Momentum conservation demonstrator convenient to use

Abstract

The utility model relates to the field of momentum conservation demonstration, and discloses a momentum conservation demonstrator convenient to use, which comprises a movable base, the top of the movable base is fixedly connected with a mounting block, the inner wall of the mounting block is movably connected with a support frame, the top of the support frame is provided with a groove, two sides of the groove are respectively provided with a positioning groove, and the positioning grooves are arranged in the movable base. A groove is formed in the base, a movable block is arranged above the groove, a positioning block is fixedly connected to the outer wall of the movable block, a supporting rod is arranged between the groove and the movable block, a limiting block is fixedly connected to the outer wall of the supporting rod, and a lantern ring is movably connected to the outer wall of the supporting rod. According to the momentum conservation demonstrator convenient to use, the function of being convenient to assemble is achieved, so that the momentum conservation demonstrator is convenient to carry after being disassembled, the convenience in use is further improved, and the problems that carrying is affected due to the fact that disassembling is inconvenient, or assembling consumes long time during teaching demonstration are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of momentum conservation demonstration, in particular to a momentum conservation demonstrator which is easy to use. Background Art

[0002] The law of conservation of momentum, along with the law of conservation of energy and the law of conservation of angular momentum, are the three fundamental conservation laws in modern physics. Originally, they were corollaries of Newton's laws, but later it was discovered that their scope of application far extends beyond Newton's laws, becoming even more fundamental physical laws, reflecting the nature of space and time. Demonstration vehicles are often used when teaching the law of conservation of momentum.

[0003] The existing momentum conservation demonstration vehicle is inconvenient to assemble and disassemble during use, which results in problems such as inconvenience in carrying or cumbersome installation. Therefore, the existing momentum conservation demonstrator brings inconvenience to people's use. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the present invention provides an easy-to-use momentum conservation demonstrator, which solves the problems in the above-mentioned background technology.

[0006] (2) Technical solution

[0007] The top of the movable frame is provided with a groove, and the two sides of the movable frame are provided with a positioning groove, and the movable frame is provided with a movable frame above the groove. The outer wall of the movable frame is fixedly connected with the positioning block, and the support rod is provided with a support rod between the groove and the movable block. The outer wall of the support rod is fixedly connected with a limiting block, the outer wall of the support rod is movably connected with a collar, and the bottom of the collar is fixedly connected with the connecting rod, and the bottom of the connecting rod is fixedly connected with a steel ball. The movable base, the mounting block, the support frame, the positioning groove, the movable block, the positioning block, the support rod, the limiting block, the collar, the connecting rod and the steel ball are provided, which realizes the function of easy assembly, thereby facilitating carrying after disassembly, thereby improving the convenience during use, solving the problem of affecting carrying due to inconvenient disassembly, or taking a long time to assemble during teaching demonstration, meeting people's work needs, and is worthy of popularization and use.

[0008] Furthermore, the mounting block has a concave-shaped structure when viewed from above, and there are two mounting blocks symmetrically distributed, which facilitates the installation of several support frames.

[0009] Furthermore, the groove on the top of the support frame is semicircular, and the support frame and the movable block are distributed in a perfect circle, which facilitates the installation of the support frame and the movable block on the support rod.

[0010] Furthermore, the movable block is engaged with the positioning groove via the positioning block, and the positioning blocks are symmetrically distributed on both sides of the movable block, which facilitates fixing of the movable block.

[0011] Furthermore, the limit blocks are symmetrically distributed at both ends of the support rod, and the limit blocks and the support rod are distributed in an "I" shape. The diameter of the limit blocks is larger than the diameter of the perfect circle formed by the groove and the movable block, which facilitates the limiting work of the support rod.

[0012] Furthermore, the collar is rotatably connected to the support rod via a bearing, and a gap is provided between the bottom of the steel ball and the outer wall of the movable base, thereby ensuring that the steel ball effectively rotates around the support rod.

[0013] Beneficial effects

[0014] Compared with the prior art, the present invention provides a convenient momentum conservation demonstrator with the following beneficial effects:

[0015] 1. The easy-to-use momentum conservation demonstrator realizes the function of easy assembly through the provision of a movable base, a mounting block, a support frame, a positioning groove, a movable block, a positioning block, a support rod, a limit block, a collar, a connecting rod and a steel ball, so that it is convenient to carry after being disassembled, thereby improving the convenience during use, solving the problems of inconvenient disassembly affecting carrying or time-consuming assembly during teaching demonstrations, meeting people's work needs, and worthy of promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the top view of the structure of the utility model;

[0018] Figure 3 This is a side view of the structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 5 For this utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0021] In the figure: 1. Mobile base; 2. Mounting block; 3. Support frame; 4. Positioning slot; 5. Movable block; 6. Positioning block; 7. Support rod; 8. Limit block; 9. Ring; 10. Connecting rod; 11. Steel ball. DETAILED DESCRIPTION

[0022] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] The preferred embodiment of the convenient momentum conservation demonstrator provided by the present invention is as follows: Figures 1 to 5 The utility model discloses a kind of momentum conservation demonstrator which is convenient to use, comprising a movable base 1, the top of the movable base 1 is fixedly connected with a mounting block 2, the inner wall of the mounting block 2 is movably connected with a supporting frame 3, the top of the supporting frame 3 is provided with a groove, and both sides of the groove are provided with a positioning groove 4, a movable block 5 is arranged above the groove, the outer wall of the movable block 5 is fixedly connected with a positioning block 6, a support rod 7 is arranged between the groove and the movable block 5, the outer wall of the support rod 7 is fixedly connected with a limiting block 8, the outer wall of the support rod 7 is movably connected with a collar 9, the bottom of the collar 9 is fixedly connected with a connecting rod 10, and the bottom of the connecting rod 10 is fixedly connected with a steel ball 11. By setting the movable base 1, the mounting block 2, the supporting frame 3, the positioning groove 4, the movable block 5, the positioning block 6, the support rod 7, the limiting block 8, the collar 9, the connecting rod 10 and the steel ball 11, the function of easy assembly is achieved, which is conducive to easy carrying after disassembly, thereby improving the convenience during use, solving the problem of affecting carrying due to inconvenient disassembly, or taking a long time to assemble during teaching demonstration, meeting people's work needs, and being worthy of promotion and use.

[0025] Furthermore, the mounting block 2 has a concave-shaped structure when viewed from above, and two mounting blocks 2 are symmetrically distributed, which facilitates the installation of several support frames 3 .

[0026] Furthermore, the groove on the top of the support frame 3 is semicircular, and the support frame 3 and the movable block 5 are distributed in a perfect circle, which facilitates the installation of the support frame 3 and the movable block 5 on the support rod 7.

[0027] Furthermore, the movable block 5 is engaged with the positioning groove 4 through the positioning blocks 6 , and the positioning blocks 6 are symmetrically distributed on both sides of the movable block 5 , which facilitates the fixation of the movable block 5 .

[0028] Furthermore, the limit blocks 8 are symmetrically distributed at both ends of the support rod 7, and the limit blocks 8 and the support rod 7 are distributed in an "I" shape. The diameter of the limit blocks 8 is larger than the diameter of the perfect circle formed by the groove and the movable block 5, which facilitates the limiting work of the support rod 7.

[0029] Further, the sleeve 9 is rotatably connected with the supporting rod 7 through a bearing, and a spacing is arranged between the bottom of the steel ball 11 and the outer wall of the moving base 1, so that the steel ball 11 can effectively rotate around the supporting rod 7.

[0030] In use, first, the supporting frame 3 is inserted into the inside of the mounting block 2 for fixation, then the supporting rod 7 is inserted into the groove at the top of the supporting frame 3 with the limiting block 8, and the movable block 5 is inserted into the positioning groove 4 with the positioning block 6, so that the supporting rod 7 is positioned, and the steel ball 11 is installed, improving the convenience of installation and solving the problem of complicated installation. After the movable block 5 is pulled out, the supporting rod 7 is disassembled, and the supporting frame 3 is pulled out for disassembly, which is conducive to carrying after disassembly, and solves the problem of inconvenience in carrying due to large size.

[0031] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0032] It should be noted that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0033] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A momentum conservation demonstrator for ease of use, comprising a mobile base (1), characterized in that: The top of the movable base (1) is fixedly connected to a mounting block (2), the inner wall of the mounting block (2) is movably connected to a support frame (3), the top of the support frame (3) is provided with a groove, both sides of the groove are provided with positioning grooves (4), a movable block (5) is provided above the groove, the outer wall of the movable block (5) is fixedly connected to a positioning block (6), a support rod (7) is provided between the groove and the movable block (5), the outer wall of the support rod (7) is fixedly connected to a limiting block (8), the outer wall of the support rod (7) is movably connected to a collar (9), the bottom of the collar (9) is fixedly connected to a connecting rod (10), and the bottom of the connecting rod (10) is fixedly connected to a steel ball (11).

2. A hands-on demonstration of the conservation of momentum as claimed in claim 1, wherein: The mounting block (2) has a concave-shaped structure when viewed from above, and there are two mounting blocks (2) symmetrically distributed.

3. A hands-on demonstration of the conservation of momentum as claimed in claim 1, wherein: The groove formed on the top of the support frame (3) is semicircular, and the support frame (3) and the movable block (5) are distributed in a perfect circle.

4. A hands-on demonstration of the conservation of momentum as claimed in claim 1, wherein: The movable block (5) is engaged with the positioning groove (4) via the positioning block (6), and the positioning blocks (6) are symmetrically distributed on both sides of the movable block (5).

5. A hands-on momentum conservation demonstrator as claimed in claim 1, wherein: The limit blocks (8) are symmetrically distributed at both ends of the support rod (7), and the limit blocks (8) and the support rod (7) are distributed in an "I" shape.

6. A hands-on momentum conservation demonstrator as claimed in claim 3, wherein: The diameter of the limiting block (8) is larger than the diameter of the perfect circle formed by the groove and the movable block (5).

7. A hands-on momentum conservation demonstrator as claimed in claim 1, wherein: The collar (9) is rotatably connected to the support rod (7) via a bearing, and a gap is provided between the bottom of the steel ball (11) and the outer wall of the movable base (1).

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