CN110632778B - Rear shell screw-free fixing structure and liquid crystal display device - Google Patents
Rear shell screw-free fixing structure and liquid crystal display device Download PDFInfo
- Publication number
- CN110632778B CN110632778B CN201810651310.8A CN201810651310A CN110632778B CN 110632778 B CN110632778 B CN 110632778B CN 201810651310 A CN201810651310 A CN 201810651310A CN 110632778 B CN110632778 B CN 110632778B
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- buckle
- rear shell
- angle
- back plate
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133314—Back frames
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Connection Of Plates (AREA)
Abstract
The application discloses a rear shell screw-free fixing structure and a liquid crystal display device, wherein the fixing structure comprises a rear shell, a back plate and a rotating shaft positioned between the rear shell and the back plate, wherein a rotating shaft supporting plate is arranged on the back plate or the rear shell, one end of the rotating shaft is connected with the rotating shaft supporting plate, and the rotating shaft rotates around the axis of the rotating shaft supporting plate; the rotating shaft is provided with a plurality of notches, the rear shell or the back plate is provided with buckles corresponding to the notches, the rotating shaft rotates by a first angle, and the buckles are clamped with the notches; the rotating shaft rotates by a second angle, and the buckle and the notch are unlocked. The application provides a backshell screwless fixed knot constructs adds the pivot between backplate and backshell, the pivot rotates the block that breach and buckle can be realized to first angle, rotate the unblock that breach and buckle can be realized to the second angle, thereby the block and the unblock of backshell and complete machine have been realized, and the backshell buckle all does not receive external force when the assembly with dismantle, guaranteed that the backshell buckle can not damage, make the backshell can repetitious usage, the maintainability of complete machine has been improved.
Description
Technical Field
The application relates to the technical field of televisions, in particular to a rear shell screw-free fixing structure and a liquid crystal display device.
Background
In recent years, a lot of television products without rear shells and screws appear in television new products released by various television manufacturers, and compared with the traditional rear shell design scheme, the design concept of the rear shell without the screws can keep the integrity and the simplicity of the appearance of the rear shell, and the appearance of the product is greatly improved.
At present, various large manufacturers realize the fixing mode of the rear shell without screws mainly through a buckle or a variant mode of the buckle, and the buckle connection has the advantages of reliable connection and convenient installation. The traditional back shell screwless fixing mode is generally that a male buckle is arranged on the back shell, a female buckle corresponding to the male buckle is arranged on the back plate, when the back shell is assembled with the back plate, the male buckle on the back shell is clamped into the female buckle on the back plate, and screwless buckle connection of the back shell and the back plate is realized.
However, the buckle is hard to connect and has no unlocking structure, so that the disassembly is difficult, once the rear shell and the back plate are fixed through the buckle, the rear shell can only be disassembled in a hard pulling mode in maintenance, after-sale and other occasions needing to disassemble the rear shell, the buckle is easy to break and damage in the disassembly process, the rear shell cannot be used for the second time, and the maintainability of the whole machine is reduced.
Disclosure of Invention
The application provides a rear shell screwless fixing structure and a liquid crystal display device to solve the technical problem that the front and rear shells are screwless and difficult to disassemble and the buckles are easy to break and damage when detached.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
in a first aspect, an embodiment of the present application discloses a rear housing screw-free fixing structure, which includes a rear housing, a back plate, and a rotating shaft located between the rear housing and the back plate, wherein,
a rotating shaft supporting plate is arranged on the back plate, one end of the rotating shaft is connected with the rotating shaft supporting plate, and the rotating shaft rotates around the axis of the rotating shaft supporting plate;
the rotating shaft is provided with a plurality of notches, the rear shell is provided with buckles corresponding to the notches, the rotating shaft rotates by a first angle, and the buckles are clamped with the notches; the rotating shaft rotates by a second angle, and the buckle is unlocked with the notch.
Optionally, a rotating shaft fixing screw hole is formed in the rotating shaft supporting plate, the rotating shaft passes through the rotating shaft fixing screw hole and is connected with the rotating shaft supporting plate through a screw, and the rotating shaft winds the central axis of the rotating shaft fixing screw hole to rotate.
