Telescopic quick connection device and automobile model

Abstract

The utility model discloses a telescopic quick connection device and an automobile model, the telescopic quick connection device comprises an upper main body and a lower clamping module, and the upper main body is provided with a second movable through groove; the lower clamping module comprises a lower main body and a clamping assembly; the lower main body is provided with a first movable through groove, and the first movable through groove is opposite to the second movable through groove; the clamping assembly comprises a clamping piece and a pushing piece, the clamping piece comprises a sliding part, a connecting part and a buckling part, the sliding part is slidably connected to the side, away from the upper body, of the lower body, the connecting part is connected to one side of the sliding part and penetrates through the first movable through groove and the second movable through groove, and the buckling part is connected to the end, away from the sliding part, of the connecting part. The clamping part can abut against or be staggered from the groove wall on one side of the second movable through groove by sliding the sliding part; the pushing piece is connected with the sliding part and used for driving the clamping piece to slide relative to the lower body. According to the utility model, the automobile shell and the automobile chassis can be quickly disassembled and assembled, so that the maintenance and replacement efficiency of functional parts in the automobile model is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile models, in particular to a telescopic quick-connect device and an automobile model having the same. Background Art

[0002] The car model includes a chassis and a body, wherein the chassis is used to install functional components such as a transmission, a drive motor and a power battery, while the body is installed above the chassis and covers the above functional components. On the one hand, it protects the functional components, and on the other hand, it also serves as a major appearance component that participates in forming the unique appearance of the car model. In the related art, the body is fixedly connected to the chassis by fasteners such as screws, so the disassembly and assembly of the body is relatively cumbersome, and therefore it is not convenient to quickly repair and replace functional components such as the transmission, the drive motor and the power battery when they fail. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a telescopic quick-connect device, which can realize the rapid disassembly and assembly of the car shell and the car chassis, thereby improving the maintenance and replacement efficiency of the internal functional parts of the car model.

[0004] The utility model also provides a car model with the telescopic quick-connect device.

[0005] According to the telescopic quick-connect device of the first embodiment of the utility model, it includes an upper main body and a lower clamping module, the upper main body is provided with a second movable through groove and a second fixing structure for fixing the upper main body to the vehicle shell; the lower clamping module includes a lower main body and a clamping assembly; the lower main body is provided with a first movable through groove and a first fixing structure for fixing the lower main body to the vehicle chassis, the first movable through groove is opposite to the second movable through groove; the clamping assembly includes a clamping member and a pushing member; wherein the clamping member includes a sliding portion, a connecting portion and a buckle portion, the sliding portion is slidably connected to the side of the lower main body away from the upper main body, one end of the connecting portion is connected to one side of the sliding portion, and can be slidably penetrated into the first movable through groove and the second movable through groove, the buckle portion is connected to one end of the connecting portion away from the sliding portion, and protrudes from one side of the connecting portion, and the buckle portion can be made to abut or stagger with a groove wall of one side of the second movable through groove by sliding the sliding portion; one end of the pushing member is connected to the sliding portion, and the other end protrudes from the peripheral side of the lower main body, and is used to drive the clamping member to slide relative to the lower main body.

[0006] The telescopic quick-connect device according to the first embodiment of the utility model has at least the following beneficial effects:

[0007] When the telescopic quick-connect device of the present embodiment is used to realize the connection between the vehicle shell and the vehicle chassis, the upper body can be connected to the vehicle shell through the second fixing structure, and the lower clamping module can be connected to the vehicle chassis through the first fixing structure. Therefore, when the vehicle shell needs to be removed from the vehicle chassis, the clamping member can be pushed to slide by the manual pusher, so that the buckle part in the clamping member slides from the position abutting against the side groove wall of the second movable through groove to the position staggered from the groove wall, and the clamping between the lower clamping module and the upper body can be released, and then the vehicle shell and the upper body can be separated from the vehicle chassis and the lower clamping module along the extension direction of the connecting part, so as to realize the rapid disassembly of the vehicle shell; and when the vehicle shell needs to be installed back to the vehicle chassis again, it is only necessary to make the buckle part pass through the second movable through groove, and then make the clamping member slide again to drive the buckle part to slide again to abut against the side groove wall of the second movable through groove, so as to complete the connection between the vehicle shell and the vehicle chassis; therefore, the telescopic quick-connect device of the present embodiment can realize the rapid disassembly and assembly of the vehicle shell and the vehicle chassis, thereby improving the maintenance and replacement efficiency of the internal functional components of the automobile model.

[0008] According to the telescopic quick-connect device of some embodiments of the first aspect of the utility model, the upper body is provided with a second accommodating groove, the opening of the second accommodating groove is located on the side of the upper body away from the lower body, so that the vehicle shell can close the opening of the second accommodating groove, the second movable through groove is arranged at the bottom of the second accommodating groove, and the buckle portion is inserted into the second accommodating groove.

[0009] According to some embodiments of the first aspect of the utility model, the telescopic quick-connect device also includes a dust cover, which is connected to the side of the lower main body facing away from the upper main body and covers the first movable through groove. The dust cover is provided with a sliding groove adapted to the sliding part on the side facing the lower main body, and the pushing member can be slidably penetrated through the dust cover, and one end is located on the outside of the dust cover.

[0010] According to some embodiments of the telescopic quick-connect device of the first aspect of the utility model, it also includes a first elastic member, which connects the dust cover and the sliding part and is used to provide an elastic force to keep the buckle part in contact with a side groove wall of the second movable through groove.

[0011] According to the telescopic quick-connect device of some embodiments of the first aspect of the utility model, a first accommodating groove is provided on the lower main body, the first accommodating groove opens toward the upper main body, the upper main body is provided with a plug-in portion that is plugged into and cooperates with the first accommodating groove, the first movable through groove is provided at the bottom of the first accommodating groove, and the second movable through groove is provided on the end face of the plug-in portion.

[0012] According to the telescopic quick-connect device of some embodiments of the first aspect of the utility model, a vertically extending lead-in rib is provided on the groove wall of the first accommodating groove, and the lead-in rib abuts the plug-in portion, and the lead-in rib is provided with a draft angle.

[0013] According to the telescopic quick-connect device of some embodiments of the first aspect of the utility model, an inclined guide surface is provided at the upper end of the introduction rib.

[0014] According to the telescopic quick-connect device of some embodiments of the first aspect of the utility model, two first movable through grooves and two second movable through grooves are provided, and are respectively located on the opposite sides of the lower main body and the upper main body, two groups of snap-fit ​​components are correspondingly provided, and the two snap-fit ​​parts are respectively used to abut against two groove walls far away from each other between the two second movable through grooves.

[0015] According to some embodiments of the first aspect of the utility model, the telescopic quick-connect device also includes a push-up piece and a second elastic piece. The push-up piece is slidably arranged on a side of the lower body facing the upper body, and one end abuts against the upper body. The second elastic piece connects the push-up piece and the lower body, and is used to provide an elastic force that causes one end of the push-up piece close to the upper body to extend to the outside of the lower body.

[0016] According to some embodiments of the second aspect of the utility model, the car model includes a car body, a car chassis and the telescopic quick-connect device of the first aspect embodiment, the lower body is connected to the car chassis through a first fixing structure, and the upper body is connected to the car body through a second fixing structure.

[0017] The automobile model according to some embodiments of the second aspect of the utility model has at least the following beneficial effects:

[0018] By adopting the telescopic quick-connect device of the first embodiment, the pushing member can push the clamping member to slide to achieve rapid disassembly and assembly of the vehicle shell and the vehicle chassis, thereby improving the maintenance and replacement efficiency of the internal functional components of the automobile model.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 This is a schematic structural diagram of a telescopic quick-connect device according to an embodiment of the utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of the structure of the upper body shown in ;

[0023] Figure 3 for Figure 1 The structural diagram of the lower card connection module shown in ;

[0024] Figure 4 for Figure 1 The structural schematic diagram of the card connector shown in ;

[0025] Figure 5 for Figure 1 A cross-sectional view of the telescopic quick-connect device shown;

[0026] Figure 6 for Figure 1 The structural schematic diagram of the dust cover shown in;

[0027] Figure 7 A schematic diagram of the exploded structure of a car model according to one embodiment;

[0028] Figure 8 for Figure 7 Schematic diagram of the connection structure between the vehicle shell and the lower card module shown in.

[0029] Reference numerals:

[0030] Vehicle shell 100; vehicle chassis 200; telescopic quick-connect device 300; upper body 310; second fixed structure 311; second movable through groove 312; second accommodating groove 313; plug-in portion 314; lower clamping module 320; lower body 330; first fixed structure 331; first movable through groove 332; first accommodating groove 333; introduction rib 334; guide surface 335; clamping member 340; sliding portion 341; connecting portion 342; buckle portion 343; mounting groove 344; pushing member 350; handle portion 351; dust cover 360; sliding groove 361; ejecting member 380; ejector portion 381; limiting portion 382. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, left, right, front, back, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] In the description of the utility model, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0035] The following is the attached Figure 1 To Attachment Figure 6 , describing the telescopic quick-connect device of the first embodiment of the utility model.

[0036] Reference Figure 1 According to some embodiments of the present invention, the telescopic quick-connect device 300 includes an upper body 310 and a lower clamping module 320; wherein the upper body 310 is provided with a second fixing structure 311, and can be fixedly connected to the side of the vehicle shell 100 facing the vehicle chassis 200 through the second fixing structure 311, and referring to Figure 2 The upper body 310 is also provided with a second movable through slot 312 for realizing the engagement with the lower engaging module 320; Figure 3 The lower snap-on module 320 includes a lower body 330 and a snap-on assembly; wherein the lower body 330 is provided with a first fixing structure 331, and can be fixed on the side of the vehicle chassis 200 facing the vehicle shell 100 through the first fixing structure 331, and the position connected to the vehicle chassis 200 is opposite to the position of the upper body 310 connected to the vehicle shell 100.

[0037] Reference Figures 3 to 5The clamping assembly is a functional component for realizing the clamping connection between the upper body 310 and the lower clamping module 320, and includes a clamping member 340 and a pushing member 350; wherein the clamping member 340 includes a sliding portion 341, a connecting portion 342 and a buckle portion 343 connected in sequence, wherein the sliding portion 341 is slidably connected to the side of the lower body 330 away from the upper body 310, and one end of the connecting portion 342 is connected to the side of the sliding portion 341 close to the upper body 310, and a first movable through groove 332 is further provided on the lower body 330, and the connecting portion 342 passes through the first movable through groove 332 and the second movable through groove 312 in sequence, and the buckle portion 343 is connected to the end of the connecting portion 342 away from the sliding portion 341, and is used to realize the clamping match with the upper body 310; specifically, The buckle portion 343 protrudes from one side of the connecting portion 342, and the buckle portion 343 can be abutted or staggered with a side groove wall of the second movable groove 312 by sliding the sliding portion 341, so that when the buckle portion 343 abuts against a side groove wall of the second movable groove 312, the lower clamping module 320 is clamped with the upper body 310, that is, the connection between the vehicle shell 100 and the vehicle chassis 200 is realized, and when the buckle portion 343 is staggered from the groove wall of the second movable groove 312, since the buckle portion 343 and the connecting portion 342 can be withdrawn from the second movable groove 312 along the extending direction of the connecting portion 342, the vehicle shell assembly formed by the connection of the vehicle shell 100 and the upper body 310 can be pulled along the extending direction of the connecting portion 342, and the vehicle shell 100 can be removed from the vehicle chassis 200. One end of the pushing member 350 is connected to the sliding portion 341, and the other end protrudes from the peripheral side surface of the lower body 330, so that by manually pressing or pulling the pushing member 350, the locking member 340 can be driven to slide on the lower body 330, thereby making the buckle portion 343 abut against or staggered with the groove wall of the second movable through groove 312.

[0038] It should be understood that, through the telescopic quick-connect device 300 of the present embodiment, when the vehicle shell 100 needs to be removed from the vehicle chassis 200, the pusher 350 is manually operated to push the clamping member 340 to slide, so that the buckle portion 343 in the clamping member 340 slides from a position abutting against a side groove wall of the second movable through groove 312 to a position offset from the groove wall, so that the clamping connection between the lower clamping module 320 and the upper body 310 can be released, and then the vehicle shell 100 assembly consisting of the vehicle shell 100 and the upper body 310 can be connected to the chassis assembly consisting of the vehicle chassis 200 and the lower clamping module 320. The extension direction of the part 342 is separated, thereby realizing the rapid disassembly of the vehicle shell 100; and when the vehicle shell 100 needs to be installed back on the vehicle chassis 200, it is only necessary to make the buckle part 343 pass through the second movable through groove 312, and then make the clamping member 340 slide again to drive the buckle part 343 to slide again to abut against the side groove wall of the second movable through groove 312, so as to complete the connection between the vehicle shell 100 and the vehicle chassis 200; therefore, the telescopic quick-connect device 300 of this embodiment can realize the rapid disassembly and assembly of the vehicle shell 100 and the vehicle chassis 200, thereby improving the maintenance and replacement efficiency of the internal functional components of the automobile model.

[0039] It is understood that in one embodiment, referring to Figure 2 and Figure 5 The upper body 310 is provided with a second accommodating groove 313, and the opening of the second accommodating groove 313 is located on the side of the upper body 310 away from the lower body 330, so that the vehicle shell 100 can close the opening of the second accommodating groove 313, and the second movable through groove 312 is provided at the bottom of the second accommodating groove 313, and the buckle part 343 is inserted into the second accommodating groove 313, so that the buckle part 343 can be snapped with the upper body 310 in a relatively closed environment, thereby reducing the influence of debris such as stones and dust entering the snapping position between the buckle part 343 and the upper body 310 on the subsequent disassembly and assembly of the vehicle shell 100.

[0040] At the same time, in order to prevent stones and dust from entering the second receiving groove 313 from the bottom of the telescopic quick-connect device 300, refer to Figure 5 and Figure 6In one embodiment, the telescopic quick-connect device 300 also includes a dust cover 360, which is connected to the side of the lower body 330 facing away from the upper body 310 and covers the first movable through groove 332, thereby preventing debris from entering the interior of the telescopic quick-connect device 300 through the first movable through groove 332 and the second movable through groove 312; and, in order to achieve the sliding connection between the card sliding portion 341 and the lower body 330, the dust cover 360 is provided with a sliding groove 361 adapted to the sliding portion 341 on the side facing the lower body 330, and the sliding portion 341 can be slidably arranged in the sliding groove 361; and the pushing member 350 is slidably penetrated through the dust cover 360, and one end is located on the outside of the dust cover 360, so as to facilitate the sliding of the card connecting member 340 through the part of the pushing member 350 located on the outside of the dust cover 360.

[0041] It should be understood that in one embodiment, reference Figure 3 and Figure 5 A disc-shaped handle portion 351 is provided at one end of the push member 350 exposed from the dust cover 360 to further improve the convenience of pressing or pulling the push member 350 .

[0042] It can be understood that in order to enable the buckle portion 343 to remain in a state of being engaged with the groove wall of the second movable groove 312 and to avoid being disengaged due to factors such as vibration during the driving of the car model, in some embodiments, the telescopic quick-connect device 300 also includes a first elastic member, and the first elastic member connects the dust cover 360 and the sliding portion 341, and is used to provide an elastic force that keeps the buckle portion 343 in contact with the groove wall of one side of the second movable groove 312, so as to avoid the buckle portion 343 being disengaged from the engaged position due to factors such as vibration during the driving of the car model.

[0043] For example, in one embodiment, referring to Figure 5 and Figure 5 A mounting groove 344 is provided on the side of the sliding portion 341 away from the lower main body 330, and the first elastic member can optionally adopt a compression spring (not shown in the drawings). The first elastic member is installed in the mounting groove 344, and one end abuts the sliding portion 341, and the other end abuts the inner wall of the dust cover 360.

[0044] It can be understood that in order to facilitate the alignment of the first movable groove 332 and the second movable groove 312 during the installation of the vehicle shell 100, so that the buckle portion 343 can quickly pass through the second movable groove 312, in some embodiments, a first accommodating groove 333 is provided on the lower body 330, and the opening of the first accommodating groove 333 faces the upper body 310. At the same time, the upper body 310 is provided with a plug-in portion 314 that is plugged into and cooperates with the first accommodating groove 333, and the first movable groove 332 is provided at the bottom of the first accommodating groove 333, and the second movable groove 312 is correspondingly provided at the plug-in portion 314. Therefore, during the installation of the vehicle shell 100, it is only necessary to align the plug-in portion 314 and insert it into the first accommodating groove 333, so that the second movable groove 312 can be automatically aligned with the first movable groove 332, and the buckle portion 343 can automatically pass through the second movable groove 312.

[0045] For example, refer to Figure 2 , Figure 3 and Figure 5 In one embodiment, a protruding plug-in portion 314 is formed on one side of the upper body 310 facing the lower body 330 at a position corresponding to the second receiving groove 313, and the second movable through groove 312 is arranged on the end surface of the plug-in portion 314 and is connected to the second receiving groove 313. After the plug-in portion 314 is inserted into the first receiving groove 333, the second movable through groove 312 will automatically align with the first movable through groove 332, and the buckle portion 343 will automatically pass through the second movable through groove 312 and enter the second receiving groove 313.

[0046] It is understood that in some of these embodiments, reference Figure 3 A vertically extending lead-in rib 334 is also provided on the groove wall of the first receiving groove 333, and the lead-in rib 334 abuts against the plug-in portion 314, the lead-in rib 334 and the plug-in portion 314 are provided with the same draft angle, and an inclined guide surface 335 is provided at the upper end of the lead-in rib 334, so that in the process of inserting the plug-in portion 314 into the first receiving groove 333, the plug-in portion 314 can be preliminarily guided and positioned by the guide surface 335, and then the plug-in portion 314 can be further guided and introduced into the depth of the first receiving groove 333 by the guiding effect of the draft angle of the lead-in rib 334.

[0047] It is understood that in some of these embodiments, reference Figure 2 , Figure 3 and Figure 5There are two first movable through grooves 332 and two second movable through grooves 312, which are respectively located on the opposite sides of the lower body 330 and the upper body 310. Two groups of snap-fit ​​components are correspondingly provided, and the two buckle parts 343 are respectively used to abut against the two groove walls far away from each other between the two second movable through grooves 312, so that the lower snap-fit ​​module 320 can be snap-fitted with the upper body 310 from both sides of the upper body 310 with the help of the two groups of snap-fit ​​components, so as to improve the connection strength when the vehicle shell 100 is connected to the vehicle chassis 200.

[0048] It can be understood that in some embodiments, the lower clamping module 320 also includes a push-out member 380 and a second elastic member, wherein the push-out member 380 is slidably arranged on a side of the lower body 330 facing the upper body 310, and one end is abutted against the upper body 310, and the second elastic member connects the push-out member 380 and the lower body 330, and is used to provide an elastic force that makes the end of the push-out member 380 close to the upper body 310 extend to the outside of the lower body 330, so that after the clamping member 340 is pushed to release the clamping connection with the upper body 310 by the pushing member 350, under the action of the second elastic member, the push-out member 380 will be able to push the vehicle shell 100 assembly composed of the upper body 310 and the vehicle shell 100 away from the lower body 330 for a distance, so as to achieve the effect of prompting the user that the clamping connection between the vehicle shell 100 and the vehicle chassis 200 has been released.

[0049] For example, in one embodiment, referring to Figure 5 The ejection member 380 includes an ejection rod portion 381 and a limiting portion 382. The ejection rod portion 381 is slidably disposed in the lower body 330, and one end of the ejection rod portion 381 abuts against the upper body 310. The limiting portion 382 is connected to the other end of the ejection rod portion 381, and the peripheral side protrudes relative to the ejection rod portion 381 to limit the ejection member 380 from sliding out of the lower body 330. The second elastic member is a compression spring (not shown in the drawings), and one end of the compression spring abuts against the limiting portion 382, ​​and the other end of the limiting portion 382 is connected to the other end of the ejection rod portion 381. One end abuts against the lower main body 330, and when the upper main body 310 and the lower clamping module 320 are in a clamped state, the second elastic member is compressed, thereby having an elastic force to push the push rod portion 381 out of the lower main body 330, so that after the clamping connection between the upper main body 310 and the lower clamping module 320 is released, the elastic force of the second elastic member pushes the push rod portion 381 to drive the upper main body 310 and the vehicle shell 100 away from the lower main body 330 and the vehicle chassis 200.

[0050] It should be understood that in order to make full use of space and improve the compactness of the structure, reference Figure 5 In one embodiment, the ejecting member 380 and the second elastic member are disposed between the two first movable through grooves 332 and abut against the position between the two plug-in portions 314 of the upper body 310 .

[0051] It should be understood that referring to Figure 1In some embodiments, the first fixing structure 331 and the second fixing structure 311 are connection holes, so that the upper body 310 and the lower body 330 can be fixedly connected to the vehicle chassis 200 and the vehicle shell 100 respectively by fasteners such as screws.

[0052] Reference Figure 7 and Figure 8 The following describes the car model of some embodiments of the second aspect of the utility model. The car model of this embodiment includes a car shell 100, a car chassis 200 and the telescopic quick-connect device 300 of the above-mentioned first aspect embodiment. The lower body 330 is connected to the car chassis 200 through a first fixing structure 331, and the upper body 310 is connected to the car shell 100 through a second fixing structure 311. It should be understood that the car model of this embodiment can push the clamping member 340 to slide through the pushing member 350 to achieve rapid disassembly and assembly of the car shell 100 and the car chassis 200 by adopting the telescopic quick-connect device 300 of the above-mentioned first aspect embodiment, thereby improving the maintenance and replacement efficiency of the internal functional components of the car model.

[0053] It should be understood that in some of these embodiments, reference Figure 7 and Figure 8 There are two telescopic quick-connect devices 300, which are respectively arranged on the front and rear sides of the car model. With the help of two sets of telescopic quick-connect devices 300, the front and rear sides of the car shell 100 are simultaneously clamped to the car chassis 200, so as to further improve the connection strength between the car shell 100 and the car chassis 200.

[0054] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A telescopic quick-connect device, characterized in that: include: The upper body is provided with a second movable through slot and a second fixing structure for fixing the upper body to the vehicle shell; The lower clamping module includes a lower body and a clamping assembly; the lower body is provided with a first movable through slot and a first fixing structure for fixing the lower body to the vehicle chassis, the first movable through slot is opposite to the second movable through slot; the clamping assembly includes a clamping member and a pushing member; wherein, The clamping part includes a sliding part, a connecting part and a buckle part, the sliding part is slidably connected to the side of the lower body away from the upper body, one end of the connecting part is connected to one side of the sliding part, and can be slidably penetrated into the first movable through groove and the second movable through groove, the buckle part is connected to the end of the connecting part away from the sliding part, and protrudes from one side of the connecting part, and the buckle part can be abutted or staggered with one side groove wall of the second movable through groove by sliding the sliding part; one end of the pushing member is connected to the sliding part, and the other end protrudes from the peripheral side of the lower body, and is used to drive the clamping part to slide relative to the lower body.

2. A telescopic quick-connect device according to claim 1, characterized in that: The upper body is provided with a second accommodating groove, the opening of which is located on the side of the upper body away from the lower body so that the vehicle shell can close the opening of the second accommodating groove, the second movable through groove is provided at the bottom of the second accommodating groove, and the buckle portion is inserted into the second accommodating groove.

3. A telescopic quick-connect device according to claim 2, characterized in that: It also includes a dust cover, which is connected to the side of the lower body facing away from the upper body and covers the first movable through groove. The dust cover is provided with a sliding groove adapted to the sliding part on the side facing the lower body. The pushing member can be slidably passed through the dust cover, and one end is located on the outside of the dust cover.

4. A telescopic quick-connect device according to claim 3, characterized in that: A first elastic member is also included, which connects the dust cover and the sliding portion and is used to provide an elastic force to keep the buckle portion in contact with a side groove wall of the second movable through groove.

5. The telescopic quick-connect device according to claim 1, characterized in that: The lower body is provided with a first accommodating groove, the first accommodating groove opens toward the upper body, the upper body is provided with an inserting portion that is plugged into and cooperates with the first accommodating groove, the first movable through groove is provided at the bottom of the first accommodating groove, and the second movable through groove is provided at the inserting portion.

6. A telescopic quick-connect device according to claim 5, characterized in that: A vertically extending lead-in rib is arranged on the groove wall of the first accommodating groove, and the lead-in rib abuts against the plug-in portion, and the lead-in rib is provided with a draft angle.

7. A telescopic quick-connect device according to claim 6, characterized in that: The upper end of the introduction rib is provided with an inclined guide surface.

8. A telescopic quick-connect device according to any one of claims 1 to 7, characterized in that: There are two of each of the first movable through groove and the second movable through groove, which are respectively located on the opposite sides of the lower main body and the upper main body. Two groups of the snap-fit ​​components are correspondingly provided, and the two snap parts are respectively used to abut against two groove walls that are far away from each other between the two second movable through grooves.

9. A telescopic quick-connect device according to any one of claims 1 to 7, characterized in that: The invention also includes a push-up member and a second elastic member. The push-up member is slidably arranged on a side of the lower body facing the upper body, and one end of the push-up member abuts against the upper body. The second elastic member connects the push-up member and the lower body and is used to provide an elastic force that causes one end of the push-up member close to the upper body to extend to the outside of the lower body.

10. A car model, characterized in that: It comprises a vehicle shell, a vehicle chassis and a telescopic quick-connect device as claimed in any one of claims 1 to 9, wherein the lower body is connected to the vehicle chassis via the first fixing structure, and the upper body is connected to the vehicle shell via the second fixing structure.

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