CN206551985U - A kind of vehicular rear protecting assembly and the vehicle with it - Google Patents
A kind of vehicular rear protecting assembly and the vehicle with it Download PDFInfo
- Publication number
- CN206551985U CN206551985U CN201720179577.2U CN201720179577U CN206551985U CN 206551985 U CN206551985 U CN 206551985U CN 201720179577 U CN201720179577 U CN 201720179577U CN 206551985 U CN206551985 U CN 206551985U
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- CN
- China
- Prior art keywords
- longitudinal beam
- connecting plate
- protecting assembly
- absorbing part
- vehicular
- 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.)
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Abstract
The utility model discloses a kind of vehicular rear protecting assembly and the vehicle with it.The vehicular rear protecting assembly includes：Longitudinal beam；Rear, it is pivotally connected to the longitudinal beam；And buffering energy-absorbing part, it is connected between longitudinal beam and rear, for applying cushion effect to rear.Buffering energy-absorbing part in vehicular rear protecting assembly of the present utility model can play certain support and restraining function in lorry normally travel to rear, to prevent rear from shaking when driving.When car rear-end lorry, the instant impact that the buffering energy-absorbing part of lorry is produced when being hit to car plays certain cushioning effect, to be protected to rear.Rear rotates relative to longitudinal beam, the gap between rear and ground is diminished, so as to effectively prevent car from piercing under the container of lorry, and then reduces the injury that lorry is brought to chauffeur and copilot personnel.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly to a kind of vehicular rear protecting assembly and the car with it
.
Background technology
In recent years, the traffic accident of car rear-end lorry is multiple, and the vehicular rear protecting that Vehicles Collected from Market Truck is installed is total
Into safe effect it is relatively low, in car rear-end lorry, easily make the front passenger of car injured.
In the prior art, the rear in the vehicular rear protecting assembly of lorry and longitudinal beam rigid connection are one
Rise.When car rear-end lorry, the buffering effect of the instant impact that the rear of lorry is produced when being hit to car compared with
Difference.Rear is easily broken after being hit, and car is easily pierced under the container of lorry, causes car department
Machine and copilot casualties, so as to trigger serious traffic accident.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art drawbacks described above.
Utility model content
The purpose of this utility model is to provide a kind of vehicular rear protecting assembly to overcome or at least mitigate prior art
Drawbacks described above.
To achieve the above object, the utility model provides a kind of vehicular rear protecting assembly.The vehicular rear protecting assembly bag
Include：Longitudinal beam；Rear, it is pivotally connected to the longitudinal beam；And buffering energy-absorbing part, it connects
It is connected between the longitudinal beam and the rear, for applying cushion effect to the rear.
Preferably, one end of the buffering energy-absorbing part is connected to the lower aerofoil of the longitudinal beam, the other end by support
The medial surface of the rear is fixed to by bearing pin.
Preferably, the support includes：First connecting plate, is provided with the connection riveted with the longitudinal beam
Hole；Second connecting plate, it is connected with first connecting plate, and is provided with second connecting plate for being inhaled for the buffering
The through hole that described one end of energy part is run through.
Preferably, the buffering energy-absorbing part is hydraulic energy-accumulating shock absorber or spring damper.
Preferably, the buffering energy-absorbing part is spring, and one end of the spring has the lower aerofoil with the longitudinal beam
First bending hole of connection, the other end of the spring has the second bending being connected with the medial surface of the rear
Hole.
Preferably, the rear includes baffle plate and connecting plate, and one end of the connecting plate is connected with the baffle plate,
And perpendicular to the baffle plate, and the buffering energy-absorbing part is connected on the connecting plate, the other end of the connecting plate passes through phase
The screw bolt and nut mutually coordinated is connected to the longitudinal beam, so that the rear can be relative to the longitudinal beam
Rotated around the bolt.
Preferably, be provided with the connecting plate on arc slotted hole, the longitudinal beam be provided with it is long with the arc
The corresponding positioning hole of circular hole, keeper runs through the arc slotted hole and the positioning hole, and can be oval along the arc
Hole is slided, so that the rear is rotated in the angle that the arc slotted hole is limited.
Preferably, the quantity of the connecting plate in the quantity of the longitudinal beam and the rear is two,
The quantity of the buffering energy-absorbing part is correspondingly arranged as two.
The utility model also provides a kind of vehicle, and the vehicle includes vehicular rear protecting assembly as described above.This practicality
New middle carried vehicle refers to the larger vehicle of build, generally refers to lorry.
Rear in vehicular rear protecting assembly of the present utility model is pivotally connected to longitudinal beam.
Buffering energy-absorbing part connecting vehicle frame longeron and rear, for applying cushion effect to rear.When lorry normally travel
When, buffering energy-absorbing part plays certain support and restraining function to rear simultaneously, to prevent rear from driving a vehicle
Shaken in journey.When car rear-end lorry, the instant impact that the buffering energy-absorbing part of lorry is produced when being hit to car rises
Certain cushioning effect, to be protected to rear.Meanwhile, rear rotates relative to longitudinal beam,
The gap between rear and ground is diminished, so as to effectively prevent car from piercing under the container of lorry, and then reduce
The injury that lorry is brought to chauffeur and copilot personnel.
Brief description of the drawings
Fig. 1 is the schematic elevational view of the vehicular rear protecting assembly according to the utility model first embodiment.
Fig. 2 is the schematic right-side view of the vehicular rear protecting assembly shown in Fig. 1.
Fig. 3 is schematic diagram of the vehicular rear protecting assembly shown in Fig. 2 by the variable condition after impulsive force.
Fig. 4 is the schematic figure of the vehicular rear protecting assembly according to the utility model second embodiment.
Fig. 5 is the schematic elevational view of the vehicular rear protecting assembly according to the utility model 3rd embodiment.
Fig. 6 is the schematic right-side view of the vehicular rear protecting assembly shown in Fig. 5.
Reference：
Embodiment
In the accompanying drawings, same or similar element is represented or with same or like function using same or similar label
Element.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are based on orientation shown in the drawings or position
Relation, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model protection domain
Limitation.
Referring to Fig. 1 and Fig. 2, vehicular rear protecting assembly includes longitudinal beam 1, rear and buffering energy-absorbing part.
Referring to Fig. 1, longitudinal beam 1 extends along perpendicular to the direction of paper.Rear is used to carry out vehicle tail
Protection, rear is pivotally connected to longitudinal beam 1, so that rear can be relative to longitudinal beam
1 rotates.
Referring specifically to Fig. 1 and Fig. 2, rear includes baffle plate 41 and connecting plate 42.Baffle plate 41 is mainly used in vehicle
Afterbody is protected, and connecting plate 42 is mainly used in rear being connected to longitudinal beam 1.The bearing of trend of connecting plate 42 is put down
Row is in the bearing of trend of longitudinal beam 1, and one end (lower end of the connecting plate 42 i.e. shown in Fig. 1) of connecting plate 42 connects with baffle plate 41
Connect, and perpendicular to baffle plate 41, and for cushion effect is applied to rear and be connected to longitudinal beam 1 and rear it
Between buffering energy-absorbing part be specifically connected on the medial surface of the connecting plate 42 in rear.The other end of connecting plate 42 is (i.e.
The upper end of connecting plate 42 shown in Fig. 1) longitudinal beam 1 is connected to by the bolt 7 and nut of mutual cooperation, so that rear protecting is filled
Putting can rotate relative to longitudinal beam 1 around bolt 7.Specifically, bolt 7 runs through connecting plate 42 and longitudinal beam 1, and passes through spiral shell
Mother tightens.It is pointed out that the cooperation screwing force between bolt 7 and nut enables rear relative to longitudinal beam
1 rotates around bolt 7, while ensureing that rear will not be rotated relative to longitudinal beam 1 around bolt 7 easily.
Referring to Fig. 2, arc slotted hole 421, the shape generally circular arc of arc slotted hole 421 are provided with connecting plate 42
Shape.The positioning hole corresponding with arc slotted hole 421 is provided with longitudinal beam 1.Keeper 8 runs through the He of arc slotted hole 421
Positioning hole, and arcuately slotted hole 421 can slide, so that rear is in the angle that arc slotted hole 421 is limited
Rotate.So as to effectively prevent that the rotational angle of rear is excessive, and damage buffering energy-absorbing part.
Referring to Fig. 1 and Fig. 2, buffering energy-absorbing part is connected to longitudinal beam 1 and rear (is specifically connected to shown in Fig. 1
Rear connecting plate 42 medial surface) between, for rear apply cushion effect.When vehicle is (for example, goods
Car) normally travel when, buffering energy-absorbing part can play certain support and restraining function to rear, to prevent rear protecting from filling
Put and shake when driving.When car rear-end lorry, the wink that the buffering energy-absorbing part of lorry is produced when being hit to car
Between impulsive force play certain buffering energy-absorbing function, reduce instant impact, to be protected to rear.Meanwhile, rear defence
Protection unit rotates relative to longitudinal beam, the gap between rear and ground is diminished, so as to effectively prevent sedan-chair
Wagon drill enters under the container of lorry, and then reduces the injury that lorry is brought to chauffeur and copilot personnel.
Further, one end of buffering energy-absorbing part is connected to the lower aerofoil of longitudinal beam 1, buffering energy-absorbing part by support 3
Other end medial surface that rear is fixed to by bearing pin 9 (be specifically fixed to the connection of the rear shown in Fig. 1
The medial surface of plate 42).Specifically, fixing nut 10 is provided with rear (i.e. connecting plate 42), one end of bearing pin 9 is screwed
To fixing nut 10, to be fixed to rear.The other end of the right-hand member of buffering energy-absorbing part from bearing pin 9 is set in bearing pin 9
Outside, and buffering energy-absorbing part is fixed to by rear by split pin.
Referring to Fig. 2, support 3 includes the first connecting plate and the second connecting plate.First connecting plate is in the horizontal direction shown in Fig. 2
The connecting hole riveted with longitudinal beam 1 is provided with upper extension, the first connecting plate, the first connecting plate leads to longitudinal beam 1
Cross rivet 11 to connect, support 3 is attached on longitudinal beam 1.Second connecting plate is connected with the right-hand member of the first connecting plate, buffering
One end (i.e. left end) of absorption cell is fixed on the second connecting plate, so as to be fixed to longitudinal beam 1.Specifically, the second connecting plate
On be provided with through hole, the through hole of the left end of buffering energy-absorbing part on the second connecting plate, and left by being set in buffering energy-absorbing part
Hold and the left end of buffering energy-absorbing part is fixed on the second connecting plate by two gum covers (not shown) positioned at the second connecting plate both sides.
It is pointed out that having angle between the second connecting plate and the first connecting plate, the angle of the angle can inhale according to buffering
The installation direction of energy part is set.It is understood that support 3 can carry out shape according to the arrangement and its stressing conditions of specific product
The adjustment of formula, size and material, its fixed position is also not limited to the lower aerofoil of longitudinal beam 1, but the intensity of support 3 is necessary
Meet intensity requirement during hydraulic energy-accumulating shock absorber 2a stress.
In the first embodiment shown in Fig. 1 and Fig. 2, buffering energy-absorbing part is preferably hydraulic energy-accumulating shock absorber 2a, and hydraulic pressure stores
Energy shock absorber 2a has the ability for being capable of cushion impact forces in itself, and hydraulic energy-accumulating shock absorber 2a buffering effect is preferable.Specifically
Ground, when the rear of car rear-end lorry, rear applies certain impulsive force to hydraulic energy-accumulating shock absorber 2a,
Move the piston reciprocating in hydraulic energy-accumulating shock absorber 2a, the fluid of hydraulic energy-accumulating shock absorber 2a intracavitary is just repeatedly from a chamber
Another intracavitary is flowed into by different holes.The intermolecular interior friction of friction and fluid now between hole wall and fluid is to vibration
Damping force is formed, automobile vibrational energy is converted into fluid heat energy, then be dispersed into by hydraulic energy-accumulating shock absorber 2a absorptions in air.
