Heating device for automobile seat

By introducing heating wires and a mechanical transmission system into the car seat heating device, the dust in the fan is automatically removed, solving the problem of reduced ventilation efficiency caused by dust accumulation in the fan and achieving a highly efficient dust removal effect.

CN223672329UActive Publication Date: 2025-12-16CHANGZHOU HONGLONG VEHICLE FITTINGS CO LTD
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Patent Information

Application Number
CN202520351496.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2025-12-16
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

The fans in existing car seat heating devices tend to accumulate dust over long periods of operation, leading to reduced ventilation efficiency. However, because the fans are located inside the seat, they are difficult to clean.

Method used

A structure including heating wire, fan, ventilation holes, ventilation cover, movable groove, movable rod, gear, scraper and sponge block is designed to achieve automatic dust removal through mechanical transmission, and to remove dust by utilizing the deformation of the elastic material on the top surface of the seat to drive the gear and scraper.

Benefits of technology

It features an automatic dust removal function for the fan, solving the problem of dust accumulation, improving ventilation efficiency, and boasts a compact structure and excellent performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223672329U_ABST
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Abstract

The utility model discloses a heating device for an automobile seat, which belongs to the technical field of seat heating and comprises a seat main body, a plurality of ventilation holes are arranged on the top surface and the bottom surface of the seat main body, an electric heating wire is arranged at the top of the inner side of the seat main body, a ventilation hood is arranged at the bottom of the inner side of the seat main body, and the ventilation hood is arranged on the inner side of the seat main body. A fan is fixed to the upper portion of the inner side of the ventilation hood, two movable grooves are formed in the middle of the inner side of the ventilation hood, a movable rod is slidably connected between the two movable grooves, a tooth groove is formed in the outer side of the movable rod, a filter screen is fixed to the lower portion of the inner side of the ventilation hood, and a first gear is rotationally connected to the top face of the filter screen. The dust removal device can automatically remove dust on the fan, and solves the problems that dust is easily accumulated when the fan runs for a long time, the ventilation efficiency is reduced, and the fan is located in the seat and is difficult to clean.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of seat heating, more specifically, it relates to a heating device for automobile seat. BACKGROUND

[0002] The main functions of seat heating include improving comfort, preventing seat icing and promoting blood circulation. In cold winter, seat heating can quickly heat the seat surface to a suitable temperature, so that the driver and passenger can feel a warm and comfortable environment, thereby improving the uncomfortable feeling caused by the too cold seat during long time driving in winter. The existing heating device for automobile seat usually sets a fan in the seat to reduce the discomfort caused by sweat after seat heating. However, the fan is easy to accumulate dust during long time operation, which reduces the ventilation efficiency. Since the fan is in the seat, it is difficult to clean. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a heating device for automobile seat, which can automatically clean the fan to solve the problem of the fan in the seat, which is difficult to clean due to the accumulation of dust during long time operation, thereby reducing the ventilation efficiency.

[0004] To achieve the above purpose, the utility model discloses the following technical scheme: a heating device for automobile seat, comprising a seat body, a plurality of ventilation holes are formed in the top surface and the bottom surface of the seat body, an electric heating wire is arranged on the inner top of the seat body, a ventilation cover is arranged on the inner bottom of the seat body, a fan is fixed on the inner upper part of the ventilation cover, two movable grooves are formed in the inner middle part of the ventilation cover, a movable rod is slidably connected between the two movable grooves, a gear slot is formed on the outer side of the movable rod, a filter screen is fixed on the inner lower part of the ventilation cover, a first gear is rotatably connected to the top surface of the filter screen, a scraper is fixed to the lower end of the rotating shaft of the first gear and extends through the top surface of the filter screen to the bottom surface, a rack is fixed to one end of the movable rod, a support is fixed to the inner middle part of the seat body, a second gear is rotatably connected to the inner side of the support, a connecting rod is fixed to the circumferential outer side of the second gear, a spring is fixed to the bottom surface of the connecting rod, an installation plate is fixed to the upper end of the connecting rod, and a sponge block is fixed to the top surface of the installation plate.

[0005] As a preferred technical scheme of the utility model, the outer side of the first gear is meshed and connected with the inner side of the gear slot.

[0006] As a preferred technical scheme of the utility model, the connecting rod is arranged in an inclined structure.

[0007] The outer side of the scraper is in sliding contact with the bottom surface of the filter screen.

[0008] The outer side of the second gear is in meshing connection with the top surface of the rack.

[0009] The lower end of the spring is fixedly connected with the top surface of the ventilation cover.

[0010] The top surface of the sponge block is in abutting contact with the inner top of the seat body.

[0011] The heating device for the automobile seat has the following beneficial effects:

[0012] The heating device for the automobile seat can automatically clean the fan, solves the problem that dust is accumulated on the fan during long-time operation, reduces the ventilation efficiency, and solves the problem that the fan is difficult to clean because the fan is in the seat.

[0013] 2、The heating device for the automobile seat has reasonable and compact structure design and good use effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the heating device for the automobile seat.

[0015] Figure 2 It is a cross-section structure schematic view of the heating device for the automobile seat.

[0016] Figure 3 It is an enlarged schematic view of A in the heating device for the automobile seat. Figure 2

[0017] Figure 4 It is an enlarged schematic view of B in the heating device for the automobile seat. Figure 3

[0018] In the drawing: 1, seat body; 2, ventilation hole; 3, electric heating wire; 4, ventilation cover; 5, fan; 6, movable groove; 7, movable rod; 8, tooth groove; 9, filter screen; 10, first gear; 11, scraper; 12, rack; 13, support; 14, second gear; 15, connecting rod; 16, spring; 17, mounting plate; 18, sponge block. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application. ​​

[0020] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. It is indicated or implied that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Please refer to Figures 1 to 4 The utility model provides a technical scheme: heating device for car seat, including seat main body 1, the top surface and bottom surface of seat main body 1 are all set up with a plurality of ventilation hole 2, the inside top of seat main body 1 is equipped with electric heating wire 3, the inside bottom of seat main body 1 is equipped with ventilating hood 4, the inside upper portion of ventilating hood 4 is fixed with fan 5, the inside middle part of ventilating hood 4 is set up with two movable slots 6, and the movable rod 7 is slidably connected between the two movable slots 6, the outside of movable rod 7 is set up with the gear slot 8, the inside lower portion of ventilating hood 4 is fixed with filter screen 9, the top surface of filter screen 9 is rotatably connected with first gear wheel 10, the lower end of the rotating shaft of first gear wheel 10 extends to the bottom surface through the top surface of filter screen 9 and is fixed with scraper 11, one end of movable rod 7 is fixed with rack 12, the inside middle part of seat main body 1 is fixed with support 13, the inside of support 13 is rotatably connected with second gear wheel 14, the circumferential outside of second gear wheel 14 is fixed with connecting rod 15, the bottom surface of connecting rod 15 is fixed with spring 16, the upper end of connecting rod 15 is fixed with mounting plate 17, the top surface of mounting plate 17 is fixed with sponge block 18, the outside of first gear wheel 10 is meshingly connected with the inside of gear slot 8, connecting rod 15 is arranged in an inclined structure, the outside of scraper 11 is in sliding contact with the bottom surface of filter screen 9, the outside of second gear wheel 14 is meshingly connected with the top surface of rack 12, the lower end of spring 16 is fixedly connected with the top surface of ventilating hood 4, and the top surface of sponge block 18 abuts against the inside top of seat main body 1.

[0023] The seat body 1 is heated by the electric heating wire 3, in the process, the fan 5 drives air to enter the inside through the air vent 2 on the bottom surface of the seat body 1, is heated through the electric heating wire 3, is discharged from the air vent 2 on the top surface of the seat body 1, thereby reducing the discomfort caused by sweat after the seat is heated, when a person sits on the seat body 1, due to the deformation of the elastic material on the top surface of the seat body 1, the top surface of the seat body 1 is concave downward, thereby pushing the connecting rod 15 to rotate downward through the transmission of the sponge block 18 and the mounting plate 17, the connecting rod 15 drives the second gear 14 to rotate, the second gear 14 drives the movable rod 7 to slide along the inside of the movable slot 6 through the rack 12, in the process, the gear slot 8 on the movable rod 7 drives the first gear 10 to rotate, the first gear 10 drives the scraper 11 to rotate along the bottom surface of the filter screen 9 through the rotating shaft, thereby scraping the dust on the bottom surface of the filter screen 9, thereby achieving the function of automatically cleaning dust, after the human body is removed from the seat body 1, the connecting rod 15 is pushed to rotate upward to the original position under the action of the spring 16, so that the mounting plate 17 and the sponge block 18 return to the initial height, thereby waiting for the next triggering, and so on.

[0024] The seat body 1 is heated by the electric heating wire 3, in the process, the fan 5 drives air to enter the inside through the air vent 2 on the bottom surface of the seat body 1, is heated through the electric heating wire 3, is discharged from the air vent 2 on the top surface of the seat body 1, thereby reducing the discomfort caused by sweat after the seat is heated, when a person sits on the seat body 1, due to the deformation of the elastic material on the top surface of the seat body 1, the top surface of the seat body 1 is concave downward, thereby pushing the connecting rod 15 to rotate downward through the transmission of the sponge block 18 and the mounting plate 17, the connecting rod 15 drives the second gear 14 to rotate, the second gear 14 drives the movable rod 7 to slide along the inside of the movable slot 6 through the rack 12, in the process, the gear slot 8 on the movable rod 7 drives the first gear 10 to rotate, the first gear 10 drives the scraper 11 to rotate along the bottom surface of the filter screen 9 through the rotating shaft, thereby scraping the dust on the bottom surface of the filter screen 9, thereby achieving the function of automatically cleaning dust, after the human body is removed from the seat body 1, the connecting rod 15 is pushed to rotate upward to the original position under the action of the spring 16, so that the mounting plate 17 and the sponge block 18 return to the initial height, thereby waiting for the next triggering, and so on.

[0025] The above merely describes the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, carries out equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. Heating device for a car seat, comprising a seat body (1), characterized in that: The top surface and the bottom surface of the seat body (1) are provided with a plurality of ventilation holes (2), the inner top of the seat body (1) is provided with an electric heating wire (3), the inner bottom of the seat body (1) is provided with a ventilation cover (4), the inner upper portion of the ventilation cover (4) is fixedly provided with a fan (5), the inner middle portion of the ventilation cover (4) is provided with two movable grooves (6), the movable grooves (6) are slidably connected with a movable rod (7), the outer side of the movable rod (7) is provided with a gear slot (8), the inner lower portion of the ventilation cover (4) is fixedly provided with a filter screen (9), the top surface of the filter screen (9) is rotatably connected with a first gear (10), the rotating shaft lower end of the first gear (10) extends to the bottom surface of the filter screen (9) through the top surface and is fixedly provided with a scraper (11), one end of the movable rod (7) is fixedly provided with a rack (12), the inner middle portion of the seat body (1) is fixedly provided with a support (13), the inner side of the support (13) is rotatably connected with a second gear (14), the circumferential outer side of the second gear (14) is fixedly provided with a connecting rod (15), the bottom surface of the connecting rod (15) is fixedly provided with a spring (16), the upper end of the connecting rod (15) is fixedly provided with a mounting plate (17), and the top surface of the mounting plate (17) is fixedly provided with a sponge block (18).

2. The heating device for an automobile seat according to claim 1, characterized by: The outer side of the first gear (10) is in meshing connection with the inner side of the gear slot (8).

3. The heating device for an automobile seat according to claim 1, characterized by: The connecting rod (15) is arranged in an inclined structure.

4. The heating device for an automobile seat according to claim 1, characterized by: The outer side of the scraper (11) is in sliding contact with the bottom surface of the filter screen (9).

5. The heating device for an automobile seat according to claim 1, characterized by: The outer side of the second gear (14) is in meshing connection with the top surface of the rack (12).

6. The heating device for an automobile seat according to claim 1, characterized by: The lower end of the spring (16) is fixedly connected with the top surface of the ventilation cover (4).

7. The heating device for an automobile seat according to claim 1, characterized by: The top surface of the sponge block (18) is in abutting contact with the inner top of the seat body (1).