WO2022094823A1

WO2022094823A1 - Isolation canopy convenient to use

Info

Publication number: WO2022094823A1
Application number: PCT/CN2020/126615
Authority: WO
Inventors: 杨锦添; 郑中兴
Original assignee: 杨锦添; 郑中兴
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2022-05-12

Abstract

An isolation canopy convenient to use, comprising a mounting base (20) and a transparent canopy body (30). A mounting area (211) allowing for placement of a mattress (10) is provided in the mounting base (20); the transparent canopy body (30) is detachably assembled on the mounting base (20); the transparent canopy body (30) covers the installation area (211) to form an isolation space above the mattress (10); and the outer periphery of the transparent canopy body (30) is provided with a plurality of windows (36) that are openable to allow for access to the isolation space. According to the design of the mounting base (20) and the transparent canopy body (30), the mattress (10) is disposed in the mounting area (211), and the transparent canopy body (30) is connected to the mounting base (20), such that the transparent canopy body (30) and the mattress (10) form an isolation space. Compared with traditional fixed structures, the present isolation canopy is easy to operate and convenient to use; in addition, the transparent canopy body (30) facilitates observation of patient conditions by medical staffs; and the provision of the windows (36) facilitates patient inspection by medical staffs extending hands into the isolation space. The isolation canopy is ingenious and reasonable in structure design and has high practicability and a wide application range.

Description

An easy-to-use isolation cover

technical field

The invention relates to the technology in the field of isolation covers, in particular to an isolation cover that is convenient to use.

Background technique

At present, epidemic prevention work is one of the essential tasks in the hospital. Whenever a new infectious virus is encountered, the source of infection must be isolated to prevent the further expansion of the infection; however, the isolation work is not as simple as imagined, and its main The reasons are as follows: the hospital does not have enough isolation rooms. For this reason, someone invented an isolation bed to isolate patients with infectious diseases; the existing isolation bed structure is poorly designed, and the bed and the isolation cover are usually fixed together. It cannot be separated, and the overall size is large. When a large-scale epidemic occurs, it is impossible to isolate infectious disease patients in time.

Therefore, it is necessary to study a new technical solution to solve the above problems.

technical solutions

In view of this, the present invention is aimed at the deficiencies in the prior art, and its main purpose is to provide an easy-to-use isolation cover, which can set the mattress in the installation area through the design of the mounting seat and the transparent cover, and use the transparent cover to set the mattress in the installation area. The body is connected with the mounting seat so that the transparent cover body and the mattress form an isolated space, the operation is simple and the use is convenient, and the setting of the window is helpful for medical staff to extend into the isolated space to examine patients with a wide range of applications.

To achieve the above object, the present invention adopts the following technical scheme:

An easy-to-use isolation cover, comprising a mounting seat and a transparent cover body; wherein:

The mounting seat is provided with a mounting area for placing the mattress; the transparent cover is detachably assembled on the mounting seat, and the transparent cover covers the mounting area to form an isolation above the mattress space; the outer periphery of the transparent cover body is provided with a plurality of windows that can be opened and closed to communicate with the isolated space.

As a preferred solution, the mounting base includes a bottom plate, a mounting frame and a support member, the bottom plate is used to extend toward the bottom of the mattress so that the mattress is pressed and positioned on the bottom plate, and the mounting area is formed on the bottom of the bottom plate. At the upper end, the mounting frame is arranged above the mattress, the support piece is connected between the bottom plate and the mounting frame and is located on one side of the mattress; the transparent cover is detachably assembled on the mounting frame.

As a preferred solution, the bottom plate is arranged at the lower front part of the mattress, the mounting frame is arranged at the upper front part of the mattress, the bottom plate is horizontally extended front and rear, and the support is located at the front end of the mattress;

The installation frame includes two side frames and a connecting rod, the two side frames are arranged at a left and right spacing, the left and right ends of the connecting rod are respectively connected to the two side frames, and the transparent cover is installed on the two side frames. on the side frame.

As a preferred solution, the bottom plate has an upwardly extending connecting portion, and the supporting member is connected to the connecting portion; the upper end of the supporting member is provided with two extending portions toward the mattress, and the two extending portions are spaced from left to right. The lower ends of the two extension parts are positioned on the upper end of the mattress, the upper ends of the extension parts are provided with support parts, and the front ends of the two side frames are connected to the corresponding support parts to form the installation Positioning between the frame and the mattress.

As a preferred solution, the mounting base includes two side frames arranged at left and right intervals and a connecting piece connected between the two side frames, the connecting piece has two movable rods, one end of the two movable rods The other ends are pivotally connected to the two side frames respectively, and the two movable rods can be folded or unfolded selectively with each other to realize the folding or unfolding between the two side frames, and, The installation area is located between the two side frames; the transparent cover is detachably assembled on the two side frames.

As a preferred solution, the pivot structure includes a hinge, the opposite sides between the two movable rods are provided with concave positions, and both ends of the hinge are pivotally connected to the concave positions of the corresponding movable rods. The hinge can be selectively hidden in the concave position or exposed on the outside of the movable rod with the operation of the two movable rods.

As a preferred solution, it also includes a positioning sleeve, the positioning sleeve can be movably arranged on any movable rod; when unfolded, the two movable rods are kept in the unfolded state, and the positioning sleeve is displaced to two The connection between the movable rods; when folded, the positioning sleeve is away from the connection between the two movable rods, and the two movable rods are folded with each other.

As a preferred solution, the opposite sides between the two side frames are provided with mounting parts, and the other ends of the movable rods are pivotally connected to the corresponding mounting parts; Keep the distance between.

As a preferred solution, there are three connecting pieces, one connecting piece is arranged at the upper end of the rear side of the two side frames, and the other two connecting pieces are arranged at the upper and lower positions of the front side of the two side frames respectively. .

As a preferred solution, the transparent cover body includes a top film, a front side film, a back side film, a left side film and a right side film, and the top film, the front side film and the back side film are integrally connected and provided, The left and right sides of the top film, the front side film and the rear side film are respectively sealed and connected to the edges of the left side film and the right side film, and a connecting edge is formed; the connecting edge is provided with a connecting mechanism, and the The transparent cover body is detachably assembled on the two side frames through the connecting mechanism; the windows are respectively placed on the front side film, the rear side film, the left side film and the right side film.

Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solutions that the mattress is arranged in the installation area mainly through the design of the mounting seat and the transparent cover, and the transparent The cover body is connected with the mounting seat to form an isolated space between the transparent cover body and the mattress. Compared with the traditional fixed structure, the operation is simple and the use is convenient. At the same time, the transparent cover body is convenient for medical staff to observe the patient's condition, and the setting of the window , it is beneficial for medical staff to extend into the isolation space to check patients, the structure design is ingenious and reasonable, the practicability is strong, and the scope of application is wide.

In order to illustrate the structural features and effects of the present invention more clearly, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Description of drawings

FIG. 1 is a schematic perspective view of a first embodiment of the present invention;

Figure 2 is an exploded view of the first embodiment of the present invention;

3 is a first perspective schematic view of the transparent cover according to the first embodiment of the present invention;

4 is a second perspective view of the transparent cover according to the first embodiment of the present invention;

5 is a third perspective view of the transparent cover according to the first embodiment of the present invention;

6 is a schematic diagram of a mounting frame according to a second embodiment of the present invention;

FIG. 7 is a partial enlarged schematic view of the structure shown in FIG. 6 .

FIG. 8 is a first three-dimensional schematic view of a third embodiment of the present invention (a mattress is shown in the figure);

9 is a second perspective view of the third embodiment of the present invention;

Figure 10 is a left side view of the third embodiment of the present invention;

Figure 11 is a right side view of the third embodiment of the present invention;

FIG. 12 is a partial schematic view of a connector according to a third embodiment of the present invention;

Fig. 13 is the first sectional view of the third embodiment of the present invention (the two movable rods are in an unfolded state in the figure, and the positioning sleeve is arranged at the connection of the two movable rods);

Figure 14 is a second cross-sectional view of the third embodiment of the present invention (the positioning sleeve is separated from the connection of the two movable rods in the figure)

FIG. 15 is a three-dimensional schematic diagram of the mounting seat according to the third embodiment of the present invention (the mounting seat is in a folded state in the figure);

16 is a front view of the mounting seat of the third embodiment of the present invention (the mounting seat is in a folded state in the figure);

FIG. 17 is a partially enlarged schematic view of the structure shown in FIG. 16 .

