CN216043200U - Decoupling lock catch plate based on NVH design - Google Patents
Decoupling lock catch plate based on NVH design Download PDFInfo
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- CN216043200U CN216043200U CN202121837530.3U CN202121837530U CN216043200U CN 216043200 U CN216043200 U CN 216043200U CN 202121837530 U CN202121837530 U CN 202121837530U CN 216043200 U CN216043200 U CN 216043200U
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- metal
- lock catch
- decoupling
- nvh
- catch plate
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- 239000002184 metal Substances 0.000 claims abstract description 75
- 238000003466 welding Methods 0.000 claims abstract description 22
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 230000005284 excitation Effects 0.000 abstract description 6
- 238000010009 beating Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a decoupling lock catch plate based on NVH design, which belongs to the technical field of electric automobiles and comprises a metal base plate, wherein mounting holes are formed in two ends of the metal base plate, buffering pads are arranged at two ends of the metal base plate, the metal base plate is installed by arranging welding bolts on the buffering pads, the buffering pads are made of rubber, accommodating grooves are formed in the side wall of each buffering pad, the buffering pads are sleeved at two ends of the metal base plate, through holes are formed in the buffering pads in a matched mode with the mounting holes, steps are arranged at one ends of the through holes, a first metal gasket is arranged on each step, and annular grooves are formed in the first metal gasket and the bottoms of the buffering pads. The metal bottom plate and the automobile body metal plate are not rigidly connected any more through the arranged cushion pad, the cushion pad can buffer, the rubber decoupling buffer structure enables the vibration excitation of the automobile body not to be directly transmitted to the rear cover, and the NVH performance of the rear cover system can be improved.
Description
Technical Field
The utility model belongs to the technical field of electric automobiles, and particularly relates to a decoupling lock catch plate based on NVH design.
Background
The lock catch plate of the conventional rear cover is fixed on a metal bottom plate, the metal bottom plate is fixed on a metal plate of an automobile body through a bolt pair, and after the installation is finished, the lock catch plate and the automobile body are in a rigid connection state. The NVH performance of the vehicle is an index which is widely concerned by various large vehicle manufacturing enterprises and component enterprises in the international automobile industry. NVH, namely Noise, Vibration and Harshness (Noise, Vibration, Harshness), refers to the subjective feelings of a user to an automobile under a certain working condition, such as Vibration and rumbling Noise, and is a comprehensive performance index for measuring the manufacturing quality of the automobile. Because the hasp board and automobile body rigid connection together, the vibrations excitation of automobile body can be directly passed through the hasp board and transmit the rear cover, and the NVH performance of rear cover system can be comparatively poor. Therefore, a decoupling lock catch plate based on NVH design is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a decoupling lock catch plate based on NVH design, and aims to solve the problem that in the use process of the existing decoupling lock catch plate in the background art, because the lock catch plate is rigidly connected with a vehicle body, the vibration excitation of the vehicle body can be directly transmitted to a rear cover through the lock catch plate, and the NVH performance of a rear cover system is poor.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a decoupling zero hasp board based on NVH design, includes metal bottom plate, metal bottom plate's both ends all are provided with the mounting hole, metal bottom plate's both ends all are provided with the blotter, metal bottom plate passes through set up welding bolt on the blotter and install.
Preferably, the cushion pad is made of rubber.
Preferably, the side wall of the buffer pad is provided with a holding groove, so that the buffer pad is sleeved at two ends of the metal bottom plate.
Preferably, the cushion pad is provided with a through hole in cooperation with the mounting hole.
Preferably, one end of the through hole is provided with a step, and a first metal gasket is mounted on the step.
Preferably, the first metal gasket and the bottom of the buffer pad form an annular groove, and the inner wall of the annular groove is provided with a second metal gasket.
Preferably, one side of the second metal gasket, which is far away from the metal bottom plate, is provided with a vehicle body metal plate.
Preferably, one end of the welding bolt is provided with a vehicle body metal plate.
Preferably, the screw section of the welding bolt is arranged in the hole of the first metal washer.
Preferably, one end, far away from the automobile body panel beating, of the welding bolt is connected with an installation nut in a threaded mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. this decoupling lock catch plate based on NVH design, after fixed to the automobile body, no longer be rigid connection between automobile body and the lock catch plate, the blotter that sets up makes metal soleplate and automobile body panel beating no longer be rigid connection, the blotter can cushion, rubber decoupling zero buffer structure makes the vibrations excitation of automobile body can not directly transmit the back lid, can promote the NVH performance of back lid system.
2. The rear cover can effectively reduce vibration noise of the rear cover when the engine idles and rolling noise in the driving process by arranging the buffer cushion, effectively reduces impact load of the rear cover on an automobile body and rear cover sheet metal in the opening and closing process, can be suitable for different automobile types by adjusting rubber hardness, and has wide application range.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the mounting structure of the present invention.
In the figure: 1. a metal base plate; 2. a cushion pad; 3. a first metal washer; 4. a second metal washer; 5. a vehicle body metal plate; 6. welding a bolt; 7. and (6) mounting the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a decoupling zero hasp board based on NVH design, includes metal soleplate 1, and metal soleplate 1's both ends all are provided with the mounting hole, and metal soleplate 1's both ends all are provided with blotter 2, and metal soleplate 1 sets up welding bolt 6 through on the blotter 2 and installs.
In this embodiment, the welding bolt 6 is connected fixedly to automobile body panel beating 5 and metal bottom plate 1, and the blotter 2 that sets up makes metal bottom plate 1 and automobile body panel beating 5 no longer be the rigid connection, and blotter 2 can cushion, and rubber decoupling zero buffer structure makes the vibrations excitation of automobile body can not directly transmit the back lid.
Specifically, the cushion pad 2 is made of rubber.
In this embodiment, adopt rubber material to make blotter 2 can play the effect of buffering to metal soleplate 1 and automobile body panel beating 5, through the adjustment of rubber hardness, the part can be applicable to different motorcycle types.
Specifically, the holding tank has been seted up to the lateral wall of blotter 2, makes blotter 2 cup joint at the both ends of metal soleplate 1.
In this embodiment, the buffer pads 2 can be sleeved at two ends of the metal base plate 1 to buffer the metal base plate 1.
Specifically, the cushion pad 2 is provided with a through hole matching with the mounting hole.
In this embodiment, the through holes are provided in cooperation with the mounting holes, so that the welding bolts 6 can pass through the cushion pad 2.
Specifically, one end of the through hole is provided with a step, and a first metal gasket 3 is mounted on the step.
In this embodiment, a first metal washer 3 is disposed on the step for fixing.
Specifically, a ring groove is formed at the bottoms of the first metal gasket 3 and the buffer cushion 2, and a second metal gasket 4 is installed on the inner wall of the ring groove.
In this embodiment, the second metal washer 4 is disposed between the first metal washer 3 and the cushion pad 2.
Specifically, a vehicle body metal plate 5 is arranged on one side, away from the metal bottom plate 1, of the second metal gasket 4.
In this embodiment, the vehicle body metal plate 5 and the metal base plate 1 are connected and fixed by the welding bolt 6.
Specifically, one end of the welding bolt 6 is provided with a vehicle body metal plate 5.
In this embodiment, the vehicle body metal plate 5 is provided with the welding bolt 6.
Specifically, the screw section of the welding bolt 6 is arranged in the hole of the first metal washer 3.
In this embodiment, the screw section of the welding bolt 6 is in the inner hole of the first metal washer 3.
Specifically, one end of the welding bolt 6, which is far away from the vehicle body metal plate 5, is screwed with a mounting nut 7.
In this embodiment, the mounting nut 7 fixes the welding bolt 6.
The working principle and the using process of the utility model are as follows: welding bolt 6 is connected fixedly to automobile body panel beating 5 and metal bottom plate 1, and metal packing ring one 3 and metal packing ring two 4 are convenient for mounting nut 7 fixed welding bolt 6, and the blotter 2 that sets up makes metal bottom plate 1 and automobile body panel beating 5 no longer be rigid connection, and blotter 2 can cushion, and the rubber decoupling zero buffer structure makes the vibrations excitation of automobile body can directly not transmit the back lid, can promote the NVH performance of back lid system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a decoupling zero hasp board based on NVH design which characterized in that: including metal soleplate (1), the both ends of metal soleplate (1) all are provided with the mounting hole, the both ends of metal soleplate (1) all are provided with blotter (2), metal soleplate (1) passes through set up welding bolt (6) on blotter (2) and install.
2. The decoupling lock catch plate based on the NVH design is characterized in that: the buffer cushion (2) is made of rubber.
3. The decoupling lock catch plate based on the NVH design is characterized in that: the lateral wall of blotter (2) has seted up the holding tank, makes blotter (2) cup joint the both ends of metal soleplate (1).
4. The decoupling lock catch plate based on the NVH design is characterized in that: the cushion pad (2) is provided with a through hole in a matching manner.
5. The decoupling lock catch plate based on the NVH design is characterized in that: one end of the through hole is provided with a step, and a first metal gasket (3) is mounted on the step.
6. The decoupling lock catch plate based on the NVH design is characterized in that: and annular grooves are formed at the bottoms of the first metal gasket (3) and the cushion pad (2), and a second metal gasket (4) is arranged on the inner wall of each annular groove.
7. The decoupling lock catch plate based on the NVH design as claimed in claim 6, wherein: and a vehicle body metal plate (5) is arranged on one side, far away from the metal bottom plate (1), of the metal gasket II (4).
8. The decoupling lock catch plate based on the NVH design as claimed in claim 7, wherein: one end of the welding bolt (6) is provided with a vehicle body metal plate (5).
9. The decoupling lock catch plate based on the NVH design as claimed in claim 8, wherein: and the screw section of the welding bolt (6) is arranged in the hole of the first metal washer (3).
10. The decoupling latch plate based on NVH design as claimed in claim 9, characterized in that: and one end of the welding bolt (6) far away from the vehicle body metal plate (5) is screwed with a mounting nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121837530.3U CN216043200U (en) | 2021-08-06 | 2021-08-06 | Decoupling lock catch plate based on NVH design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121837530.3U CN216043200U (en) | 2021-08-06 | 2021-08-06 | Decoupling lock catch plate based on NVH design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043200U true CN216043200U (en) | 2022-03-15 |
Family
ID=80619493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121837530.3U Expired - Fee Related CN216043200U (en) | 2021-08-06 | 2021-08-06 | Decoupling lock catch plate based on NVH design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043200U (en) |
-
2021
- 2021-08-06 CN CN202121837530.3U patent/CN216043200U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |