CN108671528A - Protect backpiece - Google Patents
Protect backpiece Download PDFInfo
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- CN108671528A CN108671528A CN201810630002.7A CN201810630002A CN108671528A CN 108671528 A CN108671528 A CN 108671528A CN 201810630002 A CN201810630002 A CN 201810630002A CN 108671528 A CN108671528 A CN 108671528A
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- Prior art keywords
- backpiece
- arc groove
- arc
- protection
- cylinder
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
- A63B71/12—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Dispersion Chemistry (AREA)
- Dental Preparations (AREA)
Abstract
The invention discloses a kind of protection backpieces, including：Backpiece ontology, it is adapted with human body back, backpiece ontology front is equipped with multiple first arc grooves with back side relative position along its axis direction, the arc top of first arc groove is downward, the first air hole of multiple perforations is offered in first arc groove, backpiece ontology front is located at relative position below the first arc groove with the back side and is equipped with multiple second arc grooves along its axis direction, and the arc top of the second arc groove upward, offers the second air hole of multiple perforations in the second arc groove.The protection backpiece of the present invention, in backpiece ontology front and the back side, the first arc groove, the second arc groove are set, the first air hole, the second air hole of perforation are respectively equipped in first arc groove, the second arc groove, it is ventilative that the first air hole, the second air hole being arranged are conducive to ventilation heat extraction, and the first arc groove of setting, the second arc groove direction are opposite, be conducive to heat to disperse from different directions, improve thermal discharge efficiency.
Description
Technical field
The present invention relates to sports goods technical fields.It is more particularly related to a kind of protection backpiece.
Background technology
The extreme sport of world today's prevalence, such as bungee jumping, slide plate, skiing, limit bicycle can include to human body
The different parts at back damage；The stronger movement of some antagonism, such as football, rugby, ice hockey or outdoor racing car
It rides, all can injure back because of violent shock.Hold vulnerable each position for human body, people develop corresponding shield
Tool, such as the helmet on head, for the leg guard of shin bone, for the knee-pad in important joint, elbow support, ankle guard, wrist guard, still
Back and the backbone on head are no less than for significance level, in the market rarely seen corresponding protector product.Some are anti-currently on the market
The backpiece heart, but the elastic properties of materials that these vest gas permeabilities are bad and vest uses is bad, wear it is uncomfortable, while when occurring
These vests cannot play back good protective action when collision.
Invention content
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of protection backpieces, by being arranged first in backpiece ontology front and the back side
Arc groove, the second arc groove are respectively equipped with the first air hole, the second air hole of perforation in the first arc groove, the second arc groove,
The first air hole, the second air hole being arranged are conducive to ventilation heat extraction and breathe freely, and the first arc groove of setting, the second arc groove court
It is dispersed from different directions on the contrary, being conducive to heat, improves thermal discharge efficiency.
In order to realize these purposes and other advantages according to the present invention, a kind of protection backpiece is provided, including：
Backpiece ontology, is adapted with human body back, and backpiece ontology front is with back side relative position along its axis
Direction is equipped with multiple first arc grooves, and the arc top of first arc groove downward, offers multiple in first arc groove
First air hole of perforation, backpiece ontology front are located at the first arc groove lower section relative position along its axis side with the back side
To equipped with multiple second arc grooves, the arc top of second arc groove upward, multiple perforations is offered in second arc groove
The second air hole.
Preferably, the protection backpiece, the backpiece ontology between the first arc groove, the second arc groove just
The relative position at face and the back side is equipped with third arc groove, and the third arc groove is symmetrically distributed in backpiece body axis both sides,
The arc top of the third arc groove is arranged towards backpiece body axis, and the third that perforation is equipped in the third arc groove is ventilative
Hole.
Preferably, the protection backpiece, the backpiece ontology back side are located above the first arc groove along backpiece ontology
Axis direction is equipped with multiple arcs strengthening groove, and the arc top of the arc strengthening groove is downward.
Preferably, the protection backpiece, the backpiece ontology are made of elastic material.
Preferably, the protection backpiece is equipped with hollow chamber in the backpiece ontology close to edge, described hollow
Multiple dampening assemblies are equipped in chamber, each dampening assembly includes：
First spring, upper and lower ends abut the upper and lower end face of hollow chamber respectively；
First cylinder is located in the first spring, and first cylinder upper surface is abutted with the upper surface of hollow chamber, institute
The first cylinder lower face is stated equipped with a protrusion；
Second cylinder is located in the first spring and below the first cylinder, second cylinder lower face with it is hollow
The lower face of chamber abuts, and a recess is equipped at the respective protrusions of second cylinder upper surface, and the protrusion stretches into recess, institute
It states and is equipped with second spring between protrusion and recess.
Preferably, the protection backpiece, first cylinder, the second cylinder are that magnetic material is made, and described
The opposite end face magnetism of one cylinder, the second cylinder is identical.
Preferably, the protection backpiece, the preparation method of the elastic material include the following steps：
S1, it is that 1~2 part of ammonium hydroxide is dissolved in the water that parts by weight are 4~8 parts by parts by weight, it is 80 that parts by weight, which are then added,
~100 parts of ethyl alcohol after stirring evenly, adds the quanmethyl silicate that parts by weight are 30~40 parts, stirs 1~2h, finally add
Enter the pumice that parts by weight are 40~50 parts, be mixed evenly, be subsequently placed in closed 5~10h in molding die, demoulds, then at
Overcritical lower 20~25h of drying that temperature is 250~260 DEG C, pressure is 8~10Mpa must be modified pumice；
S2, after mixing inorganic micro-and nano-particles with coupling agent, modified inorganic micro-and nano-particles are obtained；The inorganic micro-nano
Rice corpuscles is minimum one kind in talcum powder, illite, mica powder and montmorillonite, the particle size range of the inorganic micro-and nano-particles
For 50~200nm, the coupling agent is titanate coupling agent or silane coupling agent；
S3, it after mixing modified inorganic micro-and nano-particles, modified pumice with siloxane compound, is heated in microwave irradiation
Mixture is obtained to 80~90 DEG C；Then at 60~150 DEG C, mixture is carried out with boron compound to mix cross-linking reaction
0.5~4h obtains shear thickening gel；The shear thickening gel is mixed with additive to get elastic material.
Preferably, the protection backpiece, the siloxane compound are dimethyl siloxane, aminomethyl phenyl silica
Minimum one kind in alkane, ethylsiloxane, hydroxyl siloxanes, phenyl siloxane, hydrogen-containing siloxane, ethoxy radical siloxane；Institute
It is at least one in boron, boron oxide, ortho-boric acid, metaboric acid, tetraboric acid, borate, borate and boric anhydride to state boron compound
Kind；The borate is at least one in five boric acid diammoniums, sodium borate decahydrate, potassium pentaborate, hypoboric acid magnesium, single line borate
Kind；The borate includes the alkyl for being hydrolyzed into boric acid, the organic group borate of allyl boronate/tri-, including triethyl borate,
Triphenyl borate, three benzyl ester of boric acid, tricyclohexyl borate, boric acid three (methyl silicane ester), three tert-butyl ester of boric acid, tri-alkoxy
At least one of boroxin；The additive includes organobentonite, castor oil derivative, aerosil, polyamides
At least one of amine wax, the castor oil derivative include at least one in rilanit special, sulfonated castor oil, epoxidized castor oil
Kind.
Preferably, the protection backpiece, modified inorganic micro-and nano-particles, modified pumice, siloxane compound
Mass ratio is 0.5~1:1~1.5:80~100.
Preferably, the mass ratio of the protection backpiece, shear thickening gel and additive is 1:0.05~0.2.
The present invention includes at least following advantageous effect：
1, protection backpiece of the invention, the first arc groove, the second arc groove in backpiece ontology front and back side setting, first
The first air hole, the second air hole of perforation, the first air hole of setting, second are respectively equipped in arc groove, the second arc groove
Air hole is conducive to ventilation heat extraction and breathes freely, and the first arc groove of setting, the second arc groove are towards on the contrary, be conducive to heat never
It is equidirectional to disperse, improve thermal discharge efficiency.
2, protection backpiece of the invention works as people by the way that multiple dampening assemblies are arranged in its edge in backpiece ontology
When body back is hit, the first spring, second spring in dampening assembly can offset extraneous a part of active force, to subtract
Gently to the injury of human body back, to protect back.
3, protection backpiece of the invention, elastic material used in backpiece ontology its by quanmethyl silicate the water under ammonium hydroxide effect
Solution obtains aerosil, then mixes it with mushy pumice, is then molded in a mold, has obtained pumice and filled out
The aerosil filled is up to modified pumice so that must be modified pumice not only has good pore structure, while also having
There is good compression strength, makes elastic material that there is good damping energy absorption.It is micro- also to contain modified inorganic in elastic material
Nano-particle, by inorganic micro-and nano-particles by that after coupling agent modified, inorganic micro-and nano-particles can be made to be dispersed in silicon
In oxygen alkyl compound, inorganic micro-and nano-particles is finally made to be evenly dispersed in elastic material.Modified pumice, modified inorganic are micro-
The addition of nano-particle makes elastic material state when by percussion that can spontaneously be transformed into hard, the process from softness
Middle absorption energy, to effectively act as protective action.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structural schematic diagram at the backpiece ontology back side in one of present invention technical solution；
Fig. 2 is the positive structural schematic diagram of backpiece ontology in one of present invention technical solution；
Fig. 3 is the positive structural schematic diagram of backpiece ontology in one of present invention technical solution；
Fig. 4 is the structural schematic diagram of dampening assembly in one of present invention technical solution.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of instruction or hint meaning
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the present invention
System.
As shown in figures 1-4, backpiece is protected, including：
Backpiece ontology 1, is adapted with human body back, and 1 front of the backpiece ontology is with back side relative position along its axis
Line direction is equipped with multiple first arc grooves 2, and the arc top of first arc groove 2 downward, offers in first arc groove 2
First air hole 21 of multiple perforations, 1 front of the backpiece ontology are located at relative position edge below the first arc groove with the back side
Its axis direction is equipped with multiple second arc grooves 3, and the arc top of second arc groove 3 upward, opens up in second arc groove 3
There is the second air hole 31 of multiple perforations.
The protection backpiece of the present invention, is placed in riding apparel back pocket or sews on gym suit, tension is ridden when in use
Row clothes or gym suit, make it be bonded human body back, the back side of backpiece ontology 1 is that the face for being close to human body back, another side are then just
Face is equipped with the first arc groove 2, the second arc groove 3, the first arc groove at same position of 1 front of backpiece ontology with the back side
2, same position is respectively equipped with the first air hole 21 of perforation, the second air hole 31 in the second arc groove 3, and the first of setting is ventilative
The heat extraction that is conducive to divulge information of hole 21, the second air hole 31 is ventilative, and be arranged the first arc groove 2, the second arc groove 3 towards on the contrary,
Be conducive to heat to disperse from different directions, improve thermal discharge efficiency.
In another technical solution, the protection backpiece, the backpiece ontology 1 is located at the first arc groove 2, the second arc
The relative position in front and the back side between shape slot 3 is equipped with third arc groove 4, and the third arc groove 4 is symmetrically distributed in shield
Body axis both sides are carried on the back, the arc top of the third arc groove 4 is arranged towards 1 axis of backpiece ontology, is set in the third arc groove 4
There is the third air hole 41 of perforation.In the technical scheme, backpiece ontology 1 is between the first arc groove 2, the second arc groove 3
Front and the same position at the back side at be equipped with third arc groove 4, the third air hole of perforation is equipped in third arc groove 4
41, further enhance ventilation thermal discharge efficiency by the way that third air hole 41 is arranged.
In another technical solution, the protection backpiece, 1 back side of backpiece ontology is located on the first arc groove 2
Side is equipped with multiple arcs strengthening groove 5 along 1 axis direction of backpiece ontology, and the arc top of the arc strengthening groove 5 is downward.
In another technical solution, the protection backpiece, the backpiece ontology 1 is made of elastic material.Elastic material
Material can protect back in collision process.
In another technical solution, the protection backpiece is equipped with hollow cavity in the backpiece ontology 1 close to edge
Room 11, the hollow chamber 11 is interior to be equipped with multiple dampening assemblies 6, and each dampening assembly 6 includes：
First spring 61, upper and lower ends abut the upper and lower end face of hollow chamber 11 respectively；
First cylinder 62 is located in the first spring 61, the upper end of the first cylinder 62 upper surface and hollow chamber 11
Face abuts, and 62 lower face of the first cylinder is equipped with a protrusion 63；
Second cylinder 64 is located in the first spring 61 and positioned at 62 lower section of the first cylinder, 64 lower end of the second cylinder
Face is abutted with the lower face of hollow chamber 11, and a recess 66 is equipped at second cylinder, 64 upper surface respective protrusions 63, described
Protrusion 63 stretches into recess 66, and second spring 65 is equipped between described raised 63 and recess 66.In the technical scheme by
Multiple dampening assemblies 6 are set in backpiece ontology 1 in its edge, when human body back is hit, the in dampening assembly 6
One spring 61, second spring 65 can offset extraneous a part of active force, to mitigate the injury to human body back, to protect
Back.
In another technical solution, the protection backpiece, first cylinder 62, the second cylinder 64 are magnetic material
Material is made, and the opposite end face magnetism of first cylinder 62, the second cylinder 64 is identical.By by the first cylinder 62, the second cylinder
64 are set as magnetic material, and magnetic material has certain physiotherapy function beneficial to health, the first cylinder 62, the second cylinder 64
Opposite end face magnetism is identical, and repulsive force is generated between such first cylinder 62, the second cylinder 64, in this way when backpiece is by the external world
Shock when, repulsive force can offset extraneous partial action power.
In another technical solution, the protection backpiece, the preparation method of the elastic material includes the following steps：
S1, it is that 1 part of ammonium hydroxide is dissolved in the water that parts by weight are 4 parts by parts by weight, the second that parts by weight are 80 parts is then added
Alcohol, after stirring evenly, it is 30 parts of quanmethyl silicate to add parts by weight, stirs 1h, and it is 40 parts light to be eventually adding parts by weight
Stone is mixed evenly, and is subsequently placed in closed 5h in molding die, demoulding, then at temperature be 250 DEG C, pressure is the super of 8Mpa
Critical lower dry 20h must be modified pumice；
S2, after mixing inorganic micro-and nano-particles with coupling agent, modified inorganic micro-and nano-particles are obtained；The inorganic micro-nano
Rice corpuscles is talcum powder, and the grain size of the inorganic micro-and nano-particles is 50nm, and the coupling agent is titanate coupling agent；
S3, it after mixing modified inorganic micro-and nano-particles, modified pumice with siloxane compound, is heated in microwave irradiation
Mixture is obtained to 80 DEG C；Then at 60 DEG C, mixture is carried out with boron compound to mix cross-linking reaction 0.5h, is cut
Cut thickened gel；The shear thickening gel is mixed with additive to get elastic material.Wherein, the modified inorganic micro-nano grain of rice
Son, modified pumice, siloxane compound mass ratio be 0.5:1:80, the mass ratio of shear thickening gel and additive is 1:
0.05.Siloxane compound is methyl phenyl siloxane, and boron compound is boron oxide, and additive is machine bentonite.It will be by
The elastic material that the method is prepared is as experiment 1.
In another technical solution, the protection backpiece, the preparation method of the elastic material includes the following steps：
S1, it is that 1.5 parts of ammonium hydroxide is dissolved in the water that parts by weight are 6 parts by parts by weight, it is 90 parts that parts by weight, which are then added,
Ethyl alcohol after stirring evenly, adds the quanmethyl silicate that parts by weight are 35 parts, stirs 1h, and it is 45 parts to be eventually adding parts by weight
Pumice is mixed evenly, and is subsequently placed in closed 8h in molding die, demoulding, then at temperature be 255 DEG C, pressure is 9Mpa's
Overcritical lower dry 23h must be modified pumice；
S2, after mixing inorganic micro-and nano-particles with coupling agent, modified inorganic micro-and nano-particles are obtained；The inorganic micro-nano
Rice corpuscles is illite, and the grain size of the inorganic micro-and nano-particles is 80nm, and the coupling agent is silane coupling agent；
S3, it after mixing modified inorganic micro-and nano-particles, modified pumice with siloxane compound, is heated in microwave irradiation
Mixture is obtained to 85 DEG C；Then at 120 DEG C, mixture is carried out with boron compound to mix cross-linking reaction 2.5h, is obtained
Shear thickening gel；The shear thickening gel is mixed with additive to get elastic material.Modified inorganic micro-and nano-particles,
It is modified pumice, the mass ratio of siloxane compound is 0.8:1.2:90.The mass ratio of shear thickening gel and additive is 1:
0.1.The siloxane compound is hydroxyl siloxanes；The boron compound is five boric acid diammoniums；The additive is
Sulfonated castor oil.Thus the elastic material that method is prepared is as experiment 2.
In another technical solution, the protection backpiece, the preparation method of the elastic material includes the following steps：
S1, it is that 2 parts of ammonium hydroxide is dissolved in the water that parts by weight are 8 parts by parts by weight, the second that parts by weight are 100 parts is then added
Alcohol, after stirring evenly, it is 40 parts of quanmethyl silicate to add parts by weight, stirs 2h, and it is 50 parts light to be eventually adding parts by weight
Stone is mixed evenly, and is subsequently placed in closed 10h in molding die, demoulding, then at temperature be 260 DEG C, pressure is 10Mpa's
Overcritical lower dry 25h must be modified pumice；
S2, after mixing inorganic micro-and nano-particles with coupling agent, modified inorganic micro-and nano-particles are obtained；The inorganic micro-nano
Rice corpuscles is montmorillonite, and the grain size of the inorganic micro-and nano-particles is 200nm, and the coupling agent is titanate coupling agent；
S3, it after mixing modified inorganic micro-and nano-particles, modified pumice with siloxane compound, is heated in microwave irradiation
Mixture is obtained to 90 DEG C；Then at 150 DEG C, mixture is carried out with boron compound to mix cross-linking reaction 4h, is cut
Cut thickened gel；The shear thickening gel is mixed with additive to get elastic material.Wherein, the modified inorganic micro-nano grain of rice
Son, modified pumice, siloxane compound mass ratio be 1:1.5:100.The mass ratio of shear thickening gel and additive is
1:0.2.The siloxane compound is ethoxy radical siloxane；The boron compound is triphenyl borate.The additive
For polyamide wax.Thus the elastic material that method is prepared is as experiment 3.
In another technical solution, the protection backpiece, the preparation method of the elastic material is the same as experiment 1, difference
It is that prepare elastic material is added without modified pumice in the process, and the elastic material that the method is prepared is as experiment 4.
The elastic material that experiment 1~4 is prepared carries out Mechanics Performance Testing, according to EN1621 Standards for Testing Materials
Surge guard performance, according to the tensile strength and elongation at break of ISO 1798-2008 test materials, test result such as table 1
It is shown.
The elastic material mechanical property that table 1- different experiments methods obtain
| Experiment 1 | Experiment 2 | Experiment 3 | Experiment 4 | |
| Surge guard performance (kN) | 32.08 | 34.12 | 35.26 | 22.63 |
| Tensile strength (MPa) | 8.32 | 8.91 | 9.25 | 4.63 |
| Elongation at break (%) | 172 | 176 | 183 | 143 |
By table 1 experiment 1~experiment 4 it is found that the elastic material have excellent surge guard performance, while by experiment 1 with
4 comparison of experiment is it is found that the addition of modified pumice can further increase the surge guard performance of material.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To the present invention application,
Modifications and variations will be readily apparent to persons skilled in the art.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of protection backpiece, which is characterized in that including：
Backpiece ontology, is adapted with human body back, and backpiece ontology front is with back side relative position along its axis direction
Multiple first arc grooves are equipped with, the arc top of first arc groove downward, multiple perforations is offered in first arc groove
The first air hole, backpiece ontology front and the back side are located at relative position below the first arc groove and are set along its axis direction
There are multiple second arc grooves, the arc top of second arc groove upward, the of multiple perforations to be offered in second arc groove
Two air holes.
2. protection backpiece as described in claim 1, which is characterized in that the backpiece ontology is located at the first arc groove, the second arc
The relative position in front and the back side between shape slot is equipped with third arc groove, and the third arc groove is symmetrically distributed in backpiece sheet
The arc top of body axis both sides, the third arc groove is arranged towards backpiece body axis, and perforation is equipped in the third arc groove
Third air hole.
3. protection backpiece as described in claim 1, which is characterized in that the backpiece ontology back side is located above the first arc groove
It is equipped with multiple arcs strengthening groove along backpiece body axis direction, the arc top of the arc strengthening groove is downward.
4. protection backpiece as described in claim 1, which is characterized in that the backpiece ontology is made of elastic material.
5. protection backpiece as claimed in claim 4, which is characterized in that be equipped with hollow cavity close to edge in the backpiece ontology
Room, multiple dampening assemblies are equipped in the hollow chamber, and each dampening assembly includes：
First spring, upper and lower ends abut the upper and lower end face of hollow chamber respectively；
First cylinder is located in the first spring, and first cylinder upper surface is abutted with the upper surface of hollow chamber, and described the
One cylinder lower face is equipped with a protrusion；
Second cylinder is located in the first spring and below the first cylinder, second cylinder lower face and hollow chamber
Lower face abut, a recess is equipped at the respective protrusions of second cylinder upper surface, the protrusion stretches into recess, described convex
It rises and is equipped with second spring between recess.
6. protection backpiece as claimed in claim 5, which is characterized in that first cylinder, the second cylinder are magnetic material
It is made, the opposite end face magnetism of first cylinder, the second cylinder is identical.
7. protection backpiece as claimed in claim 4, which is characterized in that the preparation method of the elastic material includes following step
Suddenly：
S1, it is that 1~2 part of ammonium hydroxide is dissolved in the water that parts by weight are 4~8 parts by parts by weight, it is 80~100 that parts by weight, which are then added,
The ethyl alcohol of part after stirring evenly, adds the quanmethyl silicate that parts by weight are 30~40 parts, stirs 1~2h, be eventually adding weight
The pumice that part is 40~50 parts, is mixed evenly, is subsequently placed in closed 5~10h in molding die, demoulds, is then at temperature
250~260 DEG C, pressure be 8~10Mpa overcritical lower 20~25h of drying must be modified pumice；
S2, after mixing inorganic micro-and nano-particles with coupling agent, modified inorganic micro-and nano-particles are obtained；The inorganic micro-nano grain of rice
Son is minimum one kind in talcum powder, illite, mica powder and montmorillonite, and the particle size range of the inorganic micro-and nano-particles is 50
~200nm, the coupling agent are titanate coupling agent or silane coupling agent；
S3, after mixing modified inorganic micro-and nano-particles, modified pumice with siloxane compound, 80 are heated in microwave irradiation
~90 DEG C obtain mixture；Then at 60~150 DEG C, by mixture and boron compound mix cross-linking reaction 0.5~
4h obtains shear thickening gel；The shear thickening gel is mixed with additive to get elastic material.
8. protection backpiece according to claim 7, which is characterized in that the siloxane compound is dimethyl silica
Alkane, methyl phenyl siloxane, ethylsiloxane, hydroxyl siloxanes, phenyl siloxane, hydrogen-containing siloxane, ethoxy radical siloxane
In minimum one kind；The boron compound is boron, boron oxide, ortho-boric acid, metaboric acid, tetraboric acid, borate, borate and boron
At least one of acid anhydrides；The borate is five boric acid diammoniums, sodium borate decahydrate, potassium pentaborate, hypoboric acid magnesium, single boron
At least one of sour calcium；The borate includes the alkyl for being hydrolyzed into boric acid, the organic group borate of allyl boronate/tri-,
Including triethyl borate, triphenyl borate, three benzyl ester of boric acid, tricyclohexyl borate, boric acid three (methyl silicane ester), boric acid three
The tert-butyl ester, at least one of tri-alkoxy boroxin；The additive includes organobentonite, castor oil derivative, gas
At least one of aerosil, polyamide wax, the castor oil derivative include rilanit special, sulfonated castor oil, epoxy
Change at least one of castor oil.
9. protection backpiece according to claim 7, which is characterized in that modified inorganic micro-and nano-particles, modified pumice, silica
The mass ratio of alkyl compound is 0.5~1:1~1.5:80~100.
10. protection backpiece according to claim 7, which is characterized in that the mass ratio of shear thickening gel and additive is
1:0.05~0.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810630002.7A CN108671528A (en) | 2018-06-19 | 2018-06-19 | Protect backpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810630002.7A CN108671528A (en) | 2018-06-19 | 2018-06-19 | Protect backpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108671528A true CN108671528A (en) | 2018-10-19 |
Family
ID=63811357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810630002.7A Pending CN108671528A (en) | 2018-06-19 | 2018-06-19 | Protect backpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108671528A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093036A (en) * | 2019-05-16 | 2019-08-06 | 河海大学 | The preparation method of the magnetorheological clay of shear hardening |
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| CN107162627A (en) * | 2015-10-10 | 2017-09-15 | 董晓娜 | A kind of multifunctional green construction material |
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