CN205840697U - The cold-proof antitheft sealed door of wedge shape - Google Patents
The cold-proof antitheft sealed door of wedge shape Download PDFInfo
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- CN205840697U CN205840697U CN201620697736.3U CN201620697736U CN205840697U CN 205840697 U CN205840697 U CN 205840697U CN 201620697736 U CN201620697736 U CN 201620697736U CN 205840697 U CN205840697 U CN 205840697U
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Abstract
A kind of cold-proof antitheft sealed door of wedge shape, the theftproof performance solving prior art existence is poor, and sealed dustproof and heat insulation effect are bad, the problem of heating of house serious waste of resources.Including doorframe, door leaf, hinge, peephole and door lock, it is characterized in that: door leaf is by the composite and carved plate of the solid wood of inner side, the cold-proof cement board in outside and the aluminium silicate wool composition of central filler；Double crisperding structure seamings of leaf lock side match with the outside frame peace straight overlap joint frame of doorframe respectively, and the indent seaming of leaf lock side is engaged frame with the protrusion of doorframe and matches, and the groove that leaf lock side is arranged matches with the chimb of doorframe；The crisperding seaming of door leaf hinge side matches with the outside frame of doorframe hinge side, and the anti-convex seaming of door leaf hinge side matches with the indent frame of doorframe hinge side.Its compact conformation, reasonable in design, door body intensity is high, and theftproof performance is good, and sealed dustproof and heat insulation effect are obvious, it is to avoid the waste of heating of house resource, energy-conserving and environment-protective.
Description
Technical field
This utility model belongs to window technology field, is specifically related to a kind of antitheft door, particularly one and is applicable to ground, the north
Territory cold snap, takes into account warming function, good leak tightness while antitheft, and ornamental strong wedge shape is cold-proof antitheft airtight
Door.
Background technology
The simple right angle that the doorframe of the antitheft door of prior art is made up of inner side edge, outer side edges and rib mostly partly encloses
Close frame structure, be body of wall, this kind of doorframe and the fit system of door leaf inside framework, after once doorframe is destroyed, door leaf and door
Due to the structure not being connected between frame, lack the protection of necessity so that robber can select to destroy doorframe thus quick
Pull down the hinge hinge of door leaf and doorframe junction, hence into indoor.Further, existing antitheft door due to door leaf and doorframe it
Between there is gap, airtight performance is poor, and cold-proof is not enough, is not suitable for that north dust storm in spring is big, arctic weather situation in winter,
Resident family is made to enjoy noise and leak out and wait puzzlement, although with adhesive tape or cotton crack between a door and its frame gap to be stained with or filled in and can play certain delaying
Solution effect, but effect is extremely limited, and affect attractive in appearance, cleaning difficulty.
Prior art, by simply enclosing the doorframe framework that structure is formed, makes doorframe and door leaf junction lack the anti-of necessity
Protection structure and gap are relatively big, and theftproof performance is poor, and sealed dustproof and heat insulation effect are bad, heating of house serious waste of resources, therefore has
The necessary antitheft door to prior art improves.
Utility model content
This utility model is aiming at the problems referred to above, it is provided that one is applicable to the northern region cold snap, antitheft same
Time take into account warming function, good leak tightness, the ornamental strong cold-proof antitheft sealed door of wedge shape.
This utility model be the technical scheme is that the cold-proof antitheft sealed door of this wedge shape includes doorframe, door leaf, hinge,
Peephole and door lock, be characterized in that: described door leaf by the composite and carved plate of the solid wood of inner side, the cold-proof cement board in outside,
And the aluminium silicate wool composition filled between the composite and carved plate of solid wood and cold-proof cement board；Described doorframe cross section is in lock side
Being positioned at the one end outside door leaf is outside frame, and the flat segments that outside frame extends inside door leaf is with straight overlap joint frame even
Connecing, the shape of cross section of straight overlap joint frame is a right angle bending section；The end of straight overlap joint frame is engaged frame even with protruding
Connecing, the leading portion shape protruding occlusion frame cross section is also a right angle bending section, protrudes the back segment shape of occlusion frame cross section
For towards the U-shaped raised section outside door leaf, the end of U-shaped raised section extends to inside door leaf；The end of U-shaped raised section be positioned at
The inner side frame of door leaf inner opposite end intersects place, is provided with the chimb towards the composite and carved plate of the solid wood inside door leaf；Described
The outboard end of door leaf cross section lock side arranges double crisperding structure seaming, and the first crisperding seaming matches with outside frame flat segments,
Second crisperding seaming matches with the right-angle folding curved segment of the straight overlap joint frame of doorframe, the first crisperding seaming and the second crisperding seaming
Inner side is provided with sealing joint strip, and the middle part of leaf lock lateral section is provided with the indent seaming being connected with the second crisperding seaming, interior
The inside of recessed seaming is disposed with sealing joint strip, and indent seaming matches with the U-shaped raised section protruding occlusion frame of doorframe；Door leaf
The medial extremity of cross section lock side is provided with groove, and groove matches with the chimb of doorframe, is provided with sealing joint strip in groove；Described
It is outside frame that doorframe cross section is positioned at the one end outside door leaf in hinge side, the flat segments that outside frame extends inside door leaf
Being connected with door leaf by hinge, it is inner side frame that doorframe is positioned at door leaf inner opposite end, the outside frame of doorframe hinge side and inner side
It is provided with perpendicular with door leaf side, to concave towards body of wall side indent frame between frame, in indent frame, is provided with fluid sealant
Bar；The outside of described door leaf cross section hinge side is provided with crisperding seaming, and crisperding seaming matches with the flat segments of outside frame,
It is provided with sealing joint strip inside crisperding seaming；The medial end of door leaf cross section hinge side is provided with anti-convex seaming, anti-convex seaming
Match with the indent frame of doorframe；The door leaf side of hinge side and the sticking part of doorframe side, set along direction perpendicular to the ground
Being equipped with the fitted seal bar being made up of two sealing strips, two sealing strips are separately positioned on the side of door leaf and the side of doorframe.
The shape of cross section of the sealing strip that described fitted seal bar is arranged on door leaf side is convex, is arranged on doorframe side
The shape of cross section of sealing strip be matrix.The fitted seal bar that two sealing strips of male-female are formed, can obtain good
Sealed dustproof and heat insulation effect.
The cold-rolling galvanization steel plate that the material of described doorframe uses thickness to be 1.8mm.To strengthen the intensity of doorframe.
The thickness of the cold-proof cement board outside described door leaf is 15mm, the composite and carved plate of solid wood inside described door leaf
Thickness be 15mm.To increase intensity and the anti-folding and anti-pressing performance of door leaf, and promote the overall aesthetics of door leaf.
Described door lock is intelligent electric-controlled door lock, and intelligent electric-controlled door lock is provided with finger-print cipher device, bluetooth, card reader and intelligence
Can key.Unblanking carrying out finger print identifying, it is achieved come in and go out anti-invading, notice locking, close to waking up up, violence is unblanked the functions such as warning.
Described peephole is intelligence peephole, and intelligence peephole is provided with infrared night vision ultra wide-angle imaging head, phonetic alarm, hotness
Answer detecting instrument.To guarantee when not illuminating night, still can see visiting people clearly, and Auto-Sensing is taken pictures and images, prompt door
There is outward people.
The beneficial effects of the utility model: owing to this utility model uses by the composite and carved plate of solid wood of inner side, outside
The door leaf of the aluminium silicate wool composition of cold-proof cement board and central filler；Double crisperding structure seamings of leaf lock side respectively with
The outside frame flat segments of doorframe and the right-angle folding curved segment of straight overlap edge frame match, the indent seaming of leaf lock side and doorframe
The U-shaped raised section protruding occlusion frame match, the chimb of what the door medial end of leaf lock side was arranged groove and doorframe
Match；The crisperding seaming of door leaf hinge side matches with the outside frame of doorframe hinge side, the anti-convex seaming of door leaf hinge side
Match with the indent frame of doorframe hinge side；The door leaf side of hinge side and the sticking part of doorframe side are provided with fitted seal
The version of bar, so its compact conformation, reasonable in design, door body intensity is high, and theftproof performance is good, can effectively block air stream
Dynamic, sealed dustproof and heat insulation effect are obvious, it is to avoid the waste of heating of house resource, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the Fig. 1 sectional view along A A line.
Fig. 3 is the partial enlarged drawing locking side in Fig. 2.
