Trunk lid hinge and vehicle equipped with same
By increasing the lever arm of the torsion bar through the guide plate, the hinge linkage transmits a larger torque, solving the problems of traditional trunk lid hinges requiring external power and high cost, achieving full opening without an external power source, and reducing manufacturing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HYUNDAI MOTOR CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-05-01
AI Technical Summary
Traditional trunk lid hinges require external power to open, and increasing the torque of the torsion bar can easily lead to increased costs or torsion bar breakage.
By designing a guide plate, the lever arm of the torsion bar is increased during the second half of the hinge arm's opening. This allows the hinge linkage to transmit a larger torque, enabling the torsion bar to provide a greater torque under the same deformation, thus achieving full opening without an external power source.
This allows for full opening of the trunk lid without increasing the durability and cost of the torsion bar, thus improving the user experience.
Smart Images
Figure CN224187382U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicles, and more particularly to a vehicle equipped with a trunk lid hinge. Background Technology
[0002] A traditional trunk lid hinge typically includes: a hinge bracket fixed to the vehicle body, a hinge arm, a torsion bar, and a hinge link. The hinge arm and torsion bar are hinged to the hinge bracket, and the two ends of the hinge link are hinged to the hinge arm and the torsion bar, respectively. This trunk lid hinge uses the hinge link to transfer the torque provided by the torsion bar to the hinge arm, allowing the trunk lid to open fully.
[0003] If the torque provided by the torsion bar is too small, the user will need to manually lift the trunk lid in the latter half of its opening, which will result in a poor user experience.
[0004] To increase the torque provided by a torsion bar, it is usually necessary to increase the deformation of the torsion bar, which can easily lead to breakage. To prevent breakage, a more durable torsion bar is needed, which results in higher manufacturing costs.
[0005] Therefore, there is a need for further improvement of the existing trunk lid hinges.
[0006] The information disclosed in the background section of this utility model is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that such information constitutes prior art known to those skilled in the art. Utility Model Content
[0007] The purpose of this invention is to provide a trunk lid hinge and a vehicle equipped with the trunk lid hinge, which enables the trunk lid to be fully opened without the need for an external power source. Because the torsion bar provides a larger torque under the same deformation, it eliminates the need to select a more durable torsion bar while increasing its torque, thus reducing manufacturing costs.
[0008] According to a first aspect of the present invention, a luggage lid hinge is provided, comprising: a hinge bracket; a hinge arm, one end of which is hinged to a first position of the hinge bracket and has a strip groove extending along its length at a position near the one end; a torsion bar, one end of which is hinged to a second position of the hinge bracket; a guide plate disposed on one side of the hinge bracket, the lower edge of the guide plate comprising a first arc portion, a connecting portion and a second arc portion connected in sequence, the center of the first arc portion being located at the first position, and the radius of the first arc portion being less than the distance from the first position to the second arc portion or the minimum distance from the first position to the second arc portion; and a hinge link, the first end of which is hinged to the strip groove of the hinge arm, the second end of which is hinged to the other end of the torsion bar, the hinge link being capable of transmitting the torque of the torsion bar to the hinge arm.
[0009] Preferably, the trunk lid hinge further comprises: a first bolt passing through a first end of the hinge link and a slot in the hinge arm; and a sleeve mounted on the first bolt and located on one side of the hinge arm, the sleeve abutting against the lower edge of the guide plate.
[0010] Preferably, the center of the first arc portion and the center of the second arc portion are both located at the first position, the radius of the first arc portion is smaller than the radius of the second arc portion, the connecting portion has a predetermined length, the first end of the connecting portion is connected to the first arc portion, and the second end of the connecting portion is connected to the second arc portion; wherein, when the sleeve slides along the first arc portion, the first bolt is located at the first end of the strip groove; when the sleeve slides along the connecting portion from the first end of the connecting portion to the second end of the connecting portion, the first bolt slides from the first end of the strip groove to the second end of the strip groove; when the sleeve slides along the second arc portion, the first bolt is always located at the second end of the strip groove.
[0011] Preferably, the center of the second arc portion is located at a predetermined position on the guide plate, the radius of the first arc portion is smaller than the minimum distance from the first position to the second arc portion, the first end of the connecting portion is connected to the first arc portion, the second end of the connecting portion is connected to the first end of the second arc portion, and the second end of the second arc portion is the end away from the connecting portion; wherein, when the sleeve slides along the first arc portion, the first bolt is located at the first end of the strip groove; when the sleeve slides along the connecting portion from the first end of the connecting portion to the second end of the connecting portion, the first bolt slides from the first end of the strip groove to the second end of the strip groove near the strip groove. The first stop position; when the sleeve slides along the second arc portion from the first end to the second end of the second arc portion, the first bolt first slides from the first stop position of the strip groove to the second end of the strip groove, and then slides from the second end of the strip groove to the second stop position of the strip groove; when the distance from the sleeve to the first position is the largest, the first bolt is located at the second end of the strip groove; the greater the distance from the first end of the second arc portion to the first position, the smaller the distance from the first stop position to the second end of the strip groove; the greater the distance from the second end of the second arc portion to the first position, the smaller the distance from the second stop position to the second end of the strip groove.
[0012] Preferably, when the sleeve slides to the end of the first arc portion that is connected to the connecting portion, the angle between the hinge link and the hinge arm is greater than or equal to 90 degrees.
[0013] Preferably, the luggage compartment lid hinge further includes: a first nut, which is mounted on the first bolt and located between the hinge link and the sleeve, to prevent the first bolt from disengaging from the hinge link; and a second nut, which is mounted on the first bolt, with the sleeve located between the first nut and the second nut, to prevent the sleeve from disengaging from the first bolt.
[0014] Preferably, the luggage compartment lid hinge further includes: a first bushing fitted onto the first bolt, and includes: a first bushing body located between the hinge link and the hinge arm to reduce friction between the hinge link and the hinge arm; and a first bushing extension located between the inner surface of the groove of the hinge arm and the outer surface of the first bolt to reduce friction between the hinge arm and the first bolt.
[0015] Preferably, one end of the hinge arm has a first mounting hole, and the first position has a second mounting hole; the luggage compartment lid hinge further includes: a pin, through which the hinge arm is mounted to the second mounting hole of the hinge bracket, the hinge arm being rotatable around the pin; a second bushing, which is fitted onto the pin, and includes: a second bushing body, which is located between the hinge arm and the hinge bracket to reduce the friction between the hinge arm and the hinge bracket; and a second bushing extension, which is located between the inner surface of the first mounting hole of the hinge arm and the outer surface of the pin to reduce the friction between the hinge arm and the pin.
[0016] Preferably, the hinge bracket has a third mounting hole; the guide plate is mounted at the third mounting hole by a second bolt and a third nut.
[0017] Preferably, the luggage compartment lid hinge further includes a buffer mounted to the rear side of the hinge arm.
[0018] Preferably, the hinge link includes a third bushing and two symmetrical link basic members; the first ends of the two link basic members are spaced apart to clamp the hinge arm, the second ends of the two link basic members are connected together, the third bushing is fitted over the second ends of the two link basic members, and the other end of the torsion bar is hinged to the third bushing.
[0019] According to a second aspect of the present invention, a vehicle is provided equipped with a trunk lid hinge as described in the first aspect.
[0020] This utility model's luggage lid hinge utilizes a guide plate to increase the lever arm of the torque applied by the torsion bar to the hinge arm during the latter half of the hinge arm's opening. This allows the torsion bar to provide a larger torque under the same deformation, resulting in a torque applied by the torsion bar exceeding the total torque generated by the weight of the luggage lid and the frictional force during rotation during the latter half of the hinge arm's opening. This allows the luggage lid to be fully opened without an external power source. Because the torsion bar provides a larger torque under the same deformation, it eliminates the need to use a more durable torsion bar while increasing its torque, thus reducing manufacturing costs.
[0021] The device of this invention has other features and advantages that will be apparent from or will be set forth in detail in the accompanying drawings and subsequent embodiments incorporated herein, which together serve to explain the particular principles of this invention. Attached Figure Description
[0022] Figure 1 This is a three-dimensional structural diagram of the luggage lid hinge according to an embodiment of the present utility model;
[0023] Figure 2 This is an exploded perspective view of the luggage lid hinge according to an embodiment of the present utility model;
[0024] Figure 3A This is a schematic diagram of the first state of the luggage compartment lid hinge in Example 1;
[0025] Figure 3B for Figure 3A Cross-sectional view at point AA;
[0026] Figure 3C for Figure 3A Cross-sectional view at point BB;
[0027] Figure 3D This is a schematic diagram of the second bushing.
[0028] Figure 4 This is a schematic diagram of the hinge bracket structure;
[0029] Figure 5 This is a schematic diagram of the installation of the guide plate and hinge bracket;
[0030] Figure 6A This is a schematic diagram of the second state of the luggage compartment lid hinge in Example 1;
[0031] Figure 6B for Figure 6A Cross-sectional view at point C;
[0032] Figure 7A This is a schematic diagram of the third state of the luggage compartment lid hinge in Example 1;
[0033] Figure 7B for Figure 7A Cross-sectional view at point DD;
[0034] Figure 8A This is a schematic diagram of the fourth state of the luggage compartment lid hinge in Example 1;
[0035] Figure 8B for Figure 8A Cross-sectional view at EE;
[0036] Figure 9A This is a schematic diagram of the fifth state of the luggage compartment lid hinge in Example 1;
[0037] Figure 9B for Figure 9A Cross-sectional view at the FF point;
[0038] Figure 10 This is a schematic diagram illustrating the change of the lever arm in Example 1;
[0039] Figure 11 for Figure 6AExploded view of the force exerted by the middle hinge link on the hinge arm;
[0040] Figure 12 This is a schematic diagram of the guide plate structure in Example 2;
[0041] Figure 13A This is a schematic diagram of the first state of the first bolt in Example 2;
[0042] Figure 13B This is a schematic diagram of the second state of the first bolt in Example 2;
[0043] Figure 13C This is a schematic diagram of the third state of the first bolt in Example 2;
[0044] Figure 13D This is a schematic diagram of the fourth state of the first bolt in Example 2.
[0045] Explanation of reference numerals in the attached figures:
[0046] 100. Hinge bracket; 101. First position; 102. Second position; 104. Third mounting hole; 105. Second mounting hole; 106. Mounting plate;
[0047] 200, Hinge arm; 201, Strip groove; 202, First end; 203, Second end; 204, First stop position; 205, First mounting hole; 206, Second stop position;
[0048] 300. Torsion bar;
[0049] 400. Guide plate; 401. First arc portion; 402. Connecting portion; 403. Second arc portion; 405. First end; 406. Second end; 407. Farthest point; 408. First end; 409. Second end; 410. Predetermined position;
[0050] 500. Hinge link; 510. Third bushing; 520. Basic link components;
[0051] 611. First bolt; 612. Sleeve; 613. First nut; 614. Second nut; 615. First bushing; 616. Second bushing; 617. Pin; 618. Second bolt; 619. Third nut; 620. Buffer; 621. First bushing body; 622. First bushing extension; 623. Second bushing body; 624. Second bushing extension.
[0052] It should be understood that the accompanying drawings are not necessarily drawn to scale, but rather present simplified representations of various features to illustrate the basic principles of this invention. The specific design features disclosed in this invention (including, for example, specific dimensions, orientations, positions, and shapes) will be determined in part by the specific application and environment in which they will be used.
[0053] Throughout these figures, the same reference numerals denote the same or equivalent parts of the present invention. Detailed Implementation
[0054] The present invention will now be described in detail with reference to various embodiments, examples of which are presented in the accompanying drawings and described below. Although the present invention will be described in conjunction with exemplary embodiments, it should be understood that this specification is not intended to limit the present invention to these exemplary embodiments. Rather, the present invention is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments that may be included within the spirit of the present invention and the scope defined by the appended claims.
[0055] The forward direction refers to the direction towards the front of the vehicle (i.e., the direction of travel), while the backward direction refers to the direction towards the rear of the vehicle (i.e., the direction opposite to the forward direction).
[0056] The following is combined with Figures 1 to 13D The luggage lid hinge of the present utility model embodiment is described.
[0057] like Figures 1 to 3A As shown, the luggage lid hinge of this utility model embodiment includes: a hinge bracket 100, a hinge arm 200, a torsion bar 300, a guide plate 400, and a hinge connecting rod 500.
[0058] The hinge bracket 100 is mounted to the rear vehicle structure. One end of the hinge arm 200 is hinged to a first position 101 of the hinge bracket 100, and has a strip groove 201 extending along its length near one end of the hinge arm 200. One end of the torsion bar 300 is hinged to a second position 102 of the hinge bracket 100.
[0059] A guide plate 400 is disposed on one side of the hinge bracket 100, and the lower edge of the guide plate 400 includes a first arc portion 401, a connecting portion 402, and a second arc portion 403 connected in sequence. The center of the first arc portion 401 is located at the aforementioned first position 101, and the radius of the first arc portion 401 is less than the distance or minimum distance from the first position 101 to the second arc portion 403. The first end of the hinge link 500 is hinged to the slot 201 of the hinge arm 200, and the second end of the hinge link 500 is hinged to the other end of the torsion bar 300. The hinge link 500 can transmit the torque of the torsion bar 300 to the hinge arm 200.
[0060] In this embodiment of the invention, the guide plate 400 guides the torque applied by the torsion bar 300 to the hinge arm 200, increasing the lever arm of the torque applied by the torsion bar 300 during the latter half of the hinge arm 200's opening. This allows the torsion bar 300 to provide a larger torque under the same deformation, resulting in the torque applied by the torsion bar 300 exceeding the total torque generated by the weight of the trunk lid and the frictional force during rotation during the latter half of the hinge arm 200's opening. This allows the trunk lid to be fully opened without an external power source. Because the torsion bar 300 provides a larger torque under the same deformation, it eliminates the need to use a more durable torsion bar while increasing its torque, thus reducing manufacturing costs.
[0061] The external power source here can be the power for the user to manually lift the trunk lid, or it can be other power sources.
[0062] Figure 1 and Figure 2 The trunk lid hinge in this example is the trunk lid hinge on the left side of the vehicle. There is also a trunk lid hinge on the right side of the vehicle. The trunk lid hinges on both sides share a torsion bar assembly, which includes two torsion bars 300, corresponding to the hinge arms 200 on the left and right sides respectively.
[0063] exist Figure 1 In this embodiment, the guide plate 400 is located on the left side of the hinge bracket 100. In other embodiments, the guide plate 400 may also be located on the right side of the hinge bracket 100.
[0064] In an exemplary implementation, such as Figures 3A to 3C As shown, the luggage compartment lid hinge of this embodiment further includes a first bolt 611 and a sleeve 612. The first bolt 611 passes through the first end of the hinge link 500 and the slot 201 of the hinge arm 200 to connect the hinge link 500 and the hinge arm 200 together. The sleeve 612 is mounted on the first bolt 611 and located on one side of the hinge arm 200, and abuts against the lower edge of the guide plate 400.
[0065] In an exemplary implementation, such as Figure 3B and Figure 3C As shown, the luggage compartment lid hinge of this embodiment further includes: a first nut 613 and a second nut 614. The first nut 613 is mounted on the first bolt 611 and located between the hinge link 500 and the sleeve 612. The first nut 613 is used to prevent the first bolt 611 from disengaging from the hinge link 500. The second nut 614 is mounted on the first bolt 611, and the sleeve 612 is located between the first nut 613 and the second nut 614. The second nut 614 is used to prevent the sleeve 612 from disengaging from the first bolt 611.
[0066] In an exemplary implementation, such as Figure 2 , Figure 3B and Figure 3C As shown, the luggage compartment lid hinge of this embodiment further includes a first bushing 615, which is fitted onto the first bolt 611, and includes a first bushing body 621 and a first bushing extension 622. The first bushing body 621 is located between the hinge link 500 and the hinge arm 200 to reduce the friction between the hinge link 500 and the hinge arm 200. The first bushing extension 622 is located between the inner surface of the slot 201 of the hinge arm 200 and the outer surface of the first bolt 611 to reduce the friction between the hinge arm 200 and the first bolt 611.
[0067] In an exemplary implementation, such as Figure 2 As shown, one end of the hinge arm 200 has a first mounting hole 205, and the first position 101 has a second mounting hole 105.
[0068] The luggage lid hinge further includes a pin 617 and a second bushing 616.
[0069] The hinge arm 200 is mounted to the second mounting hole 105 of the hinge bracket 100 via a pin 617. Specifically, the pin 617 passes through the first mounting hole 205 of the hinge arm 200 and the second mounting hole 105 of the hinge bracket 100, allowing the hinge arm 200 to rotate around the pin 617.
[0070] The second bushing 616 is fitted onto the pin 617 and includes a second bushing body 623 and a second bushing extension 624 (see mating details). Figure 3D The second bushing body 623 is located between the hinge arm 200 and the hinge bracket 100 to reduce the friction between the hinge arm 200 and the hinge bracket 100. The second bushing extension 624 is located between the inner surface of the first mounting hole 205 of the hinge arm 200 and the outer surface of the pin 617 to reduce the friction between the hinge arm 200 and the pin 617.
[0071] In an exemplary implementation, such as Figure 2 As shown, the hinge bracket 100 has a third mounting hole 104. The guide plate 400 is mounted in the third mounting hole 104 by a second bolt 618 and a third nut 619. Specifically, the left side of the hinge bracket 100 has a downwardly extending mounting plate 106 (see mating details). Figure 4 and Figure 5 The mounting plate 106 has two third mounting holes 104, and the guide plate 400 is mounted on the mounting plate 106 by a second bolt 618 and a third nut 619.
[0072] In an exemplary implementation, such as Figure 1 and Figure 2 As shown, the trunk lid hinge of this utility model embodiment further includes a buffer 620, which is installed on the rear side of the hinge arm 200. In the final stage of the opening process, the buffer 620 can reduce damage to the hinge arm 200 and the vehicle body when the hinge arm 200 is about to collide with the vehicle body.
[0073] In an exemplary implementation, such as Figure 2 As shown, the hinge link 500 includes a third bushing 510 and two symmetrical link basic components 520.
[0074] The first ends of two basic link members 520 are spaced apart to clamp the hinge arm 200. The second ends of the two basic link members 520 are joined together. A third bushing 510 is fitted over the second ends of the two basic link members 520, and the other end of the torsion bar 300 is hinged to the third bushing 510. The third bushing 510 reduces the friction between the basic link members 520 and the torsion bar 300. Specifically, the second ends of the two basic link members 520 are welded together.
[0075] Example 1
[0076] like Figure 3A As shown, the center of the first arc portion 401 and the center of the second arc portion 403 are both located at the first position 101. The radius R1 of the first arc portion 401 is smaller than the radius R2 of the second arc portion 403. The connecting portion 402 has a predetermined length. The first end 408 of the connecting portion 402 is connected to the first arc portion 401, and the second end 409 of the connecting portion 402 is connected to the first end 405 of the second arc portion 403. The second end 406 of the second arc portion 403 is the end away from the connecting portion 402. In Embodiment 1, the distance from the first position 101 to the second arc portion 403 is a fixed value (i.e., the radius R2 of the second arc portion 403).
[0077] When the sleeve 612 slides along the first arc portion 401 (from... Figure 3A state to Figure 6A (State), the first bolt 611 is always located at the first end 202 of the strip groove 201 (see mating details). Figure 3C and Figure 6B ).
[0078] When the sleeve 612 slides along the connecting portion 402 from the first end 408 to the second end 409 of the connecting portion 402 (i.e., from... Figure 6A state to Figure 7A (state), the first bolt 611 slides from the first end 202 of the slot 201 to the second end 203 of the slot 201 (i.e., from the state). Figure 6B state to Figure 7B (state).
[0079] When the sleeve 612 slides along the second arc portion 403 from the first end 405 to the second end 406 of the second arc portion 403 (i.e., from... Figure 8A state to Figure 9A (State), the first bolt 611 is always located at the second end 203 of the slot 201 (see mating details). Figure 8B and Figure 9B ).
[0080] Specifically, under the torque of the torsion bar 300, the hinge link 500 is always in a tendency to move backward and upward, so that the sleeve 612 is always against the lower edge of the guide plate 400.
[0081] After the trunk lid is unlocked, the torque provided by the torsion bar 300 to the hinge arm 200 pushes the hinge arm 200 to rotate backward and upward about one end of the hinge arm 200.
[0082] The torque provided by the torsion bar 300 to the hinge arm 200 is
[0083]
[0084] Where T1 is the torque of torsion bar 300, d1 is the diameter of torsion bar 300, G is the transverse elastic modulus, θ is the torsion angle of torsion bar 300, L is the length of torsion bar 300, s is the lever arm of the hinge axis, and t is the lever arm of the torsion bar fixing point (see details for fitting). Figure 10 ).
[0085] Because the magnitude of the force and the lever arm in the torque provided by the torsion bar 300 are changing, and the magnitude of the total torque generated by the weight of the trunk lid and the friction during rotation is also changing, as the sleeve 612 begins to slide along the connecting part 402 from the first end to the second end of the connecting part 402, the distance from the first position 101 to the first bolt 611 increases, causing the torque provided by the torsion bar 300 to... Increase to When the torsion angle θ of the torsion bar 300 is the same (i.e., the deformation of the torsion bar 300 is the same), Increase to The torque T1 of the torsion bar 300 is made to exceed the total torque T2 generated by the weight of the trunk lid and the friction during rotation, so that the torque T1 of the torsion bar can fully open the trunk lid without any additional power input (such as the user manually lifting the trunk lid).
[0086] Additionally, when the sleeve 612 slides to the end of the first arc portion 401 that is connected to the connecting portion 402 (i.e., slides to the first end 408 of the connecting portion 402), the angle between the hinge link 500 and the hinge arm 200 is greater than or equal to 90 degrees.
[0087] by Figure 11 Taking an angle greater than 90 degrees between the hinge link 500 and the hinge arm 200 as an example, the force exerted by the hinge link 500 on the hinge arm 200 is F. N Force F N The component of the force perpendicular to the hinge arm 200 is F1, and the force F is... N The component of the force along the direction of the hinge arm 200 is F2.
[0088] Since the angle between the hinge link 500 and the hinge arm 200 is greater than 90 degrees, the component force F2 points away from the guide plate 400 (i.e., downward), so that the component force F2 can push the first bolt 611 to slide from the first end 408 of the connecting part 402 to the second end 409 of the connecting part 402.
[0089] If the sleeve 612 slides to the end of the first arc portion 401 near the connecting portion 402 (i.e., slides to the first end 408 of the connecting portion 402), the angle between the hinge link 500 and the hinge arm 200 is less than 90 degrees, and the component force F2 points in the direction near the guide plate 400 (i.e., upward), the component force F2 will prevent the first bolt 611 from sliding from the first end 408 of the connecting portion 402 to the second end 409 of the connecting portion 402, thereby causing the trunk lid to be unable to open smoothly.
[0090] Example 2
[0091] like Figure 12 As shown, the center of the second arc portion 403 is located at a predetermined position 410 of the guide plate 400. The first end 408 of the connecting portion 402 is connected to the first arc portion 401, and the second end 409 of the connecting portion 402 is connected to the first end 405 of the second arc portion 403. The second end 406 of the second arc portion 403 is the end away from the connecting portion 402. In Embodiment 2, the distance from the first position 101 to the second arc portion 403 is a variable value, and the radius R1 of the first arc portion 401 is less than the minimum distance from the first position 101 to the second arc portion 403.
[0092] When the sleeve 612 slides along the first arc portion 401, the first bolt 611 is located at the first end 202 of the strip groove 201 (see mating details). Figure 13A The process is in the same state as in Example 1.
[0093] When the sleeve 612 slides along the connecting portion 402 from the first end 408 to the second end 409 of the connecting portion 402, the first bolt 611 slides from the first end 202 of the slot 201 to the first stop position 204 of the slot 201 near the second end 203 of the slot 201 (see mating details). Figure 13B ).
[0094] like Figure 12 As shown, when the sleeve 612 slides along the second arc portion 403 from the first end 405 to the second end 406 of the second arc portion 403, the first bolt 611 first slides from the first stop position 204 of the slot 201 to the second end 203 of the slot 201, and then slides from the second end 203 of the slot 201 to the second stop position 206 of the slot 201. Specifically, the intersection of the extension line of the line connecting the first position 101 and the predetermined position 410 of the guide plate 400 with the second arc portion 403 is the farthest point 407.
