CN102908747B - Plastic kettle dumbbell and preparation method thereof - Google Patents
Plastic kettle dumbbell and preparation method thereof Download PDFInfo
- Publication number
- CN102908747B CN102908747B CN201210400924.1A CN201210400924A CN102908747B CN 102908747 B CN102908747 B CN 102908747B CN 201210400924 A CN201210400924 A CN 201210400924A CN 102908747 B CN102908747 B CN 102908747B
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- China
- Prior art keywords
- housing
- handle
- described housing
- filler
- kettle dumbbell
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- Expired - Fee Related
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 32
- 229920003023 plastic Polymers 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 31
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000012467 final product Substances 0.000 claims abstract description 3
- 239000004576 sand Substances 0.000 claims description 13
- -1 polyethylene Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 abstract description 9
- 229920001971 elastomer Polymers 0.000 abstract description 8
- 239000000806 elastomer Substances 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Table Devices Or Equipment (AREA)
Abstract
The present invention proposes a kind of plastic kettle dumbbell and preparation method thereof, comprise housing, the top of described housing is provided with handle, the bottom of described housing is provided with base, the inside of described housing is provided with filler, and the outer surface of described housing is coated with thermoplastic elastomer.Preparation comprises: the half of a half-sum handle of injection-moulded housing; The half of one half-sum handle of its middle shell is formed in one; Filler is added in described housing; Bond 2 and add the described housing of filler and described handle; In injection mold, use the described housing after the bonding of thermoplastic elastomer bag note and described handle, to obtain final product.Kettle dumbbell of the present invention adopts the technique of injection moulding to make housing, makes the thickness of housing even, long service life; Outer surface is also coated with elastomer, not fragile when contacting with floor or desktop.Adopt the mode of filler, the kettle dumbbell of different size can be made.
Description
Technical field
The present invention relates to dumbbell technical field, refer to a kind of plastic kettle dumbbell and preparation method thereof especially.
Background technology
Dumbbell is a kind of conventional sports equipment, and for exercise for power, muscle composite move is trained, and carries out resistive drag force active movement, training muscular strength.The employing pig iron cast that existing kettle dumbbell has becomes blank, then becomes leaching to mould or Encapsulated dumbbel by processing and manufacturing, needs 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 in use, directly contact with floor or desktop, easily cause the damage of floor and desktop.
Therefore, a kind of structure is simple, long service life, and when using, the appearance of the plastic kettle dumbbell of not fragile kiss the earth is necessary simultaneously.
Summary of the invention
The present invention is directed to prior art seek defect, a kind of plastic kettle dumbbell and preparation method thereof is proposed, the thickness of shell of this kettle dumbbell is even, long service life, elastomer is coated with at the outer surface of housing, not easy damaged floor or desktop, also reduces the impact of dumbbell simultaneously, extends service life further.
Technical scheme of the present invention is achieved in that
A kind of plastic kettle dumbbell, comprise housing, the top of described housing is provided with handle, the bottom of described housing is provided with base, the inside of described housing is provided with filler, 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, the shape of described housing is almost spherical.
As preferred technical scheme, described handle is provided with anti-skidding TPE.
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 preparation method for plastic kettle dumbbell, comprising:
The half of one half-sum handle of injection-moulded housing; The half of one half-sum handle of its middle shell is formed in one;
Filler is added in described housing;
Bond 2 and add the described housing of filler and described handle;
In injection mold, use the described housing after the bonding of thermoplastic elastomer bag note and described handle, to obtain 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 the half of a half-sum handle of described injection-moulded housing are: temperature 200-230 DEG C, pressure 30-70 kilogram.
As preferred technical scheme, described filler is one or more in shot, ore deposit sand, yellow sand, cement.
As preferred technical scheme, the process conditions of described bag note are: temperature 180-200 DEG C, pressure 30-70 kilogram.
The injection machine that plastic kettle dumbbell of the present invention uses is existing equipment.
Plastic kettle dumbbell of the present invention can be made into the product of different size, as 2kg, 3kg, 4kg, 6kg, 8kg, 10kg, 12kg, 14kg, 16kg, 18kg, 20kg etc.
Plastic 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 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 is also coated with elastomer, not fragile when contacting with floor or desktop.In addition adopt the technique of injection moulding to make housing, make the thickness of housing even, the distribution that the thickness unlike the housing of blowing can not wait between 0.3mm-2mm, therefore easily damage, greatly reduce service life; Thickness of shell evenly improves 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.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The stereogram of a kind of plastic kettle dumbbell of Fig. 1 the present invention;
The front view of a kind of plastic kettle dumbbell of Fig. 2 the present invention.
Number in the figure:
1-plastic kettle dumbbell, 11-housing, 12-handle, 13-base, 14-thermoplastic elastomer, anti-skidding TPE121.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Shown in Fig. 1-Fig. 2, plastic kettle dumbbell 1, comprise housing 11, the top of described housing 11 is provided with handle 12, the bottom of described housing 11 is provided with base 13, the inside of described housing 11 is provided with filler (not marking in figure), and the outer surface of described housing 11 is coated with thermoplastic elastomer 14.The shape of described housing 11 is 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.
In order to anti-skidding, on described handle, 12 anti-skidding TPE121 can also be provided with.
The preparation method of above-mentioned plastic kettle dumbbell, comprises the steps:
Step S1, the half of a half-sum handle of injection-moulded housing; The half of one half-sum handle of its middle shell is formed in one; The temperature of injection moulding is 200 DEG C, 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, 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, bonds described housing and handle that 2 add filler; Shape approximation spheroid after 2 housing bondings, the handle after bonding is positioned at the top of housing, has now formed the shape of a kettle dumbbell;
Step S4, bag heat injection plastics elastomer, puts into injection mold and does second time injection moulding encapsulate by the housing after above-mentioned bonding and handle; The temperature 180 DEG C of bag note, pressure 70 kilograms.
By packaging after plastic kettle dumbbell cleaning obtained for step S4.
Embodiment 2
As different from Example 1, the material of described housing is polypropylene to plastic kettle dumbbell.Thermoplastic elastomer is TPV.Described handle does not arrange anti-skidding TPE.Filler is different.
The preparation method of above-mentioned plastic kettle dumbbell, comprises the steps:
Step S1, the half of a half-sum handle of injection-moulded housing; The half of one half-sum handle of its middle shell is formed in one; The temperature of injection moulding is 230 DEG C, 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, cement; According to the weight requirements of kettle dumbbell, select different fillers, choose ore deposit in the present embodiment husky as filler;
Step S3, bonds described housing and handle that 2 add filler; Shape approximation spheroid after 2 housing bondings, the handle after bonding is positioned at the top of described housing, has now formed the shape of a kettle dumbbell;
Step S4, bag heat injection plastics elastomer, puts into injection mold and does second time injection moulding encapsulate by the housing after above-mentioned bonding and handle; The temperature 200 DEG C of bag note, pressure 50 kilograms.
By packaging after plastic kettle dumbbell cleaning obtained for step S4.
Embodiment 3
As different from Example 1, thermoplastic elastomer is TPE to plastic kettle dumbbell.Filler is different.
The preparation method of above-mentioned plastic kettle dumbbell, comprises the steps:
Step S1, the half of a half-sum handle of injection-moulded housing; The half of one half-sum handle of its middle shell is formed in one; The temperature of injection moulding is 220 DEG C, 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, 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, bonds housing and handle that 2 add filler; Shape approximation spheroid after 2 housing bondings, the handle after bonding is positioned at the top of described housing, has now formed the shape of kettle dumbbell;
Step S4, bag heat injection plastics elastomer, puts into injection mold and does second time injection moulding encapsulate by the housing after above-mentioned bonding and handle; The temperature 200 DEG C of bag note, pressure 30 kilograms.
By packaging after plastic kettle dumbbell cleaning obtained for step S4.
The outer surface of kettle dumbbell of the present invention is also coated with elastomer, not fragile when contacting with floor or desktop.In addition adopt the technique of injection moulding to make housing, make the thickness of housing even, the distribution that the thickness unlike the housing of blowing can not wait between 0.3mm-2mm, therefore easily damage, greatly reduce service life; Thickness of shell evenly improves 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 foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a preparation method for plastic kettle dumbbell, comprising:
The half of one half-sum handle of injection-moulded housing; The half of one half-sum handle of its middle shell is formed in one; The process conditions of the half of one half-sum handle of described injection-moulded housing are: temperature 200-230 DEG C, pressure 30-70 kilogram;
Filler is added in described housing;
Bond 2 and add the described housing of filler and described handle;
In injection mold, use the described housing after the bonding of thermoplastic elastomer bag note and described handle, to obtain final product; The process conditions of described bag note are: temperature 180-200 DEG C, pressure 30-70 kilogram.
2. the preparation method of a kind of plastic kettle dumbbell according to claim 1, is characterized in that, described filler is one or more in shot, ore deposit sand, yellow sand, cement.
3. a kind of plastic kettle dumbbell according to claim 1, is characterized in that, the shape of described housing is almost spherical.
4. a kind of plastic kettle dumbbell according to claim 1, is characterized in that, described handle is provided with anti-skidding TPE.
5. a kind of plastic kettle dumbbell according to claim 1, is characterized in that, the material of described housing is polyethylene or polypropylene.
6. a kind of plastic kettle dumbbell according to claim 1, is characterized in that, described thermoplastic elastomer is TPU, TPV, TPE or TPR.
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 CN102908747A (en) | 2013-02-06 |
| CN102908747B true CN102908747B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210400924.1A Expired - Fee Related CN102908747B (en) | 2012-10-19 | 2012-10-19 | Plastic kettle dumbbell and preparation method thereof |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2012
- 2012-10-19 CN CN201210400924.1A patent/CN102908747B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
| 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 |
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| Publication number | Publication date |
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| CN102908747A (en) | 2013-02-06 |
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Granted publication date: 20160427 Termination date: 20181019 |