Front windshield sunshade curtain and commercial vehicle

Abstract

The invention relates to the technical field of vehicle engineering, and particularly discloses a front windshield sunshade curtain and a commercial vehicle, the front windshield sunshade curtain comprises a rolling assembly, a guiding assembly and a supporting assembly, the rolling assembly is provided with a rolling shaft, the rolling shaft is used for rolling or unfolding sunshade cloth, the guiding assembly comprises a guiding rod and a sliding block, the sliding block is fixedly connected to the side edge of the sunshade cloth, and the supporting assembly is arranged on the guiding rod. The guide rod is parallel to the windshield glass and extends in the vertical direction of the windshield glass, one end of the supporting assembly is connected to the winding assembly, the other end of the supporting assembly is connected to the lower edge of the sunshade cloth, and the supporting assembly is attached to the sunshade cloth and can be folded along with winding of the sunshade cloth or unfolded along with unfolding of the sunshade cloth. When the sunshade cloth is unfolded, the supporting assemblies stretch along with unfolding of the sunshade cloth to provide reliable supporting for the sunshade cloth, the swing amplitude and frequency of the sunshade cloth in the vehicle driving process are greatly reduced, then the influence on the view of a driver is reduced, and driving safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of vehicle engineering, and in particular to a front windshield sunshade and a commercial vehicle. Background Art

[0002] The windshield sunshade of commercial vehicles is usually pulled down to block the sun, so as to prevent direct sunlight from affecting the vision during driving. The traditional windshield sunshade is in the form of vertical lifting, which will cause pressure on the driver's field of vision when unfolded. When the vehicle is parked, the windshield sunshade needs to be fully unfolded to prevent direct sunlight from shining on the vehicle interior, but because it is lifted vertically, it cannot effectively block the central control instrument panel.

[0003] In this regard, the prior art provides an electric sunshade, which is driven by a motor to rise and fall along the windshield to avoid oppression on the driver's field of vision, and can also effectively block the central control instrument panel when fully unfolded. However, the front windshield of commercial vehicles is large in size, so during the driving of the vehicle, the curtain of the sunshade will swing irregularly, causing frequent changes in the light at the driver's side, which greatly affects the driver's field of vision and driving safety. Summary of the invention

[0004] The object of the present invention is to provide a front windshield sunshade and a commercial vehicle to solve the problem in the prior art that the curtain fabric of the sunshade swings during driving.

[0005] The present invention provides a front windshield sunshade, comprising a rolling assembly, a driving assembly, a guiding assembly and a supporting assembly. The rolling assembly is installed on the upper crossbeam of the windshield. The rolling assembly is provided with a rolling shaft, which is used for rolling up or unfolding a sunshade cloth. The driving assembly is used for driving the rolling shaft to rotate so as to roll up or unfold the sunshade cloth. The guiding assembly comprises a guiding rod and a sliding block, which is slidably connected to the guiding rod. The sliding block is fixedly connected to the side edge of the sunshade cloth. The guiding rod is arranged parallel to the windshield glass and extends in the upper and lower directions of the windshield glass. One end of the supporting assembly is connected to the rolling assembly, and the other end is connected to the lower edge of the sunshade cloth. The supporting assembly is in contact with the sunshade cloth, and the supporting assembly can be folded as the sunshade cloth is rolled up, or expanded as the sunshade cloth is unfolded.

[0006] As a preferred technical solution for the front windshield sunshade, the support assembly includes a hinge shaft, a first support rod and a second support rod. The first support rod is connected to the rolling assembly, and the second support rod is connected to the lower edge of the sunshade cloth. The first support rod and the second support rod are arranged at an angle, and the lower end of the first support rod and the upper end of the second support rod are hingedly connected by a hinge shaft.

[0007] As a preferred technical solution for the front windshield sunshade, an elastic member is provided on the hinge shaft, and the elastic member is used to increase the angle between the first support rod and the second support rod to unfold the sunshade cloth.

[0008] As a preferred technical solution for the front windshield sunshade, two support assemblies are provided, and the two support assemblies are symmetrically arranged on the sunshade cloth.

[0009] As a preferred technical solution for the front windshield sunshade, the rolling assembly also includes an outer shell, a cover plate and two end covers. The outer shell is fixedly connected to the cover plate and forms a accommodating space. The rolling shaft and the drive assembly are both arranged in the accommodating space. The two end covers are respectively fixedly connected to the two ends of the outer shell, and the first support rod is hingedly connected to the end cover.

[0010] As a preferred technical solution for the front windshield sunshade, the guide assembly also includes a counterweight rod, the counterweight rod is fixedly connected to the lower edge of the sunshade cloth, and the second support rod is hingedly connected to the counterweight rod.

[0011] As a preferred technical solution for the front windshield sunshade, two guide assemblies are provided, the two guide rods are arranged in parallel and are respectively located on both sides of the sunshade cloth, and the two sliders are respectively fixedly connected to the two ends of the counterweight rod.

[0012] As a preferred technical solution for the front windshield sunshade, the slider is provided with an oblong hole, the guide rod passes through the oblong hole, and the hole wall of the oblong hole is provided with a chamfer along the sliding direction of the slider.

[0013] As a preferred technical solution for the front windshield sunshade, the driving component is a servo motor, and the output shaft of the servo motor is connected to the winding shaft.

[0014] The present invention provides a commercial vehicle, comprising a cab assembly, the cab assembly comprising a windshield upper crossbeam and a windshield glass, and also comprising a front windshield sunshade curtain of any of the above schemes, the winding component is installed on the windshield upper crossbeam, and the sunshade cloth is used to partially or completely shield the windshield glass.

[0015] The beneficial effects of the present invention are:

[0016] The present invention provides a front windshield sunshade, which is provided with a support assembly, one end of which is connected to a rolling assembly, and the other end is arranged at the lower edge of a sunshade cloth and fits with the sunshade cloth. Therefore, when the sunshade cloth is unfolded, the support assembly expands as the sunshade cloth is unfolded to provide reliable support for the sunshade cloth, thereby greatly reducing the swing amplitude and frequency of the sunshade cloth during vehicle driving, thereby reducing the impact on the driver's field of vision and improving driving safety.

[0017] The present invention provides a commercial vehicle. By arranging the front windshield sunshade of the present invention, on the one hand, the influence of backlight on the driver during driving is reduced, and on the other hand, direct sunlight is prevented from shining on interior parts and interior panels when the vehicle is parked. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of a front windshield sunshade curtain in a first viewing angle according to an embodiment of the present invention;

[0019] Figure 2 Schematic diagram of the structure of the front windshield sunshade in the second viewing angle according to an embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the front windshield sunshade in an embodiment of the present invention after the sunshade cloth, the outer shell and the cover plate are hidden;

[0021] Figure 4 Schematic diagram of the connection structure of the winding assembly and the guide assembly in an embodiment of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the cooperation between the slider and the guide rod in an embodiment of the present invention;

[0023] Figure 6 This is a schematic diagram of the front windshield sunshade after installation in an embodiment of the present invention.

[0024] In the figure:

[0025] 100, windshield upper beam; 200, windshield glass; 300, sunshade cloth;

[0026] 1. Reeling assembly; 11. Reeling shaft; 12. Housing; 13. Cover plate; 14. End cover; 15. Bracket;

[0027] 2. Drive assembly; 21. Servo motor; 22. Power supply connector;

[0028] 3. Guide assembly; 31. Guide rod; 32. Sliding block; 321. Chamfer; 33. Connecting piece; 34. Fixing block; 35. Rivet nut; 36. Counterweight rod;

[0029] 4. Support assembly; 41. First support rod; 42. Second support rod; 43. Articulated shaft. DETAILED DESCRIPTION

[0030] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0034] like Figure 1-Figure 5As shown, the present invention provides a front windshield sunshade, which is applied to commercial vehicles such as trucks or buses, and is used to partially shade the front windshield during driving to prevent light from affecting the driver. It is also used to completely shade the front windshield when the vehicle is parked to prevent direct sunlight from shining on the interior parts and accelerating the aging of the interior parts. The front windshield sunshade includes a winding assembly 1, a driving assembly 2, a guiding assembly 3 and a supporting assembly 4. The winding assembly 1 is installed on the upper crossbeam 100 of the windshield, and is preferably embedded in the interior panel at the upper crossbeam 100 of the windshield to reduce space occupation and avoid affecting the driver's field of vision. The winding assembly 1 is provided with a winding shaft 11, and the upper edge of the sunshade cloth 300 is fixedly connected to the winding shaft 11, and the winding shaft 11 is used to roll up or unfold the sunshade cloth 300. The driving assembly 2 is used to drive the reel 11 to rotate to reel in or unfold the sunshade cloth 300. For example, when the driving assembly 2 drives the reel 11 to rotate forward, the reel 11 reels the sunshade cloth 300, and when it rotates reversely, the sunshade cloth 300 is unfolded. In other embodiments, the driving assembly 2 may also drive the reel 11 to rotate forward to unfold the sunshade cloth 300, and when it rotates reversely, the sunshade cloth 300 is reeled in. By setting the driving assembly 2, there is no need to manually reel in or unfold the sunshade cloth 300. When the vehicle travels to the backlight section, the driver can control the driving assembly 2 to reel in or unfold the sunshade cloth 300 by means of buttons or remote control, thereby ensuring driving safety. The guiding assembly 3 includes a guiding rod 31 and a slider 32. The slider 32 is slidably connected to the guiding rod 31. The slider 32 is fixedly connected to the side edge of the sunshade cloth 300. The guiding rod 31 is arranged parallel to the windshield 200 and extends in the up and down direction of the windshield 200. The position where the slider 32 is connected to the sunshade cloth 300 is preferably located at the side edge of the sunshade cloth 300 near the lower edge, that is, the lower left corner area or the lower right corner area, to ensure that the sunshade cloth 300 can be completely rolled up and to ensure the flatness after unfolding. One end of the support component 4 is connected to the rolling component 1, and the other end is connected to the lower edge of the sunshade cloth 300. The support component 4 is fitted with the sunshade cloth 300, preferably with the side of the sunshade cloth 300 close to the windshield 200, so as to further reduce the space occupied in front of the driver's line of sight and improve the aesthetics. The support component 4 can be folded as the sunshade cloth 300 is rolled up or expanded as the sunshade cloth 300 is unfolded, thereby providing reliable support for the sunshade cloth 300, greatly reducing the swing amplitude and frequency of the sunshade cloth 300 during the driving of the vehicle, thereby reducing the impact on the driver's field of vision and improving driving safety. In addition, by setting the guide rod 31, it is ensured that the sunshade cloth 300 is unfolded in parallel with the windshield glass 200, avoiding oppression on the driver's field of vision, and at the same time, it can also effectively block the central control instrument panel after being fully unfolded.

[0035] For further information, please refer to Figure 1-Figure 3As shown, the support assembly 4 includes a hinge shaft 43, a first support rod 41 and a second support rod 42. The top end of the first support rod 41 is connected to the winding assembly 1 by a hinge connection; the bottom end of the second support rod 42 is connected to the lower edge of the sunshade cloth 300 by a hinge connection. The first support rod 41 and the second support rod 42 are arranged at an angle, and the lower end of the first support rod 41 and the upper end of the second support rod 42 are hingedly connected by a hinge shaft 43. It can be understood that as the sunshade cloth 300 is unfolded or rolled up, the distance between the lower edge of the sunshade cloth 300 and the winding assembly 1 increases or decreases, and the corresponding angle between the first support rod 41 and the second support rod 42 also changes accordingly. Specifically, when the sunshade cloth 300 is rolled up, the angle between the first support rod 41 and the second support rod 42 becomes smaller; when the sunshade cloth 300 is unfolded, the angle between the first support rod 41 and the second support rod 42 becomes larger. At the same time, since the first support rod 41 and the second support rod 42 are respectively hingedly connected to the winding assembly 1 and the lower edge of the sunshade cloth 300, that is, the position of the connection point does not move, during the change of the angle between the first support rod 41 and the second support rod 42, the hinge shaft 43 translates in the horizontal direction to ensure the smoothness of the unfolding or winding process of the sunshade cloth 300.

[0036] Taking the unfolding process of the sunshade cloth 300 as an example, the driving component 2 drives the winding shaft 11 to rotate, and the sunshade cloth 300 has a tendency to move downward under the action of the deadweight of the supporting component 4, the deadweight of the slider 32 and the deadweight of the sunshade cloth 300 itself. At the same time, the slider 32 slides downward along the guide rod 31, driving the sunshade cloth 300 to unfold downward. At the same time, the angle between the first support rod 41 and the second support rod 42 becomes larger. The unfolding degree of the sunshade cloth 300 depends on the angle at which the driving component 2 drives the winding shaft 11 to rotate. When reaching the specified position, the sunshade cloth 300 no longer continues to unfold, and the corresponding deadweight of the supporting component 4, the deadweight of the slider 32 and the deadweight of the sunshade cloth 300 itself are all borne by the driving component 2. The driving assembly 2 in this embodiment is a servo motor 21, whose output shaft is connected to the winding shaft 11 through a gear or a coupling. In this embodiment, the output shaft of the servo motor 21 is coaxially arranged with the winding shaft 11, and the two are rigidly connected through a toothed coupling. When the servo motor 21 stops, it can bear a certain degree of external force without being forced to rotate, thereby ensuring the reliability of the device. The servo motor 21 is electrically connected to a power supply connector 22, which is electrically connected to the power supply module of the vehicle to power the servo motor 21, so as to improve the standardization of components.

[0037] Optionally, an elastic member (not shown in the figure) is also provided on the hinge shaft 43, and the elastic member is used to increase the angle between the first support rod 41 and the second support rod 42 to unfold the sunshade 300. During the unfolding process of the sunshade 300, the elastic member provides additional elastic force to the first support rod 41 and the second support rod 42, so that the sunshade 300 can be unfolded to the preset position faster, and under the action of external force, the flatness of the sunshade 300 is better. The elastic member can be a coil spring or a torsion spring. When the elastic member is selected as a coil spring, the two ends of the coil spring are fixedly connected to the first support rod 41 and the second support rod 42 respectively; when the elastic member is selected as a torsion spring, the two spring arms of the torsion spring are respectively pressed against the first support rod 41 and the second support rod 42.

[0038] Specifically, Figure 1 and Figure 3 As shown, the sum of the lengths of the first support rod 41 and the second support rod 42 in this embodiment is greater than the length of the maximum unfolding stroke of the sunshade cloth 300, so that even if the sunshade cloth 300 is fully unfolded, there is an angle between the first support rod 41 and the second support rod 42 to ensure that there will be no dead point and jamming during the rolling process. And because the windshield size of commercial vehicles is relatively large, the support assembly 4 in this embodiment is set to two, and the two support assemblies 4 are symmetrically arranged on the sunshade cloth 300. And it is ensured that when the sunshade cloth 300 is rolled up, that is, when the two support assemblies 4 are in a folded state, the two hinge shafts 43 of the two support assemblies 4 do not interfere with each other, ensuring that the sunshade cloth 300 can be fully rolled up.

[0039] For further information, please refer to Figure 1-Figure 2 As shown, the winding assembly 1 also includes a housing 12, a cover plate 13 and two end covers 14. The housing 12 is fixedly connected to the cover plate 13 and forms a receiving space. Figure 1 As shown, the housing 12 is an arc-shaped or semicircular shell structure, which is connected with the cover plate 13 to form a receiving space. In order to improve the space utilization, the cover plate 13 is arranged on the side close to the windshield 200, and the housing 12 is located on the side away from the windshield 200. The reeling shaft 11 and the driving assembly 2 are both located in the receiving space, and the two end covers 14 are respectively fixed at the two ends of the housing 12. The first support rod 41 is hingedly connected to the end cover 14, so as to ensure that the first support rod 41 and the sunshade cloth 300 fit better. The guide assembly 3 also includes a counterweight rod 36, which is fixedly connected to the lower edge of the sunshade cloth 300, and the second support rod 42 is hingedly connected to the counterweight rod 36, and the length of the counterweight rod 36 is greater than or equal to the length of the lower edge of the sunshade cloth 300. By setting the counterweight rod 36, on the one hand, the sunshade cloth 300 can be unfolded faster, and on the other hand, the counterweight rod 36 pulls the sunshade cloth 300 after it is unfolded, so as to further improve the flatness of the sunshade cloth 300 after it is unfolded.

[0040] For further information, please refer to Figure 1-Figure 4As shown, the guide assembly 3 is provided with two, and the guide rods 31 of the two guide assemblies 3 are arranged in parallel and respectively located on both sides of the sunshade cloth 300. Specifically, the guide rods 31 are parallel to the side edges of the sunshade cloth 300. The two sliders 32 of the two guide assemblies 3 are respectively fixedly connected to the two ends of the counterweight rod 36, so as to ensure the synchronization of the movement of the two sliders 32. Please refer to Figure 4 As shown, the guide assembly 3 also includes a fixing block 34, a connecting piece 33 and a rivet nut 35. The upper end of the connecting piece 33 is fixedly connected to the end cover 14, and the lower end is riveted with a rivet nut 35. The upper end of the guide rod 31 is provided with an external thread, and the fixed connection is achieved through the rivet nut 35, thereby reducing the space occupied along the left and right directions of the vehicle. The fixing block 34 is a rubber part, which is bonded or adsorbed on the windshield 200, and the lower end of the guide rod 31 is inserted into the fixing block 34 for fixing.

[0041] Alternatively, if Figure 5 As shown, the slider 32 is provided with an oblong hole, the guide rod 31 passes through the oblong hole and slides with the inner wall of the oblong hole, and the long axis direction of the oblong hole is parallel to or coincides with the direction of the extended axis of the counterweight rod 36, so as to avoid the two sliding pairs formed by the two guide components 3 from having motion interference in the horizontal direction. In order to further reduce the friction between the guide rod 31 and the slider 32, chamfers 321 are provided above and below the hole wall of the oblong hole along the sliding direction of the slider 32, so as to reduce the friction between the two by reducing the contact area with the guide rod 31. At the same time, the material of the slider 32 is preferably polyoxymethylene, which has the characteristics of self-lubrication and low friction coefficient, so as to further reduce the friction between the slider 32 and the guide rod 31.

