Low-noise outward sliding type automobile skylight guide rail
By incorporating drag-reducing rollers and sound-insulating strips into the sunroof guide rails, the problem of frictional noise caused by insufficient lubrication of the guide rails has been solved, achieving a sunroof design with low noise and long service life.
Patent Information
- Application Number
- CN202520155915.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-22
AI Technical Summary
When existing car sunroof rails lack lubricant, the friction noise between the sunroof and the rails is significant, affecting the riding experience.
Protruding drag-reducing rollers are installed between the guide plates to achieve rolling contact between the slider and the rollers. Combined with the sound insulation strip design, friction noise is reduced and noise transmission is hindered.
It effectively reduces noise when the sunroof is opened and closed, extends the lifespan of the sunroof, and improves its stability.
Smart Images

Figure CN223702249U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of automobile sunroof, and particularly relates to a low-noise outer sliding automobile sunroof guide rail. BACKGROUND
[0002] If the guide rail lacks lubricating grease, in addition to the noise of the motor working, the friction noise between the sunroof and the guide rail will be more obvious when the sunroof is opened and closed, and the noise can be very sharp, greatly reducing the riding experience. SUMMARY
[0003] The present application aims to provide an outer sliding automobile sunroof guide rail which can effectively reduce noise.
[0004] To achieve the above purpose, the present application provides a low-noise outer sliding automobile sunroof guide rail: a plurality of equidistantly arranged resistance reduction rollers are rotatably connected between an upper guide plate and a lower guide plate, only one side of the upper guide plate and the lower guide plate is connected, the resistance reduction rollers protrude from the other side of the upper guide plate and the lower guide plate, the guide rail combination of the upper guide plate, the lower guide plate and the resistance reduction rollers has two, the two guide rail combinations are also parallel to each other, both ends of the two guide rail combinations are fixedly connected through a cross beam, and the sides of the two guide rail combinations where the resistance reduction rollers are exposed are opposite to each other and are used for rolling contact with the sunroof sliding blocks on the outer side.
[0005] As a preferred, the upper guide plate comprises an upper clamping plate, the lower surface of the upper clamping plate is provided with an upper shaft hole, the lower guide plate comprises a lower supporting plate, the upper surface of the lower supporting plate is provided with a lower shaft hole, the outer surface of the resistance reduction roller has a pair of parallel and symmetrical circular end faces, the resistance reduction roller has an end shaft in each of the two circular end faces, the axes of the two end shafts are collinear, and the two end shafts are matched with the upper shaft hole and the lower shaft hole to form a rotating pair, so as to ensure the configuration stability of the resistance reduction roller.
[0006] As a preferred, the side surface of the upper clamping plate has an upper side plate, the bottom of the upper side plate has an upper rib plate, the bottom surface of the upper rib plate has a positioning strip, the side surface of the lower supporting plate has a lower side plate, the top surface of the lower side plate has a lower rib plate, the upper surface of the lower rib plate is provided with a positioning groove, the positioning groove is adapted to be matched with the positioning strip, the upper guide plate and the lower guide plate are aligned, and the assembly efficiency can be improved.
[0007] As a preferred, the bottom surface of the lower supporting plate is fixedly connected with a sound insulation strip, the sound insulation strip is hollow, and the hollow cavity penetrates through both ends, so as to achieve the effects of light weight and sound insulation.
[0008] As a preferred, the side surface of the sound insulation strip has a flow guide plate, the side of the flow guide plate away from the sound insulation strip is upwardly bent, so that the upper surface of the flow guide plate forms a drainage ditch structure.
[0009] As a kind of preferred, the water drainage hole is set to the both ends of the guide plate, the bottom surface of the guide plate has the pipe end for being connected with the water drainage pipe structure in vehicle body with the water drainage hole communication.
[0010] As a kind of preferred, the bridge plate is fixedly connected with the upper guide plate and lower guide plate, and the side surface of the bridge plate has the fixed plate for being connected with roof frame.
