Portable bridge-cutoff aluminum invisible push-pull insect-proof gauze

Abstract

The utility model discloses a portable bridge-cutoff aluminum invisible push-and-pull insect-proof gauze, and relates to the field of insect-proof gauzes, the portable bridge-cutoff aluminum invisible push-and-pull insect-proof gauze comprises two side main beams and an insect-proof gauze, the top ends of the two side main beams are provided with a top fixing frame, the bottom ends of the two side main beams are provided with a bottom fixing frame, and the insect-proof gauze is arranged on the bottom fixing frame. The two side main beams are respectively spliced with the top fixing frame and the bottom fixing frame to form a square frame; the number of the insect-proof gauze elements is multiple, and the insect-proof gauze elements are installed in the square frame in a sliding mode. Through the connection design of the locking screws, the two side main beams, the top fixing frame and the bottom fixing frame are detachable, the square frame can be detached into a plurality of rod assemblies during transportation, the size is small, transportation is more convenient and faster, after the square frame is transported to a destination, the square frame is installed and fixed through the locking screws, installation and construction are facilitated according to a grain depot site, and the construction efficiency is improved. Installation is simple, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the field of insect-proof screens, in particular to a portable hidden push-pull insect-proof screen for broken bridge aluminum. Background Technique

[0002] A grain depot refers to a warehouse or facility for storing grains. The main function of a grain depot is to protect grains from various environmental factors, such as humidity, temperature, pests, and microorganisms, to ensure the quality and safety of grains. The design and management of a grain depot need to consider the following aspects:

[0003] The building structure of a grain depot should be able to provide good ventilation and heat insulation performance to control the internal temperature and humidity. Common types of grain depots include silos, flat warehouses, steel plate warehouses, etc. An effective temperature and humidity control system, such as a ventilation system, refrigeration equipment, and dehumidifiers, should be equipped inside the grain depot to maintain suitable storage conditions. Insect prevention measures should be taken in the grain depot, such as physical control, chemical control, etc. Physical control mainly adopts methods such as sealing treatment, fumigation, low-temperature storage, screen meshes, and ventilation port barriers to prevent pests from invading and multiplying.

[0004] Screen meshes and ventilation port barriers are to install fine screen meshes at the windows and ventilation ports of the grain depot to prevent mosquitoes from flying in. The commonly used method at present is to install a hidden push-pull insect-proof screen. The hidden push-pull insect-proof screen is a new type of door and window protection product, mainly used to prevent mosquitoes from entering the room while maintaining good ventilation effects. This product combines the characteristics of a hidden screen window and a sliding window.

[0005] At present, there are still some deficiencies in the practical application of the hidden push-pull insect-proof screen for broken bridge aluminum in the industry. The specific deficiencies are as follows:

[0006] In order to improve the structural strength, the frame of the hidden push-pull insect-proof screen is generally fixed at the factory. However, the frame of the hidden push-pull insect-proof screen is large in volume, and the installation and transportation are not convenient enough. The installation and disassembly processes at the windows or ventilation ports of the grain depot are difficult and complex. Therefore, a portable hidden push-pull insect-proof screen for broken bridge aluminum needs to be provided. Content of the Utility Model

[0007] In view of this, the purpose of the present utility model is to provide a portable hidden push-pull insect-proof screen for broken bridge aluminum to solve the technical problems that the frame of the hidden push-pull insect-proof screen is generally fixed at the factory to improve the structural strength, the frame of the hidden push-pull insect-proof screen is large in volume, the installation and transportation are not convenient enough, and the installation and disassembly processes at the windows or ventilation ports of the grain depot are difficult and complex.

[0008] To achieve the above purpose, the present utility model is realized through the following technical solutions:

[0009] Portable invisible push-pull insect-proof screen for broken bridge aluminum, including side main beams and an insect-proof screen. There are two side main beams in total. At the top ends of the two side main beams, a top fixing frame is installed. At the bottom ends of the two side main beams, a bottom fixing frame is installed. The two side main beams are respectively spliced with the top fixing frame and the bottom fixing frame to form a square frame; there are multiple pieces of the insect-proof screen, and the multiple pieces of the insect-proof screen are slidably installed in the square frame.