The instant impact produced when being hit to car plays certain buffering energy-absorbing function, reduces instant impact, to be filled to rear protecting
Put and protected.
Referring specifically to Fig. 2, hydraulic energy-accumulating shock absorber 2a one end (left end of the hydraulic energy-accumulating shock absorber i.e. shown in Fig. 1) leads to
The lower aerofoil that support 3 is connected to longitudinal beam 1 is crossed, (hydraulic energy-accumulating i.e. shown in Fig. 1 subtracts the hydraulic energy-accumulating shock absorber 2a other end
Shake the right-hand member of device) medial surface that is fixed to rear by bearing pin 9 (is specifically fixed to rear shown in Fig. 1
The medial surface of connecting plate 42).Specifically, fixing nut 10, one end of bearing pin 9 are provided with rear (i.e. connecting plate 42)
Screw to fixing nut 10, to be fixed to rear.Other end set of the hydraulic energy-accumulating shock absorber 2a right-hand member from bearing pin 9
The outside of bearing pin 9 is located at, and hydraulic energy-accumulating shock absorber 2a is fixed to by rear by split pin.
It is pointed out that the lower aerofoil and rear of the hydraulic energy-accumulating shock absorber 2a and longitudinal beam 1 after installing
Between form similar triangular structure, the hydraulic energy-accumulating shock absorber 2a after installation not by any external force effect under when be located at maximum
Stroke, now, support certain to rear hydraulic energy-accumulating shock absorber 2a and restraining function, to prevent rear
Shake when driving.Meanwhile, hydraulic energy-accumulating shock absorber 2a is arranged on the lower aerofoil and rear of longitudinal beam 1
Medial surface, hydraulic energy-accumulating shock absorber 2a can be played a protective role.
Referring specifically to Fig. 2, hydraulic energy-accumulating shock absorber 2a left end is fixed on the second connecting plate of support 3, so that fixed
To longitudinal beam 1.Specifically, through hole is provided with the second connecting plate, hydraulic energy-accumulating shock absorber 2a left end is through the second connection
Through hole on plate, and by being set in hydraulic energy-accumulating shock absorber 2a left ends and being located at two gum covers of the second connecting plate both sides (not
Diagram) hydraulic energy-accumulating shock absorber 2a left end is fixed on the second connecting plate.
Referring to Fig. 3, when rear-end collision occurs for vehicle (for example, lorry), effect of the rear in car impact
Under can be rotated around longitudinal beam 1, the anglec of rotation is A.Now, hydraulic energy-accumulating shock absorber 2a stretches from the second of hydraulic energy-accumulating damper
Go out the first extension elongation L1 that length L2 shorten to hydraulic energy-accumulating damper, to effectively play buffering energy-absorbing, reduce impact
Effect.Meanwhile, the height of rear declines (falling head difference is H), makes rear and ground in the vertical direction
Gap be less than front end of car height, effectively to prevent the dillies such as car from piercing truck tail, so as to reduce lorry pair
The collsion damage of car.
In the second embodiment shown in Fig. 4, buffering energy-absorbing part is preferably spring damper 2b, and spring cushion 2b is one
Plant to the sensitive shake control device of displacement, the vibrations and swing of various frequencies can be efficiently controlled.Spring damper
2b one end (i.e. left end) is connected to the lower aerofoil of longitudinal beam 1, the spring damper 2b other end (i.e. right-hand member) by support 3
By bearing pin 9 be fixed to rear medial surface (be specifically fixed to rear shown in Fig. 1 connecting plate 42 it is interior
Sideways).Spring cushion 2b operation principle is identical with hydraulic energy-accumulating shock absorber 2a operation principle, and belongs to art technology
The common knowledge of personnel, therefore be just no longer described in detail.
