CN111840892A - Dumbbell piece - Google Patents
Dumbbell piece Download PDFInfo
- Publication number
- CN111840892A CN111840892A CN202010530084.5A CN202010530084A CN111840892A CN 111840892 A CN111840892 A CN 111840892A CN 202010530084 A CN202010530084 A CN 202010530084A CN 111840892 A CN111840892 A CN 111840892A
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- CN
- China
- Prior art keywords
- protective sleeve
- box body
- dumbbell
- piston cylinder
- ground
- Prior art date
- 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.)
- Granted
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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
- A63B21/0726—Dumb bells, i.e. with a central bar to be held by a single hand, and with weights at the ends
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- 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)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a dumbbell piece, which comprises a disc-shaped box body, wherein fillers are arranged in the box body, and a shaft sleeve is arranged at the center of the box body; a protective sleeve is arranged in the circumferential direction of the box body, a plurality of ribs are arranged on the inner side of the protective sleeve, a plurality of air chambers are formed between the protective sleeve and the box body, and a plurality of exhaust holes are formed in the circumferential direction of the protective sleeve; the outer ring surface of the protective sleeve is provided with a plurality of contact buffer devices. According to the invention, when the dumbbell piece falls on the ground, a good buffering effect is formed between the dumbbell piece and the ground, so that the impact force between the dumbbell piece and the ground is greatly reduced, the dumbbell piece is well protected, and the ground is prevented from being damaged.
Description
Technical Field
The invention relates to the technical field of fitness equipment, in particular to a dumbbell piece.
Background
The dumbbell is a commonly used fitness apparatus. The weight of existing dumbbells is adjusted by increasing or decreasing the number of dumbbell pieces. The existing dumbbell piece is usually a disc-shaped metal body, the weight of the existing dumbbell piece is certain, if the existing dumbbell piece drops to the ground carelessly in the using process, the outer edge of the existing dumbbell piece is usually contacted with and collided with the ground, the impact force generated by the existing dumbbell piece and the ground can damage the existing dumbbell piece, and the ground is easily smashed.
Such as: the invention discloses a dumbbell, which comprises a holding rod and dumbbell pieces, wherein threaded holes with two communicated ends are formed in the holding rod, one ends of two screws respectively penetrate through holes in the dumbbell pieces and then are connected to the two ends of the holding rod in a threaded mode, and hand-turning caps are fixed to the other ends of the two screws. The surface of the holding part of the holding rod is provided with anti-skid grains. If the dumbbell piece falls to the ground carelessly in the using process, the impact force generated by the dumbbell piece and the ground can damage the dumbbell piece, and the ground is easy to smash.
Disclosure of Invention
The invention aims to solve the problems that the impact force generated by a dumbbell piece and the ground can damage the dumbbell piece and the ground is easy to smash if the existing dumbbell piece falls to the ground carelessly in the using process, and provides a dumbbell piece which can effectively solve the problems.
The purpose of the invention is realized by the following technical scheme: a dumbbell sheet comprises a disc-shaped box body, wherein fillers are arranged in the box body, and a shaft sleeve is arranged in the center of the box body; a protective sleeve is arranged in the circumferential direction of the box body, a plurality of ribs are arranged on the inner side of the protective sleeve, a plurality of air chambers are formed between the protective sleeve and the box body, and a plurality of exhaust holes are formed in the circumferential direction of the protective sleeve; the outer ring surface of the protective sleeve is provided with a plurality of contact buffer devices.
In the invention, the main weight of the dumbbell sheet is generated by the filler in the box body, and the weight of the dumbbell sheet can be adjusted by changing the amount of the filler. The shaft sleeve in the center of the box body is used for connecting the holding rod of the dumbbell. The protective sleeve is made of soft materials such as rubber and is arranged in the circumferential direction of the dumbbell sheet, and the air chamber in the protective sleeve plays a role in buffering. When the dumbbell piece ground that drops collides with ground, the contact buffer device who sets up on the outer anchor ring face of protection cover can contact with ground, contact buffer device can play the cushioning effect and absorb partly energy of striking after contacting with ground, contact buffer device can be extruded deformation with ground contact back protective sheath simultaneously, the air chamber receives the extrusion, some air in the air chamber can be given vent to anger through the exhaust hole extrusion, the air chamber is receiving extruded in-process, some cushioning effect has been played and certain impact energy has been absorbed, simultaneously from the outside discharge of exhaust hole combustion gas and blow to subaerial, form certain recoil effect, make the dumbbell piece slow down. Through the multiple buffering effect, when the dumbbell piece falls to the ground, a good buffering effect is formed between the dumbbell piece and the ground, the impact force between the dumbbell piece and the ground is greatly reduced, the dumbbell piece is well protected, and meanwhile the ground is prevented from being damaged by smashing.
