Rearview mirror and vehicle

Abstract

The rearview mirror comprises a front shell, a rear shell, an electronic component and a support assembly, the front shell is connected with the rear shell, the rear shell comprises a sealing structure, the support assembly is connected with the sealing structure, and the electronic component is located in a cavity defined by the front shell and the rear shell. The problem that rainwater easily enters the central rearview mirror from the connecting position of the central rearview mirror and the rearview mirror support of an existing open land-based vehicle is solved.

Description

Technical Field

[0001] The present application relates to the technical field of automotive electronics, and in particular to a rearview mirror and a vehicle. Background Art

[0002] For open land-based vehicles such as all-terrain vehicles (ATVs), rainwater can easily enter the center rearview mirror through the connection between the center rearview mirror and the rearview mirror bracket, causing short circuits and damage to electronic components within the center rearview mirror. Therefore, existing center rearview mirrors for open land-based vehicles have the problem of rainwater easily entering the center rearview mirror through the connection between the center rearview mirror and the rearview mirror bracket. Utility Model Content

[0003] The purpose of this application is to provide a rearview mirror that prevents rainwater from entering from the connection between the bracket assembly and the rear shell, comprising a front shell, a rear shell, electronic components and a bracket assembly, the front shell and the rear shell are connected, the rear shell includes a sealing structure, the bracket assembly and the sealing structure are connected, and the electronic components are located in a cavity formed by the front shell and the rear shell.

[0004] Optionally, the sealing structure includes a concave sealing installation cavity, and the bracket assembly is embedded in and connected to the sealing installation cavity.

[0005] Optionally, the sealed mounting cavity includes a flange and a sealed cavity body, the flange is connected to the sealed cavity body, the flange is arranged around the sealed cavity body, the flange is protruded from the surface of the rear shell, and the bracket assembly is embedded in the sealed cavity body and connected to the sealed cavity body.

[0006] Optionally, the bracket assembly includes a bracket seat and a bracket rod, the bracket seat and the sealed cavity body are detachably connected, the bracket rod and the bracket seat are hinged, and a portion of the bracket seat and a portion of the bracket rod are embedded in the sealed cavity body.

[0007] Optionally, the bracket rod includes a ball head, the bracket seat includes an elastomer, a cover plate and a ball clamping seat, the cover plate is connected to the ball clamping seat, the cover plate is covered on the sealing cavity body and is detachably connected to the sealing cavity body, the elastomer is sleeved on the ball clamping seat, the ball head is clamped on the ball clamping seat, and the elastomer, the ball head and the ball clamping seat are located in the sealing cavity body.

[0008] Optionally, the flange includes a first positioning portion, the cover plate includes a second positioning portion, and the first positioning portion is embedded in the second positioning portion.

[0009] Optionally, the cover plate includes a cover plate body, the cover plate body is connected to the ball clamp seat, the sealing cavity body includes a first step, the cover plate body is embedded in the first step and is detachably connected to the first step, the first step is connected to the flange, and the cover plate body and the side wall of the first step are spaced apart.

[0010] Optionally, the cover plate further includes a reinforcing rib, which is connected to the cover plate body. The sealing cavity body further includes a second step, the first step and the second step are connected, the reinforcing rib is embedded in the second step, and the reinforcing rib is spaced apart from the side wall of the second step.

[0011] Optionally, the rear housing includes a first through hole, the first through hole is used for allowing the light sensor to pass through, the light sensor and the first through hole are sealed and connected, and the light sensor and the electronic component are electrically connected;

[0012] and / or,

[0013] The rear housing includes a second through hole, the second through hole is used for allowing a wire to pass through, the wire is sealed and connected to the second through hole, and the wire is electrically connected to the electronic component;

[0014] and / or,

[0015] The rear shell includes a third through hole and a waterproof cover. The third through hole is used for allowing the memory card to pass through. The waterproof cover is sealed and connected to the third through hole. The memory card is electrically connected to the electronic component.

[0016] The present application also provides a vehicle, comprising a vehicle frame and the rearview mirror, wherein the bracket assembly and the vehicle frame are detachably connected.

