CN114023221A - Display device for intelligent research - Google Patents
Display device for intelligent research Download PDFInfo
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- CN114023221A CN114023221A CN202111367044.4A CN202111367044A CN114023221A CN 114023221 A CN114023221 A CN 114023221A CN 202111367044 A CN202111367044 A CN 202111367044A CN 114023221 A CN114023221 A CN 114023221A
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- limiting
- sliding
- hole
- display board
- rotatably connected
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
- G09F15/0012—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels frames therefor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0087—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like including movable parts, e.g. movable by the wind
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display device for intelligent research, which comprises a main frame and a display board, wherein a telescopic frame is fixedly connected to one side in the main frame, one end of the telescopic frame, far away from the main frame, is rotatably connected with the display board, guide rails are symmetrically embedded into two sides of the telescopic frame in the main frame, a sliding piece is arranged on the guide rails in a sliding fit connection mode, a guide plate is rotatably connected to one end, far away from the telescopic frame, of the display board, and the guide plate is movably matched with the sliding piece in a limiting mode; when the telescopic frame is stretched, the display board rotates by taking the connecting position of the guide plate and the display board as an original point, and meanwhile, the sliding piece slides on the guide rail; when the length of the telescopic frame is unchanged, the display board rotates by taking the connecting position of the telescopic frame and the display board as an original point, and the guide plate is movably matched with the sliding piece in a limiting way. The invention can present stable display angles to two sides according to requirements, and is flexible and stable in adjustment.
Description
Technical Field
The invention relates to the technical field of teaching display, in particular to a display device for intelligent research.
Background
During teaching and sharing, the display device is a very common teaching instrument for showing teaching and sharing results to learners. In the process of wisdom research, the learning achievement needs to be shown to the external world through multiple mode.
The invention discloses a teaching aid display device for mathematical education, which comprises a base, wherein a top plate is fixedly mounted at the top of the base, a display board is rotatably connected to the top of the top plate, a fixed-point supporting mechanism is arranged inside the display board, an angle adjusting mechanism is arranged at the top of the top plate, the fixed-point supporting mechanism comprises a plurality of supporting cylinders, a plurality of sliding holes are formed in the display board, and the sliding holes are distributed in the display board in a rectangular array. According to the invention, a plurality of corresponding support cylinders can be selected and pulled out according to the shape of the teaching aid, then the support columns in the support cylinders are pulled out, the support cylinders and the support columns are used for supporting the bottom edges of the tool, and the pinch plates are used for clamping the edges of the teaching aid, so that the teaching aids in different shapes can be completely presented on one side of the display board, and the use functionality of the device is greatly enhanced.
In prior art, although the angle of show can be adjusted, when the show, its audience to the relative direction in both sides show needs rotating device, and to many fixed show scenes, it is great to select the required arrangement space demand of show structure, and the display device of rotatable arrangement easily because of touching influences arrangement stability, utilizes inconveniently to the scene of the fixed arrangement of device.
Disclosure of Invention
The present invention is directed to a display device for intelligent research to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the display device for the intelligent research comprises a main frame and a display board, wherein a telescopic frame is fixedly connected to one side in the main frame, one end, far away from the main frame, of the telescopic frame is rotatably connected with the display board, guide rails are symmetrically embedded into two sides, located in the main frame, of the telescopic frame, sliding pieces are arranged on the guide rails in a sliding fit connection mode, one end, far away from the telescopic frame, of the display board is rotatably connected with a guide plate, and the guide plate is movably matched with the sliding pieces in a limiting mode;
when the telescopic frame is stretched, the display board rotates by taking the connecting position of the guide plate and the display board as an original point, and meanwhile, the sliding piece slides on the guide rail;
when the length of the telescopic frame is unchanged, the display board rotates by taking the connecting position of the telescopic frame and the display board as an original point, and the guide plate is movably matched with the sliding piece in a limiting way.
As a further scheme of the invention: the guide rail link up the lateral wall of main frame, and the outside sliding fit that is located the main frame on the guide rail is connected with first limit button, first limit button passes through screw-thread fit and links to each other with the slider.
As a further scheme of the invention: the telescopic frame comprises a casing fixed on the inner wall of the main frame and a supporting rod in sliding fit with the casing, a first hinge seat is arranged at the position, far away from the casing, of the supporting rod in fixed connection, the first hinge seat is rotatably connected with the display board, a plurality of groups of first limiting grooves are formed in the surface of one side of the supporting rod in an embedded mode, and an elastic limiting part corresponding to the first limiting grooves in an adaptive mode is arranged on the side face of the casing close to one side of the first hinge seat.
As a further scheme of the invention: the elastic locating part comprises a barrel shell fixedly connected to the shell and a first limiting protrusion connected to the barrel shell in a sliding fit mode, the first limiting protrusion slides to penetrate through the shell and is matched with the first limiting groove in a movable mode, the tail end, close to the barrel shell, of the first limiting protrusion is provided with a first gasket through a first spring connection, the first gasket is connected with the inner wall of the barrel shell in a sliding fit mode, the end portion of the barrel shell is provided with a second limiting button through a thread fit movable penetrating mode, and the second limiting button stretches into the interior of the barrel shell and is connected with the first gasket through a bearing in a rotating mode.
As a further scheme of the invention: the deflector is the arc, just the centre of a circle of the pitch arc of deflector coincides with the tie point of expansion bracket and show board, the one end fixed connection that the deflector is close to the show board is provided with second hinge seat, second hinge seat rotates with the show board to be connected, it is provided with multiunit card hole to run through on the deflector, the card hole sets gradually along the pitch arc orbit, the orbit pitch arc that the card hole distributes coincides with the pitch arc centre of a circle of deflector, the slider with the spacing cooperation of card hole activity.
As a further scheme of the invention: the slider includes the slider, slider sliding connection is in the guide rail, bilateral symmetry fixedly connected with draw runner about the slider, sliding fit connects between lateral wall about draw runner and the guide rail, and it is provided with the resettlement groove all to imbed on the relative side of two sets of sliders in the guide rail of both sides, swivelling joint is provided with the supporting shoe in the resettlement groove, and the supporting shoe is close to the resettlement groove bottom and sets up, and is connected with the torsional spring between supporting shoe and the resettlement inslot wall, supporting shoe and card hole activity adaptation are equipped with in the slider just to be used for controlling supporting shoe pivoted rotation locating part with supporting shoe activity adaptation.
As a further scheme of the invention: the supporting shoe both sides are passed through the axis of rotation and the slider rotates the connection, the bilateral symmetry embedding of axis of rotation is provided with blind hole and through-hole, the through-hole link up slider one side, rotate locating part one end installation and set up in the blind hole, and stretch out from the through-hole behind other end activity link up axis of rotation and supporting shoe.
As a further scheme of the invention: the axis of rotation middle part is link up and is provided with the cross through-hole, it includes the second limit button that slides and link up the axis of rotation middle part to rotate the locating part, second limit button one end is rotated through the bearing and is connected and be provided with the second gasket, second gasket and blind hole inner wall sliding fit connect, it is provided with the second spring to connect between the tip in second gasket and the blind hole, the blind hole is close to the peripheral fixed connection of second gasket one side and is provided with the second spacing arch that corresponds the adaptation with the cross through-hole, the second limit button other end just stretches out the through-hole through the cross through-hole.
As a further scheme of the invention: the show board is including rotating first plate body and the second plate body of connecting, first plate body with on the relative side of keeping away from of second plate body respectively fixed connection be provided with first rotary joint and second rotary joint, first rotary joint with the second rotary joint rotates with expansion bracket and deflector respectively to be connected, first plate body with the second plate body rotates with first rotary joint and second and connects the relative side on the installation and be provided with the fixed strip, and edge one side fixedly connected with second spacing groove that first plate body is close to the second plate body, it is provided with spacing to rotate the connection on the second plate body, spacing end and the spacing groove activity adaptation of second.
As a further scheme of the invention: the second spacing groove is fan-shaped cavity, and the second spacing inslot is along pitch arc edge fixedly connected with multiunit fixed block, spacing strip is including rotating the slat of connecting on the second plate body, the tip embedding that the slat is close to the second spacing groove is provided with the slide opening, be provided with the spacing arch of third through third spring coupling in the slide opening, the spacing arch of third with slide opening sliding fit, the terminal and adjacent two sets of fixed block activity adaptation of slide opening are kept away from to the spacing arch of third.
Compared with the prior art, the invention has the beneficial effects that: settle product or file that is used for the show on the show board, the length of fixed expansion bracket, lift the show board and keep away from the one end of expansion bracket, the show board uses the expansion bracket tip to begin to rotate as the initial point, the slider can slide on the guide rail this moment, also can fix, the deflector all can cooperate with the slider relatively, reach after the suitable angle, fixed slider, the deflector is spacing this moment, the arrangement angle of product is convenient for studying the use on the show board, when needs show to the opposite side, flexible adjustment expansion bracket, simultaneously cancel the spacing to the slider, the show board begins to rotate for rotating the initial point with the end of deflector this moment, the slider slides on the guide rail simultaneously, after reaching suitable show angle, the length of fixed expansion bracket, the show board can present stable show angle to both sides as required like this, adjust nimble stability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the telescopic frame of the present invention.
Fig. 3 is an enlarged schematic view of a region a in fig. 2.
Fig. 4 is a schematic structural view of the guide plate of the present invention.
Fig. 5 is a schematic perspective view of the slider of the present invention.
Fig. 6 is a schematic structural view of the sliding member of the present invention.
FIG. 7 is a schematic view of the support block of the present invention.
Fig. 8 is an enlarged structural view of a region B in fig. 6.
Fig. 9 is a schematic perspective view of a display board according to the present invention.
Fig. 10 is a bottom view of the display board of the present invention.
Fig. 11 is an enlarged schematic view of the region C in fig. 10.
In the figure: 1-main frame, 11-guide rail, 12-first limit button, 2-expansion bracket, 21-casing, 22-support bar, 23-first hinge seat, 24-first limit groove, 25-barrel shell, 26-first limit protrusion, 27-first spring, 28-first gasket, 29-second limit button, 3-display board, 31-first board body, 32-second board body, 33-fixed bar, 34-first rotating joint, 35-second rotating joint, 36-second limit groove, 37-fixed block, 4-sliding piece, 41-sliding block, 42-sliding bar, 43-installation groove, 44-supporting block, 4401-rotating shaft, 4402-cross through hole, 45-blind hole, 4501-second spring, 4502-second gasket, 4503-second limit button, 4504-second limit projection, 46-through hole, 5-guide plate, 51-second hinge seat, 52-clamping hole, 6-limit strip, 61-strip plate, 62-slide hole, 63-third limit projection, and 64-third spring.
Detailed Description
Referring to fig. 1 to 8, in the embodiment of the present invention, the display device for wisdom research includes a main frame 1 and a display board 3, a telescopic frame 2 is fixedly connected to one side inside the main frame 1, one end of the telescopic frame 2 away from the main frame 1 is rotatably connected to the display board 3, guide rails 11 are symmetrically embedded into two sides of the telescopic frame 2 inside the main frame 1, a sliding member 4 is slidably connected to the guide rails 11, a guide plate 5 is rotatably connected to one end of the display board 3 away from the telescopic frame 2, and the guide plate 5 is movably matched with the sliding member 4 in a limiting manner;
when the telescopic frame 2 is stretched, the display board 3 rotates by taking the connecting position of the guide plate 5 and the display board 3 as an original point, and the sliding part 4 slides on the guide rail 11;
when the length of the telescopic frame 2 is unchanged, the display board 3 rotates by taking the connecting position of the telescopic frame 2 and the display board 3 as the original point, and the guide plate 5 is movably matched with the sliding piece 4 in a limiting way.
In this embodiment, preferably, the expansion bracket 2 and the guide plate 5 are all connected on the same side of the display board 3, and are respectively connected on both ends of the same side of the display board 3, and all are connected through hinging, and one end of the expansion bracket 2 in the main frame 1 is vertically provided with a plurality of groups, and the guide rail 11 is arranged on both side surfaces of the end surface of the expansion bracket 2 in the main frame 1, and the guide rail 11 is horizontally arranged, and the height of the guide rail 11 and the upper end of the expansion bracket 2 are also in a relatively flush state.
In this embodiment, preferably, a product or a document for display is placed on the display board 3, the length of the telescopic frame 2 is fixed, one end of the display board 3 away from the telescopic frame 2 is lifted, the display board 3 starts to rotate with the end of the telescopic frame 2 as an origin, at this time, the sliding member 4 can slide on the guide rail 11 or can be fixed, the guide board 5 can be matched with the sliding member 4 relatively, after a proper angle is reached, the sliding member 4 is fixed, at this time, the guide board 5 is limited, the placement angle of the product on the display board 3 is convenient for research and use, when the display is required to the other side, the telescopic frame 2 is adjusted in a telescopic manner, meanwhile, the limitation to the sliding member 4 is cancelled, at this time, the display board 3 starts to rotate with the end of the guide board 5 as a rotation origin, meanwhile, the sliding member 4 slides on the guide rail 11, after the proper display angle is reached, the length of the telescopic frame 2 is fixed, so that the display board 3 can present a stable display angle to both sides as required, the adjustment is flexible and stable.
Referring to fig. 1, in the embodiment of the present invention, the guide rail 11 penetrates through a side wall of the main frame 1, a first limit button 12 is connected to the guide rail 11 at an outer side of the main frame 1 in a sliding fit manner, and the first limit button 12 is connected to the sliding member 4 through a threaded fit.
In this embodiment, it is preferable that the diameter of the portion of the guide rail 11 near the outer side of the main frame 1 is smaller than the diameter of the portion of the guide rail 11 near the inner side of the main frame 1, and when the first limit button 12 is screwed by the screw thread fit, the end handle portion of the first limit button 12 is fitted to the outer side of the main frame 1, so that the sliding of the slider 4 in the guide rail 11 can be restricted.
Referring to fig. 1 to 3, in the embodiment of the present invention, the expansion bracket 2 includes a casing 21 fixed on an inner wall of the main frame 1 and a support rod 22 slidably fitted in the casing 21, a first hinge seat 23 is fixedly connected to a distal end of the support rod 22 away from the casing 21, the first hinge seat 23 is rotatably connected to the display board 3, a plurality of sets of first limiting grooves 24 are embedded in a surface of one side of the support rod 22, and an elastic limiting member correspondingly adapted to the first limiting grooves 24 is installed on a side of the casing 21 close to the first hinge seat 23.
In this embodiment, preferably, the first limiting grooves 24 are sequentially arranged along the extending direction of the supporting rod 22, when the display board 3 needs to be rotated, the rotation of the display board 3 can be adjusted and controlled by the relative sliding between the supporting rod 22 and the casing 21, and the relative position between the fixing casing 21 and the supporting rod 22 can be limited by the elastic limiting member.
Referring to fig. 2 to 3, in the embodiment of the present invention, the elastic limiting member includes a barrel shell 25 fixedly connected to the housing shell 21 and a first limiting protrusion 26 connected to the barrel shell 25 in a sliding fit manner, the first limiting protrusion 26 slidably penetrates through the housing shell 21 and is movably fitted with the first limiting groove 24, a first gasket 28 is connected to a terminal of the first limiting protrusion 26 close to the barrel shell 25 through a first spring 27, the first gasket 28 is connected to an inner wall of the barrel shell 25 in a sliding fit manner, a second limiting button 29 is movably penetrated through an end of the barrel shell 25 through a screw thread fit manner, and a terminal of the second limiting button 29 extending into the barrel shell 25 is rotatably connected to the first gasket 28 through a bearing.
In this embodiment, preferably, the end of the first limiting protrusion 26 away from the barrel shell 25 is hemispherical, and the first limiting groove 24 is also hemispherical, when the supporting rod 22 and the casing 21 need to be adjusted, the supporting rod 22 is pulled to make the first limiting protrusion 26 respectively fit with different first limiting grooves 24, so as to adjust the relative position of the casing 21 and the supporting rod 22, and when the casing 21 and the supporting rod 22 need to be fixed, the second limiting button 29 is screwed to compress the first limiting protrusion 26 through the first gasket 28 and the first spring 27, so that the position of the first limiting protrusion 26 and the position of the first limiting groove 24 are fixed.
Referring to fig. 1 to 4, in the embodiment of the present invention, the guide plate 5 is an arc-shaped plate, a circle center of an arc of the guide plate 5 coincides with a connection point between the telescopic frame 2 and the display plate 3, one end of the guide plate 5 close to the display plate 3 is fixedly connected with a second hinge base 51, the second hinge base 51 is rotatably connected with the display plate 3, a plurality of sets of clamping holes 52 penetrate through the guide plate 5, the clamping holes 52 are sequentially arranged along an arc track, a track arc distributed in the clamping holes 52 coincides with a circle center of an arc of the guide plate 5, and the sliding member 4 is movably matched with the clamping holes 52 in a limiting manner.
In this embodiment, preferably, when the display board 3 on the side close to the guide plate 5 rotates upward, the display board 3 rotates with the connection point of the telescopic frame 2 and the display board 3 as the origin, and different clamping holes 52 are sequentially in limit fit with the sliding member 4, so as to adjust different display angles of the display board 3.
Referring to fig. 1 to 5, in the embodiment of the present invention, the sliding member 4 includes a sliding block 41, the sliding block 41 is slidably connected in the guide rail 11, the sliding strips 42 are symmetrically and fixedly connected to upper and lower sides of the sliding block 41, the sliding strips 42 are slidably connected to upper and lower side walls of the guide rail 11, the two sets of sliding blocks 41 in the guide rails 11 on two sides are respectively embedded in the installation grooves 43, the installation grooves 43 are rotatably connected to support blocks 44, the support blocks 44 are disposed near the bottom of the installation grooves 43, torsion springs are connected between the support blocks 44 and inner walls of the installation grooves 43, the support blocks 44 are movably fitted to the locking holes 52, and the sliding block 41 is provided with a rotation limiting member movably fitted to the support blocks 44 and used for controlling the rotation of the support blocks 44.
In this embodiment, preferably, the height of the placement groove 43 is greater than the length of the supporting block 44, the supporting block 44 is radially disposed under the action of the torsion spring, the supporting block 44 and the clip hole 52 are correspondingly adapted, the weight of the display board 3 and the clip hole 52 is concentrated on the upper side in the clip hole 52 and pressed on the supporting block 44, the supporting block 44 presses the bottom of the placement groove 43, so as to support the guide board 5 and the display board 3, when the guide board 5 moves upward, the supporting block 44 rotates in the placement groove 43 and rotates into the placement groove 43, when the next clip hole 52 rotates to align with the placement groove 43, the supporting block 44 is rotated out and adapted to the clip hole 52, so as to adjust the rotation angle of the display board 3; when reaching suitable arrangement angle, through the regulation of rotation locating part, can control the supporting shoe 44 and rotate, manual rotate supporting shoe 44 to the arrangement groove 43 in, can be with deflector 5 downstream, show board 3 can resume the level.
Referring to fig. 1 to 8, in the embodiment of the present invention, two sides of the supporting block 44 are rotatably connected to the slider 41 through the rotating shaft 4401, two sides of the rotating shaft 4401 are symmetrically embedded with a blind hole 45 and a through hole 46, the through hole 46 penetrates through one side of the slider 41, one end of the rotation limiting member is installed in the blind hole 45, and the other end of the rotation limiting member movably penetrates through the rotating shaft 4401 and the supporting block 44 and then extends out of the through hole 46.
In this embodiment, preferably, when the angle of the display board 3 is adjusted, the supporting block 44 may rotate in the placing groove 43, the supporting block 44 and the rotation limiting member are in a movable connection state, at this time, the rotation of the supporting block 44 does not affect the rotation limiting member, when the supporting block 44 needs to be controlled and adjusted, the end of the rotation limiting member extending from one side of the through hole 46 may be pulled, and the rotation limiting member may be correspondingly adapted to the rotation shaft 4401 after pulling, so that the rotation of the supporting block 44 is controlled by the rotation of the rotation limiting member.
Referring to fig. 1 to 8, in the embodiment of the present invention, a cross through hole 4402 is disposed through the middle of the rotating shaft 4401, the rotation limiting member includes a second limiting button 4503 slidably penetrating through the middle of the rotating shaft 4401, one end of the second limiting button 4503 is rotatably connected to a second spacer 4502 through a bearing, the second spacer 4502 is connected to an inner wall of the blind hole 45 in a sliding fit manner, a second spring 4501 is connected between the second spacer 4502 and an inner end of the blind hole 45, a second limiting protrusion 4504 correspondingly adapted to the cross through hole 4402 is fixedly connected to a periphery of the blind hole 45 near one side of the second spacer 4502, and the other end of the second limiting button 4503 passes through the cross through hole 4402 and extends out of the through hole 46.
In this embodiment, preferably, the cross through hole 4402 penetrates through the supporting block 44 and the rotating shaft 4401 on both sides of the supporting block 44, the cross section of the cross through hole 4402 is "cross", the second limiting button 4503 and the center portion of the cross through hole 4402 are movably adapted, the cross sections of the second limiting protrusion 4504 and the second limiting button 4503 are matched with the cross section of the cross through hole 4402, when the supporting block 44 rotates, the second limiting button 4503 rotates relatively in the cross through hole 4402, when the second limiting button 4503 is pulled, the second limiting protrusion 4504 and the second limiting button 4503 are driven to be close to the rotating shaft 4401, the second limiting protrusion 4504 and the cross through hole 4402 are contacted and matched, and then the second limiting button 4503 is rotated to drive the supporting block 44 to rotate, so that the angle return rotation of the display panel 4503 can be conveniently controlled.
Referring to fig. 1 and 9 to the guide rail 11, in an embodiment of the present invention, the display board 3 includes a first board 31 and a second board 32 which are rotatably connected, a first rotating joint 34 and a second rotating joint 35 are respectively fixedly connected to the same side surfaces of the first board 31 and the second board 32 which are relatively far away from each other, the first rotating joint 34 and the second rotating joint 35 are respectively rotatably connected to the expansion bracket 2 and the guide plate 5, a fixing strip 33 is installed on the side surfaces of the first board 31 and the second board 32 which are opposite to the first rotating joint 34 and the second rotating joint 35, a second limiting groove 36 is fixedly connected to one side of the first board 31 close to the edge of the second board 32, a limiting strip 6 is rotatably connected to the second board 32, and the end of the limiting strip 6 is movably matched with the second limiting groove 36.
In this embodiment, preferably, the first rotating joint 34 may be correspondingly adapted and rotatably connected to the first hinge seat 23, the second rotating joint 35 may be correspondingly adapted and rotatably connected to the second hinge seat 51, when the end of the limiting strip 6 rotates to the second limiting groove 36 and is adapted thereto, the first plate 31 and the second plate 32 rotate relatively to keep flush, when necessary, the end of the limiting strip 6 rotates out from the second limiting groove 36, the first plate 31 and the second plate 32 rotate relatively to each other, when the expansion bracket 2 expands and contracts, the sliding member 4 slides and the guide plate 5 and the sliding member 4 are movably adapted to each other, the relative bending state of the first plate 31 and the second plate 32 is not affected, so that the exhibit can be placed on the first plate 31 or the second plate 32 when the exhibiting is performed in different directions, and the use is flexible and convenient.
Referring to fig. 1 and 9 to the guide rail 11, in an embodiment of the present invention, the second limiting groove 36 is a sector cavity, a plurality of sets of fixing blocks 37 are fixedly connected to the inner side of the second limiting groove 36 along an arc edge, the limiting bar 6 includes a slat 61 rotatably connected to the second plate 32, a sliding hole 62 is embedded in an end portion of the slat 61 close to the second limiting groove 36, a third limiting protrusion 63 is connected to and arranged in the sliding hole 62 through a third spring 64, the third limiting protrusion 63 is slidably engaged with the sliding hole 62, and a distal end of the third limiting protrusion 63 away from the sliding hole 62 is movably engaged with two adjacent sets of fixing blocks 37.
In this embodiment, preferably, the side of the second limiting groove 36 is a minor arc, the sector opening of the second limiting groove 36 is flush with the edge of the first plate 31 close to the second plate 32, the rotation point of the slat 61 coincides with the arc center of the second limiting groove 36, when the slat 61 is rotated, the third limiting protrusion 63 abuts against and presses the fixing block 37, the third limiting protrusion 63 compresses the third spring 64 and enters the slide hole 62, and at this time, the slat 61 can be gradually rotated out from the lower side of the first plate 31.
Claims (10)
1. The display device for the intelligent research comprises a main frame and a display board, and is characterized in that a telescopic frame is fixedly connected to one side in the main frame, one end, far away from the main frame, of the telescopic frame is rotatably connected with the display board, guide rails are symmetrically embedded into two sides, located in the main frame, of the telescopic frame, sliding parts are arranged on the guide rails in a sliding fit connection mode, a guide plate is rotatably connected to one end, far away from the telescopic frame, of the display board, and the guide plate is movably matched with the sliding parts in a limiting mode;
when the telescopic frame is stretched, the display board rotates by taking the connecting position of the guide plate and the display board as an original point, and meanwhile, the sliding piece slides on the guide rail;
when the length of the telescopic frame is unchanged, the display board rotates by taking the connecting position of the telescopic frame and the display board as an original point, and the guide plate is movably matched with the sliding piece in a limiting way.
2. The intelligent display device for research and development of claim 1, wherein the guide rail penetrates through a side wall of the main frame, and a first limit button is slidably coupled to the guide rail at an outer side of the main frame, and the first limit button is coupled to the sliding member by a screw-thread coupling.
3. The display device for intelligent research and development according to claim 1, wherein the telescopic frame comprises a casing fixed on the inner wall of the main frame and a support rod slidably fitted in the casing, the support rod is fixedly connected to a first hinge seat at a position far from the end of the casing, the first hinge seat is rotatably connected to the display board, a plurality of sets of first limiting grooves are embedded in one side surface of the support rod, and an elastic limiting member correspondingly adapted to the first limiting grooves is installed on a side surface of the casing close to the first hinge seat.
4. The display device for intelligent research according to claim 3, wherein the elastic limiting member comprises a casing fixedly connected to the casing, and a first limiting protrusion slidably fitted in the casing, the first limiting protrusion slidably penetrates through the casing and is movably fitted in the first limiting groove, the first limiting protrusion is provided with a first gasket near the end of the casing by a first spring connection, the first gasket is slidably fitted in the inner wall of the casing, the end of the casing is movably penetrated by a second limiting button by a screw thread, and the end of the second limiting button extending into the casing is rotatably connected to the first gasket by a bearing.
5. The display device for intelligent research according to claim 1, wherein the guide plate is an arc-shaped plate, the center of the arc of the guide plate coincides with the connection point between the expansion bracket and the display plate, a second hinge seat is fixedly connected to one end of the guide plate close to the display plate, the second hinge seat is rotatably connected to the display plate, a plurality of sets of clamping holes are formed in the guide plate in a penetrating manner, the clamping holes are sequentially arranged along the arc track, the arc tracks of the clamping holes are coincident with the center of the arc of the guide plate, and the sliding member is movably matched with the clamping holes in a limiting manner.
6. The display device for intelligent research according to claim 5, wherein the sliding member comprises a sliding block, the sliding block is slidably connected in the guide rail, the sliding block is fixedly connected with a sliding strip symmetrically at the upper side and the lower side of the sliding block, the sliding strip is connected with the upper side wall and the lower side wall of the guide rail in a sliding fit manner, the two sets of sliding blocks in the guide rails at the two sides are provided with a placing groove in an embedded manner, a supporting block is rotatably connected in the placing groove and is arranged near the bottom of the placing groove, a torsion spring is connected between the supporting block and the inner wall of the placing groove, the supporting block is movably matched with the clamping hole, and a rotation limiting part which is movably matched with the supporting block and is used for controlling the rotation of the supporting block is arranged in the sliding block.
7. The display device for intelligent research and development according to claim 6, wherein the two sides of the support block are rotatably connected with each other by a rotating shaft and a sliding block, the two sides of the rotating shaft are symmetrically inserted with a blind hole and a through hole, the through hole penetrates one side of the sliding block, one end of the rotation limiting member is installed in the blind hole, and the other end of the rotation limiting member movably penetrates through the rotating shaft and the support block and then extends out of the through hole.
8. The display device for intelligent research according to claim 7, wherein a cross-shaped through hole is formed through the middle of the rotation shaft, the rotation limiting member comprises a second limiting button slidably penetrating through the middle of the rotation shaft, a second spacer is rotatably connected to one end of the second limiting button through a bearing, the second spacer is slidably fitted to the inner wall of the blind hole, a second spring is connected between the second spacer and the inner end of the blind hole, a second limiting protrusion corresponding to the cross-shaped through hole is fixedly connected to the periphery of the blind hole near the second spacer, and the other end of the second limiting button passes through the cross-shaped through hole and protrudes out of the through hole.
9. The display device for intelligent research and development according to claim 1, wherein the display board comprises a first board body and a second board body which are rotatably connected, the same side surfaces of the first board body and the second board body which are relatively far away are respectively fixedly connected with a first rotating joint and a second rotating joint, the first rotating joint and the second rotating joint are respectively rotatably connected with the expansion bracket and the guide plate, the side surfaces of the first board body and the second board body which are opposite to the first rotating joint and the second rotating joint are provided with fixing strips, one side of the first board body which is close to the edge of the second board body is fixedly connected with a second limiting groove, the second board body is rotatably connected with a limiting strip, and the tail end of the limiting strip is movably matched with the second limiting groove.
10. The display device for intelligent research according to claim 9, wherein the second limiting groove is a fan-shaped cavity, a plurality of sets of fixing blocks are fixedly connected to the second limiting groove along the edge of the arc line, the limiting strip comprises a strip rotatably connected to the second plate body, a sliding hole is embedded in the end of the strip close to the second limiting groove, a third limiting protrusion is arranged in the sliding hole through a third spring connection, the third limiting protrusion is slidably engaged with the sliding hole, and the end of the third limiting protrusion far away from the sliding hole is movably engaged with two adjacent sets of fixing blocks.
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| CN202111367044.4A CN114023221B (en) | 2021-11-18 | 2021-11-18 | Display device for intelligent research |
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