CN217575374U - Automobile front cabin and automobile - Google Patents

Abstract

The utility model provides an automobile front cabin and an automobile, the utility model discloses an automobile front cabin comprises an integrally die-cast front cabin main body, the front cabin main body is provided with lateral parts respectively arranged at the left side and the right side, and a force transmission rib is formed on the outer side surface of at least one lateral part; along the automobile fore-and-aft direction, pass the muscle and be located the rear portion of lateral part, and pass the muscle and have a plurality of first muscle lines that are radial arrangement, the radial center of a plurality of first muscle lines is located the central line of the preceding tire of same one side to lie in the inboard of the preceding tire of same one side. The front engine room of the automobile can uniformly diffuse the impact force received by the automobile body in advance, and avoid the impact force from being transmitted to the passenger cabin integrally to cause vibration, thereby influencing the comfortable perception of customers; simultaneously, can transmit the impact to the outside along first muscle line, and then transmit threshold roof beam, A post on, the dispersible impact to can effectively avoid passenger's cabin to warp, can promote collision security.

Description

Automobile front engine room and automobile

Technical Field

The utility model relates to the field of automotive technology, in particular to cabin before car, simultaneously, the utility model discloses still relate to a car that has cabin before this car.

Background

The front engine room is an important component of the lower vehicle body, and plays roles of absorbing energy, transferring energy, providing sufficient rigidity for a vehicle body frame and the like during collision while carrying parts in the front engine room. The existing front engine room is usually formed by welding a plurality of parts such as a front longitudinal beam, a damping tower and the like, the structure is complex, the structural strength is weak, the transmission and dispersion effects on the collision force are poor, the larger collision force is directly transmitted to the passenger room, and the passengers are easily damaged greatly.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a front cabin of an automobile, which has better strength and is beneficial to the transmission and dispersion of the collision force.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the automobile front engine room comprises a front engine room main body which is integrally formed by die-casting, wherein the front engine room main body is provided with side parts which are respectively arranged at the left side and the right side, and a force transmission rib is formed on the outer side surface of at least one side of the side part;

along the car fore-and-aft direction, the power transmission muscle is located the rear portion of lateral part, just the power transmission muscle has many first muscle lines that are radial arrangement, and is many the radiation center of first muscle line lies in the central line with the preceding tire of one side to lie in the inboard with the preceding tire of one side.

Furthermore, the power transmission rib is also provided with a second rib line in an arc shape, the second rib line is interwoven with part of the first rib line, and the circle center of the second rib line is the radiation center.

Furthermore, the second muscle line is many along the automobile front and back direction interval arrangement.

Furthermore, the side part is formed with a wheel cover side beam part, and the power transmission rib is arranged on the outer side surface of the wheel cover side beam part.

Further, rearward in the vehicle length direction, the cross-sectional area of the rear portion of the wheel house side member portion gradually increases to have a downwardly extending lower convex portion.

Further, the side portion is further formed with a nacelle side member portion disposed below the wheel house side member portion, and a rear end of the nacelle side member portion is connected to a bottom of the lower convex portion.

Furthermore, the front end of the cabin longitudinal beam part is connected with a front cabin longitudinal beam section, and the front cabin longitudinal beam section is made of extruded aluminum profiles.

Furthermore, the front section of the cabin longitudinal beam is connected with the cabin longitudinal beam part through a connecting assembly, the front end of the cabin longitudinal beam part is provided with an inserting groove, and the connecting assembly is provided with a connecting piece and a fastening piece;

the connecting piece is located in the cabin longeron anterior segment, and the connecting piece with the rear end of cabin longeron anterior segment inserts in the inserting groove together, the fastener will the front end of cabin longeron portion, the rear end of cabin longeron anterior segment, and the connecting piece links firmly together.

Furthermore, the bottom of the insertion groove is inwards inclined from front to back along the front-back direction of the automobile, one end of the connecting piece extends out of the front section of the front cabin longitudinal beam, and the end part of the extending part of the connecting piece is an inclined plane parallel to the bottom of the insertion groove. Compared with the prior art, the utility model discloses following advantage has:

automobile front cabin, through the preceding cabin main part that adopts integrative die-casting shaping, can promote automobile front cabin's intensity and continuity to can improve the transmission effect of impact on the cabin in front of the automobile. In addition, the rear part of the side part is provided with the power transmission rib, and the radiation centers of the first rib lines of the power transmission rib are positioned on the central line of the front tire on the same side, so that the collision force received by the vehicle body can be uniformly diffused in advance, and the influence on the comfortable perception of a client caused by the fact that the whole collision force is transmitted to the passenger compartment is avoided.

Simultaneously, lie in the inboard of the preceding tire with the radiation center of many first muscle lines with one side, can transmit the impact to the outside along first muscle line, and then transmit threshold roof beam, A post on, dispersible impact to can effectively avoid passenger's cabin to warp, can promote collision security.

In addition, by providing the second bead lines in the shape of an arc, the structural strength of the side portions can be further improved, and the effect of transmitting the collision force can be further improved. The second ribs are arranged in the front-rear direction of the automobile at intervals, so that a plurality of force transmission paths can be formed, and the transmission effect of the collision force can be further improved.

In addition, the cross-sectional area of the rear part of the wheel house side beam part is gradually increased toward the rear in the vehicle longitudinal direction, and the structural strength of the rear part of the wheel house side beam part can be improved. By forming the nacelle side rail portion below the wheel house side rail portion at the side portion and connecting the rear end of the wheel house side rail portion to the bottom of the lower convex portion, the transmission of the collision force to the rocker beam can be facilitated.

In addition, the front end of the cabin longitudinal beam part is connected with the front section of the cabin longitudinal beam, and the front section of the cabin longitudinal beam is made of extruded aluminum profiles, so that the good crumpling energy absorption performance of the extruded aluminum profiles can be utilized, the energy absorption crumpling space is increased, the safety of the whole vehicle during frontal collision is improved, and the quality of the whole vehicle is favorably improved.

Another object of the utility model is to provide a car, be equipped with in the car as above preceding cabin of car.

Car, through setting up as above car front cabin, can do benefit to the transmission dispersion of the collision force to can effectively avoid passenger's cabin to take place to warp, and then can reduce the injury to the passenger.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a front engine room of an automobile according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a front cabin body according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a front nacelle body according to an embodiment of the present invention at another viewing angle;

fig. 4 is a schematic structural view of a front nacelle body according to an embodiment of the present invention at another viewing angle;

fig. 5 is a schematic structural view of a front nacelle body according to an embodiment of the present invention at another viewing angle;

fig. 6 is an enlarged view of a portion a in fig. 2 according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a front section of a nacelle stringer according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a connecting member according to an embodiment of the present invention.

Description of reference numerals:

1. a forward nacelle body; 2. a cabin longitudinal beam front section; 3. a front impact beam mounting base; 4. a front impact beam energy absorption box; 5. a front impact beam; 6. an upper cross beam;

10. a side portion; 20. a connecting portion; 30. a recessed portion 30;

101. a nacelle stringer; 102. a front shock tower; 103. a wheel cover side beam portion; 1031. a lower convex portion; 1032. a first rib thread; 1033. a second rib line;

1011. inserting grooves; 1012. a limiting bulge; 1013. a base plate;

201. a limiting groove; 202. a fastener; 203. a connecting member; 2031. an upper connecting plate; 2032. a lower connecting plate; 2033. a support plate; 2034. connecting holes; 2035. a bevel.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same order, but are to be construed as referring to the same order.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to an automobile front cabin which has better structural strength, can be beneficial to the transmission and dispersion of collision force and can improve the collision safety of the whole automobile.

As a whole structure, as shown in fig. 1, the front nacelle for an automobile of the present embodiment includes a front nacelle body 1 that is integrally die-cast, the front nacelle body 1 having side portions 10 that are provided on the left and right sides, respectively, and a connecting portion 20 that connects between rear ends of the side portions 10. Meanwhile, the front ends of the side parts 10 on the two sides are sequentially connected with the front section 2 of the longitudinal beam of the cabin, the front anti-collision beam mounting seat 3 and the front anti-collision beam energy absorption box 4.

The preceding cabin main part 1 of this embodiment adopts the die-casting mode shaping, not only can improve structural strength, and compare in current panel beating welded manufacturing approach, also can simplify preceding cabin main part 1 shaping mode, promotes manufacturing efficiency greatly.

In addition, in order to improve the transmission effect of the collision force, in the present embodiment, a force transmission rib is formed on the outer side surface of at least one side portion 10. As a preferred embodiment, referring to fig. 2 to 5, the front nacelle body 1 of the present embodiment is formed with force transmitting ribs on the outer side surfaces of both side portions 10. Further, since the collision force is transmitted mainly to the passenger compartment through the rear portion of the side portion 10, as shown in fig. 3, in the present embodiment, the force transmitting ribs are located at the rear portion of the side portion 10 in the vehicle front-rear direction.

Specifically, as shown in fig. 2 and 3, the side portion 1 is formed with a wheel house side member 103 at 0, and a force transmitting rib is provided on the outer side surface of the wheel house side member 103. Further, rearward in the vehicle longitudinal direction, the rear portion of the wheel house side member portion 103 gradually increases in cross-sectional area, and has a downward extending lower convex portion 1031. With this arrangement, the structural strength of the rear portion of the side portion 10 can be further improved, thereby facilitating the dispersion of the collision force.

Furthermore, as shown with continued reference to fig. 2 and 3, a nacelle stringer 101 arranged below a shroud side rail 103 is also formed in the side section 10, the rear end of the nacelle stringer 101 being connected to the bottom of the lower convex portion 1031. Since the nacelle side member 101 is generally connected to the rocker beam, this arrangement facilitates the transmission and dispersion of the collision force to the rocker beam. In addition, in order to improve the structural strength of the nacelle spar 101, as shown in fig. 2, the nacelle spar 101 is formed with a cavity extending in the longitudinal direction thereof, and a plurality of reinforcing ribs are provided in the cavity in a staggered arrangement.

As shown in fig. 2 and 3, the force transfer rib of the present embodiment is mainly provided on the above-described lower convex portion 1031, and has a plurality of first ribs 1032 arranged radially. The radial centers of the first plurality of beads 1032 are located on the centerline of the front tire on the same side and are located inside the front tire on the same side. The "inner side" is a side close to the engine compartment based on the orientation of the vehicle itself, and the radiation center is located inside the front tire when the radiation center is parallel to the width direction of the vehicle.

Because the front part of the vehicle body is in contact with the ground through the tire, the force is transferred to the vehicle body mainly through the tire, and the radiation centers of the first rib lines 1032 of the force transfer ribs are positioned on the central line of the front tire on the same side, so that the collision force applied to the vehicle body can be uniformly diffused in advance, and the influence on the comfortable perception of a client caused by the fact that the whole collision force is transferred to a passenger compartment is avoided. Simultaneously, lie in the inboard of the preceding tire with the radiation center of many first muscle lines 1032 with one side, can transmit the impact to the outside along first muscle line 1032, and then transmit threshold roof beam, A post on, dispersible impact to can effectively avoid passenger's cabin to warp, can promote collision security.

In addition, in order to improve the use effect, as shown in fig. 2 and fig. 3, the force transmission rib of this embodiment further has second rib lines 1033 having an arc shape, the second rib lines 1033 are interlaced with part of the first rib lines 1032, and the circle center of the second rib lines 1033 is a radiation center. Also, as a preferable embodiment, the second beads 1033 are curved to the side away from the front tire.

By providing the second bead line 1033, the structural strength at the lower convex portion 1031 can be further improved, and at the same time, the collision force can be transmitted to the wheel house side beam portion 103 and the rocker beam along the second bead line 1033, so that the transmission effect of the collision force can be improved. As a further implementation manner, the second ribs 1033 of the present embodiment are arranged at intervals in the front-rear direction of the automobile to form a plurality of force transmission paths, for example, the second ribs 1033 may be three ribs arranged at intervals as shown in fig. 3, and the length, height, and thickness of each second rib 1033 may be adaptively adjusted based on the arrangement position.

Further, referring to fig. 1, the nacelle side member front section 2 is connected to the front end of the nacelle side member portion 101 by a connection assembly, so that the nacelle side member front section 2 and the nacelle side member portion 101 constitute a front nacelle side member on the corresponding side. In addition, the front section 2 of the cabin longitudinal beam of the embodiment adopts the extruded aluminum profile, so that the forming is convenient, and the extruded aluminum profile has better crumple energy absorption performance, so that the integral energy absorption crumple space of the front cabin longitudinal beam can be well increased.

In addition, since the front nacelle body 1 is integrally die-cast, when the front nacelle body 1 is damaged, the entire front nacelle body often needs to be replaced, thereby increasing maintenance costs. This embodiment sets up cabin longeron anterior segment 2 through the front end at preceding cabin main part 1, can burst earlier and contract the deformation after the car bumps to reduce the collision force that preceding cabin main part 1 received, can reduce preceding cabin main part 1 and suffer more serious destruction, reduce cost of maintenance at the car collision in-process.

Specifically, as shown in fig. 6 to 8, an insertion groove 1011 is provided at the front end of the nacelle side member 101, and the connecting assembly includes the connecting member 203 and the fastening member 202. Wherein, the connecting piece 203 is located cabin longeron anterior segment 2 to in the inserting groove 1011 was inserted together with the rear end of cabin longeron anterior segment 2 to the connecting piece 202, the fastener 202 then links firmly together the front end of cabin longeron anterior segment 101, the rear end of cabin longeron anterior segment 2 to and the connecting piece 203, realize being connected between cabin longeron anterior segment 2 and the cabin longeron 101 of corresponding side from this.

As a specific embodiment, as shown in fig. 8, the connection member 203 of the present embodiment includes an upper link 2031, a lower link 2032, and a support plate 2033 connected between the upper link 2031 and the lower link 2032. The upper connecting plate 2031 and the lower connecting plate 2032 are both provided with a connecting hole 2034, and the fastener 202 is inserted into the connecting hole 2034. Meanwhile, the connection hole 2034 also penetrates the front end of the cabin side member section 101 and the rear end of the cabin side member front section 2 in the entire vehicle Y direction, that is, the entire vehicle left-right direction, so that the cabin side member section 101, the cabin side member front section 2, and the connection member 203 can be fixedly connected together by the fastening member 202 inserted into the connection hole 2034.

In this embodiment, through built-in connecting piece 203, it can be in whole car Y to playing the effect of supporting cabin longeron anterior segment 2, when can avoiding preceding cabin longeron unilateral atress, one side hookup location atress is too big, makes preceding cabin longeron overturn to one side, leads to the problem of structural stability difference.

It should be noted that, in implementation, the fastening member 202 is usually a bolt pair, which has the advantages of reliable connection and simple and convenient operation. In addition, to ensure the connection effect between the nacelle longitudinal beam front section 2 and the nacelle longitudinal beam section 101, the connection holes 2034 and the fasteners 202 penetrating therein are generally arranged in multiple sets, for example, four sets as shown in fig. 8, and two sets are respectively arranged on the upper connection plate 2031 and the lower connection plate 2032.

Based on the fact that the rear end of the front section 2 of the nacelle stringer is plugged together with the front end of the front section 101 of the nacelle stringer, as a preferred embodiment, the bottom of the plugging groove 1011, i.e. the bottom plate 1013 in fig. 4, is arranged to tilt inward from front to back in the direction of the entire vehicle X, i.e. the front-rear direction of the entire vehicle. Meanwhile, one end of the connecting member 203 extends out of the front cabin longitudinal beam front section 2 as shown in fig. 7, and the end of the extending part of the connecting member 203 is an inclined surface 2035 parallel to the bottom of the insertion groove 1011.

In addition, the inclined surface 2035 is specifically located at the end of the upper connecting plate 2031 and the end of the lower connecting plate 2032, and because the bottom of the insertion groove 1011 and the rear end of the connecting piece 203 are designed to be inclined, it is possible to control the front cabin longitudinal beam to be in front collision with the stressed first contact point when in front collision, and further to control the inclination angle of the front cabin longitudinal beam, so as to achieve the effect of controlling the front cabin longitudinal beam to collide, deform and turn over.

In specific implementation, the connecting member 203 of this embodiment is preferably made of an aluminum alloy, and can be made by extrusion molding or casting molding of an aluminum alloy. Thus, not only the manufacturing of the connector 203 is facilitated, but also the lightweight design thereof is facilitated.

In addition, as shown in fig. 6 to 8, on the basis that the cabin longitudinal beam front section 2 is made of extruded aluminum profile, in the present embodiment, the limiting grooves 201 are also provided on both left and right end surfaces of the cabin longitudinal beam front section 2, the limiting grooves 201 extend along the length direction of the cabin longitudinal beam front section 2, and correspondingly, the inner wall of the insertion groove 101 is also provided with the limiting protrusions 1012 embedded in the limiting grooves 201.

The cooperation between spacing arch 1012 and the spacing groove 201 is passed through to this embodiment, can play the effect of direction when cabin longeron anterior segment 2 inserts to the inserting groove 1011, and because spacing groove 201 and spacing arch 1012 are along the length direction of cabin longeron anterior segment 2, also arrange along whole car fore-and-aft direction, utilize the cooperation of spacing arch 1012 and spacing groove 201, also can play the effect of avoiding cabin longeron anterior segment 2 to lift up when taking place just bumping, thereby increase collision security.

In addition, as shown in fig. 4, for better use effect, the present embodiment is also provided with a recessed portion 30 in which the front cross member in the middle of the vehicle body is embedded at the lower portion of the rear end of the front nacelle main body 1, and the recessed portion 30 is arched out forward in the entire vehicle X, that is, in the vehicle front direction. Through the arrangement of the concave part 30, the problems of stress concentration, unsmooth force transmission and the like at the connecting position of the front engine room main body 1 and the front cross beam in the middle of the vehicle body can be avoided. On one hand, the rear end of the front engine room main body 1 is beneficial to avoiding process defects, the process forming is facilitated, and on the other hand, the situations that the front engine room main body 101 is broken and the like can be avoided when collision occurs by ensuring the smoothness of a force transmission path.

The automobile front cabin of the embodiment is provided with the force transmission ribs on the side parts 10, so that the structural strength of the front cabin body 1 can be improved, the transmission dispersion of the collision force can be facilitated, the vibration deformation of the passenger cabin can be effectively avoided, and the collision safety and the riding comfort can be improved. In addition, the front end of the cabin side beam part 101 is provided with the cabin longitudinal beam front section 2 made of the extruded aluminum profile, so that the whole energy-absorbing collapse space of the front cabin longitudinal beam can be increased by utilizing the good collapse energy-absorbing performance of the extruded aluminum profile, the safety of the whole vehicle in frontal collision can be further improved, and the quality of the whole vehicle is improved.

Finally, the present embodiment also relates to a motor vehicle in which the motor vehicle front cabin described above is provided.

The automobile of this embodiment can do benefit to the transmission dispersion of collision force through setting up foretell automobile front cabin to the holistic energy-absorbing of multiplicable front cabin longeron is crumpled the space, thereby can improve the collision security of whole car, and promotes whole car quality.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An automobile front cabin, characterized in that:

the front engine room comprises a front engine room main body (1) which is integrally formed by die casting, wherein the front engine room main body (1) is provided with side parts (10) which are respectively arranged at the left side and the right side, and a force transmission rib is formed on the outer side surface of at least one side of the side part (10);

along the car fore-and-aft direction, the power transmission muscle is located the rear portion of lateral part (10), just the power transmission muscle has and is radial many first muscle line (1032) of arranging, many the radiation center of first muscle line (1032) is located on the central line of the preceding tire of same side to lie in the inboard of the preceding tire of same side.

2. The automotive front nacelle according to claim 1, wherein:

the power transmission rib is further provided with a second rib line (1033) in an arc shape, the second rib line (1033) is connected with part of the first rib lines (1032) in an interwoven mode, and the circle center of the second rib line (1033) is the radiation center.

3. The automotive front nacelle according to claim 2, characterized in that:

the second rib lines (1033) are arranged at intervals in the front-rear direction of the automobile.

4. The automotive front nacelle according to any one of claims 1 to 3, characterized in that:

the side portion (10) is formed with a wheel cover side beam portion (103), and the power transmission rib is arranged on the outer side face of the wheel cover side beam portion (103).

5. The automotive front nacelle according to claim 4, wherein:

the rear part of the wheel cover side beam part (103) gradually increases in cross section and has a downward extending downward convex part (1031) toward the rear in the vehicle length direction.

6. The automotive front nacelle according to claim 5, wherein:

the side portion (10) is further formed with a nacelle stringer (101) disposed below the shroud side rail (103), and a rear end of the nacelle stringer (101) is connected to a bottom of the lower convex portion (1031).

7. The automotive front nacelle according to claim 6, wherein:

the front end of the cabin longitudinal beam part (101) is connected with a cabin longitudinal beam front section (2), and the cabin longitudinal beam front section (2) is made of extruded aluminum profiles.

8. The automotive front nacelle according to claim 7, wherein:

the front section (2) of the cabin longitudinal beam is connected with the cabin longitudinal beam part (101) through a connecting component, an inserting groove (1011) is formed in the front end of the cabin longitudinal beam part (101), and the connecting component is provided with a connecting piece (203) and a fastening piece (202);

the connecting piece (203) is located in the front section (2) of the cabin longitudinal beam, the connecting piece (203) and the rear end of the front section (2) of the cabin longitudinal beam are inserted into the insertion groove (1011), and the front end of the cabin longitudinal beam section (101), the rear end of the front section (2) of the cabin longitudinal beam and the connecting piece (203) are fixedly connected together through the fastener (202).

9. The automotive front nacelle according to claim 8, wherein:

the bottom of the insertion groove (1011) is arranged in an inward inclining mode from front to back along the front-back direction of the automobile, one end of the connecting piece (203) extends out of the front section (2) of the cabin longitudinal beam, and the end portion of the extending portion of the connecting piece (203) is an inclined surface (2035) parallel to the bottom of the insertion groove (1011).

10. An automobile, characterized in that:

the automobile is provided with the automobile front cabin of any one of claims 1 to 9.

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