Safety belt device with heating function and automobile seat

Abstract

The utility model discloses a safety belt device with a heating function and an automobile seat, and relates to the technical field of automobile accessories, and the device comprises a safety belt body which is used in cooperation with a furling structure on the automobile seat; a spring bolt structure is arranged on the safety belt body; the heating structure is arranged in the safety belt body and electrically connected with the spring bolt structure; the heating structure comprises a heating area and a pre-storage area which are adjacently arranged, the spring bolt structure and the lock catch electricity taking device are connected in an inserted mode when no passenger exists in the seat, the pre-storage area is close to the furling structure relative to the heating area, and the pre-storage area is located outside the furling structure; in the using state, the spring bolt structure is connected with the lock catch electricity taking device in an inserted mode, and the pre-storage area and the heating area stretch out by the needed length according to the body shape of a passenger on the seat and conduct heating. The heating area and the pre-storage area extend out by corresponding lengths, the heating area is used for heating, the heating requirements of passengers of different body types are met, the bending length of the heating structure is reduced, and the service life of the heating structure is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application generally relates to the technical field of automobile accessories, and particularly relates to a safety belt device with a heating function and an automobile seat. BACKGROUND

[0002] Automobile seat heating has become a basic comfort configuration in today's automobiles. Safety belt heating can improve the comfort of driving and riding in cold weather, reduce physical discomfort and muscle tension caused by cold, and help relieve the cold feeling in the abdomen and shoulders during long-term driving.

[0003] At present, due to the limitation of heating materials, the heating area of the safety belt cannot be repeatedly bent, for example, the traditional three-point safety belt is usually only heated in the waist belt area (as shown in Figure 1 ) to ensure the service life of the heating wire; and the two-point safety belt cannot simultaneously apply the heating wire to people of different body types due to structural limitations when arranging the heating structure, or the heating wire is damaged after repeated adjustment of the length of the safety belt (as shown in Figure 2 ); therefore, how to reduce the bending of the heating wire while enabling it to adapt to passengers of different body types is a problem to be solved. CONTENT OF THE UTILITY MODEL

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a safety belt device with a heating function and an automobile seat which reduces the bending length of the heating wire, guarantees the service life of the heating wire, and meets the needs of passengers of different body types.

[0005] In a first aspect, the present application provides a safety belt device with a heating function applied to an automobile seat, comprising:

[0006] a safety belt body;

[0007] at least one winding structure, the safety belt body is used in cooperation with the winding structure on the automobile seat; the safety belt body is provided with a lock tongue structure, the lock tongue structure is fixedly connected with the safety belt body, and is used for plug-in connection with a lock catch power supply on the automobile seat, and at least one winding structure and the lock catch power supply are located on the same side of the automobile seat;

[0008] at least one guide structure, at least one guide structure and the lock catch power supply are located on both sides of the automobile seat;

[0009] A heating structure is arranged in the safety belt body and is electrically connected with the lock tongue structure; the safety belt body comprises a heating area and a pre-stored area arranged adjacently, the heating structure is arranged in the heating area, the lock tongue structure is plugged with the lock buckle power extractor in the state that the seat is not occupied by a passenger, the pre-stored area is arranged close to the heating area relative to the winding structure and is located outside the winding structure, and the heating area is located between the guiding structure and the lock buckle power extractor;

[0010] In the use state, the lock tongue structure is plugged with the lock buckle power extractor, and the pre-stored area and the heating area are heated according to the length required by the body shape of the passenger on the seat.

[0011] According to the technical scheme provided by the embodiment of the application, when the safety belt device is a two-point safety belt,

[0012] The winding structure is a first winding device, and is arranged on one side in the seat cushion of the seat; the guiding structure is a first guiding plate, the lock buckle power extractor is arranged on one side of the seat cushion provided with the first winding device, the other side of the seat cushion is provided with the first guiding plate, and the lock buckle power extractor is arranged adjacent to the first winding device.

[0013] The heating area is a first heating area, and the pre-stored area is a first pre-stored area.

[0014] In the use state, the lock tongue structure is plugged with the lock buckle power extractor, so that the safety belt body is heated according to the length required by the body shape of the passenger on the seat through the first winding device and the first guiding plate.

[0015] According to the technical scheme provided by the embodiment of the application, in the non-use state, the lock tongue structure is arranged adjacent to the first guiding plate.

[0016] According to the technical scheme provided by the embodiment of the application, when the safety belt device is a three-point safety belt,

[0017] The winding structure comprises a first winding device and a second winding device, and the guiding structure comprises a first guiding plate and a second guiding plate; the first winding device is arranged on one side in the seat cushion; the lock buckle power extractor is arranged on one side of the seat cushion of the seat provided with the first winding device, the other side of the seat cushion is provided with the first guiding plate, and the lock buckle power extractor is arranged adjacent to the first winding device; the second guiding plate is arranged on the end of the backrest of the seat away from the seat cushion, and the second winding device is arranged on one side in the backrest away from the second guiding plate.

[0018] The heating area is a first heating area and a second heating area, and the pre-storing area is a first pre-storing area and a second pre-storing area; the first heating area is arranged adjacent to the first pre-storing area, and the second heating area is arranged adjacent to the second pre-storing area; the first heating area and the first pre-storing area are located between the first winding device and the latch structure, and the second heating area and the second pre-storing area are located between the second winding device and the latch structure.

[0019] In the use state, the latch structure is plugged with the lock catch power supply, so that the safety belt body is stretched to the required length by the first winding device and the second winding device through the first guide plate and the second guide plate according to the size of the seat occupant, and heated by the first heating area and the second heating area.

[0020] According to the technical scheme provided in the embodiment of the application, the second winding device is located in the middle or lower part of the backrest.

[0021] According to the technical scheme provided in the embodiment of the application, in the non-use state, the latch structure is arranged corresponding to the upper part, the middle part or the lower part of the backrest.

[0022] According to the technical scheme provided in the embodiment of the application, when the safety belt device is a three-point safety belt,

[0023] The winding structure includes a first winding device and a second winding device, and the guide structure includes a first guide plate and a second guide plate.

[0024] The first winding device is arranged on one side of the seat cushion inside the automobile seat, the lock catch power supply is arranged on the side of the seat cushion where the first winding device is arranged, and the other side of the seat cushion is provided with the first guide plate; the lock catch power supply is arranged adjacent to the first winding device; the second guide plate is arranged on the side close to the automobile seat of the automobile body frame adjacent to the automobile seat, and the second winding device is arranged on the side away from the second guide plate inside the automobile body frame.

[0025] The heating area is a first heating area and a second heating area, and the pre-storing area is a first pre-storing area and a second pre-storing area; the first heating area is arranged adjacent to the first pre-storing area, and the second heating area is arranged adjacent to the second pre-storing area; the first heating area and the first pre-storing area are located between the first winding device and the latch structure, and the second heating area and the second pre-storing area are located between the second winding device and the latch structure.

[0026] In the use state, the lock tongue structure is plugged with the lock catch power supply, so that the safety belt body is stretched to the required length by the first and second winding devices through the first and second guide plates according to the size of the seat occupant, and heated by the first and second heating zones.

[0027] According to the technical scheme provided by the embodiment of the application, the lock tongue structure is arranged on the upper part, middle part or lower part of the vehicle body frame in the non-use state.

[0028] According to the technical scheme provided by the embodiment of the application, the first and second limiting buckles are arranged between the first and second heating zones, and the lock tongue structure is located between the first and second limiting buckles, for limiting the relative position of the lock tongue structure.

[0029] In the second aspect, the application provides an automobile seat, which comprises the safety belt device with the heating function.

[0030] According to the above technical scheme, the application has at least the following beneficial effects:

[0031] The application provides a safety belt device with a heating function, which comprises a safety belt body and at least one winding structure used in cooperation with a winding structure on an automobile seat, the safety belt body and the winding structure are used in cooperation, the safety belt body is provided with a lock tongue structure for plugging with a lock catch power supply on the automobile seat; the at least one winding structure and the lock catch power supply are located on the same side of the automobile seat; at least one guide structure and the lock catch power supply are located on both sides of the automobile seat; the safety belt body is provided with a heating structure electrically connected with the lock tongue structure, the safety belt body comprises adjacent heating zones and pre-stored zones, the heating structure is arranged in the heating zone, the lock tongue structure is plugged with the lock catch power supply in the state that the seat is not occupied by an occupant, the pre-stored zone is arranged close to the winding structure relative to the heating zone, and the pre-stored zone is located outside the winding structure, and the heating zone is located between the guide structure and the lock catch power supply; in the use state, the lock tongue structure is plugged with the lock catch power supply, and the pre-stored zone and the heating zone are stretched to the required length and heated according to the size of the occupant on the seat.

