CN208682944U

CN208682944U - A kind of left end structure of fascia pipe beam assembly

Info

Publication number: CN208682944U
Application number: CN201821204997.2U
Authority: CN
Inventors: 杨峰
Original assignee: Lifan Industry Group Co Ltd
Current assignee: Lifan Technology Group Co Ltd
Priority date: 2018-07-27
Filing date: 2018-07-27
Publication date: 2019-04-02
Anticipated expiration: 2028-07-27

Abstract

The utility model discloses a kind of left end structures of fascia pipe beam assembly, including for along vehicle-body width direction and face body front wall structure setting Guan Liang in manage, the left end of pipe is corresponding in Guan Liang is equipped with front wall mounting bracket and steering column mounting bracket, it is characterized in that, the steering column mounting bracket includes the seat board for being fixedly installed on the circumferential downside of pipe in Guan Liang, and the front end of seat board extends forward and the circumferential front side beyond pipe in Guan Liang is arranged to form the first connection position for being connected with steering column, the rear end of seat board extends back and exceeds the circumferential rear side setting of pipe in Guan Liang to form the second connection position for being connected with steering column；And steadying plate is fixedly installed between in seat board rear end upper surface and Guan Liang on rear side of pipe circumferential direction.The utility model has better intensity, the advantages of capable of preferably improving mode, can better meet automotive light weight technology design requirement.

Description

A kind of left end structure of fascia pipe beam assembly

Technical field

The utility model belongs to automobile technical field, ties in particular to a kind of left end of fascia pipe beam assembly Structure.

Background technique

Instrument board also known as instrument board are widely used in the driver's cabin of all vehicles and engineering machinery, mainly by instrument, The composition such as steering wheel, instrument board shell, instrument panel tube beam (instrument board framework) and dashboard cable harness.

Instrument board is located at immediately ahead of driver, can be integrated with trip odometer, speedometer, engine on the dash panel Revolution counter, fuel gauge etc..Driver can not only understand the basic driving status of vehicle by instrument board, but also can be right Air port, sound equipment, air-conditioning and light etc. are controlled, to enjoy more driving pleasures while ensuring safe.Closely Nian Lai, with the continuous progress of technology, more operating functions have been integrated on instrument board.

Instrument panel tube beam can be instrument board and its attachment, such as copilot side airbag, steering column and air-conditioning Part provides support.And instrument panel tube beam is to be connected directly by two positioning pins and multiple bolts with vehicle body, bears instrument board The load of assembly has large effect to vehicle safety.Certainly, in order to ensure the various instrument and part that are supported can be Run at high speed and vibrational state under work normally, instrument panel tube beam must have enough rigidity, and accident occurs in order to reduce When external force to just, the impact of copilot, also require instrument panel tube beam have good energy absorption capacity；Instrument panel tube beam must also simultaneously Meet lightweight requirements.

Chinese patent (CN206568898U) discloses a kind of dashboard for car pipe beam assembly, it is characterized in that, packet Include in Guan Liang pipe and pipe periphery coats in the Guan Liang pipe sleeve reinforcing rib, on the pipe sleeve reinforcing rib from left to right according to It is secondary be equipped with left mounting bracket, relay mounting bracket, steering column reinforced support, downside mounting bracket, middle control bracket, on Side mounting bracket, airbag mounting bracket and right mounting bracket；Pipe is made of aluminum-magnesium alloy material in the Guan Liang；Institute State pipe sleeve reinforcing rib, the left mounting bracket, the relay mounting bracket, the steering column reinforced support, the downside Mounting bracket, the middle control bracket, the upside mounting bracket, the airbag mounting bracket and right side installation branch Frame is made of nylon 66 material.

It is the lightweight requirements by the light-weighted material of selection to reach instrument panel tube beam design in above-mentioned patent, When meeting lightweight requirements, because using, pipe is made of aluminum-magnesium alloy material in Guan Liang, the airbag mounting bracket and The right mounting bracket is made of nylon 66 material, technical solution so that its cost and rigidity are affected.