Description of drawings:

10. Mattress 20. Mounting seat

21. Bottom plate 211. Connection part

22. Mounting frame 221. Side frame

222, connecting rod 223, bushing

224, shaft hole 225. Spindle

23. Support 231. Extension

232, support part 30, transparent cover

301, connecting edge 302, second film sheet

31. Top membrane 32. Front side membrane

33. Rear side membrane 331. Connecting membrane

332, the first film sheet 333, the sealing film

334, opening 34, left membrane

35. Right side membrane 36. Window

37. Connection mechanism 38. Pocket

21', side frame 211’, installation area

212', installation part 22', connector

221', movable rod 222', elastic reset piece

223’, card convex 224', guide

225', recessed 226', give way hole

23', pivot structure 231', hinge

24', positioning sleeve 241', positioning hole

242', guide groove 25', universal wheel

302', film sheet 321', placement area.

BEST MODE FOR CARRYING OUT THE INVENTION

Please refer to FIG. 1 to FIG. 17 , which show the specific structures of three embodiments of the present invention.

An easy-to-use isolation cover, comprising a mounting seat 20 and a transparent cover body 30; wherein:

The mounting seat 20 is provided with a mounting area 211 for placing the mattress 10 ; the transparent cover 30 is detachably assembled on the mounting seat 20 , and the transparent cover 30 covers the mounting area 211 to An isolation space above the mattress 10 is formed; the outer periphery of the transparent cover 30 is provided with a number of windows 36 that can be opened and closed to communicate with the isolation space; preferably, the transparent cover 30 is a TPU transparent cover; in this way, by installing The design of the seat and the transparent cover, the mattress is placed in the installation area, and the transparent cover is connected with the installation seat to form an isolated space between the transparent cover and the mattress. Compared with the traditional fixed structure, the operation is simple and easy to use. , At the same time, the transparent cover is convenient for medical staff to observe the patient's condition, and the setting of the window is beneficial for medical staff to extend into the isolation space to check the patient.

As shown in Figure 1 to Figure 5, it shows the specific structure of the first embodiment of the present invention:

The mounting seat 20 includes a bottom plate 21, a mounting frame 22 and a support member 23. The bottom plate 21 is extended toward the bottom of the mattress 10 so that the mattress 10 is pressed and positioned on the bottom plate 21. The mounting area is formed on the bottom of the bottom plate. At the upper end, the mounting frame 22 is disposed above the mattress 10 , the support member 23 is connected between the bottom plate 21 and the mounting frame 22 and is located on one side of the mattress 10 ; the transparent cover 30 is detachably assembled on the on the mounting bracket 22.

As shown in FIG. 1 and FIG. 2 , the bottom plate 21 is arranged at the lower end front section of the mattress 10 , the mounting frame 22 is arranged at the upper front section position of the mattress 10 , the bottom plate 21 is horizontally extended front and rear, and the The support 23 is located at the front end of the mattress 10;

The mounting frame 22 includes two side frames 221 and a connecting rod 222. The two side frames 221 are arranged at a left and right distance. The left and right ends of the connecting rod 222 are respectively connected to the two side frames 221. The transparent The cover body 30 is mounted on the two side frames 221 .

In addition, the bottom plate 21 has a connecting portion 211 extending upward, and the supporting member 23 is connected to the connecting portion 211; the upper end of the supporting member 23 is provided with two extending portions 231 toward the direction of the mattress 10. The extension portions 231 are arranged on the support member 23 at a left and right interval. The lower ends of the two extension portions 231 are both positioned at the upper end of the mattress 10 . The upper ends of the extension portions 231 are provided with support portions 232 . connected to the corresponding support portion 232 to form the positioning between the mounting frame 22 and the mattress 10;

Here, each of the two side frames 221 has two vertically extending vertical bars, and the front vertical bars are respectively connected to the corresponding supporting parts 232; and the extending parts 231 of the supporting members 23 abut against the bed Above the mattress 10;

As shown in FIG. 2 , in the first embodiment, the connecting rods 222 are fixedly connected to the upper ends of the two side frames 221 ; here, there are two connecting rods 222 , and the two connecting rods 222 are front and rear. Spacing arrangement.

As shown in FIG. 6 and FIG. 7 , in the second embodiment, the main structure is the same as the structure shown in the first embodiment, the difference is that the side frame 221 can be folded and connected to the connecting rod 222, so Both the side frame 221 and the connecting rod 222 are provided with a shaft hole 224 and a rotating shaft 225. The rotating shaft 225 is sequentially connected to the shaft hole 224 of the side frame 221 and the connecting rod 222. The side frame 221 can be selectively Spread out or fold in.

As shown in Figure 8 to Figure 17, it shows the specific structure of the third embodiment of the present invention:

The mounting base 20 includes two side frames 21' arranged at a left and right interval and a connecting piece 22' connected between the two side frames 21'. The connecting piece 22' has two movable rods 221', two One end of each movable rod 221' is pivotally connected through the pivot structure 23', and the other end thereof is pivotally connected to the two side frames 21' respectively. The two side frames 21' are folded or unfolded, and the installation area 211 is located between the two side frames 21'; the transparent cover 30 is detachably assembled on the two side frames 21'.

As shown in FIG. 13 to FIG. 17 , the pivot structure 23 ′ includes a hinge 231 ′, the opposite sides between the two movable rods 221 ′ are provided with recesses 225 ′, and the two ends of the hinge 231 ′ are respectively The hinge 231 ′ can be selectively hidden in the recess 225 ′ or exposed outside the movable rod 221 ′ according to the operation of the two movable rods 221 ′.

As shown in Fig. 9, Fig. 12, Fig. 13, Fig. 14, a positioning sleeve 24' is also included, and the positioning sleeve 24' is movably arranged on any movable rod 221'; The rods 221' remain in the unfolded state, and the positioning sleeve position 24' is displaced to the connection between the two movable rods 221'; when folded, the positioning sleeve 221' is far away from the connection between the two movable rods 221' , the two movable rods 221' are folded with each other.

Here, the positioning sleeve 24' is positioned on the movable rod 221' in a snap-type manner. Two positioning holes 241' are formed on the positioning sleeve 24'. On the positioning sleeve 24', an elastic reset member 222' is arranged inside the movable rod 221', the elastic reset member 222' has a latching protrusion 223', and the outer side of the movable rod 221' is provided with a vacant hole 226 ', the latching protrusion 223' is exposed in the escape hole 226', and the latching protrusion 223' is adapted to be positioned in any positioning hole 241' to realize the positioning connection between the positioning sleeve 24' and the movable rod 221' .

In addition, the positioning sleeve 24' is also provided with a guide groove 242', and the guide groove 242' is extended from left to right. ' is located in the guide groove 242', and the guide groove 242' moves with the displacement of the positioning sleeve 24', so that the guide piece 224' abuts on either end of the guide groove 242', so that the positioning sleeve 24' is positioned on the movable rod. 221' for guiding and positioning the upper displacement; and, the guide groove 242' and the positioning hole 241' are arranged on the same side; in this way, the setting of the positioning sleeve prevents the two movable rods from being retracted under the action of external force when they are unfolded. At the same time, the setting of the snap protrusion and the positioning hole facilitates the positioning when the positioning sleeve is folded or unfolded, and the setting of the guide groove and the guide piece realizes the guide of the displacement of the positioning sleeve on the movable rod. , Simple operation, convenient use and accurate positioning.

As shown in FIG. 9 , FIG. 15 , and FIG. 16 , the opposite sides between the two side frames 21 ′ are provided with mounting portions 212 ′, and the other ends of the movable rods 221 ′ are pivotally connected to the corresponding mounting portions 212 ′ respectively. When folded, the distance between the mounting parts 212' of the two side frames 21' is kept; and, there are three connecting pieces 22', and one connecting piece 22' is arranged behind the two side frames 21' At the side upper end position, the other two connecting pieces 22' are respectively arranged at the upper and lower positions of the front side of the two side frames 21'.

The transparent cover body 30 includes a top film 31, a front side film 32, a back side film 33, a left side film 34 and a right side film 35, and the top film 31, the front side film 32 and the back side film 33 are integrated. Connection setting, the left and right sides of the top film 31 , the front side film 32 and the rear side film 33 are respectively hermetically connected to the edges of the left side film 34 and the right side film 35 and form a connecting edge 301; the connection The side 301 is provided with a connecting mechanism 37, and the transparent cover 30 is detachably assembled on the mounting seat through the connecting mechanism 37; the windows 36 are respectively placed on the front side film 32, the rear side film 33, the left side film 34, On the right side film 35; preferably, the top film 31, the front side film 32, the rear side film 33 and the left side film 34 and the right side film 35 are sealed and connected by sewing or voltage edge.

As shown in FIGS. 2 to 5 , in the first embodiment, a connecting film 331 is provided between the rear side film 33 , the left side film 34 and the right side film 35 ; and the window 36 of the rear side film 33 is Two first film sheets 332 are arranged inside, and the two first film sheets 332 are arranged one after the other. The two first film sheets 332 are both provided with openings 334, and the opening 334 of one of the first film sheets 332 is located in the other first film sheet 332. The side of the opening 332 of the film sheet 334 .

The windows 36 of the front side film 32, the left side film 34 and the right side film 35 are all provided with four second film sheets 302, and the four second film sheets 302 are arranged in sequence along the periphery of the window 36; The film 333 is located at the upper end of the window 36 of the rear film 33 . The sealing film 333 can be folded and arranged on the rear film 33 to open or close the window 36 of the rear film 33 .

As shown in FIG. 8 to FIG. 11 , in the third embodiment, four thin film sheets 302 ′ are arranged in the windows 36 of the front side film 32 , the rear side film 33 , the left side film 34 and the right side film 35 . The four film sheets 302 ′ are arranged in sequence along the periphery of the window 36 ; and the front side film 32 is provided with a placement area 321 ′ for placing medical equipment, and the placement area 321 ′ is located in the window 36 of the front side film 32 . Below; in this way, it is helpful for medical staff to place medical equipment and treat or examine patients in the isolation space.

Preferably, the left side film 34 and the right side film 35 are further provided with pockets 38 for placing tools, and the pockets 38 are located under the windows 36 of the left side film 34 and the right side film 35; The film sheet 332, the second film sheet 302, and the film sheet 302' are all sealed and connected to the corresponding windows 36 by sewing or voltage edge; 333. The film sheets 302' are all TPU films.

And, the connecting mechanism 37 is a Velcro, and the Velcro includes a male sticker and a female sticker, one of the male stickers and the female stickers is arranged on the mounting seat 20, and the other is arranged on the connecting edge 301 , the male stickers and the female stickers cooperate with each other to form the assembly positioning of the transparent cover body 30 and the mounting seat 20;

Alternatively, the connecting mechanism 37 is a sewing cloth, the sewing cloth is extended along the direction of the connecting edge 301 , the sewing cloth is wound on the mounting seat 20 and fixed by sewing to form the transparent cover 30 and the mounting Assembly and positioning of the seat 20.

As shown in Fig. 8, Fig. 9, Fig. 15, Fig. 16, there are also provided universal wheels 25', four universal wheels 25' are provided, and the four universal wheels 25' are respectively arranged on the two side frames The front and rear sides of the lower end of 21'; in this way, it is beneficial to the movement of the isolation cover as a whole, and at the same time, it is beneficial to the storage of the folded mounting seat, and the space is small and the usability is good.

Next, the assembling process in the present invention is introduced:

In the first embodiment, the mattress is first pressed on the bottom plate and the connecting part is exposed, and then the support is connected to the connecting part; then, the transparent cover is assembled on the installation frame, and then the two parts of the installation frame are assembled. The vertical rods of the side frame are respectively assembled on the corresponding support parts; or, the vertical rods of the side frame are first assembled on the support parts, and then the transparent cover is assembled in the installation frame;

In the third embodiment, the two side frames are first displaced outward from each other, and then the two movable rods are linked to carry out the outward expansion operation, and then the positioning sleeve is displaced to the connection between the two movable rods 221; then , place the mattress in the installation area, and then assemble the transparent cover on the two side frames.

The key point of the design of the present invention is that the mattress is placed in the installation area mainly through the design of the mounting seat and the transparent cover, and the transparent cover is connected with the mounting seat to form an isolated space between the transparent cover and the mattress. Compared with the traditional fixed structure, it is simpler to operate and easier to use. At the same time, the transparent cover is convenient for medical staff to observe the patient's condition. Moreover, the setting of the window is beneficial for medical staff to extend into the isolation space to check the patient. The structure design is ingenious and reasonable. Strong practicability and wide application.

The above are only preferred embodiments of the present invention, and do not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still It belongs to the scope of the technical solution of the present invention.

Claims

An easy-to-use isolation cover is characterized in that: it includes a mounting seat and a transparent cover body; wherein:

The mounting seat is provided with a mounting area for placing the mattress; the transparent cover is detachably assembled on the mounting seat, and the transparent cover covers the mounting area to form an isolation above the mattress space; the outer periphery of the transparent cover body is provided with a plurality of windows that can be opened and closed to communicate with the isolated space.
An easy-to-use isolation cover according to claim 1, wherein the mounting base comprises a bottom plate, a mounting frame and a support member, and the bottom plate is used to extend toward the bottom of the mattress so that the mattress can be pressed against Positioned on the bottom plate, the mounting area is formed on the upper end of the bottom plate, the mounting frame is arranged above the mattress, the support piece is connected between the bottom plate and the mounting frame and is located on one side of the mattress; the transparent cover The body is detachably assembled on the mounting frame.
An easy-to-use isolation cover according to claim 2, characterized in that: the bottom plate is arranged at the lower end front of the mattress, the mounting frame is arranged at the upper front of the mattress, and the bottom plate is horizontal extending, the support is located at the front end of the mattress;

The installation frame includes two side frames and a connecting rod, the two side frames are arranged at a left and right spacing, the left and right ends of the connecting rod are respectively connected to the two side frames, and the transparent cover is installed on the two side frames. on the side frame.
An easy-to-use isolation cover according to claim 2 , characterized in that: the bottom plate has a connecting portion extending upward, and the supporting member is connected to the connecting portion; the upper end of the supporting member faces the direction of the mattress Two extension parts are provided, and the two extension parts are arranged on the support member at a left and right interval. The lower ends of the two extension parts are both positioned on the upper end of the mattress. The front ends are all connected to the corresponding support parts to form the positioning between the mounting frame and the mattress .
An easy-to-use isolation cover according to claim 1, characterized in that: the mounting seat comprises two side frames arranged at a left and right spacing and a connecting piece connected between the two side frames, the connecting The component has two movable rods, one end of the two movable rods is pivotally connected through a pivot structure, and the other ends of the two movable rods are pivotally connected to the two side frames respectively. The two side frames are folded or unfolded, and the installation area is located between the two side frames; the transparent cover body is detachably assembled on the two side frames.
The easy-to-use isolation cover according to claim 5 , wherein the pivot structure includes a hinge, the opposite sides between the two movable rods are provided with recesses, and the two ends of the hinge are respectively The hinge is pivotally connected in the concave position of the corresponding movable rod, and the hinge can be selectively hidden in the concave position or exposed outside the movable rod with the operation of the two movable rods .
An easy-to-use isolation cover according to claim 5, further comprising a positioning sleeve, the positioning sleeve can be movably arranged on any movable rod; when unfolded, one of the two movable rods When folded, the positioning sleeve is kept away from the connection between the two movable rods, and the two movable rods are folded with each other. .
An easy-to-use isolation cover according to claim 5, wherein the opposite sides between the two side frames are provided with mounting portions, and the other ends of the movable rods are pivotally connected to the corresponding mounting portions respectively. ; When folded, keep the distance between the mounting parts of the two side frames.
An easy-to-use isolation cover according to claim 5, characterized in that: there are three connecting pieces, one connecting piece is arranged at the upper end of the rear side of the two side frames, and the other two connecting pieces are up and down respectively. It is arranged at the front lower section of the two side frames in a spaced manner.
An easy-to-use isolation cover according to claim 1, wherein the transparent cover body comprises a top film, a front side film, a rear side film, a left side film and a right side film, the top film, The front side film and the back side film are integrally connected, and the left and right sides of the top film, the front side film and the back side film are respectively sealed and connected to the edges of the left side film and the right side film and formed with connecting edges. ; A connecting mechanism is arranged on the connecting edge, and the transparent cover is detachably assembled on the two side frames through the connecting mechanism; the windows are respectively placed on the front side film, the rear side film, the left side film and the right side on the membrane.