[0010] As a preferred technical solution of the present utility model, locking screws are respectively arranged on the surface of the bottom fixing frame and the surface of the top fixing frame, and the surface of the bottom fixing frame and the surface of the top fixing frame are respectively fixedly installed at both ends of the side main beam through the locking screws.

[0011] As a preferred technical solution of the present utility model, opening grooves are respectively formed on the bottom surface of the bottom fixing frame and the top surface of the top fixing frame, the locking screws are installed in the corresponding opening grooves, a bottom bone plate is arranged at the bottom of the opening groove, and the bottom bone plate and the corresponding bottom fixing frame / top fixing frame are of an integral structure.

[0012] As a preferred technical solution of the present utility model, corresponding slide rails are respectively arranged on the surface of the bottom fixing frame and the surface of the top fixing frame. There are multiple slide rails in total, and adjacent two slide rails are arranged in parallel at equal intervals. The slide rails are arranged at the top end inner wall and the bottom end inner wall of the square frame.

[0013] As a preferred technical solution of the present utility model, a push-pull frame one, a connecting frame, and a push-pull frame two are installed in the middle of the square frame formed by splicing two side main beams with the top fixing frame and the bottom fixing frame. The push-pull frame one, the connecting frame, and the push-pull frame two are slidably connected in the middle of the square frame, and the push-pull frame one, the connecting frame, and the push-pull frame two are respectively slidably connected on the corresponding slide rails in the middle of the square frame.

[0014] As a preferred technical solution of the present utility model, the number of the connecting frames is one to three. At both ends of each connecting frame, a protruding clamping plate is arranged. Adjacent two connecting frames are slidably connected. On the surface of the push-pull frame one facing the connecting frame direction and on the surface of the push-pull frame two facing the connecting frame direction, protruding clamping plates are respectively arranged.

[0015] As a preferred technical solution of the present utility model, the multiple pieces of the insect-proof screen installed in the square frame are respectively fixed on the push-pull frame one, the connecting frame, and the push-pull frame two.

[0016] As an optimal technical solution of the utility model, the bottoms of the push-pull frame 1, the connecting frame and the push-pull frame 2 are each rotatably connected to running wheels, and the bottoms of the push-pull frame 1, the connecting frame and the push-pull frame 2 are slidably connected to the corresponding slide rails through the running wheels.

[0017] As a preferred technical solution of the utility model, the inner wall surfaces of the push-pull frame 1, the connecting frame and the push-pull frame 2 are each provided with a clearance groove, the edge of the insect-proof gauze extends into the corresponding clearance groove, the edge of the insect-proof gauze extending into the clearance groove is installed with a gauze presser foot, the surface of the gauze presser foot is installed with a fixing screw, and the gauze presser foot is locked and fixed in the clearance groove by the fixing screw.

[0018] As a preferred technical solution of the present invention, a handle groove is respectively provided on the surface of the push-pull frame 1 and the surface of the push-pull frame 2.

[0019] The beneficial effects of the utility model are:

[0020] The utility model adopts an assembly and splicing design for the aluminum invisible sliding insect-proof screen of the thermal bridge. The structure has a small volume before assembly, occupies a small area, is easy to transport and install, and is provided with two side main beams. The top ends of the two side main beams are installed with top fixing frames, and the bottom ends of the two side main beams are installed with bottom fixing frames. The two side main beams are respectively spliced ​​with the top fixing frame and the bottom fixing frame to form a square frame; the surface of the bottom fixing frame and the surface of the top fixing frame are respectively fixedly connected to the two ends of the side main beams by locking screws, and the locking screws are detachable and installed, which makes installation and disassembly more convenient. The connection design of the locking screws makes the two side main beams and the top fixing frame and the bottom fixing frame detachable. During transportation, the square frame can be disassembled into several poles, which has a small volume and is more convenient to transport. After being transported to the destination, it is installed and fixed by locking screws, which is convenient for installation and construction according to the grain storage site. The installation is simple and the operation is convenient.

[0021] The utility model has a plurality of insect-proof gauze nets, which are slidably installed in a square frame. The plurality of insect-proof gauze nets installed in the square frame are respectively fixed on a push-pull frame 1, a connecting frame and a push-pull frame 2, and the bottoms of the push-pull frame 1, the connecting frame and the push-pull frame 2 are rotatably connected with walking wheels, which roll on the slide rails, and the sliding of the bottoms of the push-pull frame 1, the connecting frame and the push-pull frame 2 on the slide rails is changed into rolling contact, which effectively improves the smoothness of the sliding of the push-pull frame 1, the connecting frame and the push-pull frame in the square frame, and reduces the resistance during the push-pull process.

[0022] In this utility model, convex clamping plates are provided at both ends of each connecting frame. Adjacent connecting frames are slidably connected. Through the clamping plates, adjacent connecting frames can be slid out or retracted in sequence. On one surface of the push-pull frame facing the connecting frame and on the other surface of the push-pull frame facing the connecting frame, convex clamping plates are provided respectively, which facilitates the user to arbitrarily push the push-pull frame one or the push-pull frame two to open or close the screen window. Handle grooves are respectively formed on the surface of the push-pull frame one and the surface of the push-pull frame two, which facilitates the user to push the push-pull frame one or the push-pull frame two to slide within the square frame.

[0023] Other advantages, objectives and features of this utility model will be described to some extent in the subsequent specification, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be learned from the practice of this utility model. The objectives and other advantages of this utility model can be achieved and obtained through the following specification. Brief Description of the Drawings

[0024] Figure 1 is the schematic diagram of the external structure of the portable broken bridge aluminum invisible push-pull insect-proof screen of this utility model;

[0025] Figure 2 is the attached Figure 1 partial enlarged view at A of the specification of this utility model;

[0026] Figure 3 is the schematic diagram of the top view sectional structure of the portable broken bridge aluminum invisible push-pull insect-proof screen of this utility model;

[0027] Figure 4 is the schematic diagram of the left view partial sectional structure of the portable broken bridge aluminum invisible push-pull insect-proof screen of this utility model;

[0028] Figure 5 is the attached Figure 4 partial enlarged view at B of the specification of this utility model;

[0029] In the figure: side main beam 1, push-pull frame one 2, connecting frame 3, push-pull frame two 4, handle groove 5, insect-proof screen 6, bottom fixed frame 7, top fixed frame 8, opening groove 9, bottom bone plate 10, locking screw 12, clamping plate 13, slide rail 14, roller groove 15, walking wheel 17, screen pressing foot 19, fixing screw 20, relief groove 21. Detailed Description of the Preferred Embodiments

[0030] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. Components of the embodiments of the present utility model usually described and illustrated in the accompanying drawings herein can be arranged and designed in various different configurations.

[0031] Therefore, the detailed description of the embodiments of the present utility model provided in the accompanying drawings below is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0032] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not require further definition and explanation in subsequent drawings.

[0033] In the above description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "one side", "the other side", etc. is based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, terms such as "first", "second", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0034] In addition, terms such as "the same" do not mean that the components are absolutely the same, but there may be slight differences. The term "perpendicular" only means that the positional relationship between components is more perpendicular relative to "parallel", and does not mean that the structure must be completely perpendicular, but may be slightly inclined.

[0035] Embodiment 1

[0036] Please refer to Figures 1-5 , a technical solution provided by the present utility model: a portable broken bridge aluminum invisible sliding insect-proof screen, including side main beams 1 and insect-proof screens 6. There are two side main beams 1 in total. A top fixing frame 8 is installed at the top ends of the two side main beams 1, and a bottom fixing frame 7 is installed at the bottom ends of the two side main beams 1. The two side main beams 1 are respectively spliced with the top fixing frame 8 and the bottom fixing frame 7 to form a square frame; there are multiple insect-proof screens 6 in total, and the multiple insect-proof screens 6 are slidably installed in the square frame.

[0037] The surfaces of the bottom fixing frame 7 and the top fixing frame 8 are each provided with locking screws 12, and the surfaces of the bottom fixing frame 7 and the top fixing frame 8 are respectively fixedly installed at both ends of the side main beam 1 through the locking screws 12.

