Tolerance absorber

Abstract

The invention provides a tolerance absorber used for fastening a first workpiece and a second workpiece, the first workpiece comprises a non-self-locking sliding rail, the second workpiece comprises a nut, the tolerance absorber comprises a first shell and a second shell, the first shell is connected with the second shell in an inserted mode, and the second shell is connected with the first shell in an inserted mode. The multiple first connecting pieces and the multiple second connecting pieces form an integral circle, and the first sliding groove part and the second sliding groove part are connected to form a combined sliding groove used for being connected with a sliding rail. The tolerance absorber can be automatically adjusted to make up a gap between workpieces, and an operator does not need to manually adjust the position.

Description

Technical Field

[0001] The present invention relates to the field of automobile devices, in particular to a tolerance absorber for a handle device used in a hidden vehicle door. Background Art

[0002] With the development of science and technology, automotive products are changing rapidly, placing higher demands on them. Automotive parts are a key area for my country's automotive industry to participate in globalization. In response to the rapid development of electronic technology and its widespread application in the automotive industry, the degree of electronicization in vehicles is increasing, and with it, the demand for vehicle safety is also increasing. Currently, automotive door handles mainly include non-retractable door handles and concealed door handles. Concealed door handles remain flush with the door in normal operation, reducing eddy currents. When the door is unlocked, the door handle automatically extends to allow the occupant to open the door. As the vehicle begins to move, the handle automatically retracts into the door, reducing wind resistance, fuel consumption, and contributing to energy conservation and emission reduction.

[0003] Aesthetically pleasing appearance requires a uniform gap and flushness between the handle and the outer door panel surrounding it. This necessitates a handle assembly that can be adjusted to suit the exterior appearance during installation. In the prior art, the handle base is typically bolted directly to the mounting holes of the outer door panel reinforcement plate. Adjustment of the gap between the handle and the outer door panel surrounding the handle is achieved through the handle mounting holes. However, this bolted connection introduces relatively large assembly errors and lacks the ability to adjust flushness, making it difficult to ensure a uniform flushness between the handle and the outer door panel. Furthermore, the handle mounting holes offer limited adjustment, making it difficult to achieve a uniform gap between the handle and the outer door panel even under extreme conditions.

[0004] Therefore, in order to make up for the current technological shortcomings, it is of great significance to develop a tolerance absorber with good performance to ensure uniform gaps between the handle and the door outer panel. Summary of the Invention

[0005] In view of the above-mentioned defects, an object of the present invention is to provide a tolerance absorber for a handle device for a hidden vehicle door installed on a car door, which has good stability and solves the technical problems of the prior art.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] The lockhole that is formed on the upper surface of the second end of the lifting link is formed on the upper surface of the lifting link, and the lockhole that is formed on the upper surface of the lifting link is formed on the upper surface of the lifting link.

[0008] According to the tolerance absorber described in the preferred embodiment of the present application, the tolerance absorber also includes a screw, which includes a screw portion, a flange portion and a force-applying portion. The screw is used to lock the nut to press the upper surface of the first bottom ring and the lower surface of the second bottom ring against each other, while locking the first workpiece and the second workpiece.

[0009] According to the tolerance absorber described in the preferred embodiment of the present application, the tolerance absorber also includes a washer, which includes a flat washer portion with a through hole in the middle and an axial ring portion. The axial ring portion protrudes axially from the flat washer portion, and the outer diameter of the flat washer portion is larger than the inner diameter of the second bottom ring. The washer is arranged between the screw and the second bottom ring, and the washer is used to bear the pressure of the screw and then press the second bottom ring toward the first bottom ring.

[0010] According to the tolerance absorber described in the preferred embodiment of the present application, the tolerance absorber also includes a retaining ring, which includes a hollow annular body and multiple retaining arms, one end of the multiple retaining arms is connected to the inner surface of the annular body, and the diameter of the through hole formed by the arc extension of the other end of the multiple retaining arms is smaller than the diameter of the flange part, and the retaining ring is used to limit the screw; the first shell is evenly distributed with multiple first connecting pieces to open a card, the card includes a piece and a buckle, and the card is used to limit the retaining ring.

[0011] According to the tolerance absorber described in the preferred embodiment of the present application, when the upper surface of the first bottom ring and the lower surface of the second bottom ring are in close contact, the first slide groove portion and the second slide groove portion are offset to clamp the slide rail.

