CN101473361B - An engagement lock capable of indicating breakdown for a container - Google Patents

Abstract

This invention relates to an engagement lock for a container, said engagement lock comprising a first member defining a first and a second end, and defining an axis in the longitudinal direction of said first member, said first end constituting an insertion end defining a surface and a first transversal dimension, and said second end comprising a head defining a second transversal dimension being larger than said first transversal dimension of said insertion end, a second member having a cavity allowing said insertion end to snap-fit interlock with said second member provided said insertion end of said first member being introduced into said cavity, said insertion end being provided on said surface with a first number of protruding locking elements extending in the direction of said axis, said cavity of said second member being provided with a second number of locking recesses for matingly locking and arresting said insertion end to said cavity whereby said first member being locked and arrested to said second member.

Description

Be used for chest can tamper indicating the bitelock of action

Technical field

The present invention relates to a kind of bitelock that is used to have the chest of a pair of lock ring or lockhole, this bitelock comprises first and second members, is suitable for after first member is inducted in the cavity that is arranged on second member, suddenly interlock and locking together.

Background technology

The bitelock of the above-mentioned type discloses in US-A3 980 337.

The extension body of this existing lock is cable or tinsel, and they are all crooked especially easily, therefore, tries to insert and it and other members are locked together if for example use hammer to knock, and this flexible member will be turned up bending.In addition, when carrying out this interlocking and attempt, the tinsel of sub-thread will unclamp, not twist together.

Bitelock also with United States Patent (USP) 4,075, disclosed in the 742 corresponding to Danish Patents 134811.In this lock, bar-shaped body is a kind of metal solid rod of rigidity, can overcome in the mode as described above by hammer to knock when carrying out interlocking the resistance that it is inducted in the cavity.By means of strong scissors or shear, cut this stick-like body, open this lock.

In addition, bitelock by with United States Patent (USP) 4,911,889 corresponding to European patent EP 0 044305B1 disclose, the present invention is to its further improvement.With reference to above-mentioned patent, and in instructions of the present invention, introduce above-mentioned United States Patent (USP) with for referencial use.

Have this possibility: illegal people can open bitelock by stick-like body is bored to split, because the undercapacity of cavity is to withstand.

According to the legal open method of bitelock well known in the prior art, cut this stick-like body by strong scissors or shear, as one of incision ring-shaped groove, open bitelock, this ring-shaped groove is the slit that deliberately makes weakened.

The thief or as want that in chest illegal article of transportation etc. have the people of askew thought, can not use above-mentioned legal open method, because this people does not wish the unlatching of chest and closing and the unlatching of bitelock and closing subsequently subsequently, when checking bitelock after a while, be found.Thief or the people that askew thought is arranged who attempts in chest illegal article such as transportation as drugs will attempt the destruction bitelock, and before locking chest again as much as possible at chest stored his " article ".This people does not wish the article by checking that the bitelock discovery increases or replaces, the vestige of crack or other hammerings or brill as can be seen after a while.

Certainly, can by by as strong scissors and/or shear cut this stick-like body and open the chest lock, but this will see from the chest outside, take the people of chest to see as customs officer or other.

Summary of the invention

The purpose of this invention is to provide and a kind ofly can not or bore the bitelock of unauthorised broken, and this bitelock only can be opened by autotelic legal unlatching by hammer.

Characteristics of the present invention are, be provided with the structure of any illegal this lock of unlatching of blocking-up, this structure steganography is in lock itself, prevented any illegal change thus, prevented that in addition the people who makes the thief or askew thought is arranged from successfully replacing to the lock that can not prevent unauthorised broken or unlatching in the prior art with lock according to the present invention this blocking-up structure.

Above-mentioned purpose and These characteristics will become more obvious with other purposes, characteristics and the advantage detailed description by following bitelock according to currently preferred embodiments of the invention, and these purposes and characteristics etc. are obtained by two selectable aspects according to the technology of the present invention.

