CN218228908U - Automobile bumper convenient to dismouting is changed - Google Patents

Abstract

The application discloses car bumper convenient to dismouting is changed, it includes: mounting panel, channel-section steel, reinforcing plate, plastic casing, limiting plate, stopper, fly leaf, first connecting rod, second connecting rod, buffer board, opening, bolt, nut, fixed block, steel sheet, screw rod, energy-absorbing material, first connecting plate, sleeve pipe, movable rod, sealing plug, second connecting plate, pivot, handle, integral key shaft, round hole, amalgamation piece, recess, trip, threaded rod, spline housing and slot hole. The beneficial effects of this application lie in that it adopts the mounting panel to carry out the stable installation of car bumper to can realize the high-speed joint through the limiting plate, utilize the cooperation of built-in pivot and integral key shaft and spline housing to realize quick fixed simultaneously, be favorable to improving the dismouting convenience of car bumper, and can improve the buffer capacity of the side striking of bumper, can play effective protect function when front or side striking.

Description

Automobile bumper convenient to disassemble, assemble and replace

Technical Field

The invention relates to an automobile bumper convenient to disassemble, assemble and replace, in particular to an automobile bumper convenient to disassemble, assemble and replace, and belongs to the technical field of automobile bumper application.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front part and the rear part of an automobile body, the front part and the rear part of the automobile are stamped into channel steel by steel plates before many years, the channel steel is riveted or welded with a frame longitudinal beam, a large gap is formed between the channel steel and the automobile body, the appearance is very unattractive, along with the development of the automobile industry and the large application of engineering plastics in the automobile industry, the automobile bumper also trends to an innovative road as an important safety device, the current front part and the rear part of the automobile also pursue harmony and unity with the shape of the automobile body besides the original protection function, and the light weight of the automobile are pursued, the front part and the rear part of the automobile are all made of plastics, which are called as plastic bumpers, the plastic bumpers of the common automobiles are composed of an outer plate, a buffer material and a cross beam, wherein the outer plate and the buffer material are made of plastics, the cross beam is punched by a cold-rolled sheet into a U-shaped groove, an outer plate and a buffer material are attached to the cross beam, and an automobile bumper (an anti-collision beam) is positioned in most areas in front of and behind an automobile, is designed on the surface to avoid the influence of damage to the automobile safety system caused by the outside of the automobile, has the capability of reducing the injury of drivers and passengers during high-speed impact, is more and more designed for pedestrian protection at present, the cross beam of the automobile bumper is connected with a frame longitudinal beam through a screw and can be detached at any time, the plastic used by the plastic bumper is mainly made of two materials of polyester series and polypropylene series by adopting an injection molding method, and the processed bumper has the advantages of high-strength rigidity and welding by adopting an alloy injection molding method, the plastic bumper has the advantages of good coating performance, more and more usage on the car, strength, rigidity and decoration, and can play a role in buffering when the car is in collision accident from the safety aspect, protect the front car body and the rear car body, be naturally combined with the car bodies from the appearance aspect, be integrated into a whole, have good decoration, and become an important part for decorating the appearance of the car.

In patent document "CN201921961661.5 a car bumper convenient to disassemble and assemble", it is through being provided with fastening bolt, the stiffening plate, the reinforced top plate, the joint base, spliced pole and spout, can joint the joint base at the outer wall of stiffening plate, the inner wall connection of the strong top plate has the stiffening plate simultaneously, screw up through fastening bolt, can carry out the layering disassembly and assembly of device, the energy-absorbing box, buffer spring, the second telescopic link, the buffering foam layer, multiple buffer measures, can the harm that the biggest degree alleviateing collision caused, protect personnel's life safety in the car, but the dismouting of car bumper is inconvenient, often in order to guarantee the wholeness of car outward appearance, need set up the connection site inside the bumper, can lead to the dismantlement of bumper inconvenient like this, also be difficult to carry out stable installation, bring inconvenience for car assembly maintenance, traditional bumper only plays collision protection through the crossbeam of steel material simultaneously, the plastic housing plays effective buffering with the buffer material, still can's the personnel's safety problem in the car still can's be guaranteed when receiving great impact, reduce the practicality of bumper. At present, no automobile bumper which is reasonable and reliable in structure, convenient to disassemble and assemble, capable of facilitating disassembly and assembly and improving the buffering performance of the automobile bumper and convenient to disassemble and assemble and replace exists.

Disclosure of Invention

In order to solve prior art's not enough, this application adopts the mounting panel to carry out automobile bumper's stable installation to can realize the high-speed joint through setting up the limiting plate, realize the outward appearance wholeness of automobile front and rear bumper with the plastic casing joint on the reinforcing plate surface again, utilize the cooperation of built-in pivot and integral key shaft and spline housing to realize quick fixed simultaneously, be favorable to improving automobile bumper's dismouting convenience.

More in order to solve the problem among the prior art: can play the buffering protect function simultaneously, plastic casing is through guaranteeing plastic casing's structural strength with the reinforcing plate cooperation, when playing anti striking function, utilizes the cooperation of energy-absorbing material and connecting plate to play effectual buffering guard action, avoids influencing driver and crew's safety problem when the impact force is great, improves the practicality of bumper.

Further in order to solve the problems in the prior art: can improve the buffer capacity of the side striking of bumper simultaneously, car bumper can play effective protect function when front or side striking, realizes buffering energy-absorbing effect through the cooperation of fly leaf and connecting rod, still can play good guard action when the striking face is less, is favorable to improving the performance of bumper, improves driver and crew's security.

In order to solve not enough among the prior art, this application provides a car bumper convenient to dismouting is changed, includes: the bumper comprises a mounting plate and a bumper main body, wherein the mounting plate and the bumper main body are fixedly connected with an automobile body, and the bumper main body consists of channel steel, a steel plate, a reinforcing plate and a plastic shell; the mounting plate is located between channel steel, the interior of the channel steel is connected with a movable plate in a sliding mode, two ends of the movable plate are respectively connected with a first connecting rod and a second connecting rod in a rotating mode, the other end of the first connecting rod is connected with a buffer plate in a rotating mode, the buffer plate is arranged on the surface of a reinforcing plate, the reinforcing plate is connected with a plastic shell in an attaching mode, the middle of the channel steel is in threaded insertion connection with a threaded rod, the end portion of the threaded rod is fixedly connected with a spline sleeve, the surface of the threaded rod is movably sleeved with a limiting plate, the end portion of the limiting plate is fixedly connected with a limiting block, a long hole is formed in the bottom of the channel steel, and the limiting block is connected with the interior of the long hole in an embedded mode; the energy-absorbing material and first connecting plate fixed connection are passed through to the reinforcing plate bottom, first connecting plate bottom fixed mounting has the sleeve pipe, the intraductal portion of cover cup joints with the movable rod activity, just movable rod top fixedly connected with second connecting plate, the second connecting plate rotates with the second connecting rod and is connected.

Furtherly, the quantity of channel-section steel is two, two be equipped with the mounting panel between the channel-section steel, the mounting panel is pegged graft with the channel-section steel gomphosis and is extended to the mounting panel bottom, the width of mounting panel is the same with the width of limiting plate, the mounting panel is connected with the laminating of channel-section steel bottom surface.

Further, the plastic casing is connected with the reinforcing plate in an embedded mode, clamping hooks are arranged at two ends of the plastic casing and connected with two ends of the channel steel in a clamped mode, splicing parts are arranged on two sides of the plastic casing and connected with frames on two sides of an automobile in an assembled mode to guarantee the appearance integrity of the automobile, and grooves are formed in the tops of the splicing parts.

Further, the inside fly leaf that is equipped with two symmetric distributions of channel-section steel, the fly leaf both ends are equipped with the first connecting rod and the second connecting rod that the slope distributes respectively, first connecting rod and second connecting rod all are located the slot hole inside.

Further, the inside buffer board that is equipped with two symmetric distributions of reinforcing plate, the buffer board is the arc structure and is located the both sides of bumper, the buffer board both ends are connected with channel-section steel and reinforcing plate laminating respectively, reinforcing plate surface threaded connection has the fixed block, a plurality of opening has all been seted up at the buffer board both ends, just the opening is connected with the fixed block gomphosis of T shape structure.

Further, the mounting panel runs through with the steel sheet middle part and pegs graft, steel sheet and channel-section steel fixed connection, the steel sheet edge all runs through with the screw rod all around and pegs graft, screw rod and automobile body threaded connection, steel sheet and channel-section steel all run through with the bolt and peg graft, bolt one end and nut threaded connection, the bolt other end is connected with the inside gomphosis of opening at buffer board top.

Further, be equipped with a plurality of energy-absorbing material between reinforcing plate and the first connecting plate, first connecting plate passes through sleeve pipe and reinforcing plate fixed connection, sheathed tube quantity is a plurality of, a plurality of sleeve pipe evenly distributed is around to first connecting plate, inside and movable rod sliding connection of sleeve pipe, movable rod tip and sealing plug fixed connection, the sealing plug cup joints with the inside sealing of sleeve pipe, just sealing plug and the inside cavity that is formed with of sleeve pipe.

Furthermore, first connecting plate and second connecting plate all cup joint with the pivot activity, the pivot both ends respectively with handle and integral key shaft fixed connection, the integral key shaft cup joints with the inside gomphosis of spline housing.

Furthermore, a round hole is formed in the middle of the reinforcing plate, the round hole is connected with the handle in an embedded mode, the handle is connected with the inner wall of the plastic shell in an attached mode, and through holes used for installing automobile lamps are formed in the two sides of the plastic shell and the reinforcing plate.

Furtherly, the mounting panel runs through with the steel sheet middle part and pegs graft, the limiting plate of mounting panel bottom is equipped with the stopper of two symmetric distributions, the length of limiting plate is the same with the distance between two channel-section steels, the limiting plate is connected with the laminating of channel-section steel bottom surface, the stopper is with the inside joint of slot hole of channel-section steel bottom.

The application has the advantages that: the utility model provides a reasonable in structure reliably and have make things convenient for dismouting function and improve the car bumper shock-absorbing capacity's the car bumper of dismouting change of being convenient for, it adopts the mounting panel to carry out the stable installation of car bumper, and can realize the high-speed joint through setting up the limiting plate, again with the plastic casing joint in the reinforcing plate surface realize the outward appearance wholeness of car front and back bumper, utilize built-in pivot and integral key shaft and spline housing's cooperation to realize quick fixed simultaneously, be favorable to improving the dismouting convenience of car bumper, simultaneously can play the buffering protect function, the plastic casing is through guaranteeing the structural strength of plastic casing with the reinforcing plate cooperation, when playing the anti-impact function, utilize the cooperation of energy-absorbing material and connecting plate can play effectual buffering guard action, avoid influencing driver and crew's safety problem when the impact force is great, improve the practicality of bumper, and can improve the buffer capacity of the side striking of bumper, car bumper can play effective protect function when front or side striking, realize the buffering effect through the cooperation of fly leaf and connecting rod, still can play good guard action when the striking face is less, be favorable to improve the safety performance of driver.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic view of a bumper of an automobile for easy replacement and disassembly according to an embodiment of the present application;

FIG. 2 is a schematic view of a first perspective structure of the embodiment shown in FIG. 1;

FIG. 3 is a schematic side view of the embodiment of FIG. 2;

FIG. 4 is an enlarged view of a portion of the embodiment A shown in FIG. 2;

FIG. 5 is a schematic top view of the embodiment of FIG. 2;

FIG. 6 is a schematic top view of the steel plate in the embodiment of FIG. 2;

FIG. 7 is a schematic perspective view of the embodiment of FIG. 2 showing the position of the buffer plate;

FIG. 8 is a schematic perspective view of the embodiment of FIG. 2 at the mounting plate;

FIG. 9 is a schematic perspective view of the first connecting plate of the embodiment of FIG. 2;

fig. 10 is a schematic perspective view of the embodiment shown in fig. 2.

