CN111456606A - Protective door with ray and radio frequency composite shielding function and manufacturing method thereof - Google Patents
Protective door with ray and radio frequency composite shielding function and manufacturing method thereof Download PDFInfo
- Publication number
- CN111456606A CN111456606A CN202010025794.2A CN202010025794A CN111456606A CN 111456606 A CN111456606 A CN 111456606A CN 202010025794 A CN202010025794 A CN 202010025794A CN 111456606 A CN111456606 A CN 111456606A
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- Prior art keywords
- ray
- radio frequency
- door leaf
- protective door
- protection
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/18—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against harmful radiation
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7001—Coverings therefor; Door leaves imitating traditional raised panel doors, e.g. engraved or embossed surfaces, with trim strips applied to the surfaces
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
- E06B3/76—Door leaves consisting of frame and panels, e.g. of raised panel type with metal panels
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/88—Edge-protecting devices for door leaves
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/20—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7059—Specific frame characteristics
- E06B2003/7074—Metal frames
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention discloses a protective door with a ray and radio frequency composite shielding function and a manufacturing method thereof. The invention has the beneficial effects that: the anti-ray and radio-frequency integrated device has the advantages of being capable of simultaneously having the anti-ray and radio-frequency functions, reasonable in structural design, simple and convenient to install, capable of being processed and formed in a factory and assembled on site, greatly shortening the construction period, saving the investment cost, saving materials and reducing waste.
Description
Technical Field
The invention relates to the technical field of protective doors, in particular to a protective door with a ray and radio frequency composite shielding function and a manufacturing method thereof.
Background
The radiation radio frequency is generated in the workplaces of medical treatment, industrial production and the like, the radiation radio frequency can cause serious harm to human health, precise instruments and natural environment, and therefore the radiation radio frequency is effectively shielded to prevent leakage of the radiation radio frequency.
With the increasing demands of nuclear medicine and nuclear magnetic imaging examination and the corresponding increase of the number of nuclear therapy and nuclear magnetic resonance equipment, a protective door which has the functions of ray prevention and radio frequency and is economical and environment-friendly is urgently needed.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides the protective door with the ray and radio frequency composite shielding function, which has the advantages of reasonable structural design, capability of ensuring the tightness of the ray protection and radio frequency protection functions, simplicity and convenience in installation, capability of greatly shortening the construction period, investment cost saving and safety performance improvement.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the utility model provides a guard gate with compound shielding function of ray radio frequency, including ray protection door leaf and with ray protection door leaf fixed connection's radio frequency protection door leaf, ray protection door leaf includes ray skeleton and cladding and is in the outside protection stereotype of ray skeleton, the radio frequency protection door leaf includes radio frequency skeleton and cladding and is in the outside protection copper of radio frequency skeleton.
Furthermore, the front side and the rear side of the radiation protection door leaf are both fixedly connected with a radiation decoration panel, and the rear side of the radio frequency protection door leaf is fixedly connected with a radio frequency decoration panel.
Further, the ray decoration panel positioned at the rear side of the ray protection door leaf is compounded with the front side of the radio frequency protection door leaf through an insulating material.
Furthermore, stainless steel wrapping edges are arranged around the ray protection door leaf, and red copper wrapping edges are arranged around the radio frequency protection door leaf.
Furthermore, the red copper covered edge is in close contact with the copper-clad door frame.
Furthermore, an oblique connection structure matched with the red copper wrapping edge is arranged on the copper-clad door frame.
Furthermore, a ground shaft is arranged on the ray protection door leaf, and a handle is arranged on the front side of the ray protection door leaf.
Furthermore, sound insulation materials are filled in the ray skeleton and the radio frequency skeleton.
Further, ray skeleton is including being many first section bars that the rice style of calligraphy was arranged, the radio frequency skeleton is including many second section bars of horizontal and vertical crossing.
