CN206417062U - Endergonic structure, vehicle frame and vehicle using the endergonic structure - Google Patents
Endergonic structure, vehicle frame and vehicle using the endergonic structure Download PDFInfo
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- CN206417062U CN206417062U CN201621385706.5U CN201621385706U CN206417062U CN 206417062 U CN206417062 U CN 206417062U CN 201621385706 U CN201621385706 U CN 201621385706U CN 206417062 U CN206417062 U CN 206417062U
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Abstract
The utility model provides a kind of endergonic structure, vehicle frame and vehicle using the endergonic structure, and endergonic structure includes body, the endergonic structure also include being higher by body, for withstanding greater than a high position for floor collision meet and hit structure.It is anterior that the endergonic structure is arranged on vehicle frame, a high position for endergonic structure, which is met, hits structure higher than vehicle frame front portion, it is higher than vehicle drive area floor, when the height that collision occurs is higher than driver's compartment floor, the high position of endergonic structure can be impacted and meet and hit structure by hitting, a high position, which is met, hits the body that impact load is delivered to endergonic structure by structure, triggers endergonic structure body distortion to absorb collision energy, is effectively reduced the impact suffered by front part of vehicle.Meanwhile, impact load is delivered on vehicle frame backward along endergonic structure, can mitigate the impact that vehicle body is subject to above vehicle frame significantly, it is to avoid serious deformation occurs for vehicle body, has ensured driver's compartment personal security.The utility model also provides a kind of vehicle frame and vehicle using the structure.
Description
Technical field
The utility model is related to vehicle protection device field, more particularly to a kind of endergonic structure, uses the endergonic structure
Vehicle frame and vehicle.
Background technology
Driver's compartment floor is installed above vehicle frame below vehicle drive area, for vehicle driver's compartment.Vehicle
When colliding front obstacle during traveling, vehicle can be changed into static from motion state moment, originally by great impact
Larger kinetic energy is almost absorbed by vehicle completely, causes the vehicle body and vehicle frame front portion structure of front part of vehicle seriously to deform, makes
Into front part of vehicle driver's compartment casualties.Therefore in Car design, generally energy-absorption box is installed to absorb collision in vehicle frame front portion
Energy, reduces vehicle front body structure deformation.
But, the energy-absorbing box body that current vehicle is used is generally section and the anterior mounting surface of vehicle frame for installing energy-absorption box
Similar square tubular structure, and upper end level is not higher than driver's compartment floor level.When front part of vehicle collides, only touching
Energy-absorption box competence exertion effect when the height for hitting generation is less than driver's compartment floor level, when collision occurs above driver's compartment floor
During such as vehicle rear-end collision truck, energy-absorption box is difficult to play a role, thus causes front part of vehicle to deform, and threatens front part of vehicle to drive
Area's personal security.
Utility model content
The purpose of this utility model is to provide a kind of can absorb when front part of vehicle is collided the higher collision of height
The endergonic structure of collision energy.The utility model also provides a kind of vehicle frame using the structure.The utility model also provides one kind
Use the vehicle of the structure.
The technical scheme of endergonic structure of the present utility model is：
A kind of endergonic structure, including body, the endergonic structure also include being higher by body, touch for withstanding greater than floor
The high position hit, which is met, hits structure.
When endergonic structure is arranged on vehicle frame front portion, a high position for endergonic structure, which is met, hits structure higher than vehicle frame front portion, that is, is higher than
Vehicle drive area floor, when the height that collision occurs is higher than driver's compartment floor, the high position that shock can impact endergonic structure is met
Structure is hit, a high position, which is met, hits the body that impact load is delivered to endergonic structure by structure, trigger endergonic structure body distortion to absorb and touch
Energy is hit, the impact suffered by front part of vehicle is effectively reduced, so as to reduce vehicle deformation degree, driver's compartment personnel have been ensured
Safety.
Further, the preferred scheme 1 of endergonic structure of the present utility model is：It is to turn forward that the high position, which is met and hits structure,
Projection, it is described raised to be located at the body upper part.The projection on endergonic structure top is higher than vehicle frame front portion structure, i.e., higher than vehicle
Driver's compartment floor, when the height that collision occurs is higher than driver's compartment floor, shock can be impacted positioned at the convex of endergonic structure top
Rise, because projection turns forward, impact load also can be delivered to energy-absorbing along raised incline direction while bulging deformation energy-absorbing
The body of structure, triggers endergonic structure body distortion to absorb collision energy, obtains more preferable energy-absorbing effect.
Further, the preferred scheme 2 of endergonic structure of the present utility model is：The raised side view be it is trapezoidal,
The raised front portion turns forward with rear portion, and front rake degree is less than rear portion inclined degree.Due to raised front portion
Inclined degree is less than rear portion inclined degree, and projection can be deformed from the front to the back, and impact load can be passed along raised incline direction
Endergonic structure body is delivered to, triggers endergonic structure to deform backward, more preferable energy-absorbing effect is obtained.
Further, the preferred scheme 3 of endergonic structure of the present utility model is：The body includes two pieces be oppositely arranged
Side wall, the raised side is located on the side wall, front portion, top and the bottom of two pieces of side walls respectively by antetheca,
Upper wall, lower wall are fixedly connected；The rear body is sky, for connecting vehicle frame front portion structure.Due to raised side and side wall
It is structure as a whole, striking the bump stroke of projection directly can laterally be delivered to body, drive body wall deformation energy-absorbing.
Antetheca, upper wall, lower wall strengthen the intensity of endergonic structure while being connected to two pieces of side walls, add the energy-absorbing effect of endergonic structure
Really.
Further, the preferred scheme 4 of endergonic structure of the present utility model is：The side wall, which is provided with, to be used to guide deformation
Induction groove.When endergonic structure bears larger impact load, induction groove can drive endergonic structure side wall to occur conquassation deformation, reach
To preferable energy-absorbing effect.
Further, the preferred scheme 5 of endergonic structure of the present utility model is：The side wall be provided be used for before vehicle frame
The plug welding hole of portion's structure plug welding.Plug welding hole adds the bonding strength of endergonic structure and vehicle frame.
The technical scheme of vehicle frame of the present utility model is：
A kind of vehicle frame, the vehicle frame front portion is provided with endergonic structure, and the endergonic structure includes body, the endergonic structure
Also include being higher by body, for withstanding greater than a high position for floor collision meet and hit structure.
When endergonic structure is arranged on vehicle frame front portion, a high position for endergonic structure, which is met, hits structure higher than vehicle frame front portion, that is, is higher than
Vehicle drive area floor, when the height that collision occurs is higher than driver's compartment floor, the high position that shock can impact endergonic structure is met
Structure is hit, a high position, which is met, hits the body that impact load is delivered to endergonic structure by structure, trigger endergonic structure body distortion to absorb and touch
Energy is hit, the impact suffered by front part of vehicle is effectively reduced, so as to reduce vehicle deformation degree, driver's compartment personnel have been ensured
Safety.Meanwhile, impact load is delivered on vehicle frame backward along endergonic structure, and can mitigate that vehicle body above vehicle frame is subject to significantly rushes
Hit, it is to avoid serious deformation occurs for vehicle body, has ensured driver's compartment personal security.
Further, the preferred scheme 1 of vehicle frame of the present utility model is：The vehicle frame front portion includes heavy in section frame of section bar
Frame.Vehicle frame front portion with heavy in section section material framework has good intensity, and deformation is not susceptible to when being hit, is ensured
Driver's compartment occupant safety positioned at vehicle frame top.
Further, the preferred scheme 2 of vehicle frame of the present utility model is：It is turn forward convex that the high position, which is met and hits structure,
Rise, it is described raised positioned at the body upper part.The projection on endergonic structure top is higher than vehicle frame front portion structure, i.e., higher than vehicle drive
Area floor, when the height that collision occurs is higher than driver's compartment floor, shock can impact the projection positioned at endergonic structure top, by
Turned forward in projection, impact load also can be delivered to endergonic structure along raised incline direction while bulging deformation energy-absorbing
Body, triggers endergonic structure body distortion to absorb collision energy, obtains more preferable energy-absorbing effect.