The meaning of the reference symbols in the figures:

1. mounting panel, 2, channel-section steel, 3, the reinforcing plate, 4, plastic casing, 5, the limiting plate, 6, the stopper, 7, the fly leaf, 8, first connecting rod, 9, the second connecting rod, 10, the buffer board, 11, the opening, 12, the bolt, 13, the nut, 14, the fixed block, 15, the steel sheet, 16, the screw rod, 17, the energy-absorbing material, 18, first connecting plate, 19, the sleeve pipe, 20, the movable rod, 21, the sealing plug, 22, the second connecting plate, 23, the pivot, 24, the handle, 25, the integral key shaft, 26, the round hole, 27, the amalgamation, 28, recess, 29, the trip, 30, the threaded rod, 31, the spline housing, 32, the slot hole.

Detailed Description

In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 10, an automobile bumper facilitating disassembly, assembly and replacement includes: the bumper comprises a mounting plate 1 fixedly connected with an automobile body and a bumper main body, wherein the bumper main body comprises a channel steel 2, a steel plate 15, a reinforcing plate 3 and a plastic shell 4.

Referring to fig. 1 to 10, as an optimized scheme, wherein the mounting plate 1 is located between channel steel 2, the channel steel 2 is slidably connected to a movable plate 7, two ends of the movable plate 7 are rotatably connected to a first connecting rod 8 and a second connecting rod 9 respectively, the other end of the first connecting rod 8 is rotatably connected to a buffer plate 10, the buffer plate 10 is disposed on the surface of a reinforcing plate 3, the reinforcing plate 3 is attached to a plastic shell 4, the middle of the channel steel 2 is in threaded connection with a threaded rod 30, the end of the threaded rod 30 is fixedly connected to a spline housing 31, the surface of the threaded rod 30 is movably sleeved with a limiting plate 5, the end of the limiting plate 5 is fixedly connected to a limiting block 6, a long hole 32 is formed in the bottom of the channel steel 2, the limiting block 6 is embedded and connected to the inside of the long hole 32, and the channel steel 2 and a steel plate 15 play a role in buffering and impact resistance, plastics shell 4 plays the energy-absorbing buffering when slight striking with energy-absorbing material 17, first connecting rod 8 and second connecting rod 9 are connected with fly leaf 7, the rotation of the first connecting rod 8 of accessible and second connecting rod 9 and the cancellation of removal realization striking dynamics, effectively play the protective properties, improve automobile bumper's performance, can realize limiting plate 5's removal through setting up threaded rod 30, can realize being connected between with two channel-section steels 2 through the position of adjusting limiting plate 5, make the bumper realize after the installation with mounting panel 1 stable connection, only need during the dismantlement with stopper 6 and slot hole 32 separation, rotate limiting plate 5 again and can realize taking off of bumper behind the coincident position with mounting panel 1, improve the dismouting convenience, make things convenient for the whole change of bumper.

Referring to fig. 2 to 3 and fig. 9, as a specific scheme, energy-absorbing material 17 and first connecting plate 18 fixed connection are passed through to reinforcing plate 3 bottom, first connecting plate 18 bottom fixed mounting has sleeve pipe 19, sleeve pipe 19 is inside to cup joint with the activity of movable rod 20, just movable rod 20 top fixedly connected with second connecting plate 22, second connecting plate 22 rotates with second connecting rod 9 to be connected, and reinforcing plate 3 plays the effect of consolidating plastics shell 4, plays preliminary crashproof function, and sleeve pipe 19 and movable rod 20's cooperation makes it when taking place relative movement, make the inside formation pressure of sleeve pipe 19 through its inside sealing plug 21, further play the effect of buffering energy-absorbing, can drive sleeve pipe 19 and movable rod 20 respectively through the removal of first connecting plate 18 and second connecting plate 22 and remove, and then play the guard action.

Refer to fig. 1 to 3, as concrete scheme, the quantity of channel-section steel 2 is two, two be equipped with mounting panel 1 between the channel-section steel 2, mounting panel 1 pegs graft with 2 gomphosis of channel-section steel and extends to mounting panel 1 bottom, mounting panel 1's width is the same with limiting plate 5's width, mounting panel 1 is connected with the laminating of 2 bottom surfaces of channel-section steel, and the swift installation of bumper can be realized to channel-section steel 2 and mounting panel 1's cooperation, and when the installation, mounting panel 1 keeps the coincidence position with limiting plate 5 and inserts mounting panel 1 with the bumper is whole, and rotatory limiting plate 5 makes stopper 6 at its both ends correspond with the slot hole 32 middle part of channel-section steel 2 again, and threaded rod 30 this moment drives spline housing 31 and rotates and remove and can support limiting plate 5, and then pushes away stopper 6 to the inside realization of slot hole 32 and connect, and stopper 6 can restrict limiting plate 5's rotation this moment, and then realize the quick installation of bumper.

Referring to fig. 1 to 5, as adopting such scheme, plastic casing 4 is connected with 3 gomphosis of reinforcing plate, 4 both ends of plastic casing all are equipped with trip 29, trip 29 and 2 both ends joints of channel-section steel, 4 both sides of plastic casing all are equipped with amalgamation 27, amalgamation 27 is connected in order to guarantee car outward appearance wholeness with car both sides frame amalgamation, just recess 28 has been seted up at amalgamation 27 top, and plastic casing 4 plays certain energy-absorbing effect, guarantees the wholeness of bumper and car outward appearance simultaneously, and amalgamation 27 can make the outward appearance of bumper and frame neat, makes the bumper protected inside plastic casing 4.

Referring to fig. 2 to 3, as a specific scheme, the inside fly leaf 7 that is equipped with two symmetric distributions of channel-section steel 2, fly leaf 7 both ends are equipped with first connecting rod 8 and the second connecting rod 9 that the slope distributes respectively, first connecting rod 8 and second connecting rod 9 all are located slot hole 32 inside, and fly leaf 7 can move in channel-section steel 2 is inside, and fly leaf 7 can promote first connecting rod 8 or second connecting rod 9 and rotate when taking place the striking, realizes the cushioning effect through the negative pressure energy-absorbing reaction force of alleviating the elastic deformation power of buffer board 10 and sleeve pipe 19 and movable rod 20 formation with the impact force, improves the dynamics of shocking resistance of bumper.

Refer to fig. 2 to 4 and fig. 7, as the extension, the inside buffer board 10 that is equipped with two symmetric distributions of reinforcing plate 3, buffer board 10 is the arc structure and is located the both sides of bumper, buffer board 10 both ends are connected with the laminating of channel-section steel 2 and reinforcing plate 3 respectively, 3 surperficial threaded connection of reinforcing plate have fixed block 14, a plurality of opening 11 has all been seted up at buffer board 10 both ends, just opening 11 is connected with the 14 gomphosis of fixed block of T shape structure, and buffer board 10 is used for playing preliminary guard action, and buffer board 10 is connected with screw rod 16 and fixed block 14 respectively through opening 11 at its both ends, plays good buffering guard action.

Referring to fig. 1 to 4 and fig. 6, as the extension scheme, the grafting is run through in mounting panel 1 and steel sheet 15 middle part, steel sheet 15 and channel-section steel 2 fixed connection, 15 edges of steel sheet all run through the grafting with screw rod 16 all around, screw rod 16 and automobile body threaded connection, steel sheet 15 and channel-section steel 2 all run through the grafting with bolt 12, bolt 12 one end and nut 13 threaded connection, the bolt 12 other end is connected with the 11 inside gomphosis in opening at buffer board 10 top, and steel sheet 15 is used for channel-section steel 2 to be connected fixedly, plays shock resistance with the channel-section steel 2 cooperation simultaneously, can further improve installation stability through setting up screw rod 16.

Referring to fig. 2 to fig. 3 and fig. 9, as concrete scheme, be equipped with a plurality of energy-absorbing material 17 between reinforcing plate 3 and the first connecting plate 18, first connecting plate 18 passes through sleeve pipe 19 and reinforcing plate 3 fixed connection, sleeve pipe 19's quantity is a plurality of, a plurality of sleeve pipe 19 evenly distributed is around to first connecting plate 18, the inside and movable rod 20 sliding connection of sleeve pipe 19, movable rod 20 tip and sealing plug 21 fixed connection, sealing plug 21 cup joints with the inside sealing of sleeve pipe 19, just sealing plug 21 and the inside cavity that is formed with of sleeve pipe 19, energy-absorbing material 17 and plastic housing 4 play the buffering energy-absorbing, connect through 21 between sleeve pipe 19 and the movable rod 20, can drive sealing plug 21 when sleeve pipe 19 and movable rod 20 take place to stretch out and draw back and move in the cavity, extrude cavity formation sealing plug 21 in order to overcome partial impact force this moment, play buffering energy-absorbing guard action.

Referring to fig. 2 to 3 and fig. 8 and fig. 10, as the extension scheme, first connecting plate 18 and second connecting plate 22 all cup joint with the activity of pivot 23, 23 both ends of pivot respectively with handle 24 and integral key shaft 25 fixed connection, integral key shaft 25 cup joints with the inside gomphosis of spline housing 31, and pivot 23 can be at the inside removal of first connecting plate 18 and second connecting plate 22 or rotate, and pivot 23 promotes integral key shaft 25 and the spline housing 31 and cup joints the back, rotates handle 24 again, makes it drive threaded rod 30 screw up to mounting panel 1 inside, and spline housing 31 promotes limiting plate 5 simultaneously and removes the convenient installation that realizes the bumper.

Referring to fig. 2 to 3 and fig. 10, adopt such scheme, round hole 26 has been seted up at reinforcing plate 3 middle part, round hole 26 is inside to be connected with the gomphosis of handle 24, handle 24 is connected with the laminating of 4 inner walls of plastic casing, the through-hole that is used for the installation of car lamps and lanterns has all been seted up to plastic casing 4 and 3 both sides of reinforcing plate, realizes the bumper installation back through handle 24 and pivot 23, places handle 24 inside round hole 26, makes it support handle 24 to realize spacingly after installing plastic casing 4, makes spline housing 31 and integral key shaft 25 cup joint each other, and pharmacy plastic casing 4 can prevent that threaded rod 30 from taking place not hard up to lead to the bumper to appear the problem of droing with handle 24 keep in touch.

Refer to fig. 1 to fig. 3, adopt such scheme, the grafting is run through at mounting panel 1 and 15 middle parts of steel sheet, the limiting plate 5 of 1 bottom of mounting panel is equipped with the stopper 6 of two symmetric distributions, the length of limiting plate 5 is the same with two distance between the channel-section steel 2, limiting plate 5 is connected with the laminating of 2 bottom surfaces of channel-section steel, stopper 6 and the inside joint of slot hole 32 of 2 bottoms of channel-section steel, after being connected steel sheet 15 and frame in the installation, limiting plate 5 removes to 2 opposite sides of channel-section steel, promotes limiting plate 5 through spline housing 31 and supports channel-section steel 2 and realize compressing tightly fixedly, can realize the convenient installation of stability of bumper main part and automobile frame.

According to the technical scheme, the whole automobile bumper convenient to disassemble, assemble and replace adopts the mounting plate 1 to stably mount the automobile bumper, when the automobile bumper is mounted, the buffer plate 10 is rotated firstly, one end of the buffer plate is attached to the channel steel 2, at the moment, connection and fixation are realized through the matching of the screw 16 and the nut 13, at the moment, connection and fixation between the channel steel 2 and the steel plate 15 are realized, then the fixing block 14 on the reinforcing plate 3 is clamped at the other end of the buffer plate 10 to realize mounting of the reinforcing plate 3, after the operation is completed, the steel plate 15, the channel steel 2 and the reinforcing plate 3 are integrally mounted on the mounting plate 1, the steel plate 15 is inserted into the surface of the mounting plate 1, the mounting plate 1 is moved to the positions between the channel steel 2 at two sides, the limiting plate 5 and the mounting plate 1 coincide with each other at the moment, after the connection is completed, the spline shaft 23 is pushed to move, the spline shaft 25 is driven to be sleeved with the spline sleeve 31 to rotate, and rotate the limit plate 5 to the position vertical to the mounting plate 1, when the spline housing 31 drives the threaded rod 30 to rotate, the spline housing 31 pushes the limit plate 5 to be attached to the bottom of the channel steel 2, at the moment, the limit block 6 is driven to be clamped inside the limit block 6, the steel plate 15 and the channel steel 2 are mounted and fixed to the mounting plate 1, the rotating handle just moves to the inside of the round hole 26 of the reinforcing plate 3, after the operation is completed, the screw 16 is screwed to be fixed, the plastic shell 4 is attached to the surface of the reinforcing plate 3, the clamping and fixing are realized through the clamping hooks 29 at the two sides of the plastic shell 4, the splicing part 27 is driven to be connected with the frames at the two sides of the automobile to ensure the integrity of the appearance of the automobile, the end part of the screw 16 moves to the inside of the groove 28 to realize tight connection, the quick mounting is convenient to realize, the position limiting of the position of the rotating shaft 23 by the plastic shell 4 abutting against the handle 24, and the direct rotation of the handle 24 to operate when the subsequent dismounting is convenient, when disassembly is required, the bumper can be separated from the vehicle frame by simply removing the plastic shell 4 and loosening the screw 16, and rotating the handle 24.

