CN212654158U - Adjusting mechanism for axle base of automobile axle - Google Patents
Adjusting mechanism for axle base of automobile axle Download PDFInfo
- Publication number
- CN212654158U CN212654158U CN202021350333.4U CN202021350333U CN212654158U CN 212654158 U CN212654158 U CN 212654158U CN 202021350333 U CN202021350333 U CN 202021350333U CN 212654158 U CN212654158 U CN 212654158U
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Abstract
The utility model belongs to the technical field of automobile suspension, and relates to an adjusting mechanism for the axle base of an automobile axle, which comprises a supporting plate, a pin shaft, a U-shaped gasket, a self-locking nut, a circular washer, an adjusting bolt and an adjusting nut; the U-shaped gasket is matched with the internal structure of the supporting plate and is arranged in the supporting plate; the pin shaft penetrates through the support plate and is fixed through a self-locking nut; the adjusting bolt penetrates through the supporting plate and the U-shaped gasket; the axial direction of the adjusting bolt is vertical to the axial direction of the pin shaft; an adjusting nut is arranged on the adjusting bolt; the adjusting nut drives the pin shaft to move along the axial direction of the adjusting bolt through the U-shaped gasket. The utility model provides an adjust convenient and reliable, adjusting part few and simple structure's automobile axle wheel base's adjustment mechanism.
Description
Technical Field
The utility model belongs to the technical field of the car hangs, a wheel base adjustment mechanism is related to, especially, relate to an adjustment mechanism of car axletree wheel base.
Background
The automobile suspension system is a general term for all force-transmitting connecting devices between a frame and an axle or a wheel, and has the functions of transmitting force and moment acting between the wheel and the frame, buffering impact force transmitted to the frame or an automobile body from an uneven road surface and attenuating vibration caused by the impact force so as to ensure that the automobile can run smoothly.
Most of the existing automobile suspension systems adopt a steel plate spring suspension. Due to the requirements of GB7258-2017, three-axle cabin fence and railing panel type semitrailers must be matched with a disc brake and an air suspension from 1 month 1 in 2020. The use of air suspensions will be more and more, but no matter what type, in order to reduce the influence on the driving performance of the vehicle and the service life of tires, the distances between axles should be ensured to be equal and parallel, so an adjusting mechanism capable of realizing fine adjustment of the wheel base needs to be designed, the fine adjustment of the parallelism and the wheel base of the axle is carried out when the vehicle is installed and debugged, and the optimal use state of a suspension axle system is ensured. The wheelbase adjusting mechanisms mainly adopted by air suspension of semi-trailers in the current market are respectively of an adjusting backing plate type and an eccentric backing ring type.
The adjusting shim plate type adjusting mechanism mainly comprises a bolt shaft, a guide shaft sleeve and an adjusting shim plate. The main principle is as follows: 1) a guide sleeve with a long hole in the horizontal direction is welded on the suspension bracket, and guide grooves inclined at a certain angle are formed in two sides of the guide sleeve; 2) the adjusting base plate is provided with a long hole forming a certain angle with the outer shape; 3) when the adjusting shim plate is installed in the guide groove, the long hole in the vertical direction and the long hole in the horizontal direction form a through hole for the bolt to pass through, and when the adjusting shim plate slides up and down, the bolt shaft can slide left and right in the long hole in the horizontal direction, so that the axle is driven to move along with the bolt shaft, and the purpose of adjusting the parallelism of the axle is achieved.
Eccentric washer formula adjustment mechanism mainly includes: bolt shaft, eccentric packing ring, eccentric washer sleeve. The main principle is as follows: 1) an eccentric washer sleeve with a horizontal long hole is welded on the suspension bracket, and a certain offset distance exists between the horizontal long hole and the center of the circular guide groove; 2) the eccentric washer embedded in the eccentric washer sleeve is provided with a long hole in the vertical direction, and the long hole and the center of the excircle have a certain offset distance; 3) the vertical slot hole of eccentric packing ring makes up into a through-hole with the horizontal slot hole of eccentric packing ring cover and supplies the bolt axle to pass, and when rotating eccentric packing ring, the bolt axle can be along with the angle of vertical slot hole beat, and the horizontal slot hole of horizontal slip on vertical slot hole to drive the axletree and then remove, reach the purpose of adjusting the axletree depth of parallelism.
The mechanism for adjusting the wheelbase of each axle in the prior art often has the problems of multiple parts, complex structure, high adjusting difficulty and the like, so that the design of the adjusting mechanism which can easily adjust the wheelbase of the axle and has better structural stability is very important.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem existing in the background art, the utility model provides an adjust convenient and reliable, the adjusting part is few and simple structure's automobile axle wheel base's adjustment mechanism.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an adjustment mechanism of car axletree wheel base which characterized in that: the adjusting mechanism for the wheel base of the automobile axle comprises a supporting plate, a pin shaft, a U-shaped gasket, a self-locking nut, a round washer, an adjusting bolt and an adjusting nut; the U-shaped gasket is matched with the internal structure of the supporting plate and is arranged in the supporting plate; the pin shaft penetrates through the support plate and the circular washer and is fixed through the self-locking nut; the adjusting bolt penetrates through the supporting plate and the U-shaped gasket; the axial direction of the adjusting bolt is vertical to the axial direction of the pin shaft; an adjusting nut is arranged on the adjusting bolt; the adjusting nut drives the pin shaft to move along the axial direction of the adjusting bolt through the U-shaped gasket.
Preferably, the adjusting nut adopted by the utility model is a first adjusting nut which is arranged inside the U-shaped gasket; when the first adjusting nut is screwed, the first adjusting nut pushes the U-shaped gasket to move towards the direction close to the big end of the adjusting bolt along the axial direction of the adjusting bolt.
Preferably, the adjusting nut used in the present invention comprises a first adjusting nut and a second adjusting nut; the first adjusting nut is arranged inside the supporting plate and screwed on the adjusting bolt; the second adjusting nut is arranged between the supporting plate and the U-shaped gasket; when the second adjusting nut is screwed, the second adjusting nut pushes the U-shaped gasket to move towards the direction far away from the big end of the adjusting bolt along the axial direction of the adjusting bolt.
Preferably, the cross section of the supporting plate adopted by the utility model is U-shaped as a whole; two opposite surfaces of the supporting plate are respectively provided with a supporting plate mounting hole with the same structure, and a U-shaped bottom of the supporting plate is provided with a supporting plate adjusting bolt connecting hole; the aperture of the mounting hole of the support plate is larger than the outer diameter of the pin shaft; the pin shaft extends into the supporting plate mounting hole on one surface of the supporting plate, extends out of the supporting plate mounting hole on the other surface of the supporting plate and is fixed through a self-locking nut; the adjusting bolt extends into the adjusting bolt connecting hole of the supporting plate and extends out of the inside of the U-shaped gasket; when the adjusting nut is screwed, the adjusting nut drives the pin shaft to move in the mounting hole of the support plate along the axial direction of the adjusting bolt through the U-shaped gasket.
Preferably, the adjusting mechanism for the axle base of the automobile axle adopted by the utility model also comprises an open slot circular plate arranged outside the mounting hole of the support plate, and a circular plate waist-shaped hole is arranged on the open slot circular plate; the pin shaft passes through the waist-shaped hole of the circular plate and then extends into the mounting hole of the support plate on one surface of the support plate; the adjusting nut drives the pin shaft to move in the waist-shaped hole of the circular plate along the axial direction of the adjusting bolt through the U-shaped gasket.
Preferably, the side wall of the waist-shaped hole adopted by the utility model is provided with an open slot; the big head end of the pin shaft is embedded in the open slot.
Preferably, two opposite surfaces of the U-shaped gasket adopted by the utility model are provided with U-shaped gasket mounting holes with the same structure, and the U-shaped bottom of the U-shaped gasket is provided with a U-shaped gasket adjusting bolt connecting hole; the aperture of the U-shaped gasket mounting hole is slightly larger than the outer diameter of the pin shaft; the pin shaft extends into the supporting plate mounting hole on one surface of the supporting plate and penetrates through the U-shaped gasket and then extends out of the supporting plate mounting hole on the other surface of the supporting plate; the adjusting bolt extends into the adjusting bolt connecting hole of the supporting plate and extends out of the adjusting bolt connecting hole of the U-shaped gasket.
Preferably, the distance from the hole center of the U-shaped gasket mounting hole to the U-shaped bottom of the U-shaped gasket is L1; the distance from the hole center of the support plate mounting hole to the U-shaped bottom of the support plate is L2; the L1 is less than the L2.
Compared with the prior art, the utility model discloses ingenious improvement in U type gasket and backup pad, through twisting move adjusting nut, just can drive U type gasket and round pin axle horizontal migration in circular slab waist type hole, adjust the distance between axletree and the backup pad from this, finally realize adjusting the regulation of axletree wheel base to the depth of parallelism of axletree has been adjusted correspondingly. After the regulation is completed, the regulating screw bolt and nut can be removed, and the wheel base and parallelism can be conveniently and reliably regulated in the course of assembling or using automobile, so that it can prevent the automobile tyre from abnormal wear, and can raise running safety.
Drawings
FIG. 1 is a schematic diagram of an air suspension system incorporating a tuning structure provided by the present invention;
fig. 2 is an exploded view of an adjusting mechanism for the wheel base of an automobile axle provided by the present invention;
fig. 3 is a schematic left-direction adjustment diagram of the adjusting mechanism for the wheel base of the automobile axle provided by the present invention;
fig. 4 is a schematic diagram of the right-direction adjustment of the adjusting mechanism for the wheel base of the axle of the automobile provided by the present invention;
in fig. 1-4, the relevant reference numbers are:
1-support plate, 11-support plate mounting hole, 12-support plate adjusting bolt connecting hole; 2-a pin shaft; 3-opening slot circular plate, 31-circular plate waist-shaped hole; 4-U-shaped gasket, 41-U-shaped gasket mounting hole and 42-U-shaped gasket adjusting bolt connecting hole; 5-connecting the circular plates; 6-circular washer; 7-self-locking nut; 8-a first adjusting nut, 81-a second adjusting nut; 9-adjusting the bolt.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, the utility model provides an adjusting mechanism for the axle distance of an automobile axle, which comprises a supporting plate 1, a pin shaft 2, a U-shaped gasket 4, a circular washer 6, a self-locking nut 7, an adjusting bolt 9 and an adjusting nut; the U-shaped gasket 4 is matched with the internal structure of the supporting plate 1 and is arranged in the supporting plate 1; the pin shaft 2 penetrates through the supporting plate 1, the open slot circular plate 3, the U-shaped gasket 4, the connecting circular plate 5 and the circular washer 6 and is fixed through the self-locking nut 7; the adjusting bolt 9 penetrates through the support plate 1 and the U-shaped gasket 4; the axial direction of the adjusting bolt 9 is vertical to the axial direction of the pin shaft 2; an adjusting nut is arranged on the adjusting bolt 9; the adjusting nut drives the pin shaft 2 to move along the axial direction of the adjusting bolt 9 through the U-shaped gasket 4.
Wherein: the adjusting nut is a first adjusting nut 8, and the first adjusting nut 8 is arranged inside the U-shaped gasket 4; when the first adjusting nut 8 is screwed, the first adjusting nut 8 pushes the U-shaped gasket 4 to move towards the direction close to the big end of the adjusting bolt 9 along the axial direction of the adjusting bolt 9.
In another structure, the adjusting nut comprises a first adjusting nut 8 and a second adjusting nut 81; the first adjusting nut 8 is arranged inside the supporting plate 1 and screwed on the adjusting bolt 9; the second adjusting nut 81 is arranged between the support plate 1 and the U-shaped gasket 4; when the second adjusting nut 81 is screwed, the second adjusting nut 81 pushes the U-shaped gasket 4 to move in the axial direction of the adjusting bolt 9 in the direction away from the large end of the adjusting bolt 9.
The cross section of the supporting plate 1 adopted by the utility model is U-shaped as a whole; two opposite surfaces of the supporting plate 1 are respectively provided with a supporting plate mounting hole 11 with the same structure, and the U-shaped bottom of the supporting plate 1 is provided with a supporting plate adjusting bolt connecting hole 12; the aperture of the supporting plate mounting hole 11 is larger than the outer diameter of the pin shaft 2; the pin shaft 2 extends into a support plate mounting hole 11 on one surface of the support plate 1, extends out of a support plate mounting hole 11 on the other surface of the support plate 1, penetrates through the circular washer 6 and is fixed through the self-locking nut 7; the adjusting bolt 9 extends into the supporting plate adjusting bolt connecting hole 12 and extends out of the inside of the U-shaped gasket 4; when the adjusting nut is screwed, the adjusting nut drives the pin shaft 2 to move in the waist-shaped hole 31 of the circular plate along the axial direction of the adjusting bolt 9 through the U-shaped gasket 4.
In order to limit the pin shaft 2 well, the adjusting mechanism for the axle base of the automobile axle further comprises an open slot circular plate 3 arranged outside the supporting plate mounting hole 11, and a circular plate waist-shaped hole 31 is formed in the open slot circular plate 3; the pin shaft passes through the waist-shaped hole 31 of the circular plate and then extends into the mounting hole 11 of the support plate on one surface of the support plate 1; the adjusting nut drives the pin shaft 2 to move in the waist-shaped hole 31 of the circular plate along the axial direction of the adjusting bolt 9 through the U-shaped gasket 4. An open slot is formed on the side wall of the waist-shaped hole; the big end of the pin shaft 2 is embedded in the open slot. Two opposite surfaces of the U-shaped gasket 4 are provided with U-shaped gasket mounting holes 41 with the same structure, and the U-shaped bottom of the U-shaped gasket 4 is provided with a U-shaped gasket adjusting bolt connecting hole 42; the aperture of the U-shaped gasket mounting hole 41 is slightly larger than the outer diameter of the pin shaft 2; the pin shaft 2 extends into the support plate mounting hole 11 on one surface of the support plate 1 and penetrates through the U-shaped gasket 4 to extend out of the support plate mounting hole 11 on the other surface of the support plate 1; the adjusting bolt 9 extends into the support plate adjusting bolt attachment hole 12 and out of the U-shaped shim adjusting bolt attachment hole 42. The distance from the hole center of the U-shaped gasket mounting hole 41 to the U-shaped bottom of the U-shaped gasket 4 is L1; the distance from the hole center of the support plate mounting hole 11 to the U-shaped bottom of the support plate 1 is L2; l1 < L2.
The utility model provides an adjusting mechanism of car axletree wheel base, including guide arm, backup pad 1, circular slab, U type gasket 4, adjusting bolt 9, the guide arm fixed connection is on the axle, the guide arm is connected on backup pad 1 through round pin axle 2, backup pad 1 upper end fixed connection is on the car frame, the bilateral symmetry of backup pad 1 is provided with backup pad mounting hole 11, the U type bottom of backup pad 1 is provided with backup pad adjusting bolt connecting hole 12, open slot circular slab 3 is provided with waist type hole, U type gasket bilateral symmetry is provided with U type gasket mounting hole 41, another side is provided with U type gasket adjusting bolt connecting hole 42; the axle distance adjusting mechanism consists of a U-shaped gasket 4, an adjusting bolt 9, an adjusting nut and a connecting piece, wherein the adjusting bolt 9 and the adjusting nut can be detached after adjustment is completed, so that the number of parts is reduced;
the both sides of backup pad mounting hole 11 are provided with open slot circular slab 3 and connection circular slab 5 respectively, and open slot circular slab 3 is used for 2 heads of fixed pin axle, prevents the rotation of round pin axle 2. The circular plate contacts the U-shaped gasket 4, and the U-shaped gasket adjusting bolt connecting hole 42 on the side surface of the U-shaped gasket 4 corresponds to the support plate adjusting bolt connecting hole 12 on the side surface of the support plate 1 in position. One end of the shaft head of the pin shaft 2 is arranged in an open slot circular plate 3 provided with an open slot, one end of a screw of the pin shaft 2 is fastened through a nut, and the pin shaft 2 can horizontally move in a waist-shaped hole 31 of the circular plate before being fastened. The adjusting bolt 9 sequentially penetrates through the supporting plate adjusting bolt connecting hole 12 on the side surface of the supporting plate 1, the adjusting nut 8 and the U-shaped gasket adjusting bolt connecting hole 42 on the side surface of the U-shaped gasket, and the adjusting nut is rotated to adjust the wheel base.
