CN116927610A - Damping device and vehicle comprising same - Google Patents
Damping device and vehicle comprising same Download PDFInfo
- Publication number
- CN116927610A CN116927610A CN202210372185.3A CN202210372185A CN116927610A CN 116927610 A CN116927610 A CN 116927610A CN 202210372185 A CN202210372185 A CN 202210372185A CN 116927610 A CN116927610 A CN 116927610A
- Authority
- CN
- China
- Prior art keywords
- tube
- damping device
- compression spring
- circumferential
- projection
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 title claims abstract description 74
- 230000006835 compression Effects 0.000 claims abstract description 37
- 238000007906 compression Methods 0.000 claims abstract description 37
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/531—Doors
- E05Y2900/532—Back doors or end doors
Abstract
The invention provides a damping device and a vehicle comprising the same. A damping device for damping movement of a first vehicle component relative to a second vehicle component, the damping device comprising a first tube and a second tube, the first tube being telescopically movable within the second tube between an extended position and a retracted position, wherein the first tube and the second tube together define a chamber; and a compression spring mounted within the chamber. The compression spring is configured to compress when the first tube moves in a direction retracting into the second tube and to expand when the first tube moves in a direction extending out of the second tube to cushion the telescoping movement of the first tube relative to the second tube. The damping device has the advantages of simple structure, easy assembly, low manufacturing cost, reliability and durability.
Description
Technical Field
The present invention relates to the field of vehicles. In particular, in one aspect, the present invention relates to a vehicle damping device, particularly for tailgate open/close cushioning. In another aspect, the present invention relates to a vehicle comprising the damping device.
Background
A damping device for a vehicle, in particular for a vehicle tailgate, is known. As shown in fig. 1, the vehicle 100 includes a tailgate 110 and a vehicle body 120, the tailgate 110 being rotatable relative to the vehicle body 120 about a pivot axis P. Typically, an adjustment drive 130 in the form of a motor is provided between the tailgate 110 and the vehicle body 120 on one side of the tailgate 110 to rotate the tailgate 110 about the pivot axis P relative to the vehicle body 120 between a closed position and an open position, so this side is also referred to as the active side. The adjustment drive 130 includes a spindle and a spindle nut disposed on the spindle. On the other hand, a damping device 140, such as a friction damper, a gas damper, or the like, is provided between the tailgate 110 and the vehicle body 120 on the other side of the tailgate 110 to passively brake or dampen the pivotal movement of the tailgate 110 relative to the vehicle body 120, particularly when approaching the closed and/or open positions, and thus this side is also referred to as the passive side.
The current damping devices for vehicle tailgates mostly use gas or hydraulic dampers as damping members and require sealing washers to prevent fluid leakage, and furthermore, springs are still required to cooperate with the dampers, which makes the current damping devices complicated in construction, difficult to assemble, and results in high manufacturing costs. However, over time, the fluid in the damper may still leak and after frequent operation, the fluid may become hot, which may affect the performance of the damping device.
CN103423352B discloses a spring system for damping applications having a first and a second housing and a first mechanical spring connected to the first and the second housing. Each of the first and second housings includes a front portion having a front end and a rear portion having a rear end and an interior chamber. The front end of the second housing is telescopically inserted into the interior chamber of the first housing. The first mechanical spring is positioned at least partially within the interior chambers of the first and second housings. The first end of the first mechanical spring is connected to a first connection arrangement in the first housing. The second end of the first mechanical spring is connected to a second connection arrangement in the second housing. The first and/or second connection arrangement threadably engages the first mechanical spring.
A disadvantage of this spring system is that the springs are positioned only at the ends, and when the two housings are moved telescopically, the springs will twist due to lack of guidance, affecting the damping effect.
Disclosure of Invention
The object of the present invention is therefore to overcome at least some of the above disadvantages. For this reason, the present invention provides a damping device for a vehicle, for example, for the passive side of the tailgate, which is simple in construction, easy to assemble, and thus low in manufacturing cost, and reliable and durable, as compared to a damping device employing a fluid damper.