The invention also provides a manufacturing method of the protective door with the ray and radio frequency composite shielding function, which comprises the following steps:
s1, arranging a plurality of first section bars in a shape of Chinese character mi, welding to form a ray framework, and crossing a plurality of second section bars transversely and longitudinally, and welding to form a radio frequency framework;
s2, fixing a protective lead plate outside the ray skeleton in a coating manner to form a ray protective door leaf, and fixing ray decoration panels on the front side and the rear side of the ray protective door leaf in a cold pressing manner;
s3, cladding and fixing the protection copper plate to the outside of the radio frequency framework to form a radio frequency protection door leaf;
s4, compounding the front side of the radio frequency protective door leaf and the rear side of the ray protective door leaf together through an insulating material, and fixing a radio frequency decorative panel on the rear side of the radio frequency protective door leaf in a cold pressing mode;
s5, stainless steel wrapping edges are fixed on the periphery of the ray protection door leaf, and red copper wrapping edges are fixed on the periphery of the radio frequency protection door leaf.
The invention has the beneficial effects that: the anti-ray and radio-frequency integrated device has the advantages of being capable of simultaneously having the anti-ray and radio-frequency functions, reasonable in structural design, simple and convenient to install, capable of being processed and formed in a factory and assembled on site, greatly shortening the construction period, saving the investment cost, saving materials and reducing waste.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of a protective door with radio frequency composite shielding according to an embodiment of the present invention;
FIG. 2 is a top view of a protective door with radio frequency composite shielding according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a ray skeleton according to an embodiment of the invention;
FIG. 4 is a schematic view of a radio frequency skeleton according to an embodiment of the invention;
fig. 5 is a flowchart of a method for manufacturing a protective door with a radio frequency composite shielding function according to an embodiment of the present invention.
In the figure:
1. a ray skeleton; 2. a radio frequency skeleton; 3. a protective lead plate; 4. a protective copper plate; 5. an insulating material; 6. a copper-clad door frame; 7. a handle; 8. a ray decoration panel; 9. a radio frequency decorative panel; 10. the heaven and earth axes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1 to 5, the protective door with a radiation and radio frequency composite shielding function according to an embodiment of the present invention includes a radiation protective door leaf and a radio frequency protective door leaf fixedly connected to the radiation protective door leaf, where the radiation protective door leaf includes a radiation framework 1 and a protective lead plate 3 coated outside the radiation framework 1, and the radio frequency protective door leaf includes a radio frequency framework 2 and a protective copper plate 4 coated outside the radio frequency framework 2.
In a specific embodiment of the present invention, a radiation decoration panel 8 is fixedly connected to both the front side and the rear side of the radiation protection door leaf, and a radio decoration panel 9 is fixedly connected to the rear side of the radio protection door leaf.
In a specific embodiment of the invention the radiation decoration panel 8 at the rear side of the radiation protection door leaf is composited with the front side of the radio frequency protection door leaf by an insulating material 5.
In a specific embodiment of the invention, a stainless steel edge is arranged around the radiation protection door leaf, and a red copper edge is arranged around the radio frequency protection door leaf.
In one embodiment of the invention, the red copper clad is in close contact with the copper-clad door frame 6.
In an embodiment of the present invention, the copper-clad door frame 6 is provided with an oblique-joint structure matched with the red copper cladding.
In a specific embodiment of the present invention, the radio-protective door leaf is provided with a top-bottom shaft 10, and the front side of the radio-protective door leaf is provided with a handle 7.
In a specific embodiment of the present invention, the inside of the ray skeleton 1 and the inside of the radio frequency skeleton 2 are both filled with sound insulation materials.
In a specific embodiment of the present invention, the radiation framework 1 includes a plurality of first section bars arranged in a shape of a Chinese character mi, and the radio frequency framework 2 includes a plurality of second section bars crossing in a horizontal direction and a vertical direction.
The invention also provides a manufacturing method of the protective door with the ray and radio frequency composite shielding function, which comprises the following steps:
s1, arranging a plurality of first sectional materials in a shape of a Chinese character mi, welding to form a ray framework 1, and crossing a plurality of second sectional materials transversely and longitudinally, and welding to form a radio frequency framework 2;
s2, covering and fixing the protective lead plate 3 outside the ray framework 1 to form a ray protective door leaf, and fixing ray decoration panels 8 on the front side and the rear side of the ray protective door leaf in a cold pressing mode;
s3, the protection copper plate 4 is fixed outside the radio frequency framework 2 in a wrapping mode to form a radio frequency protection door leaf;
s4, compounding the front side of the radio frequency protective door leaf and the rear side of the ray protective door leaf together through an insulating material 5, and fixing a radio frequency decoration panel 9 on the rear side of the radio frequency protective door leaf in a cold pressing mode;
s5, stainless steel wrapping edges are fixed on the periphery of the ray protection door leaf, and red copper wrapping edges are fixed on the periphery of the radio frequency protection door leaf.
In order to facilitate understanding of the above-described embodiments of the present invention, the following detailed description of the embodiments of the present invention is provided by way of specific usage.
The invention relates to a protective door with a ray and radio frequency composite shielding function, which comprises a ray protective door leaf and a radio frequency protective door leaf, wherein the ray protective door leaf comprises a ray framework 1 and a protective lead plate 3 which is fixed outside the ray framework 1 in a sticking or screw fixing way and coats the ray framework 1, the radio frequency protective door leaf comprises a radio frequency framework 2 and a protective copper plate 4 which is fixed outside the radio frequency framework 2 in a sticking or screw fixing way and coats the radio frequency framework 2, the outer surfaces of a front panel and a rear panel of the ray protective door leaf are respectively provided with a ray decorative panel 8, the ray decorative panel 8 and the ray protective door leaf are compounded into a whole through a hot pressing or cold pressing process, the outer surface of the rear panel of the radio frequency protective door leaf is provided with a radio frequency decorative panel 9, and the radio frequency protective door leaf and, an insulating material 5 is arranged between the ray protection door leaf and the radio frequency protection door leaf to realize mutual separation.
The ray skeleton 1 is formed by welding profile steel (namely, a first profile) arranged in a shape of Chinese character mi, the radio frequency skeleton 2 is formed by welding profile steel (namely, a second profile) arranged in a transverse and longitudinal cross mode, and the ray skeleton 1 and the radio frequency skeleton 2 can be formed by assembling dried solid wood besides being made of the profile steel.
The protection copper plate 4 is made of red copper. The decorative board comprises a ray decorative board 8 and a radio frequency decorative board 9, and the decorative board can be made of stainless steel plates, galvanized plates or nonmagnetic plates.
The protective lead plate 3 is made of No. 1 electrolytic lead with the purity of more than or equal to 99 percent, and the density reaches 11.34g/cm3. The purity of the copper plate 4 is more than or equal to 99.95 percent, and the relative density reaches 8.9g/cm3。
The copper-clad door frame 6 is provided with an oblique joint structure for being in close contact with a red copper edge-wrapping structure of the radio frequency protective door leaf to form a closed loop. And a pressing combination structure is also arranged between the purple copper clad and the copper clad door frame 6.
The ray protection door leaf is respectively connected with the wall body and the ground through a ground shaft 10, and a handle 7 is further arranged on the ray protection door leaf.
The inside shaped steel that is arranged by the meter font of ray protection door leaf separates into a plurality of spaces, and the inside shaped steel that is violently indulged crisscross of radio frequency protection door leaf separates into a plurality of spaces, and it has sound insulation material to fill in these spaces.
When the protective door with the ray and radio frequency composite shielding function is manufactured specifically, profile steel is welded or dried solid wood is combined to form a framework (comprising a ray framework 1 and a radio frequency framework 2), a protective lead plate 3 is fixed on the framework by using screws to form a ray protective door leaf, and ray decoration panels 8 are fixed on the front side and the rear side of the ray protective door leaf in a cold pressing mode; and then, a protective copper plate 4 is used for coating the framework to form a radio frequency protective door leaf, the radio frequency protective door leaf is compounded with a ray decoration panel 8 positioned on the rear side of the ray protective door leaf into a whole through an insulating material 5, then a radio frequency decoration panel 9 is fixed on the rear side of the radio frequency protective door leaf in a cold pressing mode, stainless steel edge covering is fixed on the periphery of the radio frequency protective door leaf, and red copper edge covering decoration is fixed on the periphery of the radio frequency protective door leaf.
