CN210136567U - Lifting interconnected blackboard - Google Patents
Lifting interconnected blackboard Download PDFInfo
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- CN210136567U CN210136567U CN201920543431.0U CN201920543431U CN210136567U CN 210136567 U CN210136567 U CN 210136567U CN 201920543431 U CN201920543431 U CN 201920543431U CN 210136567 U CN210136567 U CN 210136567U
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Abstract
The utility model provides a lifting interconnected blackboard, which comprises a rectangular frame, two sliding plates, two sets of lifting mechanisms and an interconnection system, wherein the rectangular frame is used for being connected with a wall body; the rectangular frame is provided with a first cavity for wiring, and the centers of two vertical frames of the rectangular frame are respectively provided with a first threading hole; the two sliding plates provided with second cavities for wiring are arranged in the rectangular frame in parallel front and back, and second threading holes are formed in the middles of the side frames at the two sides of the rectangular frame; the two sliding plates are lifted through lifting mechanisms arranged at the tops of the vertical frames on the two sides of the fixed frame; in the second cavity was located to infrared light sense device's power supply line, worn out by the second through wires hole, penetrated in the first through wires hole behind the back of sliding plate, worn out by fixed frame's bottom, was connected with interconnected system's power. The utility model provides a lift interconnected blackboard, the power supply line is whole to be hidden, and the sliding plate up-and-down motion process power supply line does not leak outward, avoids the power supply line to interfere the elevating movement of sliding plate, and the appearance is pleasing to the eye succinct.
Description
Technical Field
The utility model belongs to the technical field of teaching apparatus, more specifically say, relate to a lift interconnected blackboard.
Background
The blackboard is important teaching tool in the teaching activity, and along with the development of science and technology, more and more schools begin to use the interconnected blackboard on the basis of lift blackboard, rely on the content of writing on the check out test set detects the lift blackboard, and on the electronic screen was projected to control the driver after the computer calculation, reached the purpose of multi-functional teaching. Because the interconnection blackboard needs to use a large amount of electrical components, and the arrangement of the power supply lines of the electrical components is difficult in the application process of the interconnection blackboard, the power supply lines of the existing interconnection blackboard are directly exposed or collected by a take-up device, the mode is not simple and beautiful, and the sliding process of the lifting blackboard is easily interfered and influenced by the power supply lines, so that the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lift interconnected blackboard, the power supply line that aims at solving the interconnected blackboard exposes, and is not pleasing to the eye, and interferes the problem of the elevating movement of blackboard easily.
In order to achieve the above object, the utility model adopts the following technical scheme: the lifting interconnection blackboard comprises a rectangular frame, two sliding plates, two sets of lifting mechanisms and an interconnection system, wherein the rectangular frame is used for being connected with a wall; the rectangular frame is provided with a first cavity which is formed by sequentially and vertically connecting a first vertical frame, a first transverse frame, a second vertical frame and a second transverse frame, and a first threading hole is formed in the middle position of the first vertical frame and the second vertical frame in the length direction; the two sliding plates are arranged in the rectangular frame in a front-back parallel mode, two sides of each sliding plate are respectively provided with a frame abutted to the two vertical frames of the rectangular frame, the frame is provided with a second cavity for wiring, and a second threading hole is formed in the center of the frame; the two sets of lifting mechanisms are arranged at the top ends of the first vertical frame and the second vertical frame at intervals and are respectively connected with the frames on the two sides of the two sliding plates; the interconnection system is including inlaying the infrared light sense device in the sliding plate frame, and in the second cavity was located to the power supply line, worn out by the second through wires hole, penetrated in the first through wires hole behind the back of sliding plate, worn out by the bottom of first mullion or second mullion, was connected with interconnection system's power.
Furthermore, the rectangular frame is provided with a thread protecting sleeve on the side wall of the first threading hole and the side wall of the second threading hole respectively.
Furthermore, each set of lifting mechanism comprises a pulley and a steel wire rope, and the pulley is arranged at the top end of the vertical frame of the rectangular frame; the steel wire rope penetrates through the pulleys, and two ends of the steel wire rope are respectively connected with the top ends of the side frames on the same side of the two sliding plates.
Furthermore, two sets of slideways are respectively arranged in two vertical frames of the rectangular frame, and at least two sets of rollers rolling in the slideways are respectively arranged on two sides of the sliding plate.
Furthermore, two ends of two transverse frames of the rectangular frame are respectively provided with a buffer block.
Furthermore, the infrared light sensation device comprises a plurality of infrared transmitting tubes and a plurality of infrared receiving tubes which are arranged around the frame in a one-to-one correspondence manner.
Furthermore, the interconnection system further comprises a control driving unit and a display, and the infrared light sensing device, the control driving unit and the display are respectively provided with a Bluetooth transmission module.
Further, a display mounting frame for mounting a display is further connected to one side of the rectangular frame.
Further, the display mounting frame is provided with a third cavity for arranging power supply lines of the display.
Furthermore, the display is an LED display screen or a flat screen, and the flat screen is electrically connected with the ultra-short-focus projector arranged above the display mounting frame.
The utility model provides a pair of interconnected blackboard goes up and down beneficial effect lies in: compared with the prior art, the lifting interconnected blackboard of the utility model is connected on a wall body through a rectangular frame, the rectangular frame is provided with a wiring cavity, two sliding plates are driven to lift through a lifting mechanism arranged at the top ends of two vertical frames of the rectangular frame, a first threading hole is arranged in the middle of the vertical frame of the rectangular frame, a second threading hole is arranged in the middle of the frames at two sides of the sliding plates, a power supply line of an infrared light sensation device is arranged in the second cavity and extends out of the second threading hole, and penetrates into the first threading hole after passing through the back surface of the sliding plate, is connected with an interconnection system power supply, the power supply wire is hidden at the back of the hollow structure, the cavity and the sliding plate of the frame in the whole process, through the reasonable position selection in first through wires hole, second through wires hole, utilize the symmetry of sliding plate up-and-down motion, the power supply line is avoided leaking outward to the sliding plate push-and-pull overall process from top to bottom, and is both pleasing to the eye succinct, can not interfere the elevating movement process of sliding plate again.
Drawings
Fig. 1 is a first schematic structural view of a lifting interconnection blackboard provided in an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic front structural view of a sliding plate according to an embodiment of the present invention;
fig. 4 is a schematic back structural view of a sliding plate according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
fig. 6 is a front view of a first mullion and a second mullion provided in an embodiment of the present invention;
FIG. 7 is a top view of FIG. 6;
fig. 8 is a schematic structural view of a slide and a roller according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a lifting interconnected blackboard provided by the embodiment of the utility model.
In the figure: 1. a rectangular frame; 2. a sliding plate; 3. a lifting mechanism; 4. an interconnection system; 5. a display mounting frame; 6. an ultra-short focus projector; 7. a wire protecting sleeve; 10. a first threading hole; 11. a slideway; 12. a buffer block; 20. a second threading hole; 21. a roller; 31. a pulley; 32. a wire rope; 40. a power supply line; 41. an infrared light sensing device; 43. a display; 100. a first cavity; 101. a first mullion; 102. a first horizontal frame; 103. a second mullion; 104. a second horizontal frame; 201. a frame; 401. an infrared emission tube; 402. an infrared receiving tube.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4 and fig. 6, a lifting blackboard according to the present invention will now be described. A lifting interconnection blackboard comprises a rectangular frame 1 used for being connected with a wall body, two sliding plates 2, two sets of lifting mechanisms 3 and an interconnection system 4; the rectangular frame 1 is provided with a first cavity 100 which is formed by sequentially and vertically connecting a first vertical frame 101, a first transverse frame 102, a second vertical frame 103 and a second transverse frame 104, and a first threading hole 10 communicated with the first cavity 100 is formed in the middle position of the first vertical frame 101 and the second vertical frame 103 in the length direction; the two sliding plates 2 are arranged in the rectangular frame 1 in parallel from front to back, the frames 201 on the two sides of the sliding plates are respectively abutted against the first vertical frame 101 and the second vertical frame 103, the frames 201 are provided with second cavities, and the middle positions of the frames 201 on the two sides in the length direction are provided with second threading holes 20 communicated with the second cavities; the two sets of lifting mechanisms 3 are respectively arranged at the top ends of the first vertical frame 101 and the second vertical frame 103 and are respectively connected with the frames 201 at the two sides of the two sliding plates 2; the interconnection system 4 is provided with the infrared light sensing device 41 embedded in the frame 201, and the power supply line 40 is arranged in the second cavity of the frame 201, penetrates out from the second threading hole 20, penetrates into the first threading hole 10 after passing through the back surface of the sliding plate 2, penetrates out from the bottom end of the first vertical frame 101 or the bottom end of the second vertical frame 103, and is connected with a power supply of the interconnection system 4.
The utility model provides a pair of working method of lift interconnected blackboard: the rectangular frame 1 is connected to a wall body, the top ends of the frames 201 at two sides of the two sliding plates 2 are respectively connected with the lifting mechanisms 3 arranged at the top ends of the first vertical frame 103 and the second vertical frame 103, and the two sliding plates 2 move up and down relatively through the lifting mechanisms 3; the power supply line 40 of the infrared light sensing device 41 is arranged in the second cavity, extends out of the second threading hole 20, passes through the back surface of the sliding plate 2, penetrates through the first threading hole 10, passes through the first cavity 100 of the first vertical frame 101 or the second vertical frame 103, connected to the power supply of the interconnection system 4, so that the power supply lines 40 are all hidden in the second cavity, in the first cavity 100 and on the back of the sliding plate 2, since the first threading hole 10 and the second threading hole 20 are respectively located at the central positions in the length direction of the side frame 201, the first vertical frame 101 and the second vertical frame 103, therefore, in the process of lifting the sliding plate 2, the power supply line 40 on the back surface of the sliding plate 2 will not affect the movement of the sliding plate 2, and will not be exposed in the front view of the sliding plate 2 in the sliding process, so that the symmetry of the sliding plate 2 in the vertical movement is fully utilized, which is beautiful and simple, and will not interfere the lifting movement process of the sliding plate 2.
The utility model provides a pair of lift interconnected blackboard, compared with the prior art, power supply line 40 is whole to be hidden at first cavity 100, the back of second cavity and sliding plate 2, utilize the symmetry of 2 up-and-down motion of sliding plate, with first through wires hole 10, second through wires hole 20 is located first, second mullion 103 and 2 both sides frames 201 length direction positions placed in the middle of the sliding plate, both hidden power supply line 40, can not interfere the lift of sliding plate 2 again, the power supply line 40 of having solved interconnected blackboard is easily exposed, it is not pleasing to the eye, and interfere the problem of the elevating movement of sliding plate 2 easily.
Referring to fig. 4 to 6, as a specific embodiment of the lifting interconnected blackboard provided by the present invention, the rectangular frame 1 is provided with thread protecting sleeves 7 respectively on the side wall of the first threading hole 10 and the side wall of the second threading hole 20 of the frame 201. Avoid power supply line 40 wearing and tearing, guarantee interconnected system 4 safety and stability.
Referring to fig. 1 to 3, as a specific embodiment of the lifting interconnected blackboard provided by the present invention, each set of the lifting mechanism 3 includes a pulley 31 and a steel wire rope 32, the pulley 31 is disposed at the top ends of the first vertical frame 101 and the second vertical frame 103; the steel wire rope 32 penetrates through the pulley 31, two ends of the steel wire rope are respectively connected with the side frames 201 on the same side of the two sliding plates 2, the two ends of the steel wire rope 32 are respectively provided with a plug-in connector, and the top ends of the side frames 201 on the two sides of the sliding plates 2 are provided with connecting lugs which can be plugged with the plug-in connectors at the two ends of the steel wire rope 32. The two sliding plates 2 are lifted through the lifting mechanism 3, move relatively, are simple in structure, act as acting force mutually, and are lifted conveniently.
Referring to fig. 2 and 7, as a specific embodiment of the present invention, the first vertical frame 101 and the second vertical frame 103 are respectively provided with two sets of slide ways 11, and two sides of the sliding plate 2 are respectively provided with at least two sets of rollers 21 rolling in the slide ways 11. The structure that sets up slide 11 and gyro wheel 21 can make the lift of sliding plate 2 light, stable, and slide 11 rational utilization first mullion 101, second mullion 103's structure saves space, and integrated into one piece practices thrift the cost.
Referring to fig. 2, as a specific embodiment of the present invention, the buffer blocks 12 are respectively disposed at two ends of the first horizontal frame 102 and the second horizontal frame 104. The buffer block 12 is arranged to prevent the sliding plate 2 from directly colliding with the rectangular frame 1 in the lifting process, so that the sliding plate 2 and the rectangular frame 1 are protected, and the service life is prolonged.
Referring to fig. 3, as a specific embodiment of the lifting interconnected blackboard provided by the present invention, the infrared light sensing device 41 includes a plurality of infrared transmitting tubes 401 and a plurality of infrared receiving tubes 402 disposed around the frame 201 in a one-to-one correspondence. The infrared ray that infrared ray emission tube 401 sent because human hand of holding a pen shelters from and reflects infrared ray receiver tube 402, and a plurality of infrared ray emission tubes 401 and a plurality of infrared ray receiver tube 402 one-to-one set up into netted, cover whole sliding plate 2, detect the action of writing after, with data transmission to interconnected system 4 and carry out data processing, restore the content of sliding plate 2.
Referring to fig. 9, as a specific implementation manner of the lifting interconnected blackboard provided by the present invention, the interconnected system 4 further includes a control driving unit and a display 43, and the infrared light sensing device 41, the control driving unit and the display 43 are respectively provided with a bluetooth transmission module. Data are transmitted between the electronic and electrical elements through the Bluetooth transmission module, so that space is saved, data transmission lines are reduced, and the equipment is more attractive and concise.
Referring to fig. 9, as a specific embodiment of the lifting interconnected blackboard provided by the present invention, one side of the rectangular frame 1 is further connected to a display mounting frame 5 for mounting a display 43. The display 43 can be fixed by arranging the display mounting frame 5, and a mounting bracket or a hanging rack of the display 43 does not need to be additionally manufactured, so that the cost is saved, the appearance is attractive, and the space is saved.
Referring to fig. 9, as a specific implementation manner of the lifting interconnected blackboard provided by the present invention, the display mounting frame 5 is provided with a third cavity for arranging the power supply line of the display 43. The power supply line of the display 43 can be hidden, and the appearance is attractive and simple.
Referring to fig. 9, as a specific implementation manner of the lifting interconnected blackboard provided by the present invention, the display 43 is a LED display screen or a flat curtain, and the flat curtain is electrically connected to the ultra-short focus projector 6 disposed above the display mounting frame 5. The flat-plate type curtain has high flatness, the fixed installation mode is not easy to wrinkle, the price is low, the flat-plate type curtain is electrically connected with the ultra-short-focus projector 6, the space is saved, and the sight is not blocked; the LED display screen does not need to be connected with a projector, and has good display effect and high resolution.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A lifting interconnected blackboard, comprising:
the rectangular frame (1) is used for being connected with a wall body and provided with a first cavity (100) for wiring, and the centers of the two vertical frames are respectively provided with a first threading hole (10);
the two sliding plates (2) are arranged in the rectangular frame (1) in a front-back parallel mode, two sides of each sliding plate (2) are respectively provided with a frame (201) abutted to two vertical frames of the rectangular frame (1), the frame (201) is provided with a second cavity for wiring, and a second threading hole (20) is formed in the middle of the frame (201);
the two sets of lifting mechanisms (3) are arranged at the top of the rectangular frame (1) at intervals, are respectively connected with the two sliding plates (2), and are used for driving the sliding plates (2) to lift along the rectangular frame (1);
and the interconnection system (4) comprises an infrared light sensing device (41) arranged in the frame (201), wherein a power supply line (40) of the infrared light sensing device (41) is arranged in the second cavity and penetrates out of the second threading hole (20), and the back surface of the sliding plate (2) penetrates into the first threading hole (10) and penetrates out of the bottom end of the rectangular frame (1).
2. The lifting interconnection blackboard according to claim 1, wherein the rectangular frame (1) is provided with a thread protecting sleeve (7) on the side wall of the first threading hole (10) and the side frame (201) on the side wall of the second threading hole (20).
3. A lifting interconnection blackboard according to claim 1, characterised in that each set of said lifting means (3) comprises:
the pulley (31) is arranged at the top end of the vertical frame of the rectangular frame (1);
and the steel wire rope (32) penetrates through the pulleys (31), and two ends of the steel wire rope are respectively connected with the top ends of the frames (201) on the same side of the two sliding plates (2).
4. A lifting interconnection blackboard according to claim 1, characterized in that two sets of slideways (11) are respectively arranged in the two mullions of the rectangular frame (1), and at least two sets of rollers (21) are respectively arranged on both sides of the sliding plate (2), and the rollers (21) roll in the slideways (11).
5. A lifting interconnection blackboard according to claim 1, characterized in that two ends of the two horizontal frames of the rectangular frame (1) are respectively provided with a buffer block (12).
6. The lifting interconnection blackboard according to claim 1, wherein the infrared light sensation device (41) includes a plurality of infrared emitting tubes (401) and a plurality of infrared receiving tubes (402) disposed around the frame (201), and the plurality of infrared emitting tubes (401) and the plurality of infrared receiving tubes (402) are in one-to-one correspondence.
7. The lifting interconnection blackboard according to claim 1, wherein the interconnection system (4) further includes a control driving unit and a display (43), and the infrared light sensing device (41), the control driving unit and the display (43) are respectively provided with a bluetooth transmission module.
8. A lifting interconnection blackboard according to claim 7, wherein a display mounting frame (5) is further connected to one side of the rectangular frame (1), the display mounting frame (5) being used for mounting the display (43).
9. A lifting interconnection blackboard according to claim 8, characterised in that the display mounting frame (5) is provided with a third cavity for the arrangement of the power supply lines of the display (43).
10. A lifting interconnection blackboard according to claim 8, characterised in that the display (43) is an LED display screen or a flat screen electrically connected to the ultra short focus projector (6) above the display mounting frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920543431.0U CN210136567U (en) | 2019-04-19 | 2019-04-19 | Lifting interconnected blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920543431.0U CN210136567U (en) | 2019-04-19 | 2019-04-19 | Lifting interconnected blackboard |
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| Publication Number | Publication Date |
|---|---|
| CN210136567U true CN210136567U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920543431.0U Active CN210136567U (en) | 2019-04-19 | 2019-04-19 | Lifting interconnected blackboard |
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| CN (1) | CN210136567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164249A (en) * | 2020-10-14 | 2021-01-01 | 金华他山科技咨询服务有限公司 | Intelligent computer teaching device for distance education |
-
2019
- 2019-04-19 CN CN201920543431.0U patent/CN210136567U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164249A (en) * | 2020-10-14 | 2021-01-01 | 金华他山科技咨询服务有限公司 | Intelligent computer teaching device for distance education |
| CN112164249B (en) * | 2020-10-14 | 2021-08-06 | 金华他山科技咨询服务有限公司 | Intelligent computer teaching device for distance education |
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Address after: 052160 No.6 Fengchan Road, Shijiazhuang Economic and Technological Development Zone, Hebei Province Patentee after: Shijiazhuang Keda Education Equipment Co.,Ltd. Address before: 052160 No.6 Fengchan Road, Shijiazhuang Economic and Technological Development Zone, Hebei Province Patentee before: SHIJIAZHUANG KEDA STATIONERY Co.,Ltd. |