CN108662311B - Cold air duct interface structure of sealed refrigerator - Google Patents
Cold air duct interface structure of sealed refrigerator Download PDFInfo
- Publication number
- CN108662311B CN108662311B CN201810851825.2A CN201810851825A CN108662311B CN 108662311 B CN108662311 B CN 108662311B CN 201810851825 A CN201810851825 A CN 201810851825A CN 108662311 B CN108662311 B CN 108662311B
- Authority
- CN
- China
- Prior art keywords
- air duct
- duct interface
- interface
- ring
- sealing adhesive
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/10—Adhesive or cemented joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a cold air duct interface structure of a sealed refrigerator, which comprises a first duct interface, a connecting pipeline, a second duct interface, a sealing adhesive layer and a double-sided compound rubber ring, wherein the edges of the inner side walls of the first duct interface and the second duct interface are respectively adhered with the double-sided compound rubber ring, the adhesive surface of the sealing adhesive layer is divided into an inner adhesive ring and an outer adhesive ring from inside to outside, and the outer side walls of the first duct interface and the second duct interface are respectively adhered on the inner adhesive ring of the sealing adhesive layer. The double-sided compound rubber ring is used as a sealing gasket, so that the interface is conveniently sealed and adhered to the refrigerator liner, and the double-sided compound rubber ring is a layer of sealing; the sealing adhesive layer is used for facilitating the sealing and bonding of the interface on the refrigerator liner, and the sealing adhesive layer is two-layer sealing; the structure realizes double-layer sealing of the interface and the refrigerator liner, so that the sealing effect of the interface connection is good, the overflow condition of the foaming adhesive is reduced, the production efficiency of the refrigerator is ensured, and the scrapping number of refrigerator parts in production is reduced.
Description
Technical Field
The invention relates to the technical field of refrigerator sealing, in particular to a cold air duct interface structure of a sealed refrigerator.
Background
The refrigerator is a necessary household appliance for people to live, so people are required to continuously update the refrigerator to meet the living demands of people, and the prior art scheme is that common materials are adhered to the back surface of a cold air duct interface, then the duct interface is connected with an inner shell of the refrigerator, and the air duct interface and the inner shell of the refrigerator are directly adhered together by a layer of adhesive layer. The method can solve the problem that when the heat-insulating foaming glue is injected into the refrigerator, the glue overflows into the cold air duct, and when a layer of material is adhered to the back surface, the situation that the material at the air duct interface is not wrinkled or tiny and airtight is not tight and the like is difficult to ensure the manual operation of adhesion, and still the foaming glue overflows into the air duct from the gap.
Disclosure of Invention
The invention aims to solve the defect of poor sealing effect in the prior art, and provides a cold air duct interface structure of a sealed refrigerator.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a sealed refrigerator cold wind channel interface structure, includes wind channel interface first, connecting tube, wind channel interface second, sealing adhesive layer and double-sided compound rubber circle, wind channel interface first passes through connecting tube and links wind channel interface second, the inside wall edge of wind channel interface first and wind channel interface second all bonds there is double-sided compound rubber circle, and wind channel interface first and wind channel interface second all joint is on the inner bag of refrigerator, double-sided compound rubber circle extrusion contact refrigerator's inner bag, the jack has been seted up in sealing adhesive layer's center department, and all fixedly connected with sealing adhesive piece on the symmetrical lateral wall of jack, sealing adhesive layer's bonding face divide into interior bonding circle and outer bonding circle from inside to outside, all cover from the release paper on the bonding face of interior bonding circle, outer bonding circle and sealing adhesive piece, all bond on the outer lateral wall of wind channel interface second on sealing adhesive layer, and sealing adhesive piece also bond on the outer lateral wall of interface first and wind channel interface second, sealing adhesive piece is bonded on the inner bag of refrigerator through bonding circle of wind channel interface first.
Preferably, the shape of the insertion hole is rectangular, and the sealing adhesive block, the inner bonding ring and the outer bonding ring are of an integrated structure.
Preferably, the sizes of the release papers of the inner bonding ring, the outer bonding ring and the sealing adhesive block are respectively matched with the sizes of the inner bonding ring, the outer bonding ring and the sealing adhesive block.
A sealing connection method of a cold air duct interface of a sealed refrigerator comprises the following steps:
s1, preparing materials: firstly, preparing the first air channel interface, the second air channel interface, the connecting pipeline, the two sealing adhesive layers, the two double-sided compound adhesive rings and the electronic eyepiece completely, and then enabling an operator to wear the electronic eyepiece on eyes;
s2, inserting a sealing adhesive layer: inserting the penetrating holes on the two sealing adhesive layers into the interfaces of the outer side walls of the first air channel interface and the second air channel interface respectively;
s3, bonding the sealing adhesive layer: removing release paper on the inner adhesive ring, flatly adhering the inner adhesive ring to the outer side walls of the first air duct interface and the second air duct interface at the moment, removing release paper at the sealing adhesive block, flatly adhering the sealing adhesive block to the outer side walls of the first air duct interface and the second air duct interface, and confirming the adhering effect of the sealing adhesive layer through an electronic eyepiece;
s4, bonding the double-sided compound rubber ring: the double-sided compound rubber rings are respectively adhered to the edges of the inner side walls of the first air duct interface and the second air duct interface;
s5, communicating the first air channel interface, the connecting pipeline and the second air channel interface: the two ends of the connecting pipeline are fixedly communicated with an air channel interface I and an air channel interface II respectively;
s6, adhering the sealing adhesive layer to the refrigerator liner: taking off release paper on the outer adhesive ring, determining the position and the direction to be adhered through an electronic eyepiece, then flatly adhering a sealing adhesive layer on the inner container of the refrigerator, and simultaneously extruding and contacting the inner container of the refrigerator through the double-sided compound adhesive ring;
s7, determining the bonding effect, and taking down the worn electronic eyepiece: and observing the joints of the first air channel interface, the connecting pipeline and the second air channel interface, taking down the worn electronic ocular after determining the bonding effect, and then storing the electronic ocular.
Preferably, the bonding in S1 to S6 is seamless bonding.
The invention provides a cold air duct interface structure of a sealed refrigerator, which has the beneficial effects that: the invention has novel structure and simple operation, and the through holes are utilized to facilitate the sealing adhesive layer to be adhered on the outer side walls of the first air channel interface and the second air channel interface; the double-sided compound rubber ring is used, wherein the double-sided compound rubber ring is a sealing gasket, so that the interface is conveniently sealed and adhered to the refrigerator liner, and the double-sided compound rubber ring is a layer of sealing; the sealing adhesive layer is used for facilitating the sealing and bonding of the interface on the refrigerator liner, and the sealing adhesive layer is two-layer sealing; the outer side walls of the first air channel interface and the second air channel interface can be sealed and fixed again by using the sealing adhesive block; the structure realizes double-layer sealing of the interface and the refrigerator liner, so that the sealing effect of the interface connection is good, the overflow condition of the foaming adhesive is reduced, the production efficiency of the refrigerator is ensured, and the scrapping number of refrigerator parts in production is reduced.
Drawings
Fig. 1 is a schematic diagram of the overall connection front structure of the present invention.
Fig. 2 is a schematic diagram of the overall connection rear view structure of the present invention.
FIG. 3 is a schematic diagram of the overall front view of the adhesive double-sided composite rubber ring at the joint of the invention.
FIG. 4 is a schematic elevational view of the sealant layer of the present invention.
In the figure: 1-an air duct interface I, 2-a connecting pipeline, 3-an air duct interface II, 4-a sealing adhesive layer, 40-a penetrating hole, 41-a sealing adhesive block, 42-an inner adhesive ring, 43-an outer adhesive ring, 44-a release paper and 5-a double-sided compound adhesive ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-4, a cold air duct interface structure of a sealed refrigerator comprises a first duct interface 1, a connecting duct 2, a second duct interface 3, a sealing adhesive layer 4 and a double-sided compound rubber ring 5, the air channel interface I1 is communicated with the air channel interface II 3 through the connecting pipeline 2, the shapes of the through holes of the air channel interface I1, the connecting pipeline 2 and the air channel interface II 3 are mutually matched, and not only is the shape limited, the edges of the inner side walls of the first air duct interface 1 and the second air duct interface 3 are adhered with double-sided compound rubber rings 5, the first air duct interface 1 and the second air duct interface 3 are both clamped on the inner container of the refrigerator, the double-sided compound rubber ring 5 is in extrusion contact with the inner container of the refrigerator, the center of the sealing adhesive layer 4 is provided with a through jack 40, and a symmetrical side wall of the insertion hole 40 is fixedly connected with a sealing adhesive block 41, the bonding surface of the sealing adhesive layer 4 is divided into an inner bonding ring 42 and an outer bonding ring 43 from inside to outside, the bonding surfaces of the inner bonding ring 42, the outer bonding ring 43 and the sealing adhesive block 41 are covered with release paper 44, the sizes of the release papers 44 of the inner adhesive ring 42, the outer adhesive ring 43 and the sealing adhesive block 41 are respectively matched with the sizes of the inner adhesive ring 42, the outer adhesive ring 43 and the sealing adhesive block 41, the outer side walls of the first air duct interface 1 and the second air duct interface 3 are adhered to the inner adhesive ring 42 of the sealing adhesive layer 4, and the sealing adhesive block 41 is also adhered to the outer side wall of the first air passage interface 1 and the second air passage interface 3, the first air duct interface 1 and the second air duct interface 3 are adhered to the inner container of the refrigerator through the outer adhesive ring 43 of the sealing adhesive layer 4, the penetrating hole 40 is rectangular, and the sealing adhesive block 41, the inner adhesive ring 42 and the outer adhesive ring 43 are integrally formed.
A sealing connection method of a cold air duct interface of a sealed refrigerator comprises the following steps:
s1, preparing materials: firstly, preparing a first air channel interface 1, a second air channel interface 3, a connecting pipeline 2, two sealing adhesive layers 4, two double-sided double-adhesive rings 5 and an electronic eyepiece completely, and then enabling an operator to wear the electronic eyepiece on eyes;
s2, inserting a sealing adhesive layer 4: inserting insertion holes 40 on the two sealing adhesive layers 4 into the interfaces of the outer side walls of the air duct interface I1 and the air duct interface II 3 respectively;
s3, bonding the sealing adhesive layer 4: removing release paper 44 on the inner adhesive ring 42, flatly adhering the inner adhesive ring 42 to the outer side wall of the air duct interface I1 and the air duct interface II 3 at the moment, removing the release paper 44 at the sealing adhesive block 41, flatly adhering the sealing adhesive block 41 to the outer side wall of the air duct interface I1 and the air duct interface II 3, and confirming the adhering effect of the sealing adhesive layer 4 through an electronic eyepiece;
s4, bonding double-sided compound rubber ring 5: the double-sided compound rubber rings 5 are respectively adhered to the edges of the inner side walls of the first air duct interface 1 and the second air duct interface 3;
s5, a first air duct connector 1, a connecting pipeline 2 and a second air duct connector 3 are communicated: the two ends of the connecting pipeline 2 are fixedly communicated with an air duct interface I1 and an air duct interface II 3 respectively;
s6, adhering the sealing adhesive layer 4 to the refrigerator liner: the release paper 44 on the outer bonding ring 43 is taken down, the position and the direction to be bonded are determined through an electronic eyepiece, then the sealing adhesive layer 4 is flatly bonded on the inner container of the refrigerator, and meanwhile the double-sided compound rubber ring 5 is pressed and contacted with the inner container of the refrigerator;
s7, determining the bonding effect, and taking down the worn electronic eyepiece: and observing the joints of the first air duct interface 1, the connecting pipeline 2 and the second air duct interface 3, taking down the worn electronic ocular after determining the bonding effect, and then storing the electronic ocular.
Wherein the bonding in S1 to S6 is seamless bonding.
The AI auxiliary pasting system is designed in the product, so that workers can be helped to accurately align and paste the product, and the air duct interface is strictly positioned and assembled on the refrigerator liner. The key part of the AI auxiliary system is an electronic eyepiece which is an ultrasonic transmitting and receiving device capable of identifying the thickness of the material and the die cutting edge through the IXPE material, and the principle of the electronic eyepiece is similar to that of medical B ultrasonic. The right side of the electronic eyepiece is provided with an ultrasonic wave transmitting and receiving device, according to the physical property characteristics of the IXPE material, the ultrasonic wave transmitting frequency is 100MHz, and the sealing adhesive layer and the double-sided compound adhesive ring are both prepared from the IXPE material and are not limited by the material.
The invention has novel structure and simple operation, and the through holes 40 are utilized to facilitate the sealing adhesive layer 4 to be adhered on the outer side wall of the first air duct interface 1 and the second air duct interface 3; the double-sided compound rubber ring 5 is utilized, wherein the double-sided compound rubber ring 5 is a sealing gasket, so that the interface is conveniently sealed and adhered to the refrigerator liner, and the double-sided compound rubber ring is a layer of sealing; the sealing adhesive layer 4 is used for facilitating the sealing and bonding of the interface on the refrigerator liner, and the sealing adhesive layer is two-layer sealing; the outer side wall of the first air duct interface 1 and the second air duct interface 3 can be sealed and fixed again by using the sealing adhesive block 41; the structure realizes double-layer sealing of the interface and the refrigerator liner, so that the sealing effect of the interface connection is good, the overflow condition of the foaming adhesive is reduced, the production efficiency of the refrigerator is ensured, and the scrapping number of refrigerator parts in production is reduced.
When an operator posts the first air channel interface 1, the connecting pipeline 2 and the second air channel interface 3, wears the electronic eyepiece, directly looks at the first air channel interface 1, the connecting pipeline 2, the second air channel interface 3, the sealing adhesive layer 4 and the double-sided compound rubber ring 5, the transmitting device transmits ultrasonic waves, and when the ultrasonic waves penetrate through the product, as the back surface area of the product is partially covered with release paper 44, part of the product is already peeled off from the release paper 44, compared with the place where the release paper 44 is already peeled off, a sound wave reflecting surface is added, more sound waves are reflected to be received by receiving equipment, and obvious limit is displayed in AR imaging equipment carried by the electronic eyepiece. Therefore, an operator can clearly see the boundary of the release paper 44, when approaching the refrigerator air duct interface, the air duct interface reflects ultrasonic waves, and the color, the boundary and the definition displayed in the electronic eyepiece are different due to the difference of materials, distances and reflectivities, so that the operator can clearly distinguish the material from the air duct interface, precisely align the edge of the release paper 44 with the proper position on the corresponding air duct interface, tightly seal the seam, and successfully paste the adhesive once, thereby avoiding the situations of glue leakage, repeated pasting, low comparing efficiency and the like.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The utility model provides a sealed refrigerator cold wind air duct interface structure, includes air duct interface one (1), connecting tube (2), air duct interface two (3), sealed viscose layer (4) and double-sided compound rubber ring (5), air duct interface one (1) communicates air duct interface two (3), its characterized in that through connecting tube (2): the edge of the inner side wall of the first air duct interface (1) and the edge of the inner side wall of the second air duct interface (3) are respectively adhered with a double-sided compound rubber ring (5), the first air duct interface (1) and the second air duct interface (3) are respectively clamped on the inner container of the refrigerator, the double-sided compound rubber rings (5) are in extrusion contact with the inner container of the refrigerator, the center of the sealing adhesive layer (4) is provided with a penetrating hole (40), the symmetrical side wall of the penetrating hole (40) is respectively fixedly connected with a sealing adhesive block (41), the adhesive surface of the sealing adhesive layer (4) is divided into an inner adhesive ring (42) and an outer adhesive ring (43) from inside to outside, release paper (44) is covered on the adhesive surface of the inner adhesive ring (42), the outer side wall of the first air duct interface (1) and the second air duct interface (3) are respectively adhered on the inner adhesive ring (42) of the sealing adhesive layer (4), the sealing adhesive blocks (41) are also adhered on the outer side wall of the first air duct interface (1) and the outer side wall of the second air duct interface (3) are adhered on the inner container (43) of the air duct interface (3);
the shape of the penetrating hole (40) is rectangular, and the sealing adhesive block (41), the inner bonding ring (42) and the outer bonding ring (43) are of an integrated structure;
the sizes of release papers (44) of the inner bonding ring (42), the outer bonding ring (43) and the sealing adhesive block (41) are respectively matched with the sizes of the inner bonding ring (42), the outer bonding ring (43) and the sealing adhesive block (41);
the sealing connection method of the cold air duct interface of the sealed refrigerator comprises the following steps:
s1, preparing materials: firstly, preparing a first air channel interface (1), a second air channel interface (3), a connecting pipeline (2), two sealing adhesive layers (4), two double-sided compound adhesive rings (5) and an electronic eyepiece completely, and then wearing the electronic eyepiece on eyes by an operator;
s2, inserting a sealing adhesive layer (4): inserting the penetrating holes (40) on the two sealing adhesive layers (4) into the interfaces of the outer side walls of the first air duct interface (1) and the second air duct interface (3) respectively;
s3, bonding the sealing adhesive layer (4): removing release paper (44) on the inner bonding ring (42), flatly bonding the inner bonding ring (42) on the outer side wall of the first air duct interface (1) and the second air duct interface (3), removing release paper (44) at the sealing adhesive block (41), flatly bonding the sealing adhesive block (41) on the outer side wall of the first air duct interface (1) and the second air duct interface (3), and confirming the bonding effect of the sealing adhesive layer (4) through an electronic eyepiece;
s4, bonding double-sided compound rubber rings (5): the double-sided compound rubber rings (5) are respectively adhered to the edges of the inner side walls of the first air duct interface (1) and the second air duct interface (3);
s5, communicating the first air duct interface (1), the connecting pipeline (2) and the second air duct interface (3): the two ends of the connecting pipeline (2) are fixedly communicated with an air duct interface I (1) and an air duct interface II (3) respectively;
s6, adhering the sealing adhesive layer (4) to the refrigerator liner: the release paper (44) on the outer bonding ring (43) is taken down, the position and the direction to be bonded are determined through the electronic eyepiece, then the sealing adhesive layer (4) is flatly bonded on the inner container of the refrigerator, and meanwhile the double-sided compound rubber ring (5) is pressed and contacted with the inner container of the refrigerator;
s7, determining the bonding effect, and taking down the worn electronic eyepiece: observing the connection parts of the first air duct interface (1), the connecting pipeline (2) and the second air duct interface (3), taking down the worn electronic ocular after determining the bonding effect, and then storing the electronic ocular.
2. The cold air duct interface structure of a sealed refrigerator according to claim 1, wherein the bonding in S1 to S6 is seamless bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851825.2A CN108662311B (en) | 2018-07-30 | 2018-07-30 | Cold air duct interface structure of sealed refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851825.2A CN108662311B (en) | 2018-07-30 | 2018-07-30 | Cold air duct interface structure of sealed refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108662311A CN108662311A (en) | 2018-10-16 |
| CN108662311B true CN108662311B (en) | 2023-08-29 |
Family
ID=63788819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810851825.2A Active CN108662311B (en) | 2018-07-30 | 2018-07-30 | Cold air duct interface structure of sealed refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108662311B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977704A (en) * | 1976-01-12 | 1976-08-31 | Westinghouse Electric Corporation | Pipe coupler |
| CN2091397U (en) * | 1991-06-13 | 1991-12-25 | 郭志勇 | Compound seal pipe union |
| CN2408344Y (en) * | 2000-01-19 | 2000-11-29 | 陈克 | Mechanical sealed adhesive pipe joint |
| CN2550624Y (en) * | 2002-06-03 | 2003-05-14 | 吴坤祐 | Thermal insulation pipe |
| CN202360930U (en) * | 2011-11-14 | 2012-08-01 | 四川成双防腐材料有限公司 | Compression type pipeline connecting piece for stainless steel thin-walled pipe |
| CN107202464A (en) * | 2017-05-04 | 2017-09-26 | 合肥华凌股份有限公司 | Blast connection and wind cooling refrigerator |
| CN207486261U (en) * | 2017-11-03 | 2018-06-12 | 安徽金昊天塑胶科技发展有限公司 | A kind of self-adhering type PVC pipeline connector of liquid-leakage preventing |
| CN208565870U (en) * | 2018-07-30 | 2019-03-01 | 合肥恒翔电子科技有限公司 | A kind of closed type refrigerator cold wind air duct joint structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008023276A1 (en) * | 2008-05-13 | 2009-11-19 | Henkel Ag & Co. Kgaa | Connecting pipes with thermosetting adhesives |
-
2018
- 2018-07-30 CN CN201810851825.2A patent/CN108662311B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977704A (en) * | 1976-01-12 | 1976-08-31 | Westinghouse Electric Corporation | Pipe coupler |
| CN2091397U (en) * | 1991-06-13 | 1991-12-25 | 郭志勇 | Compound seal pipe union |
| CN2408344Y (en) * | 2000-01-19 | 2000-11-29 | 陈克 | Mechanical sealed adhesive pipe joint |
| CN2550624Y (en) * | 2002-06-03 | 2003-05-14 | 吴坤祐 | Thermal insulation pipe |
| CN202360930U (en) * | 2011-11-14 | 2012-08-01 | 四川成双防腐材料有限公司 | Compression type pipeline connecting piece for stainless steel thin-walled pipe |
| CN107202464A (en) * | 2017-05-04 | 2017-09-26 | 合肥华凌股份有限公司 | Blast connection and wind cooling refrigerator |
| CN207486261U (en) * | 2017-11-03 | 2018-06-12 | 安徽金昊天塑胶科技发展有限公司 | A kind of self-adhering type PVC pipeline connector of liquid-leakage preventing |
| CN208565870U (en) * | 2018-07-30 | 2019-03-01 | 合肥恒翔电子科技有限公司 | A kind of closed type refrigerator cold wind air duct joint structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108662311A (en) | 2018-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2003513715A (en) | Wound suction device with multi-lumen connector | |
| AU2018207127B2 (en) | Bodily fluid collection apparatus | |
| CN108662311B (en) | Cold air duct interface structure of sealed refrigerator | |
| JPH0525342U (en) | Waterproof case inspection device | |
| CN208565870U (en) | A kind of closed type refrigerator cold wind air duct joint structure | |
| CN104432600B (en) | Brassiere mold cup of Jiamei's pocket and preparation method thereof is established in a kind of | |
| JP2011007265A (en) | Square tube joint and joint structure of square tube | |
| CN210642605U (en) | Mask framework and mask applying same | |
| CN214823038U (en) | Waterproof membrane structure, door inner panel and car | |
| CN210494103U (en) | Boxless ultrasonic isolation sound-transmitting membrane | |
| CN210081930U (en) | Prevent cutting device in stifled hole | |
| EP1178268A3 (en) | High-efficiency improved evaporator for refrigerators and deep-freezers | |
| CN217327337U (en) | Partial pressure ejector pipe | |
| CN108332917A (en) | A kind of method of composite material type plate welding seams air leakage point detection | |
| CN214244278U (en) | Self-adhesive elastic sealing gasket and butt joint structure of shield segments formed by same | |
| CN210365006U (en) | Packaging bag convenient to tear and can recycle | |
| CN214966233U (en) | Automatic locking tourniquet suitable for old people | |
| CN105640710B (en) | A kind of absorbent article processing method of front and back leak-proof | |
| CN221344449U (en) | Protective film for yacht decoration | |
| CN218008306U (en) | Acid-proof and alkali-proof gloves with good sealing effect | |
| CN211282126U (en) | Three-dimensional adhesive label | |
| CN215891451U (en) | Hot-melting waterproof pad for joints of circular pipe culverts | |
| CN110401904B (en) | Self-pressure-releasing waterproof middle-attached sounding film | |
| CN214912450U (en) | Small intestine fistulization tube with flushing function | |
| CN110285283B (en) | Polypropylene anti-corrosion pipe joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |