CN215721761U

CN215721761U - Economic type financial knowledge learning education projection equipment

Info

Publication number: CN215721761U
Application number: CN202120526810.6U
Authority: CN
Inventors: 戴睿
Original assignee: Shenyang University
Current assignee: Shenyang University
Priority date: 2021-03-14
Filing date: 2021-03-14
Publication date: 2022-02-01
Anticipated expiration: 2031-03-14

Abstract

The utility model discloses an economic type golden knowledge learning and education projection device which comprises a fixing plate and a projector, wherein a plurality of screw rods are rotatably arranged on the fixing plate, a backing plate is fixedly arranged on the fixing plate, a threaded rod is fixedly arranged on the backing plate, a sleeve is slidably arranged on the threaded rod, a sliding mechanism is arranged between the threaded rod and the sleeve, a nut is rotatably arranged on the sleeve, and the nut is rotatably connected with the threaded rod through threads. Has the advantages that: can make the sleeve slide from top to bottom on the threaded rod to this realizes the purpose that the box reciprocated, makes to the maintenance of placing the projecting apparatus on the box and lay more convenient, still reduces simultaneously and gets the safety risk that operating personnel installation or maintenance exist, greatly reduced the probability that the projecting apparatus drops, still can fix two slides simultaneously, place under the effect of spring beam, the condition emergence that rocks appears in the projecting apparatus.

Description

Economic type financial knowledge learning education projection equipment

Technical Field

The utility model relates to the technical field of projection equipment, in particular to projection equipment for learning and education of economic financial knowledge.

Background

Economic finance is one of necessary courses for financial major, and since knowledge learning of economic finance requires simultaneous analysis of a plurality of economic finance cases, a teaching teacher needs to use projection equipment special for education to compare two or more entity cases when explaining economic finance knowledge.

The existing educational projection equipment has the following disadvantages in the specific use process: 1. the support is fixedly arranged on the classroom top plate, and then the projector is placed on the support, so that the damage to the support caused by human can be effectively avoided, but the arrangement makes the maintenance troublesome, and certain safety risks exist in the installation and the disassembly; 2. there is a risk of falling off between the projector and the support.

Therefore, the defects of the prior art can be solved by adopting a novel economic type financial knowledge learning and education projection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides an economic type financial knowledge learning education projection device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an economic type metal melting knowledge learning education projection device comprises a fixing plate and a projector, wherein a plurality of screw rods are rotatably installed on the fixing plate, a backing plate is fixedly installed on the fixing plate, a threaded rod is fixedly installed on the backing plate, a sleeve is slidably installed on the threaded rod, a sliding mechanism is installed between the threaded rod and the sleeve, a nut is rotatably installed on the sleeve, the nut and the threaded rod are in threaded rotating connection, a rotating mechanism and a rotating mechanism are installed between the nut and the sleeve, a side plate is fixedly installed on the sleeve, a box body is fixedly installed on the side plate, two sliding plates are slidably installed on the box body through a groove body, the projector is clamped between the two sliding plates, two baffle plates are fixedly installed on the box body, a linkage structure is installed between the two sliding plates, and a spring rod is fixedly installed between the two sliding plates and the corresponding baffle plates, one of the sliding plates is fixedly provided with a supporting column, the supporting column is connected with the corresponding baffle in a penetrating and sliding manner, and a clamping mechanism is arranged between the supporting column and the corresponding baffle.

In foretell economy class gold melt knowledge learning education projection equipment, slide mechanism includes slider and spout, fixed mounting has the slider on the threaded rod, seted up the spout with slider matched with on the sleeve.

In foretell an economy class gold melt knowledge learning education projection equipment, slewing mechanism includes bull stick and annular, fixed mounting has a plurality of bull sticks on the nut, seted up on the sleeve with a plurality of bull stick homogeneous phase complex annular.

In foretell an economy class melting knowledge learning education projection equipment, the mechanism of taking to change includes motor, gear one and gear two, it has the motor to fix on the sleeve, fixed mounting has gear one on the motor drive end, fixed mounting has gear two with gear one looks meshing on the nut.

In the above projection equipment for learning and education of economic financial knowledge, the linkage mechanism comprises a first rack, a second rack and a third gear, wherein one of the first rack and the second rack is fixedly mounted on the sliding plate, the other one of the first rack and the second rack is fixedly mounted on the sliding plate, and the third gear meshed with the first rack and the second rack is rotatably mounted on the box body.

In foretell an economy class gold melts knowledge learning education projection equipment, block mechanism is close to support and go up fixed mounting and have a mounting plate and a pillar on the post side shield including mounting plate, pillar, kelly, spring, draw-in groove, cotton rope and pull ring, have the kelly through circular slot slidable mounting on the pillar, fixed mounting has the spring between kelly and the pillar, fixedly connected with cotton rope on the kelly, fixedly connected with pull ring on the cotton rope, the cotton rope runs through mounting plate, the pull ring offsets with mounting plate, support and seted up a plurality of draw-in grooves with kelly matched with on the post.

Compared with the prior art, the utility model has the advantages that:

1. through the cooperation use of motor, gear one, gear two and nut, can be so that the threaded rod slides from top to bottom on the sleeve, because fixed plate and classroom roof fixed connection, so can make the sleeve slide from top to bottom on the threaded rod to this realizes the purpose that the box reciprocated, makes the maintenance to the projecting apparatus of placing on the box and lays more conveniently, still reduces the safety risk that has got operating personnel installation or maintenance to exist simultaneously.

2. Through the cooperation use of slide, spring beam, can carry out the centre gripping to the projecting apparatus of placing on the box for laying of projecting apparatus is more firm, greatly reduced the probability that the projecting apparatus drops.

3. Through the cooperation use of supporting post, rack one, rack two and gear three, can make two slides carry out the centre gripping to the projecting apparatus simultaneously for the projecting apparatus is located the central point of box all the time and puts, and the use of cooperation kelly and draw-in groove can be fixed supporting the post simultaneously, can fix two slides like this, places under the effect of spring beam, and the condition that rocks appears in the projecting apparatus takes place.

In conclusion, the utility model can enable the sleeve to slide up and down on the threaded rod, thereby realizing the purpose of moving the box body up and down, enabling the maintenance and the placement of the projector placed on the box body to be more convenient, simultaneously reducing the safety risk existing in the installation or the maintenance of operators, greatly reducing the falling probability of the projector, and simultaneously fixing the two sliding plates, and the projector can shake under the action of the spring rod.

Drawings

FIG. 1 is a schematic structural diagram of an economic type financial knowledge learning education projection device according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

In the figure: the device comprises a fixing plate 1, a backing plate 2, a screw rod 3, a threaded rod 4, a sleeve 5, a nut 6, a motor 7, a side plate 8, a box 9, a baffle 10, a sliding plate 11, a spring rod 12, a support column 13, a placement plate 14, a support column 15, a clamping rod 16, a spring 17, a clamping groove 18, a rack I19, a rack II 20 and a gear III 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

Referring to fig. 1-3, an economic financial knowledge learning and education projection device comprises a fixing plate 1 and a projector, a plurality of screw rods 3 are rotatably mounted on the fixing plate 1, a backing plate 2 is fixedly mounted on the fixing plate 1, a threaded rod 4 is fixedly mounted on the backing plate 2, a sleeve 5 is slidably mounted on the threaded rod 4, a sliding mechanism is mounted between the threaded rod 4 and the sleeve 5, a nut 6 is rotatably mounted on the sleeve 5, the nut 6 is rotatably connected with the threaded rod 4 through threads, a rotating mechanism and a rotating mechanism are mounted between the nut 6 and the sleeve 5, a side plate 8 is fixedly mounted on the sleeve 5, a box body 9 is fixedly mounted on the side plate 8, two sliding plates 11 are slidably mounted on the box body 9 through a groove body, the projector is clamped between the two sliding plates 11, two baffle plates 10 are fixedly mounted on the box body 9, and a linkage structure is mounted between the two sliding plates 11, a spring rod 12 is fixedly arranged between each of the two sliding plates 11 and the corresponding baffle 10, one of the sliding plates 11 is fixedly provided with a support column 13, the support column 13 is in through sliding connection with the corresponding baffle 10, and a clamping mechanism is arranged between the support column 13 and the corresponding baffle 10;

the following points are notable:

1. slide mechanism includes slider and spout, and fixed mounting has the slider on the threaded rod 4, has seted up on the sleeve 5 with slider matched with spout, and the effect that sets up like this is in order to reduce the frictional force between threaded rod 4 and the sleeve 5, still avoids taking place the pivoted condition to take place between threaded rod 4 and the sleeve 5 simultaneously.

2. Slewing mechanism includes bull stick and annular, and fixed mounting has a plurality of bull sticks on the nut 6, offer on the sleeve 5 with a plurality of bull stick homogeneous phase complex annular, the effect that sets up like this is in order to reduce the frictional force between nut 6 and the sleeve 5, the effectual life who prolongs nut 6.

3. The belt rotating mechanism comprises a motor 7, a first gear and a second gear, the motor 7 is fixed on the sleeve 5, the first gear is fixedly mounted on a driving end of the motor 7, the second gear meshed with the first gear is fixedly mounted on the nut 6, the nut 6 is rotated in the effect of the belt rotating mechanism, and the safety risk of the nut 6 caused by manual climbing is avoided.

4. The linkage mechanism comprises a first rack 19, a second rack 20 and a third gear 21, wherein the first rack 19 is fixedly mounted on one sliding plate 11, the second rack 20 is fixedly mounted on the other sliding plate 11, and the third gear 21 meshed with the first rack 19 and the second rack 20 is rotatably mounted on the box body 9.

5. The clamping mechanism comprises a placing plate 14, a support column 15, a clamping rod 16, a spring 17, a clamping groove 18, a line rope and a pull ring, the placing plate 14 and the support column 15 are fixedly mounted on a side baffle 10 close to the abutting column 13, the clamping rod 16 is mounted on the support column 15 through a circular groove in a sliding mode, the spring 17 is fixedly mounted between the clamping rod 16 and the support column 15, the line rope is fixedly connected onto the clamping rod 16 and penetrates through the placing plate 14, the pull ring abuts against the placing plate 14, a plurality of clamping grooves 18 matched with the clamping rod 16 are formed in the abutting column 13, the effect is achieved by fixing the abutting column 13, two sliding plates 11 can be fixed, and the situation that the projector shakes under the effect of the spring rod 12 is avoided.

6. The motor 7 can adopt a Y20-M60 motor.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an economy class gold melts knowledge learning education projection equipment, includes fixed plate (1) and projecting apparatus, its characterized in that, rotate on fixed plate (1) and install a plurality of screw rods (3), fixed mounting has backing plate (2) on fixed plate (1), fixed mounting has threaded rod (4) on backing plate (2), slidable mounting has sleeve (5) on threaded rod (4), install slide mechanism between threaded rod (4) and sleeve (5), rotatable mounting has nut (6) on sleeve (5), be connected for the screw thread rotation between nut (6) and threaded rod (4), install slewing mechanism and take slewing mechanism between nut (6) and sleeve (5), fixed mounting has curb plate (8) on sleeve (5), fixed mounting has box (9) on curb plate (8), there are two slides (11) through cell body slidable mounting on box (9), the projector is clamped between two sliding plates (11), two baffle plates (10) are fixedly mounted on a box body (9), a linkage structure is mounted between the sliding plates (11), two spring rods (12) are fixedly mounted between the sliding plates (11) and the corresponding baffle plates (10), one of the spring rods is fixedly mounted on the sliding plates (11), the other sliding plates are connected with the corresponding baffle plates (10) in a penetrating and sliding mode, and a clamping mechanism is mounted between the other sliding plates (13) and the corresponding baffle plates (10).

2. The economic type melting knowledge learning education projection equipment of claim 1, wherein the sliding mechanism comprises a sliding block and a sliding groove, the sliding block is fixedly installed on the threaded rod (4), and the sliding groove matched with the sliding block is formed in the sleeve (5).

3. The economic type melting knowledge learning education projection equipment of claim 1, wherein the rotating mechanism comprises a rotating rod and a ring groove, the nut (6) is fixedly provided with a plurality of rotating rods, and the sleeve (5) is provided with the ring groove matched with the plurality of rotating rods.

4. The economic type melting knowledge learning and education projection equipment as claimed in claim 1, wherein the rotating mechanism comprises a motor (7), a first gear and a second gear, the motor (7) is fixed on the sleeve (5), the first gear is fixedly installed on the driving end of the motor (7), and the second gear meshed with the first gear is fixedly installed on the nut (6).

5. The economic type financial knowledge learning education projection equipment according to claim 1, wherein the linkage mechanism comprises a first rack (19), a second rack (20) and a third gear (21), wherein the first rack (19) is fixedly installed on one sliding plate (11), the second rack (20) is fixedly installed on the other sliding plate (11), and the third gear (21) meshed with the first rack (19) and the second rack (20) is rotatably installed on the box body (9).

6. An economic financial knowledge learning education projection apparatus according to claim 1, the clamping mechanism comprises a placing plate (14), a support column (15), a clamping rod (16), a spring (17), a clamping groove (18), a thread rope and a pull ring, the baffle (10) at one side close to the support column (13) is fixedly provided with the placing plate (14) and the support column (15), a clamping rod (16) is slidably arranged on the support post (15) through a circular groove, a spring (17) is fixedly arranged between the clamping rod (16) and the support post (15), a thread rope is fixedly connected to the clamping rod (16), a pull ring is fixedly connected to the thread rope, the thread rope penetrates through the placing plate (14), the pull ring is abutted against the placing plate (14), the support column (13) is provided with a plurality of clamping grooves (18) matched with the clamping rods (16).