CN112077771A - Circular backlight location frock - Google Patents
Circular backlight location frock Download PDFInfo
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- CN112077771A CN112077771A CN202010954267.XA CN202010954267A CN112077771A CN 112077771 A CN112077771 A CN 112077771A CN 202010954267 A CN202010954267 A CN 202010954267A CN 112077771 A CN112077771 A CN 112077771A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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Abstract
The application relates to a circular backlight positioning tool, which comprises a positioning frame, wherein the positioning frame comprises an annular frame and a plurality of vertical supporting rods, the number of the vertical supporting rods is vertically arranged, one annular frame is arranged at two ends of each vertical supporting rod, the inner diameter of each annular frame is the same as that of a circular backlight to be positioned, a film clamping piece is arranged on each vertical supporting rod and positioned on the inner circle side of each annular frame, the film clamping pieces are arranged on the vertical supporting rods in a sliding mode along the length direction of the vertical supporting rods, every two adjacent film clamping pieces are connected through an arc-shaped rod and comprise sliding blocks, the upper supporting block and the lower supporting block are arranged in the sliding block in a horizontal sliding mode, a space for placing a film is reserved between the upper supporting block and the lower supporting block, the sliding block is arranged on the vertical supporting rod in a sliding mode, and a positioning assembly for positioning the film on the film clamping piece in the circular backlight source is arranged on the annular frame at the upper end of the positioning frame. This application has the effect of being convenient for fix a position the membrane material of circular backlight.
Description
Technical Field
The application relates to the field of backlight processing, in particular to a circular backlight positioning tool.
Background
Currently, backlights are used. Is a light source located at the back of the liquid crystal display, and the lighting effect of the light source directly affects the visual effect of the liquid crystal display module. The liquid crystal display does not emit light, displays figures or characters as a result of light modulation, and is widely applied to industries such as touch screens, backlight sources, LCD/LCM, mobile phones, tablet computers, GPS, solar cells and the like.
In the related technology, the backlight source is composed of a reflecting film, a light guide plate frame, a lower diffusion film, a brightness enhancement film and an upper diffusion film which are sequentially stacked in a bearing frame plate, an LED lamp shines from one side of the light guide plate frame, bright light emitted by the light guide plate frame shines on the lower diffusion film after being reflected by the reflecting film, light of the lower diffusion film continues to shine on the brightness enhancement film for brightness enhancement, and finally the enhanced light is diffused to the whole surface from the upper diffusion film. The backlight needs the stack membrane material when adding man-hour, need fix a position the stack membrane material when the stack membrane material, prevents to appear the deviation between the membrane material.
For the related technologies, the inventor thinks that the positioning of the film in the related technologies requires a straight edge to adhere to the wall, and the edges of the circular backlight are all arc edges, so that the positioning difficulty of the film is improved.
Disclosure of Invention
In order to facilitate the location of the membrane material of circular backlight, the application provides a circular backlight location frock.
The application provides a circular backlight location frock adopts following technical scheme:
a round backlight positioning tool comprises a positioning frame, wherein the positioning frame comprises an annular frame and a vertical supporting rod, a plurality of vertical supporting rods are vertically arranged, one annular frame is arranged at each of two ends of each vertical supporting rod, the inner diameter of the annular frame is the same as that of the round backlight source to be positioned, a film clamping piece is arranged on the vertical supporting rod and positioned on the inner ring side of the annular frame, the film clamping pieces are arranged on the vertical supporting rod in a sliding manner along the length direction of the vertical supporting rod, two adjacent film clamping pieces are connected through an arc-shaped rod, the film clamping piece comprises a sliding block, an upper supporting block and a lower supporting block, the upper supporting block and the lower supporting block are horizontally arranged in the sliding block in a sliding manner, a space for placing the film is reserved between the upper supporting block and the lower supporting block, the sliding block is arranged on the vertical supporting rod in a sliding manner, and the annular frame at the upper end of the positioning frame is provided with a positioning component for positioning the film material on the film clamping piece in the circular backlight source.