As shown in fig. 2 to 4, the utility model provides an adjustment mechanism for the wheel base of an automobile axle, which is realized by the following method: the upper end of the supporting plate 1 is fixedly connected with a frame, the open slot circular plate 3 and the connecting circular plate 5 are respectively welded and fixed at two sides of the supporting plate mounting hole 11, and the pin shaft 2 sequentially penetrates through the circular plate waist-shaped hole 31, the U-shaped gasket mounting hole 41, the waist-shaped hole in the connecting circular plate 5, the circular washer 6 and the self-locking nut 7 to connect the circular plate and the U-shaped gasket. Meanwhile, the pin shaft 2 and the U-shaped gasket 4 can horizontally move in the waist-shaped hole of the circular plate. The adjusting bolt 9 penetrates through the supporting plate adjusting bolt connecting hole 12, the U-shaped gasket mounting hole 41 and the adjusting nut to form an adjusting mechanism.
As shown in fig. 3, when the wheelbase is adjusted leftward, the adjusting bolt 9 sequentially passes through the supporting plate adjusting bolt connecting hole 12, the U-shaped gasket adjusting bolt connecting hole 42 and the first adjusting nut 8 to form an adjusting mechanism, the first adjusting nut 8 is screwed leftward to move leftward, and the U-shaped gasket 4 is subjected to leftward axial force to drive the pin shaft 2 to move leftward in the waist-shaped holes of the open-slot circular plate 3 and the connecting circular plate 5, so that the wheelbase of the axle is adjusted leftward.
As shown in fig. 4, when the wheelbase is adjusted in the right direction, the adjusting bolt 9 sequentially passes through the supporting plate adjusting bolt connecting hole 12, the first adjusting nut 8, the U-shaped gasket adjusting bolt connecting hole 42 and the second adjusting nut 81 to form an adjusting mechanism, the first adjusting nut 8 is firstly screwed down to fixedly connect the adjusting bolt 9 with the supporting plate 1, then the second adjusting nut 81 is screwed up to move rightward, the U-shaped gasket 4 is subjected to rightward axial force to push the pin shaft 2 to move rightward in the waist-shaped holes of the open-slot circular plate 3 and the connecting circular plate 5, and the process of adjusting the wheelbase of the axle in the right direction is realized.
After the ideal wheelbase meeting the use requirement is obtained, the adjusting bolt 9, the first adjusting nut 8 and the second adjusting nut 81 can be detached, and the weight of parts is reduced.
Claims (8)
1. The utility model provides an adjustment mechanism of car axletree wheel base which characterized in that: the adjusting mechanism for the wheel base of the automobile axle comprises a supporting plate (1), a pin shaft (2), a U-shaped gasket (4), a round washer (6), a self-locking nut (7), an adjusting bolt (9) and an adjusting nut; the U-shaped gasket (4) is matched with the internal structure of the supporting plate (1) and is arranged in the supporting plate (1); the pin shaft (2) penetrates through the support plate (1) and the circular washer (6) and then is fixed through the self-locking nut (7); the adjusting bolt (9) penetrates through the support plate (1) and the U-shaped gasket (4); the axial direction of the adjusting bolt (9) is vertical to the axial direction of the pin shaft (2); an adjusting nut is arranged on the adjusting bolt (9); the adjusting nut drives the pin shaft (2) to move along the axial direction of the adjusting bolt (9) through the U-shaped gasket (4).
2. The adjusting mechanism for the wheel base of an automobile axle according to claim 1, wherein: the adjusting nut is a first adjusting nut (8), and the first adjusting nut (8) is arranged inside the U-shaped gasket (4); when the first adjusting nut (8) is screwed, the first adjusting nut (8) pushes the U-shaped gasket (4) to move towards the direction close to the big end of the adjusting bolt (9) along the axial direction of the adjusting bolt (9).
3. The adjusting mechanism for the wheel base of an automobile axle according to claim 1, wherein: the adjusting nut comprises a first adjusting nut (8) and a second adjusting nut (81); the first adjusting nut (8) is arranged inside the supporting plate (1) and screwed on the adjusting bolt (9); the second adjusting nut (81) is arranged between the support plate (1) and the U-shaped gasket (4); when the second adjusting nut (81) is screwed, the second adjusting nut (81) pushes the U-shaped gasket (4) to move towards the direction far away from the large end of the adjusting bolt (9) along the axial direction of the adjusting bolt (9).
4. The adjusting mechanism of the wheel base of an automobile axle according to claim 1, 2 or 3, characterized in that: the cross section of the supporting plate (1) is integrally U-shaped; two opposite surfaces of the supporting plate (1) are respectively provided with a supporting plate mounting hole (11) with the same structure, and a U-shaped bottom of the supporting plate (1) is provided with a supporting plate adjusting bolt connecting hole (12); the aperture of the supporting plate mounting hole (11) is larger than the outer diameter of the pin shaft (2); the pin shaft (2) extends into the supporting plate mounting hole (11) on one surface of the supporting plate (1), extends out of the supporting plate mounting hole (11) on the other surface of the supporting plate (1) and is fixed through the self-locking nut (7); the adjusting bolt (9) extends into the supporting plate adjusting bolt connecting hole (12) and extends out of the inside of the U-shaped gasket (4); when the adjusting nut is screwed, the adjusting nut drives the pin shaft (2) to move in the hole of the supporting plate mounting hole (11) along the axial direction of the adjusting bolt (9) through the U-shaped gasket (4).
5. The adjusting mechanism for the wheel base of an automobile axle according to claim 4, wherein: the adjusting mechanism for the wheel base of the automobile axle further comprises an open slot circular plate (3) arranged outside the support plate mounting hole (11), and a circular plate waist-shaped hole (31) is formed in the open slot circular plate (3); the pin shaft passes through the waist-shaped hole (31) of the circular plate and then extends into the mounting hole (11) of the support plate on one surface of the support plate (1); the adjusting nut drives the pin shaft (2) to move in the waist-shaped hole (31) of the circular plate along the axial direction of the adjusting bolt (9) through the U-shaped gasket (4).
6. The adjusting mechanism for the wheel base of an automobile axle according to claim 5, characterized in that: an open slot is formed in the side wall of the waist-shaped hole; the big end of the pin shaft (2) is embedded in the open slot.
7. The adjusting mechanism for the wheel base of an automobile axle according to claim 6, characterized in that: u-shaped gasket mounting holes (41) with the same structure are formed in two opposite surfaces of the U-shaped gasket (4), and U-shaped gasket adjusting bolt connecting holes (42) are formed in the U-shaped bottom of the U-shaped gasket (4); the aperture of the U-shaped gasket mounting hole (41) is slightly larger than the outer diameter of the pin shaft (2); the pin shaft (2) extends into the support plate mounting hole (11) on one surface of the support plate (1) and penetrates through the U-shaped gasket (4) and then extends out of the support plate mounting hole (11) on the other surface of the support plate (1); the adjusting bolt (9) extends into the supporting plate adjusting bolt connecting hole (12) and extends out of the U-shaped gasket adjusting bolt connecting hole (42).
8. The adjusting mechanism for the wheel base of an automobile axle according to claim 7, characterized in that: the distance from the hole center of the U-shaped gasket mounting hole (41) to the U-shaped bottom of the U-shaped gasket (4) is L1; the distance from the hole center of the support plate mounting hole (11) to the U-shaped bottom of the support plate (1) is L2; the L1 is less than the L2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350333.4U CN212654158U (en) | 2020-07-10 | 2020-07-10 | Adjusting mechanism for axle base of automobile axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350333.4U CN212654158U (en) | 2020-07-10 | 2020-07-10 | Adjusting mechanism for axle base of automobile axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212654158U true CN212654158U (en) | 2021-03-05 |
Family
ID=74761182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021350333.4U Active CN212654158U (en) | 2020-07-10 | 2020-07-10 | Adjusting mechanism for axle base of automobile axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212654158U (en) |
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2020
- 2020-07-10 CN CN202021350333.4U patent/CN212654158U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 442001 No.15, Yunnan Road, Shiyan City, Hubei Province Patentee after: Dongshi Chassis (Hubei) Co.,Ltd. Address before: 442001 No.15, Yunnan Road, Shiyan City, Hubei Province Patentee before: DONG FENG (SHIYAN) CHASSIS PARTS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 442000 No.1 Dongsheng Road, Maojian District, Shiyan City, Hubei Province Patentee after: Dongshi Chassis (Hubei) Co.,Ltd. Address before: 442001 No.15, Yunnan Road, Shiyan City, Hubei Province Patentee before: Dongshi Chassis (Hubei) Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |