Glass power supply harness protection structure and glass lifter assembly

Abstract

The application relates to a glass power supply wire harness protection structure and a glass lifter assembly, which comprises a first constraint part and a second constraint part, a constraint cavity is formed between the first constraint part and the second constraint part, a guide groove which is communicated with the constraint cavity and the outside is further formed between the first constraint part and the second constraint part, the guide groove extends along the movement track direction of a glass lifter slider, a movable part is arranged in the guide groove and can reciprocate along the extension direction of the guide groove, the movable part is used for being connected with the glass lifter slider to move synchronously with the glass lifter slider, a bellows is arranged in the constraint cavity, one end of the bellows is connected with the first constraint part or the second constraint part, the other end of the bellows is connected with the movable part and moves with the movable part. The application forms the constraint cavity between the first constraint part and the second constraint part, the bellows is spatially constrained, the bellows is always limited in a predetermined space in the bending and moving process, and interference between the bellows and other structures is avoided.

Description

Technical Field

[0001] This invention relates to the technical field of automotive parts, specifically to a glass power supply harness protection structure and a window regulator assembly. Background Technology

[0002] To enable functions such as dimming and heating in automotive side door windows, power needs to be supplied to the moving glass. One end of the power cable connects to the glass and moves up and down with it, while the other end is fixed to the door. As the power cable moves with the glass, it needs to be protected by a corrugated tubing. The conventional installation method involves letting the corrugated tubing hang naturally. However, this method lacks constraint on the tubing inside the door, resulting in uncontrollable movement and potential interference with internal door components. Summary of the Invention

[0003] Based on the above description, the present invention provides a glass power supply harness protection structure and a window regulator assembly to solve the problems of the lack of constraint on the corrugated pipe inside the car door, the uncontrollable movement trajectory, and the easy interference with the internal components of the car door in the conventional installation method.

[0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: In a first aspect, this application provides a glass power supply harness protection structure, comprising: A first constraint member and a second constraint member, a constraint cavity is formed between the first constraint member and the second constraint member, and a guide groove is also formed between the first constraint member and the second constraint member, which communicates with the constraint cavity and the outside. The guide groove extends along the movement trajectory of the glass lifter slider. A movable component is disposed within the guide groove and can reciprocate along the extension direction of the guide groove. The movable component is used to connect with the glass lifter slider so as to move synchronously with the glass lifter slider. A bellows is disposed within the constraint cavity. One end of the bellows is connected to the first constraint member or the second constraint member, and the other end is connected to the movable member and moves with the movable member.

[0005] Preferably, the bellows is bent into a U-shape within the constraint cavity.

[0006] Preferably, the U-shaped corrugated tube has a curved section and two variable sections located at both ends of the curved section. The variable sections extend along the movement trajectory of the glass lifter slider. The two variable sections of the corrugated tube are spaced apart in a first direction. One end of the corrugated tube connected to the first constraint member or the second constraint member is a fixed end, and the other end is a movable end. When the movable end moves with the movable member, the lengths of the two variable sections increase and decrease respectively.

[0007] Preferably, the constraint cavity has a limiting area, and the curved section of the bellows is always located within the limiting area. The width L of the limiting area in the first direction satisfies the following formula: L=2R+D+A. Where R is the minimum design bending radius of the bellows, D is the maximum outer diameter of the bellows, and A is the allowance, which is greater than zero and less than the first set value.

[0008] Preferably, the thickness of the constraint cavity in the second direction perpendicular to the first direction is greater than the maximum outer diameter of the bellows and less than the second set value.

[0009] Preferably, when the movable component moves up and down with the slider of the window lifter, it has an upper stop position, a middle position and a lower stop position distributed from top to bottom. When the movable component is in the middle position, the two ends of the bellows are at the same height.

[0010] Preferably, the U-shaped opening formed by the bend of the corrugated pipe faces downwards.

[0011] Preferably, the constraint cavity includes a guide area located between the middle position and the lower stop position of the movable member. The guide area extends along the movement path of the movable member and is located on the movement path of the movable member. The width of the guide area in a first direction is greater than the maximum outer diameter of the bellows and less than a third set value. When the movable member moves from the upper stop position to the middle position, it enters the guide area. When the movable member moves from the middle position to the lower stop position, the changing section of the bellows near the movable member enters the guide area along with the movable member.

[0012] Preferably, the width of the guide groove is smaller than the maximum outer diameter of the bellows.

[0013] Secondly, this application provides a window regulator assembly, including the glass power supply harness protection structure described above.

