CN109878893A - A kind of magnetic lock - Google Patents
A kind of magnetic lock Download PDFInfo
- Publication number
- CN109878893A CN109878893A CN201910278075.9A CN201910278075A CN109878893A CN 109878893 A CN109878893 A CN 109878893A CN 201910278075 A CN201910278075 A CN 201910278075A CN 109878893 A CN109878893 A CN 109878893A
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- China
- Prior art keywords
- fixing piece
- connector
- groove
- reinforcing member
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The present invention relates to a kind of magnetic locks, including the first fixing piece, second fixing piece, first connector and safety pin, first connector one end is flexibly connected with first fixing piece one end, first connector, one side surface is detachably connected with one side surface of the second fixing piece, first connector outer surface offers the first groove, first bottom portion of groove offers first through hole, second external surface of fixing member corresponds to and offers card hole at first through hole position, described safety pin one end passes through the first through hole and is disposably clamped with the card hole, the safety pin other end is embedded in first groove, the magnetic lock of the application solves how to realize whether prompt unlocking person is first people unlocked, and how to realize the problem of simplifying unpacking step.
Description
Technical field
The present invention relates to lock field more particularly to a kind of magnetic locks.
Background technique
Currently, the stream packing case used in the market is all made of the mode joint sealing of adhesive tape winding and unpacks, so not only
The chest for causing certain environmental pollution, and tearing open is difficult reusing, in addition, being made with the joint sealing mode that adhesive tape is wound
Joint sealing people and unpacking people are more troublesome, waste time, and are glued again with adhesive tape after unpacking and do not see packing case in appearance
There is opened trace before, not can guarantee the safety of articles in packing case, therefore existing problem is required to obtain into one
Step solves.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of magnetic lock, solves and how to realize that prompt unlocking person is
It is no to be the people of first unlock, and how to realize the problem of simplifying unpacking step.
The technical scheme to solve the above technical problems is that a kind of magnetic lock, including the first fixing piece, second
Fixing piece, the first connector and safety pin, first connector one end is flexibly connected with first fixing piece one end, described
First connector, one side surface is detachably connected with one side surface of the second fixing piece, and first connector outer surface opens up
There is the first groove, first bottom portion of groove offers first through hole, and second external surface of fixing member corresponds to first through hole position
The place of setting offers card hole, and described safety pin one end passes through the first through hole and is disposably clamped with the card hole, the safety pin
The other end is embedded in first groove.
Further, first connector one end and first fixing piece are hinged or are connect by interconnecting piece, and described the
One side surface of a connection piece is connect with one side surface of the second fixing piece by magnetic box and pin.
Further, the magnetic lock further includes the first reinforcing member and the second reinforcing member, first reinforcing member side table
The detachable clamping in one side surface in face and first fixing piece, one side surface of the second reinforcing member and described second are fixed
The detachable clamping in one side surface of part, second fixing piece offer second on the side surface far from second reinforcing member
Groove, the male and female female thread of magnetic are fixed in second groove, and first connector is towards described second
The male and female pin thread of magnetic, pin thread and female thread is fixedly installed on one side surface in fixing piece direction to connect in second groove
It connects, the open end setting of the card hole is in second external surface of fixing member and ipsilateral with second groove.
Further, first reinforcing member is logical close to first connector one end and one side surface of the first fixing piece
The connection of the first connecting plate is crossed, first one end of the connection board and first reinforcing member one end are hinged, the other end and described first
Fixing piece one end is fixedly connected.
Further, first connector is connect with first fixing piece one end by interconnecting piece, and the interconnecting piece is
Silica gel.
Further, magnet is provided between first fixing piece and first reinforcing member.
Further, it is provided with third groove on a side surface of first connector far from first groove, it is described
Third groove topography is adapted with the second fixing piece shape, and the male and female pin thread of magnetic is arranged in the third groove
The outlet end of bottom, the first through hole is located on the bottom surface of the third groove.
Further, first connector is provided with hand-held part, the hand-held part one far from first fixing piece one end
The junction of end and first connector one end is chamfering structure.
Further, a side surface of second reinforcing member corresponds to the card hole location and offers the second through-hole.
Further, the safety pin includes shackle member and baffle, and the shackle member and the baffle pass through the second connector
Connection, second connector one end connect with the shackle member by indentation line, the second connector other end with it is described
One side surface of baffle is fixedly connected, and second connector, which passes through the first through hole, keeps the shackle member and the card hole primary
Property clamping, the baffle is embedded in first groove.
Above-mentioned technical proposal bring beneficial effect includes at least: it is applied widely, it ensure that the peace of articles in packing case
Entirely, also prompted whether people oneself are first people to unlock, simplified unpacking step, structure novel is easy to operate, has anti-
Function is stolen, parking space, replacement easy to disassemble are saved, two functions are played in an operation.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of magnetic lock of the present invention；
Fig. 2 is a kind of overall structure diagram of magnetic lock of the present invention；
Fig. 3 is overall structure diagram when a kind of magnetic of the present invention latches use state.
In attached drawing, parts list represented by the reference numerals are as follows:
1, the first fixing piece, the 2, second fixing piece, the 3, first connector, 4, safety pin, the 5, first groove, 6, first is logical
Hole, 7, card hole, 8, magnetic box and pin, the 9, first reinforcing member, the 10, second reinforcing member, the 11, second groove, the 12, first connecting plate,
13, hand-held part, the 14, second through-hole 15, shackle member, 16, baffle, the 17, second connector, 18, third groove.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "center", "inner", "outside", "top",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figure 1, the present invention provides a kind of magnetic lock, including the connection of the first fixing piece 1, the second fixing piece 2, first
Part 3 and safety pin 4, described first connector, 3 one end are flexibly connected with described first fixing piece, 1 one end, first connector 3
One side surface is detachably connected with 2 one side surface of the second fixing piece, and it is recessed that 3 outer surface of the first connector offers first
Slot 5,5 bottom of the first groove offer first through hole 6, and 2 outer surface of the second fixing piece corresponds at 6 position of first through hole
Card hole 7 is offered, described 4 one end of safety pin passes through the first through hole 6 and the disposably clamping of card hole 7, the safety pin 4
The other end is embedded in first groove 5, and the magnetic lock in the application can be used on any packing case or packing box,
And packing case or packing box may each be clamshell and be also possible to lid-tray type, and hinge-lid packets or packing case are exactly case
Body or box body and case lid or box cover side are hinged, and the other side, which is formed, unpacks or open at box, and lid-tray type packing case or packing box are just
It is case lid or box cover is fastened on the opening of cabinet or box body, understands for convenience, the magnetic lock of the application is mounted on and is turned over
On cover type box, the first fixing piece 1 can be fixed on by the quantity of magnetic lock setting first according to practical application sets itself
On case lid, fixed mode can be bonding, weld or connected by connector etc., 2 one side surface of the second fixing piece is consolidated
Be scheduled on cabinet at the position of corresponding first connector 3, so no matter the top plate of the case lid of packing case and cabinet whether with cabinet
Side wall can vertically realize magnetic lock installation, the first connector 3 is along the active connection place with 1 one end of the first fixing piece
The disassembly and connection of the first connector 3 and the second fixing piece 2 are realized in activity, finally realize the unlatching and locking of magnetic lock, when
Magnetic latch locking state when, first through hole 6 is corresponding with 7 position of card hole, by 4 one end of safety pin pass through first through hole 6 after and
Card hole 7 is disposably clamped, and is disposably clamped and is meant, can destroy safety pin 4 when magnetic, which latches, to be needed and release locking, due to
The other end of safety pin 4 is embedded in the first groove 5, and not only protection safety pin 4 will not be fractureed by external force easily in this way, and
And safety pin 4 can directly be destroyed to realization unlock together when opening the first connector 3, when people receive logistic article,
It was found that the safety pin 4 of packing case has been destroyed, just illustrates that packing case is opened before, be effectively guaranteed in packing case
The safety of article, has also prompted whether people oneself are the people of first opening chest, and the movement and destruction safety unpacked
Pin 4 carries out together, and the magnetic buckle structure of the application is novel, easy to operate, has anti-theft function, improves articles in packing case
Safety.
Magnetic lock of the invention, as shown in Figure 1, it may also is that described on the basis of the technical solution described in front
First connector, 3 one end hingedly or by interconnecting piece is connect with first fixing piece 1,3 one side surface of the first connector
Connect with 2 one side surface of the second fixing piece by magnetic box and pin 8, the first connector 3 close to one side external surface of cabinet and
Second fixing piece 2 is connected close to a side surface of the first connector 3 by magnetic box and pin 8, and the first connector 3 and second is fixed
The locking and opening for connecting and separating realization magnetic lock of magnetic box and pin 8 between part 2, it is easy to use.
Magnetic lock of the invention, as shown in Fig. 2, it may also is that described on the basis of the technical solution described in front
Magnetic lock further includes the first reinforcing member 9 and the second reinforcing member 10, and 9 one side surface of the first reinforcing member and described first are fixed
The detachable clamping in a side surface of part 1,10 1 side surface of the second reinforcing member and 2 one side surface of the second fixing piece can
Detachable clamping, second fixing piece 2 offer the second groove 11, institute on the side surface far from second reinforcing member 10
The female thread for stating magnetic box and pin 8 is fixed in second groove 11, and first connector 3 is fixed towards described second
The pin thread of magnetic box and pin 8, pin thread and female thread is fixedly installed on one side surface in 2 direction of part to connect in second groove 11
It connects, the open end setting of the card hole 7 is on 2 outer surface of the second fixing piece and ipsilateral with second groove 11, as general
When magnetic lock is mounted on Packaging box, the first reinforcing member 9 corresponding on the top plate of case lid and 1 access section of the first fixing piece are beaten
Hole, then case lid top plate is plugged between the first reinforcing member 9 and the first fixing piece 1, the first reinforcing member 9 and the first fixing piece 1 exist
Clamping structure between top plate is clamped in hole, dismounting and change when damaging in this way convenient for magnetic lock, it should be understood that the
Clamping structure between one reinforcing member 9 and the first fixing piece 1 can be between the first fixing piece 1 and the first reinforcing member 9
Card slot or clamping portion, card slot and the detachable card in clamping portion are provided on one side surface of one fixing piece 1 or the first reinforcing member 9
It connects, it is also possible that card slot is annular slot, clamping portion is adapted with the shape of card slot, preferably makes the first fixing piece 1 and the
Stable connection between one reinforcing member 9 is mounted on chest and also more consolidates, and on the other hand the first reinforcing member 9 is also acted into one
Step reinforces the effect of magnetic lock, second reinforcing member 10 or the second fixing piece 2 between the second reinforcing member 10 and the second fixing piece 2
A side surface on be provided with card slot or clamping portion, card slot and the detachable clamping in clamping portion, it may also is that the second reinforcing member 10
Or annular slot being fixedly installed on 2 one side surface of the second fixing piece, or annular clamping portion, annular slot and annular clamping portion can
Detachable clamping, can make to connect between the second fixing piece 2 and the second reinforcing member 10 in this way and more fasten, save and packing
The space occupied on case wall outer surface, furthermore the second reinforcing member 10 can further reinforce the structure of magnetic lock, certainly,
The access section punching between corresponding second reinforcing member 10 and the second fixing piece 2 is needed on the side wall of packing case, so that second is fixed
Part 2 and the second reinforcing member 10 are fixed on cabinet, and after magnetic lock is fixed, the top plate of packing case is located at the first reinforcing member 9
Between the first fixing piece 1, and one side surface of the first securing plate is in contact with the inner surface of case lid top plate, the first fixing piece 1
Corresponding with 2 position of the second fixing piece, box side is between the second fixing piece 2 and the second reinforcing member 10, the second fixing piece 2
Outside cabinet, the second reinforcing member 10 is located in the box body portion, need by magnetic latch lock when, make the first connector 3 along
It is turned down with the hinged place of the first fixing piece 2, connects magnetic box and pin 8, then 4 one end of safety pin is passed through into first through hole
6, it is disposably clamped with card hole 7, completes the locking of magnetic lock, when needing to unlock, directly by the first connector 3 along with first
The contact of 1 hinged place of fixing piece fold releasing magnetic box and pin 8 destroys safety pin 4 while related, and a movement realizes two
Function, it is more convenient to use.