Fig. 4 is the partial enlarged drawing of hinge side in Fig. 2.
Sequence number explanation in figure: 1 doorframe, 2 door leafs, 3 hinges, 4 peepholes, 5 door locks, the 6 composite and carved plates of solid wood, 7 cold-proof foaming
Cement plate, 8 aluminium silicate wools, frame inside 9,10 chimbs, 11 grooves, frame, 13 straight overlap joint frames, 14 first crisperdings outside 12
Seaming, 15 sealing joint strips, 16 second crisperding seamings, 17 indent seamings, 18 protrude occlusion frames, 19 anti-convex seamings, concave edge in 20
Frame, 21 crisperding seamings, 22 fitted seal bars.
Detailed description of the invention
Concrete structure of the present utility model is described in detail according to Fig. 1～4.The cold-proof antitheft sealed door of this wedge shape includes doorframe 1,
The door leaf 2 being connected with doorframe 1 by hinge 3, is arranged on the peephole 4 of door leaf 2 middle and upper part and is arranged on the door lock of door leaf 2 side
5, wherein door leaf 2 is by the composite and carved plate of the solid wood of inner side 6, the cold-proof cement board 7 in outside, and inner side solid wood is composite and carved
The aluminium silicate wool with good thermal stability and chemical stability 8 groups filled between the cold-proof cement board of plate 6 and outside 7
Become.Doorframe 1 cross section is in the lock side of door, and being positioned at the one end outside door leaf 2 is outside frame 12, and outside frame 12 is in door leaf 2
The flat segments that side extends is connected with straight overlap joint frame 13, and the shape of cross section of straight overlap joint frame 13 is a right angle bending section；
The end of straight overlap joint frame 13 is connected with protruding occlusion frame 18, and the leading portion protruding occlusion frame 18 shape of cross section is also
One right angle bending section, the back segment protruding occlusion frame 18 shape of cross section is towards the U-shaped raised section outside door leaf 2, U-shaped projection
The end of section extends to inside door leaf 2；The end of U-shaped raised section be positioned at door leaf 2 inner opposite end, right-angle bending shape
The place that intersects of side frame 9, is provided with towards the composite and carved plate of the solid wood inside door leaf 26 vertical with door leaf 2 surface convex
Limit 10.In order to match with the concrete shape of doorframe 1 cross section lock side, the outboard end of door leaf 2 cross section lock side arranges double crisperding
The seaming of version, double crisperding structure seamings are by inside and outside the first adjacently positioned crisperding seaming 14 and the second crisperding seaming 16 institute
Composition, the first crisperding seaming 14 matches with outside frame 12 flat segments of doorframe 1, and the second crisperding seaming 16 is flat with doorframe 1
The right-angle folding curved segment of straight overlap joint frame 13 matches, to strengthen the intensity of door body lock side theft-prevention structure；First crisperding seaming 14 He
That second crisperding seaming 16 matches with doorframe 1, be provided with sealing joint strip 15, two-layer sealing joint strip towards the one side inside door
15 effects playing dual sealed dustproof and insulation；Door leaf 2 is locked the middle part of lateral section and is provided with inside and is disposed with sealing joint strip 15
Indent seaming 17, indent seaming 17 is connected with the second crisperding seaming 16, and indent seaming 17 is engaged frame 18 with the protrusion of doorframe 1
U-shaped raised section match, realize antitheft intensity and prevent be engaged bridging arrangement by the interlocking of doorframe 1 and the convex-concave of door leaf 2
The lifting of sled performance.The door medial extremity of door leaf 2 cross section lock side is provided with groove 11, and groove 11 matches with the chimb 10 of doorframe 1
Close, and in groove 11, be provided with sealing joint strip 15, to block air flowing, preferably play antitheft and dust-proof insulating work
With.
