CN111330211A - Rubber coating body for fitness equipment - Google Patents
Rubber coating body for fitness equipment Download PDFInfo
- Publication number
- CN111330211A CN111330211A CN202010350334.7A CN202010350334A CN111330211A CN 111330211 A CN111330211 A CN 111330211A CN 202010350334 A CN202010350334 A CN 202010350334A CN 111330211 A CN111330211 A CN 111330211A
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- China
- Prior art keywords
- rubber
- dumbbell
- covered
- rubber coating
- iron core
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- 238000010073 coating (rubber) Methods 0.000 title claims description 67
- 238000001746 injection moulding Methods 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 49
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000003292 glue Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 abstract description 34
- 239000000463 material Substances 0.000 abstract description 4
- 239000003086 colorant Substances 0.000 abstract description 2
- 239000000084 colloidal system Substances 0.000 description 32
- 238000012856 packing Methods 0.000 description 14
- 238000005253 cladding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- 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
- A63B21/0724—Bar-bells; Hand bars
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides an encapsulation body for fitness equipment, which comprises an encapsulation body and an encapsulation frame, wherein the encapsulation body is provided with a groove, the encapsulation frame which is subjected to injection molding in advance is embedded in the groove when the encapsulation body is subjected to injection molding, and the encapsulation frame protrudes relative to the encapsulation body. The rubber body for the fitness equipment is suitable for arm strength fitness equipment such as dumbbells, kettlebells, barbell plates and the like. The encapsulation body for the fitness equipment is formed by at least two-time injection molding and is divided into the encapsulation body and the encapsulation frame, different materials, colors and thicknesses can be selected for the encapsulation body and the encapsulation frame, and the outer surface of the encapsulation frame protrudes relative to the outer surface of the encapsulation body, so that the encapsulation body has a three-dimensional structure and is attractive and elegant in appearance.
Description
Technical Field
The invention belongs to the technical field of fitness equipment, and particularly relates to a rubber coating for fitness equipment.
Background
Arm strength body-building apparatus includes dumbbell, barbell, kettle bell etc. comprises cast iron inner core and the encapsulation body of cladding in the cast iron inner core outside, and present body-building apparatus is injection moulding once with the encapsulation body mostly, and the surface of encapsulation body is smooth surface, and the encapsulation body is whole chooses the same material for use, and structure and outward appearance are single, and individualized degree is not strong, can not satisfy under the current market young person to fashion, individualized demand.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rubber body for fitness equipment, which is formed by multiple times of injection molding, is divided into areas with different hardness, has novel structure and high strength, and is durable in use; the colloid is formed by injection molding by adopting an environment-friendly process, and has no harm to the health of a human body.
In order to solve the technical problem, an embodiment of the present invention provides an encapsulated body for fitness equipment, which includes an encapsulated body and an encapsulated frame, wherein the encapsulated body is provided with a groove, the encapsulated frame which is pre-injection molded is embedded in the groove during injection molding of the encapsulated body, and the encapsulated frame protrudes relative to the encapsulated body.
The body-building apparatus is a dumbbell, the body-building apparatus is wrapped with the dumbbell and is wrapped with the colloid for the dumbbell, the dumbbell includes dumbbell rod, dumbbell head and dumbbell package colloid, two the dumbbell head is fixed connection respectively in the both ends of dumbbell rod, the outside cladding of dumbbell head has dumbbell package colloid, dumbbell package colloid includes dumbbell rubber coating body and dumbbell rubber coating frame, dumbbell rubber coating frame injection moulding alone, dumbbell rubber coating frame is fixed connection on the terminal surface of dumbbell rubber coating body when dumbbell rubber coating body forms in the dumbbell head outside.
Further, the dumbbell rubber coating frame is a butterfly ring frame and is formed by connecting 3 arc sections and 3E-shaped sections in a staggered end-to-end mode, a butterfly groove matched with the dumbbell rubber coating frame is formed in the end face of the dumbbell rubber coating body, and the dumbbell rubber coating frame is embedded in the butterfly groove;
the dumbbell rubber coating body comprises an inner end flat rubber layer, an outer end flat rubber layer and an annular rubber layer which are integrally formed, the annular rubber layer is connected between the inner end flat rubber layer and the outer end flat rubber layer, the inner end flat rubber layer is covered on the inner side of the inner end face of the dumbbell head, the outer end flat rubber layer is covered on the outer side of the outer end face of the dumbbell head, and the annular rubber layer is covered on the outer side of the outer cylindrical surface of the dumbbell head;
the butterfly-shaped groove is formed by connecting 3 sections of arc-shaped groove sections and 3 sections of herringbone-shaped groove sections in a staggered manner;
the ring glue layer is formed by connecting 3 smooth surface arc sections and 3 ripple sections in a staggered manner, wherein the 3 smooth surface arc sections, the 3 arc groove sections and the 3 arc sections are correspondingly arranged, and the 3 ripple sections, the 3 chevron groove sections and the 3 chevron sections are correspondingly arranged;
the two ends of the corrugated section extend to the inner end flat glue layer and the outer end flat glue layer, and one end of the corrugated section, which extends to the outer end flat glue layer, is correspondingly inserted into the concave part of the E-shaped section.
Wherein, body-building apparatus is the kettle-bell, body-building apparatus is with wrapping the colloid for kettle-bell package colloid, the kettle-bell includes kettle-bell iron core, kettle-bell rubber coating body cladding in kettle-bell iron core's the outside, kettle-bell iron core includes iron core spheroid and iron core handle, kettle-bell rubber coating body includes kettle-bell rubber coating body and U-shaped kettle-bell rubber coating frame, kettle-bell rubber coating body cladding in the spheroidal outside of iron core, two perpendicular arm tip of U-shaped kettle-bell rubber coating frame are cyclic annular package colloid, U-shaped kettle-bell rubber coating frame cladding is in the outside of iron core handle, and downwardly extending to the cyclic annular package colloid in both sides and kettle-bell rubber coating body joint and sphere laminating.
Furthermore, two annular grooves which are spaced from each other at left and right are formed in the kettle-bell rubber-coated body around the spherical surface, two annular rubber-coated bodies of the U-shaped rubber-coated frame are correspondingly embedded with the two annular grooves, and the outer surfaces of the annular rubber-coated bodies protrude out relative to the outer surfaces of the kettle-bell rubber-coated body.
The exercise equipment is a barbell disc, the wrapping colloid for the exercise equipment is a barbell disc wrapping colloid, the barbell disc comprises a barbell disc iron core and a connecting steel sleeve, the barbell disc iron core comprises a circular iron core body and a plurality of handles integrally formed on the outer edge of the iron core body, a radial gap between each handle and the iron core body is a hand-grabbing hole, and the barbell disc wrapping colloid is wrapped on the outer side of the barbell disc iron core;
the iron core comprises an iron core body and is characterized in that a connecting steel sleeve mounting hole is formed in the center of the iron core body, the connecting steel sleeve is mounted in the connecting steel sleeve mounting hole and comprises a cylindrical steel sleeve body, a plurality of clamping teeth are formed at the two ends of the steel sleeve body in an integrated mode and are arranged at intervals along the circumferential direction, clamping grooves are formed between two adjacent clamping teeth, and the two connecting steel sleeves are radially limited through clamping between the clamping teeth and the clamping grooves.
Furthermore, the barbell piece packing colloid comprises two parts, wherein one part is a butterfly packing colloid of an inner ring, the other part is a butterfly packing ring body which is annularly arranged on an outer ring of the butterfly packing colloid, the butterfly packing ring body wraps a handle outside the hand grabbing hole, and two side end faces of the butterfly packing ring body are protruded relative to the two side end faces of the butterfly packing body in the axial direction;
the butterfly-shaped rubber-coated ring body is formed by connecting a plurality of arc sections and a plurality of mountain-shaped sections in an end-to-end staggered manner, the arc sections are coated outside the handles, two ends of each mountain-shaped section are coated on the end parts of two adjacent handles, and the middle protrusions are coated on partial areas of the iron core body;
the connection part of the arc-shaped section and the Chinese character 'shan' section is a process groove.
The technical scheme of the invention has the following beneficial effects: the encapsulation body for the fitness equipment is formed by at least two-time injection molding and is divided into the encapsulation body and the encapsulation frame, different materials, colors and thicknesses can be selected for the encapsulation body and the encapsulation frame, and the outer surface of the encapsulation frame protrudes relative to the outer surface of the encapsulation body, so that the encapsulation body has a three-dimensional structure and is attractive and elegant in appearance.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of an encapsulated body of a dumbbell according to one embodiment;
FIG. 3 is a schematic view of the dumbbell encapsulated frame according to one embodiment;
FIG. 4 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 5 is a sectional view of the second embodiment;
FIG. 6 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 7 is a schematic structural view of a barbell plate core according to a third embodiment;
FIG. 8 is a schematic structural view of a connecting steel sleeve in the third embodiment.
Description of the drawings:
1. a dumbbell; 11. a dumbbell bar; 12. a dumbbell head; 13. a dumbbell bag colloid; 131. a dumbbell rubber-coated body; 132. a dumbbell rubber-coated frame; 2. a kettle bell; 21. a kettle-bell iron core; 211. an iron core sphere; 212. an iron core handle; 22. an iron core cladding colloid; 221. coating the body with the kettle-bell; 222. coating the kettle-bell with rubber; 3. a barbell disc; 31. a barbell disc core; 311. an iron core body; 312. a handle; 313. a hand grasping hole; 32. connecting the steel sleeve; 33. the barbell sheet is coated with colloid.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a rubber coating body for fitness equipment, which comprises a rubber coating body and a rubber coating frame, wherein the rubber coating body is provided with a groove, the rubber coating frame which is formed in advance through injection molding is embedded in the groove when the rubber coating body is formed through injection molding, and the rubber coating frame protrudes relative to the rubber coating body. The rubber body for the fitness equipment is suitable for arm strength fitness equipment such as dumbbells, kettlebells, barbell plates and the like, but is not limited to the dumbbells, the kettlebells and the barbell plates.
In the invention, the encapsulation frame is generally formed by injection molding in advance, then the encapsulation frame is placed in an injection mold of the encapsulation body when the encapsulation body is formed by injection molding, and the encapsulation frame is connected with the encapsulation body through an injection molding process. Of course, if an advanced injection molding machine is adopted, the same or different rubber-coated body and rubber-coated frame made of the same material can be realized by using the same pair of dies, and the invention also belongs to the protection scope of the invention.
The protection points of the invention are as follows: the rubber coating body of the fitness equipment is formed in a layered mode, and the stereoscopic impression is strong.
The technical solution of the present invention is further illustrated below with reference to several specific examples.
Example 1
As shown in fig. 1 to fig. 3, in this embodiment, the exercise device is a dumbbell, the body-building-device-use colloid is a dumbbell colloid, the dumbbell 1 includes a dumbbell rod 11, dumbbell heads 12 and dumbbell colloid 13, the two dumbbell heads 12 are respectively and fixedly connected to two ends of the dumbbell rod 11, the dumbbell heads 12 are coated with the dumbbell colloid 13, the dumbbell colloid 13 includes a dumbbell colloid-coated body 131 and a dumbbell colloid-coated frame 132, the dumbbell colloid-coated frame 132 is separately injection-molded, and the dumbbell colloid-coated frame 132 is fixedly connected to an end face of the dumbbell colloid-coated body 131 when the dumbbell colloid-coated body 131 is molded on the outer side of the dumbbell head 12.
The dumbbell rubber coating frame 132 is a butterfly-shaped ring frame and is formed by connecting 3 sections of arc sections and 3 sections of E-shaped sections in a staggered end-to-end mode, a butterfly-shaped groove matched with the dumbbell rubber coating frame 132 is formed in the end face of the dumbbell rubber coating body 131, and the dumbbell rubber coating frame 132 is embedded in the butterfly-shaped groove.
The dumbbell rubber coating body 131 comprises an inner end flat rubber layer, an outer end flat rubber layer and a ring rubber layer which are integrally formed, the ring rubber layer is connected between the inner end flat rubber layer and the outer end flat rubber layer, the inner end flat rubber layer covers the inner side of the inner end face of the dumbbell head 12, the outer end flat rubber layer covers the outer side of the outer end face of the dumbbell head 12, and the ring rubber layer covers the outer side of the outer cylindrical surface of the dumbbell head.
The butterfly-shaped groove is arranged on the outer end face of the outer end flat rubber layer and is formed by connecting 3 sections of arc-shaped groove sections and 3 sections of herringbone-shaped groove sections in a staggered mode.
The ring glue layer is formed by connecting 3 smooth surface arc sections and 3 ripple sections in a staggered manner, wherein the 3 smooth surface arc sections, the 3 arc groove sections and the 3 arc sections are correspondingly arranged, and the 3 ripple sections, the 3 chevron groove sections and the 3 chevron sections are correspondingly arranged;
the two ends of the corrugated section extend to the inner end flat glue layer and the outer end flat glue layer, and one end of the corrugated section, which extends to the outer end flat glue layer, is correspondingly inserted into the concave part of the E-shaped section.
Example 2
In the embodiment shown in fig. 4-5, the fitness equipment is a kettle bell, the body-building equipment is a kettle bell wrapping body, the kettle bell 2 includes a kettle bell iron core 21, the kettle bell wrapping body 22 wraps the outside of the kettle bell iron core 21, the kettle bell iron core 21 includes an iron core sphere 211 and an iron core handle 212, the kettle bell wrapping body 22 includes a kettle bell rubber-covered body 221 and a U-shaped kettle bell rubber-covered frame 222, the kettle bell rubber-covered body 221 wraps the outside of the iron core sphere 211, the two vertical arm ends of the U-shaped kettle bell rubber-covered frame 222 are annular rubber-covered bodies, and the U-shaped kettle bell rubber-covered frame 222 wraps the outside of the iron core handle 212 and extends downward to the two sides of the annular rubber-covered bodies to be clamped with the kettle bell rubber-covered body 221 and to be attached to the spherical surface.
Two annular grooves which are spaced from each other left and right are formed in the kettle-bell rubber-coated body 221 around the spherical surface, the two annular rubber-coated bodies of the U-shaped rubber-coated frame 222 are correspondingly embedded with the two annular grooves, and the outer surfaces of the annular rubber-coated bodies protrude out relative to the outer surface of the kettle-bell rubber-coated body 221.
Example 3
As shown in fig. 6 to 8, in this embodiment, the fitness apparatus is a barbell plate, the wrapping body for fitness apparatus is a barbell plate wrapping body, the barbell plate 3 includes a barbell plate core 31 and a connecting steel sleeve 32, the barbell plate core 31 includes a circular core body 311 and a plurality of handles 312 integrally formed on an outer edge of the core body 311, a radial gap between the handle 312 and the core body 311 is a hand grasping hole 313, and the barbell plate wrapping body 33 is wrapped on an outer side of the barbell plate core 31.
The iron core body 311 is provided with a connecting steel bushing mounting hole at the center, the connecting steel bushing 32 is mounted in the connecting steel bushing mounting hole, the connecting steel bushing 32 comprises a cylindrical steel bushing body, a plurality of clamping teeth are formed at the two ends of the steel bushing body in an integrated mode and are arranged at intervals along the circumferential direction, clamping grooves are formed between two adjacent clamping teeth, and the two connecting steel bushings are radially limited through clamping between the clamping teeth and the clamping grooves.
The barbell piece packing colloid 33 comprises two parts, wherein one part is a butterfly packing colloid of an inner ring, the other part is a butterfly packing ring body which is annularly arranged on an outer ring of the butterfly packing colloid, the butterfly packing ring body wraps a handle on the outer side of the hand grabbing hole, and the end surfaces on two sides of the butterfly packing ring body are protruded relative to the end surfaces on two sides of the butterfly packing body in the axial direction.
The butterfly-shaped rubber-coated ring body is formed by connecting a plurality of arc sections and a plurality of mountain-shaped sections in an end-to-end staggered manner, the arc sections are coated on the outer side of the handle, and the two ends of each mountain-shaped section are coated on the end parts of two adjacent handles and part areas of the middle protrusions coated on the iron core body. The connection part of the arc-shaped section and the Chinese character 'shan' section is a process groove.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The rubber coating body for the fitness equipment is characterized by comprising a rubber coating body and a rubber coating frame, wherein a groove is formed in the rubber coating body, the rubber coating frame which is subjected to injection molding in advance is embedded in the groove during injection molding of the rubber coating body, and the rubber coating frame protrudes relative to the rubber coating body.
2. The rubber covered body for the fitness equipment according to claim 1, wherein the fitness equipment is a dumbbell, the rubber covered body for the fitness equipment is a dumbbell rubber covered body, the dumbbell comprises a dumbbell rod, dumbbell heads and dumbbell rubber covered bodies, the two dumbbell heads are fixedly connected to two ends of the dumbbell rod respectively, the dumbbell heads are covered with the dumbbell rubber covered body on the outer sides, the dumbbell rubber covered body comprises a dumbbell rubber covered body and a dumbbell rubber covered frame, the dumbbell rubber covered frame is formed by injection molding alone, and the dumbbell rubber covered frame is fixedly connected to the end face of the dumbbell rubber covered body when the dumbbell rubber covered body is formed on the outer side of the dumbbell head.
3. The rubber coating body for the fitness equipment according to claim 2, wherein the dumbbell rubber coating frame is a butterfly ring frame and is formed by connecting 3 sections of arc sections and 3 sections of Chinese character 'shan' shaped sections in a staggered end-to-end manner, a butterfly groove matched with the dumbbell rubber coating frame is arranged on the end face of the dumbbell rubber coating body, and the dumbbell rubber coating frame is embedded in the butterfly groove;
the dumbbell rubber coating body comprises an inner end flat rubber layer, an outer end flat rubber layer and an annular rubber layer which are integrally formed, the annular rubber layer is connected between the inner end flat rubber layer and the outer end flat rubber layer, the inner end flat rubber layer is covered on the inner side of the inner end face of the dumbbell head, the outer end flat rubber layer is covered on the outer side of the outer end face of the dumbbell head, and the annular rubber layer is covered on the outer side of the outer cylindrical surface of the dumbbell head;
the butterfly-shaped groove is formed by connecting 3 sections of arc-shaped groove sections and 3 sections of herringbone-shaped groove sections in a staggered manner;
the ring glue layer is formed by connecting 3 smooth surface arc sections and 3 ripple sections in a staggered manner, wherein the 3 smooth surface arc sections, the 3 arc groove sections and the 3 arc sections are correspondingly arranged, and the 3 ripple sections, the 3 chevron groove sections and the 3 chevron sections are correspondingly arranged;
the two ends of the corrugated section extend to the inner end flat glue layer and the outer end flat glue layer, and one end of the corrugated section, which extends to the outer end flat glue layer, is correspondingly inserted into the concave part of the E-shaped section.
4. The rubber coating body for the fitness equipment as claimed in claim 1, wherein the fitness equipment is a kettle bell, the rubber coating body for the fitness equipment is a kettle bell rubber coating body, the kettle bell comprises a kettle bell iron core, the kettle bell rubber coating body is coated on the outer side of the kettle bell iron core, the kettle bell iron core comprises an iron core sphere and an iron core handle, the kettle bell rubber coating body comprises a kettle bell rubber coating body and a U-shaped kettle bell rubber coating frame, the kettle bell rubber coating body is coated on the outer side of the iron core sphere, the end parts of the two vertical arms of the U-shaped kettle bell rubber coating frame are annular rubber coating bodies, and the U-shaped kettle bell rubber coating frame is coated on the outer side of the iron core handle and extends downwards to the two sides, and the annular rubber coating bodies are clamped with the kettle bell rubber coating body and are.