[0017] The beneficial effect of the present application is that: by setting a front shell, a rear shell, electronic components and a bracket assembly, the front shell and the rear shell are connected, the rear shell includes a sealing structure, the bracket assembly and the sealing structure are connected, and the electronic components are located in the cavity formed by the front shell and the rear shell.

[0018] Since the bracket assembly and the sealing structure are connected, and the sealing structure can prevent rainwater from passing through, rainwater cannot enter the rearview mirror through the sealing structure, thereby preventing rainwater from entering the rearview mirror from the connection between the bracket assembly and the rear shell.

[0019] The above description is only an overview of the technical solution of this application. In order to more clearly understand the technical means of this application and implement it in accordance with the contents of the specification, the following is a detailed description of this application with the preferred embodiments of the application and in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1This is an exploded view of a rearview mirror in one embodiment of the present application;

[0021] Figure 2 This is a partial enlarged view of the rear housing in one embodiment of the present application;

[0022] Figure 3 is an exploded view of a bracket assembly in one embodiment of the present application;

[0023] Figure 4 This is a front view of a bracket assembly in one embodiment of the present application;

[0024] Figure 5 This is an exploded view of a rearview mirror from another perspective in one embodiment of the present application;

[0025] Figure 6 This is a cross-sectional view of the installation of a rearview mirror in one embodiment of the present application (only a portion of the vehicle frame is shown);

[0026] Figure 7 This is a system block diagram of a vehicle in another embodiment of the present application.

[0027] Wherein, the reference numerals:

[0028] 1 rearview mirror

[0029] 10 front shell

[0030] 11 Back shell

[0031] 110 Sealing structure

[0032] 1100 Sealed mounting cavity

[0033] 11000 flange

[0034] 110000 first positioning part

[0035] 11001 sealed chamber body

[0036] 110010 First Step

[0037] 110011 Second Step

[0038] 111 First through hole

[0039] 112 Second through hole

[0040] 113 third through hole

[0041] 114 waterproof cover

[0042] 1140 Cover

[0043] 1141 Silicone Pad

[0044] 12 Electronic components

[0045] 13 Bracket assembly

[0046] 130 bracket seat

[0047] 1300 Elastomer

[0048] 1301 Cover

[0049] 13010 Cover body

[0050] 130100 Second positioning part

[0051] 13011 reinforcement

[0052] 1302 Ball Clamp

[0053] 131 Bracket Rod

[0054] 1310 ball head

[0055] 1311 stud

[0056] 14 Nut

[0057] 15 screws

[0058] 16 Light Sensor

[0059] 17 Wires

[0060] 18 Memory Card

[0061] 2 vehicles

[0062] 20 Car Frame DETAILED DESCRIPTION

[0063] The following describes the implementation of the present application through specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present application from the contents disclosed in this specification.

[0064] It should be noted that, in the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of this application will be clearly and completely described below in combination with the drawings in the embodiments of this application. Obviously, the described embodiments are only embodiments of a part of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0065] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or precedence. In addition, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such process, method, product, or apparatus.

[0066] It should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0067] like Figure 1 As shown, in this embodiment, a rearview mirror 1 is provided, comprising a front shell 10, a rear shell 11, electronic components 12, and a bracket assembly 13. The front shell 10 and the rear shell 11 are connected, the rear shell 11 includes a sealing structure 110, the bracket assembly 13 is connected to the sealing structure 110, and the electronic components 12 are located in a cavity enclosed by the front shell 10 and the rear shell 11. Because the bracket assembly 13 and the sealing structure 110 are connected, and the sealing structure 110 can prevent rainwater from passing through, rainwater cannot enter the rearview mirror 1 through the sealing structure 110, thereby preventing rainwater from entering the rearview mirror 1 through the connection between the bracket assembly 13 and the rear shell 11.

[0068] like Figure 1 As shown, the material of the front shell 10 and the material of the rear shell 11 can be plastic. The electronic component 12 can be a PCB (Printed Circuit Board), a speaker, a compass module and / or a Bluetooth module. The sealing structure 110 can be a part of the rear shell 11 that cannot be entered by water. For example, the sealing structure 110 can be a sealing surface, a sealing boss or a sealed installation cavity 1100 on the rear shell 11 (please refer to the sealing installation cavity 1100 for details). Figure 2 ).

