CN219872034U - Large-size iron stand, backlight module and vehicle-mounted display screen - Google Patents

Abstract

The utility model relates to the technical field of vehicle-mounted display screens, in particular to a large-size iron frame, a backlight module and a vehicle-mounted display screen; under the condition that the fixing frame is made of aluminum-zinc plated materials, acting force of internal stress of the fixing frame on the backlight assembly is weakened, influence of deformation of the fixing frame on the backlight assembly due to the materials is effectively reduced, and production cost is effectively reduced; comprising the following steps: the fixing frame is provided with four groups of folds perpendicular to the fixing frame, the fixing frame and the four groups of folds enclose a mounting cavity, and the fixing frame is made of aluminum-zinc plated materials; the inner bottom wall of the mounting cavity is provided with inner grooves close to the four groups of folded edges; the fixed frame, the four groups of folded edges and the inner groove are molded by one-time compression; elastic limiting components are arranged at the folded edges close to the upper part and the lower part of the fixed frame; the fixed frame department is provided with the bar mounting groove, and elasticity spacing subassembly is kept away from the elastic component that provides thrust with bar mounting groove articulated department one end including articulated fastener and the elastic component of installing in the bar mounting groove for the fastener.

Description

Large-size iron stand, backlight module and vehicle-mounted display screen

Technical Field

The utility model relates to the technical field of vehicle-mounted display screens, in particular to a large-size iron frame, a backlight module and a vehicle-mounted display screen.

Background

Along with the development of industry intellectualization, the vehicle-mounted display is widely applied to the automobile field, and in order to meet the demands of convenience in operation, attractiveness and the like, the vehicle-mounted display is forward developing towards a large screen direction, and in order to meet the demands, the size of an iron frame for fixing a backlight module and a display screen is required to be increased.

The utility model discloses a vehicle-mounted backlight module and a central control display screen (publication number CN 209591352U), which comprise a first fixed frame, a backlight module, a reinforcing frame, a second fixed frame and a central control display screen, wherein the surface of the first fixed frame is contacted with the top of the inner wall of the reinforcing frame, the surface of the second fixed frame is contacted with the bottom of the inner wall of the reinforcing frame, rubber pads are fixedly connected to the two sides and the top of the inner cavity of the first fixed frame, and an opening is formed in the bottom of the first fixed frame. This on-vehicle backlight unit and well accuse display screen can carry out fine protection to display screen and backlight unit, and in the in-process that the car was traveling can carry out the buffering of certain degree and not take place not hard up in a while, great improvement user's use experience, reduced the car noise, increased holistic life, the practicality is strong, whole leakproofness is strong, light and dust can not enter into in first fixed frame and the fixed frame of second.

However, when the present inventors embodied this device, the following drawbacks were found to exist: the fixing frame is matched with the rubber pad to realize the clamping and fixing assembly of the vehicle-mounted display screen, but if the fixing frame with a large size is made of aluminum-zinc plating materials, the fixing frame is very easy to deform due to the internal stress effect of the aluminum-zinc plating materials, and the backlight assembly installed in the fixing frame is extruded and damaged, so that the product problem is caused. So the vehicle-mounted product mainly pushes the stainless steel material; a few small-size vehicle-mounted products are made of aluminum-zinc plating materials; however, the stainless steel fixed frame has high price, high production cost and certain use limitation.

Disclosure of Invention

Based on this, it is necessary to provide a large-size iron stand, backlight module and vehicle-mounted display screen to the above-mentioned technical problem, under the circumstances that the fixed frame adopted aluminized zinc material, act on the effort to backlight unit department to fixed frame internal stress weaken, effectively reduce the fixed frame because of the influence that the material deformation caused backlight unit, effectively reduce manufacturing cost.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a large-size iron stand, a backlight module and a vehicle-mounted display screen are applied to the field of vehicle-mounted displays.

The large-size iron stand, the backlight module and the vehicle-mounted display screen specifically comprise:

the fixing frame is provided with four groups of folds perpendicular to the fixing frame, the fixing frame and the four groups of folds enclose a mounting cavity, and the fixing frame is made of aluminum-zinc plated materials;

an inner groove is formed in the inner bottom wall of the mounting cavity and close to the four groups of folded edges; the fixing frame, the four groups of folded edges and the inner groove are molded at one time.

As a preferred implementation mode of the large-size iron frame, elastic limiting components are arranged at the folded edges close to the upper part and the lower part of the fixed frame; the elastic limiting component comprises a clamping piece hinged in the strip-shaped mounting groove and an elastic piece for providing pushing force for one end of the clamping piece far away from the hinged position of the strip-shaped mounting groove; the elastic piece can adopt a spring, a spring piece or an elastic rubber block and the like.

As a preferred embodiment of the large-size iron stand provided by the utility model, the elastic piece comprises a metal elastic piece with a convex middle part, and the clamping piece is elastically connected with the fixed frame through the metal elastic piece.

In a preferred embodiment of the large-size iron stand provided by the utility model, the clamping piece and the fixing frame are provided with clamping grooves matched with the metal elastic pieces.

As a preferred implementation mode of the large-size iron frame provided by the utility model, the iron frame further comprises a fastening bolt, a through hole is formed in the middle bulge of the metal elastic sheet, and the fastening bolt penetrates through the through hole and is screwed on the fixing frame.

As a preferable implementation mode of the large-size iron frame provided by the utility model, the clamping piece is adhered with a rubber strip.

As a preferred implementation mode of the large-size iron frame provided by the utility model, the joint of two adjacent folded edges is provided with a notch, a group of folded edges close to the upper part of the fixed frame is provided with a yielding groove, and a group of folded edges are provided with through holes.

As a preferable implementation mode of the large-size iron frame provided by the utility model, the depth of the inner groove is 0.3-0.6cm, and the width of the inner groove is 0.4-0.6cm.

A preferred embodiment of the backlight assembly according to the present utility model includes a backlight module body, and is characterized by further including the large-sized iron frame as described above.

The preferred implementation mode of the vehicle-mounted display screen provided by the utility model comprises a display screen body and is characterized by further comprising the backlight module.

Compared with the prior art, the utility model has the following beneficial effects:

according to the large-size iron frame, the backlight module and the vehicle-mounted display screen, after the backlight module is installed in the installation cavity, the four groups of folded edges are respectively in close contact with the peripheral edges of the backlight module, when internal stress is generated on the fixing frame of the large-size iron frame, the acting force of the part can be weakened through the inner grooves, so that the transmission of the internal stress to the folded edges is reduced, the acting force of the folded edges on the backlight module due to the internal stress is reduced, the influence of the material deformation of the fixing frame on the backlight module is effectively reduced, the fixing frame on the large-size iron frame is made of aluminum-zinc plated materials, the widely applied stainless steel materials are replaced, the problem of internal stress is solved, and the damage of the backlight module is effectively reduced.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an isometric view of the present utility model;

FIG. 2 is a schematic diagram of a rear view structure according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 2;

FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 2;

FIG. 5 is a schematic view of a partial enlarged structure at B in FIG. 3;

the labels in the figures are illustrated below: 1. a fixed frame; 2. folding edges; 3. an inner groove; 4. a clamping piece; 5. a metal spring plate; 6. a clamping groove; 7. a fastening bolt; 8. a rubber strip; 9. a notch portion; 10. a relief groove; 11. and (5) a through hole.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

If the vehicle-mounted backlight module and the central control display screen of the background art are assembled fixedly by the mode that the fixed frame 1 is matched with the rubber pad, but if the fixed frame 1 with a large size is made of aluminum-zinc plating materials, the backlight module is easy to deform due to the internal stress effect of the aluminum-zinc plating materials, and the backlight module installed in the fixed frame 1 is extruded and damaged, so that the product problem is caused. So the vehicle-mounted product mainly pushes the stainless steel material; a few small-size vehicle-mounted products are made of aluminum-zinc plating materials; however, the stainless steel fixed frame 1 has high price, high production cost and certain use limitation.

In order to solve the technical problem, the utility model provides a large-size iron frame, a backlight module and a vehicle-mounted display screen, which are applied to the field of vehicle-mounted displays.

Specifically, please refer to the figure, the large-size iron stand specifically includes:

the fixing frame 1, four groups of folds 2 perpendicular to the fixing frame 1 are arranged around the fixing frame 1, the fixing frame 1 and the four groups of folds 2 are enclosed to form an installation cavity, and the fixing frame 1 is made of aluminum-zinc plating materials;

an inner groove 3 is formed in the inner bottom wall of the mounting cavity and close to the four groups of folded edges 2; the fixed frame 1, the four groups of folded edges 2 and the inner groove 3 are molded by one-step compression.

According to the large-size iron frame provided by the utility model, after the backlight module is installed in the installation cavity, the four groups of the folded edges 2 are respectively in close contact with the peripheral edges of the backlight module, when the fixing frame of the large-size iron frame generates internal stress, the acting force of the part can be weakened through the inner groove 3, so that the transmission of the internal stress to the folded edges 2 is reduced, the acting force of the folded edges 2 on the backlight module due to the internal stress is reduced, the influence of the material deformation of the fixing frame 1 on the backlight module is effectively reduced, the fixing frame 1 on the large-size iron frame is made of aluminum-zinc plated materials instead of widely applied stainless steel materials, and the production cost is effectively reduced while the damage of the backlight module due to the internal stress problem is overcome.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 1-3, an iron stand, a backlight module and a vehicle-mounted display screen with large size are provided, and elastic limit components are arranged at the positions of the folded edges 2 near the upper part and the lower part of the fixed frame 1; the fixing frame 1 is provided with a strip-shaped mounting groove, and the elastic limiting component comprises a clamping piece 4 which is hinged in the strip-shaped mounting groove and an elastic piece which provides a pushing force for one end of the clamping piece 4, which is far away from the hinged position of the strip-shaped mounting groove; the elastic piece can be a spring, a spring piece or an elastic rubber block.

Under the effect of the elastic limiting component, the elastic connection between the backlight module and the folded edge 2 and the fixed frame 1 is realized, the clamping piece 4 can be adaptively moved and adjusted in an elastic range at one end in the installation or disassembly process of the backlight module, so that the installation and disassembly convenience of the backlight module at the large-size iron frame is improved, the situation that jolt and the like easily occur in the vehicle driving process, the situation that the upper part and the lower part of the backlight module in the large-size iron frame are easily impacted to damage occurs in the jolt process, the impact force in the jolt process can be slowly released and weakened under the effect of the elastic limiting component, and the damage rate of the jolt impact force to the backlight module installed in the large-size iron frame is prevented, so that a certain protection effect is achieved on the backlight module.

More specifically, the flange 2 is provided with a clamping protrusion, and the clamping assembly of the large-size iron frame and the external vehicle-mounted central control frame is realized through the clamping protrusion, so that the convenience of mounting and dismounting the large-size iron frame is improved.

Example 2

Further optimizing the large-size iron stand provided in embodiment 1, specifically, as shown in fig. 5, the elastic member includes a metal spring 5 with a convex middle part, and the fastening member 4 is elastically connected with the fixing frame 1 through the metal spring 5. The clamping firmware 4 and the fixed frame 1 are provided with clamping grooves 6 which are matched with the metal spring plates 5; the depth of the clamping groove 6 is 0.4-0.6cm.

Under the action of the metal elastic sheet 5 protruding from the middle part, elastic acting force can be provided for the clamping piece 4 far away from the contact end of the backlight assembly, so that the clamping connection between the clamping piece 4 and the backlight assembly is realized, the volume of the metal elastic sheet 5 is small, and the installation space occupation rate is effectively reduced while the elastic force requirement is met; through draw-in groove 6, can realize effectively spacing to metal shrapnel 5, make the area of contact increase between metal shrapnel 5 and fastener 4 and the fixed frame 1, simultaneously effectively prevent to break away from between metal shrapnel 5 from fixed frame 1 and the fastener 4, and further, can be convenient for assemble and dismantle metal shrapnel 5 between fastener 4 and fixed frame 1, when draw-in groove 6 depth is too shallow, metal shrapnel 5 easily breaks away from in draw-in groove 6, and when draw-in groove 6 degree of depth is too big, be inconvenient for dismantling and installing metal shrapnel 5, draw-in groove 6 degree of depth 0.4-0.6cm can satisfy the spacing demand to metal shrapnel 5, and be convenient for demolish metal shrapnel 5 from draw-in groove 6.

Example 3

Further optimizing the large-size iron stand provided in embodiment 2, specifically, as shown in fig. 5, the iron stand further comprises a fastening bolt 7, wherein a through hole is formed in the middle protrusion of the metal elastic sheet 5, and the fastening bolt 7 penetrates through the through hole and is screwed on the fixed frame 1. The clamping piece 4 is adhered with a rubber strip 8.

According to the large-size iron stand provided by the utility model, the interval between the protruding part of the middle part of the metal elastic sheet 5 and the fixed frame 1 can be adjusted through the fastening bolt 7, so that the elastic force of the metal elastic sheet 5 acting on the clamping piece 4 can be adjusted, the clamping force of the clamping piece 4 on the backlight module can be adjusted according to the actual requirement of a vehicle-mounted display screen, the vibration force reduction requirement of different vehicle types in the running process is met, and the applicability is wider; the rubber strip 8 can make the clamping piece 4 flexibly contact with the backlight module, so as to avoid damage to the backlight module caused by direct hard contact between the clamping piece 4 and the backlight module.

Example 4

Further optimizing the large-size iron stand provided in embodiment 3, specifically, as shown in fig. 1, the connection parts of two adjacent folded edges 2 are provided with notch parts 9, a group of folded edges 2 close to the upper part of the fixed frame 1 are provided with abdication grooves 10, and a group of folded edges 2 are provided with through holes 11. The depth of the inner groove 3 is 0.3-0.6cm, and the width of the inner groove 3 is 0.4-0.6cm.

The notch 9 can block the internal stress between two adjacent folded edges 2, so that the backlight module is prevented from being extruded and damaged due to interference of the internal stress between the folded edges 2; the abdication groove 10 can provide an operation space for hands of operators or external tools when the backlight module is installed and disassembled, the installation and disassembly convenience of the backlight module is improved, the depth of the inner groove 3 is 0.3-0.6cm, the width of the inner groove 3 is 0.4-0.6cm, the internal stress at the position of the fixed frame 1 can be effectively reduced to be transmitted to the folded edge 2 while the structural strength of the large-size iron frame is ensured, the internal stress transmissibility can be reduced to be below 30% within the numerical range, and a good protection effect is achieved for the backlight module installed in the large-size iron frame; while the reserved opening 11 allows the terminals of the mounted external flexible wiring board to pass through.

Example 5

A backlight module comprises a backlight module body and is characterized by further comprising the large-size iron frame in any embodiment.

It should be noted that, in the protection scope of the present patent, the specific composition and the installation form of the backlight module are not further limited, and specific reference may be made to the related prior art, which is not described in detail herein.

Example 6

The vehicle-mounted display screen comprises a display screen body and is characterized by further comprising the backlight module according to the embodiment 5.

It should be noted that the vehicle-mounted display screen provided with the large-size iron stand of any embodiment of the present disclosure also belongs to the protection scope of the present disclosure.

The use process of the large-size iron frame, the backlight module and the vehicle-mounted display screen provided by the utility model is as follows: after the large-size iron stand is horizontally placed, the fastening bolt 7 is loosened through a screwdriver and the like, the elasticity of the metal elastic sheet 5 is reduced, the backlight module and the vehicle-mounted display screen are integrally placed into the mounting cavity, the metal elastic sheet 5 is fastened through the fastening bolt 7, the acting force of the metal elastic sheet 5 on the clamping piece 4 is increased, and therefore the backlight module is clamped and fixed in the mounting cavity, and the backlight module and the vehicle-mounted display screen are integrally assembled.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (10)

1. A large-size iron stand, characterized in that it comprises:

the fixing frame (1), four groups of folds (2) perpendicular to the fixing frame (1) are arranged around the fixing frame (1), the fixing frame (1) and the four groups of folds (2) enclose a mounting cavity, and the fixing frame (1) is made of aluminum-zinc plating materials;

an inner groove (3) is formed in the inner bottom wall of the mounting cavity and close to the four groups of folded edges (2); the fixing frame (1), the four groups of folded edges (2) and the inner groove (3) are molded by one-step compression.

2. The large-size iron stand according to claim 1, characterized in that elastic limit components are mounted near the folds (2) of the upper and lower parts of the fixed frame (1); the fixing frame (1) is provided with a strip-shaped mounting groove, and the elastic limiting assembly comprises a clamping piece (4) hinged in the strip-shaped mounting groove and an elastic piece for providing pushing force for one end, away from the hinge position of the clamping piece (4), of the strip-shaped mounting groove.

3. The large-size iron stand according to claim 2, wherein the elastic piece comprises a metal spring piece (5) with a convex middle part, and the clamping piece (4) is elastically connected with the fixed frame (1) through the metal spring piece (5).

4. A large-sized iron stand according to claim 3, characterized in that the clamping piece (4) and the fixed frame (1) are provided with clamping grooves (6) which are matched with the metal spring pieces (5).

5. The large-size iron stand according to claim 4, further comprising a fastening bolt (7), wherein a through hole is formed in the middle protrusion of the metal elastic sheet (5), and the fastening bolt (7) penetrates through the through hole and is screwed on the fixed frame (1).

6. The large-size iron stand according to claim 2, characterized in that the clamping piece (4) is adhered with a rubber strip (8).

7. The large-size iron stand according to claim 1, wherein the joint of two adjacent folded edges (2) is provided with a notch (9), a group of folded edges (2) close to the upper part of the fixed frame (1) is provided with a yielding groove (10), and a through hole (11) is formed in the group of folded edges (2).

8. The large-sized iron stand according to claim 1, characterized in that the depth of the inner groove (3) is 0.3-0.6cm, and the width of the inner groove (3) is 0.4-0.6cm.

9. A backlight module comprising a backlight module body, further comprising a large-sized iron stand according to any one of claims 1-8.

10. A vehicle-mounted display screen comprising a display screen body, and further comprising the backlight module of claim 9.