Gauze element and fixing structure thereof

Abstract

The invention discloses a gauze fixing structure, which relates to the technical field of gauzes, and comprises a window frame and a gauze, and the upper end part of the window frame is provided with a winding mechanism for winding the gauze; by means of the winding mechanism, the gauze can be wound into a roll and is convenient to store, the guide pressing assembly can press the gauze extending out of the winding mechanism, the upper end of the window frame can be pressed, and the situation that normal use of the gauze is affected due to the fact that a gap appears after the gauze and the window frame are connected is avoided; the edge pressing and fixing mechanisms can press and fix the two side edges of the gauze element, the connecting positions of the side edges of the window frame and the gauze element can be pressed, it is avoided that gaps are reserved in the connecting positions of the gauze element and the side edges of the window frame, the gauze element attached with oil dirt can be cut off through the pressing and cutting-off mechanism, and the production efficiency is improved. And after the cutting treatment, the end part of the new gauze is pressed, so that the gauze can be replaced, and the gauze is convenient to replace.

Description

Technical Field

[0001] The invention relates to the technical field of gauze nets, in particular to a gauze net and a fixing structure thereof. Background Art

[0002] Screen classification: blue and white passivation, paint, plastic coated screen, stainless steel screen, aluminum alloy wire screen, glass fiber screen, invisible screen, plastic screen, etc. Performance: good toughness, corrosion resistance, easy to clean and not easy to deform. Uses: widely used in mosquito and insect prevention in homes, offices, hotels, etc. Width ranges from 0.6m to 1.5m. High-grade screens include stainless steel screen, epoxy coated screen, glass fiber flat woven invisible screen, etc.

[0003] The current screens need to be replaced every year during use. In places with oil stains, such as kitchens, the screens are more likely to be adhered to oil stains, which are inconvenient to clean and more troublesome to replace. Summary of the invention

[0004] In order to solve the defects in the prior art, the present invention provides a gauze net and a fixing structure thereof.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] The present invention discloses a fixing structure for a gauze net, comprising a window frame and a gauze net, wherein the upper end portion of the window frame is provided with a winding mechanism for winding the gauze net, and the top end of the window frame is provided with a guiding and pressing assembly for guiding and pressing the gauze net cover on the upper end portion of the window frame; both inner side surfaces of the window frame are provided with a side pressing and fixing mechanism for pressing the side of the gauze net, and the side pressing and fixing mechanism comprises a gauze pressing groove arranged on the inner side of the window frame, and the inner wall of the gauze pressing groove is provided with a plurality of first spring rods, and the ends of the plurality of first spring rods are connected with a pressing cover plate, and the outer side wall of the pressing cover plate is provided with a pressing plate, A V-shaped pressing groove is provided at the outer end of the pressing plate, a pressing block matching the pressing groove is provided at the outer side of the pressing mesh groove, and a limiting component is provided on the pressing cover plate for limiting the pressing cover plate after the pressing groove and the pressing block are pressed together; the limiting component includes a first spring latch provided at the inner end of the pressing cover plate, the inner end wall of the pressing mesh groove is provided with a limiting slot matching the pin rod of the first spring latch, a guide slide hole is provided on the flip cover plate, and the driving part of the first spring latch is provided with a guide push plate extending out of the guide slide hole; the bottom end of the window frame is provided with a pressing and cutting mechanism for pressing and cutting the bottom of the mesh.

[0007] As a preferred technical solution of the present invention, the clamping and cutting mechanism includes a clamping groove arranged on the inner side of the lower end of the window frame, the clamping groove is connected to a flap plate via a rotating shaft, the flap plate is provided with a cutting component for cutting off the contaminated gauze and a pressing component for pressing the cut gauze, a torsion spring is provided on the rotating shaft of the flap plate, and the inner side wall of the clamping groove is provided with a limit plate for the flap plate.

[0008] As a preferred technical solution of the present invention, the cutting assembly includes a cutter arranged on the inner wall of the flip plate and connected via a rotating shaft, the flip plate is provided with a limit block for limiting the position of the cutter after flipping, the limit block is provided with an L-shaped elastic block, and the cutter is provided with a limit slot matching the elastic block.

[0009] As a preferred technical solution of the present invention, the edge pressing assembly includes a pressure strip arranged on the inner wall of the clamping groove, the end face of the pressure strip is inclined and has a plurality of equally spaced strip grooves, and a strip pressure plate is provided at the end of the flip cover plate, the end face of the strip pressure plate is matched with the inclined end face of the pressure strip and is provided with a strip pressure block matching the plurality of strip grooves.

[0010] As a preferred technical solution of the present invention, the guiding and clamping assembly includes two frame-type brackets arranged on both sides of the upper end of the window frame, a pressing roller is arranged between the two frame-type brackets, and a support plate is provided on the window frame, which matches the pressing roller and is triangular and connected to the inner frame edge of the window frame.

[0011] As a preferred technical solution of the present invention, the inner wall of the frame-type bracket is provided with a second spring rod, the end of the second spring rod is provided with a semicircular first positioning ring, an adjusting screw is threadedly connected to the frame-type bracket, the inner end of the adjusting screw is connected to a second positioning ring matching the first positioning ring via a bearing, the end portions of the first positioning ring and the second positioning ring are respectively abutted against the inner wall of the frame-type bracket, and the outer end of the adjusting screw is provided with a rotating wheel.

[0012] As a preferred technical solution of the present invention, the winding mechanism includes two fixed plates, a mesh winding roller for winding the gauze is provided between the two fixed plates, and a damper is installed on the outer end of one of the fixed plates; when the gauze needs to be replaced, it is only necessary to pull the gauze with oil stains on the lower end, which will cause the mesh winding roller to rotate and release the gauze, and the new gauze can be covered on the window frame, and the damper can damp the mesh winding roller.

[0013] As a preferred technical solution of the present invention, a protective mechanism for protecting the winding mechanism is provided on the window frame, the protective mechanism includes a protective cover body arranged at the upper end of the window frame and covering the outside of the winding mechanism, guide rails matching the fixed plate are provided at both ends of the inner wall of the protective cover body, a mesh hole for the mesh to pass through is opened at the bottom end of the protective cover body, T-shaped mounting blocks are provided on both sides of the protective cover body, a mounting groove matching the mounting block is provided at the top of the window frame, a second spring latch is provided on the mounting block, and a positioning hole connected to the mounting groove and matching the pin rod of the second spring latch is provided on the window frame.

[0014] As a preferred technical solution of the present invention, a dustproof component is provided at the mesh hole of the protective cover body, and the dustproof component includes a conical sleeve plate arranged at the outside of the mesh hole, and an elastic pressure strip plate is provided on the inner wall of the opening of the conical sleeve plate.

[0015] A gauze net comprises the above-mentioned fixing structure of the gauze net.

[0016] The beneficial effects of the present invention are:

[0017] 1. This kind of gauze and its fixing structure can be rolled into a roll by a winding mechanism for easy storage. The guide pressing assembly can press the gauze extended from the winding mechanism, and can press the upper end of the window frame to avoid the gap between the gauze and the window frame after the connection, which affects the normal use of the gauze. The edge pressing and fixing mechanism can press and fix the two sides of the gauze, and can press the connection between the side of the window frame and the gauze, so as to avoid the gap between the side connection of the gauze and the window frame. The provided pressing and cutting mechanism can be used to cut off the gauze with oil stains. The gauze is cut and the end of the new gauze is pressed after the cutting process, so that the gauze can be replaced, which is convenient for replacing the gauze; wherein, when fixing the two side edges of the gauze, the side edges of the gauze are first pressed into the inside of the gauze pressing groove, and the pressure cover plate is pressed downward, and the pressure cover plate compresses multiple first spring rods, and the multiple pressure grooves of the pressure plate are matched and pressed with multiple pressure blocks, so that the side of the gauze can be pressed, and under the elastic force of the first spring latch, the pin rod of the first spring latch is matched and inserted with the limiting slot, so that the side of the gauze can be pressed and fixed.

[0018] 2. This type of gauze and its fixing structure, when cutting off the part of the gauze stained with oil, makes the cutter rotate through the rotating shaft until the limit slot of the cutter matches and engages with the elastic block of the limit block. The limit block plays a positioning role for the cutter, and the gauze can be cut by pressing the flip cover plate downward, which is convenient for cutting and cleaning the gauze stained with oil.

[0019] 3. This kind of gauze and its fixing structure, after cutting off the part of the gauze stained with oil, separates the elastic card block from the limit card slot, the cutter rotates to reset, and then presses the flip plate, the flip plate rotates through the shaft to cover the clamping groove, the strip pressure block on the strip pressure plate matches the strip groove, and the bottom end of the gauze can be clamped to avoid leaving gaps for dust to enter.

[0020] 4. This type of gauze and its fixing structure, after the gauze is pulled out from the winding mechanism, the rotating wheel is rotated, and the rotating wheel drives the adjusting screw to rotate. The adjusting screw is threadedly connected to the frame-type bracket, so that the adjusting screw pushes the second positioning ring to move, and the second positioning ring cooperates with the first positioning ring to fix the pressing roller, and compresses the second spring rod. The pressing roller presses the gauze onto the support plate, avoiding the formation of gaps at the connection between the upper part of the window frame and the gauze.

[0021] 5. For this type of gauze and its fixing structure, when replacing the gauze, you only need to pull the gauze stained with oil, and the gauze on the winding roller will be lowered. When the replacement is completed, the damper can play a damping role to avoid rotation when there is no external force.

[0022] 6. This type of gauze and its fixing structure, the coordinated arrangement of the protective cover body, the conical sleeve plate and the elastic pressure strip plate can provide good protection for the gauze, preventing dust or oil from contaminating the unused gauze and causing damage. The winding mechanism is installed inside the protective cover body through a guide rail, and the protective cover body is fixed by the coordination of the mounting block and the mounting groove. The winding mechanism can be replaced by limiting the position using the second spring latch. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a structural schematic diagram of a gauze net and a fixing structure thereof of the present invention;

[0025] Figure 2 It is a cross-sectional view of a gauze net and its fixing structure connected with a window frame;

[0026] Figure 3 It is a cross-sectional view of a gauze screen and a gland plate of a fixing structure thereof according to the present invention;

[0027] Figure 4 The invention discloses a gauze net and a fixing structure thereof. Figure 1 Enlarged view of point A in the middle;

[0028] Figure 5 It is a cross-sectional view of a compression and cutting mechanism of a gauze net and its fixing structure of the present invention;

[0029] Figure 6 It is a schematic diagram of the structure of a flap plate of a gauze net and its fixing structure of the present invention;

[0030] Figure 7 It is a cross-sectional view of the connection between a reeling mechanism and a protective mechanism of a gauze net and its fixing structure of the present invention;

[0031] Figure 8 The present invention is a schematic diagram of the structure of a dustproof component of a gauze net and its fixing structure.

