CN102908747A - Plastic kettle dumbbell and preparation method thereof - Google Patents
Plastic kettle dumbbell and preparation method thereof Download PDFInfo
- Publication number
- CN102908747A CN102908747A CN2012104009241A CN201210400924A CN102908747A CN 102908747 A CN102908747 A CN 102908747A CN 2012104009241 A CN2012104009241 A CN 2012104009241A CN 201210400924 A CN201210400924 A CN 201210400924A CN 102908747 A CN102908747 A CN 102908747A
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- plastic cement
- housing
- shell
- handle
- kettle dumbbell
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Abstract
The invention provides a plastic kettle dumbbell and a preparation method thereof. The plastic kettle dumbbell comprises a shell, wherein the upper part of the shell is provided with a handle; the bottom of the shell is provided with a base; a filler is arranged inside the shell; and the outer surface of the shell is coated with a thermoplastic elastomer. The preparation method comprises the following steps of: molding a half of the shell and a half of the handle by injecting, wherein a half of the shell and a half of the handle are molded integrally; adding a filler into the shell; bonding two shells and two handles into which fillers are added; and in an injection molding die, coating the bonded shells and handles by using the thermoplastic elastomer. According to the kettle dumbbell provided by the invention, the shell is manufactured by adopting an injection molding shell, so that the thickness of the shell is uniform, and the service life is long; and the elastomer is further coated on an outer surface, so that the plastic kettle dumbbell is prevented from being damaged when contacted with the floor or table top. A filler way is adopted, so that kettle dumbbells of different specifications can be manufactured.
Description
Technical field
The present invention relates to the dumbbell technical field, refer to especially a kind of plastic cement kettle dumbbell and preparation method thereof.
Background technology
Dumbbell is a kind of sports equipment commonly used, is used for exercise for power, and the resistive drag force active movement is carried out in the training of muscle composite move, the training muscular strength.The employing pig iron material that existing kettle dumbbell has is cast as blank, then becomes to soak by processing and manufacturing and moulds or Encapsulated dumbbel, need to consume a large amount of pig iron or rubber, and complex procedures, production cost is higher, and environmental pollution is serious.Also has its handle rough surface unprotect layer of part blow-molding kettle dumbbell.These two kinds of kettle dumbbells directly contact with floor or desktop in use, cause easily the damage of floor and desktop.
Therefore, a kind of simple in structure, long service life, the appearance of the plastic cement kettle dumbbell of fragile kiss the earth is not necessary when using simultaneously.
Summary of the invention
The present invention is directed to prior art seek defective, a kind of plastic cement kettle dumbbell and preparation method thereof is proposed, the thickness of shell of this kettle dumbbell is even, long service life, outer surface at housing is coated with elastomer, easy damaged floor or desktop do not reduce the impact of dumbbell simultaneously yet, have further prolonged service life.
Technical scheme of the present invention is achieved in that
A kind of plastic cement kettle dumbbell comprises housing, is provided with handle on the top of described housing, is provided with base in the bottom of described housing, is provided with filler in the inside of described housing, and the outer surface of described housing is coated with thermoplastic elastomer.
As preferred technical scheme, described housing is injection-moulded housing.
As preferred technical scheme, described housing be shaped as almost spherical.
As preferred technical scheme, be provided with anti-skidding TPE at described handle.
As preferential technical scheme, the material of described housing is polyethylene or polypropylene.
As preferred technical scheme, described thermoplastic elastomer is TPU, TPV, TPE or TPR.
A kind of preparation method of plastic cement kettle dumbbell comprises:
Half of one half-sum handle of injection-moulded housing; Half of one half-sum handle of its middle shell is formed in one;
In described housing, add filler;
Bonding 2 described housing and described handles that add filler;
In injection mold, described housing and described handle after use thermoplastic elastomer bag notes are bonding, and get final product.
As preferential technical scheme, the material of described housing is polyethylene or polypropylene.
As preferred technical scheme, described thermoplastic elastomer is TPU, TPV, TPE or TPR.
As preferred technical scheme, the process conditions of half of a half-sum handle of described injection-moulded housing are: temperature 200-230 ℃, and pressure 30-70 kilogram.
As preferred technical scheme, described filler is one or more in shot, ore deposit sand, yellow sand, the cement.
As preferred technical scheme, the process conditions that described bag is annotated are: temperature 180-200 ℃, and pressure 30-70 kilogram.
The injection machine that plastic cement kettle dumbbell of the present invention uses is existing equipment.
Plastic cement kettle dumbbell of the present invention can be made into the product of different size, such as 2kg, 3kg, 4kg, 6kg, 8kg, 10kg, 12kg, 14kg, 16kg, 18kg, 20kg etc.
Plastic cement kettle dumbbell of the present invention is a kind of Excercise training apparatus, selects the dumbbell of Different Weight according to different crowd, strengthens muscle strength of body by training, also can be used as the push-up support body and uses.The lines flow smoothly, different colours different materials, good hand touch.
The present invention compared with prior art has following beneficial effect:
The outer surface of kettle dumbbell of the present invention also is coated with elastomer, and is not fragile when contacting with floor or desktop.Adopt in addition the technique of injection moulding to make housing, so that the even thickness of housing, unlike the distribution that the thickness of the housing of blowing can not wait between 0.3mm-2mm, so easily damage, greatly reduce service life; Thickness of shell has evenly improved the service life of kettle dumbbell to a great extent.Kettle dumbbell of the present invention adopts the mode of filler, can make the kettle dumbbell of different size.The kettle dumbbell of different colours is injection molded by different materials.
Description of drawings
In order to be illustrated more clearly in embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments more of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The stereogram of a kind of plastic cement kettle of Fig. 1 the present invention dumbbell;
The front view of a kind of plastic cement kettle of Fig. 2 the present invention dumbbell.
Number in the figure:
1-plastic cement kettle dumbbell, 11-housing, 12-handle, 13-base, 14-thermoplastic elastomer, anti-skidding TPE121.
The specific embodiment
The below will be clearly and completely described the technical scheme in the embodiment of the invention, and obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Referring to Fig. 1-shown in Figure 2, plastic cement kettle dumbbell 1, comprise housing 11, be provided with handle 12 on the top of described housing 11, be provided with base 13 in the bottom of described housing 11, be provided with filler (not marking among the figure) in the inside of described housing 11, the outer surface of described housing 11 is coated with thermoplastic elastomer 14.Described housing 11 be shaped as almost spherical.The material of described housing 11 can be polyethylene or polypropylene, chooses polyethylene in the present embodiment.Thermoplastic elastomer can be TPU, TPV, TPE or TPR, chooses TPU in the present embodiment.
For anti-skidding, can also be on described handle 12 be provided with anti-skidding TPE121.
The preparation method of above-mentioned plastic cement kettle dumbbell comprises the steps:
Step S1, half of a half-sum handle of injection-moulded housing; Half of one half-sum handle of its middle shell is formed in one; The temperature of injection moulding is 200 ℃, and pressure is 50 kilograms;
Step S2 adds filler in described housing; Wherein filler is one or more in shot, ore deposit sand, yellow sand, the cement; According to the weight requirements of kettle dumbbell, select different fillers, choose the mixture of shot, ore deposit sand and cement in the present embodiment as filler;
Step S3, bonding 2 described housing and handles that add filler; Shape approximation spheroid after 2 housings are bonding, the handle after bonding is positioned at the top of housing, has formed the shape of a kettle dumbbell this moment;
Step S4, bag heat injection plastics elastomer is put into above-mentioned housing and handle after bonding injection mold and is done for the second time injection moulding encapsulate; 180 ℃ of the temperature that bag is annotated, 70 kilograms of pressure.
The plastic cement kettle dumbbell that step S4 is made cleans rear packing.
Embodiment 2
Plastic cement kettle dumbbell as different from Example 1, the material of described housing is polypropylene.Thermoplastic elastomer is TPV.Anti-skidding TPE is not set on the described handle.Filler is different.
The preparation method of above-mentioned plastic cement kettle dumbbell comprises the steps:
Step S1, half of a half-sum handle of injection-moulded housing; Half of one half-sum handle of its middle shell is formed in one; The temperature of injection moulding is 230 ℃, and pressure is 30 kilograms;
Step S2 adds filler in described housing; Wherein filler is one or more in shot, ore deposit sand, yellow sand, the cement; According to the weight requirements of kettle dumbbell, select different fillers, choose ore deposit sand in the present embodiment as filler;
Step S3, bonding 2 described housing and handles that add filler; Shape approximation spheroid after 2 housings are bonding, the handle after bonding is positioned at the top of described housing, has formed the shape of a kettle dumbbell this moment;
Step S4, bag heat injection plastics elastomer is put into above-mentioned housing and handle after bonding injection mold and is done for the second time injection moulding encapsulate; 200 ℃ of the temperature that bag is annotated, 50 kilograms of pressure.
The plastic cement kettle dumbbell that step S4 is made cleans rear packing.
Embodiment 3
Plastic cement kettle dumbbell as different from Example 1, thermoplastic elastomer is TPE.Filler is different.
The preparation method of above-mentioned plastic cement kettle dumbbell comprises the steps:
Step S1, half of a half-sum handle of injection-moulded housing; Half of one half-sum handle of its middle shell is formed in one; The temperature of injection moulding is 220 ℃, and pressure is 70 kilograms;
Step S2 adds filler in described housing; Wherein filler is one or more in shot, ore deposit sand, yellow sand, the cement; According to the weight requirements of kettle dumbbell, select different fillers, choose shot, ore deposit sand, yellow sand and cement in the present embodiment as filler;
Step S3, bonding 2 housing and handles that add filler; Shape approximation spheroid after 2 housings are bonding, the handle after bonding is positioned at the top of described housing, has formed the shape of kettle dumbbell this moment;
Step S4, bag heat injection plastics elastomer is put into above-mentioned housing and handle after bonding injection mold and is done for the second time injection moulding encapsulate; 200 ℃ of the temperature that bag is annotated, 30 kilograms of pressure.
The plastic cement kettle dumbbell that step S4 is made cleans rear packing.
The outer surface of kettle dumbbell of the present invention also is coated with elastomer, and is not fragile when contacting with floor or desktop.Adopt in addition the technique of injection moulding to make housing, so that the even thickness of housing, unlike the distribution that the thickness of the housing of blowing can not wait between 0.3mm-2mm, so easily damage, greatly reduce service life; Thickness of shell has evenly improved the service life of kettle dumbbell to a great extent.Kettle dumbbell of the present invention adopts the mode of filler, can make the kettle dumbbell of different size.The kettle dumbbell of different colours is injection molded by different materials.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a plastic cement kettle dumbbell comprises housing, is provided with handle on the top of described housing, is provided with base in the bottom of described housing, it is characterized in that, be provided with filler in the inside of described housing, the outer surface of described housing is coated with thermoplastic elastomer.
2. a kind of plastic cement kettle dumbbell according to claim 1 is characterized in that described housing is injection-moulded housing.
3. a kind of plastic cement kettle dumbbell according to claim 1 is characterized in that, described housing be shaped as almost spherical.
4. a kind of plastic cement kettle dumbbell according to claim 1 is characterized in that, is provided with anti-skidding TPE at described handle.
5. the described a kind of plastic cement kettle dumbbell of arbitrary claim is characterized in that the material of described housing is polyethylene or polypropylene according to claim 1-4.
6. a kind of plastic cement kettle dumbbell according to claim 5 is characterized in that described thermoplastic elastomer is TPU, TPV, TPE or TPR.
7. the preparation method of a plastic cement kettle dumbbell comprises:
Half of one half-sum handle of injection-moulded housing; Half of one half-sum handle of its middle shell is formed in one;
In described housing, add filler;
Bonding 2 described housing and described handles that add filler;
In injection mold, described housing and described handle after use thermoplastic elastomer bag notes are bonding, and get final product.
8. the preparation method of a kind of plastic cement kettle dumbbell according to claim 7 is characterized in that, the process conditions of half of a half-sum handle of described injection-moulded housing are: temperature 200-230 ℃, and pressure 30-70 kilogram.
9. the preparation method of a kind of plastic cement kettle dumbbell according to claim 7 is characterized in that, described filler is one or more in shot, ore deposit sand, yellow sand, the cement.
10. the preparation method of the described a kind of plastic cement kettle dumbbell of arbitrary claim is characterized in that according to claim 7-9, and the process conditions that described bag is annotated are: temperature 180-200 ℃, and pressure 30-70 kilogram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210400924.1A CN102908747B (en) | 2012-10-19 | 2012-10-19 | Plastic kettle dumbbell and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210400924.1A CN102908747B (en) | 2012-10-19 | 2012-10-19 | Plastic kettle dumbbell and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102908747A true CN102908747A (en) | 2013-02-06 |
| CN102908747B CN102908747B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210400924.1A Expired - Fee Related CN102908747B (en) | 2012-10-19 | 2012-10-19 | Plastic kettle dumbbell and preparation method thereof |
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| CN (1) | CN102908747B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129045A (en) * | 2014-07-28 | 2014-11-05 | 南通宝鹏健身器材科技有限公司 | Injection mold for dumbbell and dumbbell molding technology |
| CN107335172A (en) * | 2017-08-15 | 2017-11-10 | 江苏经贸职业技术学院 | A kind of household portable dumbbell |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2796755Y (en) * | 2005-06-03 | 2006-07-19 | 钟景华 | Body building dumbbell |
| CN201223672Y (en) * | 2008-07-18 | 2009-04-22 | 龚协平 | Novel blowing water jug type dumbbell |
| CN201423112Y (en) * | 2009-05-12 | 2010-03-17 | 龚协平 | Novel blow-molding kettle-type dumbbell |
| US20100248910A1 (en) * | 2009-03-26 | 2010-09-30 | Diluglio Anthony | Variable-weight kettlebell |
| US20100255960A1 (en) * | 2009-04-07 | 2010-10-07 | Fitness Equipment Manufacturing, Llc | Kettlebell |
| CN201684345U (en) * | 2010-05-21 | 2010-12-29 | 岑建力 | Body-building device |
| CN202146541U (en) * | 2011-07-22 | 2012-02-22 | 南通铁人运动用品有限公司 | Kettle bell |
-
2012
- 2012-10-19 CN CN201210400924.1A patent/CN102908747B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2796755Y (en) * | 2005-06-03 | 2006-07-19 | 钟景华 | Body building dumbbell |
| CN201223672Y (en) * | 2008-07-18 | 2009-04-22 | 龚协平 | Novel blowing water jug type dumbbell |
| US20100248910A1 (en) * | 2009-03-26 | 2010-09-30 | Diluglio Anthony | Variable-weight kettlebell |
| US20100255960A1 (en) * | 2009-04-07 | 2010-10-07 | Fitness Equipment Manufacturing, Llc | Kettlebell |
| CN201423112Y (en) * | 2009-05-12 | 2010-03-17 | 龚协平 | Novel blow-molding kettle-type dumbbell |
| CN201684345U (en) * | 2010-05-21 | 2010-12-29 | 岑建力 | Body-building device |
| CN202146541U (en) * | 2011-07-22 | 2012-02-22 | 南通铁人运动用品有限公司 | Kettle bell |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129045A (en) * | 2014-07-28 | 2014-11-05 | 南通宝鹏健身器材科技有限公司 | Injection mold for dumbbell and dumbbell molding technology |
| CN104129045B (en) * | 2014-07-28 | 2016-08-17 | 南通宝鹏健身器材科技有限公司 | Dumbbell injection mold and dumbbell moulding process |
| CN107335172A (en) * | 2017-08-15 | 2017-11-10 | 江苏经贸职业技术学院 | A kind of household portable dumbbell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102908747B (en) | 2016-04-27 |
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