[0011] As a kind of preferred, the bridge plate is fixedly connected with the upper guide plate and lower guide plate, and the side surface of the bridge plate has the fixed plate for being connected with roof frame.
[0012] Compared with prior art, the beneficial effects of the present application are:
[0013] (1) by setting the side protruding roller structure between the guide plate, directly with the slider structure of movable sunroof bottom rolling contact, effectively reduce the resistance when sunroof opening and closing, even if the guide rail lacks lubricating grease, also will not emit sharp noise, from the source to reduce the generation of noise, cooperate with the setting of soundproof strip, further hinder the spread of noise to the car, so as to optimize the ride experience;
[0014] (2) since the slider structure of movable sunroof and resistance roller are rolling contact, so the friction and wear between moving parts when sunroof opening and closing will be less, prolong the service life of sliding sunroof, improve the stability of sunroof work. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the overall structure of the low noise outer sliding type automobile sunroof guide rail.
[0016] Figure 2 It is the overall structure of the low noise outer sliding type automobile sunroof guide rail.
[0017] Figure 3 It is the overall structure of the low noise outer sliding type automobile sunroof guide rail Figure 2 The local enlarged view of A of the low noise outer sliding type automobile sunroof guide rail.
[0018] Figure 4 It is the overall structure of the low noise outer sliding type automobile sunroof guide rail
[0019] Figure 5 It is the overall structure of the low noise outer sliding type automobile sunroof guide rail Figure 4 The local enlarged view of B of the low noise outer sliding type automobile sunroof guide rail.
[0020] Figure 6 It is the overall structure of the low noise outer sliding type automobile sunroof guide rail
[0021] Figure 7 is a partial enlarged view of C of the low-noise outer-sliding automobile sunroof guide rail Figure 6
[0022] Figure 8 is a perspective structural schematic view of the lower guide plate of the low-noise outer-sliding automobile sunroof guide rail
[0023] Figure 9 is a partial enlarged view of D of the low-noise outer-sliding automobile sunroof guide rail Figure 8
[0024] Figure 10 is a second perspective structural schematic view of the low-noise outer-sliding automobile sunroof guide rail
[0025] Figure 11 is a partial enlarged view of E of the low-noise outer-sliding automobile sunroof guide rail Figure 10
[0026] Figure 12 is a perspective structural schematic view of the low-noise outer-sliding automobile sunroof guide rail
[0027] Figure 13 is a partial enlarged view of F of the low-noise outer-sliding automobile sunroof guide rail Figure 12
[0028] Figure 14 is a perspective structural schematic view of the lower guide plate of the low-noise outer-sliding automobile sunroof guide rail
[0029] Figure 15 is a partial enlarged view of G of the low-noise outer-sliding automobile sunroof guide rail Figure 14
[0030] Figure 16 is a perspective structural partial sectional view of the crossbeam of the low-noise outer-sliding automobile sunroof guide rail
[0031] In the figure: 1, upper guide plate; 101, upper clamping plate; 102, upper side plate; 103, upper rib plate; 104, positioning strip; 105, upper shaft hole; 2, lower guide plate; 201, lower supporting plate; 202, lower side plate; 203, lower rib plate; 204, positioning groove; 205, sound insulation strip; 206, flow guide plate; 207, drainage hole; 208, pipe joint end; 209, lower shaft hole; 3, resistance-reducing roller; 301, round end face; 302, end shaft; 4, crossbeam; 401, bridging plate; 402, fixed plate; 403, load-reducing groove; 404, connecting hole. DETAILED DESCRIPTION
[0032] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0033] In the description of this application, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this application.
[0034] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.
[0035] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.
[0036] like Figures 1-16 The low-noise, externally sliding car sunroof guide rail shown includes an upper guide plate 1 and a lower guide plate 2 extending in the same direction. Both are generally made of aluminum alloy, combining high strength and lightweight characteristics. A number of equidistantly arranged drag-reducing rollers 3 are rotatably connected between the upper guide plate 1 and the lower guide plate 2. The rotation axes of the drag-reducing rollers 3 are all longitudinal, and the lateral distance between adjacent drag-reducing rollers 3 is no more than one millimeter. The specific structure of the upper guide plate 1 includes an upper clamping plate 101. The lower surface of the upper clamping plate 101 has a number of equidistantly arranged upper shaft holes 105. The specific structure of the guide plate 2 includes a lower support plate 201. The upper surface of the lower support plate 201 has several equidistantly arranged lower shaft holes 209. The drag-reducing roller 3 is generally spherical, but its outer surface has a pair of parallel and symmetrical circular end faces 301. The drag-reducing roller 3 has an end shaft 302 in both circular end faces 301. The axes of the two end shafts 302 are collinear and cooperate with the upper shaft hole 105 and the lower shaft hole 209 respectively to form a rotating pair. That is to say, the drag-reducing roller 3 is sandwiched between the upper clamping plate 101 and the lower support plate 201, retaining only one degree of rotational freedom.
[0037] The upper guide plate 1 and the lower guide plate 2 are connected on one side only, and the resistance-reducing roller 3 protrudes from the other side of the upper guide plate 1 and the lower guide plate 2. It should be noted that the upper surface of the upper clamping plate 101 and the lower surface of the lower supporting plate 201 are curved surfaces that are continuously smooth and transitioned with the outer arc surface of the resistance-reducing roller 3, and are suitable for cooperating with the slider structure at the bottom of the movable sunroof. The side surface of the upper clamping plate 101 further has a vertical upper side plate 102, and the bottom of the upper side plate 102 has an upper rib plate 103 of equal length. The bottom surface of the upper rib plate 103 has a positioning strip 104. The side surface of the lower supporting plate 201 has a vertical lower side plate 202, and the top surface of the lower side plate 202 has a lower rib plate 203 of equal length. The upper surface of the lower rib plate 203 is provided with a positioning groove 204 that is matched with the positioning strip 104, thereby providing positioning for the cooperation of the upper guide plate 1 and the lower guide plate 2.
[0038] The bottom surface of the lower supporting plate 201 is fixedly connected with a sound insulation strip 205. The sound insulation strip 205 is hollow, and the hollow cavity penetrates through both ends of the sound insulation strip 205. The sound insulation strip 205 can hinder the propagation of noise into the vehicle to a certain extent when the movable sunroof slides. The side surface of the sound insulation strip 205 has a flow guide plate 206. The side of the flow guide plate 206 away from the sound insulation strip 205 is bent upward, so that the upper surface of the flow guide plate 206 forms a concave strip-shaped groove for guiding rainwater into the sunroof mechanism. The flow guide plate 206 is provided with a drainage hole 207 at both ends, and the bottom surface of the flow guide plate 206 further has a pipe joint end 208 that is communicated with the drainage hole 207, for connecting with a drainage pipe in the side column of the vehicle window, thereby guiding rainwater out.
[0039] The guide rail combination of the upper guide plate 1, the lower guide plate 2 and the resistance-reducing roller 3 has two, and the two guide rail combinations are also parallel to each other. Both ends of the two guide rail combinations are fixedly connected through a cross beam 4. The sides of the two guide rail combinations that expose the resistance-reducing roller 3 are opposite to each other. The flow guide plate 206 is located below the exposed side of the resistance-reducing roller 3. The cross beam 4 includes a bridge plate 401 fixedly connected with the upper guide plate 1 and the lower guide plate 2. The bridge plate 401 is provided with a negative reduction groove 403. On the premise of ensuring the structural strength, the consumption of materials is reduced, and the self-weight is reduced, thereby realizing lightweight. The side surface of the bridge plate 401 has a fixed plate 402, which is usually located at the top or bottom of the bridge plate 401, for fixedly connecting with the roof frame. Therefore, the fixed plate 402 is further provided with a connecting hole 404 for passing through a bolt or a rivet and the like to realize positioning and fixing.