Therefore, the present inventor devises a kind of fascia pipe beam assembly, including for along vehicle-body width direction and Managed in the Guan Liang of face body front wall structure setting, in Guan Liang the both ends of pipe be each provided with side mounting bracket for and vehicle body before Closed structure is fixedly connected；It is also corresponding on pipe in Guan Liang to be equipped with electric appliance mounting support, front wall mounting bracket, steering column installation branch Frame and middle control mounting bracket；It is characterized in that the middle control mounting bracket include along Guan Liang tube axis direction be set in distance Left support bar and right support bar, and left support bar entirety and right support bar are whole towards back to the direction of body front wall structure It is arranged diagonally downward, and the outer end of left support bar forms the connection end for being connected with front floor of automobile body；And the left branch Strut is circular tube structure；Interval is provided with several lightening holes along the axis direction of its own on left support bar.

But how the steering column mounting bracket in above-mentioned fascia pipe beam assembly should design and can have more Good intensity, can preferably improve mode, can better meet automotive light weight technology design requirement, become those skilled in the art Member further has technical problem to be solved.

Utility model content

In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of energy Enough there is better intensity, can preferably improve mode, the automotive meter of automotive light weight technology design requirement can be better met The left end structure of dash board pipe beam assembly.

In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:

A kind of left end structure of fascia pipe beam assembly, including for along vehicle-body width direction and before face vehicle body It is managed in the Guan Liang of closed structure setting, the left end of pipe is corresponding in Guan Liang is equipped with front wall mounting bracket and steering column mounting bracket, It is characterized in that the steering column mounting bracket includes the seat board for being fixedly installed on the circumferential downside of pipe in Guan Liang, and before seat board End extends forward and the circumferential front side beyond pipe in Guan Liang is arranged to form the first connection position for being connected with steering column, seat board Rear end extend back and exceed the circumferential rear side of pipe in Guan Liang and be arranged to form the second connection position for being connected with steering column； And steadying plate is fixedly installed between in seat board rear end upper surface and Guan Liang on rear side of pipe circumferential direction.

In this way, the first connection position and the second connection position on seat board be for being connected with steering column, on seat board before The weight of entire steering column is born at both ends afterwards, and for automobile when traveling or speed are very high on roughness pavement, seat board is in steering column Gravity under easily deform and vibrate.It is by the way that seat board deformation is solved in the thickness increasing of seat board under normal conditions The problem of with vibration.Studies have found that by by the increased mode of the thickness of seat board, the rear and front end of seat board be for turn It is connected and bears the force side of gravity to column, is still easily deformed and generates vibration.Therefore, in seat board rear end upper surface and Guan Liang It is fixedly installed steadying plate between the circumferential rear side of middle pipe, relative to the mode for thickening seat board, enables to total quality smaller, So that the rear end stressed effect of seat board is more preferable, so as to improve mode, it is unlikely to deform after stress, is not likely to produce vibration.

As optimization, after the left and right sides and rear end of the steadying plate bend downward and abut and be fixed on connecting base plate On the upper surface at end, and makes seat board, manages in Guan Liang and form box body structure between steadying plate.

In this way, forming box body structure between pipe and steadying plate in seat board, Guan Liang, it can be improved the mode of seat board rear end, make Obtaining the box body structure that seat board rear end is not susceptible to vibrate, and is formed under stress enables to seat board rear end to have more preferably Rigidity, be not susceptible to deform.

As optimization, the medium position of the seat board rear end arch upward upwards setting and formed first connecting portion and second connection Portion, the first connecting portion is affixed and is fixedly linked with the circumferential downside of pipe in Guan Liang, under the second connecting portion and steadying plate Surface is affixed and is fixedly connected.

In such manner, it is possible to the welded connecting in more convenient seat board and Guan Liang between pipe, meanwhile, between seat board and steadying plate It is affixed and the area being fixedly connected is bigger, can preferably guarantee the rigidity of seat board, so that seat board is not susceptible to deform.

As optimization, it is each provided in the first connecting portion and second connecting portion of seat board rear end through its own thickness The polygon relief hole in direction.

In such manner, it is possible to facilitate the welding of pipe in seat board and Guan Liang, it is convenient to beat solder joint；Also facilitate simultaneously seat board and steadying plate it Between weld, convenient solder joint of beating.

As optimization, the left and right ends of the seat board are respectively folded upward to form left plate and right side plate, and make seat board The " U "-shaped structure in section, and on left plate and right side plate with the respectively outward bending and corresponding of corresponding position is managed in Guan Liang Third interconnecting piece and fourth interconnecting piece of the formation for being affixed and being fixedly connected with the circumferential downside of pipe in Guan Liang.

In this way, seat board and the area that pipe in Guan Liang is affixed connection are bigger, seat board is connected to more stable after pipe in Guan Liang Reliably.Also, the box body structure formed between seat board and steadying plate is more stable, and strength and stiffness are more preferable.

As optimization, engaging lug, the " U "-shaped structure in the section of engaging lug are fixedly installed on the front underside of seat board And Open Side Down setting, steering column connecting hole is provided on engaging lug to form first connection position.

In this way, being conveniently steered the connection between column and seat board front end.And it is more reliable after connecting.

As optimization, on the rear end upper surface of seat board along Guan Liang the axis direction of pipe in the setting at interval there are two convex Nut is welded to form second connection position.

In this way, being conveniently steered the connection of column Yu seat board rear end, and connection type is more simple.

As optimization, the front wall mounting bracket includes front wall that is being fixedly connected on seat board front end and tilting upward setting Connecting plate, and the upper end of front wall connecting plate bends straight up and forms the connection for being affixed and being connected with body front wall structure Block.

In this way, tilt upward setting front wall connecting plate by present front edge of board, and the upper end of front wall connecting plate vertically to Upper bending simultaneously forms link block for being affixed and being connected with body front wall structure, and can facilitate will pipe and body front wall in Guan Liang Structure is connected.

As optimization, the support plate being inclined to set is being fixedly installed in the upper end of link block and Guan Liang between pipe, and And support plate, link block, front wall connecting plate and seat board front end surround trapezium structure jointly.

In this way, because the position corresponding with front wall connecting plate on Guan Liang can bear the gravity of steering column, and automobile is being made It moves or also suffers from inertia force when running at high speed.Therefore, it is necessary to front wall connecting plates to have preferable rigidity and bearing capacity. In above scheme, by the way that the support plate being inclined to set is being fixedly installed in the upper end of link block and Guan Liang between pipe, and Support plate, link block, front wall connecting plate and seat board front end surround trapezium structure jointly, when automobile is being braked or run at high speed When, power can be divided into two paths and respectively be transmitted to front wall connecting plate and support plate by link block elder generation stress, link block, through front wall The power of connecting plate is managed being transmitted in Guan Liang by seat board, and the power through support plate, which also passes in Guan Liang, manages, at this time two power Part component can be offset, and can be buffered to because of the inertia force generated when braking or running at high speed, can be reduced entire instrument The vibration of dash board.Also, the front wall mounting bracket being entirely connected with body front wall structure is in a prismatoid structure, so that it is tied Structure is more stable, is not susceptible to vibrate after stress, so that the stress of front wall connecting plate is more reasonable, can be good at guaranteeing front wall Connecting plate keeps original form after stress, is not susceptible to deform.

As optimization, the left and right sides of the support plate is respectively bent towards front wall connecting plate and each self-forming left support side Plate and right support side plate, and the medial surface of left support side plate is fixedly connected on the left side of front wall connecting plate, right support side plate Medial surface is fixedly connected on the right side of front wall connecting plate；And each self-retaining in the lower end of left support side plate and right support side plate connects It is connected on the upper surface of seat board front end.

In such manner, it is possible to improve the mode of front wall connecting plate, it is made to be not susceptible to vibrate.It is more stable after stress.

As optimization, lightening hole is provided on front wall connecting plate, support plate, left support side plate and right support side plate.

In such manner, it is possible to reduce the quality of entire pipe beam assembly, the requirement of vehicle light-weight design is better met.

Detailed description of the invention

Fig. 1 is a kind of axis side schematic diagram of fascia pipe beam assembly for having used the utility model structure.

Fig. 2 is the enlarged drawing of B location in Fig. 1.

Fig. 3 is the main view of Fig. 1.

Fig. 4 is Fig. 1 top view.

Fig. 5 is the left view of Fig. 1.

Fig. 6 is the structural schematic diagram of pipe in Guan Liang in Fig. 1.

Fig. 7 is the structural schematic diagram of side mounting bracket in Fig. 1.

Fig. 8 is the structural schematic diagram of front wall mounting bracket and steering column mounting bracket part in Fig. 1.

Fig. 9 is the A-A cross-sectional view of Fig. 8.

Figure 10 is the top view of Fig. 8.

Figure 11 is the left view of Fig. 8.

Specific embodiment

It is practical new to this below with reference to a kind of attached drawing of fascia pipe beam assembly for having used the utility model structure Type is described in further detail.

When specific implementation: as shown in Figure 1 to 11, a kind of fascia pipe beam assembly, including for along body width Direction and pipe 1 in the Guan Liang of face body front wall structure setting, in Guan Liang the both ends of pipe be each provided with side mounting bracket use It is fixedly connected in body front wall structure；It is also corresponding on pipe in Guan Liang to be equipped with electric appliance mounting support, front wall mounting bracket, turn To column mounting bracket and middle control mounting bracket；It is characterized in that, the middle control mounting bracket includes the tube axis direction along Guan Liang The left support bar 2 and right support bar 3 being set in distance, and left support bar entirety and right support bar are whole towards back to before vehicle body The direction of closed structure is arranged diagonally downward, and the outer end of left support bar forms the connecting pin for being connected with front floor of automobile body Portion；And the left support bar 2 is circular tube structure.

In the technical program, because entire instrument board is all mounted on instrument panel tube beam assembly, instrument panel tube beam assembly As load component, that is, there is better stability and rigidity after needing instrument panel tube beam assembly to be fixedly installed in vehicle body, and It also needs to meet Automobile Design lightweight requirements simultaneously.Automobile is connected during braking or acceleration with front floor of automobile body Left support bar will receive thrust and pulling force in its longitudinal direction.Therefore, by instrument panel tube beam assembly with front floor of automobile body The left support bar that is connected is designed to circular tube structure, and such design is not variable after stress so that the stressed effect of left support bar is more preferable Shape has preferably rigidity.Circular tube structure left support bar can preferably bear vehicle body and be transmitted to pushing away for instrument panel tube beam assembly Power and pulling force, so that entire Auto Instrument desk installation is more stable, meanwhile, the left support bar of circular tube structure also can satisfy automobile Design lightweight requirements.

In present embodiment, interval is provided with several along the axis direction of its own on left support bar 2 Lightening hole.

In such manner, it is possible to make the quality of left support bar smaller, it, can while improving the overall stiffness of left support bar Better meet Automobile Design lightweight requirements.

In present embodiment, the left support bar 2 includes the support rod upper section 4 being fixedly linked with pipe in Guan Liang, with And it is connected to the support rod lower section 5 of 4 outer end of support rod upper section, and the angle between support rod upper section and front floor of automobile body is less than branch Angle between strut lower section and front floor of automobile body.

In this way, support rod upper section after left support bar integrally pulling force and thrust by pipe in Guan Liang, on left support bar Connected position is bent between support rod lower section, can generate stress concentration, and can be to the pulling force and thrust shape being subject to At certain buffering, the purpose of protection left support bar can be played.

In present embodiment, skewed horizontal load bar is being provided between pipe in support rod upper section outer end lateral surface and Guan Liang 6, the both ends of the skewed horizontal load bar are respectively fixedly connected on the outside managed in Guan Liang with support rod upper section.

In this way, the connection in support rod horizontal segment and Guan Liang between pipe is more stable so that support rod horizontal segment relative to Pipe can preferably keep vertical in Guan Liang.So that stressed effect is more preferable.

In present embodiment, the first strut 7 being set in distance is additionally provided between left support bar and right support bar With the second strut 8, and the first strut and the respective both ends of the second strut are each secured on left support bar and right support bar.

In such manner, it is possible to improve the stability of left support bar and right support bar, while centering control can also be facilitated to be installed It is fixed.

In present embodiment, the position between the first strut and the second strut on left support bar is also connected with court The lower-left decoration board mount 9 extended to the left.

In such manner, it is possible to which convenient carry out installation fixation to lower decorative panel.

In present embodiment, in the Guan Liang pipe 1 in three-stage design, including be sequentially connected left section 10 of middle pipe, Middle pipe middle section 11 and right section 12 of middle pipe；Left section of middle pipe diameter that is equal with right section of middle pipe of diameter and being greater than middle pipe middle section.

In this way, pipe is designed in both ends formula in common Guan Liang, be divided into enlarged diameter section and reduced diameter section, enlarged diameter section and Reduced diameter section respectively corresponds the position of skipper room and copilot room, can guarantee that the quality of pipe in entire Guan Liang is smaller same When, so that the rigidity of pipe can satisfy requirement in entire Guan Liang.But because the diameter at pipe both ends in Guan Liang is different, this be there is pair In the side mounting bracket for being mounted on pipe left and right ends in Guan Liang answered from managed in Guan Liang connected component need to be designed as it is different Size is to remove matching tube Liang Zhongguan.By designing pipe in Guan Liang in three-stage, and make left section and right section of middle pipe of middle pipe Diameter is set as equal big, in this way in production, is selected in the mounting bracket of side with managing the component being connected in Guan Liang and may not need Matching, enable in the corresponding side mounting bracket for being mounted on pipe left and right ends in Guan Liang with the component energy being connected is managed in Guan Liang It is enough general, production cost is preferably reduced, more convenient can be produced.

In present embodiment, the diameter that left section and right section of middle pipe of the middle pipe is 50 to 60mm, the middle pipe middle section Diameter be 40 to 45mm.

In this way, design is more reasonable, more convenient can fabricate.Optimal, left section and right section of middle pipe of the middle pipe Diameter be 55mm, the diameter in the middle pipe middle section is 45mm.

In present embodiment, interval is provided with multiple losss of weight along its own axis direction on left section 10 of middle pipe Hole.

In such manner, it is possible to make the quality of pipe in entire Guan Liang smaller, and while meeting pipe overall stiffness in Guan Liang, Neng Gougeng Good meets Automobile Design lightweight requirements.

In present embodiment, in the axial direction that right section 12 of the middle pipe at least there is one to be used to install side mounting bracket Position.

In such manner, it is possible to make right section of middle pipe of length smaller, enable to the quality of pipe in entire Guan Liang smaller, meets pipe While Liang Zhongguan overall stiffness, Automobile Design lightweight requirements can be better met.

In present embodiment, the side mounting bracket include the connection structure for being connected with body front wall structure with And the support construction for being connected with instrument board；The support construction includes the side support plate 13 of elongated design, the side One end of support plate is fixedly connected in Guan Liang on pipe, and setting outward is managed in the other end vertical tube beam of side support plate and is equipped with and is used In the connecting hole being connected with instrument board tip inside；And it being provided with along its own length direction in what is be spaced in side support plate Lightening hole.

In this way, facilitating the bearing and installation of instrument board, and more convenient entire instrument panel tube beam assembly can be pacified Loaded in body front wall structure.Meanwhile automotive light weight technology can be better met in the lightening hole designed in side support plate and is set Meter requires.

In present embodiment, the connection structure includes the connecting plate 14 of elongated design, the connecting plate One surface is fixedly linked with pipe in Guan Liang, is vertically provided with outward for being plugged in body front wall knot on another surface of connecting plate The bolt 15 of structure, and on connecting plate along Guan Liang the both ends in pipe diameter direction respectively towards deviate from the bolt direction bent At the support end for being connected with instrument board, and make connecting plate " U "-shaped structure whole in the longitudinal direction.

In such manner, it is possible to convenient fixation and installation to instrument board.And it is more preferable to the support effects of instrument board.

In present embodiment, the electric appliance mounting support include elongated design and one end be fixedly connected on pipe First support plate 16, second support plate 17, third supporting plate 18, the 4th supporting plate 19 and the 5th supporting plate 20 on Liang Zhongguan； And the outer end of first support plate and second support plate is respectively towards body front wall structure setting, third supporting plate, the 4th supporting plate Respectively it is arranged diagonally downward towards the direction away from body front wall structure with the outer end of the 5th supporting plate；And along first support plate, Second support plate, third supporting plate, the 4th supporting plate and the 5th supporting plate length direction on be each provided with and be set in distance Lightening hole.

In such manner, it is possible to convenient installation and fixation to electric component, and first support plate, second support plate, third branch The lightening hole that frame plate, the 4th supporting plate and the 5th supporting plate are equipped with can better meet automotive light weight technology design requirement.

In present embodiment, collateral frame plate 21, the outer end of collateral frame plate are additionally provided on the outside of third supporting plate It forms electrical installation and uses connecting hole.

In such manner, it is possible to which convenient carry out installation fixation to electric component and harness.

In present embodiment, the steering column mounting bracket includes the seat for being fixedly installed on the circumferential downside of pipe in Guan Liang Plate 22, and the front end of seat board extends forward and circumferential front side setting beyond pipe in Guan Liang is to form for being connected with steering column The rear end of first connection position, seat board extend back and exceed the circumferential rear side setting of pipe in Guan Liang with formed for steering column phase The second connection position even；And steadying plate 23 is fixedly installed between in seat board rear end upper surface and Guan Liang on rear side of pipe circumferential direction.

In this way, the first connection position and the second connection position on seat board be for being connected with steering column, on seat board before The weight of entire steering column is born at both ends afterwards, and for automobile when traveling or speed are very high on roughness pavement, seat board is in steering column Gravity under easily deform and vibrate.It is by the way that seat board deformation is solved in the thickness increasing of seat board under normal conditions The problem of with vibration.Studies have found that by by the increased mode of the thickness of seat board, the rear and front end of seat board be for turn It is connected and bears the force side of gravity to column, is still easily deformed and generates vibration.Therefore, in seat board rear end upper surface and Guan Liang It is fixedly installed steadying plate between the circumferential rear side of middle pipe, relative to the mode for thickening seat board, enables to its rigidity better Meanwhile, it is capable to make total quality smaller so that the rear end stressed effect of seat board is more preferable, so as to improve mode, by It is unlikely to deform after power, is not likely to produce vibration.

In present embodiment, the left and right sides and rear end of the steadying plate 23, which bend downward and abut, to be fixed on On the upper surface of connecting base plate rear end, and makes seat board, manages in Guan Liang and form box body structure between steadying plate.

In present embodiment, the medium position of 22 rear end of seat board arches upward upwards setting and forms first connecting portion And second connecting portion, the first connecting portion are affixed and are fixedly linked with the circumferential downside of pipe in Guan Liang, the second connecting portion with The lower surface of steadying plate is affixed and is fixedly connected.

In present embodiment, it is each provided in the first connecting portion and second connecting portion of seat board rear end through it The polygon relief hole in thickness direction.

In present embodiment, the left and right ends of the seat board 22 are respectively folded upward to form left plate 24 and right side plate 25, and make the " U "-shaped structure in the section of seat board, and the position corresponding with being managed in Guan Liang on left plate and right side plate respectively to Outer bending simultaneously corresponding is formed for being affixed with the circumferential downside of pipe in Guan Liang and the third interconnecting piece being fixedly connected and the 4th is connect Portion.

In present embodiment, engaging lug 26, the section of engaging lug are fixedly installed on the front underside of seat board " U "-shaped structure and Open Side Down setting, steering column connecting hole is provided on engaging lug to form first connection position.

In present embodiment, the axis direction of pipe is in the setting at interval along Guan Liang on the rear end upper surface of seat board There are two project-welding nuts to form second connection position.

In present embodiment, the front wall mounting bracket is fixedly connected on seat board front end and tilts upward and set The front wall connecting plate 27 set, and the upper end of front wall connecting plate bends straight up and is formed for being affixed simultaneously with body front wall structure Connected link block 28.

In present embodiment, the branch being inclined to set is being fixedly installed in the upper end of link block and Guan Liang between pipe Fagging 29, and support plate, link block, front wall connecting plate and seat board front end surround trapezium structure jointly.

In present embodiment, the left and right sides of the support plate is respectively bent towards front wall connecting plate and each self-forming Left support side plate 30 and right support side plate 31, and the medial surface of left support side plate is fixedly connected on the left side of front wall connecting plate, The medial surface of right support side plate is fixedly connected on the right side of front wall connecting plate；And under left support side plate and right support side plate End is respectively fixedly connected on the upper surface of seat board front end.

In present embodiment, it is provided on front wall connecting plate, support plate, left support side plate and right support side plate Lightening hole.

Claims

1. a kind of left end structure of fascia pipe beam assembly, including for along vehicle-body width direction and face body front wall (1) is managed in the Guan Liang of structure setting, the left end of pipe is corresponding in Guan Liang is equipped with front wall mounting bracket and steering column mounting bracket, It is characterized in that, the steering column mounting bracket includes the seat board (22) for being fixedly installed on the circumferential downside of pipe in Guan Liang, and seat board Front end extend forward and the circumferential front side beyond pipe in Guan Liang is arranged to form the first connection position for being connected with steering column, The rear end of seat board extends back and exceeds the circumferential rear side setting of pipe in Guan Liang to form the second company for being connected with steering column Connect position；And steadying plate (23) are fixedly installed between in seat board rear end upper surface and Guan Liang on rear side of pipe circumferential direction.

2. a kind of left end structure of fascia pipe beam assembly as described in claim 1, which is characterized in that the steadying plate (23) the left and right sides and rear end, which bends downward and abut, to be fixed on the upper surface of connecting base plate rear end, and makes seat Box body structure is formed between pipe and steadying plate in plate, Guan Liang.

3. a kind of left end structure of fascia pipe beam assembly as claimed in claim 2, which is characterized in that the seat board (22) medium position of rear end arches upward upwards setting and forms first connecting portion and second connecting portion, the first connecting portion and pipe The circumferential downside Liang Zhongguan is affixed and is fixedly linked, and the second connecting portion is affixed and is fixedly connected with the lower surface of steadying plate.

4. a kind of left end structure of fascia pipe beam assembly as claimed in claim 3, which is characterized in that in seat board rear end First connecting portion and second connecting portion on be each provided with polygon relief hole through its own thickness direction.

5. a kind of left end structure of fascia pipe beam assembly as claimed in claim 3, which is characterized in that the seat board (22) left and right ends are respectively folded upward to form left plate (24) and right side plate (25), and make the section of seat board " U "-shaped Structure, and the position corresponding with being managed in Guan Liang on left plate and right side plate respectively outward bending and it is corresponding formed for pipe The third interconnecting piece and the 4th interconnecting piece that the circumferential downside Liang Zhongguan is affixed and is fixedly connected.

6. a kind of left end structure of fascia pipe beam assembly as described in claim 1, which is characterized in that before seat board End lower surface on be fixedly installed engaging lug (26), the " U "-shaped structure in the section of engaging lug and Open Side Down setting, in engaging lug On be provided with steering column connecting hole to form first connection position.

7. a kind of left end structure of fascia pipe beam assembly as described in claim 1, which is characterized in that after seat board Holding the axis direction of the pipe along Guan Liang on upper surface in the setting being spaced, there are two project-welding nuts to form second connection position.

8. a kind of left end structure of fascia pipe beam assembly as described in claim 1, which is characterized in that the front wall peace Filling bracket includes front wall connecting plate (27) that is being fixedly connected on seat board front end and tilting upward setting, and front wall connecting plate is upper End bends straight up and forms the link block (28) for being affixed and being connected with body front wall structure.

9. a kind of left end structure of fascia pipe beam assembly as claimed in claim 8, which is characterized in that in link block The support plate (29) being inclined to set is fixedly installed in upper end and Guan Liang between pipe, and support plate, link block, front wall connect Plate and seat board front end surround trapezium structure jointly.

10. a kind of left end structure of fascia pipe beam assembly as claimed in claim 9, which is characterized in that the support The left and right sides of plate is respectively bent towards front wall connecting plate and each self-forming left support side plate (30) and right support side plate (31), and The medial surface of left support side plate is fixedly connected on the left side of front wall connecting plate, before the medial surface of right support side plate is fixedly connected on Enclose the right side of connecting plate；And the lower end of left support side plate and right support side plate is respectively fixedly connected on the upper table of seat board front end On face；

Lightening hole is provided on front wall connecting plate, support plate, left support side plate and right support side plate.