CN216748228U - Special easy-to-detach polarizer structure for light valve - Google Patents

Abstract

The utility model discloses a polarizer structure which is specially used for a light valve and is convenient to disassemble, which relates to the technical field of polarizers, comprising a light valve body and a polarizer body, wherein the polarizer body is arranged at the top of the light valve body, a limit cavity is arranged in the light valve body, the polarizer body is placed on the light valve body, a positioning block is inserted into the limit cavity, then a worker can rotate a transmission shaft to drive a driving bevel gear to rotate, then a driven bevel gear meshed and connected with one side of the driving bevel gear drives a two-way screw to rotate, then two threaded positioning rods in threaded connection on the two-way screw can relatively move, then the positioning block can be positioned, then an abutting rod is pressed to extrude a buffer spring, then two fixed blocks are rotated to correspond to a limit block, the abutting rod is loosened to lead the abutting rod to be subjected to the elastic action of the buffer spring and be clamped in the limit block, the position of the rotating block is limited, and the device has the effect of being convenient to disassemble.

Description

Special easy-to-detach polaroid structure for light valve

Technical Field

The utility model relates to a polaroid technical field especially relates to a special convenient to detach's of light valve polaroid structure.

Background

The polarizer is called a polarizer because a polarizer facing eyes of a general liquid crystal display is frosted to dissipate surface reflection and scatter light to increase a viewing angle of the liquid crystal display, and if any one polarizer is omitted, the liquid crystal display cannot display images, and the types of polarizers are increased as new liquid crystal display products are continuously developed.

The prior art (publication No. CN210109508U) provides a liquid crystal light valve LCD display, which includes an LCD display, a liquid crystal light valve disposed on the upper surface of the LCD display, and a prism sheet disposed on the upper surface of the liquid crystal light valve; the liquid crystal light valve comprises an upper polarizer and a lower polarizer which have the same polarization direction, and a liquid crystal box arranged between the upper polarizer and the lower polarizer; the liquid crystal box comprises an upper ITO layer and a lower ITO layer etched with grating slits, the positions of the grating slits of the upper ITO layer and the lower ITO layer are arranged in a one-to-one opposite mode, each grating slit is opposite to the interval between two rows of odd-row pixels and even-row pixels on the LCD, the upper surface of the light refraction piece is in a wave shape, and the protruding portion of the light refraction piece is opposite to the grating slits. The display can automatically switch 2D/3D modes and has a large viewing angle range.

However, the above LCD display with liquid crystal light valve still has the following problems in practical use: if the device is in the use, bond through the liquid crystal box between its light valve and the polaroid, it is comparatively difficult to dismantle, increase along with live time, often can accumulate more dust on its polaroid, if can not in time clear up it, probably influence the polarisation effect of device to a certain extent, and then influence the viewing effect when user uses the display, and because the device is consequently at the clearance in-process for the connected mode of bonding, the unable clean polaroid back, can only clear up one side of polaroid, clear effect has been influenced to a certain extent, and along with the continuous accumulation of dust, the polaroid also probably slowly becomes unable use, display screen cost of maintenance has been increased to a certain extent, therefore the device has certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special convenient to detach's of light valve polaroid structure has solved among the prior art inconvenient technical problem who dismantles the polaroid.

In order to solve the technical problem, the utility model provides a pair of special convenient to detach's of light valve polaroid structure includes: the polaroid body is arranged at the top of the light valve body, a limiting cavity is formed in the light valve body, an installing mechanism is formed in the light valve body, and a positioning mechanism is arranged on the light valve body.

Preferably, the bottom of light valve body is connected with the locating piece, locating piece sliding connection is on spacing chamber, spacing intracavity is connected with the conflict board, the locating piece is contradicted with the conflict board, the installation cavity has been seted up to one side of light valve body, it is connected with the transmission shaft to rotate on the installation cavity, be connected with drive bevel gear on the transmission shaft, the meshing of one side of drive bevel gear is connected with driven bevel gear, be connected with two-way screw on the driven bevel gear, the one end of two-way screw extends to spacing intracavity, two-way screw rotates to be connected in spacing intracavity, threaded connection has the screw locating lever on the two-way screw.

Preferably, positioning mechanism includes rotatory piece, rotatory piece is connected and is served at the transmission shaft extension to the outside one of light valve body, the bottom of rotatory piece is connected with two installation bases of mutual symmetry, it is connected with the fixed block to rotate on the installation base, it connects the chamber to have seted up in the fixed block, it is connected with buffer spring to connect the intracavity, buffer spring keeps away from the one end of connecting the chamber and is connected with the feeler lever, the one end of feeler lever extends to the outside of fixed block, the top of light valve body is connected with the stopper, the stopper is corresponding with the feeler lever, the constant head tank has been seted up in the stopper, the feeler lever is pegged graft in the constant head tank.

Preferably, the both sides of feeler lever all are connected with the guide bar, guide bar sliding connection is in connecting the intracavity, and this setting can provide certain limiting displacement to the slip of feeler lever, thereby has avoided the feeler lever to appear the skew at the slip in-process and lead to its unable condition of pegging graft to the spacing piece in.

Preferably, the touch rod is connected with two symmetrical force applying rods, and the touch rod can be conveniently pulled by a worker, so that force application is conveniently carried out in work.

Preferably, the stopper in-connection has the slipmat, should set up the stability when having improved the conflict pole and conflicting in the stopper, the condition that rocks appears when avoiding the conflict pole to contradict in the stopper.

Preferably, be connected with the protection pad on the screw thread locating lever, integrated into one piece has anti-skidding line on the protection pad, and this setting can improve the stability of screw thread locating lever centre gripping when on the locating piece.

Preferably, the bottom of screw thread locating lever is connected with the connection base, the bottom of connecting the base is provided with the pulley, pulley sliding connection is on the interior diapire in spacing chamber, and this setting can provide certain spacing and guide effect to the slip of screw thread locating lever, has improved the stability of screw thread locating lever at the slip in-process, has avoided the screw thread locating lever to take place the pivoted condition along with the rotation of two-way screw rod.

Preferably, the number of locating pieces is four, and this setting has improved the location effect of device to the polaroid body, has promoted the stability in the use.

Preferably, integrated into one piece has anti-skidding granule on the touch panel, anti-skidding granule's inside is cavity, and this setting can conveniently carry out first fixed to the locating piece, has made things convenient for the staff to install.

Compared with the prior art, the utility model provides a pair of special convenient to detach's of light valve polaroid structure has following beneficial effect:

1. the utility model discloses in, the device is in the use, can at first place the polaroid body on the light valve body, make the locating piece peg graft to spacing intracavity, then the rotatable transmission shaft of staff drives the rotation of drive bevel gear, then driven bevel gear that drive bevel gear one side meshing is connected drives the two-way screw rod and rotates, two threaded positioning pole of threaded connection can relative movement on the two-way screw rod afterwards, then can fix a position the locating piece, the device has solved among the prior art inconvenient problem of dismantling the polaroid body.

2. The utility model discloses in, the device is in the use, after accomplishing the locating piece location, the staff can press and make conflict pole extrusion buffer spring to the feeler lever, then rotate two fixed blocks and the stopper is corresponding, the staff can loosen the elastic action that makes the conflict pole receive buffer spring to the feeler lever afterwards, the joint is in the stopper, prescribe a limit to the position of rotatory piece, the device can improve the positioning effect of device to the locating piece, avoid the rotatory piece to appear the pivoted condition in the positioning process.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a polarizer structure for a light valve, which is easy to disassemble;

FIG. 2 is a schematic diagram of an internal structure of a polarizer structure for easy disassembly dedicated to a light valve;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

Reference numbers in the figures: 1. a light valve body; 2. a polarizer body; 3. a limiting cavity; 4. positioning blocks; 5. a touch plate; 6. a mounting cavity; 7. a drive shaft; 8. a drive bevel gear; 9. a driven bevel gear; 10. a bidirectional screw; 11. a threaded positioning rod; 12. rotating the block; 13. installing a base; 14. a fixed block; 15. a buffer spring; 16. a touch bar; 17. a limiting block; 18. a guide bar; 19. a force application rod; 20. a non-slip mat; 21. and a base is connected.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if there are the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" etc. referring to the indicated orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In a first embodiment, as shown in fig. 1 to 4, a polarizer structure for easy disassembly dedicated to light valves includes: the light valve comprises a light valve body 1 and a polaroid body 2, wherein the polaroid body 2 is arranged at the top of the light valve body 1, a limiting cavity 3 is arranged in the light valve body 1, an installing mechanism is arranged in the light valve body 1, a positioning mechanism is arranged on the light valve body 1, a positioning block 4 is connected at the bottom of the light valve body 1, the positioning block 4 is connected on the limiting cavity 3 in a sliding manner, a touch plate 5 is connected in the limiting cavity 3, the positioning block 4 is in touch with the touch plate 5, an installing cavity 6 is arranged at one side of the light valve body 1, a transmission shaft 7 is connected on the installing cavity 6 in a rotating manner, a driving bevel gear 8 is connected on the transmission shaft 7, a driven bevel gear 9 is connected at one side of the driving bevel gear 8 in a meshing manner, a bidirectional screw 10 is connected on the driven bevel gear 9, one end of the bidirectional screw 10 extends into the limiting cavity 3, the bidirectional screw 10 is connected in the limiting cavity 3 in a rotating manner, and a threaded positioning rod 11 is connected on the bidirectional screw 10, positioning mechanism includes rotatory piece 12, rotatory piece 12 is connected and is served at one of transmission shaft 7 extension to 1 outside of light valve body, the bottom of rotatory piece 12 is connected with two installation bases 13 of mutual symmetry, it is connected with fixed block 14 to rotate on the installation base 13, it connects the chamber to have seted up in the fixed block 14, it is connected with buffer spring 15 to connect the intracavity, buffer spring 15 keeps away from the one end of connecting the chamber and is connected with touch-bar 16, the one end that touches-bar 16 extends to the outside of fixed block 14, the top of light valve body 1 is connected with stopper 17, stopper 17 is corresponding with touch-bar 16, set up the constant head tank in the stopper 17, it pegs graft in the constant head tank to touch-bar 16.

Second embodiment, on the basis of first embodiment, the both sides of touch-sensitive lever 16 all are connected with guide bar 18, and guide bar 18 sliding connection is in connecting the intracavity, and this setting can provide certain limiting displacement to touch-sensitive lever 16's slip, thereby has avoided touch-sensitive lever 16 to appear the skew at the slip in-process and lead to its unable condition of pegging graft to stopper 17 in.

In the third embodiment, on the basis of the first embodiment, the two symmetrical force applying rods 19 are connected to the touch rod 16, and this arrangement facilitates the pulling of the touch rod 16 by the worker, thereby facilitating the application of force during work.

Fourth embodiment, on the basis of first embodiment, limiting block 17 in-connection has slipmat 20, and this setting has improved the stability of conflict pole 16 when conflicting in limiting block 17, the condition that appears rocking when avoiding conflicting pole 16 to contradict in limiting block 17.

Fifth, on the basis of the first embodiment, the threaded positioning rod 11 is connected with a protection pad, and the protection pad is integrally formed with anti-skid lines, so that the stability of the threaded positioning rod 11 clamped on the positioning block 4 can be improved.

In the sixth embodiment, on the basis of the first embodiment, the bottom of the threaded positioning rod 11 is connected with the connecting base 21, the bottom of the connecting base 21 is provided with the pulley, the pulley is connected to the inner bottom wall of the limiting cavity 3 in a sliding manner, and the arrangement can provide certain limiting and guiding effects for the sliding of the threaded positioning rod 11, so that the stability of the threaded positioning rod 11 in the sliding process is improved, and the situation that the threaded positioning rod 11 rotates along with the rotation of the two-way screw 10 is avoided.

Seventh, on the basis of the first embodiment, the number of the positioning blocks 4 is four, which improves the positioning effect of the device on the polarizer body 2 and improves the stability in the using process.

Eighth embodiment, on the basis of first embodiment, integrated into one piece has anti-skidding granule on the touch-sensitive plate 5, and anti-skidding granule's inside is cavity, and this setting can conveniently carry out first fixed to locating piece 4, has made things convenient for the staff to install.

The working principle is as follows:

when the polarizer body 2 needs to be positioned:

firstly place polaroid body 2 on light valve body 1, make locating piece 4 peg graft to spacing intracavity 3, then the staff can rotate transmission shaft 7 and drive the rotation of drive bevel gear 8, then the driven bevel gear 9 that 8 one sides of drive bevel gear meshing is connected drives two-way screw rod 10 and rotates, two threaded positioning rod 11 of threaded connection can relative movement on the two-way screw rod 10 afterwards, then can fix a position locating piece 4, the device has solved among the prior art inconvenient problem of dismantling polaroid body 2.

After the positioning is completed:

according to 16 messenger's of pressing touch-sensitive lever 16 extrusion buffer spring 15, then rotate two fixed blocks 14 and stopper 17 corresponding, the staff can loosen the touch-sensitive lever 16 afterwards and make touch-sensitive lever 16 receive buffer spring 15's elastic force effect, and the joint is injectd the position of rotatory piece 12 in stopper 17, and the device can improve the device and to the location effect of locating piece 4, avoids rotatory piece 12 to appear the pivoted condition in the location process.

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 (10)

1. A polarizer structure for easy disassembly specially used for light valve comprises: the light valve comprises a light valve body (1) and a polaroid body (2), wherein the polaroid body (2) is arranged at the top of the light valve body (1), and the light valve is characterized in that a limiting cavity (3) is formed in the light valve body (1), an installing mechanism is formed in the light valve body (1), and a positioning mechanism is arranged on the light valve body (1).

2. The polarizer structure convenient to detach for light valve according to claim 1, wherein a positioning block (4) is connected to the bottom of the light valve body (1), the positioning block (4) is slidably connected to a limiting cavity (3), a touch plate (5) is connected in the limiting cavity (3), the positioning block (4) is in touch with the touch plate (5), a mounting cavity (6) is formed in one side of the light valve body (1), a transmission shaft (7) is rotatably connected to the mounting cavity (6), a driving bevel gear (8) is connected to the transmission shaft (7), a driven bevel gear (9) is engaged and connected to one side of the driving bevel gear (8), a bidirectional screw (10) is connected to the driven bevel gear (9), one end of the bidirectional screw (10) extends into the limiting cavity (3), the bidirectional screw (10) is rotatably connected to the limiting cavity (3), the two-way screw rod (10) is in threaded connection with a threaded positioning rod (11).

3. The polarizer structure special for light valves and convenient to detach according to claim 2, wherein the positioning mechanism comprises a rotating block (12), the rotating block (12) is connected to one end of the transmission shaft (7) extending to the outside of the light valve body (1), the bottom of the rotating block (12) is connected to two symmetrical mounting bases (13), the mounting bases (13) are rotatably connected to a fixed block (14), a connecting cavity is formed in the fixed block (14), a buffer spring (15) is connected in the connecting cavity, one end of the buffer spring (15) far away from the connecting cavity is connected to a touch rod (16), one end of the touch rod (16) extends to the outside of the fixed block (14), the top of the light valve body (1) is connected to a limit block (17), and the limit block (17) corresponds to the touch rod (16), a positioning groove is formed in the limiting block (17), and the contact rod (16) is inserted in the positioning groove.

4. A polarizer structure for easy disassembly dedicated to light valves as claimed in claim 3, wherein the two sides of the touch bar (16) are connected with guide rods (18), and the guide rods (18) are slidably connected in the connecting cavities.

5. A light valve specific easy-to-detach polarizer structure according to claim 3, characterized in that two force applying rods (19) symmetrical to each other are connected to the touch bar (16).

6. A polarizer structure for light valves to be detached easily as claimed in claim 3, wherein a non-slip pad (20) is connected inside the limiting block (17).

7. The polarizer structure of claim 2, wherein the threaded positioning rod (11) is connected with a protective pad, and the protective pad is integrally formed with anti-slip lines.

8. The polarizer structure convenient to detach for light valve as claimed in claim 2, wherein the bottom of the threaded positioning rod (11) is connected with a connecting base (21), the bottom of the connecting base (21) is provided with a pulley, and the pulley is slidably connected to the inner bottom wall of the limiting cavity (3).

9. A polarizer structure for light valves to facilitate disassembly according to claim 2, wherein the number of the positioning blocks (4) is four.

10. A polarizer structure for light valves to be easily detached as claimed in claim 2, wherein the touch panel (5) is integrally formed with anti-slip particles, and the anti-slip particles are hollow inside.

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