CN107985420B - Car truss-like latent beam structure of preventing and connection structure thereof - Google Patents
Car truss-like latent beam structure of preventing and connection structure thereof Download PDFInfo
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- CN107985420B CN107985420B CN201711160078.XA CN201711160078A CN107985420B CN 107985420 B CN107985420 B CN 107985420B CN 201711160078 A CN201711160078 A CN 201711160078A CN 107985420 B CN107985420 B CN 107985420B
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- automobile
- type anti
- flanging
- truss
- submarine
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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
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
Abstract
The invention discloses an automobile truss type anti-submarine beam structure which comprises a supporting tube, a lock catch structure and a fixed base, wherein two ends of the supporting tube are respectively and fixedly connected with the lock catch structure, and the lock catch structure is in bolted connection with the fixed base; the lock catch structure is transversely provided with a communicating hole, and two ends of the supporting tube are respectively fixed in the communicating hole of the lock catch structure. The invention also discloses a connecting structure of the automobile truss type anti-submarine beam structure. The support tube replaces the traditional anti-diving beam with a complex beam system, and has good rigidity, light weight and low manufacturing cost; the upper part of the supporting tube is contacted with the lower foam plate of the rear row seat, so that the injury of the rear row passengers caused by downward movement and forward movement of the rear row passengers due to the fact that the cushion of the rear row seat dives when the automobile collides can be effectively reduced; the carpet is paved on the floor and the upper surface of the fixed base without being paved on the supporting pipe, so that cavity echo caused by the fact that the carpet is paved on the upper surface of the traditional diving beam and cannot fill the cavity inside the diving beam is avoided.
Description
Technical Field
The invention belongs to the technical field of automobile rear floor installation, and particularly relates to an automobile truss type anti-submarine beam structure and a connecting structure thereof.
Background
The back floor of present vehicle designs comparatively smoothly usually, and lacks the back row seat and prevents latent roof beam mostly, and when the car when bumping, take place back row passenger dive and antedisplacement phenomenon easily for back row passenger's health receives the injury.
In order to increase the safety factor of the passengers in the rear row, various types of anti-dive beam structures have been successively manufactured and used. For example, the Chinese patent with the application number of 201520861810.6 discloses a 'seat anti-submarine beam', which consists of an anti-submarine beam body, a left mounting plate, a right mounting plate and two support plates; the two supporting plates are welded in the anti-submarine beam body; the left mounting plate and the right mounting plate are respectively mounted at the left end and the right end of the anti-submarine beam body and are respectively welded on the anti-submarine beam body through flanges, the anti-submarine beam body is integrally in a continuous bending mode, the seat anti-submarine beam is fixed on an upper plate of a cross beam of a rear seat and a rear floor through 8 bolts, the mass is large, the number of mounting bolts is large, the universality is poor, and a cavity formed in the anti-submarine beam body is easy to generate cavity echo; also as the chinese patent with application No. 201220356528.9, a "car rear floor with rear seat anti-dive beam structure" has been announced, including the rear floor body, rear seat anti-dive beam is prevented to the front end top of rear floor body and under the rear seat, and rear seat anti-dive beam cross section is "nearly" style of calligraphy, and the base and the both ends of rear seat anti-dive beam all weld with the rear floor body and form first closed cavity, and rear seat anti-dive beam's top surface is equipped with the mounting hole of installation rear seat, and this several style of calligraphy rear seat anti-dive beam also has the quality big, the poor problem of NHV performance.
Disclosure of Invention
The invention aims to provide an automobile truss type anti-submarine beam structure and a connecting structure thereof, and the automobile truss type anti-submarine beam structure is light and handy in structure, convenient to install, high in universality and good in NHV (polyethylene glycol vinyl acetate) performance.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an automobile truss-like latent beam structure of preventing, includes stay tube, hasp structure and fixed baseplate, the both ends of stay tube respectively with hasp structure fixed connection, hasp structure and fixed baseplate bolted connection.
