CN216431182U - Projection arrangement is used in careers' guidance teaching - Google Patents
Projection arrangement is used in careers' guidance teaching Download PDFInfo
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- CN216431182U CN216431182U CN202123287690.8U CN202123287690U CN216431182U CN 216431182 U CN216431182 U CN 216431182U CN 202123287690 U CN202123287690 U CN 202123287690U CN 216431182 U CN216431182 U CN 216431182U
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- electric telescopic
- fixed mounting
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- 238000009434 installation Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 9
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a projecting apparatus for employment guidance teaching, concretely relates to teaching device technical field, the most of present teaching projectors are directly fixed mounting on the wall body, later stage if need dismantle the projector when maintaining, very inconvenient, and because the mounted position of general projector is higher, when the vertical angle that needs to adjust the projector, need with the help of the increase height of chair or desk, very troublesome, including wall body and electric telescopic handle, electric telescopic handle fixed mounting is on the wall body, electric telescopic handle's output is provided with rotary mechanism, the last installation mechanism that is provided with of rotary mechanism, be equipped with the projector body on the installation mechanism; the mounting mechanism comprises a mounting frame, the mounting frame is fixedly mounted on the rotating mechanism, and a first support frame is fixedly mounted on the outer surface of one side, away from the electric telescopic rod, of the mounting frame; for traditional screw fixed mounting, the later stage is more convenient to the dismantlement of projecting apparatus body, and easy operation is convenient, has improved the practicality.
Description
Technical Field
The utility model relates to a teaching technical field specifically is a employment guidance teaching uses projection arrangement.
Background
The projector, also known as the projector, it is a kind of apparatus that can project the picture or video on the curtain, can connect with computer, VCD, DVD, BD, game machine, DV, etc. through different interfaces and broadcast corresponding video signal, the projector is used in family, office, school and entertainment place extensively at present, according to the working method is different, there are CRT, LCD, different grade type such as DLP, but the existing teaching projector is most directly fixed mounting on the wall, later stage if need dismantle the projector when maintaining, it is very inconvenient, and because the mounted position of the general projector is higher, when needing to adjust the vertical angle of the projector, need increase the height with the help of chair or desk, it is very troublesome, we propose a kind of employment guidance teaching and use the projecting apparatus for solving the above-mentioned problem for this reason.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a employment guidance teaching uses projection arrangement to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a projection device for employment guidance teaching comprises a wall body and an electric telescopic rod, wherein the electric telescopic rod is fixedly arranged on the wall body, the output end of the electric telescopic rod is provided with a rotating mechanism, the rotating mechanism is provided with an installation mechanism, and the installation mechanism is provided with a projector body;
the mounting mechanism comprises a mounting frame, the mounting frame is fixedly mounted on a rotating mechanism, a first support frame is fixedly mounted on the outer surface of one side, away from the electric telescopic rod, of the mounting frame, a transmission rod is connected to the inner rotating joint of the first support frame, a first bevel gear is fixedly mounted at one end, away from the first support frame, of the transmission rod, a rotary table is fixedly mounted at one end, close to the first support frame, of the transmission rod, a second support frame which is symmetrically distributed is fixedly mounted on the surface of one side, located on the first support frame, of the mounting frame, a double-headed screw rod is connected to the middle rotating joint of the second support frame in a rotating mode, a second bevel gear is fixedly mounted on the outer surface of the double-headed screw rod in a fixed mode, the first bevel gear is meshed with the second bevel gear, a sliding block which is symmetrically distributed is sleeved on the outer surface of the double-headed screw rod, and a clamping plate which is symmetrically distributed is slidably mounted inside the mounting frame, the clamping plate is fixedly connected with the sliding block, and the projector body is located in the middle of the clamping plate.
As an optimal technical scheme of the utility model, set up the spout of symmetric distribution on the installing frame, the slider is used with spout collocation.
As a preferred technical scheme of the utility model, the equal fixed mounting of opposite face of grip block has the rubber pad, the rubber pad is laminated with the both sides of projecting apparatus body.
As a preferred technical scheme of the utility model, rotary mechanism includes the mounting panel, mounting panel and electric telescopic handle's output fixed connection, electric telescopic handle's one end fixed mounting is kept away from to the mounting panel has the curb plate of symmetric distribution, fixed mounting has the backup pad on the curb plate, fixed mounting has the motor in the backup pad, it has the connecting rod of symmetric distribution to rotate the joint on the curb plate, the output of motor and the connecting rod fixed connection who is close to the backup pad, the looks remote site and the installing frame fixed connection of connecting rod.
As a preferred technical scheme of the utility model, the opposite face of curb plate is smooth structure, the width of mounting panel is less than the width of installing frame.
As the utility model discloses a preferred technical scheme, one side fixed mounting that the grip block is close to the carousel has the baffle of symmetric distribution, the louvre has been seted up on the installing frame.
As an optimized technical scheme of the utility model, fixed mounting has the cooling fan on the installing frame, the cooling fan uses with louvre collocation.
As an optimized technical scheme of the utility model, set up the inlet port that the array distributes on the installing frame.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. can carry out fixed mounting to the projecting apparatus body through installation mechanism, for traditional screw fixed mounting, the later stage is more convenient to the dismantlement of projecting apparatus body, and easy operation is convenient, has improved the practicality.
2. Can carry out the adjustment of vertical angle to the projecting apparatus body through rotary mechanism, do not need artifical adjustment, provide the convenience, can adjust the height of projecting apparatus body through electric telescopic handle to convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention,
FIG. 2 is a schematic sectional view of the structure of the mounting frame of the present invention,
FIG. 3 is a schematic sectional view of the side plate structure of the present invention,
fig. 4 is a schematic structural view of the cooling fan of the present invention.
In the figure: 1. a wall body; 11. an electric telescopic rod; 12. a projector body; 2. an installation mechanism; 21. installing a frame; 22. a first support frame; 23. a transmission rod; 24. a first bevel gear; 25. a turntable; 26. a second support frame; 27. a double-ended screw; 28. a second bevel gear; 29. a slider; 211. a clamping plate; 212. a baffle plate; 213. a rubber pad; 214. a chute; 215. heat dissipation holes; 216. a cooling fan; 217. an air inlet; 3. a rotation mechanism; 31. mounting a plate; 32. a side plate; 33. a support plate; 34. a motor; 35. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): as shown in fig. 1-3, the utility model provides a projection device for employment guidance teaching, which comprises a wall body 1 and an electric telescopic rod 11, wherein the electric telescopic rod 11 is fixedly installed on the wall body 1, the output end of the electric telescopic rod 11 is provided with a rotating mechanism 3, the rotating mechanism 3 is provided with an installation mechanism 2, and the installation mechanism 2 is provided with a projector body 12;
the installation mechanism 2 comprises an installation frame 21, the installation frame 21 is fixedly installed on the rotating mechanism 3, a first support frame 22 is fixedly installed on the outer surface of one side, away from the electric telescopic rod 11, of the installation frame 21, a transmission rod 23 is connected to the inside of the first support frame 22 in a rotating mode, a first bevel gear 24 is fixedly installed at one end, away from the first support frame 22, of the transmission rod 23, a turntable 25 is fixedly installed at one end, close to the first support frame 22, of the transmission rod 23, a second support frame 26 is fixedly installed on the surface of one side, located on the first support frame 22, of the installation frame 21, a double-threaded screw 27 is connected to the middle of the second support frame 26 in a rotating mode, a second bevel gear 28 is fixedly installed on the outer surface of the double-threaded screw 27 in a fixed mode, the first bevel gear 24 is connected with the second bevel gear 28 in a meshing mode, and a sliding block 29 is symmetrically distributed on the outer surface of the double-threaded screw 27 in a threaded sleeve mode, the mounting frame 21 is provided with symmetrically distributed sliding grooves 214, the sliding block 29 is used in cooperation with the sliding grooves 214, the sliding block 29 can slide along the sliding grooves 214, the mounting frame 21 is internally provided with symmetrically distributed clamping plates 211 in a sliding manner, the clamping plates 211 are fixedly connected with the sliding block 29, the projector body 12 is positioned in the middle of the clamping plates 211, rubber pads 213 are fixedly arranged on opposite surfaces of the clamping plates 211, the rubber pads 213 are attached to two sides of the projector body 12, the rubber pads 213 can protect the projector body 12, a symmetrically distributed baffle 212 is fixedly arranged on one side of the clamping plates 211 close to the turntable 25, if the clamping plates 211 do not clamp the projector body 12 tightly, the baffle 212 can limit the projector body 12 to prevent the projector body from falling off, the mounting frame 21 is provided with heat dissipation holes 215, and the mounting frame 21 is fixedly provided with a cooling fan 216, the cooling fan 216 is used in cooperation with the heat dissipation holes 215, the cooling fan 216 can discharge the air flow inside the mounting frame 21 outwards, so as to discharge the heat generated during the operation of the projector body 12, thereby achieving the heat dissipation effect, the mounting frame 21 is provided with the air inlet holes 217 distributed in an array, when in use, the height of the mounting frame 21 is adjusted downwards to a position convenient for the operation of a worker through the electric telescopic rod 11, then the projector body 12 is put into the middle position inside the mounting frame 21, then the rotating disc 25 is rotated, so as to drive the transmission rod 23 and the first bevel gear 24 to rotate, the first bevel gear 24 drives the second bevel gear 28 and the double-headed screw 27 to rotate, along with the rotation of the double-headed screw 27, the group of sliding blocks 29 can move relatively along the direction of the double-headed screw 27, and then drives the group of clamping plates 211 to move relatively until the rubber pads 213 are tightly attached to the two sides of the projector body 12, therefore, the projector body 12 is installed, and finally, the installation frame 21 is adjusted to the original height through the electric telescopic rod 11.
Further, the rotating mechanism 3 includes a mounting plate 31, the mounting plate 31 is fixedly connected to the output end of the electric telescopic rod 11, one end of the mounting plate 31, far away from the electric telescopic rod 11, is fixedly provided with symmetrically distributed side plates 32, opposite surfaces of the side plates 32 are both smooth structures, the width of the mounting plate 31 is smaller than that of the mounting frame 21, so as to facilitate the rotation of the mounting frame 21, the side plates 32 are fixedly provided with a support plate 33, the support plate 33 is fixedly provided with a motor 34, the side plates 32 are rotatably clamped with symmetrically distributed connecting rods 35, the output end of the motor 34 is fixedly connected to the connecting rods 35 close to the support plate 33, opposite ends of the connecting rods 35 are fixedly connected to the mounting frame 21, when the angle of the projector body 12 needs to be adjusted, the motor 34 is started, the motor 34 can drive the connecting rods 35 to rotate, and then drive the mounting frame 21 to rotate, when the projector body 12 is adjusted to a proper angle, the motor 34 is turned off.
The working principle is as follows: when the installation frame is used, the height of the installation frame 21 is adjusted to a position convenient for a worker to operate through the electric telescopic rod 11, then the projector body 12 is placed in the middle position inside the installation frame 21, then the rotary disc 25 is rotated to drive the transmission rod 23 and the first bevel gear 24 to rotate, the first bevel gear 24 drives the second bevel gear 28 and the double-headed screw 27 to rotate, along with the rotation of the double-headed screw 27, the group of sliding blocks 29 can move relatively along the direction of the double-headed screw 27, then the group of clamping plates 211 are driven to move relatively until the rubber pads 213 are tightly attached to two sides of the projector body 12, so that the projector body 12 is installed, and finally the installation frame 21 is adjusted to the original height through the electric telescopic rod 11;
when the angle of projecting apparatus body 12 needs to be adjusted, motor 34 is started, and motor 34 can drive connecting rod 35 to rotate, then drives installing frame 21 to rotate, and when projecting apparatus body 12 is adjusted to suitable angle, motor 34 is closed.
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 (8)
1. The utility model provides a projection arrangement is used in careers' guidance teaching, includes wall body (1) and electric telescopic handle (11), its characterized in that: the electric telescopic rod (11) is fixedly arranged on a wall body (1), the output end of the electric telescopic rod (11) is provided with a rotating mechanism (3), an installation mechanism (2) is arranged on the rotating mechanism (3), and a projector body (12) is arranged on the installation mechanism (2);
installation mechanism (2) includes installing frame (21), installing frame (21) fixed mounting is on rotary mechanism (3), one side outer fixed surface that electric telescopic handle (11) was kept away from in installing frame (21) installs first support frame (22), the inside rotation joint of first support frame (22) has transfer line (23), the one end fixed mounting that first support frame (22) were kept away from in transfer line (23) has first bevel gear (24), one end fixed mounting that transfer line (23) are close to first support frame (22) has carousel (25), one side fixed mounting that installing frame (21) are located first support frame (22) has second support frame (26) of symmetric distribution on the surface, the middle rotation joint of second support frame (26) has double-end screw (27), the outer fixed cover of double-end screw (27) has connect second bevel gear (28), first bevel gear (24) and second bevel gear (28) meshing connection, the surface screw thread cover of double-end screw (27) is equipped with slider (29) of symmetric distribution, the inside slidable mounting of installing frame (21) has grip block (211) of symmetric distribution, grip block (211) and slider (29) fixed connection, projector body (12) are located the centre of grip block (211).
2. The employment guidance teaching projection apparatus according to claim 1, wherein: the mounting frame (21) is provided with symmetrically distributed sliding grooves (214), and the sliding block (29) is matched with the sliding grooves (214) for use.
3. The employment guidance teaching projection apparatus according to claim 1, wherein: the opposite face of grip block (211) all fixed mounting have rubber pad (213), rubber pad (213) and the both sides laminating of projecting apparatus body (12).
4. The employment guidance teaching projection apparatus according to claim 1, wherein: rotary mechanism (3) include mounting panel (31), the output fixed connection of mounting panel (31) and electric telescopic handle (11), the one end fixed mounting that electric telescopic handle (11) was kept away from in mounting panel (31) has curb plate (32) of symmetric distribution, fixed mounting has backup pad (33) on curb plate (32), fixed mounting has motor (34) on backup pad (33), it has connecting rod (35) of symmetric distribution to rotate the joint on curb plate (32), the output of motor (34) and connecting rod (35) fixed connection who is close to backup pad (33), the looks remote site and installing frame (21) fixed connection of connecting rod (35).
5. The employment guidance teaching projection apparatus according to claim 4, wherein: the opposite face of curb plate (32) is smooth structure, the width of mounting panel (31) is less than the width of installing frame (21).
6. The employment guidance teaching projection apparatus according to claim 1, wherein: one side of the clamping plate (211) close to the turntable (25) is fixedly provided with symmetrically distributed baffles (212), and the mounting frame (21) is provided with heat dissipation holes (215).
7. The employment guidance teaching projection apparatus according to claim 6, wherein: the mounting frame (21) is fixedly provided with a cooling fan (216), and the cooling fan (216) is matched with the heat dissipation hole (215) for use.
8. The employment guidance teaching projection apparatus according to claim 1, wherein: the mounting frame (21) is provided with air inlets (217) distributed in an array manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123287690.8U CN216431182U (en) | 2021-12-24 | 2021-12-24 | Projection arrangement is used in careers' guidance teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123287690.8U CN216431182U (en) | 2021-12-24 | 2021-12-24 | Projection arrangement is used in careers' guidance teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216431182U true CN216431182U (en) | 2022-05-03 |
Family
ID=81320365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123287690.8U Expired - Fee Related CN216431182U (en) | 2021-12-24 | 2021-12-24 | Projection arrangement is used in careers' guidance teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216431182U (en) |
-
2021
- 2021-12-24 CN CN202123287690.8U patent/CN216431182U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |