CN209912165U

CN209912165U - Adjustable projection display device is used in teaching of economy class specialty

Info

Publication number: CN209912165U
Application number: CN201920522456.2U
Authority: CN
Inventors: 陈辉民
Original assignee: Hunan Institute of Engineering
Current assignee: Hunan Institute of Engineering
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-07
Anticipated expiration: 2029-04-17

Abstract

The utility model relates to a display device technical field specifically is an adjustable projection display device is used in teaching of economy type specialty, the on-line screen storage device comprises a base, the top welded mounting of base has the stand, and inserts in the stand and install the inserted bar, be the array on the inserted bar and seted up at least three height adjustment hole, and install the altitude mixture control knob that matches with the height adjustment hole through the screw thread spiro union on the stand. The beneficial effects are that: the device passes through the bottom mounting universal wheel, has improved the mobility, and the auxiliary support seat that the bottom increases also can effectual improvement device's stability, the device can be direct manual adjustment projection board's height and inclination, thereby with set up the better cooperation at the projecting apparatus of different positions, made things convenient for the adjustment work before the teaching, the device can come the image of the different projection sizes of adaptation through the quick not projection board of change equidimension, thereby the different use needs of adaptation.

Description

Adjustable projection display device is used in teaching of economy class specialty

Technical Field

The utility model relates to a display device technical field specifically is an economy type specialty is adjustable projection display device for teaching.

Background

A large number of economic models and data tables need to be demonstrated during teaching of economic major, and the traditional teaching mode mainly depends on manual drawing of professors or printing in advance to become paper materials which are distributed to students, so that great inconvenience is brought to teaching. Along with the gradual teaching of walking into of computer, adopt the projecting apparatus to become a more convenient show mode on the influence projection to the projection board that need use in teaching. However, the existing projection plate is mainly hung on a wall directly, and the projector needs to be strictly installed and debugged during use, so that the maintenance is difficult, and the teaching position is not convenient to replace.

If the novel projection display device can change the installation position, is convenient to adjust, can be matched with projectors with different projection positions and projection directions, and can effectively solve the problems, the adjustable projection display device for economic professional teaching is provided for people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an economy class is adjustable projection display device for specialty teaching to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable projection display device for economic major teaching comprises a base, wherein a stand column is welded and installed above the base, an inserting rod is inserted and installed in the stand column, at least three height adjusting holes are formed in the inserting rod in an array mode, a height adjusting screw button matched with the height adjusting holes is installed on the stand column through thread screwing, a rotating seat is integrally formed on the inserting rod, a matching seat is installed above the rotating seat through a bearing, at least three steering positioning holes are formed in the outer side of the rotating seat in a circumferential array mode, and a horizontal angle adjusting screw button matched with the steering positioning holes is installed on the matching seat through thread screwing;

the top integrated into one piece of cooperation seat has the mounting bracket, and installs the pivot through the bearing on the mounting bracket, welded mounting has the link in the pivot, and has the projection board through plate body fixed screw button fixed mounting on the link, and the middle department welded mounting of pivot has the cooperation circle, integrated into one piece has the gliding complex sliding fit arch with the cooperation circle on the cooperation seat, it is provided with at least three cooperation locating hole to circle the equidistance array to cooperate, and installs the location screw button that matches with the cooperation locating hole through the screw thread spiro union in the sliding fit arch.

Preferably, the base is fixedly provided with universal wheels through bolts, and the universal wheels are symmetrically provided with at least two pairs.

Preferably, fixed mounting has the auxiliary support seat on the base, and the auxiliary support seat includes the connecting seat that passes through bolt fixed mounting with the base, the front end welded mounting of connecting seat has the uide bushing, and pegs graft in the uide bushing and install the cooperation pole, it is the array on the cooperation pole and is provided with at least three support locating hole, and has the fixed screw button of support that matches the location with the support locating hole through screw thread fixed mounting on the uide bushing, the terminal integrated into one piece of cooperation pole has the support frame with ground contact, and integrated into one piece has the auxiliary guide pole of pegging graft with the uide bushing matching on the support frame.

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

1. the device improves the mobility by installing the universal wheels at the bottom, and the stability of the device can be effectively improved by adding the auxiliary supporting seat at the bottom;

2. the device can directly and manually adjust the height and the inclination angle of the projection plate, so that the device is better matched with projectors arranged at different positions, and the adjustment work before teaching is facilitated;

3. the device can come the image of the different projection sizes of adaptation through the quick projection board of changing equidimension not to the different use needs of adaptation, required all kinds of economic models and data sheet of show economy class specialty that can be better.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the structure of the present invention.

In the figure: 1 base, 2 auxiliary supporting seat, 201 connecting seat, 202 fixed knob of support, 203 uide bushing, 204 cooperation pole, 205 auxiliary guide pole, 206 support locating hole, 207 support frame, 3 universal wheel, 4 height adjustment knob, 5 rotate the seat, 6 pivots, 7 link, 8 projection boards, 9 plate body fixed knob, 10 mounting brackets, 11 cooperation seats, 12 horizontal angle adjustment knob, 13 cooperation locating holes, 14 turn to the locating hole, 15 height adjustment hole, 16 inserted bars, 17 stand, 18 sliding fit arch, 19 cooperation circles, 20 location knob.

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 2, the present invention provides a technical solution: an adjustable projection display device for economic major teaching comprises a base 1, wherein an upright post 17 is welded and installed above the base 1, an insertion rod 16 is inserted and installed in the upright post 17, at least three height adjusting holes 15 are formed in the insertion rod 16 in an array mode, a height adjusting screw button 4 matched with the height adjusting holes 15 is installed on the upright post 17 through threaded connection, a rotating seat 5 is integrally formed on the insertion rod 16, a matching seat 11 is installed above the rotating seat 5 through a bearing, at least three steering positioning holes 14 are formed in the outer side of the rotating seat 5 in a circumferential array mode, and a horizontal angle adjusting screw button 12 matched with the steering positioning holes 14 is installed on the matching seat 11 through threaded connection;

an installation frame 10 is integrally formed above the matching seat 11, a rotating shaft 6 is installed on the installation frame 10 through a bearing, a connecting frame 7 is installed on the rotating shaft 6 in a welded mode, a projection plate 8 is fixedly installed on the connecting frame 7 through a plate body fixing screw button 9, a matching ring 19 is installed in the middle of the rotating shaft 6 in a welded mode, sliding matching protrusions 18 which are matched with the matching ring 19 in a sliding mode are integrally formed on the matching seat 11, at least three matching positioning holes 13 are formed in the matching ring 19 in an equidistant array mode, and positioning screw buttons 20 matched with the matching positioning holes 13 are installed on the sliding matching protrusions 18 in a threaded mode through threads;

there is universal wheel 3 through bolt fixed mounting on the base 1, and universal wheel 3 is at least two pairs of installed of symmetric state, fixed mounting has auxiliary support seat 2 on the base 1, and auxiliary support seat 2 includes the connecting seat 201 through bolt fixed mounting with base 1, the front end welded mounting of connecting seat 201 has uide bushing 203, and the grafting installs cooperation pole 204 in the uide bushing 203, it is array setting at least three support locating hole 206 to be on the cooperation pole 204, and there is the support fixed screw button 202 that matches the location with support locating hole 206 through screw thread fixed mounting on the uide bushing 203, the terminal integrated into one piece of cooperation pole 204 has the support frame 207 with ground contact, and integrated into one piece has the auxiliary guide pole 205 of pegging graft with uide bushing 203 matching on the support frame 207.

The working principle is as follows: the device during operation can utilize the universal wheel 3 of bottom to drive the device and carry out the free motion, has made things convenient for the adjustment to self position, makes its height that can effectual change projection board 8 with the cooperation of not high height adjustment hole 15 through twisting altitude mixture control knob 4 afterwards to can also come the cooperation with the locating hole 14 that turns to of different positions through twisting horizontal angle adjustment knob 12, thereby can effectually carry out the adjustment of horizontal deflection angle. For the convenience of teaching demonstration, the device can also be used for obliquely arranging the projection plate 8, when the device is used, only the positioning screw button 20 needs to be screwed, and then the matching ring 19 is rotated by a hand, so that the matching positioning holes 13 at different positions on the matching ring 19 are matched and clamped with the positioning screw button 20, and the adjustment of the inclination angle of the projection plate 8 can be realized. The projection plate 8 of the device not only can be used for projection, but also can be arranged below the projection plate to arrange the object placing plate, so that relevant books and props for teaching can be conveniently placed. The projection board 8 of installation also can carry out not unidimensional change as required according to the use on the device, can also improve the device's stability through manual installation auxiliary stay seat 2, during the adjustment, only need pull open support frame 207 outside, utilize the fixed knob 202 of support to fix uide bushing 203 and cooperation pole 204 afterwards can. When the device uses, can be according to the needs free real-time change position of putting of using to can make things convenient for manual regulation projection board 8's height and inclination, thereby can with the better cooperation of projecting apparatus, required all kinds of economic models and data sheet of show economy class specialty that can be better.

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 an economy class specialty teaching is with adjustable projection display device, includes base (1), its characterized in that: an upright post (17) is welded and mounted above the base (1), an insert rod (16) is inserted and mounted in the upright post (17), at least three height adjusting holes (15) are formed in the insert rod (16) in an array mode, a height adjusting screw button (4) matched with the height adjusting holes (15) is mounted on the upright post (17) through threaded connection, a rotating seat (5) is integrally formed on the insert rod (16), a matching seat (11) is mounted above the rotating seat (5) through a bearing, at least three steering positioning holes (14) are formed in the outer side of the rotating seat (5) in a circumferential array mode, and a horizontal angle adjusting screw button (12) matched with the steering positioning holes (14) is mounted on the matching seat (11) through threaded connection;

the top integrated into one piece of cooperation seat (11) has mounting bracket (10), and installs pivot (6) through the bearing on mounting bracket (10), welded mounting has link (7) on pivot (6), and has projection board (8) through fixed knob of plate body (9) fixed mounting on link (7), and the middle department welded mounting of pivot (6) has cooperation circle (19), integrated into one piece has protruding (18) of gliding complex sliding fit with cooperation circle (19) on cooperation seat (11), it is provided with at least three cooperation locating hole (13) to be the equidistance array on cooperation circle (19), and installs location knob (20) that matches with cooperation locating hole (13) through the screw thread spiro union on the protruding (18) of sliding fit.

2. The adjustable projection display device for teaching of economic major as claimed in claim 1, wherein: the universal wheels (3) are fixedly mounted on the base (1) through bolts, and at least two pairs of universal wheels (3) are symmetrically mounted.

3. The adjustable projection display device for teaching of economic major as claimed in claim 1, wherein: fixed mounting has auxiliary support seat (2) on base (1), and auxiliary support seat (2) include with base (1) through bolt fixed mounting's connecting seat (201), the front end welded mounting of connecting seat (201) has uide bushing (203), and the interpolation in uide bushing (203) installs cooperation pole (204), it is array setting on cooperation pole (204) to be provided with at least three support locating hole (206), and has the support fixed screw button (202) of matcing the location with support locating hole (206) through screw thread fixed mounting on uide bushing (203), the terminal integrated into one piece of cooperation pole (204) has support frame (207) with ground contact, and on support frame (207) integrated into one piece have with uide bushing (203) mate the auxiliary guide bar (205) of pegging graft.