot, and concrete mode and operating principle are not launched to elaborate at this.

The hole 121 of storage tank 14 bottom surfaces is passed in described lock core 4 upper ends, right side, described dead bolt 3 bottom surface has protruding gear portion 33 down, the gear portion 33 anterior cut breach 34 that goes out to step down, has the stopper 41 of under lock-out state, gear portion 33 being carried out left limit in lock core 4 upper surfaces accordingly, under the state of unlocking, described stopper 41 turns in the breach 34 of stepping down, and stopper 41 can not stop that just dead bolt 3 is moved to the left like this.Described storage tank 14 middle parts are fixed with gear portion 33 gears and cooperate to prevent that dead bolt 3 from skidding off the alignment pin 6 of storage tank left.Be supported with between described dead bolt 3 right sides and storage tank 14 inwalls and make dead bolt 3 keep the spring 7 of the trend that moves to left.Dead bolt 3 right sides are preset with a hole 36, and described spring 7 is arranged in this hole 36, and the other end of this spring 7 and storage tank 14 inwalls support and establish.

Certain above-mentioned key lock apparatus is not limited to aforementioned structure, also can adopt existing similar key lock apparatus, is to drive the key lock structure that lock core laterally moves in the padlock that relates among the ZL200620003859.9 as adopting the patent No..

About relating in the present embodiment, front and back position relation is as the criterion with signal direction among Fig. 1.

Operating principle of the present invention and process are as follows:

At first introduce the operating principle of key lock apparatus, as shown in Figure 1, during locking, rotating rod lock 2, make quarter butt 22 be positioned at breach 13 medium positions, promote dead bolt 3 then to the right, this moment, lock core 4 can not stop that dead bolt 3 moves to right because the stopper 41 on the lock core 4 is arranged in the breach 34 of stepping down, when dead bolt 3 moves to right when putting in place, be that limiting section 31 moves under breach 13 internal states, described stopper slot 32 cooperates formation to carry out the spacing bar hole A in front and back, key B to quarter butt 22 with breach 13 right inwalls, lock core 4 also rotates thereupon, the gear portion 33 that guarantees 41 pairs of dead bolt 3 bottoms of stopper on the lock core carries out left limit, and quarter butt 22 is just locked, and whole locking work is finished.

During release, as shown in Figure 2, key B, lock core 4 also rotate thereupon, stopper 41 on lock core is arranged in the breach 34 of stepping down, lock core can not stop that dead bolt 3 moves to left, and dead bolt 3 moves to left under the effect of spring 7, contacts with alignment pin 6 until mobile gear portion 33, alignment pin 6 has stoped dead bolt 3 lock housing 1 that moves to left out, like this, form the gap of shifting out for quarter butt 22 front and back between the limiting section 31 on dead bolt top and the right inwall of breach 13, whole releasing process is finished.

Follow the operating principle of unlocking pin locking device, during locking, as shown in Figure 1, press down locking bar 2, since the protruding key 91 on the lock tube 9 just in time with first lockhole, 11 sidewalls on keyway 111 be positioned on same vertical straight line, like this, stock 21 just can move down in first lockhole 11, while quarter butt 22 also is displaced downwardly to stopper slot 32 and cooperates can carrying out in the spacing bar hole A in front and back quarter butt 22 of forming with breach 13 right inwalls, arbitrarily rotate digit wheel 8 then, digit wheel 8 drives corresponding lock tube 9 and rotates an angle, i.e. 111 dislocation of keyway on protruding key 91 on the lock tube 9 and first lockhole, 11 sidewalls, so just, stop stock 21 vertically to move up, finished locking process.

During release, as shown in Figure 3, rotate digit wheel 8, when turning to the password tram, the protruding key 91 on the lock tube 9 just in time with first lockhole, 11 sidewalls on keyway 111 be positioned on same vertical straight line, like this, upwards spur locking bar 2, stock 21 just can move on relative first lockhole 11, and quarter butt 22 also breaks away from the restriction of bar hole A thereupon, and release is finished.

During the conversion password, as shown in Figure 3, stock 21 is under the released state in the time of then, since the tooth 81 on the digit wheel 8 also not with lock tube 9 on 91 couplings of protruding key, just can arbitrarily rotate digit wheel 8, digit wheel 8 idle running, after stopping, the numeral that occurs on the digit wheel 8 is new password value.

Claims

1. a padlock comprises the lock housing (1) with first lockhole (11) and second lockhole (12) and has stock (21) and the locking bar (2) of quarter butt (22), and wherein stock (21) is spacing rotationally in first lockhole (11); It is characterized in that: described lock housing (1) upper left-hand has breach (13), spacing in the described breach (13) have a dead bolt of breach (13) move left and right relatively, the top of dead bolt (3) has the stopper slot (32) that runs through on the right side, under dead bolt (3) top moves to state in the breach (13), described stopper slot (32) cooperates formation to carry out spacing bar hole (A), front and back to quarter butt with the right inwall of breach (13), be provided with in described second lockhole (12) to remove the key lock apparatus that locking is unblanked to dead bolt (3) with dead bolt (3) locking or by key (B).

2. padlock according to claim 1, it is characterized in that: the bottom surface of described breach (13) has the storage tank (14) that runs through lock housing (1) left side wall, storage tank (14) bottom surface has the hole (121) that communicates with second lockhole, the bottom of described dead bolt (3) is spacing also can be along storage tank (14) move left and right in storage tank (14), the top of dead bolt (3) is the limiting section (31) that matches with breach (13) then, and described stopper slot (32) is arranged on limiting section (31) upper surface and runs through limiting section (31) right side.

3. padlock according to claim 2, it is characterized in that: described key lock apparatus comprises lock core (4) and the lock core cover (5) with keyhole, described lock core (4) is assembled in the lock core cover (5), and is provided with billiards lock structure (C) between keyhole and lock core cover (5); Described dead bolt (3) right side, bottom surface has protruding gear portion (33) down, gear portion (33) the anterior cut breach (34) that goes out to step down, the hole (121) of storage tank bottom surface is passed in lock core (4) upper end, has the stopper (41) of under lock-out state, gear portion (33) being carried out left limit in lock core (4) upper surface accordingly, under the state of unlocking, described stopper (41) turns in the breach of stepping down (34); Described storage tank (14) middle part is fixed with to be equipped with gear portion (33) retaining and prevents that dead bolt (3) from skidding off the alignment pin (6) of storage tank; Be supported with between described dead bolt (3) right side and storage tank (14) inwall and make dead bolt (3) keep the spring (7) of the trend that moves to left.

4. padlock according to claim 2, it is characterized in that: have gathering sill (141) on the sidewall before and after the described storage tank (14), have on the sidewall before and after the corresponding described dead bolt (3) and guiding rib (35) that gathering sill (141) matches, described guiding rib (35) is plugged in the gathering sill (141) and gathering sill (141) left and right sides slippage relatively.

5. want the described padlock of arbitrary claim in 1～4 according to right, it is characterized in that: described stock (21) can move up and down by relative first lockhole (11) within the specific limits, is provided with in first lockhole (11) by dial changeing digit wheel stock (21) snap close or the coded lock device of triping.

6. padlock according to claim 5, it is characterized in that: described coded lock device includes several digit wheels (8) and several lock tubes (9), wherein digit wheel (8) is embedded in lock housing (1) one by one along in vertical several openings (15) that are provided with of first lockhole (11), and lock tube (9) is sheathed one by one and longitudinal spacing on stock (21), each lock tube (9) outer face have can with the protruding key (91) of latch (81) coupling of digit wheel, have a plurality of keyways (111) that allow protruding key (91) to pass through down in released state on corresponding described first lockhole (11) sidewall.

7. padlock according to claim 6, it is characterized in that: the middle part of described stock (21) has the protuberance (211) that a pair of lock tube (9) carries out upper limit, the bottom of stock (21) is provided with the jump ring (222) that a pair of lock tube carries out lower limit, described first lockhole (11) opening part close-fitting has a limited cover (10), and this limited cover (10) carries out upper limit to protuberance (211) simultaneously.

8. padlock according to claim 6, it is characterized in that: described coded lock device comprise also that several are provided with corresponding to each digit wheel (8) with structure to each digit wheel rotary stopper, this structure is a steel ball (18) that is located in the default aperture (16) of lock housing (1) and is held by spring (17) elasticity, and steel ball (18) is fastened in the depression (82) between two numbers of digit wheel (8).

9. padlock according to claim 3 is characterized in that: described dead bolt right side is preset with a hole (36), and described spring (7) is arranged in this hole (36), and the other end of this spring (7) and storage tank (14) inwall support and establish.