CN211264059U

CN211264059U - International trade projecting apparatus of imparting knowledge to students

Info

Publication number: CN211264059U
Application number: CN201921754583.1U
Authority: CN
Inventors: 卢舒
Original assignee: Fuzhou College of Foreign Studies and Trade
Current assignee: Fuzhou College of Foreign Studies and Trade
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-08-14
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses an international trade projecting apparatus of imparting knowledge to students, including removing box and case lid, remove the inside fixedly connected with bottom plate of box, and the bottom plate top surface is connected with the roof through climbing mechanism to roof top surface fixedly connected with projecting apparatus body. Has the advantages that: the utility model discloses a climbing mechanism, remove box and hasp, open the hasp back, it is flexible through the steerable hydraulic stem of lift switch, the flexible height that can change the projecting apparatus body through the control hydraulic stem, it is very convenient to install, when not using the projecting apparatus body, can receive the inside moving box body with the projecting apparatus body, through climbing mechanism, it makes the projecting apparatus body break away from the fixed bolster to remove box and hasp, very big having made things convenient for carrying of projecting apparatus body, and simultaneously, remove box and case lid and pass through the hasp closure back, the inside seal structure that is of removal box, the safety of the projecting apparatus body of fine protection, it is injured to avoid carrying the projecting apparatus body when going out.

Description

International trade projecting apparatus of imparting knowledge to students

Technical Field

The utility model relates to a projecting apparatus technical field particularly, relates to an international trade teaching projecting apparatus.

Background

A projector is an optical instrument that uses an optical element to enlarge a contour of a workpiece and projects the enlarged contour onto a screen, and with the advancement of technology, in school education, a projector is installed in each classroom, and therefore, a facility that is indispensable for teachers to attend classes has become essential.

Most projectors used in classrooms at the present stage are hung on a ceiling through a projector support and are controlled through a remote controller, and due to social practices of international trade major design, the class time is limited, the traditional projectors are not suitable for or cannot be carried out of the classrooms for use, so that a teacher can not guide the classroom anytime and anywhere, international trade teaching is influenced, and the small projectors are produced at the present stage, but need to be equipped with professional supports, and are troublesome to install and carry.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an international trade teaching projecting apparatus possesses the advantage of conveniently carrying, and then solves the problem in the above-mentioned background art.

(II) technical scheme

For realizing the above-mentioned advantage of conveniently carrying, the utility model discloses a concrete technical scheme as follows:

the utility model provides an international trade projecting apparatus of imparting knowledge to students, is including removing box and case lid, remove the inside fixedly connected with bottom plate of box, and the bottom plate top surface is connected with the roof through climbing mechanism to roof top surface fixedly connected with projecting apparatus body, it is provided with the case lid to remove the box top surface, and the case lid passes through the hasp and is connected with the removal box, climbing mechanism includes branch, hydraulic stem and articulated shaft, and the branch both ends are articulated each other to form crisscross beta structure to the branch at crisscross beta structure both ends is articulated with roof and bottom plate, top branch bottom surface is articulated with the hydraulic stem in the crisscross beta structure, and the hydraulic stem other end underrun articulated shaft is articulated with the bottom plate.

Furthermore, a storage battery is arranged below the bottom plate and inside the movable box body, and the storage battery is electrically connected with the projector body through a spring lead.

Furthermore, the corner of the bottom surface of the movable box body is fixedly connected with a universal wheel, and the center of the top surface of the box cover is fixedly connected with a handle.

Furthermore, a pull rod is fixedly connected to the back vertical surface of the movable box body.

Furthermore, a lifting switch is embedded in the right vertical surface of the movable box body, and the output end of the lifting switch is electrically connected with the input end of the hydraulic rod.

Furthermore, a charging port is embedded in the right vertical surface of the movable box body, and the charging port is electrically connected with the storage battery through an AC/DC conversion interface.

(III) advantageous effects

Compared with the prior art, the utility model provides an international trade teaching projecting apparatus possesses following beneficial effect:

(1) the utility model discloses a climbing mechanism, remove box and hasp, open the hasp back, it is flexible through the steerable hydraulic stem of elevating switch, the hydraulic stem extension promotes branch and opens, branch is opened and is promoted the roof and rises, thereby it rises to promote the projecting apparatus body, carry out projection work, the flexible height that can change the projecting apparatus body through control hydraulic stem, it is very convenient to install, when not using the projecting apparatus body, can receive inside the removal box with the projecting apparatus body, through climbing mechanism, remove box and hasp messenger projecting apparatus body and broken away from the fixed bolster, the very big carrying that has made things convenient for the projecting apparatus body, and simultaneously, remove box and case lid and pass through the hasp closure back, remove the inside seal structure that is of box, the safety of the projecting apparatus body of fine protection, it is injured to avoid carrying projecting apparatus body when going out.

(2) The utility model discloses a battery, pull rod and universal wheel, battery are the power supply of projecting apparatus body, when meetting the condition that does not have external power supply, still can demonstrate through the battery power supply, make this device portability out the classroom and use, simultaneously, pull rod, can remove this device like the removal suitcase, it is more convenient to carry, and it is more convenient to remove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an international trade teaching projector according to the present invention;

fig. 2 is a schematic diagram of an international trade teaching projector according to the present invention;

fig. 3 is a front view of an international trade teaching projector according to the present invention;

fig. 4 is a back view of the international trade teaching projector provided by the utility model.

In the figure:

1. moving the box body; 2. a box cover; 3. locking; 4. a projector body; 5. a handle; 6. a top plate; 7. a jacking mechanism; 8. a base plate; 9. a storage battery; 10. a universal wheel; 11. a spring wire; 12. a strut; 13. a hydraulic lever; 14. hinging a shaft; 15. a charging port; 16. a lifting switch; 17. a pull rod.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an international trade teaching projecting apparatus.

Referring now to the drawings and the detailed description, as shown in fig. 1-4, an international trade teaching projector according to an embodiment of the present invention includes a movable box 1 and a cover 2, a bottom plate 8 is fixedly connected inside the movable box 1, and a top surface of the bottom plate 8 is connected to a top plate 6 through a jacking mechanism 7, and a projector body 4 is fixedly connected to a top surface of the top plate 6, a cover 2 is disposed on a top surface of the movable box 1, a slot is disposed on a bottom surface of the cover 2, a locking bar is disposed on a top surface of the movable box 1 corresponding to the slot, and is locked inside the slot to increase the sealing performance of the movable box 1, and the cover 2 is connected to the movable box 1 through a locking buckle 3, the locking buckle 3 is a common structure, the device does not refer to a locking element singly, the jacking mechanism 7 includes a support rod 12, a hydraulic rod 13 and a hinge shaft 14, and two ends of the support rod 12, and the supporting rods 12 at the two ends of the staggered folding structure are hinged with the top plate 6 and the bottom plate 8, the bottom surface of the supporting rod 12 at the uppermost part of the staggered folding structure is hinged with the hydraulic rod 13, the bottom surface of the other end of the hydraulic rod 13 is hinged with the bottom plate 8 through the hinged shaft 14, the structure is similar to that of a lifting platform, and redundant description is not repeated, after the lock catch 3 is opened, the hydraulic rod 13 extends to push the supporting rod 12 to be opened, the supporting rod 12 is opened to push the top plate 6 to ascend, so as to push the projector body 4 to ascend, projection work is carried out, the height of the projector body 4 can be changed by controlling the extension and contraction of the hydraulic rod 13, the installation is very convenient, when the projector body 4 is not used, the projector body 4 can be received in the movable box body 1, the projector body 4 is free from a fixed support through the jacking mechanism 7, after the movable box body 1 and the box cover 2 are locked by the lock catches 3, the inner part of the movable box body 1 is of a sealing structure, and the projector body 4 is well protected from being injured when being carried outside.

In one embodiment, the battery 9 is arranged below the bottom plate 8 and inside the movable box body 1, the battery 9 is electrically connected with the projector body 4 through the spring wire 11, the spring wire 11 can be extended and shortened, the lifting of the projector body 4 is not affected, the battery 9 supplies power for the projector body 4, and when the situation that no external power supply exists is met, the display can be still carried out through the power supply of the battery 9, so that the device can be carried out in a classroom.

In one embodiment, the corner of the bottom surface of the movable box body 1 is fixedly connected with a universal wheel 10, the universal wheel 10 is a lockable universal wheel, the central position of the top surface of the box cover 2 is fixedly connected with a handle 5, and the handle 5 is convenient for lifting the device.

In one embodiment, remove 1 back of the body facade fixedly connected with pull rod 17, pull rod 17 structure is the same with the pull rod structure in the suitcase, for liftable structure, and is comparatively common, does not do too much repeated here, pulls out pull rod 17, can remove this device like removing the suitcase, and it is more convenient to carry, and it is more convenient to remove.

In one embodiment, the lifting switch 16 is embedded in the front vertical surface of the movable box 1, and the output end of the lifting switch 16 is electrically connected with the input end of the hydraulic rod 13, so that the control structure is simple, and the operation is convenient as shown in the figure, and the movable box can be produced or shortened through the hydraulic rod 13 through the lifting switch 16.

In one embodiment, the charging port 15 is embedded in the front vertical surface of the mobile box 1, and the charging port 15 is electrically connected with the storage battery 9 through an AC/DC conversion interface, so as to facilitate charging of the storage battery 9.

The working principle is as follows:

after the lock catch 3 is opened, the hydraulic rod 13 is extended to push the support rod 12 to be opened, the support rod 12 is opened to push the top plate 6 to rise, so that the projector body 4 is pushed to rise to perform projection work, the height of the projector body 4 can be changed by controlling the extension and retraction of the hydraulic rod 13, the installation is very convenient, when the projector body 4 is not used, the projector body 4 can be received inside the movable box body 1, the projector body 4 is free from a fixed support through the jacking mechanism 7, the movable box body 1 and the lock catch 3, the carrying of the projector body 4 is greatly facilitated, meanwhile, after the movable box body 1 and the box cover 2 are locked through the lock catch 3, the inside of the movable box body 1 is of a sealing structure, the projector body 4 is well protected, the projector body 4 is prevented from being injured when being carried out, meanwhile, the storage battery 9 supplies power to the projector body 4, when the condition, can still show through the power supply of battery 9, make this device portability go out the classroom and use, in addition, pull rod 17 is pulled out, can remove this device like removing the suitcase, and it is more convenient to carry, and it is more convenient to remove.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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.

Claims

1. The international trade teaching projector is characterized by comprising a movable box body (1) and a box cover (2), wherein a bottom plate (8) is fixedly connected inside the movable box body (1), the top surface of the bottom plate (8) is connected with a top plate (6) through a jacking mechanism (7), the top surface of the top plate (6) is fixedly connected with a projector body (4), the top surface of the movable box body (1) is provided with the box cover (2), the box cover (2) is connected with the movable box body (1) through a lock catch (3), the jacking mechanism (7) comprises a support rod (12), a hydraulic rod (13) and a hinge shaft (14), two ends of the support rod (12) are hinged with each other to form a staggered folding structure, the support rods (12) at two ends of the staggered folding structure are hinged with the top plate (6) and the bottom plate (8), the bottom surface of the uppermost support rod (12) in the staggered folding structure is, and the bottom surface of the other end of the hydraulic rod (13) is hinged with the bottom plate (8) through a hinge shaft (14).

2. The international trade teaching projector according to claim 1, wherein a storage battery (9) is arranged below the bottom plate (8) and inside the movable box body (1), and the storage battery (9) is electrically connected with the projector body (4) through a spring lead (11).

3. The international trade teaching projector according to claim 1, wherein the corner of the bottom surface of the movable box body (1) is fixedly connected with a universal wheel (10), and the center of the top surface of the box cover (2) is fixedly connected with a handle (5).

4. The international trade teaching projector according to claim 1, wherein a pull rod (17) is fixedly connected to the back vertical surface of the movable box body (1).

5. The international trade teaching projector according to claim 1, wherein a lifting switch (16) is embedded in the vertical surface of the movable box body (1), and the output end of the lifting switch (16) is electrically connected with the input end of the hydraulic rod (13).

6. The international trade teaching projector according to claim 2, wherein a charging port (15) is embedded in the vertical surface of the movable case (1), and the charging port (15) is electrically connected with the storage battery (9) through an AC/DC conversion interface.