CN113593376A - Artificial cartilage energy absorption performance demonstration frame and use method thereof - Google Patents
Artificial cartilage energy absorption performance demonstration frame and use method thereof Download PDFInfo
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- CN113593376A CN113593376A CN202110891644.4A CN202110891644A CN113593376A CN 113593376 A CN113593376 A CN 113593376A CN 202110891644 A CN202110891644 A CN 202110891644A CN 113593376 A CN113593376 A CN 113593376A
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Abstract
The invention provides an artificial cartilage energy absorption performance demonstration frame and a use method thereof, wherein the demonstration frame is formed by vertically arranging a fence above a base; in the first contrast demonstration, the first material layer, the effect display layer and the cushion layer are sequentially arranged on the base from top to bottom; in the second contrast demonstration, the second material layer, the effect display layer and the cushion layer are sequentially arranged on the base from top to bottom; the thickness of the first material layer is the same as that of the second material layer, the cushion layer is used for wrapping the slag of the effect display layer, the artificial cartilage energy absorption performance demonstration frame can intuitively display the buffering effect of the first material layer and the second material layer through the effect display layer, and the artificial cartilage energy absorption performance demonstration frame is simple in structure, simple in use method and short in demonstration process, and has the advantages of portability, easiness in attracting attention of audiences, short time interval of repeated demonstration, good safety and the like.
Description
Technical Field
The invention relates to the field of material performance demonstration, in particular to an artificial cartilage energy absorption performance demonstration frame and a using method thereof.
Background
Product demonstrations are important means of demonstrating product benefits to potential customers and users. However, there are some challenges, including one or more of the following: the need for scientific training to perform a presentation, the need for expensive or complex scientific equipment to be used, the need for portability of the presentation (set-up/set-down times and transportation challenges), the need for minimizing the time taken to perform the presentation (i.e., minimizing the presentation time to best attract the attention of the audience), the need for minimizing the time required to prepare the next presentation (i.e., minimizing the delay from one presentation to the next), the need for safety in using the device (and handling the reactants), and the need for relatively economical manufacture of the device. Accordingly, there is an opportunity to provide product demonstrations that meet one or more of these needs, particularly in energy-cushioning products, where the product energy-cushioning effect is sometimes difficult for an audience to see or understand.
Disclosure of Invention
The invention aims to provide an artificial cartilage energy absorption performance demonstration frame to solve the defects in the prior art.
The first aspect of the embodiment of the invention provides an artificial cartilage energy absorption performance demonstration rack which comprises a fence, a base, a first material layer, a second material layer, a cushion layer and a plurality of effect display layers, wherein the fence is arranged on the base;
the fence is vertically arranged above the base to form a demonstration frame;
in the first contrast demonstration, the first material layer, the effect display layer and the cushion layer are sequentially arranged on the base from top to bottom;
in a second contrast demonstration, the second material layer, the effect display layer and the cushion layer are sequentially arranged on the base from top to bottom;
the thickness of the first material layer is the same as that of the second material layer, the effect display layer is used for displaying the buffer effect of the first material layer and the second material layer, and the cushion layer is used for wrapping the slag of the effect display layer.
In an alternative or preferred embodiment, the rail comprises 6 posts and 3 hexagonal fixing rings; 6 the post is inserted respectively and is established on the base and respectively with 3 six angles of hexagon retainer plate are connected, 3 hexagon retainer plate evenly distributed is in the vertical direction of post.
In an alternative or preferred embodiment, the enclosure is provided with a shutter perpendicular to the base.
In an alternative or preferred embodiment, the first material layer is an EVA layer.
In an alternative or preferred embodiment, the second material layer is an ACF buffer material layer.
In an alternative or preferred embodiment, the effect display layer is a glass sheet.
In an alternative or preferred embodiment, the spacer is a sheet of paper.
The second aspect of the embodiment of the invention provides a use method of an artificial cartilage energy absorption performance demonstration rack, which comprises the artificial cartilage energy absorption performance demonstration rack as described in any embodiment of the first aspect; the using method comprises the following steps:
fixing the demonstration frame;
placing the first material layer, the first effect display layer and the first cushion layer at the material placing position of the base from top to bottom in sequence;
placing a first weight from the upper part of the demonstration frame, and enabling the first weight to fall freely and smash on the first material layer;
removing the first weight, and taking out and displaying the state of the first material layer and the state of the first effect display layer;
wrapping the slag of the first effect display layer by the first cushion layer and removing the first cushion layer;
placing the second material layer, the second effect display layer and the second cushion layer at the material placing position of the base from top to bottom in sequence;
placing the first weight from the upper part of the demonstration frame, and enabling the first weight to fall freely and smash on the second material layer;
removing the first weight, and taking out and displaying the state of the second material layer and the state of the second effect display layer;
and wrapping the crushed slag of the second effect display layer by the second cushion layer and removing the second cushion layer.
In an alternative or preferred embodiment, the method of use further comprises the steps of:
placing the second material layer, the third effect display layer and the third cushion layer at the material placing position of the base from top to bottom in sequence;
placing the second weight from the upper part of the demonstration frame, and enabling the second weight to freely fall and smash on the second material layer;
removing the second weight, and taking out and displaying the state of the second material layer and the state of the third effect display layer;
and wrapping the slag of the third effect display layer by the third cushion layer and removing the third cushion layer.
In an alternative or preferred embodiment, the method of use further comprises the steps of:
sequentially placing the insole made of the second material, the fourth effect display layer and the fourth cushion layer at the material placing position of the base from top to bottom;
placing the first weight from the upper part of the demonstration frame, and enabling the first weight to fall freely and smash on the second material layer;
removing the first weight, and taking out and displaying the state of the insole and the state of the fourth effect display layer;
wrapping the crushed slag of the fourth effect display layer by the fourth cushion layer and removing the fourth cushion layer.
Compared with the prior art, the application has the following beneficial effects: in the first contrast demonstration of the artificial cartilage energy absorption performance demonstration frame, a first material layer, an effect display layer and a cushion layer are sequentially laid on a base, a weight is utilized to be smashed on the first material layer through free falling bodies above the demonstration frame, the weight is removed, the state of the first material layer and the state of the effect display layer are taken out and displayed, and the first cushion layer wraps broken slag of the first effect display layer and is removed; in a second contrast demonstration, sequentially placing the second material layer, the new effect display layer and the second cushion layer at a material placing position of the base from top to bottom, putting down the weight from the upper part of the demonstration frame, enabling the weight to freely fall and smash on the second material layer, removing the weight, taking out and displaying the state of the second material layer and the state of the second effect display layer, wrapping the slag of the second effect display layer by the second cushion layer and removing the second cushion layer; the artificial cartilage energy-absorbing performance demonstration frame can intuitively display the buffering effect of the first material layer and the second material layer on the effect display layer, is simple in structure, simple in use method and short in demonstration process, and has the advantages of portability, easiness in attracting attention of audiences, short time interval of repeated demonstration, good safety and the like.
Drawings
FIG. 1 is a schematic structural view of a first comparative demonstration state of an artificial cartilage energy absorption performance demonstration frame of the present invention;
FIG. 2 is a schematic structural view of a second comparative demonstration state of the artificial cartilage energy absorption performance demonstration rack of the invention;
FIG. 3 is a first flow diagram of a method of using the artificial cartilage energy absorption performance demonstration rack of the present invention;
FIG. 4 is a first flow diagram of a method of using the artificial cartilage energy absorption performance demonstration rack of the present invention;
fig. 5 is a first flow chart of a method for using the artificial cartilage energy absorption performance demonstration frame according to the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1 and 2, in a first aspect, an embodiment of the present application provides an artificial cartilage energy absorption performance demonstration rack, including a rail 1, a base 2, a first material layer 3, a second material layer 6, a cushion layer 5, and a plurality of effect display layers 4;
the fence 1 is vertically arranged above the base 2 to form a demonstration frame;
in the first contrast demonstration, the first material layer 3, the effect display layer 4 and the cushion layer 5 are sequentially arranged on the base 2 from top to bottom;
in a second contrast demonstration, the second material layer 6, the effect display layer 4 and the cushion layer 5 are sequentially arranged on the base 2 from top to bottom;
the thickness of the first material layer 3 is the same as that of the second material layer 6, the effect display layer 4 is used for displaying the buffer effect of the first material layer 3 and the second material layer 6, and the cushion layer 5 is used for wrapping the slag of the effect display layer 4.
In this embodiment, in a first contrast demonstration, a first material layer 3, an effect display layer 4 and a cushion layer 5 are sequentially laid on a base 2, the first material layer 3 is hit by a free falling body above a demonstration shelf by using a weight, the weight is removed, the state of the first material layer 3 and the state of the effect display layer 4 are taken out and displayed, and the first cushion layer 5 is wrapped by the crushed slag of the first effect display layer 4 and removed; in a second contrast demonstration, the second material layer 6, the new effect display layer 4 and the second cushion layer 5 are sequentially placed at the material placing position of the base 2 from top to bottom, the weight is put down from the top of the demonstration frame to enable the weight to freely fall and smash on the second material layer 6, the weight is removed, the state of the second material layer 6 and the state of the second effect display layer 4 are taken out and displayed, and the second cushion layer 5 is wrapped by the second cushion layer 5 and removed; the artificial cartilage energy-absorbing performance demonstration frame can intuitively display the buffering effect of the first material layer 3 and the second material layer 6 on the effect display layer 4, is simple in structure, simple in use method and short in demonstration process, and has the advantages of portability, easiness in attracting attention of audiences, short time interval of repeated demonstration, good safety and the like.
In an alternative or preferred embodiment, the pen 1 comprises 6 posts 11 and 3 hexagonal fixing rings 12; 6 post 11 is inserted respectively and is established on base 2 and respectively with 3 six angles of hexagon retainer plate 12 are connected, 3 hexagon retainer plate 12 evenly distributed is in the vertical direction of post 11, rail 1's simple structure easily assembles and dismantles, and rail 1 can not shelter from the process of demonstration moreover for the process of demonstration is more transparent and directly perceived.
In an alternative or preferred embodiment, the enclosure 1 is provided with a shielding plate 7, the shielding plate 7 is perpendicular to the base 2, and the shielding plate 7 is located behind the front demonstration direction and used for shielding objects behind the enclosure 1 so that a viewer can better recognize descending heavy objects and the visual interference of background objects is reduced.
In an alternative or preferred embodiment, the first material layer 3 is an EVA layer, the EVA material is a commonly available buffer material, and the first material layer 3 is an EVA layer, which enables a viewer to compare the commonly available buffer material with the second material layer 6 to see the overflow of the buffer effect of the second material layer 6 relative to the commonly available buffer material.
In an alternative or preferred embodiment, the second material layer 6 is an ACF buffer material layer, which is used to compare the ACF buffer material layer with a commercially available buffer material, so that a viewer can visually perceive the advance of the ACF buffer material layer relative to the commercially available buffer material.
In an alternative or preferred embodiment, the effect displaying layer 4 is a glass sheet, and the degree of breakage of the glass sheet can visually and directly reflect the buffering effect of the first material layer 3 and the second material layer 6, so as to bring a more direct feeling to a viewer.
In an alternative or preferred embodiment, the pad is a piece of paper, which is easy to wrap and low cost, and the piece of paper is used to wrap the debris of the effect display layer 4 and thrown away to quickly clean the display shelf for the next display, thereby shortening the interval between the two displays.
Referring to fig. 3, a second aspect of the present invention provides a method for using an artificial cartilage energy absorption performance demonstration rack, including the artificial cartilage energy absorption performance demonstration rack according to any one of the embodiments of the first aspect; the using method comprises the following steps:
s01, fixing the demonstration frame;
s02, sequentially placing the first material layer 3, the first effect display layer 4 and the first cushion layer 5 at the material placing position of the base 2 from top to bottom;
s03, putting down a first weight from the upper part of the demonstration frame, and enabling the first weight to fall freely and smash on the first material layer 3;
s04, removing the first weight, and taking out and displaying the state of the first material layer 3 and the state of the first effect display layer 4;
s05, wrapping the slag of the first effect display layer 4 by the first cushion layer 5 and removing the first cushion layer 5;
s06, sequentially placing the second material layer 6, the second effect display layer 4 and the second cushion layer 5 at the material placing position of the base 2 from top to bottom;
s07, putting the first weight down from the upper part of the demonstration rack, and enabling the first weight to fall freely and smash on the second material layer 6;
s08, removing the first weight, and taking out and displaying the state of the second material layer 6 and the state of the second effect display layer 4;
and S09, wrapping the slag of the second effect display layer 4 by the second cushion layer 5 and removing the second cushion layer 5.
Wherein, the first weight may be a bowling ball, the weight of the bowling ball may be 8 pounds, the first material layer 3 may be an EVA material layer with a diameter of 270MM and a regular hexagon thickness of 12MM, the second material layer 6 may be an ACF buffer material layer with a diameter of 270MM and a regular hexagon thickness of 12MM, the first effect display layer 4 and the second effect display layer 4 may be glass sheets with a specification of 80MM 3MM, and the first cushion layer 5 and the second cushion layer 5 may be a4 paper.
The use method of the artificial cartilage energy absorption performance demonstration frame in the embodiment comprises the artificial cartilage energy absorption performance demonstration frame in any embodiment of the first aspect, so that the use method of the artificial cartilage energy absorption performance demonstration frame in the embodiment at least comprises the corresponding beneficial effects of the artificial cartilage energy absorption performance demonstration frame in any embodiment of the first aspect. In addition, the embodiment smashes the first material layer 3 and the second material layer 6 respectively through the first heavy object, then the buffering effect of the first material layer 3 and the second material layer 6 can be displayed visually through the first material layer 3, the second material layer 6, the damage degree of the first effect display layer 4 and the second effect display layer 4, and the crushed slag of the first effect display layer 4 and the crushed slag of the second effect display layer 4 are wrapped by the first cushion layer 5 and the second cushion layer 5 and thrown away, so that the display frame can be cleaned quickly to display next time, and the interval between two times of display is shortened.
Referring to fig. 4, in an alternative or preferred embodiment, the using method further includes the following steps:
s10, sequentially placing the second material layer 6, the third effect display layer 4 and the third cushion layer 5 at the material placing position of the base 2 from top to bottom;
s11, placing the second weight from the upper part of the demonstration frame, and enabling the second weight to fall freely and smash on the second material layer 6;
s12, removing the second weight, and taking out and displaying the state of the second material layer 6 and the state of the third effect display layer 4;
and S13, wrapping the slag of the third effect display layer 4 by the third cushion layer 5 and removing the third cushion layer 5.
Wherein the second weight may be a shot, and the shot weight may be 6 KG.
In the present embodiment, the second material layer 6 is displayed by the second weight being hit twice, so that the falsification of the impact display of the viewer to the first weight can be eliminated and the impression of the cushioning effect of the viewer to the second material layer 6 can be deepened.
Referring to fig. 5, in an alternative or preferred embodiment, the using method further includes the following steps:
s14, sequentially placing the insole made of the second material, the fourth effect display layer 4 and the fourth cushion layer 5 at the material placing position of the base 2 from top to bottom;
s15, putting the first weight down from the upper part of the demonstration frame, and enabling the first weight to fall freely and smash the first weight on the insole formed by the second material layer 6;
s16, removing the first weight, and taking out and displaying the state of the insole and the state of the fourth effect display layer 4;
and S17, wrapping the fourth effect display layer 4 debris through the fourth cushion layer 5, and removing the fourth cushion layer 5.
In this embodiment, the cushioning test of the insole made of the second material by the first weight shows that the cushioning performance of the product made of the second material can be intuitively known to the viewer.
Any directional references (e.g., plus, minus, upper, lower, upward, downward, left, right, leftward, rightward, top, bottom, above …, below …, vertical, horizontal, clockwise, and counterclockwise) throughout the specification are used for identification purposes to aid the reader's understanding of the present disclosure, and do not create limitations, particularly as to the position, orientation, or use of the embodiments.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. An artificial cartilage energy absorption performance demonstration frame is characterized by comprising a fence, a base, a first material layer, a second material layer, a cushion layer and a plurality of effect display layers;
the fence is vertically arranged above the base to form a demonstration frame;
in the first contrast demonstration, the first material layer, the effect display layer and the cushion layer are sequentially arranged on the base from top to bottom;
in a second contrast demonstration, the second material layer, the effect display layer and the cushion layer are sequentially arranged on the base from top to bottom;
the thickness of the first material layer is the same as that of the second material layer, the effect display layer is used for displaying the buffer effect of the first material layer and the second material layer, and the cushion layer is used for wrapping the slag of the effect display layer.
2. The artificial cartilage energy absorption performance demonstration frame according to claim 1, wherein the rail comprises 6 columns and 3 hexagonal fixing rings; 6 the post is inserted respectively and is established on the base and respectively with 3 six angles of hexagon retainer plate are connected, 3 hexagon retainer plate evenly distributed is in the vertical direction of post.
3. The artificial cartilage energy absorption performance demonstration frame according to claim 2, wherein the fence is provided with a shielding plate, and the shielding plate is perpendicular to the base.
4. The artificial cartilage energy absorption performance demonstration frame according to claim 1, wherein the first material layer is an EVA layer.
5. The artificial cartilage energy absorption performance demonstration frame according to claim 1, wherein the second material layer is an ACF buffer material layer.
6. The artificial cartilage energy absorption performance demonstration frame according to claim 1, wherein the effect display layer is a glass sheet.
7. The artificial cartilage energy absorption performance demonstration frame according to claim 1, wherein the pad is a paper sheet.
8. An application method of an artificial cartilage energy absorption performance demonstration frame, which is characterized by comprising the artificial cartilage energy absorption performance demonstration frame according to any one of claims 1-7; the using method comprises the following steps:
fixing the demonstration frame;
placing the first material layer, the first effect display layer and the first cushion layer at the material placing position of the base from top to bottom in sequence;
placing a first weight from the upper part of the demonstration frame, and enabling the first weight to fall freely and smash on the first material layer;
removing the first weight, and taking out and displaying the state of the first material layer and the state of the first effect display layer;
wrapping the slag of the first effect display layer by the first cushion layer and removing the first cushion layer;
placing the second material layer, the second effect display layer and the second cushion layer at the material placing position of the base from top to bottom in sequence;
placing the first weight from the upper part of the demonstration frame, and enabling the first weight to fall freely and smash on the second material layer;
removing the first weight, and taking out and displaying the state of the second material layer and the state of the second effect display layer;
and wrapping the crushed slag of the second effect display layer by the second cushion layer and removing the second cushion layer.
9. The use method of the artificial cartilage energy absorption performance demonstration frame according to claim 8, characterized in that the use method further comprises the following steps:
placing the second material layer, the third effect display layer and the third cushion layer at the material placing position of the base from top to bottom in sequence;
placing the second weight from the upper part of the demonstration frame, and enabling the second weight to freely fall and smash on the second material layer;
removing the second weight, and taking out and displaying the state of the second material layer and the state of the third effect display layer;
and wrapping the slag of the third effect display layer by the third cushion layer and removing the third cushion layer.
10. The use method of the artificial cartilage energy absorption performance demonstration frame according to claim 9, characterized in that the use method further comprises the following steps:
sequentially placing the insole made of the second material, the fourth effect display layer and the fourth cushion layer at the material placing position of the base from top to bottom;
putting the first weight down from the upper part of the demonstration frame, and enabling the first weight to fall freely and smash the first weight on the insole formed by the second material layer;
removing the first weight, and taking out and displaying the state of the insole and the state of the fourth effect display layer;
wrapping the crushed slag of the fourth effect display layer by the fourth cushion layer and removing the fourth cushion layer.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106468635A (en) * | 2015-08-21 | 2017-03-01 | 中国建材检验认证集团秦皇岛有限公司 | A kind of vehicle glass shock resistance experimental glass debris colleting device and method |
CN206292022U (en) * | 2016-09-19 | 2017-06-30 | 淮安市计量测试所 | A kind of ophthalmic len impact resilience tester |
CN210923020U (en) * | 2019-12-16 | 2020-07-03 | 东莞市润国五金制品有限公司 | Case and bag impact test mechanism with cushioning effect |
CN213633120U (en) * | 2020-10-02 | 2021-07-06 | 河北林鑫机械配件有限公司 | Rubber buffer cushion buffering effect detection device |
-
2021
- 2021-08-04 CN CN202110891644.4A patent/CN113593376A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106468635A (en) * | 2015-08-21 | 2017-03-01 | 中国建材检验认证集团秦皇岛有限公司 | A kind of vehicle glass shock resistance experimental glass debris colleting device and method |
CN206292022U (en) * | 2016-09-19 | 2017-06-30 | 淮安市计量测试所 | A kind of ophthalmic len impact resilience tester |
CN210923020U (en) * | 2019-12-16 | 2020-07-03 | 东莞市润国五金制品有限公司 | Case and bag impact test mechanism with cushioning effect |
CN213633120U (en) * | 2020-10-02 | 2021-07-06 | 河北林鑫机械配件有限公司 | Rubber buffer cushion buffering effect detection device |
Non-Patent Citations (1)
Title |
---|
腾讯视频: ""不同鞋垫缓冲性能测试实验"", 《腾讯视频》 * |
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