Position adjustable low beam mechanism and method

Abstract

The application belongs to the technical field of vehicle quality breeding, and particularly relates to a low beam mechanism with adjustable position and a method; the fixed end and the movable end of the adjustable nut are arranged at the two ends of the connecting part respectively, the movable end of the adjustable nut is connected in the connecting part through external threads, and the fixed end, the movable end and the connecting part are respectively provided with communicating internal thread through holes; the fixed end is matched on the lower fastening claw of the low beam, the gap adjusting block handle of the gap adjusting block is fixed on the back of the adjusting block body, the bottom front end of the adjusting block body is extended forward to form a gap adjusting block reference end, and the gap adjusting block positioning end is fixed above the front end of the adjusting block body; through the adjustable mechanism and the assembling and adjusting process, the low beam assembling and adjusting are guided to be completed, the adjustable design structure of the low beam and the front end frame, and the whole process technology and size requirements related to the low beam adjustment are included, and the problem of uneven gap between the low beam and the front bumper can be effectively avoided.

Description

Technical Field

[0001] This invention belongs to the field of vehicle quality improvement technology, specifically relating to a position-adjustable low beam headlight mechanism and method. Background Technology

[0002] Some OEMs require special lighting effects for their low beam headlights, resulting in increased overall headlight weight and making integration with the front bumper impossible. This makes it difficult to guarantee the X-axis matching gap between the low beam headlight and the front bumper. DTS requires 2.0±1.0mm, which cannot be achieved simply by meeting component dimensional tolerances. It necessitates breaking the dimensional chain, designing an adjustable mechanism, and then manually adjusting to ensure the X-axis matching gap. This leads to a huge investment of manpower and resources in the entire process of low beam headlight adjustment, severely impacting production efficiency. Summary of the Invention

[0003] To overcome the above problems, the present invention provides a position-adjustable low beam headlight mechanism and method; through the adjustable mechanism and assembly process, the low beam headlight assembly and adjustment are guided, including the adjustable design structure of the low beam headlight and the front frame, as well as the entire process and dimensional requirements related to the adjustment of the low beam headlight, which can effectively avoid the problem of uneven gap between the low beam headlight and the front bumper.

[0004] An adjustable low beam headlight mechanism includes a low beam headlight 2, wherein a positioning pin structure 3 is provided on the lower fastening claw of the low beam headlight 2, and further includes an adjustable nut 1 and a gap adjustment block 4; wherein the positioning pin structure 3 is provided with an obliquely arranged crushing structure 31.

[0005] The adjustable nut 1 includes an adjustable nut fixed end 11, an adjustable nut movable end 12, and an adjustable nut connecting part 13. The adjustable nut fixed end 11 and the adjustable nut movable end 12 are respectively disposed at both ends of the adjustable nut connecting part 13. The adjustable nut fixed end 11 is fixed to one end of the adjustable nut connecting part 13, and the adjustable nut movable end 12 is connected to the inside of the adjustable nut connecting part 13 by an external thread. The adjustable nut fixed end 11 is fitted onto the lower fastening claw of the low beam lamp 2 inside the positioning pin structure 3, and finally the adjustable nut 1 is fastened onto the lower fastening claw of the low beam lamp 2.

[0006] The gap adjustment block 4 includes an adjustment block body, a gap adjustment block positioning end 41, a gap adjustment block reference end 42, and a gap adjustment block handle 43. The gap adjustment block handle 43 is fixed to the back of the adjustment block body, the bottom front end of the adjustment block body extends forward to form the gap adjustment block reference end 42, and the gap adjustment block positioning end 41 is fixed above the front end of the adjustment block body.

[0007] The positioning pin structure 3 is an integral part of the low beam lamp 2, including a crushing structure 31, a cross positioning pin head 32, and a positioning pin cross rib 33. The fastening claw on the lower side of the low beam lamp 2 extends to the left to form the positioning pin cross rib 33, and the positioning pin cross rib 33 is provided with a cross positioning pin head 32 and a crushing structure 31 on the left side.

[0008] The crushing structure 31 is located at the bend of the locating pin cross rib 33.

[0009] The crushing structure 31 is an oblique crushing rib.

[0010] A method for adjusting the position of a low beam headlight using the aforementioned position-adjustable low beam headlight mechanism includes the following:

[0011] Step 1: When assembling the low beam headlight and the front frame of the interior trim line, first contact the crushing structure 31 of the positioning pin structure 3 with the front frame to play a pre-positioning role. Then, fit the cross positioning pin head 32 of the positioning pin structure 3 into the pre-set low beam headlight positioning hole 5 on the front frame. Use an electric gun to pass the screw through the internal thread through hole that connects the adjustable nut fixing end 11 and the adjustable nut connecting part 13, so that the adjustable nut 1 is initially pre-tightened on the lower fastening claw of the low beam headlight 2.

[0012] Step 2: Insert the gap adjustment block 4 into the gap matching position between the low beam headlight 2 and the front bumper in the X direction;

[0013] Step 2: At the C50 station, which is the chassis line front bumper installation station and the wheel cover installation station, rotate the movable end 12 of the adjustable nut to adjust the position of the movable end 12 of the adjustable nut relative to the adjustable nut connection part 13, so that the positioning end 41 of the gap adjustment block contacts the mask of the low beam headlight 2, and the reference end 42 of the gap adjustment block contacts the contour surface of the front bumper.

[0014] Step 3: Using an electric gun, the screw that has passed through the internal thread through hole of the adjustable nut fixed end 11 and the adjustable nut connecting part 13 is passed through the internal thread through hole of the adjustable mechanism movable end 12 from back to front, so that the adjustable nut 1 is simultaneously pre-tightened on the corresponding position of the front frame and the lower fastening claw of the low beam lamp 2.

[0015] Step 4: After tightening, pull out the gap adjustment block 4.

[0016] The beneficial effects of this invention are:

[0017] First, it provides an effective way to control the size of the gaps between heavy low beam headlights.

[0018] Secondly, this invention can effectively avoid the problem of uneven gaps between low beam headlights and front bumpers in batches.

[0019] Third, this invention can shorten the production cycle of low beam lamps.

[0020] Fourth, this invention can avoid interference between the low beam headlights and the front bumper, which can cause abnormal noises due to friction during driving. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of the present invention;

[0023] Figure 2 This is a side view of the adjustable nut of the present invention;

[0024] Figure 3 This is a partial structural schematic diagram of the present invention;

[0025] Figure 4 This is a partial structural side view of the present invention;

[0026] Figure 5 This is a schematic diagram of the positioning pin structure of the present invention;

[0027] Figure 6 This is a schematic diagram of the gap adjustment block structure of the present invention;

[0028] Figure 7 This is a schematic diagram of the gap adjustment block of the present invention in use;

[0029] Figure 8 This is a schematic diagram of the low beam headlight positioning hole on the front frame when the present invention is used.

[0030] In the diagram: Adjustable nut 1; Adjustable nut fixed end 11; Adjustable nut movable end 12; Adjustable nut connecting part 13; Low beam headlight 2; Positioning pin structure 3; Crushing structure 31; Cross positioning pin head 32; Positioning pin cross rib 33; Gap adjustment block 4; Gap adjustment block positioning end 41, gap adjustment block reference end 42 and gap adjustment block handle 43; Front frame low beam headlight positioning hole 5. Detailed Implementation

[0031] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0032] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0033] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0034] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0035] Example 1

[0036] like Figure 1-5 As shown, an adjustable low beam headlight mechanism includes a low beam headlight 2, wherein a positioning pin structure 3 is provided on the lower fastening claw of the low beam headlight 2, and also includes an adjustable nut 1 and a gap adjustment block 4; wherein the positioning pin structure 3 is provided with an obliquely arranged crushing structure 31.

[0037] The adjustable nut 1 includes an adjustable nut fixed end 11, an adjustable nut movable end 12, and an adjustable nut connecting part 13. The adjustable nut fixed end 11 and the adjustable nut movable end 12 are respectively disposed at both ends of the adjustable nut connecting part 13. The adjustable nut fixed end 11 is fixed to one end of the adjustable nut connecting part 13, and the adjustable nut movable end 12 is connected to the inside of the adjustable nut connecting part 13 by an external thread. The adjustable nut fixed end 11 is fitted onto the lower fastening claw of the low beam lamp 2 inside the positioning pin structure 3, and finally the adjustable nut 1 is fastened onto the lower fastening claw of the low beam lamp 2.

[0038] like Figure 6 As shown, the gap adjustment block 4 includes an adjustment block body, a gap adjustment block positioning end 41, a gap adjustment block reference end 42, and a gap adjustment block handle 43. The gap adjustment block handle 43 is fixed to the back of the adjustment block body, the bottom front end of the adjustment block body extends forward to form the gap adjustment block reference end 42, and the gap adjustment block positioning end 41 is fixed above the front end of the adjustment block body.

[0039] The positioning pin structure 3 is an integral part of the low beam lamp 2, including a crushing structure 31, a cross positioning pin head 32, and a positioning pin cross rib 33. The fastening claw on the lower side of the low beam lamp 2 extends to the left to form the positioning pin cross rib 33, and the positioning pin cross rib 33 is provided with a cross positioning pin head 32 and a crushing structure 31 on the left side.

[0040] The crushing structure 31 is located at the bend of the locating pin cross rib 33.

[0041] The crushing structure 31 is an oblique crushing rib.

[0042] The gap adjustment block 4 is designed with three thicknesses: 2.0mm, 2.5mm, and 3.0mm. Felt is attached to the surface of the gap adjustment block positioning end 41 and gap adjustment block reference end 42 at the contact positions with the front bumper and lamp cover to prevent scratching the parts.

[0043] like Figure 7-8 As shown, a method for adjusting the position of a low beam headlight using the aforementioned position-adjustable low beam headlight mechanism includes the following:

[0044] Step 1: When assembling the low beam headlight with the front frame, first contact the crushing structure 31 of the positioning pin structure 3 with the front frame to play a pre-positioning role. Then, fit the cross positioning pin head 32 of the positioning pin structure 3 into the pre-set low beam headlight positioning hole 5 on the front frame. Use an electric gun to pass the screw through the internal thread through hole that connects the adjustable nut fixing end 11 and the adjustable nut connecting part 13, so that the adjustable nut 1 is initially pre-tightened on the lower fastening claw of the low beam headlight 2 (do not tighten it all the way, it is recommended to pre-tighten it about 5 turns).

[0045] Step 2: Insert the gap adjustment block 4 at the X-direction gap matching point between the low beam headlight 2 and the front bumper (between the low beam headlight cover and the front bumper contour surface);

[0046] Step 2: At the C50 station, which is the chassis line front bumper installation station and the wheel cover installation station, rotate the movable end 12 of the adjustable nut to adjust the position of the movable end 12 of the adjustable nut relative to the adjustable nut connection part 13, so that the positioning end 41 of the gap adjustment block contacts the mask of the low beam headlight 2, and the reference end 42 of the gap adjustment block contacts the contour surface of the front bumper.

[0047] Step 3: Using an electric gun, the screw that has passed through the internal thread through hole of the adjustable nut fixed end 11 and the adjustable nut connecting part 13 is passed through the internal thread through hole of the adjustable mechanism movable end 12 from back to front, so that the adjustable nut 1 is simultaneously pre-tightened on the corresponding position of the front frame and the lower fastening claw of the low beam lamp 2.

[0048] Step 4: After tightening, pull out the gap adjustment block 4.

[0049] At this point, using a plastic wedge ruler to check the gap between the low beam headlight 2 and the front bumper in the X direction is qualified, ensuring that the gap before and after tightening meets the vehicle's tolerance requirements.

[0050] Example 2

[0051] The adjustable low beam headlight structure consists of an adjustable nut 1 and a positioning pin structure 3. The adjustable nut 1 is further divided into an adjustable nut fixed end 11, an adjustable nut movable end 12, and an adjustable nut connecting part 13. The adjustable nut fixed end 11 remains in the same position and its function is to connect the front frame and the low beam headlight 2, which is then tightened with screws. The adjustable nut movable end 12 is used to change the position of the low beam headlight by changing the position of the movable end after tightening, thereby changing its distance from the fixed end. The adjustable nut connecting part 13 connects the fixed end and the movable end to form a whole.

[0052] The positioning pin structure 3 consists of a crushing structure 31, a cross-shaped positioning pin head 32, and a positioning pin cross rib 33. When the low beam head 2 is pre-installed into the hole in the front frame, the crushing structure 31 first makes contact to provide pre-positioning. After tightening, the crushing structure 31 deforms, without restricting the adjustment effect of the adjustable nut 1. The cross-shaped positioning pin head 32 controls the non-positioning direction, while the positioning pin cross rib 33 controls the positioning direction. Together with the positioning pin cross rib 33 and the cross-shaped positioning pin head 32, they form the main structure of the positioning pin structure 3.

[0053] The technical solution of this invention is implemented as follows:

[0054] 1. Design an adjustable low beam headlight structure;

[0055] 2. A crushing structure 31 is designed on the locating pin structure 3;

[0056] 3. Design the diameter of the low beam headlight positioning hole 5 in the front frame; the low beam headlight positioning hole 5 in the front frame is located on both sides of the front frame and is a positioning hole that matches the cross positioning pin head 32. That is to say, the cross positioning pin head 32 needs to be inserted into the low beam headlight positioning hole 5 in the front frame to complete the positioning.

[0057] 4. Design the gap adjustment block 4 between the low beam headlight 2 and the front bumper and its usage method; the plug has a fixed thickness. Insert the plug before tightening. When tightening, change the distance between the movable end 12 of the adjustable nut and the fixed end 11 of the adjustable nut to ensure that the plug fits the low beam headlight cover and the front bumper contour surface. After tightening, remove the plug. The remaining gap is the gap value that meets the requirements.

[0058] 5. Plan the low beam headlight installation and adjustment process.

[0059] The crushing structure 31 is an oblique positioning rib with a thickness of 6mm. This thickness was determined through manual repair experiments. It can ensure Y-axis positioning and deformation without breakage under stress. The front frame is designed with corresponding front frame low beam positioning holes 5. Through the gap adjustment block 4, it is ensured that the gap meets the DTS standard after each installation and adjustment.

[0060] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the scope of protection of the present invention is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present invention, any person skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of the present invention within the scope of the technology disclosed in the present invention. These simple modifications are all within the scope of protection of the present invention.

[0061] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not describe the various possible combinations separately.

[0062] Furthermore, various different embodiments of the present invention can be combined in any way, as long as they do not violate the spirit of the present invention, they should also be regarded as the content disclosed by the present invention.

Claims

1. A method for adjusting the position of a low beam headlight using a position-adjustable low beam headlight mechanism, characterized in that, The position-adjustable low beam headlight mechanism includes a low beam headlight (2), wherein a positioning pin structure (3) is provided on the fastening claw on the lower side of the low beam headlight (2), characterized in that it further includes an adjustable nut (1) and a gap adjustment block (4); wherein the positioning pin structure (3) is provided with an obliquely arranged crushing structure (31). The adjustable nut (1) includes an adjustable nut fixed end (11), an adjustable nut movable end (12), and an adjustable nut connecting part (13). The adjustable nut fixed end (11) and the adjustable nut movable end (12) are respectively located at both ends of the adjustable nut connecting part (13). The adjustable nut fixed end (11) is fixed at one end of the adjustable nut connecting part (13), and the adjustable nut movable end (12) is connected to the inside of the adjustable nut connecting part (13) by external thread. The adjustable nut fixed end (11), the adjustable nut movable end (12), and the adjustable nut connecting part (13) are respectively provided with interconnected internal thread through holes. The adjustable nut fixed end (11) is fitted onto the lower fastening claw of the low beam lamp (2) inside the positioning pin structure (3), and finally the adjustable nut (1) is fastened onto the lower fastening claw of the low beam lamp (2). The gap adjustment block (4) includes an adjustment block body, a gap adjustment block positioning end (41), a gap adjustment block reference end (42), and a gap adjustment block handle (43). The gap adjustment block handle (43) is fixed on the back of the adjustment block body, the bottom front end of the adjustment block body extends forward to form the gap adjustment block reference end (42), and the gap adjustment block positioning end (41) is fixed above the front end of the adjustment block body. The method for adjusting the position of the low beam headlight using a position-adjustable low beam headlight mechanism includes the following: Step 1: When assembling the low beam headlight and the front frame of the interior trim line, first contact the crushing structure (31) of the positioning pin structure (3) with the front frame to play a pre-positioning role. Then, fit the cross positioning pin head (32) of the positioning pin structure (3) into the pre-set low beam head positioning hole (5) of the front frame on the front frame. Use an electric gun to pass the screw through the internal thread through hole that is connected to the adjustable nut fixing end (11) and the adjustable nut connecting part (13), so that the adjustable nut (1) is initially pre-tightened on the lower fastening claw of the low beam headlight (2). Step 2: Insert the gap adjustment block (4) into the gap matching position between the low beam headlight (2) and the front bumper in the X direction; Step 2: At station C (50), which is after the chassis line front bumper installation station and before the wheel cover installation station, rotate the movable end (12) of the adjustable nut to adjust the position of the movable end (12) of the adjustable nut relative to the adjustable nut connection part (13), so that the positioning end (41) of the gap adjustment block contacts the mask of the low beam headlight (2) and the reference end (42) of the gap adjustment block contacts the contour surface of the front bumper. Step 3: Using an electric gun, the screw that passes through the internal thread through hole of the adjustable nut fixed end (11) and the adjustable nut connecting part (13) is passed from back to front and then through the internal thread through hole of the adjustable mechanism movable end (12), so that the adjustable nut (1) is simultaneously pre-tightened on the corresponding position of the front frame and the lower fastening claw of the low beam lamp (2). Step 4: After tightening, pull out the gap adjustment block (4).

2. The method for adjusting the position of a low beam headlight using a position-adjustable low beam headlight mechanism according to claim 1, characterized in that, The positioning pin structure (3) is an integral part of the low beam lamp (2), including the crushing structure (31), the cross positioning pin head (32), and the positioning pin cross rib (33). The fastening claw on the lower side of the low beam lamp (2) extends to the left to form the positioning pin cross rib (33). The positioning pin cross rib (33) is provided with the cross positioning pin head (32) and the crushing structure (31) on the left side.

3. A method for adjusting the position of a low beam headlight using a position-adjustable low beam headlight mechanism according to claim 2, characterized in that, The crushing structure (31) is located at the bend of the locating pin cross rib (33).

4. A method for adjusting the position of a low beam headlight using a position-adjustable low beam headlight mechanism according to claim 2, characterized in that, The crushing structure (31) is an oblique crushing reinforcement.

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