CN212236384U - Welt frock of convex sea handkerchief - Google Patents

Abstract

The utility model discloses a hem frock of convex sea handkerchief, a serial communication port, the hem frock includes operation mesa, flange and push pedal, the operation mesa is the level setting, the flange is located the back edge of operation mesa upper surface, the operation mesa has seted up the spacing groove, the spacing groove is equipped with two at least, and the spacing groove is parallel to each other, and perpendicular to the flange, the push pedal is located operation mesa upper surface front end, and is parallel with the flange, the bottom of push pedal is fixed mounting has the limiting plate in spacing groove department, the limiting plate end is equipped with upwards arch, and the limiting plate upper surface is not higher than operation mesa, and protruding upper surface is higher than operation mesa; the push plate and the limiting plate can slide towards the flange along the direction of the limiting groove, and the height of the push plate is not less than the thickness of the folded filter paper. The utility model discloses simple structure, convenient operation, economical and practical has made things convenient for the filter paper both ends after folding to paste flexible material.

Description

Welt frock of convex sea handkerchief

Technical Field

The utility model belongs to the technical field of the sea handkerchief processing, concretely relates to welt frock of convex sea handkerchief.

Background

9/15/2015, GB/T18801-2015 air purifier, and the national standard is officially published. On 29 months of 2015, 9, GB/T18801-2015 New national Standard of air purifiers was held by the national Committee for the standardization and technology of household appliances in Beijing. The meeting publicizes the new national standard specific content of the air purifier to the public for the first time. The introduction of the new national standard of air purifiers defines four core indexes affecting the purifying effect of the air purifiers, namely CADR (clean air quantity), CCM (cumulative purification quantity), energy efficiency grade and noise standard. A high-quality air purifier should possess high CADR value, high CCM, high energy efficiency level and low noise.

In order to meet the national standard and meet the requirements of consumption on products, the air purifier is not only designed with a complete machine air duct and a fan selection, but also is most importantly designed with a purifier filter screen. The structure of filter screen generally has two kinds of flat and cask type, and cask type filter screen is 360 degrees air intakes, from structural contrast, and its windage is littleer, and purifying effect is also better.

The filter screen among the prior art generally adopts filter paper to glue after folding and stereotypes and form, but filter paper both ends are because of reasons such as rubber distance, can not do the complete sealing of filter paper both ends and assembly part to cause the sealed and vibration problem of filter paper and assembly part, consequently can influence the filter effect and the performance of filter screen.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a hem frock of convex sea handkerchief for flexible material is pasted to filter paper tip after folding, solves current convex filter screen edge and assembly part leakproofness poor, causes the sealed and vibration of filter paper and assembly part, influences the problem of the filter effect and the performance of filter screen.

In order to achieve the above technical effect, the utility model discloses a technical scheme is:

the trimming tool for the arc-shaped handkerchief is characterized by comprising an operation table board, flanges and a push plate, wherein the operation table board is horizontally arranged, the flanges are arranged on the rear edge of the upper surface of the operation table board, the operation table board is provided with at least two limiting grooves, the limiting grooves are parallel to each other and are perpendicular to the flanges, the push plate is arranged at the front end of the upper surface of the operation table board and is parallel to the flanges, a limiting plate is fixedly arranged at the position of the limiting grooves at the bottom of the push plate, upward bulges (the bulges can be detachably arranged at the tail ends of the limiting plates) are arranged at the tail ends of the limiting plates, the upper surfaces of the limiting plates are not higher than the operation table board, and the upper surfaces of the bulges are higher than the; the push plate and the limiting plate can slide towards the flange along the direction of the limiting groove, and the height of the push plate is not less than the thickness of the folded filter paper.

Furthermore, surrounding edges are arranged on two sides of the operating table board, two sides of the push plate are in sliding connection with the surrounding edges, and two ends of each of the retaining edges are fixedly connected with the surrounding edges of the corresponding ends.

Further, the vertical distance between the protrusion and the push plate is 1/3-1/2 of the height of the push plate.

Further, the middle part of the tail end of the limiting plate is provided with a protruding limiting area, the limiting area is a pin hole or a circular silk-screen part, and the protruding pin inserted in the pin hole or a cylindrical magnet adsorbed on the silk-screen part is arranged in the protruding limiting area.

Furthermore, the limiting grooves are provided with 3-5 limiting grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses frock simple structure, high durability and convenient operation, economical and practical, through set up flange and push pedal on the operation mesa, and set up a plurality of spacing grooves, set up the limiting plate of being connected bottom the push pedal in the spacing groove, set up the arch on the limiting plate, thereby made things convenient for the flexible material to paste at the filter paper both ends after folding, connect through flexible material, make still can laminate completely with the assembly part under the unequal condition in filter paper both ends offset, thereby effectively solved the sealed and vibration problem of filter paper and assembly part, make convex filter screen when using, the air inlet face and the angle of filter screen have effectively been increased, the windage is lower, whole filter effect is better. In addition, a plurality of limiting grooves are formed in the operating platform, and pins or magnets are arranged at the front ends of the limiting plates, so that the machining of the HEPA in different models and sizes is facilitated.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is obvious that the described embodiments are some embodiments, not all embodiments of the present invention.

Drawings

Fig. 1 is a top view of the welt tool of the present invention.

Fig. 2 is a partial sectional view taken along line a-a of fig. 1.

Fig. 3 is a schematic view of the operation state of the filter paper when one end of the filter paper is attached to the flexible material in the welting and sealing process of the present invention.

Fig. 4 is a diagram of a real object after one end of the filter paper is attached to the flexible material in the welting and sealing process of the present invention.

Fig. 5 is a real object diagram of the utility model after the redundant flexible material at the two ends of the filter paper is cut off in the welting and sealing process.

The reference numbers and their corresponding part names in the figures are:

1. an operation table top; 2, a flange and 3, a push plate;

4. surrounding edges; 5, limiting the plate; 6, protruding;

7. a limiting groove; 8 flexible material 9 filter paper.

Detailed Description

As shown in fig. 1-2, the trimming tool for the circular arc-shaped sea handkerchief comprises an operation table board 1, a retaining edge 2, a surrounding edge 4 and a push plate 3, wherein the operation table board 1 is horizontally arranged, the surrounding edge 4 is arranged at the edges of two sides of the upper surface of the operation table board 1, the retaining edge 2 is arranged at the rear edge of the upper surface of the operation table board 1, two ends of the retaining edge 2 are fixedly connected with the surrounding edge 4 at the corresponding end to form a surrounding frame, the push plate 3 is arranged in the surrounding frame, and two sides of the push plate are in sliding connection with the surrounding edge 4. The operating table board 1 is provided with 3-5 limiting grooves 7 vertical to the flanges 2, and two ends of all the limiting grooves 7 are aligned and arranged at equal intervals. The push plate 3 is positioned above the limit groove 7, and the limit plate 5 is fixedly arranged at the position of the limit groove 7 at the bottom of the push plate 3. The push plate 3 and the limit plate 5 can slide towards the flange 2 along the direction of the limit groove 7, and the height of the push plate 3 is not less than the thickness of the folded filter paper. The tail end of the limiting plate 5 is provided with an upward bulge 6, the upper surface of the limiting plate 5 is level with the upper surface of the operating table top 1 or slightly lower than the operating table top, the upper surface of the bulge 6 is higher than the operating table top 1, and the vertical distance between the bulge 6 and the push plate 3 is 1/3-1/2 of the height of the push plate 3. Preferably, the middle part of the tail end of the limiting plate 5 is provided with a protruding 6 limiting area, the limiting area is a pin hole or a circular silk-screen printing part, and the protruding 6 is a pin inserted in the pin hole or a cylindrical magnet adsorbed on the silk-screen printing part.

When the tool is used, the folded filter paper 9 is naturally placed on the operation table top 1 of the welting tool, as shown in figure 3; one end of the filter paper 9 is close to the flange 2 of the tool, two side faces are arranged between two strip-shaped grooves of the operation table board 1, the strip-shaped flaky flexible material 8 is cut, the width of the flexible material is the same as the thickness of the folded filter paper 9, the length of the flexible material is larger than that of the folded filter paper 9, one side of the flexible material is uniformly coated with the hot melt adhesive and then is obliquely placed on the operation table board 1 of the tool, one side of the flexible material 8 coated with the hot melt adhesive is obliquely upward, the lower end of the flexible material is abutted against a bulge 6 at the front end of a limiting plate 5 fixedly connected with the lower end of a tool push plate; wherein, the flexible material 8 adopts materials with small stretching degree and certain pores, such as sponge, scouring pad or EVA, etc. Pushing the push plate 3 towards the filter paper 9 to enable one surface of the flexible material 8 coated with the hot melt adhesive to abut against the end face of the filter paper 9, and enabling the flexible material 8 to be tightly adhered to one end face of the filter paper 9 for 6-10 seconds and then to be loosened; the picture of the pasted real object is shown in fig. 4; repeating the above operations to make the other end face of the filter paper 9 also adhere to and adhere to a flexible material 8; trimming and cutting off redundant flexible materials 8 at two ends of the filter paper 9; the cut picture of the real object is shown in FIG. 5; and finally, putting the filter paper 9 into an arc-shaped shaping tool and processing the filter paper into arc-shaped HEPA according to conventional operation.

The present invention is not limited to the above specific embodiments, and for those skilled in the art, the above conception can be used without any creative work, and all the changes made fall within the protection scope of the present invention.

Claims (5)

1. The trimming tool for the arc-shaped handkerchief is characterized by comprising an operation table board, flanges and a push plate, wherein the operation table board is horizontally arranged, the flanges are arranged on the rear edge of the upper surface of the operation table board, the operation table board is provided with at least two limiting grooves, the limiting grooves are parallel to each other and are perpendicular to the flanges, the push plate is arranged at the front end of the upper surface of the operation table board and is parallel to the flanges, a limiting plate is fixedly arranged at the limiting groove at the bottom of the push plate, an upward bulge which is detachably mounted is arranged at the tail end of the limiting plate, the upper surface of the limiting plate is not higher than the operation table board, and the upper surface of the bulge is higher than the operation table board; the push plate and the limiting plate can slide towards the flange along the direction of the limiting groove, and the height of the push plate is not less than the thickness of the folded filter paper.

2. The welt tool for the circular arc-shaped HEPA as claimed in claim 1, wherein surrounding edges are arranged on two sides of the operating table top, two sides of the push plate are in sliding connection corresponding to the surrounding edges, and two ends of each of the surrounding edges are fixedly connected with the surrounding edges of the corresponding end.

3. The welt tool for the circular-arc-shaped HEPA as claimed in claim 1, wherein the vertical distance between the protrusion and the push plate is 1/3-1/2 of the height of the push plate.

4. The tool for sticking the edge of the circular arc-shaped HEPA as claimed in claim 1, wherein a protruding limiting area is arranged in the middle of the tail end of the limiting plate, the limiting area is a pin hole or a circular silk-screen portion, and the protrusion is a pin inserted into the pin hole or a cylindrical magnet adsorbed on the silk-screen portion.

5. The edge fitting tool for the circular arc-shaped HEPA according to claim 4, wherein 3-5 limiting grooves are formed in the limiting grooves.

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