CN106347272A - Vehicle rear protection - Google Patents
Vehicle rear protection Download PDFInfo
- Publication number
- CN106347272A CN106347272A CN201611042127.5A CN201611042127A CN106347272A CN 106347272 A CN106347272 A CN 106347272A CN 201611042127 A CN201611042127 A CN 201611042127A CN 106347272 A CN106347272 A CN 106347272A
- Authority
- CN
- China
- Prior art keywords
- expansion link
- rear bumper
- slide block
- fixed seat
- vehicle rear
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/56—Fittings damping bouncing force in truck collisions, e.g. bumpers; Arrangements on high-riding vehicles, e.g. lorries, for preventing vehicles or objects from running thereunder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/28—Metallic springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/38—Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a vehicle rear protection, including: a rear bumper,a base which is fixed on the longitudinal beam. The base comprises a bottom plate and a side plate. A set of guide bar is fixed on the bottom plate. A slider is installed in the base. The portion of slider which is opposite to the guide bar is provided with a hole. The end part of the bar passes the slider through the hole. A set of the first telescopic rod is fixedly connected with the bottom of slider and the first telescopic rod is connected with the rear bumper. An oblique guide part comprises the second telescopic rod and a spring. An end of the second telescopic rod is rotationally connected with one end of the rear bumper and the other end of the rear bumper is rotationally connected with the bottom plate. The preloaded spring is arranged on the second telescopic rod which is between the rear bumper and the bottom plate. The first telescopic rod, the second telescopic rod and a guide bar are in an adjustable right triangle formation. The second telescopic rod is the hypotenuse of the right triangle. The top edge and the side edge of the right triangle are in determined direction and adjustable, thereby improving the vehicle's trafficability and the protection of the rear of the vehicle.
Description
Technical field
The present invention relates to vehicle tail preventer field is and in particular to a kind of vehicle rear protecting.
Background technology
With the popularization of vehicle, the rising of vehicle fleet size, the quantity that traffic accident occurs also gets more and more, and in the traffic accident, has phase
To be derived from the pony car that knocks into the back when a part of traffic accident often for passive security, front part of vehicle has crumple zone, is to pass through
Front part of vehicle, during knocking into the back, carries out crumple by front part of vehicle, reduces the energy during Vehicular impact, but has one
It is car rear-end lorry that kind knocks into the back, and because car is short, lorry rear protecting considers the problem of departure angle, Some vehicles rear protecting
Higher, car crumple zones are often hit less than rear protecting, stagger with lorry rear protecting or even directly can bump against driver's cabin, serious threat
Car safety.
If as shown in figure 1, the rear protecting 21a of lorry 2a can just encounter car 1a front portion, the vehicle of lorry 2a
Departure angle a less it is impossible to ensure lorry 2a by property.
As shown in Fig. 2 the vehicle departure angle a of this kind of situation lorry is larger, meet by property during knocking into the back, often
Can be staggered with rear protecting 21a in the front portion of meeting rear portion car 1a, the crumple zones of vehicle can not be clashed into rear protecting, leads to car
Easily it is subject to larger injuring.If rear protecting impinges upon car top, rear protecting can give one downward power of car, little
Car can tilt, and is drilled into lorry bottom.
Content of the invention
It is an object of the invention to provide a kind of vehicle rear protecting, to while ensureing that lorry passes through property it is ensured that rear car
Safety during knocking into the back.
The present invention provides a kind of vehicle rear protecting to achieve these goals, and it is arranged on the afterbody of longeron, comprising: protect afterwards
Dangerous thick stick；Pedestal, it is u row structure, and including side plate and base plate, described side plate is fixed in described longeron along longeron length direction
Side, the inner side of described side plate is provided with a chute along described longeron length direction；One group of guide post is fixed with described base plate；Sliding
Block, described slide block is located at side sheet room described in two, and its two ends is connected with described slide respectively, and described slide block is just led to described
Offer via to bar, described slide block is stretched out along described via in the end of described guide post；The bottom of described slide block is fixedly connected
There is one group of first expansion link, described first expansion link is connected with described rear bumper；Tiltedly guide part, it include the second expansion link and
Spring, one end of described second expansion link and the top of described rear bumper are rotatedly connected, the other end of described second expansion link
It is rotatedly connected with described base plate, second expansion link being arranged between described rear bumper and described base plate of described spring pre-tightening
On；Described first expansion link, the second expansion link and guide post surround the adjustable right angled triangle of a size；Described second expansion link
Hypotenuse for described right angled triangle.