Magnetic lock of the invention, as shown in Fig. 2, it may also is that described on the basis of the technical solution described in front
First reinforcing member 9 is connected close to described first connector, 3 one end and 1 one side surface of the first fixing piece by the first connecting plate 12
It connects, described first connecting plate, 12 one end and described first reinforcing member, 9 one end are hinged, the other end and described first fixing piece, 1 one end
It is fixedly connected, that is, 9 side of the first reinforcing member, the first fixed plate side and 12 side of the first connecting plate form through slot, when
When first fixing piece 1 and the first reinforcing member 9 are mounted on case lid, by the first reinforcing member 9 along hinged with the first connecting plate 12
Place's fold, the top plate of case lid is placed between the first fixing piece 1 and the first reinforcing member 9, in the clamping for passing through card slot and clamping portion
First fixing piece 1 and the first reinforcing member 9 are fixed on case lid by relationship, and 12 one side of the first connecting plate can protect case lid top plate
Marginal position at be worn, on the other hand can play the role of connecting the first fixing piece 1 and the first reinforcing member 9, prevent
First reinforcing member 9 is lost, it should be noted that the second reinforcing member 10 is leaned on close to one end of the first fixing piece 1 and the second fixing piece 2
It can also be connected by the second connecting plate between nearly first fixing piece, 1 one end, the second one end of the connection board and the second reinforcing member 10 are solid
Fixed connection, the other end and the second fixing piece 2 are hinged, and such second one end of the connection board can protect box opening end corresponding second and connect
It is not frayed at fishplate bar position, on the other hand prevent loss of parts.
Magnetic of the invention latches, it may also is that first connector 3 on the basis of the technical solution described in front
Connect with described first fixing piece, 1 one end by interconnecting piece, the interconnecting piece be silica gel, the interconnecting piece and the first connector and
First fixing piece is fixedly connected with, the material high temperature resistant of silica gel, low temperature resistant, wear-resistant, flexible, and makes the first connector
3 is big along interconnecting piece rotational angle, also avoids repeatedly turning down and junction is caused to damage, the flexible feature of silica gel works as magnetic
After lock is mounted on chest, when chest is normally put, the first connector 3 can be sagging along gravity direction, and being just placed in makes
The attracting position of magnetic box and pin 8, as long as not needing any operation can be in this way when people close the opening of packing case
Magnetic lock is voluntarily locked, and last people are to need for safety pin 4 to be inserted to appropriate location, simplifies the operation of people.
Magnetic lock of the invention, as shown in Fig. 2 to 3, it may also is that institute on the basis of the technical solution described in front
State and be provided with magnet between the first fixing piece 1 and first reinforcing member 9, magnet be fixed at the first fixing piece or first plus
On the surface of firmware, when people unpack, avoid chest shut rear catch due to attraction naturally locking cause it is every
First connector 3 is continued to turn down by the secondary trouble for requiring to unlock again of unpacking after turning down with 1 junction of the first fixing piece,
So that the back of the pin thread of magnet and magnetic lock it is attracting so that the first connector a side surface and first fixing piece
One side surface is fixed after being in contact, and in addition to this, in the independent storage of magnetic lock, it is empty can effectively to save storage
Between, it is more convenient to use.
Magnetic lock of the invention, as shown in figure 3, it may also is that described on the basis of the technical solution described in front
First connector 3 is provided with third groove 18 on the side surface far from first groove 5,18 shape of third groove with
Second fixing piece, 2 shape is adapted, and the setting of the pin thread of the magnetic box and pin 8 is described in 18 bottom of third groove
The outlet end of first through hole 6 is located on the bottom surface of the third groove 18, and when magnetic, which latches, locks, the second fixing piece 2 is embedded
In third groove 18, that is to say, that when magnetic lock is mounted on packing case, after lock locking, the one of the first connector 3
Side surface is in contact with wall box outer surface, and the first connector 3 can so be preferably bonded with cabinet, it is not easy to by
The influence of external force and destroy.
Magnetic lock of the invention, as shown in Fig. 1 to 2, it may also is that institute on the basis of the technical solution described in front
It states the first connector 3 and described first fixing piece, 1 one end is provided with hand-held part 13, described 13 one end of hand-held part and described first
The junction of 3 one end of connector is chamfering structure, and chamfering structure is rounding off, facilitates people that the first connector 3 is lifted reality
Safety pin 4 is now destroyed simultaneously and releases the connection relationship of the first connector 3 and the second fixing piece 2, this scheme is also possible that
The symmetrical protrusion of two sides setting of first connector 3, auxiliary are unlocked.
Magnetic lock of the invention, as shown in Fig. 2, it may also is that described on the basis of the technical solution described in front
One side surface of the second reinforcing member 10, which corresponds to, offers the second through-hole 14 at 7 position of card hole, second through-hole 14 is useless
Expect channel, after safety pin 4 is destroyed, has some waste materials and slid by the second through-hole 14, the repetition for increasing magnetic lock makes
With rate.
Magnetic lock of the invention, as shown in Fig. 2, it may also is that described on the basis of the technical solution described in front
Safety pin 4 includes shackle member 15 and baffle 16, and the shackle member 15 is connect with the baffle 16 by the second connector 17, described
Second connector, 17 one end is connect with the shackle member 15 by indentation line, 17 other end of the second connector and the baffle
16 1 side surfaces are fixedly connected, and second connector 17, which passes through the first through hole 6, makes the shackle member 15 and the card hole 7
Disposable clamping, the baffle 16 are embedded in first groove 5, and baffle 16 is not convex in the outer surface of the first connector 3
The part got up lifts hand-held part 13 when unlocking, and makes the first connector 3 along the junction with the first fixing piece 2 to separate
The fold of second fixing piece, 2 direction realizes unlocking and safety pin at this point, the shackle member 15 of safety pin 4 is separated with the second connector 17
4 destruction carries out simultaneously, facilitates operation, and two functions are played in an operation.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of magnetic lock, it is characterised in that: including the first fixing piece (1), the second fixing piece (2), the first connector (3) and
Safety pin (4), described first connector (3) one end are flexibly connected with described first fixing piece (1) one end, first connector
(3) one side surfaces are detachably connected with (2) one side surface of the second fixing piece, and the first connector (3) outer surface opens up
Have the first groove (5), the first groove (5) bottom offers first through hole (6), the second fixing piece (2) outer surface pair
It answers and is offered card hole (7) at first through hole (6) position, described safety pin (4) one end passes through the first through hole (6) and the card
Hole (7) is disposably clamped, and safety pin (4) other end is embedded in first groove (5).
2. magnetic lock according to claim 1, it is characterised in that: described first connector (3) one end and described first
Fixing piece (1) is hinged or is connected by interconnecting piece, (3) one side surface of the first connector and second fixing piece (2) one
Side surface is connected by magnetic box and pin (8).
3. magnetic lock according to claim 2, it is characterised in that: the magnetic lock further includes the first reinforcing member (9)
With the second reinforcing member (10), (9) one side surface of the first reinforcing member and a side surface of first fixing piece (1) are detachable
Formula clamping, (10) one side surface of the second reinforcing member and (2) the one detachable clamping in side surface of the second fixing piece, it is described
For second fixing piece (2) far from offering the second groove (11) on a side surface of second reinforcing member (10), the magnetic is public
The female thread of female thread (8) is fixed in second groove (11), and first connector (3) is towards second fixing piece
(2) pin thread of magnetic box and pin (8) is fixedly installed on a side surface in direction, pin thread and female thread are in second groove (11)
Interior connection, the open end of the card hole (7) be arranged on the second fixing piece (2) outer surface and with second groove (11)
It is ipsilateral.
4. magnetic lock according to claim 3, it is characterised in that: first reinforcing member (9) connects close to described first
Fitting (3) one end is connect with (1) one side surface of the first fixing piece by the first connecting plate (12), first connecting plate
(12) one end and described first reinforcing member (9) one end are hinged, and the other end is fixedly connected with described first fixing piece (1) one end.
5. magnetic lock according to claim 4, it is characterised in that: first connector (3) and described first is fixed
Part (1) one end is connected by interconnecting piece, and the interconnecting piece is silica gel.
6. magnetic lock according to claim 5, it is characterised in that: first fixing piece (1) and described first is reinforced
Part is provided with magnet between (9).
7. magnetic lock according to claim 6, it is characterised in that: first connector (3) is recessed far from described first
It is provided on one side surface of slot (5) third groove (18), third groove (18) shape and second fixing piece (2) are outside
Shape is adapted, and the pin thread of the magnetic box and pin (8) is arranged in third groove (18) bottom, the first through hole (6)
Outlet end is located on the bottom surface of the third groove (18).
8. magnetic lock according to claim 7, it is characterised in that: first connector (3) is solid far from described first
Determine part (1) one end to be provided with hand-held part (13), the junction of described hand-held part (13) one end and described first connector (3) one end
For chamfering structure.
9. magnetic lock according to claim 8, it is characterised in that: a side surface of second reinforcing member (10) is corresponding
The second through-hole (14) are offered at card hole (7) position.
10. magnetic lock according to claim 9, it is characterised in that: the safety pin (4) includes shackle member (15) and gear
Plate (16), the shackle member (15) are connect with the baffle (16) by the second connector (17), second connector (17)
One end is connect with the shackle member (15) by indentation line, the second connector (17) other end and the baffle (16) side
Surface is fixedly connected, and second connector (17), which passes through the first through hole (6), makes the shackle member (15) and the card hole
(7) disposable clamping, the baffle (16) are embedded in first groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278075.9A CN109878893B (en) | 2019-04-08 | 2019-04-08 | Magnetic catch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278075.9A CN109878893B (en) | 2019-04-08 | 2019-04-08 | Magnetic catch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109878893A true CN109878893A (en) | 2019-06-14 |
| CN109878893B CN109878893B (en) | 2021-05-18 |
Family
ID=66936477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910278075.9A Active CN109878893B (en) | 2019-04-08 | 2019-04-08 | Magnetic catch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109878893B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102440484A (en) * | 2010-10-12 | 2012-05-09 | 吴烈师 | Improved magnetic button |
| CN204889034U (en) * | 2015-05-01 | 2015-12-23 | 乐志明康（天津）文教用品有限公司 | Avoid pencil box that stationery scatters |
| CN109455401A (en) * | 2018-12-24 | 2019-03-12 | 北京撕得物流技术有限公司 | A kind of anti-theft components for packing case |
-
2019
- 2019-04-08 CN CN201910278075.9A patent/CN109878893B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102440484A (en) * | 2010-10-12 | 2012-05-09 | 吴烈师 | Improved magnetic button |
| CN204889034U (en) * | 2015-05-01 | 2015-12-23 | 乐志明康（天津）文教用品有限公司 | Avoid pencil box that stationery scatters |
| CN109455401A (en) * | 2018-12-24 | 2019-03-12 | 北京撕得物流技术有限公司 | A kind of anti-theft components for packing case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109878893B (en) | 2021-05-18 |
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