[0042] like Figure 6 As shown, the present invention provides a commercial vehicle, including a cab assembly, the cab assembly including a windshield upper crossbeam 100 and a windshield glass 200, and also including a front windshield sunshade in this embodiment. The winding assembly 1 is installed on the front windshield upper crossbeam 100, and the sunshade cloth 300 is used to partially or completely shield the windshield glass 200. By setting the front windshield sunshade in this embodiment, on the one hand, the impact of backlight on the driver during driving is reduced, and on the other hand, it is ensured that the interior parts and interior panels are protected from direct sunlight when the vehicle is parked.

[0043] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The front windshield sunshade is characterized by: include: A reeling assembly (1), the reeling assembly (1) being mounted on a windshield upper crossbeam (100), the reeling assembly (1) being provided with a reeling shaft (11), the reeling shaft (11) being used to reel in or unfold the sunshade cloth (300); A driving component (2), the driving component (2) being used to drive the reel (11) to rotate so as to reel in or unfold the sunshade cloth (300); A guide assembly (3), the guide assembly (3) comprising a guide rod (31) and a slider (32), the slider (32) being slidably connected to the guide rod (31), the slider (32) being fixedly connected to a side edge of the sunshade cloth (300), the guide rod (31) being arranged parallel to the windshield (200) and extending in the up-down direction of the windshield (200); A support assembly (4), one end of the support assembly (4) is connected to the rolling assembly (1), and the other end is connected to the lower edge of the sunshade cloth (300), the support assembly (4) is in contact with the sunshade cloth (300), and the support assembly (4) can be folded as the sunshade cloth (300) is rolled up, or expanded as the sunshade cloth (300) is unfolded.

2. The front windshield sunshade according to claim 1, characterized in that: The support assembly (4) comprises a hinge shaft (43), a first support rod (41) and a second support rod (42); the first support rod (41) is connected to the winding assembly (1), the second support rod (42) is connected to the lower edge of the sunshade cloth (300), the first support rod (41) and the second support rod (42) are arranged at an angle, and the lower end of the first support rod (41) and the upper end of the second support rod (42) are hingedly connected via the hinge shaft (43).

3. The front windshield sunshade according to claim 2, characterized in that: An elastic member is provided on the hinge shaft (43), and the elastic member is used to increase the angle between the first support rod (41) and the second support rod (42) so as to unfold the sunshade cloth (300).

4. The front windshield sunshade according to claim 2, characterized in that: The supporting components (4) are provided in two numbers, and the two supporting components (4) are symmetrically arranged on the sunshade cloth (300).

5. The front windshield sunshade according to claim 2, characterized in that: The winding assembly (1) further comprises an outer shell (12), a cover plate (13) and two end covers (14); the outer shell (12) and the cover plate (13) are fixedly connected to form a storage space; the winding shaft (11) and the driving assembly (2) are both arranged in the storage space; the two end covers (14) are respectively fixedly connected to two ends of the outer shell (12); and the first support rod (41) is hingedly connected to the end covers (14).

6. The front windshield sunshade according to claim 2, characterized in that: The guide assembly (3) further comprises a counterweight rod (36), wherein the counterweight rod (36) is fixedly connected to the lower edge of the sunshade cloth (300), and the second support rod (42) is hingedly connected to the counterweight rod (36).

7. The front windshield sunshade according to claim 6, characterized in that: The guide assembly (3) is provided in two pieces, the two guide rods (31) are provided in parallel and are respectively located on two sides of the sunshade cloth (300), and the two sliders (32) are respectively fixedly connected to the two ends of the counterweight rod (36).

8. The front windshield sunshade according to claim 6, characterized in that: The slider (32) is provided with an oblong hole, the guide rod (31) passes through the oblong hole, and along the sliding direction of the slider (32), the hole wall of the oblong hole is provided with a chamfer (321).

9. The front windshield sunshade according to claim 1, characterized in that: The driving component (2) is a servo motor (21), and the output shaft of the servo motor (21) is connected to the winding shaft (11).

10. A commercial vehicle, comprising a cab assembly, wherein the cab assembly comprises a windshield upper crossbeam (100) and a windshield glass (200), characterized in that: It also comprises the front windshield sunshade curtain according to any one of claims 1 to 9, the rolling assembly (1) is mounted on the windshield upper crossbeam (100), and the sunshade cloth (300) is used to partially or completely cover the windshield glass (200).

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