CN210292253U - Net cover structure and air duct machine - Google Patents

Net cover structure and air duct machine Download PDF

Info

Publication number
CN210292253U
CN210292253U CN201921139053.6U CN201921139053U CN210292253U CN 210292253 U CN210292253 U CN 210292253U CN 201921139053 U CN201921139053 U CN 201921139053U CN 210292253 U CN210292253 U CN 210292253U
Authority
CN
China
Prior art keywords
frame
outer frame
buckle
air conditioner
mesh enclosure
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
CN201921139053.6U
Other languages
Chinese (zh)
Inventor
黄逸轩
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.)
Ningbo Aux Electric Co Ltd
Original Assignee
Ningbo Aux Electric 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 Ningbo Aux Electric Co Ltd filed Critical Ningbo Aux Electric Co Ltd
Priority to CN201921139053.6U priority Critical patent/CN210292253U/en
Application granted granted Critical
Publication of CN210292253U publication Critical patent/CN210292253U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

The utility model provides a screen panel structure and tuber pipe machine, the screen panel structure, the lamp comprises a frame, be provided with the filter screen on the frame, the upper and lower side of frame is provided with first buckle and second buckle respectively, first buckle be suitable for with tuber pipe machine's return air apron joint, the second buckle be suitable for with tuber pipe machine's lower apron joint, the left and right side of frame all is provided with installation limit structure. The utility model has the advantages that: the mesh enclosure structure in the ducted air conditioner can be conveniently mounted and dismounted.

Description

Net cover structure and air duct machine
Technical Field
The utility model relates to an air conditioning technology field particularly, relates to a screen panel structure and tuber pipe machine.
Background
At present, an embedded ducted air conditioner is attractive after being installed, convenient to use and higher in air conditioner field, however, because the ducted air conditioner is usually installed inside a suspended ceiling, the disassembly and the cleaning of the ducted air conditioner are often inconvenient, in the disassembly and the cleaning of the ducted air conditioner, the disassembly frequency of a ducted air conditioner mesh enclosure with a filter screen is usually higher, in the related technology, a sliding rail is arranged on the ducted air conditioner body, and a corresponding inserting piece or a folding edge and other structures are matched on the mesh enclosure to be in sliding connection with the ducted air conditioner body, so as to carry out the installation, in this situation, the production cost is usually higher, when the mesh enclosure slides from left to right to install a return air inlet of the ducted air conditioner, the left side and the right side of the mesh enclosure are difficult to be provided with limiting structures for limiting, and in the installation of the ducted air conditioner, a suspended ceiling at the return air inlet of the ducted air conditioner is usually, therefore, when the length of the mesh enclosure is long, the mesh enclosure is difficult to slide into the side face of the air duct machine for installation, and the material selection of the mesh enclosure is fixed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem make things convenient for the installation of screen panel structure to dismantle.
In order to solve the problems, the utility model provides a screen cover structure, which comprises an outer frame, wherein a filter screen is arranged on the outer frame, the upper side and the lower side of the outer frame are respectively provided with a first buckle and a second buckle, the left side and the right side of the outer frame are respectively provided with an installation limiting structure, the screen cover structure is installed in a clamping fit mode, compared with the installation mode of sliding the screen cover structure into a ducted air conditioner, the screen cover structure is easier to operate, the installation and the disassembly are more convenient, meanwhile, when the ducted air conditioner is installed in a suspended ceiling, the situation that the screen cover structure slides in from the side of the ducted air conditioner, a larger maintenance opening of the suspended ceiling needs to be arranged to satisfy a larger operation space, so that the indoor appearance is more beautiful when the ducted air conditioner is installed, meanwhile, the effect of limiting the position can be achieved when the screen cover structure is installed through, and in the use, prevent that the screen panel structure from controlling the skew, influence the result of use appearing in the air outlet department of tuber pipe machine body.
Optionally, installation limit structure is spacing buckle, and it is spacing through the joint of spacing buckle, can prevent that the tuber pipe machine is in the use, and vibration around the screen panel structure appears.
Optionally, first buckle includes elastic component and trip, elastic component includes stiff end and free end, the stiff end with the frame is connected, the free end with the trip is connected, and efficiency is dismantled in the installation of improvement screen panel structure that can be very big.
Optionally, the frame surface is provided with the through-hole, the stiff end is located the frame front side, the trip passes the through-hole is located the frame rear side, when screen panel structural mounting, installer can directly press first buckle through being outside at the tuber pipe machine, conveniently realizes that the installation of screen panel structure and tuber pipe machine body is fixed and subsequent dismantlement maintenance, and the rear side that the frame was arranged in to the trip also enables the outward appearance of tuber pipe machine more pleasing to the eye simultaneously.
Optionally, the elastic part is the U type, and for the elastic part of other shapes, the application of force is easier, and it is wider to drive trip home range simultaneously, makes things convenient for the installation of screen panel structure, and the structural strength of elastic part is bigger simultaneously.
Optionally, the screen panel structure still includes the support, the support with each frame of frame is equal fixed connection, supports each frame of frame through the support, can make the overall structure intensity of screen panel structure bigger, avoids the tuber pipe machine when using, and the screen panel structure produces too big vibration.
Optionally, the frame with the support is located same horizontal plane, the filter screen with the frame and support fixed connection, through the support of support and frame to the filter screen, can prevent in the tuber pipe machine use, the vibration of filter screen.
Optionally, the outer frame is a rectangular frame, the support is cross-shaped, four supporting points of the support are respectively and fixedly connected with four frames of the outer frame, the cross-shaped support is used for supporting and fixing the four frames of the rectangular frame, and the overall structural strength of the mesh enclosure structure is improved.
Optionally, the filter screen is the plastics filter screen, can save the manufacturing cost of filter screen.
A tuber pipe machine, includes foretell screen panel structure.
Optionally, including the tuber pipe machine body, first buckle with the return air apron joint of tuber pipe machine body, the second buckle with the lower apron joint of tuber pipe machine body.
Optionally, the electric control box comprises a wind pipe machine body, the installation limiting structure is a limiting buckle, the limiting buckle on the left side of the outer frame is connected with the left side plate of the wind pipe machine body in a clamped mode, and the limiting buckle on the right side of the outer frame is connected with the electric control box of the wind pipe machine body in a clamped mode.
Ducted air conditioner be the same for the beneficial effect among the prior art with foretell screen panel structure, be not repeated here.
Drawings
Fig. 1 is a schematic view of a part of a mesh enclosure structure of the present invention when being installed with an air duct machine;
FIG. 2 is an enlarged view of M in FIG. 1;
fig. 3 is a schematic view of the mesh enclosure of the present invention;
fig. 4 is a front view of the mesh enclosure structure of the present invention;
fig. 5 is a side view of the mesh enclosure structure of the present invention;
fig. 6 is a first schematic structural view of the mesh enclosure structure and the ducted air conditioner according to the present invention;
fig. 7 is a second schematic structural view of the mesh enclosure structure and the ducted air conditioner according to the present invention;
fig. 8 is a side view of the mesh enclosure structure of the present invention when installed with a ducted air conditioner.
Description of reference numerals:
1-an outer frame; 101-a first buckle; 1011-an elastic part; 1012-hook; 1111-fixed end; 1112-a free end; 102-a second buckle; 103-limiting buckle; 104-a through hole; 111-upper border; 112-left frame; 113-right frame; 114-lower border; 2, filtering a screen; 3-the ducted air conditioner body; 301-return air cover plate; 302-lower cover plate; 303-left side plate; 304-an electronic control box; 4-bracket.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
The following detailed description refers to an orientation: references in the embodiments to "front", "rear", "upper", "lower", "left", "right", etc., indicate directions or positional relationships that are shown in the drawings, and these directions are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
Referring to fig. 1-8, the utility model provides a mesh enclosure structure, including frame 1, be provided with filter screen 2 on the frame 1, the upper and lower side of frame 1 is provided with first buckle 101 and second buckle 102 respectively, the left and right side of frame 1 all is provided with installation limit structure.
Referring to fig. 3-5, the utility model discloses in, the screen panel structure is including frame 1, and specific frame 1 is the rectangular frame structure, and it includes frame 111, left frame 112, right frame 113, lower frame 114, and wherein frame 111, left frame 112, right frame 113, lower frame 114 enclose into the filter screen installing zone of rectangle jointly for return air filter screen 2 of tuber pipe machine is installed in the filter screen installing zone.
In the correlation technique, be provided with the slide rail on the tuber pipe machine body to cooperate corresponding inserted sheet or hem isotructure and tuber pipe machine body sliding connection on the screen panel, install with this, but under this condition, manufacturing cost is higher usually, and when the screen panel was from left to right sliding installation air intake pipe machine's return air inlet, the left and right sides of screen panel was difficult to set up limit structure and was spacing.
In the present invention, the upper frame 111 is provided with a first buckle 101, and the lower frame 112 is provided with a second buckle 102, in this embodiment, there are two first buckles 101, two second buckles 102 are arranged in the middle of the upper frame 111 side by side, arranged in the middle of the lower frame 112 side by side, the mesh enclosure structure is integrally clamped at an air return inlet of the air duct machine through a first fastener 101 and a second fastener 102, the mesh enclosure structure is installed in a clamping fit mode, and compared with the installation mode of sliding the mesh enclosure structure into the ducted air conditioner, the mesh enclosure structure is easier to operate, so that the mesh enclosure structure is more convenient to install and disassemble, meanwhile, when the air duct machine is installed in a suspended ceiling, the situation that the mesh enclosure structure slides in from the side surface of the air duct machine does not exist, and need set up great maintenance mouth with the furred ceiling in order to satisfy great operating space to the indoor outward appearance when making the tuber pipe machine installation is more pleasing to the eye.
Wherein, the first buckle 101 and the second buckle 102 of screen panel structure can take direct joint to form the installation on the turn-ups, hem isotructure that the return air inlet department of tuber pipe machine body exists fixed to this when easy to assemble dismantles, need not carry out great improvement to tuber pipe machine body 3's structure itself the utility model discloses in, return air inlet department upside at tuber pipe machine body 3 has return air apron 3, first buckle 101 be suitable for with tuber pipe machine body 3's return air apron 301 joint, have lower cover plate 302 at tuber pipe machine body 3's return air inlet department downside, second buckle 102 be suitable for with tuber pipe machine body 3's lower cover plate 302 joint to this forms the screen panel structure and is fixed with tuber pipe machine body 3's installation.
Optionally, a clamping hole structure matched with the first buckle 101 is arranged at a return air cover plate 301 of the air duct machine body 3, and a clamping hole structure matched with the second buckle 102 is arranged at a lower cover plate 302 of the air duct machine body 3, so that the clamping fixing effect of the air duct machine body 3 and the mesh enclosure structure is further improved, and meanwhile, by arranging the clamping hole structure, the relative position of the mesh enclosure structure and the air duct machine body 3 can be controlled and limited during installation, and the position deviation of the mesh enclosure structure during installation is prevented.
And simultaneously the utility model discloses in, be provided with installation limit structure on the left and right side of frame 1, wherein, it is concrete, installation limit structure sets up on left frame 112 and right frame 113, through installation limit structure, can play the effect that the position was injectd when the screen panel structrual installation, and makes things convenient for the installation of screen panel structure to and in the use, prevent that the skew about the air outlet department of screen panel structure at tuber pipe machine body 3 from appearing, influence the result of use.
The utility model discloses an in an optional embodiment, installation limit structure is spacing buckle 103, and when screen panel structrual installation was on tuber pipe machine body 3, spacing buckle 103 and tuber pipe machine body 3's the left and right sides joint to this plays the spacing effect of joint, thereby prevents to take place the offset about the screen panel structure, and it is spacing to be able to prevent simultaneously through the joint of spacing buckle 103 that the tuber pipe machine is in the use, and the screen panel structure vibration appears around.
Optionally, the limiting buckle 103 located on the left side of the outer frame 1 is clamped with the left side plate 303 of the air duct machine body 3, and the limiting buckle 103 located on the right side of the outer frame 1 is clamped with the electric control box 304 of the air duct machine body 3, so that the mesh enclosure structure is limited and fixed with the air duct machine body 3.
The utility model discloses in, the form that installation limit structure took spacing buckle 103 carries out the spacing only of joint the utility model discloses a preferred scheme, wherein, set up spacing shelves spare, spacing isotructure and tuber pipe machine body 3's the left and right sides respectively the butt equally can reach this purpose.
In an optional embodiment of the present invention, the first buckle 101 includes an elastic portion 1011 and a hook 1012, the elastic portion 1011 includes a fixed end 1111 and a free end 1112, the fixed end 1111 is connected to the outer frame 1, and the free end 1112 is connected to the hook 1012.
Referring to fig. 1 and 2, in the present invention, the first buckle 101 includes an elastic portion 1011 and a hook 1012, the hook 1012 is adapted to be engaged with the return air cover 301 of the air duct body 3, wherein the hook 1012 includes a fixed end 1111 and a free end 1112, the fixed end 1111 is fixedly connected to the outer frame 1, the free end 1112 is fixedly connected to the hook 1012 so as to be able to move or press the free end 1112, and the hook 1012 is driven to move under the action of the elastic portion 1011, in the present invention, the hook 1012 is moved up and down in the vertical direction by pressing the elastic portion 1011, when the mesh cover structure is installed, the mesh cover structure covers the return air inlet of the air duct body 3, the free end 1112 of the elastic portion 1012 drives the hook to move down by pressing the elastic portion 1011, so that the hook enters the return air inlet of the air duct body 3, after the mesh cover structure is engaged with the return air inlet of the air duct body 3, because elastic part 1011's elasticity, trip 1012 upwards kick-backs to trip 1012 catches on tuber pipe machine body 3's return air apron 301, installs fixedly with this screen panel structure, prevents that the screen panel structure from dropping from tuber pipe machine body 3's return air inlet department, when dismantling, presses elastic part, can follow the return air inlet with trip 1012 and take out, thereby pull down the screen panel structure, with this very big improvement screen panel structure's installation dismantlement efficiency.
In an optional embodiment of the present invention, the surface of the outer frame 1 is provided with a through hole 104, the fixed end 1111 is located at the front side of the outer frame 1, and the hook 1012 passes through the through hole 104 and is located at the rear side of the outer frame 1.
Referring to fig. 1-5, the front side of the outer frame 1 is the side of the outer frame 1 facing the user in the use state, the corresponding rear side of the outer frame 1 is the side facing the inside of the ducted air conditioner body 3, wherein, the surface of the outer frame 1 is provided with a through hole 104, the through hole 104 is positioned on the upper frame 111 of the outer frame 1, the fixed end 1111 of the elastic part 1011 is fixedly arranged at the front side of the outer frame 1, the hook 1012 connected with the elastic part 1011 passes through the through hole 104 and then is positioned at the rear side of the outer frame 1, and the part of the elastic part 1011 is positioned at the front side of the outer frame 1, thereby, when the mesh enclosure structure is installed, an installer can directly press the first buckle 101 on the outside of the air duct machine, so that the installation and fixation of the mesh enclosure structure and the air duct machine body 3 and the subsequent disassembly and maintenance are conveniently realized, meanwhile, the clamping hook 1012 is arranged at the rear side of the outer frame 1, so that the appearance of the ducted air conditioner is more attractive.
Wherein, optionally, the fixed end 1111 is located at the front side of the outer frame 1 and below the through hole 104, so that the elastic part can be pressed from top to bottom to clamp the first buckle 101 with the air return cover plate 301.
In an optional embodiment of the present invention, referring to fig. 1 and 2, the elastic portion 1011 is a U-shaped structure, wherein the elastic portion 1011 of the U-shaped structure is located at the front side of the outer frame 1, an end portion of the U-shaped structure is a fixed end 1111, which is connected to the front side of the outer frame 1, another end portion of the U-shaped structure is a free end 1112, the free end 1112 is connected to the hook 1012 and passes through the through hole 104 to be located at the rear side of the outer frame 1, so that the opening of the U-shaped structure faces the rear side of the outer frame 1, and for the elastic portion 1011 of other shapes, the application of force is easier, the range of motion of the hook 1012 is wider, which facilitates the installation of the mesh enclosure structure, and the structural strength.
In an optional embodiment of the present utility model, the mesh enclosure structure further includes a support 4, and the support 4 is fixedly connected to each frame of the outer frame 1. Referring to fig. 3-7, each frame of the outer frame 1 is supported by the support 4, so that the overall structural strength of the mesh enclosure structure is higher, and the mesh enclosure structure is prevented from generating excessive vibration when the ducted air conditioner is in use.
Optionally, the outer frame 1 is a rectangular frame, correspondingly, the support 4 is cross-shaped, and four fulcrums of the support 4 are respectively and fixedly connected with four frames of the outer frame 1, so that the four frames of the rectangular frame are respectively supported and fixed, and the overall structural strength is improved.
In an optional embodiment of the present invention, the frame 1 and the support 4 are located on the same horizontal plane, the filter screen 2 and the frame 1 and the support 4 are fixedly connected, referring to fig. 3-5, the support 4 and the frame 1 form an integral frame, the filter screen 2 is integrally covered on the surface of the frame, and the support 4 and the frame 1 support the filter screen 2, so as to prevent the vibration of the filter screen 2 during the use of the air duct machine.
In the correlation technique, the screen panel structure adopts the slidingtype setting on tuber pipe machine body 3, for easy to assemble, need to make screen panel structure, filter screen etc. through metal material, if iron system to make can carry out certain bending with the screen panel structure when the installation, under this kind of circumstances, can't make the screen panel structure through the plastics for comparatively cheap the utility model discloses in, when the screen panel structure passes through the form of joint and tuber pipe machine body 3 joint installation, filter screen 2 can adopt plastic filters to this reduction in production cost does not influence the installation and uses.
The utility model also provides a ducted air conditioner, including above-mentioned screen panel structure, wherein, ducted air conditioner includes ducted air conditioner body 3, first buckle 101 with the return air apron 301 joint of ducted air conditioner body 3, second buckle 102 with the lower apron 302 joint of ducted air conditioner body 3, the installation limit structure is spacing buckle 103, the spacing buckle 103 that is located the left side of frame 1 with the left side board 303 joint of ducted air conditioner body 3, the spacing buckle 103 that is located the right side of frame 1 with the automatically controlled box 304 joint of ducted air conditioner body 3, install the screen panel structure through the form of the cooperation of joint, relative to the installation form of sliding the screen panel structure into ducted air conditioner, it is easier to operate, make the installation dismantle more convenient, simultaneously when the ducted air conditioner is installed in the furred ceiling, there can not exist because make the screen panel structure slide in from the ducted air conditioner side, and need set up great maintenance mouth with the furred ceiling in order to satisfy great operating space to the indoor appearance when making tuber pipe machine installation is more pleasing to the eye, simultaneously through installing limit structure, can play the effect that the position was injectd when the screen panel structrual installation, and make things convenient for the installation of screen panel structure, and in the use, prevent that the skew about the screen panel structure appears in tuber pipe machine body 3's air outlet department, influence the result of use.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims (10)

1. The utility model provides a screen panel structure, its characterized in that, includes frame (1), be provided with filter screen (2) on frame (1), the upper and lower side of frame (1) is provided with first buckle (101) and second buckle (102) respectively, the left and right side of frame (1) all is provided with installation limit structure.
2. The mesh enclosure structure of claim 1, wherein the first catch (101) comprises an elastic part (1011) and a hook (1012), the elastic part (1011) comprises a fixed end (1111) and a free end (1112), the fixed end (1111) is connected with the outer frame (1), and the free end (1112) is connected with the hook (1012).
3. The mesh enclosure structure of claim 2, wherein the outer frame (1) is provided with a through hole (104) on a surface thereof, the fixing end (1111) is located on a front side of the outer frame (1), and the hook (1012) passes through the through hole (104) and is located on a rear side of the outer frame (1).
4. The screen structure according to claim 1, characterized in that it further comprises a bracket (4), said bracket (4) being fixedly connected to each rim of said outer frame (1).
5. The mesh enclosure structure of claim 4, wherein the outer frame (1) and the bracket (4) are located on the same horizontal plane, and the filter screen (2) is fixedly connected with the outer frame (1) and the bracket (4).
6. The mesh enclosure structure of claim 4 or 5, wherein the outer frame (1) is a rectangular frame, the support (4) is a cross-shaped frame, and four supporting points of the support (4) are respectively fixedly connected with four frames of the outer frame (1).
7. The screen structure of claim 1, wherein the mounting and limiting structure is a limiting snap (103).
8. The mesh enclosure structure of claim 1, wherein the filter mesh (2) is a plastic filter mesh.
9. A ducted air conditioner including the screen structure of any one of claims 1 to 8.
10. The ducted air conditioner according to claim 9, comprising a ducted air conditioner body (3), wherein the first latch (101) is latched to a return air cover plate (301) of the ducted air conditioner body (3), and the second latch (102) is latched to a lower cover plate (302) of the ducted air conditioner body (3).
CN201921139053.6U 2019-07-19 2019-07-19 Net cover structure and air duct machine Active CN210292253U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921139053.6U CN210292253U (en) 2019-07-19 2019-07-19 Net cover structure and air duct machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921139053.6U CN210292253U (en) 2019-07-19 2019-07-19 Net cover structure and air duct machine

Publications (1)

Publication Number Publication Date
CN210292253U true CN210292253U (en) 2020-04-10

Family

ID=70103277

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921139053.6U Active CN210292253U (en) 2019-07-19 2019-07-19 Net cover structure and air duct machine

Country Status (1)

Country Link
CN (1) CN210292253U (en)

Similar Documents

Publication Publication Date Title
EP3279584A1 (en) Air-conditioner indoor unit
CN108344155A (en) A kind of air conditioner
CN210292253U (en) Net cover structure and air duct machine
CN112432242A (en) Evaporator mounting structure
CN108917158B (en) Filter screen connecting structure and air conditioner
CN1896618A (en) Air-filtering net structure of indoor unit for cabinet air-conditioner
CN212378097U (en) Air duct machine
CN209944704U (en) Air conditioner indoor unit easy to disassemble and wash and air conditioner with same
CN210381654U (en) Electrical apparatus box, air conditioner wall-mounted unit and air conditioner
CN215930055U (en) Filter screen assembly structure and air conditioner
CN212378226U (en) Filter screen support structure
CN208487693U (en) A kind of idle call shell structure, air conditioner housing and air conditioner
CN211041172U (en) Air conditioner filter screen limit structure and have its air conditioner
CN205897480U (en) Air -out panel and air conditioner device
CN215842188U (en) Easy-to-assemble and disassemble air net structure and range hood
CN212057635U (en) Modularized fresh air heater
CN210050894U (en) Wall-mounted air conditioner indoor unit and air conditioner
CN210511825U (en) Fume exhauster
CN211949148U (en) Bathroom electrical apparatus mounting structure
CN215930075U (en) Panel components and new trend device
CN217952475U (en) Cabinet air conditioner
CN214156889U (en) Screen panel mounting structure convenient to disassemble and assemble
CN218154470U (en) Embedded air conditioner
CN219204913U (en) LED display module and LED display device with same
CN217583625U (en) Connecting bent pipe for oxygenerator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant