CN205971179U - Bumper of heavy -duty car - Google Patents

Abstract

The utility model relates to a bumper of heavy -duty car, including the bumper face guard, the bumper face guard is divided into upper portion and lower part, and the upper portion of bumper face guard be level and smooth hollows, sets up the grid in the middle of the lower part of bumper face guard, and the bumper crossbeam is laid to the rear end of bumper face guard, and the bumper longeron has been laid respectively to the both sides of bumper crossbeam, and pair bumper is set up to the lower part of grid, installs the shock absorber between bumper crossbeam and the bumper longeron, and the kneck of shock absorber and bumper longeron sets up the pernetti, the pernetti include protect the frame and with on protect the frame and carry out the lower frame that protects of pegging graft each other, sponge cushion layer is laid to the both sides of protecting an inside down protects the frame on, and has seted up the bolt hole respectively with the side of protecting the frame down, construction bolt in the bolt hole, the bumper face guard takes shape for mould pressing thermoplasticity combined material is integrative. The utility model discloses make its light more under safe and reliable's prerequisite, make the contribution for the whole of car economizes on fuel, reduce the injury to the pedestrian simultaneously.

Description

A kind of bumper of heavy-duty car

Technical field

This utility model belongs to auto parts and components field and in particular to a kind of bumper of heavy-duty car.

Background technology

Bumper assembly is the important component part of body of a motor car, and its effect is when automobile is sent out with other vehicles or barrier During raw collision, passenger safety can be protected, reduce the car body extent of damage；In collision process, front bumper of saloon car needs crumple to inhale Receive energy as much as possible, to realize the protection to parts such as pedestrian, vehicle grille and hoods, ensure pedestrains safety and drop Low vehicle maintenance expense, therefore, automobile front beam systematic research is highly valued, and the top of existing bumper is too short, Simultaneously not smooth, when there is Vehicle-pedestrian impact accident, bump against position near knee joint with bumper first, to knee joint Joint injury is very big, and partial insurance thick stick is not added with any buffer unit for cost-effective, or when buffer unit stress is excessive, Because its own connect insecure, cause buffering effect not good, once occur unexpected it is easy to injury is brought to pedestrian.

Utility model content

This utility model purpose there is provided a kind of more lightweight on the premise of safe and reliable, is the entirety section of automobile Oil contributes, and reduces the bumper of the heavy-duty car of the injury to pedestrian simultaneously.

For achieving the above object, this utility model provides technical scheme below：

A kind of bumper of heavy-duty car, including bumper faceplate, described bumper faceplate is divided into upper and lower, insurance The top of thick stick mask is smooth hollows, the bottom middle setting grid of bumper faceplate, and the rear end of bumper faceplate is laid Bumper beam, the both sides of bumper beam are laid with bumper longeron respectively, and auxiliary bumper, bumper are set up in the bottom of grid Vibroshock is installed between crossbeam and bumper longeron, the seam setting pernetti of vibroshock and bumper longeron, described The lower retaining frame that bracket is included retaining frame and mutually carried out grafting with upper retaining frame, upper retaining frame and lower retaining frame are " n " font, lower retaining frame Width be less than the width of upper retaining frame, sponge bed course is laid in both sides lower retaining frame within, and the side of upper retaining frame and lower retaining frame is distinguished Offer bolt hole, bolt in the hole installation bolt.Described bumper faceplate is that molded thermoplastics' composite is integrally formed.

Further, the bottom both sides of described bumper faceplate are respectively provided with fog lamp mouth.

Further, the surface of described upper retaining frame and lower retaining frame all carries out circular arc and seamlessly transits.

Further, the two ends of described lower retaining frame are located at the inside of upper retaining frame, and the spacing in the middle of upper retaining frame and lower retaining frame is equal It is not more than the width of longeron.

This utility model is a kind of bumper of heavy-duty car, and its advantage is：

Bumper faceplate top of the present utility model is smooth hollows it is ensured that the smooth fairing of its moulding is so as to fillet Transition is more smooth, can reduce the injury to pedestrian with effective protection knee joint；The auxiliary bumper set up prevents it to bumper Medial movement, reduces the lateral thrust that knee is subject to；The energy producing in collision is converted into by vibroshock by the deformation of itself Interior energy is absorbed, and by crossbeam transmission come impact force be delivered evenly on longeron skeleton, prevent simultaneously in the amount of invading excessive Cause the damage of the important spare parts such as electromotor, on the one hand the setting of pernetti is used for reducing vibroshock rear end in collision process Contraction distortion, on the other hand under the protection of pernetti, makes bumper more firm, this utility model is in safe and reliable premise Under more lightweight, be that the overall fuel-economizing of automobile contributes, reduce the injury to pedestrian simultaneously.

