CN110239630B - Curved surface automobile front cross beam assembly - Google Patents
Curved surface automobile front cross beam assembly Download PDFInfo
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- CN110239630B CN110239630B CN201910587728.1A CN201910587728A CN110239630B CN 110239630 B CN110239630 B CN 110239630B CN 201910587728 A CN201910587728 A CN 201910587728A CN 110239630 B CN110239630 B CN 110239630B
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- top frame
- seat
- supporting top
- mounting
- roof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/06—Fixed roofs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
- B62D27/026—Connections by glue bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/04—Connections between superstructure or understructure sub-units resilient
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/06—Connections between superstructure or understructure sub-units readily releasable
- B62D27/065—Connections between superstructure or understructure sub-units readily releasable using screwthread
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a curved automobile front cross beam assembly, which comprises an automobile top cover and a front cross beam main body, wherein the front cross beam main body is transversely fixed at the front top of the automobile top cover, supporting bases are arranged on the periphery of the bottom of the automobile top cover, the supporting bases on the same side are connected with two ends of a connecting rod, the connecting rods on two sides are connected through two reinforcing rods, the reinforcing rods are embedded in the bottom side of the automobile top cover, mounting seats are arranged on the periphery of the top of the automobile top cover, sockets are arranged at one ends of a first supporting top frame and a second supporting top frame, and the first supporting top frame and the second supporting top frame are fixed on the mounting seats through the sockets. So as to be beneficial to the noise reduction of the automobile.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a curved surface automobile front cross beam assembly.
Background
The automobile front cross beam assembly comprises an automobile top cover and a front cross beam main body, wherein the automobile top cover is a cover plate at the top of a carriage, the automobile top cover front cross beam is a bearing part of an automobile body top cover, and is of a three-dimensional curved plate structure, high in strength and good in rigidity, and can guarantee the bearing capacity of an automobile body so as to adapt to the requirement of automobile body collision regulations, the automobile top cover front cross beam is transversely fixed at the front top of the automobile body top cover, and the automobile top cover front cross beam and the automobile top cover.
The existing automobile top cover front beam is formed by stamping a strip steel plate to form an irregular curved plate structure capable of containing connecting pieces, the front edge and the rear edge of an installation plate are lap edges, the edge part and the lap edge part are required to be tightly attached to an automobile body top cover during installation, the automobile body top cover is usually arched, the processing precision of the edge part of the automobile top cover rear beam is difficult to reach a curved surface structure matched with the automobile body top cover, the edge part and the lap edge part are often interfered with the automobile body top cover to form an assembly gap, welding is not facilitated, and abnormal sound and abrasion can be generated due to extrusion friction between the automobile top cover rear beam and the automobile body top cover along with automobile vibration and noise reduction; meanwhile, the roof cover is generally provided with a roof frame, but the existing roof frame is complicated to operate when being installed, the firmness of the installed roof frame is low, and the safe driving is easily influenced by the shaking of the automobile on a bumpy road section; meanwhile, the existing roof rack and the roof are easy to collapse when an accident occurs, so that the injury to passengers and drivers in the vehicle is caused.
Disclosure of Invention
The invention aims to provide a curved automobile front cross beam assembly, which aims to overcome the defect that the existing automobile roof front cross beam is stamped by a strip-shaped steel plate to form an irregular curved plate structure capable of accommodating a connecting piece, the front edge and the rear edge of a mounting plate are lap edges, the edges and the lap edges are required to be tightly attached to an automobile body roof during mounting, the automobile body roof is usually arched, the processing precision of the edges of the automobile roof rear cross beam is difficult to reach a curved surface structure matched with the automobile body roof, the curved surface structure is often interfered with the automobile body roof to form an assembly gap, welding is not facilitated, and due to the existence of the assembly gap, abnormal sound and abrasion can be generated by extrusion friction between the automobile roof rear cross beam and the automobile body roof along with automobile vibration, and; meanwhile, the roof cover is generally provided with a roof frame, but the existing roof frame is complicated to operate when being installed, the firmness of the installed roof frame is low, and the safe driving is easily influenced by the shaking of the automobile on a bumpy road section; meanwhile, the existing roof rack and the roof are easy to collapse when an accident occurs, and the technical problem of injury to passengers and drivers in the automobile is solved.
The purpose of the invention can be realized by the following technical scheme:
a curved surface automobile front beam assembly comprises a roof cover and a front beam main body, wherein the front beam main body is transversely fixed at the front top of the roof cover, supporting bases are arranged on the periphery of the bottom of the roof cover, the supporting bases are connected with two ends of a connecting rod at the same side, the connecting rod is connected at two sides through two reinforcing rods, the reinforcing rods are embedded in the bottom side of the roof cover, mounting seats are arranged on the periphery of the top of the roof cover, sockets are arranged at one ends of a first supporting top frame and a second supporting top frame, the first supporting top frame and the second supporting top frame are fixed on the mounting seats through the sockets, a plurality of protection mechanisms are arranged at the bottom sides of the first supporting top frame and the second supporting top frame at two sides, a plurality of rotary rods are arranged between the first supporting top frame and the second supporting top frame at two sides, a folding limiting plate is arranged at the top sides of the rotary rods, and a first sleeve seat is arranged at one end of, a sliding seat is arranged at one end of the second supporting top frame and positioned in the first sleeve seat, a first spring is arranged in the first sleeve seat, one end of the first spring is connected with the inner wall of the first sleeve seat, the other end of the first spring is connected with the sliding seat, sliding rods are arranged in the sliding seat and positioned at two sides of the first spring, and the sliding rods penetrate through the sliding seat;
the protection mechanism comprises a second sleeve seat, a baffle seat, a buffer seat, a second spring and a telescopic rod, the second sleeve seat is fixedly welded below a first supporting top frame and a second supporting top frame, the second spring is installed inside the second sleeve seat, the top end of the second spring is connected with the top wall inside the second sleeve seat, the bottom end of the second spring is connected with the baffle seat, the telescopic rod is installed at the bottom of the baffle seat, and the buffer seat is installed by penetrating through the side wall of the bottom of the second sleeve seat;
the front cross beam main part includes mounting panel, preceding scrap (bridge), back scrap (bridge), rubber coating groove, strengthens protruding chamber and strengthens the cavity, the front cross beam body includes longitudinal extension's mounting panel, the mounting panel is the curved surface structure, the mounting panel forward position be equipped with forward downside extend with the overlap joint of car roof preceding scrap (bridge), the mounting panel back edge be equipped with backward downside extend with the overlap joint of car roof back scrap (bridge), the back scrap (bridge outside is equipped with the sunken rubber coating groove of three-section, mounting panel outside surface is provided with a plurality of and strengthens protruding chamber and strengthen the cavity.
As a further scheme of the invention: the front cross beam main body is of a three-dimensional curved plate structure, and the front cross beam main body and the roof cover are fixedly welded through lapping.
As a further scheme of the invention: four first screw hole has all been seted up in the support base outside, the connecting rod both ends all are provided with the installation ear, and wherein first bolt passes installation ear and first screw hole threaded connection is fixed.
As a further scheme of the invention: the socket is T type piece, T type groove has been seted up to the mount pad, T type piece and T type groove cooperation installation, four the fixed block is all installed to the mount pad top side, second screw hole has been seted up to socket one side, and the second bolt passes fixed block and second screw hole threaded connection fixed.
As a further scheme of the invention: first support roof-rack and second support roof-rack one side are provided with a plurality of connecting seat, and connecting seat one side center department has seted up the jack, and the connecting seat outside has seted up the external screw thread, the swing arm both ends are provided with the link respectively, the link outside is provided with annular spacing ring, the swing arm both ends outside just is located spacing ring one side and all overlaps and is equipped with the buckle, the buckle inboard is seted up there is the internal thread, swing arm both ends link inserts respectively in the first jack that supports roof-rack in both sides and second support roof-rack, through the rotatory threaded connection of buckle in the link outside.
As a further scheme of the invention: the sliding rod is connected with the sliding seat in a sliding mode, the rotary rods are located in the middle of the sliding seat, the rotary rods are located above the sliding seat, and the folding limiting plates are matched and fixed with the rotary rods.
As a further scheme of the invention: the mounting plate is provided with a plurality of mounting holes which are longitudinally distributed, the mounting plate body at the mounting hole is of a convex structure or a concave cavity structure, the cross section of the three sections of sunken glue coating grooves which are arranged on the rear lap is arc-shaped, the depth of each glue coating groove is 3-4mm, and the width of the notch of each glue coating groove is 10 mm.
As a further scheme of the invention: transversely strengthen protruding chamber and strengthen the cavity along the mounting panel middle symmetry, transversely strengthen protruding chamber and form by the plate body evagination of the mounting panel department that corresponds, transversely strengthen the cavity and form by the plate body undercut of the mounting panel department that corresponds.
As a further scheme of the invention: the mounting panel both ends middle part is equipped with the engaging lug of buckling downwards, the engaging lug is 90 degrees contained angles with the mounting panel.
As a further scheme of the invention: the mounting steps of the front beam assembly are as follows:
the method comprises the following steps: firstly, the front beam main body and the car roof are installed and connected, the front beam main body and the car roof are inserted into a notch on a side wall through a connecting lug, the lap joint is preliminarily positioned, the front edge of the installation plate is provided with a front lap edge extending towards the front lower side and lapped with the car roof, the front lap edge of the front beam main body is welded and fixed with the car roof, the rear edge of the installation plate is provided with a rear lap edge extending towards the rear lower side and lapped with the car roof, and expansion glue is smeared in three sections of sunken glue coating grooves on the rear lap edge of the front beam main body and is adhered and fixed;
step two: inserting the socket of the first supporting top frame into one mounting seat on the same side, penetrating a fixing block through a second bolt to be in threaded connection and fixed with a second threaded hole of the socket, compressing a first spring by a sliding seat of the second supporting top frame in a first sleeve seat along a sliding rod until the total length of the first supporting top frame and the second supporting top frame is lower than the length of the mounting seat on the same side, then inserting the socket of the second supporting top frame into the other mounting seat on the same side, returning the first spring to the state that the socket of the second supporting top frame is matched with the mounting seat, and then connecting and fixing the socket with the second threaded hole through the second bolt;
step three: connecting ends at two ends of the rotating rod are respectively inserted into the inserting holes of the first supporting top frame and the second supporting top frame at two sides, the rotating rod is fixed by the buckle rotating outside the connecting end and the connecting seat in threaded connection, and then the folding limiting plate is placed above the rotating rod to complete the installation of the roof frame;
step four: first screw hole has all been seted up in the support base outside of roof lid bottom, pass the installation ear at connecting rod both ends and the first screw hole threaded connection who supports the base through first bolt and realize fixedly, and the connecting rod of both sides is connected through two stiffeners, and the stiffener is inlayed inside roof lid bottom side, reinforce the roof lid, the protection machanism of roof frame bottom is being received when assaulting to first support roof-rack and second support roof-rack simultaneously, when first support roof-rack and second support roof-rack bending fracture promptly, buffer seat contact roof cover through the bottom shifts up with the fender seat, compress the second spring in the second cover seat, absorb the impact force through the second spring buffering.
Compared with the prior art, the invention has the beneficial effects that:
1. the socket of the first supporting top frame is inserted into one mounting seat on the same side, a second bolt penetrates through a fixed block and is in threaded connection and fixation with a second threaded hole of the socket, a sliding seat of the second supporting top frame is inserted into one first sleeve seat to compress a first spring along a sliding rod until the total length of the first supporting top frame and the second supporting top frame is lower than the length of the mounting seat on the same side, then the socket of the second supporting top frame is inserted into the other mounting seat on the same side, the first spring returns to the socket of the second supporting top frame to be matched with the mounting seat, then the socket and the mounting seat are in threaded connection and fixation with the second threaded hole through the second bolt, connecting ends at two ends of a rotary rod are respectively inserted into inserting holes of the first supporting top frame and the second supporting top frame on two sides, the rotary rod is fixed through the buckle in the outer side of the connecting end and the threaded connection of the buckle and the connecting seat, then a folding limiting plate is placed, the installation of the roof rack is conveniently and rapidly completed, and the installed roof rack is firm, so that the normal driving of the automobile at a bumpy road section is ensured;
2. the outer sides of the supporting bases at the bottom of the car roof cover are respectively provided with a first threaded hole, a first bolt penetrates through mounting lugs at two ends of the connecting rod to be in threaded connection with the first threaded holes of the supporting bases to realize fixation, the connecting rods at two sides are connected through two reinforcing rods, the reinforcing rods are embedded in the bottom side of the car roof cover to reinforce the car roof cover, meanwhile, when the protecting mechanisms at the bottoms of the first supporting top frame and the second supporting top frame are impacted, namely when the first supporting top frame and the second supporting top frame are bent and broken, the buffer bases at the bottoms are in contact with the car roof cover to drive the telescopic rods and the baffle bases to move upwards, the second springs are compressed in the second sleeve bases, the impact force is absorbed through the second springs in a buffering mode, the overall strength of the car roof cover is enhanced, and the impact force is absorbed and relieved by the protecting mechanisms when the;
3. the structure of the front beam main body is optimized, the rigidity and the high strength of the front beam main body are guaranteed, the three sections of glue coating grooves are arranged, the expansion glue effect is fully exerted, the assembly gap is eliminated, the glue coating accuracy is higher, abnormal sound and abrasion caused by extrusion friction are avoided, and the automobile noise reduction is facilitated.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a roof structure of the present invention;
FIG. 2 is a schematic view of a swing link mounting structure of the roof panel of the present invention;
FIG. 3 is a schematic view of the underside structure of the roof cover of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 1 in accordance with the present invention;
FIG. 5 is a schematic view of the internal structure of the first socket of the present invention;
FIG. 6 is a schematic view of the internal structure of the protection mechanism of the present invention;
FIG. 7 is a cross-sectional view of the mounting of the swing arm and the first and second support jacks of the present invention;
FIG. 8 is a front elevational view of the front cross member body of the present invention;
FIG. 9 is a side view of the front cross member body of the present invention.
In the figure: 1. a roof cover; 2. a mounting seat; 3. a support base; 4. a connecting rod; 5. a first supporting top frame; 6. a second supporting top frame; 7. folding the limiting plate; 8. a protection mechanism; 9. rotating the rod; 10. a reinforcing bar; 11. a fixed block; 12. a socket; 13. a first nest base; 14. a slide bar; 15. a slide base; 16. a first spring; 17. a second socket; 18. a blocking seat; 19. a buffer seat; 20. a second spring; 21. a telescopic rod; 22. a connecting seat; 23. a jack; 24. a limiting ring; 25. a connecting end; 26. buckling; 27. mounting a plate; 28. front lapping; 29. then, lapping edges; 30. gluing a slot; 31. a reinforcing convex cavity; 32. reinforcing the concave cavity; 33. and (5) connecting lugs.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, a curved automobile front beam assembly comprises a roof cover 1 and a front beam body, the front beam body is transversely fixed on the front top of the roof cover 1, supporting bases 3 are arranged around the bottom of the roof cover 1, the supporting bases 3 on the same side are connected with two ends of a connecting rod 4, the connecting rods 4 on two sides are connected through two reinforcing rods 10, the reinforcing rods 10 are embedded in the bottom side of the roof cover 1, a mounting seat 2 is arranged around the top of the roof cover 1, a socket 12 is arranged at one end of each of a first supporting top frame 5 and a second supporting top frame 6, the first supporting top frame 5 and the second supporting top frame 6 are fixed on the mounting seat 2 through the socket 12, a plurality of protection mechanisms 8 are arranged at the bottom side of each of the first supporting top frame 5 and the second supporting top frame 6 on two sides, a plurality of rotary rods 9 are arranged between the first supporting top frame 5 and the second supporting top frame 6 on two sides, a plurality of rotary rods 9 are provided with folding limit, a first sleeve seat 13 is arranged at one end of the first supporting top frame 5, a sliding seat 15 is arranged at one end of the second supporting top frame 6 and positioned inside the first sleeve seat 13, a first spring 16 is arranged inside the first sleeve seat 13, one end of the first spring 16 is connected with the inner wall of the first sleeve seat 13, the other end of the first spring 16 is connected with the sliding seat 15, sliding rods 14 are arranged inside the sliding seat 15 and positioned at two sides of the first spring 16, and the sliding rods 14 penetrate through the sliding seat 15, so that the mounting of the roof frame can be completed through the compression of the first spring 16;
the protection mechanism 8 comprises a second sleeve seat 17, a baffle seat 18, a buffer seat 19, a second spring 20 and an expansion link 21, the second sleeve seat 17 is fixedly welded below the first supporting top frame 5 and the second supporting top frame 6, the second spring 20 is installed inside the second sleeve seat 17, the top end of the second spring 20 is connected with the top wall inside the second sleeve seat 17, the bottom end of the second spring is connected with the baffle seat 18, the expansion link 21 is installed at the bottom of the baffle seat 18, the expansion link 21 penetrates through the bottom side wall of the second sleeve seat 17 and is installed with the buffer seat 19, the overall strength of the roof cover 1 is enhanced, meanwhile, the impact force is absorbed and relieved by the protection mechanism 8 when the roof cover is impacted, and the safety of automobile driving is ensured;
the front beam main part includes mounting panel 27, preceding scrap (bridge) 28, back scrap (bridge) 29, the rubber coating groove 30, strengthen protruding chamber 31 and strengthen cavity 32, the front beam body includes longitudinal extension's mounting panel 27, mounting panel 27 is the curved surface structure, mounting panel 27 forward edge be equipped with down the extension forward with the overlap joint preceding scrap (bridge) 28 of roof cover 1, mounting panel 27 back edge be equipped with backward downside extend with roof cover 1 overlap joint back scrap (bridge) 29, the back scrap (bridge) 29 outside is equipped with the sunken rubber coating groove 30 of three-section, mounting panel 27 outside surface is provided with a plurality of and strengthens protruding chamber 31 and strengthen cavity 32.
The front beam main body is of a three-dimensional curved plate structure, and the front beam main body and the car roof cover 1 are fixedly welded through lapping, so that the front beam main body and the car roof cover 1 can be conveniently installed and fixed.
First screw hole has all been seted up in the 3 outsides of four support bases, and connecting rod 4 both ends all are provided with the installation ear, and wherein first bolt passes the installation ear and first screw hole threaded connection is fixed, and the connection installation of connecting rod 4 of being convenient for improves roof 1's bulk rigidity and intensity.
First support roof-rack 5 and second support roof-rack 6 one side are provided with a plurality of connecting seat 22, and connecting seat 22 one side center department has seted up jack 23, and the connecting seat 22 outside has seted up the external screw thread, the swing arm 9 both ends are provided with link 25 respectively, the link 25 outside is provided with annular spacing ring 24, the swing arm 9 both ends outside just is located that 24 one side of spacing ring all overlaps and is equipped with buckle 26, the internal thread has been seted up to buckle 26 inboard, swing arm 9 both ends link 25 inserts respectively in the jack 23 of the first support roof-rack 5 in both sides and second support roof-rack 6, through buckle 26 in the rotatory threaded connection in the link 25 outside, be convenient for swing arm 9 and the erection joint of first support roof-rack 5 and second support roof-rack 6, make things convenient for later stage dismantlement simultaneously.
The sliding rod 14 is connected with the sliding seat 15 in a sliding mode, the sliding seat 15 can slide on the sliding rod 14 conveniently, the rotary rods 9 on the two sides are located above the rotary rods 9 in the middle, the folding limiting plate 7 is matched and fixed with the rotary rods 9, and accordingly goods can be stacked conveniently after installation.
Be equipped with a plurality of mounting holes along longitudinal distribution on the mounting panel 27, and the mounting panel 27 plate body of mounting hole department is protruding structure or cavity structure, the back scrap (bridge) 29 on be equipped with the sunken rubber coating groove 30 of three-section cross-section be the arc, and the degree of depth of rubber coating groove 30 is 3-4mm, rubber coating groove 30 notch width is 10mm, the inflation is glued and is paintd in rubber coating groove 30, improve the rubber coated accuracy, clearance department is full of by rubber coating, inflation glue, avoid taking place to do and relate to because of extrusion friction produces abnormal sound and wearing and tearing to do benefit to the car and fall the noise.
The transverse reinforcing convex cavity 31 and the reinforcing concave cavity 32 are symmetrical along the middle of the mounting plate 27, the transverse reinforcing convex cavity 31 is formed by protruding plates at the corresponding position of the mounting plate 27, and the transverse reinforcing concave cavity 32 is formed by sinking plates at the corresponding position of the mounting plate 27 downwards, so that the rigidity and the strength of the front cross beam main body are improved.
Mounting panel 27 both ends middle part is equipped with engaging lug 33 of buckling downwards, and engaging lug 33 is 90 degrees contained angles with mounting panel 27, and during the assembly, engaging lug 33 can insert the breach on the side wall, carries out preliminary location to the overlap joint, has reduced the operation degree of difficulty of assembly, can improve welded precision simultaneously, and engaging lug 33 can improve automobile body strength.
The mounting steps of the front beam assembly are as follows:
the method comprises the following steps: firstly, the front beam main body and the car roof 1 are installed and connected, the front beam main body and the car roof 1 are inserted into a notch on a side wall through a connecting lug 33, the lap joint is preliminarily positioned, a front lap 28 extending towards the front lower side and lap-jointed with the car roof 1 is arranged at the front edge of the installing plate 27, the front lap 28 of the front beam main body is fixedly welded with the car roof 1, a rear lap 29 extending towards the rear lower side and lap-jointed with the car roof 1 is arranged at the rear edge of the installing plate 27, and expansion glue is smeared in three sections of sunken glue coating grooves 30 on the rear lap 29 of the front beam main body and is fixedly attached to the;
step two: inserting the socket 12 of the first supporting top frame 5 into one mounting seat 2 on the same side, penetrating a fixing block 11 through a second bolt to be in threaded connection and fixed with a second threaded hole of the socket 12, compressing a first spring 16 by a sliding seat 15 of the second supporting top frame 6 in a first sleeve seat 13 along a sliding rod 14 until the total length of the first supporting top frame 5 and the second supporting top frame 6 is less than the length of the mounting seat 2 on the same side, then inserting the socket 12 of the second supporting top frame 6 into the other mounting seat 2 on the same side, returning the first spring 16 to the state that the socket 12 of the second supporting top frame 6 is matched with the mounting seat 2, and then connecting and fixing the socket 12 of the second supporting top frame 6 with the second threaded hole through the second bolt;
step three: connecting ends 25 at two ends of the rotary rod 9 are respectively inserted into the insertion holes 23 of the first supporting top frame 5 and the second supporting top frame 6 at two sides, the rotary rod 9 is fixed by rotating the buckle 26 at the outer side of the connecting end 25 and connecting the buckle 26 and the connecting seat 22 through threaded connection, and then the folding limiting plate 7 is placed above the rotary rod 9 to complete the installation of the car top frame;
step four: first screw hole has all been seted up in the support base 3 outside of roof 1 bottom, pass the installation ear at connecting rod 4 both ends and the first screw hole threaded connection who supports base 3 through first bolt and realize fixedly, and the connecting rod 4 of both sides is connected through two stiffener 10, and stiffener 10 inlays inside roof 1 bottom side, consolidate and strengthen roof 1, protection mechanism 8 of first support roof-rack 5 and second support roof-rack 6 bottom is when receiving the impact simultaneously, when first support roof-rack 5 and the bending fracture of second support roof-rack 6 promptly, 19 contact roof 1 drive telescopic link 21 and fender seat 18 move up through the cushion socket of bottom, compress second spring 20 in second cover seat 17, absorb the impact force through the buffering of second spring 20.
Compared with the prior art, the invention has the beneficial effects that:
1. the socket 12 of the first supporting top frame 5 is inserted into one mounting seat 2 on the same side, a second bolt penetrates through a fixed block 11 to be in threaded connection and fixed with a second threaded hole of the socket 12, a sliding seat 15 of the second supporting top frame 6 is inserted into the first sleeve seat 13 to compress a first spring 16 along a sliding rod 14 until the total length of the first supporting top frame 5 and the second supporting top frame 6 is less than the length of the mounting seat 2 on the same side, then the socket 12 of the second supporting top frame 6 is inserted into the other mounting seat 2 on the same side, the first spring 16 returns to the socket 12 of the second supporting top frame 6 to be matched with the mounting seat 2 to be mounted, then the socket is in threaded connection and fixed with a second threaded hole through the second bolt, connecting ends 25 at two ends of a rotary rod 9 are respectively inserted into insertion holes 23 of the first supporting top frame 5 and the second supporting top frame 6 on two sides, the rotary rod rotates outside the connecting ends 25 through a buckle 26, and is in threaded connection with a connecting seat 22 to, then, the folding limiting plate 7 is placed above the rotary rod 9 to complete the installation of the roof frame, so that the installation of the roof frame can be completed quickly and conveniently, and the installed roof frame is firm, and the normal driving of an automobile on a bumpy road section is ensured;
2. the outer sides of the supporting bases 3 at the bottom of the car roof cover 1 are respectively provided with a first threaded hole, a first bolt penetrates through mounting lugs at two ends of the connecting rod 4 to be in threaded connection with the first threaded holes of the supporting bases 3 to realize fixation, the connecting rods 4 at two sides are connected through two reinforcing rods 10, the reinforcing rods 10 are embedded in the bottom side of the car roof cover 1 to reinforce the car roof cover 1, meanwhile, when the protecting mechanisms 8 at the bottoms of the first supporting top frame 5 and the second supporting top frame 6 are impacted, namely the first supporting top frame 5 and the second supporting top frame 6 are bent and broken, the buffer seat 19 at the bottom is contacted with the car roof cover 1 to drive the telescopic rod 21 and the stop seat 18 to move upwards, the second spring 20 is compressed in the second sleeve seat 17 to buffer and absorb impact force through the second spring 20, and the impact force is absorbed and relieved by the protecting mechanisms 8 when the impact is received while the integral strength of the car roof cover, the safety of automobile driving is ensured;
3. the structure of the front beam main body is optimized, the rigidity and the high strength of the front beam main body are guaranteed, the three sections of glue coating grooves 30 are arranged, the expansion glue effect is fully exerted, the assembly gap is eliminated, the glue coating accuracy is higher, abnormal sound and abrasion caused by extrusion friction are avoided, and the automobile noise reduction is facilitated.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The curved surface automobile front cross beam assembly is characterized by comprising an automobile top cover (1) and a front cross beam main body, wherein the front cross beam main body is transversely fixed at the front top of the automobile top cover (1), supporting bases (3) are arranged on the periphery of the bottom of the automobile top cover (1), the supporting bases (3) are connected with the two ends of a connecting rod (4) at the same side, the connecting rod (4) is connected with the two sides through two reinforcing rods (10), the reinforcing rods (10) are embedded in the bottom side of the automobile top cover (1), mounting seats (2) are arranged on the periphery of the top of the automobile top cover (1), a socket (12) is arranged at one end of each of a first supporting top frame (5) and a second supporting top frame (6), the first supporting top frame (5) and the second supporting top frame (6) are fixed on the mounting seats (2) through the socket (12), a plurality of protection mechanisms (8) are arranged on the bottom sides of the first supporting top frame (5) and the second supporting top frame (6), a plurality of swing rods (9) are arranged between the first supporting top frame (5) and the second supporting top frame (6) on two sides, a folding limiting plate (7) is arranged on the top side of the swing rods (9), a first sleeve seat (13) is arranged at one end of the first supporting top frame (5), a sliding seat (15) is arranged at one end of the second supporting top frame (6) and is positioned inside the first sleeve seat (13), a first spring (16) is arranged inside the first sleeve seat (13), one end of the first spring (16) is connected with the inner wall of the first sleeve seat (13), the other end of the first spring is connected with the sliding seat (15), sliding rods (14) are arranged inside the sliding seat (15) and are positioned on two sides of the first spring (16), and the sliding rods (14) penetrate through the sliding seat (15);
the protection mechanism (8) comprises a second sleeve seat (17), a baffle seat (18), a buffer seat (19), a second spring (20) and a telescopic rod (21), the second sleeve seat (17) is fixedly welded below the first supporting top frame (5) and the second supporting top frame (6), the second spring (20) is installed inside the second sleeve seat (17), the top end of the second spring (20) is connected with the top wall inside the second sleeve seat (17), the bottom end of the second spring is connected with the baffle seat (18), the telescopic rod (21) is installed at the bottom of the baffle seat (18), and the buffer seat (19) is installed on the side wall of the bottom of the second sleeve seat (17) in a penetrating mode through the telescopic rod (21);
preceding crossbeam main part includes mounting panel (27), preceding scrap (28), back scrap (29), rubber coating groove (30), strengthens protruding chamber (31) and strengthens cavity (32), preceding crossbeam main part includes longitudinal extension's mounting panel (27), mounting panel (27) are the curved surface structure, mounting panel (27) front edge be equipped with forward downside extension with car top cap (1) lapped preceding scrap (28), mounting panel (27) back edge be equipped with backward downside extension with car top cap (1) lapped back scrap (29), back scrap (29) outside is equipped with three-section sunken rubber coating groove (30), mounting panel (27) outside surface is provided with protruding chamber (31) of a plurality of enhancement and strengthens cavity (32).
2. A curved surface automobile front cross beam assembly according to claim 1, wherein the front cross beam main body is a three-dimensional curved plate structure, and the front cross beam main body and the roof cover (1) are fixed by welding after being lapped.
3. The curved surface automobile front cross beam assembly according to claim 1, wherein first threaded holes are formed in the outer sides of the four support bases (3), mounting lugs are arranged at two ends of the connecting rod (4), and a first bolt penetrates through the mounting lugs to be fixedly connected with the first threaded holes in a threaded manner.
4. The curved surface automobile front cross beam assembly according to claim 1, wherein the socket (12) is a T-shaped block, the mounting base (2) is provided with a T-shaped groove, the T-shaped block and the T-shaped groove are installed in a matched mode, the top sides of the four mounting bases (2) are provided with fixing blocks (11), one side of the socket (12) is provided with a second threaded hole, and a second bolt penetrates through the fixing block (11) to be fixedly connected with the second threaded hole in a threaded mode.
5. A curved surface automobile front cross beam assembly according to claim 1, wherein one side of the first supporting top frame (5) and the second supporting top frame (6) is provided with a plurality of connecting seats (22), and the center of one side of the connecting seat (22) is provided with an inserting hole (23), and the outer side of the connecting seat (22) is provided with an external thread, two ends of the rotating rod (9) are respectively provided with a connecting end (25), the outer side of the connecting end (25) is provided with an annular limiting ring (24), the outer sides of the two ends of the rotary rod (9) and one side of the limiting ring (24) are sleeved with buckles (26), inner threads are arranged on the inner sides of the buckles (26), connecting ends (25) at two ends of the rotating rod (9) are respectively inserted into the jacks (23) of the first supporting top frame (5) and the second supporting top frame (6) at two sides, the threaded connection is completed by the rotation of the snap (26) outside the connecting end (25).
6. A curved surface automobile front cross beam assembly according to claim 1, wherein the sliding rod (14) is connected with the sliding seat (15) in a sliding manner, the swing rod (9) on two sides is positioned above the swing rod (9) in the middle, and the folding limiting plate (7) is matched and fixed with the swing rod (9).
7. A curved surface automobile front cross beam assembly according to claim 1, characterized in that, be equipped with a plurality of mounting holes along longitudinal distribution on mounting panel (27), and mounting panel (27) plate body of mounting hole department is protruding structure or cavity structure, back scrap (29) on be equipped with three-section sunken rubber coating groove (30) the cross-section be the arc, and the degree of depth of rubber coating groove (30) is 3-4mm, rubber coating groove (30) notch width is 10 mm.
8. A curved surface automobile front cross beam assembly according to claim 1, wherein the reinforcing convex cavity (31) and the reinforcing concave cavity (32) are symmetrical along the middle of the mounting plate (27), the reinforcing convex cavity (31) is formed by outward protruding of a plate body at the corresponding position of the mounting plate (27), and the reinforcing concave cavity (32) is formed by downward sinking of the plate body at the corresponding position of the mounting plate (27).
9. A curved surface automobile front cross beam assembly according to claim 1, wherein the middle parts of the two ends of the mounting plate (27) are provided with connecting lugs (33) which bend downwards, and the connecting lugs (33) and the mounting plate (27) form an included angle of 90 degrees.
10. The curved vehicle front cross member assembly according to claim 1, wherein the front cross member assembly is mounted by:
the method comprises the following steps: firstly, the front beam main body and the car roof (1) are installed and connected, the front beam main body and the car roof (1) are inserted into a notch on a side wall through a connecting lug (33), the lap joint is preliminarily positioned, a front lap (28) which extends towards the front lower side and is lapped with the car roof (1) is arranged at the front edge of the installation plate (27), the front lap (28) of the front beam main body and the car roof (1) are welded and fixed, a rear lap (29) which extends towards the rear lower side and is lapped with the car roof (1) is arranged at the rear edge of the installation plate (27), and expansion glue is smeared in three sections of sunken glue coating grooves (30) on the rear lap (29) of the front beam main body and is attached and fixed with;
step two: inserting a socket (12) of a first supporting top frame (5) into one mounting seat (2) on the same side, penetrating a fixing block (11) through a second bolt to be in threaded connection and fixing with a second threaded hole of the socket (12), compressing a first spring (16) along a sliding rod (14) in a first sleeve seat (13) by a sliding seat (15) of a second supporting top frame (6) until the total length of the first supporting top frame (5) and the second supporting top frame (6) is smaller than the length of the mounting seat (2) on the same side, then inserting the socket (12) of the second supporting top frame (6) into the other mounting seat (2) on the same side, restoring the first spring (16) to the socket (12) of the second supporting top frame (6) to be in matched mounting with the mounting seat (2), and then connecting and fixing with the second threaded hole through the second bolt;
step three: connecting ends (25) at two ends of the rotary rod (9) are respectively inserted into jacks (23) of the first supporting top frame (5) and the second supporting top frame (6) at two sides, the rotary rod (9) is fixed by the buckles (26) which rotate outside the connecting ends (25) and are in threaded connection with the connecting seats (22) through the buckles (26), and then the folding limiting plate (7) is placed above the rotary rod (9) to complete the installation of the car top frame;
step four: first screw hole has all been seted up in support base (3) the outside of roof (1) bottom, pass the installation ear at connecting rod (4) both ends and the first screw hole threaded connection who supports base (3) through first bolt and realize fixedly, and connecting rod (4) of both sides are connected through two stiffener (10), and stiffener (10) are inlayed inside roof (1) bottom side, consolidate enhancement to roof (1), protection mechanism (8) of first support roof-rack (5) and second support roof-rack (6) bottom are when receiving the impact simultaneously, when first support roof-rack (5) and second support roof-rack (6) bending fracture promptly, buffer seat (19) through the bottom contact roof (1) drive telescopic link (21) and keep off seat (18) and shift up, compress second spring (20) in second cover seat (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910587728.1A CN110239630B (en) | 2019-08-15 | 2019-08-15 | Curved surface automobile front cross beam assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910587728.1A CN110239630B (en) | 2019-08-15 | 2019-08-15 | Curved surface automobile front cross beam assembly |
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| Publication Number | Publication Date |
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| CN110239630A CN110239630A (en) | 2019-09-17 |
| CN110239630B true CN110239630B (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910587728.1A Expired - Fee Related CN110239630B (en) | 2019-08-15 | 2019-08-15 | Curved surface automobile front cross beam assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11834102B1 (en) * | 2021-03-29 | 2023-12-05 | Mitch Mundorf | Vehicle roof brace support apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3530556A1 (en) * | 1985-08-27 | 1987-03-05 | Schaar Geb Sobotta Verena | Rain channel for motor vehicles |
| CN201604698U (en) * | 2010-01-08 | 2010-10-13 | 重庆长安汽车股份有限公司 | Automobile roof front cross beam |
| CN205574068U (en) * | 2016-04-28 | 2016-09-14 | 长城汽车股份有限公司 | Vapour car roof front beam and vapour car roof assembly |
| CN207292142U (en) * | 2017-08-29 | 2018-05-01 | 常州市瑞悦车业有限公司 | Automobile roof beam |
| CN209241180U (en) * | 2018-12-26 | 2019-08-13 | 东风小康汽车有限公司重庆分公司 | Roof front transverse beam assembly |
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