Bonding layer electric heating wire fixing structure

Abstract

The utility model provides a bonding layer electric heating wire fixing structure, which relates to the technical field of heating pads, and comprises base cloth, electric heating wires and mask cloth, the mask cloth covers the base cloth to form a blanket body, a plurality of mutually independent heating wire pipelines for the electric heating wires to penetrate through are formed between the mask cloth and the base cloth, and the electric heating wires penetrate through the heating wire pipelines. The electric heating wires are arranged in the heating wire pipelines in a penetrating mode, pipeline openings facilitating penetrating installation of the electric heating wires are formed in the two ends of each heating wire pipeline, the electric heating wires and the heating wire pipelines are sequentially arranged in a penetrating mode, and inflected U-shaped bent positions are formed at the positions, at the pipeline openings of the two adjacent heating wire pipelines, of the electric heating wires. According to the electric heating wire fixing structure of the bonding layer, a plurality of heating wire pipelines are formed between the base cloth and the mask cloth, electric heating wires sequentially penetrate through the heating wire pipelines, and the bonding layer is bonded and fixed at the U-shaped bending position between every two connected heating wire pipelines. The electric heating wires are prevented from being coiled, snakelike arrangement of the electric heating wires on the base cloth is achieved, the electric heating wires are well fixed between the base cloth and the mask cloth, and rolling and falling are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of heating pads, in particular to an adhesive layer electric heating wire fixing structure. Background Art

[0002] The heating pad is generally composed of multiple cloth layers and heating wires fixedly arranged between the cloth layers, wherein the heating wire is an important element in the heating pad that converts electrical energy into thermal energy. In order to form a large uniform heating surface of the heating pad, the heating wire is usually fixed on the cloth layer in the form of a back-and-forth coil. However, the traditional method of fixing the heating wire is very troublesome, and the heating wire is easy to be looped as a whole at the bend. Therefore, the fixing structure of the heating wire must be improved to a certain extent. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies of the prior art, the utility model provides an adhesive layer electric heating wire fixing structure, which solves the problems raised in the above background technology.

[0005] (II) Technical solution

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: an adhesive layer electric heating wire fixing structure, comprising a base cloth, an electric heating wire, and a mask cloth: the mask cloth is covered on the base cloth to form a blanket body, and a plurality of mutually independent heating wire pipes for the electric heating wires to pass through are arranged between the mask cloth and the base cloth, the electric heating wires are passed through the heating wire pipes, and both ends of each heating wire pipe are formed with pipe openings for convenient passing and installation of the electric heating wires, the electric heating wires are passed through each heating wire pipe in sequence, and the electric heating wire forms a U-shaped bend at the pipe openings of two adjacent heating wire pipes, and an adhesive layer is arranged between the base cloth and the mask cloth at the U-shaped bend.

[0007] Preferably, the adhesive layer is a flexible fabric adhesive, and the flexible fabric adhesive covers and is bonded to and fixed on the U-shaped bending part of the electric heating wire to prevent the electric heating wire from looping.

[0008] Preferably, the adhesive layer is a multi-layer double-sided tape, including a first double-sided tape layer and a second double-sided tape layer, the first double-sided tape layer is pasted and fixed to the pipe openings at both ends of the heating wire pipe, the second double-sided tape layer is pasted and fixed to the U-shaped bend of the electric heating wire, and the mask cloth is covered and pasted on the adhesive layer.

[0009] Preferably, the adhesive layer is spray glue, and the spray glue is sprayed on the base fabric below the U-shaped bend of the electric heating wire.

[0010] Preferably, the heating wire conduit is a sewn quilted conduit between the base fabric and the mask fabric, and the quilted conduit is composed of two sewing lines.

[0011] Preferably, the plurality of heating wire pipes are arranged at equal intervals in the length direction of the base fabric, and the length of each heating wire pipe is equal.

[0012] Preferably, one of the two pipe openings of the heating wire pipe is an inlet pipe opening, and the other is an outlet pipe opening; and the inlet pipe openings and outlet pipe openings of two adjacent heating wire pipes are arranged in opposite directions, and the electric heating wire is arranged symmetrically along the center line of the base fabric as a whole.

[0013] Preferably, the edge of the mask cloth is connected and fixed to the base cloth by sewing.

[0014] Preferably, the heating wire duct is formed by sewing a cloth strip on a base fabric, the cloth strip is covered with a mask cloth, and the mask cloth and the base fabric are connected and fixed by sewing.