[0069] like Figure 1As shown, the volume of the rear shell 11 is larger than that of the front shell 10. Since the volume of the rear shell 11 is larger than that of the front shell 10, the sealing structure 110 is provided on the rear shell 11, which facilitates the provision of a larger sealing structure 110 and improves the connection stability between the sealing structure 110 and the bracket assembly 13. The front shell 10 and the rear shell 11 can be connected by a snap connection. After the front shell 10 and the rear shell 11 are snapped together, waterproof glue can be further applied to prevent rainwater from entering the cavity enclosed by the front shell 10 and the rear shell 11 through the connection between the front shell 10 and the rear shell 11.

[0070] Please also refer to Figure 1 and Figure 2 Optionally, the sealing structure 110 includes a concave sealed mounting cavity 1100, and the bracket assembly 13 is embedded in the sealed mounting cavity 1100 and connected to the sealed mounting cavity 1100. The bracket assembly 13 is embedded in the concave sealed mounting cavity 1100, which can allow the center of gravity of the rearview mirror 1 as a whole to be close to the bracket assembly 13 or allow the vertical line passing through the center of gravity of the rearview mirror 1 as a whole to intersect with the bracket assembly 13, thereby preventing the rearview mirror 1 from rotating around the bracket assembly 13 under the action of its own gravity. The concave direction of the sealed mounting cavity 1100 can be toward the front shell 10. The bracket assembly 13 can be detachably connected to the sealed mounting cavity 1100 by screwing or snapping. The various surfaces of the sealed mounting cavity 1100 are impermeable.

[0071] Please also refer to Figure 1 and Figure 2 Optionally, the sealed mounting cavity 1100 includes a flange 11000 and a sealed cavity body 11001. The flange 11000 is connected to the sealed cavity body 11001 and is disposed around the sealed cavity body 11001. The flange 11000 protrudes from the surface of the rear housing 11. The bracket assembly 13 is embedded in and connected to the sealed cavity body 11001. The flange 11000 disposed around the sealed cavity body 11001 can prevent rainwater from flowing into the sealed cavity body 11001 from around the sealed cavity body 11001.

[0072] Please also refer to Figure 1 and Figure 2 The flange 11000 and the sealed cavity body 11001 can be integrally formed and connected. The flange 11000 and the sealed cavity body 11001 can be coaxially arranged. The flange 11000 can protrude backward from the rear surface of the rear shell 11. The bracket assembly 13 can be detachably connected to the sealed cavity body 11001 by screwing or snapping. The sealed cavity body 11001 can be a polygonal cylindrical cavity. All surfaces of the sealed cavity body 11001 are impermeable.

[0073] Please also refer to Figures 1 to 3Optionally, the bracket assembly 13 includes a bracket seat 130 and a bracket rod 131, the bracket seat 130 and the sealed cavity body 11001 are detachably connected, the bracket rod 131 and the bracket seat 130 are hinged, and a portion of the bracket seat 130 and a portion of the bracket rod 131 are embedded in the sealed cavity body 11001. The bracket rod 131 and the bracket seat 130 are hinged, and the bracket seat 130 and the sealed cavity body 11001 are detachably connected, so that when the rearview mirror 1 is adapted to different vehicle models, the bracket assembly 13 can be removed and replaced without replacing the entire rearview mirror 1, which facilitates the adaptation of the rearview mirror 1 to different vehicle models. The material of the bracket rod 131 can be aluminum alloy or zinc alloy. The bracket seat 130 and the sealed cavity body 11001 can be detachably connected by snap connection or screw connection. The front end of the bracket rod 131 can be embedded in the sealed cavity body 11001.