According to a first aspect, the present invention provides a damping device for damping movement of a first vehicle component relative to a second vehicle component, the damping device comprising a first tube and a second tube, the first tube being telescopically movable within the second tube between an extended position and a retracted position, wherein the first tube and the second tube together define a chamber; and a compression spring mounted within the chamber, wherein the compression spring is configured to compress when the first tube moves in a direction retracting into the second tube and to expand when the first tube moves in a direction extending out of the second tube to cushion the telescoping movement of the first tube relative to the second tube. The first and second pipes may be, for example, steel pipes. According to the present invention, only springs are used for damping, and no fluid damper is required.
According to an embodiment, the compression spring at least partially contacts the inner wall of the first tube and/or the second tube at its radially outer side. With this arrangement, the compression spring is guided by the inner wall, avoiding twisting when expanding and contracting.
Preferably, the first section of the compression spring within the first tube has a large diameter coil and a small diameter coil, the large diameter coil contacting the inner wall of the first tube. With this arrangement, friction of the compression spring with the tube wall is reduced to facilitate telescoping movement of the first tube relative to the second tube.
It is further preferred that the large diameter coils and the small diameter coils alternate along at least a portion of the length of the first section.
According to an embodiment, the end of the first tube retracted into the second tube is provided with a circumferential enlargement, the second tube being provided with a circumferential stop extending radially inwards from the inner wall, in the extended position the circumferential enlargement abutting the circumferential stop. With this arrangement, the first tube is prevented from being detached from the second tube.
According to the above embodiment, the circumferential stop is formed by a circumferentially extending recess in the outer wall of the second tube. In this way, the circumferential stop can be formed simply by pressing on the outer wall of the tube. This can withstand a minimum of 7kN of disengagement force.
According to an embodiment, the damping device further comprises a snap ring, to which the end of the compression spring located in the second tube is fixed, the second tube being provided with a positioning protrusion extending radially inwards from the inner wall, the snap ring being clamped on the positioning protrusion.
According to the above embodiment, the positioning protrusion is formed by a recess on the outer wall of the second tube. In this way, the positioning projection can be formed simply by pressing on the outer wall of the tube. This can withstand a minimum of 7kN of disengagement force.
According to another embodiment, the damping device further comprises a guide shaft mounted in the chamber, and the second section of the compression spring located in the second tube is sleeved on the guide shaft. With this arrangement, the compression spring can be further guided, avoiding twisting upon expansion and contraction.
According to the above embodiment, the damping device further includes a snap ring to which an end portion of the compression spring located in the second tube is fixed, and the guide shaft is provided with a positioning flange extending radially outward therefrom, on which the snap ring is snapped.
According to an embodiment, the damping device further comprises a dust ring mounted at the end of the second tube intersecting the first tube. With this arrangement, intrusion of foreign matter into the chamber from the intersection of the two pipes is prevented, affecting the performance of the damping device.
According to an embodiment, the damping device further comprises a joint for connecting the first vehicle component and the second vehicle component, which are mounted at two ends of the first tube and the second tube, respectively, opposite to each other, an end of the compression spring located inside the first tube abutting against the joint mounted to the first tube. The joint may be made of plastic, which is capable of withstanding a breaking force of 4-6 kN.
According to an embodiment, the joint is fixed to the ends of the first and second tubes by a bayonet connection. With this arrangement, the fitting is conveniently mounted to the pipe.
