CN107972720B - Adopt electronic automatic folding baby's handcart - Google Patents
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- CN107972720B CN107972720B CN201711220403.7A CN201711220403A CN107972720B CN 107972720 B CN107972720 B CN 107972720B CN 201711220403 A CN201711220403 A CN 201711220403A CN 107972720 B CN107972720 B CN 107972720B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses an electric automatic folding baby stroller, which comprises an electric frame and a baby seat, wherein the baby seat is arranged above the electric frame and is fixed with the electric frame; the electric vehicle frame comprises a vehicle frame main body, a rear wheel arranged on one side below the vehicle frame main body, a front wheel arranged on the other side below the vehicle frame main body, an electric push rod arranged above the vehicle frame main body, a fixed seat arranged at the upper end of the electric push rod and fixed with the electric push rod, and a main rod arranged above the electric push rod and connected with the electric push rod; the baby seat comprises a seat body, screws arranged on two sides of the seat body and used for being connected with the fixed seat, and a roof arranged at the upper end of the seat body and used for shading sun; through combining electric vehicle frame and baby seat, constitute one and carry out automatic folding baby's handcart through electronic, but the person of facilitating the use has safe and reliable, convenient to use and automatic folding fast advantage through folding the use.
Description
Technical Field
The invention relates to an electric automatic folding baby stroller.
Background
At present, the market for a baby carriage as a vehicle for playing, resting and riding instead of walking for babies has begun to show a great demand. However, in the case of the baby carriage on the market, the direction of expansion mostly stays in the field of how to make the baby more comfortable. At present, the pushchair has a baby carriage used by one person, and also has a baby carriage combined into a whole by two baby carriages used by one person, the pushchair is large in size, not only needs to occupy a large space when going out and placing, but also is damaged by the fact that the pushchair is not firm enough in structure when being used, and particularly, the pushchair is inconvenient to turn during pushing, and has a lot of defects in design. There is an excellent design for a stroller used by a single person at home and abroad, and a designer has only paid attention to a twin body, and does not integrate ideas such as space utilization, intensive functions and the like.
At present, in the design of the frame structure of a stroller, in order to meet the requirements of practicability and convenience for consumers, the stroller is generally designed to be foldable so as to be unfolded into the stroller when in use, and to be foldable into a smaller volume when not in use so as to be convenient for storage or carrying. However, most of the existing foldable strollers are manually operated, and the folding process is slow, which causes inconvenience in folding. Therefore, in summary, the conventional baby carriage has many problems of insufficient safety and reliability, inconvenient use and slow folding speed.
Disclosure of Invention
In view of the above, the present invention is to provide a stroller that is automatically foldable by an electric power by combining an electric frame and a stroller seat, and is convenient for a user to use the stroller by folding, and has the advantages of safety, reliability, convenient use, and fast automatic folding.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an electric automatic folding baby stroller comprises an electric frame and a baby seat which is arranged above the electric frame and fixed with the electric frame; the electric vehicle frame comprises a vehicle frame main body, a rear wheel arranged on one side below the vehicle frame main body, a front wheel arranged on the other side below the vehicle frame main body, an electric push rod arranged above the vehicle frame main body, a fixed seat arranged at the upper end of the electric push rod and fixed with the electric push rod, and a main rod arranged above the electric push rod and connected with the electric push rod; the baby seat comprises a seat body, screws arranged on two sides of the seat body and used for being connected with the fixed seat, and a roof arranged at the upper end of the seat body and used for shading sun.
Further, the frame main part is claw type setting, and the frame main part is located one side of front wheel and is provided with puts the thing platform, it is provided with the battery of being connected with electric putter to put the thing bench.
Furthermore, the fixing seat is arranged in a V shape and can accommodate the seat body, and the fixing seat is tightly fixed with the seat body.
Further, a handle for controlling the baby stroller is arranged at the upper end of the main rod.
Furthermore, a foot protection frame extends from the front end of the seat body, and the foot protection frame and the seat body are integrally formed.
Further, the foot protection frame is prepared from the following raw materials in parts by weight: 100-140 parts of acrylic resin, 70-100 parts of styrene-butadiene rubber, 45-53 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer, 20-26 parts of dibasic lead phosphite, 15-24 parts of silicon carbide whisker, 21-26 parts of long glass fiber, 14-19 parts of calcium silicate, 10-14 parts of superfine calcium carbonate, 20-28 parts of superfine talcum powder, 11-15 parts of magnesium powder, 10-14 parts of ethylene-vinyl acetate copolymer wax, 8-12 parts of stearic acid, 20-30 parts of propylene glycol, 5-7 parts of polyacrylate compatilizer and 11-19 parts of urea resin vulcanization accelerator.
Furthermore, a guard rail is arranged at the upper end of the seat body, and the guard rail and the seat body are integrally formed.
Furthermore, a movable frame fixed with the roof is arranged at the opening end of the roof, and two ends of the movable frame 1 are hinged with the seat body.
Another technical problem to be solved by the present invention is to provide a method for preparing a foot protection frame, comprising the following steps:
1) adding 14-19 parts of calcium carbonate, 10-14 parts of superfine calcium carbonate, 20-28 parts of superfine talcum powder and 11-15 parts of strong magnesium powder into a ball mill, and continuously performing ball milling processing for 1-3 hours by the ball mill, so that the materials are uniformly mixed in the ball milling process to prepare mixed powder of 200 meshes for later use;
2) adding the mixed powder prepared in the step 1) into a stirring barrel, adding water in an amount which is 3 times the weight of the mixed powder, and simultaneously starting a stirrer to stir at a rotating speed of 40r/pm so that the mixed powder is uniformly dissolved in the water to prepare filler slurry for later use;
3) adding 140 parts of acrylic resin, 70-100 parts of styrene-butadiene rubber, 45-53 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer and 10-14 parts of ethylene-vinyl acetate copolymer wax into a reaction kettle, sealing the reaction kettle, and continuously heating for 1-2 hours to raise the temperature to 300-380 ℃, so that the acrylic resin, the styrene-butadiene rubber, the chlorinated polyacrylic acid-butadiene-styrene copolymer and the ethylene-vinyl acetate copolymer wax are promoted by propylene glycol to be melted into glue liquid in the reaction kettle for later use;
4) adding 20-26 parts of dibasic lead phosphite, 15-24 parts of silicon carbide whisker and 21-26 parts of long glass fiber into the reaction kettle in the step 3), starting a stirrer in the reaction kettle to perform rotary stirring at 30r/pm, so that the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber are uniformly mixed with the glue solution, the plasticity of the glue solution is enhanced, and the radiation shielding performance of the glue solution is improved through the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber agent for later use;
5) adding 8-12 parts of stearic acid, 5-7 parts of polyacrylate compatilizer and 11-19 parts of urea resin vulcanization accelerator into the kettle in the step 4), stirring and mixing the filler slurry and the prepared glue solution through the polyacrylate compatilizer, and uniformly dispersing the mixture in the glue solution for later use;
6) injecting the glue solution prepared in the step 7) onto a prepared mould through a casting machine to prepare a foot protection frame blank, standing and naturally cooling for later use;
7) conveying the foot protection frame blank prepared in the step 6) into a vulcanizing machine, and heating and vulcanizing at the high temperature of 140-150 ℃ for 30 minutes to enhance the density, tensile strength and rebound resilience of the foot protection frame blank for later use;
8) taking out the vulcanized foot protection frame blank in the step 7), and continuously polishing the surface of the foot protection frame blank by a polishing machine to obtain the foot protection frame.
The technical effects of the invention are mainly reflected in the following aspects: the electric baby carriage is combined with a baby seat to form a baby carriage which can be automatically folded through electromotion, the baby carriage can be conveniently folded by a user, and has the advantages of safety, reliability, convenient use and quick automatic folding, the baby seat is provided with a rubber solution which is prepared by melting acrylic resin, styrene-butadiene rubber, chlorinated polyacrylic acid-butadiene-styrene copolymer and ethylene-vinyl acetate copolymer wax through propylene glycol at high temperature to obtain high-viscosity rubber solution, dibasic lead phosphite, silicon carbide whisker, long glass fiber, calcium silicate, superfine calcium carbonate, superfine talcum powder and magnesium strong powder are added into the rubber solution to enhance the hardness of the prepared foot protection frame, stearic acid, polyacrylate compatilizer and urea resin vulcanization accelerator are added to promote the compatibility degree of the rubber solution and the filler and further improve the strength of the foot protection frame, the density, tensile strength and rebound resilience of the foot protection frame are enhanced, and the foot protection frame is not easy to crack and oxidize.
Drawings
Fig. 1 is a structural view of a stroller of the present invention which is automatically folded by an electric power.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
An electric automatic folding baby stroller comprises an electric frame 1 and a baby seat 2 which is arranged above the electric frame 1 and fixed with the electric frame 1; the electric vehicle frame 1 comprises a vehicle frame main body 11, a rear wheel 12 arranged on one side below the vehicle frame main body 11, a front wheel 13 arranged on the other side below the vehicle frame main body 11, an electric push rod 14 arranged above the vehicle frame main body 11, a fixed seat 15 arranged at the upper end of the electric push rod 14 and fixed with the electric push rod 14, and a main rod 16 arranged above the electric push rod 14 and connected with the electric push rod 14; the frame body 11 is arranged in a claw shape, one side of the frame body 11, which is located at the front wheel, is provided with an object placing table 111, and the object placing table 111 is provided with a storage battery 112 electrically connected with the electric push rod 14. The fixing seat 15 is arranged in a V shape and can accommodate the seat body 21, the fixing seat 15 and the seat body 21 are tightly fixed, and the fixing seat 15 and the seat body 21 can be fixed by nailing through a screw 22. The upper end of the main bar 16 is provided with a handle 161 for controlling the baby stroller. The infant seat 2 includes a seat body 21, screws 22 disposed at both sides of the seat body 21 for connecting with the fixing base 15, and a canopy 23 disposed at an upper end of the seat body 21 for shading sunlight. A foot guard 211 extends from the front end of the seat body 21, and the foot guard 211 is integrally formed with the seat body 21. The upper end of the seat body 21 is provided with a guard rail 212, and the guard rail 212 is integrally formed with the seat body 21. The opening end of the roof 23 is provided with a movable frame 231 fixed with the roof 23, and two ends of the movable frame 231 are hinged with the seat body 21. In the present embodiment, the electric putter 14 has a model number CKEY1, and the secondary battery 112 has a model number 6-QA-165 DF.
The foot protection frame 211 is prepared from the following raw materials in parts by weight: 100-140 parts of acrylic resin, 70-100 parts of styrene-butadiene rubber, 45-53 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer, 20-26 parts of dibasic lead phosphite, 15-24 parts of silicon carbide whisker, 21-26 parts of long glass fiber, 14-19 parts of calcium silicate, 10-14 parts of superfine calcium carbonate, 20-28 parts of superfine talcum powder, 11-15 parts of magnesium powder, 10-14 parts of ethylene-vinyl acetate copolymer wax, 8-12 parts of stearic acid, 20-30 parts of propylene glycol, 5-7 parts of polyacrylate compatilizer and 11-19 parts of urea resin vulcanization accelerator.
A preparation method of a foot protection frame comprises the following steps:
1) adding 14 parts of calcium silicate, 10 parts of superfine calcium carbonate, 20 parts of superfine talcum powder and 11 parts of strong magnesium powder into a ball mill, and continuously performing ball milling processing for 1 hour by the ball mill to uniformly mix the materials in the ball milling process to prepare 200-mesh mixed powder for later use;
2) adding the mixed powder prepared in the step 1) into a stirring barrel, adding water in an amount which is 3 times the weight of the mixed powder, and simultaneously starting a stirrer to stir at a rotating speed of 40r/pm so that the mixed powder is uniformly dissolved in the water to prepare filler slurry for later use;
3) adding 140 parts of acrylic resin, 70 parts of styrene-butadiene rubber, 45 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer and 20 parts of propylene glycol, 10 parts of ethylene-vinyl acetate copolymer wax, into a reaction kettle, sealing the reaction kettle, continuously heating for 1 hour to raise the temperature to 300 ℃, and promoting the acrylic resin, the styrene-butadiene rubber, the chlorinated polyacrylic acid-butadiene-styrene copolymer and the ethylene-vinyl acetate copolymer wax to be melted into glue solution in the reaction kettle by the propylene glycol for later use;
4) adding 20 parts of dibasic lead phosphite, 15 parts of silicon carbide whisker and 21 parts of long glass fiber into the reaction kettle in the step 3), starting a stirrer in the reaction kettle to perform rotary stirring at 30r/pm, so that the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber are uniformly mixed with the glue solution, the plasticity of the glue solution is enhanced, and the radiation shielding performance of the glue solution is improved through the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber agent for later use;
5) adding 8 parts of stearic acid, 5 parts of polyacrylate compatilizer and 11 parts of urea resin vulcanization accelerator into the kettle in the step 4), stirring and mixing the filler slurry and the prepared glue solution through the polyacrylate compatilizer, and uniformly dispersing the mixture in the glue solution for later use;
6) injecting the glue solution prepared in the step 7) onto a prepared mould through a casting machine to prepare a foot protection frame blank, standing and naturally cooling for later use;
7) conveying the foot protection frame blank prepared in the step 6) into a vulcanizing machine, and heating and vulcanizing at the high temperature of 140 ℃ for 30 minutes to enhance the density, tensile strength and resilience of the foot protection frame blank for later use;
8) taking out the vulcanized foot protection frame blank in the step 7), and continuously polishing the surface of the foot protection frame blank by a polishing machine to obtain the foot protection frame.
Example 2
An electric automatic folding baby stroller comprises an electric frame 1 and a baby seat 2 which is arranged above the electric frame 1 and fixed with the electric frame 1; the electric vehicle frame 1 comprises a vehicle frame main body 11, a rear wheel 12 arranged on one side below the vehicle frame main body 11, a front wheel 13 arranged on the other side below the vehicle frame main body 11, an electric push rod 14 arranged above the vehicle frame main body 11, a fixed seat 15 arranged at the upper end of the electric push rod 14 and fixed with the electric push rod 14, and a main rod 16 arranged above the electric push rod 14 and connected with the electric push rod 14; the frame body 11 is arranged in a claw shape, one side of the frame body 11, which is located at the front wheel, is provided with an object placing table 111, and the object placing table 111 is provided with a storage battery 112 electrically connected with the electric push rod 14. The fixing seat 15 is arranged in a V shape and can accommodate the seat body 21, the fixing seat 15 and the seat body 21 are tightly fixed, and the fixing seat 15 and the seat body 21 can be fixed by nailing through a screw 22. The upper end of the main bar 16 is provided with a handle 161 for controlling the baby stroller. The infant seat 2 includes a seat body 21, screws 22 disposed at both sides of the seat body 21 for connecting with the fixing base 15, and a canopy 23 disposed at an upper end of the seat body 21 for shading sunlight. A foot guard 211 extends from the front end of the seat body 21, and the foot guard 211 is integrally formed with the seat body 21. The upper end of the seat body 21 is provided with a guard rail 212, and the guard rail 212 is integrally formed with the seat body 21. The opening end of the roof 23 is provided with a movable frame 231 fixed with the roof 23, and two ends of the movable frame 231 are hinged with the seat body 21. In the present embodiment, the electric putter 14 has a model number CKEY1, and the secondary battery 112 has a model number 6-QA-165 DF.
The foot protection frame 211 is prepared from the following raw materials in parts by weight: 100 parts of acrylic resin, 100 parts of styrene-butadiene rubber, 53 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer, 26 parts of dibasic lead phosphite, 24 parts of silicon carbide whisker, 26 parts of long glass fiber, 19 parts of calcium silicate, 14 parts of superfine calcium carbonate, 28 parts of superfine talcum powder, 15 parts of magnesium powder, 14 parts of ethylene-vinyl acetate copolymer wax, 12 parts of stearic acid, 30 parts of propylene glycol, 7 parts of polyacrylate compatilizer and 19 parts of urea resin vulcanization accelerator.