Further, the preferred scheme 3 of vehicle frame of the present utility model is：The raised side view be it is trapezoidal, it is described
Raised front portion turns forward with rear portion, and front rake degree is less than rear portion inclined degree.Due to raised front rake
Degree is less than rear portion inclined degree, and projection can be deformed from the front to the back, and impact load can be delivered to along raised incline direction
Endergonic structure body, triggers endergonic structure to deform backward, obtains more preferable energy-absorbing effect.
Further, the preferred scheme 4 of vehicle frame of the present utility model is：The body includes two pieces of sides being oppositely arranged
Wall, the raised side is located on the side wall, front portion, top and the bottom of two pieces of side walls respectively by antetheca, on
Wall, lower wall are fixedly connected；The rear body is sky, for connecting vehicle frame front portion structure.Because raised side with side wall is
Integrative-structure, striking the bump stroke of projection directly can laterally be delivered to body, drive body wall deformation energy-absorbing.Before
Wall, upper wall, lower wall strengthen the intensity of endergonic structure while being connected to two pieces of side walls, add the energy-absorbing effect of endergonic structure
Really.
Further, the preferred scheme 5 of vehicle frame of the present utility model is：The side wall, which is provided with, to be used to guide luring for deformation
Guide groove.When endergonic structure bears larger impact load, induction groove can drive endergonic structure side wall to occur conquassation deformation, reach compared with
Good energy-absorbing effect.
Further, the preferred scheme 6 of vehicle frame of the present utility model is：The side wall, which is provided with, to be used to tie with vehicle frame front portion
The plug welding hole of structure plug welding.Plug welding hole adds the bonding strength of endergonic structure and vehicle frame.
The technical scheme of vehicle of the present utility model is：
A kind of vehicle, including vehicle frame, the vehicle frame front portion are provided with endergonic structure, and the endergonic structure includes body, institute
State endergonic structure also include being higher by body, for withstanding greater than a high position for floor collision meet and hit structure.
When endergonic structure is arranged on vehicle frame front portion, a high position for endergonic structure, which is met, hits structure higher than vehicle frame front portion, that is, is higher than
Vehicle drive area floor, when the height that collision occurs is higher than driver's compartment floor, the high position that shock can impact endergonic structure is met
Structure is hit, a high position, which is met, hits the body that impact load is delivered to endergonic structure by structure, trigger endergonic structure body distortion to absorb and touch
Energy is hit, the impact suffered by front part of vehicle is effectively reduced, so as to reduce vehicle deformation degree, driver's compartment personnel have been ensured
Safety.Meanwhile, impact load is delivered on vehicle frame backward along endergonic structure, and can mitigate that vehicle body above vehicle frame is subject to significantly rushes
Hit, it is to avoid serious deformation occurs for vehicle body, has ensured driver's compartment personal security.
Further, the preferred scheme 1 of vehicle of the present utility model is：The vehicle frame front portion includes heavy in section frame of section bar
Frame.Vehicle frame front portion with heavy in section section material framework has good intensity, and deformation is not susceptible to when being hit, is ensured
Driver's compartment occupant safety positioned at vehicle frame top.
Further, the preferred scheme 2 of vehicle of the present utility model is：The preferred scheme 1 of vehicle of the present utility model is：
It is the projection turned forward that the high position, which is met and hits structure, described raised positioned at the body upper part.The projection on endergonic structure top
Higher than vehicle frame front portion structure, i.e., higher than vehicle drive area floor, when the height that collision occurs is higher than driver's compartment floor, hit meeting
Impact the projection positioned at endergonic structure top, because projection turns forward, impact load while bulging deformation energy-absorbing
The body of endergonic structure can be delivered to along raised incline direction, triggers endergonic structure body distortion to absorb collision energy, is obtained more
Good energy-absorbing effect.
Further, the preferred scheme 3 of vehicle of the present utility model is：The raised side view be it is trapezoidal, it is described
Raised front portion turns forward with rear portion, and front rake degree is less than rear portion inclined degree.Due to raised front rake
Degree is less than rear portion inclined degree, and projection can be deformed from the front to the back, and impact load can be delivered to along raised incline direction
Endergonic structure body, triggers endergonic structure to deform backward, obtains more preferable energy-absorbing effect.
Further, the preferred scheme 4 of vehicle of the present utility model is：The body includes two pieces of sides being oppositely arranged
Wall, the raised side is located on the side wall, front portion, top and the bottom of two pieces of side walls respectively by antetheca, on
Wall, lower wall are fixedly connected；The rear body is sky, for connecting vehicle frame front portion structure.Because raised side with side wall is
Integrative-structure, striking the bump stroke of projection directly can laterally be delivered to body, drive body wall deformation energy-absorbing.Before
Wall, upper wall, lower wall strengthen the intensity of endergonic structure while being connected to two pieces of side walls, add the energy-absorbing effect of endergonic structure
Really.
Further, the preferred scheme 5 of vehicle of the present utility model is：The side wall, which is provided with, to be used to guide luring for deformation
Guide groove.When endergonic structure bears larger impact load, induction groove can drive endergonic structure side wall to occur conquassation deformation, reach compared with
Good energy-absorbing effect.
Further, the preferred scheme 6 of vehicle of the present utility model is：The side wall, which is provided with, to be used to tie with vehicle frame front portion
The plug welding hole of structure plug welding.Plug welding hole adds the bonding strength of endergonic structure and vehicle frame.
Brief description of the drawings
Fig. 1 is the explosive view of the endergonic structure 1 of the embodiment 1 of vehicle of the present utility model；
Fig. 2 is the anterior schematic diagram of vehicle frame of the embodiment 1 of vehicle of the present utility model；
Fig. 3 is the vehicle frame toe side view of the embodiment 1 of vehicle of the present utility model；
Fig. 4 is the endergonic structure and vehicle frame front portion structure junction schematic diagram of the embodiment 1 of vehicle of the present utility model；
Fig. 5 is the overall side view of vehicle frame of the embodiment 1 of vehicle of the present utility model；
Fig. 6 is the overall top view of vehicle frame of the embodiment 1 of vehicle of the present utility model；
Fig. 7 is the front view of the endergonic structure of the embodiment 2 of vehicle of the present utility model；
Fig. 8 is the side view of the endergonic structure of the embodiment 2 of vehicle of the present utility model；
Fig. 9 is the front view of the endergonic structure of the embodiment 3 of vehicle of the present utility model；
Figure 10 is the side view of the endergonic structure of the embodiment 3 of vehicle of the present utility model；
Figure 11 is the front view of the endergonic structure of the embodiment 4 of vehicle of the present utility model；
Figure 12 is the side view of the endergonic structure of the embodiment 4 of vehicle of the present utility model.
Embodiment
As shown in Figures 1 to 6, vehicle includes vehicle frame to the embodiment 1 of vehicle of the present utility model, is driven for vehicle
The vehicle frame front portion structure 3 in area is located at the overall front portion of vehicle frame, and the top of vehicle frame front portion structure 3 is provided with driver's compartment floor 20.Vehicle frame
Front portion structure 3 includes two main longitudinal griders 31,32 extended from front to back, and main longitudinal grider 31 includes the heavy in section type of the straight-through arrangement in longitudinal direction
Material 4 and 5, the heavy in section section bar 6,7,8 arranged vertically, and plate 9 and the composition triangular support configurations of section bar 10, the structure of main longitudinal grider 32
It is identical with main longitudinal grider 31.
Endergonic structure 1 and two main longitudinal griders 31,32 that endergonic structure 2 is separately mounted to vehicle frame front portion structure 3 are anterior, work as car
When front portion is collided, the energy that energy absorber 1 is produced with the absorbable collision of endergonic structure 2 reduces the impact that vehicle frame is subject to.
Endergonic structure 1 includes the side wall 10 being oppositely arranged and side wall 11, and side wall 10 and side wall 11 are on sheet material, side wall 10
Portion has the projection 17 turned forward, and the height of projection 17 is significantly larger than floor 20, when collision occurs on driver's compartment floor 20
Fang Shi, shock can impact projection 17, because projection 17 turns forward, and impact load also can while projection 17 deforms energy-absorbing
It is delivered to the body of endergonic structure 1 backward along raised 17 incline direction, triggers the body distortion of endergonic structure 1 to absorb collision energy,
It is effectively reduced the impact suffered by front part of vehicle.Meanwhile, impact load is delivered to vehicle frame front portion structure backward along endergonic structure 1
On 3, the impact that the vehicle body of the top of floor 20 is subject to can be mitigated significantly, it is to avoid serious deformation occurs for vehicle body, has ensured driving
Area's personal security.Projection 17 is trapezoidal, and trapezoidal two waist turns forward and the inclined degree of low back is higher than Attacking Midfielder's inclined degree,
This structure can be such that the front portion of projection 17 while absorption energy is deformed from the front to the back, is touched by projection during strong collision 17
The body of endergonic structure 1 can be delivered to along raised 17 incline direction by hitting load, trigger endergonic structure 1 to deform backward, obtain more preferable
Energy-absorbing effect.
The bottom of projection 17 is square, the side wall 10 matched with the height of 3 main longitudinal grider of vehicle front body structure 31 on side wall 10
On be arranged with parallel successively from front to back vertical direction extension induction groove 18, when endergonic structure 1 bears larger impact load,
Induction groove 18 can drive endergonic structure side wall 10 to occur conquassation deformation, reach preferable energy-absorbing effect.The rear portion of side wall 10 is provided with use
In the plug welding hole 16 with the plug welding of vehicle frame front portion structure 3, the bonding strength of endergonic structure 1 and vehicle frame front portion structure 3 can be increased.
The structure of side wall 11 is identical with side wall 10, two side front side, the antetheca of upside and downside respectively by being made up of sheet material
13rd, upper wall 12, lower wall 14 are connected, and rear portion is connected with vehicle frame section bar 15.
Endergonic structure 2 is identical with the structure of endergonic structure 1, not repeats herein.
When front part of vehicle collides, endergonic structure 1, the front portion of endergonic structure 2 can be struck, endergonic structure 1,2 exists
Impact load is delivered on main longitudinal grider 31,32 by induction groove guiding lower conquassation while absorbing energy.Because main longitudinal grider 31,32 is equal
By heavy in section, section bar is constituted, and intensity is higher, therefore can be along main longitudinal grider 31,32 back kicks by the impact load of endergonic structure energy-absorbing
Pass without causing vehicle front body structure 3 to deform, ensured the safety of the driver's compartment occupant positioned at the top of vehicle front body structure 3.
In the above-described embodiments, it is the projection positioned at endergonic structure top that a high position for endergonic structure, which is met and hits structure, other
In embodiment, the elevation structural of endergonic structure can also be connected to endergonic structure front portion and/or top and/or side, high
Rigidity or endergonic structure of the degree higher than floor.
As shown in Figure 7, Figure 8, it is installed in endergonic structure that a high position is met and hits structure to the embodiment 2 of vehicle of the present utility model
The rigidity or endergonic structure 202 of the both sides of body 201.
As shown in Figure 9, Figure 10, it is installed in endergonic structure that a high position is met and hits structure to the embodiment 3 of vehicle of the present utility model
The anterior rigidity of body 301 or endergonic structure 302.
The embodiment 4 of vehicle of the present utility model is as shown in Figure 11, Figure 12, and it is installed in endergonic structure that a high position, which is met and hits structure,
The top of body 401 rigid structure 402.
In the above-described embodiments, the raised side on endergonic structure top is trapezoidal for what is leaned forward, in other embodiments, energy-absorbing
The projection of structure upper is alternatively semicircle, the triangle that other shapes such as lean forward, and can absorb collision energy and carries collision
Lotus is delivered to the endergonic structure body of lower section.
In the above-described embodiments, endergonic structure body is direction box like structure, and in other embodiments, endergonic structure also may be used
It is other shapes such as cylindrical shape, can be fixedly connected with vehicle frame front portion.
In the above-described embodiments, endergonic structure is hollow structure, in other embodiments, can also be filled out inside endergonic structure
Fill energy-absorbing material such as aluminium " honeycomb " material etc. and strengthen energy-absorbing effect.
In the above-described embodiments, two pieces of side walls are connected by sheet material, in other embodiments, also can be by other structures such as
The stull connection of dense arrangement.
In the above-described embodiments, two pieces of sides wall front portion, top, bottom are both connected to together, in other embodiments, also may be used
Only side wall upper part is linked together with bottom.
In the above-described embodiments, side wall is provided with the induction groove for being used to guide deformation and become for guiding side wall to occur conquassation
Shape, in other embodiments, the induction hole that side wall also can vertically be extended by setting guide side wall to occur conquassation and deformed.
In the above-described embodiments, side wall is used to strengthen bonding strength with the plug welding of vehicle frame front portion structure provided with plug welding hole,
In other embodiments, riveted holes can be also set to strengthen bonding strength with the riveting of vehicle frame front portion such as on the wall of side using other manner.
In the above-described embodiments, the main longitudinal grider of vehicle frame front portion structure includes two longerons and three vertical beams and the cant beam at rear portion
And sheet material, in other embodiments, main longitudinal grider are alternatively other structures as being only made up of a longeron, with higher-strength and completely
Sufficient vehicle front body structure requirement.
The embodiment of endergonic structure of the present utility model and endergonic structure used in the vehicle of above-mentioned use endergonic structure
It is identical, not repeat herein.
The embodiment of vehicle frame of the present utility model is identical with body frame structure for automotive used in the vehicle of above-mentioned use endergonic structure,
Not repeat herein.
Claims (9)
1. a kind of endergonic structure, including body, it is characterised in that：The endergonic structure also include be higher by body, for bearing
The high position collided higher than floor, which is met, hits structure.
2. endergonic structure according to claim 1, it is characterised in that：It is turn forward convex that the high position, which is met and hits structure,
Rise, it is described raised positioned at the body upper part.
3. endergonic structure according to claim 2, it is characterised in that：The raised front portion turns forward with rear portion,
And front rake degree is less than rear portion inclined degree.
4. endergonic structure according to claim 3, it is characterised in that：The body includes two pieces of side walls being oppositely arranged,
The raised side is located on the side wall, front portion, top and the bottom of two pieces of side walls respectively by antetheca, upper wall,
Lower wall is fixedly connected；The rear body is sky, anterior for connecting vehicle frame.
5. endergonic structure according to claim 4, it is characterised in that：The side wall is provided with the induction for being used for guiding deformation
Groove.
6. endergonic structure according to claim 4, it is characterised in that：The side wall, which is provided with, to be used for and vehicle frame front portion structure
The plug welding hole of plug welding.
7. a kind of vehicle frame, the vehicle frame front portion is provided with endergonic structure, the endergonic structure includes body, it is characterised in that：Institute
State endergonic structure also include being higher by body, for withstanding greater than a high position for floor collision meet and hit structure.
8. vehicle frame according to claim 7, it is characterised in that：The vehicle frame front portion includes heavy in section section material framework.
9. a kind of vehicle, including vehicle frame, the vehicle frame front portion are provided with endergonic structure, the endergonic structure includes body, and it is special
Levy and be：The endergonic structure also include being higher by body, for withstanding greater than a high position for floor collision meet and hit structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385706.5U CN206417062U (en) | 2016-12-16 | 2016-12-16 | Endergonic structure, vehicle frame and vehicle using the endergonic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385706.5U CN206417062U (en) | 2016-12-16 | 2016-12-16 | Endergonic structure, vehicle frame and vehicle using the endergonic structure |
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| Publication Number | Publication Date |
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| CN206417062U true CN206417062U (en) | 2017-08-18 |
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ID=59575353
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621385706.5U Active CN206417062U (en) | 2016-12-16 | 2016-12-16 | Endergonic structure, vehicle frame and vehicle using the endergonic structure |
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| CN (1) | CN206417062U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108202758A (en) * | 2016-12-16 | 2018-06-26 | 郑州宇通客车股份有限公司 | A kind of endergonic structure, vehicle frame and vehicle using the endergonic structure |
| CN110027405A (en) * | 2018-01-11 | 2019-07-19 | 郑州宇通客车股份有限公司 | Protective device of fuel tank and the vehicle for using the device |
-
2016
- 2016-12-16 CN CN201621385706.5U patent/CN206417062U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108202758A (en) * | 2016-12-16 | 2018-06-26 | 郑州宇通客车股份有限公司 | A kind of endergonic structure, vehicle frame and vehicle using the endergonic structure |
| CN110027405A (en) * | 2018-01-11 | 2019-07-19 | 郑州宇通客车股份有限公司 | Protective device of fuel tank and the vehicle for using the device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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| CP03 | Change of name, title or address |