Vibration reduction lock catch and vehicle
By designing a vibration-absorbing lock that includes support, lock fastener, flexible vibration isolation layer and mounting, the problem of NVH performance reduction caused by the rigid connection between the lock and the vehicle body is solved, and better noise, vibration and acoustic and vibration roughness performance is achieved.
Patent Information
- Application Number
- CN202421285847.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-05
AI Technical Summary
In the prior art, the rigid connection between the lock and the vehicle body will cause the vibration of the closing part caused by unequal excitation of the road surface during the vehicle to be directly transmitted to the vehicle body, reducing the NVH performance of the vehicle.
A vibration-absorbing lock is designed, including a support member, a lock member, a flexible vibration isolation layer and a mounting member connecting the vehicle body. The flexible vibration isolation layer is arranged between the mounting member and the support member. Through the design of the plug-in hole and the installation hole, the effective installation and function of the flexible vibration isolation layer is realized.
It effectively prevents the vibration on the vehicle closing member from being transmitted to the vehicle body through the vibration-absorbing lock, improves the NVH performance of the vehicle, and adjusts the stiffness and damping of the lock by adjusting the composition and structure of the flexible vibration isolation layer, improves the problems of road noise and vehicle opening and closing member operation sound.
Smart Images

Figure CN222879469U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vehicle parts, and particularly relates to a vibration-damping lock buckle and a vehicle. Background Art
[0002] The opening and closing parts of the vehicle, such as the hood, door, trunk door, etc., are usually installed on the vehicle body by a lock assembly, and the lock assembly includes a detachable door lock and a lock. In the prior art, the lock is usually fixed to the vehicle body by bolts. At this time, since the lock and the vehicle body are rigidly connected together, the vibration of the closing parts caused by uneven excitation of the road surface during the vehicle driving process will be directly transmitted to the vehicle body through the door lock and the lock, thereby reducing the NVH (Noise, Vibration, Harshness) performance of the vehicle. Utility Model Content
[0003] The utility model aims to solve the technical problem that the rigid connection between the rigid lock buckle and the vehicle body in the prior art may reduce the NVH performance of the vehicle, and proposes a vibration-damping lock buckle and a vehicle.
[0004] In order to solve the above problems, an embodiment of the utility model provides a vibration-damping lock, including a support member, a locking member, a flexible vibration isolation layer, and a mounting member connected to a vehicle body; the locking member and the flexible vibration isolation layer are both installed on the support member; a plug hole is provided on the flexible vibration isolation layer, and the mounting member is connected to the support member through the plug hole.
[0005] Optionally, the flexible vibration isolation layer is provided with an adjustment hole for adjusting the mode of the vibration-damping lock buckle.
[0006] Optionally, the support member includes a support body and an annular flange arranged on the support body and enclosing an installation space, and the flexible vibration isolation layer is installed in the installation space.
[0007] Optionally, a mounting hole is provided on the mounting member, and the mounting member is connected to the vehicle body via a fixing member passing through the mounting hole.
[0008] Optionally, the locking member includes a first connecting section, a bending section and a second connecting section connected in sequence; the first connecting section and the second connecting section are connected to the supporting member at one end away from the bending section, and a locking hole is formed between the first connecting section, the bending section, the second connecting section and the supporting member.
[0009] Optionally, the flexible vibration isolation layer comprises a first flexible vibration isolation layer and a second flexible vibration isolation layer respectively arranged at opposite ends of the support member, and the plug hole comprises a first through hole arranged on the first flexible vibration isolation layer and a second through hole arranged on the second flexible vibration isolation layer;
[0010] The mounting member includes a first mounting plate and a second mounting plate. The first mounting plate is connected to the support member through the first through hole, and the second mounting plate is connected to the support member through the second through hole.
[0011] Optionally, the flexible vibration isolation layer is a rubber layer.
[0012] Optionally, the flexible vibration isolation layer, the support member and the mounting member are an integral vulcanized structure.
[0013] Optionally, the locking member and the supporting member are integrally formed.
[0014] Optionally, the locking member is welded or riveted to the supporting member.
[0015] Another embodiment of the utility model also provides a vehicle, including a vehicle body, a locking member, an opening and closing member rotatably mounted on the vehicle body, and the above-mentioned vibration-damping lock; the vibration-damping lock is mounted on the vehicle body through the mounting member, the locking member is mounted on the opening and closing member, and the vibration-damping lock is used to unlock or lock with the locking member to achieve opening or closing between the opening and closing member and the vehicle body.
[0016] In the utility model, the vibration-damping lock includes a support, a lock, a flexible vibration-insulating layer and a mounting part connected to the vehicle body; the lock and the flexible vibration-insulating layer are both mounted on the support; the flexible vibration-insulating layer is provided with a plug hole, and the mounting part is connected to the support through the plug hole. Since the flexible vibration-insulating layer is arranged between the mounting and the support, the flexible vibration-insulating layer can effectively prevent the vibration on the vehicle closing part from being transmitted to the vehicle body through the vibration-damping lock, thereby improving the NVH (Noise, Vibration, Harshness, i.e., noise, vibration and acoustic roughness) performance of the vehicle. In addition, the stiffness, damping, and vibration isolation rate of the vibration-damping lock can be adjusted by adjusting the composition, structural shape, size, etc. of the flexible vibration-insulating layer, so as to achieve the modal frequency and isolation, and attenuation of the vibration of the vehicle opening and closing parts caused by the unequal excitation of the road surface, thereby improving the NVH problems such as the large low-frequency roar of road noise and the large operation sound of the vehicle opening and closing parts. In addition, the vibration-damping lock has fewer parts, low manufacturing cost, and light weight. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0018] Figure 1 A schematic structural diagram of a vibration-damping lock provided in one embodiment of the utility model.
[0019] The reference numerals in the specification are as follows:
[0020] 1. Support part; 2. Mounting part; 21. Mounting hole; 3. Locking part; 4. Flexible vibration isolation layer; 41. Adjustment hole. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0022] It should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", and "middle" are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the utility model and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations of the utility model.
[0023] like Figure 1 As shown, a vibration-damping lock provided by the first embodiment of the utility model comprises a support member 1, a locking member 3, a flexible vibration-isolating layer 4, and a mounting member 2 connected to the vehicle body; the locking member 3 and the flexible vibration-isolating layer 4 are both mounted on the support member 1; a plug-in hole is provided on the flexible vibration-isolating layer 4, and the mounting member 2 is connected to the support member 1 through the plug-in hole. It can be understood that the vibration-damping lock is mounted on the vehicle body through the mounting member 2, and the flexible vibration-isolating layer 4 can be formed on the support member 1 by a vulcanization process of rubber; the locking member 3 is welded or riveted to the support member 1. Preferably, the locking member 3 and the support member 1 are integrally formed.
[0024] In the utility model, the vibration-damping lock comprises a support member 1, a lock member 3, a flexible vibration-insulating layer 4 and a mounting member 2 connected to the vehicle body; the lock member 3 and the flexible vibration-insulating layer 4 are both mounted on the support member 1; the flexible vibration-insulating layer 4 is provided with a plug hole, and the mounting member 2 is connected to the support member 1 through the plug hole. Since the flexible vibration-insulating layer 4 is arranged between the mounting member 2 and the support member 1, the flexible vibration-insulating layer 4 can effectively prevent the vibration on the vehicle closing member from being transmitted to the vehicle body through the vibration-damping lock, thereby improving the NVH (Noise, Vibration, Harshness, i.e., noise, vibration and acoustic roughness) performance of the vehicle. In addition, the stiffness, damping, and vibration isolation rate modal of the vibration-damping lock can be adjusted by adjusting the composition, structural shape, size, etc. of the flexible vibration-insulating layer 4, so as to achieve modal frequency and isolation, and attenuation of the vibration of the vehicle opening and closing member caused by unequal excitation of the road surface, thereby improving NVH problems such as large low-frequency roar of road noise and large operation sound of the vehicle opening and closing member. In addition, the vibration-damping lock has fewer parts, low manufacturing cost and light weight.
[0025] In one embodiment, if Figure 1 As shown, the flexible vibration isolation layer 4 is provided with an adjustment hole 41 for adjusting the mode of the vibration-damping lock. It can be understood that the stiffness, damping, and vibration isolation rate of the vibration-damping lock can also be adjusted by adjusting the number, size, and position of the adjustment holes 41, so as to further achieve the modal frequency and isolation, and attenuate the vibration of the vehicle opening and closing parts caused by the unequal excitation of the road surface, and further improve the NVH problems such as the large low-frequency roar of road noise and the large operation sound of the vehicle opening and closing parts.
[0026] In one embodiment, the support member 1 includes a support body and an annular convex edge (not shown in the figure) arranged on the support body and enclosing an installation space, and the flexible vibration isolation layer 4 is installed in the installation space. In this embodiment, the annular convex portion is arranged around the flexible vibration isolation layer 4, and the annular convex portion protrudes toward the outside, so that the annular convex portion can protect the flexible vibration isolation layer 4, avoid the intrusion of the external environment on the flexible vibration isolation layer 4 as much as possible, and extend the service life of the vibration-damping lock buckle.
[0027] In one embodiment, if Figure 1 As shown, the mounting member is provided with a mounting hole 21, and the mounting member is connected to the vehicle body through a fixing member (screw, bolt, etc.) passing through the mounting hole 21. It can be understood that after the vibration-damping lock buckle is docked with the mounting portion on the vehicle body, the fixing member is passed through the mounting hole 21 and fixed to the vehicle body, so that the vibration-damping lock buckle is fixed to the vehicle body through the fixing member passing through the mounting hole 21. In this embodiment, the design of the mounting hole 21 improves the convenience of disassembly and assembly between the vibration-damping lock buckle and the vehicle body.
[0028] In one embodiment, if Figure 1 As shown, the locking member 3 includes a first connecting section, a bending section, and a second connecting section connected in sequence; the first connecting section and the second connecting section are connected to the support member 1 at one end away from the bending section, and a locking hole is formed between the first connecting section, the bending section, the second connecting section, and the support member 1. It can be understood that the first connecting section and the second connecting section both extend outward, and the bending section is connected between the first connecting section and the second connecting section. In this embodiment, a locking member adapted to the locking ring is provided on the vehicle opening and closing member, and when the vehicle opening and closing member is closed on the vehicle body, the locking member is locked with the locking hole of the locking member 3. In this embodiment, the vibration-damping lock has a simple structure and low manufacturing cost.
[0029] In one embodiment, if Figure 1As shown, the flexible vibration isolation layer 4 includes a first flexible vibration isolation layer and a second flexible vibration isolation layer respectively arranged at opposite ends of the support member 1, and the plug-in hole includes a first through hole arranged on the first flexible vibration isolation layer and a second through hole arranged on the second flexible vibration isolation layer; the mounting member 2 includes a first mounting plate and a second mounting plate, the first mounting plate is connected to the support member 1 through the first through hole, and the second mounting plate is connected to the support member 1 through the second through hole.
[0030] It can be understood that the first mounting plate and the second mounting plate are both provided with mounting holes 21, and the vibration-damping lock buckle is installed on the vehicle body through the first mounting plate and the second mounting plate, thereby ensuring the stability of the vibration-damping lock buckle installed on the vehicle body. In this embodiment, the first flexible vibration-insulating layer can play a vibration-damping role between the first mounting plate and the support member 1, and the second flexible vibration-insulating layer can play a vibration-damping role between the second mounting plate and the support member 1, further improving the vibration-damping performance of the vibration-damping lock buckle.
[0031] In one embodiment, the flexible vibration isolation layer 4 is a rubber layer, and the flexible vibration isolation layer 4, the support member 1 and the mounting member 2 are an integral vulcanized structure. It can be understood that the flexible vibration isolation layer 4 is not only attached to the support member 1, but also attached to the mounting member 2, further improving the vibration reduction effect of the flexible vibration isolation layer 4 between the mounting member 2 and the support member 1.
[0032] Another embodiment of the utility model also provides a vehicle, including a vehicle body (not shown in the figure), a locking member (not shown in the figure), an opening and closing member rotatably mounted on the vehicle body (not shown in the figure), and the above-mentioned vibration-damping lock; the vibration-damping lock is mounted on the vehicle body through the mounting member 2, the locking member is mounted on the opening and closing member, and the vibration-damping lock is used to unlock or lock with the locking member to achieve opening or closing between the opening and closing member and the vehicle body.
[0033] It can be understood that the opening and closing parts include but are not limited to vehicle doors, hoods, trunks, etc., and the opening and closing parts are rotatably mounted on the vehicle body; when the opening and closing parts are closed on the vehicle body, the locking parts are locked with the locking parts 3 of the vibration-damping lock; when the locking parts are disengaged from the locking parts 3, the opening and closing parts can be opened from the vehicle body.
[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A vibration-damping lock, characterized in that: It includes a support member, a locking member, a flexible vibration isolation layer, and a mounting member connected to the vehicle body; the locking member and the flexible vibration isolation layer are both mounted on the support member; a plug hole is provided on the flexible vibration isolation layer, and the mounting member is connected to the support member through the plug hole.
2. The vibration-damping lock buckle according to claim 1, characterized in that: The flexible vibration isolation layer is provided with an adjustment hole for adjusting the mode of the vibration-damping lock buckle.
3. The vibration-damping lock buckle according to claim 1, characterized in that: The support member comprises a support body and an annular convex edge which is arranged on the support body and surrounds an installation space, and the flexible vibration isolation layer is installed in the installation space.
4. The vibration-damping lock buckle according to claim 1, characterized in that: The mounting member is provided with a mounting hole, and the mounting member is connected to the vehicle body via a fixing member passing through the mounting hole.
5. The vibration-damping lock buckle according to claim 1, characterized in that: The locking member includes a first connecting section, a bending section and a second connecting section connected in sequence; the first connecting section and the second connecting section are connected to the support member at one end away from the bending section, and a locking hole is formed between the first connecting section, the bending section, the second connecting section and the support member.
6. The vibration-damping lock buckle according to claim 1, characterized in that: The flexible vibration isolation layer comprises a first flexible vibration isolation layer and a second flexible vibration isolation layer respectively arranged at opposite ends of the support member, and the plug hole comprises a first through hole arranged on the first flexible vibration isolation layer and a second through hole arranged on the second flexible vibration isolation layer; The mounting member includes a first mounting plate and a second mounting plate. The first mounting plate is connected to the support member through the first through hole, and the second mounting plate is connected to the support member through the second through hole.
7. The vibration-damping lock buckle according to claim 1, characterized in that: The flexible vibration isolation layer is a rubber layer.
8. The vibration-damping lock buckle according to claim 1, characterized in that: The flexible vibration isolation layer, the support component and the mounting component are an integral vulcanized structure.
9. The vibration-damping lock buckle according to claim 1, characterized in that: The locking member and the supporting member are integrally formed; or The locking member is welded or riveted to the supporting member.
10. A vehicle, characterized in that: It comprises a vehicle body, a locking member, an opening and closing member rotatably mounted on the vehicle body, and a vibration-damping lock as described in any one of claims 1 to 9; the vibration-damping lock is mounted on the vehicle body through the mounting member, the locking member is mounted on the opening and closing member, and the vibration-damping lock is used to unlock or lock with the locking member to achieve opening or closing between the opening and closing member and the vehicle body.