CN211042376U - Damping formula automobile exhaust emission pipeline installation component - Google Patents
Damping formula automobile exhaust emission pipeline installation component Download PDFInfo
- Publication number
- CN211042376U CN211042376U CN201922127417.5U CN201922127417U CN211042376U CN 211042376 U CN211042376 U CN 211042376U CN 201922127417 U CN201922127417 U CN 201922127417U CN 211042376 U CN211042376 U CN 211042376U
- Authority
- CN
- China
- Prior art keywords
- fixed
- fixing
- plate
- flowmeter
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a damping formula automobile exhaust emission pipeline installation component, including the fixed frame of tail gas pipe, first fixed frame, second, mount, elastic damping mechanism and flowmeter, wherein: the first fixing frame and the second fixing frame form a first fixing space, and the first fixing space is used for fixing a bumper of an automobile; the fixed frame is fixed on the first fixed frame, the fixed frame and the second fixed frame form a second fixed space, the flowmeter is installed in the second fixed space, the elastic vibration damping mechanism is arranged on the fixed frame and used for adjusting the size of the second fixed space and used for fixing the flowmeter, and the tail gas pipe is communicated with the flowmeter. According to the damping type automobile exhaust emission pipeline installation assembly, the flowmeter is elastically fixed in the second fixed space through the elastic damping mechanism, and when the automobile vibrates, the elastic damping mechanism generates corresponding deformation to slow down the vibration of the flowmeter and increase the measurement precision of the flowmeter.
Description
Technical Field
The utility model relates to an automobile exhaust emission equipment technical field especially relates to a damping formula automobile exhaust emission pipeline installation component.
Background
With the improvement of living standard of people, automobiles are more and more popular as transportation means, and household automobiles, freight automobiles, passenger cars and the like fly on roads. The exhaust gas generated by gasoline combustion of an automobile in the moving process is discharged through an exhaust pipe, and the emission of automobile exhaust becomes a concern of people along with the attention of people on the natural environment. The gas flow meter in the vehicle-mounted emission detecting apparatus needs to be connected to an exhaust pipe of the automobile and mounted outside the automobile.
The authorization publication number is: chinese patent CN208291105U, entitled "fixing device for gas flowmeter" and entitled "fixing device for gas flowmeter" as published by the title of 2018.12.28, discloses a fixing device for fixing a flowmeter, which has the disadvantages that the fixing device and the flowmeter are fixed directly to a fixing frame, and when an automobile vibrates to drive the flowmeter to vibrate correspondingly to internal parts of the flowmeter, the internal assembly of the flowmeter becomes loose, so that the measurement accuracy becomes small, and the measurement error becomes large gradually.
SUMMERY OF THE UTILITY MODEL
For the technical problem who exists among the solution background art, the utility model provides a damping formula automobile exhaust emission pipeline installation component.
The utility model provides a pair of damping formula automobile exhaust emission pipeline installation component, including the fixed frame of first fixed frame, second, mount, elasticity damping mechanism, tail gas pipe and flowmeter, wherein:
the first fixing frame and the second fixing frame form a first fixing space, and the first fixing space is used for fixing a bumper of an automobile;
the fixed frame is fixed on the first fixed frame, the fixed frame and the second fixed frame form a second fixed space, the flowmeter is installed in the second fixed space, the elastic vibration damping mechanism is arranged on the fixed frame and used for adjusting the size of the second fixed space and used for fixing the flowmeter, and the tail gas pipe is communicated with the flowmeter.
As the utility model discloses the scheme of further optimization, the mount includes two fixed plates and two backup pads, and two vertical relative installations of fixed plate are on first fixed frame, and two backup pads are horizontal relative installations between two fixed plates.
As the utility model discloses the scheme of further optimization, elasticity damping mechanism includes first elasticity damping piece and second elasticity damping piece, and first elasticity damping piece and second elasticity damping piece are installed respectively on fixed plate and backup pad and are used for horizontal size and the vertical size that is used for adjusting the second fixed space respectively.
As the utility model discloses further optimized scheme, first elastic damping spare and second elastic damping spare all include pivot, elastic component, support sliding plate and rotation sliding plate, wherein:
the support sliding plate and the rotating sliding plate are both arranged on the support plate or the fixed plate in a sliding mode, the rotating sliding plate is fixed on the rotating shaft, the rotating shaft is arranged on the support sliding plate in a rotating mode, the support sliding plate and the rotating sliding plate move in opposite directions relative to the support plate or the fixed plate, the elastic piece is fixed between the support sliding plate and the rotating sliding plate, and the highest point of the support sliding plate is provided with a support plane for supporting the flowmeter.
As a further preferred aspect of the present invention, the elastic member is a spring.
As the utility model discloses the scheme of further optimization still includes drive mechanism, and drive mechanism installs between the pivot of first elasticity damping piece and the pivot of second elasticity damping piece and is used for driving two pivot linkages.
As a further optimized scheme of the utility model, when one rotating shaft rotates the second fixed space to be transversely enlarged, the transmission mechanism drives the other rotating shaft to rotate so as to ensure that the second fixed space is vertically small; when one rotating shaft rotates to enable the second fixed space to be vertically enlarged, the transmission mechanism drives the other rotating shaft to rotate to enable the second fixed space to be transversely reduced.
As a further optimized proposal of the utility model, the transmission mechanism is a belt transmission mechanism.
As the utility model discloses the scheme of further optimization, backup pad slidable mounting is on the fixed plate, and the backup pad can slide from top to bottom for the fixed plate, and the backup pad passes through the mounting with the fixed plate and fixes.
The utility model discloses in, damping formula automobile exhaust emission pipeline installation component that provides, elasticity damping mechanism make flowmeter elasticity fix in the fixed space of second, and when the automobile takes place to vibrate, elasticity damping mechanism takes place corresponding deformation and slows down the vibration of flowmeter, and then reduces not hard up of flowmeter internal assembly, increases its measurement accuracy.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the structure schematic diagram after the flow meter is detached.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-2, a damping type automobile exhaust emission pipeline installation component comprises a first fixed frame 1, a second fixed frame 2, a fixed frame 3, an elastic damping mechanism, an exhaust pipe 15 and a flowmeter 4, wherein:
the first fixed frame 1 and the second fixed frame 2 form a first fixed space 6, the first fixed space 6 being used for fixing a bumper 5 of an automobile;
the fixing frame 3 comprises two fixing plates 30 and two supporting plates 31, the two fixing plates 30 are vertically and oppositely arranged on the first fixing frame 1, the two supporting plates 31 are transversely and oppositely arranged between the two fixing plates 30, the fixing frame 3 and the second fixing frame 2 form a second fixing space 7, the flowmeter 4 is arranged in the second fixing space 7, the elastic vibration reduction mechanism is arranged on the fixing frame 3 and used for adjusting the size of the second fixing space 7 to fix the flowmeter, and the tail gas pipe 15 is communicated with the flowmeter 4;
the elastic vibration damping mechanism comprises a first elastic vibration damping part 8 and a second elastic vibration damping part 9, wherein the first elastic vibration damping part 8 and the second elastic vibration damping part 9 are respectively installed on the fixing plate 30 and the supporting plate 31 and are respectively used for adjusting the transverse size and the vertical size of the second fixing space 7;
the first elastic damping member 8 and the second elastic damping member 9 each comprise a rotation shaft 10, an elastic member 11, a support sliding plate 12 and a rotation sliding plate 13, wherein:
the support sliding plate 12 and the rotation sliding plate 13 are both slidably mounted on the support plate 31 or the fixed plate 30, the rotation sliding plate 13 is fixed on the rotating shaft 10, the rotating shaft 10 is rotatably mounted on the support sliding plate 12, the support sliding plate 12 and the rotation sliding plate 13 move in opposite directions relative to the support plate 31 or the fixed plate 30, the elastic element 11 is a spring, the spring 11 is fixed between the support sliding plate 12 and the rotation sliding plate 13, the highest point of the support sliding plate 12 is provided with a support plane for supporting the flowmeter 4, and the support sliding plate 12 abuts against the flowmeter to prevent the flowmeter 4 from separating from the second fixed space 7;
the device is characterized by further comprising a belt transmission mechanism, wherein the belt transmission mechanism is arranged between the rotating shaft 10 of the first elastic vibration damping part 8 and the rotating shaft 10 of the second elastic vibration damping part and used for driving the two rotating shafts 10 to be linked, the belt transmission mechanism comprises a transmission belt 16, a first belt pulley 17 and a second belt pulley 18, the first belt pulley 17 and the second belt pulley are respectively fixed on the two rotating shafts 10, the transmission belt 16 is sleeved on the first belt pulley 17 and the second belt pulley 18, and when one rotating shaft 10 rotates the transverse enlargement of the second fixing space 7, the belt transmission mechanism drives the other rotating shaft 10 to rotate so that the vertical direction of the second fixing space 7 is small; when one rotating shaft 10 rotates to make the second fixed space 7 vertically enlarged, the transmission mechanism drives the other rotating shaft 10 to rotate to make the second fixed space 7 transversely reduced;
the supporting plate 31 is slidably mounted on the fixing plate 30, the supporting plate 31 can slide up and down relative to the fixing plate 30, the supporting plate 31 and the fixing plate 30 are fixed by the fixing member 14, the fixing plate 30 is provided with a plurality of mounting holes 300, the fixing member 14 fixes the fixing plate 30 and the supporting plate 31 by the mounting holes 300, and the fixing member 14 can be a screw.
In the working process of the embodiment, when the automobile vibrates and the flowmeter presses the support sliding plate 12, the rotary sliding plate 13 rotates relative to the support sliding plate 12, the rotary sliding plate 13 and the support sliding plate 12 move in opposite directions, the elastic piece 11 is stretched to generate a vibration damping effect on the flowmeter 4, and the influence of the automobile vibration on the accuracy of the flowmeter 4 is reduced; when the flowmeter 4 moves downwards along with the vibration, the flowmeter 4 extrudes the second elastic vibration damping member 9 which is slidably mounted with the support plate 31, so that the rotating sliding plate 13 and the support sliding plate 12 of the second elastic vibration damping member 9 move away from each other, a gap is formed between the flowmeter and the top of the second fixed space 7, and meanwhile, the rotating shaft 10 of the second elastic vibration damping member 9 drives the rotating shaft 10 of the first elastic vibration damping member 8 to rotate so that the rotating sliding plate 13 and the support sliding plate 12 of the first elastic vibration damping member 8 move close to each other, so that the highest transverse extrusion force of the support sliding plate 12 of the first elastic vibration damping member 8 on the flowmeter 4 is larger, and the flowmeter 4 is prevented from separating from the second fixed space 7.
In the embodiment, it is preferable that the fixing frame 3 includes two fixing plates 30 and two supporting plates 31, the two fixing plates 30 are vertically installed on the first fixing frame 1 in an opposite manner, and the two supporting plates 31 are horizontally installed between the two fixing plates 30 in an opposite manner, so as to facilitate installation of the flow meter 4.
In this embodiment, it is preferable that the elastic vibration damping mechanism includes a first elastic vibration damping member 8 and a second elastic vibration damping member 9, the first elastic vibration damping member 8 and the second elastic vibration damping member 9 are respectively installed on the fixing plate 30 and the support plate 31 and are respectively used for adjusting the horizontal size and the vertical size of the second fixing space 7, when the automobile vibrates horizontally or vertically, the first elastic vibration damping member 8 and the second elastic vibration damping member 9 deform correspondingly to reduce the influence of the vibration on the accuracy of the flowmeter and ensure that the flowmeter 4 does not separate from the second fixing space 7.
In the present exemplary embodiment, the first elastic damping element 8 and the second elastic damping element 9 each comprise a rotary shaft 10, an elastic element 11, a support slide plate 12 and a rotary slide plate 13, wherein:
the support sliding plate 12 and the rotation sliding plate 13 are both slidably mounted on the support plate 31 or the fixed plate 30, the rotation sliding plate 13 is fixed on the rotating shaft 10, the rotating shaft 10 is rotatably mounted on the support sliding plate 12, the support sliding plate 12 and the rotation sliding plate 13 move in opposite directions relative to the support plate 31 or the fixed plate 30, the elastic member 11 is fixed between the support sliding plate 12 and the rotation sliding plate 13, the highest point of the support sliding plate 12 has a support plane for supporting the flowmeter 4, when the flowmeter presses the support sliding plate 12 when the automobile vibrates, the rotation sliding plate 13 rotates relative to the support sliding plate 12, the rotation sliding plate 13 and the support sliding plate 12 move in opposite directions, the elastic member 11 is stretched, and the flowmeter 4 is damped.
The elastic member 11 functions to move relative to the fixed plate 30 or the support plate 31 when the pressing force between the support sliding plate 12 and the rotating sliding plate 13 is sufficiently large, and the elastic member 11 in this embodiment is a spring.
In this embodiment, it is preferable that the flowmeter further includes a transmission mechanism, the transmission mechanism is installed between the rotating shaft 10 of the first elastic vibration damping member 8 and the rotating shaft 10 of the second elastic vibration damping member and is used for driving the two rotating shafts 10 to link, and when the flowmeter 4 adjusts the condition that the first elastic vibration damping member 8 and the second elastic vibration damping member 9 collide with the flowmeter 4 in the process of vehicle vibration, the flowmeter 4 is prevented from being separated from the second fixing space 7 in the vibration.
In this embodiment, preferably, when one rotating shaft 10 rotates to increase the lateral size of the second fixing space 7, the transmission mechanism drives the other rotating shaft 10 to rotate so as to decrease the vertical size of the second fixing space 7; when one rotating shaft 10 rotates to make the second fixed space 7 vertically enlarged, the transmission mechanism drives the other rotating shaft 10 to rotate to make the second fixed space 7 transversely reduced, that is, when the automobile vibrates, the flowmeter 4 moves downward with the vibration, the flowmeter 4 presses the second elastic vibration damping member 9 slidably mounted with the support plate 31, so that the rotary sliding plate 13 and the support sliding plate 12 of the second elastic vibration damping member 9 make a movement away from each other, the flowmeter forms a gap with the top of the second fixed space 7, meanwhile, the rotating shaft 10 of the second elastic vibration damping member 9 drives the rotating shaft 10 of the first elastic vibration damping member 8 to rotate, so that the rotating sliding plate 13 and the supporting sliding plate 12 of the first elastic vibration damping member 8 move close to each other, and the highest transverse extrusion force of the supporting sliding plate 12 of the first elastic vibration damping member 8 on the flowmeter 4 is larger, so that the flowmeter 4 is prevented from being separated from the second fixed space 7.
In this embodiment, it is preferable that the transmission mechanism is a mechanism for driving the two rotating shafts to link, and the transmission mechanism in this embodiment is a belt transmission mechanism, preferably a belt and a belt wheel with teeth, and is convenient to mount and high in transmission precision.
In the present embodiment, it is preferable that the support plate 31 is slidably mounted on the fixing plate 30, the support plate 31 is slidable up and down with respect to the fixing plate 30, the support plate 31 and the fixing plate 30 are fixed by the fixing member 14, and the size of the second fixing space 7 can be adjusted according to the flowmeters 4 of different sizes.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a damping formula automobile exhaust emission pipeline installation component, its characterized in that, includes the fixed frame of first (1), the fixed frame of second (2), mount (3), elastic damping mechanism, tail gas pipe (15) and flowmeter (4), wherein:
the first fixing frame (1) and the second fixing frame (2) form a first fixing space (6), and the first fixing space (6) is used for fixing a bumper (5) of an automobile;
on fixed first fixed frame (1) of mount (3), fixed frame (3) and the fixed frame of second (2) form second fixed space (7), and flowmeter (4) are installed in second fixed space (7), and the size that elastic damping mechanism established on mount (3) and is used for adjusting second fixed space (7) is used for fixed flowmeter (4), and tail gas pipe (15) and flowmeter (4) intercommunication.
2. A vibration damping mounting assembly for automobile exhaust pipes according to claim 1, characterized in that the mounting frame (3) comprises two fixing plates (30) and two support plates (31), the two fixing plates (30) being vertically installed on the first fixing frame (1) in opposite relation to each other, and the two support plates (31) being horizontally installed between the two fixing plates (30) in opposite relation to each other.
3. A vibration damping mounting assembly for vehicle exhaust lines according to claim 2, characterised in that the elastic damping means comprise a first elastic damping member (8) and a second elastic damping member (9), the first elastic damping member (8) and the second elastic damping member (9) being mounted on the fixing plate (30) and the support plate (31) respectively and being adapted to adjust the transverse and vertical dimensions of the second fixing space (7) respectively.
4. A vibration damping type automobile exhaust emission line installation assembly according to claim 3, wherein each of the first elastic vibration damping member (8) and the second elastic vibration damping member (9) comprises a rotation shaft (10), an elastic member (11), a support sliding plate (12) and a rotation sliding plate (13), wherein:
the support sliding plate (12) and the rotation sliding plate (13) are arranged on the support plate (31) or the fixed plate (30) in a sliding mode, the rotation sliding plate (13) is fixed on the rotating shaft (10), the rotating shaft (10) is arranged on the support sliding plate (12) in a rotating mode, the support sliding plate (12) and the rotation sliding plate (13) move in opposite directions relative to the support plate (31) or the fixed plate (30), the elastic piece (11) is fixed between the support sliding plate (12) and the rotation sliding plate (13), and the highest point of the support sliding plate (12) is provided with a support plane for supporting the flowmeter (4).
5. A vibration damping mounting assembly for an automobile exhaust pipe according to claim 4, wherein the resilient member (11) is a spring.
6. A vibration damping type automobile exhaust emission pipeline installation assembly according to claim 4, further comprising a transmission mechanism, wherein the transmission mechanism is installed between the rotating shaft (10) of the first elastic vibration damping member (8) and the rotating shaft (10) of the second elastic vibration damping member (9) and is used for driving the two rotating shafts (10) to be linked.
7. A vibration damping type automobile exhaust emission pipeline installation assembly according to claim 6, characterized in that when one rotating shaft (10) rotates the second fixed space (7) to be horizontally enlarged, the transmission mechanism drives the other rotating shaft (10) to rotate to make the second fixed space (7) be vertically small; when one rotating shaft (10) rotates to enable the second fixed space (7) to be vertically enlarged, the transmission mechanism drives the other rotating shaft (10) to rotate to enable the second fixed space (7) to be transversely reduced.
8. A vibration damping mounting assembly for an automotive exhaust system according to claim 6 in which the transmission is a belt transmission.
9. A vibration damping type automobile exhaust emission pipeline installation assembly according to any one of claims 2-8, characterized in that the support plate (31) is slidably installed on the fixing plate (30), the support plate (31) can slide up and down relative to the fixing plate (30), and the support plate (31) and the fixing plate (30) are fixed through the fixing member (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127417.5U CN211042376U (en) | 2019-11-29 | 2019-11-29 | Damping formula automobile exhaust emission pipeline installation component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127417.5U CN211042376U (en) | 2019-11-29 | 2019-11-29 | Damping formula automobile exhaust emission pipeline installation component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211042376U true CN211042376U (en) | 2020-07-17 |
Family
ID=71567175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922127417.5U Active CN211042376U (en) | 2019-11-29 | 2019-11-29 | Damping formula automobile exhaust emission pipeline installation component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211042376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044114A (en) * | 2019-11-29 | 2020-04-21 | 安徽中鼎流体系统有限公司 | Damping formula automobile exhaust emission pipeline installation component |
-
2019
- 2019-11-29 CN CN201922127417.5U patent/CN211042376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044114A (en) * | 2019-11-29 | 2020-04-21 | 安徽中鼎流体系统有限公司 | Damping formula automobile exhaust emission pipeline installation component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211042376U (en) | Damping formula automobile exhaust emission pipeline installation component | |
| CN202242984U (en) | Middle supporting device for transmission shaft | |
| CN111044114A (en) | Damping formula automobile exhaust emission pipeline installation component | |
| CN204020470U (en) | Height sensor mounting bracket and electric suspension system and vehicle for vehicle | |
| CN201078271Y (en) | Air-conditioner compressor supporting frame for automobile | |
| CN110894806B (en) | Automobile exhaust pipeline installation assembly stable in connection | |
| CN100465001C (en) | Vehicle separated suspension | |
| CN211808894U (en) | Simple suspension with compact structure and movable platform adopting same | |
| CN101560969B (en) | Compressor driving device of bus with air conditioner | |
| CN210480754U (en) | Quick installing support of hardcover board | |
| CN207291647U (en) | A kind of novel damping suspension | |
| CN203132767U (en) | Damping mechanism of single-pointer air pressure gauge | |
| CN110954177A (en) | Automobile exhaust gas exhaust pipeline installation device | |
| CN207036444U (en) | A kind of dynamic vibration absorber intrinsic frequency test fixture | |
| CN206644610U (en) | A kind of mounting bracket of automobile air conditioner compressor | |
| CN207798230U (en) | A kind of truck wheel weight monitor station | |
| CN101762456B (en) | Wiper brush piece movement friction coefficient simulation test device | |
| CN209634269U (en) | Picking-up vehicle engine mounting installing mechanism | |
| CN218616897U (en) | Polydicyclopentadiene engine cover | |
| CN209587365U (en) | A kind of air-conditioning duct bracket | |
| CN206679157U (en) | A kind of mounting bracket of light motorcycle electrodeless variable-speed engine | |
| CN213121127U (en) | Automobile noise reduction detection device | |
| CN215097340U (en) | Vehicle-mounted instrument buffering and damping structure | |
| CN218381628U (en) | Vibration testing device | |
| CN205588911U (en) | Transaxle mounting structure that swing arm formula non -independent hung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |