CN217982077U

CN217982077U - Backlight source with buffering protective structure

Info

Publication number: CN217982077U
Application number: CN202222336556.0U
Authority: CN
Inventors: 刘明月
Original assignee: Shenzhen Wanxin Precision Industry Co ltd
Current assignee: Shenzhen Wanxin Precision Industry Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-06
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a backlight with buffering protective structure relates to backlight technical field. Including the backlight body and the buffering unit of setting at the backlight body back, the buffering unit includes the mount and sets up the buffering portion in the mount upper end, and the mount upper end still is provided with the portion of lifting, and the portion of lifting is linked together at the mount inside with buffering portion, the utility model provides an when the backlight is installed, usually protect the corner of backlight, if striking backlight middle part, cause the cracked technical problem of backlight easily, through the lifter of pushing down buffering portion, and then limiting plate and the rubber shim of lower extreme push down, after the inside back that pushes down of cushion chamber, the inside pressure of cushion chamber changes, and the limiting plate that will lift the intracavity portion through the intercommunication chamber rises, and the portion of lifting supports the backlight body when receiving the striking.

Description

Backlight source with buffering protective structure

Technical Field

The utility model belongs to the technical field of the backlight, more specifically says, relates to a backlight with buffering protective structure.

Background

The backlight source is a light source located behind a Liquid Crystal Display (LCD), and its luminous effect will directly affect the visual effect of the liquid crystal display module (LCM). The liquid crystal display does not emit light itself, and it displays a pattern or its result of modulating light. The backlight source mainly comprises a light source, a light guide plate, an optical die sheet and a structural member.

However, when the backlight source is installed, the corners of the backlight source are usually protected, if the corners of the backlight source are impacted to the middle of the backlight source, the backlight source is easy to break because the middle of the backlight source is not provided with a buffering and supporting structure, the use is inconvenient, and the protection is not comprehensive enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome among the prior art when the backlight installation, generally protect the corner of backlight, if striking backlight middle part, cause the cracked condition of backlight easily, provide a backlight with buffering protective structure to it is not enough to solve above, facilitate the use.

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a backlight with buffering protective structure, including the backlight body and the buffer unit of setting at the backlight body back, buffer unit includes the mount and sets up the buffering portion in the mount upper end, and the mount upper end still is provided with the portion of lifting, and the portion of lifting and buffering portion are linked together inside the mount.

Preferably, the inside of the fixing frame is provided with a buffer cavity and a lifting cavity arranged in the fixing frame, and the bottoms of the buffer cavity and the lifting cavity are connected through a communicating cavity.

Preferably, the buffer unit is divided into three parts, wherein the buffer cavity of each part of the buffer part is communicated with the lifting cavity of the lifting part, and the adjacent buffer cavity and the lifting cavity are connected through the dispersion pipe.

Preferably, the buffering portion includes the lifter and sets up at lifter upper end locating plate, and the lower extreme of lifter is provided with the limiting plate, and the lower extreme of limiting plate is provided with the rubber gasket.

Preferably, the top of the buffer part and the top of the lifting part are both provided with a protective pad A which is a part made of elastic silica gel material.

Preferably, the limiting plate of the buffering part is arranged at the top of the upper end of the buffering cavity, the limiting plate of the lifting part is arranged at the bottom of the inner cavity of the lifting cavity, and the upper end of the lifting rod of the buffering part is provided with a return spring which is convenient for the lifting rod to return.

Preferably, the top of the buffer cavity and the top of the lifting cavity are both provided with sealing parts, and the sealing parts are sleeved outside the lifting rod.

Preferably, the backlight body includes the spud that the mounting panel and the mounting panel back set up, and the upper end of spud is encircleed and is installed protection pad B.

Preferably, the two sides of the positioning pile are provided with accommodating grooves, the accommodating grooves are internally provided with movable clamping blocks, and the inner sides of the movable clamping blocks are provided with telescopic springs.

Preferably, the notch has been seted up to the upper end of buffering portion, has seted up positioning channel groove in the notch of the buffering portion of mounting panel four corners is inside, and the both sides of locating plate are provided with movable mounting's extruded article, and the extruded article is linked together with positioning channel groove is inside.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) The utility model discloses a backlight with buffering protective structure, when the backlight body receives the collision, receive extruded one end backlight body and descend, push down the lifter of buffering portion, and then limiting plate and the rubber gasket of lower extreme push down, after pushing down in the inside back that pushes down of cushion chamber, the inside pressure of cushion chamber changes, the limiting plate that will lift the intracavity portion through the intercommunication chamber rises, lifting portion supports the backlight body when receiving the striking, and the resistance when descending through reset spring and lifter cushions the backlight body, the dynamics that receives the striking is if great, lifting portion and buffering portion can support the backlight body simultaneously, support and protect the backlight body, avoid leading to the backlight body to damage because of external force collision, buffering portion can support backlight body four corners, lifting portion can support the middle part of backlight body and support more comprehensively.

(2) The utility model discloses a backlight with buffering protective structure, when connecting backlight body and buffering unit, the spud pile inserts inside the notch of buffering portion upper end, the removal fixture block card of the inside both sides of spud pile is gone into inside positioning channel section, and then it is firm to connect backlight body and buffering unit, the protection is filled up A and is protected and fill up the laminating of B when connecting, also can play the effect of protecting the backlight body, if need separate backlight body and buffering unit, press the extruded article, the extruded article will remove the fixture block extrusion and break away from positioning channel section, can separate backlight body and buffering unit, and is simple in operation, and the dismantlement is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the buffering unit structure of the present invention;

FIG. 3 is a schematic view of the installation structure of the buffer part and the lifting part of the present invention;

fig. 4 is a schematic view of the connection structure of the lifting cavity of the present invention;

FIG. 5 is a schematic view of the backlight body of the present invention;

fig. 6 is a schematic view of the positioning pile structure of the present invention;

fig. 7 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a backlight source body; 11. mounting a plate; 12. positioning the pile; 121. a storage groove; 122. moving the clamping block; 123. a tension spring; 13. a protective pad B; 2. a buffer unit; 21. a fixed mount; 211. a buffer chamber; 212. a lifting cavity; 213. a communicating cavity; 214. a sealing part; 215. a dispersion pipe; 22. a buffer section; 221. a lifting rod; 222. positioning a plate; 223. a limiting plate; 224. a rubber gasket; 225. a protective pad A; 226. a return spring; 227. a notch; 228. positioning the clamping groove; 229. an extrusion; 23. a lifting part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

With reference to fig. 1, the utility model discloses a backlight with buffering protective structure, including can giving out light, backlight body 1 and the buffer unit 2 that is used for fixing backlight body 1 that sets up at the backlight body 1 back, buffer unit 2 and backlight body 1 swing joint, buffer unit 2 is connected with backlight body 1 installation machine case through fixed foot.

The present invention will be further described with reference to the following examples.

Example 1

Referring to fig. 1-4, the buffer unit 2 includes a fixing frame 21 for connecting with the chassis and a buffer portion 22 disposed at the upper end of the fixing frame 21 for buffering, a movable lifting portion 23 is further disposed at the upper end of the fixing frame 21, and the lifting portion 23 is communicated with the buffer portion 22 inside the fixing frame 21.

The inside of the fixed frame 21 is provided with a buffer cavity 211 for installing the buffer part 22 and a lifting cavity 212 arranged inside the fixed frame 21 for installing the lifting part 23, the bottoms of the buffer cavity 211 and the lifting cavity 212 are connected through a communication cavity 213, the tops of the buffer cavity 211 and the lifting cavity 212 are respectively provided with a sealing part 214 capable of avoiding internal pressure leakage, the sealing part 214 is sleeved outside the lifting rod 221 and is movably connected with the lifting rod 221, the buffer unit 2 is divided into three parts, wherein the buffer cavity 211 of each part of the buffer part 22 is communicated with the lifting cavity 212 of the lifting part 23, and the adjacent buffer cavity 211 and the lifting cavity 212 are connected through a dispersion pipe 215.

The lifting part 23 and the buffering part 22 are composed of the same components, the buffering part 22 comprises a lifting rod 221 for supporting the backlight source body 1 and a positioning plate 222 arranged at the upper end of the lifting rod 221 and connected with the backlight source body 1, the lower end of the lifting rod 221 is provided with a limiting plate 223 matched with the size of the buffering cavity 211 and the lifting cavity 212, the lower end of the limiting plate 223 is provided with a rubber gasket 224 for conveniently sealing the limiting plate 223, the tops of the buffering part 22 and the lifting part 23 are both provided with a protective pad A225, and the protective pad A225 is a component made of elastic silica gel materials.

The limit plate 223 of the buffer part 22 is arranged at the top of the upper end of the buffer cavity 211, the limit plate 223 of the lifting part 23 is arranged at the bottom of the inner cavity of the lifting cavity 212, and the upper end of the lifting rod 221 of the buffer part 22 is surrounded with a return spring 226 which facilitates the return of the lifting rod 221.

When the backlight body 1 is collided, the backlight body 1 at one end which is extruded descends, the lifting rod 221 of the buffer part 22 is pressed downwards, then the limiting plate 223 and the rubber gasket 224 at the lower end are pressed downwards, after the buffer cavity 211 is pressed downwards, the pressure inside the buffer cavity 211 is changed, the limiting plate 223 inside the lifting cavity 212 is lifted through the communicating cavity 213, the lifting part 23 supports the backlight body 1 when impacted, and the backlight body 1 is buffered through the resistance when the reset spring 226 and the lifting rod 221 descend, if the force which is impacted is large, the lifting part 23 and the buffer part 22 can simultaneously support the backlight body 1, the backlight body 1 is supported and protected, the damage of the backlight body 1 caused by the impact of external force is avoided, the buffer part 22 can support four corners of the backlight body 1, and the lifting part 23 can support and support the middle part of the backlight body 1 more comprehensively.

Example 2

Referring to fig. 5 to 7, the backlight body 1 includes a mounting plate 11 for fixing and a positioning post 12 provided on the back of the mounting plate 11 for connecting with the buffer unit 2, and a protection pad B13 fitted with the protection pad a225 is mounted around the upper end of the positioning post 12.

The two sides of the positioning pile 12 are provided with accommodating grooves 121, a movable clamping block 122 capable of extending and retracting is arranged in the accommodating groove 121, the movable clamping block 122 is arranged in a triangular shape, and an extension spring 123 capable of driving the movable clamping block 122 to reset is arranged on the inner side of the movable clamping block 122.

The upper end of the buffering portion 22 is provided with a notch 227 for installing the positioning pile 12, a positioning clamping groove 228 for installing the movable clamping block 122 is formed in the notch 227 of the buffering portion 22 installed at four corners of the installation plate 11, two sides of the positioning plate 222 are provided with movably installed extrusion pieces 229 for pushing the movable clamping block 122, and the extrusion pieces 229 are communicated with the positioning clamping groove 228.

When connecting backlight body 1 and buffer unit 2, spud 12 inserts inside the notch 227 of the upper end of buffering portion 22, the removal fixture block 122 card of the inside both sides of spud 12 is gone into inside positioning slot 228, and then it is firm to connect backlight body 1 and buffer unit 2, protection pad A225 and protection pad B13 laminating when connecting, also can play the effect of protecting backlight body 1, if need separate backlight body 1 and buffer unit 2, press extrusion spare 229, extrusion spare 122 will be removed and fixture block 122 extrusion breaks away from positioning slot 228, can separate backlight body 1 and buffer unit 2, and the operation is simple, and convenient dismounting.