The protective door with the ray and radio frequency composite shielding function (hereinafter referred to as the protective door) has reasonable structural design, ensures the tightness of the ray and radio frequency preventing functions, is simple and convenient to install, greatly shortens the construction period, saves the investment cost and improves the safety performance. And a shielding body closed on the copper-clad door frame 6 is formed under the support of the framework by the protection copper plate 4, the protection lead plate 3 covers the protection copper plate 4 and the copper-clad door frame 6 through an insulating material (or called as an insulating medium layer) 5 and is firmly connected, and the effect of radio frequency closed shielding is further realized on the basis of ray protection shielding. This protection door adopts numerical control processing, surfacing, use cold pressing mode composite decoration board, replace traditional welding process, fixed composite decoration board has avoided the door body finished product damage again earlier, ray protection door leaf directly covers the entrance to a cave, radio frequency protection door leaf is direct to be projected backward and directly links up with copper clad door frame 6, need not to set up two frame doors, only need a protection door leaf can satisfy ray and radio frequency safeguard function simultaneously, and economic environmental protection, do not influence wholly pleasing to the eye completely, and owing to adopt cold pressing processing, the precision is high, it is not heated, the error that the heat altered shape appears has been avoided, influence the protecting effect. Because the protective door is all of an assembly type structure, the structural design is reasonable, the protective door is machined and formed in a factory and assembled on site, the installation is simple and convenient, the construction period is greatly shortened, the investment cost is saved, the protective door can save materials and reduce waste when being produced in a factory in a standardized manner. The tightness of composite protection can be guaranteed through the covering of the ray protection door leaf and the complete closing of the radio frequency protection door leaf, and the firmness and the deformation of the whole structure are further guaranteed through the arrangement of the heaven and earth shaft 10. The protective door is convenient to manufacture, can be industrially produced in a factory, forms a process manufacturing flow of a standardized product, does not need to be manufactured and installed on site, greatly shortens the installation period and improves the safety performance.
In conclusion, by means of the technical scheme, the radio-frequency radiation-proof structure has the functions of preventing radiation and radio frequency, is reasonable in structural design, is processed and formed in a factory and assembled on site, is simple and convenient to install, greatly shortens the construction period, saves the investment cost, can save materials and reduces waste.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a guard gate with compound shielding function of ray radio frequency, its characterized in that, including ray protection door leaf and with ray protection door leaf fixed connection's radio frequency protection door leaf, the ray protection door leaf includes ray skeleton (1) and cladding and is in ray skeleton (1) outside protection stereotype (3), the radio frequency protection door leaf includes radio frequency skeleton (2) and cladding and is in the outside protection copper (4) of radio frequency skeleton (2).
2. The protective door with the ray and radio frequency composite shielding function according to claim 1, wherein a ray decoration panel (8) is fixedly connected to both the front side and the rear side of the ray protective door leaf, and a radio frequency decoration panel (9) is fixedly connected to the rear side of the radio frequency protective door leaf.
3. Protective door with radio-frequency composite shielding function for rays according to claim 2, characterized in that the radiation decoration panel (8) located at the rear side of the radiation protection door leaf is composited with the front side of the radio-frequency protection door leaf by an insulating material (5).
4. The protective door with the ray and radio frequency composite shielding function according to claim 1, wherein a stainless steel edge is arranged around the ray protective door leaf, and a red copper edge is arranged around the radio frequency protective door leaf.
5. The protective door with the ray and radio frequency composite shielding function according to claim 4, wherein the red copper wrapping edge is in close contact with the copper-clad door frame (6).
6. The protective door with the ray and radio frequency composite shielding function according to claim 5, wherein a bevel connection structure matched with the red copper wrapping edge is arranged on the copper-clad door frame (6).
7. The protective door with the ray and radio frequency composite shielding function according to claim 1, wherein a top-to-bottom shaft (10) is arranged on the ray protective door leaf, and a handle (7) is arranged on the front side of the ray protective door leaf.
8. The protective door with the radio-frequency composite shielding function for the rays according to claim 1, wherein sound insulation materials are filled in the ray skeleton (1) and the radio-frequency skeleton (2).
9. The protective door with the ray and radio frequency composite shielding function according to claim 1, wherein the ray skeleton (1) comprises a plurality of first section bars arranged in a shape of a Chinese character mi, and the radio frequency skeleton (2) comprises a plurality of second section bars which are crossed transversely and longitudinally.
10. A manufacturing method of a protective door with a ray and radio frequency composite shielding function is characterized by comprising the following steps:
s1, arranging a plurality of first sectional materials in a shape of a Chinese character mi, welding to form a ray framework (1), and crossing a plurality of second sectional materials transversely and longitudinally, and welding to form a radio frequency framework (2);
s2, covering and fixing a protective lead plate (3) on the outer portion of the ray skeleton (1) to form a ray protective door leaf, and fixing ray decoration panels (8) on the front side and the rear side of the ray protective door leaf in a cold pressing mode;
s3, the protection copper plate (4) is fixed outside the radio frequency framework (2) in a wrapping mode to form a radio frequency protection door leaf;
s4, compounding the front side of the radio frequency protection door leaf with the rear side of the ray protection door leaf through an insulating material (5), and fixing a radio frequency decoration panel (9) on the rear side of the radio frequency protection door leaf in a cold pressing mode;
s5, stainless steel wrapping edges are fixed on the periphery of the ray protection door leaf, and red copper wrapping edges are fixed on the periphery of the radio frequency protection door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025794.2A CN111456606A (en) | 2020-01-10 | 2020-01-10 | Protective door with ray and radio frequency composite shielding function and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025794.2A CN111456606A (en) | 2020-01-10 | 2020-01-10 | Protective door with ray and radio frequency composite shielding function and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111456606A true CN111456606A (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010025794.2A Pending CN111456606A (en) | 2020-01-10 | 2020-01-10 | Protective door with ray and radio frequency composite shielding function and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN111456606A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM257404U (en) * | 2004-04-14 | 2005-02-21 | Fortune Door & Window Co Ltd | Double-framed door panel featuring bullet-proofness, fire-proofness, burglary-proofness, sound-proofness, and smoke-proofness |
| CN103321328A (en) * | 2013-06-25 | 2013-09-25 | 深圳市建艺装饰集团股份有限公司 | Double-layer light-steel-keel sound-insulating wall and construction method thereof |
| CN205778347U (en) * | 2016-05-20 | 2016-12-07 | 株洲合力电磁技术有限公司 | A kind of door leaf of shielding protection integrated door |
| CN205823085U (en) * | 2016-06-30 | 2016-12-21 | 株洲合力电磁技术有限公司 | A kind of door leaf of shielding protection vertical hinged door |
| CN212105634U (en) * | 2020-01-10 | 2020-12-08 | 华克医疗科技（北京）股份公司 | Protective door with ray and radio frequency composite shielding function |
-
2020
- 2020-01-10 CN CN202010025794.2A patent/CN111456606A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM257404U (en) * | 2004-04-14 | 2005-02-21 | Fortune Door & Window Co Ltd | Double-framed door panel featuring bullet-proofness, fire-proofness, burglary-proofness, sound-proofness, and smoke-proofness |
| CN103321328A (en) * | 2013-06-25 | 2013-09-25 | 深圳市建艺装饰集团股份有限公司 | Double-layer light-steel-keel sound-insulating wall and construction method thereof |
| CN205778347U (en) * | 2016-05-20 | 2016-12-07 | 株洲合力电磁技术有限公司 | A kind of door leaf of shielding protection integrated door |
| CN205823085U (en) * | 2016-06-30 | 2016-12-21 | 株洲合力电磁技术有限公司 | A kind of door leaf of shielding protection vertical hinged door |
| CN212105634U (en) * | 2020-01-10 | 2020-12-08 | 华克医疗科技（北京）股份公司 | Protective door with ray and radio frequency composite shielding function |
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