The invention 1) the support tube replaces the traditional anti-diving beam with complex beam system, the support tube has good rigidity, light weight and low manufacturing cost; 2) the upper part of the supporting tube supports the framework structure of the back row seat, so that the injury to the body of a back row passenger moving downwards and forwards caused by the fact that a cushion of the back row seat dives when the automobile collides can be effectively reduced; 3) the carpet is paved on the floor and the upper surface of the fixed base without being paved on the supporting tube, so that a large-scale cavity formed between the floor and the traditional anti-diving beam with a complex beam system after being installed on the floor is eliminated, and cavity echo generated by the fact that the carpet is paved on the upper surface of the traditional anti-diving beam and cannot be filled in the cavity inside the anti-diving beam is avoided; 4) the fixed base can be designed into corresponding size specifications according to different vehicle types, and the installation of the whole automobile truss type anti-submarine beam structure can be completed by installing the lock catch structure and the supporting tube on the upper part on the fixed base through bolts, so that the arrangement requirements of seats of different vehicle types are met, and the universality is high; 5) adopt the mode of hasp structure and fixed base bolted connection, the convenience is in time dismantled when needs are changed and is prevented latent roof beam structure.
Furthermore, the lock catch structure is transversely provided with a communicating hole, and two ends of the supporting tube are respectively fixed in the communicating hole of the lock catch structure. The lock catch structure and the supporting tube form fixed connection, and the whole body does not need to be replaced, so that the seat is suitable for rear seats of different vehicle types.
Furthermore, the lock catch structure comprises an upper buckling structure and a lower supporting structure, one end of the lower supporting structure is provided with a bolt mounting hole, and the upper buckling structure is correspondingly provided with an avoiding groove. The lock catch structure can be installed on the fixed support through the bolt installation hole, and the bolt is conveniently installed by avoiding the groove.
Furthermore, an upper semicircular through hole is formed in one end, away from the avoidance groove, of the upper buckling structure, a lower semicircular through hole is correspondingly formed in the lower bearing structure, and the upper semicircular through hole and the lower semicircular through hole are connected to form a communication hole. The communicating hole is matched with the outer contour of the supporting tube, so that the supporting tube falls into the locking structure completely.
Preferably, the upper buckling structure and the lower supporting structure are split structures, and the upper buckling structure is buckled with the lower supporting structure. The split structure is convenient and the supporting tube is installed.
Preferably, two side walls of the avoidance groove of the upper buckling structure are respectively provided with a double-layer lower flanging, two side walls of the lower bearing structure are provided with upper flanging, and the upper flanging is buckled between the double-layer lower flanging. The upper flanging and the lower flanging after being buckled with each other can be continuously welded to form a more stable structure.
Preferably, the upper portion lock structure with the structure is accepted to the lower part one end is articulated, the upper portion lock structure with the structure is accepted to the lower part the other end passes through the buckle joint. The hasp structure can have multiple structural style, as long as it is fixed with the stay tube, but and the structure of bolt mounting on fixing support all can use, when adopting plastics material or combination formula material, will select the enough high material of intensity to satisfy the intensity requirement of the hasp structure after making.
Furthermore, the fixed base is box-shaped, a horizontal flanging is arranged at the bottom of the side wall of the fixed base, a reinforcing rib is arranged between the horizontal flanging and the side wall, and a bolt mounting hole and a carpet mounting hole are formed in the upper end face of the fixed base. The horizontal flanging is welded on the rear floor of the automobile, and the reinforcing ribs increase the strength between the horizontal flanging and the side wall; the bolt mounting hole can be provided with a lock catch structure, and the carpet laid on the upper surface of the fixed base can be fixed by the carpet mounting hole and is not easy to shift.
The utility model provides a connection structure based on foretell latent beam structure is prevented to car truss-like, includes floor, carpet and car truss-like prevents latent beam structure behind the car, floor fixed connection behind car truss-like prevents latent beam structure's the fixed baseplate and the car, and the carpet is connected at floor and fixed baseplate upper surface behind the car, and the space between the floor communicates with installation space around with behind the stay tube of car truss-like prevents latent beam structure and the car.
Furthermore, the automobile truss type anti-submarine beam structure further comprises a rear seat framework, and the supporting pipe of the automobile truss type anti-submarine beam structure is supported on the rear seat framework.
Drawings
Fig. 1 is a schematic view of the general structure of the present invention.
Fig. 2 is a schematic structural view of the support tube and the locking structure after being fixedly connected.
FIG. 3 is a schematic view of the supporting tube and the locking structure before connecting one end thereof
Fig. 4 is a partial structural schematic view of a joint of the locking structure and the support tube in fig. 2.
Fig. 5 is a schematic view showing a structure of the present invention integrally mounted to a rear floor of an automobile.
Fig. 6 is a schematic longitudinal sectional view of fig. 5 taken along a middle region of the support tube.
Fig. 7 is a structural view of a conventional submergence preventing beam of a complex girder system.
Fig. 8 is a longitudinal sectional view schematically showing a structure in which a conventional hidden beam of a complex girder system is installed to a rear floor of an automobile.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings so that the present invention may be more clearly understood, but the present invention is not limited to the following embodiments.
As shown in fig. 1, the truss type anti-dive beam structure of the present invention includes a supporting tube 200, a locking structure 100 and a fixing base 300, wherein two ends of the supporting tube 200 are respectively fixedly connected to the locking structure 100, and the locking structure 100 is bolted to the fixing base 300. In order to reduce the manufacturing cost of the support tube 200, a lightweight hollow steel tube with high strength is selected, and the hollow steel tube is cut to a suitable length during processing so as to perform subsequent installation and connection.
In combination with the above solution, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the locking structure 100 of the present invention is transversely provided with a communication hole 130, and both ends of the support tube 200 are respectively fixed in the communication hole 130 of one locking structure 100. In order to facilitate the matching connection of the latch structure 100 with the supporting steel tube 200 and the lower fixing base 300, the latch structure 100 includes an upper fastening structure 110 and a lower receiving structure 120, one end of the lower receiving structure 120 is provided with a bolt mounting hole 121, the upper fastening structure 110 is correspondingly provided with an avoiding groove 111, and the avoiding groove 111 is a trapezoidal groove (the specific structure of the avoiding groove 111 is shown in fig. 4); an upper semicircular through hole is formed at one end of the upper buckling structure 110 away from the avoiding groove 111, a lower semicircular through hole is correspondingly formed in the lower receiving structure 120, the upper semicircular through hole and the lower semicircular through hole are combined to form a communication hole 130, and the size of the communication hole 130 is matched with the shape of the connecting pipe 200. For convenience of installation and connection, the preferable design structure is that the upper buckling structure 110 and the lower receiving structure 120 are split structures, the upper buckling structure 110 and the lower receiving structure 120 are buckled, and the buckled rear supporting tube 200 is just placed in the communicating hole 130; two side walls of the avoidance groove 111 of the upper buckling structure 110 are respectively provided with a double-layer lower flanging, two side walls of the lower receiving structure 120 are provided with an upper flanging, the upper flanging is buckled between the double-layer lower flanging, then, in order to enhance stability, welding is performed between the upper flanging and the lower flanging, and welding is also performed between the upper flanging and the support tube 200. In another preferred design, one end of the upper engaging structure 110 and one end of the lower receiving structure 120 are hinged, and the other end of the upper engaging structure 110 and the other end of the lower receiving structure 120 are engaged by a snap (not shown). In addition, any structural form that can place the support tube 200 into the latch structure 100 and stably connect with the latch structure can be applied to the latch structure 100 of the present invention, including the design that the support tube 200 and the latch structure 100 are integrally formed; and a lock catch sleeved on the support tube 200, wherein the lock catch extends to form a mounting flange structure.
As shown in fig. 1 and 5, the fixing base 300 is box-shaped, a horizontal flange 310 is provided at the bottom of the sidewall of the fixing base 300, and the horizontal flange 310 may be welded to the rear floor 400 of the vehicle; reinforcing ribs 320 are arranged between the horizontal flanging 310 and the side walls to increase the connection strength, bolt mounting holes 330 are formed in the upper end face of the fixing base 300 for mounting the locking structure 100, and carpet mounting holes 340 are formed for connecting the carpet 500 to the fixing base 300.
As shown in fig. 5 and 6, in the connection structure of the truss-type anti-submarine beam structure for the vehicle according to the present invention, when the truss-type anti-submarine beam structure for the vehicle according to the present invention is installed on the rear floor 400 of the vehicle, although a partial cavity 700 is formed between the fixed base 300 and the rear floor 400 of the vehicle, the cavity 700 is considerably smaller than the cavity 700 generated between the conventional anti-submarine beam 600 of a complex girder system and the rear floor 400 of the vehicle, and thus noise generated from the cavity 700 between the fixed base 300 and the rear floor 400 of the vehicle according to the present invention is negligible; more, a through space is formed between the support tube 200 and the rear floor of the automobile, the carpet 500 can be directly laid on the rear floor 400 of the automobile, a large cavity 700 between the anti-dive beam 600 of a complex beam system and the rear floor 400 of the automobile cannot be generated, the support tube 200 of the truss type anti-dive beam structure of the automobile is supported on a rear seat framework, and the rear seats are prevented from moving forwards and downwards when the automobile collides; as shown in fig. 7 and 8, the hidden beam 600 of the complex girder system includes a bent hidden beam body and a plurality of bolt installation holes 610, a cavity 700 is generated between the hidden beam 600 of the complex girder system and the rear floor 400 of the automobile, and a carpet 500 is laid on the upper surface of the hidden beam 600 of the complex girder system, which is liable to generate a large noise and affect the NHV performance of the automobile. The invention adjusts the height of the fixed base 300 with equal size, and can meet the requirements of rear seats of various automobiles with different models.
What is not described in detail in this specification is prior art that is well known to those of ordinary skill in the art.
The above-described embodiments are merely illustrative, and the restrictive modification of the technical terms used in the present invention is only for the convenience of description of the present invention, and those skilled in the art can derive many forms without departing from the spirit and scope of the present invention as defined in the appended claims, in light of the teaching of the present invention.
Claims (5)
1. The utility model provides a latent beam structure is prevented to car truss-like, includes stay tube (200), hasp structure (100) and fixed baseplate (300), its characterized in that: two ends of the supporting tube (200) are respectively and fixedly connected with a locking structure (100), the locking structure (100) is in bolt connection with a fixed base (300), and the fixed base (300) is box-shaped; the bottom of the side wall of the fixed base (300) is provided with a horizontal flanging (310), a reinforcing rib (320) is arranged between the horizontal flanging (310) and the side wall, and the upper end face of the fixed base (300) is provided with a bolt mounting hole (330) and a carpet mounting hole (340);
the lock catch structure (100) comprises an upper buckling structure (110) and a lower bearing structure (120), one end of the lower bearing structure (120) is provided with a bolt mounting hole (121), and the upper buckling structure (110) is correspondingly provided with an avoiding groove (111); two side walls of the avoidance groove (111) of the upper buckling structure (110) are respectively provided with double-layer lower flanging, two side walls of the lower bearing structure (120) are provided with upper flanging, and the upper flanging is buckled between the double-layer lower flanging; the upper flanging and the double-layer lower flanging are welded, and the upper flanging and the supporting tube (200) are welded;
dodge groove (111) and be the dovetail groove, upper portion lock structure (110) are kept away from the one end of dodging groove (111) is equipped with first semicircle through-hole, lower part bearing structure (120) correspond and are equipped with down the semicircle through-hole, first semicircle through-hole and semicircle through-hole joint down form intercommunicating pore (130), upper portion lock structure (110) with the lower part bearing structure's (120) one end is articulated, upper portion lock structure (110) with the other end of lower part bearing structure (120) passes through the buckle joint.
2. The automobile truss type anti-submarine beam structure according to claim 1, wherein: the lock catch structure (100) is transversely provided with a communicating hole (130), and two ends of the supporting tube (200) are respectively fixed in the communicating hole (130) of the lock catch structure (100).
3. The automobile truss type anti-submarine beam structure according to claim 2, wherein: the upper buckling structure (110) and the lower bearing structure (120) are split structures, and the upper buckling structure (110) and the lower bearing structure (120) are buckled.
4. A connection structure of a truss-type anti-dive beam structure for vehicles according to any one of claims 1 to 3, comprising a rear floor (400) of a vehicle, a carpet (500), and the truss-type anti-dive beam structure for vehicles, wherein: the fixing base (300) of the automobile truss type anti-submarine beam structure is fixedly connected with the automobile rear floor (400), the carpet (500) is connected to the upper surfaces of the automobile rear floor (400) and the fixing base (300), and the supporting tube (200) of the automobile truss type anti-submarine beam structure is communicated with the space between the automobile rear floor (400) and the surrounding installation space.
5. The connecting structure of a truss-type anti-submarine beam structure according to claim 4, wherein: the automobile truss type anti-submarine beam structure comprises a rear seat framework, wherein a supporting pipe (200) of the automobile truss type anti-submarine beam structure is supported on the rear seat framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160078.XA CN107985420B (en) | 2017-11-20 | 2017-11-20 | Car truss-like latent beam structure of preventing and connection structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160078.XA CN107985420B (en) | 2017-11-20 | 2017-11-20 | Car truss-like latent beam structure of preventing and connection structure thereof |
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| Publication Number | Publication Date |
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| CN107985420A CN107985420A (en) | 2018-05-04 |
| CN107985420B true CN107985420B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711160078.XA Active CN107985420B (en) | 2017-11-20 | 2017-11-20 | Car truss-like latent beam structure of preventing and connection structure thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261269B (en) * | 2021-11-30 | 2023-10-20 | 东风汽车集团股份有限公司 | Automobile rear collision protection structure and hybrid electric vehicle |
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| JP2003137130A (en) * | 2001-10-19 | 2003-05-14 | Dr Ing H C F Porsche Ag | Vehicle |
| KR20090020041A (en) * | 2007-08-22 | 2009-02-26 | 현대자동차주식회사 | Seat mounting structure on a low tunnel floor |
| DE102011108997A1 (en) * | 2011-08-01 | 2013-02-07 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Bearing block i.e. clip, for fastening seat part of bucket seat of motor car at cylindrical pipe, has holding element provided in connection region to reduce movement of block relative to cross beam in extending direction of cross beam |
| CN103112371A (en) * | 2011-11-10 | 2013-05-22 | 铃木株式会社 | Vehicle seat mounting structure |
| CN103661635A (en) * | 2012-09-05 | 2014-03-26 | 马自达汽车株式会社 | Side vehicle-body structure of vehicle |
| CN204659506U (en) * | 2015-04-29 | 2015-09-23 | 上汽通用五菱汽车股份有限公司 | The anti-descent structure of seat and automobile |
| CN206358231U (en) * | 2016-12-30 | 2017-07-28 | 东风汽车公司 | A kind of new seat beam structure |
| CN206551904U (en) * | 2017-02-27 | 2017-10-13 | 东风汽车公司 | Back seat installs crossbeam assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205417249U (en) * | 2016-02-29 | 2016-08-03 | 重庆长安汽车股份有限公司 | Dive body structure is prevented to back seat |
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2017
- 2017-11-20 CN CN201711160078.XA patent/CN107985420B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003137130A (en) * | 2001-10-19 | 2003-05-14 | Dr Ing H C F Porsche Ag | Vehicle |
| KR20090020041A (en) * | 2007-08-22 | 2009-02-26 | 현대자동차주식회사 | Seat mounting structure on a low tunnel floor |
| DE102011108997A1 (en) * | 2011-08-01 | 2013-02-07 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Bearing block i.e. clip, for fastening seat part of bucket seat of motor car at cylindrical pipe, has holding element provided in connection region to reduce movement of block relative to cross beam in extending direction of cross beam |
| CN103112371A (en) * | 2011-11-10 | 2013-05-22 | 铃木株式会社 | Vehicle seat mounting structure |
| CN103661635A (en) * | 2012-09-05 | 2014-03-26 | 马自达汽车株式会社 | Side vehicle-body structure of vehicle |
| CN204659506U (en) * | 2015-04-29 | 2015-09-23 | 上汽通用五菱汽车股份有限公司 | The anti-descent structure of seat and automobile |
| CN206358231U (en) * | 2016-12-30 | 2017-07-28 | 东风汽车公司 | A kind of new seat beam structure |
| CN206551904U (en) * | 2017-02-27 | 2017-10-13 | 东风汽车公司 | Back seat installs crossbeam assembly |
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| CN107985420A (en) | 2018-05-04 |
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