When the bumper is impacted, the plastic shell 4 and the energy absorption material 17 play a role in buffering and energy absorption, and in the moving process of the first connecting plate 18, the second connecting plate 22 is pushed to move simultaneously, at the moment, the sleeve 19 and the movable rod 20 contract, the sealing plug 21 pushes the second connecting plate 22 to move after the gas in the compression cavity inside the sleeve 19 plays an energy absorption role, at the moment, the second connecting plate 22 drives the first connecting plate 8 to rotate, so that the first connecting plate 8 pushes the movable plate 7 to move inside the channel steel 2, and the second connecting plate 22 is driven by the movable plate 7 to move, so that the buffer plate 10 is pushed to deform, the straight impact force is decomposed into component forces towards two sides to play an effect of reducing the impact force, when the bumper is impacted from the side, the movable plate 7 moves towards the center of the channel steel 2 at the moment, the same protection effect can be achieved, a good role in buffering and energy absorption can be achieved when the bumper is impacted, and the safety of drivers and passengers is protected.

The foregoing is merely exemplary of the present application and is not intended to limit the present application, which may be modified or varied by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides an automobile bumper convenient to dismouting is changed which characterized in that:

the car bumper convenient to dismouting is changed includes: the bumper comprises a mounting plate (1) and a bumper main body, wherein the mounting plate is fixedly connected with an automobile body, and the bumper main body consists of a channel steel (2), a steel plate (15), a reinforcing plate (3) and a plastic shell (4);

the mounting plate (1) is located between channel steel (2), the channel steel (2) is internally connected with a movable plate (7) in a sliding mode, two ends of the movable plate (7) are respectively connected with a first connecting rod (8) and a second connecting rod (9) in a rotating mode, the other end of the first connecting rod (8) is connected with a buffer plate (10) in a rotating mode, the buffer plate (10) is arranged on the surface of a reinforcing plate (3), the reinforcing plate (3) is connected with a plastic shell (4) in a laminating mode, the middle of the channel steel (2) is in threaded insertion connection with a threaded rod (30), a spline sleeve (31) is fixedly connected with the end portion of the threaded rod (30), the surface of the threaded rod (30) is movably sleeved with a limiting plate (5), a limiting block (6) is fixedly connected with the end portion of the limiting plate (5), a long hole (32) is formed in the bottom of the channel steel (2), and the limiting block (6) is connected with the long hole (32) in an embedded mode;

reinforcing plate (3) bottom is through energy-absorbing material (17) and first connecting plate (18) fixed connection, first connecting plate (18) bottom fixed mounting has sleeve pipe (19), sleeve pipe (19) are inside to be cup jointed with movable rod (20) activity, just movable rod (20) top fixedly connected with second connecting plate (22), second connecting plate (22) rotate with second connecting rod (9) and are connected.

2. The automobile bumper convenient to disassemble, assemble and replace according to claim 1, characterized in that: the quantity of channel-section steel (2) is two, two be equipped with mounting panel (1) between channel-section steel (2), mounting panel (1) is pegged graft and is extended to mounting panel (1) bottom with channel-section steel (2) gomphosis, the width of mounting panel (1) is the same with the width of limiting plate (5), mounting panel (1) is connected with channel-section steel (2) bottom surface laminating.

