CN210924969U

CN210924969U - Portable projecting apparatus that colleges and universities' teaching was used

Info

Publication number: CN210924969U
Application number: CN201922012194.8U
Authority: CN
Inventors: 徐玲
Original assignee: Changchun Normal University
Current assignee: Changchun Normal University
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-03
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a portable projecting apparatus for college teaching, which comprises a bod, be provided with the projecting lens in the middle of the organism front surface, one side of organism is provided with the standing groove, be provided with the receiver in the standing groove, the bottom of receiver is provided with the restriction draw runner, the bottom surface of standing groove is provided with the spout with restriction draw runner junction, restriction draw runner and spout sliding connection, the inboard one end symmetry of restriction draw runner is provided with a pair of anticreep slider, the utility model provides a link has been increased at the organism top to connecting tray and locking thread bush have been designed on the mounted frame, make the installation dismantle between link and the mounted frame more convenient, avoided the loaded down with trivial details of traditional use fixed screw fixation; the utility model provides a main part one side has designed the standing groove to design the receiver that can the pull in the standing groove, can conveniently place the data connecting wire.

Description

Portable projecting apparatus that colleges and universities' teaching was used

Technical Field

The utility model belongs to the technical field of the projecting apparatus, concretely relates to projecting apparatus of portable colleges and universities teaching usefulness.

Background

The projector is also called a projector, and is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, and the like through different interfaces to play corresponding video signals. Projectors are widely applied to families, offices, schools and entertainment places at present, and according to different working modes, the projectors have different types such as CRT, LCD, DLP and the like; extensive application of present projecting apparatus is in the teaching activity in campus, reach better teaching effect, the in-process that present projecting apparatus used in teaching generally is through the fixed support in roof, put the unsettled string of projecting apparatus, it is in the same place support and projecting apparatus link together through the fixed screw now generally, it is all very troublesome that the installation is dismantled, in addition present projecting apparatus generally all need be equipped with data connection line, place these data connection line on the projecting apparatus not, inconvenient accomodating, it is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projecting apparatus of portable colleges and universities teaching usefulness 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: a portable projector for teaching in colleges and universities comprises a machine body, wherein a projection lens is arranged in the middle of the front surface of the machine body, a placing groove is formed in one side of the machine body, a storage box is arranged in the placing groove, a limiting slide bar is arranged at the bottom of the storage box, a sliding groove is formed in the joint of the bottom surface of the placing groove and the limiting slide bar, the limiting slide bar is in sliding connection with the sliding groove, a pair of anti-falling sliders are symmetrically arranged at one end of the inner side of the limiting slide bar, limiting sliding grooves are respectively formed in the joints of the two side surfaces of the sliding groove and the pair of anti-falling sliders, the anti-falling sliders are in sliding connection with the limiting sliding grooves, a connecting frame is arranged at the top of the machine body, a communication port is formed in the middle of the connecting frame, a pair of out-from grooves is formed, and the bottom end of the suspension bracket is provided with a connecting tray, the connecting tray is attached to the inner side surface of the connecting frame, a locking thread sleeve is arranged on the suspension bracket relative to the outer part of the connecting frame, and the locking thread sleeve is attached to the outer surface of the connecting frame.

Preferably, the top edge of receiver is provided with the plastics arch, the inboard surface of standing groove also is provided with a plastics arch for the protruding one side of plastics at receiver top, and two plastics archs dislocation laminating each other.

Preferably, one end of the sliding chute extends to the front surface of the machine body and is communicated with the outside, and both ends of the limiting sliding chute are of sealed structures.

Preferably, the diameter of the connecting tray is 4cm larger than the opening size of the communication opening, and the outlet groove is of an arc-shaped structure.

Preferably, the lower end of the outer surface of the suspension bracket is provided with threads, and the suspension bracket is in threaded connection with the locking threaded sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the connecting frame is added at the top of the machine body in the utility model, and the hanging frame is provided with the connecting tray and the locking thread sleeve, so that the installation and the disassembly between the connecting frame and the hanging frame are more rapid and convenient, and the trouble of the traditional fixing by using a fixing screw is avoided; the utility model provides a main part one side has designed the standing groove to design the receiver that can the pull in the standing groove, can conveniently place the data connecting wire.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the present invention in a partial cross-sectional structure;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at B of the present invention;

fig. 5 is an enlarged schematic view of the utility model at a;

fig. 6 is a schematic top view of the connection frame of the present invention;

in the figure: 1. a body; 2. a projection lens; 3. a storage box; 4. a connecting frame; 5. locking the threaded sleeve; 6. a suspension bracket; 7. a placement groove; 8. an anti-drop slide block; 9. a restraining slide; 10. a chute; 11. connecting the tray; 12. a groove is formed; 13. a communication port; 14. the chute is restricted.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a portable projector for teaching in colleges and universities comprises a machine body 1, a projection lens 2 is arranged in the middle of the front surface of the machine body 1, a placing groove 7 is arranged on one side of the machine body 1, a storage box 3 is arranged in the placing groove 7, a limiting slide bar 9 is arranged at the bottom of the storage box 3 for mounting the storage box 3, a slide groove 10 is arranged at the joint of the bottom surface of the placing groove 7 and the limiting slide bar 9, the limiting slide bar 9 is in sliding connection with the slide groove 10, in order to facilitate the storage box 3 to be pulled, a pair of anti-falling sliders 8 are symmetrically arranged at one end of the inner side of the limiting slide bar 9, limiting slide grooves 14 are respectively arranged at the joint of the two side surfaces of the slide groove 10 and the pair of anti-falling sliders 8, the anti-falling sliders 8 are in sliding connection with the limiting slide grooves 14, in order to prevent the, one side of link 4 is provided with a pair of entering groove 12 of going out, for convenience connect tray 11 can pass in and out, the top of link 4 is connected with mounted frame 6, intercommunication mouth 13 is passed to the bottom of mounted frame 6, and the bottom of mounted frame 6 is provided with connect tray 11, connect tray 11 and the laminating of the inboard surface of link 4, be provided with locking thread bush 5 for the outside of link 4 on the mounted frame 6, the laminating of the outside surface of locking thread bush 5 and link 4, for convenience fixed connection 4 and mounted frame 6.

In this embodiment, preferably, the top edge of storage box 3 is provided with the plastics arch, and the inboard surface of standing groove 7 also is provided with a plastics arch for the protruding one side of plastics at storage box 3 top, and two plastics archs misplace the laminating each other, and in order to guarantee that storage box 3 is fixed firmly in standing groove 7.

In this embodiment, preferably, one end of the sliding groove 10 extends to the front surface of the machine body 1 and communicates with the outside, and both ends of the limiting sliding groove 14 are of a sealing type structure, so as to prevent the storage box from falling off when being pulled out.

In this embodiment, it is preferable that the diameter of the connection tray 11 is 4cm larger than the opening size of the communication opening 13, and the shape of the exit groove 12 is a circular arc structure, in order to ensure that the connection tray 11 can play a supporting role.

In this embodiment, preferably, the outer surface lower extreme position of mounted frame 6 is provided with the screw thread, and mounted

frame

6 and 5 threaded connection of locking thread bush, convenient and fast when also guaranteeing to dismantle in order to lock mounted frame 6 and link 4 for the convenience.

The utility model discloses a theory of operation and use flow: when the device is installed, one end of the suspension bracket 6 is firstly fixed on the roof, the device body 1 is lifted, a pair of outlet grooves 12 on the connecting frame 4 is aligned to the connecting tray 11 at the other end of the suspension bracket 6, then the connecting tray 11 passes through the outlet grooves 12, the connecting tray 11 slides along the edge opening at the bottom of the communicating port 13 until the connecting tray slides to the other end of the communicating port 13, then the locking threaded sleeve 5 is screwed to be tightly attached to the connecting frame 4 in a rotating way, when the device needs to be disassembled, the locking threaded sleeve 5 is rotated reversely to separate the locking threaded sleeve 5 from the connecting frame 4, then the device body 1 is moved to move the connecting tray 11 out of the outlet groove 12, when a data connecting line needs to be placed, a handle outside the storage box 3 can be pulled to pull the storage box 3 out of the placing groove 7, the data connecting line is placed in the storage box 3, then the storage box 3 is pushed to enable the storage box 3 to be contracted into the placing, and the plastics arch through receiver 3 edge is buckled with the protruding block at standing groove 7 edge for receiver 3 is fixed in standing groove 7.

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

1. The utility model provides a projecting apparatus of portable colleges and universities teaching usefulness, includes organism (1), its characterized in that: the projection lens (2) is arranged in the middle of the front surface of the machine body (1), a placing groove (7) is arranged on one side of the machine body (1), a storage box (3) is arranged in the placing groove (7), a limiting slide bar (9) is arranged at the bottom of the storage box (3), a sliding groove (10) is arranged at the joint of the bottom surface of the placing groove (7) and the limiting slide bar (9), the limiting slide bar (9) is in sliding connection with the sliding groove (10), a pair of anti-falling sliding blocks (8) are symmetrically arranged at one end of the inner side of the limiting slide bar (9), limiting sliding grooves (14) are respectively arranged at the joints of the two side surfaces of the sliding groove (10) and the pair of anti-falling sliding blocks (8), the anti-falling sliding blocks (8) are in sliding connection with the limiting sliding grooves (14), a connecting frame (4) is arranged at the top of the machine body (1), one side of link (4) is provided with a pair of entering groove (12) of going out, the top of link (4) is connected with mounted frame (6), intercommunication mouth (13) are passed to the bottom of mounted frame (6), and the bottom of mounted frame (6) is provided with connection tray (11), the laminating of the inboard surface of connection tray (11) and link (4), be provided with locking thread bush (5) for the outside of link (4) on mounted frame (6), the laminating of the outside surface of locking thread bush (5) and link (4).

2. The projector for teaching in colleges and universities as claimed in claim 1, wherein: the top edge of receiver (3) is provided with the plastics arch, the inboard surface of standing groove (7) also is provided with a plastics arch for the protruding one side of plastics at receiver (3) top, and two plastics archs laminating of misplacing each other.

3. The projector for teaching in colleges and universities as claimed in claim 1, wherein: one end of the sliding groove (10) extends to the front surface of the machine body (1) and is communicated with the outside, and two ends of the limiting sliding groove (14) are of sealed structures.

4. The projector for teaching in colleges and universities as claimed in claim 1, wherein: the diameter of the connecting tray (11) is 4cm larger than the opening size of the communicating opening (13), and the outlet groove (12) is of an arc-shaped structure.

5. The projector for teaching in colleges and universities as claimed in claim 1, wherein: threads are arranged at the lower end of the outer surface of the suspension frame (6), and the suspension frame (6) is in threaded connection with the locking threaded sleeve (5).