Preferably, the contact buffer device comprises a piston cylinder, a piston is arranged in the piston cylinder, a buffer rod is connected to the piston, a through hole is formed in one end, far away from the protective sleeve, of the piston cylinder, and one end of the buffer rod penetrates through the through hole and extends out of the piston cylinder; a gas cavity is formed between the piston and the piston cylinder, a spring is arranged in the gas cavity, two ends of the spring are respectively connected with the piston and the inner wall of the piston cylinder, a buffer air bag is arranged at one end, far away from the protective sleeve, of the piston cylinder, and the buffer air bag is connected with the gas cavity through an air passage arranged in the piston cylinder. When the contact buffer device is contacted with the ground, the buffer rod is firstly contacted with the ground and moves towards the other end of the piston cylinder, the piston is pushed to move in the moving process, and a first heavy buffer effect is achieved on the falling dumbbell sheet under the action of the spring; when the piston moves, the volume of the gas cavity is reduced, gas in the gas cavity can be filled into the buffer air bag through the gas channel, so that the buffer air bag expands, the expanded buffer air bag is in contact with the ground, and a second buffer effect is achieved on falling dumbbell pieces. The contact buffer device enables the dumbbell piece to obtain good buffer effect in the falling process, and the impact force between the dumbbell piece and the ground is greatly reduced.
Preferably, the contact-making cushioning devices are arranged in an annular array on the outer circumferential surface of the protective sleeve.
Preferably, the box body is formed by connecting a first half box body and a second half box body. The box body is formed by connecting a first half box body and a second half box body, so that fillers can be conveniently filled into the box body.
Preferably, the two ends of the shaft sleeve are respectively provided with a buffer sheet. The buffer plate can play a role in buffering between two adjacent dumbbell plates.
Preferably, the protective sleeve is made of rubber.
Preferably, the filler is formed by mixing basalt and portland cement.
The invention has the beneficial effects that: according to the invention, when the dumbbell piece falls on the ground, a good buffering effect is formed between the dumbbell piece and the ground, so that the impact force between the dumbbell piece and the ground is greatly reduced, the dumbbell piece is well protected, and the ground is prevented from being damaged.
Drawings
Fig. 1 is a sectional view in one direction of the present invention.
Fig. 2 is a cross-sectional view in another direction of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1. the gas-liquid separation device comprises a first half box body, a second half box body, 3, fillers, 4, a shaft sleeve, 5, a buffer sheet, 6, a protective sleeve, 7, a piston cylinder, 8, a piston, 9, a buffer rod, 10, a spring, 11, a buffer air bag, 12, ribs, 13, an air chamber, 14, exhaust holes, 15, an air chamber, 16 and an air channel.
Detailed Description
The invention is further described by the following detailed description in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 3, a dumbbell sheet comprises a disc-shaped box body formed by connecting a first half box body 1 and a second half box body 2. The box body is filled with fillers. The filler is formed by mixing basalt and portland cement. The center of the box body is provided with a shaft sleeve 4, and two ends of the shaft sleeve 4 are respectively provided with a flanging 9. The turn-ups 9 can be spacing to first half box body 1 and second half box body 2, make both the lock joint form a complete box body together. The flanges 9 at the two ends of the shaft sleeve 4 can be formed by stamping. The two ends of the shaft sleeve 9 are provided with buffer sheets 5, and the buffer sheets 5 are made of rubber. The buffer plates 5 can play a role of buffering between two adjacent dumbbell plates.
The box body is sleeved with a protective sleeve 6 in the circumferential direction, and the protective sleeve 6 is made of rubber. The inner side of the protective sleeve 6 is provided with a plurality of ribs 12, and the ribs 12 are distributed on the inner side of the protective sleeve 6 in an annular array mode. A plurality of air chambers 13 are formed between the protective sleeve 6 and the box body. A plurality of vent holes 14 are arranged on the circumference of the protective sleeve 6. A plurality of contact buffering devices are arranged on the outer annular surface of the protective sleeve 6.
The contact cushioning means are arranged in an annular array on the outer circumferential surface of the protective sleeve 6. The contact buffer device comprises a piston cylinder 7, a piston 8 is arranged in the piston cylinder 7, a buffer rod 9 is connected onto the piston 8, a through hole is formed in one end, far away from the protective sleeve 6, of the piston cylinder 7, and one end of the buffer rod 9 penetrates through the through hole and extends to the outside of the piston cylinder 7. A gas cavity 15 is formed between the piston 8 and the piston cylinder 7, a spring 10 is arranged in the gas cavity 15, and two ends of the spring 10 are respectively connected with the piston 8 and the inner wall of the piston cylinder 7. One end of the piston cylinder 7, which is far away from the protective sleeve 6, is provided with a buffer airbag 11, an air passage 16 is arranged in the piston cylinder 7, and two ends of the air passage 16 are respectively connected with the gas cavity 15 and the buffer airbag 11. When the contact buffer device is contacted with the ground, the buffer rod is firstly contacted with the ground and moves towards the other end of the piston cylinder, the piston is pushed to move in the moving process, and a first heavy buffer effect is achieved on the falling dumbbell sheet under the action of the spring; when the piston moves, the volume of the gas cavity is reduced, gas in the gas cavity can be filled into the buffer air bag through the gas channel, so that the buffer air bag expands, the expanded buffer air bag is in contact with the ground, and a second buffer effect is achieved on falling dumbbell pieces. The contact buffer device enables the dumbbell piece to obtain good buffer effect in the falling process, and the impact force between the dumbbell piece and the ground is greatly reduced. The box body is provided with a gyroscope sensor and a Bluetooth module connected with the gyroscope sensor, the gyroscope sensor is in the prior art, the specific structure and principle of the gyroscope sensor can be referred to an invention patent with the publication number of CN1954188B, and the invention name of the invention patent is the gyroscope sensor and a sensor device using the gyroscope sensor. The Bluetooth module can be in wireless connection with the mobile phone, the motion information of the dumbbell piece captured by the gyroscope sensor is transmitted to the mobile phone through the Bluetooth module during motion, the swinging times of the dumbbell piece can be calculated through corresponding mobile phone software, and the motion amount of a user is estimated.
In the invention, the main weight of the dumbbell sheet is generated by the filler in the box body, and the weight of the dumbbell sheet can be adjusted by changing the amount of the filler. The shaft sleeve in the center of the box body is used for connecting the holding rod of the dumbbell. The protective sleeve is made of soft materials such as rubber and is arranged in the circumferential direction of the dumbbell sheet, and the air chamber in the protective sleeve plays a role in buffering. When the dumbbell piece ground that drops collides with ground, the contact buffer device who sets up on the outer anchor ring face of protection cover can contact with ground, contact buffer device can play the cushioning effect and absorb partly energy of striking after contacting with ground, contact buffer device can be extruded deformation with ground contact back protective sheath simultaneously, the air chamber receives the extrusion, some air in the air chamber can be given vent to anger through the exhaust hole extrusion, the air chamber is receiving extruded in-process, some cushioning effect has been played and certain impact energy has been absorbed, simultaneously from the outside discharge of exhaust hole combustion gas and blow to subaerial, form certain recoil effect, make the dumbbell piece slow down. Through the multiple buffering effect, when the dumbbell piece falls to the ground, a good buffering effect is formed between the dumbbell piece and the ground, the impact force between the dumbbell piece and the ground is greatly reduced, the dumbbell piece is well protected, and meanwhile the ground is prevented from being damaged by smashing.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A dumbbell sheet, characterized in that: comprises a disc-shaped box body, wherein fillers are arranged in the box body, and a shaft sleeve is arranged in the center of the box body; a protective sleeve is arranged in the circumferential direction of the box body, a plurality of ribs are arranged on the inner side of the protective sleeve, a plurality of air chambers are formed between the protective sleeve and the box body, and a plurality of exhaust holes are formed in the circumferential direction of the protective sleeve; the outer ring surface of the protective sleeve is provided with a plurality of contact buffer devices.
2. The dumbbell piece according to claim 1, characterized in that the contact buffer device comprises a piston cylinder, a piston is arranged in the piston cylinder, a buffer rod is connected to the piston, a through hole is arranged at one end of the piston cylinder, which is far away from the protective sleeve, and one end of the buffer rod penetrates through the through hole and extends out of the piston cylinder; a gas cavity is formed between the piston and the piston cylinder, a spring is arranged in the gas cavity, two ends of the spring are respectively connected with the piston and the inner wall of the piston cylinder, a buffer air bag is arranged at one end, far away from the protective sleeve, of the piston cylinder, and the buffer air bag is connected with the gas cavity through an air passage arranged in the piston cylinder.
3. A dumbbell sheet according to claim 2, characterised in that the contact cushioning means are provided in an annular array on the outer circumferential surface of the protective sleeve.
4. A dumbbell sheet according to claim 1, characterised in that the cassette is formed by a first cassette half and a second cassette half joined together.
5. A dumbbell sheet according to claim 5, characterised in that the ends of the sleeve are provided with respective damping strips.
6. A dumbbell sheet as claimed in claim 1, characterised in that the protective sleeve is made of rubber.
7. A dumbbell sheet according to claim 1, characterised in that the filler is a mixture of basalt and portland cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010530084.5A CN111840892B (en) | 2020-06-11 | 2020-06-11 | Dumbbell piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010530084.5A CN111840892B (en) | 2020-06-11 | 2020-06-11 | Dumbbell piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111840892A true CN111840892A (en) | 2020-10-30 |
| CN111840892B CN111840892B (en) | 2021-10-22 |
Family
ID=72986508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010530084.5A Expired - Fee Related CN111840892B (en) | 2020-06-11 | 2020-06-11 | Dumbbell piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111840892B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050096195A1 (en) * | 2003-10-29 | 2005-05-05 | Sylvain Morrissette | Exercise weight comprising a permeable housing |
| CN202478474U (en) * | 2012-03-15 | 2012-10-10 | 田金海 | Adjustable kettle bell |
| CN207477854U (en) * | 2017-10-19 | 2018-06-12 | 潘妍艳 | A kind of dumbbell that can realize damping |
| CN208243998U (en) * | 2018-05-28 | 2018-12-18 | 柳东虹 | A kind of novel barbell damping Shatter-resistant device |
| CN109091798A (en) * | 2018-08-23 | 2018-12-28 | 天津市凯鑫金属制品有限公司 | A kind of dumbbell being able to achieve damping |
| CN109481893A (en) * | 2017-09-09 | 2019-03-19 | 天津市顺天盛典运动器材有限公司 | A kind of adjustable strength enhancing equipment with cushioning effect |
| CN110681109A (en) * | 2019-10-16 | 2020-01-14 | 吴国娟 | Dumbbell piece structure |
-
2020
- 2020-06-11 CN CN202010530084.5A patent/CN111840892B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050096195A1 (en) * | 2003-10-29 | 2005-05-05 | Sylvain Morrissette | Exercise weight comprising a permeable housing |
| CN202478474U (en) * | 2012-03-15 | 2012-10-10 | 田金海 | Adjustable kettle bell |
| CN109481893A (en) * | 2017-09-09 | 2019-03-19 | 天津市顺天盛典运动器材有限公司 | A kind of adjustable strength enhancing equipment with cushioning effect |
| CN207477854U (en) * | 2017-10-19 | 2018-06-12 | 潘妍艳 | A kind of dumbbell that can realize damping |
| CN208243998U (en) * | 2018-05-28 | 2018-12-18 | 柳东虹 | A kind of novel barbell damping Shatter-resistant device |
| CN109091798A (en) * | 2018-08-23 | 2018-12-28 | 天津市凯鑫金属制品有限公司 | A kind of dumbbell being able to achieve damping |
| CN110681109A (en) * | 2019-10-16 | 2020-01-14 | 吴国娟 | Dumbbell piece structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111840892B (en) | 2021-10-22 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |