CN212112095U

CN212112095U - Teaching device for marketing

Info

Publication number: CN212112095U
Application number: CN202021129206.1U
Authority: CN
Inventors: 杨炎坤
Original assignee: Zhengzhou Railway Vocational and Technical College
Current assignee: Zhengzhou Railway Vocational and Technical College
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-12-08
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a teaching device for marketing, which comprises a projector main body, a groove, a dustproof component and a connecting component, wherein the outer wall of one side of the projector main body is provided with the groove, and the inner wall of the bottom end of the groove is fixed with the dustproof component; the dustproof assembly comprises an accommodating groove, a moving groove, a first sliding groove, an air cylinder, a moving plate, a first sliding block, a rotating groove, a first rotating shaft, a first spring and a dustproof cover plate, the accommodating groove is formed in the inner wall of the bottom end of the groove, the moving groove is formed in the inner wall of one side of the accommodating groove, the dustproof device is adopted in the teaching device for marketing, when the dustproof device is not used, the dustproof device is shielded through the cover plate, dust is reduced to fall on the lens, therefore, when the teaching video is played, the video is not shielded by dust, students are prevented from seeing the teaching video, and the watching effect is improved; and the connecting device is also adopted, so that the projector can be quickly installed and detached, and the installation and detachment efficiency is improved.

Description

Teaching device for marketing

Technical Field

The utility model belongs to the technical field of the teaching equipment, concretely relates to teaching device is used in marketing.

Background

Marketing, also called marketology, marketing or marketing, the market is the category of commodity economy, and is an economic contact form in which commodities are exchanged into contents; for an enterprise, the market is the starting point and home for the marketing campaign; marketing is a function, and is an activity, process and system that organizations create, communicate, spread and transmit client values for the interests of themselves and interest-related persons, and bring economic values to customers, clients, partners and the whole society; when marketing is taught in a classroom, a projector is needed for projection, and then videos are put to students for watching, which also belongs to a teaching device for marketing;

the prior art has the following problems: 1. in the use process of the existing projector, dust is easy to fall on a lens frequently, so that a part of the lens can be shielded in the use process, the delivered video is not complete, and the effect of class can be influenced; 2. moreover, when the projector is mounted, bolt connection is generally used, which causes the mounting and dismounting process to become complicated, is disadvantageous to mounting and dismounting, and reduces the mounting and dismounting efficiency.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a teaching device for marketing has characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching device for marketing comprises a projector main body, a groove, a dustproof assembly and a connecting assembly, wherein the groove is formed in the outer wall of one side of the projector main body, and the dustproof assembly is fixed on the inner wall of the bottom end of the groove;

the dustproof assembly comprises a containing groove, a moving groove, a first sliding groove, an air cylinder, a moving plate, a first sliding block, a rotating groove, a first rotating shaft, a first spring and a dustproof cover plate, wherein the containing groove is formed in the inner wall of the bottom end of the groove, the moving groove is formed in the inner wall of one side of the containing groove, the moving plate is installed on the inner wall of one side of the moving groove, the first sliding block is fixedly welded on the outer walls of the two sides of the moving plate, the first sliding groove is formed in the inner wall of the two sides of the moving groove corresponding to the first sliding block, the air cylinder is connected to the inner wall of one side of the moving groove in an embedded mode, one end of a telescopic rod of the air cylinder is welded on the moving plate, the rotating groove is formed in the outer wall of one side of the moving plate, the dustproof cover plate is installed on the inner wall of one side of the rotating groove, the outer walls of the two sides, all welded fastening has first spring on the both sides inner wall of rotation groove, and the other end of first spring welds in the inside of dust cover, be fixed with coupling assembling on the top middle part outer wall of projecting apparatus main part.

As a preferred technical scheme of the utility model, the connecting assembly comprises a connecting cylinder, a second chute, a second spring, a squeezing plate, a connecting ring, a second rotating shaft, an annular plate, a third chute, a sliding rod, a rotating plate, a second sliding plate and a rotating ring, the connecting cylinder is welded and fixed on the outer wall of the middle part of the top end of the projector main body, the second spring is welded and fixed on the inner wall of the bottom end of the connecting cylinder, the squeezing plate is installed on the inner wall of one side of the connecting cylinder, the other end of the second spring is welded and fixed on the outer wall of the squeezing plate, the connecting ring is welded and fixed on the inner wall of the connecting cylinder above the squeezing plate, the annular plate is installed on the inner wall of the connecting cylinder above the connecting ring, the second sliding plate is symmetrically welded and fixed on the outer wall of one side of the annular plate, the second chute is arranged on the inner wall of one side of the connecting cylinder corresponding to the, cup joint on one side outer wall of connecting cylinder and be fixed with the rotation ring, and the other end of second slide welds on the inner wall of rotation ring, the distribution is installed on one side inner wall of connecting cylinder and is rotated the rotor plate, fixed mounting has the second pivot on one side outer wall of rotor plate, and the other end rotation of second pivot is connected with the connection ring, fixedly connected with slide bar on one side outer wall of rotor plate, correspond the slide bar on the top outer wall of annular plate and seted up the third spout.

As an optimized technical scheme of the utility model, the ventilation hole has been seted up to the distribution on the both sides outer wall of projecting apparatus main part.

As an optimal technical scheme of the utility model, inlay on one side inner wall of recess and install the camera lens.

As a preferred technical scheme of the utility model, first spring is a torsion spring, and cup joints on one side outer wall of first pivot one side of first spring.

As an optimized technical scheme of the utility model, the number of rotor plate is four.

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

1. the utility model adopts the dustproof device, when not in use, the dustproof device can shield through the cover plate, and reduce dust falling on the lens, so that when the teaching video is played, no dust can shield the video, the student can not see the teaching video, and the watching effect is improved;

2. the utility model discloses a connecting device, can install fast and dismantle the projecting apparatus, improve the efficiency of installation and dismantlement.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the top-down cutting structure of the present invention;

fig. 3 is a schematic perspective view of the connection assembly of the present invention;

in the figure: 1. a projector main body; 2. a groove; 3. a dust-proof assembly; 4. a connecting assembly; 5. a vent hole; 6. A lens; 31. a receiving groove; 32. a moving groove; 33. a first chute; 34. a cylinder; 35. moving the plate; 36. A first slider; 37. a rotating groove; 38. a first rotating shaft; 39. a first spring; 310. a dust-proof cover plate; 41. A connecting cylinder; 42. a second chute; 43. a second spring; 44. a pressing plate; 45. connecting the circular rings; 46. a second rotating shaft; 47. an annular plate; 48. a third chute; 49. a slide bar; 410. a rotating plate; 411. a second slide plate; 412. the ring is rotated.

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. 1-3, the present invention provides the following technical solutions: a teaching device for marketing comprises a projector main body 1, a groove 2, a dustproof assembly 3 and a connecting assembly 4, wherein the groove 2 is formed in the outer wall of one side of the projector main body 1, and the dustproof assembly 3 is fixed on the inner wall of the bottom end of the groove 2; the dustproof assembly 3 comprises a containing groove 31, a moving groove 32, a first sliding groove 33, an air cylinder 34, a moving plate 35, a first sliding block 36, a rotating groove 37, a first rotating shaft 38, a first spring 39 and a dustproof cover plate 310, the containing groove 31 is arranged on the inner wall of the bottom end of the groove 2, the moving groove 32 is arranged on the inner wall of one side of the containing groove 31, the moving plate 35 is arranged on the inner wall of one side of the moving groove 32, the first sliding block 36 is welded and fixed on the outer wall of two sides of the moving plate 35, the first sliding groove 33 is arranged on the inner wall of two sides of the moving groove 32 corresponding to the first sliding block 36, the air cylinder 34 is embedded and connected on the inner wall of one side of the moving groove 32, one end of a telescopic rod of the air cylinder 34 is welded on the moving plate 35, the rotating groove 37 is arranged on the outer wall of one side of the moving plate 35, the dustproof cover plate 310 is arranged on, the other end of the first rotating shaft 38 is rotatably connected to the inner wall of the rotating groove 37, the inner walls on the two sides of the rotating groove 37 are fixedly welded with first springs 39, the other end of each first spring 39 is welded inside the dustproof cover plate 310, and the connecting assembly 4 is fixed on the outer wall of the middle part of the top end of the projector main body 1;

preferably, the connecting assembly 4 includes a connecting cylinder 41, a second sliding groove 42, a second spring 43, a pressing plate 44, a connecting ring 45, a second rotating shaft 46, an annular plate 47, a third sliding groove 48, a sliding rod 49, a rotating plate 410, a second sliding plate 411 and a rotating ring 412, the connecting cylinder 41 is welded and fixed on the outer wall of the middle portion of the top end of the projector main body 1, the second spring 43 is welded and fixed on the inner wall of the bottom end of the connecting cylinder 41, the pressing plate 44 is installed on the inner wall of one side of the connecting cylinder 41, the other end of the second spring 43 is welded on the outer wall of the pressing plate 44, the connecting ring 45 is welded and fixed on the inner wall of the connecting cylinder 41 above the pressing plate 44, the annular plate 47 is installed on the inner wall of the connecting cylinder 41 above the connecting ring 45, the second sliding plate 411 is symmetrically welded and fixed on the outer wall of one side of the annular plate 47, the second sliding groove 42 is opened on the inner wall of one, a rotating ring 412 is fixedly sleeved on the outer wall of one side of the connecting cylinder 41, the other end of the second sliding plate 411 is welded on the inner wall of the rotating ring 412, rotating plates 410 are distributed and installed on the inner wall of one side of the connecting cylinder 41, a second rotating shaft 46 is fixedly installed on the outer wall of one side of the rotating plates 410, and the other end of the second rotating shaft 46 is rotatably connected with a connecting ring 45, a sliding rod 49 is fixedly connected to the outer wall of one side of the rotating plate 410, a third sliding groove 48 is formed in the outer wall of the top end of the annular plate 47 corresponding to the sliding rod 49, the annular plate 47 is driven to rotate by the rotation of the rotating ring 412, then, under the action of the second rotating shaft 46, the four rotating plates 410 are spliced, then the connecting rod is limited, the second spring 43 and the extrusion plate 44 are used for extrusion, so that the fixing effect is improved, the mounting and dismounting processes are simplified, and the mounting and dismounting efficiency is improved;

preferably, the outer walls of the two sides of the projector main body 1 are distributed with vent holes 5, so that the ventilation and heat dissipation effects of the projector main body 1 are improved;

preferably, the inner wall of one side of the groove 2 is embedded with the lens 6, so that a video can be conveniently put in, and the integrity of the device is ensured;

preferably, the first spring 39 is a torsion spring, and one side of the first spring 39 is sleeved on the outer wall of one side of the first rotating shaft 38, so that the dust-proof cover plate 310 can be conveniently twisted, the dust-proof cover plate 310 can be turned upwards, and the lens 6 can be covered;

preferably, the number of the rotating plates 410 is four, so that the connecting plates can be conveniently connected with external connecting rods, and the limiting effect is improved;

the utility model discloses well cylinder 34 is the wide application that has disclosed and the known technique of daily life, and the theory of operation is: also called as a hydraulic press, etc., which is a telescopic device;

the utility model discloses a theory of operation and use flow: the utility model discloses at first when installing projector main part 1, at first twist and move rotating ring 412, rotate along second spout 42 through second slide 411, then driven annular plate 47 and rotated, slide bar 49 on rotor plate 410 moves along third spout 48 like this, then rotate through second pivot 46, make four rotor plates 410 separate, then insert outside connecting rod inside connecting cylinder 41, and go to extrude second spring 43 and stripper plate 44, at this moment reversal rotating ring 412 makes rotor plate 410 splice, spacing to outside connecting rod, then carry out spacing fixed under the effect through second spring 43 and stripper plate 44, after projector main part 1 uses, start cylinder 34 and make first slider 36 on movable plate 35 move along first spout 33 inside shifting chute 32, then make dust cover plate 310 shift out the inside of accomodating groove 31, at this time, under the action of the first rotating shaft 38 and the first spring 39, the dust-proof cover plate 310 is turned upwards, and then the lens 6 is protected, so that the interference of dust is reduced.

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 marketing is with teaching device, includes projecting apparatus main part (1), recess (2), dustproof subassembly (3) and coupling assembling (4), its characterized in that: a groove (2) is formed in the outer wall of one side of the projector main body (1), and a dustproof assembly (3) is fixed on the inner wall of the bottom end of the groove (2);

the dustproof assembly (3) comprises an accommodating groove (31), a moving groove (32), a first sliding groove (33), an air cylinder (34), a moving plate (35), a first sliding block (36), a rotating groove (37), a first rotating shaft (38), a first spring (39) and a dustproof cover plate (310), the accommodating groove (31) is formed in the bottom inner wall of the groove (2), the moving groove (32) is formed in the inner wall of one side of the accommodating groove (31), the moving plate (35) is installed on the inner wall of one side of the moving groove (32), the first sliding blocks (36) are welded and fixed to the outer walls of the two sides of the moving plate (35), the first sliding grooves (33) are formed in the inner walls of the two sides of the moving groove (32) correspondingly to the first sliding blocks (36), the air cylinder (34) is connected to the inner wall of one side of the moving groove (32) in an embedded mode, and the moving plate at one end of a telescopic rod of, seted up on one side outer wall of movable plate (35) and rotated groove (37), it installs dustproof apron (310) to accomodate groove (31) and is located the inner wall that rotates groove (37) one side, it is connected with first pivot (38) to rotate on the both sides outer wall of dustproof apron (310), and the other end of first pivot (38) rotates and connects on the inner wall that rotates groove (37), it has first spring (39) all to weld on the both sides inner wall of rotation groove (37), and the other end of first spring (39) welds in the inside of dustproof apron (310), be fixed with coupling assembling (4) on the top middle part outer wall of projecting apparatus main part (1).

2. The teaching device for marketing of claim 1, wherein: the connecting assembly (4) comprises a connecting cylinder (41), a second sliding groove (42), a second spring (43), an extrusion plate (44), a connecting ring (45), a second rotating shaft (46), an annular plate (47), a third sliding groove (48), a sliding rod (49), a rotating plate (410), a second sliding plate (411) and a rotating ring (412), the outer wall of the middle of the top end of the projector main body (1) is fixedly welded with the connecting cylinder (41), the inner wall of the bottom end of the connecting cylinder (41) is fixedly welded with the second spring (43), the extrusion plate (44) is installed on the inner wall of one side of the connecting cylinder (41), the other end of the second spring (43) is welded on the outer wall of the extrusion plate (44), the connecting ring (45) is fixedly welded on the inner wall of the connecting cylinder (41) above the extrusion plate (44), the annular plate (47) is installed on the inner wall of the connecting cylinder (41) above the connecting ring (45), symmetrical welded fastening has second slide (411) on the outer wall of one side of annular plate (47), second spout (42) have been seted up to corresponding second slide (411) on the inner wall of one side of connecting cylinder (41), cup joint on the outer wall of one side of connecting cylinder (41) and be fixed with rotation ring (412), and the other end of second slide (411) welds on the inner wall of rotation ring (412), distribution installs rotor plate (410) on the inner wall of one side of connecting cylinder (41), fixed mounting has second pivot (46) on the outer wall of one side of rotor plate (410), and the other end rotation of second pivot (46) is connected with and connects ring (45), fixedly connected with slide bar (49) on the outer wall of one side of rotor plate (410), third spout (48) have been seted up to corresponding slide bar (49) on the top outer wall of annular plate (47).

3. The teaching device for marketing of claim 1, wherein: the projector is characterized in that ventilation holes (5) are distributed on the outer walls of the two sides of the projector main body (1).

4. The teaching device for marketing of claim 1, wherein: and a lens (6) is embedded and mounted on the inner wall of one side of the groove (2).

5. The teaching device for marketing of claim 1, wherein: the first spring (39) is a torsion spring, and one side of the first spring (39) is sleeved on the outer wall of one side of the first rotating shaft (38).

6. The teaching device for marketing of claim 2, wherein: the number of the rotating plates (410) is four.