Preferably, also include return spring, being arranged between described slide block and described base plate of described return spring pretension
On guide post.
Preferably, roller and the roller fixing base being arranged on roller are also included；Described roller is along described rear bumper
Length direction is arranged in the back of described rear bumper, and the bottom acting surface of described roller extends downwardly from described rear bumper；Institute
The back stating roller fixing base with described rear bumper is connected.
Preferably, the middle part of described rear bumper offers the open slot of a side opening towards base plate, described opening
Rotate in groove and one first fixed seat is installed, one end of described second expansion link is fixedly connected with the first fixed seat；Described base plate
Centre position bottom is provided with a downwardly open fixing groove, is provided with the second fixed seat in described fixing groove, described expansion link
The other end is rotatedly connected with described second fixed seat.
Preferably, the described first fixed seat side relative with described second fixed seat is respective spacing plane；Two institutes
State spacing plane to be parallel to each other；The end of described spring spacing is flatted against with described respectively.
Preferably, the bottom of described first expansion link is connected with described roller fixing base.
Preferably, described first expansion link and described second expansion link all include a fixed cover and a motion bar；Described solid
One end of fixed set is provided with the first inside flange, and one end of described motion bar is convexly equipped with the second flange, and described motion bar slides and pacifies
It is contained in described fixed cover, described first flange is fastened with described second flange.
Preferably, described chute is bent inwards by the upper and lower ends of side plate and is formed, the end of slide block in this programme be with
The t type structure that chute matches.
Effect of the invention is that: the first expansion link, the second expansion link and chute are surrounded the adjustable right angle of a size three
Angular；Second expansion link is the hypotenuse of described right angled triangle.During use, the edge direction at the first expansion link and chute place is solid
Fixed, size is adjustable, thus the effect to rear car protection when realizing lifting departure angle and knocking into the back
Brief description
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention described in one
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the use state figure of lorry rear protecting when departure angle is less in prior art.
Fig. 2 is the use state figure of lorry rear protecting when departure angle is larger in prior art.
Fig. 3 is the assembling schematic diagram of vehicle rear protecting in the embodiment of the present invention.
Fig. 4 is the explosive view of Fig. 3.
The overall side view of Fig. 5 position rear protecting.
The side view of spring section in Fig. 6 rear protecting
Fig. 7 deformation relationship figure corresponding with each right-angle side of rear protecting during bar contact.
During Fig. 8 car rear-end, each right-angle side of rear protecting corresponds to deformation relationship figure.
The structural representation of rear protecting when Fig. 9 and bar contact.
The structural representation of rear protecting during Figure 10 car rear-end.
Prior art in figure: 1a- car 2a- lorry 21a- rear protecting 22a- wheel a- vehicle departure angle
In figure of the present invention: 1- longeron 2- rear bumper 3- pedestal 4- guide post 5- slide block 6- the first expansion link 7-
Second expansion link 8- spring 9- the first fixed seat 10- the second fixed seat 13- return spring 14- roller 15- roller is fixed
Seat
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this
Bright it is further detailed.
Show referring to Fig. 3 to Fig. 6, be a kind of vehicle rear protecting provided in an embodiment of the present invention, it is arranged on the tail of longeron 1
Portion, for providing protection to vehicle tail.Comprising:
Rear bumper 2.
Pedestal 3, it is u row structure, and it includes side plate and base plate, and side plate is fixed on the 1 of longeron along the length direction of longeron 1
Inner side, the inner side of described side plate is provided with a chute along the length direction of described longeron 1, and chute slides for slide block 5 so that
When vehicle is knocked into the back, can shrink along chute direction, thus being supplied to the certain buffering of rear car, base plate be further fixed on one group and leads
To bar 4, its cooperation slide block it is slided further spacing it is ensured that its glide direction.
Slide block 5, slide block 5 is located between biside plate, and its two ends is connected with slide respectively；The bottom of slide block 5 is fixedly connected
There is one group of first expansion link 6, the first expansion link 6 is connected with described rear bumper 2, and the first expansion link 6 can stretch up and down, thus real
Now during vehicle forward strikes obstacles, its flexible is lifted, thus improving its departure angle, carries cross-country traveling ability.Just right on slide block 5
Described guide post 4 offers via, and described slide block is stretched out along described via in the end of guide post 4, during realizing slide block is slided
Guiding it is ensured that its glide direction does not shift.Certainly, guide post 4 also can install a return spring 13, to realize it
Post exercise return, on the guide post 4 being arranged between described slide block 5 and pedestal bottom plate of return spring 13 pretension.
Tiltedly guide part, it includes the second expansion link 7 and spring 8, one end of the second expansion link 7 and described rear bumper 2
Top is rotatedly connected, and the other end of the second expansion link 7 is rotatedly connected with base plate, and the purpose that two ends are rotatedly connected makes in its position
When changing, its energy automatic rotary modulation is whole.On second expansion link 7 being arranged between rear bumper and base plate of spring 8 pretension,
So that it can possess the function of self-return, it is provided that certain active force to rear car simultaneously.
As shown in figure 5, the first expansion link 6, the second expansion link 7 and chute surround the adjustable right angled triangle of a size；The
Two expansion links 7 are the hypotenuse of described right angled triangle.During use, the edge direction at the first expansion link 6 and chute place is fixed, and two
While each serving as guide effect so that rear bumper 2 can only movement up and down or around.When running into barrier, track length is not
Become, the second expansion link 7 is shortened with the first expansion link 6, realize adjustment, now spring 8 plays position-limiting action, it is to avoid slide block is along chute
After move.When by car rear-end, three sides of right angled triangle are all shunk, and now spring 8 cooperation return spring 13 plays and buffers back
Position effect.That is, by the first expansion link 6 of diagonally disposed second expansion link 7 and vertical arrangement, cooperation chute surround can
Adjustment right angled triangle, before and after realizing rear bumper 2, adjusts up and down, improves its property passed through, simultaneously when being knocked into the back, energy
Give rear car certain protection.It should be noted that chute can be bent inwards by the upper and lower ends of side plate being formed, now, slide block
End be the t type structure matching with chute in this programme.
Specifically, as shown in Fig. 4 is to 6, in this programme, the middle part of rear bumper 2 offers one towards base plate direction opening
Open slot, rotate in open slot and one first fixed seat 9 be installed, one end of the second expansion link 7 is fixing with the first fixed seat 9 even
Connect；The bottom centre position of pedestal bottom plate is provided with a downwardly open fixing groove, is rotatablely equipped with the second fixed seat in fixing groove
10, the other end of the second expansion link 7 is rotatedly connected with the second fixed seat 10.Real by the first fixed seat 9 and the second fixed seat 10
Show the connection of the second expansion link 7 and rear bumper 2 and pedestal bottom plate.Wherein, the first fixed seat 9 is relative with the second fixed seat 10
Side be respective spacing plane；Two spacing planes are parallel to each other；For limited spring 8, it guarantees that spring 8 is compressed in it
Between；Wherein, the end of spring 8 is spacing with two respectively flats against, and the pretension realizing spring 8 is fixed.Certainly, also can be spacing flat
Damping mat is added on face, to improve limit effect further.
Now, referring to shown in Fig. 4 and Fig. 7, it is adjustable straight that the first expansion link 6, the second expansion link 7 and chute surround a size
Angle triangle, first expansion link be located while be defined as a, second expansion link be located while be defined as c, chute is defined as c, a1,
A2, for the first expansion link after deformation, c1, c2 are the second expansion link after deformation.When rear bumper moves up and down, transport up and down
Dynamic guide rod stretches in up and down motion guide rod base, and according to Pythagorean theorem, c2=a2+b2, triangle edges a of composition shorten, and side b is not
Become, then side c accordingly shortens, as shown in fig. 6, c ＞ c1 ＞ c2, a ＞ a1 ＞ a2: when moving on rear bumper needs, spring effect
Can be with return, by adjusting the angle of skewed horizontal load and horizontal plane.
Referring to shown in Fig. 6 and Fig. 8, when rear bumper is moved rearwards by, knock into the back, rear bumper is moved rearwards by, as follows
Figure: a side is constant, side b compresses, thus side c compression, c2 ＞ c1 ＞ c, b ＞ b1 ＞ b2, c1, c2 are the second expansion link after deformation,
B1, b2 be slide block slide depth, by above scheme, can make spring force with after bumper shifting amount increase and by
Gradual change is big,
In addition, so that in collision obstacle, it can smoothly move along barrier upwards, as Fig. 3 to Fig. 5 institute
Show, this programme is further fixed on a roller 14 along its length at the back of rear bumper, the bottom effect of roller 14 faces down
Stretch out rear bumper, so that its elder generation and bar contact, so that it is guaranteed that its property passed through.Wherein, roller 14 is fixed by roller
Seat 15 is arranged on the back of rear bumper.Further, in order to improve the globality of device, the bottom of the first expansion link and roller
Fixed seat is connected.
