CN210574352U

CN210574352U - Novel multimedia industrial and commercial management teaching equipment

Info

Publication number: CN210574352U
Application number: CN201920883131.7U
Authority: CN
Inventors: 樊驰
Original assignee: Qilu Institute of Technology
Current assignee: Qilu Institute of Technology
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-05-19
Anticipated expiration: 2029-06-13

Abstract

The utility model provides a novel multi-media industry and commerce management teaching equipment, accomodate the cabinet including the teaching, remove the wheel, the protection cabinet door, heat dissipation mesh, mechanical lock, folding backup pad structure can place the plate structure to the bunch plate structure of data line joint protection, moisture absorption expelling parasite teaching aid, separate the diaphragm, the drawer box, the keyboard pad, U type backplate accomodates the spout, multi-media teaching projecting apparatus, computer and limit stop, removal wheel difference bolted connection accomodate the lower surface four corners position of cabinet in the teaching. The utility model discloses accomodate the spout, first otic placode, the setting of slip ball, support jib and second otic placode is favorable to placing the board to the projecting apparatus and supporting or accomodate, saves and places the space; the arrangement of the data line restraint plate, the data line clamping groove and the wire harness buckle is beneficial to restraining and fixing the connecting wire of the computer and the projector and preventing the cables from being staggered.

Description

Novel multimedia industrial and commercial management teaching equipment

Technical Field

The utility model belongs to the technical field of the teaching aid, especially, relate to a novel multimedia industry and commerce management teaching equipment.

Background

The Industry and commerce management (English: Industry & Business administration) is a subject for researching the basic theory and general method of economic management of Industry and commerce enterprises, and mainly comprises two aspects of business strategy formulation and internal behavior management of the enterprises. The industrial and commercial management profession has strong applicability, and the aim of the method is to carry out effective enterprise management and operation decision by using modern management methods and means according to the basic theories of management and economics so as to ensure the survival and development of enterprises. Business administration the former name was enterprise administration. The knowledge range of the specialty is wide, students cover many courses of economics and management, and the main courses comprise economics, management, enterprise management, financial management, human resource management, accounting, statistics, computers and the like, so that the teaching is comprehensive cross science spanning natural science, engineering science, technical science and human social science. This specialty mainly cultivates the management talents who can independently engage in each department's management work.

The multimedia industrial and commercial management teaching equipment comprises a base, wherein an upright post is arranged on the upper surface of the base, two transverse rods are arranged on the lateral sides of the upright post, sleeves are sleeved on the two transverse rods and connected through a vertical rod, a groove is formed in the edge of the vertical rod, a first magnet strip is arranged in the groove, a roller shaft is arranged between the two transverse rods, one end of the projection curtain is connected with the roller shaft, a second magnet strip matched with the first magnet strip is arranged at the other end of the projection curtain, a telescopic support arm is hinged to the top end of the upright post through a first rotating shaft, a hanging frame is arranged at the end of the support arm, and a projector is arranged on the hanging frame. But present multimedia industry and commerce management teaching equipment still has occupation space great, and the chaos is connected to the data cable and the teaching aid is accomodate and is placed inconvenient problem.

Therefore, the invention of a novel multimedia business management teaching device is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel multi-media industrial and commercial management teaching equipment to it is great to solve current multi-media industrial and commercial management teaching equipment occupation space, and the chaos and teaching aid of data cable connection are accomodate and are placed inconvenient problem. A novel multimedia industrial and commercial management teaching device comprises a teaching storage cabinet, moving wheels, a protective cabinet door, heat dissipation mesh holes, a mechanical lock, a foldable supporting plate structure, a wire harness plate structure capable of protecting a data line joint, a moisture absorption and insect repelling teaching aid placing plate structure, a separating transverse plate, a drawer box, a keyboard pad, a U-shaped protective plate, a storage chute, a multimedia teaching projector, a computer host and a limit stop block, wherein the moving wheels are respectively bolted at four corners of the lower surface of the teaching storage cabinet; the protection cabinet door is hinged to the lower right part of the teaching storage cabinet; the heat dissipation mesh is arranged in the middle of the lower part of the front surface of the protection cabinet door; the mechanical lock is embedded in the middle position of the right side of the front surface of the protection cabinet door; the foldable supporting plate is arranged at the upper position of the left side of the teaching storage cabinet in a structural mode; the wire harness plate structure capable of protecting the data wire joint is arranged at the upper part of the inner rear surface of the teaching storage cabinet; the moisture absorption and insect repelling teaching aid placing plate structure is fixed on the lower left side inside the teaching storage cabinet; the transverse screw of the partition transverse plate is connected to the upper side position inside the teaching storage cabinet; the drawer box is movably inserted in a gap between the transverse separating plate and the teaching storage cabinet; the keyboard pad is glued in the middle of the upper surface of the teaching storage cabinet; the U-shaped guard plate is connected to the rear part of the upper surface of the teaching storage cabinet through a screw; the containing chute is arranged at the lower position of the left side of the teaching containing cabinet; the multimedia teaching projector is arranged on the upper surface of the foldable supporting plate structure; the computer host is placed at the right side of the lower surface inside the teaching storage cabinet; the limit stop block is glued at the right side of the lower surface of the teaching storage cabinet; the foldable support plate structure comprises a projector placing plate, a drawing grab handle, a first ear plate, a sliding ball, a support hanging rod and a second ear plate, wherein the drawing grab handle is connected to the left side of the lower surface of the projector placing plate through a screw; the first ear plate is connected to the right side of the upper surface of the projector placing plate through a screw; one end of the supporting suspender is connected to the upper part of the rear surface of the first lug plate in a shaft mode, and the other end of the supporting suspender is connected to the left side of the rear surface of the second lug plate in a shaft mode; the sliding ball is movably embedded at the right side of the projector placing plate.

Preferably, the wire harness plate structure capable of protecting the data wire connector comprises fixing strips, a data wire restraining plate, a data wire clamping groove, a label sticker, a wire harness buckle and a connector protecting cover, wherein the fixing strips are respectively connected to the left side and the right side of the rear surface of the data wire restraining plate through screws; the data line clamping groove is formed in the middle of the front surface of the data line limiting plate; the label is adhered to the right side of the front surface of the data line constraint plate; the wiring harness buckle is riveted on the front surface of the data line restraint plate; and the joint protection cover screw is connected to the left side of the lower surface of the data line restraint plate.

Preferably, the moisture absorption and insect repelling teaching aid placing plate structure comprises an L-shaped baffle, an upper placing plate, an anti-falling belt, a lower placing plate, a storage box and a mesh box cover, wherein the upper placing plate is connected to the upper position of the right side of the vertical section of the L-shaped baffle through a bolt; one end of the anti-falling belt is respectively glued to the front surface of the upper placing plate, and the other end of the anti-falling belt is glued to the front surface of the lower placing plate; the lower placing plate is connected to the lower position of the right side of the vertical section of the L-shaped baffle plate through a bolt; the storage box is glued on the upper surface of the horizontal section of the L-shaped baffle; the mesh box cover is buckled at the upper end of the storage box.

Preferably, the projector placing plate is made of an aluminum alloy plate; the sliding ball is clamped in the containing sliding groove in a sliding manner.

Preferably, the multimedia teaching projector is placed on the upper surface of the projector placing plate; and the second ear plate is connected with the teaching storage cabinet through screws.

Preferably, the fixing strip is a rectangular stainless steel strip; the fixing strip is connected with the teaching storage cabinet through bolts.

Preferably, the data line constraint plate is an L-shaped PVC plastic plate; the data line card slot is provided with an L-shaped groove.

Preferably, the moving wheel is a rubber universal wheel with a brake pad; the teaching storage cabinet is a stainless steel cabinet.

Preferably, the limit stop is a rectangular rubber block; a plurality of limit stops are arranged; the limit stop block is arranged on the left side of the computer host.

Preferably, the storage box is a PVC plastic box with an opening at the upper part; the lower placing plate is a stainless steel plate with a circular through hole; the anti-falling belt is a nylon cloth belt with the width of five to ten millimeters.

Preferably, the multimedia teaching projector is connected with a computer host through a USB data line; the multimedia teaching projector is a projector with the model M2; the computer host specifically adopts a computer with the model number of SGY-02; the mechanical lock is a mechanical lock with the model number MS 818.

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

1. the utility model discloses in, accomodate the spout, first otic placode, the setting of slip ball, support jib and second otic placode is favorable to placing the board to the projecting apparatus and supports or accomodate, sparingly places the space.

2. The utility model discloses in, the about board of data line, the setting of data line draw-in groove and bunch buckle is favorable to retraining fixedly the connecting wire of computer and projecting apparatus, prevents the crisscross of cable.

3. The utility model discloses in, the setting of joint safety cover, it is fixed to be favorable to carrying out the joint to the connector of data line, plays dirt-proof effect.

4. The utility model discloses in, label paste and bunch buckle's setting, be favorable to carrying out the sign to the data line, the seeking when conveniently overhauing and maintaining.

5. The utility model discloses in, multimedia teaching projecting apparatus and computer's setting, be favorable to playing the multimedia courseware, satisfy going on of business administration teaching.

6. The utility model discloses in, L type baffle, upper portion place the board, prevent weighing down the setting that the board was placed to area and lower part, be favorable to placing the teaching aid, increase the convenience of using, get when conveniently using and take.

7. The utility model discloses in, the setting of receiver and mesh lid, be favorable to placing the drier or expelling parasite pellet in the lining, play the effect of moisture absorption or expelling parasite, protect multimedia teaching equipment's safety.

8. The utility model discloses in, removal wheel, protection cabinet door, the setting of heat dissipation mesh and mechanical lock is favorable to playing the effect of ventilation cooling protection to the convenience is to the removal and the fixing of this teaching equipment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the foldable supporting plate structure of the present invention.

Fig. 3 is a schematic structural diagram of the wire harness structure capable of protecting the data line connector according to the present invention.

Fig. 4 is the structure schematic diagram of the structure is placed to moisture absorption expelling parasite teaching aid of the utility model.

In the figure:

1. a teaching storage cabinet; 2. a moving wheel; 3. a protective cabinet door; 4. radiating meshes; 5. a mechanical lock; 6. a collapsible supporting plate structure; 61. a projector placement board; 62. drawing the grab handle; 63. a first ear plate; 64. a sliding ball; 65. a support boom; 66. a second ear panel; 7. the wire harness plate structure can protect the data wire joint; 71. a fixing strip; 72. a data line restraint board; 73. a data line card slot; 74. labeling; 75. wire harness buckling; 76. a joint boot; 8. a moisture absorption and insect expelling teaching aid placing plate structure; 81. an L-shaped baffle plate; 82. an upper placement plate; 83. an anti-falling belt; 84. a lower placing plate; 85. a storage box; 86. a mesh box cover; 9. a separating transverse plate; 10. a drawer box; 11. a keyboard pad; 12. a U-shaped guard plate; 13. a storage chute; 14. a multimedia teaching projector; 15. a computer host; 16. and a limit stop.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 to 2, the utility model provides a novel multimedia industrial and commercial management teaching device, which comprises a teaching storage cabinet 1, a moving wheel 2, a protective cabinet door 3, a heat dissipation mesh 4, a mechanical lock 5, a foldable support plate structure 6, a wire harness plate structure 7 capable of protecting a data line joint, a moisture absorption and insect repelling teaching aid placing plate structure 8, a separating transverse plate 9, a drawer box 10, a keyboard pad 11, a U-shaped protective plate 12, a storage chute 13, a multimedia teaching projector 14, a computer 15 and a limit stop 16, wherein the moving wheel 2 is respectively bolted at four corners of the lower surface of the teaching storage cabinet 1; the protection cabinet door 3 is hinged to the lower right part of the teaching storage cabinet 1; the heat dissipation mesh holes 4 are formed in the middle of the lower part of the front surface of the protection cabinet door 3; the mechanical lock 5 is embedded in the middle position of the right side of the front surface of the protection cabinet door 3; the foldable supporting plate structure 6 is arranged at the upper position of the left side of the teaching storage cabinet 1; the wire harness plate structure 7 capable of protecting the data wire joint is arranged at the upper part of the rear surface in the teaching storage cabinet 1; the moisture absorption and insect repelling teaching aid placing plate structure 8 is fixed on the lower left side inside the teaching storage cabinet 1; the transverse screw of the transverse partition plate 9 is connected with the upper side position in the teaching storage cabinet 1; the drawer box 10 is movably inserted in a gap between the transverse partition plate 9 and the teaching storage cabinet 1; the keyboard pad 11 is glued to the middle position of the upper surface of the teaching storage cabinet 1; the U-shaped guard plate 12 is in screw connection with the rear part of the upper surface of the teaching storage cabinet 1; the containing chute 13 is arranged at the lower position of the left side of the teaching containing cabinet 1; the multimedia teaching projector 14 is arranged on the upper surface of the foldable supporting plate structure 6; the computer host 15 is placed at the right side of the lower surface inside the teaching storage cabinet 1; the limit stop 16 is glued at the right side of the lower surface of the teaching storage cabinet 1; the foldable supporting plate structure 6 comprises a projector placing plate 61, a drawing hand grab handle 62, a first ear plate 63, a sliding ball 64, a supporting suspension rod 65 and a second ear plate 66, wherein the drawing hand grab handle 62 is connected to the left side position of the lower surface of the projector placing plate 61 through a screw; the first ear plate 63 is screwed on the right side of the upper surface of the projector placing plate 61; one end of the support suspender 65 is coupled to the upper part of the rear surface of the first ear plate 63, and the other end is coupled to the left side of the rear surface of the second ear plate 66; the sliding ball 64 is movably embedded at the right side of the projector placing plate 61; promote teaching and accomodate cabinet 1 under the effect of removal wheel 2, remove this teaching equipment to the position of using to fix the brake block on removing wheel 2, switch on external power source holds pull hand grab handle 62 and places board 61 to the outside pulling projecting apparatus, makes slip ball 64 slide in accomodating spout 13, and support jib 65 rotates around first otic placode 63 and second otic placode 66 simultaneously, places board 61 with the projecting apparatus and places the level.

As shown in fig. 3, in the above embodiment, specifically, the wire harness structure 7 capable of protecting the data wire connector includes a fixing strip 71, a data wire restraining plate 72, a data wire slot 73, a label sticker 74, a wire harness buckle 75 and a connector protective cover 76, where the fixing strip 71 is respectively screwed to the left and right sides of the rear surface of the data wire restraining plate 72; the data line clamping groove 73 is formed in the middle of the front surface of the data line limiting plate 72; the label paste 74 is adhered to the right side of the front surface of the data line restriction plate 72; the wire harness buckle 75 is riveted on the front surface of the data wire restraint plate 72; the joint protective cover 76 is screwed on the left side of the lower surface of the data line restraint plate 72; and the data wire penetrates through the inner side of the wire harness buckle 75 and is clamped in the data wire clamping groove 73, the multimedia teaching projector 14 is connected with the computer host 15, the multimedia teaching projector 14 and the computer host 15 are respectively started, and the protection cabinet door 3 is closed for multimedia teaching.

In the above embodiment, as shown in fig. 4, specifically, the moisture absorption and insect repelling teaching aid placing plate structure 8 includes an L-shaped baffle 81, an upper placing plate 82, a fall preventing belt 83, a lower placing plate 84, a storage box 85 and a mesh box cover 86, wherein the upper placing plate 82 is bolted to the upper right side of the vertical section of the L-shaped baffle 81; one end of the anti-falling belt 83 is respectively glued to the front surface of the upper placing plate 82, and the other end is glued to the front surface of the lower placing plate 84; the lower placing plate 84 is bolted at the lower right position of the vertical section of the L-shaped baffle plate 81; the storage box 85 is glued on the upper surface of the horizontal section of the L-shaped baffle 81; the mesh box cover 86 is buckled at the upper end of the storage box 85; take out multimedia teaching projecting apparatus 14 from the lower part and place the upper surface that board 61 was placed at the projecting apparatus in placing board 84 to place board 82 from upper portion and choose suitable teaching aid for use and reserve, place drier or expelling parasite pellet in receiver 85 the inside, play the effect of moisture absorption or expelling parasite, protect multimedia teaching equipment's safety.

In the above embodiment, specifically, the projector placing plate 61 is specifically made of an aluminum alloy plate; the sliding ball 64 is slidably engaged in the receiving chute 13.

In the above embodiment, specifically, the multimedia teaching projector 14 is placed on the upper surface of the projector placing board 61; the second ear plate 66 is connected with the teaching storage cabinet 1 through screws.

In the above embodiment, specifically, the fixing strip 71 specifically adopts a rectangular stainless steel strip; the fixing strip 71 is connected with the teaching storage cabinet 1 through bolts.

In the above embodiment, specifically, the data line constraining plate 72 specifically adopts an L-shaped PVC plastic plate; the data line slot 73 is provided with an L-shaped groove.

In the above embodiment, specifically, the moving wheel 2 specifically adopts a rubber universal wheel with a brake pad; the teaching storage cabinet 1 specifically adopts a stainless steel cabinet.

In the above embodiment, specifically, the limit stop 16 specifically adopts a rectangular rubber block; a plurality of limit stoppers 16 are arranged; the limit stop 16 is arranged on the left side of the computer host 15.

In the above embodiment, the storage box 85 is specifically a PVC plastic box with an opening at the upper part; the lower placing plate 84 is a stainless steel plate with a circular through hole; the anti-falling belt 83 is a nylon cloth belt with the width of five to ten millimeters.

In the above embodiment, specifically, the multimedia teaching projector 14 is connected to the computer host 15 by a USB data cable; the multimedia teaching projector 14 is a projector with model number M2; the computer host 15 is a computer with the model number of SGY-02; the mechanical lock 5 is a mechanical lock with model number MS 818.

Principle of operation

When the utility model is used, the teaching storage cabinet 1 is pushed to move the teaching equipment to the using position under the action of the movable wheel 2, the brake pad on the movable wheel 2 is fixed, the external power supply is switched on, the drawing handle 62 is held by hand to pull the projector placing plate 61 outwards, so that the sliding ball 64 slides in the storage chute 13, the support suspender 65 rotates around the first ear plate 63 and the second ear plate 66, and the projector placing plate 61 is placed horizontally; take out multimedia teaching projecting apparatus 14 from the lower part and place the upper surface that board 61 was placed at the projecting apparatus in placing board 84, and place board 82 from upper portion and choose suitable teaching aid for use and carry out reserve, place drier or expelling parasite pellet in receiver 85 the inside, play the effect of moisture absorption or expelling parasite, the safety of protection multimedia teaching equipment, run through the inboard and the joint of restrainting line card knot 75 with the data line in data line draw-in groove 73, be connected multimedia teaching projecting apparatus 14 and computer mainframe 15, and start multimedia teaching projecting apparatus 14 and computer mainframe 15 respectively, it can to close protection cabinet door 3 and carry out multimedia teaching.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The novel multimedia industrial and commercial management teaching equipment is characterized by comprising a teaching storage cabinet (1), moving wheels (2), a protective cabinet door (3), heat dissipation mesh holes (4), a mechanical lock (5), a foldable supporting plate structure (6), a wire harness plate structure (7) capable of protecting a data line connector, a moisture absorption and insect repelling teaching aid placing plate structure (8), a separating transverse plate (9), a drawer box (10), a keyboard pad (11), a U-shaped protective plate (12), a storage chute (13), a multimedia teaching projector (14), a computer host (15) and a limit stop block (16), wherein the moving wheels (2) are respectively bolted at four corners of the lower surface of the teaching storage cabinet (1); the protection cabinet door (3) is hinged to the lower position of the right side of the teaching storage cabinet (1); the heat dissipation mesh holes (4) are formed in the middle of the lower part of the front surface of the protection cabinet door (3); the mechanical lock (5) is embedded in the middle position of the right side of the front surface of the protection cabinet door (3); the foldable supporting plate structure (6) is arranged at the upper position of the left side of the teaching storage cabinet (1); the wire harness plate structure (7) capable of protecting the data wire joint is arranged at the upper part of the rear surface in the teaching storage cabinet (1); the moisture absorption and insect repelling teaching aid placing plate structure (8) is fixed on the lower left side inside the teaching storage cabinet (1); the transverse screw of the transverse partition plate (9) is connected with the upper side position in the teaching storage cabinet (1); the drawer box (10) is movably inserted into a gap between the separating transverse plate (9) and the teaching storage cabinet (1); the keyboard pad (11) is glued to the middle position of the upper surface of the teaching storage cabinet (1); the U-shaped guard plate (12) is connected to the rear part of the upper surface of the teaching storage cabinet (1) through screws; the containing chute (13) is arranged at the lower position of the left side of the teaching containing cabinet (1); the multimedia teaching projector (14) is placed on the upper surface of the foldable supporting plate structure (6); the computer host (15) is placed at the right side of the lower surface inside the teaching storage cabinet (1); the limit stop block (16) is glued at the right side of the lower surface of the teaching storage cabinet (1); the foldable supporting plate structure (6) comprises a projector placing plate (61), a drawing hand grab handle (62), a first ear plate (63), a sliding ball (64), a supporting suspension rod (65) and a second ear plate (66), wherein the drawing hand grab handle (62) is connected to the left side of the lower surface of the projector placing plate (61) through a screw; the first ear plate (63) is in screw connection with the right side of the upper surface of the projector placing plate (61); one end of the supporting suspension rod (65) is connected to the upper part of the rear surface of the first lug plate (63) in a shaft mode, and the other end of the supporting suspension rod is connected to the left side of the rear surface of the second lug plate (66) in a shaft mode; the sliding ball (64) is movably embedded at the right side position of the projector placing plate (61).

2. The novel multimedia industrial and commercial management teaching device as claimed in claim 1, wherein the wire harness plate structure (7) capable of protecting the data line connector comprises a fixing strip (71), a data line restraining plate (72), a data line clamping groove (73), a label sticker (74), a wire harness buckle (75) and a connector protecting cover (76), wherein the fixing strip (71) is respectively connected to the left side and the right side of the rear surface of the data line restraining plate (72) through screws; the data line clamping groove (73) is formed in the middle of the front surface of the data line limiting plate (72); the label sticker (74) is adhered to the right side of the front surface of the data line constraint plate (72); the wiring harness buckle (75) is riveted on the front surface of the data wire restraining plate (72); the joint protection cover (76) is connected to the left side of the lower surface of the data line restriction plate (72) through screws.

3. The novel multimedia industrial and commercial management teaching device as claimed in claim 1, wherein the moisture absorption and insect repelling teaching aid placing plate structure (8) comprises an L-shaped baffle (81), an upper placing plate (82), an anti-falling belt (83), a lower placing plate (84), a storage box (85) and a mesh box cover (86), wherein the upper placing plate (82) is bolted to the upper right side of the vertical section of the L-shaped baffle (81); one end of the anti-falling belt (83) is respectively glued to the front surface of the upper placing plate (82), and the other end of the anti-falling belt is glued to the front surface of the lower placing plate (84); the lower placing plate (84) is connected to the lower position of the right side of the vertical section of the L-shaped baffle plate (81) through bolts; the storage box (85) is glued on the upper surface of the horizontal section of the L-shaped baffle (81); the mesh box cover (86) is buckled at the upper end of the storage box (85).

4. The multimedia business administration teaching device as claimed in claim 1, wherein the projector placement board (61) is made of aluminum alloy; the sliding ball (64) is clamped in the containing chute (13) in a sliding way.

5. The new multimedia business administration teaching device as claimed in claim 1, wherein said multimedia teaching projector (14) is placed on the upper surface of the projector placing plate (61); and the second ear plate (66) is in screw connection with the teaching storage cabinet (1).

6. The new multimedia industrial and commercial administration teaching device as claimed in claim 2, wherein said fixing strip (71) is made of rectangular stainless steel strip; the fixing strip (71) is connected with the teaching storage cabinet (1) through bolts.

7. The multimedia business administration teaching device as claimed in claim 2, wherein the data line constraint board (72) is made of L-shaped PVC plastic board; the data line clamping groove (73) is provided with an L-shaped groove.

8. The new multimedia industrial and commercial administration teaching device as claimed in claim 1, wherein the moving wheel (2) is a rubber universal wheel with brake pad; the teaching storage cabinet (1) is a stainless steel cabinet.

9. The new multimedia business administration teaching device as claimed in claim 1, wherein the limit stop (16) is a rectangular rubber block; a plurality of limit stops (16) are arranged; the limit stop block (16) is arranged on the left side of the computer host (15).

10. The new multimedia business administration teaching device as claimed in claim 3, wherein the storage box (85) is a PVC plastic box with an open top; the lower placing plate (84) is a stainless steel plate with a circular through hole; the anti-falling belt (83) is a nylon cloth belt with the width of five to ten millimeters.