[0015] (III) Beneficial effects

[0016] The utility model provides an adhesive layer electric heating wire fixing structure, which has the following beneficial effects:

[0017] The adhesive layer electric heating wire fixing structure forms a plurality of heating wire pipes between the base cloth and the mask cloth. The electric heating wires are sequentially passed through the heating wire pipes to effectively prevent the electric heating wires from moving. The adhesive layer is bonded and fixed at the U-shaped bend between the two connected heating wire pipes to prevent the electric heating wires from circling, thereby realizing the serpentine arrangement of the electric heating wires on the base cloth, and fixing the electric heating wires well between the base cloth and the mask cloth, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a first embodiment of an adhesive layer electric heating wire fixing structure of the utility model;

[0019] Figure 2 This is a structural schematic diagram of a second embodiment of an adhesive layer electric heating wire fixing structure of the utility model;

[0020] Figure 3 It is a top view structural schematic diagram of a bonding layer electric heating wire fixation of the utility model;

[0021] Figure 4 This is a schematic structural diagram of a second embodiment of the utility model for fixing a heating wire pipeline with an adhesive layer electric heating wire.

[0022] In the figure: 1. base fabric; 2. electric heating wire; 3. mask fabric; 4. heating wire pipe; 5. U-shaped bend; 6. flexible fabric adhesive backing; 7. sewing line; 8. cloth strip; 9. first double-sided tape layer; 10. second double-sided tape layer. DETAILED DESCRIPTION

[0023] The utility model embodiment provides a fixing structure of the adhesive layer electric heating wire 2, such as Figure 1-4 As shown, it includes a base cloth 1, an electric heating wire 2, and a mask cloth 3: the mask cloth 3 is covered on the base cloth 1 to form a blanket body, and a plurality of independent heating wire pipes 4 for the electric heating wires 2 to pass through are arranged between the mask cloth 3 and the base cloth 1. The electric heating wires 2 are passed through the heating wire pipes 4, and both ends of each heating wire pipe 4 are formed with pipe openings for convenient passing and installation of the electric heating wires 2. The electric heating wires 2 are passed through each heating wire pipe 4 in sequence, and the electric heating wires 2 form a U-shaped bend 5 at the pipe openings of two adjacent heating wire pipes 4, and an adhesive layer is arranged between the base cloth 1 and the mask cloth 3 at the U-shaped bend 5.

[0024] like Figure 1 As shown, in the first embodiment, the adhesive layer is a flexible fabric adhesive 6, which can be a brushed cloth adhesive. The flexible fabric adhesive 6 covers and is bonded to and fixed on the U-shaped bend 5 of the electric heating wire 2 to prevent the electric heating wire 2 from looping.

[0025] like Figure 2 As shown, in the second embodiment, the adhesive layer is a multi-layer double-sided tape, including a first double-sided tape layer 9 and a second double-sided tape layer 10. The first double-sided tape layer 9 is pasted and fixed to the pipe openings at both ends of the heating wire pipe 4, and the second double-sided tape layer 10 is pasted and fixed to the U-shaped bend 5 of the electric heating wire 2. The mask cloth 3 is covered and pasted on the adhesive layer.

[0026] In the third embodiment, the adhesive layer is spray glue, which can be sprayed onto the base fabric 1 below the U-shaped bend 5 of the electric heating wire 2 by a spray gun or a compressed can, and then covered with the mask fabric 3 for bonding. This embodiment is convenient, fast and efficient.

[0027] like Figure 1 and 3 As shown, the heating wire pipe 4 is a sewn quilted pipe between the base fabric 1 and the mask fabric 3, and the quilted pipe is composed of two sewing lines 7.

[0028] Furthermore, the plurality of heating wire conduits 4 are arranged at equal intervals in the length direction of the base fabric 1 , and the length of each heating wire conduit 4 is equal.

[0029] Preferably in the embodiment, one of the two pipe openings of the heating wire pipe 4 is an inlet pipe opening, and the other is an outlet pipe opening; and the inlet pipe opening and the outlet pipe opening of two adjacent heating wire pipes 4 are arranged in opposite directions, and the electric heating wire 2 is arranged symmetrically along the center line of the base cloth 1 as a whole.

[0030] In all the above embodiments, the edge of the mask cloth 3 is connected and fixed to the base cloth 1 by sewing.

[0031] like Figure 4 As shown, the heating wire duct 4 is formed by sewing a quilted duct between the mask cloth 3 and the base cloth 1, or it can be formed by sewing a cloth strip 8 on the base cloth 1 alone, and the cloth strip 8 covers the mask cloth 3, and the mask cloth 3 and the base cloth 1 are sewn and fixed. In this way, the electric heating wire 2 can be arranged in different shapes on the base cloth 1.

[0032] Working principle: The implementation steps of the adhesive layer electric heating wire 2 fixing structure are:

[0033] The first step is to sew the heating wire pipes 4 at equal intervals between the mask cloth 3 and the base cloth 1 by a sewing machine, leaving pipe openings at both ends of the heating wire pipes 4 to facilitate the insertion of the electric heating wires 2;

[0034] The second step is to pass the electric heating wire 2 through the heating wire pipe 4 in turn, one of the two pipe openings of the heating wire pipe 4 is an inlet pipe opening, and the other is an outlet pipe opening; and the inlet pipe openings and outlet pipe openings of two adjacent heating wire pipes 4 are arranged in opposite directions;

[0035] The third step is to bond and fix the adhesive layer at the U-shaped bend 5;

[0036] Embodiment 1: A flexible fabric adhesive 6 is bonded on the U-shaped bend 5;

[0037] Embodiment 2: A first double-sided tape layer 9 is bonded to the base fabric 1 below the U-shaped bend 5, and a second double-sided tape layer 10 is bonded above the U-shaped bend 5;

[0038] The fourth step is to sew the mask cloth 3 and the edges of the base cloth 1 together to form a blanket body.

[0039] To sum up, the adhesive layer electric heating wire 2 fixing structure forms a plurality of heating wire pipes 4 between the base cloth 1 and the mask cloth 3, and the electric heating wire 2 is sequentially passed through the heating wire pipes 4, and the U-shaped bend 5 between the two heating wire pipes 4 is bonded and fixed with the adhesive layer to prevent the electric heating wire 2 from circling, thereby realizing the serpentine arrangement of the electric heating wire 2 on the base cloth 1, and fixing the electric heating wire 2 well between the base cloth 1 and the mask cloth 3 to prevent it from curling and falling off.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adhesive layer electric heating wire fixing structure, comprising a base fabric (1), an electric heating wire (2), and a mask fabric (3), characterized in that: The mask cloth (3) is covered on the base cloth (1) to form a blanket body. A plurality of mutually independent heating wire pipes (4) for the electric heating wires (2) to pass through are arranged between the mask cloth (3) and the base cloth (1). The electric heating wires (2) are passed through the heating wire pipes (4). Both ends of each heating wire pipe (4) are formed with pipe openings for convenient passing and installation of the electric heating wires (2). The electric heating wires (2) are passed through each heating wire pipe (4) in sequence. The electric heating wires (2) are formed with U-shaped bends (5) at the pipe openings of two adjacent heating wire pipes (4). An adhesive layer is arranged between the base cloth (1) and the mask cloth (3) at the U-shaped bends (5).

2. The adhesive layer electric heating wire fixing structure according to claim 1, characterized in that: The adhesive layer is a flexible fabric adhesive (6), and the flexible fabric adhesive (6) covers and is bonded to and fixed on the U-shaped bend (5) of the electric heating wire (2) to prevent the electric heating wire (2) from looping.

3. The adhesive layer electric heating wire fixing structure according to claim 1, characterized in that: The adhesive layer is a multi-layer double-sided tape, comprising a first double-sided tape layer (9) and a second double-sided tape layer (10); the first double-sided tape layer (9) is adhered and fixed to the pipe openings at both ends of the heating wire pipe (4); the second double-sided tape layer (10) is adhered and fixed to the U-shaped bend (5) of the electric heating wire (2); and the mask cloth (3) is covered and adhered on the adhesive layer.

4. The adhesive layer electric heating wire fixing structure according to claim 1, characterized in that: The adhesive layer is spray glue, and the spray glue is sprayed on the base fabric (1) below the U-shaped bend (5) of the electric heating wire (2).

5. The adhesive layer electric heating wire fixing structure according to claim 1, characterized in that: The heating wire pipe (4) is a sewn quilted pipe between the base fabric (1) and the mask fabric (3), and the quilted pipe is composed of two sewing lines (7).

6. The adhesive layer electric heating wire fixing structure according to claim 3, characterized in that: The plurality of heating wire pipes are arranged at equal intervals in the length direction of the base fabric (1), and the length of each heating wire pipe (4) is equal.

7. The adhesive layer electric heating wire fixing structure according to claim 4, characterized in that: Of the two pipe openings of the heating wire pipe (4), one pipe opening is an inlet pipe opening, and the other is an outlet pipe opening; and the inlet pipe openings and outlet pipe openings of two adjacent heating wire pipes are arranged in opposite directions, and the electric heating wire (2) is arranged symmetrically along the center line of the base fabric (1) as a whole.

8. The adhesive layer electric heating wire fixing structure according to claim 5, characterized in that: The edge of the mask cloth (3) is connected and fixed to the base cloth (1) by sewing.

9. The adhesive layer electric heating wire fixing structure according to claim 1, characterized in that: The heating wire duct (4) is formed by sewing a cloth strip (8) onto a base fabric (1); the cloth strip (8) covers a face mask (3); and the face mask (3) and the base fabric (1) are connected and fixed by sewing.

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