[0032] In the figure: 1, window frame; 2, screen; 3, winding mechanism; 301, fixing plate; 302, screen roller; 303, damper; 4, guide pressing assembly; 401, frame bracket; 402, screen roller; 403, support plate; 404, second spring rod; 405, first positioning ring; 406, adjusting screw; 407, second positioning ring; 408, rotating wheel; 5, edge pressing fixing mechanism; 501, screen pressing groove; 502, first spring rod; 503, cover plate; 504, pressing plate; 505, pressing groove; 506, pressing block; 507, limit assembly; 5071, spring latch; 5073, guide slide hole; 5074, guide push plate; 6. Compression and cutting mechanism; 601. Compression groove; 602. Flip cover plate; 603. Cutting assembly; 6031. Cutter; 6032. Limit block; 6033. Elastic card block; 6034. Limit card groove; 604. Edge pressing assembly; 6041. Pressure strip; 6042. Strip groove; 6043. Strip pressure plate; 6044. Strip pressure block; 605. Limit plate; 7. Protection mechanism; 701. Protection cover; 702. Guide rail; 703. Mesh hole; 704. Mounting block; 705. Mounting groove; 706. Second spring latch; 707. Positioning hole; 8. Dustproof assembly; 801. Conical sleeve; 802. Elastic pressure strip plate. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0034] Example: Figure 1 , Figure 2 and Figure 3As shown, a fixing structure of a gauze net of the present invention comprises a window frame 1 and a gauze net 2, wherein the upper end portion of the window frame 1 is provided with a winding mechanism 3 for winding the gauze net 2, and the top end of the window frame 1 is provided with a guiding and pressing assembly 4 for guiding and pressing the gauze net 2 covered on the upper end portion of the window frame 1; both inner side surfaces of the window frame 1 are provided with a side pressing fixing mechanism 5 for pressing the side of the gauze net, and the side pressing fixing mechanism 5 comprises a gauze pressing groove 501 arranged on the inner side of the window frame 1, and the inner wall of the gauze pressing groove 501 is provided with a plurality of first spring rods 502, and the ends of the plurality of first spring rods 502 are connected with a pressing cover plate 503, and the outer side wall of the pressing cover plate 503 is provided with a pressing plate 504, and the pressing plate The outer end of 504 is provided with a V-shaped pressing groove 505, the outer side of the pressing mesh groove 501 is provided with a pressing block 506 matching the pressing groove 505, and the pressing cover plate 503 is provided with a limiting component 507 for limiting the pressing cover plate 503 after the pressing groove 505 and the pressing block 506 are pressed together; the limiting component 507 includes a first spring latch 5071 arranged at the inner end of the pressing cover plate 503, the inner end wall of the pressing mesh groove 501 is provided with a limiting slot matching the pin rod of the first spring latch 5071, a guide sliding hole 5073 is opened on the flip cover plate 503, and the driving part of the first spring latch 5071 is provided with a guide push plate 5074 extending out of the guide sliding hole 5073; the window frame The bottom end of the frame 1 is provided with a pressing and cutting mechanism 6 for pressing and cutting the bottom of the gauze. The gauze 2 can be rolled into a roll through the provided winding mechanism 3 for easy storage. The guide pressing component 4 can press the gauze 2 extending from the winding mechanism 3, and can press the upper end of the window frame 1 to avoid a gap between the gauze 2 and the window frame 1 after the connection, which affects the normal use of the gauze 2. The edge pressing and fixing mechanism 5 can press and fix the two sides of the gauze 2, and can press the connection between the side of the window frame 1 and the gauze 2 to avoid a gap between the side connection of the gauze 2 and the window frame 1. The provided pressing and cutting mechanism 6 can be used to cut the gauze 2 with oil stains on it. The mesh 2 is cut off and the end of the new mesh 2 is pressed after the cutting process to complete the replacement of the mesh 2, which is convenient for replacing the mesh 2. When fixing the two side edges of the mesh 2, the side edges of the mesh 2 are first pressed into the inside of the mesh pressing groove 501, and the pressure cover plate 503 is pressed downward. The pressure cover plate 503 compresses the multiple first spring rods 502, and the multiple pressure grooves 505 of the pressure plate 504 are matched and crimped with the multiple pressure blocks 506, so that the side of the mesh 2 can be pressed, and under the elastic force of the first spring pin 5071, the pin rod of the first spring pin 5071 is matched and plugged with the limiting slot to complete the pressing and fixing of the side of the mesh 2.

[0035] Specifically, Figure 5 and Figure 6As shown, the pressing and cutting mechanism 6 includes a pressing groove 601 arranged on the inner side of the lower end of the window frame 1, and a flap plate 602 is connected to the pressing groove 601 via a rotating shaft. The flap plate 602 is provided with a cutting component 603 for cutting off the contaminated gauze and a pressing component 604 for pressing the gauze after cutting. A torsion spring is provided on the rotating shaft of the flap plate 602, and a limiting plate 605 for the flap plate 602 is provided on the inner side wall of the pressing groove 601. The cutting component 603 includes a cutter 6031 arranged on the inner wall of the flap plate 602 and connected via a rotating shaft. The flap plate 602 is provided with a limiting plate 605 for limiting the position of the cutter 6031 after flipping. The stopper 6032 is provided with an L-shaped elastic block 6033, and the cutter 6031 is provided with a limit slot 6034 matching the elastic block 6033. When the oily part of the gauze 2 is cut off, the cutter 6031 is rotated via the rotating shaft until the limit slot 6034 of the cutter 6031 is matched and engaged with the elastic block 6033 of the limit block 6032. The limit block 6032 plays a positioning role for the cutter 6031. The gauze 2 can be cut off by pressing the flip cover 602 downward, which is convenient for cutting and cleaning the gauze 2 stained with oil.