[0038] The utility model adopts an assembled and spliced design for the broken bridge aluminum invisible push-pull insect-proof screen 6. Before assembly, the structure has a small volume and occupies a small area, which is convenient for transportation and installation. There are two side main beams 1 in total. A top fixing frame 8 is installed at the top ends of the two side main beams 1, and a bottom fixing frame 7 is installed at the bottom ends of the two side main beams 1. The two side main beams 1 are respectively spliced with the top fixing frame 8 and the bottom fixing frame 7 to form a square frame; the surfaces of the bottom fixing frame 7 and the top fixing frame 8 are each fixedly connected to both ends of the side main beam 1 by locking screws 12. The locking screws 12 are detachably installed, and the installation and disassembly are more convenient. Through the connection design of the locking screws 12, the two side main beams 1, the top fixing frame 8 and the bottom fixing frame 7 are detachable. When transporting, the square frame can be disassembled into several rod-shaped parts, with a small volume and more convenient transportation. After being transported to the destination, it is fixed by the locking screws 12, which is convenient for installation construction according to the grain depot site. The installation is simple and the operation is convenient.

[0039] Open slots 9 are respectively provided on the bottom surface of the bottom fixing frame 7 and the top surface of the top fixing frame 8. The locking screws 12 are installed in the corresponding open slots 9. A bottom bone plate 10 is provided at the bottom of the open slot 9. The bottom bone plate 10 and the corresponding bottom fixing frame 7 / top fixing frame 8 are of an integral structure. It is convenient to install the bottom fixing frame 7 and the top fixing frame 8 into the window holes of the grain depot. The open slots 9 can reduce the space of the window holes required for installation. The surfaces of the bottom fixing frame 7 and the top fixing frame 8 are each provided with corresponding slide rails 14. There are multiple slide rails 14 in total. The adjacent two slide rails 14 are arranged in parallel at equal intervals. The slide rails 14 are arranged at the inner wall top end and the inner wall bottom surface of the square frame.

[0040] A push-pull frame one 2, a connecting frame 3, and a push-pull frame two 4 are installed in the middle of the square frame formed by splicing the two side main beams 1 with the top fixing frame 8 and the bottom fixing frame 7. The push-pull frame one 2, the connecting frame 3, and the push-pull frame two 4 are slidably connected in the middle of the square frame. The push-pull frame one 2, the connecting frame 3, and the push-pull frame two 4 are respectively slidably connected to the corresponding slide rails 14 in the middle of the square frame. It is convenient to open and close the insect-proof screen 6 in the window hole.

[0041] Multiple pieces of insect-proof screens 6 installed in the square frame are respectively fixed on the push-pull frame one 2, the connecting frame 3, and the push-pull frame two 4.

[0042] The inner wall surfaces of the first push-pull frame 2, the connecting frame 3, and the second push-pull frame 4 are each provided with a relief groove 21. The edge of the insect-proof screen 6 extends into the corresponding relief groove 21. A screen pressing foot 19 is installed at the edge of the insect-proof screen 6 extending into the relief groove 21. A fixing screw 20 is installed on the surface of the screen pressing foot 19. The screen pressing foot 19 is locked and fixed in the relief groove 21 through the fixing screw 20, improving the installation firmness of the insect-proof screen 6, facilitating the straightening and flattening of the surface of the insect-proof screen 6, and effectively preventing the surface of the insect-proof screen 6 from sagging.

[0043] The number of connecting frames 3 is one to three. Each end of each connecting frame 3 is provided with a protruding clamping plate 13. Adjacent two connecting frames 3 are slidably connected. The surface of the first push-pull frame 2 facing the connecting frame 3 and the surface of the second push-pull frame 4 facing the connecting frame 3 are each provided with a protruding clamping plate 13. Handle grooves 5 are respectively opened on the surfaces of the first push-pull frame 2 and the second push-pull frame 4.

[0044] In the present utility model, each end of each connecting frame 3 is provided with a protruding clamping plate 13. Adjacent two connecting frames 3 are slidably connected. Through the clamping plate 13, adjacent two connecting frames 3 can be slid out or retracted in sequence. The surface of the first push-pull frame 2 facing the connecting frame 3 and the surface of the second push-pull frame 4 facing the connecting frame 3 are each provided with a protruding clamping plate 13, facilitating the user to arbitrarily push the first push-pull frame 2 or the second push-pull frame 4 to open or close the screen window. Handle grooves 5 are respectively opened on the surfaces of the first push-pull frame 2 and the second push-pull frame 4, facilitating the user to push the first push-pull frame 2 or the second push-pull frame 4 to slide within the square frame.

[0045] Embodiment 2

[0046] Please refer to Figures 1-5 , which is another technical solution provided by the present utility model. This embodiment has the same parts as the above Embodiment 1, and the same parts will not be elaborated in this embodiment. The specific differences are as follows:

[0047] A portable broken bridge aluminum invisible push-pull insect-proof screen includes side main beams 1 and an insect-proof screen 6. There are two side main beams 1 in total. A top fixing frame 8 is installed at the top ends of the two side main beams 1, and a bottom fixing frame 7 is installed at the bottom ends of the two side main beams 1. The two side main beams 1 are respectively spliced with the top fixing frame 8 and the bottom fixing frame 7 to form a square frame; there are multiple insect-proof screens 6 in total, and the multiple insect-proof screens 6 are slidably installed in the square frame.

[0048] Locking screws 12 are respectively arranged on the surfaces of the bottom fixing frame 7 and the top fixing frame 8. The surfaces of the bottom fixing frame 7 and the top fixing frame 8 are respectively fixedly installed at both ends of the side main beam 1 through the locking screws 12.

[0049] The utility model adopts an assembled and spliced design for the broken bridge aluminum invisible push-pull insect-proof screen 6. Before assembly, the structural volume is small, the occupied area is small, which is convenient for transportation and installation. There are two side main beams 1 in total. At the top of the two side main beams 1, a top fixing frame 8 is installed, and at the bottom of the two side main beams 1, a bottom fixing frame 7 is installed. The two side main beams 1 are respectively spliced with the top fixing frame 8 and the bottom fixing frame 7 to form a square frame; on the surface of the bottom fixing frame 7 and the surface of the top fixing frame 8, locking screws 12 are respectively used to fixedly connect the two ends of the side main beam 1. The locking screws 12 are detachably installed, and the installation and disassembly are more convenient. Through the connection design of the locking screws 12, the two side main beams 1, the top fixing frame 8 and the bottom fixing frame 7 are detachable. During transportation, the square frame can be disassembled into several rod-shaped parts, with a small volume and more convenient transportation. After being transported to the destination, it is installed and fixed through the locking screws 12, which is convenient for installation construction according to the grain depot site. The installation is simple and the operation is convenient.

[0050] Roller grooves 15 are respectively opened at the bottoms of the push-pull frame one 2, the connecting frame 3 and the push-pull frame two 4. A traveling wheel 17 is rotatably connected inside the roller groove 15. The bottoms of the push-pull frame one 2, the connecting frame 3 and the push-pull frame two 4 are slidably connected to the corresponding slide rails 14 through the traveling wheels 17.

[0051] The utility model has multiple pieces of insect-proof screens 6 in total. The multiple pieces of insect-proof screens 6 are slidably installed in the square frame. The multiple pieces of insect-proof screens 6 installed in the square frame are respectively fixed on the push-pull frame one 2, the connecting frame 3 and the push-pull frame two 4. Through the traveling wheels 17 respectively rotatably connected to the bottoms of the push-pull frame one 2, the connecting frame 3 and the push-pull frame two 4, the traveling wheels 17 roll on the slide rails 14, changing the sliding of the bottoms of the push-pull frame one 2, the connecting frame 3 and the push-pull frame two 4 on the slide rails 14 into rolling contact, effectively improving the smoothness of the sliding of the push-pull frame one 2, the connecting frame 3 and the push-pull frame in the square frame and reducing the resistance during the pushing and pulling process.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.

Claims

1. A portable aluminum invisible push-pull insect-proof screen, comprising a side main beam (1) and an insect-proof screen (6), characterized in that: There are two side main beams (1) in total, and top fixing frames (8) are installed at the top ends of the two side main beams (1), and bottom fixing frames (7) are installed at the bottom ends of the two side main beams (1). The two side main beams (1) are respectively spliced ​​with the top fixing frames (8) and the bottom fixing frames (7) to form a square frame; there are a plurality of insect-proof gauze nets (6) in total, and the plurality of insect-proof gauze nets (6) are slidably installed in the square frame.

2. The portable broken bridge aluminum invisible push-pull insect-proof screen according to claim 1 is characterized by: The surface of the bottom fixing frame (7) and the surface of the top fixing frame (8) are each provided with a locking screw (12), and the surface of the bottom fixing frame (7) and the surface of the top fixing frame (8) are respectively fixedly mounted on the two ends of the side main beam (1) by means of the locking screws (12).

3. The portable broken bridge aluminum invisible push-pull insect-proof screen according to claim 2 is characterized by: The bottom surface of the bottom fixing frame (7) and the top surface of the top fixing frame (8) are each provided with an opening groove (9), a locking screw (12) is installed in the corresponding opening groove (9), a bottom bone plate (10) is provided at the bottom of the opening groove (9), and the bottom bone plate (10) and the corresponding bottom fixing frame (7) / top fixing frame (8) are an integral structure.

4. The portable broken bridge aluminum invisible push-pull insect-proof screen according to claim 1 is characterized by: The surface of the bottom fixed frame (7) and the surface of the top fixed frame (8) are each provided with a corresponding slide rail (14), and a plurality of the slide rails (14) are provided, and two adjacent slide rails (14) are arranged in parallel with equal intervals, and the slide rails (14) are arranged on the top and bottom surfaces of the inner walls of the square frame.

5. The portable aluminum invisible push-pull insect-proof screen according to claim 4 is characterized by: A push-pull frame 1 (2), a connecting frame (3) and a push-pull frame 2 (4) are installed in the middle of the square frame, which is formed by splicing two side main beams (1) with a top fixed frame (8) and a bottom fixed frame (7). The push-pull frame 1 (2), the connecting frame (3) and the push-pull frame 2 (4) are slidably connected in the middle of the square frame. The push-pull frame 1 (2), the connecting frame (3) and the push-pull frame 2 (4) are respectively slidably connected to corresponding slide rails (14) in the middle of the square frame.

6. The portable aluminum invisible push-pull insect-proof screen according to claim 5 is characterized by: The number of the connecting frames (3) is one to three, and each of the two ends of the connecting frame (3) is provided with a protruding card support plate (13). Two adjacent connecting frames (3) are slidably connected to each other, and the surface of the push-pull frame one (2) facing the direction of the connecting frame (3) and the surface of the push-pull frame two (4) facing the direction of the connecting frame (3) are each provided with a protruding card support plate (13).

7. The portable aluminum invisible push-pull insect-proof screen according to claim 6 is characterized by: The plurality of insect-proof screens (6) installed in the square frame are respectively fixed on the first push-pull frame (2), the connecting frame (3) and the second push-pull frame (4).

8. The portable aluminum invisible push-pull insect-proof screen according to claim 7 is characterized by: The bottoms of the push-pull frame 1 (2), the connecting frame (3) and the push-pull frame 2 (4) are rotatably connected to running wheels (17), and the bottoms of the push-pull frame 1 (2), the connecting frame (3) and the push-pull frame 2 (4) are slidably connected to corresponding slide rails (14) via the running wheels (17).

9. The portable aluminum invisible push-pull insect-proof screen according to claim 7 is characterized by: The inner wall surfaces of the push-pull frame 1 (2), the connecting frame (3) and the push-pull frame 2 (4) are each provided with a clearance groove (21), the edge of the insect-proof gauze (6) extends into the corresponding clearance groove (21), the edge of the insect-proof gauze (6) extending into the clearance groove (21) is installed with a gauze presser foot (19), the surface of the gauze presser foot (19) is installed with a fixing screw (20), and the gauze presser foot (19) is locked and fixed in the clearance groove (21) by the fixing screw (20).

10. The portable thermal break aluminum invisible push-pull insect-proof screen according to claim 5 is characterized by: A handle groove (5) is provided on the surface of the push-pull frame 1 (2) and the surface of the push-pull frame 2 (4).

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