In the 3rd embodiment shown in Fig. 5 and Fig. 6, buffering energy-absorbing part is that the spring 2c in spring 2c, the present embodiment is straight
Footpath sets larger, and spring 2c has the ability for being capable of cushion impact forces in itself, and ensure that buffering effect.When vehicle (for example,
Lorry) normally travel when, spring 2c can play certain support and restraining function to rear, to prevent rear
Shake when driving.When car rear-end lorry, the moment impact that the spring 2c of lorry is produced when being hit to car
Power plays certain buffering energy-absorbing function, reduces instant impact, to be protected to rear.Meanwhile, rear
Connecting plate 42 on the arc slotted hole 421 that sets, by the elastic-restoring force produced after impulsive force can be played one to spring 2c
Fixed restriction effect, prevents spring 2c from releasing angle by rear excessive.
Referring to Fig. 5 and Fig. 6, spring 2c one end has the first bending hole for being used for being connected with the lower aerofoil of longitudinal beam 1.
In a preferred embodiment, the first bending hole is riveted holes, and spring 2c one end and the lower aerofoil of longitudinal beam 1 are riveted on
Together, stable connection is firm.The spring 2c other end, which has, to be used to (specifically be fixed to Fig. 1 institutes with the medial surface of rear
The medial surface of the connecting plate 42 of the rear shown) connection the second bending hole.In a preferred embodiment, second is curved
Folding hole is screwed hole, the spring 2c other end and the medial surface screw thread downlink connection with rear, and installing/dismounting is simple and convenient.
It is understood that spring 2c two ends can be riveted on longitudinal beam 1 and rear, can also it be threadedly coupled
On longitudinal beam 1 and rear, then or welded frame longeron 1 and rear on.It will also be appreciated that this
Buffering energy-absorbing part in utility model is not limited to the damper of above-mentioned three kinds of forms, can also expand the damping for other forms
Device.
It is pointed out that the quantity of longitudinal beam 1 is two, i.e., left longeron and right vertical beam.Company in rear
The quantity of fishplate bar 42 is two, and a connecting plate 42 is connected to left longeron, and another connecting plate 42 is connected to right vertical beam.Accordingly
Ground, the quantity of buffering energy-absorbing part is correspondingly arranged as two, and a buffering energy-absorbing part connects left longeron and a connecting plate 42, another
Individual buffering energy-absorbing part connection right vertical beam and another connecting plate 42, so that the buffering energy-absorbing effect of buffering energy-absorbing part is effectively ensured.
The utility model also provides a kind of vehicle, and the vehicle includes vehicular rear protecting assembly as described above.This practicality
New middle carried vehicle refers to the larger vehicle of build, such as lorry.
Rear in vehicular rear protecting assembly of the present utility model is pivotally connected to longitudinal beam.
Buffering energy-absorbing part is connected between longitudinal beam and rear, for applying cushion effect to rear.When lorry just
Often during traveling, the support simultaneously certain to rear of buffering energy-absorbing part and restraining function, to prevent rear from existing
Shaken in driving conditions.When car rear-end lorry, the moment punching that the buffering energy-absorbing part of lorry is produced when being hit to car
Hit power and play certain buffering energy-absorbing function, reduce instant impact, to be protected to rear.Meanwhile, rear protecting dress
Put and rotated relative to longitudinal beam, the gap between rear and ground is diminished, so as to effectively prevent car from boring
Enter under the container of lorry, and then reduce the injury that lorry is brought to chauffeur and copilot personnel.Car of the present utility model
Also have the advantages of simple in construction, arrangement is convenient and with low cost concurrently with rear protecting assembly.
It is last it is to be noted that：Above example is only limited to illustrate the technical solution of the utility model, rather than to it
System.It will be understood by those within the art that：Technical scheme described in foregoing embodiments can be modified, or
Person carries out equivalent substitution to which part technical characteristic；These modifications are replaced, and take off the essence of appropriate technical solution
From the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a kind of vehicular rear protecting assembly, it is characterised in that including：
Longitudinal beam (1)；
Rear, it is pivotally connected to the longitudinal beam (1)；And
Buffering energy-absorbing part, it is connected between the longitudinal beam (1) and the rear, for being filled to the rear protecting
Put application cushion effect.
2. vehicular rear protecting assembly as claimed in claim 1, it is characterised in that one end of the buffering energy-absorbing part passes through support
(3) lower aerofoil of the longitudinal beam (1) is connected to, the other end is fixed to the inner side of the rear by bearing pin (9)
Face.
3. vehicular rear protecting assembly as claimed in claim 2, it is characterised in that the support (3) includes：
First connecting plate, is provided with the connecting hole riveted with the longitudinal beam (1)；
Second connecting plate, it is connected with first connecting plate, and is provided with second connecting plate for supplying the buffering
The through hole that described one end of absorption cell is run through.
4. vehicular rear protecting assembly as claimed in claim 3, it is characterised in that the buffering energy-absorbing part is hydraulic energy-accumulating vibration damping
Device (2a) or spring damper (2b).
5. vehicular rear protecting assembly as claimed in claim 1, it is characterised in that the buffering energy-absorbing part is spring (2c), institute
Stating one end of spring (2c) has the first bending hole being connected with the lower aerofoil of the longitudinal beam (1), the spring (2c)
The other end has the second bending hole being connected with the medial surface of the rear.
6. the vehicular rear protecting assembly as any one of claim 1 to 5, it is characterised in that the rear bag
Baffle plate (41) and connecting plate (42) are included, one end of the connecting plate (42) is connected with the baffle plate (41), and perpendicular to the gear
Plate (41), and the buffering energy-absorbing part is connected on the connecting plate (42), the other end of the connecting plate (42) passes through mutual
The bolt (7) and nut of cooperation are connected to the longitudinal beam (1), so that the rear can be relative to the vehicle frame
Longeron (1) is rotated around the bolt (7).
7. vehicular rear protecting assembly as claimed in claim 6, it is characterised in that be provided with arc on the connecting plate (42) long
The positioning hole corresponding with the arc slotted hole (421), keeper are provided with circular hole (421), the longitudinal beam (1)
(8) run through the arc slotted hole (421) and the positioning hole, and can be slided along the arc slotted hole (421), so that institute
Rear is stated to rotate in the angle that the arc slotted hole (421) is limited.
8. vehicular rear protecting assembly as claimed in claim 7, it is characterised in that the quantity of the longitudinal beam (1) and described
The quantity of the connecting plate (42) in rear is two, and the quantity of the buffering energy-absorbing part is correspondingly arranged as two.
9. a kind of vehicle, it is characterised in that including the vehicular rear protecting assembly as any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179577.2U CN206551985U (en) | 2017-02-27 | 2017-02-27 | A kind of vehicular rear protecting assembly and the vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179577.2U CN206551985U (en) | 2017-02-27 | 2017-02-27 | A kind of vehicular rear protecting assembly and the vehicle with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206551985U true CN206551985U (en) | 2017-10-13 |
Family
ID=60361739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720179577.2U Expired - Fee Related CN206551985U (en) | 2017-02-27 | 2017-02-27 | A kind of vehicular rear protecting assembly and the vehicle with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206551985U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482295A (en) * | 2018-02-06 | 2018-09-04 | 富华中元江苏重机科技有限公司 | A kind of back shroud mounting structure |
| CN113401081A (en) * | 2021-07-14 | 2021-09-17 | 东风柳州汽车有限公司 | Rotatable formula protector and vehicle behind car |
| CN117507715A (en) * | 2023-12-28 | 2024-02-06 | 河北红星汽车制造有限公司 | Chassis of low-floor new energy van vehicle |
-
2017
- 2017-02-27 CN CN201720179577.2U patent/CN206551985U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482295A (en) * | 2018-02-06 | 2018-09-04 | 富华中元江苏重机科技有限公司 | A kind of back shroud mounting structure |
| CN113401081A (en) * | 2021-07-14 | 2021-09-17 | 东风柳州汽车有限公司 | Rotatable formula protector and vehicle behind car |
| CN117507715A (en) * | 2023-12-28 | 2024-02-06 | 河北红星汽车制造有限公司 | Chassis of low-floor new energy van vehicle |
| CN117507715B (en) * | 2023-12-28 | 2024-04-30 | 河北红星汽车制造有限公司 | Chassis of low-floor new energy van vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20210227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |