The content of the invention
The purpose of the present invention is overcoming the deficiencies of the prior art and provide a kind of antitheft exhibition case of stealthy strip of paper used for sealing, for solving to win
Thing shop showpiece go out exhibition exhibition case seal bar the problem of, and solves the problems, such as museum exhibits go out put on display it is antitheft.
The technical solution adopted in the present invention is:The stealthy antitheft exhibition case of strip of paper used for sealing, include translucent cover, base, strip of paper used for sealing and
Locked strip device, base are connected with locked strip device;Translucent cover is equipped with lower frid, and strip of paper used for sealing is arranged on the lower frid of translucent cover, base
Above plate be equipped with seal groove and theft-proof box, theft-proof box is made of steel plate, and top panel is equipped with installing port, and theft-proof box is installed on peace
Mouth is filled, theft-proof box is fixedly connected with installing port, and theft-proof box is equipped with pilferproof closure and theftproof lock, and pilferproof closure is hinged with theft-proof box, is prevented
The jam plate hole for stealing jam plate through the plate above base of lid is connected with theftproof lock, is locked pilferproof closure and top panel using theftproof lock
Together, for being locked showpiece in theft-proof box using theftproof lock;Theft-proof box is equipped with lifter plate, lifting screw hole and lifting bolt,
Lifter plate is fixedly connected with lifting bolt, and lifting bolt is connected with lifting screw hole;Locked strip device include pen container, marking pen,
Pen container lid and sealing tape lock, marking pen are arranged in pen container, and pen container lid is connected with pen container, and sealing tape lock is connected with pen container lid;Base is set
There is a hole, pen container is connected with a hole, the marking pen in pen container is contacted through a hole with the strip of paper used for sealing being attached on lower frid;It is transparent
Cover is made of transparent material, and transparent material includes glass and organic glass.
In order to implement the exhibition of the antitheft exhibition case of stealthy strip of paper used for sealing and anti-theft feature, showpiece is set to be stored in the non-exhibition time anti-
Steal in case, it is necessary to when puting on display, showpiece is risen to outside theft-proof box and is put on display, the lifter plate initial position of theft-proof box is:Lifting
Plate is located at the bottom of theft-proof box, and showpiece is put on lifter plate, is locked showpiece in theft-proof box using theftproof lock;Lifting bolt is equipped with
Turntable, turntable are fixedly connected with lifting bolt, and turntable is used to rotate lifting bolt, controls the lifting of lifter plate;Above base
Plate is equipped with gate slot, and when the pilferproof closure of theft-proof box is opened, pilferproof closure is opened and swung in gate slot, avoids pilferproof closure from hindering translucent cover to move
It is dynamic, and the sight for avoiding pilferproof closure from blocking showpiece;Using board placing showpiece is lifted, implement the exhibition of showpiece and antitheft guarantor
Deposit.
The application method of the antitheft exhibition case of stealthy strip of paper used for sealing is:Strip of paper used for sealing is attached on the lower frid of translucent cover first, is opened antitheft
After the theftproof lock of case, the pilferproof closure of theft-proof box is opened, pilferproof closure is swung in the gate slot of base;Then by the lower frid of translucent cover
In the seal groove of inserted base, mobile translucent cover, makes the lower frid of translucent cover be moved along the seal groove of base, makes under translucent cover
Opening is connected with plate closing above base;Translucent cover is moved into place with when plate closing connects above base, being attached to lower frid
On strip of paper used for sealing be moved in face of the position in a hole for top panel;Strip of paper used for sealing on lower frid is moved in face of the position in a hole for top panel
Postpone, rotate the turntable of theft-proof box, lifting bolt follows turntable and rotates, and is risen using lifting bolt driving lifter plate, makes liter
Showpiece on drop plate is risen in the near closed hollow ring being made of base and translucent cover, when lifter plate rises to plate above base,
Stop operating the turntable of lifting bolt;Lifter plate is risen to above base after plate, and the nib of marking pen is placed in pen upwards
In cylinder, marking pen is enclosed in pen container using pen container lid, using the locking bolt of key turns sealing tape lock, makes locking bolt insertion pen container lid
In locking closure hole, pen container cover lock is lived using sealing tape lock, marking pen is enclosed in pen container using pen container lid, if without key, pen
Cover cannot be opened at will;When the non-stealthy antitheft exhibition case administrative staff of strip of paper used for sealing, which move, opens translucent cover, it is attached on lower frid
Strip of paper used for sealing follows translucent cover to move, and the marking pen contacted with strip of paper used for sealing will draw a mark line in mobile strip of paper used for sealing, for representing
The stealthy antitheft exhibition case of strip of paper used for sealing is illegally opened;After exhibition, the stealthy antitheft exhibition case administrative staff of strip of paper used for sealing need to open stealthy envelope
Bar it is antitheft exhibition case when, first with key open sealing tape lock, the locking bolt of sealing tape lock is left the locking closure hole of pen container lid, then by pen container lid
Unscrew, marking pen is taken out, then move translucent cover, avoid marking pen from drawing a mark line on strip of paper used for sealing;After translucent cover is opened,
Opposite direction rotates the turntable of lifting bolt, and lifting bolt driving lifter plate declines, and the showpiece on lifter plate is dropped to theft-proof box
It is interior, when lifter plate drops to the bottom of base, the turntable for the lifting bolt that stops operating;Showpiece on lifter plate drops to base
Behind bottom, opposite direction movement translucent cover, makes the lower frid of translucent cover be moved along the seal groove of base, translucent cover is left base;
After translucent cover leaves base, the pilferproof closure of theft-proof box is closed, using the theftproof lock of theft-proof box by pilferproof closure and theft-proof box and bottom
Seat locks together;Solve the showpiece strip of paper used for sealing problem of management that either precious exhibit is put on display solve showpiece or precious exhibit put on display with
And antitheft problem.
The beneficial effects of the invention are as follows:The stealthy antitheft exhibition case of strip of paper used for sealing includes translucent cover, base, strip of paper used for sealing and locked bar dress
Put, theft-proof box is equipped with pilferproof closure and theftproof lock, and locked strip device includes pen container, marking pen, pen container lid and sealing tape lock;Exhibition
When product put on display, showpiece will be raised to the enclosed type that is made of translucent cover and base using the lifting bolt of theft-proof box and lifter plate
Intracavitary, marking pen is pinned in pen container, strip of paper used for sealing is attached on the lower frid of translucent cover, strip of paper used for sealing is stashed using sealing tape lock;
When translucent cover is illegally opened, the marking pen in pen container is in drawing integral mark line on strip of paper used for sealing, for supervising and managing natural science
The exhibition of shop showpiece, avoids common strip of paper used for sealing from influencing the sight of visitor, and the image appearance for avoiding strip of paper used for sealing from influencing exhibition case, solves
The outgoing exhibition of museum exhibits seals the problem of bar;When showpiece does not put on display, multiply load exhibition using lifting bolt control lifter plate
Product drop in theft-proof box, are locked showpiece in theft-proof box using theftproof lock and pilferproof closure.
Embodiment
The present invention is further detailed below in conjunction with the accompanying drawings:
Fig. 1 shown in the left view and Fig. 3 of Fig. 1 shown in the antitheft structure diagram for opening up case of stealthy strip of paper used for sealing as shown in Figure 1, Fig. 2
Top view;The stealthy antitheft exhibition case of strip of paper used for sealing, includes translucent cover 1, base 2, strip of paper used for sealing 3 and locked strip device 4, base 2 and lock
Sealing arrangement 4 connects;Translucent cover 1 is equipped with lower frid 5, and strip of paper used for sealing 3 is arranged on the lower frid 5 of translucent cover 1, and plate 6 is equipped with above base 2
Seal groove 7 and theft-proof box 8, theft-proof box 8 are made of steel plate, and top panel 6 is equipped with installing port 9, and theft-proof box 8 is installed on installing port 9,
Theft-proof box 8 is fixedly connected with installing port 9, and theft-proof box 8 is equipped with pilferproof closure 10 and theftproof lock 11, and pilferproof closure 10 is cut with scissors with theft-proof box 8
Connect, the jam plate hole 13 of jam plate 12 through the plate 6 above base 2 of pilferproof closure 10 is connected with theftproof lock 11, will using theftproof lock 11
Pilferproof closure 10 is locked together with top panel 6, for being locked showpiece 14 in theft-proof box 8 using theftproof lock 11;Theft-proof box 8, which is equipped with, to be risen
Drop plate 15, lifting screw hole 16 and lifting bolt 17, lifter plate 15 are fixedly connected with lifting bolt 17, lifting bolt 17 and lifting
Screw hole 16 connects;Locked strip device 4 includes pen container 18, marking pen 19, pen container lid 20 and sealing tape lock 21, and marking pen 19 is arranged on
In pen container 18, pen container lid 20 is connected with pen container 18, and sealing tape lock 21 is connected with pen container lid 20;Base 2 is equipped with a hole 22, pen container 18 with
Hole 22 connects, and the marking pen 19 in pen container 20 is contacted through a hole 22 with the strip of paper used for sealing 3 being attached on lower frid 5;Translucent cover 1
It is made of transparent material, transparent material includes glass and organic glass.
In order to implement the exhibition of the antitheft exhibition case of stealthy strip of paper used for sealing and anti-theft feature, showpiece 14 is set to be stored in the non-exhibition time
In theft-proof box 8, it is necessary to when puting on display, showpiece 14 is risen to outside theft-proof box 8 and is put on display, the lifter plate 15 of theft-proof box 8 it is initial
Position is:Lifter plate 15 is located at the bottom 23 of theft-proof box 8, and showpiece 14 is put on lifter plate 15, using theftproof lock 11 by showpiece 14
Lock is in theft-proof box 8;Lifting bolt 17 is equipped with turntable 24, and turntable 24 is fixedly connected with lifting bolt 17, and turntable 24 is used to rotate
Lifting bolt 17, controls the lifting of lifter plate 15;Plate 6 is equipped with gate slot 25 above base 2, and the pilferproof closure 10 of theft-proof box 8 is opened
When, pilferproof closure 10 can be opened and swung in gate slot 25, avoid pilferproof closure 10 from hindering translucent cover 1 to move, and avoid pilferproof closure 10
Block the sight of showpiece 14;Showpiece 14 is put using lifter plate 15, implements the exhibition of showpiece 14 and antitheft preservation.
In order to avoid showpiece 14 of damaging, bottom 23, periphery 26 and pilferproof closure 10 in theft-proof box 8 are equipped with protective sponge
27, for protecting the showpiece 14 in theft-proof box 8.
In order to implement the lifting of lifter plate 15, the size of lifter plate 15 is less than the size of the installing port 9 of top panel 6, antitheft
The horizontal cross section dimension of the interior cavity 28 of case 8 is more than the size of lifter plate 15, to ensure that lifter plate 15 can be in the inner mold of theft-proof box 8
Chamber 28 lifts;Lifter plate 15 is equipped with lifting groove 30, and lifting groove 30 is cylinder, and lifting bolt 17 is equipped with lifting column 31, lifting column
31 be cylinder, and lifting bolt 17 is fixedly connected equipped with lifting column 31, lifting column 31 and the dynamic mating connection of lifting groove 30.
In order to avoid showpiece 14 makes moist, the lower frid 5 of translucent cover 1 is tightly connected with the seal groove 6 of base 2, base 2 it is close
Sealing groove 6 is equipped with band 32, and band 32 is located between the lower frid 5 of translucent cover 1 and the seal groove 6 of base 2, reduces or keep away
Exempt from external humidification air to enter in the near closed hollow ring 34 being made of translucent cover 1 and base 2.
In order to avoid strip of paper used for sealing 3 and the seal groove 7 of base 3 rub, the lower frid 5 of translucent cover 1 is equipped with strip of paper used for sealing groove 35, strip of paper used for sealing
Groove 35 is located at the back side 36 of lower frid 5, and strip of paper used for sealing 3 is attached in strip of paper used for sealing groove 35, and marking pen 8 is located at the opposite of strip of paper used for sealing 3.
A mark line is drawn in order to be implemented on strip of paper used for sealing 3, implements the Elastic Contact of marking pen 19 and strip of paper used for sealing 3;Base 2
Hole 22 is arranged on plate 6 above base 2, and 22 position of a hole of top panel 6 is equipped with upper connecting hole 37, a hole 22 and upper connecting hole 37
Connection, pen container 18 are fixedly connected with upper connecting hole 37, and pen container 18 is equipped with lower connecting hole 38, and pen container lid 20 is fixed with lower connecting hole 38
Connection, marking pen 19 are located in pen container 18, and the nib 40 of marking pen 19 is upward, and nib 40 passes through upper connecting hole 37 and a hole 22
Contacted with the strip of paper used for sealing 3 in strip of paper used for sealing groove 35;Pen container 18 is equipped with spring 39, spring 39 between marking pen 19 and pen container lid 20,
In order to implement being fixedly connected for locked strip device 4 and base 3, the upper connecting hole 37 of base 2 is threaded hole, and pen container 18 is equipped with
External screw thread, pen container 18 are fixedly connected by its external screw thread with the threaded hole of upper connecting hole 37, and with adhesive bonding, under pen container 17
End is equipped with threaded hole, and pen container lid 20 is equipped with external screw thread, and pen container lid 20 is fixedly connected by its external screw thread with the threaded hole of pen container 18;
The side panel 41 of base 2 is equipped with dress lockhole 42, and pen container 18 is equipped with locking bolt hole 43, and pen container lid 20 is equipped with locking closure hole 44, sealing tape lock 21
It is installed on dress lockhole 42, the locking bolt 45 of sealing tape lock 21 passes through the locking bolt hole 43 of pen container 18, and the locking bolt 45 of sealing tape lock 21 is directed at pen
The locking closure hole 44 of cover 20.
In order to prompt visit personnel not open translucent cover 1, the lower frid 5 of translucent cover 1 is equipped with to forbid opening above and marks
33, the antitheft exhibition case of stealthy strip of paper used for sealing cannot at will be opened by alerting the antitheft exhibition case non-management employee of stealthy strip of paper used for sealing.
The application method of the antitheft exhibition case of stealthy strip of paper used for sealing is:Strip of paper used for sealing 3 is attached on the lower frid 5 of translucent cover 1 first, is opened anti-
After the theftproof lock 11 for stealing case 8, the pilferproof closure 10 of theft-proof box 8 is opened, pilferproof closure 11 is swung in the gate slot 25 of base 2;Then will
In the seal groove 7 of 5 inserted base 2 of lower frid of translucent cover 1, mobile translucent cover 1, makes the lower frid 5 of translucent cover 1 along base 2
Seal groove 7 moves, and the under shed 29 and the closing of plate 6 above base 2 for making translucent cover 1 connect;Translucent cover 1 is moved into place and base
Above 2 during the closing of plate 6 connection, the strip of paper used for sealing 3 being attached on lower frid 5 is moved in face of the position in a hole 22 for top panel 6;Lower groove
Strip of paper used for sealing 3 on plate 5 is moved to behind the position in a hole 22 for top panel 6, rotates the turntable 24 of theft-proof box 8, lifting bolt 17
Follow turntable 24 and rotate, using lifting bolt 17 drive lifter plate 15 rise, make the showpiece 14 on lifter plate 15 rise to by
In the near closed hollow ring 34 that base 2 is formed with translucent cover 1, when lifter plate 15 rises to plate 6 above base 2, stop operating lifting
The turntable 24 of bolt 17;Lifter plate 15 is risen to above base 2 after plate 6, and the nib 40 of marking pen 19 is placed in pen upwards
In cylinder 18, marking pen 19 is enclosed in pen container 18 using pen container lid 20, using the locking bolt 45 of key turns sealing tape lock 21, makes locking bolt
In the locking closure hole 44 of 45 insertion pen container lids 20, pen container lid 20 is pinned using sealing tape lock 21, using pen container lid 20 by marking pen 19
It is enclosed in pen container 18, if without key, pen container lid 20 cannot be opened at will;When the non-stealthy antitheft exhibition case administrative staff of strip of paper used for sealing move
During dynamic opening translucent cover 1, the strip of paper used for sealing 3 being attached on lower frid 5 follows translucent cover 1 to move, and the marking pen 19 contacted with strip of paper used for sealing 3 will
A mark line is drawn in mobile strip of paper used for sealing 3, for representing that the antitheft exhibition case of stealthy strip of paper used for sealing is illegally opened;It is hidden after exhibition
When the antitheft exhibition case administrative staff of shape strip of paper used for sealing need to open stealthy strip of paper used for sealing antitheft exhibition case, sealing tape lock 21 first is opened with key, makes strip of paper used for sealing
The locking bolt 45 of lock 21 leaves the locking closure hole 44 of pen container lid 20, then unscrews pen container lid 20, marking pen 19 is taken out, then mobile saturating
Bright cover 1, avoids marking pen 19 from drawing a mark line on strip of paper used for sealing 3;After translucent cover 1 is opened, opposite direction rotates lifting bolt 17
Turntable 24, lifting bolt 17 drive lifter plate 15 decline, the showpiece 14 on lifter plate 15 is dropped in theft-proof box 8, lift
When plate 15 drops to the bottom 23 of base 2, the turntable 24 for the lifting bolt 17 that stops operating;Showpiece 14 on lifter plate 15 drops to
Behind the bottom 23 of base 2, opposite direction movement translucent cover 1, makes the lower frid 5 of translucent cover 1 be moved along the seal groove 7 of base 2, makes
Bright cover 1 leaves base 2;After translucent cover 1 leaves base 2, the pilferproof closure 10 of theft-proof box 8 is closed, utilizes the theftproof lock 11 of theft-proof box 8
Pilferproof closure 10 and theft-proof box 8 and base 2 are locked together;The strip of paper used for sealing 3 that showpiece 14 or precious exhibit 14 are put on display is solved to manage
Problem, solves the problems, such as showpiece 14 or precious exhibit 14 is put on display and antitheft.
In order to control the lifting of lifter plate 15, implement the exhibition of showpiece 14 and antitheft preservation;The length of lifting bolt 17
The stroke risen more than or equal to lifter plate 15, the depth of theft-proof box 8 are more than the stroke that lifter plate 15 rises;Lifting bolt 17
Turntable 24 when rotating counterclockwise, lifter plate 15 rises, and when turntable 24 rotates clockwise, lifter plate 15 declines.
The application method of the antitheft exhibition case of stealthy strip of paper used for sealing is:When needing to put on display showpiece 14, lifting spiral shell is rotated counterclockwise
The turntable 24 of bolt 17, lifting bolt 17 are rotated and risen counterclockwise, and the lifting column 31 of lifting bolt 17 follows lifting spiral shell
Bolt 17 rotates counterclockwise, and lifting column 31 in the lifting groove 30 of lifter plate 15 in rotating, with constantly turning for lifting column 31
Dynamic, lifter plate 15 follows lifting bolt 17 constantly to rise in the interior cavity 28 of theft-proof box 8, and lifter plate 15 rises to the upper of base 2
Panel stops behind 6 position;Showpiece 14, which is put on display, to be finished, it is necessary to when antitheft, the turntable 24 for the lifting bolt 17 that moves in the direction of the clock,
Lifting bolt 17 moves in the direction of the clock and declines, and the lifting column 31 of lifting bolt 17 follows lifting bolt 17 by side clockwise
To rotation, lifting column 31 in the lifting groove 30 of lifter plate 15 in rotating, and continuous with lifting column 31 rotates, and lifter plate 15 follows
Lifting bolt 17 constantly declines in the interior cavity 28 of theft-proof box 8, and lifter plate 15 stops after dropping to 23 position of bottom of theft-proof box 8
Only;So constantly circulation.
The application method of the antitheft exhibition case of stealthy strip of paper used for sealing is:After marking pen 19 is placed in pen container 18, by the outer of pen container lid 20
Screw thread is connected with the threaded hole of pen container 18, when pen container lid 20 is rotated in place, dress lockhole 42, the pen container 18 of the side panel 41 of base 2
Locking bolt hole 43 and pen container lid 20 locking closure hole 44 center line it is identical;In order to implement using lifter plate 15 multiply carry showpiece 14 into
Go out theft-proof box 8, the axis of the lifting groove 30 of lifter plate 15, lifting bolt 17 and lifting column 31 is identical.
In order to avoid other people take out the marking pen 19 in pen container 18, the aperture in a hole 22 for plate 6 is less than above base 2
19 outside diameter of marking pen, prevents marking pen 19 from being taken out by a hole 22, and the aperture in a hole 22 is more than the outside diameter of 19 nib 40 of marking pen,
The nib 40 of marking pen 19 can pass through a hole 22 for top panel 6 to be contacted with strip of paper used for sealing 3;Pen container 18 and the upper connecting hole 37 of base 2 connect
After connecing, the upper connecting hole 37 of base 2, a hole 22, the center line of pen container 18 and pen container lid 20 are identical, upper connecting hole 37, a hole
22 and pen container 18 shape for circle.
In order to implement the Elastic Contact of marking pen 19 and strip of paper used for sealing 3, translucent cover 1 with after the closing connection of base 2, pen container lid 20 with
Pen container 18 is connected through a screw thread, and the spring 39 of pen container 18 is compression spring, and when pen container lid 20 is rotated in place, spring 39 is in and is pressed
Contracting state, the nib 40 of marking pen 19 and 3 Elastic Contact of strip of paper used for sealing, the nib 40 of marking pen 19 is in depicting a word on strip of paper used for sealing 3
Point, strip of paper used for sealing 3 first cover management seal before the strip of paper used for sealing groove 35 of lower frid 5 is attached to.
It is connected to implement translucent cover 1 with the closing of base 3, the seal groove 7 of base 2 includes preceding seal groove 46, rear close
Sealing groove 47 and left seal groove 48, translucent cover 1 are made of the cover 49 and lower frid 5, lower frid 5 include front lower frid 50, after
Lower frid 51, lower-left frid 52 and bottom right frid 53, during the seal groove 7 of 5 inserted base 2 of lower frid of translucent cover 1, front lower groove
Plate 50 is inserted into preceding seal groove 46, and seal groove 47 after lower frid 51 is inserted into afterwards, front lower frid 50 is moved along preceding seal groove 46, descends groove afterwards
Plate 51 is moved along rear seal groove 47;When translucent cover 1 is moved into place, lower-left frid 52 is inserted into left seal groove 48, bottom right frid
53 are moved to 54 position of notch of the gate slot 25 of base 2, when lower-left frid 52 is inserted into left seal groove 48, the right side of translucent cover 1
The closing of notch 54 of lower frid 53 and gate slot 25 connects, and seal 55 is equipped between bottom right frid 53 and the notch 54 of gate slot 25,
Seal 55 is fixedly connected with bottom right frid 53, and seal 55 and the closing of notch 54 of gate slot 25 connect, translucent cover 1 and base 2
Closing connection.
Be connected to implement translucent cover 1 with the closing of base 3, and pilferproof closure 11 do not influence translucent cover 1 opening and
Close, the cover 49 of translucent cover 1, front lower frid 50, rear lower frid 51, lower-left frid 52 and bottom right frid 53 by one material
Material is formed;Strip of paper used for sealing groove 35 is arranged on front lower frid 50;The horizontal sectional area of base 2 is more than the horizontal sectional area of translucent cover 1, to protect
Card showpiece 14 can be closed in the near closed hollow ring 34 that translucent cover 1 is formed with base 2;When translucent cover 1 is connected with the closing of base 2, prevent
The distance for the right flaring 57 that the hinge shaft 56 for stealing lid 11 arrives translucent cover 1 arrives the distance of hinge shaft 56 more than the jam plate 12 of pilferproof closure 11, with
Ensure that pilferproof closure 11 can be opened in the near closed hollow ring 34 that translucent cover 1 and base 2 are formed.
Showpiece 14 needs when taking out in the near closed hollow ring 34 that translucent cover 1 and base 2 are formed, first to rotate lifting bolt 17
Turntable 24, drives lifter plate 15 to multiply the bottom 23 for carrying showpiece 14 and dropping to theft-proof box 8 using lifting bolt 17;On lifter plate 15
After showpiece 14 drops to the bottom 23 of theft-proof box 8, the sealing tape lock 21 of locked strip device 4 is opened using key, by marking pen 19 in
Taken out in pen container 18;Marking pen 19 pushes away translucent cover 1 and moves right after being taken out in pen container 18,50 edge of front lower frid of translucent cover 1
The preceding seal groove 46 of base 2 moves right, and the rear lower frid 51 of translucent cover 1 moves right along seal groove 47 after base 2, makes transparent
Cover 1 leaves base 2;After translucent cover 1 leaves base 2, by showpiece 14 in taking-up in theft-proof box 8.
In order to avoid strip of paper used for sealing 3 and the seal groove 7 of base 3 rub, strip of paper used for sealing 3 in strip of paper used for sealing groove 35 is attached to downwards, envelope
The slot bottom of bar groove 35 is parallel with the front lower frid 50 of translucent cover 1, and front lower frid 50 is parallel with the preceding seal groove 46 of base 2, envelope
Bar 3 is parallel with plate 6 above base 2, and 35 depth of strip of paper used for sealing groove is more than the thickness of strip of paper used for sealing 3, the seal groove 7 of strip of paper used for sealing 3 and top panel 6
In contactless state, the seal groove 7 and strip of paper used for sealing 3 for avoiding top panel 6 rub.