WO2022104884A1

WO2022104884A1 - Radial engine display device

Info

Publication number: WO2022104884A1
Application number: PCT/CN2020/132448
Authority: WO
Inventors: 王瑞; 陈文强
Original assignee: 唐山维数科技有限公司
Priority date: 2020-11-19
Filing date: 2020-11-27
Publication date: 2022-05-27
Also published as: CN112331055A

Abstract

Disclosed is a radial engine display device, comprising an impeller and a main body; a transmission assembly mounted on the main body, the transmission assembly comprising a main shaft, a crankshaft member and a bearing member, two ends of the main shaft being respectively connected to the impeller and the crankshaft member, and the bearing member being provided between two ends of the main shaft in a penetrating manner and fixing the main shaft on the main body; and a piston assembly mounted on the main body, the piston assembly comprising a piston and a connecting rod, one end of the connecting rod being hinged to the piston, and the other end being connected to the crankshaft member, the crankshaft member being rotated by means of the rotation of the main shaft, and the connecting rod driving the piston to perform reciprocating motion under the driving of the crankshaft member.

Description

Radial engine display

【Technical field】

The invention relates to the field of mechanical science popularization devices, in particular to a display device of a radial engine.

【Background technique】

An engine is a machine that can convert other forms of energy into mechanical energy. For example, an internal combustion engine usually converts chemical energy into mechanical energy. It is mainly composed of cylinder block, piston, spark plug, fuel injector, crank connecting rod and other mechanisms. Convert energy into torque output to drive equipment operation.

At present, the study of engine structure mainly uses slides, photos, videos or some real objects or models to explain. Due to the limitation of course arrangement and time, students cannot fully understand and repeatedly learn and memorize the structure of the engine. Not impressed, the professional name is vague, and the interest in learning is not strong. Especially when teenagers who are beginners are actually facing the complex engine structure, it is difficult to fully understand it as a whole, resulting in a lack of intuitive understanding.

[Content of the invention]

The invention provides a display device for a radial engine, which can better realize the effect of presenting teaching.

A display device for a radial engine provided according to the present invention includes: an impeller and a main body; a transmission assembly mounted on the main body, the transmission assembly including a main shaft, a crankshaft and a bearing part, two ends of the main shaft are respectively Connected with the impeller and the crankshaft, the bearing is inserted between the two ends of the main shaft and fixes the main shaft on the main body; the piston assembly installed on the main body, so The piston assembly includes a piston and a connecting rod, one end of the connecting rod is hinged with the piston, and the other end is connected with the crankshaft member; wherein the crankshaft member is rotated by the rotation of the main shaft, and the connecting rod is rotated at the Driven by the crank member, the piston reciprocates.

In one embodiment, the connecting rod includes a first connecting rod and a second connecting rod, and the piston is provided with at least two or more; wherein the first ends of the first connecting rod and the second connecting rod are respectively connected with the The piston is hinged, the second end of the first connecting rod is connected with the central axis of the crankshaft member, the second end of the second connecting rod is connected at a position away from the central shaft on the crankshaft member, the The first connecting rod and the second connecting rod are driven by the crank member to reciprocate the piston.

In one embodiment, the piston assembly includes five of the pistons, one of the first connecting rod and four of the second connecting rod.

In one embodiment, the crankshaft member includes a crankshaft portion and a disc portion, and the first and second connecting rods are disposed between the crankshaft portion and the disc portion.

In one embodiment, the first link is provided with a connecting hole, and the connecting hole is configured to connect an elastic mechanism so that the first link can return to the initial position when it does not move.

In one embodiment, the body includes a front plate and a rear plate, the front plate is adjacent to the impeller, and a first chamber and a second chamber are disposed between the front plate and the rear plate; wherein the The crank member is arranged in the first chamber, and the piston is arranged in the second chamber.

In one embodiment, one end of the piston is connected with the first connecting rod, and the other end is abutted with an elastic element disposed in the second chamber, so that the first connecting rod returns to the initial state when it does not move Location.

In one embodiment, the bearing member is arranged in a cam shape, and the bearing member penetrates the front plate to fix the main shaft.

In one embodiment, the display aid includes a fixing rod disposed on the front plate to fix the bearing member.

In one embodiment, the display aid includes a drive assembly connected to the main shaft and driving the main shaft to rotate.

Through the display device of the radial engine in the present invention, the students can intuitively observe the movement process and principle of the engine, and can increase the students' interest in the movement mechanism of the engine.

【Description of drawings】

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is a three-dimensional schematic diagram (1) of a display device of a radial engine;

Figure 2 is a schematic perspective view (2) of a display device for a radial engine;

Fig. 3 is the structural representation (1) of the display device in Fig. 1;

Fig. 4 is the structural representation (two) of the display device in Fig. 1;

Fig. 5 is the structural representation (three) of the display device in Fig. 1;

6 is a schematic cross-sectional view of the display device in FIG. 1;

FIG. 7 is a schematic structural diagram (1) of the first chamber and the second chamber of the display device in FIG. 1;

FIG. 8 is a schematic structural diagram (2) of the first chamber and the second chamber of the display device in FIG. 1;

FIG. 9 is a schematic structural diagram (1) of the transmission assembly of the display device in FIG. 1;

FIG. 10 is a schematic structural diagram (2) of the transmission assembly of the display device in FIG. 1;

Figure 11 is a schematic cross-sectional view of the transmission assembly of the device shown in Figure 1;

In the attached picture:

100 is the radial engine display device, 200 is the impeller, 1 is the main body, 2 is the transmission assembly, 3 is the piston assembly, 4 is the crankshaft, 5 is the piston, 6 is the connecting rod, 7 is the base, and 8 is the first insert. Connecting plate, 9 is the second plug plate, 10 is the main shaft, 11 is the first chamber, 12 is the second chamber, 13 is the front plate, 14 is the rear plate, 15 is the bearing piece, 16 is the fixing rod, 17 It is a hollow cylinder, 18 is the first pin, and 19 is the second pin.

【Detailed ways】

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. Most of the components in the embodiment can be installed in a detachable manner, which is convenient for teenagers to learn the structure and working principle of the robot by installing the robot by themselves.

Figure 1 is a schematic perspective view (1) of a display device for a radial engine, Figure 2 is a schematic perspective view (2) of a display device for a radial engine, and Figure 3 is a schematic structural diagram of the display device in Figure 1 (1) , FIG. 4 is a schematic structural diagram (two) of the display device in FIG. 1, FIG. 5 is a schematic structural diagram (three) of the display device in FIG. 1, FIG. 6 is a schematic cross-sectional view of the display device in FIG. 1, and FIG. 7 is shown in FIG. 1 Schematic diagram of the structure of the first chamber and the second chamber of the device (1), FIG. 8 is a schematic diagram of the structure of the first chamber and the second chamber of the device shown in FIG. 1 (2), as shown in FIG. 1, FIG. 2, As shown in Figure 3, Figure 4, Figure 5, Figure 6, Figure 7 and Figure 8:

In this embodiment, a radial engine display device 100 is provided, including: an impeller 200 , a main body 1 , a transmission assembly 2 and a piston assembly 3 .

The main body 1 includes a front panel 13 and a rear panel 14, which can be optionally made of transparent materials for easy observation. The front plate 13 is close to the impeller 200, and a first chamber 11 and a second chamber 12 are provided between the front plate 13 and the rear plate 14, wherein the second chamber 12 imitates the cylinder of an engine for teaching demonstration.

Preferably, the display device 100 further includes a base 7 , and the front panel 13 and the rear panel 14 are respectively mounted on the base 7 through the supporting feet 71 , or can be directly plugged into the base 7 .

The transmission assembly 2 includes a main shaft 10 and a crankshaft member 4 . Two

ends

101 and 102 of the main shaft 10 are respectively connected with the impeller 200 and the crankshaft member 4 , and the crankshaft member 4 is arranged in the first chamber 11 .

Piston assembly 3, the piston assembly 3 includes a piston 5 and a connecting rod 6, the piston 5 is arranged in the second chamber 12, one end 6a of the connecting rod 6 is hinged with the piston 5, and the other end 6b is connected with the crankshaft member 4; wherein the crankshaft member 4 Rotated by the rotation of the main shaft 10 , the connecting rod 6 is driven by the crankshaft member 4 to make the piston 5 reciprocate in the second chamber 12 .

Specifically, as shown in FIGS. 7 and 8 , in this embodiment, the number of pistons 5 , connecting rods 6 and the second chambers 12 are respectively set to five, or six groups of pistons 5 , connecting rods 6 and 12 can also be designed according to teaching requirements. The second chamber 12 .

As mentioned above, during the display, as long as the impeller 200 is rotated to drive the main shaft 10 to rotate, the crank member 4 can be driven to rotate, and the connecting rod 6 is driven by the crank member 4 to make the piston 5 reciprocate in the second chamber 12 , so as to simulate the working state of the cylinder in the engine.

In this embodiment, the above-mentioned main body 1 is installed with detachable components. Specifically, the display device 100 includes: a first plug-in board 8 and a second plug-in board 9; a first plug-in board 8 and a second plug-in board 8 A first plug 18 and a second plug 19 are respectively provided on the connecting plate 9. The first plug 18 is set to pass through the plug hole 130 on the front plate 13 during installation, and the second plug 19 is set to pass through the plug hole 130 when installed. Pass through the insertion hole 140 on the rear plate 14 .

In a preferred solution, as shown in FIGS. 4 and 5 , the display device 100 includes: a hollow cylinder 17 installed between the first plug board 8 and the second plug board 9 to form a second chamber 12. There are five groups of hollow cylinders 17 , the first plug-in board 8 and the second plug-in board 9 . Correspondingly, as mentioned above, the five first plug-in boards 8 are surrounded and installed between the front board 13 and the rear board 14 to form the first chamber 11 , all of which are installed with detachable components, which is convenient for students to splicing by hands Installation can deepen the impression.

In order to ensure the stability of the installation structure, the display device also includes: a bearing member 15 and a fixing rod 16; the bearing member 15 is passed through the main shaft 10 to fix the main shaft 10 on the front plate 13, and the fixing rod 16 is arranged on the front plate 13. In order to fix the bearing member 15, it can ensure the stable rotation of the main shaft 10.

Preferably, as shown in the figures, in one embodiment, the first latch 18 is provided with an opening 180 , and the fixing rod 16 is arranged to pass through the opening 180 .

Preferably, an end of the front plate 13 away from the bearing member 15 is provided with a slot 131 , the fixing rod 16 includes a long rod portion 161 and a clip portion 162 , and the clip portion 162 is configured to be clipped in the slot 131 during installation. As shown in the figure, the long rod portion 161 and the engaging portion 162 are designed in an "L" shape.

The radial engine display device 100 in this embodiment, the transmission assembly 2 and the piston assembly 3 are mounted on the main body 1, wherein the impeller 200, the transmission assembly 2 and the piston assembly 3 can combine the above-mentioned features without conflict, It can also be displayed independently of the main body 1 .

FIG. 9 is a schematic structural diagram (1) of the transmission assembly of the display device in FIG. 1 , FIG. 10 is a structural schematic diagram (2) of the transmission assembly of the display device in FIG. 1 , and FIG. 11 is a cross-sectional schematic diagram of the transmission assembly of the display device in FIG. 1 . , as shown in Figure 7, Figure 8, Figure 9, Figure 10 and Figure 11:

The transmission assembly 2 includes a main shaft 10, a crankshaft member 4 and a bearing member 15. Both ends 101 and 102 of the main shaft 10 are respectively connected to the impeller 200 and the crankshaft member 4. The bearing member 15 passes between the two ends of the main shaft 10 and connects the main shaft 10 to the shaft. fixed on the main body 1.

Preferably, the crankshaft member 4 includes a crankshaft portion 41 and a disc portion 42, and the first connecting rod 61 and the second connecting rod 62 are arranged between the crankshaft portion 41 and the disc portion 42, and this design can better connect the first connecting rod The rod 61 and the second connecting rod 62 are mounted on the crank member 4 .

Piston assembly 3, the piston assembly 3 includes a piston 5 and a connecting rod 6, one end 6a of the connecting rod 6 is hinged with the piston 5, and the other end 6b is connected with the crankshaft member 4; wherein the crankshaft member 4 is rotated by the rotation of the main shaft 10, and the connecting rod 6 is driven by the crankshaft member 4 to make the piston 5 reciprocate.

In the teaching demonstration, driving components can be flexibly added, which can be connected to the main shaft 10 and drive the main shaft 10 to rotate. For example, a motor and a belt are used to drive the main shaft to rotate, or in the above embodiment, the main shaft is extended from the rear plate, and a crank handle is used to drive the main shaft to rotate.

In this embodiment, the connecting rod 6 includes a first connecting rod 61 and a second connecting rod 62, and at least two pistons 5 are provided; They are respectively hinged to the piston 5, the second end 61b of the first connecting rod 61 is connected to the central shaft 40 of the crankshaft member 4, and the second end 62b of the second connecting rod 62 is connected to the crankshaft member 4 at a position away from the central shaft 40, The first connecting rod 61 and the second connecting rod 62 are driven by the crank member 4 to reciprocate the piston 5 . As shown in the figure, the size of the first link 61 is larger than that of the second link 62 .

Specifically, as shown in FIG. 9 , the piston plug assembly 3 includes five pistons 5 , one first connecting rod 61 and four second connecting rods 62 .

In order to further increase the display effect, the display teaching aid also has a reset function. The first connecting rod 61 is provided with a connecting hole 610, and the connecting hole 610 is set to connect the elastic mechanism so that the first connecting rod 61 can return to the original state when it does not move. Location. The simple setting can use elastic members such as rubber bands or springs to connect the main body 1 through the connecting hole 610, so that after the demonstration, the first connecting rod and the piston can both return to their original positions, and then drive the crankshaft member 4 to make the other second connecting rods. and the piston returns to its original position.

In this embodiment, specifically, the main body 1 includes a front plate 13 and a rear plate 14, the front plate 13 is close to the impeller 200, and a first chamber and a second chamber are provided between the front plate 13 and the rear plate 14; wherein the crankshaft The element 4 is arranged in the first chamber 11 and the piston 5 is arranged in the second chamber 12 .

In one solution, which is not shown in the figure, one end of the piston 5 is connected with the first connecting rod 61, and the other end is abutted with the elastic element, so that the first connecting rod 61 returns to the initial position when it does not move. An elastic element (spring) can be arranged in the second chamber 12 to abut against the piston 5. After the demonstration, the piston 5 is subjected to the restoring force of the elastic element to make the first connecting rod 61 return to the initial position, thereby driving the crankshaft. 4 to return the other second connecting rod 62 and the piston 5 to the initial position.

As shown in the figure, in order to ensure the stability of the installation structure, the bearing member 15 is arranged in a cam shape, and the bearing member 15 is penetrated on the front plate 13 to fix the main shaft 10 .

The display device is also provided with a fixing rod 16, the bearing member 15 is penetrated on the main shaft 10 to fix the main shaft 10 on the front plate 13, and the fixing rod 16 is arranged on the front plate 13 to fix the bearing member 15, which can ensure the main shaft 10. 10 Turns steadily.

The various specific embodiments described above and shown in the accompanying drawings are only used to illustrate the present invention, but not all of the present invention. Within the scope of the basic technical idea of the present invention, any form of modification made by those of ordinary skill in the relevant technical field to the present invention is within the protection scope of the present invention.

Claims

A radial engine display device, characterized in that it includes:

The impeller (200) and the main body (1);

A transmission assembly (2) mounted on the main body (1), the transmission assembly (2) comprising a main shaft (10), a crankshaft member (4) and a bearing member (15), two ends of the main shaft (10) (101, 102) are respectively connected with the impeller (200) and the crankshaft (4), the bearing (15) is inserted between the two ends (101, 102) of the main shaft (10), and the main shaft (10) is fixed on the main body (1);

A piston assembly (3) mounted on the main body (1), the piston assembly (3) comprising a piston (5) and a connecting rod (6), one end (6a) of the connecting rod (6) being connected to the The piston (5) is hinged, and the other end (6b) is connected with the crankshaft member (4);

The crank member (4) is rotated by the rotation of the main shaft (10), and the connecting rod (6) is driven by the crank member (4) to reciprocate the piston (5). .
The display device of claim 1, wherein:

The connecting rod (6) includes a first connecting rod (61) and a second connecting rod (62), and at least two of the pistons (5) are provided;

The first ends (61a, 62a) of the first connecting rod (61) and the second connecting rod (62) are respectively hinged with the piston (5), and the second end of the first connecting rod (61) (61b) is connected to the central shaft (40) of the crank member (4), and the second end (62b) of the second connecting rod (62) is connected to the crank member (4) away from the central shaft (40), the first connecting rod (61) and the second connecting rod (62) are driven by the crank member (4) to make the piston (5) reciprocate.
The display device of claim 2, wherein:

The piston assembly (3) includes five of the pistons (5), one of the first connecting rods (61) and four of the second connecting rods (62).
The display teaching aid as claimed in claim 3, characterized in that:

The crankshaft member (4) includes a crankshaft portion (41) and a disc portion (42), and the first connecting rod (61) and the second connecting rod (62) are arranged on the crankshaft portion (41) and the second connecting rod (62). between the disc portions (42).
The display teaching aid as claimed in claim 3, characterized in that:

The first connecting rod (61) is provided with a connecting hole (610), and the connecting hole (610) is configured to connect with an elastic mechanism so that the first connecting rod (61) returns to the initial position when it does not move .
The display teaching aid as claimed in claim 3, characterized in that:

The main body (1) includes a front plate (13) and a rear plate (14), the front plate (13) is close to the impeller (200), and the front plate (13) and the rear plate (14) are located between the front plate (13) and the rear plate (14). A first chamber (11) and a second chamber (12) are arranged therebetween;

The crankshaft member (4) is arranged in the first chamber (11), and the piston (5) is arranged in the second chamber (12).
Display teaching aid as claimed in claim 6, is characterized in that:

One end of the piston (5) is connected with the first connecting rod (61), and the other end is in contact with the elastic element provided in the second chamber (12), so that the first connecting rod (61) is in contact with the first connecting rod (61). Return to the original position when not in motion.
Display teaching aid as claimed in claim 6, is characterized in that:

The bearing member (15) is arranged in a cam shape, and the bearing member (15) is penetrated on the front plate (13) to fix the main shaft (10).
Display teaching aid as claimed in claim 8, is characterized in that, comprises:

A fixing rod (16) is provided on the front plate (13) to fix the bearing member (15).
Display teaching aid as claimed in claim 1, is characterized in that, comprises:

A drive assembly is connected to the main shaft (10) and drives the main shaft (10) to rotate.