Mechanical design teaching model and demonstration device

Abstract

The invention discloses a mechanical design teaching model and demonstration device, which comprises a model assembly and a clamping assembly, and is characterized in that the model assembly is composed of a model base, a model support frame, a first transmission structure, a second transmission structure and a transmission rod, and a sliding block in the clamping assembly is slidably connected in a slotted hole formed in the model base; according to the invention, the sliding block in the clamping assembly and the clamping block on the demonstration structure are clamped with each other, so that the model assembly is fixed, and the use is convenient and fast; in the teaching process, vibration is greatly weakened through the noise reduction assembly, so that noise generated in the demonstration process is effectively reduced, and the attention of students is improved while the classroom teaching environment is prevented from being influenced; the line with the stripped line end is fixed through the line pressing assembly, fixing is convenient and fast, the clamping rod is lifted up during dismounting, then the rotating shaft is rotated, the locking plate is driven to rotate, fixing of the line pressing piece is relieved, the line can be dismounted, and normal teaching is prevented from being affected.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical models, in particular to a mechanical design teaching model and a demonstration device. Background Art

[0002] Mechanical design teaching models play a vital role in the teaching of mechanical basic courses. These models not only help students to intuitively understand the working principles and structural composition of mechanical components, but also cultivate students' hands-on ability and innovation ability through practical operations; teaching auxiliary tools made according to mechanical principles and structures have the characteristics of detachable combination, clear sectioning, and not easy to deform; teaching models can intuitively display the working principles and structural composition of mechanical components, so that students can quickly understand the theoretical knowledge in books, and at the same time can perform practical operations to cultivate hands-on ability and innovation ability; demonstration devices are indispensable teaching tools in the teaching of mechanical basic courses. They can intuitively display the working principles and structural characteristics of mechanical components and help students deeply understand the basic theory of mechanical design; existing teaching models and demonstration devices basically meet user needs, but there are still certain shortcomings; first, the existing teaching models need to be fixed by manpower or other tools during operation teaching, which is inconvenient to use; second, the existing demonstration devices will generate noise when in use, affecting the quiet classroom atmosphere and easily affecting students' attention; third, the lines of the existing demonstration devices are often fixed by bolts, which is inconvenient to remove and replace, affecting the normal teaching; therefore, it is necessary to design a mechanical design teaching model and demonstration device. Summary of the invention

[0003] The purpose of the present invention is to provide a mechanical design teaching model and a demonstration device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a mechanical design teaching model, comprising a model assembly and a clamping assembly, wherein the model assembly is composed of a model base, a model support frame, a first transmission structure, a second transmission structure and a transmission rod, a slider in the clamping assembly is slidably connected in a slot hole opened inside the model base, a push block is fixedly connected to the slider, a push rod is slidably connected to the inclined surface of the push block, a clamping block is slidably connected to the inclined surface of the slider, the clamping block is fixedly connected to the through slot opened in the fixed block, and the fixed block is fixedly connected to the demonstration structure.

[0005] As a further technical solution of the present invention, the model base is fixedly connected to a model support frame, and the model support frame is respectively provided with a first transmission structure, a second transmission structure and a transmission rod, and the first transmission structure, the second transmission structure and the transmission rod are meshed with each other through gears.

[0006] As a further technical solution of the present invention, the clamping assembly is composed of a slider, a push block, a push rod, a connecting rod, a spring part and a pressing part. The push rod drives one end fixedly connected to a pressing part, and the pressing part and the push rod are both slidably connected in a through groove opened in the model base.

[0007] As a further technical solution of the present invention, one side of the push block is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a spring member, and the spring member is fixedly connected to a slot hole provided in the model base.

[0008] A mechanical design teaching model demonstration device comprises a demonstration structure and a noise reduction component, wherein a bottom plate in the noise reduction component is fixedly connected to the demonstration structure, a noise reduction spring is fixedly connected to the bottom plate, one end of the noise reduction spring is fixedly connected to the top plate, a demonstration motor is fixedly connected to the top plate, a side plate is fixedly connected to one side of the demonstration structure, a mounting frame in the wire crimping component is fixedly connected to the side plate, a power connection sheet is fixedly connected to a groove opened on the top of the mounting frame, a wire crimping base is fixedly connected to a slot hole opened on the mounting frame, and a wire crimping fixing rod is embedded and installed in the slot hole opened on one side of the wire crimping base.

[0009] As a further technical solution of the present invention, the noise reduction assembly consists of a bottom plate, a noise reduction spring, a top plate, a first limit plate and a second limit plate, and the first limit plate is fixedly connected to the bottom plate.

[0010] As a further technical solution of the present invention, a second limiting plate is fixedly connected to the top plate, and the second limiting plate is attached to the first limiting plate.

[0011] As a further technical solution of the present invention, the wire crimping assembly consists of a mounting frame, a wire crimping base, a wire crimping fixing rod, a wire hole, a wire crimping piece, a power connection piece, a tooth groove, a locking plate, a rotating shaft, a clamping rod and a clamping piece, and a wire hole is opened on one side of the mounting frame.

[0012] As a further technical solution of the present invention, a rotating shaft is rotatably connected in the slot hole opened in the mounting frame, a locking plate is fixedly connected to the rotating shaft, a tooth groove is arranged on the locking plate, and the tooth groove is also arranged on the wire pressing piece, and the locking plate and the wire pressing piece are clamped with each other through the tooth groove.

[0013] As a further technical solution of the present invention, a clamping piece is fixedly connected to one side of the mounting frame, a clamping rod is clamped in the slot formed between the clamping piece and the mounting frame, and the clamping rod is fixedly connected to the slot opened on one side of the top of the locking plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the mechanical design teaching model and demonstration device, by aligning the slot hole opened at the bottom of the model component with the fixed block on the demonstration structure and pressing down, the inclined surface of the card block slides on the inclined surface of the slider, the card block pushes the slider, thereby compressing the spring part through the connecting rod, and the elastic force of the spring part is released after being pressed into place, so that the slider and the card block are mutually engaged, thereby fixing the model component, without the need for manual fixation or the use of other tools for fixation, and is convenient and quick to use. When it is necessary to remove, the pressing part provided on the model base is pressed to drive the push rod to be pressed down, and the inclined surface of the top end of the push rod slides on the inclined surface of the push block, thereby squeezing the slider and the connecting rod in the direction of the spring part, compressing the spring part, and the model component can be removed; during the teaching process, the demonstration motor is started, and the operation of the demonstration motor generates The vibration is transmitted to the noise reduction spring through the top plate and the second limit plate. The noise reduction spring greatly weakens the vibration and then transmits it to the bottom plate, thereby effectively reducing the noise generated during the demonstration, avoiding affecting the classroom teaching environment while improving students' attention; the line with stripped wire ends is passed through the wire hole, and then the wire ends are placed on the power connection sheet, one end of the wire pressing piece is embedded in the through groove opened on the mounting frame, and then the rotating shaft is rotated to make the tooth grooves set on the locking plate and the tooth grooves set on the wire pressing piece engage with each other, and then the clamping rod is clamped on one side of the clamping piece to complete the fixation of the line. The fixation is convenient and quick. When removing, the clamping rod is lifted, and then the rotating shaft is rotated to drive the locking plate to rotate, thereby releasing the fixation of the wire pressing piece, and the line can be removed. The removal is simple to avoid affecting the normal teaching. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the overall structure of the model assembly in the present invention;

[0016] Figure 2 It is a schematic diagram of the internal structure of part of the present invention;

[0017] Figure 3 for Figure 2 Schematic diagram of the structure of the middle A area;

[0018] Figure 4 It is a schematic diagram of the position structure of the side plate in the present invention;

[0019] Figure 5 It is a structural schematic diagram of the noise reduction component of the present invention;

[0020] Figure 6 It is a structural schematic diagram of a medium voltage line assembly of the present invention;

[0021] Figure 7 It is a schematic diagram of the position structure of the rotating shaft in the present invention;

[0022] Figure 8 It is a schematic diagram of the position structure of the clamping rod in the present invention;

[0023] Fig. 9 It is a three-dimensional diagram of the overall structure after the model components and demonstration device in the present invention are assembled.

[0024] In the figure: 1. model component; 2. clamping component; 3. clamping block; 4. fixing block; 5. demonstration structure; 6. noise reduction component; 7. demonstration motor; 8. side plate; 9. wire pressing component; 11. model base; 12. model support frame; 13. first transmission structure; 14. second transmission structure; 15. transmission rod; 21. slider; 22. push block; 23. push rod; 24. connecting rod; 25. spring member; 26. pressing member; 61. bottom plate; 62. noise reduction spring; 63. top plate; 64. first limit plate; 65. second limit plate; 91. mounting frame; 92. wire pressing base; 93. wire pressing fixing rod; 94. wire hole; 95. wire pressing member; 96. power connection sheet; 97. tooth groove; 98. locking plate; 99. rotating shaft; 100. clamping rod; 101. clamping member. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Please see attached Figure 1 -Attached Figure 3An embodiment of the present invention is as follows: a mechanical design teaching model, comprising a model component 1 and a clamping component 2, wherein the model component 1 is composed of a model base 11, a model support frame 12, a first transmission structure 13, a second transmission structure 14 and a transmission rod 15, a slider 21 in the clamping component 2 is slidably connected in a slot hole opened inside the model base 11, a push block 22 is fixedly connected to the slider 21, a push rod 23 is slidably connected to the inclined surface of the push block 22, a clamping block 3 is slidably connected to the inclined surface of the slider 21, the clamping block 3 is fixedly connected to a through slot opened in a fixed block 4, the fixed block 4 is fixedly connected to the demonstration structure 5, and the model base 11 is fixedly connected to the model support frame 12 A first transmission structure 13, a second transmission structure 14 and a transmission rod 15 are respectively provided on the model support frame 12. The first transmission structure 13, the second transmission structure 14 and the transmission rod 15 are meshed with each other through gears. The clamping assembly 2 is composed of a slider 21, a push block 22, a push rod 23, a connecting rod 24, a spring member 25 and a pressing member 26. The push rod 23 drives one end to be fixedly connected with a pressing member 26. The pressing member 26 and the push rod 23 are both slidably connected in the through groove opened in the model base 11. A connecting rod 24 is fixedly connected to one side of the push block 22. A spring member 25 is fixedly connected to one end of the connecting rod 24. The spring member 25 is fixedly connected to the slot opened in the model base 11.

[0027] Please see attached Figure 4 -Attached Fig. 9, an embodiment of the present invention: a mechanical design teaching model demonstration device, comprising a demonstration structure 5 and a noise reduction component 6, the demonstration structure 5 is fixedly connected with a bottom plate 61 in the noise reduction component 6, the bottom plate 61 is fixedly connected with a noise reduction spring 62, one end of the noise reduction spring 62 is fixedly connected to a top plate 63, the top plate 63 is fixedly connected with a demonstration motor 7, one side of the demonstration structure 5 is fixedly connected with a side plate 8, the side plate 8 is fixedly connected with a mounting frame 91 in the wire pressing component 9, a power connection sheet 96 is fixedly connected in a groove opened at the top of the mounting frame 91, and a wire pressing base 92 is fixedly connected in a slot opened in the mounting frame 91, and a wire pressing fixing rod 93 is embedded and installed in a slot opened on one side of the wire pressing base 92, the noise reduction component 6 is composed of a bottom plate 61, a noise reduction spring 62, a top plate 63, a first limit plate 64 and a second limit plate 65, the bottom plate 61 is fixedly connected with the first limit plate 64, the top plate 63 The plate 63 is fixedly connected with a second limiting plate 65, and the second limiting plate 65 is attached to the first limiting plate 64. The wire pressing assembly 9 is composed of a mounting frame 91, a wire pressing base 92, a wire pressing fixing rod 93, a wire hole 94, a wire pressing member 95, a power connection sheet 96, a tooth groove 97, a locking plate 98, a rotating shaft 99, a clamping rod 100 and a clamping member 101. A wire hole 94 is opened on one side of the mounting frame 91, and a rotating shaft 9 is rotatably connected in the slot opened in the mounting frame 91. 9. A locking plate 98 is fixedly connected to the rotating shaft 99. A tooth groove 97 is provided on the locking plate 98. The tooth groove 97 is also provided on the wire pressing member 95. The locking plate 98 and the wire pressing member 95 are clamped with each other through the tooth groove 97. A clamping member 101 is fixedly connected to one side of the mounting frame 91. A clamping rod 100 is clamped in a slot formed between the clamping member 101 and the mounting frame 91. The clamping rod 100 is fixedly connected to the slot opened on one side of the top of the locking plate 98.

[0028] Based on the above, the advantage of the present invention is that by aligning the slot hole opened at the bottom of the model component 1 with the fixing block 4 on the demonstration structure 5 and pressing down, the inclined surface of the block 3 slides on the inclined surface of the slider 21, and the block 3 pushes the slider 21, thereby compressing the spring member 25 through the connecting rod 24. After being pressed down to the right position, the elastic force of the spring member 25 is released, so that the slider 21 and the block 3 are engaged with each other, thereby fixing the model component 1, without the need for manual fixation or the use of other tools, and the use is convenient and quick. When it is necessary to remove it, the pressing member 26 set on the model base 11 is pressed to drive the push rod 23 to be pressed down, and the inclined surface of the top end of the push rod 23 slides on the inclined surface of the push block 22, so that the slider 21 and the connecting rod 24 are squeezed in the direction of the spring member 25, so that the spring member 25 is compressed, and the model component 1 can be removed; during the teaching process, the demonstration motor 7 is started, and the vibration generated by the operation of the demonstration motor 7 is transmitted through the top plate 63 and the second The limit plate 65 transmits the vibration to the noise reduction spring 62, and the noise reduction spring 62 transmits the vibration to the bottom plate 61 after greatly weakening it, thereby effectively reducing the noise generated during the demonstration, avoiding affecting the classroom teaching environment while improving students' attention; the line with the stripped wire ends is passed through the wire hole 94, and then the wire ends are placed on the power connection plate 96, one end of the wire pressing piece 95 is embedded in the through groove opened by the mounting frame 91, and then the rotating shaft 99 is rotated to make the tooth groove 97 set on the locking plate 98 and the tooth groove 97 set on the wire pressing piece 95 engage with each other, and then the clamping rod 100 is clamped on one side of the clamping piece 101, so as to complete the fixation of the line, and the fixation is convenient and quick. When removing, the clamping rod 100 is lifted, and then the rotating shaft 99 is rotated to drive the locking plate 98 to rotate, thereby releasing the fixation of the wire pressing piece 95, and the line can be removed. The removal is simple to avoid affecting the normal progress of teaching.

[0029] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A mechanical design teaching model, comprising a model component (1) and a clamping component (2), characterized in that: The model assembly (1) is composed of a model base (11), a model support frame (12), a first transmission structure (13), a second transmission structure (14) and a transmission rod (15); a sliding block (21) in the clamping assembly (2) is slidably connected in a slot hole provided inside the model base (11); a push block (22) is fixedly connected to the sliding block (21); a push rod (23) is slidably connected to the inclined surface of the pushing block (22); a clamping block (3) is slidably connected to the inclined surface of the sliding block (21); the clamping block (3) is fixedly connected to a through slot provided in a fixed block (4); and the fixed block (4) is fixedly connected to the demonstration structure (5).

2. A mechanical design teaching model according to claim 1, characterized in that: The model base (11) is fixedly connected to a model support frame (12), and the model support frame (12) is respectively provided with a first transmission structure (13), a second transmission structure (14) and a transmission rod (15), and the first transmission structure (13), the second transmission structure (14) and the transmission rod (15) are meshed with each other via gears.

3. A mechanical design teaching model according to claim 1, characterized in that: The clamping assembly (2) is composed of a slider (21), a push block (22), a push rod (23), a connecting rod (24), a spring member (25) and a pressing member (26); the push rod (23) drives one end of the push rod to be fixedly connected with the pressing member (26); the pressing member (26) and the push rod (23) are both slidably connected in a through groove provided in the model base (11).

4. A mechanical design teaching model according to claim 3, characterized in that: A connecting rod (24) is fixedly connected to one side of the push block (22), a spring member (25) is fixedly connected to one end of the connecting rod (24), and the spring member (25) is fixedly connected to a slot hole provided in the model base (11).

5. A mechanical design teaching model demonstration device, comprising a demonstration structure (5) and a noise reduction component (6), characterized in that: The demonstration structure (5) is fixedly connected to a bottom plate (61) in a noise reduction assembly (6), a noise reduction spring (62) is fixedly connected to the bottom plate (61), one end of the noise reduction spring (62) is fixedly connected to a top plate (63), a demonstration motor (7) is fixedly connected to the top plate (63), a side plate (8) is fixedly connected to one side of the demonstration structure (5), a mounting frame (91) in a wire pressing assembly (9) is fixedly connected to the side plate (8), a power connection sheet (96) is fixedly connected to a groove opened on the top of the mounting frame (91), a wire pressing base (92) is fixedly connected to a slot opened on the mounting frame (91), and a wire pressing fixing rod (93) is embedded and installed in a slot opened on one side of the wire pressing base (92).

6. A mechanical design teaching model demonstration device according to claim 5, characterized in that: The noise reduction component (6) is composed of a bottom plate (61), a noise reduction spring (62), a top plate (63), a first limit plate (64) and a second limit plate (65), and the first limit plate (64) is fixedly connected to the bottom plate (61).

7. A mechanical design teaching model and demonstration device according to claim 6, characterized in that: A second limiting plate (65) is fixedly connected to the top plate (63), and the second limiting plate (65) is attached to the first limiting plate (64).

8. A mechanical design teaching model demonstration device according to claim 5, characterized in that: The wire pressing assembly (9) is composed of a mounting frame (91), a wire pressing base (92), a wire pressing fixing rod (93), a wire hole (94), a wire pressing piece (95), a power connection sheet (96), a tooth groove (97), a locking plate (98), a rotating shaft (99), a clamping rod (100) and a clamping piece (101), and a wire hole (94) is provided on one side of the mounting frame (91).

9. A mechanical design teaching model demonstration device according to claim 8, characterized in that: A rotating shaft (99) is rotatably connected in the slot hole provided in the mounting frame (91), a locking plate (98) is fixedly connected to the rotating shaft (99), a tooth groove (97) is provided on the locking plate (98), and the tooth groove (97) is also provided on the wire pressing member (95), and the locking plate (98) and the wire pressing member (95) are mutually clamped through the tooth groove (97).

10. A mechanical design teaching model demonstration device according to claim 9, characterized in that: A clamping piece (101) is fixedly connected to one side of the mounting frame (91), a clamping rod (100) is clamped in a slot formed between the clamping piece (101) and the mounting frame (91), and the clamping rod (100) is fixedly connected to a slot opened on one side of the top of the locking plate (98).

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