[0032] The present application designs the safety belt body into two regions, i.e. a heating region and a pre-storing region, and sets the heating structure in the heating region. When the passenger sits on the seat, the tongue structure and the buckle power supply are plugged. Due to the difference in the body shape of the passenger on the seat, the heating region and the pre-storing region extend by a corresponding length and are heated by the heating region, so that the heating area formed can meet the heating needs of passengers with different body shapes. In addition, when the seat is in a state without a passenger, the tongue structure is plugged with the buckle power supply, the pre-storing region is located outside the winding structure, and the heating region is located between the guide structure and the buckle power supply. The length setting can reduce the bending length of the heating structure, so as to guarantee the service life of the heating structure. BRIEF DESCRIPTION OF DRAWINGS

[0033] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments made with reference to the accompanying drawings.

[0034] Figure 1 It is a first structure example of a traditional safety belt.

[0035] Figure 2 It is a second structure example of a traditional safety belt.

[0036] Figure 3 It is a schematic diagram of a two-point safety belt.

[0037] Figure 4 It is a schematic diagram of a first three-point safety belt.

[0038] Figure 5 It is a schematic diagram of a second three-point safety belt.

[0039] Figure 6 It is a schematic diagram of the tongue structure of a two-point safety belt in an unused state.

[0040] Figure 7 It is a first form schematic diagram of the tongue structure of a first three-point safety belt in an unused state.

[0041] Figure 8 It is a second form schematic diagram of the tongue structure of a first three-point safety belt in an unused state.

[0042] Figure 9 It is a third form schematic diagram of the tongue structure of a first three-point safety belt in an unused state.

[0043] Figure 10 It is a first form schematic diagram of the tongue structure of a second three-point safety belt in an unused state.

[0044] Figure 11Fig. 2 is a schematic view of a second form of the lock tongue structure of the second three-point safety belt in an unused state.

[0045] Figure 12 Fig. 3 is a schematic view of a third form of the lock tongue structure of the second three-point safety belt in an unused state.

[0046] Figure 13 Fig. 4 is a schematic view of the first and second limit buckles.

[0047] Figure 14 Fig. 5 is a schematic view of the seat when occupied by a small-sized occupant.

[0048] Figure 15 Fig. 6 is a schematic view of the seat when occupied by a large-sized occupant.

[0049] Figure 16 Fig. 7 is a schematic view of the seat when occupied by a small-sized occupant. Figure 12

[0050] Fig. 8 is a schematic view of the seat when occupied by a large-sized occupant. Figure 17 Figure 12 Fig. 9 is a schematic view of the seat when occupied by a small-sized occupant.

[0051] Reference numerals in the drawings: 1, lock tongue structure; 2, lock buckle power supply device; 3, first retractor; 4, seat cushion; 5, first guide plate; 6, first heating zone; 7, first pre-storing zone; 8, second retractor; 9, backrest; 10, second guide plate; 11, second heating zone; 12, second pre-storing zone; 13, vehicle body frame; 14, first limit buckle; 15, second limit buckle. DETAILED DESCRIPTION

[0052] The application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related application, and are not a limitation on the application. In addition, it should be noted that only the parts related to the application are shown in the drawings for ease of description.

[0053] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0054] The present application provides a safety belt device with a heating function, applied to a car seat, the safety belt device comprising:

[0055] a safety belt body;

[0056] ​At least one rolling structure, the safety belt body is used with the rolling structure on the car seat; the safety belt body is provided with a lock tongue structure 1, the lock tongue structure 1 is fixedly connected with the safety belt body, is used for and is plugged with the lock catch power supply 2 on the car seat, at least one rolling structure and the lock catch power supply 2 are located on the same side of the car seat;

[0057] At least one guide structure, at least one guide structure and the lock catch power supply 2 are located on both sides of the car seat;

[0058] Heating structure, the heating structure is arranged in the safety belt body, and the heating structure is electrically connected with the lock tongue structure 1;The safety belt body includes adjacent heating area and pre-stored area, the heating structure is arranged in the heating area, the lock tongue structure 1 is plugged with the lock catch power supply 2 in the state that there is no passenger on the seat, the pre-stored area is arranged close to the rolling structure relative to the heating area, and the pre-stored area is located outside the rolling structure, and the heating area is located between the guide structure and the lock catch power supply 2;

[0059] In use, the lock tongue structure 1 is plugged with the lock catch power supply 2, and the pre-stored area and the heating area are heated according to the length required by the body type of the passenger on the seat.

[0060] It should be noted that the lock tongue structure 1 is both the lock catch structure of the safety belt body and the power connection structure of the heating structure, the heating structure is connected with the control module and the power supply through the lock tongue structure 1, when the lock tongue structure 1 is plugged with the lock catch power supply 2, the body of the passenger can be relatively restrained on the car seat, at the same time, the heating circuit is connected, the heating structure is turned on through the control of the control module, so that the heating structure can heat. The heating structure can be sewn, glued or woven on the safety belt body by metal wire, or sheet-shaped resistance type heating element such as metal sheet and graphene film is pasted on the safety belt body, which is arranged in the heating area, and the pre-stored area is a conventional belt body structure.

[0061] The safety belt body is designed as two areas, i.e. the heating area and the pre-stored area, and the heating structure is arranged in the heating area, when the passenger is on the seat, the lock tongue structure 1 is plugged with the lock catch power supply 2, due to the difference in body type of the passenger on the seat, the heating area and the pre-stored area extend corresponding length and heat by the heating area, the heating area formed can meet the heating needs of passengers with different body types, and in the state that there is no passenger on the seat, the lock tongue structure 1 is plugged with the lock catch power supply 2, at this time, the pre-stored area is located outside the rolling structure, and the heating area is located between the guide structure and the lock catch power supply 2, such length setting can reduce the bending length of the heating structure, so as to guarantee the service life of the heating structure.

[0062] As shown in Figure 3 and Figure 6 When the safety belt device is a two-point safety belt,

[0063] The winding structure is the first winder 3, and it is arranged at one side inside the seat cushion 4 of the automobile seat; the guiding structure is the first guiding plate 5, and the lock catch power device 2 is arranged at one side of the seat cushion 4 provided with the first winder 3, and the other side of the seat cushion 4 is provided with the first guiding plate 5; wherein the lock catch power device 2 is arranged adjacent to the first winder 3, and such a layout form can make as few parts of the heating structure as possible to be wound in the first winder 3, reduce the bending length of the heating structure, and maximize the service life of the heating structure. The first guiding plate 5 has a guiding effect on the movement of the safety belt body, avoiding the occurrence of twisting and jamming. As shown in Figure 6 , in the unused state, the lock tongue structure 1 is arranged adjacent to the first guiding plate 5, the lock tongue structure 1 is clamped by the first guiding plate 5, the first heating area 6 and the first pre-stored area 7 are received in the first winder 3 and the seat cushion 4, and subsequent use is facilitated.

[0064] The heating area is the first heating area 6, and the pre-stored area is the first pre-stored area 7; that is, the safety belt body only fixes the abdominal area of the occupant.

[0065] In the use state, the lock tongue structure 1 is inserted with the lock catch power device 2, so that the safety belt body is stretched out by the first winder 3 through the first guiding plate 5 to the required length according to the body type of the seat occupant, and heated by the first heating area 6.

[0066] If the occupant is a small-sized person, only the first heating area 6 is stretched out to the outside of the seat cushion 4, which can meet the heating needs; if the occupant is a medium-sized person or a large-sized person, the first heating area 6 and part of the first pre-stored area 7 or the whole first pre-stored area 7 are stretched out to the outside of the seat cushion 4. The aforementioned small-sized, medium-sized and large-sized can be divided according to the weight of the human body, which is a conventional design and will not be described in detail.

[0067] The two-point safety belt described above can be applied to any seat of the front, middle and rear rows of the automobile.

[0068] As shown in Figure 4 , when the safety belt device is a three-point safety belt,

[0069] The winding structure includes the first winder 3 and the second winder 8, the guiding structure includes the first guiding plate 5 and the second guiding plate 10, the first winder 3 is arranged at one side inside the seat cushion 4 of the automobile seat; the lock catch power device 2 is arranged at one side of the seat cushion 4 provided with the first winder 3, and the other side of the seat cushion 4 is provided with the first guiding plate 5; the lock catch power device 2 is arranged adjacent to the first winder 3; the second guiding plate 10 is arranged at one end of the backrest 9 of the automobile seat away from the seat cushion 4, and the second winder 8 is arranged at one side inside the backrest 9 away from the second guiding plate 10; as shown in Figure 7 , Figure 8 and Figure 9As shown, the lock tongue structure 1 is arranged on the upper part, middle part or lower part of the backrest 9, and can be arranged at the corresponding position according to the human habit action, so as to facilitate quick access.

[0070] The lock catch power extractor 2 is arranged on one side of the seat cushion 4 provided with the first retractor 3, and the other side of the seat cushion 4 is provided with the first guide plate 5; the backrest 9 away from the seat cushion 4 is provided with the second guide plate 10; wherein the lock catch power extractor 2 is arranged adjacent to the first retractor 3, and such a layout form can make as few parts of the heating structure as possible to be retracted in the first retractor 3, reduce the bending length of the heating structure, and maximize the service life of the heating structure. The first guide plate 5 and the second guide plate 10 have a guiding effect on the movement of the safety belt body, avoiding the occurrence of distortion and jamming.

[0071] The heating area is the first heating area 6 and the second heating area 11, and the pre-storage area is the first pre-storage area 7 and the second pre-storage area 12, the first heating area 6 and the first pre-storage area 7 are arranged adjacent to each other, the second heating area 11 and the second pre-storage area 12 are arranged adjacent to each other, the first heating area 6 and the first pre-storage area 7 are located between the first retractor 3 and the lock tongue structure 1, and the second heating area 11 and the second pre-storage area 12 are located between the second retractor 8 and the lock tongue structure 1; that is, the safety belt body can fix the abdominal area and the shoulder area of the occupant.

[0072] In the use state, the lock tongue structure 1 is inserted with the lock catch power extractor 2, so that the safety belt body is stretched to the required length by the first guide plate 5 and the second guide plate 10 according to the body type of the seat occupant, and is heated by the first heating area 6, at the same time, is heated by the second heating area 11. In the non-use state, the second retractor 8 is arranged corresponding to the middle part or the lower part of the backrest 9.

[0073] As shown in Figure 14 and Figure 15 Due to the different body types of the occupants, the first pre-storage area 7 is stretched to different lengths to meet the heating needs of occupants of different body types.

[0074] The above-mentioned three-point safety belt can be applied to the rear seats of a car.

[0075] As shown in Figure 5 When the safety belt device is a three-point safety belt,

[0076] The winding structure comprises a first winder 3 and a second winder 8, and the guide structure comprises a first guide plate 5 and a second guide plate 10; the first winder 3 is arranged at one side of the seat cushion 4 inside the automobile seat, the lock catch power supply device 2 is arranged at the side of the seat cushion 4 provided with the first winder 3, and the other side of the seat cushion 4 is provided with the first guide plate 5; the lock catch power supply device 2 is arranged adjacent to the first winder 3, the second guide plate 10 is arranged at the side of the automobile seat frame 13 away from the automobile seat, and the second winder 8 is arranged at the side of the automobile seat frame 13 inside away from the second guide plate 10; as shown in Figure 10 、 Figure 11 and Figure 12 , in the non-use state, the lock tongue structure 1 is arranged at the upper part, the middle part or the lower part of the automobile seat frame 13, and can be arranged at the corresponding position according to the human habit action, so as to facilitate quick access.

[0077] The lock catch power supply device 2 is arranged at the side of the seat cushion 4 provided with the first winder 3, and the other side of the seat cushion 4 is provided with the first guide plate 5; the second guide plate 10 is arranged at the side of the automobile seat frame 13 away from the automobile seat; wherein the lock catch power supply device 2 is arranged adjacent to the first winder 3, so that the heating structure can be wound in the first winder 3 as little as possible, the bending length of the heating structure is reduced, and the service life of the heating structure is maximized. The first guide plate 5 and the second guide plate 10 have a guiding effect on the movement of the safety belt body, so as to avoid the situation of twisting and jamming.

[0078] The heating area comprises a first heating area 6 and a second heating area 11, and the pre-storage area comprises a first pre-storage area 7 and a second pre-storage area 12; the first heating area 6 is arranged adjacent to the first pre-storage area 7, and the second heating area 11 is arranged adjacent to the second pre-storage area 12; the first heating area 6 and the first pre-storage area 7 are located between the first winder 3 and the lock tongue structure 1, and the second heating area 11 and the second pre-storage area 12 are located between the second winder 8 and the lock tongue structure 1; that is, the safety belt body can fix the abdominal area and the shoulder area of the occupant.

[0079] In the use state, the lock tongue structure 1 is inserted with the lock catch power supply device 2, so that the safety belt body is stretched to the required length by the first guide plate 5 and the second guide plate 10 according to the body type of the seat occupant, and is heated by the first heating area 6 and the second heating area 11.

[0080] As shown in Figure 16 and Figure 17 , due to the different body types of the occupants, the first pre-storage area 7 is stretched to different lengths to meet the heating needs of occupants of different body types.

[0081] The three-point safety belt described above is suitable for front seats of automobile seats.

[0082] Further, as shown in Figure 13As shown, the first heating zone 6 and the second heating zone 11 are provided with the first limiting buckle 14 and the second limiting buckle 15, the limiting space is formed between the first limiting buckle 14 and the second limiting buckle 15, the lock tongue structure 1 is located between the first limiting buckle 14 and the second limiting buckle 15, which is used to limit the relative position of the lock tongue structure 1, avoid the lock tongue structure 1 moving at will, so that the heating structure cannot normally effectively heat the body of the occupant.

[0083] The application also provides an automobile seat, comprising the safety belt device with heating function.

[0084] The above description is merely preferred embodiments of the present application and a description of the principles of the technology used. Those skilled in the art should understand that the scope of the application involved in the present application is not limited to the technical solutions formed by the specific combinations of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or equivalent features without departing from the inventive concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.

Claims

1. A seat belt device with heating function, applied to a car seat, characterized in that, The safety belt device comprises: a safety belt body; at least one winding structure, the safety belt body is used with the winding structure on the automobile seat; the safety belt body is provided with a latch structure (1), the latch structure (1) is fixedly connected with the safety belt body, is used for and is inserted with the lock catch (2) on the automobile seat, at least one winding structure is located on the same side of the automobile seat with the lock catch (2); at least one guide structure, at least one guide structure is located on both sides of the automobile seat with the lock catch (2); a heating structure, the heating structure is arranged in the safety belt body, the heating structure is electrically connected with the latch structure (1); the safety belt body comprises adjacent heating area and pre-stored area, the heating structure is arranged in the heating area, the latch structure (1) is inserted with the lock catch (2) in the state that there is no passenger on the seat, the pre-stored area is arranged close to the winding structure relative to the heating area, and the pre-stored area is located outside the winding structure, and the heating area is located between the guide structure and the lock catch (2); In use state, the latch structure (1) is inserted with the lock catch (2), and the pre-stored area and the heating area are heated according to the length required by the body type of the passenger on the seat.

2. The safety belt device with a heating function according to claim 1, characterized in that, When the safety belt device is a two-point safety belt, the winding structure is a first winding device (3), and it is arranged on one side inside the seat cushion (4) of the automobile seat; the guide structure is a first guide plate (5), the lock catch (2) is arranged on one side of the seat cushion (4) provided with the first winding device (3), the other side of the seat cushion (4) is provided with the first guide plate (5); the lock catch (2) is arranged adjacent to the first winding device (3); the heating area is a first heating area (6), and the pre-stored area is a first pre-stored area (7); In use state, the latch structure (1) is inserted with the lock catch (2), so that the safety belt body is stretched to the required length from the first winding device (3) through the first guide plate (5) according to the body type of the passenger on the seat, and heated by the first heating area (6).

3. The safety belt device with a heating function according to claim 2, characterized in that, In the unused state, the latch structure (1) is arranged adjacent to the first guide plate (5).

4. The safety belt device with a heating function according to claim 1, characterized in that, When the safety belt device is a three-point safety belt, The winding structure comprises a first winder (3) and a second winder (8), and the guide structure comprises a first guide plate (5) and a second guide plate (10); the first winder (3) is arranged on one side inside a seat cushion (4) of the automobile seat; the lock catch power extractor (2) is arranged on the side of the seat cushion (4) provided with the first winder (3), and the other side of the seat cushion (4) is provided with the first guide plate (5); the lock catch power extractor (2) is arranged adjacent to the first winder (3); the second guide plate (10) is arranged on one end of a backrest (9) of the automobile seat away from the seat cushion (4), and the second winder (8) is arranged on one side inside the backrest (9) away from the second guide plate (10); The heating area comprises a first heating area (6) and a second heating area (11), and the pre-storage area comprises a first pre-storage area (7) and a second pre-storage area (12); the first heating area (6) is arranged adjacent to the first pre-storage area (7), and the second heating area (11) is arranged adjacent to the second pre-storage area (12); the first heating area (6) and the first pre-storage area (7) are located between the first winder (3) and the lock tongue structure (1), and the second heating area (11) and the second pre-storage area (12) are located between the second winder (8) and the lock tongue structure (1); In the use state, the lock tongue structure (1) is inserted into the lock catch power extractor (2), so that the safety belt body is stretched to the required length by the first winder (3) and the second winder (8) through the corresponding first guide plate (5) and second guide plate (10) according to the body shape of the seat occupant, and is heated by the first heating area (6) and the second heating area (11) at the same time.

5. The seat belt device with a heating function according to claim 4, characterized in that, The second winder (8) is located in the middle or lower part inside the backrest (9).

6. The seat belt device with a heating function according to claim 4, wherein In the non-use state, the lock tongue structure (1) is arranged corresponding to the upper part, the middle part or the lower part of the backrest (9).

7. The safety belt device with a heating function according to claim 1, wherein When the safety belt device is a three-point safety belt, The winding structure comprises a first winder (3) and a second winder (8), and the guide structure comprises a first guide plate (5) and a second guide plate (10); The first winder (3) is arranged on one side inside a seat cushion (4) of the automobile seat, the lock catch power extractor (2) is arranged on the side of the seat cushion (4) provided with the first winder (3), and the other side of the seat cushion (4) is provided with the first guide plate (5); the lock catch power extractor (2) is arranged adjacent to the first winder (3); the second guide plate (10) is arranged on one side of a vehicle body frame (13) adjacent to the automobile seat, and the second winder (8) is arranged on one side inside the vehicle body frame (13) away from the second guide plate (10); The heating area is a first heating area (6) and a second heating area (11), the pre-storage area is a first pre-storage area (7) and a second pre-storage area (12), the first heating area (6) is arranged adjacent to the first pre-storage area (7), and the second heating area (11) is arranged adjacent to the second pre-storage area (12); the first heating area (6) and the first pre-storage area (7) are located between the first winder (3) and the lock tongue structure (1), and the second heating area (11) and the second pre-storage area (12) are located between the second winder (8) and the lock tongue structure (1); In the use state, the lock tongue structure (1) is inserted with the lock catch power device (2), so that the safety belt body is respectively stretched by the first winder (3) and the second winder (8) through the corresponding first guide plate (5) and the second guide plate (10) according to the size of the seat passenger, and heated by the first heating area (6) and the second heating area (11).

8. The seat belt device with a heating function according to claim 7, characterized in that, In the non-use state, the lock tongue structure (1) is arranged on the upper part, the middle part or the lower part of the vehicle body frame (13).

9. The safety belt device with a heating function according to claim 4 or 7, characterized in that, The first heating area (6) and the second heating area (11) are provided with a first limiting buckle (14) and a second limiting buckle (15), and the lock tongue structure (1) is located between the first limiting buckle (14) and the second limiting buckle (15) to limit the relative position of the lock tongue structure (1).

10. An automotive seat characterized by comprising: The safety belt device with a heating function comprises: The safety belt device with a heating function comprises: The safety belt device with a heating function comprises:

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