In summary, the following steps: when the backlight body 1 is collided, the one end of the backlight body 1 which is squeezed descends, the lifting rod 221 of the buffer part 22 is pressed down, the limiting plate 223 and the rubber gasket 224 at the lower end are pressed down, after the inside of the buffer cavity 211 is pressed down, the pressure inside the buffer cavity 211 changes, the limiting plate 223 inside the lifting cavity 212 ascends through the communicating cavity 213, the lifting part 23 supports the backlight body 1 when being impacted, and buffers the backlight body 1 through the resistance when the reset spring 226 and the lifting rod 221 descend, if the force which is impacted is large, the lifting part 23 and the buffer part 22 can simultaneously support the backlight body 1, support and protect the backlight body 1, avoid the backlight body 1 from being damaged due to external force impact, the buffer part 22 can support the four corners of the backlight body 1, the lifting part 23 can support and support the middle part of the backlight body 1 more comprehensively, when the backlight body 1 and the buffer unit 2 are connected, the positioning pile 12 is inserted into the notch 227 of the buffer part 22, the movable part 122 at the two sides inside of the positioning pile 12 is clamped into the positioning block 228, and then the main body 1 and the buffer block 2 are connected, the protection block unit 229, the main body can be separated from the buffer unit 2, and the extrusion block 13, and the protection unit, the extrusion block 13 can be detached easily, and the protection unit, and the protection block 13 can be detached when the extrusion block 13 is connected, and the extrusion block 2, and the extrusion block can be detached easily.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a backlight with buffering protective structure, includes backlight body (1) and sets up at the buffer unit (2) at backlight body (1) back, its characterized in that: the buffer unit (2) comprises a fixed frame (21) and a buffer part (22) arranged at the upper end of the fixed frame (21), a lifting part (23) is further arranged at the upper end of the fixed frame (21), and the lifting part (23) is communicated with the buffer part (22) in the fixed frame (21).

2. The backlight source with the buffering protective structure as claimed in claim 1, wherein: the inside of mount (21) is provided with cushion chamber (211) and sets up lifting chamber (212) inside mount (21), and the bottom in cushion chamber (211) and lifting chamber (212) is connected through intercommunication chamber (213).

3. The backlight source with the buffering protective structure as claimed in claim 2, wherein: the buffer unit (2) is divided into three parts, wherein a buffer cavity (211) of each part of the buffer part (22) is communicated with a lifting cavity (212) of the lifting part (23), and the adjacent buffer cavities (211) and lifting cavities (212) are connected through dispersion pipes (215).

4. The backlight source with the buffering protective structure as claimed in claim 3, wherein: the buffer part (22) comprises a lifting rod (221) and a positioning plate (222) arranged at the upper end of the lifting rod (221), a limiting plate (223) is arranged at the lower end of the lifting rod (221), and a rubber gasket (224) is arranged at the lower end of the limiting plate (223).

5. The backlight with the buffering protective structure as claimed in claim 4, wherein: the top of buffer portion (22) and lifting portion (23) all is provided with protection pad A (225), and protection pad A (225) is the part that an elasticity silica gel material made.

6. The backlight source with the buffering protective structure as claimed in claim 5, wherein: the limiting plate (223) of buffer portion (22) sets up at the upper end top of cushion chamber (211), and limiting plate (223) of lifting portion (23) set up in the inner chamber bottom that lifts chamber (212), and the return spring (226) that make things convenient for lifter (221) to reset are installed around to lifter (221) upper end of buffer portion (22).

7. The backlight with the buffering protection structure as claimed in claim 6, wherein: the top of the buffer cavity (211) and the top of the lifting cavity (212) are both provided with sealing parts (214), and the sealing parts (214) are sleeved on the outer side of the lifting rod (221).

8. The backlight source with the buffering protective structure as claimed in claim 7, wherein: backlight body (1) includes mounting panel (11) and spud (12) that mounting panel (11) back set up, and the upper end of spud (12) is encircleed and is installed protection pad B (13).

9. The backlight source with the buffering protective structure as claimed in claim 8, wherein: the two sides of the positioning pile (12) are provided with accommodating grooves (121), a movable clamping block (122) is arranged in each accommodating groove (121), and the inner side of each movable clamping block (122) is provided with a telescopic spring (123).

10. The backlight source with the buffering protective structure as claimed in claim 9, wherein: notch (227) have been seted up to the upper end of buffer portion (22), have seted up location draw-in groove (228) in notch (227) of buffer portion (22) of installing in mounting panel (11) four corners, the both sides of locating plate (222) are provided with movable mounting's extruded article (229), extruded article (229) and location draw-in groove (228) are inside to be linked together.