[0012] The technical solution of the present application improves the door handle device of the existing automobile and designs a tolerance absorber for a hidden vehicle door handle device. The tolerance absorber of the present application can be automatically adjusted to make up for the gap between the workpieces. The operator does not need to manually adjust the position and can withstand a higher tightening torque. The tightening torque of the M6 ​​standard screw can be greater than 7Nm. After tightening, the single piece can be tightly tightened without loosening.

[0013] Due to the adoption of the above technical features, the present invention has the following advantages and positive effects compared with the prior art:

[0014] First, the tolerance absorber of the present application can automatically adjust to fill the gap between workpieces, and the operator does not need to manually adjust the position;

[0015] Second, this application can withstand higher tightening torques, and the tightening torque of M6 standard screws can be greater than 7Nm;

[0016] Third, the tolerance absorber of the present application can complete tightening in one go. After tightening, the single piece can tightly tighten the workpiece without any looseness.

[0017] Of course, any specific embodiment of the present invention does not necessarily have all of the above technical effects at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the tolerance absorber, the first workpiece and the second workpiece of the present application;

[0019] Figure 2 This is a schematic cross-sectional view of the first workpiece of this application;

[0020] Figure 3 Explosion diagram of the tolerance absorber for this application;

[0021] Figure 4 This is a schematic diagram of the first shell of this application;

[0022] Figure 5 This is a schematic diagram of the second shell of this application;

[0023] Figure 6 This is a schematic diagram of the connection between the first shell and the second shell of this application;

[0024] Figure 7 This is a schematic diagram of the clamping misalignment between the first shell and the second shell of the present application;

[0025] Figure 8 Schematic diagram of screws and washers for this application;

[0026] Figure 9 Schematic diagram of screws and retaining rings for this application;

[0027] Figure 10 This is a schematic cross-sectional view of the tolerance absorber housing of this application;

[0028] Figure 11 This is a cross-sectional diagram of the screw and nut in contact with each other in this application;

[0029] Figure 12 This is a cross-sectional diagram of the screw and nut being tightened in this application;

[0030] Figure 13 This is a schematic diagram of the housing when the screws and nuts are tightened in this application. DETAILED DESCRIPTION

[0031] Several preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention is not limited to these embodiments. The present invention encompasses any alternatives, modifications, equivalent methods, and solutions that are not inconsistent with the spirit and scope of the present invention. To provide a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art will be able to fully understand the present invention without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of the present invention, well-known methods, processes, procedures, components, and the like are not described in detail.

[0032] Please refer to Figure 1 Schematic diagram of the tolerance absorber, the first workpiece, and the second workpiece of the present application. When there is a gap between the first workpiece 60 and the second workpiece 70, and the gap will float, and the two workpieces need to be fastened and fixed, the tolerance absorber of the present application can complete the fastening of the two workpieces; the tolerance absorber is installed on the first workpiece 60, and a nut is welded on the second workpiece 70 for fastening; the tolerance absorber of the present application can be automatically adjusted to complete the fastening in one go, thereby filling the gap between the first workpiece 60 and the second workpiece 70, and the operator does not need to manually adjust the position. ; and it can withstand higher tightening torques. The tightening torque of the M6 ​​standard screw can be greater than 7Nm (the tightening torque of the M6 ​​wire screw sleeve is 5Nm). After tightening, the single piece can tightly tighten the first workpiece 60 without loosening. The tolerance absorber described in this application is a tolerance adjuster, that is, the gap between the two connected workpieces is adjusted and eliminated. The elimination method is to use the slide groove of the tolerance absorber to dislocate and then clamp the slide rail of the first workpiece 60. The tolerance absorber locks the second workpiece 70 so that there is no loose gap between the two connected workpieces.

[0033] Please also refer to Figure 1 and Figure 2The tolerance absorber of the present application is used to fasten a first workpiece 60 and a second workpiece 70 , for example, the first workpiece 60 is a door handle and the second workpiece 70 is a door, so as to connect the door handle to the door without any gap; Figure 2 In the embodiment, the first workpiece 60 includes a non-self-locking slide rail 61, and the slide rail 61 is located on the inner wall of the locking through hole of the first workpiece 60; in addition, Figure 1 In the embodiment, the second workpiece 70 includes a nut 71, and the nut 71 is fixed to the second workpiece 70, and the fixing method can be welding, stamping or fastener locking.

[0034] Please also refer to Figure 3 、 Figure 4 and Figure 5 , the tolerance absorber of the present application is shown in exploded view, first shell schematic view and second shell schematic view; the tolerance absorber includes a first shell 10 and a second shell 20, Figure 4 In the embodiment of the present application, the first shell 10 includes a first bottom ring 11 made of one piece and a plurality of evenly distributed first connecting pieces 12. In the embodiment of the present application, the number of the plurality of first connecting pieces 12 is three, but this cannot be used to limit the present application; the first bottom ring 11 is a hollow annular body, and the ends of the plurality of first connecting pieces 12 are connected to the radial outer edge of the first bottom ring 11. In the embodiment of the present application, the bottom surfaces of the ends of the plurality of first connecting pieces 12 and the bottom surface of the first bottom ring 11 are on the same horizontal plane, but this cannot be used to limit the present application. Only those that can be stably connected should be within the scope of protection of the present application; in addition, the outer surfaces of the plurality of first connecting pieces 12 include a first flat surface portion 121 and a first sliding groove portion 122. The first flat surface portion 121 is a flat surface from top to bottom plus a radially protruding annular support strip at the bottom. The first sliding groove portion 122 is a sliding groove from top to bottom plus a radially protruding annular support strip at the bottom. The annular support strip forms the bottom surface support of the first shell 10; in the embodiment of the present application, Figure 4 In the example, the first plane portion 121 of the first connecting piece 12 is on the right side, and the first sliding groove portion 122 is on the left side, but this is not intended to limit the present application. Figure 5In the embodiment, the second shell 20 includes a top ring 21 made of one piece, a plurality of evenly distributed second connecting pieces 22 and a second bottom ring 23. In the embodiment of the present application, the number of the plurality of second connecting pieces 22 is three, but it cannot be used to limit the present application. The number of the second connecting pieces 22 needs to match the number of the first connecting pieces 12; the top ring 21 is a hollow annular body, and the ends of the plurality of second connecting pieces 22 are connected to the outer edge of the bottom surface of the top ring 21. The outer surface of the plurality of second connecting pieces 22 includes a second plane portion 221 and a second slide groove portion 222. The second plane portion 221 is a plane from top to bottom plus a radially protruding annular support strip at the bottom. The second slide groove portion 222 is a slide groove from top to bottom plus a radially protruding annular support strip at the bottom. The annular support strip forms the bottom surface support of the second shell 20. In the embodiment of the present application, Figure 5 On the same second connecting piece 22, the second plane portion 221 is on the left, and the second slide portion 222 is on the right, but this cannot be used to limit the present application, as long as the first slide portion 122 can be continuously connected to the second slide portion 222 after assembly; the second bottom ring 23 is a hollow annular body, and the second bottom ring 23 is arranged on the inner surface of the plurality of second connecting pieces 22 and is at a set height. The set height is that when tightened, the upper surface of the first bottom ring 11 and the lower surface of the second bottom ring 23 can fit together, such as Figure 12 and Figure 13 shown.

[0035] Please refer to Figure 6 and Figure 11 Schematic diagram of the connection between the first shell and the second shell of the present application, the first shell 10 is inserted into the second shell 20, and the connection method is: the multiple first connecting pieces 12 and the multiple second connecting pieces 22 are respectively inserted into the gaps between the connecting pieces of each other, the multiple first connecting pieces 12 and the multiple second connecting pieces 22 are connected to form an overall circle, similarly, the multiple annular support bars form an overall circle, and the first slide groove portion 122 and the second slide groove portion 222 are connected to form a combined slide groove for connecting the slide rail 61; Figure 6 and Figure 11In the embodiment, the first workpiece 60 and the second workpiece 70 are not completely tightened. At this time, there is a gap between the first shell 10 and the second shell 20 of the tolerance absorber, for example, there is a gap between the upper surface of the first bottom ring 11 and the lower surface of the second bottom ring 23. The first slide groove portion 122 and the second slide groove portion 222 are connected to form a continuous combined slide groove. When the tolerance absorber is pushed axially, the tolerance absorber can be axially spirally moved in the first workpiece 60 through the cooperation of the combined slide groove and the slide rail 61 until the bottom surface of the first bottom ring 11 of the tolerance absorber and the bottom surfaces of the multiple annular support bars contact the second workpiece 70. At this time, the gap between the first workpiece 60 and the second workpiece 70 is filled by the tolerance absorber, and the first workpiece 60 and the second workpiece 70 will not loosen.

[0036] like Figure 3 As shown, the tolerance absorber also includes a screw 50, which includes a screw portion 51, a flange portion 52 and a force-applying portion 53 made of an integral mold. The screw portion 51, the flange portion 52 and the force-applying portion 53 are connected in sequence. In the embodiment of the present application, the force-applying portion 53 is an outer hexagon, but it cannot be used to limit the present application. As long as the shape can be firmly applied and locked, more or fewer sides or an inner angle polygon should be within the scope of protection of the present application; the screw 50 is used to lock the nut 71 to press the upper surface of the first bottom ring 11 and the lower surface of the second bottom ring 23 against each other, and at the same time lock the first workpiece 60 and the second workpiece 70. Please refer to Figure 7 After the screw 50 and the nut 71 are tightened, the gap between the first shell 10 and the second shell 20 will be eliminated, for example, the upper surface of the first bottom ring 11 and the lower surface of the second bottom ring 23; the second shell 20 is pressed downward by the screw 50, and the continuous sliding grooves on the outside of the first shell 10 and the second shell 20 will be pressed and dislocated, forming dislocated sliding grooves, such as Figure 7 the misaligned slide groove on the tolerance absorber will tighten the slide rail 61 on the first workpiece 60, thereby fastening the first workpiece 60.

[0037] Please also refer to Figure 3 、 Figure 8 and Figure 11The tolerance absorber also includes a washer 30, which includes a flat washer portion 31 with a through hole in the middle and an axial ring portion 32. The axial ring portion 32 protrudes axially from the flat washer portion 31, and the outer diameter of the flat washer portion 31 is larger than the inner diameter of the second bottom ring 23. The washer 30 is arranged between the screw 50 and the second bottom ring 23. The washer 30 is used to bear the pressure of the screw 50 and then press the second bottom ring 23 to move toward the first bottom ring 11; in design, if the diameter of the flange portion 52 of the screw 50 is large enough to directly contact the second bottom ring 23, the washer 30 may not be needed. If the washer 30 exists, it can withstand a higher tightening torque, and the tightening torque of the M6 ​​standard screw can be greater than 7Nm.

[0038] Please refer to Figure 7 、 Figure 9 and Figure 10 The tolerance absorber also includes a retaining ring 40, which includes a hollow annular body 41 and a plurality of retaining arms 42, one end of the plurality of retaining arms 42 is connected to the inner surface of the annular body 41, and the diameter of the through hole formed at the arc-shaped extended end of the other end of the plurality of retaining arms 42 is smaller than the diameter of the flange portion 52, and the retaining ring 40 is used to limit the screw 50, and the limiting method is: the diameter of the through hole formed at the end of the plurality of retaining arms 42 is smaller than the diameter of the flange portion 52, and when the force-applying portion 53 is located in the through hole of the plurality of retaining arms 42, the screw 50 cannot protrude upward from the limit of the retaining ring 40; the first shell 10 has a plurality of evenly distributed first connecting pieces 12 opening a card 13, and the card 13 includes The card 13 includes a sheet 131 and a buckle 132, and the card 13 is used to limit the retaining ring 40. When the retaining ring 40 moves downward and encounters the card 13, the retaining ring 40 radially pushes the buckle 132 of the card 13. Since the sheet 131 of the card 13 is only connected to the first connecting piece 12 at the bottom, it has a restoring elastic force. When pushed radially by the retaining ring 40, it protrudes outward and resets when the thrust disappears. After the reset, the buckle 132 of the card 13 limits the ability of the retaining ring 40 to move upward. Therefore, the retaining ring 40 is limited by the buckle 132 of the card 13, thereby limiting the tendency of the screw 50 and the washer 30 to detach axially upward, thereby ensuring the integrity of the tolerance absorber.

[0039] Please refer to Figure 6, the first shell 10 is inserted into the second shell 20 and is not completely tightened. At this time, the friction force of a whole circle formed by multiple annular support bars allows the first shell 10 and the second shell 20 to be connected together to form a continuous combined slide groove, and when the tolerance absorber is pushed axially, the tolerance absorber can move axially in a spiral manner in the first workpiece 60 through the cooperation of the combined slide groove and the slide rail 61, and move downward smoothly; and when being tightened, the upper surface of the first bottom ring 11 and the lower surface of the second bottom ring 23 are close to each other, and at this time, the second shell 20 moves toward the first shell 10, destroying the continuous combined slide groove, and the first slide groove part 122 and the second slide groove part 222 are misaligned to clamp the slide rail 61.

[0040] It should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0041] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0042] At the same time, it should be understood that for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0043] In summary, due to the adoption of the above technical features, the present invention has the following advantages and positive effects compared with the prior art:

[0044] First, the tolerance absorber of the present application can automatically adjust to fill the gap between workpieces, and the operator does not need to manually adjust the position;

[0045] Second, this application can withstand higher tightening torques, and the tightening torque of M6 standard screws can be greater than 7Nm;

[0046] Third, the tolerance absorber of the present application can complete tightening in one go. After tightening, the single piece can tightly tighten the workpiece without any looseness.

[0047] The preferred embodiments of the invention are only used to help illustrate the invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made based on the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the invention, so that those skilled in the art can make good use of the invention. The present invention is only limited by the claims and their full scope and equivalents. The above disclosure is only the preferred embodiment of the present invention, but it is not intended to limit itself. Any equivalent changes and modifications made by any person skilled in the art without violating the spirit and connotation of the invention should fall within the scope of protection of the present invention.

Claims

1. A tolerance absorber for fastening a first workpiece and a second workpiece, wherein the first workpiece comprises a non-self-locking slide rail and the second workpiece comprises a nut, characterized in that: The tolerance absorber includes a first shell and a second shell, wherein: The first housing includes a first bottom ring and a plurality of evenly distributed first connecting pieces, the ends of the plurality of first connecting pieces being connected to the radial outer edge of the first bottom ring, and the outer surfaces of the plurality of first connecting pieces including a first flat portion and a first sliding groove portion; The second shell includes a top ring, a plurality of evenly distributed second connecting pieces, and a second bottom ring, wherein the ends of the plurality of second connecting pieces are connected to the outer edge of the bottom surface of the top ring, and the outer surfaces of the plurality of second connecting pieces include a second flat portion and a second sliding groove portion; the second bottom ring is arranged on the inner surfaces of the plurality of second connecting pieces; The first shell is inserted into and connected to the second shell, the multiple first connecting pieces and the multiple second connecting pieces form an integral circle, and the first slide groove portion and the second slide groove portion are connected to form a combined slide groove for connecting the slide rail.

2. The tolerance absorber according to claim 1, wherein: The tolerance absorber also includes a screw, which includes a screw portion, a flange portion and a force-applying portion. The screw is used to lock the nut to press the upper surface of the first bottom ring and the lower surface of the second bottom ring against each other, while locking the first workpiece and the second workpiece.

3. The tolerance absorber according to claim 2, wherein: The tolerance absorber also includes a washer, which includes a flat washer portion with a through hole in the middle and an axial ring portion. The axial ring portion protrudes axially from the flat washer portion. The outer diameter of the flat washer portion is larger than the inner diameter of the second bottom ring. The washer is arranged between the screw and the second bottom ring. The washer is used to bear the pressure of the screw and then press the second bottom ring to move toward the first bottom ring.

4. The tolerance absorber according to claim 3, wherein: The tolerance absorber also includes a retaining ring, which includes a hollow annular body and multiple retaining arms, one end of the multiple retaining arms is connected to the inner surface of the annular body, and the diameter of the through hole formed by the arc extension of the other end of the multiple retaining arms is smaller than the diameter of the flange part, and the retaining ring is used to limit the screw; the first shell is evenly distributed with multiple first connecting pieces to open a card, the card includes a piece and a buckle, and the card is used to limit the retaining ring.

5. The tolerance absorber according to claim 4, wherein: When the upper surface of the first bottom ring and the lower surface of the second bottom ring are in close contact, the first sliding groove portion and the second sliding groove portion are offset to clamp the slide rail.

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