CN208325386U - A kind of commercial vehicle front underrun protection device - Google Patents
A kind of commercial vehicle front underrun protection device Download PDFInfo
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- CN208325386U CN208325386U CN201820564790.XU CN201820564790U CN208325386U CN 208325386 U CN208325386 U CN 208325386U CN 201820564790 U CN201820564790 U CN 201820564790U CN 208325386 U CN208325386 U CN 208325386U
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- Prior art keywords
- main support
- circular hole
- girder
- collision prevention
- prevention girders
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Abstract
The utility model relates to technical field of vehicle, more particularly to a kind of commercial vehicle front underrun protection device, including main support, fence rail and collision prevention girders, collision prevention girders include girder and steel skeleton, the inside of girder is equipped with the through slot to connect with side wall, steel skeleton cooperation is connected in through slot, collision prevention girders are symmetrically arranged with a pair at the back of fence rail, and it is connected by the first bolt with fence rail, first bolt passes through steel skeleton, main support is connected to the back of collision prevention girders, and can quantitatively translate along girder length direction between main support；The utility model can efficiently solve the connection of the welding procedure between the front lower protective device main support of the prior art and fence rail, unadjustable distance, so that front lower protective device and vehicle frame can not be assembled or be assembled the problem of being inconvenient.
Description
Technical field
The utility model relates to technical field of vehicle, and in particular to a kind of commercial vehicle front underrun protection device.
Background technique
Commercial vehicle need to install special front underrun protection device, or can have by itself characteristic and shape front lower
Car body, frame part or the other component of the vehicle of portion's safeguard function.Front underrun protection device reply is parallel to the vehicle longitudinal axis
Active force has enough barrier forces, also to meet certain size requirement.Assembling the problem of front lower protective device is brought is dress
It is inadequate with space, in addition, bracket assembly is weldment, it is desirable that structure is simple, and manufacturing cost wants lower.
But existing front lower protective device is welded to form by high strength steel plate, it is too heavy that there are weight, higher cost, and welding is public
Difference is larger, the problems such as assembly shop gets on the bus assembly difficulty.The distance between main support on fence rail is because of welding procedure institute
With unadjustable；Finally be to get on the bus dress and when vehicle frame is attached, the machining accuracy due to connecting hole with weld depositing for error
So that connecting hole dislocation occurs between front lower protective device and vehicle frame, it can not assembled or assembled the phenomenon that being inconvenient.
Such as China Patent No. CN201320798583.8, the applying date is public in the utility model patent on December 09th, 2013
A kind of front lower protective device of automobile, including lower protection crossbeam, two connecting brackets and fixed bracket, described two connection branch are opened
Frame interval is welded on rear side of lower protection crossbeam, and fixed bracket is bolted on the top of connecting bracket；The fixed bracket
Top and middle part respectively with preceding mark time bracket and cabin front suspension is set bracket and connect, entirely lower protective device passes through before driver's cabin
Mounting bracket is fixed on automobile frame front end；The lower protection crossbeam is rectangular tubular structure, and both ends are rolled over according to vehicle lower curve
It is curved and have chamfering.The utility model relies on the shape and characteristic of itself, and vehicle front lower portion is enable to have very big shock resistance
Power, while being fixed together with bracket of preceding marking time, cabin front suspension bracket.
Utility model content
The technical issues of solution
For disadvantages mentioned above present in the prior art, the utility model provides a kind of commercial vehicle front lower portion protection dress
It sets, the welding procedure connection between the front lower protective device main support of the prior art and fence rail can be efficiently solved, it can not
Adjustable range, so that front lower protective device and vehicle frame can not be assembled or be assembled the problem of being inconvenient.
Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of commercial vehicle front underrun protection device, including main support, fence rail and collision prevention girders, the collision prevention girders include girder
And steel skeleton, the inside of the girder are equipped with the through slot to connect with side wall, the steel skeleton cooperation is connected in the through slot,
The collision prevention girders are symmetrically arranged with a pair at the back of fence rail, and are connected by the first bolt with fence rail, and described first
Bolt passes through the steel skeleton, and the main support is connected to the back of the collision prevention girders, and can be along the girder between main support
Length direction quantitatively translates, and the girder uses polyurethane continuous glass-fiber drawing and extruding section bar.
Further, the upper and lower end of the main support is equipped with connecting hole, and the first circle is offered in the collision prevention girders
Hole, the quantity of first circular hole is 4, and its distributing position and the connecting hole of main support lower end match, the fence rail
Back offer the second circular hole, second circular hole is corresponding with the first circular hole.
Further, it is plugged with the second bolt between the connecting hole and the first circular hole of the main support lower end, and cooperated
Nut and spring washer link together main support and collision prevention girders.
Further, the internal diameter of first circular hole be greater than the second bolt outer diameter, the circumscribed circle of the nut it is straight
Diameter is greater than the internal diameter of the first circular hole, and less than the internal diameter of the second circular hole.
Further, the upper end of the main support is connected with main body of vehicle frame.
Further, the both ends of the girder extend to the outside of vehicle frame, and are respectively connected with shield, the shield
Leading flank be the inclined-plane for inclining to girder back.
Beneficial effect
It is had the following beneficial effects: compared with known publicly-owned technology using technical solution provided by the utility model
1, the utility model passes through the use of girder composite material, mixes the design of through slot and steel skeleton, significantly lower
The weight of protective device entirety, relative to original high-strength steel sheet can 30% or more loss of weight, cost can reduce by 10%.Fence rail with
Between collision prevention girders, between collision prevention girders and main support to be bolted, the first circular hole and the second circular hole cooperate the ruler of the second bolt
Very little design can facilitate the distance between two main supports of adjustment, convenient for the general assembly of front lower protective device and vehicle body frame.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the bracket of the utility model connect front-side perspective view with fence rail；
Fig. 2 is that the bracket of the utility model connect backside perspective view with fence rail；
Fig. 3 is the fence rail and collision prevention girders seperated schematic diagram of the utility model；
Fig. 4 is the protection beam section schematic diagram of the utility model；
Fig. 5 is the front lower protective device and vehicle frame connection schematic diagram of the utility model；
Label in figure respectively represents: 1- main support；2- fence rail；3- collision prevention girders；4- girder；5- steel skeleton；6- first
Bolt；The second bolt of 7-；8- nut；9- vehicle frame；10- shield；The second circular hole of 201-；The first circular hole of 301-；401- through slot；
101- connecting hole.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Below with reference to embodiment, the utility model will be further described.
Embodiment
A kind of commercial vehicle front underrun protection device of the present embodiment, referring to Fig.1-5: including main support 1, fence rail 2 and anti-
Beam 3 is hit, collision prevention girders 3 include girder 4 and steel skeleton 5, and the inside of girder 4 is equipped with the through slot 401 to connect with side wall, steel skeleton 5
Cooperation is connected in through slot 401, and collision prevention girders 3 are symmetrically arranged with a pair at the back of fence rail 2, and by the first bolt 6 and prevent
Guard beam 2 is connected, and the first bolt 6 passes through steel skeleton 5, and main support 1 is connected to the back of collision prevention girders 3, and can edge between main support 1
4 length direction of girder quantitatively translates, and girder 4 uses polyurethane continuous glass-fiber drawing and extruding section bar.
The upper and lower end of main support 1 is equipped with connecting hole 101, and the first circular hole 301, the first circular hole are offered in collision prevention girders 3
301 quantity is 4, and its distributing position and the connecting hole 101 of 1 lower end of main support match, and the back of fence rail 2 offers
Second circular hole 201, the second circular hole 201 are corresponding with the first circular hole 301.
The second bolt 7, and 8 He of attaching nut are plugged between the connecting hole 101 of 1 lower end of main support and the first circular hole 301
Spring washer links together main support 1 and collision prevention girders 3；The internal diameter of first circular hole 301 is greater than the outer diameter of the second bolt 7, spiral shell
The external diameter of a circle of mother 8 is greater than the internal diameter of the first circular hole 301, and less than the internal diameter of the second circular hole 201.Realize the second bolt 7
And its nut 8 of end can be moved in the inside of the first circular hole 301 and the second circular hole 201, realize edge between main support 1
The quantitative translation of 4 length direction of girder.
