CN102563315A - Liquid crystal television wall-mounting fixing structure and manufacturing method thereof - Google Patents
Liquid crystal television wall-mounting fixing structure and manufacturing method thereof Download PDFInfo
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- CN102563315A CN102563315A CN2011103179202A CN201110317920A CN102563315A CN 102563315 A CN102563315 A CN 102563315A CN 2011103179202 A CN2011103179202 A CN 2011103179202A CN 201110317920 A CN201110317920 A CN 201110317920A CN 102563315 A CN102563315 A CN 102563315A
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Abstract
The invention discloses a liquid crystal television wall-mounting fixing structure and a manufacturing method thereof. The wall-mounting fixing structure comprises a rear plastic casing and a steel column. The steel column is provided with an axial threaded hole. The rear plastic casing is provided with a covering, the covering covers the cylindrical surface and one end face of the steel column by means of insert molding, and the covering and a contact surface of the steel column are in close contact. Since the steel column is directly formed on the rear casing by means of insert molding, the inner threaded hole of the steel column can be used as a wall mounting bolt positioning hole namely a wall mounting bolt fixing hole. The number of wall-mounting adapters and the wall-mounting adapter assembling procedures can be reduced, so that cost can be saved while production efficiency can be increased. Meanwhile, accuracy of the wall mounting hole can be guaranteed, and the problem of deviation of the fixing hole, caused in assembling of a fixing frame, can be decreased.
Description
Technical field
The present invention relates to a kind of hanging set of liquid crystal TV set, particularly relate to a kind of liquid crystal TV set wall hanging fixed structure and preparation method thereof.
Background technique
At present, liquid crystal TV set in use mainly adopts two kinds of disposing ways, and a kind of is desk-top putting, and a kind of is wall-hanging putting.Adopt desk-top putting, need prepare support platform in the family usually, this disposing way need take certain ground space, makes the space of family just seem comparatively crowded; Adopting wall hanging to put TV, is that LCD TVs is hung on the wall, can be people and saves a large amount of available ground spaces; Therefore, liquid crystal TV set adopts the mode of wall hanging just to receive liking of people more.
In order to realize that liquid crystal TV set can wall hanging, usually will be at the back side of liquid crystal TV set fixing wall hanging adaptor, utilize the fixed hole that is provided with on the wall hanging adaptor to realize that wall hanging installs.A kind of at the liquid crystal TV set back side the fixing mode of wall hanging adaptor, be that the wall hanging adaptor is locked on the liquid crystal display panel, the liquid crystal TV set back cabinet does not stress, and only does via hole; Another kind of at the liquid crystal TV set back side the fixing mode of wall hanging adaptor, be directly to be locked in the wall hanging adaptor on the back cabinet; A kind of before no matter being, still the back is a kind of, all needs the wall hanging adaptor; But also need to adopt screw that the wall hanging adaptor is locked on liquid crystal display panel or the back cabinet; Be unfavorable for the raising of manufacturing efficiency, on the other hand, in the installation process of wall hanging adaptor; Can make wall hanging adaptor fixed hole generation deviation, and then influence is to the wall hanging of liquid crystal TV set.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing technology, a kind of liquid crystal TV set wall hanging fixed structure and preparation method thereof be provided, be adopt with wall hanging fixedly steel column pass through inserts the direct injection moulding of mode in back cabinet; One side wall hanging adaptor capable of reducing using and wall hanging adaptor assembly process; Practice thrift cost, enhance productivity, on the other hand; Can guarantee that position, wall hanging hole is accurate, reduce the fixing frame assembling and bring the fixed hole position offset issue.
The technical solution adopted for the present invention to solve the technical problems is: a kind of liquid crystal TV set wall hanging fixed structure comprises plastics back cabinet and steel column; This steel column is provided with tapped hole vertically; The plastics back cabinet has coating portion, and this coating portion fixes with steel column with one of them end face with the post surface that inserts injection moulding mode surrounds steel column, is close proximity between the surface of contact of coating portion and steel column and touches.
Said steel column is circular, and the post surface of circular steel column is provided with the raised line that a plurality of employing annular knurl modes form vertically, and said coating portion is provided with the recessed road that holds this raised line fully; The recessed road of coating portion coincide with the raised line of circular steel column and matches.
The cylinder of said circular steel column is along the draw-in groove that is circumferentially with annular, and said coating portion is provided with the annular protrusion that cooperates this draw-in groove, and the annular protrusion of coating portion coincide and is engaged in the draw-in groove of circular steel column.
A wherein end face of said circular steel column is a Closed End.
The outer surface of said steel column also is provided with zinc coat.
Said steel column is square, and a wherein end face of square steel column is a Closed End.
The cylinder of said square steel column is along being circumferentially with the draw-in groove around cylinder, and said coating portion is provided with the protuberance that cooperates this draw-in groove, and the protuberance of coating portion coincide and is engaged in the draw-in groove of square steel column.
Said steel column is triangle or polygonal, and a wherein end face of triangle or polygonal steel column is a Closed End.
The cylinder of said triangle or polygonal steel column is along being circumferentially with the draw-in groove around cylinder, and said coating portion is provided with the protuberance that cooperates this draw-in groove, and the protuberance of coating portion coincide and is engaged in the draw-in groove of triangle or polygonal steel column.
A kind of liquid crystal TV set wall hanging fixed structure of the present invention is to adopt the mode of steel column through inserts is directly injection-moulded in the back cabinet moulding.It is that fixed hole uses that the interior threaded hole of steel column can be used as wall hanging double-screw bolt location positioning hole; Post surface knurling nicking at circular steel column promptly forms raised line, plays to prevent that the circular steel post from receiving torsion and become flexible after the injection moulding; The draw-in groove of steel column prevents that then steel column from drawing outward; Can also be zinc-plated at the steel column outer surface, get rusty to prevent steel column.
A kind of making method of liquid crystal TV set wall hanging fixed structure comprises the steps:
A. be used on the cover half of injection moulding making television set back cabinet locating column being set; And make in the die cavity after locating column is in moving, cover half matched moulds; Be used on the dynamic model of injection moulding making television set back cabinet pressing being set, and pressing is in and the corresponding position of locating column;
B. the tapped hole of steel column is inserted in the locating column of cover half;
C. let dynamic model match, and make the pressing of dynamic model support Closed End, overlay on cover half with another open end with steel column to steel column with cover half;
D. injection moulding in die cavity is embedded on the back cabinet steel column;
E. take out back cabinet after the moulding.
The invention has the beneficial effects as follows: since adopted with wall hanging fixedly steel column pass through inserts the direct injection moulding of mode in back cabinet; Tapped hole by steel column has constituted fixed hole, and wall hanging adaptor capable of reducing using and wall hanging adaptor assembly process are practiced thrift cost on the one hand; Enhance productivity; On the other hand, can guarantee that the wall hanging fixed hole position is accurate, reduce the fixing frame assembling and bring the fixed hole position offset issue.Owing to adopted post surface knurling nicking promptly to form raised line at circular steel column; When the mode injection moulding of circular steel column through inserts during in back cabinet; The recessed road that the coating portion of back cabinet will form and the raised line of circular steel column coincide and matches, on both surface of contact, with respect to circular steel column circumferentially; Formed concavo-convex cooperating structure, can prevent that circular steel column from receiving torsion and become flexible.Owing to adopted on the cylinder edge of steel column and be circumferentially with draw-in groove; When the mode injection moulding of steel column through inserts during in back cabinet; The annular protrusion that the coating portion of back cabinet will form and the draw-in groove of steel column coincide and matches, on both surface of contact, with respect to steel column axially; Form concavo-convex cooperating structure, played the drag effect that prevents that steel column from drawing outward.
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain; But a kind of liquid crystal TV set wall hanging fixed structure of the present invention and preparation method thereof is not limited to embodiment.
Description of drawings
Fig. 1 is an organigram of the present invention;
Fig. 2 is the organigram of circular steel column of the present invention;
Fig. 3 is the D structure schematic representation of circular steel column of the present invention;
Fig. 4 is the organigram of the coating portion of plastics back cabinet of the present invention;
Fig. 5 is the position view of steel column of the present invention at back cabinet;
Fig. 6 is the organigram of dynamic model, cover half in the inventive method;
Fig. 7 is the schematic representation behind dynamic model in the inventive method, the cover half matched moulds;
Fig. 8 is the schematic representation after the die cavity injection moulding in the inventive method;
Fig. 9 is the schematic representation that dynamic model in the inventive method, cover half are thrown off.
Embodiment
Embodiment, to shown in Figure 4, a kind of liquid crystal TV set wall hanging fixed structure of the present invention comprises plastics back cabinet 1 and steel column 2 referring to Fig. 1; This steel column 2 is provided with tapped hole 21 vertically; Plastics back cabinet 1 has coating portion 10, and this coating portion 10 fixes with steel column 2 with one of them end face with the post surface that inserts injection moulding mode surrounds steel column, is close proximity between the surface of contact of coating portion 10 and steel column 2 and touches.
Said steel column 2 is circular, and promptly the sectional shape of steel column 2 be a circle, and the post surface of circular steel column 2 is provided with the raised line 22 that a plurality of employing annular knurl modes form vertically, and said coating portion 10 is provided with the recessed road 11 that holds this raised line fully; The recessed road 11 of coating portion 10 coincide with the raised line of circular steel column 22 and matches.
The cylinder of said circular steel column 2 is along the draw-in groove 23 that is circumferentially with annular, and said coating portion 10 is provided with the annular protrusion 12 that cooperates this draw-in groove, and the annular protrusion 12 of coating portion coincide and is engaged in the draw-in groove 23 of circular steel column.
A wherein end face of said circular steel column 2 is a Closed End.
The outer surface of said circular steel column 2 also is provided with zinc coat.
Certainly, steel column also can be other shapes, such as, steel column can be for square, and a wherein end face of square steel column is a Closed End; Because the cross section of square steel column is square, therefore, needn't make raised line, along being circumferentially with the draw-in groove around cylinder, said coating portion is provided with the protuberance that cooperates this draw-in groove at the cylinder of square steel column, and the protuberance of coating portion coincide and is engaged in the draw-in groove of square steel column.For another example; Steel column can be triangle or polygonal; A wherein end face of triangle or polygonal steel column is a Closed End; The cylinder of said triangle or polygonal steel column is along being circumferentially with the draw-in groove around cylinder, and said coating portion is provided with the protuberance that cooperates this draw-in groove, and the protuberance of coating portion coincide and is engaged in the draw-in groove of triangle or polygonal steel column.
A kind of liquid crystal TV set wall hanging fixed structure of the present invention is to adopt the mode of steel column 2 through inserts is directly injection-moulded in back cabinet 1 moulding.It is that fixed hole uses that the interior threaded hole 21 of steel column 2 can be used as wall hanging double-screw bolt location positioning hole; Post surface knurling nicking at circular steel column 2 promptly forms raised line 22, plays to prevent that the circular steel post from receiving torsion and become flexible after the injection moulding; 23 of the draw-in grooves of steel column prevent steel column 2 outer drawing; Can also be zinc-plated at steel column 2 outer surfaces, get rusty to prevent steel column.
Referring to shown in Figure 5, steel column 2 is directly injection-moulded in four positions of television set back cabinet 1 through the mode of inserts, can guarantee the accuracy of fitted position A, B, C, and reduces assembly process.
To shown in Figure 9, the making method of a kind of liquid crystal TV set wall hanging fixed structure of the present invention comprises the steps: referring to Fig. 6
A. be used on the cover half 3 of injection moulding making television set back cabinet locating column 31 being set; And make in the die cavity 30 after locating column 31 is in dynamic model 4, cover half 3 matched moulds; Be used on the dynamic model 4 of injection moulding making television set back cabinet pressing 41 being set, and pressing 41 is in and locating column 31 corresponding positions;
B. the tapped hole 21 of circular steel column 2 is inserted in the locating column 31 of cover half;
C. let dynamic model 4 match, and the pressing 41 that makes dynamic model 4 overlay on cover half 3 with another open end with circular steel column 2 to the Closed End to circular steel column 2 with cover half 3;
D. injection moulding in die cavity 30 is embedded on the back cabinet 1 circular steel column 2;
E. take out back cabinet 1 after the moulding, in back cabinet 1, just formed coating portion 10 with circular steel column 2 contacted parts.
The sectional shape of steel column also can be other shapes.
The foregoing description only is used for further specifying a kind of liquid crystal TV set wall hanging fixed structure of the present invention and preparation method thereof; But the present invention is not limited to embodiment; Every foundation technical spirit of the present invention all falls into the protection domain of technological scheme of the present invention to any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. a liquid crystal TV set wall hanging fixed structure is characterized in that: comprise plastics back cabinet and steel column; This steel column is provided with tapped hole vertically; The plastics back cabinet has coating portion, and this coating portion fixes with steel column with one of them end face with the post surface that inserts injection moulding mode surrounds steel column, is close proximity between the surface of contact of coating portion and steel column and touches.
2. liquid crystal TV set wall hanging fixed structure according to claim 1; It is characterized in that: said steel column is for circular; The post surface of circular steel column is provided with the raised line that a plurality of employing annular knurl modes form vertically, and said coating portion is provided with the recessed road that holds this raised line fully; The recessed road of coating portion coincide with the raised line of circular steel column and matches.
3. liquid crystal TV set wall hanging fixed structure according to claim 2; It is characterized in that: the cylinder of said circular steel column is along the draw-in groove that is circumferentially with annular; Said coating portion is provided with the annular protrusion that cooperates this draw-in groove, and the annular protrusion of coating portion coincide and is engaged in the draw-in groove of circular steel column.
4. liquid crystal TV set wall hanging fixed structure according to claim 2 is characterized in that: a wherein end face of said circular steel column is a Closed End.
5. liquid crystal TV set wall hanging fixed structure according to claim 1, it is characterized in that: the outer surface of said steel column also is provided with zinc coat.
6. liquid crystal TV set wall hanging fixed structure according to claim 1 is characterized in that: said steel column is square, and a wherein end face of square steel column is a Closed End.
7. liquid crystal TV set wall hanging fixed structure according to claim 6; It is characterized in that: the cylinder of said square steel column is along being circumferentially with the draw-in groove around cylinder; Said coating portion is provided with the protuberance that cooperates this draw-in groove, and the protuberance of coating portion coincide and is engaged in the draw-in groove of square steel column.
8. liquid crystal TV set wall hanging fixed structure according to claim 1 is characterized in that: said steel column is triangle or polygonal, and a wherein end face of triangle or polygonal steel column is a Closed End.
9. liquid crystal TV set wall hanging fixed structure according to claim 8; It is characterized in that: the cylinder of said triangle or polygonal steel column is along being circumferentially with the draw-in groove around cylinder; Said coating portion is provided with the protuberance that cooperates this draw-in groove, and the protuberance of coating portion coincide and is engaged in the draw-in groove of triangle or polygonal steel column.
10. the making method of a liquid crystal TV set wall hanging fixed structure is characterized in that: comprise the steps:
A. be used on the cover half of injection moulding making television set back cabinet locating column being set; And make in the die cavity after locating column is in moving, cover half matched moulds; Be used on the dynamic model of injection moulding making television set back cabinet pressing being set, and pressing is in and the corresponding position of locating column;
B. the tapped hole of steel column is inserted in the locating column of cover half;
C. let dynamic model match, and make the pressing of dynamic model support Closed End, overlay on cover half with another open end with steel column to steel column with cover half;
D. injection moulding in die cavity is embedded on the back cabinet steel column;
E. take out back cabinet after the moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103179202A CN102563315A (en) | 2011-10-18 | 2011-10-18 | Liquid crystal television wall-mounting fixing structure and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103179202A CN102563315A (en) | 2011-10-18 | 2011-10-18 | Liquid crystal television wall-mounting fixing structure and manufacturing method thereof |
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| CN102563315A true CN102563315A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103179202A Pending CN102563315A (en) | 2011-10-18 | 2011-10-18 | Liquid crystal television wall-mounting fixing structure and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559846A (en) * | 2013-10-25 | 2014-02-05 | 大连恭德科技有限公司 | Lifting structure for display screen box body |
| CN106089798A (en) * | 2016-06-23 | 2016-11-09 | 曾子斌 | Fan assembly and processing method |
| CN108757210A (en) * | 2018-06-11 | 2018-11-06 | 苏州德格玛精密部件有限公司 | A kind of car engine machine plastic member inserts |
| CN112713734A (en) * | 2020-12-22 | 2021-04-27 | 苏州广型模具有限公司 | A movable mould mechanism for shaping new forms of energy motor casing |
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| CN101112784A (en) * | 2007-07-12 | 2008-01-30 | 惠州市格林塑胶电子有限公司 | Plastic component having inside screw inserts |
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| CN201467333U (en) * | 2009-06-22 | 2010-05-12 | 康佳集团股份有限公司 | Wall-mounted inlay nut of flat-panel television |
| CN201541319U (en) * | 2009-06-25 | 2010-08-04 | 康佳集团股份有限公司 | Television installing device |
| CN201919100U (en) * | 2010-11-24 | 2011-08-03 | 深圳市同方多媒体科技有限公司 | Back cover wall hanging structure for flat television set |
| CN202302634U (en) * | 2011-10-18 | 2012-07-04 | 厦门华侨电子股份有限公司 | Wall-mounted fixing structure of liquid crystal television |
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2011
- 2011-10-18 CN CN2011103179202A patent/CN102563315A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08307801A (en) * | 1995-05-10 | 1996-11-22 | Hitachi Ltd | Stack structure of back cover |
| CN101112784A (en) * | 2007-07-12 | 2008-01-30 | 惠州市格林塑胶电子有限公司 | Plastic component having inside screw inserts |
| CN101367260A (en) * | 2007-08-14 | 2009-02-18 | 上海皓月电气有限公司 | Process for manufacturing plastic products with insert |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559846A (en) * | 2013-10-25 | 2014-02-05 | 大连恭德科技有限公司 | Lifting structure for display screen box body |
| CN103559846B (en) * | 2013-10-25 | 2016-01-20 | 大连恭德科技有限公司 | A kind of display screen box body hoisting structure |
| CN106089798A (en) * | 2016-06-23 | 2016-11-09 | 曾子斌 | Fan assembly and processing method |
| CN108757210A (en) * | 2018-06-11 | 2018-11-06 | 苏州德格玛精密部件有限公司 | A kind of car engine machine plastic member inserts |
| CN108757210B (en) * | 2018-06-11 | 2023-12-01 | 苏州德格玛精密部件有限公司 | Insert for automobile engine plastic part |
| CN112713734A (en) * | 2020-12-22 | 2021-04-27 | 苏州广型模具有限公司 | A movable mould mechanism for shaping new forms of energy motor casing |
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Application publication date: 20120711 |