CN112825216A - Mechanical multi-direction linear motion demonstration equipment for physical teaching experiment - Google Patents
Mechanical multi-direction linear motion demonstration equipment for physical teaching experiment Download PDFInfo
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- CN112825216A CN112825216A CN201911137806.4A CN201911137806A CN112825216A CN 112825216 A CN112825216 A CN 112825216A CN 201911137806 A CN201911137806 A CN 201911137806A CN 112825216 A CN112825216 A CN 112825216A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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Abstract
The invention provides a mechanical multidirectional linear motion demonstration device for physical teaching experiments, which comprises: mounting a plate; the bottom of the mounting plate is provided with a sucker base, the front surface of the mounting plate is provided with a light-transmitting mounting box, a first mounting cavity and a second mounting cavity are arranged in the mounting box in a layered mode, two first linear rods which correspondingly slide out from two ends in a first direction are arranged in the first mounting cavity, and two second linear rods which correspondingly slide out from two ends in a second direction are arranged in the second mounting cavity; still include simultaneously with two first linear pole with two second linear pole engaged with's double gear, double gear coaxial coupling has the axostylus axostyle, the axostylus axostyle runs through the mounting panel is connected with the hand wheel, just be provided with the ratchet of its rotation direction of spacing on the axostylus axostyle. In the embodiment of the application, the mechanical principle is visually displayed for students through multi-directional linear motion, and the limit of the ratchet wheel device is described.
Description
Technical Field
The invention relates to the technical field of physical teaching, in particular to mechanical multidirectional linear motion demonstration equipment for a physical teaching experiment.
Background
The mechanical movement is the simplest and most basic movement form in nature; in physics, the process by which the position of an object relative to another object, or the position of some parts of an object relative to other parts, changes over time is called mechanical motion.
However, the linear motion mode in teaching is mostly relative movement or reverse movement, no example is provided for multi-direction synchronous movement, and the limit movement direction is not accurately and intuitively displayed.
Disclosure of Invention
In view of the above, the invention provides a mechanical multidirectional linear motion demonstration device for physical teaching experiments, which enables linear motion to synchronously move in multiple directions and performs limiting movement direction demonstration.
The invention provides a mechanical multidirectional linear motion demonstration device for a physical teaching experiment, which comprises: mounting a plate; the bottom of the mounting plate is provided with a sucker base, the front surface of the mounting plate is provided with a light-transmitting mounting box, a first mounting cavity and a second mounting cavity are arranged in the mounting box in a layered mode, two first linear rods which correspondingly slide out from two ends in a first direction are arranged in the first mounting cavity, and two second linear rods which correspondingly slide out from two ends in a second direction are arranged in the second mounting cavity;
still include simultaneously with two first linear pole with two second linear pole engaged with's double gear, double gear coaxial coupling has the axostylus axostyle, the axostylus axostyle runs through the mounting panel is connected with the hand wheel, just be provided with the ratchet of its rotation direction of spacing on the axostylus axostyle.
In the embodiment of the application, the mechanical principle is visually displayed for students through multi-directional linear motion, and the limit of the ratchet wheel device is described.
Preferably, the upper part of the mounting plate is provided with a lifting hole. Is convenient to take.
Preferably, two first sliding grooves are symmetrically formed in the opposite inner walls of the first mounting cavity, the two first linear rods are correspondingly assembled in the two first sliding grooves one by one, and two ends of the two first sliding grooves are opened; two second sliding grooves are symmetrically formed in the inner wall, opposite to the second mounting cavity, of the second mounting cavity, the two second linear rods are assembled in the two second sliding grooves in a one-to-one correspondence mode, and openings are formed in two ends of the two second sliding grooves. The sliding in multiple directions is smooth.
Preferably, two first racks are arranged on the surfaces of the two first linear rods facing each other, and two second racks are arranged on the surfaces of the two second linear rods facing each other; one gear of the double-layer gears is meshed with the two first racks oppositely, and the other gear of the double-layer gears is meshed with the two second racks oppositely. The two first racks and the two second racks are linked simultaneously.
Preferably, the mounting plate is provided with a bearing, and the shaft rod is sleeved on the bearing.
Preferably, the ratchet wheel device comprises a ratchet wheel sleeved on the shaft rod and a pawl matched with the ratchet wheel; wherein the pawl is assembled on the mounting plate through a spring limiting assembly. The rotation direction is limited.
Drawings
FIG. 1 is a schematic structural diagram of a mechanical multidirectional linear motion demonstration apparatus for physics teaching experiments according to an embodiment of the present invention;
FIG. 2 is a schematic view of a part of a mechanical multi-directional linear motion demonstration device for physics teaching experiments according to an embodiment of the present invention;
fig. 3 is a schematic view of a connection state of two first racks and two second racks with a double-layer gear according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a ratchet device according to an embodiment of the present invention.
Reference numerals:
the device comprises a mounting plate-1, a sucker base-2, a lifting hole-3, a first mounting cavity-4, a second mounting cavity-5, two first linear rods-6, two second linear rods-7, a shaft rod-8, a hand wheel-9, a mounting box-10, a double-layer gear-11, two first racks-12, two second racks-13, a ratchet-14 and a pawl-15.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Firstly, in order to facilitate understanding of mechanical multidirectional linear motion demonstration equipment for a physical teaching experiment provided in the embodiment of the application, an application scenario of the mechanical multidirectional linear motion demonstration equipment is explained.
The following describes mechanical multidirectional linear motion demonstration equipment for physics teaching experiments provided by the embodiments of the present application with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a mechanical multidirectional linear motion demonstration apparatus for physics teaching experiments according to an embodiment of the present invention; the multi-direction rectilinear motion demonstration equipment of mechanical type of physics teaching experiment in the embodiment of this application includes: the mounting plate 1 is provided with a sucker base 2 at the bottom of the mounting plate 1, the mounting plate 1 is fixed on an experiment table board through the sucker base 2 during experiment operation, and the mounting plate 1 is in a vertical state during exhibition;
meanwhile, in order to take conveniently, the upper part of the mounting plate 1 is provided with a lifting hole 3; the front surface of the mounting plate 1 is provided with a mounting box 10 with light transmission, and the mounting box 10 adopts an acrylic plate, so that students can conveniently observe the mechanical motion principle inside the mounting; the mounting box 10 is characterized in that a first mounting cavity 4 and a second mounting cavity 5 are arranged in the mounting box 10 in a layered mode, two first linear rods 6 which correspondingly slide out from two ends in a first direction are arranged in the first mounting cavity 4, and abdicating holes for abdicating the two first linear rods 6 are formed in two ends of the first mounting cavity 4; two second linear rods 7 which correspondingly slide out from two ends in the second direction are arranged in the second mounting cavity 5, and abdicating holes for abdicating the two second linear rods 7 are formed in two ends of the second mounting cavity 5; the first direction and the second direction are crossed, so that the four linear rods extend to four different directions, and the experimental process is more vividly displayed.
With continued reference to fig. 2 and 3, when two first linear rods 6 are slid in the first installation cavity 4 and two second linear rods 7 are slid in the second installation cavity 5, two first sliding grooves are symmetrically arranged on the inner wall of the first installation cavity 4, the two first linear rods 6 are correspondingly assembled in the two first sliding grooves one by one, and two ends of the two first sliding grooves are opened; two second sliding grooves are symmetrically formed in the opposite inner walls of the second mounting cavity 5, the two second linear rods 7 are assembled in the two second sliding grooves in a one-to-one correspondence mode, and two ends of the two second sliding grooves are opened. At this time, the two first linear rods 6 and the two second linear rods 7 slide in the corresponding sliding grooves;
in order to show mechanical linkage, a double-layer gear 11 positioned in a first installation cavity 4 and a second installation cavity 5 is arranged at the center position of an installation plate 1, two first racks 12 are arranged on the surfaces, facing each other, of two first linear rods 6, and two second racks 13 are arranged on the surfaces, facing each other, of two second linear rods 7; one of the double-layer gears 11 is engaged with the two first racks 12, and the other is engaged with the two second racks 13.
It can be seen from the above-mentioned structure that, with the face of mounting box 10 towards the student, through the rotation of double-deck gear 11, four straight line poles of drive simultaneously move towards four different directions, and push back or pull arbitrary straight line pole, and other three straight line poles can correspond and retrieve or extend, and mechanical linkage performance demonstrates completely.
In order to drive the double-layer gear 11 to rotate, the double-layer gear 11 is coaxially connected with a shaft rod 8, and the shaft rod 8 penetrates through the mounting plate 1 and is connected with a hand wheel 9; the mounting plate is provided with a bearing hole, a bearing is assembled in the bearing hole, the shaft rod 8 is sleeved on the bearing, one end of the shaft rod 8 is connected with the hand wheel 9, and the other end of the shaft rod is connected with the circle center of the double-layer gear 11.
With continuing reference to fig. 4, in addition, in order to enhance the teaching demonstration performance, the embodiment of the present application also provides a ratchet device for limiting the rotation direction of the shaft 8, the ratchet device includes a ratchet 14 sleeved on the shaft 8 and a pawl 15 cooperating with the ratchet 14; wherein the pawl 15 is assembled on the mounting plate 1 by a spring limiting assembly. The pawl 15 is assembled on the mounting plate 1 through a spring, and a limit block is arranged in a matching manner; the pawl 15 and the coaxial rotation of axostylus axostyle 8, for example, when axostylus axostyle 8 clockwise rotates, the ratchet back of ratchet 14 rubs mutually with the back of pawl 15, and axostylus axostyle 8 can smoothly rotate, and when axostylus axostyle 8 anticlockwise rotates, the block of pawl 15 is gone into in the ratchet 14 to by the cooperation of stopper, spacing axostylus axostyle 8 is rotatory, thereby vividly demonstrate limit gear's function and theory of motion.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A mechanical multidirectional linear motion demonstration device for physical teaching experiments is characterized in that a mounting plate is arranged; the bottom of the mounting plate is provided with a sucker base, the front surface of the mounting plate is provided with a light-transmitting mounting box, a first mounting cavity and a second mounting cavity are arranged in the mounting box in a layered mode, two first linear rods which correspondingly slide out from two ends in a first direction are arranged in the first mounting cavity, and two second linear rods which correspondingly slide out from two ends in a second direction are arranged in the second mounting cavity;
still include simultaneously with two first linear pole with two second linear pole engaged with's double gear, double gear coaxial coupling has the axostylus axostyle, the axostylus axostyle runs through the mounting panel is connected with the hand wheel, just be provided with the ratchet of its rotation direction of spacing on the axostylus axostyle.
2. The mechanical multidirectional linear motion demonstrating device for physics teaching experiments as claimed in claim 1, wherein said mounting plate is provided with a lifting hole at its upper portion.
3. The mechanical multidirectional linear motion demonstration device for the physics teaching experiment as recited in claim 1, wherein two first sliding grooves are symmetrically arranged on the opposite inner walls of said first installation cavity, said two first linear rods are correspondingly assembled in said two first sliding grooves one to one, and two ends of said two first sliding grooves are opened; two second sliding grooves are symmetrically formed in the inner wall, opposite to the second mounting cavity, of the second mounting cavity, the two second linear rods are assembled in the two second sliding grooves in a one-to-one correspondence mode, and openings are formed in two ends of the two second sliding grooves.
4. The mechanical multidirectional linear motion demonstrating device for physics teaching experiments as claimed in claim 3, wherein said two first linear rods are provided with two first racks on their faces facing each other, and said two second linear rods are provided with two second racks on their faces facing each other; one gear of the double-layer gears is meshed with the two first racks oppositely, and the other gear of the double-layer gears is meshed with the two second racks oppositely.
5. The mechanical multidirectional linear motion demonstrating device for physics teaching experiments as claimed in claim 1, wherein said mounting plate is equipped with a bearing, said shaft rod is sleeved on said bearing.
6. The mechanical multidirectional linear motion demonstration device for physical teaching experiments as claimed in claim 1, wherein the ratchet wheel device comprises a ratchet wheel sleeved on the shaft rod and a pawl matched with the ratchet wheel; wherein the pawl is assembled on the mounting plate through a spring limiting assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911137806.4A CN112825216A (en) | 2019-11-20 | 2019-11-20 | Mechanical multi-direction linear motion demonstration equipment for physical teaching experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911137806.4A CN112825216A (en) | 2019-11-20 | 2019-11-20 | Mechanical multi-direction linear motion demonstration equipment for physical teaching experiment |
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| Publication Number | Publication Date |
|---|---|
| CN112825216A true CN112825216A (en) | 2021-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911137806.4A Pending CN112825216A (en) | 2019-11-20 | 2019-11-20 | Mechanical multi-direction linear motion demonstration equipment for physical teaching experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738974A (en) * | 2021-08-27 | 2021-12-03 | 安徽天沃重工机械有限公司 | Sealing connection device for oil way pipeline of non-road diesel engine |
-
2019
- 2019-11-20 CN CN201911137806.4A patent/CN112825216A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738974A (en) * | 2021-08-27 | 2021-12-03 | 安徽天沃重工机械有限公司 | Sealing connection device for oil way pipeline of non-road diesel engine |
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Application publication date: 20210521 |
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| WD01 | Invention patent application deemed withdrawn after publication |