KR20130005761U - Gear box kit for training - Google Patents

Abstract

A gear box kit for teaching the construction and function of a machine element is disclosed.
The gear box kit includes a front case and a rear case having an inner receiving space having a partition structure to form a motor mounting region in which a motor is installed and a gear mounting region in which gears are installed; A first bevel gear installed on the shaft of the motor; A first power transmission gear that follows the first bevel gear; A second power transmission gear that follows the first power transmission gear; A third power transmission gear driven to the second power transmission gear and having a second driven gear and a third driven gear spaced at predetermined intervals, respectively engaged with the second driving gear and the third driving gear; A handle part coupled to the third axle to move the third axle;
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Description

Gear box kit for training

The present invention relates to a teaching material, and more particularly, to a gearbox kit for learning that can increase the understanding of the construction and operation of the machine element through the assembly and operation of the machine element.

Competitiveness in the 21st century is the power of the creator of knowledge, and that power comes from education. In particular, it is required for secondary students to improve their understanding and adaptability through practical education.

The teaching materials for meeting these demands are widespread, and various teaching materials are spreading in the electronic and mechanical fields.

However, there is no learning textbook designed to improve the understanding and adaptability of the engineering and in particular the configuration and operation of mechanical elements.

The present invention was devised to solve the above problems, and its object is to provide a gearbox kit for students to improve the understanding and adaptability of the configuration and operation of the mechanical element.

Another object of the present invention is to provide a learning gear box kit that can learn about the type and configuration of the gear which is a basic mechanical element.

Gear box kit according to the present invention for achieving the above object

In the gearbox kit for training the construction and function of the mechanical elements,

A front case and a rear case which are combined with each other to form a cube having an inner accommodating space, the inner accommodating space having a partition structure, forming a motor mounting region in which a motor is installed and a gear mounting region in which gears are installed;

A first bevel gear installed on the shaft of the motor;

A second bevel gear is driven on the first bevel gear, and a lower bevel gear is engaged with the first bevel gear, and a first driving gear is formed at the center of the second bevel gear. A first power transmission gear having a first axle penetrating a first drive gear between the front case and the rear case;

First and second driven gears driven to the first power transmission gear and driven in the center of the first driving gear, respectively, and second and third driving gears having different gear ratios on the upper and lower portions of the second driving gear. A second power transmission gear having a gear formed therein, wherein a second axle penetrating the first driven gear, the second driving gear, and the third driving gear is inserted between the front case and the rear case;

A second driven gear and a third driven gear driven to the second power transmission gear, respectively engaged with the second driving gear and the third driving gear and spaced apart from each other by a predetermined interval, are formed. A third power transmission gear having a third axle penetrating three driven gears installed through the front case and the rear case; And

A handle part coupled to the third axle to selectively engage the second driving gear and the second driven gear or the third driving gear and the third driven gear by moving the third axle;

And a control unit.

Here, it is preferable to further include a third bevel gear meshed with the second bevel gear and having a fourth axle in a direction perpendicular to the first axle.

Meanwhile,

It is preferable that grooves are formed on each of the front case and the rear case so that a viewing window for observing the inner accommodation space is formed by combining the front case and the rear case.

In addition, the front case is preferably formed of a transparent material.

In addition, a columnar handle support rod protruding from the bottom surface of the rear case is formed;

Preferably, the handle part is formed with a through hole into which the handle support rod is inserted when the front case and the rear case are combined.

On the other hand, a first groove portion for forming an insertion hole into which a motor shaft of a motor mounted in the motor mounting region is inserted is formed on a wall surface of the front mounting side of the motor mounting region side, and a first axle fixing hole and The second axle fixing hole and the third axle fixing hole are formed to have a predetermined interval in a line in the longitudinal direction, and extend upwardly from the bottom surface near the wall surface on the side of the motor mounting region, and the seventh axle fixing hole is formed. A 3 bevel gear base is formed, and a first handle guide groove is formed on the upper surface of the gear mounting region opposite to the motor mounting region to slide the handle portion.

On the wall surface of the motor mounting area side of the rear case, a second groove engaging with the first groove is formed to form an insertion hole into which the motor shaft of the motor mounted in the motor mounting area is inserted. A fourth axle fixing hole, a fifth axle fixing hole and a sixth axle fixing hole are formed at positions corresponding to the first axle fixing hole, the second axle fixing hole and the third axle fixing hole of the case, and an eighth upper surface thereof is formed. An axle fixing hole is formed, and a second handle guide hole which is engaged with the first handle guide hole on the opposite side of the motor mounting region on the upper surface is formed.

Gear box according to the present invention has the effect of providing a gear box that can perform a low-speed and high-speed conversion by the handle operation.

1 is a perspective view showing the appearance of a gear box kit according to the present invention.
FIG. 2 shows a top view, back view, front view, right side view and left side view showing the device shown in FIG. 1.
3 shows a gear engagement of the apparatus shown in FIG. 1.
4 illustrates a state in which the front case is removed in the apparatus shown in FIG. 1.
FIG. 5 shows a partial view of the rear case and the first power transmission gear 806 separated in the apparatus shown in FIG.
Figure 6 shows a top view, a rear view and a front view showing an extract of the coupling state of the gears to the gear box kit according to the invention.
FIG. 7 shows a detailed configuration of the handle shown in FIG. 6.
8 is a perspective view illustrating an inner shape of the rear case illustrated in FIG. 1.
FIG. 9 is a perspective view illustrating an inner shape of the front case illustrated in FIG. 1.
10 is an exploded perspective view of the device shown in FIG. 1.
11 shows another embodiment of a gear box kit according to the present invention.

1 is a perspective view showing the appearance of a gear box kit according to the present invention.

Referring to FIG. 1, the gear box kit 100 according to the present invention is combined with each other to form a cube having an inner receiving space, and has a compartment structure to form a motor mounting region 210 and a gear mounting region 220. The front case 200 and the rear case 300 are included. The front case 200 and the rear case 300 are engaged by engagement and screws, and form a gear mounting region 210 and a motor mounting region 220 that are isolated from each other in a compartment structure in an inner receiving space accommodated by them. do.

The material of the front case 200 and the rear case 300 may be plastic or the like, and may be manufactured by a press mold or the like.

The fourth axle 250 and the handle 240 are positioned on an upper surface of the rear case 300 of the gear box kit 100, and the third axle 230 penetrating back and forth through the gear box kit 100 is positioned.

The third axle 230 is moved back and forth of the gear box kit 100 by the manipulation of the handle 250. When the third axle 230 is moved to the front of the gear box kit 100 by operating the handle 250, the third axle 230 rotates at a low speed, and the third axle is rear of the gear box kit 100. When moved to the third axle 230 rotates at a high speed.

Gears for generating driving force are installed in the gear mounting region 220 and the third axle 230 and the fourth axle 240, and the gear mounted region 210 drives the gear mounted in the gear mounting region 210. A motor (not shown) is installed;

Between the fourth axle 240 and the handle 250 of the upper surface of the gear mounting area 210 is provided a see-through window (100a) to look at the internal gear drive state.

FIG. 2 shows a top view, back view, front view, right side view and left side view showing the device shown in FIG. 1.

3 shows a gear engagement of the apparatus shown in FIG. 1. Among the devices shown in FIG. 3, except for the motor 802, the gear mounting area 210 is mounted in an internal accommodation space formed by the combination of the front case 200 and the rear case 300.

Referring to FIG. 3, the gear mounting area 210 of the gear box kit 100 includes a first bevel gear 804, a first power transmission gear 806; 806a to 806c, and a second power transmission gear 808; 808a. 808d), third power transmission gears 810; 810a to 810b 230, and fourth bevel gears 812 are installed.

The first power transmission gear 806 includes a second bevel gear 806a meshing with the first bevel gear 804, a first driving gear 806b installed on a center upper surface of the second bevel gear 806a, and a first bevel gear 806a. An axle 806c.

The second power transmission gear 808 is installed at the upper and lower portions of the first driven gear 808a and the first driven gear 808a respectively engaged with the first drive gear 806b of the first power transmission gear 806. And second and third drive gears 808b and 808c and second axles 808d. The second drive gear 808b is not shown in FIG. 3 because it is behind the first driven gear 808a.

The third power transmission gear 810 is the second driven gear 810a and the second driven gear 810b which may be engaged with the second and third driving gears 808b and 808c of the second power transmission gear 808, respectively. And a third axle 230.

The third bevel gear 812 is meshed with the second bevel gear 806a of the first power transmission gear 806 and is installed in a direction perpendicular to the first axle 806c.

4 illustrates a state in which the front case is removed in the apparatus shown in FIG. 1. Referring to FIG. 4, it can be seen that the inner accommodating space of the gear box kit 100 is divided into the gear mounting region 210 and the motor mounting region 220 by the partition wall structure.

In the gear mounting area 210, a first power transmission gear 806, a second power transmission gear 808, a third power transmission gear 810, a third bevel gear 812, and a handle 250 are installed. On the other hand, the motor 802 is mounted in the motor mounting area 220.

Here, it can be seen that the first power transmission gear 806, the second power transmission gear 808, and the third power transmission gear 810 are supported by the rear case 300 and the front case 200. On the other hand, it can be seen that the third bevel gear 812 is supported by the upper surface of the gear box kit (100).

Handle support rods 300e and 300f are provided to support the handle 250. The handle supporting rods 300e and 300f have a cylindrical shape protruding from the bottom of the rear case 300 and are fitted into the through holes 250c and 250d of the handle 205, respectively. When the handle 250 slides, the handle supporting rods 300e and 300f support the handle 250.

FIG. 5 shows a partial view of the rear case and the first power transmission gear 806 separated in the apparatus shown in FIG. Referring to FIG. 5, a second driving gear 808b is installed behind the first driven gear 808a in the second power transmission gear 808.

Meanwhile, it is shown that the third bevel gear 812 is supported by the third bevel gear pedestal 204. The third bevel gear base 204 supports the third bevel gear 812 so as not to be separated from the second bevel gear 806a, and the fourth axle support hole 204a for supporting the fourth axle 240. It includes.

Referring to Figures 3 to 5 the operation of each gear in the gear box kit 100 according to the present invention in detail as follows.

When the motor 802 rotates, the first bevel gear 804 provided on the shaft of the motor 802 rotates, so that the second bevel gear 806a meshed with the first bevel gear 804 rotates.

When the second bevel gear 806a rotates, the first drive gear 806b installed on the center upper surface of the second bevel gear 806a rotates, and thus the first driven gear meshed with the first drive gear 806b. 808a rotates.

When the first driven gear 808a rotates, the second and third driving gears 808b and 808c respectively formed on the bottom and top surfaces of the first driven gear 808a rotate.

The second driving gear 808b and the third driving gear 808c may be selectively engaged with the second driven gear 810a and the third driven gear 810b, respectively.

The third axle 230 is moved back and forth of the gear box kit 100 by the operation of the handle 250, so that the second drive gear 808b and the third drive gear 808c are respectively driven by the second driven gear ( 810a) and the third driven gear 810b may be selectively engaged.

When the third axle 230 is moved to the front of the gear box kit 100 by operating the handle 250, the second driven gear 810a is meshed with the second drive gear 808b to form the third axle 230. When the third axle 230 rotates at a low speed and the third axle 230 is moved to the rear of the gear box kit 100, the third driven gear 810c is engaged with the third drive gear 810c so that the third axle 230 is rotated. Rotate at high speed

The third bevel gear 812 may provide a fourth axle 250 installed at a right angle with respect to the third axle 230.

The second driven gear 810b and the third driven gear 810c are firmly coupled to the third axle 230, and the bridges 250c and 250d of the handle 250 are the second driven gear 810b and the third. Since the third power transmission gear 810 is regulated by contacting the outer surface of the driven gear 810c, the third power transmission gear 810 moves forward and backward of the gear box kit 100 according to the sliding movement of the handle 250. It is moved.

The third axle 230 is designed to have a sufficient length so that the third power transmission gear 810 can move with sufficient clearance according to the sliding width of the handle 250.

Figure 6 shows a top view, a rear view and a front view showing an extract of the coupling state of the gears to the gear box kit according to the invention.

Referring to FIG. 6, the second driven gear 810a and the third driven gear 810b are spaced apart from each other on the third axle 230. It can be seen that the gear ratio (gear ratio A) of the second driving gear 808b and the second driven gear 810a and the gear ratio (gear ratio B) of the third driving gear 808c and the third driven gear 810b are different from each other. . That is, since the gear ratio A is smaller than the gear ratio B, it can be seen that the low speed rotation state is realized by the second driven gear 810b, and the high speed rotation state is realized by the third driven gear 810c.

On the other hand, the handle 250 is provided to slide in a state in which the second driven gear 810b and the third driven gear 810b are regulated. Accordingly, it can be seen that the third axle 230 can be in a low speed rotation state or a high speed rotation state by sliding the handle 250 in the axial direction of the third axle 230.

FIG. 7 shows a detailed configuration of the handle shown in FIG. 6. Referring to FIG. 7, the handle 250 includes a knob 250a, a body 250b, and bridges 250c and 205d. The through holes 250e and 250f are formed in the body 250b.

The handle 250 is regulated between the first and second guide holes (200g, 300g, not shown) and slides back and forth, and according to the sliding movement of the handle 250, the third power transmission gear 810 is a gear box kit (100). Sliding back and forth). Both sides of the handle 250 have protruding bridges 250c and 250d having a “c” shape, which are the outer surfaces of the second driven gear 810b and the third driven gear 810c. In contact with the to control the position of the third power transmission gear 810 during the sliding movement of the handle 250.

Since the knob 250a is coupled to the body 250b, the handle 250 may be slid by pushing or pulling the knob 250a. The through holes 250e and 205f are inserted into the handle supporting rods 300e and 300f (not shown) formed in the rear case 300. The handle 250 slides in a state of being supported by the handle supporting rods 300e and 300f inserted into the through holes 250e and 205f.

The bridges 250e and 250f are for regulating the second driven gear 810b and the third driven gear 810c. When the handle 250 slides, the third power transmission gear 810 is pushed or pulled while the bridges 250e and 250f regulate the second driven gear 810b and the third driven gear 810c.

8 is a perspective view illustrating an inner shape of the rear case illustrated in FIG. 1.

Referring to FIG. 8, it can be seen that the rear case 300 forms the motor mounting region 220 and the gear mounting region 210 by the compartment structure. In order to form an insertion hole into which the shaft of the motor 802 mounted in the motor mounting region 220 is inserted into the gear mounting region 210, a recess 300a is formed at the upper left wall surface of the rear case 300. The groove portion 300a forms an insertion hole into which the shaft of the motor 802 is inserted together with the groove portion 200a of the front case 200 to be described later.

First to third axle support holes 300b to 300d for supporting the first to third axles 806c, 810d, and 230 are formed on a bottom surface of the rear case 300, and a fourth axle is formed on the top surface of the rear case 300. A fourth axle support hole 300h for supporting the 240 is formed.

On the other hand, the bottom surface of the rear case 300 is formed with a cylindrical handle supporting rods 300e, 300f protruding upward. The handle supporting rods 300e and 300f are fitted into the through holes 250e and 2505f formed on the upper and lower portions of the body 250b of the handle 250. When the handle 250 is slid, the handle 250 is supported by the handle supporting rods 300e and 300f fitted to the through holes 250e and 250f.

In addition, the groove 300g for forming the viewing window 100a is formed on the upper surface of the rear case 300. The groove 300g forms a viewing window 100a through which the inside of the gear mounting area 210 can be observed together with the groove 200g of the front case 200.

FIG. 9 is a perspective view illustrating an inner shape of the front case illustrated in FIG. 1.

Referring to FIG. 9, it can be seen that the motor mounting region 220 and the gear mounting region 210 are formed by the compartment structure in the front case 200. In order to form an insertion hole through which the shaft of the motor 802 mounted in the motor mounting region 220 is inserted into the gear mounting region 210, a recess 200a is formed at the upper left wall surface of the front case 200. The groove portion 200a forms an insertion hole into which the shaft of the motor 802 is inserted together with the groove portion 300a of the rear case 300 described above.

The fifth to seventh axle support holes 200b to 200d for supporting the first to third axles 806c, 810d, and 230 are formed on the bottom surface of the front case 200, and the fourth axle 250 ), The third bevel gear base 204 for supporting from below protrudes upward. A fourth axle support hole 204a on which the fourth axle 240 is supported is formed in the third bevel gear base 204. The fourth axle 240 is placed between the fourth axle support hole 300h and the third bevel gear pedestal 204 formed on the upper surface of the rear case 300.

In addition, a groove portion 200g for forming the see-through window 100a is formed on the upper surface of the front case 200. The groove portion 200h forms a viewing window 100a through which the inside of the gear mounting area 210 can be observed together with the groove portion 300g of the rear case 300 described above.

10 is an exploded perspective view of the device shown in FIG. 1.

Referring to FIG. 10, the first bevel gear 804 is coupled to the shaft of the motor 802. The first power transmission gear 806 is supported by the first axle support hole 200b of the front case 200 and the fifth axle support hole 300b of the rear case 300. The second power transmission gear 808 is supported by the second axle support hole 200c of the front case 200 and the sixth axle support hole 300c of the rear case 300. The third power transmission gear 810 is supported by the third axle support hole 200d of the front case 200 and the seventh axle support hole 300d of the rear case 300.

The handle 250 is installed between the second driven motor 810a and the third driven motor 810b of the third power transmission gear 810. In FIG. 10, the distance between the second driven motor 810a and the third driven motor 810b of the third power transmission gear 810 is different from that shown in FIG. 8, but this is intentionally intended to facilitate the assembly process. This is because it is shown wider than it actually is.

11 shows another embodiment of a gear box kit according to the present invention.

As shown in FIG. 11, the front case 200 is formed of a transparent material as compared with the device of FIG. 1. By forming the front case 200 with a transparent material, it is possible to easily examine the configuration and operation of the gears mounted on the gear mounting area 210.

Gear box kit according to the present invention is prefabricated so that students can simply configure, has the effect of allowing students to easily grasp the configuration of the mechanical element.

The gear box kit according to the present invention has an effect of allowing students to easily grasp the operation of the mechanical element by forming a window for observing the internal gear movement or by forming the front case as a transparent.

100 ... gearbox kit
200 ... Front Case 300 ... Rear Case
230 ... 3rd Axle 240 ... 4th Axle
250 ... handle

Claims (7)

In the gearbox kit for training the construction and function of the mechanical elements,
A front case and a rear case which are combined with each other to form a cube having an inner accommodating space, the inner accommodating space having a partition structure, forming a motor mounting region in which a motor is installed and a gear mounting region in which gears are installed;
A first bevel gear installed on the shaft of the motor;
A second bevel gear is driven on the first bevel gear, and a lower bevel gear is engaged with the first bevel gear, and a first driving gear is formed at the center of the second bevel gear. A first power transmission gear having a first axle penetrating a first drive gear between the front case and the rear case;
First and second driven gears driven to the first power transmission gear and driven in the center of the first driving gear, respectively, and second and third driving gears having different gear ratios on the upper and lower portions of the second driving gear. A second power transmission gear having a gear formed therein, wherein a second axle penetrating the first driven gear, the second driving gear, and the third driving gear is inserted between the front case and the rear case;
A second driven gear and a third driven gear driven to the second power transmission gear, respectively engaged with the second driving gear and the third driving gear and spaced apart from each other by a predetermined interval, are formed. A third power transmission gear having a third axle penetrating three driven gears installed through the front case and the rear case; And
A handle part coupled to the third axle to selectively engage the second driving gear and the second driven gear or the third driving gear and the third driven gear by moving the third axle;
Gear box kit comprising a.
The method of claim 1,
And a third bevel gear meshed with the second bevel gear and having a fourth axle in a direction perpendicular to the first axle.
The method of claim 1,
Gear box kit, characterized in that the groove is formed in the upper portion of each of the front case and the rear case to form a viewing window for observing the inner receiving space by combining the front case and the rear case.
The method of claim 3,
The front case is a gear box kit, characterized in that formed of a transparent material.
The method of claim 1,
A columnar handle support bar protruding from the bottom surface of the rear case is formed; And
Gear box kit, characterized in that the handle portion is formed with a tube hole into which the handle support rod is inserted when the front case and the rear case is coalesced.
The method of claim 1,
The first groove portion for forming an insertion hole into which the motor shaft of the motor mounted in the motor mounting region is inserted is formed in the wall surface of the front case side of the motor mounting region side, and the first axle fixing hole and the second axle shaft in the bottom surface. A third bevel formed with a fixing hole and a third axle fixing hole having a predetermined distance in a line in the longitudinal direction, extending upwardly from the bottom surface near the wall surface of the motor mounting region side, and having a seventh axle fixing hole formed therein; A gear pedestal is formed, and a first handle guide groove in which the handle part is slid is formed on an upper surface of the gear mounting area opposite to the motor mounting area.
On the wall surface of the motor mounting area side of the rear case, a second groove engaging with the first groove is formed to form an insertion hole into which the motor shaft of the motor mounted in the motor mounting area is inserted. A fourth axle fixing hole, a fifth axle fixing hole and a sixth axle fixing hole are formed at positions corresponding to the first axle fixing hole, the second axle fixing hole and the third axle fixing hole of the case, and an eighth upper surface thereof is formed. Axle fixing hole is formed, the gear box kit, characterized in that the second handle guide hole which is engaged with the first handle guide hole on the opposite side to the motor mounting area of the upper surface.
A gear box kit for teaching the configuration and function of a mechanical element, the gear box kit comprising a housing having a motor mounting area in which a motor is installed and an inner receiving space in which a gear mounting area in which gears are installed are formed in a partition structure,
The housing includes a front case and a rear case are joined to each other to form the inner receiving section,
The first groove portion for forming an insertion hole into which the motor shaft of the motor mounted in the motor mounting region is inserted is formed in the wall surface of the front case side of the motor mounting region side, and the first axle fixing hole and the second axle shaft are formed in the bottom surface. A third hole in which the fixing hole and the third axle fixing hole are formed to have a predetermined interval in a line in the longitudinal direction, and are extended upward from the bottom surface adjacent to the wall surface on the side of the motor mounting region and having the fourth axle fixing hole formed therein; Bevel gear support is formed, the first guide groove is formed on the opposite side to the motor mounting area of the upper surface,
On the wall surface of the motor mounting area side of the rear case, a second groove is formed to be engaged with the first groove to form an insertion hole into which the motor shaft of the motor mounted in the motor mounting area is inserted. A fourth axle fixing hole, a fifth axle fixing hole and a sixth axle fixing hole are formed at positions corresponding to the first axle fixing hole, the second axle fixing hole and the third axle fixing hole of the case, and an eighth upper surface thereof is formed. An axle fixing hole is formed, and a second guide hole engaged with the first guide hole is formed on the upper side opposite to the motor mounting region;
A first bevel gear installed on a motor shaft extending through the insertion hole to the gear mounting region;
A first bevel gear that is driven to the first bevel gear and meshes with the first bevel gear is provided at the bottom, and a first drive gear is formed at the top, and the first bevel gear and the first drive gear penetrate the first bevel gear. A first power transmission gear having an axle fixed by the first axle fixing hole and the fourth axle fixing hole;
First and second driven gears driven to the first power transmission gear and driven in the center of the first driving gear, respectively, and second and third driving gears having different gear ratios on the upper and lower portions of the second driving gear. A second power transmission gear having a gear formed therein, wherein a second axle penetrating the first driven gear, the second driving gear and the third driving gear is supported by the second axle fixing hole and the fourth axle fixing hole;
A third bevel gear meshed with the second bevel gear and supported by the seventh and eighth axle fixing holes;
The second driven gear and the third driven gear meshed with the second driving gear and the third driving gear, respectively, are spaced at predetermined intervals, and a third axle penetrating the second driven gear and the third driven gear is formed. A third power transmission gear having a third axle supported by the third axle fixing hole and the fourth axle fixing hole; And
It is coupled to the third axle and moved between the guide hole formed by the first guide hole and the second guide hole to move the third axle, so that the second drive gear and the second driven gear or the third drive gear A handle part for selectively engaging the third driven gear;
Gear box kit comprising a.

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