It is outside frame that the cross section of the doorframe 1 being fixed on body of wall is positioned at the one end outside door leaf 2 in hinge 3 side of door
12, outside frame 12 is simple flat construction, and the flat segments that outside frame 12 extends inside door leaf 2 passes through hinge 3 and door
Fan 2 is connected, and it is inner side frame 9 that doorframe 1 is positioned at door leaf 2 inner opposite end, the outside frame 12 of doorframe 1 hinge 3 side and inner side frame 9
It is provided with the indent frame 20 perpendicular, that concave towards body of wall side with door leaf 2 side between two ends, is provided with close in indent frame 20
Seal strip 15.In order to match with the concrete shape of doorframe 1 cross section hinge 3 side, the outside of door leaf 2 cross section hinge 3 side sets
Being equipped with crisperding seaming 21, crisperding seaming 21 matches with the flat segments of outside frame 12, to strengthen door body hinge 3 side theft-prevention structure
Intensity；That crisperding seaming 21 matches with doorframe 1, the one side inside door is provided with sealing joint strip 15, play airtight anti-
Dirt and the effect of insulation；The medial end of door leaf 2 cross section hinge 3 side is provided with anti-convex seaming 19, anti-convex seaming 19 and doorframe 1
The indent frame 20 of hinge 3 side matches, it is achieved occlusion is closed in inner side, strengthens door body hinge 3 side theft-prevention structure intensity.
Door leaf 2 side of hinge 3 side and the sticking part of doorframe 1 side, be provided with fitted seal along direction perpendicular to the ground
Bar 22, fitted seal bar 22 is made up of two sealing strips of the side of the side and doorframe 1 that are separately positioned on door leaf 2.Coordinate
The shape of cross section of the sealing strip that sealing strip 22 is arranged on door leaf 2 side is convex, is arranged on the horizontal stroke of the sealing strip of doorframe 1 side
Cross sectional shape is matrix, the fitted seal bar 22 that two sealing strips of male-female are formed, it is possible to strengthen the airtight anti-of door body
Dirt and heat insulation effect.
In order to strengthen the intensity of the doorframe 1 being connected on body of wall, the material of doorframe 1 uses 1.8mm thickness cold-rolling galvanization steel plate.
In order to increase intensity and the anti-folding and anti-pressing performance of door leaf 2, promote the overall aesthetics of door leaf 2, outside door leaf 2
The thickness of cold-proof cement board 7 is 15mm, and the thickness of the composite and carved plate of solid wood 6 inside door leaf 2 is 15mm.
Unblanking to carry out finger print identifying, it is achieved come in and go out anti-invading, notice locking, close to waking up up, violence is unblanked the merits such as warning
Can, the door lock 5 of door leaf 2 side is intelligent electric-controlled door lock, arranges finger-print cipher device, bluetooth, card reader on intelligent electric-controlled door lock
And Intelligent key.
In the case of not illuminating at night, still can see face and the figure and features feature of visiting people clearly, and
Auto-Sensing is taken pictures and images, and has people outside prompt door, and the peephole 4 of door leaf 2 middle and upper part is intelligence peephole, arranges on intelligence peephole
Infrared night vision ultra wide-angle imaging head, phonetic alarm, thermoinduction detecting instrument.
During use, door leaf 2 is arranged on doorframe 1 by hinge 3, door leaf 2 lock inner side that the outboard end of side arranges with
First crisperding seaming 14 of double crisperding structure seamings of sealing joint strip 15, matches with outside frame 12 flat segments of doorframe 1, shape
Become ground floor straight overlap joint seaming district, strengthen door body structure intensity, play that ground floor is antitheft and sealed dustproof, insulation effect.With
The second crisperding seaming 16 adjacent inside first crisperding seaming 14, with the right-angle folding curved segment phase of the straight overlap joint frame 13 of doorframe 1
Coordinate, form the second layer straight overlap joint seaming district, strengthen door body theft-prevention structure intensity and play that the second layer is antitheft and sealed dustproof,
Insulation effect.The indent seaming 17 that the middle part of lateral section is connected locked with the second crisperding seaming 16 by door leaf 2, stings with the protrusion of doorframe 1
Matching in the U-shaped raised section closing frame 18, utilizes doorframe 1 to interlock with the convex-concave of door leaf 2 and be engaged overlap joint, form third layer occlusion knot
Arrange in the female of structure district, the antitheft intensity of door body and pick-proof performance boost to original 2 times, and door leaf 2 is U-shaped close
Seal strip 15, closely sealed with doorframe 1 bossing perfection, block air flowing.The inside that the door medial end of side is arranged locked by door leaf 2
It is disposed with the groove 11 of sealing joint strip 15, matches with the chimb 10 of doorframe 1, form the 4th floor convex-concave occlusion structure district, play
Air flowing is carried out secondary blocking-up, strengthens the effect of dust-proof insulating effect.
The crisperding seaming 21 with sealing joint strip 15 that the outside of door leaf 2-in-1 page 3 side is arranged, with doorframe 1 hinge 3 side outside
The flat segments of side frame 12 matches, and strengthens the intensity of door body hinge 3 side theft-prevention structure, plays the work of sealed dustproof and insulation
With.The anti-convex seaming 19 of the medial end of door leaf 2-in-1 page 3 side and the indent frame with sealing joint strip 15 of doorframe 1 hinge 3 side
20 match, it is achieved the closing occlusion inside door body, the version that this doorframe 1 indent, door leaf 2 are the most convex, it is ensured that at hinge 3
In the case of Bei Pohuai, door leaf 2 does not comes off yet, and enhances the theftproof performance of hinge 3 side.Further, door leaf 2 side of hinge 3 side
Face and the sticking part of doorframe 1 side are that arrange along direction perpendicular to the ground, by joining that the sealing strip of two male-female is formed
Close sealing strip 22, in use, enhance sealed dustproof and the heat insulation effect of door body hinge 3 side.
Owing to having of being filled with between the cold-proof cement board of the composite and carved plate of inner side solid wood 6 and outside 7 of door leaf 2 is good
Good heat stability and the aluminium silicate wool 8 of chemical stability, so the heat-insulating property of door body brings up to original 2 times.
Intelligent electric-controlled door lock uses SHP-DP728 type finger-print puzzle lock, is provided with plug-type handle, the most also has hands
Machine bluetooth, swipe the card and Intelligent key door opening function, it is also possible to the discrepancy record of inquiry household, SMS notification household go home.Intelligence
Peephole uses ZJA-M200 type peephole, receives storage with WIFI, and mobile phone A PP monitors in real time, and intelligent sound is reported to the police, and SOS is urgent
Phone, note are called for help, speech talkback function, and are provided with 170 ° of ultra-wide angle security protection photographic head of day and night type and high definition is highlighted
Display touch screen, clearly records the information of every visitor, and PIR thermoinduction is detected, and coverage 2M, breath light flash for prompting is outdoors
Someone, strengthen safety.
Use the cold-proof antitheft sealed door of this wedge shape, room conditioning electricity consumption 20%～30%, the ash on floor and furniture can be saved
Dirt also significantly reduces, and noise pollution can decline 50%～80%, and winter, can effectively save heating of house under the conditions of same heating
Resource, makes heat no longer waste, insulation, energy-conservation.
The cold-proof antitheft sealed door of this wedge shape not only can as the entry door of man of the northern region usual resident family, and due to its have
There is good airtight performance, it is also possible to as the closing door in the dustless region of Factory Building or workshop.
Claims (6)
1. the cold-proof antitheft sealed door of wedge shape, including doorframe (1), door leaf (2), hinge (3), peephole (4) and door lock (5), its
It is characterised by: described door leaf (2) is by the composite and carved plate of the solid wood of inner side (6), the cold-proof cement board (7) in outside, Yi Jishi
Aluminium silicate wool (8) composition filled between the composite and carved plate of wood (6) and cold-proof cement board (7)；Described doorframe (1) cross section
The one end being positioned at door leaf (2) outside in lock side is outside frame (12), and it is straight that outside frame (12) extends to door leaf (2) inner side
Section is connected with straight overlap joint frame (13), and the shape of cross section of straight overlap joint frame (13) is a right angle bending section；Straight overlap joint
The end of frame (13) is connected with protruding occlusion frame (18), and the leading portion shape protruding occlusion frame (18) cross section is also always
Angle bending section, the back segment protruding occlusion frame (18) cross section is shaped as the U-shaped raised section towards door leaf (2) outside, U-shaped projection
The end of section extends to door leaf (2) inner side；The end of U-shaped raised section and inner side frame (9) phase being positioned at door leaf (2) inner opposite end
Intersection, is provided with the chimb (10) of the composite and carved plate of solid wood (6) towards door leaf (2) inner side；Described door leaf (2) cross section is locked
The outboard end of side arranges double crisperding structure seaming, and the first crisperding seaming (14) matches with outside frame (12) flat segments, and second
Crisperding seaming (16) matches with the right-angle folding curved segment of the straight overlap joint frame (13) of doorframe (1), the first crisperding seaming (14) and
Second crisperding seaming (16) inner side is provided with sealing joint strip (15), and the middle part of door leaf (2) lock lateral section is provided with and hooks with second
The indent seaming (17) that limit seaming (16) is connected, the inside of indent seaming (17) is disposed with sealing joint strip (15), indent seaming
(17) match in the U-shaped raised section being engaged frame (18) with the protrusion of doorframe (1)；The medial extremity of door leaf (2) cross section lock side sets
Being equipped with groove (11), groove (11) matches with the chimb (10) of doorframe (1), is provided with sealing joint strip (15) in groove (11)；
It is outside frame (12) that described doorframe (1) cross section is positioned at the one end in door leaf (2) outside in hinge side, and outside frame (12) is to door
The flat segments that fan (2) inner side extends is connected with door leaf (2) by hinge (3), and doorframe (1) is positioned at door leaf (2) inner opposite end and is
Side frame (9), is provided with between outside frame (12) and the inner side frame (9) of doorframe (1) hinge side and hangs down mutually with door leaf (2) side
Straight, to concave towards body of wall side indent frame (20), is provided with sealing joint strip (15) in indent frame (20)；Described door leaf (2) is horizontal
The outside of hinge side, cross section is provided with crisperding seaming (21), and crisperding seaming (21) matches with the flat segments of outside frame (12),
Crisperding seaming (21) inner side is provided with sealing joint strip (15)；The medial end of door leaf (2) cross section hinge side is provided with the most convex stinging
Mouth (19), anti-convex seaming (19) is matched with the indent frame (20) of doorframe (1)；Door leaf (2) side of hinge side and doorframe (1)
The sticking part of side, is provided with the fitted seal bar (22) being made up of two sealing strips, two sealings along direction perpendicular to the ground
Bar is separately positioned on side and the side of doorframe (1) of door leaf (2).
The cold-proof antitheft sealed door of wedge shape the most according to claim 1, it is characterised in that: described fitted seal bar (22) is arranged
Shape of cross section at the sealing strip of door leaf (2) side is convex, is arranged on the shape of cross section of the sealing strip of doorframe (1) side
For matrix.
The cold-proof antitheft sealed door of wedge shape the most according to claim 1, it is characterised in that: the material of described doorframe (1) uses
Thickness is the cold-rolling galvanization steel plate of 1.8mm.
The cold-proof antitheft sealed door of wedge shape the most according to claim 1, it is characterised in that: described door leaf (2) outside cold-proof
The thickness of cement board (7) is 15mm, and the thickness of the composite and carved plate of the solid wood (6) of described door leaf (2) inner side is 15mm.
The cold-proof antitheft sealed door of wedge shape the most according to claim 1, it is characterised in that: described door lock (5) is intelligent electric-controlled
Door lock, intelligent electric-controlled door lock is provided with finger-print cipher device, bluetooth, card reader and Intelligent key.
The cold-proof antitheft sealed door of wedge shape the most according to claim 1, it is characterised in that: described peephole (4) is intelligence peephole,
Intelligence peephole is provided with infrared night vision ultra wide-angle imaging head, phonetic alarm, thermoinduction detecting instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697736.3U CN205840697U (en) | 2016-07-05 | 2016-07-05 | The cold-proof antitheft sealed door of wedge shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697736.3U CN205840697U (en) | 2016-07-05 | 2016-07-05 | The cold-proof antitheft sealed door of wedge shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205840697U true CN205840697U (en) | 2016-12-28 |
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ID=58151022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620697736.3U Active CN205840697U (en) | 2016-07-05 | 2016-07-05 | The cold-proof antitheft sealed door of wedge shape |
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| Country | Link |
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| CN (1) | CN205840697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392386A (en) * | 2020-11-18 | 2021-02-23 | 江西朝阳机械有限公司 | Multiple airtight door |
-
2016
- 2016-07-05 CN CN201620697736.3U patent/CN205840697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392386A (en) * | 2020-11-18 | 2021-02-23 | 江西朝阳机械有限公司 | Multiple airtight door |
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