A preparation method of a foot protection frame comprises the following steps:
1) adding 19 parts of calcium silicate, 14 parts of superfine calcium carbonate, 28 parts of superfine talcum powder and 15 parts of strong magnesium powder into a ball mill, and continuously performing ball milling processing for 3 hours by the ball mill to uniformly mix the materials in the ball milling process to prepare 200-mesh mixed powder for later use;
2) adding the mixed powder prepared in the step 1) into a stirring barrel, adding water in an amount which is 3 times the weight of the mixed powder, and simultaneously starting a stirrer to stir at a rotating speed of 40r/pm so that the mixed powder is uniformly dissolved in the water to prepare filler slurry for later use;
3) adding 100 parts of acrylic resin, 100 parts of styrene-butadiene rubber, 53 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer and 14 parts of ethylene-vinyl acetate copolymer wax into a reaction kettle, sealing the reaction kettle, continuously heating for 2 hours to raise the temperature to 380 ℃, and promoting the acrylic resin, the styrene-butadiene rubber, the chlorinated polyacrylic acid-butadiene-styrene copolymer and the ethylene-vinyl acetate copolymer wax to be melted into glue solution in the reaction kettle by propylene glycol for later use;
4) adding 26 parts of dibasic lead phosphite, 24 parts of silicon carbide whisker and 26 parts of long glass fiber into the reaction kettle in the step 3), starting a stirrer in the reaction kettle to perform rotary stirring at 30r/pm, so that the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber are uniformly mixed with the glue solution, the plasticity of the glue solution is enhanced, and the radiation shielding performance of the glue solution is improved through the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber agent for later use;
5) adding 12 parts of stearic acid, 7 parts of polyacrylate compatilizer and 19 parts of urea resin vulcanization accelerator into the kettle in the step 4), stirring and mixing the filler slurry and the prepared glue solution through the polyacrylate compatilizer, and uniformly dispersing the mixture in the glue solution for later use;
6) injecting the glue solution prepared in the step 7) onto a prepared mould through a casting machine to prepare a foot protection frame blank, standing and naturally cooling for later use;
7) conveying the foot protection frame blank prepared in the step 6) into a vulcanizing machine, and heating and vulcanizing at the high temperature of 150 ℃ for 30 minutes to enhance the density, tensile strength and resilience of the foot protection frame blank for later use;
8) taking out the vulcanized foot protection frame blank in the step 7), and continuously polishing the surface of the foot protection frame blank by a polishing machine to obtain the foot protection frame.
Example 3
An electric automatic folding baby stroller comprises an electric frame 1 and a baby seat 2 which is arranged above the electric frame 1 and fixed with the electric frame 1; the electric vehicle frame 1 comprises a vehicle frame main body 11, a rear wheel 12 arranged on one side below the vehicle frame main body 11, a front wheel 13 arranged on the other side below the vehicle frame main body 11, an electric push rod 14 arranged above the vehicle frame main body 11, a fixed seat 15 arranged at the upper end of the electric push rod 14 and fixed with the electric push rod 14, and a main rod 16 arranged above the electric push rod 14 and connected with the electric push rod 14; the frame body 11 is arranged in a claw shape, one side of the frame body 11, which is located at the front wheel, is provided with an object placing table 111, and the object placing table 111 is provided with a storage battery 112 electrically connected with the electric push rod 14. The fixing seat 15 is arranged in a V shape and can accommodate the seat body 21, the fixing seat 15 and the seat body 21 are tightly fixed, and the fixing seat 15 and the seat body 21 can be fixed by nailing through a screw 22. The upper end of the main bar 16 is provided with a handle 161 for controlling the baby stroller. The infant seat 2 includes a seat body 21, screws 22 disposed at both sides of the seat body 21 for connecting with the fixing base 15, and a canopy 23 disposed at an upper end of the seat body 21 for shading sunlight. A foot guard 211 extends from the front end of the seat body 21, and the foot guard 211 is integrally formed with the seat body 21. The upper end of the seat body 21 is provided with a guard rail 212, and the guard rail 212 is integrally formed with the seat body 21. The opening end of the roof 23 is provided with a movable frame 231 fixed with the roof 23, and two ends of the movable frame 231 are hinged with the seat body 21. In the present embodiment, the electric putter 14 has a model number CKEY1, and the secondary battery 112 has a model number 6-QA-165 DF.
The foot protection frame 211 is prepared from the following raw materials in parts by weight: 120 parts of acrylic resin, 85 parts of styrene-butadiene rubber, 49 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer, 23 parts of dibasic lead phosphite, 19.5 parts of silicon carbide whisker, 23.5 parts of long glass fiber, 16.5 parts of calcium silicate, 12 parts of superfine calcium carbonate, 24 parts of superfine talcum powder, 13 parts of magnesium powder, 12 parts of ethylene-vinyl acetate copolymer wax, 10 parts of stearic acid, 25 parts of propylene glycol, 6 parts of polyacrylate compatilizer and 15 parts of urea resin vulcanization accelerator.
A preparation method of a foot protection frame comprises the following steps:
1) adding 16.5 parts of calcium silicate, 12 parts of superfine calcium carbonate, 24 parts of superfine talcum powder and 13 parts of strong magnesium powder into a ball mill, and continuously performing ball milling processing for 2 hours by the ball mill, so that the materials are uniformly mixed in the ball milling process to prepare mixed powder of 200 meshes for later use;
2) adding the mixed powder prepared in the step 1) into a stirring barrel, adding water in an amount which is 3 times the weight of the mixed powder, and simultaneously starting a stirrer to stir at a rotating speed of 40r/pm so that the mixed powder is uniformly dissolved in the water to prepare filler slurry for later use;
3) adding 120 parts of acrylic resin, 85 parts of styrene-butadiene rubber, 49 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer and 12 parts of ethylene-vinyl acetate copolymer wax into a reaction kettle, sealing the reaction kettle, continuously heating for 1.5 hours to raise the temperature to 340 ℃, and promoting the acrylic resin, the styrene-butadiene rubber, the chlorinated polyacrylic acid-butadiene-styrene copolymer and the ethylene-vinyl acetate copolymer wax to be melted into glue solution in the reaction kettle by propylene glycol for later use;
4) adding 23 parts of dibasic lead phosphite, 19.5 parts of silicon carbide whisker and 23.5 parts of long glass fiber into the reaction kettle in the step 3), starting a stirrer in the reaction kettle to perform rotary stirring at 30r/pm, so that the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber are uniformly mixed with the glue solution, the plasticity of the glue solution is enhanced, and the radiation shielding performance of the glue solution is improved through the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber agent for later use;
5) adding 10 parts of stearic acid, 6 parts of polyacrylate compatilizer and 15 parts of urea resin vulcanization accelerator into the kettle in the step 4), stirring and mixing the filler slurry and the prepared glue solution through the polyacrylate compatilizer, and uniformly dispersing the mixture in the glue solution for later use;
6) injecting the glue solution prepared in the step 7) onto a prepared mould through a casting machine to prepare a foot protection frame blank, standing and naturally cooling for later use;
7) conveying the foot protection frame blank prepared in the step 6) into a vulcanizing machine, and heating and vulcanizing at the high temperature of 145 ℃ for 30 minutes to enhance the density, tensile strength and resilience of the foot protection frame blank for later use;
8) taking out the vulcanized foot protection frame blank in the step 7), and continuously polishing the surface of the foot protection frame blank by a polishing machine to obtain the foot protection frame.
Examples of the experiments
The standard performance indexes of the foot protection frame are shown in the following table:
| serial number | Item | Index (I) |
| 1 | Tensile strength | ≥21.5 |
| 2 | Density of | 1.5g/cm |
| 3 | Rebound resilience | ≥40％ |
| 4 | Shielding ratio of ultraviolet ray | ≥80％ |
Subject: the foot protection frame made of single epoxy resin is used as a first control group, the foot protection frame made of single phenolic resin is used as a second control group, and the foot protection frame made by the formula is used as an experimental group.
Experimental equipment: the model of the detection equipment is an AGS-5KNG Shimadzu universal tester.
Measurement method and evaluation basis: GB/T1040.2-2006 determination of tensile Properties of plastics.
The experimental requirements are as follows: comparing the three groups of experimental objects, respectively carrying out stretching, weight measurement, rebound and ultraviolet shielding detection on the three groups of experimental objects, and obtaining the following data, wherein the specific results are shown in the following table:
in combination with the above table, the data obtained by three different experimental methods of three different experimental subjects are compared, and the obtained data shows that the effect of the foot protection frame is superior to that of two control groups under three experimental tests.
The technical effects of the invention are mainly reflected in the following aspects: the electric baby carriage is combined with a baby seat to form a baby carriage which can be automatically folded through electromotion, the baby carriage can be conveniently folded by a user, and has the advantages of safety, reliability, convenient use and quick automatic folding, the baby seat is provided with a rubber solution which is prepared by melting acrylic resin, styrene-butadiene rubber, chlorinated polyacrylic acid-butadiene-styrene copolymer and ethylene-vinyl acetate copolymer wax through propylene glycol at high temperature to obtain high-viscosity rubber solution, dibasic lead phosphite, silicon carbide whisker, long glass fiber, calcium silicate, superfine calcium carbonate, superfine talcum powder and magnesium strong powder are added into the rubber solution to enhance the hardness of the prepared foot protection frame, stearic acid, polyacrylate compatilizer and urea resin vulcanization accelerator are added to promote the compatibility degree of the rubber solution and the filler and further improve the strength of the foot protection frame, the density, tensile strength and rebound resilience of the foot protection frame are enhanced, and the foot protection frame is not easy to crack and oxidize.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (6)
1. An electric automatic folding baby stroller comprises an electric frame and a baby seat which is arranged above the electric frame and fixed with the electric frame; the method is characterized in that: the electric vehicle frame comprises a vehicle frame main body, a rear wheel arranged on one side below the vehicle frame main body, a front wheel arranged on the other side below the vehicle frame main body, an electric push rod arranged above the vehicle frame main body, a fixed seat arranged at the upper end of the electric push rod and fixed with the electric push rod, and a main rod arranged above the electric push rod and connected with the electric push rod; the baby seat comprises a seat body, screws arranged on two sides of the seat body and used for being connected with the fixed seat, and a roof arranged at the upper end of the seat body and used for shading sun; the front end of the seat body is provided with a foot protection frame in an extending mode, and the foot protection frame and the seat body are integrally formed; the foot protection frame is prepared from the following raw materials in parts by weight: 100-140 parts of acrylic resin, 70-100 parts of styrene-butadiene rubber, 45-53 parts of chlorinated polyacrylic butadiene-styrene copolymer, 20-26 parts of dibasic lead phosphite, 15-24 parts of silicon carbide whisker, 21-26 parts of long glass fiber, 14-19 parts of calcium silicate, 10-14 parts of superfine calcium carbonate, 20-28 parts of superfine talcum powder, 11-15 parts of magnesium powder, 10-14 parts of ethylene-vinyl acetate copolymer wax, 8-12 parts of stearic acid, 20-30 parts of propylene glycol, 5-7 parts of polyacrylate compatilizer and 11-19 parts of urea grease vulcanization accelerator; the preparation method of the foot protection frame comprises the following steps:
1) adding 14-19 parts of calcium carbonate, 10-14 parts of superfine calcium carbonate, 20-28 parts of superfine talcum powder and 11-15 parts of strong magnesium powder into a ball mill, and continuously performing ball milling processing for 1-3 hours by the ball mill, so that the materials are uniformly mixed in the ball milling process to prepare mixed powder of 200 meshes for later use;
2) adding the mixed powder prepared in the step 1) into a stirring barrel, adding water in an amount which is 3 times the weight of the mixed powder, and simultaneously starting a stirrer to stir at a rotating speed of 40r/pm so that the mixed powder is uniformly dissolved in the water to prepare filler slurry for later use;
3) adding 140 parts of acrylic resin, 70-100 parts of styrene-butadiene rubber, 45-53 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer and 10-14 parts of ethylene-vinyl acetate copolymer wax into a reaction kettle, sealing the reaction kettle, and continuously heating for 1-2 hours to raise the temperature to 300-380 ℃, so that the acrylic resin, the styrene-butadiene rubber, the chlorinated polyacrylic acid-butadiene-styrene copolymer and the ethylene-vinyl acetate copolymer wax are promoted by propylene glycol to be melted into glue liquid in the reaction kettle for later use;
4) adding 20-26 parts of dibasic lead phosphite, 15-24 parts of silicon carbide whisker and 21-26 parts of long glass fiber into the reaction kettle in the step 3), starting a stirrer in the reaction kettle to perform rotary stirring at 30r/pm, so that the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber are uniformly mixed with the glue solution, the plasticity of the glue solution is enhanced, and the radiation shielding performance of the glue solution is improved through the dibasic lead phosphite, the silicon carbide whisker and the long glass fiber agent for later use;
5) adding 8-12 parts of stearic acid, 5-7 parts of polyacrylate compatilizer and 11-19 parts of urea resin vulcanization accelerator into the kettle in the step 4), stirring and mixing the filler slurry and the prepared glue solution through the polyacrylate compatilizer, and uniformly dispersing the mixture in the glue solution for later use;
6) injecting the glue solution prepared in the step 7) onto a prepared mould through a casting machine to prepare a foot protection frame blank, standing and naturally cooling for later use;
7) conveying the foot protection frame blank prepared in the step 6) into a vulcanizing machine, and heating and vulcanizing at the high temperature of 140-150 ℃ for 30 minutes to enhance the density, tensile strength and rebound resilience of the foot protection frame blank for later use;
8) taking out the vulcanized foot protection frame blank in the step 7), and continuously polishing the surface of the foot protection frame blank by a polishing machine to obtain the foot protection frame.
2. The stroller of claim 1, further comprising: the frame main part is claw type setting, and the frame main part is located one side of front wheel and is provided with puts the thing platform, it is provided with the battery of being connected with electric putter to put the thing bench.
3. The stroller of claim 2, further comprising: the fixing seat is arranged in a V shape and can accommodate the seat body, and the fixing seat and the seat body are tightly fixed.
4. A stroller according to claim 3, wherein said stroller is provided with an automatic power folding mechanism, said automatic folding mechanism comprising: the upper end of the main rod is provided with a handle for controlling the baby stroller.
5. The stroller of claim 4, further comprising: the seat is characterized in that a guard rail is arranged at the upper end of the seat body, and the guard rail and the seat body are integrally formed.
6. An electric auto-folding stroller according to claim 5, wherein: the opening end of the roof is provided with a movable frame fixed with the roof, and two ends of the movable frame are hinged with the seat body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220403.7A CN107972720B (en) | 2017-11-28 | 2017-11-28 | Adopt electronic automatic folding baby's handcart |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711220403.7A CN107972720B (en) | 2017-11-28 | 2017-11-28 | Adopt electronic automatic folding baby's handcart |
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| CN107972720A CN107972720A (en) | 2018-05-01 |
| CN107972720B true CN107972720B (en) | 2021-01-05 |
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| CN201711220403.7A Active CN107972720B (en) | 2017-11-28 | 2017-11-28 | Adopt electronic automatic folding baby's handcart |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109969247B (en) * | 2019-03-14 | 2021-08-24 | 江苏理工学院 | Control system and control method of induction-driven type automatic walking folding baby carriage |
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| CN1571743A (en) * | 2001-10-22 | 2005-01-26 | 斯多克格鲁潘联合股份有限公司 | Trolley |
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| CN107972720A (en) | 2018-05-01 |
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