Optionally, a rotating shaft hole corresponding to the rotating shaft is formed in the rotating shaft supporting plate, the rotating shaft penetrates through the rotating shaft hole, and the rotating shaft rotates around the central axis of the rotating shaft hole.
Optionally, a rocker is arranged at the other end of the rotating shaft, the rocker is located at the outer side of the rear shell, and the rotating shaft is driven to rotate by the rocker.
Optionally, a rotating shaft locking screw hole is formed in the rocking rod, and the rocking rod is fixed to the rear shell through the rotating shaft locking screw hole.
Optionally, the rear shell is further provided with a plurality of limiting columns, and the limiting columns and the buckles are located on two sides of the rotating shaft respectively.
Optionally, the rotating shaft is further provided with a plurality of grooves, the grooves and the notches are arranged in a staggered manner, the back plate is provided with hooks corresponding to the grooves, and the hooks are connected with the grooves in a buckled manner.
In a second aspect, an embodiment of the present application further discloses a rear housing fixing structure without screws, which includes a rear housing, a back plate, and a rotating shaft located between the rear housing and the back plate,
a rotating shaft supporting plate is arranged on the rear shell, one end of the rotating shaft is connected with the rotating shaft supporting plate, and the rotating shaft rotates around the axis of the rotating shaft supporting plate;
the rotating shaft is provided with a plurality of notches, the back plate is provided with buckles corresponding to the notches, the rotating shaft rotates by a first angle, and the buckles are clamped with the notches; the rotating shaft rotates by a second angle, and the buckle and the notch are unlocked.
Optionally, the rotating shaft is further provided with a plurality of grooves, the grooves and the notches are arranged in a staggered manner, the rear shell is provided with hooks corresponding to the grooves, and the hooks are connected with the grooves in a buckled manner.
In a third aspect, an embodiment of the present application discloses a liquid crystal display device, including the rear case screw-less fixing structure of the second or third aspect.
Compared with the prior art, the beneficial effect of this application is:
the embodiment of the application provides a rear shell screw-free fixing structure and a liquid crystal display device, wherein the rear shell screw-free fixing structure comprises a rear shell, a back plate and a rotating shaft positioned between the rear shell and the back plate, wherein a rotating shaft supporting plate is arranged on the back plate or the rear shell, one end of the rotating shaft is connected with the rotating shaft supporting plate, and the rotating shaft rotates around the axis of the rotating shaft supporting plate; the rotating shaft is provided with a plurality of notches, the rear shell or the back plate is provided with buckles corresponding to the notches, the rotating shaft rotates by a first angle, and the buckles are clamped with the notches; the rotating shaft rotates by a second angle, and the buckle and the notch are unlocked. According to the rear shell screw-free fixing structure, the rotating shaft is additionally arranged between the rear shell and the back plate and can rotate on the back plate or the rear shell, so that the notch in the rotating shaft is driven to rotate, when the rotating shaft rotates for a first angle, the notch in the rotating shaft is clamped with the buckle, the buckle connection of the back plate and the rear shell can be realized, and the reliable locking of the rear shell can be realized; when the pivot rotated the second angle, the epaxial breach of pivot and buckle unblock, the backshell can be dismantled smoothly. The rotation through the pivot can realize the block and the unblock of pivot and backshell or backplate to can realize the block and the unblock of backshell and complete machine backplate, and the backshell does not all receive external force with the backplate buckle when assembling with the dismantlement, can guarantee like this that the buckle can not damage, make backshell and backplate dismouting many times, can improve the maintainability of complete machine.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an alternative embodiment lower rear housing screwless fastening arrangement;
fig. 2 is an exploded schematic view of a rear case screw-free fastening structure according to an embodiment of the present disclosure;
fig. 3 is an assembly schematic view of a rotating shaft and a back plate in a rear housing screw-free fixing structure provided in the embodiment of the present application;
FIG. 4 is a schematic cross-sectional view of a rear housing screwless fastening structure provided by an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a rear housing in a rear housing screw-free fastening structure according to an embodiment of the present disclosure;
fig. 6 is an assembly schematic view of a rear shell buckle and a rotating shaft in an unlocked state in the rear shell screw-less fixing structure provided in the embodiment of the present application;
fig. 7 is a cross-sectional view of the rear housing buckle and the rotating shaft in an unlocked state in the rear housing screwless fixing structure provided in the embodiment of the present application;
fig. 8 is an assembly schematic view of a rear housing buckle and a rotating shaft in a locked state in the rear housing screwless fixing structure provided in the embodiment of the present application;
fig. 9 is a cross-sectional view of a rear housing buckle and a rotating shaft in a locked state in the rear housing screwless fixing structure provided in the embodiment of the present application;
fig. 10 is an assembly schematic view of a back plate hook and a rotating shaft in an unlocked state in the rear shell screw-free fixing structure provided in the embodiment of the present application;
fig. 11 is a cross-sectional view of the rear housing screwless fixing structure in which the back plate hook and the rotating shaft are in an unlocked state according to the embodiment of the present application;
fig. 12 is an assembly schematic view illustrating a rear panel hook and a rotating shaft in a locked state in a rear housing screw-less fixing structure according to an embodiment of the present application;
fig. 13 is a cross-sectional view of the back plate hook and the rotating shaft in a locked state in the rear housing screwless fixing structure according to the embodiment of the present application;
fig. 14 is a schematic view illustrating a fitting gap between a rear housing and a back plate in the rear housing screw-less fixing structure provided in the embodiment of the present application;
fig. 15 is a schematic view illustrating adjustment of a rotation angle of a rotating shaft in a rear housing screw-free fixing structure according to an embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In recent years, a lot of television products without screws on the rear shell appear in television new products released by various manufacturers of televisions, and compared with the traditional rear shell design scheme, the design concept without screws on the rear shell can keep the integrity and the simplicity of the appearance of the rear shell, and the appearance of the product is greatly improved.
At present, various manufacturers realize the fixing mode of the rear shell without screws mainly through a buckle or a variant mode of the buckle, and the rigid connection of the buckle has the advantages of reliable connection and convenient installation. Referring to fig. 1, which is a schematic structural diagram of a rear case screw-free fixing structure in an alternative embodiment, the conventional rear case screw-free fixing structure includes a rear case 10 and a back plate 20, a male buckle 101 is disposed on the rear case 10, a female buckle 201 corresponding to the male buckle 101 is disposed on the back plate 20, and when the rear case 10 is assembled with the back plate 20, the male buckle 101 on the rear case 10 is clamped into the female buckle 201 of the back plate 20, so that the screw-free fixing connection between the rear case 10 and the back plate 20 is realized.
But because the buckle is rigid connection to there is not unlocking structure, under the scene that need dismantle the backshell such as maintenance, after sale, can only dismantle through the mode of dragging firmly, cause the buckle fracture damage very easily in the dismantlement process, lead to the backshell unable secondary use.
In order to solve the problem, the embodiment of the application provides a backshell screwless fixed knot constructs, this fixed knot constructs and adds the pivot between backshell and backplate, the pivot can rotate on backplate or backshell, set up a plurality of breachs in the pivot, be provided with the buckle corresponding with the breach on backshell or the backplate, the block and the unblock of breach and buckle are realized to rotation through the pivot, thereby the block and the unblock of backshell and complete machine have been realized, and the backshell does not all receive external force with the backplate buckle when assembly with the dismantlement, it can not damage to have guaranteed the buckle, compare with traditional buckle structure, the maintainability of complete machine has been improved.
The first embodiment is as follows:
referring to fig. 2, an exploded view of a rear case screw-free fixing structure provided in an embodiment of the present application is shown.
