CN108704256A - A kind of rubber coated round dumbbell and preparation method thereof - Google Patents
A kind of rubber coated round dumbbell and preparation method thereof Download PDFInfo
- Publication number
- CN108704256A CN108704256A CN201810776699.9A CN201810776699A CN108704256A CN 108704256 A CN108704256 A CN 108704256A CN 201810776699 A CN201810776699 A CN 201810776699A CN 108704256 A CN108704256 A CN 108704256A
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- China
- Prior art keywords
- rubber
- rubber coated
- parts
- coating
- production method
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
- A63B21/0726—Dumb bells, i.e. with a central bar to be held by a single hand, and with weights at the ends
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of rubber coated round dumbbells and preparation method thereof, it belongs to body-building apparatus technical field, including handle, the both ends of handle are equipped with circular iron core, the outside of circular iron core is coated with internal coating, the outside of internal coating is coated with rubber coated body, and rubber coated body includes the external coating for coating internal coating and several protruding blocks on the lateral circle surface of external coating；The present invention by by rubber coated body bilayer be arranged, the bonding strength between circular iron core, internal coating and rubber coated body can not only be reinforced, also the ageing-resistant impact resistance crocking resistance on external coating surface can be improved, meanwhile the problem of being rolled when can be kept flat with effective solution dumbbell by the protruding block on external coating surface.
Description
Technical field
The present invention relates to body-building apparatus technical fields, and in particular to a kind of rubber coated round dumbbell and preparation method thereof.
Background technology
Dumbbell is a kind of simple Excercise training apparatus, includes mainly Encapsulated dumbbel and metal dumbbell.The hand of Encapsulated dumbbel
Handle and tup are generally made of steel material, and the outside of most of tup can wrap up a floor height molecule rubber-plastics material, such as
Rubber.The purposes of dumbbell is mainly used for exercise for power, because motor paralysis, pain, long-term immobilization etc. cause muscular strength low
Patient holds dumbbell, and the active movement of resistive drag force, training muscular strength are carried out using the weight of dumbbell.Dumbbell exercise is used for a long time
It is the fortune of ideal moulding, body-building, functional training with delaying muscle aging, increase that sclerotin is close, prevents osteoporosis and other effects
One of flowing mode.
Traditional traditional rubber coats dumbbell, and the shape of tup is divided into circle or polygonal equal patterns, and polygonal tup, which has, to be put
The steady feature of horizontalization, circular iron core shape tradition is beautiful, compared to polygonal tup when keeping flat, can exist and be easy asking for rolling
Topic, in addition, no matter polygon dumbbell or round dumbbell all have what the displaying of product identification mark was limited, the weight of product indispensability
The all crowded end region in dumbbell both sides of logos such as amount mark and trade mark, it is stereotyped, significantly limit product category
Property and corporate culture individual character displaying and aesthetics.Therefore, design is a kind of can fully show corporate culture, show enterprise and product
Property, and the higher rubber coated round dumbbell and preparation method thereof for being not susceptible to roll of safety coefficient is the enterprise of dumbbell production at this stage
Industry urgent problem to be solved.
Invention content
For the problems of in the prior art, a kind of rubber coated round dumbbell provided by the invention and its making side
Method, have higher safety coefficient, will not be rolled when keeping flat, and further promoted properties of product while, solve
The problem of round dumbbell round end circumferential lateral surface displaying mark and label, the extreme enrichment appearance selection of product.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
On the one hand, the present invention provides a kind of rubber coated round dumbbell, including handle, the both ends of the handle are equipped with
The outside of circular iron core, the circular iron core is coated with internal coating, and the outside of the internal coating is coated with rubber coated body,
If the rubber coated body includes coating the external coating of the internal coating and on the lateral circle surface of the external coating
Dry protruding block.
Second aspect, the present invention provides a kind of production methods of rubber coated round dumbbell, include the following steps：
(1) internal coating, external coating and protruding block are made respectively in a manner of presulfurization；
(2) internal coating is coated on circular iron core and forms round tup；
(3) external coating and the protruding block post-cure are shaped to rubber coated body；
(4) the rubber coated body and the round tup are bonded into sulfidization molding.
As a kind of perferred technical scheme, the internal coating is made of the raw material mixing vulcanization of following parts by weight：Pole
14-28 parts of material of property, 42-56 parts of General Purpose Rubber, 0.14-3.5 parts of iron oxide red, inorganic filler, vulcanizing agent and accelerating agent it is total
Amount is 20-40 parts.
As a kind of perferred technical scheme, the external coating is made of the raw material mixing vulcanization of following parts by weight：Pole
Property 49-63 parts of material, 7-21 parts of General Purpose Rubber, the total amount of inorganic filler, vulcanizing agent and accelerating agent is 20-40 parts.
As a kind of perferred technical scheme, the protruding block is made of the raw material mixing vulcanization of following parts by weight：Polarity
The total amount of 0-7 parts of high molecular material, 63-70 parts of polar rubber, inorganic filler, vulcanizing agent and accelerating agent is 20-40 parts.
As a kind of perferred technical scheme, it is also comprised the steps of before the step (2)：By the circular iron core
Oil removing removing oxide layer processing is carried out, rubber-metal adhesive, the rubber are uniformly smeared on the side surface of the circular iron core
Glue metal-to-metal adhesive is the mixed liquor of Kai Muluoke and dimethylbenzene, and the mass ratio of the Kai Muluoke and the dimethylbenzene is 1: 1.
As a kind of perferred technical scheme, it is also comprised the steps of before the step (3)：In the external coating
Polar adhesive agent is uniformly smeared between the protruding block；It is also comprised the steps of before the step (4)：In the rubber
The polar adhesive agent is also uniformly smeared between glue covering body and the round tup.
As a kind of perferred technical scheme, in the step (3), the time of the post-cure is 20-30 minutes,
The temperature of the post-cure is 80-100 DEG C.
As a kind of perferred technical scheme, in the step (4), the time of the bonding vulcanization is 15-25 minutes,
The temperature of the bonding vulcanization is 80-120 DEG C, and the loading pressure of the bonding vulcanization is 12-15Mpa.
As a kind of perferred technical scheme, the color of the internal coating, the external coating and the protruding block can
To be set as identical or different.
Beneficial effects of the present invention are shown：
1, the present invention can not only reinforce circular iron core, internal coating and rubber by the way that rubber coated body bilayer to be arranged
Bonding strength between covering body can also improve the ageing-resistant impact resistance crocking resistance on external coating surface, meanwhile, by outer
The problem of protruding block of cover surface rolls when can be kept flat with effective solution dumbbell.
2, protruding block of the invention can be by being designed to a variety of different shapes and color, thus not only can be effective
Increase the aesthetics of the present invention, moreover, protruding block combination can effectively improve the identification of the present invention, there is the work of mark
With solving the problems, such as that round dumbbell round end circumferential lateral surface shows mark and label, the appearance selection of extreme enrichment product.
3, internal coating, external coating and protruding block of the invention can be respectively increased interior using different material and component
Bonding strength between circular iron core, internal coating and rubber coated body improves the wearability of external coating and improves protrusion
The deformation intensity and weather resistance of block, to improve overall performance, appearance and the service life of product.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of rubber coated round dumbbell of the present invention；
In figure：1- circular iron cores, 2- internal coatings, 3- handles, 4- protruding blocks, 5- external coatings.
Specific implementation mode
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
As shown in Figure 1, the present invention provides a kind of rubber coated round dumbbell, including handle 3, the both ends of handle 3 are all provided with
There are circular iron core 1, the outside of circular iron core 1 to be coated with internal coating 2, the outside of internal coating 2 is coated with rubber coated body, rubber
Glue covering body includes the external coating 5 for coating internal coating 2 and several protruding blocks 4 on the lateral circle surface of external coating 5.
Wherein, the section of protruding block 4 is set as the shape of figure, word or letter, and the height of projection of protruding block 4 is set as 2-10
Millimeter, protruding block 4 can also be increased while playing blocking dumbbell rolling by the shape of different figures, word or letter
Add the aesthetics of the present invention, meanwhile, the combination of protruding block 4 can effectively improve the identification of the present invention, have the work of mark
With.
The present invention has also supplied a kind of production method of rubber coated round dumbbell, includes the following steps：
(1) internal coating 2, external coating 5 and protruding block 4 are made respectively in a manner of presulfurization；
(2) internal coating 2 is coated on circular iron core 1 and forms round tup；
(3) external coating 5 and 4 post-cure of protruding block are shaped to rubber coated body；
(4) rubber coated body and round tup are bonded into sulfidization molding.
Wherein, internal coating 2 is made of the raw material mixing vulcanization of following parts by weight：14-28 parts of polar material, General Purpose Rubber
42-56 parts, the total amount of 0.14-3.5 parts of iron oxide red, inorganic filler, vulcanizing agent and accelerating agent is 20-40 parts, and polar material is
Polar rubber or polar macromolecule material, inorganic filler is silicates or Calcium carbonate, such as carbon black, clay, talcum powder, mica
Powder, flake asbestos etc.；Vulcanizing agent is containing sulphur, selenium, the simple substance of tellurium or compound, such as sulphur, sulfur monochloride, Vulcanization accelerator TMTD, ammonia
Base Ethyl formate etc.；Accelerating agent, which has, shortens vulcanization time, reduces curing temperature, reduces vulcanizing agent dosage and improves the object of rubber
Manage the functions such as mechanical performance, such as magnesia, lead oxide, accelerator M, accelerator D, vulcanization accelerator TT, it is inorganic
The ratio of inorganic filler, vulcanizing agent and accelerating agent is consistent in filler, the ratio of vulcanizing agent and accelerating agent and traditional vulcanization of rubber；
By the way that polar material, General Purpose Rubber, iron oxide red, inorganic filler, vulcanizing agent and accelerating agent are mixed with aforementioned proportion, Ke Yiti
The bonding strength of high internal coating 2 and the circular iron core 1 of irony so that internal coating 2 is more difficult to be taken off from circular iron core 1
It falls；External coating 5 is made of the raw material mixing vulcanization of following parts by weight：49-63 parts of polar material, 7-21 parts of General Purpose Rubber, nothing
The total amount of machine filler, vulcanizing agent and accelerating agent is 20-40 parts, wherein the polar material of external coating 5 is by 15-35 parts of polarity
The polar rubber composition of high molecular material and 65-85 parts, by by polar material, General Purpose Rubber, inorganic filler, vulcanizing agent and rush
It is mixed into agent with aforementioned proportion, the ageing-resistant performances such as the wear-resisting, heat-resisting of external coating 5, UV resistant can be improved, improve production
The service life of product；Protruding block 4 is made of the raw material mixing vulcanization of following parts by weight：0-7 parts of polar macromolecule material, polarity
63-70 parts of rubber, the total amount of inorganic filler, vulcanizing agent and accelerating agent are 20-40 parts, by by polar macromolecule material, polarity
Rubber, inorganic filler, vulcanizing agent and accelerating agent are mixed with aforementioned proportion, can effectively improve the ageing-resistant, resistance to of protruding block 4
Tearing, wearability and tensile strength, and make product is more attractive from the appearance to have more visual impact.
Meanwhile it also being comprised the steps of before step (2)：Circular iron core 1 is subjected to oil removing removing oxide layer processing, oil removing
Greasy dirt and oxide layer that the modes such as electromagnetism or grinding, sandblasting remove 1 surface of circular iron core may be used in removing oxide layer processing；
Rubber-metal adhesive is uniformly smeared on the side surface of circular iron core 1, rubber-metal adhesive is Kai Muluoke and dimethylbenzene
Mixed liquor, the mass ratio of Kai Muluoke and dimethylbenzene, which is 1: 1, Kai Muluoke, to be sent out with the iron oxide red in internal coating 2
Raw reaction, the effective adhesion strength for improving round tup and internal coating 2；It is also comprised the steps of before step (3)：
Polar adhesive agent is uniformly smeared between external coating 5 and protruding block 4；It is also comprised the steps of before step (4)：In rubber
Polar adhesive agent is uniformly smeared between covering body and round tup, is contained in internal coating 2, external coating 5 and protruding block 4
Polar material, it is ensured that the adhesive effect of polar adhesive agent, and internal coating 2, external coating 5 and protruding block 4 can be promoted
Depth vulcanization, while ensureing the performance of internal coating 2, external coating 5 and protruding block 4, improve internal coating 2 with it is outer
The adhesion strength after vulcanization between clad 5 and between external coating 5 and protruding block 4.
In step (3), the time of post-cure is 20-30 minutes, and the temperature of post-cure is 80-100 DEG C；In step
(4) in, internal coating 2, external coating 5 and protruding block 4 are put in a mold, and vulcanization while pressurizes, make internal coating 2,
External coating 5 and protruding block 4 mutually bond, and the time for bonding vulcanization is 15-25 minutes, and the temperature for bonding vulcanization is 80-120
DEG C, the loading pressure for bonding vulcanization is 12-15Mpa；Post-cure and bonding vulcanization are in above-mentioned time, temperature and pressure range
The effect that can be optimal down.
The color of internal coating 2, external coating 5 and protruding block 4 can be set as identical or different, when internal coating 2, outsourcing
When the color difference of coating 5 and protruding block 4, the appearance of product can be improved.
Above content is only the structure example and explanation to the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (10)
1. a kind of rubber coated round dumbbell, characterized in that including handle, the both ends of the handle are equipped with circular iron core, institute
The outside for stating circular iron core is coated with internal coating, and the outside of the internal coating is coated with rubber coated body, the rubber bag
It includes the external coating for coating the internal coating and several protruding blocks on the lateral circle surface of the external coating to cover body.
2. a kind of production method of rubber coated round dumbbell, characterized in that include the following steps：
(1) internal coating, external coating and protruding block are made respectively in a manner of presulfurization；
(2) internal coating is coated on circular iron core and forms round tup；
(3) external coating and the protruding block post-cure are shaped to rubber coated body；
(4) the rubber coated body and the round tup are bonded into sulfidization molding.
3. a kind of production method of rubber coated round dumbbell according to claim 2, characterized in that the internal coating
It is made of the raw material mixing vulcanization of following parts by weight：14-28 parts of polar material, 42-56 parts of General Purpose Rubber, iron oxide red 0.14-
3.5 parts, the total amount of inorganic filler, vulcanizing agent and accelerating agent is 20-40 parts.
4. a kind of production method of rubber coated round dumbbell according to claim 2, characterized in that the external coating
It is made of the raw material mixing vulcanization of following parts by weight：49-63 parts of polar material, 7-21 parts of General Purpose Rubber, inorganic filler, vulcanizing agent
Total amount with accelerating agent is 20-40 parts.
5. a kind of production method of rubber coated round dumbbell according to claim 2, characterized in that the protruding block by
The raw material mixing vulcanization of following parts by weight is made：0-7 parts of polar macromolecule material, 63-70 parts of polar rubber, inorganic filler, sulphur
Agent and the total amount of accelerating agent are 20-40 parts.
6. a kind of production method of rubber coated round dumbbell according to claim 2, characterized in that in the step
(2) it is also comprised the steps of before：The circular iron core is subjected to oil removing removing oxide layer processing, in the side table of the circular iron core
Rubber-metal adhesive is uniformly smeared on face, the rubber-metal adhesive is the mixed liquor of Kai Muluoke and dimethylbenzene, institute
The mass ratio for stating Kai Muluoke and the dimethylbenzene is 1:1.
7. a kind of production method of rubber coated round dumbbell according to claim 2, characterized in that in the step
(3) it is also comprised the steps of before：Polar adhesive agent is uniformly smeared between the external coating and the protruding block；Institute
It is also comprised the steps of before stating step (4)：Institute is also uniformly smeared between the rubber coated body and the round tup
State polar adhesive agent.
8. a kind of production method of rubber coated round dumbbell according to claim 2, characterized in that in the step
(3) in, the time of the post-cure is 20-30 minutes, and the temperature of the post-cure is 80-100 DEG C.
9. a kind of production method of rubber coated round dumbbell according to claim 2, characterized in that in the step
(4) in, the time of the bonding vulcanization is 15-25 minutes, and the temperature of the bonding vulcanization is 80-120 DEG C, the bonding vulcanization
Loading pressure be 12-15Mpa.
10. a kind of production method of rubber coated round dumbbell according to claim 2, characterized in that the interior cladding
The color of layer, the external coating and the protruding block can be set as identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776699.9A CN108704256A (en) | 2018-07-13 | 2018-07-13 | A kind of rubber coated round dumbbell and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776699.9A CN108704256A (en) | 2018-07-13 | 2018-07-13 | A kind of rubber coated round dumbbell and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108704256A true CN108704256A (en) | 2018-10-26 |
Family
ID=63874151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810776699.9A Withdrawn CN108704256A (en) | 2018-07-13 | 2018-07-13 | A kind of rubber coated round dumbbell and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108704256A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330211A (en) * | 2020-04-28 | 2020-06-26 | 南通宝鹏健身器材科技有限公司 | Rubber coating body for fitness equipment |
| WO2023027579A1 (en) * | 2021-08-27 | 2023-03-02 | Tigelor | Bumper plate and barbell comprising at least two of such bumper plates |
-
2018
- 2018-07-13 CN CN201810776699.9A patent/CN108704256A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330211A (en) * | 2020-04-28 | 2020-06-26 | 南通宝鹏健身器材科技有限公司 | Rubber coating body for fitness equipment |
| WO2023027579A1 (en) * | 2021-08-27 | 2023-03-02 | Tigelor | Bumper plate and barbell comprising at least two of such bumper plates |
| NL1044134B1 (en) * | 2021-08-27 | 2023-03-15 | Tigelor | Bumper plate and barbell comprising at least two of such bumper plates |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181026 |
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| WW01 | Invention patent application withdrawn after publication |