CN212675730U

CN212675730U - PLC teaching demonstration device

Info

Publication number: CN212675730U
Application number: CN202021797093.2U
Authority: CN
Inventors: 鲍冬刚; 李育林; 陈杰
Original assignee: Shanghai Zhongyu Educational Equipment Co ltd
Current assignee: Shanghai Zhongyu Educational Equipment Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-09
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to a teaching equipment technical field specifically is a PLC teaching presentation device, including base, PLC demonstration ware, the bottom fixedly connected with universal wheel of base, the universal wheel is located four corners of base respectively, the top fixedly connected with overcoat pole of base, the inside joint of overcoat pole has interior loop bar, the top fixedly connected with bearing frame of interior loop bar, the top fixedly connected with backup pad of bearing frame, the top of backup pad is connected with the fixed plate. It rotates to drive umbelliform wheel through rotatory hand wheel, and it is rotatory to drive the lead screw by umbelliform wheel again, makes inner loop pole reciprocate along the lead screw, conveniently adjusts the height of PLC demonstration ware, and the crowd of the different heights of being convenient for uses the PLC demonstration ware to impart knowledge to students the demonstration, also conveniently imparts knowledge to students the demonstration in the place of difference, sets up the universal wheel through the bottom at the base, can promote presentation device and move, conveniently shifts and remove presentation device.

Description

PLC teaching demonstration device

Technical Field

The utility model relates to a teaching equipment technical field specifically is a PLC teaching presentation device.

Background

A method in which a teacher propagates biological knowledge by demonstrating a physical object of an organism and a true drawing of the physical object to students is called a demonstration teaching method. The teacher should correctly and reasonably select visual means according to the teaching content, and learn to use various visual means to demonstrate the teaching method, improve the teaching effect, the teacher shows some concrete cases in the life to the student through the simple and clear demonstration method with the help of some props or multimedia, thus some abstract knowledge, principle are concise, visualized, help the student deepen understanding and understanding to knowledge, principle.

Present teaching demonstration equipment is fixed in the inside in classroom mostly, can demonstrate the education only in the classroom, can't carry out outdoor education, and it is not very convenient to use, and the inconvenience has been brought for the teaching to the unable teaching demonstration device height of teaching according to teacher and surrounding of present teaching demonstration device simultaneously, provides a PLC teaching demonstration device for this.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a PLC teaching presentation device has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a PLC teaching presentation device, includes base, PLC demonstration ware, the top fixedly connected with overcoat loop bar of base, the inside joint of overcoat loop bar has interior loop bar, the top fixedly connected with bearing frame of interior loop bar, the top fixedly connected with backup pad of bearing frame, the top of backup pad is connected with the fixed plate, the inboard joint of fixed plate has the PLC demonstration ware, the bottom fixedly connected with buffer spring of PLC demonstration ware, the back fixedly connected with heating panel of fixed plate, the inside of heating panel is provided with radiator fan.

Optionally, the bottom of the base is fixedly connected with universal wheels, and the universal wheels are respectively located at four corners of the base.

Optionally, the lead screw has been cup jointed in the inside activity of outer loop bar, the inside at inner loop bar is cup jointed to the top screw thread of lead screw, the external fixation of lead screw has cup jointed the umbelliform wheel, the left side meshing of umbelliform wheel has the hand wheel, the hand wheel extends to outer loop bar's outside and cup joints together with outer loop bar activity.

Optionally, the fixed plate symmetric distribution is in the both sides of PLC demonstration ware, the inboard fixedly connected with draw-in groove of fixed plate, the outside fixedly connected with fixture block of PLC demonstration ware, the fixture block joint is in the inside of draw-in groove.

Optionally, the number of the buffer springs is three, and the bottoms of the buffer springs are fixedly connected with the top of the support plate.

Optionally, the heat dissipation plate is located at the back of the PLC demonstration device, and two heat dissipation fans are arranged inside the heat dissipation plate.

The utility model provides a PLC teaching presentation device possesses following beneficial effect:

1. this PLC teaching presentation device, it rotates to drive umbelliform wheel through rotatory hand wheel, it is rotatory to drive the lead screw by umbelliform wheel again, make inner loop pole reciprocate along the lead screw, conveniently adjust the height of PLC demonstration ware, the crowd of the different heights of being convenient for uses the PLC demonstration ware to impart knowledge to students the demonstration, also conveniently impart knowledge to students the demonstration in the place of difference, set up the universal wheel through the bottom at the base, can promote presentation device and move, the convenience shifts and removes presentation device, the flexibility of device has been improved.

2. This PLC teaching presentation device, bottom through at the PLC demonstration ware sets up buffer spring, at the in-process that removes the PLC demonstration ware, utilize buffer spring to carry out the shock attenuation to the PLC demonstration ware, prevent that the PLC demonstration ware from jolting impairedly at the in-process that removes, the security of PLC demonstration ware has been improved, back through at the PLC demonstration ware sets up the heating panel, utilize the inside radiator fan of heating panel to blow to PLC demonstration ware back louvre, accelerate the inside thermal scattering and disappearing of PLC demonstration ware, the radiating efficiency of PLC demonstration ware has been improved, the high temperature when avoiding the PLC demonstration ware to use for a long time.

Drawings

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

FIG. 2 is a schematic structural view of the back of the present invention;

fig. 3 is a schematic side sectional view of the present invention.

In the figure: 1. a base; 2. a universal wheel; 3. an outer loop bar; 4. an inner loop bar; 5. a lead screw; 6. an umbrella-shaped wheel; 7. a hand wheel; 8. a bearing seat; 9. a support plate; 10. a fixing plate; 11. a card slot; 12. a PLC demonstrator; 13. a clamping block; 14. a buffer spring; 15. a heat dissipation plate; 16. a heat dissipation fan.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a PLC teaching demonstration device comprises a base 1 and a PLC demonstrator 12, wherein universal wheels 2 are fixedly connected to the bottom of the base 1, the universal wheels 2 are respectively positioned at four corners of the base 1, the demonstration device can be pushed to move by arranging the universal wheels 2 at the bottom of the base 1, the demonstration device is convenient to transfer and move, the flexibility of the device is improved, an outer sleeve rod 3 is fixedly connected to the top of the base 1, an inner sleeve rod 4 is clamped inside the outer sleeve rod 3, a lead screw 5 is movably sleeved inside the outer sleeve rod 3, a top thread of the lead screw 5 is sleeved inside the inner sleeve rod 4, an umbrella-shaped wheel 6 is fixedly sleeved outside the lead screw 5, a hand wheel 7 is meshed on the left side of the umbrella-shaped wheel 6, the umbrella-shaped wheel 6 is driven to rotate by rotating the hand wheel 7, the lead screw 5 is driven to rotate by the umbrella-shaped wheel 6, the inner sleeve rod 4 moves up and down along the lead screw 5, and the height of the, the PLC demonstrator 12 is convenient for people with different heights to use the PLC demonstrator 12 for teaching demonstration and also convenient for teaching demonstration in different places, the hand wheel 7 extends to the outside of the outer thimble 3 and is movably sleeved with the outer thimble 3, the top of the inner thimble 4 is fixedly connected with the bearing seat 8, the top of the bearing seat 8 is fixedly connected with the support plate 9, the top of the support plate 9 is connected with the fixed plate 10, the fixed plate 10 is symmetrically distributed at two sides of the PLC demonstrator 12, the inner side of the fixed plate 10 is fixedly connected with the clamping groove 11, the outer side of the PLC demonstrator 12 is fixedly connected with the clamping block 13, the clamping block 13 is clamped inside the clamping groove 11, the inner side of the fixed plate 10 is clamped with the PLC demonstrator 12, the bottom of the PLC demonstrator 12 is fixedly connected with the buffer spring 14, the buffer spring 14 is arranged at the bottom of the PLC demonstrator 12, in the process of moving the PLC demonstrator 12, the PLC, prevent that PLC demonstration ware 12 from jolting impaired at the in-process that removes, the security of PLC demonstration ware 12 has been improved, buffer spring 14's quantity has threely, buffer spring 14's bottom is in the same place with the top fixed connection of backup pad 9, the back fixedly connected with heating panel 15 of fixed plate 10, the inside of heating panel 15 is provided with radiator fan 16, heating panel 15 is located PLC demonstration ware 12's back, the inside of heating panel 15 is provided with two radiator fan 16, set up heating panel 15 through the back at PLC demonstration ware 12, utilize radiator fan 16 inside heating panel 15 to blow to PLC demonstration ware 12 back louvre, accelerate the inside thermal scattering and disappearing of PLC demonstration ware 12, the radiating efficiency of PLC demonstration ware 12 has been improved, avoid PLC demonstration ware 12 high temperature during long-term use.

To sum up, this PLC teaching presentation device, during the use, move presentation device to suitable position, at the in-process that removes, utilize buffer spring 14 to carry out the shock attenuation to PLC demonstration ware 12, prevent that PLC demonstration ware 12 from jolting impaired at the in-process that removes, then rotatory hand wheel 7 drives umbelliform wheel 6 and rotates, it is rotatory to drive lead screw 5 by umbelliform wheel 6 again, make inner loop pole 4 reciprocate along lead screw 5, adjust PLC demonstration ware 12 to suitable height, later open PLC demonstration ware 12 and demonstrate the teaching, start heating panel 15 simultaneously, utilize inside radiator fan 16 of heating panel 15 to blow to the 12 back louvres of PLC demonstration ware, accelerate the inside thermal scattering and disappearing of PLC demonstration ware 12, can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a PLC teaching presentation device, includes base (1), PLC demonstration ware (12), its characterized in that: the top fixedly connected with outer loop bar (3) of base (1), the inside joint of outer loop bar (3) has inner loop bar (4), the top fixedly connected with bearing frame (8) of inner loop bar (4), the top fixedly connected with backup pad (9) of bearing frame (8), the top of backup pad (9) is connected with fixed plate (10), the inboard joint of fixed plate (10) has PLC demonstration ware (12), the bottom fixedly connected with buffer spring (14) of PLC demonstration ware (12), back fixedly connected with heating panel (15) of fixed plate (10), the inside of heating panel (15) is provided with radiator fan (16).

2. The PLC teaching demonstration device according to claim 1, wherein: the bottom fixedly connected with universal wheel (2) of base (1), universal wheel (2) are located four corners of base (1) respectively.

3. The PLC teaching demonstration device according to claim 1, wherein: lead screw (5) have been cup jointed in the inside activity of outer loop bar (3), the inside of inner loop bar (4) is cup jointed to the top screw thread of lead screw (5), umbelliform wheel (6) have been cup jointed to the external fixation of lead screw (5), the left side meshing of umbelliform wheel (6) has hand wheel (7), hand wheel (7) extend to the outside of outer loop bar (3) and cup joint together with outer loop bar (3) activity.

4. The PLC teaching demonstration device according to claim 1, wherein: fixed plate (10) symmetric distribution is in the both sides of PLC demonstration ware (12), inboard fixedly connected with draw-in groove (11) of fixed plate (10), the outside fixedly connected with fixture block (13) of PLC demonstration ware (12), fixture block (13) joint is in the inside of draw-in groove (11).

5. The PLC teaching demonstration device according to claim 1, wherein: the number of the buffer springs (14) is three, and the bottoms of the buffer springs (14) are fixedly connected with the top of the support plate (9).

6. The PLC teaching demonstration device according to claim 1, wherein: the heat dissipation plate (15) is located on the back of the PLC demonstrator (12), and two heat dissipation fans (16) are arranged inside the heat dissipation plate (15).