CN212379710U

CN212379710U - Education projector

Info

Publication number: CN212379710U
Application number: CN202021428545.XU
Authority: CN
Inventors: 宋若愚; 宋晓垒; 张彦斌; 张世光
Original assignee: Beijing Puhua Xingzhi Education Technology Co ltd
Current assignee: Beijing Puhua Xingzhi Education Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-01-19
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses an education projector, which relates to the technical field of projector equipment and mainly solves the problem that the existing projector is inconvenient for outdoor use; the device includes the casing, the bottom of casing is provided with the universal wheel, be provided with projecting apparatus cabinet and electric wire cabinet in the casing, the last sleeve that is provided with of shells inner wall, it has the adjusting lever to peg graft in the sleeve, be provided with the rack on the adjusting lever, be provided with the adjusting plate on the rack, rotate between adjusting plate and the rack and be connected, the bottom of adjusting plate is provided with the support frame, evenly be provided with the adjustment tank on the rack, the support frame is mutually supported with the adjustment tank, the universal wheel links to each other with the disc, disc and drum slidable mounting, be provided with the spring between disc and the drum, the upside of drum is provided with the telescopic link, the telescopic link links to each other with the cylinder, the utility model discloses an above-mentioned structure effectively promotes the removal use operational capability to.

Description

Education projector

Technical Field

The utility model relates to projector equipment technical field specifically is an education projector.

Background

The projector, also known as a projector, is a device capable of projecting images or videos onto a screen, and can be connected with a computer or other devices through different interfaces to project image signals onto the projection screen, so as to achieve an amplification effect.

The existing projector is mostly fixed on the suspended ceiling, and is inconvenient to move and use when projection operation is needed outdoors, and is inconvenient to store and arrange after being used, so that the projector is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an education projector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an education projector, includes the casing, the bottom of casing is provided with the universal wheel, be provided with projecting apparatus cabinet and electric wire cabinet in the casing, the last sleeve that is provided with of shells inner wall, it has the adjusting lever to peg graft in the sleeve, be provided with the adjusting screw between sleeve and the adjusting lever, be provided with the rack on the adjusting lever, be provided with the adjusting plate on the rack, rotate between adjusting plate and the rack and be connected, the bottom of adjusting plate is provided with the support frame, evenly be provided with the adjustment tank on the rack, the support frame mutually supports with the adjustment tank.

As a further aspect of the present invention: the universal wheel is connected with the disc, the disc is slidably mounted with the cylinder, a spring is arranged between the disc and the cylinder, and a telescopic rod is arranged on the upper side of the cylinder and connected with the cylinder.

As a further aspect of the present invention: the placing rack is arranged in a downward inclined mode, and the inclined angle is five degrees to ten degrees.

As a further aspect of the present invention: and a stop block is arranged at the tail end of the adjusting plate.

As a further aspect of the present invention: and a layer of rubber pad is arranged at the lower side edge of the shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the education projector shown by the utility model is convenient for storing the projector and the accessories such as the used corresponding connecting wires and the like by arranging the projector cabinet and the wire cabinet in the shell, is convenient for transporting the projector, and simultaneously avoids losing the accessories such as the connecting wires and damaging the projector in the using process;

2. the utility model discloses an education projector that demonstrates adjusts the height of projector through setting up sleeve, adjusting lever, rack, is convenient for the use of projector under different circumstances, through set up the adjusting plate that can rotate the support on the rack, is convenient for adjust the projector projection angle on the adjusting plate to promote the use regulating power to the projector;

3. the utility model discloses an education projector that demonstrates is through linking to each other universal wheel with cylinder, telescopic link to be convenient for control the height of universal wheel, reach the place when the projector, carry out projection during operation, can control the cylinder and withdraw the universal wheel, make the casing utilize the rubber pad and the ground contact of bottom, promote the power of grabbing on casing and ground, prevent that the casing from causing the projector on the rack to rock when receiving the collision, strengthen the stability of projector.

Drawings

Fig. 1 is a schematic structural diagram of an educational projector.

Fig. 2 is a schematic view of the arrangement of the placement frame and the adjustment plate in the education projector.

Fig. 3 is a schematic view of the mounting of the universal wheel in an educational projector.

Fig. 4 is a schematic view of the adjustment rod and sleeve of the educational projector.

Fig. 5 is a schematic top view of a support frame in an educational projector.

In the figure: 1-shell, 100-rubber pad, 2-universal wheel, 20-disc, 21-spring, 22-cylinder, 23-telescopic rod, 24-cylinder, 3-wire cabinet, 4-projector cabinet, 5-placing rack, 50-adjusting groove, 6-adjusting plate, 60-supporting frame, 61-stop block, 7-rotating shaft, 8-adjusting rod, 9-sleeve and 10-adjusting screw.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1:

referring to fig. 1-5, an education projector includes a housing 1, a universal wheel 2 is disposed at the bottom of the housing 1, a projector cabinet 4 and a cable cabinet 3 are disposed in the housing 1, a sleeve 9 is disposed on the inner wall of the housing 1, an adjusting rod 8 is inserted in the sleeve 9, an adjusting screw 10 is disposed between the sleeve 9 and the adjusting rod 8, a placing frame 5 is disposed on the adjusting rod 8, an adjusting plate 6 is disposed on the placing frame 5, the adjusting plate 6 is rotatably connected with the placing frame 5, a supporting frame 60 is disposed at the bottom of the adjusting plate 6, adjusting grooves 50 are uniformly disposed on the placing frame 5, and the supporting frame 60 is matched with the adjusting grooves 50.

Specifically, in order to facilitate the short-distance movement of the transportation projector, accessories such as the projector and the corresponding connecting wire can be placed in the projector cabinet 4 and the wire cabinet 3 inside the housing 1, so that the projector and the corresponding connecting wire can be accommodated while preventing the accessories from being lost.

More specifically, the projector is supported by the placing frame 5, the adjusting plate 6 and the supporting frame 60, the supporting frame 60 is arranged on the lower side of the adjusting plate 6, the adjusting groove 50 is arranged in the placing frame 5, and the projection angle of the projector is adjusted by the mutual matching between the supporting frame 60 and the adjusting groove 50.

More specifically, the height of the projector is set by the sleeve 9, the adjusting rod 8 and the adjusting screw 10.

Further, the placing frame 5 is arranged in a downward inclined mode, and the inclined angle is five degrees to ten degrees.

Specifically, rack 5 downward sloping sets up, utilizes support frame 60 to carry out wider adjustment to adjusting plate 6, promotes the bow, the angle of elevation regulation ability to the projector.

Further, a stopper 61 is provided at the end of the adjusting plate 6.

In particular, the purpose of the stop 61 is to prevent the projector from slipping off the adjusting plate 6.

Example 2:

this embodiment is a further improvement and a limitation of embodiment 1 on the basis of embodiment 1.

An educational projector comprising all of the components of embodiment 1, further comprising:

further, the universal wheel 2 is connected with a disc 20, the disc 20 is slidably mounted with a cylinder 22, a spring 21 is arranged between the disc 20 and the cylinder 22, an expansion link 23 is arranged on the upper side of the cylinder 22, and the expansion link 23 is connected with a cylinder 24.

Specifically, when the projector performs the projection operation, if the universal wheel 2 supports the housing 1, the housing 1 is easily shaken when being touched by carelessness, thereby affecting the work of the projector on the housing 1, and the projector may be damaged by dropping seriously. In order to avoid the appearance of above-mentioned phenomenon, through linking to each other universal wheel 2 and cylinder 24, telescopic link 23, make the height of universal wheel 2 set up to adjustable form, when the projector is carrying out the projection operation, withdraw universal wheel 2 through cylinder 24 and telescopic link 23, make casing 1 and ground direct contact, and then promote the frictional force between casing 1 and the ground, reduce the condition of rocking of casing 1 when receiving the touching, guarantee the projector safety work on the rack 5.

Further, a layer of rubber pad 100 is disposed on the lower side edge of the housing 1.

Specifically, the rubber pad 100 is provided to prevent the bottom of the housing 1 from directly contacting the ground, which may cause abrasion of the bottom of the housing 1.

The utility model discloses a theory of operation is:

as shown in fig. 1 to 5, the transfer operation is performed by the case 1 and the universal wheels 2, in which the projector is placed in the projector cabinet 4, and the accessories and the connection wires, etc. are placed in the electric wire cabinet 3, avoiding the loss of the accessories and the damage to the projector during the transfer.

After the projector moves to the destination, the universal wheels 2 are retracted through the air cylinders 24, so that the rubber pads 100 on the shell 1 are in contact with the ground, the projector is taken out and placed on the placing frame 5, the inclination angle of the adjusting plate 6 is adjusted through the supporting frame 60 and the adjusting grooves 50, the projection height of the projector is adjusted through the adjusting rods 8, the sleeves 9 and the adjusting screws 10, and the projector is installed completely.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An educational projector comprises a shell (1), universal wheels (2) are arranged at the bottom of the shell (1), a projector cabinet (4) and a wire cabinet (3) are arranged in the shell (1), it is characterized in that a sleeve (9) is arranged on the inner wall of the shell (1), an adjusting rod (8) is inserted in the sleeve (9), an adjusting screw (10) is arranged between the sleeve (9) and the adjusting rod (8), a placing rack (5) is arranged on the adjusting rod (8), an adjusting plate (6) is arranged on the placing rack (5), the adjusting plate (6) is rotatably connected with the placing rack (5), a supporting frame (60) is arranged at the bottom of the adjusting plate (6), the rack (5) is evenly provided with an adjusting groove (50), and the support frame (60) is matched with the adjusting groove (50).

2. An educational projector as claimed in claim 1, wherein the universal wheel (2) is connected to a disc (20), the disc (20) is slidably mounted to a cylinder (22), a spring (21) is provided between the disc (20) and the cylinder (22), a telescopic rod (23) is provided on the upper side of the cylinder (22), and the telescopic rod (23) is connected to a cylinder (24).

3. An educational projector in accordance with claim 2, wherein the rack (5) is inclined downwardly with an angle of inclination of between five and ten degrees.

4. An educational projector as claimed in claim 1, wherein the end of the adjusting plate (6) is provided with a stop (61).

5. An educational projector in accordance with claim 1, characterized in that the lower side edge of the housing (1) is provided with a layer of rubber mat (100).