[0040] Working principle: The slider structure at the bottom of the movable sunroof directly contacts the outer arc surface of the protruding resistance-reducing roller 3, thereby converting sliding friction into rolling friction, effectively reducing the friction force of the movable sunroof when opening and closing, and the noise generated due to the friction force is also reduced. The sound insulation strip 205 further blocks the noise, so that the noise generated due to the movement of the sunroof when opening and closing the sunroof of the vehicle is very low.
[0041] The foregoing describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-described embodiments, and the above-described embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A low noise outer slide type automobile sunroof rail, characterized by: The utility model provides a kind of resistance reduction roller device, including upper guide plate (1) and lower guide plate (2), several equidistantly arranged resistance reduction rollers (3) are rotatably connected between the upper guide plate (1) and lower guide plate (2), the upper guide plate (1) and lower guide plate (2) are connected only one side, the resistance reduction roller (3) protrudes from the other side of the upper guide plate (1) and lower guide plate (2), the guide rail combination of the upper guide plate (1), lower guide plate (2) and resistance reduction roller (3) has two, two guide rail combinations are also parallel to each other, two guide rail combinations are fixedly connected by crossbeam (4) both ends, two guide rail combinations expose the side of resistance reduction roller (3) opposite.
2. The low noise outside sliding type automobile sunroof rail according to claim 1, characterized in that: The upper guide plate (1) includes an upper clamping plate (101), the lower surface of the upper clamping plate (101) is provided with an upper shaft hole (105), the lower guide plate (2) includes a lower supporting plate (201), the upper surface of the lower supporting plate (201) is provided with a lower shaft hole (209), the outer surface of the resistance reduction roller (3) has a pair of parallel and symmetrical circular end faces (301), the resistance reduction roller (3) has an end shaft (302) in each of the two circular end faces (301), the axes of the two end shafts (302) are collinear, and the upper shaft hole (105) and the lower shaft hole (209) are matched to form a rotating pair.
3. The low noise outside sliding type automobile sunroof rail according to claim 2, characterized in that: The side surface of the upper clamping plate (101) has an upper side plate (102), the bottom of the upper side plate (102) has an upper rib plate (103), the bottom surface of the upper rib plate (103) has a positioning strip (104), the side surface of the lower supporting plate (201) has a lower side plate (202), the top surface of the lower side plate (202) has a lower rib plate (203), the upper surface of the lower rib plate (203) is provided with a positioning groove (204) suitable for engaging with the positioning strip (104).
4. The low noise outside sliding type automobile sunroof rail according to claim 3, wherein: The bottom surface of the lower supporting plate (201) is fixedly connected with a sound insulation strip (205), the sound insulation strip (205) is hollow, and the hollow cavity penetrates through both ends.
5. The low noise outside sliding type automobile sunroof track according to claim 4, wherein: The side surface of the sound insulation strip (205) has a guide plate (206), the side of the guide plate (206) away from the sound insulation strip (205) is bent upward.
6. The low noise outside sliding type automobile sunroof track according to claim 5, wherein: Both ends of the guide plate (206) are provided with a drainage hole (207), and the bottom surface of the guide plate (206) has a pipe joint end (208) in communication with the drainage hole (207).
7. The low-noise outside-sliding type automobile sunroof rail according to any one of claims 1 to 6, characterized by: The crossbeam (4) includes a bridge plate (401) fixedly connected with the upper guide plate (1) and the lower guide plate (2), and the side surface of the bridge plate (401) has a fixed plate (402).
8. The low noise outside sliding type automobile sunroof rail according to claim 7, wherein: The bridge plate (401) is provided with a weight reduction groove (403), and the fixed plate (402) is provided with a connecting hole (404).