5. The rubber-covered body for fitness equipment according to claim 4, wherein the kettle-bell rubber-covered body is provided with two annular grooves which are spaced from each other at left and right sides around the spherical surface, the two annular rubber-covered bodies of the U-shaped rubber-covered frame are correspondingly embedded in the two annular grooves, and the outer surfaces of the annular rubber-covered bodies protrude relative to the outer surface of the kettle-bell rubber-covered body.
6. The rubber coating for fitness equipment according to claim 1, wherein the fitness equipment is a barbell plate, the rubber coating for fitness equipment is a barbell plate rubber coating, the barbell plate comprises a barbell plate iron core and a connecting steel sleeve, the barbell plate iron core comprises a circular iron core body and a plurality of handles integrally formed on the outer edge of the iron core body, a radial gap between each handle and the iron core body is a hand-grasping hole, and the barbell plate rubber coating is coated on the outer side of the barbell plate iron core;
the iron core comprises an iron core body and is characterized in that a connecting steel sleeve mounting hole is formed in the center of the iron core body, the connecting steel sleeve is mounted in the connecting steel sleeve mounting hole and comprises a cylindrical steel sleeve body, a plurality of clamping teeth are formed at the two ends of the steel sleeve body in an integrated mode and are arranged at intervals along the circumferential direction, clamping grooves are formed between two adjacent clamping teeth, and the two connecting steel sleeves are radially limited through clamping between the clamping teeth and the clamping grooves.
7. The rubber-covered body for fitness equipment according to claim 6, wherein the barbell rubber-covered body comprises two parts, one part is a butterfly rubber-covered body with an inner ring, the other part is a butterfly rubber-covered ring body arranged around the outer ring of the butterfly rubber-covered body, the butterfly rubber-covered ring body covers the handle outside the hand grabbing hole, and two side end faces of the butterfly rubber-covered ring body protrude in the axial direction relative to the two side end faces of the butterfly rubber-covered body;
the butterfly-shaped rubber-coated ring body is formed by connecting a plurality of arc sections and a plurality of mountain-shaped sections in an end-to-end staggered manner, the arc sections are coated outside the handles, two ends of each mountain-shaped section are coated on the end parts of two adjacent handles, and the middle protrusions are coated on partial areas of the iron core body;
the connection part of the arc-shaped section and the Chinese character 'shan' section is a process groove.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350334.7A CN111330211A (en) | 2020-04-28 | 2020-04-28 | Rubber coating body for fitness equipment |
| PCT/CN2020/122400 WO2021218062A1 (en) | 2020-04-28 | 2020-10-21 | Coating for fitness equipment |
| LU102634A LU102634B1 (en) | 2020-04-28 | 2020-10-21 | Rubberized body for fitness equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350334.7A CN111330211A (en) | 2020-04-28 | 2020-04-28 | Rubber coating body for fitness equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111330211A true CN111330211A (en) | 2020-06-26 |
Family
ID=71177297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010350334.7A Pending CN111330211A (en) | 2020-04-28 | 2020-04-28 | Rubber coating body for fitness equipment |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN111330211A (en) |
| LU (1) | LU102634B1 (en) |
| WO (1) | WO2021218062A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021218062A1 (en) * | 2020-04-28 | 2021-11-04 | 南通宝鹏健身器材科技有限公司 | Coating for fitness equipment |
| CN113813549A (en) * | 2021-09-29 | 2021-12-21 | 南通骐骏机械有限公司 | Environment-friendly soft dumbbell |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115042377B (en) * | 2022-07-25 | 2023-09-19 | 定州市南源鞋业有限公司 | Circular dumbbell manufacturing process |
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| WO2021218062A1 (en) * | 2020-04-28 | 2021-11-04 | 南通宝鹏健身器材科技有限公司 | Coating for fitness equipment |
| CN113813549A (en) * | 2021-09-29 | 2021-12-21 | 南通骐骏机械有限公司 | Environment-friendly soft dumbbell |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021218062A1 (en) | 2021-11-04 |
| LU102634B1 (en) | 2021-10-28 |
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