CN218509304U - Heat-insulating bridge-cut-off aluminum window - Google Patents

Heat-insulating bridge-cut-off aluminum window Download PDF

Info

Publication number
CN218509304U
CN218509304U CN202222608314.2U CN202222608314U CN218509304U CN 218509304 U CN218509304 U CN 218509304U CN 202222608314 U CN202222608314 U CN 202222608314U CN 218509304 U CN218509304 U CN 218509304U
Authority
CN
China
Prior art keywords
sets
frame
fixed frame
fixed
cut
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
Application number
CN202222608314.2U
Other languages
Chinese (zh)
Inventor
陈应锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Aoye Industrial Co ltd
Original Assignee
Chongqing Aoye Industrial Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Aoye Industrial Co ltd filed Critical Chongqing Aoye Industrial Co ltd
Priority to CN202222608314.2U priority Critical patent/CN218509304U/en
Application granted granted Critical
Publication of CN218509304U publication Critical patent/CN218509304U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Landscapes

  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

The utility model discloses a thermal-insulated bridge cut-off aluminum window, including fixed frame, fixed frame's end-mounting has two sets of hinges, and two sets of the outer seal plate is installed to the one end of hinge to the internally mounted of outer seal plate has movable frame, multiunit toper rubber sleeve is installed to the rear end face of outer seal plate, and the multiunit first magnet post is all installed to the inside of toper rubber sleeve, the cloth for sheltering from rain is installed to movable frame's top, the collection bag is installed to movable frame's below, fixed frame's internally mounted has the internal frame, and the end-face mounting of internal frame has sealing strip and multiunit inner tank, multiunit the rubber tube is all installed to the inside of inner tank, and the multiunit second magnet post is all installed to the inside of rubber tube. Has the advantages that: the utility model discloses a waterproof cloth through the waterproof cloth that sets up, possesses the rainwater interception structure, can avoid shifting out fixed frame's object to be drenched by the rainwater, has improved thermal-insulated bridge cut-off aluminum window's use practicality.

Description

Heat-insulating bridge-cut-off aluminum window
Technical Field
The utility model relates to an aluminum alloy door and window technical field particularly, relates to a thermal-insulated bridge cut-off aluminum window.
Background
The aluminum alloy window is a window with a frame and sash structure made of aluminum alloy building profiles, and is divided into a common aluminum alloy door window and a broken bridge aluminum alloy door window, the aluminum alloy window has the advantages of attractiveness, sealing, high strength and the like, and is widely applied to the field of building engineering.
The prior art discloses that the publication number is: CN208280820U an aluminium system thermal-insulated bridge cut-off door and window, including seal groove, jack device, sealing rubber strip, fixed frame, inner frame, outer seal board, movable frame, second magnet, toper rubber sleeve, slotted hole and first magnet, when opening and shutting aluminium system thermal-insulated bridge cut-off door and window, the user uses the movable frame with the hand rotation, when fixed frame opens and shuts, indoor gas can flow into outdoors, reach the purpose of ventilation, after the ventilation finishes, the user rotates the movable frame in the reverse direction, when first magnet and second magnet actuation, aluminium system thermal-insulated bridge cut-off door and window are closed.
Above-mentioned utility model, when the movable frame is rotatory, fixed frame can open and shut gradually, and no rainwater interception structure when the rotatory movable frame of weather, the object that shifts out fixed frame can be drenched by the rainwater, reduces aluminium system thermal-insulated bridge cut-off door and window's use practicality.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a thermal-insulated bridge cut-off aluminium window possesses the rainwater interception structure, can avoid shifting out fixed frame's object by the advantage that the rainwater drenched, and then solves the problem among the above-mentioned background art.
(II) technical scheme
Possess the rainwater interception structure for realizing the aforesaid, can avoid shifting out fixed frame's object by the advantage that the rainwater drenched, the utility model discloses a concrete technical scheme as follows:
the utility model provides a thermal-insulated bridge cut-off aluminium window, includes fixed frame, two sets of hinges are installed to fixed frame's terminal surface, and two sets of outer closing plate is installed to the one end of hinge to the internally mounted of outer closing plate has movable frame, multiunit toper rubber sleeve is installed to the rear end face of outer closing plate, and the multiunit first magnet post is all installed to the inside of toper rubber sleeve, the cloth of hiding is installed to movable frame's top, the collection bag is installed to movable frame's below, fixed frame's internally mounted has the internal frame, and the terminal surface of internal frame installs sealing strip and multiunit built-in groove, the multiunit the rubber tube is all installed to the inside in built-in groove, and the multiunit the second magnet post is all installed to the inside of rubber tube, the buckle is installed to fixed frame's inside one side, the handle is installed to movable frame's rear end face, fixed frame's end welding has fixed frame board, and fixed frame's terminal surface has seted up fixed logical groove, the one end of cloth and the inside rear end face fixed frame board fixed end face fixed connection of fixed frame board, the other end of cloth runs through fixed guide hole, the movable frame's other end of guide hole, the movable frame's end has set of guide rod, and has set up two sets of spring guide arm, and two sets of the fixed frame's end of guide rod, the fixed frame's end of guide rod has set up the upper portion has the fixed guide arm, the fixed frame's end of guide rod, the fixed frame's guide rod is installed respectively.
Further, the length of the rain-proof cloth is larger than the inner width of the fixed frame plate.
Furthermore, the length of a gap between the two groups of guide holes is the same as that of a gap between the two groups of guide rods.
Furthermore, the lower part end face welding of fixed frame has the location deckle board, the open end of collecting the bag is installed spacing deckle board, and the upper portion of spacing deckle board is provided with two sets of through holes and two sets of handles, the upper portion welding of location deckle board has two sets of clamping screw, and two sets of clamping screw's one end is run through two sets of respectively the inside of through hole, it is two sets of clamping screw's lateral wall has all cup jointed the nut.
Furthermore, the two groups of fixing screw rods are matched with the two groups of nut threads.
Furthermore, the length of the limiting frame plate is greater than the inner length of the positioning frame plate.
Furthermore, the handle and the buckle are buckled and connected in a rotating mode for use.
Furthermore, the multiple groups of first magnet columns respectively correspond to the multiple groups of second magnet columns.
(III) advantageous effects
Compared with the prior art, the utility model provides a thermal-insulated bridge cut-off aluminum window possesses following beneficial effect:
(1) The utility model adopts the rain-proof cloth, when the heat insulation bridge-cut-off aluminum window is actually used, the user rotates the handle by hand, when the handle is separated from the buckle, the user can rotate the movable frame by hand to drive the outer sealing plate and the push rod to do synchronous motion, in the process, the push rod can slide in the abdicating through groove and push the movable plate to move forwards, meanwhile, one end of the rain-proof cloth is dragged by the movable plate to move forwards, the rain-proof cloth presses the movable rod to enable the two groups of plastic springs to be gradually in a compression state, when the movable frame rotates to an expected position, the movable frame is covered by the waterproof cloth, the object that shifts out the movable frame this moment can not drenched by the rainwater, when needs closed thermal-insulated bridge cut-off aluminium window, the user uses hand counter-rotation movable frame, in this process, two sets of plastic spring receive self elastic action, through promoting the carriage release lever, make the carriage release lever propelling movement waterproof cloth, the condition that the movable plate back-and-forth movement took place the skew is avoided to two sets of guide arms and two sets of guide holes, through the waterproof cloth that sets up, possess the rainwater interception structure, the object that can avoid shifting out the fixed frame is drenched by the rainwater, the practicality of use of thermal-insulated bridge cut-off aluminium window has been improved.
(2) The utility model discloses a collect the bag, object through the accident of movable frame falls, can fall into the inside of collecting the bag, the object of avoiding the accident to fall injures the pedestrian of thermal-insulated bridge cut-off aluminium window below, when needs are dismantled and are collected the bag, utilize two sets of clamping screw and two sets of nut screw thread to mutually support, the user uses two sets of nuts of hand counter-clockwise turning, when two sets of clamping screw and two sets of nut separation, two sets of handles of user's reuse hand are held and are shifted up, when spacing deckle board breaks away from two sets of clamping screw, the spacing deckle board of user's transverse rotation, when spacing deckle board is rotatory to the anticipated position, accessible movable frame will collect the bag and move to indoorly, through the collection bag that sets up, can collect the object that falls through the accident of movable frame, avoid the condition of high altitude thing to take place, bring a guarantee for thermal-insulated bridge cut-off aluminium window safety in utilization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a heat insulation bridge-cut-off aluminum window provided by the present invention;
fig. 2 is a front view of the fixing frame according to the present invention;
fig. 3 is a rear view of the fixing frame according to the present invention;
fig. 4 is a perspective view of the collection bag of the present invention;
fig. 5 is a schematic cross-sectional view of a fixed frame plate according to the present invention;
fig. 6 is an enlarged view of a in fig. 1 according to the present invention;
fig. 7 is an enlarged view of B in fig. 1 according to the present invention.
In the figure:
1. a fixed frame; 2. a hinge; 3. an outer seal plate; 4. a movable frame; 5. a conical rubber sleeve; 6. a first magnet post; 7. a rain cloth; 8. a collection bag; 9. an inner frame; 10. a sealing strip; 11. a built-in groove; 12. a rubber tube; 13. a second magnetic pillar; 14. buckling; 15. a handle; 16. fixing the frame plate; 17. fixing the through groove; 18. moving the plate; 19. a yielding through groove; 20. a push rod; 21. a guide bar; 22. a guide hole; 23. a plastic spring; 24. a travel bar; 25. a limiting frame plate; 26. a through hole; 27. positioning the frame plate; 28. fixing the screw rod; 29. a nut; 30. a handle.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a thermal-insulated bridge cut-off aluminum window.
Referring to the drawings and the detailed description, as shown in fig. 1-7, an aluminum window with thermal insulation and broken bridge according to an embodiment of the present invention includes a fixed frame 1, two sets of hinges 2 are installed on an end surface of the fixed frame 1, an outer sealing plate 3 is installed on one end of each of the two sets of hinges 2, a movable frame 4 is installed inside the outer sealing plate 3, a plurality of sets of tapered rubber sleeves 5 are installed on a rear end surface of the outer sealing plate 3, a first magnet column 6 is installed inside each of the plurality of sets of tapered rubber sleeves 5, a rain shielding cloth 7 is installed above the movable frame 4, a collecting bag 8 is installed below the movable frame 4, an inner frame 9 is installed inside the fixed frame 1, a sealing strip 10 and a plurality of sets of built-in grooves 11 are installed on an end surface of the inner frame 9, rubber tubes 12 are installed inside each of the plurality of sets of built-in grooves 11, and second magnet columns 13 are installed inside each of the plurality of sets of rubber tubes 12, a buckle 14 is arranged on one side inside the fixed frame 1, a handle 15 is arranged on the rear end face of the movable frame 4, a fixed frame plate 16 is welded on the end face of the fixed frame 1, a fixed through groove 17 is formed in the end face of the fixed frame plate 16, one end of a rain shielding cloth 7 is fixedly connected with the rear end face inside the fixed frame plate 16, the other end of the rain shielding cloth 7 penetrates through the fixed through groove 17, a movable plate 18 is arranged on the end portion of the other end of the rain shielding cloth 7, a abdicating through groove 19 is formed in the upper portion of the movable plate 18, a push rod 20 is fixedly arranged on the upper portion of the outer sealing plate 3, two groups of guide rods 21 are welded on the end face of the fixed frame 1, two groups of guide holes 22 are formed in the end face of the movable plate 18, two groups of guide holes 22 are respectively penetrated through by one end of the two groups of guide rods 21, two groups of plastic springs 23 are arranged on the upper portion of the fixed frame plate 16, and a movable rod 24 is arranged on one end of the two groups of plastic springs 23, through the waterproof cloth 7 that sets up, possess the rainwater interception structure, can avoid shifting out fixed frame 1's object and drench by the rainwater, improved thermal-insulated bridge cut-off aluminum window's use practicality.
In one embodiment, the length of the rain fly 7 is greater than the inner width of the fixed frame 16, ensuring that the rain fly 7 can cover the movable frame 4.
In one embodiment, the length of the gap between the two guide holes 22 is the same as the length of the gap between the two guide rods 21, which ensures that the two guide rods 21 can penetrate through the two guide holes 22.
In one embodiment, the lower end face of the fixed frame 1 is welded with the positioning frame plate 27, the opening end of the collecting bag 8 is provided with the limiting frame plate 25, the upper portion of the limiting frame plate 25 is provided with two sets of through holes 26 and two sets of handles 30, the upper portion of the positioning frame plate 27 is welded with two sets of fixing screws 28, one ends of the two sets of fixing screws 28 penetrate through the inside of the two sets of through holes 26 respectively, the side walls of the two sets of fixing screws 28 are sleeved with nuts 29, through the arranged collecting bag 8, objects falling through the movable frame 4 accidentally can be collected, the occurrence of the high-altitude falling object is avoided, and a guarantee is brought to the use safety of the heat-insulation bridge-cutoff aluminum window.
In one embodiment, the two sets of set screws 28 and the two sets of nuts 29 are threaded to cooperate to facilitate adjustment of the position of use of the two sets of nuts 29.
In one embodiment, the length of the stop frame 25 is greater than the inner length of the positioning frame 27 to prevent the collection bag 8 from moving down off the positioning frame 27.
In one embodiment, the pull handle 15 is used in rotational engagement with the catch 14, and the pull handle 15 and the catch 14 can increase the stability of the moving frame 4.
In one embodiment, the plurality of sets of first magnetic columns 6 respectively correspond to the plurality of sets of second magnetic columns 13, so that the plurality of sets of first magnetic columns 6 can be adsorbed by the plurality of sets of second magnetic columns 13.
The working principle is as follows:
when the heat insulation bridge-cut-off aluminum window is actually used, a user rotates the handle 15 by hand, when the handle 15 is separated from the buckle 14, the user can rotate the movable frame 4 by hand by using the two groups of hinges 2, the user drives the outer sealing plate 3 and the push rod 20 to do synchronous motion, in the process, the push rod 20 slides in the yielding through groove 19 and pushes the movable plate 18 to move forwards, meanwhile, one end of the rain shielding cloth 7 is pulled by the movable plate 18 to move forwards, the rain shielding cloth 7 presses the movable rod 24 downwards, so that the two groups of plastic springs 23 are gradually in a compressed state, when the movable frame 4 rotates to an expected position, the movable frame 4 is covered by the rain shielding cloth 7, at the moment, an object moving out of the movable frame 4 cannot be wetted by rainwater, when the heat insulation bridge-cut-off aluminum window needs to be closed, the user reversely rotates the movable frame 4 by hand, in the process, the two groups of plastic springs 23 are under the action of self elasticity, the movable rod 24 is pushed to push the rain shielding cloth 7, the two groups of guide rods 21 and the two groups of guide holes 22 avoid the shifting of the movable plate 18 from moving back and forth, the rain shielding cloth 7 is arranged and has a rainwater interception structure, so that an object moving out of the fixed frame 1 can be prevented from being wetted by rainwater, the use practicability of the heat insulation bridge-cut-off aluminum window is improved, meanwhile, the object falling accidentally through the movable frame 4 can fall into the collecting bag 8, the pedestrian under the heat insulation bridge-cut-off aluminum window is prevented from being injured by the object falling accidentally, when the collecting bag 8 needs to be disassembled, the two groups of nuts 29 are matched by utilizing the threads of the two groups of fixed screw rods 28 and the two groups of nuts 29, a user rotates the two groups of nuts 29 counterclockwise by hands, when the two groups of fixed screw rods 28 and the two groups of nuts 29 are separated, the user holds the two groups of handles 30 by hands to move upwards, when the limit frame plate 25 is separated from the two groups of fixed screw rods 28, the user transversely rotates spacing deckle board 25, and when spacing deckle board 25 rotated to the anticipated position, accessible movable frame 4 will collect bag 8 and move to indoorly, through the collection bag 8 that sets up, can collect the object that falls through movable frame 4 accident, avoids the condition of falling object to take place in the high altitude, brings a guarantee for thermal-insulated bridge cut-off aluminum window safety in utilization.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a thermal-insulated bridge cut-off aluminum window, its characterized in that includes fixed frame (1), two sets of hinges (2) are installed to the terminal surface of fixed frame (1), and two sets of outer closing plate (3) are installed to the one end of hinge (2), and the internally mounted of outer closing plate (3) has movable frame (4), the rear end face of outer closing plate (3) installs multiunit toper rubber sleeve (5), and the multiunit the inside of toper rubber sleeve (5) all installs first magnet post (6), rain-proof cloth (7) is installed to the top of movable frame (4), collection bag (8) is installed to the below of movable frame (4), the internally mounted of fixed frame (1) has internal frame (9), and the terminal surface of internal frame (9) installs sealing strip (10) and multiunit built-in groove (11), the multiunit the inside of built-in groove (11) all installs rubber tube (12), and the inside of multiunit the rubber tube (12) all installs second magnet post (13), buckle (14) are installed to one side of the inside of fixed frame (1), the rear end face of movable frame (4) installs handle pull handle (15), fixed frame (16) and fixed frame (17) and fixed frame (16) are seted up in the welding, the utility model discloses a rain-proof cloth, including fixed deckle board (16), the inside rear end face fixed connection of the one end of cloth for awing (7) and fixed deckle board (16), the other end of cloth for awing (7) runs through fixed logical groove (17), movable plate (18) are installed to the other end tip of cloth for awing (7), and the upper portion of movable plate (18) has seted up logical groove (19) of stepping down, the upper portion fixed mounting of outer seal plate (3) has push rod (20), the end face welding of fixed frame (1) has two sets of guide arm (21), two sets of guide hole (22) have been seted up to the terminal surface of movable plate (18), and are two sets of the one end of guide arm (21) runs through two sets of respectively guide hole (22), two sets of plastic spring (23) are installed on the upper portion of fixed deckle board (16), and are two sets of movable rod (24) are installed to the one end tip of plastic spring (23).
2. An insulated bridge-cut-off aluminium window according to claim 1, characterized in that the length of the flashing (7) is greater than the inner width of the fixed frame panel (16).
3. An insulated bridge-cut-off aluminium window according to claim 1, characterized in that the length of the gap between two sets of said guide holes (22) is the same as the length of the gap between two sets of said guide rods (21).
4. The heat-insulating bridge-cut-off aluminum window as claimed in claim 1, wherein a positioning frame plate (27) is welded on the lower end face of the fixing frame (1), a limiting frame plate (25) is installed at the open end of the collecting bag (8), two groups of through holes (26) and two groups of handles (30) are arranged on the upper portion of the limiting frame plate (25), two groups of fixing screws (28) are welded on the upper portion of the positioning frame plate (27), one ends of the two groups of fixing screws (28) respectively penetrate through the insides of the two groups of through holes (26), and nuts (29) are sleeved on the side walls of the two groups of fixing screws (28).
5. An insulated bridge-cut-off aluminium window according to claim 4, characterized in that two sets of said fastening screws (28) and two sets of said nuts (29) are threaded to each other.
6. An insulated bridge-cut-off aluminium window according to claim 4, characterized in that the length of the limiting frame (25) is greater than the internal length of the positioning frame (27).
7. The window of claim 1, wherein the pull tab (15) is adapted to be rotatably fastened to the latch (14).
8. An insulated bridge-cut-off aluminium window according to claim 1, characterized in that a plurality of sets of said first magnetic columns (6) respectively correspond to a plurality of sets of said second magnetic columns (13).
CN202222608314.2U 2022-09-30 2022-09-30 Heat-insulating bridge-cut-off aluminum window Active CN218509304U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222608314.2U CN218509304U (en) 2022-09-30 2022-09-30 Heat-insulating bridge-cut-off aluminum window

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222608314.2U CN218509304U (en) 2022-09-30 2022-09-30 Heat-insulating bridge-cut-off aluminum window

Publications (1)

Publication Number Publication Date
CN218509304U true CN218509304U (en) 2023-02-21

Family

ID=85214072

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222608314.2U Active CN218509304U (en) 2022-09-30 2022-09-30 Heat-insulating bridge-cut-off aluminum window

Country Status (1)

Country Link
CN (1) CN218509304U (en)

Similar Documents

Publication Publication Date Title
CN114142381B (en) Debugging equipment capable of limiting wiring terminal for electric power ring main unit
CN109546956B (en) Photovoltaic panel protection device
CN218509304U (en) Heat-insulating bridge-cut-off aluminum window
CN209761186U (en) Environment-friendly energy-saving aluminum alloy window
CN216239433U (en) Crystal silicon photovoltaic sun visor device combined with glass curtain wall
CN207739903U (en) A kind of top device capable of automatically sealing bottom applied in door body
CN217537429U (en) Steel construction wall body based on energy-conserving assembled
CN113005953A (en) Protective fence mounting mechanism for municipal engineering and operation method thereof
CN208267661U (en) A kind of door and window hardware component and door and window system
CN219181015U (en) Sensor integrated control box capable of being installed rapidly
CN218953061U (en) Door and window translation locking mechanism convenient to installation
CN205063616U (en) Little ventilation unit of strong wind safety is prevented to outer flat -open
CN213244148U (en) Sports camera convenient to install
CN214246349U (en) Skylight of electricity generation from area
CN212487956U (en) A push-and-pull door for duck house
CN218328716U (en) Rotating bracket of solar heat collecting plate
CN220645746U (en) Dustproof shutter
CN2675827Y (en) Suspension type flat-opened combined window with double layer glass
CN221079888U (en) Vacuum circuit breaker
CN216360954U (en) Green building heat preservation sunshade system
CN220848456U (en) Sandwich type aluminum honeycomb panel convenient to install
CN211038367U (en) Prevent tourism hotel revolving door of tong
CN215990665U (en) Combined solar photovoltaic panel convenient to install
CN217354083U (en) Heat-insulation casement window
CN211396909U (en) Construction site dust screen convenient to installation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant