Vehicle-mounted rearview mirror

Abstract

The vehicle-mounted rearview mirror comprises a metal shell, a backlight module and a display screen, the metal shell comprises a rear frame, an annular middle frame and an annular front frame, the rear frame is provided with a containing groove with an opening in the front end, a plurality of first clamping protrusions and a plurality of second clamping protrusions are arranged on the periphery of the rear frame in a protruding mode, the annular middle frame comprises a first annular front wall and a first peripheral side wall, and the annular front wall comprises a second annular front wall and a second peripheral side wall. The annular middle frame comprises a first annular front wall and a first peripheral side wall, a plurality of first bayonets and a plurality of avoiding openings are formed in the first peripheral side wall, the front ends of the first bayonets extend forwards to form baffles, the annular front frame comprises a second annular front wall and a second peripheral side wall, a plurality of second bayonets are formed in the second peripheral side wall, the annular middle frame fixes the backlight module in the containing groove, and the display screen is an IPS display screen. The annular front frame fixes the display screen in the positioning groove, and pad bodies are arranged between the bottom of the display screen and the second annular front wall and between the peripheral side of the display screen and the baffle. The annular front frame and the annular middle frame are both made of metal materials, and normal use of the display screen can be prevented from being affected by thermal deformation.

Description

Technical Field

[0001] The utility model relates to the field of vehicle-mounted rearview mirror technology, in particular to a vehicle-mounted rearview mirror. Background Art

[0002] The car rearview mirror is located in the front of the interior of the car. The car rearview mirror can reflect the situation behind the car, so that the driver can indirectly see the situation behind the car, which expands the driver's field of vision. This type of rearview mirror is generally equipped with an electric mirror. This type of rearview mirror equipped with an electric mirror can have dual functions. It can be used as an ordinary reflector to reflect the situation of the vehicle behind, and can also be used for an electronic display screen to display the image of the vehicle behind.

[0003] In the prior art, a vehicle-mounted rearview mirror includes a display screen and a backlight module. The display screen is a passive light-emitting element. The display screen itself does not emit light, but is illuminated by a backlight source below it. The display screen is fixedly connected to the backlight module. The backlight module includes a lower frame and a plastic frame. The display screen is fixed on the plastic frame, and the plastic frame is fixed on the lower frame of the plastic frame. When the backlight module is working, heat is generated, and the plastic frame is easily deformed by heat, thereby squeezing the display screen, which can easily cause damage to the display screen or produce white edges that affect viewing, thereby reducing the service life of the vehicle-mounted rearview mirror.

[0004] Therefore, it is necessary to design a new technical solution to solve the above problems. Utility Model Content

[0005] In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide a vehicle-mounted rearview mirror, which is provided with a metal shell, the metal shell includes a rear frame, an annular middle frame and an annular front frame, the annular middle frame includes a first annular front wall and a first peripheral side wall connected to the rear side of the first annular front wall, the outer periphery of the rear frame is convexly provided with a plurality of first clamping protrusions for the annular middle frame to be clamped, the first peripheral side wall is provided with a plurality of first clamping slots matching the first clamping protrusions, the front end of the first clamping slot is extended forward with a baffle, the baffle can be bent at the same time as the first clamping slot is provided for positioning the display screen, the structural design is ingenious, and the processing and production of the positioning groove is convenient, and the annular front frame and the annular middle frame are both made of metal, which can avoid heat deformation and affecting the normal use of the display screen, and the setting of the pad body makes it difficult for the IPS display screen to produce white edges or damage, and the cooperation between the first clamping protrusion and the first clamping slot and the cooperation between the second clamping protrusion and the second clamping slot makes it easy to assemble the rear frame, the annular middle frame and the annular front frame.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A vehicle-mounted rearview mirror, comprising:

[0008] The metal shell comprises a rear frame, an annular middle frame and an annular front frame, the rear frame is provided with a receiving groove with a front end opening, the outer periphery of the rear frame is convexly provided with a plurality of first clamping protrusions for clamping the annular middle frame and a plurality of second clamping protrusions for clamping the annular front frame, the rear side of the rear frame is provided with a mounting portion for mounting on a car, the annular middle frame comprises a first annular front wall and a first peripheral side wall connected to the rear side of the first annular front wall, the first peripheral side wall is provided with a plurality of first bayonet holes matching the first clamping protrusions and a plurality of avoidance holes for the second clamping protrusions to avoid, a baffle extends forward from the front end of the first bayonet hole, and the plurality of baffles surround and form a positioning groove for positioning the display screen, the annular front frame comprises a second annular front wall and a second peripheral side wall connected to the rear side of the second annular front wall, the second peripheral side wall is provided with a plurality of second bayonet holes matching the second clamping protrusions;

[0009] The backlight module is fixed in the receiving groove by the annular middle frame through the cooperation of the first latching protrusion and the first latching groove;

[0010] The display screen is an IPS display screen, and the annular front frame fixes the display screen in the positioning groove through the cooperation of the second protrusion and the second bayonet. Pads are provided between the bottom of the display screen and the second annular front wall, and between the surrounding side of the display screen and the baffle.

[0011] As a preferred solution, the metal shell is an isosceles trapezoid with a larger upper portion and a smaller lower portion, and correspondingly, the first annular front wall and the second annular front wall are both isosceles trapezoid with a larger upper portion and a smaller lower portion.

[0012] As a preferred solution, a first latching protrusion and a second latching protrusion are provided on the left and right sides of the metal shell, and five first latching protrusions and four second latching protrusions are provided on the upper and lower sides of the metal shell. Accordingly, two of the five first latching protrusions on the upper side of the metal shell at both ends are extended with baffles, and three of the five first latching protrusions on the lower side of the metal shell are extended with baffles.

[0013] As a preferred solution, the three baffles on the lower side of the metal shell are located between the two baffles on the upper side of the metal shell.

[0014] As a preferred solution, in the first annular front wall and the second annular front wall, the width dimensions of the upper side, the width dimensions of the left and right sides, and the width dimension of the lower side are arranged to be gradually reduced.

[0015] As a preferred solution, the backlight module includes a reflective film, a light guide plate, a diffusion film, a rear brightness enhancement film, a front brightness enhancement film, and a DBEF film, which are arranged in sequence from back to front.

[0016] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0017] The main feature is that a metal shell is provided, which includes a rear frame, an annular middle frame and an annular front frame. The annular middle frame includes a first annular front wall and a first peripheral side wall connected to the rear side of the first annular front wall. The outer periphery of the rear frame is convexly provided with a plurality of first clamping protrusions for the annular middle frame to be clamped. The first peripheral side wall is provided with a plurality of first clamping slots matching the first clamping protrusions. A baffle is extended forward from the front end of the first clamping slot. The baffle can be bent at the same time as the first clamping slot is opened for positioning the display screen. The structural design is ingenious and convenient for processing and manufacturing the positioning groove. The annular front frame and the annular middle frame are both made of metal, which can avoid deformation due to heat and affect the normal use of the display screen. Combined with the setting of the pad, the IPS display screen is not prone to white edges and damage. In addition, the cooperation between the first clamping protrusion and the first clamping slot and the cooperation between the second clamping protrusion and the second clamping slot makes the assembly between the rear frame, the annular middle frame and the annular front frame convenient.

[0018] In order to more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of a preferred embodiment of the present utility model;

[0020] Figure 2 It is a three-dimensional schematic diagram from another perspective of a preferred embodiment of the present utility model;

[0021] Figure 3 It is a front view schematic diagram of a preferred embodiment of the utility model;

[0022] Figure 4 This is an exploded schematic diagram of a preferred embodiment of the present utility model;

[0023] Figure 5 yes Figure 4 A partial enlarged view of point A in the middle;

[0024] Figure 6 This is another exploded schematic diagram of a preferred embodiment of the present utility model;

[0025] Figure 7 It is a structural diagram of a backlight module of a preferred embodiment of the present utility model.

[0026] Description of the accompanying drawings:

[0027] 10. Metal shell 11. Back frame

[0028] 111, accommodating groove 112, first clamping protrusion

[0029] 113. Second clamping protrusion 114. Mounting portion

[0030] 12. Annular middle frame 121, first annular front wall

[0031] 122. First side wall 123. First bayonet

[0032] 124. Avoidance 125. Baffle

[0033] 126, positioning groove 13, annular front frame

[0034] 131, second annular front wall 132, second peripheral side wall

[0035] 133, second bayonet 20, backlight module

[0036] 21. Reflective film 22. Light guide plate

[0037] 23. Diffusion film 24. Rear enhancement film

[0038] 25. Front brightness enhancement film 26. DBEF film

[0039] 30. Display screen 40. Cushion body. DETAILED DESCRIPTION

[0040] First of all, it should be noted that in the description of the present invention, the terms "up", "down", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They 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 direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as a limitation on the present invention.

[0041] Please refer to Figures 1 to 7 As shown, it shows the specific structure of a preferred embodiment of the present utility model, including a metal shell 10, a backlight module 20 and a display screen 30.

[0042] The metal shell 10 includes a rear frame 11, an annular middle frame 12 and an annular front frame 13. The rear frame 11 is provided with a receiving groove 111 with a front end open. The outer periphery of the rear frame 11 is provided with a plurality of first latching protrusions 112 for the annular middle frame 12 to be clamped and a plurality of second latching protrusions 113 for the annular front frame 13 to be clamped. The rear side of the rear frame 11 is provided with a mounting portion 114 for mounting on a car. The annular middle frame 12 includes a first annular front wall 121 and a first peripheral side wall 122 connected to the rear side of the first annular front wall 121. The first peripheral side The wall 122 is provided with a plurality of first latches 123 matching the first latch protrusions 112 and a plurality of avoidance openings 124 for the second latch protrusions 113 to avoid. A baffle 125 extends forward from the front end of the first latch 123. The plurality of baffles 125 surround and form a positioning groove 126 for positioning the display screen 30. The annular front frame 13 includes a second annular front wall 131 and a second circumferential side wall 132 connected to the rear side of the second annular front wall 131. The second circumferential side wall 132 is provided with a plurality of second latches 133 matching the second latch protrusions 113.

[0043] See Figures 2 to 6 As shown, the mounting portion 114 includes four mounting posts, the metal shell 10 is an isosceles trapezoid with a larger top and a smaller bottom, and accordingly, the first annular front wall 121 and the second annular front wall 131 are both isosceles trapezoid with a larger top and a smaller bottom;

[0044] Specifically, a first latching protrusion 112 and a second latching protrusion 113 are provided on the left and right sides of the metal shell 10, and five first latching protrusions 112 and four second latching protrusions 113 are provided on the upper and lower sides of the metal shell 10. Accordingly, two of the five first latching openings 123 on the upper side of the metal shell 10 at both ends are extended with baffles 125, and three of the five first latching openings 123 on the lower side of the metal shell 10 are extended with baffles 125. The three baffles 125 on the lower side of the metal shell 10 are located between the two baffles 125 on the upper side of the metal shell 10.

[0045] In this embodiment, the width dimensions of the upper side, the width dimensions of the left and right sides, and the width dimension of the lower side of the first annular front wall 121 and the second annular front wall 131 are arranged to be gradually reduced in sequence.

[0046] See Figure 4 and Figure 5 As shown, the backlight module 20 is located in the accommodating groove 111, and the annular middle frame 12 fixes the backlight module 20 in the accommodating groove 111 through the cooperation of the first clamping protrusion 112 and the first clamping hole 123; specifically, see Figure 7 As shown, the backlight module 20 includes a reflective film 21 , a light guide plate 22 , a diffusion film 23 , a rear brightness enhancement film 24 , a front brightness enhancement film 25 , and a DBEF film 26 , which are sequentially arranged from the back to the front.

[0047] The display screen 30 is an IPS display screen 30. The annular front frame 13 fixes the display screen 30 in the positioning groove 126 through the cooperation of the second protrusion 113 and the second bayonet 133. Figure 3 and Figure 4 As shown, pads 40 are provided between the bottom of the display screen 30 and the second annular front wall 131 , and between the peripheral side of the display screen 30 and the baffle 125 . The pads 40 are multiple silicone pads.

[0048] The design focus of this utility model is:

[0049] The main feature is that a metal shell is provided, which includes a rear frame, an annular middle frame and an annular front frame. The annular middle frame includes a first annular front wall and a first peripheral side wall connected to the rear side of the first annular front wall. The outer periphery of the rear frame is convexly provided with a plurality of first clamping protrusions for the annular middle frame to be clamped. The first peripheral side wall is provided with a plurality of first clamping slots matching the first clamping protrusions. A baffle is extended forward from the front end of the first clamping slot. The baffle can be bent at the same time as the first clamping slot is opened for positioning the display screen. The structural design is ingenious and convenient for processing and manufacturing the positioning groove. The annular front frame and the annular middle frame are both made of metal, which can avoid deformation due to heat and affect the normal use of the display screen. Combined with the setting of the pad, the IPS display screen is not prone to white edges and damage. In addition, the cooperation between the first clamping protrusion and the first clamping slot and the cooperation between the second clamping protrusion and the second clamping slot makes the assembly between the rear frame, the annular middle frame and the annular front frame convenient.

[0050] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A vehicle-mounted rearview mirror, characterized in that: include: The metal shell comprises a rear frame, an annular middle frame and an annular front frame, the rear frame is provided with a receiving groove with a front end opening, the outer periphery of the rear frame is convexly provided with a plurality of first clamping protrusions for clamping the annular middle frame and a plurality of second clamping protrusions for clamping the annular front frame, the rear side of the rear frame is provided with a mounting portion for mounting on a car, the annular middle frame comprises a first annular front wall and a first peripheral side wall connected to the rear side of the first annular front wall, the first peripheral side wall is provided with a plurality of first bayonet holes matching the first clamping protrusions and a plurality of avoidance holes for the second clamping protrusions to avoid, a baffle extends forward from the front end of the first bayonet hole, and the plurality of baffles surround and form a positioning groove for positioning the display screen, the annular front frame comprises a second annular front wall and a second peripheral side wall connected to the rear side of the second annular front wall, the second peripheral side wall is provided with a plurality of second bayonet holes matching the second clamping protrusions; The backlight module is fixed in the receiving groove by the annular middle frame through the cooperation of the first latching protrusion and the first latching groove; The display screen is an IPS display screen, and the annular front frame fixes the display screen in the positioning groove through the cooperation of the second protrusion and the second bayonet. Pads are provided between the bottom of the display screen and the second annular front wall, and between the surrounding side of the display screen and the baffle.

2. The vehicle-mounted rearview mirror according to claim 1, characterized in that: The metal shell is in the shape of an isosceles trapezoid that is larger at the top and smaller at the bottom. Correspondingly, the first annular front wall and the second annular front wall are both in the shape of an isosceles trapezoid that is larger at the top and smaller at the bottom.

3. The vehicle-mounted rearview mirror according to claim 2, characterized in that: A first latching protrusion and a second latching protrusion are respectively provided on the left and right sides of the metal shell, and five first latching protrusions and four second latching protrusions are respectively provided on the upper and lower sides of the metal shell. Accordingly, two of the five first latching slots on the upper side of the metal shell at both ends are extended with baffles, and three of the five first latching slots on the lower side of the metal shell are extended with baffles.

4. The vehicle-mounted rearview mirror according to claim 3, characterized in that: The three baffles on the lower side of the metal shell are located between the two baffles on the upper side of the metal shell.

5. The vehicle-mounted rearview mirror according to claim 2, characterized in that: In the first annular front wall and the second annular front wall, the width dimensions of the upper side, the width dimensions of the left side and the right side, and the width dimension of the lower side are set to be gradually smaller.

6. The vehicle-mounted rearview mirror according to claim 1, characterized in that: The backlight module comprises a reflective film, a light guide plate, a diffusion film, a rear brightness enhancement film, a front brightness enhancement film and a DBEF film which are arranged in sequence from the back to the front.

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