By adopting the technical scheme, when the circular film material is placed in the circular backlight source, the positioning frame is firstly placed above the circular backlight source, so that the annular frame on the positioning frame is coincided with the central axis of the circular backlight source, and then the upper abutting block is moved away, so that the upper abutting block slides into the sliding block; directly placing the film materials on a plurality of lower supporting blocks in a positioning frame, stacking all the film materials on the lower supporting blocks, moving an upper supporting block out of a sliding block to enable the lower supporting blocks and the upper supporting blocks to clamp a plurality of film materials, and vertically moving the sliding block downwards until the sliding block is positioned close to a circular backlight source; at the moment, the film materials superposed on the film clamping piece are positioned in the circular backlight source through the positioning assembly, and then the lower support blocks on the plurality of sliding blocks slide into the sliding blocks, so that the film materials are not supported by the lower support blocks any more, and the film materials fall into the circular backlight source under natural gravity, thereby realizing the positioning and installation of the circular film materials; after the arrangement, the effect of conveniently positioning the circular membrane material can be achieved under the condition that the straight edge is not arranged.
Optionally, a sliding groove is formed in the vertical supporting rod, the length direction of the sliding groove is the same as that of the vertical supporting rod, the sliding block is inserted into the sliding groove, the width of the sliding groove is the same as that of the sliding block, a vertical groove for the arc-shaped rod to penetrate out and slide is vertically formed in the side wall of the vertical supporting rod, and the vertical groove is communicated with the sliding groove.
By adopting the technical scheme, when the sliding block is shifted in the length direction of the vertical support, the sliding block can move along the length direction of the sliding groove, so that the sliding block can move in the length direction of the vertical support, and the effect of moving the sliding block conveniently is achieved; and the setting of arc pole then can let a plurality of sliding blocks slide in vertical direction simultaneously to the setting in vertical groove also can let the arc pole normally remove.
Optionally, a polytetrafluoroethylene layer covers the inner wall of the sliding groove.
By adopting the technical scheme, the polytetrafluoroethylene is generally called as a non-stick coating or an easy-to-clean material. The material has the characteristics of high temperature resistance and extremely low friction coefficient, so that the material is coated in the sliding groove, and the sliding block can slide more smoothly in the sliding groove.
Optionally, the sliding block is provided with a supporting member for supporting the sliding block in the sliding groove.
Through adopting above-mentioned technical scheme, support setting up of tight piece and can conveniently fix a position the sliding block in the sliding tray.
Optionally, the abutting piece comprises a threaded rod, a spring and an abutting block, a threaded hole is formed in the sliding block along the length direction of the sliding block, the threaded rod is inserted in the threaded hole, the sliding block is provided with propping holes at both sides of the threaded hole, the propping hole is vertical to and communicated with the threaded hole, an opening at one side of the propping hole, which is far away from the threaded hole, is opposite to the inner side wall of the sliding groove, the propping block is inserted in the propping hole in a sliding way, the end part of the threaded rod is provided with a conical propping block, one side of the propping block, which is positioned in the threaded hole, is provided with an inclined propping surface which is used for propping against the inclined surface of the conical propping block, the spring is sleeved on the propping block, one end of the spring is connected with the block wall of the propping block, the other end of the spring is connected with the inner wall of the propping hole, and the spring enables the propping block to always have the trend of moving towards the threaded hole side.
By adopting the technical scheme, when the film material is placed on the plurality of lower supporting blocks, the sliding blocks need to be positioned; when the sliding block is positioned, the threaded rod is directly rotated in the threaded hole, so that the threaded rod gradually moves into the threaded hole along the length direction of the threaded hole; the threaded rod enables the conical abutting block to abut against the inclined abutting surface of the abutting block in the moving process; with the continuous movement of the threaded rod, the conical abutting block can gradually occupy the position of the abutting block in the threaded hole, and the abutting block is further extruded into the abutting hole; after the ejecting block enters the ejecting hole, the other end of the ejecting block penetrates out of the ejecting hole and abuts against the inner wall of the sliding groove; because the both sides of screw hole have all been seted up and have been supported the hole, then the piece that supports out of both sides all can the butt to two inside walls of sliding tray, the sliding block receives the restriction that supports out the piece this moment just can not slide along the length direction of sliding tray by oneself, and then reaches the comparatively convenient effect of fixed sliding block.
Optionally, one side of the propping block, which faces the inner wall of the sliding groove, is provided with a rubber propping block.
Through adopting above-mentioned technical scheme, after the tip that supports out the piece sets up rubber and supports tight piece, the tip that supports out the piece can not directly with the inside wall looks butt of sliding tray to can avoid to a certain extent to support out the piece and support badly the inside wall of sliding tray.
Optionally, the sliding block is provided with jacks at the upper and lower sides of the threaded hole, the length direction of the jacks is consistent with that of the threaded hole, the upper abutting block and the lower supporting block are respectively inserted into the two jacks, a rubber layer is coated on the inner wall of each jack, and the upper abutting block and the lower supporting block are abutted against the rubber layer at the part located in the jack.
By adopting the technical scheme, after the insertion hole is formed in the sliding block, the upper supporting block or the lower supporting block is directly pushed into the insertion hole, so that the movement of the upper supporting block and the lower supporting block can be realized, and the effect of conveniently changing the positions of the upper supporting block and the lower supporting block is achieved; the rubber layer can enable the upper abutting block and the lower abutting block to move and stop in the sliding process, and the effect of preventing the upper abutting block and the lower supporting block from moving automatically is achieved to a certain extent.
Optionally, a push-pull rod is arranged at one end of the upper support block, which is away from the positioning frame, and a push-pull rod is also arranged at one end of the lower support block, which is away from the positioning frame, and the push-pull rod extends out of the jack and then extends to the outer side of the sliding block.
By adopting the technical scheme, the upper supporting block and the lower supporting block can be more conveniently moved by the arrangement of the push-pull rod.
Optionally, a plurality of support rods are arranged at the lower end of the annular frame, gaps for placing the circular backlight source are reserved among the support rods, the gaps are matched with the circular backlight source, and when the circular backlight source is placed in the gaps, the axis of the circular backlight source is overlapped with the axis of the annular frame.
Through adopting above-mentioned technical scheme, after setting up a plurality of bracing pieces, when placing the locating rack in circular backlight top, directly fix a position circular backlight through a plurality of bracing pieces for circular backlight can be in the space between a plurality of bracing pieces, thereby reaches the effect that lets the axis of circular backlight coincide mutually with the axis of annular frame.
Optionally, the locating component includes dwang, horizontal pole, a location section of thick bamboo and locating lever, it is provided with to rotate on the annular frame of locating rack top the dwang, the top of dwang is provided with the horizontal pole, the one end that the dwang was kept away from to the horizontal pole is provided with a location section of thick bamboo, vertical the inserting is equipped with in the location section of thick bamboo the locating lever, the one end that the locating lever is close to ground is provided with the location block rubber, the screw thread is worn to be equipped with on the section of thick bamboo wall of a location section of thick bamboo and is used for supporting the locating lever tightly the tight bolt that supports in a location section of thick bamboo, be provided with on the lateral wall of dwang and hinder the commentaries on classics piece, be provided with the laminating piece that laminates mutually with hindering the commentaries.
By adopting the technical scheme, after the sliding block drives the film material to be close to the lower round backlight source, the sliding block is fixed through the propping block, the rotating rod is rotated at the moment, the rotating rod drives the cross rod to rotate, and the positioning rod is positioned on the axis of the round backlight source at the moment until the rotating block is attached to the attaching block; then, the abutting bolt is loosened, the positioning rod is vertically pushed downwards, the positioning rubber block at the end part of the positioning rod abuts against the center of the membrane material, and the membrane material is slightly deformed until the positioning rubber block pushes the membrane material to abut against the inner bottom wall of the circular backlight source; then pull the catch bar outward toward the locating rack for in the plug jack is moved into to lower tray, the membrane material just can directly fall into circular backlight after not receiving the support of tray down, and the central point of membrane material puts the rubber block location of having already been fixed a position in circular backlight this moment, then can enter into circular backlight according to the good position of location in advance after the membrane material shifts into circular backlight completely, and then reach the comparatively convenient effect in locating circular backlight to the membrane material.
In summary, the present application includes at least one of the following beneficial technical effects:
when the circular film material is placed into the circular backlight source, firstly, the positioning frame is placed above the circular backlight source, so that the annular frame on the positioning frame is coincided with the central axis of the circular backlight source, and then the upper abutting block is moved away, so that the upper abutting block slides into the sliding block; directly placing the film materials on a plurality of lower supporting blocks in a positioning frame, stacking all the film materials on the lower supporting blocks, moving an upper supporting block out of a sliding block to enable the lower supporting blocks and the upper supporting blocks to clamp a plurality of film materials, and vertically moving the sliding block downwards until the sliding block is positioned close to a circular backlight source; at the moment, the film materials superposed on the film clamping piece are positioned in the circular backlight source through the positioning assembly, and then the lower support blocks on the plurality of sliding blocks slide into the sliding blocks, so that the film materials are not supported by the lower support blocks any more, and the film materials fall into the circular backlight source under natural gravity, thereby realizing the positioning and installation of the circular film materials; after the arrangement, the effect of conveniently positioning the circular membrane material can be achieved under the condition that the straight edge is not arranged;
when the membrane material is placed on the plurality of lower supporting blocks, the sliding blocks need to be positioned; when the sliding block is positioned, the threaded rod is directly rotated in the threaded hole, so that the threaded rod gradually moves into the threaded hole along the length direction of the threaded hole; the threaded rod enables the conical abutting block to abut against the inclined abutting surface of the abutting block in the moving process; with the continuous movement of the threaded rod, the conical abutting block can gradually occupy the position of the abutting block in the threaded hole, and the abutting block is further extruded into the abutting hole; after the ejecting block enters the ejecting hole, the other end of the ejecting block penetrates out of the ejecting hole and abuts against the inner wall of the sliding groove; because the two sides of the threaded hole are provided with the propping holes, the propping blocks at the two sides can be propped against the two inner side walls of the sliding groove, and the sliding block cannot automatically slide along the length direction of the sliding groove under the limitation of the propping blocks at the moment, so that the effect of more convenient fixing of the sliding block is achieved;
when the sliding block drives the film material to be close to the lower round backlight source, the sliding block is fixed through the propping-out block, the rotating rod is rotated at the moment, the rotating rod drives the cross rod to rotate, and when the rotation blocking block is attached to the attaching block, the positioning rod is positioned on the axis of the round backlight source at the moment; then, the abutting bolt is loosened, the positioning rod is vertically pushed downwards, the positioning rubber block at the end part of the positioning rod abuts against the center of the membrane material, and the membrane material is slightly deformed until the positioning rubber block pushes the membrane material to abut against the inner bottom wall of the circular backlight source; then pull the catch bar outward toward the locating rack for in the plug jack is moved into to lower tray, the membrane material just can directly fall into circular backlight after not receiving the support of tray down, and the central point of membrane material puts the rubber block location of having already been fixed a position in circular backlight this moment, then can enter into circular backlight according to the good position of location in advance after the membrane material shifts into circular backlight completely, and then reach the comparatively convenient effect in locating circular backlight to the membrane material.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
FIG. 3 is a partial cross-sectional view of an embodiment of the present application showing an abutment.
FIG. 4 is a partial cross-sectional view of a jack for use with an embodiment of the present application.
Description of reference numerals: 1. a positioning frame; 11. an annular frame; 111. fitting blocks; 12. a vertical strut; 121. a sliding groove; 122. a vertical slot; 2. a film clamping piece; 21. a slider; 211. an arcuate bar; 212. a hole is pushed out; 223. a threaded hole; 224. a jack; 22. an upper resisting block; 23. a lower supporting block; 3. a positioning assembly; 31. rotating the rod; 311. a rotation resistance block; 32. a cross bar; 33. a positioning cylinder; 331. tightly abutting against the bolt; 34. positioning a rod; 341. positioning a rubber block; 4. an abutting piece; 41. a threaded rod; 411. a conical resisting block; 42. a spring; 43. pushing out the block; 431. inclining the butting face; 432. a rubber abutting block; 5. a push-pull rod; 6. a support bar; 7. a void.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses circular backlight location frock. Referring to fig. 1 and 2, the circular backlight positioning tool comprises a positioning frame 1, wherein the positioning frame 1 comprises an annular frame 11 and a plurality of vertical supporting rods 12, the plurality of vertical supporting rods 12 are vertically arranged, and the annular frame 11 is arranged at two ends of each vertical supporting rod 12; the shape of the annular frame 11 is circular, and the inner diameter of the annular frame 11 is the same as that of a circular backlight source to be positioned; the film clamping piece 2 is arranged on the vertical supporting rod 12 and positioned on the inner ring side of the annular frame 11, and the film clamping piece 2 is used for clamping a film material to be placed in the circular backlight source; the film clamping pieces 2 are arranged on the vertical supporting rods 12 in a sliding mode along the length direction of the vertical supporting rods 12, and every two adjacent film clamping pieces 2 are connected through the arc-shaped rods 211. The film clamping piece 2 comprises a sliding block 21, an upper supporting block 22 and a lower supporting block 23, the upper supporting block 22 and the lower supporting block 23 are horizontally arranged in the sliding block 21 in a sliding mode, a space for placing a film material is reserved between the upper supporting block 22 and the lower supporting block 23, and the sliding block 21 is arranged on the vertical supporting rod 12 in a sliding mode. It should be noted that in the present application, the space between the upper abutting block 22 and the lower supporting block 23 is set according to the number of the film materials to be placed, that is, the span of the space is just capable of placing the corresponding number of the film materials; the annular frame 11 at the upper end of the positioning frame 1 is provided with a positioning component 3, and the positioning component 3 is used for positioning the film material on the film clamping piece 2 in the circular backlight source.
As shown in fig. 1, a plurality of support rods 6 are arranged at the lower end of the annular frame 11, gaps 7 for placing the circular backlight source are left among the plurality of support rods 6, the gaps 7 are matched with the circular backlight source, and when the circular backlight source is placed in the gaps 7, the axis of the circular backlight source is overlapped with the axis of the annular frame 11. After setting up a plurality of bracing pieces 6, when placing locating rack 1 in circular backlight top, directly fix a position circular backlight through a plurality of bracing pieces 6 for circular backlight can be in the space 7 between a plurality of bracing pieces 6, thereby reaches the effect that lets the axis of circular backlight coincide mutually with the axis of annular frame 11.
As shown in fig. 1 and 2, a sliding groove 121 is vertically formed in the vertical support rod 12, the length direction of the sliding groove 121 is the same as the length direction of the vertical support rod 12, and two sides of the sliding groove 121 are open; the sliding block 21 is inserted in the sliding groove 121, and the width of the sliding groove 121 is the same as that of the sliding block 21; in order to slide the slide block 21 more smoothly in the slide groove 121, a polytetrafluoroethylene layer is coated on the inner wall of the slide groove 121. It should be noted that the end of the slide block 21 close to the inside of the positioning frame 1 does not extend out of the slide groove 121, but is flush with the opening surface of the slide groove 121; an arc-shaped rod 211 is connected between two adjacent sliding blocks 21, a vertical groove 122 for the arc-shaped rod 211 to penetrate out and slide is vertically formed in the side wall of the vertical supporting rod 12, and the vertical groove 122 is communicated with the sliding groove 121. It is noted that the arc-shaped lever 211 also serves to stabilize the slide block 21 in the slide groove 121, so that the slide block 21 is not easily displaced in the slide groove 121.
When the sliding block 21 is shifted in the length direction of the vertical support rod 12, the sliding block 21 moves along the length direction of the sliding groove 121, so that the sliding block 21 moves in the length direction of the vertical support rod 12, and the effect of conveniently moving the sliding block 21 is achieved; the arc-shaped rods 211 are arranged to allow the sliding blocks 21 to slide in the vertical direction at the same time, and the vertical slots 122 are arranged to allow the arc-shaped rods 211 to move normally.
As shown in fig. 2 and 3, the sliding block 21 is provided with an abutting member 4, and the abutting member 4 is used for abutting the sliding block 21 in the sliding groove 121. Specifically, the abutting member 4 includes a threaded rod 41, a spring 42 and an abutting block 43, a threaded hole 223 is formed in the sliding block 21 along the length direction of the sliding block 21, the threaded hole 223 is formed in the sliding block 21 in a manner that an opening is formed in one end of the sliding block 21, and the other end of the sliding block is sealed, i.e., the end of the sliding block 21 away from the positioning frame 1 is the opening end of the threaded hole 223. The threaded rod 41 is inserted into the threaded hole 223 in a threaded manner, the sliding block 21 is provided with abutting holes 212 on two sides of the threaded hole 223, and the abutting holes 212 are perpendicular to and communicated with the threaded hole 223; the opening of the side of the abutting hole 212 departing from the threaded hole 223 faces the inner side wall of the sliding groove 121, and the abutting block 43 is slidably inserted into the abutting hole 212. The end of the threaded rod 41 in the threaded hole 223 is provided with a conical abutting block 411, one side of the abutting-out block 43 in the threaded hole 223 is provided with an inclined abutting surface 431, and one end of the abutting-out block 43 departing from the inclined abutting surface 431 is provided with a rubber abutting block 432. The inclined abutting surface 431 is used for abutting against the inclined surface of the conical abutting block 411, and the rubber abutting block 432 is used for preventing the end part of the abutting block 43 from directly abutting against the inner side wall of the sliding groove 121, so that the abutting block 43 can be prevented from abutting against the inner side wall of the sliding groove 121 to a certain extent. The spring 42 is sleeved on a section of the abutting-out block 43 located in the abutting-out hole 212, one end of the spring 42 is connected with the block wall of the abutting-out block 43, the other end of the spring 42 is connected with the inner wall of the abutting-out hole 212, and the spring 42 enables the abutting-out block 43 to always have a tendency of moving towards the threaded hole 223 side.
When the film material is placed on the plurality of lower supporting blocks 23, the sliding blocks 21 need to be positioned; when the sliding block 21 is positioned, the threaded rod 41 is directly rotated in the threaded hole 223, so that the threaded rod 41 gradually moves into the threaded hole 223 along the length direction of the threaded hole 223; the threaded rod 41 will make the conical abutting block 411 abut against the inclined abutting surface 431 of the abutting block 43 in the moving process; as the threaded rod 41 continues to move, the conical abutting block 411 gradually occupies the position of the abutting block 43 in the threaded hole 223, and presses the abutting block 43 into the abutting hole 212; after the pushing-out block 43 enters the pushing-out hole 212, the other end of the pushing-out block 43 passes through the pushing-out hole 212 and is pushed against the inner wall of the sliding groove 121; because the both sides of screw hole 223 have all been seted up and have been supported a hole 212, then the piece 43 that supports of both sides all can support to two inside walls of sliding tray 121 on, the restriction that sliding block 21 received the piece 43 that supports this moment just can not slide along the length direction of sliding tray 121 by oneself, and then reaches the comparatively convenient effect of fixed sliding block 21.
As shown in fig. 4, the sliding block 21 is provided with insertion holes 224 on both the upper and lower sides of the threaded hole 223, the length direction of the insertion holes 224 is the same as the length direction of the threaded hole 223, the upper abutting block 22 and the lower supporting block 23 are respectively inserted into the two insertion holes 224, the inner walls of the insertion holes 224 are covered with a rubber layer, and the parts of the upper abutting block 22 and the lower supporting block 23 located in the insertion holes 224 are abutted against the rubber layer. In order to facilitate pulling of the upper abutting block 22 and the lower abutting block, a push-pull rod 5 is arranged at one end of the upper abutting block 22 away from the positioning frame 1, a push-pull rod 5 is also arranged at one end of the lower supporting block 23 away from the positioning frame 1, and the push-pull rod 5 extends out of the insertion hole 224 to the outside of the sliding block 21.
After the insertion hole 224 is formed in the sliding block 21, the upper abutting block 22 or the lower supporting block 23 is directly pushed into the insertion hole 224, so that the upper abutting block 22 and the lower supporting block 23 can move, and the effect of conveniently changing the positions of the upper abutting block 22 and the lower supporting block 23 is achieved; the push-pull rod 5 is arranged to move the upper holding block 22 and the lower holding block 23 more conveniently. The rubber layer can stop the upper abutting block 22 and the lower abutting block 23 in the sliding process, so as to prevent the upper abutting block 22 and the lower supporting block 23 from moving automatically to a certain extent.
As shown in fig. 1, the positioning assembly 3 includes a rotating rod 31, a cross rod 32, a positioning cylinder 33 and a positioning rod 34, the rotating rod 31 is rotatably arranged on the annular frame 11 above the positioning frame 1, the cross rod 32 is arranged at the top of the rotating rod 31, the positioning cylinder 33 is arranged at one end of the cross rod 32 far away from the rotating rod 31, the positioning rod 34 is vertically inserted in the positioning cylinder 33, and a positioning rubber block 341 is arranged at one end of the positioning rod 34 close to the ground; a tight-resisting bolt 331 is threaded through the wall of the positioning cylinder 33, and the tight-resisting bolt 331 is used for tightly resisting the positioning rod 34 in the positioning cylinder 33; the side wall of the rotating rod 31 is provided with a rotation stopping block 311, the annular frame 11 at the upper end of the positioning frame 1 is provided with a fitting block 111 fitted with the rotation stopping block 311, and when the rotation stopping block 311 is fitted with the fitting block 111, the positioning rod 34 is positioned on the vertical axis of the annular frame 11. In this embodiment, the rotation blocking block 311 is an iron block, and the attaching block 111 is a magnet block, when the rotation blocking block 311 and the attaching block 111 are attached together, the rotation blocking block 311 and the attaching block 111 are tightly attracted together by the magnetic force, so as to prevent the rotation blocking block 311 and the attaching block 111 from being detached again after being attached together to a certain extent.
After the sliding block 21 is provided with the film material close to the lower circular backlight source, the sliding block 21 is fixed through the pushing-out block 43, the rotating rod 31 is rotated at this time, the rotating rod 31 is provided with the cross rod 32 to rotate, and the positioning rod 34 is positioned on the axis of the circular backlight source at this time when the rotating-blocking block 311 is attached to the attaching block 111; then, the abutting bolt 331 is loosened, the positioning rod 34 is pushed vertically downwards, the positioning rubber block 341 at the end of the positioning rod 34 abuts against the center of the film material, and the film material is slightly deformed until the positioning rubber block 341 pushes the film material to abut against the inner bottom wall of the circular backlight source; then, the push rod is pulled outwards from the positioning frame 1, so that the lower supporting block 23 is moved into the jack 224, the film material can directly fall into the circular backlight source after being not supported by the lower supporting block 23, the central position of the film material is already positioned in the circular backlight source by the positioning rubber block 341, the film material can enter the circular backlight source according to the pre-positioned position after being completely moved into the circular backlight source, and the effect of positioning the film material into the circular backlight source is achieved conveniently.
The implementation principle of the circular backlight positioning tool in the embodiment of the application is as follows: when a circular film material is placed in the circular backlight source, the positioning frame 1 is firstly placed above the circular backlight source, so that the annular frame 11 on the positioning frame 1 coincides with the central axis of the circular backlight source, then the positioning rod 34 is rotated to the outer side of the positioning frame 1, then the upper supporting block 22 is pushed into the jack 224, the lower supporting block 23 is pushed towards the inner side of the positioning frame 1, the lower supporting block 23 protrudes out, and the film material is immediately and directly placed on the plurality of lower supporting blocks 23 in the positioning frame 1. After all the films are stacked on the lower supporting blocks 23, the upper supporting block 22 is moved out of the sliding block 21, so that the lower supporting blocks 23 and the upper supporting blocks clamp the films, and then the sliding block 21 is vertically moved downwards until the sliding block 21 is positioned close to the circular backlight source; at this time, the positioning rod 34 is rotated to make the positioning rod 34 be positioned on the axis of the circular backlight source, then the abutting bolt 331 is loosened, the positioning rod 34 is vertically pressed downwards, the positioning rubber block 341 at the end part of the positioning rod 34 abuts against the center of the film material, and the film material is slightly deformed until the positioning rubber block 341 pushes the film material to abut against the inner bottom wall of the circular backlight source; then, the push rod is pulled out of the positioning frame 1, so that the lower supporting block 23 is moved into the jack 224, the film material can directly fall into the circular backlight source after being not supported by the lower supporting block 23, the central position of the film material is already positioned in the circular backlight source by the positioning rubber block 341, and the film material can enter the circular backlight source according to the pre-positioned position after completely moving into the circular backlight source, so that the positioning and the installation of the circular film material are realized; after the arrangement, the effect of conveniently positioning the circular membrane material can be achieved under the condition that the straight edge is not arranged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a circular backlight location frock which characterized in that: the device comprises a positioning frame (1), wherein the positioning frame (1) comprises an annular frame (11) and vertical supporting rods (12), a plurality of vertical supporting rods (12) are vertically arranged, one annular frame (11) is arranged at each of two ends of each vertical supporting rod (12), the inner diameter of each annular frame (11) is the same as the inner diameter of a circular backlight source to be positioned, a film clamping piece (2) is arranged on each vertical supporting rod (12) and positioned at the inner ring side of each annular frame (11), the film clamping pieces (2) are arranged on the vertical supporting rods (12) in a sliding mode along the length direction of each vertical supporting rod (12), two adjacent film clamping pieces (2) are connected through arc-shaped rods (211), each film clamping piece (2) comprises a sliding block (21), an upper supporting block (22) and a lower supporting block (23), the upper supporting block (22) and the lower supporting block (23) are arranged in the sliding block (21) in a horizontal sliding mode, a space for placing the film is reserved between the upper abutting block (22) and the lower supporting block (23), the sliding block (21) is arranged on the vertical supporting rod (12) in a sliding mode, and a positioning assembly (3) used for positioning the film on the film clamping piece (2) in the circular backlight source is arranged on the annular frame (11) at the upper end of the positioning frame (1).
2. The round backlight positioning tool according to claim 1, characterized in that: the sliding groove (121) has been seted up on vertical branch (12), the length direction of sliding groove (121) is the same with the length direction of vertical branch (12), sliding block (21) are inserted and are established in sliding groove (121), the width of sliding groove (121) is the same with the width of sliding block (21), is connected with arc pole (211) between two adjacent sliding blocks (21), still vertically offer on the lateral wall of vertical branch (12) and supply arc pole (211) to wear out and gliding perpendicular groove (122), perpendicular groove (122) are linked together with sliding groove (121).
3. The round backlight positioning tool according to claim 2, characterized in that: and a polytetrafluoroethylene layer is covered on the inner wall of the sliding groove (121).
4. The round backlight positioning tool according to claim 2, characterized in that: the sliding block (21) is provided with a propping piece (4) used for propping the sliding block (21) in the sliding groove (121).
5. The round backlight source positioning tool according to claim 4, characterized in that: the abutting piece (4) comprises a threaded rod (41), a spring (42) and an abutting block (43), a threaded hole (223) is formed in the sliding block (21) along the length direction of the sliding block (21), the threaded rod (41) is inserted in the threaded hole (223) in a threaded manner, abutting holes (212) are formed in two sides of the sliding block (21) located in the threaded hole (223), the abutting holes (212) are perpendicular to and communicated with the threaded hole (223), an opening in one side, away from the threaded hole (223), of the abutting hole (212) is opposite to the inner side wall of the sliding groove (121), the abutting block (43) is inserted in the abutting holes (212) in a sliding manner, a conical abutting block (411) is arranged at the end of the threaded rod (41), an inclined abutting surface (431) is arranged on one side, located in the threaded hole (223), of the abutting block (43), and is used for abutting against the inclined surface of the conical abutting block (411), the spring (42) is sleeved on the abutting-out block (43), one end of the spring (42) is connected with the block wall of the abutting-out block (43), the other end of the spring is connected with the inner wall of the abutting-out hole (212), and the spring (42) enables the abutting-out block (43) to always have the trend of moving towards the threaded hole (223).
6. The round backlight source positioning tool according to claim 5, characterized in that: and a rubber abutting block (432) is arranged on one side, opposite to the inner wall of the sliding groove (121), of the abutting-out block (43).
7. The round backlight source positioning tool according to claim 5, characterized in that: the upper side and the lower side of the threaded hole (223) on the sliding block (21) are provided with insertion holes (224), the length direction of the insertion holes (224) is consistent with that of the threaded hole (223), the upper supporting block (22) and the lower supporting block (23) are respectively inserted into the two insertion holes (224), the inner wall of each insertion hole (224) is covered with a rubber layer, and the parts of the upper supporting block (22) and the lower supporting block (23) located in the insertion holes (224) are abutted to the rubber layers.
8. The round backlight source positioning tool according to claim 7, characterized in that: and a push-pull rod (5) is arranged at one end of the upper abutting block (22) departing from the positioning frame (1), a push-pull rod (5) is also arranged at one end of the lower supporting block (23) departing from the positioning frame (1), and the push-pull rod (5) penetrates through the insertion hole (224) and then extends to the outer side of the sliding block (21).
9. The round backlight positioning tool according to claim 1, characterized in that: the lower end of the annular frame (11) is provided with a plurality of support rods (6), gaps (7) for placing the circular backlight source are reserved among the support rods (6), the gaps (7) are matched with the circular backlight source, and after the circular backlight source is placed in the gaps (7), the axis of the circular backlight source is overlapped with the axis of the annular frame (11).
10. The round backlight positioning tool according to claim 1, characterized in that: the positioning assembly (3) comprises a rotating rod (31), a cross rod (32), a positioning barrel (33) and a positioning rod (34), the rotating rod (31) is rotatably arranged on an annular frame (11) above the positioning frame (1), the cross rod (32) is arranged at the top of the rotating rod (31), the positioning barrel (33) is arranged at one end, away from the rotating rod (31), of the cross rod (32), the positioning rod (34) is vertically inserted in the positioning barrel (33), a positioning rubber block (341) is arranged at one end, close to the ground, of the positioning rod (34), a butting bolt (331) used for butting the positioning rod (34) in the positioning barrel (33) is arranged on a barrel wall of the positioning barrel (33) in a penetrating manner through threads, a rotation blocking block (311) is arranged on a side wall of the rotating rod (31), and a jointing block (111) jointed with the rotation blocking block (311) is arranged on the annular frame (11) at the upper end of the positioning frame (1, when the rotation blocking block (311) is jointed with the jointing block (111), the positioning rod (34) is positioned on the vertical axis of the annular frame (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954267.XA CN112077771B (en) | 2020-09-11 | 2020-09-11 | Circular backlight location frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954267.XA CN112077771B (en) | 2020-09-11 | 2020-09-11 | Circular backlight location frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112077771A true CN112077771A (en) | 2020-12-15 |
| CN112077771B CN112077771B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010954267.XA Active CN112077771B (en) | 2020-09-11 | 2020-09-11 | Circular backlight location frock |
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| CN (1) | CN112077771B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043166A (en) * | 2021-03-19 | 2021-06-29 | 重庆运城制版有限公司 | Clamping method for adhesive-free grinding wheel |
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| CN112077771B (en) | 2021-12-31 |
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