Vehicle door limiting device and vehicle

Abstract

The utility model relates to the technical field of vehicle parts, in particular to a vehicle door limiting device and a vehicle, the vehicle door limiting device comprises a vehicle door limiting stopper and a shock absorber, the vehicle door limiting stopper comprises a limiting stopper body and a mounting shell used for being connected with a vehicle door, the shock absorber is fixed to one end of the limiting stopper body, and the shock absorber is fixed to the other end of the limiting stopper body. And the shock absorber is at least partially arranged in the mounting shell and is in contact with the inner wall of the mounting shell. Therefore, vibration generated in the running process of the limiting stopper body can be transmitted to the automobile door through the shock absorber and the mounting shell in sequence, so that the vibration generated by the limiting stopper body has more propagation media when finally reaching the automobile door, and the influence of the vibration generated in the running process of the limiting stopper body on the automobile door is weakened; and furthermore, noise radiation in the vehicle is reduced, and user experience is improved.

Description

Technical Field

[0001] This application relates to the field of vehicle component technology, and in particular to a door limiting device and a vehicle. Background Technology

[0002] Door limiters are typically installed on car doors. Their main functions include limiting the maximum opening angle of the door, preventing the door from opening too wide, and keeping the door in a certain position.

[0003] In related technologies, one end of the door limiter is rigidly connected to the door. This causes the door limiter to transmit its own vibration to the door during operation, and then from the door to the entire vehicle body, resulting in noise radiation inside the vehicle and affecting the user experience. Utility Model Content

[0004] This application provides a door limiting device and a vehicle to at least partially solve the problem of strong door vibration caused by the operation of the door limiter in the related art.

[0005] To achieve the above objectives, according to a first aspect of this application, a door limiting device is provided, including a door limiter and a shock absorber. The door limiter includes a limiter body and a mounting housing for connecting a door, wherein the shock absorber is fixed to one end of the limiter body, and the shock absorber is at least partially disposed within the mounting housing and contacts the inner wall of the mounting housing.

[0006] Optionally, the shock absorber includes a first mounting portion, and the mounting housing includes a second mounting portion, wherein the first mounting portion cooperates with the second mounting portion so that the shock absorber is at least partially disposed within the mounting housing.

[0007] Optionally, the first mounting portion is disposed on the outer wall of the shock absorber, and the second mounting portion is disposed on the inner wall of the mounting housing.

[0008] Optionally, one of the first mounting portion and the second mounting portion is a protrusion and the other is a mounting groove. The protrusion and the mounting groove are slidably engaged to house the shock absorber at least partially within the mounting housing.

[0009] Optionally, the first mounting portion includes a plurality of sub-protrusions arranged circumferentially along the shock absorber, each of the sub-protrusions extending in the same direction; the second mounting portion includes a plurality of sub-mounting grooves, each of the sub-protrusions being located within one of the sub-mounting grooves.

[0010] Optionally, at least one of the sub-mounting slots is provided with a limiting member, and at least one of the sub-protrusions abuts against the limiting member.

[0011] Optionally, one side of the shock absorber is provided with a first buffer member for abutting against the vehicle door. The first buffer member is located outside the mounting housing, and the extending direction of the first buffer member intersects the extending direction of the limiter body.

[0012] Optionally, the extension of the shock absorber is disposed outside the mounting housing, and the first buffer is disposed on the extension.

[0013] Optionally, a second buffer member is provided on one side of the shock absorber for abutting against the door, and the second buffer member is located at the end of the shock absorber away from the limiter body.

[0014] Optionally, the second buffer includes a plurality of sub-buffers spaced apart, each of the sub-buffers having its end face away from the limiter body for abutting against the door.

[0015] According to a second aspect of this application, a vehicle is provided, including a door and the door limiting device described in the first aspect.

[0016] In the door limiting device of this application embodiment, through the above-described technical solution, the vibration generated by the limiter body during operation is first transmitted to the shock absorber, then the shock absorber transmits the vibration to the mounting housing, and finally the mounting housing transmits the vibration to the door. Therefore, the vibration generated by the limiter body has a greater propagation medium when it finally reaches the door, thereby weakening the impact of the vibration of the limiter body during operation on the door, thus reducing noise radiation inside the vehicle and improving the user experience. In addition, since the shock absorber is at least partially disposed inside the mounting housing and in contact with the inner wall of the mounting housing, a rigid connection between the shock absorber and the mounting housing can be avoided, which helps to further reduce the impact of the vibration generated by the limiter body on the door.

[0017] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0020] Figure 1 This is a schematic diagram of the structure of a door limiting device provided in some embodiments of this application;

[0021] Figure 2 yes Figure 1 Disassembly diagram of the CRRC door limiting device;

[0022] Figure 3 This is an assembly drawing of a shock absorber and a mounting housing according to some embodiments of this application;

[0023] Figure 4 This is a structural schematic diagram of a shock absorber according to some embodiments of this application;

[0024] Figure 5 This is a schematic diagram of the structure of the mounting housing according to some embodiments of this application;

[0025] Figure 6 This is a partial structural schematic diagram of a vehicle provided in some embodiments of this application.

[0026] Explanation of reference numerals in the attached figures:

[0027] 100. Door limit device; 200. Vehicle;

[0028] 10. Shock absorber; 101. Extension; 11. First mounting part; 111. Sub-protrusion; 112. First sub-protrusion; 113. Second sub-protrusion; 12. First buffer; 13. Second buffer; 131. Sub-buffer;

[0029] 20. Door limiter; 21. Limiter body; 22. Mounting housing; 220. Second mounting part; 2201. Sub-mounting slot; 221. Limiting component;

[0030] 30. Car door. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0032] This application provides a door limiting device, such as... Figure 1 and Figure 2 As shown, the door limiting device 100 includes a door limiter 20 and a shock absorber 10. The door limiter 20 includes a limiter body 21 and a mounting shell 22 for connecting the door. The shock absorber 10 is fixed to one end of the limiter body 21. The shock absorber 10 is at least partially disposed in the mounting shell 22 and contacts the inner wall of the mounting shell 22.

[0033] With the above configuration, the vibration generated by the limiter body 21 during operation is first transmitted to the shock absorber 10, then the shock absorber 10 transmits the vibration to the mounting housing 22, and finally the mounting housing 22 transmits the vibration to the door. Therefore, for the door limiting device 100 provided in this embodiment, the vibration generated by the limiter body 21 has more propagation medium when it finally reaches the door, thereby weakening the impact of the vibration of the limiter body 21 during operation on the door, thus reducing noise radiation inside the vehicle and improving the user experience.

[0034] Furthermore, since the shock absorber 10 is at least partially disposed within the mounting housing 22 and contacts the inner wall of the mounting housing 22, a rigid connection between the shock absorber 10 and the mounting housing 22 can be avoided, thereby further reducing the impact of vibration generated by the limiter body 21 on the door.

[0035] In some examples, the axis of the shock absorber 10 is aligned with the axis of the limiter body 21. The shock absorber 10 can be partially inserted into the mounting housing 22 and then fixed to one end of the limiter body 21.

[0036] As one example, the shock absorber 10 may be partially housed within the mounting housing 22, with another portion located outside the mounting housing 22. As another example, the shock absorber 10 may be entirely housed within the mounting housing 22.

[0037] In some examples, the shock absorber 10 is in contact with the inner wall of the mounting housing 22 in its circumferential direction. This ensures the transmission of force between the shock absorber 10 and the mounting housing 22, thereby ensuring that the door limiter 20 can transmit the force to the door through the mounting housing 22 to limit the maximum opening angle of the door and control the door to remain in a certain position.

[0038] In some embodiments, such as Figure 3 and Figure 5 As shown, the shock absorber 10 includes a first mounting portion 11, and the mounting housing 22 includes a second mounting portion 220. The first mounting portion 11 and the second mounting portion 220 cooperate to ensure that the shock absorber 10 is at least partially disposed within the mounting housing 22.

[0039] Therefore, by cooperating the first mounting portion 11 of the shock absorber 10 and the second mounting portion 220 of the mounting housing 22, the shock absorber 10 is at least partially arranged inside the mounting housing 22, thus ensuring the assembly between the shock absorber 10 and the mounting housing 22. Furthermore, by utilizing the cooperation of the first mounting portion 11 and the second mounting portion 220, the use of external parts can be reduced, thereby simplifying the structure of the door limiting device 100.

[0040] In some examples, the first mounting portion 11 and the second mounting portion 220 can be snap-fitted together, thereby fixing the shock absorber 10 and the mounting housing 22. In other examples, the first mounting portion 11 and the second mounting portion 220 can also be slidably fitted or interference-fitted, as long as it enables the shock absorber 10 to be at least partially disposed within the mounting housing 22 and to contact the inner wall of the mounting housing 22.

[0041] In some embodiments, please continue reading Figure 3 and Figure 5 The first mounting portion 11 is disposed on the outer wall of the shock absorber 10, and the second mounting portion 220 is disposed on the inner wall of the mounting housing 22. This arrangement facilitates the manufacturing of the first mounting portion 11 and the second mounting portion 220, thereby improving the processing efficiency of the shock absorber 10 and the mounting housing 22. Furthermore, the first mounting portion 11 and the second mounting portion 220, after mating, form contact, enabling the transmission of force between the shock absorber 10 and the mounting housing 22, thus ensuring that the door limiter 20 can transmit force to the door through the mounting housing 22.

[0042] In some embodiments, please continue reading Figure 3 and Figure 5 One of the first mounting portion 11 and the second mounting portion 220 is a protrusion, and the other is a mounting groove. The protrusion and the mounting groove are slidably engaged to at least partially house the shock absorber 10 within the mounting housing 22.

[0043] Due to the sliding fit between the protrusion and the mounting groove, the protrusion can slide along the length of the mounting groove, allowing the shock absorber 10 to be smoothly and at least partially housed within the mounting housing 22, thereby improving the installation efficiency of the shock absorber 10 and the mounting housing 22. Furthermore, the sliding fit between the protrusion and the mounting groove also ensures contact between the inner walls of the shock absorber 10 and the mounting housing 22. In addition, because of the sliding fit between the protrusion and the mounting groove, a rigid connection is not formed between the shock absorber 10 and the mounting housing 22, which enhances the reduction of vibration transmission losses and thus weakens the impact of vibrations from the limiter body 21 during operation on the vehicle door.

[0044] In some examples, the first mounting portion 11 can be a protrusion, and the second mounting portion 220 can be a mounting groove. This configuration allows the mounting groove to be directly formed on the inner wall of the mounting shell 22, thus avoiding the need to create a new mold for the mounting shell 22, thereby saving on manufacturing costs. Furthermore, since the protrusion is located on the shock absorber 10, it can also serve as a reinforcing rib, thereby improving the structural strength of the shock absorber 10.

[0045] In other examples, the first mounting part 11 may be a mounting groove and the second mounting part 220 may be a protrusion.

[0046] In some embodiments, please continue reading Figure 3 and Figure 5 Taking the first mounting portion 11 as a protrusion and the second mounting portion 220 as a mounting groove as an example, the first mounting portion 11 includes a plurality of sub-protrusions 111 arranged circumferentially along the shock absorber 10, and each sub-protrusion 111 extends in the same direction. The second mounting portion 220 includes a plurality of sub-mounting grooves 2201, and each sub-protrusion 111 is located in one sub-mounting groove 2201. The number of sub-protrusions 111 is the same as the number of sub-mounting grooves 2201. The extending direction of each sub-protrusion 111 is the same as the length direction of the corresponding sub-mounting groove 2201, thereby ensuring that each sub-protrusion 111 can be located within the corresponding sub-mounting groove 2201.

[0047] By arranging multiple sub-protrusions 111 around the shock absorber 10 and providing multiple sub-mounting grooves 2201 on the mounting shell 22 that match the multiple sub-protrusions 111, the structural strength of the shock absorber 10 can be improved on the one hand, and the relative positional relationship between the shock absorber 10 and the mounting shell 22 can be strengthened on the other hand, preventing the two from moving relative to each other along the circumference of the shock absorber 10.

[0048] In some examples, such as Figure 3 and Figure 4 As shown, the shock absorber 10 may include a top surface and two side surfaces located on both sides of the top surface and respectively connected to the top surface, with the ends of the two side surfaces away from the top surface connected to each other. The plurality of sub-protrusions 111 include a plurality of first sub-protrusions 112 located on the top surface, with equal spacing between any two adjacent first sub-protrusions 112. The plurality of sub-protrusions 111 also include a plurality of second sub-protrusions 113 located on the side surfaces, with equal spacing between any two adjacent second sub-protrusions 113.

[0049] As an example, the first sub-protrusion 112 and the second sub-protrusion 113 have the same width. For example, the width of both the first sub-protrusion 112 and the second sub-protrusion 113 is 3mm. In this case, the width of the sub-mounting groove 2201 can be 3.1mm, which can ensure the smoothness and stability of the sliding fit between the sub-protrusion 111 and the sub-mounting groove 2201.

[0050] For example, the height of the sub-protrusion 111 and the depth of the sub-mounting groove 2201 can be the same, for example, both 0.5 mm. This allows for good contact between the shock absorber 10 and the mounting housing 22.

[0051] As an example, the spacing between adjacent first sub-protrusions 112 and the spacing between adjacent second sub-protrusions 113 can both be set to 6mm. This ensures that the distribution density of sub-protrusions 111 on the shock absorber 10 is relatively reasonable, thereby ensuring the structural strength of the shock absorber 10 while avoiding excessive cost of setting sub-protrusions 111.

[0052] In some examples, the shock absorber 10 is roughly shaped like a triangular prism. As an example, each side comprises multiple sequentially connected sub-sides, each of which can be a plane.

[0053] In some embodiments, such as Figures 3 to 5 As shown, at least one sub-mounting groove 2201 is provided with a limiting member 221, and at least one sub-protrusion 111 abuts against the limiting member 221. By providing the limiting member 221, the sub-protrusion 111 is prevented from continuing to slide along the sub-mounting groove 2201 after abutting against the limiting member 221, thereby achieving the positioning function between the shock absorber 10 and the mounting shell 22, so as to avoid the problem of excessive offset of the shock absorber 10 during installation.

[0054] In some examples, a limiting member 221 is provided in a sub-mounting slot 2201, and a sub-protrusion 111 located in the sub-mounting slot 2201 abuts against the limiting member 221.

[0055] In other examples, there are multiple sub-mounting slots 2201 with limiting members 221, and multiple sub-protrusions 111 abut against the corresponding limiting members 221. This arrangement can enhance the positioning stability of the shock absorber 10, thereby preventing the shock absorber 10 from shifting during installation.

[0056] like Figure 4 As shown, among all the second sub-protrusions 113, some of the second sub-protrusions 113 are relatively short in length, and the sub-mounting groove 2201 corresponding to these second sub-protrusions 113 is provided with a limiting member 221. In this way, after the shock absorber 10 is installed in the mounting housing 22, the second sub-protrusions 113 can smoothly abut against the limiting member 221, thereby limiting further sliding of the second sub-protrusions 113.

[0057] In some embodiments, such as Figure 3 and Figure 4 As shown, a first buffer member 12 for abutting against the vehicle door is provided on one side of the shock absorber 10. The first buffer member 12 is located outside the mounting housing 22, and the extending direction of the first buffer member 12 intersects the extending direction of the limiter body 21. For example, the extending direction of the first buffer member 12 is perpendicular to the extending direction of the limiter body 21.

[0058] The vibrations generated by the limiter body 21 during operation include vibrations along its radial direction. Due to the presence of the first buffer 12, these radial vibrations are transmitted to the door via the first buffer 12. The first buffer 12 has a buffering effect, effectively buffering the radial vibrations and thus reducing the vibration impact on the door. Furthermore, since the shock absorber 10 contacts the door through the first buffer 12, it effectively isolates vibrations.

[0059] As an example, the first buffer 12 can deform after being subjected to force, thereby reducing the radial force exerted on the door by the limiter body 21. For example, the first buffer 12 can be made of a material with a certain degree of elasticity, so that it can deform smoothly after being subjected to force.

[0060] In some examples, the first buffer 12 may be cylindrical, and the cross-section of the first buffer 12 may be annular. The number of first buffers 12 may be one or more, and the embodiments of this application are not limited in this respect.

[0061] In some embodiments, please continue reading Figure 3 and Figure 4 The extension 101 of the shock absorber 10 is disposed outside the mounting housing 22, and the first buffer member 12 is disposed on the extension 101. By disposing the first buffer member 12 on the extension 101 located outside the mounting housing 22, it can be ensured that the first buffer member 12 is located outside the mounting housing 22 and can abut against the door.

[0062] In some examples, the shock absorber 10 also includes a main body connected to the extension 101, the main body being located within the mounting housing 22. During the assembly of the shock absorber 10 and the mounting housing 22, the shock absorber 10 is inserted into the mounting housing 22 along the extension 101 toward the main body, thereby ensuring that the first buffer 12 is located outside the mounting housing 22 after assembly is completed.

[0063] In some embodiments, please continue reading Figure 3 and Figure 4 The shock absorber 10 has a second buffer 13 on one side for abutting against the door. The second buffer 13 is located at the end of the shock absorber 10 away from the limiter body 21.

[0064] The vibrations generated by the limiter body 21 during operation include vibrations along its axial direction. Due to the presence of the second buffer 13, these axial vibrations are transmitted to the door via the second buffer 13. The second buffer 13 has a buffering effect, effectively buffering the axial vibrations and thus reducing the vibration impact on the door. Furthermore, since the shock absorber 10 contacts the door through the second buffer 13, it effectively isolates vibrations.

[0065] With the first buffer 12 provided on the extension 101, the second buffer 13 is also provided on the extension 101, thus ensuring that after the shock absorber 10 and the mounting shell 22 are assembled, the first buffer 12 and the second buffer 13 are both located outside the mounting shell 22 and can abut against the door.

[0066] In some examples, the end face of the second buffer 13 away from the limiter body 21 is used to abut against the door, thereby effectively buffering the vibration of the limiter body 21 in its axial direction.

[0067] As an example, the second buffer 13 can deform after being subjected to force, thereby reducing the force exerted by the limiter body 21 on the door in the axial direction. For example, the second buffer 13 can be made of a material with a certain degree of elasticity, so that it can deform smoothly after being subjected to force.

[0068] In some embodiments, please continue reading Figure 3 and Figure 4 The second buffer 13 includes a plurality of sub-buffers 131 spaced apart, and the end face of each sub-buffer 131 away from the limiter body 21 is used to abut against the door.

[0069] By setting multiple sub-buffers 131 that are spaced apart from each other, and there is a gap between adjacent sub-buffers 131, it is beneficial to the deformation of the sub-buffers 131, so as to reduce the force exerted by the limiter body 21 on the door in the axial direction.

[0070] In some examples, the width of each sub-buffer 131 can be 5mm, which ensures a stable contact between the sub-buffer 131 and the door. The spacing between two adjacent sub-buffers 131 can be 12mm.

[0071] When the position of the door corresponding to the second buffer 13 is not planar, the lengths of the different sub-buffers 131 can be different. For example, one sub-buffer 131 has a length of 29mm, and the other sub-buffer 131 has a length of 26mm. Therefore, it is sufficient to ensure that the end face of the sub-buffer 131 away from the limiter body 21 abuts against the door.

[0072] In some examples, the end face of each sub-buffer 131 away from the limiter body 21 includes a rounded arc surface, which helps to achieve a larger contact area between the sub-buffer 131 and the door, thereby improving the buffering effect of the sub-buffer 131.

[0073] Some embodiments of this application also provide a vehicle, such as Figure 6 As shown, the vehicle 200 includes a door 30 and a door limiting device 100 as described in any of the above embodiments, wherein the mounting housing 22 in the door limiting device 100 is connected to the door 30.

[0074] Since the vehicle 200 includes the door limiting device 100, the vehicle 200 has the same technical effects as the door limiting device 100, which will not be elaborated here.

[0075] In some examples, the mounting housing 22 has a connecting block that can be bolted to the door.

[0076] When the door limiting device 100 is provided with a first buffer 12 and a second buffer 13, the door 30 has an arc-shaped surface at the corresponding position so that the first buffer 12 and the second buffer 13 can abut against the door 30.

[0077] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0078] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0079] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0080] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A door limiting device, characterized in that, The device includes a door limiter (20) and a shock absorber (10). The door limiter (20) includes a limiter body (21) and a mounting shell (22) for connecting to the door. The shock absorber (10) is fixed to one end of the limiter body (21). The shock absorber (10) is at least partially disposed inside the mounting shell (22) and contacts the inner wall of the mounting shell (22).

2. The door limiting device according to claim 1, characterized in that, The shock absorber (10) includes a first mounting portion (11), and the mounting housing (22) includes a second mounting portion (220). The first mounting portion (11) and the second mounting portion (220) cooperate to such that the shock absorber (10) is at least partially disposed within the mounting housing (22).

3. The door limiting device according to claim 2, characterized in that, The first mounting part (11) is disposed on the outer wall of the shock absorber (10), and the second mounting part (220) is disposed on the inner wall of the mounting shell (22).

4. The door limiting device according to claim 2, characterized in that, One of the first mounting part (11) and the second mounting part (220) is a protrusion and the other is a mounting groove. The protrusion and the mounting groove are slidably engaged to at least partially house the shock absorber (10) within the mounting housing (22).

5. The door limiting device according to claim 4, characterized in that, The first mounting portion (11) includes a plurality of sub-protrusions (111) arranged circumferentially along the shock absorber (10), and each of the sub-protrusions (111) extends in the same direction; the second mounting portion (220) includes a plurality of sub-mounting grooves (2201), and each of the sub-protrusions (111) is located in one of the sub-mounting grooves (2201).

6. The door limiting device according to claim 5, characterized in that, At least one of the sub-mounting slots (2201) is provided with a limiting member (221), and at least one of the sub-protrusions (111) abuts against the limiting member (221).

7. The door limiting device according to any one of claims 1-6, characterized in that, The shock absorber (10) has a first buffer (12) on one side for abutting against the door. The first buffer (12) is located outside the mounting shell (22), and the extension direction of the first buffer (12) intersects the extension direction of the limiter body (21).

8. The door limiting device according to claim 7, characterized in that, The extension (101) of the shock absorber (10) is disposed outside the mounting housing (22), and the first buffer (12) is disposed on the extension (101).

9. The door limiting device according to any one of claims 1-6, characterized in that, The shock absorber (10) is provided with a second buffer (13) on one side for abutting against the door. The second buffer (13) is located at the end of the shock absorber (10) away from the limiter body (21).

10. The door limiting device according to claim 9, characterized in that, The second buffer (13) includes a plurality of sub-buffers (131) spaced apart, each of the sub-buffers (131) having its end face away from the limiter body (21) for abutting the door.

11. A vehicle, characterized in that, Includes a door (30) and a door limiting device (100) as described in any one of claims 1-10.

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