CN209946627U

CN209946627U - Auxiliary projection equipment for teaching

Info

Publication number: CN209946627U
Application number: CN201920400327.6U
Authority: CN
Inventors: 纪广月; 管艺博; 张子龙
Original assignee: GUANGDONG COLLEGE OF BUSINESS AND TECHNOLOGY
Current assignee: GUANGDONG COLLEGE OF BUSINESS AND TECHNOLOGY
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-01-14
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a teaching is auxiliary to use projection equipment, the on-line screen storage device comprises a base, both ends threaded connection has the bolt about the top of base, the inner wall of drum passes through the bearing and rotates and link to each other there is the round bar, the terminal of block rubber is in the same place with the inner wall outer end rigid coupling of draw-in groove, the inside of box is equipped with the body, the outer wall of slider and the inner wall clearance fit of spout, the top threaded connection of box has the threaded rod, the outer wall of cardboard and the top clearance fit of iron sheath. This supplementary projection equipment that uses of teaching, through the spout, the slider, the iron cover, the cooperation of box and threaded rod, can install fast and dismantle when making the body can break down again, the maintenance of being convenient for, and then make things convenient for people to use, the cooperation of rethread spring, square plate, round bar, square tube and block rubber, make the body when the accident collision takes place, can need not manual operation and carry out automatic re-setting, and then improve teaching efficiency, and the buffering through the spring also can reduce the risk of unexpected damage.

Description

Auxiliary projection equipment for teaching

Technical Field

The utility model relates to the technical field, specifically be a teaching is auxiliary with projection equipment.

Background

Projection equipment is one kind can be with image or video projection equipment on the curtain, be connected with electronic equipment through different interfaces and play corresponding video signal, it is one kind and utilizes optical element to enlarge the profile of work piece, and with its optical instrument on the projection screen, and then projection equipment also wide application in supplementary teaching, but traditional teaching is supplementary to have more not enough with projection equipment, when needing the maintenance, it is very inconvenient when installing and dismantling, and when teaching uses, because of the classroom people is more, the accident collision takes place easily, need manual operation to put right when the collision takes place, not only delay the time, influence teaching efficiency, the risk of accident damage is higher simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching is supplementary with projection equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a projection device for teaching assistance comprises a base, wherein the left end and the right end of the top of the base are in threaded connection with bolts, a cylinder is fixedly connected to the center of the top of the base, the inner wall of the cylinder is connected with a round rod in a rotating mode through a bearing, a clamping groove is formed in the inner wall of the cylinder, square plates are fixedly connected to the left end and the right end of the round rod, the outer wall of each square plate is in clearance fit with the inner wall of the clamping groove, springs are fixedly connected to the upper end and the lower end of each square plate, the two ends of each spring are fixedly connected with the two ends of the inner wall of the clamping groove, a rubber block is clamped to the outer end of each square plate, the tail end of each rubber block is fixedly connected with the outer end of the inner wall of the clamping groove, a box body is fixedly connected to the top end of the round rod, a sliding groove is formed in the bottom of the inner, the bottom rigid coupling of iron set has the slider, the outer wall of slider and the inner wall clearance fit of spout, the top threaded connection of box has the threaded rod, the top rigid coupling of threaded rod has the handle, the bottom rigid coupling of threaded rod has the cardboard, the outer wall of cardboard and the top clearance fit of iron set.

Preferably, the bottom left side rigid coupling of box has the support, the front of support is connected with the curved bar through the round pin axle rotation, the left end rigid coupling of curved bar has the card lid, the inner wall of card lid and the left end bottom clearance fit of box.

Preferably, the top of the cylinder is fixedly connected with a rubber cap, and the outer wall of the round rod penetrates through the rubber cap.

Preferably, the outer wall of the handle is fixedly connected with a first rubber ring.

Preferably, the bottom of the clamping plate is fixedly connected with a rubber pad, and the bottom of the rubber pad is attached to the top of the iron sleeve.

Preferably, the inner wall rigid coupling of card lid has the second rubber circle, the inner wall of second rubber circle and the left end bottom interference fit of box.

Compared with the prior art, the beneficial effects of the utility model are that: this supplementary projection equipment of using of teaching, through the spout, the slider, the iron cover, the cooperation of box and threaded rod, can install fast and dismantle when making the body can break down again, the maintenance of being convenient for, and then make things convenient for people to use, the rethread spring, the square plate, the round bar, the cooperation of square tube and block rubber, make the body when the accident collision takes place, can need not manual operation and carry out automatic re-setting, and then reduce the time that delays the teaching, the efficiency of teaching is improved, and the risk that the accident damaged also can be reduced through the buffering of spring.

Drawings

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

FIG. 2 is a schematic view showing the connection relationship between the rod, the cylinder and the base in FIG. 1;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic view of the connection relationship between the card cover, the box body and the chute in fig. 1.

In the figure: 1. the base, 2, the bolt, 3, the drum, 4, the bearing, 5, the round bar, 6, the draw-in groove, 7, square slab, 8, the spring, 9, the box, 10, the spout, 11, the body, 12, the rubber sleeve, 13, the iron sheathing, 14, the slider, 15, the threaded rod, 16, the handle, 17, the cardboard, 18, the block rubber, 19, the support, 20, the round pin axle, 21, the curved bar, 22, the card lid, 23, the rubber cap, 24, first rubber circle, 25, the rubber pad, 26, the second rubber circle.

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. 1-4, the present invention provides a technical solution: a projection device for teaching assistance comprises a base 1, wherein bolts 2 are in threaded connection with the left end and the right end of the top of the base 1, the bolts 2 are fixedly connected with an external plane, a cylinder 3 is fixedly connected with the center of the top of the base 1, the inner wall of the cylinder 3 is rotatably connected with a round rod 5 through a bearing 4, the bearing 4 enables the round rod 5 to rotate when stressed, a clamping groove 6 is processed on the inner wall of the cylinder 3, square plates 7 are fixedly connected with the left end and the right end of the round rod 5, the outer wall of each square plate 7 is in clearance fit with the inner wall of the clamping groove 6, the clamping groove 6 enables the square plates 7 not to influence rotation when stressed, springs 8 are fixedly connected with the upper end and the lower end of each square plate 7, each spring 8 has a limiting effect on the square plates 7, the two ends of each spring 8 are fixedly connected with the two ends of the inner wall of the corresponding clamping groove 6, rubber blocks 18 are clamped at the outer ends of the square plates 7, the, so that the square plate 7 can be quickly clamped when rotating, and can provide friction force when the round rod 5 rotates, the top of the cylinder 3 is fixedly connected with a rubber cap 23, the outer wall of the round rod 5 penetrates through the rubber cap 23, the rubber cap 23 is used for preventing dust in the square cylinder 3, the top end of the round rod 5 is fixedly connected with a box body 9, the bottom of the inner wall of the box body 9 is provided with a chute 10, the chute 10 is positioned at the left end of the bottom of the inner wall of the box body 9, the box body 9 is internally provided with a body 11, the outer wall of the body 11 is fixedly connected with a rubber sleeve 12, the rubber sleeve 12 plays a role in protecting the body 11, the outer wall of the rubber sleeve 12 is fixedly connected with an iron sleeve 13, the bottom of the iron sleeve 13 is fixedly connected with a sliding block 14, the outer wall of the sliding block 14 is in clearance fit with the inner wall of the chute 10, the chute 10 plays a limiting role in the iron sleeve 13, and further limits, the outer wall of the handle 16 is fixedly connected with a first rubber ring 24, the first rubber ring 24 is used for increasing friction of the outer wall of the handle 16, the bottom of the threaded rod 15 is fixedly connected with a clamping plate 17, the outer wall of the clamping plate 17 is in clearance fit with the top of the iron sleeve 13, the clamping plate 17 is used for limiting the position of the body 11, the bottom of the clamping plate 17 is fixedly connected with a rubber pad 25, the bottom of the rubber pad 25 is attached to the top of the iron sleeve 13, the rubber pad 25 is used for increasing friction of the bottom of the clamping plate 17, the left side of the bottom of the box 9 is fixedly connected with a support 19, the front of the support 19 is rotatably connected with a curved bar 21 through a pin shaft 20, the pin shaft 20 enables the curved bar 21 to rotate when stressed, the left end of the curved bar 21 is fixedly connected with a clamping cover 22, the inner wall of the clamping cover 22 is in clearance fit with the bottom of the left end of the box 9, the clamping cover 22 is used for preventing the body 1 from, the second rubber ring 26 is used to increase the friction of the inner wall of the card cover 22.

Firstly, the base 1 is fixed on an external platform surface through the clearance fit of the outer wall of the bolt 2 and the base 1, the body 11 slides into the box body 9 through the clearance fit of the inner wall of the sliding groove 10 and the outer wall of the sliding block 14, the handle 16 is screwed, the threaded rod 15 rotates, the clamping plate 17 can move up and down through the threaded connection of the outer wall of the threaded rod 15 and the top of the box body 9, the bottom of the rubber pad 25 is attached to the top of the iron sleeve 13, the position of the body 11 is further fixed, the projection of the body 11 is assisted in teaching, in the using process, when external accidental collision occurs, the inner wall of the cylinder 3 is rotationally connected with the outer wall of the round rod 5 through the bearing 4, the round rod 5 can rotate when stressed, the box body 9 and the body 11 can rotate simultaneously, the body 11 can not be separated from the box body 9, and the body 11 plays a role in protecting, through the clearance fit of the outer wall of the square plate 7 and the clamping groove 6, the box body 9 is collided, the rubber blocks 18 are separated from the clamping of the square plate 7, and the square plate 7 can be quickly reset through the elastic action of the spring 8, so that the square plate 7 is convenient to use without manual righting when teaching, and the teaching efficiency is improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships 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," "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.

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 teaching is auxiliary to use projection equipment, includes base (1), its characterized in that: the bolt (2) is in threaded connection with the left end and the right end of the top of the base (1), the cylinder (3) is fixedly connected to the center of the top of the base (1), the inner wall of the cylinder (3) is connected with the round rod (5) through the bearing (4) in a rotating manner, the clamping groove (6) is machined on the inner wall of the cylinder (3), the square plate (7) is fixedly connected to the left end and the right end of the round rod (5), the outer wall of the square plate (7) is in clearance fit with the inner wall of the clamping groove (6), the spring (8) is fixedly connected to the upper end and the lower end of the square plate (7), the two ends of the spring (8) are fixedly connected with the two ends of the inner wall of the clamping groove (6), the rubber block (18) is clamped to the outer end of the square plate (7), the tail end of the rubber block (18) is fixedly connected with the outer end of the inner wall of the clamping groove (6), the box body (9) is fixedly connected, the inside of box (9) is equipped with body (11), the outer wall rigid coupling of body (11) has rubber sleeve (12), the outer wall rigid coupling of rubber sleeve (12) has iron cover (13), the bottom rigid coupling of iron cover (13) has slider (14), the outer wall of slider (14) and the inner wall clearance fit of spout (10), the top threaded connection of box (9) has threaded rod (15), the top rigid coupling of threaded rod (15) has handle (16), the bottom rigid coupling of threaded rod (15) has cardboard (17), the outer wall of cardboard (17) and the top clearance fit of iron cover (13).

2. A teaching aid projection apparatus as claimed in claim 1, wherein: the bottom left side rigid coupling of box (9) has support (19), the front of support (19) is rotated through round pin axle (20) and is connected with curved bar (21), the left end rigid coupling of curved bar (21) has card lid (22), the inner wall of card lid (22) and the left end bottom clearance fit of box (9).

3. A teaching aid projection apparatus as claimed in claim 1, wherein: the top of the cylinder (3) is fixedly connected with a rubber cap (23), and the outer wall of the round rod (5) penetrates through the rubber cap (23).

4. A teaching aid projection apparatus as claimed in claim 1, wherein: the outer wall of the handle (16) is fixedly connected with a first rubber ring (24).

5. A teaching aid projection apparatus as claimed in claim 1, wherein: the bottom of the clamping plate (17) is fixedly connected with a rubber pad (25), and the bottom of the rubber pad (25) is attached to the top of the iron sleeve (13).

6. A teaching aid projection apparatus as claimed in claim 2, wherein: the inner wall rigid coupling of card lid (22) has second rubber circle (26), the inner wall of second rubber circle (26) and the left end bottom interference fit of box (9).