[0095] When the distance between the sleeve 612 and the first position 101 is at its maximum, the first bolt 611 is located at the second end of the strip groove 201.
[0096] The greater the distance from the first end 405 of the second arc portion 403 to the first position 101, the smaller the distance from the first stop position 204 to the second end of the strip groove 201.
[0097] The greater the distance from the second end 406 of the second arc portion 403 to the first position 101, the smaller the distance from the second stop position 206 to the second end of the strip groove 201.
[0098] like Figure 12 As shown, when the sleeve 612 contacts the farthest point 407, the distance from it to the first position 101 is (x1 + R2), while when it contacts other points, such as when the sleeve 612 contacts the first end 405 of the second arc portion 403, the distance from it to the first position 101 is x2. According to the side length relationship of a triangle, x2 is less than (x1 + R2). Therefore, as the sleeve 612 slides along the second arc portion 403 from the first end 405 to the farthest point 407, the distance from the sleeve 612 to the first position 101 increases, causing the first bolt 611 to slide from the first stop position 204 of the slot 201 to the second end 203 of the slot 201 (see mating details). Figure 13C ).
[0099] During the process of sliding from the farthest point 407 to the second end 406 of the second arc portion 403, the distance from the sleeve 612 to the first position 101 decreases, causing the first bolt 611 to slide from the second end 203 of the slot towards the first end 202 to the second stop position 206 (see details). Figure 13D The second stop position 206 and the first stop position 204 can be different positions or the same position.
[0100] exist Figure 12 In this embodiment, the connecting portion 402 has a predetermined length. In other embodiments, the connecting portion 402 may not have a predetermined length, but may directly connect the first arc portion 401 and the second arc portion 403, that is, the intersection of the first arc portion 401 and the second arc portion 403 constitutes the connecting portion 402.
[0101] In addition, the length of the groove 201 should be long enough so that when the sleeve 612 slides to contact the farthest point 407, the first bolt 611 has enough sliding space in the groove 201.
[0102] The force analysis of Example 2 is similar to that of Example 1, and will not be repeated here.
[0103] This utility model embodiment also provides a vehicle equipped with the aforementioned trunk lid hinge. Other components and functions of the vehicle according to this utility model embodiment are known to those skilled in the art and will not be described in detail to reduce redundancy.
[0104] For ease of interpretation and precise definition of the appended claims, the terms “upper,” “lower,” “inner,” “outer,” “above,” “below,” “above,” “below,” “upward,” “downward,” “front,” “back,” “behind,” “inner side,” “outer side,” “inward,” “outer,” “internal,” “external,” “inner,” “external,” “forward,” and “backward” are used to describe the features of the exemplary embodiments with reference to the positions of these features shown in the accompanying drawings.
[0105] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and descriptive purposes. It is not intended to be exhaustive, nor to limit the invention to the precise forms disclosed; obviously, many changes and variations are possible in accordance with the foregoing teachings. The exemplary embodiments were chosen and described to explain the specific principles of the invention and its practical application, thereby enabling others skilled in the art to implement and utilize various exemplary embodiments of the invention, as well as their different alternatives and modifications. The scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A luggage cover hinge, characterized by, include: Hinge bracket; A hinge arm, one end of which is hinged to a first position of the hinge bracket, and has a strip groove extending along its length near the one end. A torsion bar, one end of which is hinged to the second position of the hinge bracket; A guide plate is disposed on one side of the hinge bracket. The lower edge of the guide plate includes a first arc portion, a connecting portion, and a second arc portion connected in sequence. The center of the first arc portion is located at the first position, and the radius of the first arc portion is less than the distance from the first position to the second arc portion or the minimum distance from the first position to the second arc portion. as well as A hinge link, the first end of which is hinged to the slot of the hinge arm, and the second end of which is hinged to the other end of the torsion bar, the hinge link being able to transmit the torque of the torsion bar to the hinge arm.
2. The luggage lid hinge of claim 1, wherein, It further includes: A first bolt passes through the first end of the hinge link and the slot of the hinge arm; and A sleeve, which is mounted on the first bolt and located on one side of the hinge arm, abuts against the lower edge of the guide plate.
3. The luggage lid hinge of claim 2, wherein The center of the first arc portion and the center of the second arc portion are both located at the first position. The radius of the first arc portion is smaller than the radius of the second arc portion. The connecting portion has a predetermined length. The first end of the connecting portion is connected to the first arc portion, and the second end of the connecting portion is connected to the second arc portion. When the sleeve slides along the first arc portion, the first bolt is located at the first end of the strip groove; When the sleeve slides along the connecting portion from the first end of the connecting portion to the second end of the connecting portion, the first bolt slides from the first end of the groove to the second end of the groove; As the sleeve slides along the second arc portion, the first bolt remains at the second end of the groove.
4. The luggage lid hinge of claim 2, wherein, The center of the second arc portion is located at a predetermined position on the guide plate. The radius of the first arc portion is smaller than the minimum distance from the first position to the second arc portion. The first end of the connecting portion is connected to the first arc portion, and the second end of the connecting portion is connected to the first end of the second arc portion. The second end of the second arc portion is the end away from the connecting portion. When the sleeve slides along the first arc portion, the first bolt is located at the first end of the strip groove; When the sleeve slides along the connecting portion from the first end of the connecting portion to the second end of the connecting portion, the first bolt slides from the first end of the groove to a first stop position near the second end of the groove. When the sleeve slides along the second arc portion from the first end to the second end of the second arc portion, the first bolt first slides from the first stop position of the strip groove to the second end of the strip groove, and then slides from the second end of the strip groove to the second stop position of the strip groove; When the distance from the sleeve to the first position is at its maximum, the first bolt is located at the second end of the slot; The greater the distance from the first end of the second arc portion to the first position, the smaller the distance from the first stop position to the second end of the strip groove; The greater the distance from the second end of the second arc portion to the first position, the smaller the distance from the second stop position to the second end of the strip groove.
5. The luggage lid hinge of claim 2, wherein, When the sleeve slides to the end of the first arc portion that is connected to the connecting portion, the angle between the hinge link and the hinge arm is greater than or equal to 90 degrees.
6. The luggage lid hinge of claim 2, wherein, It further includes: A first nut is mounted on the first bolt and located between the hinge link and the sleeve to prevent the first bolt from detaching from the hinge link; A second nut is mounted on the first bolt, and a sleeve is positioned between the first nut and the second nut to prevent the sleeve from detaching from the first bolt.
7. The luggage lid hinge of claim 2, wherein, It further includes: A first bushing, which is fitted onto the first bolt, includes: The first bushing body, located between the hinge link and the hinge arm, reduces friction between them; and The first bushing extension is located between the inner surface of the groove of the hinge arm and the outer surface of the first bolt to reduce the friction between the hinge arm and the first bolt.
8. The luggage lid hinge according to claim 1, characterized in that, One end of the hinge arm has a first mounting hole, and the first position has a second mounting hole; The luggage lid hinge further includes: The hinge arm is mounted to the second mounting hole of the hinge bracket via a pin, and the hinge arm is able to rotate around the pin. A second bushing, fitted onto the pin, includes: The second bushing body, located between the hinge arm and the hinge bracket, reduces friction between them; and The second bushing extension is located between the inner surface of the first mounting hole of the hinge arm and the outer surface of the pin to reduce friction between the hinge arm and the pin.
9. The luggage lid hinge of claim 1, wherein, The hinge bracket has a third mounting hole; The guide plate is installed at the third mounting hole by a second bolt and a third nut.
10. The luggage lid hinge of claim 1, wherein, It further includes: A buffer is mounted to the rear of the hinge arm.
11. The luggage cover hinge of claim 1, wherein, The hinge link includes a third bushing and two symmetrical link basic components; The first ends of the two basic link members are spaced at a predetermined distance to hold the hinge arm, the second ends of the two basic link members are connected together, the third bushing is fitted over the second ends of the two basic link members, and the other end of the torsion bar is hinged to the third bushing.
12. A vehicle, characterized in that, It is equipped with a luggage lid hinge as described in any one of claims 1-11.