First aspect relates to the bitelock of the chest that is used to have a pair of lock ring, and this bitelock comprises:

---first member, comprise the bar-shaped extension body that has defined first and second ends, and define bar-shaped extension body vertically be axle, first end constitutes the insertion end that has defined a surface and first transverse dimensions, second end comprises the head that has defined second transverse dimensions, second transverse dimensions is bigger than first transverse dimensions of insertion end

---second member, have the cavity that has defined the 3rd transverse dimensions, be inducted in this cavity by insertion end first member, make the interlock and locking together suddenly of the insertion end and second member, second definition of the component the 4th outside horizontal end size,

---second transverse dimensions of first component head and outside the 4th transverse dimensions of second member be greater than the hole of lock ring, and first transverse dimensions of insertion end is less than the hole of lock ring,

It is characterized in that,

---insertion end is extended the outstanding locking member that is provided with first quantity along the direction of axle from the teeth outwards,

---the cavity of second member is provided with the latch recess of second quantity, be used for insertion end is locked supportingly and capture cavity, thus with first member locking and capture second member and

---second quantity is equal to or greater than first quantity.

Second aspect relates to the bitelock of the chest that is used to have a pair of lock ring, and this bitelock comprises:

---first member, comprise the bar-shaped extension body that has defined first and second ends, and define bar-shaped extension body vertically be axle, first end constitutes the insertion end that has defined a surface and first transverse dimensions, second end comprises the head that has defined second transverse dimensions, second transverse dimensions is bigger than first transverse dimensions of insertion end

---second member, have the cavity that has defined the 3rd transverse dimensions, be inducted in this cavity by insertion end first member, make the interlock and locking together suddenly of the insertion end and second member, second definition of the component the 4th outside transverse dimensions,

---second transverse dimensions of first component head and outside the 4th transverse dimensions of second member be greater than the hole of lock ring, and first transverse dimensions of insertion end is less than the hole of lock ring,

It is characterized in that,

---insertion end is extended the latch recess that is provided with first quantity along the direction of axle from the teeth outwards,

---the cavity of second member is provided with the outstanding locking member of second quantity, be used for insertion end is locked supportingly and capture cavity, thus with first member locking and capture second member and

---first quantity is equal to or greater than second quantity.

The setting of outstanding locking member and latch recess has prevented by means of hammer or by boring or revolving unauthorised broken or open bitelock, further, employing is hidden in cooperating of locking member and latch recess in second member and supporting, prevented from bitelock to be replaced with the bitelock that stops illegal unlatching by the bitelock that does not stop illegal unlatching by change, this by changing the illegal bitelock of opening of the prevention that forms, may be in some cases, can illegally destroy or open this bitelock owing to bore, thereby successfully be opened.

Because thief or have the people of askew thought may attempt the place that can't see, open or knock open by brill, bitelock destruction is opened, but according to the present invention, on a member, use outstanding locking member, use latch recess (perhaps opposite) on another member, make and by boring or striking bitelock destruction to be opened.Therefore, bitelock provided by the invention can not be destroyed on some positions of this bitelock, and this position has been covered by the lock ring of chest.

According to the present invention above-mentioned first or the bitelock of the currently preferred embodiment of second aspect, first quantity is preferably 1-9, for example is 2-6, and more preferably 4, and first and second quantity are identical.In addition, the bitelock of the currently preferred embodiment of first and second aspects according to the present invention, the best equidistant separation of projection locking member makes that bitelock can closed also sealed more than place, a mutual location between first and second member of bitelock.

In order to make that bitelock can be according to having a mind to and legal unlatching is easily opened, first member is preferably in the ring-shaped groove that is provided with between its first and second ends perpendicular to the 3rd quantity of first members shaft, and the slit that provides intensity to weaken is provided.

In order to follow the trail of the article in the case,, the most important thing is with the unique coding of bitelock, so that later identification as the by sea some months of having failed of these article.

According to the present invention, bitelock is provided with recognition component, it is set can detects the bitelock whether this bitelock is converted into other in the future.For example, before the shipping or after the vanning, write to chest to provide which bitelock.

The recognition component of bitelock can comprise any coding visual, readable, not visible or not readable form, as readable password under at daylight, perhaps only when being exposed to as UV light just readable password of following time.Recognition component can comprise letter and/or integer, perhaps alternatively can comprise the color recognition that comprises one or more colors, perhaps alternatively for forming or constitute the series digit of unique password.

Further replacedly, recognition component can comprise the RFID label that has defined unique password, perhaps alternatively comprises the bar code that has defined unique password.

With visible or readable form or the information that alternatively in recognition component, contains or comprises with invisible or not readable form, best definition is manufacturer, the shipping commission merchant who is used to discern chest itself, the sign of loading and unloading commission merchant or conveyer, or the combination in any of above-mentioned information.

Recognition component preferably is set to illegal unlatching or destruction when opening the trial of bitelock, as knocks or when boring bitelock, it can damage or lose efficacy.

Therefore, recognition component is arranged on the second member outside, and cover the major part of second member, to prevent the thief or to have the people of askew thought can hold or pull second member, bitelock is opened or is destroyed in attempt, and recognition component was lost efficacy or breaking-up, attempted illegal unlatching but can demonstrate existing people.

The bitelock alternative embodiment of first and second aspects according to the present invention, this head is conical head, dish type head, spherical head, pyramid head, perhaps comprises the headgear combination of above-mentioned geometry or any other relevant geometry.

According to third aspect present invention, the invention further relates to a kind of locking and have the method for the chest of lock ring, comprise being provided with comprising the not step of the bitelock of rotating element, and preferably implement, as projection locking member and latch recess are set according to the invention described above first and second aspects.

Description of drawings

With reference now to accompanying drawing, further describe the present invention, wherein:

Fig. 1 is the three-dimensional synoptic diagram according to bitelock first currently preferred embodiment of the present invention;

Fig. 2 is the three-dimensional synoptic diagram of bitelock shown in Fig. 1 when having a mind to the purpose use according to it;

Fig. 3 is the longitdinal cross-section diagram of bitelock shown in Fig. 1 and 2;

Fig. 4 is the three-dimensional exploded view of bitelock shown in Fig. 1 and 3;

Fig. 5 is the perspective cross-sectional slice of a bitelock part shown in Fig. 1-4;

Fig. 6,7 and 8 is three-dimensional summary partial views of bitelock alternative embodiment; With

The three-dimensional synoptic diagram that Fig. 9 is a bitelock shown in Fig. 1-5 when being used for two parts with chest and locking together.

In the whole accompanying drawing, identical Reference numeral is represented same element or assembly.In this instructions,, be appointed as identical Reference numeral respectively with assembly or identical assembly or the element of element with reference to accompanying drawing description before; Different with assembly or the element described before, but be used for the assembly or the element of identical purpose, the assembly or the identical integer of element of having specified respectively and having described before.

Embodiment

Among Fig. 1, the bitelock of Reference numeral 10 expression currently preferred embodiments.Bitelock 10 comprises two members 20 and 30, is suitable for after first member 20 with clavate body partly is inducted in the chamber of second member 30 self interlocking.Bitelock 10 is used to lock the chest of conveying objects.First member 20 comprises the clavate extension body, this ontology definition first end 21 and second end 22.First end 21 constitutes insertion ends, and has defined and the first member center section part that reduces of diameter group mutually, and this center section constitutes bar portion and first end 21 is connected with second end 22.At second end, 22 places, be provided with than first end 21 and the big a lot of head of first member, 20 center section diameters.Reference numeral 25 expression center section or bar portions, it is provided with the groove 28 that circumferentially extends, and is used for cutting tools such as guiding as strong scissors or shear, and this cutting tool is used to cut bitelock 10.

First end, 21 places at first member 20 are provided with a groove 23 along circumference, and purpose is to cooperate with the locking ring of second member 30, lock or catch first member 20 with respect to second member 30, and are as be known in the art such.

In order to prevent that first end 21 is inducted in the above-mentioned chamber of second member 30, and by means of above-mentioned locking ring with respect to after the locking of second member 30, first member 20 can reverse or rotates with respect to second member 30, is provided with one group of locking member or locking ridges 26 to outer process.Locking member or ridge 26 are received in the corresponding latch recess, and as will be described below such, this latch recess is arranged on the cavity inner surface of second member 30, prevents that first member 20 from random rotating with respect to second member 30.Locking member or ridge 26 and the purpose that the corresponding recesses of the cavity inner surface of second member 30 cooperates are set, mainly are to prevent the thief or any illegal unlatching of the people of askew thought to bitelock arranged.Because have realized that, can be by borehole drill construction being connected to the head of bitelock, and rotation is similar to a member of bitelock 10 first members 20, cause member being similar to bitelock first member 20 and corresponding to the locking between the member of member 30, the lock-out state of being had a mind to by them becomes separated position, thereby illegally opens bitelocks more of the prior art.

Consider the situation that the locking member 26 at first member, 20 first ends or insertion end 21 places matches with the groove of second member, 30 cavity inner surface place similar configuration, improved security, and the people who has reduced the thief significantly or askew thought arranged enters possibility by means of the chest of bitelock 10 lockings by illegal unlatching bitelock 10.

Among Fig. 2, when constituting box closure two cooperate two plates 12 and 14 of ring, are set up in parallel each other.First member 20 of bitelock 10 passes through the hole or the aperture 30 of a plate 14, and further by plate 12 similar hole or aperture channeling conducts; From opposite sides of two plates 12 and 14 assemblings,, and second member, 30, the second members 30 of the member 20 locking bitelocks 10 of winning are connected with first member 20 along with first end or the insertion end 21 of bitelock first member 10 is inducted in second member, 30 inner chambers.

Among Fig. 3, in longitdinal cross-section diagram, very at length shown the assembling that bitelock 10 first members 20 and second member 30 constitute, there is shown the metal inner core 27 of first member 20, this metal inner core 27 is covered by plastic coating coverture 29, this coverture 29 is moulded on the metal inner core 27, and is provided with the groove 28 along circumference.

Among Fig. 4, show first member 20 of bitelock 10, and in exploded view, further shown second member 30 of bitelock 10, disclosed the structure of member in further detail.Second member 30 comprises the metal sleeve 31 that has defined inside surface, and this inside surface has defined above-mentioned cavity, and is expressed as Reference numeral 32.In surface 32, be provided with many grooves 33, purpose is when first member 20 and second member 30 lock, and receives locking member or locking ridges 26 on the insertion end 21 of first member, 20 diameter reduction.Second member 30 further comprises stopper 34, is arranged at metal sleeve 31 inside, and supports above-mentioned locking ring 35 as shown in Figure 5.Second member 30 further comprises shell 36, is similar to the shell 29 of first member.

Show the summary longitdinal cross-section diagram of second member 30 among Fig. 5, disclosed stopper 34 and locking ring 35 in further detail.

Be appreciated that above-mentioned first currently preferred embodiment according to the present invention can improve in many ways, as change the locking member that first member 20 cooperates with second member 30, alternatively the insertion end at first member 20 is provided with latch recess.

In addition, in first currently preferred embodiment of above-mentioned bitelock, be provided with four similar grooves 33 of four locking members 26 and metal sleeve 31 altogether, but, in alternative embodiment, for example eight or 12 grooves can be set in metal sleeve 31, first end 21 that makes the member 20 of winning is by the difference location more than four, as eight or 12 different location, be inserted in second member 30.

In addition, because when embodying the characteristics that the present invention prevents that bitelock first member from rotating with respect to bitelock second member, only need a locking member just passable, therefore first and second members 20 or 30 or alternatively according to second member in the above-mentioned alternative embodiment and first member 30 and 20, the quantity of locking member that it cooperatively interacts or ridge and latch recess can change respectively.Further, can adopt the locking member of any amount and cooperating of latch recess,,, perhaps as mentioned above, be preferably the locking member or the latch recess of 4 cooperations altogether as 3,5,7,8 as the 2-9 group.

Except the locking member of cooperation and the quantity and the position of latch recess, can change the geometry of two members 20 of bitelock or 30, bitelock head 24 shown in Fig. 6-8 can be different structures, a kind of modification that has shown bitelock first component head among Fig. 6, the difference of this head and above-mentioned head 24 is that this head has conical cross-sectional structure.In addition, as shown in Figure 7, head 24 " can be built into flat cylindrical plate, perhaps further alternatively, and as shown in Figure 8, head 24 " ' can be built into sphere.

Shown bitelock 10 autotelic operating positions among Fig. 9, this lock is used for constituting the plate 14 of chest support and the plate 12 of this chest locks, thereby locks and seal the opening of chest, prevents any illegal unlatching to box opening thus.

Though top description has comprised according to the present invention the disclosure of current certain preferred embodiment bitelock, though and also described specific variation or alternative embodiment, but those skilled in the art can also easily carry out multiple other variation or replacement, as appended patent claims definition, these variations or embodiment constitute a part of the present invention.