It should be noted that the first expansion link 6 and the second expansion link 7 all include a fixed cover and a motion bar；Fixed cover
One end be provided with the first inside flange, one end of motion bar is convexly equipped with the second flange, and motion bar is slidably mounted on described fixation
In set, the first flange is fastened with described second flange.Thus realizing the flexible of expansion link.Can be found in shown in figure,
Use environment illustrates: as shown in figure 9, when needing larger departure angle, following abrupt slope or during by obstacle, and rolling
Wheel is contacted with ground, and rear bumper stress is moved upwards, and departure angle can increase it is ensured that trafficability.
As run into collision, as shown in Figure 10, bumper rearward movement, compression spring, gives rear car and necessarily protects.
The above some one exemplary embodiment only describing the present invention by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain, in the case of without departing from the spirit and scope of the present invention, can by with various different in the way of to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The restriction of claims.
Claims (8)
1. a kind of vehicle rear protecting, it is arranged on the afterbody of longeron it is characterised in that including:
Rear bumper；
Pedestal, it is u row structure, and including side plate and base plate, described side plate is fixed in described longeron along longeron length direction
Side, the inner side of described side plate is provided with a chute along described longeron length direction；One group of guide post is fixed with described base plate；
Slide block, described slide block is located at side sheet room described in two, and its two ends is connected with described slide respectively, just right on described slide block
Described guide post offers via, and described slide block is stretched out along described via in the end of described guide post；The bottom of described slide block is solid
Surely it is connected with one group of first expansion link, described first expansion link is connected with described rear bumper；
Tiltedly guide part, it includes the second expansion link and spring, one end of described second expansion link and the top of described rear bumper
It is rotatedly connected, the other end of described second expansion link and described base plate are rotatedly connected, and the installation of described spring pre-tightening is in the rear
On the second expansion link between bumper and described base plate；
Described first expansion link, the second expansion link and guide post surround the adjustable right angled triangle of a size；Described second stretches
Bar is the hypotenuse of described right angled triangle.
2. vehicle rear protecting as claimed in claim 1 is it is characterised in that also include return spring, described return spring pretension
The guide post being arranged between described slide block and described base plate on.
3. vehicle rear protecting as claimed in claim 1 or 2 is it is characterised in that also include roller and the rolling being arranged on roller
Wheel fixed seat；Described roller is arranged in the back of described rear bumper along the length direction of described rear bumper, described roller
Bottom acting surface extends downwardly from described rear bumper；Described roller fixing base is connected with the back of described rear bumper.
4. vehicle rear protecting as claimed in claim 3 is it is characterised in that the middle part of described rear bumper offers one the bottom of towards
The open slot of one side opening of plate, rotates in described open slot and installs one first fixed seat, one end of described second expansion link with
First fixed seat is fixedly connected；The centre position bottom of described base plate is provided with a downwardly open fixing groove, in described fixing groove
Second fixed seat is installed, the other end of described expansion link is rotatedly connected with described second fixed seat.
5. vehicle rear protecting as claimed in claim 4 is it is characterised in that described first fixed seat and described second fixed seat phase
To side be respective spacing plane；Described in two, spacing plane is parallel to each other；The end of described spring is spacing with described respectively
Flat against.
6. vehicle rear protecting as claimed in claim 3 is it is characterised in that the bottom of described first expansion link is solid with described roller
Reservation is connected.
7. vehicle rear protecting as claimed in claim 1 is it is characterised in that described first expansion link and described second expansion link are equal
Including a fixed cover and a motion bar；One end of described fixed cover is provided with the first inside flange, and one end of described motion bar is convex
It is provided with the second flange, described motion bar is slidably mounted in described fixed cover, described first flange and described second flange phase card
Close.
8. vehicle rear protecting as claimed in claim 1 is it is characterised in that described chute is bent inwards by the upper and lower ends of side plate
Formed, the end of slide block is the t type structure matching with chute in this programme.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611042127.5A CN106347272B (en) | 2016-11-23 | 2016-11-23 | Vehicle rear protecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611042127.5A CN106347272B (en) | 2016-11-23 | 2016-11-23 | Vehicle rear protecting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106347272A true CN106347272A (en) | 2017-01-25 |
| CN106347272B CN106347272B (en) | 2018-12-14 |
Family
ID=57863294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611042127.5A Active CN106347272B (en) | 2016-11-23 | 2016-11-23 | Vehicle rear protecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106347272B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021058A (en) * | 2017-05-25 | 2017-08-08 | 林智英 | Pedestrian protection and pedestrian protecting bumper |
| CN108312994A (en) * | 2018-02-02 | 2018-07-24 | 陈嘉臻 | Large freight vehicle tail portion anti-percussion device |
| CN109895721A (en) * | 2019-03-19 | 2019-06-18 | 东北林业大学 | Lorry rear-end device |
| CN110884454A (en) * | 2019-11-18 | 2020-03-17 | 利辛县凯盛汽车有限公司 | Semi-trailer rear protection device |
| CN111252023A (en) * | 2020-03-12 | 2020-06-09 | 石狮市鹏工汽车教学设备有限公司 | Vehicle rear protection device and assembling method thereof |
| KR20220104389A (en) * | 2021-01-18 | 2022-07-26 | 한국도로공사 | Compression preventing apparatus |
| CN115027399A (en) * | 2022-06-17 | 2022-09-09 | 安徽昌益新材料科技有限公司 | Side protection mechanism for powder tank truck |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5520428A (en) * | 1994-10-27 | 1996-05-28 | Bell; Foyster G. | Movable bumper for vehicles |
| CN2698660Y (en) * | 2004-04-12 | 2005-05-11 | 冯彤 | Safety guard plate for motorlorry |
| CN2744566Y (en) * | 2004-06-11 | 2005-12-07 | 封鸿涛 | Collision protection device of small sized automobile in rear impact |
| CN2778616Y (en) * | 2004-12-29 | 2006-05-10 | 蔡奎伯 | Movable rear lower portion safety guard apparatus for automobile |
| FR2899863A3 (en) * | 2006-04-14 | 2007-10-19 | Robert Gouverneur | Chassis`s rear part protecting device for commercial vehicle, has cylinder and springs actuating frame to respective positions, where frame is slid to retracted position so that frame is spaced from obstacle when obstacle is detected |
| CN104097599A (en) * | 2014-07-22 | 2014-10-15 | 辽宁工程技术大学 | Multistage-buffering and height-adjustable truck tail collision avoiding device |
-
2016
- 2016-11-23 CN CN201611042127.5A patent/CN106347272B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5520428A (en) * | 1994-10-27 | 1996-05-28 | Bell; Foyster G. | Movable bumper for vehicles |
| CN2698660Y (en) * | 2004-04-12 | 2005-05-11 | 冯彤 | Safety guard plate for motorlorry |
| CN2744566Y (en) * | 2004-06-11 | 2005-12-07 | 封鸿涛 | Collision protection device of small sized automobile in rear impact |
| CN2778616Y (en) * | 2004-12-29 | 2006-05-10 | 蔡奎伯 | Movable rear lower portion safety guard apparatus for automobile |
| FR2899863A3 (en) * | 2006-04-14 | 2007-10-19 | Robert Gouverneur | Chassis`s rear part protecting device for commercial vehicle, has cylinder and springs actuating frame to respective positions, where frame is slid to retracted position so that frame is spaced from obstacle when obstacle is detected |
| CN104097599A (en) * | 2014-07-22 | 2014-10-15 | 辽宁工程技术大学 | Multistage-buffering and height-adjustable truck tail collision avoiding device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021058A (en) * | 2017-05-25 | 2017-08-08 | 林智英 | Pedestrian protection and pedestrian protecting bumper |
| CN108312994A (en) * | 2018-02-02 | 2018-07-24 | 陈嘉臻 | Large freight vehicle tail portion anti-percussion device |
| CN109895721A (en) * | 2019-03-19 | 2019-06-18 | 东北林业大学 | Lorry rear-end device |
| CN109895721B (en) * | 2019-03-19 | 2020-02-11 | 东北林业大学 | Rear-end collision prevention device for truck |
| CN110884454A (en) * | 2019-11-18 | 2020-03-17 | 利辛县凯盛汽车有限公司 | Semi-trailer rear protection device |
| CN111252023A (en) * | 2020-03-12 | 2020-06-09 | 石狮市鹏工汽车教学设备有限公司 | Vehicle rear protection device and assembling method thereof |
| KR20220104389A (en) * | 2021-01-18 | 2022-07-26 | 한국도로공사 | Compression preventing apparatus |
| CN115027399A (en) * | 2022-06-17 | 2022-09-09 | 安徽昌益新材料科技有限公司 | Side protection mechanism for powder tank truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106347272B (en) | 2018-12-14 |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |