CN202229096U - Clamping mechanism of back board and rubber frame in backlight module - Google Patents

Clamping mechanism of back board and rubber frame in backlight module Download PDF

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Publication number
CN202229096U
CN202229096U CN2011203524759U CN201120352475U CN202229096U CN 202229096 U CN202229096 U CN 202229096U CN 2011203524759 U CN2011203524759 U CN 2011203524759U CN 201120352475 U CN201120352475 U CN 201120352475U CN 202229096 U CN202229096 U CN 202229096U
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CN
China
Prior art keywords
groove
draw
trip
plastic cement
cement frame
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011203524759U
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Chinese (zh)
Inventor
李青松
詹志铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Radiant Opto Electronics Nanjing Co Ltd
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Radiant Opto Electronics Nanjing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN2011203524759U priority Critical patent/CN202229096U/en
Application granted granted Critical
Publication of CN202229096U publication Critical patent/CN202229096U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a clamping mechanism of a back board and a rubber frame in a backlight module, which comprises the back board and the rubber frame, and also comprises a clamping tenon, a clamping slot and a deformation slot, wherein the clamping tenton is positioned at the side of the back board, the clamping slot and the deformation slot are positioned at the same side of the rubber frame, and the clamping tenon is detachably fixed in the clamping slot. By the clamping mechanism, the back board and the rubber frame can be tightly connected, so that the condition that back board and the rubber frame jump from each other to be dropped when being assembled can be avoided, and the yield of the product of the backlight module is improved.

Description

A kind of snap fastener that is used for module dorsulum backlight and plastic cement frame
Technical field
The utility model relates to the snap fastener between the parts in a kind of module backlight, specifically, relates to a kind of snap fastener that is used for module dorsulum backlight and plastic cement frame.
Background technology
In existing module backlight, connect between backboard and the plastic cement frame and adopt grab buckle connected mode.Specifically, as depicted in figs. 1 and 2, in the junction of two adjacent plate faces of backboard " L " shape through hole is set.On side of plastic cement frame and bottom surface, L-shaped trip is set, this trip partly is positioned on the side of plastic cement frame, and remainder is positioned at the bottom surface of plastic cement frame.During use, directly trip that is provided with on the plastic cement frame and the through hole buckle on the backboard are got final product.This hook structure is in case of bending, fastens two adjacent sides that the position is positioned at backboard and plastic cement frame simultaneously.When adopting this grab buckle structure to assemble module backlight, occur the gap easily between backboard and the plastic cement frame, cause backboard and the mutual escape of plastic cement frame, thereby cause product defective.
The utility model content
Technical problem: the utility model technical problem to be solved is: a kind of snap fastener that is used for module dorsulum backlight and plastic cement frame is provided; Make backboard be connected closely with the plastic cement frame; Avoid backboard and plastic cement frame the mutual escape of time marquis, improve the qualification rate of module product backlight in assembling.
Technical scheme: for solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of snap fastener that is used for module dorsulum backlight and plastic cement frame comprises backboard and plastic cement frame, also comprises trip, draw-in groove and distortion groove, and described trip is positioned at the side of backboard; Described draw-in groove and distortion groove are positioned at the same side of plastic cement frame, and trip is dismountable to be fixed in the draw-in groove.
Further, described draw-in groove is " U " shape, on the inwall of draw-in groove both sides, is provided with relative a pair of lug.
Beneficial effect: compared with prior art, the utlity model has following beneficial effect:
1. backboard is connected closely with the plastic cement frame, and backboard and plastic cement frame are at the mutual escape of time Hou Buhui of assembling, and the qualification rate of module product backlight improves.In the prior art, adopt the grab snap device to connect backboard and plastic cement frame, occur the gap easily between backboard and the plastic cement frame, thereby cause backboard and plastic cement frame easy escape when assembling.In the present technique scheme, trip is arranged on the side of backboard, and draw-in groove is arranged on the side of plastic cement frame.Trip and draw-in groove all are not positioned on two sides simultaneously.Backboard after the installation is connected closely with the plastic cement frame, is difficult for producing the space.Location between backboard and the plastic cement frame is very firm, can not produce the escape phenomenon, thereby improve the qualification rate of module product backlight.
2. it is convenient to install.In the present technique scheme, when draw-in groove is set, also be provided with the distortion groove.When the size of the size of slotting less than trip, when trip can't directly insert in the draw-in groove, through the crimp groove, the size expansion with draw-in groove made trip to stretch in the draw-in groove.This kind mounting means is very convenient.
3. detect easily.In a large amount of processes of producing module backlight, if when the trip in the present technique scheme does not snap in draw-in groove, frame of plastic will arch upward, just check with the operating personnel.
Description of drawings
Fig. 1 is the structural representation of the backboard described in the background technology.
Fig. 2 is the structural representation of the plastic cement frame described in the background technology.
Fig. 3 is the structural representation of the utility model.
Fig. 4 is the front view of plastic cement frame in the utility model.
Fig. 5 is the front view of the backboard in the utility model.
Have among the figure: backboard 1, plastic cement frame 2, trip 3, draw-in groove 4, distortion groove 5, lug 6.
The specific embodiment
Below in conjunction with accompanying drawing, the technical scheme of the utility model is carried out detailed explanation.
To shown in Figure 5, a kind of snap fastener that is used for module dorsulum backlight and plastic cement frame of the utility model comprises backboard 1, plastic cement frame 2, trip 3, draw-in groove 4 and distortion groove 5 like Fig. 3.Trip 3 is positioned at the side of backboard 1.Draw-in groove 4 and distortion groove 5 are positioned at the same side of plastic cement frame 2, trip 3 dismountable being fixed in the draw-in groove 4.
During installation, directly can accomplish being connected of module dorsulum backlight and plastic cement frame in the trip 3 insertion draw-in grooves 4 with backboard 1.When the size of fluting 4 size less than trip 3, when trip 3 can't directly insert in the draw-in groove 4,, the size of draw-in groove 4 is enlarged through crimp groove 5, make trip 3 can stretch in the draw-in groove 4.Moving of trip 3 in the draw-in groove 4 restriction insertion draw-in grooves 4 is fixed in the draw-in groove 4 trip 3.When needs are dismantled, directly trip 3 is extracted out from draw-in groove 4.In the snap fastener of this structure, trip 3 is arranged on the side of backboard 1, and draw-in groove 4 is arranged on the side of plastic cement frame 2.Trip 3 all is not positioned on two sides with draw-in groove 4 simultaneously.Just be difficult for producing the space between backboard after installing like this and the plastic cement frame.Location between backboard and the plastic cement frame is just very firm, can not produce the escape phenomenon, thereby improve the qualification rate of module product backlight.
Further, described draw-in groove 4 is " U " shape, on the inwall of draw-in groove 4 both sides, is provided with relative a pair of lug 6.The shape of draw-in groove 4 can be various, but be good with " U " shape." U " shape draw-in groove 4 is made the size that can conveniently regulate draw-in groove 4 on the other hand on the one hand easily.On the inwall of draw-in groove 4 both sides, be provided with a pair of lug 6.Lug 6 can prevent that trip 3 from shifting out from the openend of draw-in groove 4 to inserting trip 3 location in the draw-in groove 4.The cross section of described lug 6 is good to be arc surface, and the distance between two lug 6 tops is 4/5ths of trip 3 diameters.Can guarantee certain amount of interference like this, be convenient to engage or take out operation again.
Further, trip 3 is cylinder.The shape of trip 3 can be various, is good with cylinder still.See on the cross section: the anchor point of cylindrical trip 3 in draw-in groove 4 is three points, and wherein, a point is positioned on draw-in groove 4 inwalls, and all the other two points lay respectively on two lugs 6.Therefore, the location of cylindrical trip 3 in draw-in groove 4 is more firm.Certainly, on manufacturing process, cylindrical trip 3 also is very easy to make.
Further, described trip 3 contacts with two lugs 6 with the top of draw-in groove 4 in draw-in groove 4, forms three contact points, and the diameter of a circle that these three contact points constitute is with the equal diameters of trip 3.For easy for installation, to avoid being out of shape groove 5 and produce excessive size distortion, the diameter of trip 3 is equal with the diameter of a circle that is made up of the contact point of trip 3 in draw-in groove 4.Like this, when mounted, draw-in groove 4 is as long as distortion a little can make trip 3 insert in the draw-in groove 4.
Further, described distortion groove 5 is two, is positioned at the both sides of draw-in groove 4.In order to guarantee that trip 3 can insert in the draw-in groove 4, arrange a distortion groove 5 respectively in the both sides of draw-in groove 4.Like this, on the one hand draw-in groove 4 has enough size variables, and on the other hand when draw-in groove 4 produces deformation, draw-in groove 4 is simultaneously to the distortion groove 5 generation extruding forces of both sides, whole plastic cement frame 2 stressed more even.
The core of the utility model is, through on a side of backboard 1, trip 3 being set, draw-in groove 4 and distortion groove 5 is set on a side of plastic cement frame 2, makes when trip 3 is fixed in the draw-in groove 4, can not produce the space between plastic cement frame 2 and the backboard 1.The content of the above-mentioned specific embodiment only is the explanation to the present technique scheme.The non-creativeness that any those skilled in the art carry out according to the present technique scheme improves, and all belongs to the protection domain of this patent.

Claims (6)

1. a snap fastener that is used for module dorsulum backlight and plastic cement frame comprises backboard (1) and plastic cement frame (2), it is characterized in that, also comprises trip (3), draw-in groove (4) and distortion groove (5), and described trip (3) is positioned at the side of backboard (1); Described draw-in groove (4) and distortion groove (5) are positioned at the same side of plastic cement frame (2), and trip (3) is dismountable to be fixed in the draw-in groove (4).
2. according to the described snap fastener that is used for module dorsulum backlight and plastic cement frame of claim 1, it is characterized in that described draw-in groove (4) is " U " shape, on the inwall of draw-in groove (4) both sides, be provided with relative a pair of lug (6).
3. according to the described snap fastener that is used for module dorsulum backlight and plastic cement frame of claim 2, it is characterized in that the cross section of described lug (6) is arc surface, and the distance between two lugs (6) top is 4/5ths of trip (a 3) diameter.
4. according to claim 2 or the 3 described snap fasteners that are used for module dorsulum backlight and plastic cement frame, it is characterized in that described trip (3) is cylinder.
5. according to the described snap fastener that is used for module dorsulum backlight and plastic cement frame of claim 4; It is characterized in that; Described trip (3) contacts with two lugs (6) with the top of draw-in groove (4) in draw-in groove (4); Form three contact points, the diameter of a circle that these three contact points constitute is with the equal diameters of trip (3).
6. according to the described snap fastener that is used for module dorsulum backlight and plastic cement frame of claim 1, it is characterized in that described distortion groove (5) is two, is positioned at the both sides of draw-in groove (4).
CN2011203524759U 2011-09-20 2011-09-20 Clamping mechanism of back board and rubber frame in backlight module Expired - Lifetime CN202229096U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203524759U CN202229096U (en) 2011-09-20 2011-09-20 Clamping mechanism of back board and rubber frame in backlight module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203524759U CN202229096U (en) 2011-09-20 2011-09-20 Clamping mechanism of back board and rubber frame in backlight module

Publications (1)

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CN202229096U true CN202229096U (en) 2012-05-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102734759A (en) * 2012-07-04 2012-10-17 深圳市华星光电技术有限公司 Backlight module, connecting component and mounting and dismounting method thereof
CN111386423A (en) * 2018-10-12 2020-07-07 瑞仪光电(苏州)有限公司 Lamp, lamp system and assembling method of lamp system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102734759A (en) * 2012-07-04 2012-10-17 深圳市华星光电技术有限公司 Backlight module, connecting component and mounting and dismounting method thereof
CN111386423A (en) * 2018-10-12 2020-07-07 瑞仪光电(苏州)有限公司 Lamp, lamp system and assembling method of lamp system
US11635565B2 (en) 2018-10-12 2023-04-25 Radiant Opto-Electron Ics (Suzhou) Co., Ltd. Lamp, hanging transparent lamp and lamp system

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Granted publication date: 20120523