CN212558773U

CN212558773U - Power cord cutting device that physical teaching used

Info

Publication number: CN212558773U
Application number: CN202021445426.5U
Authority: CN
Inventors: 韩忠国; 段开锐
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-02-19
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a power cord cutting device that physical teaching used, including the fixed box, it has fixed opening to open on the fixed box, be equipped with a set of relative vertical slide rail on the fixed opening, vertical slide rail and fixed box fixed connection, be equipped with transparent baffle between a set of relative vertical slide rail, transparent baffle and vertical slide rail sliding connection, install the fixed axle in the fixed box, the cover is equipped with the rolling dish on the fixed axle, rolling dish and fixed axle swing joint, the rolling has the power cord on the rolling dish, be equipped with the external screw thread on the fixed axle, be equipped with fixed disc on the fixed axle, be equipped with cutting complementary unit on the fixed box. The beneficial effects of the utility model are that, the convenient carrying of taking of fixation box, carry out the rolling to the power cord through the rolling dish, clean and tidy, convenient to use, the end of a thread levels, convenient operation keeps tightening up the state through the pinch roller when discharging the source line, avoids appearing the condition of moving back the line.

Description

Power cord cutting device that physical teaching used

Technical Field

The utility model relates to a physics teaching equipment technical field specifically is a power cord cutting device that physics teaching was used.

Background

In long-term teaching practice, the teacher can use different equipment with the student to do the experiment, and power cord all need be used to a lot of equipment, and the power cord is according to the in service behavior of difference, will cut off, and the condition of experiment is directly influenced to tangential good or bad, and current tangent line device is not only inefficient, hardly guarantees the end of a thread to level completely moreover, and the operation is inconvenient, inconvenient carrying.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a power cord cutting device that physical teaching used has solved tangent line inefficiency, the end of a thread unevenness, and the operation is inconvenient, the inconvenient problem of carrying.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a power line cutting device for physics teaching comprises a fixed box body, wherein a fixed opening is formed in the fixed box body, a group of opposite vertical slide rails is arranged on the fixed opening, the vertical slide rails are fixedly connected with the fixed box body, a transparent baffle is arranged between the group of opposite vertical slide rails, the transparent baffle is in sliding connection with the vertical slide rails, a fixed shaft is installed in the fixed box body, a winding disc is sleeved on the fixed shaft and is movably connected with the fixed shaft, a power line is wound on the winding disc, external threads are arranged on the fixed shaft, a fixed disc is arranged on the fixed shaft, and a cutting auxiliary mechanism is arranged on the fixed box body;

the cutting assist mechanism, comprising: the cutting device comprises a fixed sleeve, a movable connecting rod, a fixed connecting piece, a telescopic spring, a connecting shaft, a pressing wheel, an Contraband-shaped connecting piece, a pressing rod, a limiting plate, a return spring and a cutter;

the fixed sleeve is arranged in the fixed box body, the fixed sleeve is positioned at one side of the rolling disc, the movable connecting rod is sleeved in the fixed sleeve, the movable connecting rod is connected with the fixed sleeve in a sliding way, the fixed connecting piece is arranged on one side of the movable connecting rod, the telescopic spring is sleeved on the movable connecting rod, the connecting shaft is arranged in the fixed connecting piece, the pinch roller is sleeved on the connecting shaft, the Contraband-type connecting piece is installed in the fixed box body, the Contraband-type connecting rod is positioned at the other side of the winding disc, the pressing rod is arranged on the Contraband type connecting piece, the top of the pressing rod extends out of the fixed box body, the bottom of the pressing rod passes through the Contraband type connecting piece, the limiting plate is installed on pressing the pressure bar, reset spring suit is on pressing the pressure bar, reset spring is located between limiting plate and the Contraband type connecting piece, the cutter is installed in pressing the pressure bar bottom.

Preferably, a fixed limiting ring is installed in the fixed box body, a fixed through hole is formed in one side of the fixed box body, and the power line penetrates through the fixed limiting ring and extends out of the fixed through hole.

Preferably, a fixed handle is installed at the top of the pressing rod, and an anti-skid sleeve is sleeved on the fixed handle.

Preferably, the anti-slip mat is installed at four corners of the bottom of the fixed box body, and the movable handle is installed at the top of the fixed box body.

Preferably, the fixed disk is in threaded connection with the fixed shaft through an external thread.

Preferably, the fixed shaft is provided with a fixed limiting disc.

Advantageous effects

The utility model provides a power cord cutting device that physical teaching used possesses following beneficial effect, and this device fixed box conveniently takes and carries, carries out the rolling through the rolling dish to the power cord, and is clean and tidy, and convenient to use cuts off the power cord through the cutter, and the end of a thread levels, and convenient operation keeps tightening up the state through the pinch roller when discharging the source line, avoids appearing the condition of moving back the line.

Drawings

Fig. 1 is the utility model discloses a power cord cutting device's that physics teaching was used schematic diagram.

Fig. 2 is a top view of a power line cutting device for physics teaching.

Fig. 3 is a partial enlarged view of the cutting assistance mechanism of the present invention.

In the figure: 1. fixing the box body; 2. a fixed opening; 3. a vertical slide rail; 4. a transparent baffle; 5. a fixed shaft; 6. a winding disc; 7. a power line; 8. an external thread; 9. fixing the disc; 10. fixing the sleeve; 11. a movable connecting rod; 12. fixing the connecting piece; 13. a tension spring; 14. a connecting shaft; 15. a pinch roller; 16. model Contraband connection elements; 17. a pressing lever; 18. a limiting plate; 19. a return spring; 20. a cutter; 21. fixing a limiting ring; 22. a fixing through hole; 23. fixing a handle; 24. an anti-slip sleeve; 25. a non-slip mat; 26. a movable handle; 27. and fixing the limiting disc.

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 a technical solution: a power line cutting device for physics teaching comprises a fixed box body 1, wherein a fixed opening 2 is formed in the fixed box body 1, a group of opposite vertical slide rails 3 are arranged on the fixed opening 2, the vertical slide rails 3 are fixedly connected with the fixed box body 1, a transparent baffle 4 is arranged between the group of opposite vertical slide rails 3, the transparent baffle 4 is connected with the vertical slide rails 3 in a sliding manner, a fixed shaft 5 is installed in the fixed box body 1, a winding disc 6 is sleeved on the fixed shaft 5, the winding disc 6 is movably connected with the fixed shaft 5, a power line 7 is wound on the winding disc 6, external threads 8 are arranged on the fixed shaft 5, a fixed disc 9 is arranged on the fixed shaft 5, and a cutting auxiliary mechanism is arranged on the fixed box body 1; the cutting assist mechanism, comprising: the cutting device comprises a fixed sleeve 10, a movable connecting rod 11, a fixed connecting piece 12, a telescopic spring 13, a connecting shaft 14, a pressing wheel 15, an Contraband-shaped connecting piece 16, a pressing rod 17, a limiting plate 18, a return spring 19 and a cutter 20; the fixed sleeve 10 is arranged in a fixed box body 1, the fixed sleeve 10 is positioned on one side of a winding disc 6, a movable connecting rod 11 is sleeved in the fixed sleeve 10, the movable connecting rod 11 is connected with the fixed sleeve 10 in a sliding manner, a fixed connecting piece 12 is arranged on one side of the movable connecting rod 11, an expansion spring 13 is sleeved on the movable connecting rod 11, a connecting shaft 14 is arranged in the fixed connecting piece 12, a pinch roller 15 is sleeved on the connecting shaft 14, a Contraband-type connecting piece 16 is arranged in the fixed box body 1, the Contraband-type connecting rod is positioned on the other side of the winding disc 6, a pressing rod 17 is arranged on a Contraband-type connecting piece 16, the top of the pressing rod 17 extends out of the fixed box body 1, the bottom of the pressing rod 17 penetrates through the Contraband-type connecting piece 16, a limiting plate 18 is arranged on the pressing rod 17, a return spring 19 is sleeved on the pressing rod 17, and, the cutter 20 is arranged at the bottom of the pressing rod 17; a fixed limiting ring 21 is installed in the fixed box body 1, a fixed through hole 22 is formed in one side of the fixed box body 1, and the power line 7 penetrates through the fixed limiting ring 21 and extends out of the fixed through hole 22; a fixed handle 23 is arranged at the top of the pressing rod 17, and an anti-skid sleeve 24 is sleeved on the fixed handle 23; the four corners of the bottom of the fixed box body 1 are provided with anti-skid pads 25, and the top of the fixed box body 1 is provided with a movable handle 26; the fixed disc 9 is in threaded connection with the fixed shaft 5 through an external thread 8; the fixed shaft 5 is provided with a fixed limiting disc 27.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Example (b): a user can conveniently extract the fixed box body 1 through the movable handle 26 and carry the fixed box body conveniently, when the fixed box body is used, the fixed box body 1 is placed at the position of the user, the fixed box body 1 is prevented from sliding through the anti-slip mat 25, the transparent baffle plate 4 slides upwards in the vertical slide rail 3, the transparent baffle plate 4 is taken down to open the fixed opening 2, the winding disc 6 wound with the power wire 7 is placed on the fixed shaft 5, the fixed disc 9 rotates at the external thread 8 on the fixed shaft 5, the fixed disc 9 is fixed, the pressing wheel 15 is pressed at the power wire 7 on the winding disc 6, the power wire 7 of the power wire 7 passes through the fixed limiting ring 21 and extends out of the fixed through hole 22, the transparent baffle plate 4 is restored to the original position, the power wire 7 is pulled, the power wire 7 is drawn out of the fixed box body 1, when the power wire 7 is pulled to the required position, the pressing rod, cut off power cord 7 through cutter 20, the end of a thread is level and smooth, the operation is convenient, exert pressure through limiting plate 18 to reset spring 19 when pressing the pressing rod 17, reset spring 19 produces deformation, reset spring 19 restores the normal position with pressing rod 17 when loosening pressing rod 17, when power cord 7 reduces, expanding spring 13 exerts pressure to swing joint lever 11, swing joint lever 11 stretches out from fixed sleeving 10, be connected pinch roller 15 with power cord 7 all the time, when rolling dish 6 rotates, pinch roller 15 passes through connecting axle 14 and rotates in fixed connection 12, keep the state of tightening up when discharging source line 7 through pinch roller 15, avoid appearing the condition of moving back the line.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 power cord cutting device that physical teaching used, includes fixed box (1), its characterized in that, it has fixed opening (2) to open on fixed box (1), be equipped with a set of relative vertical slide rail (3) on fixed opening (2), vertical slide rail (3) and fixed box (1) fixed connection, be equipped with transparent baffle (4) between a set of relative vertical slide rail (3), transparent baffle (4) and vertical slide rail (3) sliding connection, install fixed axle (5) in fixed box (1), the cover is equipped with rolling dish (6) on fixed axle (5), rolling dish (6) and fixed axle (5) swing joint, the rolling has power cord (7) on rolling dish (6), be equipped with external screw thread (8) on fixed axle (5), be equipped with fixed disc (9) on fixed axle (5), the fixed box body (1) is provided with a cutting auxiliary mechanism;

the cutting assist mechanism, comprising: the cutting device comprises a fixed sleeve (10), a movable connecting rod (11), a fixed connecting piece (12), a telescopic spring (13), a connecting shaft (14), a pressing wheel (15), an Contraband-shaped connecting piece (16), a pressing rod (17), a limiting plate (18), a return spring (19) and a cutter (20);

the fixed sleeve (10) is arranged in the fixed box body (1), the fixed sleeve (10) is positioned on one side of the winding disc (6), the movable connecting rod (11) is sleeved in the fixed sleeve (10), the movable connecting rod (11) is connected with the fixed sleeve (10) in a sliding manner, the fixed connecting piece (12) is arranged on one side of the movable connecting rod (11), the telescopic spring (13) is sleeved on the movable connecting rod (11), the connecting shaft (14) is arranged in the fixed connecting piece (12), the pressing wheel (15) is sleeved on the connecting shaft (14), the Contraband type connecting piece (16) is arranged in the fixed box body (1), the Contraband type connecting rod is positioned on the other side of the winding disc (6), the pressing rod (17) is arranged on the Contraband type connecting piece (16), the top of the pressing rod (17) extends out of the fixed box body (1), and the bottom of the rod (17) passes through the Contraband type connecting piece (16), the limiting plate (18) is installed on the pressing rod (17), the return spring (19) is sleeved on the pressing rod (17), the return spring (19) is located between the limiting plate (18) and the Contraband-type connecting piece (16), and the cutter (20) is installed at the bottom of the pressing rod (17).

2. The power line cutting device for physics teaching according to claim 1, characterized in that a fixed limiting ring (21) is installed in the fixed box body (1), a fixed through hole (22) is opened on one side of the fixed box body (1), and the power line (7) passes through the fixed limiting ring (21) and extends out of the fixed through hole (22).

3. The power line cutting device for physics teaching of claim 1, characterized in that the top of the pressing rod (17) is installed with a fixed handle (23), the fixed handle (23) is sleeved with an anti-skid sleeve (24).

4. The power line cutting device for physics education as claimed in claim 1, characterized in that the fixed box (1) is installed with anti-skid pads (25) at the four corners of the bottom, and the fixed box (1) is installed with a movable handle (26) at the top.

5. A power cord cutting device for physics teaching as claimed in claim 1 wherein said stationary disc (9) is threadedly connected to stationary shaft (5) by means of external threads (8).

6. The power line cutting device for physics teaching as claimed in claim 1, characterized in that fixed limiting disk (27) is mounted on the fixed shaft (5).