CN219115567U - Vehicle body connection structure and vehicle - Google Patents

Abstract

The application is applicable to the vehicle technical field, proposes a body connection structure and vehicle, and body connection structure is used for connecting chassis and automobile body, and body connection structure includes: the fixed seat is used for being mounted on one of the chassis and the vehicle body; the bag body is connected to the fixing seat and can be expanded to be in interference fit with the other one of the chassis and the vehicle body. The vehicle body connection structure provided by the embodiment of the application can conveniently connect or separate the chassis and the vehicle body, and improves the convenience of assembling and disassembling the vehicle and the assembling and disassembling efficiency.

Description

Vehicle body connection structure and vehicle

Technical Field

The present application relates to the field of automotive parts, and in particular, to a vehicle body connection structure and a vehicle.

Background

Energy conservation and emission reduction are key to sustainable development of automobiles, and electric vehicles are widely focused on due to the advantages of green and environment protection.

At present, the mainstream electric vehicle still adopts the traditional chassis design, so that the short plates with high cost, heavy weight, low endurance mileage, low space efficiency and the like of the whole vehicle are more and more obvious, and for this reason, a vehicle enterprise starts to adopt the development of decoupling of a vehicle body and the chassis so as to improve the short plates. However, the existing connection structure of the vehicle body and the chassis has the problem of inconvenient assembly and disassembly.

Disclosure of Invention

In view of this, the embodiments of the present application provide a vehicle body connection structure and a vehicle, which can improve the problem of inconvenient assembly and disassembly of the vehicle body connection structure of a vehicle body and a chassis.

Embodiments of the first aspect of the present application provide a vehicle body connection structure for connecting a chassis and a vehicle body, the vehicle body connection structure including:

the fixed seat is used for being mounted on one of the chassis and the vehicle body;

and the bag body is connected with the fixed seat and can be expanded to be in interference fit with the other one of the chassis and the vehicle body.

The vehicle body connecting structure comprises a fixing seat and a bag body connected to the fixing seat, wherein the fixing seat is used for being installed on one of a chassis and a vehicle body; the bag body is connected with the fixing seat, and the bag body can be expanded to be in interference fit with the other one of the chassis and the vehicle body, so that the vehicle body connecting structure can simultaneously connect the vehicle body and the chassis to fix the vehicle body and the chassis; the bladder is switchable between an expanded state and a contracted state to meet assembly or disassembly requirements. The automobile body connection structure can conveniently connect or separate the chassis and the automobile body, so that the chassis and the automobile body are assembled and disassembled simply and conveniently, the working hours are less, the convenience of assembling and disassembling the automobile and the efficiency of assembling and disassembling the automobile are improved, and the convenience of replacing the automobile body is ensured. The automobile body connection structure provided by the embodiment of the application does not need to occupy a larger operation space, and improves the space arrangement efficiency of the whole automobile.

In some embodiments, the fixing seat is used for being installed on the chassis, and the bag body is used for being in interference fit with a cavity formed in the vehicle body.

Through adopting above-mentioned technical scheme, the fixing base is installed on the chassis, and the bag body can be filled in the cavity on the automobile body to through automobile body connection structure fixed connection automobile body and chassis.

In some embodiments, the fixing base comprises a fixing part and a connecting part which are connected, the fixing part is used for being fixed on the chassis, the bag body is connected to the connecting part, and the connecting part can be inserted into the cavity from an opening of the cavity so that the bag body can enter and expand to fill the cavity.

Through adopting above-mentioned technical scheme, the fixing base has played the dual function of counterpoint in advance and connection, and the bag body can be spacing to the automobile body in the direction of height of automobile body, and the automobile body connection structure can play spacing effect in the three-dimensional direction, has guaranteed the counterpoint precision of chassis and automobile body.

In some embodiments, a first accommodating cavity is provided in the connecting portion, and the capsule is at least partially accommodated in the first accommodating cavity.

Through adopting above-mentioned technical scheme, the bag body can be acceptd in connecting portion to further promote the convenience of installation or dismantlement automobile body.

In some embodiments, a second accommodating cavity communicated with the first accommodating cavity is arranged in the fixing part, and the bag body is at least partially accommodated in the first accommodating cavity and the second accommodating cavity.

Through adopting above-mentioned technical scheme, the bag body can be at least partly acceptd in first chamber and the second chamber of holding, can guarantee that the bag body can with cavity interference fit to first chamber and the second chamber of holding can also hold the bag body of shrink state.

In some embodiments, the connecting portion protrudes relative to the fixing portion, and an end face of the connecting portion, which faces away from the fixing portion, is provided with a first guiding inclined surface capable of guiding and matching with the opening.

Through setting up first direction inclined plane, the automobile body connection structure that this application embodiment provided can conveniently insert the connecting portion and locate in the cavity.

In some embodiments, the securing portion is welded, riveted, threaded, or snap-fit with the chassis.

Through adopting above-mentioned technical scheme, the fixed part can adopt multiple connected mode to fix on the chassis, all can make the fixing base connect on the chassis steadily.

In some embodiments, the body connection further comprises a delivery tube having one end in communication with the bladder and another end for communication with an external storage device, the delivery tube being configured to deliver a medium between the bladder and the storage device capable of inflating the bladder.

By adopting the technical scheme, the bag body is inflated in a mode of conveying the medium through the conveying pipe, the operation is simple and easy, and the working time is short.

In some embodiments, the delivery tube is disposed through the holder.

Through adopting above-mentioned technical scheme, the fixing base can provide the installation passageway for the conveyer pipe, and convenient conveyer pipe is connected with the utricule, and reduces the space that the conveyer pipe occupy in the vehicle.

In some embodiments, the bladder is provided with a media port for enabling inflation of the bladder to be performed in and out of the bladder.

Through adopting above-mentioned technical scheme, automobile body connection structure can directly flow in or flow out the medium through the medium mouth of the bag body, simple structure.

Embodiments of a second aspect of the present application provide a vehicle comprising:

chassis and body; and

the vehicle body connection structure according to the first aspect, the vehicle body connection structure being for connecting the chassis and the vehicle body.

The vehicle described above includes the vehicle body connecting structure provided in the first aspect, and also has the advantage of easy attachment and detachment. In addition, the vehicle body connecting structure in the vehicle can replace bolts, and the number of the bolts is greatly reduced.

In some embodiments, the vehicle body comprises a vehicle body beam, a cavity is arranged in the vehicle body beam, an opening communicated with the cavity is arranged on the vehicle body beam, the fixing seat is fixed on the chassis, and the bag body can be expanded to fill the cavity.

Through adopting above-mentioned technical scheme, the fixing base is installed on the chassis, and the bag body can be filled in the cavity on the automobile body to through automobile body connection structure fixed connection automobile body and chassis.

In some embodiments, the body beam is provided with a guide structure extending along the vertical direction at the opening, the middle part of the guide structure is provided with a through hole, two ends of the through hole are respectively communicated with the opening and the cavity, and one end of the fixing seat can be inserted into the through hole.

Through setting up guide structure, can lead the stroke that the fixing base inserted the cavity, conveniently install a plurality of automobile body connection structure simultaneously, promoted the positioning accuracy of equipment.

In some embodiments, the end of the guide structure adjacent to the opening is provided with a second guide ramp.

By arranging the second guide inclined plane, the assembly action of the fixing seat can be further guided.

In some embodiments, the fixing base is slidably connected to the guiding structure or is clamped with the guiding structure.

Through adopting above-mentioned technical scheme, guide structure not only can play the guide effect to the fixing base, can also provide spacing to the fixing base in automobile body length and width direction.

In some embodiments, the number of the vehicle body connection structures is plural, and the plural vehicle body connection structures are provided on the chassis at intervals.

By adopting the technical scheme, the vehicle can comprise a plurality of vehicle body connecting structures due to the fact that the chassis and the vehicle body of the vehicle are large in size, so that the connection strength and the connection stability are further improved.

In some embodiments, the vehicle further comprises a fastener that fastens the chassis and the body.

Through adopting above-mentioned technical scheme, automobile body connection structure and fastener can be used for connecting automobile body and chassis jointly, and stability is better.

In some embodiments, a peripheral edge of a side of the chassis facing the vehicle body is fixedly connected with corresponding positions of the vehicle body by a plurality of the fasteners, and a portion of the side of the chassis facing the vehicle body located within the peripheral edge is connected with a portion of the vehicle body located within the peripheral edge by a plurality of the vehicle body connection structures; or,

a part of the position of the peripheral edge of one side of the chassis facing the vehicle body is fixedly connected with the corresponding position of the vehicle body through the fastener, and the other part of the position of the peripheral edge of one side of the chassis facing the vehicle body is connected with the corresponding position of the vehicle body through the vehicle body connecting structure; a part of the chassis, which faces one side of the vehicle body, is located in the peripheral edge and is fixedly connected with the corresponding position of the vehicle body through the fastener, and the other part of the chassis, which faces one side of the vehicle body, is located in the peripheral edge and is connected with the corresponding position of the vehicle body through the vehicle body connecting structure.

Through adopting above-mentioned technical scheme, the vehicle can set up fastener and body connection structure's setting position in a flexible way, can enough realize the fixed connection of automobile body and chassis, can promote the convenience and the efficiency of installing and removing again.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the description of the embodiments or the conventional technology will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic view of a vehicle according to an embodiment of the present application;

FIG. 2 is a schematic view of a vehicle body connection structure provided in an embodiment of the present application;

FIG. 3 is a schematic view of the body attachment structure shown in FIG. 2 in a vehicle;

FIG. 4 is a schematic view of the vehicle body connection structure shown in FIG. 3 in another state;

FIG. 5 is a schematic view of a vehicle body connection structure provided in another embodiment of the present application;

FIG. 6 is a schematic view of a vehicle body beam according to an embodiment of the present application;

FIG. 7 is a schematic view of a sliding floor stringer provided in an embodiment of the present application;

FIG. 8 is a schematic view of a chassis according to an embodiment of the present disclosure;

fig. 9 is a schematic structural view of a chassis according to another embodiment of the present application.

The meaning of the labels in the figures is:

1000. a vehicle;

100. a vehicle body connection structure;

10. a fixing seat; 11. a fixing part; 111. a second accommodation chamber; 12. a connection part; 121. a first guiding inclined surface; 122. a first accommodation chamber;

20. a bladder; 21. a media port;

30. a delivery tube;

200. a chassis; 210. a chassis beam;

300. a vehicle body; 310. a body beam; 311. a cavity; 3111. an opening; 312. a bottom wall; 313. a sidewall; 314. a top wall; 315. a guide structure; 3151. a through hole; 3152. a second guiding inclined surface;

400. a fastener.

Detailed Description

Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are orientation or positional relationship based on the drawings, and are merely for convenience of describing the embodiments of the present application and simplifying the description, and are not intended to indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Energy conservation and emission reduction are key to sustainable development of automobiles, and electric vehicles are widely focused on due to the advantages of green and environment protection. At present, the mainstream electric vehicle still adopts the traditional chassis design, so that the short plates with high cost, heavy weight, low endurance mileage, low space efficiency and the like of the whole vehicle are more and more obvious, and for this reason, a vehicle enterprise starts to adopt the development of decoupling of a vehicle body and the chassis so as to improve the short plates.

According to research, in some cases, the vehicle body and the chassis are connected through a bolt structure, the installation or the disassembly of the bolt structure is long in time consumption and needs a large operation space, and the problem of inconvenient disassembly exists.

In order to solve the problem that the chassis is inconvenient to detach from the chassis, the embodiment of the application provides a vehicle body connecting structure for connecting the chassis and the vehicle body and the vehicle, wherein the vehicle body connecting structure comprises a fixing seat and a bag body, and the fixing seat is used for being installed on one of the chassis and the vehicle body; the bag body is connected to the fixing base, and the bag body can be expanded to be in interference fit with the other one of the chassis and the vehicle body. Thus, the vehicle body connecting structure is fixed on one of the chassis and the vehicle body, and is connected with the other of the chassis and the vehicle body through the bag body, so that the fixed connection of the chassis and the vehicle body is realized. In application, the bag body can be switched between an expansion state and a contraction state so as to meet the assembly or disassembly requirement, the working hours are short, the assembly and disassembly convenience and the assembly and disassembly efficiency are improved, and the convenience of replacing the vehicle body is ensured; and, compare in the bolt structure, the automobile body connection structure that this application embodiment provided need not to occupy great operating space, has avoided the problem that local mounting point can't use the bolt rifle because of the space restriction, has further promoted the convenience of operation.

The vehicle body connecting structure disclosed by the embodiment of the application is used for a vehicle. For convenience of explanation, the following embodiment will be described by taking a vehicle according to an embodiment of the present application as an example.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the present application. The vehicle 1000 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle. The interior of the vehicle 1000 is provided with a battery (not shown), which may be provided at the bottom or at the head or at the tail of the vehicle 1000. The battery may be used for power supply of the vehicle 1000, for example, the battery may be used as an operating power source of the vehicle 1000.

As shown in fig. 1, the vehicle 1000 includes a detachably connected chassis 200 and a vehicle body 300, and the vehicle 1000 may be a vehicle employing a non-load-bearing vehicle body 300. When the non-load-bearing vehicle body 300 is assembled, the chassis 200 and the vehicle body 300 can be respectively finished on different split charging lines, and then the chassis and the vehicle body 300 are assembled together.

Embodiments of the first aspect of the present application provide a vehicle body connection structure 100, the vehicle body connection structure 100 being used to connect a chassis 200 with a vehicle body 300. Referring to fig. 1 and 2, the vehicle body connecting structure 100 includes a fixing base 10 and a bag body 20, wherein the fixing base 10 is configured to be mounted on one of a chassis 200 and a vehicle body 300; the bladder 20 is connected to the anchor mount 10, and the bladder 20 is capable of expanding to an interference fit with the other of the chassis 200 and the body 300.

Referring to fig. 3, alternatively, the fixing base 10 is configured to be mounted on the chassis 200, and the capsule 20 is configured to be in interference fit with the vehicle body 300; it will be appreciated that the anchor mount 10 may also be secured to the body 300 and the bladder 20 adapted for interference engagement with the chassis 200.

The fixing base 10 provides a fixing base for the capsule 20, and the fixing base 10 may be fixed to the chassis 200 or the vehicle body 300 by welding, riveting, or the like. The material of the fixing base 10 may be metal, such as steel, aluminum, etc., and the fixing base 10 made of metal has high structural strength, but is not limited thereto, for example, the material of the fixing base 10 may be plastic or other materials. The specific structure and shape of the fixing base 10 are not limited in this application.

The capsule 20 is connected to the fixing base 10, wherein the connection mode can be direct connection or indirect connection, and only the fixing base 10 is required to provide a fixed foundation for the capsule 20. The bladder 20 is capable of switching between an inflated and a deflated state, and specifically, the bladder 20 may be inflated by the passage of a gas or liquid into the bladder 20. The material of the bag body 20 can be high-pressure deformable rubber or high polymer material, etc., and the bag body 20 has better deformability.

After the bladder 20 is inflated, the volume of the bladder 20 becomes larger, so that the bladder 20 can be connected with the chassis 200 or the vehicle body 300 in an interference fit. For example, as shown in fig. 3 and 4, the body beam 310 of the vehicle body 300 is provided with a receiving cavity, and the inflated bladder 20 may fill the receiving cavity to enable the bladder 20 to be in interference fit with the body beam 310, so that the bladder 20 may be stably connected with the body beam 310.

The principle of use of the vehicle body connection structure 100 is described below with reference to the embodiment of fig. 1 to 4. When in assembly, the fixing seat 10 is firstly arranged on the chassis 200, and then the bag body 20 is inflated, so that the bag body 20 is in interference fit with the vehicle body 300, and therefore, two ends of the vehicle body connecting structure 100 are respectively and fixedly connected with the chassis 200 and the vehicle body 300, so that the chassis 200 and the vehicle body 300 are fixed, the coupling of the chassis 200 and the vehicle body 300 is realized, and the assembly of the chassis 200 and the vehicle body 300 is completed. The bladder 20 can absorb manufacturing and assembly tolerances, and the bladder 20 remains inflated during vehicle travel, thereby enabling a cushioning function to absorb shock and enhancing ride comfort. When the vehicle body 300 is disassembled, the bag body 20 is contracted, so that the bag body 20 and the vehicle body 300 can be separated, and the chassis 200 and the vehicle body 300 are separated, namely, the decoupling of the chassis 200 and the vehicle body 300 is completed.

The vehicle body connection structure 100 provided in the embodiment of the application includes a fixing base 10 and a bag body 20 connected to the fixing base 10, wherein the fixing base 10 is used for being mounted on one of a chassis 200 and a vehicle body 300; the bladder 20 is connected to the fixing base 10, and the bladder 20 is capable of expanding to be in interference fit with the other of the chassis 200 and the vehicle body 300, so that the vehicle body connection structure 100 can simultaneously connect the vehicle body 300 and the chassis 200 to fix the vehicle body 300 and the chassis 200; bladder 20 is switchable between an expanded state and a contracted state to meet assembly or disassembly requirements. The vehicle body connecting structure 100 can conveniently connect or disconnect the chassis 200 with the vehicle body 300, so that the combination and disassembly of the chassis 200 and the vehicle body 300 are simple and convenient, the working hours are less, the convenience of assembling and disassembling the vehicle and the efficiency of assembling and disassembling are improved, and the convenience of replacing the vehicle body 300 is ensured.

Compared with the mode of adopting fasteners such as bolts and the like to connect, the local bolt fastening points (such as suspension positions) cannot be accessed by a bolt gun due to space limitation, so that the ergonomics are poor; or the whole vehicle space arrangement needs to meet the requirement of entering a bolt gun, so that the space utilization rate is lower; the vehicle body connection structure 100 provided by the embodiment of the application does not need to occupy a larger operation space, so that the convenience of operation is further improved, and the space arrangement efficiency of the whole vehicle is improved.

In some embodiments, the fixing base 10 is configured to be mounted on the chassis 200, and the bladder 20 is configured to be in interference fit with a cavity 311 provided in the vehicle body 300.

The body 300 is provided with one or more cavities 311. Alternatively, the cavities 311 are provided on a body rail 310 of the body 300. The body rail 310 may be various rail bodies of the body 300, such as a threshold rail, for example. The threshold beam is used as an important supporting part on the car body, and plays an important role in resisting the load bearing and the deformation caused by the frontal and side collision of the whole car. The rocker is typically of unitary construction from the lower section of the a-pillar to the lower section of the C-pillar of the vehicle, while employing a relatively large thickness of cold stamped high strength steel material, and a portion of the rocker construction is illustrated in fig. 3, 4 and 6.

A cavity 311 is provided in the body member 310, and the cavity 311 is provided with an opening 3111 provided toward the chassis 200. The cavity 311 may extend along the length direction of the body beam 310, or may be located only in a partial region of the body beam 310, and the specific shape of the cavity 311 may be changed according to the structure of the body beam 310, which is not limited in this application.

The fixing seat 10 is used for being installed on the chassis 200, the bag body 20 can extend into the cavity 311 from the opening 3111, and the bag body 20 can expand to fill the cavity 311, so that the expanded bag body 20 can be in interference fit with the vehicle body beam 310, and the bag body 20 is prevented from falling off from the vehicle body beam 310. The bag body 20 may fill the entire cavity 311, or may fill a part of the cavity 311, but at least one end of the bag body 20 needs to be in interference fit with the wall of the cavity 311.

By adopting the above technical scheme, the fixing seat 10 is mounted on the chassis 200, and the bag body 20 can be filled in the cavity 311 on the vehicle body 300, so as to fixedly connect the vehicle body 300 and the chassis 200 through the vehicle body connecting structure 100.

Referring to fig. 2 to 4, in some embodiments, the fixing base 10 includes a fixing portion 11 and a connecting portion 12 connected to each other, the fixing portion 11 is used for fixing on the chassis 200, the bag body 20 is connected to the connecting portion 12, and the connecting portion 12 can be inserted into the cavity 311 from the opening 3111 of the cavity 311, so that the bag body 20 can enter and expand to fill the cavity 311.

The fixing portion 11 is a fixing base of the fixing base 10, and the fixing portion 11 may be fixed to the chassis 200 by riveting, welding, or the like. After the fixing part 11 is fixed on the chassis 200, the fixing part 11 plays a role of a positioning structure, can position in the length and width directions of the chassis 200, can restrain the vehicle body 300 in the length and width directions, plays a role in installing and positioning the vehicle body 300, and facilitates accurate alignment connection of the chassis 200 and the vehicle body 300. Because the fixing base 10 can replace positioning structures such as positioning pins, development and production costs of the vehicle are reduced.

The connecting portion 12 is a fixed base of the capsule 20, and the connecting portion 12 may be integrally formed with the fixing portion 11 or fixedly connected by a fastener such as a screw. Since the connection portion 12 is insertable into the cavity 311 from the opening 3111, the fixing base 10 can conveniently place the bag body 20 in the cavity 311 of the vehicle body member 310. After the balloon 20 is inflated, the balloon 20 may act as a stop in the vertical direction. Since the fixing base 10 can limit the vehicle body 300 in the length and width directions of the vehicle body 300, the bag body 20 can limit the vehicle body 300 in the height direction of the vehicle body 300, and the height direction of the vehicle body 300 is the vertical direction.

Thus, the vehicle body connecting structure 100 can play a limiting role in the three-dimensional direction, and the alignment precision of the chassis 200 and the vehicle body 300 is ensured.

Through adopting above-mentioned technical scheme, fixing base 10 has played the dual function of counterpoint in advance and connection, can guarantee the counterpoint precision of chassis 200 and automobile body 300, and connecting portion 12 can conveniently place the bag body 20 in cavity 311.

In some embodiments, referring to fig. 2, 3 and 4, the connecting portion 12 is provided with a first accommodating cavity 122, and the bag body 20 is at least partially accommodated in the first accommodating cavity 122.

The first receiving chamber 122 can communicate with the cavity 311. Before assembly, the bag body 20 in a contracted state is partially or completely accommodated in the first accommodating cavity 122, after the connecting portion 12 is inserted into the cavity 311, the bag body 20 after expansion extends out of the first accommodating cavity 122 into the cavity 311 through the opening 3111, so that during assembly, the vehicle body connecting structure 100 can avoid interference between the bag body 20 and the vehicle body 300 when the connecting portion 12 is inserted into the cavity 311, increase assembly difficulty, cause damage to the bag body 20, and the like. The bladder 20 can also be partially or fully received within the first receiving cavity 122 in the contracted state when the chassis 200 and the vehicle body 300 are disassembled to facilitate the withdrawal of the vehicle body connection structure 100 from the vehicle body 300.

By adopting the above technical scheme, the bag body 20 can be accommodated in the connecting portion 12, so as to further improve the convenience of installing or detaching the vehicle body 300.

Of course, in other embodiments, the bag 20 may be partially received in the first receiving cavity 122, and the exposed volume of the bag 20 relative to the connecting portion 12 may be reduced.

In some embodiments, the fixing portion 11 is provided with a second accommodating cavity 111 communicating with the first accommodating cavity 122, and the bladder 20 is at least partially accommodated in the first accommodating cavity 122 and the second accommodating cavity 111.

Prior to assembly, bladder 20 may be partially or received within first receiving cavity 122 and second receiving cavity 111; when the bag body 20 is inflated, the bag body 20 can be filled in the cavity 311 of the vehicle body 300 and can be partially accommodated in the first accommodating chamber 122 and the second accommodating chamber 111. It will be appreciated that the cavity 311 may have a different volume, and the volume of the inflated bladder 20 may be larger than the volume of the cavity 311 to ensure the interference fit effect, and the bladder 20 may be partially received in the first receiving cavity 122 or partially received in the first receiving cavity 122 and the second receiving cavity 111.

By adopting the above technical solution, the bag body 20 can be at least partially accommodated in the first accommodating cavity 122 and the second accommodating cavity 111, so that the bag body 20 can be ensured to be in interference fit with the cavity 311, and the first accommodating cavity 122 and the second accommodating cavity 111 can also accommodate the bag body 20 in a contracted state.

In some embodiments, the connecting portion 12 protrudes with respect to the fixing portion 11, and an end surface of the connecting portion 12 facing away from the fixing portion 11 is provided with a first guiding inclined surface 121 capable of guiding and matching with the opening 3111.

The connecting portion 12 protrudes from one side of the fixing portion 11, for example, the fixing base 10 may have a substantially T-shaped cross section. The end surface of the connecting portion 12, which is opposite to the end surface of the fixing portion 11, that is, the end surface of the connecting portion 12 extending into the cavity 311, the first guiding inclined surface 121 is provided at the outer edge of the end surface of the connecting portion 12, and plays a guiding role in the travel of the connecting portion 12 extending into the cavity 311 through the opening 3111. It will be appreciated that the first guide inclined surface 121 is disposed obliquely with respect to the vertical direction; the cross section of the opening 3111 may be a slope so that the first guide slope 121 smoothly passes through the opening 3111.

Alternatively, the connecting portion 12 is cylindrical, and the first guiding inclined surface 121 surrounds the circumference of the connecting portion 12; the connecting portion 12 may also have a square shape, and the first guiding inclined surfaces 121 are respectively disposed on two opposite sides of the connecting portion 12.

By providing the first guide slope 121, the vehicle body connecting structure 100 provided in the embodiment of the present application can conveniently insert the connecting portion 12 into the cavity 311.

In some embodiments, the securing portion 11 is welded, riveted, threaded, or snap-fit with the chassis 200.

By adopting the above technical solution, the fixing portion 11 can be fixed on the chassis 200 by adopting various connection modes, so that the fixing base 10 can be stably connected to the chassis 200.

It is understood that a plurality of body attachment structures 100 may be included in the vehicle 1000, in which case each body attachment structure 100 may be attached to the chassis 200 in the same or different manner.

Referring to fig. 2 to 4, the vehicle body connection structure 100 further includes a transfer pipe 30, one end of the transfer pipe 30 is communicated with the bladder 20, the other end is communicated with an external storage device, and the transfer pipe 30 is used for transferring a medium capable of expanding the bladder 20 between the bladder 20 and the storage device.

Optionally, the storage device is an external air source, one end of the delivery pipe 30 is connected to the external air source, the other end is connected to the capsule body 20, and the delivery pipe 30 can input air provided by the external air source into the capsule body 20, so that the capsule body 20 is inflated until the capsule body 20 is in interference fit connection with the vehicle body 300.

The delivery tube 30 may also be used to deliver gas from within the bladder 20 to deflate the bladder 20. When the vehicle body 300 and the chassis 200 need to be disassembled, the delivery pipe 30 outputs the gas in the bladder 20, so that the bladder 20 is contracted. The gas input to the delivery tube 30 may be a high pressure gas.

The medium transported by the transport pipe 30 is not limited to a gas, and may be, for example, water, oil or the like.

By adopting the above technical solution, the bladder 20 is inflated by means of the medium input through the delivery tube 30, which is simple and easy to operate.

In other embodiments, the delivery tube 30 may be omitted, and the air tap may be disposed on the bladder 20 and connected to an external delivery pipe, so that gas delivery may be achieved, and the bladder 20 may be inflated or contracted.

In some embodiments, the delivery tube 30 is threaded into the holder 10.

Optionally, the fixing portion 11 is provided with a second accommodating cavity 111, and the fixing portion 11 is provided with a through hole communicated with the second accommodating cavity 111, and the conveying pipe 30 is arranged in the through hole and the second accommodating cavity 111 in a penetrating manner, so that the conveying pipe 30 is convenient to install.

Through adopting above-mentioned technical scheme, fixing base 10 can provide the installation passageway for conveyer pipe 30, and convenient conveyer pipe 30 is connected with bag body 20, and reduces the space that conveyer pipe 30 occupy in the vehicle.

It is to be understood that when the vehicle 1000 includes a plurality of the vehicle body connection structures 100, the delivery pipes 30 of the plurality of the vehicle body connection structures 100 may be provided independently, or may be provided in series or in parallel.

Referring to fig. 5, in some embodiments, the vehicle body connection structure 100 includes a fixing seat 10 and a bag body 20, where a medium port 21 is provided on the bag body, and the medium port 21 is used to enable a medium inflated by the bag body 20 to flow into or out of the bag body 20.

A medium port 21 may be provided at either side of the bladder 20, the medium port 21 being for communicating with an external delivery pipe to allow a medium to flow into the bladder 20 or to flow out of the bladder 20.

By adopting the above technical scheme, the vehicle body connecting structure 100 can directly flow in or flow out of the medium through the medium port 21 of the bag body 20, and has a simple structure.

Referring to fig. 1 to 7, an embodiment of a second aspect of the present application proposes a vehicle 1000 including a chassis 200 and a vehicle body 300, and a vehicle body connection structure 100 as provided in the first aspect, the vehicle body connection structure 100 being for connecting the chassis 200 and the vehicle body 300.

The vehicle 1000 described above includes the vehicle body connection structure 100 provided in the first aspect, as well as having the advantage of easy attachment and detachment. In addition, the vehicle body connection structure 100 in the vehicle 1000 described above can be used to connect the vehicle body 300 and the chassis 200 instead of fasteners such as bolts, and the number of fasteners for connecting the vehicle body 300 and the chassis 200 is greatly reduced.

In some embodiments, as shown in fig. 3, 4 and 6, the vehicle body 300 includes a vehicle body beam 310, a cavity 311 is provided in the vehicle body beam 310, an opening 3111 communicating with the cavity 311 is provided in the vehicle body beam 310, the fixing base 10 is fixed on the chassis 200, and the bladder 20 is expandable to fill the cavity 311.

The vehicle body 300 is provided with a vehicle body beam 310, and a cavity 311 with one end opening 3111 is arranged in the vehicle body beam 310; the holder 10 is configured to be mounted to the chassis 200, the bladder 20 is configured to extend into the cavity 311 from the opening 3111, and the bladder 20 is configured to expand to fill the cavity 311.

Specifically, the fixing base 10 is fixed on the chassis 200, and the bag body 20 is in interference fit with the vehicle body 300. The body member 310 includes a bottom wall 312 and a top wall 314 disposed opposite each other, and a side wall 313 connected between the bottom wall 312 and the top wall 314, the bottom wall 312, the top wall 314, and the side wall 313 collectively defining a cavity 311. The opening 3111 of the cavity 311 is used for insertion of the bladder 20, and preferably the opening 3111 is provided in the bottom wall 312, it being understood that the opening 3111 may be provided in the side wall 313, or in both the bottom wall 312 and the side wall 313.

Referring to fig. 1 and 6, the bottom wall 312 is closer to the chassis 200 than the top wall 314.

After the bag body 20 is inflated, the bag body 20 can be abutted against the bottom wall 312, so that the bottom wall 312 can limit the bag body 20, and the bag body 20 is prevented from being separated from the vehicle body 300.

Further, if the bladder 20 fills the entire cavity 311, the bladder 20 can also be simultaneously supported against the side wall 313 and the top wall 314.

By adopting the above technical scheme, the fixing seat 10 of the vehicle body connecting structure 100 is fixed on the chassis 200, and the bag body 20 is connected with the vehicle body beam 310 in an interference fit manner, so as to realize the connection between the chassis 200 and the vehicle body.

In some embodiments, as shown in fig. 6, the body beam 310 is provided with a guide structure 315 extending in a vertical direction at the opening 3111, a through hole 3151 is provided in the middle of the guide structure 315, two ends of the through hole 3151 are respectively communicated with the opening 3111 and the cavity 311, and one end of the fixing base 10 can be inserted into the through hole 3151.

For example, the guiding structure 315 is an integrated annular structure, and the fixing base 10 can be directly inserted into the through hole 3151; for another example, the guiding structure 315 may include a plurality of guiding columns, and the plurality of guiding columns are disposed around and enclose to form a through hole 3151, and one end of the fixing base 10 can be inserted between the plurality of guiding columns; for another example, the guiding structure 315 includes two long plates disposed at two sides of the opening 3111, and one end of the fixing base 10 can be inserted between the two long plates. Here, the specific structure of the guide structure 315 is not limited only.

In some embodiments, since the fixing base 10 may include the fixing portion 11 and the connecting portion 12, in particular, the connecting portion 12 can be inserted into the through hole 3151.

Through setting up guide structure 315, can lead the stroke that fixing base 10 inserted cavity 311, conveniently install a plurality of automobile body connection structure 100 simultaneously, promoted the positioning accuracy of equipment.

In some embodiments, the end of the guide structure 315 proximate the opening 3111 is provided with a second guide ramp 3152.

The second guide slope 3152 can guide the fixing base 10, thereby guiding the stroke of the fixing base 10 inserted into the cavity 311. When the first guide slope 121 is provided on the fixing base 10, the first guide slope 121 is opposite to the inclination direction of the second guide slope 3152, or further, the first guide slope 121 is parallel to the second guide slope 3152.

By providing the second guide slope 3152, the assembling operation of the fixing base 10 can be further guided.

In some embodiments, the holder 10 is slidably coupled to or retained by the guide structure 315.

Optionally, one of the connecting portion 12 and the guiding structure 315 is provided with a sliding rail, and the other is provided with a sliding block, so that the fixing base 10 is slidingly connected with the guiding structure 315, and the fixing base 10 is prevented from being deviated relative to the vehicle body 300 in the assembling process; after the fixing base 10 slides to a certain position of the guiding structure 315, the bag body 20 is in interference fit with the vehicle body 300, and then the fixing base 10 is positioned in the vertical direction and does not slide relative to the guiding structure 315.

The fixing base 10 may also be clamped with the guiding structure 315, and the clamping manner between the fixing base 10 and the guiding structure 315 is not unique, for example, the outer surface of the connecting portion 12 is provided with a first clamping portion, the guiding structure 315 is provided with a second clamping portion on the inner wall of the through hole 3151, and when the connecting portion 12 is inserted into the through hole 3151, the first clamping portion and the second clamping portion are clamped, so that the fixing base 10 is fixed on the vehicle body beam 310.

By adopting the above technical scheme, the guiding structure 315 not only can play a guiding role on the fixing seat 10, but also can provide a limit on the fixing seat 10.

In some embodiments, the number of the vehicle body connection structures 100 is plural, and the plurality of vehicle body connection structures 100 are provided on the chassis 200 at intervals. The vehicle body connection structure 100 may be provided on a chassis beam or a bracket of the chassis 200, but is not limited thereto.

Due to the large size of the chassis 200 and the body 300 of the vehicle 1000, the vehicle 1000 may include a plurality of body connection structures 100.

By providing a plurality of vehicle body connection structures 100, the connection stability and connection strength of the vehicle body 300 and the chassis 200 can be further improved.

In some embodiments, a plurality of body connection structures 100 may be distributed over at least one of the front, middle, and rear ends of chassis 200. The front end of the chassis 200 corresponds to the head of the vehicle body 300, the tail end of the chassis 200 corresponds to the tail of the vehicle body 300, and the middle part is the position between the head and the tail.

By adopting the above technical scheme, the vehicle body connection structure 100 can be arranged at a plurality of positions of the chassis 200, and a large operation space is not required to be arranged, so that the adaptability is high.

In some embodiments, the chassis 200 includes a chassis beam 210, and the vehicle body connection structure 100 is secured to the chassis beam 210.

Specifically, the chassis beam 210 includes longitudinal beams, cross beams, and the like, and the vehicle body connection structure 100 may be connected to each of the beams of the chassis beam 210.

For example, fig. 7 illustrates a chassis beam 210 in one embodiment, for example, the chassis beam 210 is a skateboard chassis rail, it being understood that the specific shape and configuration of the chassis beam 210 is not limited thereto and that the arrangement may be adjusted depending on the specific situation of the vehicle. The scooter chassis integrates the battery, the motor, the electric control three parts of the vehicle, linear braking, steering, thermal management and the like on the chassis, so that the integration level and flatness of the vehicle chassis are improved, and the scooter chassis looks like a smooth scooter in appearance, and is called as a scooter chassis.

By adopting the above technical scheme, the vehicle body connection structure 100 can adapt to the structure of the chassis 200, thereby adapting to the requirements of various vehicle types.

It will be appreciated that a bracket may also be provided on the chassis 200, and thus the vehicle body attachment structure 100 may also be secured to the bracket by the anchor mount 10.

In some embodiments, the vehicle 1000 further includes a fastener 400, the fastener 400 fastening the chassis 200 and the body 300.

The fastener 400 may be a bolt structure, but is not limited thereto. Due to the large size of the chassis 200 and the body 300 of the vehicle, the vehicle may include a plurality of body connection structures 100 and a plurality of fasteners 400, and the body connection structures 100 and the fasteners 400 may be distributed at different locations of the vehicle. For example, if some area space is small, it is preferable to use the vehicle body connection structure 100 for convenience of operation. Optionally, the partial area of chassis 200 is influenced by chassis 200 suspension, power battery package etc. and the assembly space is limited, is fit for installing automobile body connection structure 100, has avoided bolted connection to need additionally arrange the problem in bolt rifle entering space, has promoted whole car space arrangement efficiency.

By adopting the technical scheme, the vehicle body connecting structure 100 and the fastener 400 can be used for connecting the vehicle body 300 and the chassis 200 together, so that the stability is better.

Fig. 8 illustrates the chassis 200 in an embodiment, wherein the vehicle body connection structure 100 and the fastener 400 in fig. 8 are only schematically illustrated and are not limiting on the structure thereof. Referring to fig. 1 and 8, in an embodiment, a peripheral edge of a side of the chassis 200 facing the vehicle body 300 is fastened to a corresponding position of the vehicle body 300 by a plurality of fasteners 400, and a portion of the side of the chassis 200 facing the vehicle body 300 located within the peripheral edge is connected to a portion of the vehicle body 300 located within the peripheral edge by a plurality of vehicle body connection structures 100.

Specifically, the plurality of fasteners 400 are all disposed at a peripheral edge of a side of the chassis 200 facing the vehicle body 300, and the plurality of fasteners 400 are disposed at intervals along the peripheral edge of the chassis 200; the plurality of vehicle body connection structures 100 are all disposed at the portion within the peripheral edge of the chassis 200, that is, the portion of the vehicle body connection structure 100 disposed at the middle portion of the chassis 200 surrounded by the peripheral edge thereof, and the plurality of vehicle body connection structures 100 are disposed at intervals.

As such, the peripheral edge of the chassis 200 generally has a large operating space, facilitating the placement of the fasteners 400; the vehicle body connection structure 100 is applicable to various kinds of operation spaces, and can be mounted on a portion within the peripheral edge of the chassis 200.

Referring to fig. 1 and 9, in another embodiment, a portion of the peripheral edge of the side of the chassis 200 facing the vehicle body 300 is fastened to the corresponding position of the vehicle body 300 by a fastener 400, and another portion of the peripheral edge of the side of the chassis 200 facing the vehicle body 300 is connected to the corresponding position of the vehicle body 300 by a vehicle body connecting structure 100; a portion of the chassis 200 on the side facing the vehicle body 300, which is located within the peripheral edge, is fastened to the corresponding position of the vehicle body 300 by the fastener 400, and another portion of the chassis 200 on the side facing the vehicle body 300, which is located within the peripheral edge, is connected to the corresponding position of the vehicle body 300 by the vehicle body connection structure 100.

Specifically, the peripheral edge of the chassis 200 is provided with both the fastener 400 and the vehicle body connection structure 100, and the portion of the chassis 200 located in the peripheral edge is also provided with both the fastener 400 and the vehicle body connection structure 100, and specifically, the positions of the fastener 400 and the vehicle body connection structure 100 may be set depending on the structure of the chassis 200. For example, the position of a portion of the chassis 200 is affected by components such as chassis suspensions, power battery packs, etc., and the assembly space is limited, which is suitable for mounting the vehicle body connection structure 100.

Through adopting above-mentioned technical scheme, vehicle 1000 can set up the setting position of fastener 400 and automobile body connection structure 100 in a flexible way, can realize the fixed connection of automobile body 300 and chassis 200, can promote the convenience and the efficiency of installing and removing again.

In some embodiments, the vehicle 1000 includes a body 300, a chassis 200, and a body connection structure 100, a cavity 311 is provided on a body beam 310 of the body 300, the body connection structure 100 includes a fixing base 10 and a bladder 20 connected to the fixing base 10, the fixing base 10 is fixed on the chassis 200 and the bladder 20 is expandable to fill in the cavity 311 such that the bladder 20 is interference fit with the body 300, and thus the body connection structure 100 can connect the body 300 with the chassis 200; the bag body 20 can also be contracted, so that the bag body 20 is separated from the vehicle body 300, and the vehicle body connecting structure 100 can further realize the disassembly and separation of the vehicle body 300 and the chassis 200. The vehicle body connecting structure 100 does not need a large operation space, improves the convenience of assembly and disassembly, reduces the assembly and disassembly time, and improves the space arrangement efficiency of the whole vehicle; the vehicle body attachment structure 100 serves the dual functions of positioning and attachment, reducing vehicle development and production costs.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (18)

1. A vehicle body connection structure for connecting a chassis with a vehicle body, the vehicle body connection structure comprising:

the fixed seat is used for being mounted on one of the chassis and the vehicle body;

and the bag body is connected with the fixed seat and can be expanded to be in interference fit with the other one of the chassis and the vehicle body.

2. The vehicle body connecting structure according to claim 1, characterized in that: the fixing seat is used for being installed on the chassis, and the bag body is used for being in interference fit with a cavity formed in the vehicle body.

3. The vehicle body connecting structure according to claim 2, characterized in that: the fixing seat comprises a fixing part and a connecting part which are connected, wherein the fixing part is used for being fixed on the chassis, the bag body is connected to the connecting part, and the connecting part can be inserted into the cavity from an opening of the cavity so that the bag body can enter and expand to fill the cavity.

4. A vehicle body connection structure as claimed in claim 3, wherein: the connecting part is internally provided with a first accommodating cavity, and the bag body is at least partially accommodated in the first accommodating cavity.

5. The vehicle body connecting structure according to claim 4, characterized in that: the fixed part is internally provided with a second accommodating cavity communicated with the first accommodating cavity, and the bag body is at least partially accommodated in the first accommodating cavity and the second accommodating cavity.

6. A vehicle body connection structure as claimed in claim 3, wherein: the connecting part protrudes relative to the fixing part, and a first guide inclined plane capable of being matched with the opening in a guide way is arranged on the end face of one end of the connecting part, which is away from the fixing part.

7. A vehicle body connection structure as claimed in claim 3, wherein: the fixing part is welded, riveted, screwed or buckled with the chassis.

8. The vehicle body connection structure according to any one of claims 1 to 7, characterized in that: the vehicle body connection structure further includes a delivery pipe having one end communicating with the bladder and the other end for communicating with an external storage device, the delivery pipe being for delivering a medium capable of expanding the bladder between the bladder and the storage device.

9. The vehicle body connection structure according to claim 8, characterized in that: the conveying pipe penetrates through the fixing seat.

10. The vehicle body connection structure according to any one of claims 1 to 7, characterized in that: the medium port is arranged on the bag body and is used for enabling the medium expanded by the bag body to flow into or flow out of the bag body.

11. A vehicle, characterized by comprising:

chassis and body; and

the vehicle body connecting structure according to any one of claims 1 to 10, which is used to connect the chassis and the vehicle body.

12. The vehicle of claim 11, wherein: the automobile body includes the automobile body roof beam, be equipped with the cavity in the automobile body roof beam, be equipped with the intercommunication on the automobile body roof beam the opening of cavity, the fixing base is fixed in on the chassis, the bag body is expandable in order to pack the cavity.

13. The vehicle of claim 12, wherein: the automobile body roof beam is in the opening part is equipped with the guide structure that extends along vertical direction, guide structure's middle part is equipped with the through-hole, the both ends of through-hole communicate respectively the opening with the cavity, the one end of fixing base can be inserted and locate in the through-hole.

14. The vehicle of claim 13, wherein: the end part of the guide structure, which is close to the opening, is provided with a second guide inclined plane.

15. The vehicle of claim 14, wherein: the fixing seat is connected with the guide structure in a sliding manner or clamped with the guide structure.

16. The vehicle of any one of claims 11-15, characterized in that: the number of the vehicle body connecting structures is multiple, and the multiple vehicle body connecting structures are arranged on the chassis at intervals.

17. The vehicle of any one of claims 11-15, characterized in that: the vehicle further includes a fastener that fastens the chassis and the body.

18. The vehicle of claim 17, wherein: the peripheral edge of one side of the chassis facing the vehicle body is fixedly connected with the corresponding position of the vehicle body through a plurality of fasteners, and the part of one side of the chassis facing the vehicle body, which is positioned in the peripheral edge, is connected with the part of the chassis facing the vehicle body, which is positioned in the peripheral edge, through a plurality of vehicle body connecting structures; or,

a part of the position of the peripheral edge of one side of the chassis facing the vehicle body is fixedly connected with the corresponding position of the vehicle body through the fastener, and the other part of the position of the peripheral edge of one side of the chassis facing the vehicle body is connected with the corresponding position of the vehicle body through the vehicle body connecting structure; a part of the chassis, which faces one side of the vehicle body, is located in the peripheral edge and is fixedly connected with the corresponding position of the vehicle body through the fastener, and the other part of the chassis, which faces one side of the vehicle body, is located in the peripheral edge and is connected with the corresponding position of the vehicle body through the vehicle body connecting structure.

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