Central control screen assembly component

By designing spaced fixing holes and snaps in the central control screen assembly assembly and combining them with the fixing holes and snap holes of the bracket, the connection is solved by using fasteners, which is insufficient connection strength between the central control screen assembly and the bracket. The problem of this achieves more stable connection and extends the service life.

CN222432225UActive Publication Date: 2025-02-07ANHUI DEEPWAY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421162540.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-02-07
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The connection strength between the existing central control screen assembly and the bracket is low, which can easily lead to separation and shaking, affecting service life.

Method used

A central control screen assembly assembly is designed, including a first fixing hole and a snap buckle arranged in a spaced arrangement, and the first bracket is provided with a second fixing hole and a snap hole arranged in a spaced arrangement, and is tightened with the bracket through the fixing hole through the fixing hole. Solid connection, enhance connection strength.

Benefits of technology

Effectively prevent the central control screen assembly from being separated from the first bracket, and prevent shaking, extending the service life of the central control screen assembly.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222432225U_ABST
    Figure CN222432225U_ABST
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Abstract

The utility model provides a central control screen assembly component, which is used for a vehicle, and comprises a central control screen assembly provided with first fixing holes and buckles which are arranged at intervals; the first support is suitable for being fixed to a vehicle body, the first support is provided with a second fixing hole and a clamping hole which are formed in a spaced mode, the first fixing hole is right opposite to the second fixing hole, and the buckle is clamped in the clamping hole; the central control screen assembly penetrates through the first fixing hole and the second fixing hole through the fastener and is connected with the first support in a fastened mode. According to the central control screen assembly component, the first fixing hole and the buckle are arranged, the connecting strength of the central control screen assembly and the first support can be improved, the central control screen assembly is effectively prevented from being separated from the first support, meanwhile, the central control screen assembly can be prevented from shaking relative to the first support, and the service life of the central control screen assembly is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing central control screen assembly components, in particular to a central control screen assembly component. Background Art

[0002] In the existing solution, when the central control screen assembly is connected to the bracket, a snap-on connection is generally adopted. This connection method has low strength and can easily cause the central control screen assembly to separate from the bracket. At the same time, it can also cause the central control screen assembly to shake relative to the bracket, affecting the service life of the central control screen assembly. 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 proposes a central control screen assembly component, which can increase the connection strength between the central control screen assembly and the first bracket.

[0004] According to the central control screen assembly component of the embodiment of the utility model, which is used for a vehicle, the central control screen assembly component includes: a central control screen assembly, which is provided with first fixing holes and clips arranged at intervals; a first bracket, which is suitable for being fixed to the vehicle body, and is provided with second fixing holes and clips arranged at intervals, the first fixing hole is directly opposite to the second fixing hole, and the clip is clamped in the clip hole; a fastener, through which the central control screen assembly passes through the first fixing hole and the second fixing hole and is fastened to the first bracket.

[0005] According to the central control screen assembly component of the utility model, a first fixing hole and a buckle are provided, which can increase the connection strength between the central control screen assembly and the first bracket, effectively prevent the central control screen assembly from separating from the first bracket, and at the same time, can also prevent the central control screen assembly from shaking relative to the first bracket, thereby ensuring the service life of the central control screen assembly.

[0006] According to some embodiments of the utility model, the central control screen assembly includes a mounting seat, which defines a mounting cavity opening toward the first bracket, the buckle is formed on the bottom wall of the mounting cavity, and the first fixing hole is formed on the side wall of the mounting cavity.

[0007] According to some embodiments of the utility model, the first bracket includes: a connecting plate, the card hole is formed on the connecting plate; a side panel, the side panels are two, one ends of the two side panels are respectively connected to the two sides of the connecting plate in a first direction, the other ends of the two side panels extend away from the central control screen assembly along the thickness direction of the connecting plate, and the second fixing hole is formed on the side panel.

[0008] According to some optional embodiments of the utility model, the number of the clamping holes is at least three, the multiple clamping holes are not collinear, and the buckles are engaged with the clamping holes in a one-to-one correspondence; and each of the side panels is provided with a plurality of the second fixing holes.

[0009] According to some optional embodiments of the utility model, a bending portion is provided on the connecting plate, the bending portion is bent in a direction away from the central control screen assembly, and the plurality of card holes are symmetrically arranged on both sides of the bending portion.

[0010] According to some embodiments of the utility model, the other end of the side panel away from the connecting plate is provided with a flange, the flange extends along the first direction away from the connecting plate, and the flange is suitable for connecting to the instrument tube beam of the vehicle.

[0011] According to some embodiments of the present invention, the central control screen assembly component includes: a second bracket, the second bracket is arranged in the installation cavity and is located between the central control screen assembly and the first bracket, and the second bracket connects the central control screen assembly and the first bracket.

[0012] According to some optional embodiments of the utility model, the second bracket includes: a first plate, which is fixedly connected to the bottom wall of the installation cavity; a second plate, which is connected to the first plate and arranged at an angle to the first plate, and the second plate is fixedly connected to the first bracket and the side wall of the installation cavity.

[0013] According to some optional embodiments of the present invention, a third fixing hole is provided on the second plate, and the fastener passes through the first fixing hole, the third fixing hole and the second fixing hole in sequence to fasten the second bracket to the first bracket and the mounting base.

[0014] According to some optional embodiments of the present invention, the central control screen assembly component includes: a blocking cover, which is arranged on the mounting seat and located outside the mounting cavity, and the blocking cover covers the fastener.

[0015] 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

[0016] Figure 1 is an exploded view of a central control screen assembly component according to an embodiment of the utility model;

[0017] Figure 2 yes Figure 1 Schematic diagram of the central control screen assembly and the second bracket shown in .

[0018] Reference numerals:

[0019] 100. Central control screen assembly components;

[0020] 10. Central control screen assembly; 11. Mounting seat; 12. Buckle;

[0021] 20, first bracket; 21, connecting plate; 211, bending portion; 212, clamping hole; 22, side plate; 221, flange; 222, second fixing hole;

[0022] 30. second bracket; 31. first plate; 32. second plate; 321. third fixing hole;

[0023] 40. Block the cover;

[0024] 50. Fasteners. DETAILED DESCRIPTION

[0025] 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 intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] Please refer to the following Figure 1-Figure 2 The central control screen assembly component 100 according to an embodiment of the present utility model is described.

[0027] Reference Figure 1 and Figure 2 According to an embodiment of the utility model, the central control screen assembly component 100 includes: a central control screen assembly 10, a first bracket 20 and a fastener 50.

[0028] Specifically, the central control screen assembly 10 is provided with first fixing holes and buckles 12 arranged at intervals; the first bracket 20 is suitable for being fixed to the vehicle body, and the first bracket 20 is provided with second fixing holes 222 and a buckle 212 arranged at intervals, the first fixing hole is directly opposite to the second fixing hole 222, and the buckle 12 is clamped in the buckle 212; the central control screen assembly 10 is fastened and connected to the first bracket 20 through the fastener 50 passing through the first fixing hole and the second fixing hole 222. Preferably, the first bracket 20 is a sheet metal part, so that the strength of the first bracket 20 can be ensured.

[0029] When installing the central control screen assembly 10 on the vehicle body, first clamp the buckle 12 into the clamping hole 212, then align the second fixing hole 222 with the first fixing hole, and then use the fastener 50 to pass through the second fixing hole 222 and the first fixing hole to fix the central control screen assembly 10 on the first bracket 20, and finally connect the first bracket 20 to the vehicle body. At this time, the installation of the central control screen assembly 10 is completed.

[0030] The central control screen assembly component 100 of the utility model is provided with a first fixing hole and a buckle 12. The fastener 50 passes through the second fixing hole 222 and the first fixing hole to fix the central control screen assembly 10 to the first bracket 20. The buckle 12 is clamped in the clamping hole 212. The fastening connection of the fastener 50 and the clamping connection between the buckle 12 and the clamping hole 212 can increase the connection strength between the central control screen assembly 10 and the first bracket 20, and effectively prevent the central control screen assembly 10 from separating from the first bracket 20. At the same time, it can also prevent the central control screen assembly 10 from shaking relative to the first bracket 20. Even if the vehicle is driving on harsh road conditions, it will not affect the central control screen assembly 10, thereby ensuring the service life of the central control screen assembly 10.

[0031] According to the central control screen assembly component 100 of the embodiment of the utility model, a first fixing hole and a buckle 12 are provided, which can increase the connection strength between the central control screen assembly 10 and the first bracket 20, and effectively prevent the central control screen assembly 10 from separating from the first bracket 20. At the same time, it can also prevent the central control screen assembly 10 from shaking relative to the first bracket 20, thereby ensuring the service life of the central control screen assembly 10.

[0032] According to some embodiments of the present invention, referring to Figure 1 and Figure 2 The central control screen assembly 10 includes a mounting seat 11, which defines a mounting cavity opening toward the first bracket 20, a buckle 12 is formed on the bottom wall of the mounting cavity, and a first fixing hole is formed on the side wall of the mounting cavity. Thus, the mounting cavity in the mounting seat 11 defines the arrangement position of the buckle 12, thereby ensuring the rationality of the position setting of the buckle 12. At the same time, the mounting seat 11 provides an arrangement position for the first fixing hole, thereby facilitating the connection between the first bracket 20 and the central control screen assembly 10.

[0033] For example, Figure 1 and Figure 2 As shown, the rear surface of the central control screen assembly 10 is provided with an annular mounting seat 11, and the mounting seat 11 and the rear surface of the central control screen assembly 10 form a mounting cavity with an open rear side, and the first fixing hole penetrates the mounting seat 11 along the thickness direction of the mounting seat 11, and the buckle 12 is formed on the bottom wall of the mounting cavity, and the buckle 12 extends backward from the bottom wall of the mounting cavity.

[0034] According to some embodiments of the present invention, referring to Figure 1 The first bracket 20 includes a connecting plate 21 and a side plate 22. The card hole 212 is formed in the connecting plate 21; the side plate 22 is two, and one end of the two side plates 22 (such as Figure 1 The front ends of the side plates 22 shown in the figure are respectively connected to the connecting plate 21 in the first direction (such as Figure 1 The left and right directions shown in FIG. 2 are on both sides, and the other ends of the two side plates 22 (such as Figure 1 The rear end of the side plate 22 shown in FIG. 2 is along the thickness direction of the connecting plate 21 (eg Figure 1 The front-to-rear direction (as shown) extends away from the central control screen assembly 10, and the second fixing hole 222 is formed on the side panel 22.

[0035] In this way, the connecting plate 21 can facilitate the connection between the first bracket 20 and the central control screen assembly 10. The card hole 212 is arranged on the connecting plate 21, so that the buckle 12 can be conveniently connected to the card hole 212. The side panels 22 are arranged on both sides of the connecting plate 21. The side panels 22 cooperate with the connecting plate 21 to enhance the strength of the first bracket 20 and prevent the first bracket 20 from being damaged. At the same time, the second fixing hole 222 is arranged on the side panel 22, and the side panel 22 is parallel to the side wall of the installation cavity, so that the fastener 50 can be conveniently passed through the first fixing hole and the second fixing hole 222.

[0036] For example, Figure 1 As shown, the connecting plate 21 is a plate-shaped plate arranged vertically along the left-right direction, and the side plate 22 is a plate-shaped plate arranged along the front-back direction. The front end of the side plate 22 is connected to the connecting plate 21, and the rear end of the side plate 22 extends backward. The two side plates 22 are respectively connected to the left and right ends of the connecting plate 21. The connecting plate 21 is provided with a clamping hole 212 that penetrates the connecting plate 21 along the front-back direction, and the side plate 22 is provided with a second fixing hole 222 that penetrates the side plate 22 along the left-right direction.

[0037] According to some optional embodiments of the present invention, referring to Figure 1 , the number of the clamping holes 212 is at least three, that is, the number of the clamping holes 212 can be three, four or five or more, the multiple clamping holes 212 are not collinear, and the buckle 12 is engaged with the clamping holes 212 one by one; each side plate 22 is provided with a plurality of second fixing holes 222, that is, each side plate 22 is provided with two, three or four or more second fixing holes 222. Therefore, the multiple clamping holes 212 cooperate with the buckle 12 to ensure the connection strength between the central control screen assembly 10 and the first bracket 20, thereby preventing the central control screen assembly 10 from shaking relative to the first bracket 20. At the same time, the multiple clamping holes 212 are not collinear, thereby increasing the connection reliability between the central control screen assembly 10 and the first bracket 20.

[0038] For example, Figure 1 As shown, there are four clamping holes 212, two clamping holes 212 are arranged on the left side of the connecting plate 21, and two clamping holes 212 are arranged on the right side of the connecting plate 21, and the two clamping holes 212 on each side are arranged at intervals in the up-down direction, so that the four clamping holes 212 are not collinear, and two second fixing holes 222 are arranged on each side plate 22, and the two second fixing holes 222 of each side plate 22 are arranged at intervals in the up-down direction, and the number of the second fixing holes 222 corresponds to the number of the first fixing holes one by one.

[0039] According to some optional embodiments of the present invention, referring to Figure 1The connecting plate 21 is provided with a bending portion 211, which is bent in a direction away from the central control screen assembly 10, and a plurality of clamping holes 212 are symmetrically arranged on both sides of the bending portion 211. Thus, the bending portion 211 can strengthen the strength of the connecting plate 21 and prevent the connecting plate 21 from deformation and damage. At the same time, the bending portion 211 forms an avoidance space, which can facilitate the arrangement of other components.

[0040] For example, Figure 1 As shown, a bending portion 211 is provided in the middle of the connecting plate 21 , the bending portion 211 is bent backward, two clamping holes 212 are provided on the left side of the bending portion 211 , and two clamping holes 212 are provided on the right side of the bending portion 211 .

[0041] According to some embodiments of the present invention, referring to Figure 1 , the other end of the side plate 22 away from the connecting plate 21 (such as Figure 1 The rear end of the side plate 22 shown in FIG. 1 is provided with a flange 221, and the flange 221 is arranged along a first direction (such as Figure 1 The flange 221 is suitable for connecting with the instrument tube beam of the vehicle. Thus, the flange 221 can be connected with the instrument tube beam, thereby ensuring the connection strength between the first bracket 20 and the instrument tube beam, effectively preventing the first bracket 20 from separating from the vehicle body, and at the same time, the flange 221 extends in a direction away from the side plate 22, thereby not affecting the connection between the side plate 22 and the central control screen assembly 10.

[0042] For example, Figure 1 As shown, the rear end of the left side panel 22 is provided with a flange 221 extending to the left, and the rear end of the right side panel 22 is provided with a flange 221 extending to the right. The flange 221 is screwed to the instrument pipe beam. The screw connection has a simple structure, low cost, and is convenient for mass use.

[0043] According to some embodiments of the present invention, referring to Figure 1 and Figure 2 The central control screen assembly component 100 includes: a second bracket 30, which is arranged in the installation cavity and between the central control screen assembly 10 and the first bracket 20, and the second bracket 30 connects the central control screen assembly 10 and the first bracket 20. Therefore, the second bracket 30 can further strengthen the connection strength between the first bracket 20 and the central control screen assembly 10, thereby effectively preventing the central control screen assembly 10 from being separated from the first bracket 20. Preferably, the second bracket 30 is a sheet metal part, so that the strength of the second bracket 30 can be guaranteed and the second bracket 30 can be effectively prevented from being damaged.

[0044] According to some optional embodiments of the present invention, referring to Figure 1 and Figure 2, the second bracket 30 includes: a first plate 31 and a second plate 32. The first plate 31 is fixedly connected to the bottom wall of the installation cavity; the second plate 32 is connected to the first plate 31 and arranged at an angle to the first plate 31, and the second plate 32 is fixedly connected to the first bracket 20 and the side wall of the installation cavity. Therefore, the first plate 31 is fixed to the central control screen assembly 10 through the bottom wall of the installation cavity, and the second plate 32 is fixed to the first bracket 20 and the side wall of the installation cavity. Therefore, the first plate 31 and the second plate 32 cooperate to strengthen the connection strength between the first bracket 20 and the central control screen assembly 10, thereby effectively preventing the central control screen assembly 10 from separating from the first bracket 20.

[0045] For example, Figure 1 and Figure 2 As shown, the first plate 31 is arranged parallel to the rear surface of the central control screen assembly 10, the second plate 32 is arranged perpendicular to the first plate 31 in the front-to-back direction, and the front end of the second plate 32 is connected to the first plate 31. Preferably, the first plate 31 is screwed to the bottom wall of the installation cavity, so as to ensure the connection strength between the second bracket 30 and the central control screen assembly 10. Preferably, the first plate 31 and the second plate 32 are cold-formed steel, and the thickness of the first plate 31 and the second plate 32 are both 2 mm, so as to ensure the strength of the first plate 31 and the second plate 32.

[0046] According to some optional embodiments of the present invention, referring to Figure 1 and Figure 2 , a third fixing hole 321 is provided on the second plate 32, and the fastener 50 passes through the first fixing hole, the third fixing hole 321 and the second fixing hole 222 in sequence to fasten the second bracket 30 to the first bracket 20 and the mounting seat 11. Thus, the fastener 50 connects the first bracket 20, the second bracket 30 and the central control screen assembly 10, thereby ensuring the connection strength between the first bracket 20, the second bracket 30 and the central control screen assembly 10. At the same time, when only the mounting seat 11 is connected to the first bracket 20, when the mounting seat 11 is damaged, the connection between the first bracket 20 and the central control screen assembly 10 fails. Therefore, the second bracket 30 is fixed to the central control screen assembly 10 and the second bracket 30 respectively, which can further strengthen the connection strength between the central control screen assembly 10 and the first bracket 20.

[0047] For example, Figure 1 and Figure 2 As shown, the second plate 32 is provided with a third fixing hole 321 penetrating the second plate 32 along the left-right direction. The number of the third fixing holes 321 is two, and the two third fixing holes 321 are arranged at intervals along the up-down direction.

[0048] When connecting the first bracket 20, the second bracket 30 and the central control screen assembly 10, first fix the first plate 31 to the bottom wall of the mounting cavity, then align the second fixing hole 222 of the first bracket 20 with the first fixing hole and the third fixing hole 321 of the mounting seat 11, and then use the fastener 50 to pass through the first fixing hole, the third fixing hole 321 and the second fixing hole 222 in sequence to fix the first bracket 20, the second bracket 30 to the central control screen assembly 10.

[0049] Furthermore, if Figure 1 and Figure 2 As shown, two second brackets 30 are provided, and the two second brackets 30 are symmetrically arranged on the left and right sides of the first fixing hole along the left-right direction, thereby further strengthening the connection strength between the central control screen assembly 10 and the first bracket 20.

[0050] According to some embodiments of the present invention, referring to Figure 1 and Figure 2 The central control screen assembly component 100 includes: a plug cover 40, which is arranged on the mounting seat 11 and located outside the mounting cavity, and the plug cover 40 covers the fastener 50. Therefore, the plug cover 40 can improve the aesthetics of the central control screen assembly component 100.

[0051] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0053] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0055] 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 central control screen assembly component, used in a vehicle, characterized in that: include: A central control screen assembly, wherein the central control screen assembly is provided with first fixing holes and buckles arranged at intervals; A first bracket, the first bracket is suitable for being fixed to the vehicle body, the first bracket is provided with a second fixing hole and a clamping hole arranged at intervals, the first fixing hole is directly opposite to the second fixing hole, and the buckle is clamped in the clamping hole; The central control screen assembly is fastened to the first bracket by the fastener passing through the first fixing hole and the second fixing hole.

2. The central control screen assembly according to claim 1, characterized in that: The central control screen assembly includes a mounting seat, which defines a mounting cavity opening toward the first bracket, the buckle is formed on the bottom wall of the mounting cavity, and the first fixing hole is formed on the side wall of the mounting cavity.

3. The central control screen assembly according to claim 2, characterized in that: The first bracket comprises: A connecting plate, wherein the clamping hole is formed on the connecting plate; There are two side panels, one end of the two side panels is respectively connected to the two sides of the connecting plate in the first direction, the other end of the two side panels extends away from the central control screen assembly along the thickness direction of the connecting plate, and the second fixing hole is formed on the side panel.

4. The central control screen assembly according to claim 3, characterized in that: The number of the clamping holes is at least three, the multiple clamping holes are not collinear, and the buckles are engaged with the clamping holes in a one-to-one correspondence; and each of the side panels is provided with a plurality of the second fixing holes.

5. The central control screen assembly according to claim 4, characterized in that: A bending portion is provided on the connecting plate, and the bending portion is bent in a direction away from the central control screen assembly, and the plurality of card holes are symmetrically arranged on both sides of the bending portion.

6. The central control screen assembly according to claim 3, characterized in that: The other end of the side plate away from the connecting plate is provided with a flange, the flange extends along the first direction toward a direction away from the connecting plate, and the flange is suitable for connecting to the instrument tube beam of the vehicle.

7. The central control screen assembly according to any one of claims 3 to 6, characterized in that: include: The second bracket is arranged in the installation cavity and is located between the central control screen assembly and the first bracket, and the second bracket connects the central control screen assembly and the first bracket.

8. The central control screen assembly according to claim 7, characterized in that: The second bracket comprises: A first plate, wherein the first plate is fixedly connected to a bottom wall of the mounting cavity; The second plate is connected to the first plate and arranged at an angle with the first plate, and the second plate is fixedly connected to the first bracket and the side wall of the installation cavity.

9. The central control screen assembly according to claim 8, characterized in that: The second plate is provided with a third fixing hole, and the fastener passes through the first fixing hole, the third fixing hole and the second fixing hole in sequence to fasten the second bracket to the first bracket and the mounting seat.

10. The central control screen assembly according to claim 9, characterized in that: include: A blocking cover is arranged on the mounting seat and located outside the mounting cavity, and the blocking cover covers the fastener.