[0014] Compared with the prior art, the technical solution of this application has at least the following beneficial technical effects: 1. This application forms a constraint cavity between the first and second constraint members, and provides a guide groove extending along the movement trajectory of the window regulator slider, and a movable member reciprocating within the guide groove along its extension direction. During installation, the movable member connects to the window regulator slider to move synchronously with it. The guide groove allows the movable member to move along a predetermined path as the slider moves, thereby driving the movable end of the bellows to move along that predetermined path. The constraint cavity spatially constrains the bellows, ensuring that the bellows remains confined within the predetermined space during bending and movement. The cooperation between the constraint cavity and the guide groove completely confines the movement trajectory of the bellows within the constraint cavity, preventing the bellows from swinging freely inside the door and interfering with other structures, thus reducing the risk of bellows wear, wiring harness damage, and glass jamming.

[0015] 2. The bellows is bent into a U-shape within the constraint cavity, with its two changing sections extending along the direction of the slider's movement. As the movable end moves up and down with the slider, the two changing sections of the U-shaped bend adaptively compensate for the displacement by increasing and decreasing one. The bellows maintains a smooth bending state throughout the expansion and contraction process, without causing excessive bending or twisting in certain areas. This ensures that the wire harness slides smoothly within the bellows, reducing the bending resistance and fatigue wear of the bellows.

[0016] 3. The width of the limiting zone of the constraint cavity is designed to just accommodate the U-shaped bend of the bellows, with an appropriate margin, to constrain the bellows and prevent it from shifting or flipping due to excessive movement within the constraint cavity, thus ensuring the stability of the U-shaped bend. Simultaneously, the thickness restriction of the constraint cavity in the second direction confines the bellows within a limited space in the direction perpendicular to the bending surface, further preventing spatial distortion of the bellows during bending.

[0017] 4. The moving part has an upper stop, a middle stop, and a lower stop. When the moving part is in the middle stop position, both ends of the bellows are at the same height. This design allows the bellows to achieve a large range of movement at the moving end within a shorter length, thereby reducing the overall length of the bellows while meeting the glass lifting requirements. The bellows is bent into a U-shape with the opening facing downwards, which can prevent water and dust accumulation inside the bellows. At the same time, by setting a guide area in the constraint cavity, when the moving part moves from the upper stop position to the middle stop position, it enters the guide area. When it moves from the middle stop position to the lower stop position, the section near the moving end enters the guide area along with the moving part. The guide area provides continuous constraint and guidance to this section, ensuring that the section near the moving part is always constrained within the guide area during the glass lowering stroke, preventing this section from bending as the moving part moves downwards, and ensuring that the bellows maintains a stable U-shaped bending shape throughout the entire glass lifting stroke. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the glass power supply harness protection structure provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of the internal structure of the glass power supply harness protection structure provided in an embodiment of the present invention; Figure 3 This is a schematic diagram of the installation structure of the movable component in the glass power supply harness protection structure provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the glass power supply harness protection structure provided in an embodiment of the present invention from another perspective; Figure 5 This is a schematic diagram of the position of the movable component in the glass power supply harness protection structure provided in an embodiment of the present invention, wherein the movable component is located at the upper stop position, the middle position, and the lower stop position from left to right.

[0019] Explanation of reference numerals in the attached figures: 1. First constraint member; 11. First wall; 12. Second wall; 13. Third wall; 2. Second constraint member; 3. Movable member; 31. First part; 32. Second part; 33. Connecting part; 4. Corrugated pipe; 41. Bending section; 42. Changing section; a. Constraint cavity; a1. Limiting area; a2. Guide area; b. Guide groove. Detailed Implementation

[0020] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0022] It is understood that spatial relation terms such as "below," "under," "below," "below," "above," "above," etc., can be used here to describe the relationship between one element or feature shown in the figure and other elements or features. It should be understood that, in addition to the orientation shown in the figure, spatial relation terms also include different orientations of the device in use and operation. For example, if the device in the figure is flipped, the element or feature described as "below" or "below" of the other element or feature will be oriented "above" the other element or feature. Therefore, the exemplary terms "below" and "below" can include both upper and lower orientations. Furthermore, the device may also include other orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptive terms used herein will be interpreted accordingly.

[0023] It should be noted that when one element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediary element. In the following embodiments, "connection" should be understood as "electrical connection," "communication connection," etc., if the connected circuits, modules, units, etc., have the transmission of electrical signals or data between them.

[0024] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising,” “including,” or “having,” etc., specify the presence of the stated feature, whole, step, operation, component, part, or combination thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof.

[0025] Reference Figure 1 As shown, this application provides a glass power supply harness protection structure, which includes a constraint component, a movable element 3, and a corrugated pipe 4.

[0026] Reference Figure 1 and Figure 2 As shown, the constraint assembly includes a first constraint member 1 and a second constraint member 2, forming a constraint cavity a between the first constraint member 1 and the second constraint member 2. A bellows 4 is disposed within this constraint cavity a. A guide groove b, communicating with the constraint cavity a and the outside, is also formed between the first constraint member 1 and the second constraint member 2. The guide groove b extends along the movement trajectory of the window regulator slider. A movable member 3 is disposed within the guide groove b and can reciprocate along the extension direction of the guide groove b. The movable member 3 is used to connect with the window regulator slider to move synchronously with it. One end of the bellows 4 is connected to either the first constraint member 1 or the second constraint member 2, and the other end is connected to the movable member 3 and moves with it.

[0027] During the design phase, the power supply harness and protective structure are assembled into a single integrated unit. The power supply harness passes through the corrugated pipe 4 and is fixed to the movable component 3. After exiting the guide groove b, the power supply harness connects to the glass to supply power to it. During installation, the constraint assembly consisting of the first constraint component 1 and the second constraint component 2 is fixedly installed on the car door, and the movable component 3 and the window regulator slider are fixedly connected. The movable component 3 moves up and down reciprocally with the window regulator slider, and the harness and corrugated pipe 4 move with the movable component 3, continuously supplying power to the glass.

[0028] The constraint cavity a formed between the first constraint member 1 and the second constraint member 2 spatially constrains the bellows 4, ensuring that the bellows 4 is always confined within a predetermined space during bending and movement. The cooperation between the constraint cavity a and the guide groove b completely constrains the movement trajectory of the bellows 4 within the constraint cavity a, preventing the bellows 4 from swinging freely inside the door and interfering with other structures, thus reducing the risk of bellows 4 wear, wiring harness damage, and glass jamming.

[0029] Reference Figure 1 and Figure 2 As shown, in this embodiment, both the first constraint member 1 and the second constraint member 2 are plate-shaped and, to avoid interference with the original structure, are injection molded according to the interior space design of the car door. Specifically, the first constraint member 1 is a base plate, and the second constraint member 2 is a cover plate, with a gap between the base plate and the cover plate, and the constraint cavity a is located between the base plate and the cover plate. Multiple connecting posts with screw holes are provided on the base plate, so that bolts can be threaded through the cover plate and connected to the connecting posts, thereby connecting and fixing the base plate and the cover plate.

[0030] Reference Figure 1 and Figure 2 As shown, in this embodiment, one end of the corrugated pipe 4 is connected to the movable member 3, and the other end is fixedly connected to the base plate. Slot structures are respectively provided on the movable member 3 and the base plate. One end of the corrugated pipe 4 is secured in the slot structure on the movable member 3, and the other end is secured in the slot structure on the base plate. After the power supply harness passes through the corrugated pipe 4, the connector at the end away from the movable member 3 is fixed to the base plate, while the connector at the end of the power supply harness closer to the movable member 3 is free to connect to the glass power supply connector.

[0031] Reference Figure 3 As shown, in this embodiment, the movable component 3 is a wire harness clip, which has a first part 31, a second part 32, and a connecting part 33. The first part 31 is located inside the constraint cavity a, the second part 32 is located outside the constraint cavity a, and the connecting part 33 passes through the guide groove b to connect the first part 31 and the second part 32. The clip on the movable component 3 is provided on the first part 31.

[0032] Reference Figure 2 As shown, the bellows 4 is further bent into a U-shape within the constraint cavity a. The bellows 4 bent into a U-shape has a bent section 41 and two variable sections 42 located at both ends of the bent section 41. The variable sections 42 extend along the movement trajectory of the glass lifter slider. The two variable sections 42 of the bellows 4 are distributed at intervals in the first direction. One end of the bellows 4 connected to the first constraint member 1 or the second constraint member 2 is a fixed end, and the other end is a movable end. When the movable end moves with the movable member 3, the lengths of the two variable sections 42 increase and decrease respectively.

[0033] Since the glass lifter slider moves up and down to lift the glass, in this embodiment, the moving direction of the movable part 3 is up and down, and the two changing sections 42 of the bellows 4 also extend up and down.

[0034] Reference Figure 2 As shown, in order to maintain the bellows 4 in the designed U-shaped bend, the constraint cavity a is designed to have a limiting area a1. The bent section 41 of the bellows 4 is always located within the limiting area a1, and the width L of the limiting area a1 in the first direction is set to satisfy the following formula: L=2R+D+A. Wherein, R is the designed minimum bending radius of the bellows 4, which is the design value, D is the maximum outer diameter of the bellows 4, and A is the reserved margin, which is greater than zero and less than the first set value.

[0035] The width of the limiting area a1 of the constraint cavity a is designed to just accommodate the U-shaped bend of the bellows 4, with an appropriate margin, so as to constrain the bellows 4 and prevent the bellows 4 from shifting or flipping due to excessive range of motion in the constraint cavity a, thus ensuring the stability of the U-shaped bend.

[0036] During the design process, a allowance A is reserved to ensure that the bellows 4 can maintain a bending state slightly larger than the minimum design bending radius within the limiting zone a1. This prevents the bending section 41 from bending in other directions, keeping the bellows 4 in a U-shaped bending form. A can be designed to be 5-10mm, depending on the actual situation.

[0037] Reference Figure 4 As shown, further, the constraint cavity a is configured such that its thickness in a second direction perpendicular to the first direction is greater than the maximum outer diameter of the bellows 4 but less than a second set value. This design constrains the bellows 4 within a limited space in the direction perpendicular to the U-shaped surface formed by the bending of the bellows 4, further preventing spatial distortion of the bellows 4 during bending. Specifically, the second set value can be slightly larger than the maximum outer diameter of the bellows 4, for example, 3-5 mm thicker than the maximum outer diameter of the bellows 4.

[0038] In this embodiment, the first direction is the front-to-back direction of the vehicle body, and the second direction is the left-to-right direction of the vehicle body.

[0039] Furthermore, in order to avoid water and dust accumulation inside the corrugated pipe 4, this embodiment designs the corrugated pipe 4 as a U-shaped opening facing downwards, that is, both ends of the corrugated pipe 4 have downward openings, so that rainwater and dust are not easy to enter the corrugated pipe 4 and accumulate.

[0040] Reference Figure 5As shown in this embodiment, when the movable part 3 moves up and down with the slider of the glass lifter, it has an upper stop position, a middle position, and a lower stop position distributed from top to bottom. When the movable part 3 is in the middle position, both ends of the bellows 4 are at the same height. This design allows the bellows 4 to achieve a large range of movement at its movable end within a shorter length, thereby reducing the overall length of the bellows 4 while meeting the glass lifting requirements.

[0041] Reference Figure 2 and Figure 5 As shown, in this embodiment, the constraint cavity a is further configured to include a guide area a2. The guide area a2 is located between the middle position and the lower stop position of the movable member 3. The guide area a2 extends along the moving path direction of the movable member 3 and is located on the moving path of the movable member 3. The width of the guide area a2 in the first direction is greater than the maximum outer diameter of the bellows 4 and less than the third set value. When the movable member 3 moves from the upper stop position to the middle position, it enters the guide area a2. When the movable member 3 moves from the middle position to the lower stop position, the bellows 4 near the changing section 42 of the movable member 3 enters the guide area a2 along with the movable member 3.

[0042] By setting a guide zone a2 in the constraint cavity a, when the movable part 3 moves from the middle position to the downward stop position, the changing section 42 near the movable end enters the guide zone a2 along with the movable part 3. The guide zone a2 provides continuous constraint and guidance to the changing section 42, ensuring that the changing section 42 near the movable part 3 is always constrained within the guide zone a2 during the glass descent stroke, avoiding bending of this section as the movable part 3 moves downward, and ensuring that the bellows 4 maintains a stable U-shaped bending shape throughout the entire glass lifting stroke.

[0043] The specific third setting value can be designed as needed, for example, it can be 3-5mm thicker than the maximum outer diameter of the corrugated pipe 4.

[0044] Reference Figure 2 and Figure 5 As shown, in this embodiment, a first wall 11, a second wall 12, and a third wall 13 extending along the moving direction of the glass lifter slider are formed on the base plate. The first wall 11, the second wall 12, and the third wall 13 are distributed sequentially at intervals along a first direction. The first wall 11 extends from the upper stop position to the lower stop position, the second wall 12 extends from the middle position to the lower stop position, and the third wall 13 extends from the upper stop position to the middle position.

[0045] Reference Figure 2 and Figure 5As shown, when the cover plate is connected to the bottom plate, the three walls are located between the cover plate and the bottom plate. The guide groove b is formed between the first wall 11 and the cover plate. Correspondingly, the movable part 3 is engaged between the cover plate and the first wall 11. A guide area a2 of the constraint cavity a is formed between the first wall 11 and the second wall 12, and a limiting area a1 of the constraint cavity a is formed between the first wall 11 and the third wall 13. Furthermore, in this embodiment, the top of the second wall 12 is designed to bend towards the third wall 13 to form an arc-shaped guide portion, so that the bellows 4 can smoothly enter the guide area a2 when it moves with the movable part 3.

[0046] The width of the guide groove b is set to be less than the maximum outer diameter of the bellows 4 to prevent the bellows 4 from coming out.

[0047] This embodiment also provides a window regulator assembly, including the window power supply harness protection structure described above. The specific window regulator structure is a conventional technical method; this embodiment combines the aforementioned window power supply harness protection structure with an existing window regulator module into a single product. In other embodiments, the aforementioned window power supply harness protection structure can also be assembled with a door module as a single product.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A power supply harness protection structure for a glass, characterized by, include: A first constraint member (1) and a second constraint member (2) are provided, wherein a constraint cavity (a) is formed between the first constraint member (1) and the second constraint member (2), and a guide groove (b) is formed between the first constraint member (1) and the second constraint member (2) communicating with the constraint cavity (a) and the outside, and the guide groove (b) extends along the movement trajectory direction of the glass lifter slider; The movable part (3) is located in the guide groove (b) and can reciprocate along the extension direction of the guide groove (b). The movable part (3) is used to connect with the glass lifter slider to move synchronously with the glass lifter slider. A bellows (4) is disposed in the constraint cavity (a). One end of the bellows (4) is connected to the first constraint member (1) or the second constraint member (2), and the other end is connected to the movable member (3) and moves with the movable member (3).

2. The glass power supply harness protection structure of claim 1, wherein: The bellows (4) is bent into a U-shape within the constraint cavity (a).

3. The glass power supply harness protection structure according to claim 2, characterized in that: The U-shaped corrugated pipe (4) has a curved section (41) and two variable sections (42) located at both ends of the curved section (41). The variable sections (42) extend along the movement trajectory of the glass lifter slider. The two variable sections (42) of the corrugated pipe (4) are spaced apart in a first direction. One end of the corrugated pipe (4) connected to the first constraint member (1) or the second constraint member (2) is a fixed end, and the other end is a movable end. When the movable end moves with the movable member (3), the lengths of the two variable sections (42) increase and decrease respectively.

4. The glass power supply harness protection structure according to claim 3, characterized in that: The constraint cavity (a) has a limiting area (a1), and the curved section (41) of the bellows (4) is always located within the limiting area (a1). The width L of the limiting area (a1) in the first direction satisfies the following formula: L=2R+D+A. Wherein, R is the minimum design bending radius of the corrugated pipe (4), D is the maximum outer diameter of the corrugated pipe (4), A is the reserved margin, and A is greater than zero and less than the first set value.

5. The glass power supply harness protection structure according to claim 4, characterized in that: The thickness of the constraint cavity (a) in the second direction perpendicular to the first direction is greater than the maximum outer diameter of the bellows (4) and less than the second set value.

6. The glass power supply harness protection structure according to claim 3, characterized in that: When the movable part (3) moves up and down with the slider of the glass lifter, it has an upper stop position, a middle position and a lower stop position distributed from top to bottom. When the movable part (3) is in the middle position, the two ends of the bellows (4) are at the same height.

7. The glass power supply harness protection structure according to claim 6, characterized in that: The U-shaped opening of the corrugated pipe (4) faces downwards.

8. The glass power supply harness protection structure according to claim 7, characterized in that: The constraint cavity (a) includes a guide area (a2), which is located between the middle position and the lower stop position of the movable member (3). The guide area (a2) extends along the moving path direction of the movable member (3) and is located on the moving path of the movable member (3). The width of the guide area (a2) in the first direction is greater than the maximum outer diameter of the bellows (4) and less than a third set value. When the movable member (3) moves from the upper stop position to the middle position, it enters the guide area (a2). When the movable member (3) moves from the middle position to the lower stop position, the bellows (4) close to the changing section (42) of the movable member (3) enters the guide area (a2) along with the movable member (3).

9. The glass power supply harness protection structure according to claim 1, characterized in that: The width of the guide groove (b) is less than the maximum outer diameter of the bellows (4).

10. A window regulator assembly, characterized in that: Includes the glass power supply harness protection structure as described in any one of claims 1-9.

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