[0036] The edge pressing assembly 604 includes a pressure strip 6041 arranged on the inner wall of the pressing groove 601, the end face of the pressure strip 6041 is inclined and has a plurality of strip grooves 6042 distributed at equal intervals, and a strip pressure plate 6043 is arranged at the end of the flip cover plate 602, and the end face of the strip pressure plate 6043 is matched with the inclined end face of the pressure strip 6041 and is provided with a strip pressure block 6044 matched with the plurality of strip grooves 6042. 2 is cut off from the oily part, so that the elastic block 6033 is separated from the limiting slot 6034, the cutter 6031 is rotated to reset, and then the flip plate 602 is pressed, and the flip plate 602 can cover the pressing groove 601 by rotating through the rotating shaft, and the strip pressing block 6044506 on the strip pressing plate 6043504 matches the strip slot 6042, so that the bottom end of the gauze 2 can be pressed to avoid leaving gaps for dust to enter.

[0037] Specifically, Figure 4As shown, the guide pressing assembly 4 includes two frame-shaped brackets 401 arranged on both sides of the upper end of the window frame 1, a mesh pressing roller 402 is arranged between the two frame-shaped brackets 401, and a support plate 403 matching the mesh pressing roller 402 and in a triangular shape and connected to the inner frame edge of the window frame 1 is arranged on the window frame 1, a second spring rod 404 is arranged on the inner wall of the frame-shaped bracket 401, and a semicircular first positioning ring 405 is arranged at the end of the second spring rod 404, an adjusting screw 406 is threadedly connected to the frame-shaped bracket 401, and the inner end of the adjusting screw 406 is connected to a second positioning ring 407 matching the first positioning ring 405 via a bearing, and the first positioning ring 405 and the second The two end portions of the positioning ring 407 are respectively in contact with the inner wall of the frame bracket 401, and the outer end portion of the adjusting screw 406 is provided with a rotating wheel 408. After the gauze 2 is pulled out from the winding mechanism 3, the rotating wheel 408 is rotated, and the rotating wheel 408 drives the adjusting screw 406 to rotate. The adjusting screw 406 is threadedly connected to the frame bracket 401, so that the adjusting screw 406 pushes the second positioning ring 407 to move. The second positioning ring 407 cooperates with the first positioning ring 405 to fix the pressing roller 402, and compresses the second spring rod 404. The pressing roller 402 presses the gauze 2 onto the support plate 403, thereby avoiding the formation of a gap at the connection between the upper part of the window frame 1 and the gauze 2.

[0038] Specifically, Figure 7 and Figure 8 As shown, the winding mechanism 3 includes two fixed plates 301, and a mesh roller 302 for winding the gauze 2 is provided between the two fixed plates 301, and a damper 303 is installed on the outer end of one of the fixed plates 301; when the gauze 2 needs to be replaced, it is only necessary to pull the gauze 2 with oil stains on the lower end, which will cause the mesh roller 302 to rotate and release the gauze 2, and the new gauze 2 can be covered on the window frame 1, and the damper 303 can damp the mesh roller 302. When replacing the gauze 2, it is only necessary to pull the gauze 2 with oil stains, and the gauze 2 on the mesh roller 302 will be lowered. When the replacement is completed, the damper 303 can play a damping role to avoid rotation when there is no external force.

[0039] Among them, the window frame 1 is provided with a protective mechanism 7 for protecting the winding mechanism 3, the protective mechanism 7 includes a protective cover body 701 arranged at the upper end of the window frame 1 and covering the outside of the winding mechanism 3, both ends of the inner wall of the protective cover body 701 are provided with guide rails 702 matching the fixed plate 301, the length of the guide rail 702 is equal to the length of the fixed plate 301, the bottom end of the protective cover body 701 is provided with a mesh hole 703 for the gauze to pass through, both sides of the protective cover body 701 are provided with T-shaped mounting blocks 704, the top of the window frame 1 is provided with a mounting groove 705 matching the mounting block 704, the mounting block 704 is provided with a second spring latch 706, and the window frame 1 is provided with a pin rod connected to the mounting groove 705 and connected to the second spring latch 706 Matching positioning holes 707, a dustproof component 8 is provided at the mesh hole 703 of the protective cover body 701, and the dustproof component 8 includes a conical sleeve 801 arranged at the outside of the mesh hole 703, and an elastic pressure strip plate 802 is provided on the inner wall of the opening of the conical sleeve 801. The coordinated arrangement of the protective cover body 701, the conical sleeve 801 and the elastic pressure strip 6041 plate can play a good protective role for the gauze 2, avoiding dust or oil contamination on the unused gauze 2 and causing damage, and the winding mechanism 3 is installed inside the protective cover body 701 through a guide rail 702, and the protective cover body 701 is fixed by the cooperation of the mounting block 704 and the mounting groove 705, and the winding mechanism 3 can be replaced by limiting the position using the second spring latch 7065071.

[0040] A gauze mesh, comprising the above-mentioned fixing structure of the gauze mesh

[0041] When working, the gauze 2 and its fixing structure can be rolled up into a roll by the provided winding mechanism 3 for easy storage. The guide pressing assembly 4 can press the gauze 2 extending from the winding mechanism 3, and can press the upper end of the window frame 1 to avoid a gap between the gauze 2 and the window frame 1 after the connection, which affects the normal use of the gauze 2. The edge pressing and fixing mechanism 5 can press and fix the two sides of the gauze 2, and can press the connection between the side of the window frame 1 and the gauze 2, to avoid a gap between the side connection of the gauze 2 and the window frame 1. The gauze 2 with oil stains can be cut off by the provided pressing and cutting mechanism 6. After the cutting process, the end of the new gauze 2 is pressed tightly, and the replacement of the gauze 2 can be completed, which is convenient for replacing the gauze 2; wherein, when fixing the two side edges of the gauze 2, first press the side edges of the gauze 2 into the inside of the pressing groove 501, and press the cover plate 503 downward, the pressing cover plate 503 compresses the multiple first spring rods 502, and the multiple pressing grooves 505 of the pressing plate 504 are matched and crimped with the multiple pressing blocks 506, so that the side of the gauze 2 can be pressed tightly, and under the elastic force of the first spring latch 5071, the pin rod of the first spring latch 5071 is matched and plugged with the limiting slot, so that the side of the gauze 2 can be pressed and fixed.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gauze fixing structure, comprising a window frame (1) and a gauze (2), characterized in that: The upper end of the window frame (1) is provided with a reeling mechanism (3) for reeling in the gauze (2), and the top end of the window frame (1) is provided with a guiding and pressing assembly (4) for guiding and pressing the gauze (2) covered on the upper end of the window frame (1); Both inner side surfaces of the window frame (1) are provided with a side pressing fixing mechanism (5) for pressing the side of the gauze mesh, the side pressing fixing mechanism (5) comprising a gauze pressing groove (501) provided on the inner side of the window frame (1), a plurality of first spring rods (502) being provided on the inner wall of the gauze pressing groove (501), a pressure cover plate (503) being connected to the ends of the plurality of first spring rods (502), a pressure plate (504) being provided on the outer side wall of the pressure cover plate (503), a V-shaped pressure groove (505) being provided on the outer end of the pressure plate (504), and a pressure block (506) matching the pressure groove (505) being provided on the outer side of the gauze pressing groove (501). The pressure cover plate (503) is provided with a limiting assembly (507) for limiting the pressure cover plate (503) after the pressure groove (505) and the pressure block (506) are pressed together; the limiting assembly (507) includes a first spring latch (5071) arranged at the inner end of the pressure cover plate (503); the inner end wall of the pressure mesh groove (501) is provided with a limiting slot matching the pin rod of the first spring latch (5071); the flip cover plate (503) is provided with a guide sliding hole (5073); the driving part of the first spring latch (5071) is provided with a guide push plate (5074) extending out of the guide sliding hole (5073); The bottom end of the window frame (1) is provided with a pressing and cutting mechanism (6) for pressing and cutting the bottom of the gauze mesh.

2. A gauze fixing structure according to claim 1, characterized in that: The pressing and cutting mechanism (6) comprises a pressing groove (601) arranged on the inner side of the lower end of the window frame (1); the pressing groove (601) is connected to a flap plate (602) via a rotating shaft; a cutting assembly (603) for cutting off the contaminated gauze and a pressing assembly (604) for pressing the edges of the cut gauze are arranged on the flap plate (602); a torsion spring is arranged on the rotating shaft of the flap plate (602); and a limiting plate (605) for the flap plate (602) is arranged on the inner side wall of the pressing groove (601).

3. A gauze fixing structure according to claim 2, characterized in that: The cutting assembly (603) comprises a cutter (6031) arranged on the inner wall of the flip plate (602) and connected via a rotating shaft; a limit stopper (6032) is arranged on the flip plate (602) for limiting the position of the cutter (6031) after flipping; an L-shaped elastic block (6033) is arranged on the limit stopper (6032); and a limit slot (6034) matching the elastic block (6033) is arranged on the cutter (6031).

4. A gauze fixing structure according to claim 2, characterized in that: The edge pressing assembly (604) includes a pressure strip (6041) arranged on the inner wall of the pressing groove (601), the end face of the pressure strip (6041) is inclined and has a plurality of equally spaced strip grooves (6042), and a strip pressure plate (6043) is provided at the end of the flip cover plate (602), the end face of the strip pressure plate (6043) is matched with the inclined end face of the pressure strip (6041) and is provided with a strip pressure block (6044) matching the plurality of strip grooves (6042).

5. A gauze fixing structure according to claim 1, characterized in that: The guide pressing assembly (4) comprises two frame-shaped brackets (401) arranged on both sides of the upper end of the window frame (1), a mesh pressing roller (402) is arranged between the two frame-shaped brackets (401), and a support plate (403) matching the mesh pressing roller (402) and in a triangular shape and connected to the inner frame edge of the window frame (1) is arranged on the window frame (1).

6. A gauze fixing structure according to claim 5, characterized in that: The inner wall of the frame-shaped bracket (401) is provided with a second spring rod (404), the end of the second spring rod (404) is provided with a semicircular first positioning ring (405), an adjusting screw (406) is threadedly connected to the frame-shaped bracket (401), the inner end of the adjusting screw (406) is connected to a second positioning ring (407) matching the first positioning ring (405) via a bearing, the end portions of the first positioning ring (405) and the second positioning ring (407) are respectively in contact with the inner wall of the frame-shaped bracket (401), and a rotating wheel (408) is provided at the outer end of the adjusting screw (406).

7. A gauze fixing structure according to claim 1, characterized in that: The winding mechanism (3) comprises two fixed plates (301), a web winding roller (302) for winding the gauze net (2) is arranged between the two fixed plates (301), and a damper (303) is installed at the outer end of one of the fixed plates (301); When the gauze (2) needs to be replaced, it is only necessary to pull the gauze (2) with oil stains on the lower end, which will cause the gauze roller (302) to rotate and release the gauze (2), and then a new gauze (2) can be covered on the window frame (1), and the damper (303) can damp the gauze roller (302).

8. A gauze fixing structure according to claim 7, characterized in that: The window frame (1) is provided with a protective mechanism (7) for protecting the winding mechanism (3), the protective mechanism (7) comprising a protective cover body (701) arranged at the upper end of the window frame (1) and covering the outside of the winding mechanism (3), both ends of the inner wall of the protective cover body (701) are provided with guide rails (702) matching the fixing plate (301), the bottom end of the protective cover body (701) is provided with a mesh hole (703) for a mesh to pass through, both sides of the protective cover body (701) are provided with T-shaped mounting blocks (704), the top of the window frame (1) is provided with a mounting groove (705) matching the mounting block (704), the mounting block (704) is provided with a second spring latch (706), and the window frame (1) is provided with a positioning hole (707) connected to the mounting groove (705) and matching the pin rod of the second spring latch (706).

9. A gauze fixing structure according to claim 8, characterized in that: A dustproof component (8) is provided at the mesh hole (703) of the protective cover body (701), and the dustproof component (8) comprises a conical sleeve plate (801) arranged at the outside of the mesh hole (703), and an elastic pressure strip plate (802) is provided on the inner wall of the opening of the conical sleeve plate (801).

10. A gauze mesh, characterized in that: A fixing structure comprising a gauze mesh as described in any one of claims 1-9.

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