Claims (20)

1. bitelock is used to have the chest of pair of locking ring, and this bitelock comprises:

First member, comprise the bar-shaped extension body that has defined first and second ends, and define described bar-shaped extension body vertically be axle, described first end constitutes insertion end, this insertion end has defined a surface and first transverse dimensions, described second end comprises the head that has defined second transverse dimensions, and this second transverse dimensions is greater than described first transverse dimensions of described insertion end;

Second member, has the cavity that has defined the 3rd transverse dimensions, make to be inducted in the described cavity, and with the interlock and locking together suddenly of described insertion end and described second member by described insertion end with described first member, described second definition of the component outside the 4th transverse dimensions;

Described second transverse dimensions of the described head of described first member and described outside the 4th transverse dimensions of described second member are greater than the hole of described locking ring, and described first transverse dimensions of described insertion end is less than the hole of described locking ring;

It is characterized in that:

The bearing of trend of described insertion end described axle in described surperficial upper edge is provided with the projection locking member of first quantity;

The described cavity of described second member is provided with the latch recess of second quantity, is used for described insertion end is locked supportingly and capture described cavity, thus described first member is locked and capture described second member; With

Described second quantity is equal to or greater than described first quantity.

2. bitelock is used to have the chest of pair of locking ring, and this bitelock comprises:

First member, comprise the bar-shaped extension body that has defined first and second ends, and define described bar-shaped extension body vertically be axle, described first end constitutes insertion end, this insertion end has defined a surface and first transverse dimensions, described second end comprises the head that has defined second transverse dimensions, and this second transverse dimensions is greater than described first transverse dimensions of described insertion end;

Second member, has the cavity that has defined the 3rd transverse dimensions, make to be inducted in the described cavity, and with the interlock and locking together suddenly of described insertion end and described second member by described insertion end with described first member, described second definition of the component outside the 4th transverse dimensions;

Described second transverse dimensions of the described head of described first member and described outside the 4th transverse dimensions of described second member are greater than the hole of described locking ring, and described first transverse dimensions of described insertion end is less than the hole of described locking ring;

It is characterized in that:

The bearing of trend of described insertion end described axle in described surperficial upper edge is provided with the latch recess of first quantity;

The described cavity of described second member is provided with the projection locking member of second quantity, is used for described insertion end is locked supportingly and capture described cavity, thus described first member is locked and capture described second member; With

Described first quantity is equal to or greater than described second quantity.

3. bitelock according to claim 1 and 2, wherein said first quantity is 1-9.

4. bitelock according to claim 1 and 2, wherein said first quantity is 2-6.

5. bitelock according to claim 1 and 2, wherein said first quantity is 4.

6. bitelock according to claim 1 and 2, wherein said projection locking member equidistant placement.

7. bitelock according to claim 1 and 2 wherein between described first and second end of described first member, is provided with the ring-shaped groove of the 3rd quantity along the circumference of described axle, is used to provide the slit of weakened.

8. bitelock according to claim 1 and 2 comprises a recognition component.

9. bitelock according to claim 8, wherein said recognition component comprises the color recognition that is made of one or more colors.

10. bitelock according to claim 8, wherein said recognition component comprises digit recognition.

11. bitelock according to claim 10, wherein said digit recognition are a series of numerals of unique password.

12. bitelock according to claim 8, wherein said recognition component comprise the RFID label that has defined unique password.

13. bitelock according to claim 8, wherein said recognition component comprises the bar code that has defined unique password.

14. according to each described bitelock among the claim 9-13, wherein said recognition component has defined the manufacturer, shipping commission merchant, loading and unloading commission merchant or the conveyer's that are used to discern described chest sign, or its combination in any.

15. according to each described bitelock among the claim 9-13, the inefficacy of wherein said recognition component represents described bitelock is had the trial situation of illegal unlatching.

16. bitelock according to claim 15, wherein said illegal unlatching is to knock or bore.

17. bitelock according to claim 1 and 2, wherein said head are conical head.

18. bitelock according to claim 1 and 2, wherein said head are the dish type head.

19. bitelock according to claim 1 and 2, wherein said head are spherical head.

20. bitelock according to claim 1 and 2, wherein said head are the pyramid head.

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