CN210091542U

CN210091542U - Teaching is with many link mechanism motion presentation device of being convenient for adjust length

Info

Publication number: CN210091542U
Application number: CN201920882272.7U
Authority: CN
Inventors: 廖云云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-02-18
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a teaching is with many link mechanism motion presentation device convenient to adjust length, the on-line screen storage device comprises a base, the bottom outer wall of base is equipped with four second electric telescopic handle, and four second electric telescopic handle's top outer wall all is equipped with the cushion socket, and the bottom outer wall of base is equipped with four universal wheels, the top outer wall of base is equipped with two bracing pieces, and the top outer wall of two bracing pieces is equipped with the same second body of rod, the outer wall of the second body of rod is opened flutedly, and recess inner wall relative position all is equipped with the bearing frame, threaded through-hole has all been opened to the both sides outer wall of the second body of rod, and two threaded through-hole all peg graft and have the lead screw, two the outer wall of lead screw has all cup jointed the slider, and the one end of two lead. The utility model discloses a set up the shock attenuation seat, can reduce the vibrations influence that the motor brought to a certain extent, let the stability of device increase to some extent.

Description

Teaching is with many link mechanism motion presentation device of being convenient for adjust length

Technical Field

The utility model relates to a presentation device technical field especially relates to a teaching is with many link mechanism motion presentation device of being convenient for adjust length.

Background

The link mechanism is also called low-pair mechanism, is one kind of mechanical component, and is a mechanism formed by connecting several (more than two) members with definite relative motion by using low pair (revolute pair or moving pair), and the teaching demonstration device is added with a multi-link mechanism, so that it can be convenient to regulate the demonstration device, however, the application of the multi-link structure in the existing teaching demonstration device for multi-link mechanism motion, which is convenient to regulate length, is not ideal.

The conventional link mechanisms for fixing the demonstration panel have certain disadvantages, and the link mechanisms can only be used for fixing the demonstration panel with one volume, and when the volume of the demonstration panel is changed, the link mechanisms can only be changed again.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multi-link mechanism motion demonstration device convenient for length adjustment for teaching.

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

a multi-link mechanism motion demonstration device convenient for length adjustment for teaching comprises a base, wherein four second electric telescopic rods are arranged on the outer wall of the bottom of the base, shock absorbing seats are arranged on the outer walls of the tops of the four second electric telescopic rods, four universal wheels are arranged on the outer wall of the bottom of the base, two supporting rods are arranged on the outer wall of the top of the base, the same second rod body is arranged on the outer walls of the tops of the two supporting rods, grooves are formed in the outer walls of the second rod body, bearing seats are arranged at opposite positions of the inner walls of the grooves, threaded through holes are formed in the outer walls of the two sides of the second rod body, lead screws are inserted into the two threaded through holes, sliding blocks are sleeved on the outer walls of the two lead screws, one ends of the two lead screws are connected to the outer wall of the bearing seat through bearings, motors are arranged on the outer walls, the other end of belt cup joints in the other end of lead screw, two the top outer wall of slider all is equipped with an electric telescopic handle, and two electric telescopic handle's bottom outer wall all is equipped with the first body of rod.

Preferably, the outer walls of the first rod body and one side of the bearing seat are respectively provided with a clamping mechanism, and the outer walls of the clamping mechanisms are clamped by the same demonstration panel.

Preferably, the outer wall of one side of the demonstration panel is provided with a temperature sensor, the outer wall of the top of the demonstration panel is provided with an alarm, and the outer wall of the other side of the demonstration panel is provided with an LED display panel.

Preferably, the bottom inner wall of the demonstration panel is provided with a white board, and the top outer wall of the white board is provided with a hanging rod.

Preferably, one side outer wall of jib is equipped with third electric telescopic handle, and third electric telescopic handle's top outer wall is equipped with the projecting apparatus.

Preferably, the first electric telescopic rod, the second electric telescopic rod, the third electric telescopic rod, the motor, the alarm and the LED display panel are all connected with a switch, the switch is connected with a processor, and the signal output end of the temperature sensor is connected with the signal access end of the processor through a signal line.

The utility model has the advantages that:

1. through setting up lead screw and electric telescopic handle, can adjust the size of connecting rod structure according to the size of demonstration panel for the accurate fixed demonstration panel of link mechanism has still improved the practical scope of device when having practiced thrift the resource.

2. Through setting up the shock attenuation seat, can reduce the vibrations influence that the motor brought to a certain extent, let the stability of device increase to some extent.

3. Through setting up temperature sensor and alarm, under the inside spontaneous combustion or the high temperature condition of appearing of demonstration panel, can know the condition and solve the problem at the very first time, reduced the damage degree of device, also ensured staff's safety.

Drawings

FIG. 1 is a schematic structural diagram of a multi-bar linkage movement demonstration apparatus for teaching purpose, which is provided in embodiment 1 and is convenient for length adjustment;

FIG. 2 is a schematic view of an internal structure of a demonstration panel of the multi-bar linkage movement demonstration apparatus for teaching purpose according to embodiment 1;

FIG. 3 is a partial side view of a teaching multi-link motion demonstration apparatus for facilitating length adjustment according to embodiment 1;

fig. 4 is a schematic view of an internal structure of a demonstration panel of the multi-link mechanism movement demonstration apparatus for teaching, which is provided by embodiment 2 and is convenient for adjusting the length.

In the figure: the demonstration device comprises a base 1, a supporting rod 2, a sliding block 3, a first electric telescopic rod 4, a bearing seat 5, a clamping mechanism 6, a demonstration panel 7, a first rod 8, a lead screw 9, a belt 10, a motor 11, a universal wheel 12, a second rod 13, a damping seat 14, a second electric telescopic rod 15, an alarm 16, a hanging rod 17, an LED display panel 18, a third electric telescopic rod 19, a projector 20, a whiteboard 21 and a temperature sensor 22.

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.

Example 1

Referring to fig. 1-3, a multi-link mechanism movement demonstration device for teaching, which is convenient for adjusting length, comprises a base 1, four second electric telescopic rods 15 are fixed on the outer wall of the bottom of the base 1 through screws, shock-absorbing seats 14 are fixed on the outer walls of the tops of the four second electric telescopic rods 15 through screws, four universal wheels 12 are fixed on the outer wall of the bottom of the base 1 through screws, two support rods 2 are fixed on the outer wall of the top of the base 1 through screws, the outer walls of the tops of the two support rods 2 are fixed with a same second rod body 13 through screws, a groove is formed on the outer wall of the second rod body 13, a bearing seat 5 is fixed on the opposite position of the inner wall of the groove through screws, threaded through holes are formed on the outer walls of two sides of the second rod body 13, lead screws 9 are inserted into the two threaded through holes, slide blocks 3 are sleeved on the outer walls of the two lead screws 9, and one, the outer walls of the bases at the two ends of the base 1 are both provided with a motor 11 through screws, the output shaft of the motor 11 is sleeved with a belt 10, the other end of the belt (10 is sleeved on the other end of a screw rod 9, the outer walls of the tops of the two sliding blocks 3 are both provided with a first electric telescopic rod 4 through screws, and the outer walls of the bottoms of the two first electric telescopic rods 4 are both provided with a first rod body 8 through screws.

The utility model discloses in, one side outer wall of the first body of rod 8 and bearing frame 5 all has clamping mechanism 6 through the fix with screw, and clamping mechanism 6's outer wall centre gripping has same demonstration panel 7, demonstration panel 7's bottom inner wall has blank 21 through the fix with screw, and blank 21's top outer wall has jib 17 through the fix with screw, one side outer wall of jib 17 has third electric telescopic handle 19 through the fix with screw, and third electric telescopic handle 19's top outer wall has projector 20 through the fix with screw.

The working principle is as follows: when the demonstration panel 7 is installed, the length of the connecting rod is adjusted according to the size of the demonstration panel 7, the starting motor 11 is used for adjusting the required width through the lead screw 9, the required height is adjusted through the first electric telescopic rod 4, the demonstration panel 7 is fixed through the clamping mechanism 6 after the adjustment is completed, the device is moved to the field through the universal wheel 12, the second electric telescopic rod 15 is adjusted, and the projector 20 is started to perform demonstration through the damping seat 14 fixing device.

Example 2

Referring to fig. 1 and 4, a teaching is with many link mechanism motion presentation device convenient to adjust length, compare in embodiment 1, one side outer wall of demonstration panel 7 has temperature sensor 22 through the fix with screw, and the top outer wall of demonstration panel 7 has alarm 16 through the fix with screw, the opposite side outer wall of demonstration panel 7 has LED display panel 18 through the fix with screw, under the condition of spontaneous combustion or high temperature appears in demonstration panel 7 is inside, can know the condition and solve the problem in the very first time, the damage degree of device has been reduced, staff's safety has also been ensured.

First electric telescopic handle 4, second electric telescopic handle 15, third electric telescopic handle 19, motor 11, alarm 16 and LED display panel 18 all are connected with the switch, and the switch is connected with the treater, and temperature sensor 22's signal output part is connected with the signal incoming end of treater through the signal line, and the treater model is ARM9 TDMI.

The working principle is as follows: when installation demonstration panel 7, the length of connecting rod is adjusted according to demonstration panel 7's size, starter motor 11, adjust required width through lead screw 9, adjust required height through the old 4 old adjustments of first electric telescopic handle, adjust and accomplish back through the fixed demonstration panel 7 of clamping mechanism 6, remove the device to the place through universal wheel 12, adjust second electric telescopic handle 15, through 14 fixing device of cushion socket, start projecting apparatus 20 and demonstrate, when using the device, through the inside temperature of temperature sensor 22 real time monitoring, guarantee that it is under the normal temperature condition, avoid the emergence beyond.

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. A multi-link mechanism movement demonstration device convenient for length adjustment for teaching comprises a base (1) and is characterized in that four second electric telescopic rods (15) are arranged on the outer wall of the bottom of the base (1), shock absorbing seats (14) are arranged on the outer walls of the tops of the four second electric telescopic rods (15), four universal wheels (12) are arranged on the outer wall of the bottom of the base (1), two supporting rods (2) are arranged on the outer wall of the top of the base (1), the same second rod body (13) is arranged on the outer walls of the tops of the two supporting rods (2), grooves are formed in the outer walls of the second rod bodies (13), bearing seats (5) are arranged at the opposite positions of the inner walls of the grooves, threaded through holes are formed in the outer walls of the two sides of each second rod body (13), lead screws (9) are inserted into the two threaded through holes, slide blocks (3) are sleeved on the outer walls of the two, and the one end of two lead screws (9) all is connected in the outer wall of bearing frame (5) through the bearing, the both ends base outer wall of base (1) all is equipped with motor (11), and the output shaft of motor (11) has cup jointed belt (10), and the other end of belt (10) is cup jointed in the other end of lead screw (9), two the top outer wall of slider (3) all is equipped with first electric telescopic handle (4), and the bottom outer wall of two first electric telescopic handle (4) all is equipped with the first body of rod (8).

2. The multi-link mechanism movement demonstration device convenient for length adjustment for teaching according to claim 1, wherein the first rod body (8) and the outer wall of one side of the bearing seat (5) are both provided with a clamping mechanism (6), and the outer wall of the clamping mechanism (6) clamps the same demonstration panel (7).

3. A teaching demonstration device for multi-bar linkage movement convenient for adjusting length according to claim 2 characterized in that the demonstration panel (7) is provided with a temperature sensor (22) on one side of the outer wall, the top outer wall of the demonstration panel (7) is provided with an alarm (16), and the other side outer wall of the demonstration panel (7) is provided with an LED display panel (18).

4. A teaching movement demonstration device with multi-bar linkage for easy adjustment of length according to claim 2 or 3 characterized in that the inner bottom wall of the demonstration panel (7) is provided with a white board (21) and the outer top wall of the white board (21) is provided with a hanger bar (17).

5. The multi-link mechanism movement demonstration device for teaching purpose convenient for length adjustment according to claim 4, characterized in that the outer wall of one side of the suspension rod (17) is provided with a third electric telescopic rod (19), and the outer wall of the top of the third electric telescopic rod (19) is provided with a projector (20).

6. The multi-link mechanism movement demonstration device convenient for length adjustment for teaching according to claim 1, wherein the first electric telescopic rod (4), the second electric telescopic rod (15), the third electric telescopic rod (19), the motor (11), the alarm (16) and the LED display panel (18) are all connected with switches, the switches are connected with a processor, and the signal output end of the temperature sensor (22) is connected with the signal input end of the processor through a signal line.