As shown in fig. 2, the rear case screw-free fixing structure provided by the embodiment of the present application includes a rear case 1, a back plate 2, and a rotating shaft 3 located between the rear case 1 and the back plate 2, wherein,
the back plate 2 is provided with a rotating shaft support plate 21, one end of the rotating shaft 3 is connected with the rotating shaft support plate 21, and the rotating shaft 3 can rotate around the axis of the rotating shaft support plate 21, as shown in fig. 3. Specifically, a rotating shaft fixing screw hole 211 is formed in the rotating shaft supporting plate 21, a screw hole is formed in one end of the rotating shaft 3, as shown in fig. 4, the screw 4 penetrates through the rotating shaft fixing screw hole 211 and the screw hole in the rotating shaft 3, connection between the rotating shaft 3 and the rotating shaft supporting plate 21 is achieved, and the rotating shaft 3 can rotate around the central axis of the screw 4. The rotating shaft 3 is connected with the rotating shaft supporting plate 21 through screws, 5 degrees of freedom of the rotating shaft 3 are limited, the rotating shaft 3 can rotate around the central axis of the screw 4, namely, the rotating shaft 3 only has one degree of freedom in rotation, and other five degrees of freedom are limited by the screws, so that the rotating shaft 3 can only rotate on the back plate 2.
In this embodiment, the rotating shaft supporting plate 21 may also have a rotating shaft hole corresponding to the rotating shaft 3, the rotating shaft 3 passes through the rotating shaft hole, the rotating shaft hole defines five degrees of freedom of the rotating shaft 3, and only one degree of freedom is reserved, so that the rotating shaft 3 can only rotate around the central axis of the rotating shaft hole.
The rotating shaft 3 is provided with a plurality of notches 31, a certain interval exists between adjacent notches 31, as shown in fig. 5, the rear shell 1 is provided with a buckle 11 corresponding to the notches 31, when the rotating shaft 3 rotates by a first angle, the buckle 11 on the rear shell 1 can be clamped into the notches 31, and the rotating shaft 3 and the rear shell 1 are connected in a buckling manner. Still be provided with spacing post 12 on the backshell 1, spacing post 12 is located the both sides of pivot 3 respectively with buckle 11, and when buckle 11 on the backshell 1 and the breach 31 of pivot 3 go on assembling, the side of pivot 3 contradicts with spacing post 12, and spacing post 12 is used for injecing the position of pivot 3, guarantees that buckle 11 is connected with the accurate buckle of breach 31. Optionally, the notch 31 on the rotating shaft 3 is an L-shaped notch, and the buckle 11 on the rear shell 1 is a corresponding L-shaped buckle.
In this application embodiment, the one end of pivot 3 is connected with pivot backup pad 21 on backplate 2, and the other end of pivot 3 is provided with the rocking rod 32, and rocking rod 32 is located the outside of backshell 1, can drive pivot 3 through rocking rod 32 and rotate. The rocking rod 32 that the pivot 3 other end set up is located the outside of backshell 1, makes things convenient for the staff to realize the rotation of pivot 3 through rotating rocking rod 32.
As shown in fig. 6 and 7, when the rear housing 1 is assembled with the back plate 2, the rocker 32 of the rotating shaft 3 is perpendicular to the back plate 2, the latch 11 on the rear housing 1 is latched into the notch 31 on the rotating shaft 3, but at this time, the latch 11 and the notch 31 are in an unlocked state, and the rear housing 1 can be smoothly assembled in place. After backshell 1 assembles to target in place, anticlockwise rotation rocking bar 32 drives pivot 3 anticlockwise rotation first angle, as shown in fig. 8, fig. 9, the first angle of the breach 31 anticlockwise rotation in the pivot 3, and the mutual block is realized with buckle 11 on the backshell 1 to breach 31 in the pivot 3 for buckle 11 is in the shutting state with breach 31, and the joint that has realized the pivot 3 of backshell 1 is fixed, and restriction backshell 1 is deviate from.
In the application scene that the backshell needs to be dismantled, clockwise rotation rocking bar 32 drives pivot 3 clockwise rotation second angle, and breach 31 clockwise rotation second angle on the pivot 3, the breach 31 unblock on buckle 11 and the pivot 3 on the backshell 1 this moment, and backshell 1 is dismantled smoothly. Optionally, in this embodiment of the present application, the first angle and the second angle of rotation of the rotating shaft 3 are both 90 °.
In this application embodiment, the other end of pivot 3 also can be fixed with the double-screw bolt, and the double-screw bolt is located the outside of backshell 1, rotates through double-screw bolt drive pivot 3, and the double-screw bolt that 3 other ends of pivot were fixed is located the outside of backshell 1 promptly, makes things convenient for the staff to realize the rotation of pivot 3 through rotating the double-screw bolt, and then realizes the block and the unblock of backshell 1 and backplate 2.
