TWI641339B - Sewing processing method for large sprocket belt and small sprocket belt and double-layer toothed belt structure - Google Patents

Abstract

A stitching processing method for a large sprocket belt and a small sprocket belt and a double-toothed chain belt structure, respectively, a large sprocket with a large sprocket and a large sprocket to be stitched together to form a large sprocket belt, and then The large sprocket belt is processed to form a waterproof layer and the waterproof layer is cut from the middle by a thin blade, and the small sprocket and the small sprocket-matched small cloth strip are separately stitched to form a small sprocket belt, and then The small sprocket belt is processed to form a waterproof layer and the waterproof layer is cut from the middle with a thin blade; then the large sprocket of the large sprocket belt is facing upward and the small sprocket of the small sprocket belt is facing downward, and the large, After the upper and lower layers of the small sprocket belt are aligned at the same central reference position, the upper and lower layers of the large and small layers are superposed, and the seams are stitched close to the large sprocket and the large tape. The outer side of the bundle is sewn together with a single needle or a plurality of needles, and then the pinhole is further filled with a narrow waterproof sticker at the puncture hole of the suture needle to make an explosion-proof and waterproof double-layer toothed belt, or It can also be made by omitting the aforementioned waterproof processing as needed. Burst with double toothed chain.

Description

Sewing processing method for large sprocket belt and small sprocket belt and double-layer toothed belt structure

The invention relates to a zipper, relating to a method for processing an explosion-proof and waterproof double-layer toothed belt with a large sprocket belt and a small sprocket belt, and a related technical field of a double-layer toothed belt structure.

According to the traditional waterproof processing, the waterproof film is heat-bonded on the tape on the back of the chain belt, and then the slider is matched with the reverse wear design. In this method, when the bending is performed, the cloth tape with the waterproof film on both sides of the bending portion is expanded outward to cause a gap, and the waterproofing is not effective. This is a physical phenomenon in which the inner racks are mutually squeezed to bend the belt and force it outward, and it is also a waterproof bottleneck of any waterproof layer facing upwards.

In view of this, the present inventors have invented and designed a method for stitching a large sprocket belt and a small sprocket belt and a double-layered toothed belt structure through continuous research and improvement.

The main object of the present invention is to provide a stitching processing method for a large sprocket belt and a small sprocket belt and a double-layer toothed belt structure, which can be made into an explosion-proof and waterproof double-layer tooth structure zipper, and encounters a bag, When the tents and other processing need to be bent and sewn, the outer large teeth have strong tensile strength and because the tape with the waterproof layer is intertwined on the inner surface, this phenomenon is formed by the portion cut by the thin blade in the middle. Mutual squeeze and tighter, tighter together to enhance the waterproof function. At the same time, the chain of the small waterproof function of the lower layer is also fixed to the fixed position by the two sides, so there is still free space, and the water-repellent layer tape does not contain the gap of the outer expansion. phenomenon. But still has the resistance against the vertical direction of the outer layer. Support the strength of the upper layer to ensure the prevention of puncture.

A second object of the present invention is to provide a stitching processing method for a large sprocket belt and a small sprocket belt and a double-layer toothed belt structure, which can save material, simple processing, high efficiency, and can be equally formed at regular intervals. The zipper is machined into an open and closed size. It has double waterproofing effect compared to the general waterproof zipper. It is more waterproof and has an explosion-proof function.

A further object of the present invention is to provide a stitching processing method for a large sprocket belt and a small sprocket belt, and a double-layer toothed belt structure, which can be applied to a case where high lateral force resistance is not required. The lower layer of large and small cloth with direct melting technology directly attaches the outer distance of the two-chain tooth row to the outer surface.

Another object of the present invention is to provide a stitching processing method for a large sprocket belt and a small sprocket belt, and a double-layer toothed belt structure, which can be omitted in response to the need for explosion-proof if the guest is not waterproof, and the waterproof sticker can be omitted. The related processing of the layer can also achieve the explosion-proof effect by the structure of the double-stitching processing method.

A stitching processing method for a large sprocket belt and a small sprocket belt and a double-toothed chain belt structure, respectively, a large sprocket with a large sprocket and a large sprocket to be stitched together to form a large sprocket belt, and then The large sprocket belt is processed to form a waterproof layer and the waterproof layer is cut from the middle by a thin blade, and the small sprocket and the small sprocket-matched small cloth strip are separately stitched to form a small sprocket belt, and then The small sprocket belt is processed to form a waterproof layer and the waterproof layer is cut from the middle with a thin blade; then the large sprocket of the large sprocket belt is facing upward and the small sprocket of the small sprocket belt is facing downward, and the large, After the upper and lower layers of the small sprocket belt are aligned at the same central reference position, the upper and lower layers of the large and small layers are superposed, and the seams are stitched close to the large sprocket and the large tape. The outer side of the bundle is sewn together with a single needle or a plurality of needles, and then the pinhole is further filled with a narrow waterproof sticker at the puncture hole of the suture needle to make an explosion-proof and waterproof double-layer toothed belt, or Also as needed The above-described waterproof processing is omitted to form an explosion-proof double-layer toothed belt.

[this creation]

(1)‧‧‧Large sprocket belt

(11)‧‧‧Large chain rack

(12) ‧ ‧ big cloth belt

(13) (23) ‧ ‧ waterproof layer

(2)‧‧‧Small sprocket belt

(21)‧‧‧Small chain rack

(22)‧‧‧小布带

(3) ‧‧‧ stitches

(4) ‧ ‧ waterproof stickers

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic cross-sectional view showing a waterproof layer formed by thermally attaching a waterproof film to a large and small sprocket belt according to an embodiment of the present invention.

2 is a schematic view showing the sewing of the large and small sprocket belts in the embodiment of the present invention.

3 is a schematic structural view of a double-layer toothed belt obtained in an embodiment of the present invention.

The method for stitching a large sprocket belt and a small sprocket belt and the double-layer toothed belt structure of the invention adopt reverse thinking, and the large and small sprocket belts 1 and 2 shown in FIG. 1 to FIG. 3 are Heat-applied waterproof film or hot-adhesive extrusion coating, and the inner margin of the tape is widened to facilitate the hot-melt of the toothed part into the grinding and leveling, and the waterproof layer 13 and 23 respectively, first separately The waterproof film of the large sprocket belt 1 and the small sprocket belt (narrow belt) 2 is attached to the waterproof layer 13 and 23, and the waterproof layer 13 and 23 are cut from the middle by a thin blade, respectively, and the upper layer is large. The large sprocket 11 of the sprocket belt 1 faces upward, and the small sprocket row 21 of the lower sprocket belt 2 faces downward, and the upper and lower layers of the large and small sprocket belts 1, 2 are aligned in the same After the center reference position, the upper and lower large belts 12 and the small cloth belt 22 are superposed and sewn to the outer side of the slit bundle 3 B1 and B2 near the large sprocket 11 and the large cloth belt 12 (refer to FIG. 2). Sewing the single needle or multiple needles together, then heat-paste the narrow needle-proof strips 4 (see also Figure 3) to fill the pinholes in the puncture holes of the two suture needles. In order to achieve all-round waterproofing of the outer layer, a double-layer toothed belt structure which is both explosion-proof and waterproof is produced. The waterproof sticker 4 attached to the upper tape 12 on the upper layer to cover the needle hole may also be a reflective film or a trademark film to add added value.

Furthermore, the large sprocket belt 1 is formed by first sewing a large sprocket 11 (for example, a sprocket 10) and a large sprocket 11 matched with the large sprocket 11 and then consisting of the large sprocket belt. 1 carry out the aforementioned waterproof layer plus The utility model has a waterproof layer 13; the small sprocket belt 2 is composed of a small sprocket 21 (for example, a 3rd sprocket) and a small sprocket 22 matched with the small sprocket 21, and then composed of The small sprocket belt 2 is subjected to the above-described waterproof layer processing to have a waterproof layer 23.

In addition, the double-toothed chain belt structure formed by the double-toothed belt processing method of the large sprocket belt 1 and the small sprocket belt 2 is composed of a large sprocket belt 1 and a small sprocket belt 2 , wherein the large sprocket belt 1 is composed of a large sprocket 11 and a large sprocket 11 matched with the large sprocket 11 , and the large sprocket 1 is processed to form a waterproof layer 13 and is cut by a thin blade. The waterproof layer 13 is cut in the middle, wherein the small sprocket belt 2 is composed of a small sprocket 21 and a small sprocket 21 matched with the small sprocket 21, and the small sprocket 2 is processed to form a waterproof layer 23. And cutting the waterproof layer 23 from the middle with a thin blade; and the large sprocket 11 of the large sprocket belt 1 faces upward and the small sprocket 21 of the small sprocket belt 2 faces downward, and the large and small chain After the two layers of the upper and lower layers of the toothed belts 1, 2 are aligned at the same central reference position, the upper and lower layers of the large tape 12 and the small cloth tape 22 are stacked together, and are adjacent to the large chain rack 11 and the large cloth. The outer side of the slit with 12 stitches is sewn together with a single needle or multiple needles, and then the water is narrowly sealed at the puncture hole of the suture needle Article 4 further thermal paste to fill pinholes, to form with explosion-proof, waterproof double toothed chain belt.

In summary, the present invention can be summarized as having the following enhancement effects:

1. Both the explosion-proof and waterproof double-layer tooth structure zipper, when encountering bags, tents, etc., when the need to bend and sew, the outer large teeth have strong tensile strength and because the tape with the waterproof layer is on the inside The phenomenon of squeezing, on the contrary, causes the parts that have been cut by the thin blade in the middle to form a mutual squeeze and become tighter and tighter together to enhance the waterproof function. At the same time, the chain of the small waterproof function of the lower layer is also fixed to the fixed position by the two sides, so there is still free space, and the water-repellent layer tape does not contain the gap of the outer expansion. phenomenon. But still have anti-overhang The resistance of the upper layer is supported by the resistance of the upper side to ensure the anti-puncture. The method and structure not only save materials, simple processing, high efficiency, but also can be processed into equal length and then processed into open and closed size zippers. Compared with the general waterproof zipper, it has double waterproof effect, is more waterproof and has explosion-proof function.

2. For the case that there is no need to have high resistance to lateral tension, the upper and lower layers of large and small cloth belts 12 and 22 can be directly welded together to directly attach the appropriate distances of the two outer rows of the teeth. .

3. In order to meet the needs of customers if they are not waterproof, they can also omit the related processing of the above-mentioned waterproof layer. The structure of the double-stitching method can also achieve the explosion-proof effect.

4. The matched slider can be a Nolock or Autolock slider or a semi-automatic retraction head. The characteristics of the slider are the common base and different cavities to accommodate the different sprocket shapes of the upper and lower layers.

Therefore, the present invention does have its industrial use value. It is an application for a patent for invention, and it is requested that the examination committee of the bureau should examine and grant the patent in detail.

However, the above-mentioned embodiments are only the preferred embodiments of the present invention, and the equivalent variations and modifications made by the scope of the present invention should still be the patents covered by the present invention. Within the scope.

Claims (6)

A stitching processing method for a large sprocket belt and a small sprocket belt is formed by first sewing a large sprocket with a large sprocket and a large sprocket to form a large sprocket belt, and then processing the large sprocket belt The waterproof layer cuts the waterproof layer from the middle with a thin blade, and separately separates the small chain rack and the small chain rack to form a small sprocket belt, and then the small sprocket belt is processed to form a waterproof Layering and cutting the waterproof layer from the middle with a thin blade; then, the large sprocket of the large sprocket belt is facing upward and the small sprocket of the small sprocket belt is facing downward, and the large and small sprocket belt is brought up and down After the two layers are aligned at the same central reference position, the upper and lower layers of the large and small tapes are stacked together, and a single needle or more is placed on the outside of the slit bundle near the large sprocket and the large tape. The needles are sewn together, and then the pinholes are filled with a narrow waterproof strip at the puncture hole of the suture needle to form a double-layered toothed belt. The method for stitching a large sprocket belt and a small sprocket belt according to claim 1, wherein the narrow waterproof sticker of the punctured needle portion is a reflective film or a waterproof with a trademark pattern. membrane. The method for stitching a large sprocket belt and a small sprocket belt according to the first aspect of the patent application, wherein the large and small sprocket belts are each coated with a hot waterproof membrane or a thermal insulation adhesive, and the cloth is coated. The inner margin of the belt is widened to facilitate the hot glue melting into the grinding and leveling process, and each has a waterproof layer. A double-toothed chain belt stitched with a large sprocket belt and a small sprocket belt, comprising a large sprocket belt and a small sprocket belt, wherein the large sprocket belt is composed of a large sprocket and a large sprocket The matching large tape is stitched, and the large sprocket is processed to form a waterproof layer and the waterproof layer is cut from the middle with a thin blade, wherein the small sprocket is matched by the small sprocket to the small sprocket The small cloth tape is composed of a stitch, and the small sprocket belt is processed to form a waterproof layer and the waterproof layer is cut from the middle with a thin blade; The large sprocket of the large sprocket belt faces upward and the small sprocket of the small sprocket belt faces downward, and the upper and lower layers of the large and small sprocket belt are aligned at the same central reference position, The lower layer of the large cloth tape and the small cloth tape are stacked together, and are stitched together by a single needle or a plurality of needles on the outer side of the slit bundle which is close to the large chain rack and the large cloth tape stitching, and then the hole is punched in the sewing needle The parts are then filled with a narrow-width waterproof strip to fill the pinholes to form a double-layered toothed belt. The double-toothed toothed belt with a large sprocket belt and a small sprocket belt as claimed in claim 4, wherein the narrow waterproof sticker of the needle-punched portion is a reflective film or has a trademark pattern. Waterproof membrane. The double-toothed toothed belt with a large sprocket belt and a small sprocket belt as described in claim 4, wherein the large and small sprocket belts are each coated with a thermal waterproofing membrane or a thermal insulation coating. And the inner margin of the cloth strip is widened to facilitate the hot glue of the exposed tooth portion into the grinding and leveling, and respectively have a waterproof layer.