阅读说明：本技术 一种加热结构及方向盘 (Heating structure and steering wheel ) 是由 张海涛 李春梅 范丽花 李汝强 于 2019-09-19 设计创作，主要内容包括：本申请公开了一种加热结构及方向盘,包括：基材层,还包括：经黏胶平敷固定在所述基材层上的加热线；所述加热线设置有多个弯折部；所述弯折部的外形为加热线经挤压弯折后形成；所述加热结构用于布置在方向盘的轮缘与蒙皮之间。本申请通过将加热线采用胶粘的方式固定在基材层或者离型纸上,相对于缝制的方式,加工工艺更简单、良品率更高；将加热线设置为多段首尾相连的弯折部,提高了单位面积的加热线的铺设长度,从而使得加热结构的加热效果更好；本申请提供的加热结构和方向盘,由于没有缝纫线的固定限制,其拉伸性较缝纫产品更好；且由于没有缝纫线,包覆后方向盘表面不会产生勒痕和可见的纹路,提高了产品的美观性。(the application discloses heating structure and steering wheel includes: a substrate layer, further comprising: the heating wire is flatly coated and fixed on the substrate layer through the viscose; the heating wire is provided with a plurality of bending parts; the shape of the bending part is formed by extruding and bending the heating wire; the heating structure is for being arranged between a rim and a skin of a steering wheel. According to the sewing machine, the heating wire is fixed on the substrate layer or the release paper in an adhesive mode, and compared with a sewing mode, the sewing machine is simpler in processing technology and higher in yield; the heating wire is arranged into a plurality of sections of bent parts which are connected end to end, so that the laying length of the heating wire in unit area is increased, and the heating effect of the heating structure is better; the heating structure and the steering wheel provided by the application have better stretchability than a sewing product because of no fixed limit of sewing threads; and because no sewing thread exists, no tightening mark and visible grains are generated on the surface of the rear directional disc after being coated, and the attractiveness of the product is improved.)

1. a heating structure comprising: the substrate layer, its characterized in that still includes: the heating wire is flatly coated and fixed on the substrate layer through the viscose; the heating wire is provided with a plurality of bending parts; the shape of the bending part is formed by extruding and bending the heating wire; the heating structure is for being arranged between a rim and a skin of a steering wheel.

2. The heating structure as claimed in claim 1, wherein the bent portion has an outer shape of any one of a zigzag shape, a triangular shape, a V-shape, a U-shape, a square shape, an S-shape, and a trapezoidal shape.

3. The heating structure according to claim 1, wherein an adhesive layer is provided on either one side of the base material layer, or both sides of the base material layer;

The heating wire is fixed on the base material layer through the adhesive layer in an adhesive manner.

4. The heating structure of claim 3, wherein the adhesive layer is an adhesive film.

5. The heating structure as claimed in claim 1, wherein adhesive dots for fixing the heating wire are distributed between the heating wire and the base material layer; or, the heating wire is wrapped on the outer surface of the heating wire.

6. the heating structure according to any one of claims 1 to 5, wherein a flexible layer is further attached to the side of the substrate layer to which the heater wire is bonded.

7. The heating structure of claim 6, wherein the flexible layer is at least one of a non-woven fabric, a gauze, leather, a foam pad, a plastic film, a high elastic sponge, EPDM, and PVC.

8. A steering wheel characterized in that the rim of the steering wheel is coated with the heating structure of any one of claims 1 to 7.

9. The steering wheel of claim 8, wherein an outer surface of the heating structure is coated with a coating.

10. The steering wheel of claim 9, wherein a foam structure is disposed between the heating structure and the covering layer.

Technical Field

The application relates to the technical field of automobile parts, in particular to a heating structure and a steering wheel.

Background

Under the condition of relatively low ambient temperature, when the running direction of the control equipment is controlled, the cold steering wheel can cause the hand feeling to be very uncomfortable, and in a serious condition, the reaction is not timely caused by the stiffness of the hand, so that an unnecessary disaster is caused. Therefore, in order to improve the comfort of human body, reduce the occurrence of disasters and meet the current market demands, the heating device assembled on the steering wheel for controlling the running direction of equipment has more and more extensive market demands.

