CN212411369U - Projection equipment that accounting teaching was used - Google Patents
Projection equipment that accounting teaching was used Download PDFInfo
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- CN212411369U CN212411369U CN202022304214.1U CN202022304214U CN212411369U CN 212411369 U CN212411369 U CN 212411369U CN 202022304214 U CN202022304214 U CN 202022304214U CN 212411369 U CN212411369 U CN 212411369U
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Abstract
The utility model discloses a projection equipment that accounting teaching was used, including the projection equipment main part, the front end of projection equipment main part is provided with heat dissipation strip and projection lens, and the side of projection equipment main part is provided with the switch, the lower extreme of projection equipment main part is provided with height-adjustable slewing mechanism, height-adjustable slewing mechanism's lower extreme is provided with protection machanism, and this equipment is not fragile, long service life, and projection angle is adjustable simultaneously.
Description
Technical Field
The utility model belongs to teaching projection equipment field relates to a projection equipment that accounting teaching was used.
Background
Accounting is an economic management work of taking money as a main metering unit and using a special method to account and supervise economic activities of a unit, and a person who carries out the accounting work also has a special accounting course in a university.
Present projection equipment has certain drawback when using, firstly, when not using projection equipment, if students play in the classroom, easily lead to projection equipment to be strikeed by the foreign object, thereby make it damage, reduce projection equipment's life, certain adverse effect has, secondly, general projection equipment installation back, all be difficult for adjusting the position of projection, also be difficult for adjusting the angle of projection, it is comparatively inconvenient to use, certain adverse effect has, certain influence has been brought for people's use, for this reason, we propose a projection equipment that accounting teaching used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a projection equipment that accounting teaching was used, this equipment is not fragile, long service life, and projection angle is adjustable simultaneously.
In order to achieve the purpose, the projection equipment of accounting teaching usefulness include the projection equipment main part, the front end of projection equipment main part is provided with heat dissipation strip and projection lens, and the side of projection equipment main part is provided with the switch, the lower extreme of projection equipment main part is provided with height-adjustable slewing mechanism, height-adjustable slewing mechanism's lower extreme is provided with protection machanism.
The protection mechanism comprises a base, a protection cover, a support frame and a movable frame, wherein the lower end of the support frame is installed on two sides of the base, the lower end of the movable frame is inserted into the upper end of the support frame, the protection cover is arranged on the upper end of the movable frame, and a buffer spring is arranged in the middle of the protection cover.
The height-adjustable rotating mechanism comprises a top plate, a connecting rod, a rotary plate, a fixed rod, a chassis and a sucker, the upper end of the chassis is provided with the rotary plate, the lower end of the fixed rod is fixed on the rotary plate, the lower end of the connecting rod is sleeved on the upper end of the fixed rod, the top plate is fixed on the upper end of the connecting rod, the sucker is fixed on the top plate, and the projection equipment main body is adsorbed on the sucker.
Sliding connection between support frame and the adjustable shelf, buffer spring's quantity is a plurality of groups, and each group's buffer spring is equidistant arranges, and the figure of support frame is two, and two support frames are located the left and right sides of base.
The connecting rods are connected with the fixed rods in a sliding mode, the base plate is fixedly connected with the protection mechanism, the number of the suckers is four, and the four suckers are symmetrically distributed.
The number of the heat dissipation strips is more than or equal to 2, the heat dissipation strips are arranged at equal intervals, and a power supply interface is arranged at the rear end of the projection equipment main body.
The utility model discloses following beneficial effect has:
the utility model discloses a projection equipment for accounting teaching when concrete operation, the lower extreme of height-adjustable slewing mechanism is provided with protection machanism, through the protection machanism that sets up, can be when not using the projection equipment main part, adjust the position of movable rack on the support frame, then cover the protection casing outside the projection equipment main part, make buffer spring fix the top of projection equipment main part, in order to increase the stability of projection equipment main part, prevent students from playing in the middle of a class simultaneously, strike the projection equipment main part, play certain guard action to it, can improve the life of projection equipment main part, be favorable to people to use, through the height-adjustable slewing mechanism that sets up, can place the projection equipment main part on the roof, fix it through the sucking disc on the roof, then according to the position that needs the projection, adjust the height of connecting rod on the dead lever, thereby make the projection equipment main part be in best projection position, can also make the carousel rotate on the chassis to change the projected angle of projection equipment main part, the teacher of being convenient for operates the projected position, can make the projection equipment main part become more practical, is favorable to people to use, whole projection equipment that accounting teaching used simple structure, convenient operation, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the middle protection mechanism 2 of the present invention.
Fig. 3 is a schematic structural diagram of a middle-height adjustable rotating mechanism 3 of the present invention.
Wherein, 1 is a projection device main body, 2 is a protection mechanism, 201 is a base, 202 is a protective cover, 203 is a buffer spring, 204 is a support frame, 205 is a movable frame, 3 is a height-adjustable rotating mechanism, 301 is a top plate, 302 is a connecting rod, 303 is a turntable, 304 is a fixed rod, 305 is a chassis, 306 is a sucker, 4 is a heat dissipation strip, 5 is a projection lens, and 6 is a switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, fig. 2 and fig. 3, projection equipment that accounting teaching used include projection equipment main part 1, projection equipment main part 1's front end is provided with heat dissipation strip 4 and projection lens 5, and projection equipment main part 1's side is provided with switch 6, projection equipment main part 1's lower extreme is provided with height-adjustable slewing mechanism 3, height-adjustable slewing mechanism 3's lower extreme is provided with protection machanism 2.
The protection mechanism 2 comprises a base 201, a protection cover 202, a support frame 204 and a movable frame 205, wherein the lower end of the support frame 204 is installed on two sides of the base 201, the lower end of the movable frame 205 is inserted into the upper end of the support frame 204, the protection cover 202 is arranged on the upper end of the movable frame 205, and a buffer spring 203 is arranged in the middle of the protection cover 202.
Height-adjustable slewing mechanism 3 includes roof 301, connecting rod 302, carousel 303, dead lever 304, chassis 305 and sucking disc 306, and the upper end of chassis 305 is equipped with rotatable carousel 303, and on the lower extreme of dead lever 304 was fixed in carousel 303, the lower extreme of connecting rod 302 cup jointed on the upper end of dead lever 304, and roof 301 is fixed in the upper end of connecting rod 302, and sucking disc 306 is fixed in on roof 301, and projection equipment main part 1 adsorbs on sucking disc 306.
The supporting frames 204 are connected with the movable frame 205 in a sliding mode, the number of the buffer springs 203 is a plurality of groups, the buffer springs 203 in each group are arranged at equal intervals, the number of the supporting frames 204 is two, and the two supporting frames 204 are located on the left side and the right side of the base 201.
The connecting rods 302 are slidably connected with the fixing rods 304, the base plate 305 is fixedly connected with the protection mechanism 2, the number of the suction cups 306 is four, and the four suction cups 306 are symmetrically distributed.
The number of the heat dissipation strips 4 is more than or equal to 2, the heat dissipation strips 4 are arranged at equal intervals, and a power supply interface is arranged at the rear end of the projection equipment main body 1.
The utility model discloses theory of operation and use flow do:
when the projection device is used, in order to adjust the projection height and angle, the projection device main body 1 can be placed on the top plate 301, the top plate 301 is fixed through the sucking disc 306, and then the projection position is adjusted according to the requirement, the height of the connecting rod 302 on the fixing rod 304 is adjusted, so that the projection device main body 1 is in the best projection position, the turntable 303 can also be rotated on the chassis 305, so that the projection angle of the projection device main body 1 is changed, a teacher can conveniently operate the projection position, the projection device main body 1 can be more practical and is beneficial to people to use, the switch 6 can be opened during teaching, so that an image can be projected to the corresponding position through the projection lens 5, the heat dissipation strip 4 at the front end of the projection device main body 1 can also play a heat dissipation role, and the projection principle of the projection device main body 1 is consistent with that of a common projector, when not using projection equipment main part 1, in order to prevent that the casing of projection equipment main part 1 from being damaged by the foreign object, can be through adjusting the position of adjustable shelf 205 on support frame 204, then cover the outside of protection casing 202 at projection equipment main part 1, make buffer spring 203 fix the top to projection equipment main part 1, can increase projection equipment main part 1's stability, can also prevent that students from playing in class, strike projection equipment main part 1, certain guard action has been played to it, can improve projection equipment main part 1's life, be favorable to people to use.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a projection equipment that accounting teaching was used, its characterized in that, includes projection equipment main part (1), the front end of projection equipment main part (1) is provided with heat dissipation strip (4) and projection lens (5), and the side of projection equipment main part (1) is provided with switch (6), the lower extreme of projection equipment main part (1) is provided with height-adjustable slewing mechanism (3), the lower extreme of height-adjustable slewing mechanism (3) is provided with protection machanism (2).
2. The projection equipment for accounting teaching as claimed in claim 1, wherein the protection mechanism (2) comprises a base (201), a protection cover (202), a support frame (204) and a movable frame (205), wherein the lower end of the support frame (204) is installed at two sides of the base (201), the lower end of the movable frame (205) is inserted into the upper end of the support frame (204), the protection cover (202) is arranged at the upper end of the movable frame (205), and a buffer spring (203) is arranged in the middle of the protection cover (202).
3. The projection equipment for accounting teaching as claimed in claim 1, wherein the height adjustable rotating mechanism (3) comprises a top plate (301), a connecting rod (302), a fixing rod (304), a chassis (305) and a suction cup (306), the upper end of the chassis (305) is provided with a rotatable turntable (303), the lower end of the fixing rod (304) is fixed on the turntable (303), the lower end of the connecting rod (302) is sleeved on the upper end of the fixing rod (304), the top plate (301) is fixed on the upper end of the connecting rod (302), the suction cup (306) is fixed on the top plate (301), and the projection equipment body (1) is adsorbed on the suction cup (306).
4. The projection equipment for accounting teaching as claimed in claim 2, wherein the support frames (204) are slidably connected with the movable frame (205), the number of the buffer springs (203) is several groups, the buffer springs (203) in each group are arranged at equal intervals, the number of the support frames (204) is two, and the two support frames (204) are located on the left and right sides of the base (201).
5. The projection device for teaching accountant according to claim 3, wherein the connecting rods (302) are slidably connected with the fixing rods (304), the base plate (305) is fixedly connected with the protection mechanism (2), the number of the suction cups (306) is four, and the four suction cups (306) are symmetrically distributed.
6. The projection equipment for accounting teaching as claimed in claim 1, wherein the number of the heat dissipation strips (4) is greater than or equal to 2, the heat dissipation strips (4) are arranged at equal intervals, and the rear end of the projection equipment main body (1) is provided with a power supply interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022304214.1U CN212411369U (en) | 2020-10-15 | 2020-10-15 | Projection equipment that accounting teaching was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022304214.1U CN212411369U (en) | 2020-10-15 | 2020-10-15 | Projection equipment that accounting teaching was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212411369U true CN212411369U (en) | 2021-01-26 |
Family
ID=74375450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022304214.1U Active CN212411369U (en) | 2020-10-15 | 2020-10-15 | Projection equipment that accounting teaching was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212411369U (en) |
-
2020
- 2020-10-15 CN CN202022304214.1U patent/CN212411369U/en active Active
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