According to an embodiment, the bayonet connection comprises a circumferential positioning protrusion and a longitudinal positioning protrusion extending radially inwards from an inner wall of the first tube and the second tube, both being spaced apart in the longitudinal direction; a circumferential projection and a longitudinal projection extending radially outwardly from the outer periphery of the joint, the two being spaced apart in the longitudinal direction; and a depressible elastomeric block disposed on the outer periphery of the joint and aligned longitudinally with and circumferentially spaced from the longitudinal projection, the circumferential projection being longitudinally positioned between the circumferential positioning projection and the longitudinal positioning projection, the longitudinal positioning projection being circumferentially positioned between the longitudinal projection and the elastomeric block. With this arrangement, the joint is ensured to be able to be firmly snapped into the tube.
According to an embodiment, the resilient block comprises a base part configured in the form of a cantilever and an inclined guide part located on the base part, such that the resilient block can only be depressed when the joint is turned in one direction. With this arrangement, the connector can be easily snapped into the tube without disengaging after the snap-in.
According to an embodiment, the circumferential positioning projection and the longitudinal positioning projection are formed by recesses on the outer wall of the second tube. In this way, the circumferential positioning projections and the longitudinal positioning projections can be formed simply by pressing on the outer wall of the tube. This can withstand a minimum of 4kN of disengagement force.
According to an embodiment, the damping device further comprises a sealing ring mounted between the joint and the inner walls of the first and second tubes. With this arrangement, intrusion of moisture, foreign matter, and the like into the chamber is prevented, affecting the performance of the damping device.
According to an embodiment, the first vehicle component is a tailgate and the second vehicle component is a vehicle body. Alternatively, the damping device may be applied to other openable and closable vehicle members.
According to an embodiment, the first tube has a through hole at an end opposite to the second tube. With this arrangement, even if water permeates into the chamber, the water in the chamber is allowed to drain. Since the first tube is normally connected to the tailgate, the first tube is under the second tube when the tailgate is closed, so that only the through-hole may be provided on the first tube.
In another aspect, the present invention provides a vehicle comprising the damping device described above.
The damping device according to the invention eliminates the usual fluid damper which is complex in structure and has the risk of leakage, but only adopts the compression spring for damping, has simple structure, easy assembly, low manufacturing cost and reliability and durability.
Drawings
In the drawings, embodiments of the invention are shown in simplified form for clarity. Like reference numerals refer to like parts throughout the drawings.
In the accompanying drawings:
FIG. 1 is a schematic illustration of a vehicle tailgate with a prior art passive side damping device installed; and
FIG. 2 is a perspective exploded view of a passive side damping device of an embodiment of the present invention;
FIG. 3 is an exploded front view of a passive side damping device of an embodiment of the present invention;
FIG. 4A is a front view of a passive side damping device of an embodiment of the present invention in an extended position;
FIG. 4B is a cross-sectional view taken along line A-A of FIG. 4A;
FIGS. 5A-5C are schematic illustrations of bayonet connections of a passive side damping device of an embodiment of the present invention;
fig. 6A and 6B are schematic views of closing and opening of a vehicle tailgate equipped with a passive side damping device of the present invention.
Detailed Description
Embodiments of the present invention are described below with reference to the accompanying drawings. In an embodiment, the damping device is applied to a tailgate of a vehicle. However, the damping device of the present invention may also be applied to other vehicle components as long as it is required to dampen the motion of the vehicle component relative to another vehicle component.
Fig. 2 and 3 are perspective exploded and front exploded views, respectively, of a passive side damping device of an embodiment of the present invention. As shown, the damping device 1 comprises a first tube 10 and a second tube 20, the first tube 10 being able to move in a telescopic manner within the second tube 20, so that the first tube may also be referred to as inner tube and the second tube may also be referred to as outer tube. The first tube and the second tube together define a chamber 30, and a compression spring 40 is mounted within the chamber 30 (see fig. 4B). When the first tube 10 moves in the direction of retracting the second tube 20, the compression spring 40 is compressed, and when the first tube 10 moves in the direction of extending the second tube 20, the compression spring 40 expands, thereby buffering the telescopic movement of the first tube with respect to the second tube. In this example, the first tube and the second tube are steel tubes.
