Defroster of automobile front windshield

By combining a hot air blower, nozzle, scraper, wiping wheel, and waterproof cloth, the design solves the problems of traditional defrosting methods being time-consuming, labor-intensive, and potentially damaging to the glass, achieving a fast and safe defrosting effect and ensuring driving safety and comfort.

CN223546285UActive Publication Date: 2025-11-14NANCHANG LIANGSHENG IND CO LTD
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Patent Information

Application Number
CN202422615621.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-11-14
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Traditional defrosting methods are time-consuming, require additional tools, may damage the glass, and have inconsistent results, affecting driving safety and comfort.

Method used

The defrosting method combines a hot air blower with a nozzle, and uses a scraper and wiping wheel to automatically remove frost and snow. A waterproof cloth protects the glass, and an electromagnet and iron block provide snow protection.

Benefits of technology

It enables quick and safe removal of frost and snow, protects the glass from damage, improves driving safety and comfort, and saves time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile front windshield defrosting, in particular to a defroster of an automobile front windshield. The defroster of the automobile front windshield comprises the front windshield and the like, an installation frame is fixedly connected to the upper portion of the front side of the front windshield, an air heater is installed on the installation frame, a container is fixedly connected to the bottom of the installation frame, a plurality of sprayers are installed on the bottom wall of the container, and guide rods are fixedly connected to the left side and the right side of the bottom of the installation frame. A sliding frame is slidably connected between the guide rods on the left side and the right side, a connecting plate is slidably connected to the sliding frame, symmetrically-distributed springs are connected between the left side and the right side of the connecting plate and the sliding frame, and a scraping rod is fixedly connected to the middle of the connecting plate. According to the defrosting device, frost blocking the sight is removed in the mode that the air heater and the spray head are combined, then the scraping rod and the wiping wheel are combined to remove the remaining frost together, and due to the fact that the scraping rod and the wiping wheel are similar to a windscreen wiper in the defrosting process, normal driving of a vehicle owner cannot be affected, and driving safety is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of automotive windshield defrosting technology, and in particular to a windshield defroster for automobiles. Background Technology

[0002] In winter, there is a large temperature difference between the inside and outside of a car. Especially when the temperature inside the car is higher than the temperature outside, water vapor in the air inside the car will condense into frost when it comes into contact with the colder car window surface. This phenomenon not only affects the driver's vision and reduces driving safety, but may also cause the car interior to be damp, affecting the comfort and lifespan of the vehicle.

[0003] Currently, traditional defrosting methods include physical defrosting, heating the car interior, sunlight exposure, and wiping with warm water. However, methods such as heating the car interior, sunlight exposure, and wiping with warm water are time-consuming and inefficient. In some situations, such as in the countryside, it is inconvenient for car owners to obtain warm water. Physical defrosting often involves car owners manually scraping off the frost with a small plastic shovel or using a small card like a bank card. This may cause scratches due to improper control of force or frequent use.

[0004] Based on the above, this utility model proposes a defroster for the windshield of an automobile. Utility Model Content

[0005] In order to overcome the shortcomings of existing defrosting methods, such as long time consumption, need for additional tools, potential damage to glass, unstable effect, and time and labor costs, this utility model proposes a defroster for automotive windshields.

[0006] Technical solution: A defroster for a car windshield, comprising a windshield, a mounting bracket, a hot air blower, a container, and nozzles. The mounting bracket is fixedly connected to the upper front side of the windshield, and the hot air blower is mounted on the mounting bracket. A container is fixedly connected to the bottom of the mounting bracket, and several nozzles are mounted on the bottom wall of the container.

[0007] Optionally, it also includes guide rods, a sliding frame, a connecting plate, springs, a scraper, and wiping wheels. Guide rods are fixed to both the left and right sides of the bottom of the mounting frame. A sliding frame is slidably connected between the guide rods on the left and right sides. A connecting plate is slidably connected to the sliding frame. Springs are symmetrically distributed between the left and right sides of the connecting plate and the sliding frame. A scraper is fixed to the middle of the connecting plate. Wiping wheels are rotatably connected to the upper and lower parts of the connecting plate. A control component for controlling the up and down movement of the connecting plate is provided on the sliding frame.

[0008] Optionally, the control components include tension ropes, pull ropes, winding wheels, and stepper motors. Tension ropes are connected between the left and right sides of the sliding frame and the upper part of the mounting frame. Stepper motors are installed at the lower part of the guide rods on both sides. The output shafts of the stepper motors on both sides are connected to winding wheels through couplings. Pull ropes are connected between the left and right sides of the bottom of the sliding frame and the adjacent winding wheels.

[0009] Optionally, it also includes a waterproof cloth, an electromagnet, and an iron block. The waterproof cloth is fixed to the inner side of the top wall of the mounting frame, the electromagnet is fixed to the lower side of the waterproof cloth, and the iron block is fixed to the upper side of the sliding frame. The electromagnet and the iron block are magnetically attracted to each other.

[0010] Optionally, a stopper is attached to the left side of the container.

[0011] Optionally, the waterproof fabric can be designed to be foldable for easy storage.

[0012] This utility model has the following advantages: First, it removes the frost that obstructs the view by combining a hot air blower with a nozzle, and then removes the remaining frost by combining a scraper and a wiping wheel. Since the scraper and wiping wheel are similar to windshield wipers when defrosting, they will not affect the driver's normal driving, thus ensuring driving safety.

[0013] This invention protects the car's windshield from snow damage by using a waterproof cloth. The cloth also makes snow removal easier, saving car owners time and increasing the device's practicality. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a three-dimensional structural diagram of the mounting bracket and hot air blower of this utility model.

[0016] Figure 3 This is a partial three-dimensional structural diagram of the mounting bracket, hot air blower, and container of this utility model.

[0017] Figure 4 This is a partial cross-sectional three-dimensional structural diagram of the plug, nozzle, and guide rod of this utility model.

[0018] Figure 5 This is a partial cross-sectional perspective view of the three-dimensional structure of the spring, scraper, and wiping wheel of this utility model.

[0019] Figure 6 This is a partial three-dimensional structural diagram of the pull rope, winding wheel, and stepper motor of this utility model.

[0020] Figure 7 This is a partial cross-sectional three-dimensional structural diagram of the waterproof cloth, electromagnet, and iron block of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1-Windshield, 2-Mounting bracket, 3-Hot air blower, 4-Container, 5-Plug, 6-Nozzle, 7-Guide rod, 8-Sliding bracket, 9-Connecting plate, 91-Spring, 10-Scraper, 11-Wiping wheel, 12-Elastic rope, 13-Pull rope, 14-Winding wheel, 15-Stepper motor, 16-Waterproof cloth, 161-Electromagnet, 17-Iron block. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0023] Example 1

[0024] A defroster for car windshields, such as Figure 1 , Figure 2 and Figure 3 As shown, it includes a windshield 1, a mounting bracket 2, a hot air blower 3, a container 4, a plug 5, and nozzles 6. The mounting bracket 2 is fixed to the upper front side of the windshield 1. The hot air blower 3 is mounted on the mounting bracket 2. The container 4 is fixed to the bottom of the mounting bracket 2. The plug 5 is snapped into the left side of the container 4. At least twenty nozzles 6 are installed on the bottom wall of the container 4.

[0025] like Figure 1 , Figure 4 and Figure 5 As shown, it also includes guide rods 7, sliding frame 8, connecting plate 9, springs 91, scraper rods 10, and wiping wheels 11. There are two guide rods 7, which are fixed to the left and right sides of the bottom of the mounting frame 2 respectively. The sliding frame 8 is slidably connected between the two guide rods 7. The connecting plate 9 is slidably connected to the sliding frame 8. The left and right sides of the connecting plate 9 are connected to the sliding frame 8 with symmetrically distributed springs 91. The scraper rod 10 is fixed to the middle of the connecting plate 9. There are two wiping wheels 11, which are rotatably connected to the upper and lower parts of the connecting plate 9 respectively. The sliding frame 8 is provided with a control component for controlling the up and down movement of the connecting plate 9.

[0026] like Figure 4 and Figure 6 As shown, the control assembly includes a tension rope 12, a pull rope 13, a winding wheel 14, and a stepper motor 15. There are two tension ropes 12, which are respectively connected between the left and right sides of the sliding frame 8 and the upper part of the mounting frame 2. The lower part of the two guide rods 7 is equipped with stepper motors 15, and the output shafts of the two stepper motors 15 are connected to the winding wheels 14 through couplings. The left and right sides of the bottom of the sliding frame 8 are connected to the adjacent winding wheels 14 with pull ropes 13.

[0027] Initially, container 4 is filled with defrosting agent. When frost condenses on the front side of windshield 1, the driver first controls the hot air blower 3 to blow hot air onto windshield 1, and then controls the nozzle 6 to spray defrosting agent. The hot air and defrosting agent can remove the part of the frost that is obstructing the driver's view on windshield 1. If the driver urgently needs to use the car, the remaining frost can be defrosted while driving, provided that it does not affect the driver's view. The stepper motor 15 can be controlled to drive the winding wheel 14 to rotate.

[0028] When the winding wheel 14 rotates in the forward direction, it winds up the pull rope 13, which pulls the sliding frame 8 downward. The tension rope 12 deforms, causing the connecting plate 9, scraper 10, and wiping wheel 11 to move downward together. When the winding wheel 14 rotates in the reverse direction, it releases the pull rope 13. Simultaneously, under the elastic action of the tension rope 12, the sliding frame 8 moves the connecting plate 9, scraper 10, and wiping wheel 11 upward to reset. As the stepper motor 15 continues to rotate in both directions, the scraper 10 and wiping wheel 11 move up and down reciprocally, similar to a windshield wiper. The scraper 10 scrapes away any remaining frost, and the wiping wheel 11 wipes away the scraped frost and melted water to prevent the water from condensing back into frost.

