CN213751422U - Projecting apparatus is used in teaching of dustproof effectual - Google Patents
Projecting apparatus is used in teaching of dustproof effectual Download PDFInfo
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- CN213751422U CN213751422U CN202023212774.0U CN202023212774U CN213751422U CN 213751422 U CN213751422 U CN 213751422U CN 202023212774 U CN202023212774 U CN 202023212774U CN 213751422 U CN213751422 U CN 213751422U
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Abstract
The utility model relates to a projecting apparatus technical field discloses a projecting apparatus is used in teaching that dustproof effectual, including dust-proof box and projecting apparatus body, dust-proof box openly is open structure, dust-proof box opening face is equipped with the dust board, the projecting apparatus body sets up inside dust-proof box, the dust board rotates with dust-proof box top to be connected, the dust-proof box back is equipped with the motor, the inside bottom of dust-proof box is equipped with the fixed plate, the projecting apparatus body is fixed in the up end of fixed plate. The utility model effectively prevents the body surface area of the projector from accumulating too much dust under the condition of long-time nonuse by arranging the projector body in the dustproof box, and the projection effect is influenced when the projector is used; through simple transmission structure, realize the automation of projecting apparatus body in dustproof box and accomodate, the dust board is automatic to be opened and shut at the transmission in-process, further protects the camera lens and does not receive dust pollution.
Description
Technical Field
The utility model relates to a projecting apparatus technical field especially relates to a projecting apparatus is used in teaching of dustproof effectual.
Background
The projector is a device which can project images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a game machine, a DV and the like through different interfaces to play corresponding video signals, is widely applied to families, offices, schools and entertainment places, and has the basic principle that the appearance and the contour of a workpiece are enlarged by using an optical element and then projected onto the screen. It can be used for profile measurement by transmitted light, and also can be used for measuring the surface shape of a blind hole by reflected light. Besides being used for viewing, projectors are also often used for measurement of complex contours and small workpieces.
The prior art is as follows: for the projector for teaching, the projector is often hung on the wall of a classroom through a support, and the surface of the lens is easily stained and accumulated with dust due to long-time hanging, so that the projection effect is influenced, and the hanging position is relatively high, so that the projector is troublesome to wipe.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a projecting apparatus is used in teaching that dustproof effectual, for solving long-time suspension setting, lead to the lens surface to be infected with easily and gather the dust, influence projection effect to it is higher relatively to hang the position, cleans comparatively trouble problem.
According to the utility model discloses effectual projecting apparatus is used in teaching of preventing dust, including dust-proof box and projecting apparatus body, dust-proof box openly is open structure, dust-proof box open face is equipped with the dust board, the projecting apparatus body sets up inside dust-proof box, and its camera lens end towards the opening side of dust-proof box, the dust board rotates with dust-proof box top and is connected, the dust-proof box back is equipped with the motor, the inside bottom of dust-proof box is equipped with the fixed plate, the projecting apparatus body is fixed in the up end of fixed plate, the terminal surface is equipped with the slider under the fixed plate, a threaded rod is connected to the motor, the threaded rod sets up inside and be connected with the slider transmission in dust-proof box.
Furthermore, the left side wall, the right side wall and the back of the dust-proof box are both provided with dust screens, and the dust screens are made of PE materials.
Furthermore, a through wire interface is arranged on the front surface and the back surface of the dust-proof box.
Furthermore, the dust-proof box is provided with rotating shafts at two ends of the side wall on the front side, and the dust baffle plate is rotatably connected with the dust-proof box through the rotating shafts.
Furthermore, two side walls of the dust blocking plate are respectively provided with a spring, and the other end of each spring is connected with the side wall of the dust-proof box.
Further, the projector body is fixed with the fixing plate through screws, and the sliding block is fixed with the fixing plate through screws.
Furthermore, the outer circumference of the threaded rod is provided with an external thread, the inside of the sliding block is provided with an internal thread, and the threaded rod and the sliding block are in transmission connection through threaded connection.
Furthermore, one end of the threaded rod is fixed at one end, close to the front, of the interior of the dust-proof box, and the other end of the threaded rod is in transmission connection with a motor on the back of the dust-proof box.
Further, the output shaft of the motor is in transmission connection with the threaded rod through a coupler.
Further, the motor is fixed on the back of the dustproof box through a motor frame, and the motor is a stepping motor.
Compared with the prior art, the utility model beneficial effect who has is:
1. by arranging the projector body in the dustproof box, the problem that too much dust is accumulated on the surface area of a machine body of the projector when the projector is not used for a long time, the projection effect is influenced when the projector is used, and the equipment is damaged when the projector is used is effectively avoided;
2. through simple transmission structure, realize the automation of projecting apparatus body in dustproof box and accomodate, the dust board is automatic to be opened and shut at the transmission in-process, further protects the camera lens and does not receive dust pollution.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a projector for teaching provided by the utility model with good dustproof effect;
fig. 2 is a front sectional view of a projector for teaching provided by the utility model with good dustproof effect;
fig. 3 is a back view of the projector for teaching provided by the utility model with good dustproof effect;
fig. 4 is the utility model provides a dustproof effectual side section view of projecting apparatus for teaching.
In the figure: 1-dustproof box, 2-projector body, 3-dust board, 4-rotating shaft, 5-dustproof net, 6-spring, 7-fixed plate, 8-slide block, 9-threaded rod, 10-lens, 11-wire interface, 12-motor frame, 13-motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-4, the preferred embodiment of the present invention is shown.
The utility model provides a projecting apparatus is used in dustproof effectual teaching, including dustproof box 1 and projecting apparatus body 2, dustproof box 1 openly is open structure, 1 opening face of dustproof box is equipped with dust guard 3, projecting apparatus body 2 sets up inside dustproof box 1, and its camera lens end is towards the opening side of dustproof box 1, dust guard 3 rotates with 1 top of dustproof box to be connected, 1 back of dustproof box is equipped with motor 13, the inside bottom of dustproof box 1 is equipped with fixed plate 7, projecting apparatus body 1 is fixed in the up end of fixed plate 7, the terminal surface is equipped with slider 8 under fixed plate 7, a threaded rod 9 is connected to motor 13, threaded rod 9 sets up and is connected in the transmission of dustproof box 1 inside and with slider 8.
In this embodiment, lateral wall and the back all are equipped with dust screen 5 about dust-proof box 1, dust screen 5 is the PE material, assurance projecting apparatus heat dissipation that like this can be fine, and isolated dust, dust-proof box 1 openly the back is equipped with the electric wire interface 11 that link up, be used for the circuit wiring, dust-proof box 1 openly goes up the lateral wall both ends and is equipped with pivot 4, dust board 3 rotates through pivot 4 and dust-proof box 1 to be connected, dust board 3's both sides wall respectively is provided with a spring 6, every spring 6's the other end and dust-proof box 1's lateral wall are connected.
In this embodiment, projector body 2 passes through the screw and is fixed mutually with fixed plate 7, and slider 8 passes through the screw and is fixed mutually with fixed plate 7, is equipped with the external screw thread on the outer circumference of threaded rod 9, is equipped with the internal thread in the slider 8, and threaded rod 9 and slider 8 realize the transmission through threaded connection and connect, and the one end of threaded rod 9 is fixed in the inside of dust-proof box 1 and is close to positive one end, and the other end is connected with the motor 13 transmission at the dust-proof box 1 back.
In this embodiment, the output shaft of motor 13 passes through the shaft coupling and is connected with the transmission of threaded rod 9, and motor 13 is fixed in the back of dust-proof box 1 through motor frame 12, and motor 13 is step motor, the process of control slider 8 that like this can be accurate.
When the technical scheme is used, the threaded rod 9 is driven to rotate by the motor 13, the sliding block 8 in threaded connection with the threaded rod 9 drives the projector body 2 on the fixed plate 7 to move towards the opening side of the dust-proof box 1, and the dust-proof plate 3 is pushed to turn upwards and open until the lens 10 is completely exposed out of the dust-proof box 1, so that projection teaching can be carried out; after finishing using, drive projecting apparatus body 2 through motor 13 antiport once more and accomodate can the dust-proof box 1 inside, at this moment, keep off the effect of the spring 6 restoring force of dirt board 3 in its both sides and close again.
In this embodiment, the operation of the motor may be controlled by a computer, and the automatic operation control is realized by adding a PLC or the like, and in each operation link, the sequential execution of the steps is realized by setting the signal feedback of the sensor, which is conventional knowledge of the conventional automatic control
The details of the present invention are well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a projecting apparatus is used in teaching that dustproof effectual, includes dust-proof box and projecting apparatus body, its characterized in that: the dustproof box openly is open structure, dustproof box open face is equipped with the dust board, the projecting apparatus body sets up inside dustproof box, and its camera lens end is towards the opening side of dustproof box, the dust board rotates with dustproof box top to be connected, the dustproof box back is equipped with the motor, the inside bottom of dustproof box is equipped with the fixed plate, the projecting apparatus body is fixed in the up end of fixed plate, the terminal surface is equipped with the slider under the fixed plate, a threaded rod is connected to the motor, the threaded rod sets up inside and be connected with the slider transmission in dustproof box.
2. The projector for teaching of claim 1, which has a good dustproof effect, is characterized in that: the dust-proof box is characterized in that dust-proof nets are arranged on the left side wall, the right side wall and the back surface of the dust-proof box, and the dust-proof nets are made of PE materials.
3. The projector for teaching of claim 2 having a good dustproof effect, wherein: and a through wire interface is arranged on the back of the front surface of the dustproof box.
4. The projector for teaching of claim 3 with good dustproof effect, which is characterized in that: the dust-proof box is characterized in that rotating shafts are arranged at two ends of the side wall on the front side of the dust-proof box, and the dust baffle plate is rotatably connected with the dust-proof box through the rotating shafts.
5. The projector for teaching of claim 4 with good dustproof effect, which is characterized in that: two springs are respectively arranged on two side walls of the dust baffle plate, and the other end of each spring is connected with the side wall of the dust-proof box.
6. The projector for teaching of claim 5, which has a good dustproof effect, is characterized in that: the projector body is fixed with the fixing plate through screws, and the sliding block is fixed with the fixing plate through screws.
7. The projector for teaching of claim 6, which has a good dustproof effect, is characterized in that: the outer circumference of the threaded rod is provided with an external thread, the inside of the sliding block is provided with an internal thread, and the threaded rod and the sliding block are connected in a transmission mode through threaded connection.
8. The projector for teaching of claim 7, which has a good dustproof effect, is characterized in that: one end of the threaded rod is fixed in the dust-proof box, and the other end of the threaded rod is in transmission connection with a motor on the back of the dust-proof box.
9. The projector for teaching of claim 8, which has a good dustproof effect, is characterized in that: and an output shaft of the motor is in transmission connection with the threaded rod through a coupler.
10. The projector for teaching of good dustproof effect according to claim 9, wherein: the motor is fixed on the back of the dustproof box through a motor frame, and the motor is a stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212774.0U CN213751422U (en) | 2020-12-28 | 2020-12-28 | Projecting apparatus is used in teaching of dustproof effectual |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212774.0U CN213751422U (en) | 2020-12-28 | 2020-12-28 | Projecting apparatus is used in teaching of dustproof effectual |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213751422U true CN213751422U (en) | 2021-07-20 |
Family
ID=76836697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023212774.0U Active CN213751422U (en) | 2020-12-28 | 2020-12-28 | Projecting apparatus is used in teaching of dustproof effectual |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213751422U (en) |
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2020
- 2020-12-28 CN CN202023212774.0U patent/CN213751422U/en active Active
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