The upper end of main support 1 is connected with 9 main body of vehicle frame.
The both ends of girder 4 extend to the outside of vehicle frame 9, and are respectively connected with shield 10, and the leading flank of shield 10 is to incline
In the inclined-plane at 4 back of girder.
In actual installation in use, first by 7 attaching nut 8 of the second bolt pass through pedestal lower end connecting hole 101 with
First circular hole 301, main support 1 and collision prevention girders 3 are linked together；Pass through the first bolt 6 again for collision prevention girders 3 and 2 phase of fence rail
First bolt 6 can not had to tighten, can be to adjust distance between two main supports 1, convenient and car body vehicle by connection at this time
Frame 9 is installed, and is fastening the first bolt 6 after the completion.
By the use of 4 composite material of girder, the design of through slot 401 and steel skeleton 5 is mixed, significantly lower protective device
Whole weight, relative to original high-strength steel sheet can 30% or more loss of weight, cost can reduce by 10%.Fence rail 2 and collision prevention girders 3
Between, between collision prevention girders 3 and main support 1 to be bolted, the first circular hole 301 and the second circular hole 201 cooperate the second bolt 7
Size design can facilitate the distance between two main supports 1 of adjustment, convenient for the general assembly of front lower protective device and vehicle body frame 9.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modify or replace, can't make corresponding technical solution essence be detached from various embodiments of the utility model technical solution spirit and
Range.
Claims (6)
1. a kind of commercial vehicle front underrun protection device, including main support, fence rail and collision prevention girders, it is characterised in that: the anticollision
Beam includes girder and steel skeleton, and the inside of the girder is equipped with the through slot to connect with side wall, and the steel skeleton cooperation is connected to
In the through slot, the collision prevention girders are symmetrically arranged with a pair at the back of fence rail, and are connected by the first bolt with fence rail
It connects, first bolt passes through the steel skeleton, and the main support is connected to the back of the collision prevention girders, and can between main support
It is quantitatively translated along the girder length direction, the girder uses polyurethane continuous glass-fiber drawing and extruding section bar.
2. a kind of commercial vehicle front underrun protection device according to claim 1, which is characterized in that the main support it is upper,
Lower end is equipped with connecting hole, the first circular hole is offered in the collision prevention girders, the quantity of first circular hole is 4, and it is distributed position
It sets and matches with the connecting hole of main support lower end, the back of the fence rail offers the second circular hole, second circular hole and
One circular hole is corresponding.
3. a kind of commercial vehicle front underrun protection device according to claim 2, which is characterized in that the main support lower end
The second bolt is plugged between connecting hole and the first circular hole, and main support and collision prevention girders are connected to by attaching nut and spring washer
Together.
4. a kind of commercial vehicle front underrun protection device according to claim 3, which is characterized in that first circular hole it is interior
Diameter is greater than the outer diameter of the second bolt, and the external diameter of a circle of the nut is greater than the internal diameter of the first circular hole, and less than the second circular hole
Internal diameter.
5. a kind of commercial vehicle front underrun protection device according to claim 1, which is characterized in that the upper end of the main support
It is connected with main body of vehicle frame.
6. a kind of commercial vehicle front underrun protection device according to claim 1, which is characterized in that prolong at the both ends of the girder
The outside of vehicle frame is extended to, and is respectively connected with shield, the leading flank of the shield is the inclined-plane for inclining to girder back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564790.XU CN208325386U (en) | 2018-04-20 | 2018-04-20 | A kind of commercial vehicle front underrun protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564790.XU CN208325386U (en) | 2018-04-20 | 2018-04-20 | A kind of commercial vehicle front underrun protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208325386U true CN208325386U (en) | 2019-01-04 |
Family
ID=64781936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820564790.XU Active CN208325386U (en) | 2018-04-20 | 2018-04-20 | A kind of commercial vehicle front underrun protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208325386U (en) |
-
2018
- 2018-04-20 CN CN201820564790.XU patent/CN208325386U/en active Active
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