[0029] When all the frost on the windshield 1 has been removed, the driver can control the hot air blower 3 to stop blowing, the nozzle 6 to stop spraying, and the stepper motor 15 to stop running. In summary, the frost obstructing the view is first removed by combining the hot air blower 3 and the nozzle 6, and then the remaining frost is removed by combining the scraper 10 and the wiping wheel 11. Since the scraper 10 and the wiping wheel 11 are similar to windshield wipers when defrosting, they will not affect the driver's normal driving, thus ensuring driving safety.

[0030] Example 2

[0031] Based on Example 1, such as Figure 7 As shown, it also includes a waterproof cloth 16, an electromagnet 161, and an iron block 17. The waterproof cloth 16 is fixed to the inner side of the top wall of the mounting frame 2. The waterproof cloth 16 is designed to be foldable for easy folding. The electromagnet 161 is fixed to the lower side of the waterproof cloth 16. The iron block 17 is fixed to the upper side of the sliding frame 8. The electromagnet 161 and the iron block 17 are magnetically attracted to each other.

[0032] In rainy or snowy weather, when the car owner finishes using the car and is worried about snow accumulating on the windshield 1, the owner can control the electromagnet 161 to generate magnetism. Under the action of magnetic force, the electromagnet 161 and the iron block 17 will attract each other. Then, the stepper motor 15 will drive the winding wheel 14 to wind up the pull rope 13, so that the sliding bracket 8 will pull the waterproof cloth 16 downward through the electromagnet 161 and the iron block 17. The waterproof cloth 16 will cover the windshield 1, preventing the windshield 1 from freezing and accumulating snow.

[0033] When the car owner needs to use the vehicle, they can first demagnetize the electromagnet 161, then shake off the snow by holding the lower end of the waterproof cloth 16. Afterwards, the electromagnet 161 will regain its magnetism and continue to attract the iron block 17. Then, the stepper motor 15 will be controlled to move the sliding bracket 8 upwards to reset, thus allowing the waterproof cloth 16 to retract inside the windshield 1. Finally, the electromagnet 161 can be demagnetized again. In summary, the waterproof cloth 16 protects the car's windshield 1 from snow damage. Because of the waterproof cloth 16's protection, snow removal is also relatively easier, saving the car owner time and increasing the device's practicality.

[0034] The above embodiments are provided for those skilled in the art to implement or use the present invention. Those skilled in the art can make various modifications or changes to the above embodiments without departing from the inventive concept of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments, but should be the maximum scope that conforms to the innovative features mentioned in the claims.

Claims

1. A defroster for a car windshield, characterized in that, It includes a windshield (1), a mounting bracket (2), a hot air blower (3), a container (4), and a nozzle (6). The windshield (1) is fixed to the upper front side of the mounting bracket (2), the hot air blower (3) is mounted on the mounting bracket (2), the container (4) is fixed to the bottom of the mounting bracket (2), and several nozzles (6) are mounted on the bottom wall of the container (4).

2. A defroster for a car windshield as described in claim 1, characterized in that, It also includes guide rods (7), sliding frame (8), connecting plate (9), springs (91), scraper (10) and wiping wheels (11). Guide rods (7) are fixed to the left and right sides of the bottom of the mounting frame (2). The sliding frame (8) is slidably connected between the guide rods (7) on the left and right sides. The connecting plate (9) is slidably connected to the sliding frame (8). The left and right sides of the connecting plate (9) are connected to the sliding frame (8) with symmetrically distributed springs (91). The scraper (10) is fixed to the middle of the connecting plate (9). The upper and lower parts of the connecting plate (9) are rotatably connected with wiping wheels (11). The sliding frame (8) is equipped with a control component for controlling the up and down movement of the connecting plate (9).

3. A defroster for a car windshield as described in claim 2, characterized in that, The control components include a tension rope (12), a pull rope (13), a winding wheel (14), and a stepper motor (15). Tension ropes (12) are connected between the left and right sides of the sliding frame (8) and the upper part of the mounting frame (2). Stepper motors (15) are installed at the lower part of the guide rods (7) on both the left and right sides. The output shafts of the stepper motors (15) on both the left and right sides are connected to the winding wheels (14) through couplings. Pull ropes (13) are connected between the left and right sides of the bottom of the sliding frame (8) and the adjacent winding wheels (14).

4. A defroster for a car windshield as described in claim 3, characterized in that, It also includes a waterproof cloth (16), an electromagnet (161) and an iron block (17). The waterproof cloth (16) is fixed to the inner side of the top wall of the mounting frame (2), the electromagnet (161) is fixed to the lower side of the waterproof cloth (16), and the iron block (17) is fixed to the upper side of the sliding frame (8). The electromagnet (161) and the iron block (17) are magnetically attracted to each other.

5. A defroster for a car windshield as described in claim 4, characterized in that, The left side of the container (4) is fitted with a stopper (5).

6. A defroster for a car windshield as described in claim 5, characterized in that, The waterproof fabric (16) is designed to be foldable for easy folding.