CN219056382U - Side beam front auxiliary frame of non-planar straddle type new energy vehicle - Google Patents

Abstract

The utility model relates to the technical field of new energy automobiles and auxiliary frames, in particular to a side beam front auxiliary frame of a non-planar straddle type new energy automobile. The structure of adopting middle cross beam to separate sets up different mounted positions, compact compression whole preceding sub vehicle frame volume, reasonable arrangement connects and fixed knot constructs, lets mixed engine and gearbox install. The device comprises an upper cross beam, a lower cross beam, a left longitudinal beam and a right longitudinal beam, which are integrally cast into a frame-shaped structure surrounded by a low-pressure integrated hollow pipe body; a middle seat beam is transversely arranged in the frame hole, the middle seat beam divides the frame hole into a main frame hole for respectively erecting an engine and a secondary frame hole for erecting a gearbox, and a middle fixing seat for fixing the engine and the head-tail structure of the gearbox is arranged in the center of the middle seat beam; the left longitudinal beam and the right longitudinal beam have the same structure, a claw seat is arranged, and a lower swing arm seat is arranged beside the claw seat; the front inclined seat is divided into two parts, namely a sheep-shaped pipe seat and a front swing arm seat, which are arranged obliquely at the joint of the head end and the tail end of the upper cross beam and the left longitudinal beam or the right longitudinal beam.

Description

Side beam front auxiliary frame of non-planar straddle type new energy vehicle

Technical Field

The utility model relates to the technical field of new energy automobiles and auxiliary frames, in particular to a side beam front auxiliary frame of a non-planar straddle type new energy automobile.

Background

The traditional auxiliary frame comprises a front auxiliary frame and a rear auxiliary frame, wherein the front auxiliary frame and the rear auxiliary frame are usually all-aluminum cast or steel frame type front auxiliary frames, such as a front suspension system suitable for a multi-vehicle type platform with the patent number of CN202220081687.6, and the traditional auxiliary frame comprises a front auxiliary frame, a stabilizer bar, a front lower control arm, a connecting rod, a knuckle, an upper control arm, a front shock absorber, a coil spring, a steering gear and a rear lower control arm; the front suspension system can meet the requirements of different vehicle types on the wheel track and the kinematic characteristics by changing the wheel track by the set values of the main pin inner inclination angle, the main pin back inclination angle, the acceleration resistance arm length and the grinding radius, and the structural requirements of the guide mechanism are not influenced on the premise of meeting the requirements of different vehicle types on the wheel track and the kinematic characteristics by setting and distributing the parameters of the guide mechanism consisting of the front lower control arm, the rear lower control arm and the upper control arm. Although the technology can be adapted to various vehicle types and platforms, if the technology is adapted to a new energy electric and oil hybrid vehicle type or a new energy vehicle type which is not feasible, in order to ensure the endurance mileage and the battery capacity, the whole vehicle preparation quality is higher than that of a traditional fuel vehicle, the load caused by the weight of the preparation quality is increased, the front auxiliary frame is generally provided with a hybrid engine and a gearbox to bear larger load and heavier weight, the whole vehicle quality is influenced, the achievement of the weight reduction target is reduced, the endurance mileage of the whole new energy electric and oil hybrid vehicle is reduced, the reduction of the whole vehicle quality and customer complaints are caused, and therefore, the front auxiliary frame with a compact volume structure is needed.

Disclosure of Invention

In order to solve the problems in the prior art, the side beam front auxiliary frame of the non-planar straddle type new energy vehicle is provided, different mounting positions are arranged by adopting a structure with separated middle cross beams, the whole front auxiliary frame is compact in size, and a connecting and fixing structure is reasonably arranged, so that a hybrid engine and a gearbox are mounted.

The utility model solves the technical problems by adopting the technical scheme that: a side beam front auxiliary frame of a non-planar straddle type new energy vehicle comprises an upper cross beam, a lower cross beam, a left longitudinal beam and a right longitudinal beam, wherein the upper cross beam, the lower cross beam, the left longitudinal beam and the right longitudinal beam are integrally cast into a frame-shaped structure surrounded by a low-pressure integrated hollow pipe body, and a frame hole is formed in the center of the frame-shaped structure; wherein: a middle seat beam is transversely arranged in the frame hole, the middle seat beam divides the frame hole into a main frame hole for respectively erecting an engine and a secondary frame hole for erecting a gearbox, and a middle fixing seat for fixing the engine and the head-tail structure of the gearbox is arranged in the center of the middle seat beam;

the left longitudinal beam and the right longitudinal beam have the same structure, a claw seat for connecting a vehicle body is arranged at the same axis position as the middle seat beam, and a lower swing arm seat is arranged beside the claw seat; the front inclined seat is divided into two parts, namely a sheep-shaped pipe seat and a front swing arm seat, which are arranged obliquely at the joint of the head end and the tail end of the upper cross beam and the left longitudinal beam or the right longitudinal beam. The integrative fashioned of preceding oblique seat possess replace preceding horn pipe individual function and preceding swing arm seat individual function among the prior art, optimize the sharing of stress to entablature and left longeron, the left and right anterior segment position of right longeron, reduce the burden in roof beam body central authorities, let its centralized processing because the relevant weight and the stress burden that mix the engine brought, increased well crossbeam structure to the horn seat side that corresponds the setting sets up swing arm seat integrated configuration down, has not only born the rear side weight stress of mixing the engine, has still practiced thrift the setting space, corresponds the side setting that still does not interfere the derailleur.

Preferably, the installation position of the lower swing arm seat and the installation position of the auxiliary frame hole are on the same side. The gravity center is deviated to the rear side, so that the weight problem of an engine is mainly solved, and meanwhile, the stress of a wheel transmission structure is transmitted to the rear side of the front auxiliary frame, so that the balance is realized.

Preferably, the middle seat beam is in a convex shape, a shape like a Chinese character 'ji' or a convex arc or a W shape, the middle fixing seat is arranged at the most central position and is in a three-dimensional shape, the top of the middle fixing seat is provided with an engine connecting table, and the middle fixing seat is internally provided with a secondary device connecting table for installing a transmission head end fixing structure in a secondary frame hole.

Preferably, the tail ends of the left longitudinal beam and the right longitudinal beam are provided with a lower connecting table, the lower connecting table is provided with a vehicle body connecting seat and an auxiliary frame seat, the vehicle body connecting seat is of a transverse long cube structure, the whole width of the lower cross beam is the same as that of the vehicle body connecting seat, and the lower cross beam extends integrally and is shaped from the vehicle body connecting seat. The lower cross beam is of a concave arc structure for increasing the elasticity of bearing, after the auxiliary frame is provided with engine transmission equipment, the connection burden of the two sides of the lower cross beam and the longitudinal beams is necessarily increased, and the lower cross beam main shaping connection structure is completely connected with the vehicle body connection seat into an integral structure, and then the relatively thick vehicle body connection seat is used as a connection position, so that the bearing beam of the lower cross beam can ascend and the stress processing capacity of the connection position is enhanced.

Preferably, the lower cross beam is of a concave arc structure. The arrangement can provide more space for the automobile structure arranged at the position of the rear auxiliary frame hole, and can also have a certain elastic structure, so that excessive collision noise generated after too hard arrangement is reduced in the running process of the automobile.

Preferably, the lower swing arm seat is provided with a force reducing block which extends to the left longitudinal beam and the right longitudinal beam at the bottom for shaping. The stress reduction block that extends the shaping setting can be with the stress reduction of pushing down behind the swing arm of lower swing arm seat connection swing arm, extends to whole left longeron, right longeron's extension department and shares, increases the intensity of lower swing arm seat.

Preferably, the horn tube seat table is embedded into the front side of the front inclined seat for integrally shaping, and the bottom mounting cavity of the horn tube seat table and the mounting cavity of the front swing arm seat table share a swing arm mounting cavity and are separated by a front plate. The connection structure of sheep angle pipe seat is mainly concentrated in the upper end, and the mounting structure of preceding swing arm seat is mainly concentrated in the lower extreme, and both integrate the shaping setting, have avoided mutual structure mutually noninterfere moreover.

Preferably, the front swing arm seat and the lower swing arm seat are opposite in open square, the concave cavity A of the front swing arm seat is arranged downwards, and the concave cavity B of the lower swing arm seat is arranged upwards. The opposite arrangement can be correspondingly and optimally arranged according to the weight of the engine, the weight of the engine is heavier than that of the transmission, the gravity center of the engine leans forwards towards the upper cross beam, and the downward concave cavity A is arranged to avoid abrasion and detachment of the installation position along the square shape; the concave cavity B of the lower swing arm seat is matched with the middle seat beam, and the weight pressed down by the concave cavity B is transmitted to the middle seat beam in a biased manner to share, so that the stress capacity is optimized.

Preferably, the top of the upper ends of the left longitudinal beam and the right longitudinal beam are provided with an engine side fixing seat, the engine side fixing seat is divided into an upper side fixing seat and a lower side fixing seat, the upper side fixing seat is parallel to the leftmost side of the front inclined seat, and the lower side fixing seat is parallel to the rightmost side of the front inclined seat. The utility model has the following beneficial effects: 1. the structure such as the mounting seat and the claw seat are fully cast integrally, the structure is not identical with the steel auxiliary frame and the aluminum auxiliary frame which is not integrated with the same level and needs to be additionally assembled, a plurality of parts of a plate structure are not needed to be adopted for forming, the further possibility is provided for the weight reduction of the rear auxiliary frame, the process difficulty is quite significant, different mounting positions are arranged by adopting a structure with a middle cross beam separated, the whole front auxiliary frame is compact in volume, and the connecting and fixing structures are reasonably arranged, so that the hybrid engine and the gearbox are installed; 2. the integrative fashioned of preceding oblique seat possess replace preceding horn pipe individual function and preceding swing arm seat individual function among the prior art, optimize the sharing of stress to entablature and left longeron, the left and right anterior segment position of right longeron, reduce the burden in roof beam body central authorities, let its centralized processing because the relevant weight and the stress burden that mix the engine brought, increased well crossbeam structure to the horn seat side that corresponds the setting sets up swing arm seat integrated configuration down, has not only born the rear side weight stress of mixing the engine, has still practiced thrift the setting space, corresponds the side structure setting that still does not interfere the derailleur.

Drawings

FIG. 1 is a top view of the overall structure;

FIG. 2 is a diagram of an overall bottom view;

FIG. 3 is a front perspective view of the structure;

FIG. 4 is a side view block diagram;

fig. 5 is a rear perspective view of the structure.

In the figure: the upper cross beam 1, the lower cross beam 2, the left longitudinal beam 3, the right longitudinal beam 4, the frame hole 5, the middle seat beam 6, the main frame hole 7, the auxiliary frame hole 8, the middle fixing seat 9, the claw seat 10, the lower swing arm seat 11, the front inclined seat 12, the claw seat 13, the front swing arm seat 14, the engine connecting table 15, the auxiliary device connecting table 16, the lower connecting table 17, the vehicle body connecting seat 18, the auxiliary frame seat 19, the force reducing block 20, the swing arm installation cavity 21, the front plate 22, the concave cavity A23, the concave cavity B24, the engine side fixing seat 25, the upper side fixing seat 26 and the lower side fixing seat 27.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model;

in the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

The front auxiliary frame of the side beam of the non-planar straddle type new energy vehicle shown in fig. 1, 2 and 3 comprises an upper cross beam 1, a lower cross beam 2, a left longitudinal beam 3 and a right longitudinal beam 4, wherein the 4 beam body structures are of a frame-shaped structure formed by casting and surrounding an aluminum alloy low-pressure integrated hollow tube body, and a frame hole 5 is formed in the center of the frame-shaped structure; wherein: the middle seat beam 6 is transversely arranged at the middle center of the frame hole 5, the left head end of the middle seat beam 6 is connected to the inner side surface of the left longitudinal beam 3, the right tail end of the middle seat beam 6 is connected to the inner side surface of the right longitudinal beam 4, the middle seat beam 6 divides the frame hole 5 into a main frame hole 7 for respectively erecting an engine and a secondary frame hole 8 for erecting a gearbox, the arrangement mainly corresponds to the arrangement of the transmission and the engine, and a middle fixing seat 9 for fixing the engine and the gearbox in a head-tail structure is arranged at the center of the middle seat beam 6; the middle seat beam 6 is in a convex shape, a shape like a Chinese character 'ji' or a convex arc or a W shape at the two sides, the middle fixing seat 9 is arranged at the most central position and is in a three-dimensional shape, the engine connecting table 15 is arranged at the top of the middle fixing seat 9, and the middle fixing seat 9 is provided with the auxiliary device connecting table 16 for installing a transmission head end fixing structure in the auxiliary frame hole 8. If the traditional design is adopted, a plurality of connecting rod structures are designed or the whole auxiliary frame is designed according to the size of the hybrid engine, the corresponding design is too much mold cost, and a plurality of vehicle types are incompatible, and the cost of designing and manufacturing too much extension is too high compared with that of the front auxiliary frame in the case of a plurality of vehicle types of the existing engine, so that different mounting positions are arranged by adopting a middle beam separated structure, the whole front auxiliary frame is compactly compressed, the connection of the hybrid engine and the fixed structure of the transmission are reasonably arranged, and the hybrid engine and the transmission are respectively matched for mounting, so that the design and the production cost are more reasonable and saved, and the production manufacturer can obtain greater benefits; the highest position and the lowest position of the upper cross beam 1, the lower cross beam 2 and the middle seat beam 6 are not in the same position as shown in fig. 4, and are of a non-planar straddle type beam body structure, and the gravity center is adjusted from front to back;

in the prior art, if the middle beam structure is designed, the stress of the middle beam structure is reasonably differentiated, the hardness, softness and mode of the middle beam structure are reasonably optimized to the maximum, and the middle beam body is not directly connected with the vehicle body for stress optimization, so that the middle beam body is converted to a corresponding structure of the side beam, and the corresponding design of the utility model is as follows: as shown in fig. 1 and 3, the left longitudinal beam 3 and the right longitudinal beam 4 have the same structure, a claw seat 10 for connecting a vehicle body is arranged at the same axial line position with the middle seat beam 6, and a lower swing arm seat 11 is arranged beside the claw seat 10; the arrangement position of the lower swing arm seat 11 and the arrangement position of the auxiliary frame hole 8 are arranged on the same side. The gravity center is deviated to the rear side, so that the weight problem of an engine is mainly solved, and meanwhile, the stress of a wheel transmission structure is transmitted to the rear side of the front auxiliary frame, so that the balance is realized. The lower swing arm seat 11 is also provided with a force reducing block 20 in a shape of extending to the left longitudinal beam 3 and the right longitudinal beam 4 at the bottom. The stress reduction block arranged in the extension molding mode can reduce the stress of the lower swing arm seat after being connected with the swing arm and then downwards pressed, and the stress is shared by extending to the extending positions of the whole left longitudinal beam 3 and the right longitudinal beam 4, so that the strength of the lower swing arm seat is increased. A front inclined seat 12 which is obliquely arranged is arranged at the joint of the head end and the tail end of the upper cross beam 1 and the left longitudinal beam 3 or the right longitudinal beam 4, and the front inclined seat 12 is divided into two parts, namely a sheep-shaped pipe seat table 13 and a front swing arm seat table 14. The front inclined seat is integrally molded, has the independent functions of a front horn tube and a front swing arm seat in the prior art, optimizes the stress sharing to the left front section position and the right front section position of the upper cross beam 1, the left longitudinal beam 3 and the right longitudinal beam 4, reduces the burden of the center of a beam body, intensively processes the related weight and the stress burden brought by a hybrid engine, increases the middle cross beam structure, and correspondingly sets a lower swing arm seat combined structure beside the horn seat, thereby not only bearing the rear weight stress of the hybrid engine, but also saving the setting space, and correspondingly not interfering with the side setting of a transmission.

As shown in fig. 4 and 5, in order to optimize the connection between the lower cross beam and the vehicle body, the tail ends of the left longitudinal beam 3 and the right longitudinal beam 4 are provided with a lower connecting table 17, the lower connecting table 17 is provided with a vehicle body connecting seat 18 and a subframe seat 19, the vehicle body connecting seat 18 is of a transversely long cubic structure, the whole lower cross beam 2 has the same width as the vehicle body connecting seat 18, and the lower cross beam are integrally molded by extending from the vehicle body connecting seat 18. The lower cross beam 2 is of a concave arc structure for increasing the elasticity of bearing, and after the auxiliary frame is provided with engine speed changer equipment, the connection burden of the two sides of the lower cross beam and the longitudinal beams is necessarily increased, and after the main shaping connection structure of the lower cross beam is completely connected with the vehicle body connection seat 18 into an integral structure, the relatively thick vehicle body connection seat is used as a connection position, so that the bearing beam of the lower cross beam can ascend and the stress processing capacity of the connection position is enhanced. The lower cross beam 2 is of a concave arc structure. The arrangement can provide more space for the automobile structure arranged at the position of the rear auxiliary frame hole 8, and can also have a certain elastic structure, so that excessive collision noise generated after too hard arrangement is reduced in the running process of the automobile.

As shown in fig. 3 and 4, the prior art horn socket is generally of a separate structure, similar to the horn socket 10, but such arrangement is not practical in the related design of the beam structure with an upper center of gravity, such as reinforcing the stress structure thereof, so that the horn socket 13 is integrally cast and molded in a manner of being embedded in the front side of the front inclined socket 12, and the installation cavity at the bottom of the horn socket 13 and the installation cavity of the front swing arm socket 14 share a swing arm installation cavity 21 and are separated by a front plate 22. The connection structure of sheep angle pipe seat is mainly concentrated in the upper end, and the mounting structure of preceding swing arm seat is mainly concentrated in the lower extreme, and both integrate the shaping setting, have avoided mutual structure mutually noninterfere moreover. The open square of the front swing arm seat 14 and the open square of the lower swing arm seat 11 are opposite, the concave cavity A23 of the front swing arm seat 14 is arranged downwards, and the concave cavity B24 of the lower swing arm seat 11 is arranged upwards. The opposite arrangement can be correspondingly and optimally arranged according to the weight of the engine, the weight of the engine is heavier than that of the transmission, the gravity center of the engine leans forwards towards the upper cross beam 1, and the downward concave cavity A is arranged to avoid abrasion and detachment of the installation position along the square shape; the concave cavity B of the lower swing arm seat 11 is matched with the middle seat beam, and the weight pressed down by the concave cavity B is transmitted to the middle seat beam in a biased manner to share, so that the stress capacity is optimized.

As shown in fig. 1, for the upper side connection structure of the engine, such as a connection plate, for fixing connection, the top parts of the upper ends of the left and right stringers 3, 4 are provided with an engine side fixing seat 25, the engine side fixing seat 25 is divided into an upper side fixing seat 26 and a lower side fixing seat 27, the upper side fixing seat 26 is disposed in a position parallel to the leftmost side of the front oblique seat 12, and the lower side fixing seat 27 is disposed in a position parallel to the rightmost side of the front oblique seat 12. The center of gravity is optimized in parallel, and the maximum stability of the front auxiliary frame can be maintained.

The utility model has been described above by way of example with reference to the accompanying drawings, it is obvious that the implementation of the utility model is not limited by the above manner, and it is within the scope of the utility model to apply the inventive concept and technical solution to other occasions as long as various improvements made by the inventive method concept and technical solution are adopted or without any improvement.

Claims (9)

1. A side beam front auxiliary frame of a non-planar straddle type new energy vehicle comprises an upper cross beam (1), a lower cross beam (2), a left longitudinal beam (3) and a right longitudinal beam (4), wherein the upper cross beam, the lower cross beam, the left longitudinal beam (3) and the right longitudinal beam (4) are integrally cast into a frame-shaped structure formed by enclosing a low-pressure integrated hollow pipe body, and a frame hole (5) is formed in the center of the frame-shaped structure; wherein: a middle seat beam (6) is transversely arranged in the frame hole (5), the middle seat beam (6) divides the frame hole (5) into a main frame hole (7) for respectively erecting an engine and a secondary frame hole (8) for erecting a gearbox, and a middle fixing seat (9) for fixing the engine and the head-tail structure of the gearbox is arranged in the center of the middle seat beam (6); the left longitudinal beam (3) and the right longitudinal beam (4) have the same structure, a claw seat (10) for connecting a vehicle body is arranged at the same axial line position with the middle seat beam (6), and a lower swing arm seat (11) is arranged beside the claw seat (10); a front inclined seat (12) which is obliquely arranged is arranged at the joint of the head end and the tail end of the upper cross beam (1) and the left longitudinal beam (3) or the right longitudinal beam (4), and the front inclined seat (12) is divided into two parts, namely a sheep-horn tube seat table (13) and a front swing arm seat table (14).

2. The front side beam subframe of a non-planar straddle-type new energy vehicle according to claim 1, wherein: the arrangement position of the lower swing arm seat (11) and the arrangement position of the auxiliary frame hole (8) are arranged on the same side.

3. The front side beam subframe of a non-planar straddle-type new energy vehicle according to claim 1, wherein: the middle seat beam (6) is in a convex shape or a shape like a Chinese character 'ji' or a convex arc or a W shape at the two sides, the middle fixing seat (9) is arranged at the most central position and is in a three-dimensional shape, the engine connecting table (15) is arranged at the top of the middle fixing seat (9), and the middle fixing seat (9) is provided with the auxiliary device connecting table (16) for installing the transmission head end fixing structure in the auxiliary frame hole (8).

4. The front side beam subframe of a non-planar straddle-type new energy vehicle according to claim 1, wherein: the tail ends of the left longitudinal beam (3) and the right longitudinal beam (4) are provided with a lower connecting table (17), a vehicle body connecting seat (18) and an auxiliary frame seat (19) are arranged on the lower connecting table (17), the vehicle body connecting seat (18) is of a transverse long cube structure, and the whole lower cross beam (2) and the vehicle body connecting seat (18) are the same in width, and integrally molded in an extending mode from the vehicle body connecting seat (18).

5. The front side rail subframe of a non-planar straddle-type new energy vehicle according to claim 1 or 4, wherein: the lower cross beam (2) is of a concave arc structure.

6. The side sill front subframe of a non-planar straddle-type new energy vehicle according to claim 1 or 2, characterized in that: the lower swing arm seat (11) is also provided with a force reducing block (20) which extends and shapes the left longitudinal beam (3) and the right longitudinal beam (4) at the bottom.

7. The front side beam subframe of a non-planar straddle-type new energy vehicle according to claim 1, wherein: the claw tube seat (13) is embedded into the front side of the front inclined seat (12) for integrally shaping, and a swing arm installation cavity (21) is shared by an installation cavity at the bottom of the claw tube seat (13) and an installation cavity of the front swing arm seat (14) and is separated by a front plate (22).

8. The front side rail subframe of a non-planar straddle-type power generation vehicle of claim 7, wherein: the front swing arm seat (14) and the lower swing arm seat (11) are opposite in open square, a concave cavity A (23) of the front swing arm seat (14) is arranged downwards, and a concave cavity B (24) of the lower swing arm seat (11) is arranged upwards.

9. The front side rail subframe of a non-planar straddle-type new energy vehicle according to claim 1 or 4, wherein: the engine side fixing seat (25) is arranged at the top of the upper ends of the left longitudinal beam (3) and the right longitudinal beam (4), the engine side fixing seat (25) is divided into an upper side fixing seat (26) and a lower side fixing seat (27), the arrangement position of the upper side fixing seat (26) is parallel to the leftmost side of the front inclined seat (12), and the arrangement position of the lower side fixing seat (27) is parallel to the rightmost side of the front inclined seat (12).

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