The heating structure on the steering wheel generally adopts a sewing process to fix the heating wire on the base material, so that the efficiency is low, and the heating structure cannot be repaired after the problems of wire binding and the like are generated in the sewing process, so that the rejection rate is high; also, the sewn steering wheel heater has a dent in the soft base material due to the lower thread sewing, which affects the aesthetic appearance of the steering wheel.

disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a heating structure and a steering wheel for overcoming at least one of the drawbacks and deficiencies.

In a first aspect, the present application provides a heating structure comprising: a substrate layer, further comprising: the heating wire is flatly coated and fixed on the substrate layer through the viscose; the heating wire is provided with a plurality of bending parts; the shape of the bending part is formed by extruding and bending the heating wire; the heating structure is for being arranged between a rim and a skin of a steering wheel.

according to the technical scheme provided by the embodiment of the application, the shape of the bending part is any one of a sawtooth shape, a triangle shape, a V shape, a U shape, a square shape, an S shape or a trapezoid shape.

According to the technical scheme provided by the embodiment of the application, any one side of the base material layer is provided with an adhesive layer, or both sides of the base material layer are provided with adhesive layers;

the heating wire is fixed on the base material layer through the adhesive layer in an adhesive manner.

according to the technical scheme provided by the embodiment of the application, the adhesive layer is an adhesive film.

According to the technical scheme provided by the embodiment of the application, adhesive scattered points for fixing the heating wire are distributed between the heating wire and the substrate layer; or, the heating wire is wrapped on the outer surface of the heating wire.

According to the technical scheme provided by the embodiment of the application, the flexible layer is attached to one side, which is bonded with the heating wire, of the base material layer.

According to the technical scheme that this application embodiment provided, flexible layer is at least one in non-woven fabrics, gauze, leather, foam pad, plastic film, high-elastic sponge, EPDM, PVC.

In a second aspect, the present application provides a steering wheel having a rim with a cladding of any one of the above-described heating structures.

according to the technical scheme provided by the embodiment of the application, the outer surface of the heating structure is wrapped with the coating layer.

According to the technical scheme provided by the embodiment of the application, a foaming structure is further arranged between the heating structure and the coating layer.

According to the sewing machine, the heating wire is fixed on the substrate layer by adopting the viscose, so that compared with a sewing mode, the sewing machine is simpler in processing technology and higher in yield; according to the technical scheme provided by the embodiment of the application, the heating wire is provided with a plurality of bending parts, for example, when the heating wire is a heating resistance wire, the resistance wire design of the bending parts improves the resistance laying length per unit area, namely, the resistance laying length on the substrate layer is lengthened, so that the heating effect of the heating structure is better; furthermore, the bending part can be obtained after being extruded by a mechanical device, so that compared with a processing mode of sewing the heating pad by winding wires commonly adopted in the prior art, the heating structure provided by the application can be further improved in the aspect of processing efficiency, and the pattern extruded by the mechanical device is more uniform than the pattern formed by sewing, so that the heat generated after heating is more uniformly dissipated; in addition, the heating structure and the steering wheel provided by the application have better stretchability than a sewing product due to no fixed limit of sewing threads; in addition, after the heating structure manufactured after the sewing process is removed and the steering wheel is coated, no tightening mark and visible grains are generated on the surface of the steering wheel, the attractiveness of a steering wheel product can be further improved, and the holding hand feeling of the steering wheel is improved.

the heating structure and the steering wheel that this application further provided still further are provided with from hand detection device for heating structure and steering wheel possess the heating simultaneously and leave the hand and detect the function, can reduce the processing human cost that steering wheel production was made, improve the production and manufacturing efficiency of steering wheel simultaneously.

In addition, the multi-region hand-separating detection function further provided by the application can be respectively used for identifying: a single hand holding tray, a double hand holding tray and a holding posture of the double hands on the steering wheel. The operation posture of the driver in the driving process can be better identified, the driver can be reminded of keeping the holding posture strived for all the time conveniently and timely, and further safety guarantee is provided for traffic safety.

in addition to the technical problems addressed by the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems that the heating structure and the steering wheel provided by the present application can solve, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail with reference to the accompanying drawings.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a heating structure in an embodiment of the present application;

3 FIG. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 the 3 line 3 A 3- 3 A 3 in 3 FIG. 3 1 3, 3 which 3 is 3 a 3 schematic 3 structural 3 view 3 of 3 a 3 first 3 embodiment 3 of 3 an 3 adhesive 3 layer 3 in 3 one 3 embodiment 3 of 3 the 3 present 3 application 3; 3

FIG. 3 is a schematic structural diagram of a second embodiment of an adhesive layer in one embodiment of the present application;

FIG. 4 is a schematic structural view of a third embodiment of an adhesive layer in one embodiment of the present application;

FIG. 5 is a schematic structural diagram of a heating line according to a first embodiment of the second embodiment of the present application;

FIG. 6 is a schematic structural diagram of a heating wire according to a second embodiment of the present application;

FIG. 7 is a schematic structural view of a heating wire according to a third embodiment of the second embodiment of the present application;

FIG. 8 is a schematic structural view of a heating wire according to a fourth embodiment of the second embodiment of the present application;

Fig. 9 is a schematic structural view of a heating structure in a third embodiment of the present application;

Fig. 10 is a schematic structural view (single-sided adhesive layer) of a heating structure according to a fourth embodiment of the present application;

Fig. 11 is a schematic structural view of a heating structure (double-sided adhesive layer) according to a fourth embodiment of the present application;

Fig. 12 is a schematic structural view of a heating structure in a fifth embodiment of the present application;

Fig. 13 is a schematic structural view of a heating structure according to a sixth embodiment of the present application;

Fig. 14 is a schematic structural view of a heating structure in a seventh embodiment of the present application;

Fig. 15 is a schematic structural view of a heating structure in an eighth embodiment of the present application;

FIG. 16 is a schematic structural diagram of a steering wheel according to a ninth embodiment of the present application;

FIG. 17 is a schematic structural view of a steering wheel shown in section A in the ninth embodiment of the present application;

Fig. 18 is a schematic structural view of a steering wheel formed after one foaming in the tenth embodiment of the present application;

FIG. 19 is a schematic view of a steering wheel structure obtained by an integral foaming process in example ten of the present application;

Fig. 20 is a schematic structural view of a steering wheel in an eleventh embodiment of the present application;

Fig. 21 is a front or back structural sectional view of a steering wheel provided with a sensing area, the steering wheel being manufactured by one-time foaming in the twelfth embodiment of the present application;

Fig. 22 is a front or back structural sectional view of a steering wheel provided with two sensing areas, which is manufactured by one-time foaming in the twelfth embodiment of the present application, and is also a front structural sectional view of a steering wheel provided with three sensing areas, which is manufactured by one-time foaming;

fig. 23 is a structural cross-sectional view of the back side of a steering wheel provided with three sensing areas, wherein the steering wheel is manufactured by one-time foaming in the twelfth embodiment of the present application;

FIG. 24 is a front or back sectional view of a steering wheel with a sensing area according to a thirteenth embodiment of the present invention;

Fig. 25 is a front or back structural sectional view of a steering wheel provided with two sensing areas for a steering wheel manufactured by secondary foaming in the thirteenth embodiment of the present application, and is also a front structural sectional view of a steering wheel provided with three sensing areas for a steering wheel manufactured by secondary foaming;

Fig. 26 is a structural cross-sectional view of the back of a steering wheel provided with three sensing areas, the steering wheel being manufactured by secondary foaming in a thirteenth embodiment of the present application;

Reference numbers in the figures: 100. a heating structure; 110. a substrate layer; 111. a glue film; 120. a heating wire; 130. a flexible layer; 140. gluing; 141. an adhesive layer; 142. a glue dot layer; 143. wrapping the adhesive layer; 150. a shielding layer; 160. a spacer layer; 170. a sensing layer; 171. a first sensing region; 172. a second sensing region; 173. a third sensing region; 180. a bonding portion; 200. a steering wheel; 210. a rim; 220. a spoke; 230. a coating layer; 240. and (4) a foaming structure.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.