Brief description

Fig. 1 is a kind of structural representation of the bumper of heavy-duty car of this utility model.

Fig. 2 is to connect between a kind of bumper beam of the bumper of heavy-duty car of this utility model, longeron and vibroshock Structural representation.

Fig. 3 is the structural representation connecting between a kind of upper retaining frame of the bumper of heavy-duty car of this utility model and lower retaining frame Figure.

Label in accompanying drawing：1 is bumper faceplate, and 2 is bumper beam, and 3 is grid, and 4 is fog lamp mouth, and 5 is auxiliary bumper, 6 is bumper longeron, and 7 is upper retaining frame, and 8 is vibroshock, and 9 is lower retaining frame, and 10 is sponge bed course, and 11 is bolt hole, and 12 is bolt.

Specific embodiment

With reference to specific embodiment, this utility model is further described：

As shown in FIG. 1 to 3, a kind of bumper of heavy-duty car, including bumper faceplate 1 it is characterised in that described guarantor Dangerous thick stick mask 1 is divided into upper and lower, and the top of bumper faceplate 1 is smooth hollows, in the middle of the bottom of bumper faceplate 1 Setting grid 3, the bottom both sides of bumper faceplate 1 are respectively provided with fog lamp mouth 4, and bumper horizontal stroke is laid in the rear end of bumper faceplate 1 Beam 2, the both sides of bumper beam 2 are laid with bumper longeron 6 respectively, and auxiliary bumper 5 is set up in the bottom of grid 3, and bumper is horizontal Vibroshock 8 is installed between beam 2 and bumper longeron 6, the seam of vibroshock 8 and bumper longeron 6 arranges pernetti, described The lower retaining frame 9 that pernetti is included retaining frame 7 and mutually carried out grafting with upper retaining frame 7, the surface of upper retaining frame 7 and lower retaining frame 9 is all entered Row circular arc seamlessly transits, and upper retaining frame 7 and lower retaining frame 9 are " n " font, and the width of lower retaining frame 9 is less than the width of upper retaining frame 7, under The two ends of retaining frame 9 are located at the inside of upper retaining frame 7, and sponge bed course 10, upper retaining frame 7 and lower retaining frame 9 are laid in the both sides within lower retaining frame 9 Side offer bolt hole 11 respectively, by bolt 12, upper retaining frame 7 and lower retaining frame 9 are fixed as one, upper retaining frame 7 and lower shield No more than the width of longeron 6, described bumper faceplate 1 is that molded thermoplastics' composite is integrally formed to spacing in the middle of frame 9.

The embodiment of the above, simply preferred embodiment of the present utility model, only new in order to explain this practicality Type, not limits this utility model practical range, therefore all equivalence changes done in construction of the present utility model, feature and principle With improve etc., all should be included in this utility model claim.

Claims (4)

1. a kind of bumper of heavy-duty car, including bumper faceplate（1）It is characterised in that described bumper faceplate（1）It is divided into Upper and lower, bumper faceplate（1）Top be smooth hollows, bumper faceplate（1）Bottom middle setting grid （3）, bumper faceplate（1）Rear end lay bumper beam（2）, bumper beam（2）Both sides be laid with bumper respectively Longeron（6）, grid（3）Bottom set up auxiliary bumper（5）, bumper beam（2）With bumper longeron（6）Between be provided with and subtract Shake device（8）, vibroshock（8）With bumper longeron（6）Seam setting pernetti, described pernetti includes retaining frame（7）With With upper retaining frame（7）Mutually carry out the lower retaining frame of grafting（9）, upper retaining frame（7）With lower retaining frame（9）It is " n " font, lower retaining frame（9） Width be less than upper retaining frame（7）Width, lower retaining frame（9）Sponge bed course is laid in internal both sides（10）, upper retaining frame（7）With lower shield Frame（9）Side offer bolt hole respectively（11）, bolt hole（11）Interior installation bolt（12）, described bumper faceplate（1）For Molded thermoplastics' composite is integrally formed.

2. a kind of bumper of heavy-duty car according to claim 1 is it is characterised in that described bumper faceplate（1）'s Bottom both sides are respectively provided with fog lamp mouth（4）.

3. a kind of bumper of heavy-duty car according to claim 1 is it is characterised in that described upper retaining frame（7）With lower shield Frame（9）Surface all carry out circular arc and seamlessly transit.

4. a kind of bumper of heavy-duty car according to claim 1 is it is characterised in that described lower retaining frame（9）Two ends Positioned at upper retaining frame（7）Inside, upper retaining frame（7）With lower retaining frame（9）Middle spacing is no more than longeron（6）Width.