The damping device 1 further includes a guide shaft 50 installed in the chamber 30, and the section of the compression spring 40 located in the second tube 20 is guided by the guide shaft 50 to avoid twisting when the compression spring 40 expands and contracts. In this example, the damping device 1 further includes a snap ring 60, and an end portion of the compression spring 40 located in the second tube 20 is fixed to the snap ring 60. Accordingly, the guide shaft 50 is provided with a positioning flange 51 extending radially outwardly therefrom. The snap ring 60 is engaged with the positioning flange 51.
The section of the compression spring 40 within the first tube 10 has large diameter coils and small diameter coils that alternate along a portion of the length of the section of the compression spring. In this example, starting from the end of the compression spring 40 within the first tube 10, initially large diameter coils are provided, followed by 1 large coil and 2 small diameter coils alternating, followed by small diameter coils, all the way to the end within the second tube 20. The large diameter spring coil contacts the inner wall of the first tube 10 to guide the section of the compression spring through the first tube.
In another embodiment, not shown, the guide shaft 50 may be omitted. In this case, the damping device 1 also comprises a snap ring 60 for fixing the end of the compression spring 40 inside the second tube 20. Accordingly, the second tube 20 is provided with a positioning projection extending radially inward from the inner wall so that the snap ring 60 is snapped onto the positioning projection. The positioning protrusion is formed by a recess 21 in the outer wall of the second tube 20. Also in this case, the section of the compression spring 40 located inside the second tube 20 may contact the inner wall of the second tube 20 so as to guide the section of the compression spring through the second tube 20. Alternatively, this section of the compression spring may not contact the inner wall of the second tube 20, but rather contact the inner wall of the first tube 10 as the first tube 10 is retracted into the second tube 20, thereby being guided.
The damping device 1 further comprises a dust ring 70. Referring to fig. 4A, it is installed at the end of the second pipe 20 intersecting the first pipe 10.
The damping device 1 further comprises two joints 80. Referring to fig. 4A and 4B, which are respectively installed at two opposite ends of the first tube 10 and the second tube 20, the end of the compression spring 40 within the first tube 10 abuts against the joint 80 installed to the first tube 10, and the guide shaft 50 abuts against the joint 80 installed to the second tube 20.
The damping device 1 further comprises a sealing ring 90. Referring to fig. 4B, it is installed between the joint 80 and the inner walls of the first tube 10 and the second tube 20. Further, the first pipe 10 has a through hole 11 at an end opposite to the second pipe 20 for drainage.
The end of the first tube 10 that is retracted into the second tube 20 is provided with a circumferential enlargement 12, and the second tube 20 is correspondingly provided with a circumferential stop extending radially inwards from the inner wall. Referring to fig. 4B, in the extended position, the circumferential enlargement 12 abuts against a circumferential stop. The circumferential stop is formed by a circumferentially extending recess 22 in the outer wall of the second tube 20.
The joint 80 is fixed to the ends of the first tube 10 and the second tube 20 by a bayonet connection. Fig. 5A-5C show a bayonet connection of the fitting 80 with the second tube 20. The bayonet connection of the fitting 80 with the first tube 10 is identical and is therefore not shown separately. As shown in fig. 5A-5C, the bayonet connection comprises a circumferential positioning protrusion 23 and a longitudinal positioning protrusion 24 extending radially inwards from the inner wall of the second tube 20, both being spaced apart in the longitudinal direction; a circumferential protrusion 81 and a longitudinal protrusion 82 extending radially outward from the outer periphery of the joint 80, both being spaced apart in the longitudinal direction; and a depressible resilient block 83 disposed on the outer periphery of the joint 80, longitudinally aligned with the longitudinal projection 82 and circumferentially spaced from the longitudinal projection 82. The elastic block 83 includes a base 83a configured in a cantilever form and an inclined guide 83b located on the base such that the elastic block can be depressed only when the joint 80 is rotated in one direction. The circumferential positioning projections 82 and the longitudinal positioning projections 83 are formed by corresponding recesses on the outer wall of the second tube 20.
When connected, the fitting 80 and the second tube 20 are first aligned as shown in fig. 5A. Then, the joint 80 is inserted into the second tube 20 as shown in fig. 5B. Finally, the joint 80 and the second tube 20 are rotated 90 degrees relative to each other, the circumferential projection 81 is rotated in the circumferential direction to be positioned between the circumferential positioning projection 23 and the longitudinal positioning projection 24 in the longitudinal direction, and at the same time, the longitudinal positioning projection 24 presses down the elastic block 83 by the guide of the inclined guide portion, thereby being rotated over the elastic block 83 to be positioned between the longitudinal projection 82 and the elastic block 83 in the circumferential direction, as shown in fig. 5C.
Fig. 6A and 6B show the closed and open states, respectively, of the vehicle tailgate to which the damping device 1 of the embodiment of the present invention is mounted.
The embodiments discussed in the detailed description and shown in the drawings are merely illustrative exemplary embodiments. In some cases, the features disclosed in this disclosure may be used as such, irrespective of other features. On the other hand, the features disclosed in the present invention can be combined, when necessary, to provide various combinations.
List of reference numerals
1. Damping device
10. First tube
11. Through hole
12. Circumferential expansion part
20. Second tube
21. Recess (es)
22. Recess for a vehicle
23. Circumferential positioning projection
24. Longitudinal positioning protrusion
30. Chamber chamber
40. Spring
50. Guide shaft
51. Positioning flange
60. Clasp ring
70. Dust-proof ring
80. Joint
81. Circumferential projection
82. Longitudinal protrusions
83. Elastic block
83a base
83b inclined guide portion
90. Sealing ring
P pivot axis
100. Vehicle with a vehicle body having a vehicle body support
110. Tail gate
120. Vehicle body
130. Driving device
140. Damping device
Claims (20)
1. Damping means for damping movement of a first vehicle component relative to a second vehicle component, the damping means comprising a first tube and a second tube, the first tube being telescopically movable within the second tube between an extended position and a retracted position, wherein the first tube and the second tube together define a chamber; and a compression spring mounted within the chamber, wherein the compression spring is configured to compress when the first tube moves in a direction retracting into the second tube and to expand when the first tube moves in a direction extending out of the second tube to cushion the telescoping movement of the first tube relative to the second tube.
2. Damping device according to claim 1, characterized in that the compression spring at least partially contacts the inner wall of the first tube and/or the second tube on its radially outer side.
3. The damping device of claim 2, wherein the first section of the compression spring within the first tube has a large diameter coil and a small diameter coil, the large diameter coil contacting an inner wall of the first tube.
4. A damping device according to claim 3, wherein the large diameter coils and the small diameter coils are alternately arranged along at least a portion of the length of the first section.
5. Damping device according to any one of claims 1-4, characterized in that the end of the first tube which is retracted into the second tube is provided with a circumferential enlargement, the second tube being provided with a circumferential stop extending radially inwards from the inner wall, in the extended position the circumferential enlargement abutting the circumferential stop.
6. The damper device of claim 5, wherein the circumferential stop is formed by a circumferentially extending recess in the outer wall of the second tube.
7. The damping device according to any one of claims 1 to 4, further comprising a snap ring to which an end of the compression spring located in the second tube is fixed, the second tube being provided with a positioning projection extending radially inwards from the inner wall, the snap ring being snapped onto the positioning projection.
8. The damper device of claim 7, wherein the locating projection is formed by a notch in the outer wall of the second tube.
9. The damping apparatus of any one of claims 1-4, further comprising a guide shaft mounted within the chamber, the second section of the compression spring within the second tube being nested on the guide shaft.
10. The damping device of claim 9, further comprising a snap ring to which the end of the compression spring within the second tube is secured, the guide shaft being provided with a locating flange extending radially outwardly therefrom, the snap ring being snap-fitted over the locating flange.
11. The damping device of any one of claims 1-4, further comprising a dust collar mounted at an end of the second tube that intersects the first tube.
12. The damping device according to any one of claims 1 to 4, further comprising a joint for connecting the first vehicle component and the second vehicle component, which are respectively mounted at two ends of the first pipe and the second pipe opposite to each other, an end of the compression spring located inside the first pipe abutting against the joint mounted to the first pipe.
13. Damping device according to claim 12, characterized in that the joint is fixed to the ends of the first and second tube by means of a bayonet connection.
14. Damping device according to claim 13, wherein the bayonet connection comprises a circumferential positioning projection and a longitudinal positioning projection extending radially inwards from the inner walls of the first and second tubes, both being spaced apart in the longitudinal direction; a circumferential projection and a longitudinal projection extending radially outwardly from the outer periphery of the joint, the two being spaced apart in the longitudinal direction; and a depressible elastomeric block disposed on the outer periphery of the joint and aligned longitudinally with and circumferentially spaced from the longitudinal projection, the circumferential projection being longitudinally positioned between the circumferential positioning projection and the longitudinal positioning projection, the longitudinal positioning projection being circumferentially positioned between the longitudinal projection and the elastomeric block.
15. The damping device of claim 14, wherein the resilient block includes a base portion configured in a cantilever fashion and an angled guide portion located on the base portion such that the resilient block can only be depressed when the joint is rotated in one direction.
16. The damping device of claim 14, wherein the circumferential locating projection and the longitudinal locating projection are formed by notches in the outer wall of the second tube.
17. The damping device of claim 12, further comprising a seal ring mounted between the joint and the inner walls of the first and second tubes.
18. The damping device of any one of claims 1-4, wherein the first tube has a through hole at an end opposite the second tube.
19. The damping device of any one of claims 1-4, wherein the first vehicle component is a tailgate and the second vehicle component is a vehicle body.
20. A vehicle comprising a damping device according to any one of claims 1-19.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372185.3A CN116927610A (en) | 2022-04-11 | 2022-04-11 | Damping device and vehicle comprising same |
| PCT/CN2023/086480 WO2023197922A1 (en) | 2022-04-11 | 2023-04-06 | Damping device and vehicle comprising damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372185.3A CN116927610A (en) | 2022-04-11 | 2022-04-11 | Damping device and vehicle comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116927610A true CN116927610A (en) | 2023-10-24 |
Family
ID=88328933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210372185.3A Pending CN116927610A (en) | 2022-04-11 | 2022-04-11 | Damping device and vehicle comprising same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116927610A (en) |
| WO (1) | WO2023197922A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000047912A1 (en) * | 1999-02-12 | 2000-08-17 | Atb Sales Limited | Spring and damper unit |
| US9188184B2 (en) * | 2012-05-14 | 2015-11-17 | Barnes Group Inc. | Telescoping strut |
| CN210087098U (en) * | 2019-03-26 | 2020-02-18 | 广东东箭汽车科技股份有限公司 | Automobile electric tail door stay bar |
| CN212428419U (en) * | 2020-05-13 | 2021-01-29 | 广州弘泽汽车科技有限公司 | Strut mechanism of automobile tail door |
| CN213807214U (en) * | 2020-11-18 | 2021-07-27 | 芜湖伯特利汽车安全系统股份有限公司 | Damping balance stay bar for automobile electric tail gate |
| CN113700407A (en) * | 2021-08-31 | 2021-11-26 | 重庆海德世拉索系统（集团）有限公司 | Damping device of electric stay bar of automobile tail door |
-
2022
- 2022-04-11 CN CN202210372185.3A patent/CN116927610A/en active Pending
-
2023
- 2023-04-06 WO PCT/CN2023/086480 patent/WO2023197922A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023197922A1 (en) | 2023-10-19 |
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