[0074] Please also refer to Figure 2 and Figure 3 Optionally, the support rod 131 includes a ball head 1310, and the support base 130 includes an elastic body 1300, a cover plate 1301, and a ball clamping seat 1302. The cover plate 1301 and the ball clamping seat 1302 are connected. The cover plate 1301 is covered by the sealing chamber body 11001 and is detachably connected to the sealing chamber body 11001. The elastic body 1300 is sleeved on the ball clamping seat 1302, and the ball head 1310 is clamped by the ball clamping seat 1302. The elastic body 1300, the ball head 1310, and the ball clamping seat 1302 are located in the sealing chamber body 11001. Having the cover plate 1301 cover the sealing chamber body 11001 and connected to the sealing chamber body 11001 can reduce the possibility of rainwater entering the sealing chamber body 11001, thereby reducing the possibility of the elastic body 1300 in the sealing chamber body 11001 rusting due to contact with rainwater.

[0075] Please also refer to Figure 2 and Figure 3 , the elastic body 1300 can be a spring or an annular spring sheet, and its material can be spring steel. The cover plate 1301 and the ball clamping seat 1302 can be connected in an integrally formed manner. The cover plate 1301 and the ball clamping seat 1302 can be made of plastic. The ball clamping seat 1302 can be set in the center of the cover plate 1301. The cover plate 1301 can be detachably connected to the rear shell 11 by snapping or screwing. For example, the cover plate 1301 can be connected by four screws 15 (please refer to the screw 15). Figure 4 ) is fixed to the rear of the rear housing 11. The rear surface of the cover plate 1301 can be flush with the top surface of the flange 11000.

[0076] Please also refer to Figure 2 and Figure 4Optionally, the flange 11000 includes a first positioning portion 110000, and the cover plate 1301 includes a second positioning portion 130100, with the first positioning portion 110000 being embedded in the second positioning portion 130100. This arrangement facilitates positioning of the cover plate 1301 when it is connected to the rear housing 11, thereby improving assembly efficiency of the cover plate 1301. The number of first positioning portions 110000 can be two, and the two first positioning portions 110000 can be arranged face to face.

[0077] Please also refer to Figure 2 and Figure 4 The two first positioning portions 110000 can each be a raised portion on the flange 11000 that protrudes toward the central axis of the sealing chamber body 11001. There can be two second positioning portions 130100, and each second positioning portion 130100 and first positioning portion 110000 can be provided in a one-to-one correspondence. The two second positioning portions 130100 can each be a recessed portion on the cover body 13010 that is recessed toward the central axis of the ball clamping seat 1302. The second positioning portion 130100 can be provided on the cover body 13010.

[0078] Please also refer to Figure 2 and Figure 4 Optionally, the cover plate 1301 includes a cover plate body 13010, which is connected to the ball clamping seat 1302. The sealed cavity body 11001 includes a first step 110010. The cover plate body 13010 is embedded in the first step 110010 and is detachably connected to the first step 110010. The first step 110010 is connected to the flange 11000, and the cover plate body 13010 and the side wall of the first step 110010 are spaced apart. The spaced apart side wall of the cover plate body 13010 and the first step 110010 can prevent the cover plate body 13010 from contacting the flange 11000 and damaging the flange 11000.

[0079] Please also refer to Figure 2 and Figure 4 The cover body 13010 can be detachably connected to the rear housing 11 by snapping or screwing. The cross-sections of the cover body 13010 and the flange 11000 can be butterfly-shaped. The first step 110010 and the flange 11000 can be integrally formed and connected. The inner sidewall of the flange 11000 can overlap with the sidewall of the first step 110010. The sidewalls of the cover body 13010 and the first step 110010 are spaced apart, that is, the sidewalls of the cover body 13010 and the first step 110010 do not contact each other.

[0080] Please also refer to Figure 2 and Figure 4Optionally, the cover plate 1301 further includes a reinforcing rib 13011, which is connected to the cover plate body 13010. The sealed cavity body 11001 further includes a second step 110011, the first step 110010 is connected to the second step 110011, and the reinforcing rib 13011 is embedded in the second step 110011. The reinforcing rib 13011 and the sidewall of the second step 110011 are spaced apart. The spacing between the reinforcing rib 13011 and the sidewall of the second step 110011 can prevent the reinforcing rib 13011 from contacting the second step 110011, thereby preventing the reinforcing rib 13011 from being damaged by the second step 110011.

[0081] Please also refer to Figure 2 and Figure 4 The reinforcing rib 13011 and the cover body 13010 can be connected in an integrally formed manner. The first step 110010 and the second step 110011 can be arranged in a circular shape. The side walls of the reinforcing rib 13011 and the second step 110011 are spaced apart, that is, the side walls of the reinforcing rib 13011 and the second step 110011 do not contact each other.

[0082] Please also refer to Figure 1 and Figure 2 Optionally, the rear housing 11 includes a first through-hole 111 for allowing the light sensor 16 to pass through. The light sensor 16 and the first through-hole 111 are sealed and electrically connected to the electronic component 12. This arrangement prevents rainwater from entering the rearview mirror 1 through the connection between the light sensor 16 and the rear housing 11. The light sensor 16 can be secured to the first through-hole 111. The first through-hole 111 can be located at the rear of the rear housing 11, preferably above the flange 11000.

[0083] Please also refer to Figure 1 and Figure 2 After light sensor 16 passes through first through hole 111, waterproof glue can be applied to the connection between light sensor 16 and first through hole 111 to ensure a sealed connection between light sensor 16 and first through hole 111. Light sensor 16 can be electrically connected to electronic component 12 by soldering. Light sensor 16 can be a photoresistor. The waterproof glue can be organic silicone.

[0084] Please also refer to Figure 1 and Figure 2Optionally, the rear shell 11 includes a second through hole 112, which is used to allow the wire 17 to pass through. The wire 17 and the second through hole 112 are sealed and connected, and the wire 17 and the electronic component 12 are electrically connected. This arrangement can prevent rainwater from entering the rearview mirror 1 from the connection between the wire 17 and the rear shell 11. The wire 17 can be clamped in the second through hole 112. The second through hole 112 can be set at the rear of the rear shell 11, and the second through hole 112 can be set on the left or right side of the flange 11000. After the wire 17 passes through the second through hole 112, waterproof glue can be applied at the connection between the wire 17 and the second through hole 112 to ensure a sealed connection between the wire 17 and the second through hole 112. The wire 17 can be electrically connected to the electronic component 12 by plugging or soldering.

[0085] Please also refer to Figure 1 and Figure 5 Optionally, the back shell 11 includes a third through hole 113 and a waterproof cover 114. The third through hole 113 is used to pass the memory card 18. The waterproof cover 114 and the third through hole 113 are sealed together, electrically connecting the memory card 18 to the electronic components 12. This arrangement prevents rainwater from entering the memory card 18 and damaging it. The memory card 18 can be a TF card or an SD card, and can be inserted into and removed from the card slot through the third through hole 113. The third through hole 113 can be located at the bottom of the back shell 11. The waterproof cover 114 can include a shielding cover 1140 and a silicone pad 1141. The shielding cover 1140, the silicone pad 1141, and the back shell 11 are sequentially abutted. The waterproof cover 114 has a larger area than the third through hole 113 to seal it. The waterproof cover 114 can be secured to the back shell 11 with screws 15. The memory card 18 and the electronic components 12 can be electrically connected via an integrated circuit or a flat cable.

[0086] Please also refer to Figure 6 and Figure 7 In another embodiment, a vehicle 2 is provided, comprising a vehicle frame 20 and the rearview mirror 1 of the aforementioned embodiment, wherein a bracket assembly 13 is detachably connected to the vehicle frame 20. The bracket assembly 13 is detachably connected to the vehicle frame 20, which facilitates the installation of the rearview mirror 1 on the vehicle 2 or removal from the vehicle 2. The vehicle 2 may be an all-terrain vehicle (ATV) or an off-road beach vehicle. The rearview mirror 1 may be a central rearview mirror. The vehicle frame 20 may be the vehicle frame described in Chinese patent CN118124457A. The bracket assembly 13 may be detachably connected to the top center position of the vehicle frame 20 by screwing or snapping.

[0087] Please also refer to Figure 6 and Figure 7 For example, a screw hole can be provided on the vehicle frame 20, and a screw hole can be provided on the support rod 131 (the support rod 131 can be referred to as Figure 3, the same below) is provided with a stud 1311 at one end away from the ball head 1310, so that the stud 1311 is screwed to the vehicle frame 20. A nut 14 can also be provided, so that the nut 14 is screwed to the stud 1311 of the bracket rod 131. After the stud 1311 of the bracket rod 131 is screwed into the vehicle frame 20, the nut 14 is tightened to fix the rearview mirror 1 to the vehicle frame 20.

[0088] The above describes in detail the rearview mirror and vehicle provided in the embodiments of the present application. Those skilled in the art will appreciate that, based on the principles of the embodiments of the present application, variations in the specific implementation and scope of application are possible. In summary, the contents of this specification should not be construed as limiting the present application. All equivalent modifications or variations based on the spirit and technical concepts of the present application are encompassed by the claims of the present application.

Claims

1. A rearview mirror, characterized in that: It includes a front shell, a rear shell, electronic components and a bracket assembly, the front shell and the rear shell are connected, the rear shell includes a sealing structure, the bracket assembly and the sealing structure are connected, and the electronic components are located in a cavity formed by the front shell and the rear shell.

2. The rearview mirror according to claim 1, characterized in that The sealing structure includes a concave sealing installation cavity, and the bracket assembly is embedded in the sealing installation cavity and connected to the sealing installation cavity.

3. The rearview mirror according to claim 2, characterized in that The sealed installation cavity includes a flange and a sealed cavity body, the flange is connected to the sealed cavity body, the flange is arranged around the sealed cavity body, the flange protrudes from the surface of the rear shell, and the bracket assembly is embedded in the sealed cavity body and connected to the sealed cavity body.

4. The rearview mirror according to claim 3, characterized in that: The bracket assembly includes a bracket seat and a bracket rod. The bracket seat and the sealed cavity body are detachably connected. The bracket rod and the bracket seat are hinged. Part of the bracket seat and part of the bracket rod are embedded in the sealed cavity body.

5. The rearview mirror according to claim 4, characterized in that: The bracket rod includes a ball head, and the bracket seat includes an elastomer, a cover plate and a ball clamping seat. The cover plate is connected to the ball clamping seat. The cover plate is covered on the sealing cavity body and is detachably connected to the sealing cavity body. The elastomer is sleeved on the ball clamping seat, and the ball head is clamped on the ball clamping seat. The elastomer, the ball head and the ball clamping seat are located in the sealing cavity body.

6. The rearview mirror according to claim 5, characterized in that The flange includes a first positioning portion, the cover plate includes a second positioning portion, and the first positioning portion is embedded in the second positioning portion.

7. The rearview mirror according to claim 5, characterized in that The cover plate includes a cover plate body, which is connected to the ball clamping seat. The sealing cavity body includes a first step. The cover plate body is embedded in the first step and is detachably connected to the first step. The first step is connected to the flange. The cover plate body and the side wall of the first step are spaced apart.

8. The rearview mirror according to claim 7, characterized in that: The cover plate further includes a reinforcing rib connected to the cover plate body. The sealing cavity body further includes a second step. The first step and the second step are connected. The reinforcing rib is embedded in the second step and is spaced apart from the side wall of the second step.

9. The rearview mirror according to claim 1, wherein: The rear housing includes a first through hole, the first through hole is used for allowing the light sensor to pass through, the light sensor and the first through hole are sealed and connected, and the light sensor and the electronic component are electrically connected; and / or, The rear housing includes a second through hole, the second through hole is used for allowing a wire to pass through, the wire is sealed and connected to the second through hole, and the wire is electrically connected to the electronic component; and / or, The rear shell includes a third through hole and a waterproof cover. The third through hole is used for allowing the memory card to pass through. The waterproof cover is sealed and connected to the third through hole. The memory card is electrically connected to the electronic component.

10. A vehicle, characterized in that: The vehicle comprises a vehicle frame and a rearview mirror according to any one of claims 1 to 9, wherein the bracket assembly and the vehicle frame are detachably connected.

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