3. The automobile bumper convenient to disassemble, assemble and replace according to claim 1, characterized in that: plastics shell (4) are connected with reinforcing plate (3) gomphosis, plastics shell (4) both ends all are equipped with trip (29), trip (29) and channel-section steel (2) both ends joint, plastics shell (4) both sides all are equipped with amalgamation piece (27), amalgamation piece (27) are connected in order to guarantee car outward appearance wholeness with car both sides frame amalgamation, just recess (28) have been seted up at amalgamation piece (27) top.

4. The automobile bumper convenient to disassemble, assemble and replace according to claim 1, characterized in that: channel-section steel (2) inside fly leaf (7) that are equipped with two symmetric distributions, fly leaf (7) both ends are equipped with first connecting rod (8) and second connecting rod (9) that the slope distributes respectively, first connecting rod (8) and second connecting rod (9) all are located inside slot hole (32).

5. The automobile bumper convenient to disassemble, assemble and replace according to claim 1, characterized in that: the bumper guard (10) of two symmetric distributions are equipped with in reinforcing plate (3) inside, bumper guard (10) are the arc structure and are located the both sides of bumper, bumper guard (10) both ends are laminated with channel-section steel (2) and reinforcing plate (3) respectively and are connected, reinforcing plate (3) surface threaded connection has fixed block (14), a plurality of opening (11) have all been seted up at bumper guard (10) both ends, just opening (11) are connected with fixed block (14) gomphosis of T shape structure.

6. The automobile bumper convenient to disassemble, assemble and replace according to claim 1, characterized in that: mounting panel (1) runs through with steel sheet (15) middle part and pegs graft, steel sheet (15) and channel-section steel (2) fixed connection, peg graft is run through with screw rod (16) all around at steel sheet (15) edge, screw rod (16) and automobile body threaded connection, peg graft is all run through with bolt (12) in steel sheet (15) and channel-section steel (2), bolt (12) one end and nut (13) threaded connection, the inside gomphosis of opening (11) at bolt (12) other end and buffer board (10) top is connected.

7. The automobile bumper convenient to disassemble, assemble and replace according to claim 1, characterized in that: be equipped with a plurality of energy-absorbing material (17) between reinforcing plate (3) and first connecting plate (18), sleeve pipe (19) and reinforcing plate (3) fixed connection are passed through in first connecting plate (18), the quantity of sleeve pipe (19) is a plurality of, a plurality of sleeve pipe (19) evenly distributed is around to first connecting plate (18), sleeve pipe (19) inside and movable rod (20) sliding connection, movable rod (20) tip and sealing plug (21) fixed connection, sealing plug (21) cup joints with sleeve pipe (19) inside sealing, just sealing plug (21) and sleeve pipe (19) inside are formed with the cavity.

8. The automobile bumper convenient to disassemble, assemble and replace according to claim 1, characterized in that: the first connecting plate (18) and the second connecting plate (22) are movably sleeved with a rotating shaft (23), two ends of the rotating shaft (23) are fixedly connected with a handle (24) and a spline shaft (25) respectively, and the spline shaft (25) is embedded and sleeved with the inside of a spline sleeve (31).

9. The automobile bumper convenient to disassemble, assemble and replace according to claim 1, characterized in that: round hole (26) have been seted up at reinforcing plate (3) middle part, round hole (26) inside is connected with handle (24) gomphosis, handle (24) are connected with the laminating of plastic casing (4) inner wall, the through-hole that is used for the installation of car lamps and lanterns has all been seted up to plastic casing (4) and reinforcing plate (3) both sides.

10. The automobile bumper convenient to disassemble, assemble and replace according to claim 1, characterized in that: mounting panel (1) runs through grafting with steel sheet (15) middle part, limiting plate (5) of mounting panel (1) bottom are equipped with stopper (6) of two symmetric distributions, the length of limiting plate (5) is the same with the distance between two channel-section steels (2), limiting plate (5) are connected with channel-section steel (2) bottom surface laminating, stopper (6) and slot hole (32) inside joint of channel-section steel (2) bottom.

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