In the embodiment of the present application, the other end of the rotating shaft 3 may be fixed with other structures besides the rocker and the stud, for example, a screw is fixed at the other end of the rotating shaft 3, and the screw is rotated by a tool, so as to rotate the rotating shaft 3, which all belong to the protection scope of the embodiment of the present application.
The rocker 32 is provided with a rotating shaft locking screw hole 321, and the rocker 32 is fixed on the rear shell 1 through the rotating shaft locking screw hole 321. That is, when the notch 31 on the rotating shaft 3 is engaged with the buckle 11 on the rear housing 1 and the rear housing cannot be taken off, the rocker 32 is fixed on the rear housing 1 through the rotating shaft locking screw hole 321 by using a screw to limit the rotation of the rotating shaft 3, so as to ensure the reliable locking of the rear housing 1.
In the application scene that the backshell needs to be dismantled, at first dismantle the locking screw on pivot locking screw hole 321, then rotate rocking rod 32 clockwise, drive pivot 3 clockwise rotation second angle for the breach unblock on buckle 11 and the pivot 3 on the backshell 1 realizes dismantling smoothly of backshell 1.
In this application embodiment, except using the locking screw to pass through pivot locking screw hole 321 restriction pivot 3 and rotate, still can be other limited structures, if set up spacing convex closure on pivot 3, set up the spacing recess corresponding with spacing convex closure on backplate 2 or backshell 1, when spacing convex closure on pivot 3 rotates to spacing recess position, spacing convex closure imbeds in the spacing recess, restriction pivot 3's rotation, it all belongs to the protection scope of this application embodiment.
In the embodiment of the present application, as shown in fig. 10 and 11, the rotating shaft 3 is further provided with a plurality of grooves 33, the grooves 33 and the notches 31 are staggered, that is, the grooves 33 and the notches 31 are located on different sides of the rotating shaft 3, the back plate 2 is provided with the hooks 22 corresponding to the grooves 33, the hooks 22 are connected with the grooves 33 in a snap-fit manner, and the connection stability between the back plate 2 and the rotating shaft 3 is enhanced. Namely, the screw-free fastening connection between the rotary shaft 3 and the back shell 1 is realized through the notch 31 on the rotary shaft 3 and the buckle 11 on the back shell 1, and the screw-free fastening connection between the rotary shaft 3 and the back plate 2 is strengthened through the groove 33 on the rotary shaft 3 and the hook 22 on the back plate 2, so that the screw-free fastening connection between the back shell and the back plate is realized. Optionally, the groove 33 on the rotating shaft 3 is an L-shaped groove, and the hook 22 on the back plate 2 is an L-shaped hook.
When the rear shell 1 is assembled, the rotating shaft 3 is driven by the rocker 32 to rotate counterclockwise by a first angle, so that the buckle 11 on the rear shell 1 is mutually clamped with the notch 31 on the rotating shaft 3, and meanwhile, the hook 22 on the back plate 2 is also mutually clamped with the groove 33 on the rotating shaft 3, as shown in fig. 12 and 13, so that the rear shell 1 and the back plate 2 are respectively clamped with the rotating shaft 3, and the connection stability of the rear shell 1 and the back plate 2 is improved.
When the rear shell 1 is detached, the rotating shaft 3 is driven by the rocker 32 to rotate clockwise by a second angle, the buckle 11 on the rear shell 1 is unlocked with the notch 31 on the rotating shaft 3, and meanwhile, the hook 22 on the back plate 2 is also unlocked with the groove 33 on the rotating shaft 3, so that the rear shell 1 and the back plate 2 are conveniently separated.
In the actual assembly and use process of the rear shell, the actual assembly state and the model state can deviate due to the influence of the machining precision and deformation of the components, and the sizes of the components can be adjusted in the actual state during actual production. Use the backshell screwless fixed knot structure that this application embodiment provided as an example, the cooperation volume of buckle often needs the adjustment, when using traditional buckle cooperation, the cooperation volume adjustment can only be through the change mould, wastes time and energy, and adopts the pivot screwless scheme of this application, and the cooperation volume of adjustment buckle joint that can be very convenient conveniently carries out the management and control to the backshell mounted state.
As shown in fig. 14, when the rear housing 1 and the back plate 2 are assembled, there may be a fit gap, and at this time, the fit amount of the snap needs to be increased to eliminate the fit gap between the rear housing 1 and the back plate 2. As shown in fig. 15, the first angle of the rotation shaft 3 rotating counterclockwise is increased to increase the fitting amount of the snap, and the fitting clearance between the rear case 1 and the back plate 2 is solved.
Specifically, the second angle of the counterclockwise rotation of the rotating shaft 3 is increased, the notch 31 on the rotating shaft 3 is not parallel to the buckle 11 on the back shell 1, the side surface of the notch 31 generates pressure on the side surface of the buckle 11 to force the back shell 1 to move downwards, meanwhile, the counterclockwise rotation angle of the rotating shaft 3 is increased, the groove 33 on the rotating shaft 3 generates pressure on the hook 22 on the back plate 2 to force the back plate 2 to move upwards, and thus the fit clearance between the back shell 1 and the back plate 2 is eliminated. Optionally, the counterclockwise rotation angle of the rotating shaft 3 is 90-100 °.
When the rear shell screw-free fixing structure provided by the embodiment of the application is assembled, the rotating shaft is rotated through the rocker at first, and the notch on the rotating shaft and the buckle on the rear shell are ensured to be in an unlocking state; then moving the rear shell to enable the buckle on the rear shell to be matched with the notch; then, the rocking rod rotates anticlockwise by a first angle, the buckle and the notch are mutually clamped, and the clamping of the rear shell and the rotating shaft is realized; and then the rotating shaft is fixed on the rear shell through the rotating shaft locking screw hole by using a screw so as to limit the rotation of the rotating shaft.
When the rotary shaft is disassembled, firstly, screws on the locking screw holes of the rotary shaft are disassembled, so that the rotary shaft can rotate; then clockwise rotation second angle through the rocking rod for buckle on the backshell and the breach unblock in the pivot, in order to dismantle the backshell smoothly.
It can be seen from the above-mentioned embodiment that the backshell screwless fixed knot that this application embodiment provided realizes the breach on the pivot and the buckle on the backshell through the rotation of pivot, the block and the unblock of recess on the pivot and the pothook on the backplate, and the pivot is fixed on the backplate, with this block and the unblock of backshell with the complete machine of realization, the backshell buckle all does not receive external force when the backshell is assembled and is dismantled, the rigid connection of backshell buckle has been avoided, the problem that the backshell can't secondary assembly caused by buckle damage in the production process and after-sale maintenance process has been avoided, the reliability of the many times dismouting of backshell has been improved, the maintainability of complete machine has been improved.
Example two:
in the no screw fixed knot of backshell structure that this application embodiment provided, pivot 3 still can be fixed on backshell 1, is provided with the pivot backup pad on the backshell 1, and the one end and the pivot backup pad of pivot are connected, and the axis that the pivot circled the pivot backup pad rotates. Specifically, a rotating shaft fixing screw hole is formed in the rotating shaft supporting plate, a screw hole is formed in one end of the rotating shaft 3, the screw penetrates through the rotating shaft fixing screw hole and the screw hole in the rotating shaft 3, the rotating shaft 3 is connected with the rotating shaft supporting plate, other five degrees of freedom of the rotating shaft are limited by the screw, only one degree of freedom of rotation of the rotating shaft is reserved, and the rotating shaft 3 can rotate on the rear shell 1.
Be provided with a plurality of breachs in the pivot, be provided with the buckle corresponding with the breach on backplate 2, buckle and breach joint realize that backshell 1 is connected with the buckle of backplate 2. When the rotating shaft 3 rotates anticlockwise by a first angle, the notch and the buckle on the back plate 2 are mutually clamped, so that the clamping of the rear shell 1 and the whole machine is realized; when the rotating shaft 3 rotates clockwise by a second angle, the notch and the buckle on the back plate 2 are unlocked, and the rear shell 1 can be smoothly detached.
The rotating shaft 3 is also provided with a plurality of grooves, and the grooves and the notches are arranged in a staggered manner, namely the grooves and the notches are positioned on different sides of the rotating shaft. The rear shell 1 is also provided with a clamping hook corresponding to the groove, and the clamping hook is connected with the groove in a buckling manner. When assembling backshell 1, 3 anticlockwise rotations first angles of pivot, the mutual block of the breach on buckle and the pivot 3 on the backplate 2, pothook on the backshell 1 also can with the mutual block of recess on the pivot 3 simultaneously, has improved the steadiness of being connected of backshell 1 and backplate 2.
The embodiment of the application also provides a liquid crystal display device, which comprises any one of the rear shell screw-free fixing structures, and the fixing structure realizes repeated disassembly and assembly of the rear shell and the back plate through rotation of the rotating shaft, so that the maintainability of the liquid crystal display device is improved. The structure, function and function of the rear housing screwless fixing structure have been described in detail in the above embodiments, and are not described herein again.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, 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 circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (9)
1. A rear shell screwless fixing structure, comprising:
the rear shell is provided with a buckle;
the back plate is provided with a rotating shaft supporting plate and a clamping hook;
the rotating shaft is positioned between the rear shell and the back plate, and one end of the rotating shaft is connected with the rotating shaft supporting plate so as to enable the rotating shaft to rotate around the axis of the rotating shaft supporting plate; the other end of the rear shell is provided with a rocking bar, and the rocking bar is positioned on the outer side of the rear shell and drives the rotating shaft to rotate through the rocking bar; a plurality of gaps are arranged on the buckle, and the gaps are arranged corresponding to the buckles; a plurality of grooves are also arranged on the clamping hook, the grooves and the notches are arranged in a staggered manner, and the grooves and the clamping hooks are arranged correspondingly;
when the rear shell and the back plate are assembled, the rotating shaft is used for enabling the buckle and the notch to be mutually clamped when the rotating shaft is driven to rotate anticlockwise by a first angle, and the clamping hook and the groove are mutually clamped; when the driven clockwise rotates for a second angle, the buckle and the notch are unlocked, and the hook and the groove are unlocked; when the back plate is driven to rotate anticlockwise by a third angle, the third angle is larger than the first angle, so that the notch is not parallel to the buckle, the back shell is forced to move downwards, and the back plate is forced to move upwards.
2. The fixing structure according to claim 1, wherein a rotating shaft fixing screw hole is provided on the rotating shaft supporting plate, the rotating shaft is connected with the rotating shaft supporting plate through the rotating shaft fixing screw hole, and the rotating shaft rotates around a central axis of the rotating shaft fixing screw hole.
3. The fixing structure according to claim 1, wherein a rotation shaft hole is provided in the rotation shaft support plate corresponding to the rotation shaft, the rotation shaft passes through the rotation shaft hole, and the rotation shaft rotates around a central axis of the rotation shaft hole.
4. The fixing structure according to claim 1, wherein the rocking bar is provided with a rotating shaft locking screw hole through which the rocking bar is fixed to the rear case.
5. The fixing structure according to claim 1, wherein a plurality of limiting posts are further disposed on the rear housing, and the limiting posts and the fasteners are respectively located on two sides of the rotating shaft.
6. The fixing structure according to claim 5, wherein when the clip is engaged with the notch, a side surface of the rotating shaft abuts against the limiting post.
7. The fixation structure of claim 1, wherein the catch is an L-shaped catch and the notch is an L-shaped notch.
8. The fixing structure according to claim 1, wherein the first angle and the second angle are both 90 °, and the third angle is 90 ° to 100 °.
9. A liquid crystal display device comprising the rear case screw-less fixing structure of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651310.8A CN110632778B (en) | 2018-06-22 | 2018-06-22 | Rear shell screw-free fixing structure and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651310.8A CN110632778B (en) | 2018-06-22 | 2018-06-22 | Rear shell screw-free fixing structure and liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110632778A CN110632778A (en) | 2019-12-31 |
| CN110632778B true CN110632778B (en) | 2022-05-17 |
Family
ID=68967206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810651310.8A Active CN110632778B (en) | 2018-06-22 | 2018-06-22 | Rear shell screw-free fixing structure and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110632778B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599267B (en) * | 2020-06-17 | 2022-05-27 | 高创(苏州)电子有限公司 | Rear shell assembly and display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537793A (en) * | 2012-02-16 | 2012-07-04 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN102809136A (en) * | 2012-08-07 | 2012-12-05 | 深圳市华星光电技术有限公司 | Display rear-panel and liquid crystal display |
| CN206181665U (en) * | 2016-09-07 | 2017-05-17 | 昆山龙腾光电有限公司 | Circuit board fixed structure and have its liquid crystal disply device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012208239A (en) * | 2011-03-29 | 2012-10-25 | Funai Electric Co Ltd | Liquid crystal display module and liquid crystal display |
| CN205029757U (en) * | 2015-09-28 | 2016-02-10 | 四川长虹电器股份有限公司 | TV set backplate structure that screwless makes up and joins in marriage |
| CN205402049U (en) * | 2016-02-23 | 2016-07-27 | 葛爱亮 | Rotatory buckle formula pipeline high -speed joint connects |
| CN205715139U (en) * | 2016-03-30 | 2016-11-23 | 广州汽车集团股份有限公司 | A kind of rotating shaft position-limit mechanism |
| CN205573454U (en) * | 2016-04-29 | 2016-09-14 | 东莞喜朋创意贸易有限公司 | Buckle connecting structure |
| CN207184343U (en) * | 2017-09-06 | 2018-04-03 | 湖北霍立克科技股份有限公司 | A kind of photovoltaic DC-to-AC converter |
| CN207278031U (en) * | 2017-09-27 | 2018-04-27 | 珠海优特电力科技股份有限公司 | Panel lock |
| CN107862989A (en) * | 2017-11-28 | 2018-03-30 | 青岛海信电器股份有限公司 | A kind of display device |
-
2018
- 2018-06-22 CN CN201810651310.8A patent/CN110632778B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537793A (en) * | 2012-02-16 | 2012-07-04 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN102809136A (en) * | 2012-08-07 | 2012-12-05 | 深圳市华星光电技术有限公司 | Display rear-panel and liquid crystal display |
| CN206181665U (en) * | 2016-09-07 | 2017-05-17 | 昆山龙腾光电有限公司 | Circuit board fixed structure and have its liquid crystal disply device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110632778A (en) | 2019-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110632778B (en) | Rear shell screw-free fixing structure and liquid crystal display device | |
| CN206554508U (en) | A kind of connection locking device of building template | |
| CN210831037U (en) | Display device frame and display device | |
| US10197836B2 (en) | Spliced display and display system | |
| TW201519828A (en) | Constitution of paneling furniture | |
| CN108953897A (en) | A kind of rotation lock, rotation latch mechanism and display device | |
| TWM599368U (en) | Supporting stand | |
| US11272635B2 (en) | Frame and electronic frame | |
| TWM471683U (en) | Fine adjustment mechanism and angle adjustment device comprising the same | |
| WO2017143673A1 (en) | Fixing structure and display device | |
| WO2022068305A1 (en) | Back support unit and back support | |
| KR101335808B1 (en) | Ginseng field frame connector | |
| CN104791374B (en) | Rotating mechanism | |
| CN208967368U (en) | A kind of rotation lock, rotation latch mechanism and display device | |
| CN110736002B (en) | Display device frame and display device | |
| WO2018129809A1 (en) | Fan blade mounting structure for ceiling fan, and ceiling fan having same | |
| CN210568663U (en) | Gas stove foot mounting structure | |
| CN112268593A (en) | Anti-dismantling structure of water meter metering system | |
| CN208169284U (en) | Special-shaped orifice plate and fastening structure | |
| CN206585705U (en) | Sound equipment self-locking connecting device | |
| WO2020107923A1 (en) | Fan | |
| CN209621083U (en) | Glass board mounting structure and shower house | |
| CN219999736U (en) | Quick-release lock catch and display screen using same | |
| CN209859516U (en) | Bendable LCM assembly structure | |
| CN211145863U (en) | Screen fixing plate for large-screen splicing wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Applicant after: Hisense Video Technology Co.,Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Applicant before: HISENSE ELECTRIC Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |