CN108079493B - A kind of barbell weight-adjustable device - Google Patents
A kind of barbell weight-adjustable device Download PDFInfo
- Publication number
- CN108079493B CN108079493B CN201711394536.6A CN201711394536A CN108079493B CN 108079493 B CN108079493 B CN 108079493B CN 201711394536 A CN201711394536 A CN 201711394536A CN 108079493 B CN108079493 B CN 108079493B
- Authority
- CN
- China
- Prior art keywords
- barbell
- armature
- elevating lever
- pulling force
- slide plate
- 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.)
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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
- A63B21/075—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle with variable weights, e.g. weight systems with weight selecting means for bar-bells or dumb-bells
-
- 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
- A63B21/00058—Mechanical means for varying the resistance
- A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
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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
- A63B21/00181—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices comprising additional means assisting the user to overcome part of the resisting force, i.e. assisted-active exercising
-
- 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
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)
- Rehabilitation Tools (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The application discloses a kind of barbell weight-adjustable device of field of exercise equipment, including barbell and support frame, support frame is equipped with fixed pulley, barbell is equipped with pulling force rope, pulling force rope is connected with armature around fixed pulley, pulling force rope is fixedly connected on armature, support frame is equipped with the limited block that move armature can only above along the vertical direction, the underface of armature is equipped with solenoid vertically, power supply and elevating lever are additionally provided on support frame, the positive and negative anodes of power supply are connected separately with a conducting wire, wherein a conducting wire is connect with solenoid upper end, another conducting wire is electrically connected with conductive slide plate, conductive slide plate is fixed on the top of elevating lever, collets are equipped between conductive slide plate and elevating lever, the one end of conductive slide plate far from elevating lever is slidably connected with solenoid, elevating lever is electrically connected with the controller of its lifting of driving.In the present solution, to adjust the size of electromagnetic force, in a disguised form realizing the size for adjusting barbell weight by the position on the solenoid for adjusting conductive slide plate.
Description
Technical field
The invention belongs to field of exercise equipment, and in particular to a kind of barbell weight-adjustable device.
Background technique
Barbell is equipment needed for a kind of Excercise training apparatus and weight lifting, there is standard barbell and two kinds of non-standard barbell.Mark
Quasi- barbell is made of barbell bar (whippletree), disc and clip three parts.Non-standard barbell structure is same as standard barbell, and size is wanted
Ask not stringent, production is of less demanding, and weight can be provided freely, and the civil stone barbell used also can replace.
Widely used, either shoulder, back, arm, chest etc. the muscle of barbell, by barbell and different weight
Iron plate is cooked muscular endurance training for whole body muscle group, makes fat combustion, be converted into repeatedly several muscular strength special training skills
Strong the line of beauty improves movement part but still flaccid muscles for a long time；In addition, can more delay muscle aging, increase sclerotin close, anti-
Only osteoporosis and other effects.
In existing barbell, the weight of barbell is different due to varying in weight for disc, needs to change barbell when training
Weight, as replacement disc, but replacement process is cumbersome, not by clip clamping barbell when wasting the plenty of time, and replacing
When piece, disc is easily fallen, and may injure trainer by a crashing object.
Summary of the invention
The purpose of this hair is to provide a kind of barbell weight-adjustable device, no replacement is required disc, easy to operate, safely may be used
It leans on.
In order to achieve the above object, the present invention provides following scheme: a kind of barbell weight-adjustable device, including barbell and branch
Support, support frame as described above are equipped with fixed pulley, and the barbell is equipped with pulling force rope, and the pulling force rope is connected with drawing around fixed pulley
Power device, the puller system include armature, and the pulling force rope is fixedly connected on armature, and support frame as described above, which is equipped with, makes armature
The limited block that can only above move along the vertical direction, the underface of the armature is equipped with solenoid, the solenoid and armature vertically
Central axes be overlapped, the solenoidal internal diameter is greater than the diameter of armature, is additionally provided with power supply and elevating lever on support frame as described above, institute
The positive and negative anodes for stating power supply are connected separately with a conducting wire, wherein a conducting wire is connect with solenoid upper end, another conducting wire is electrically connected
It is connected to conductive slide plate, conductive slide plate is fixed on the top of elevating lever, and collets are equipped between conductive slide plate and elevating lever, and conduction is sliding
The one end of piece far from elevating lever is slidably connected with solenoid, and the elevating lever is electrically connected with the controller of its lifting of driving.
The working principle of this programme and its utility model has the advantages that in use, opening power supply, solenoid energization, generation magnetic force, to upper
The armature of side generates attraction, and the armature attraction downward by one, due to being connected with pulling force rope on armature, and pulling force rope bypasses
Fixed pulley is connect with barbell, so the power that is subject to of armature is the pulling force of self gravity, attraction and rope, due to the balance of power,
The power that barbell is subject to is the pulling force of self gravity and rope, which is equal to the sum of armature gravity and attraction, and trainer lifts
The strength used when barbell opposite can be reduced, and be equivalent to the weight for alleviating barbell in this way.Then the weight initial according to barbell
Amount and trainer need weight to be used to adjust the size of pulling force, since armature weight is constant, so need to only adjust attraction
Size, which is substantially equal to the electromagnetic force of solenoid generation, and the calculation formula of the electromagnetic force is F=[0.31*
B2*d2*(d2+2.5*L2)]*106/(d+0.74*L)2, wherein d is the diameter of armature, and L is that air-gap is averaged when armature is initial
Length, B are magnetic flux, and its calculation formula is B=μ * n*I/L, and wherein μ is the magnetic conductivity (π of μ=4 * 10-7N/A2), n is to be powered
Solenoid coil the number of turns, I are the electric current passed through in solenoid, and I=U/R, U are supply voltage, and R is the electricity of solenoid energized part
Resistance.So when the diameter of attraction and armature, armature are initial air-gap average length, solenoid coil the number of turns of energization, electricity
Source voltage, the numerical value such as resistance of solenoid energized part are related, and the length of pulling force rope is constant in the present apparatus, and armature is apart from solenoid
Initial distance it is also constant, so L is also constant, supply voltage can also be remained unchanged, thus adjust energization solenoid coil
The number of turns, i.e., the size of changeable electromagnetic force, that is to say and the sliding position of conduction slide plate on the solenoid is related, so this programme
In the lifting of elevating lever need to be only controlled by controller, that is, adjust the position on the solenoid of conductive slide plate to adjust electromagnetic force
Size, also realize in a disguised form adjust barbell weight size.
Further, the controller is equipped with multiple knobs, for adjusting lifter rod lifting to different height.It uses
When, can in advance with puller system simulation test conduction on the solenoid different location when the pulling force that is subject to of armature, remember different pulling force
The height of elevating lever and its corresponding knob when size, can control different pulling force, by different knobs in this way in a disguised form
Control different barbell weight sizes.
Further, pulling force numerical value suffered by armature when being equipped with the position of its control elevating lever upper end on each knob
Label.By the pulling force numeric indicia tested out on corresponding knob, the weight of barbell is clearly in a disguised form adjusted convenient for trainer
Amount.
Further, the pulling force rope has two, is located at the both ends of barbell, and two pulling force ropes are respectively connected with pulling force dress
It sets.Setting is convenient for keeping the balance of barbell in this way.
Further, the elevating lever in two puller systems is controlled by the controller and is gone up and down, and the synchronous liter of the two
Drop, the label numerical value halve setting.Because there are two puller systems, the pulling force that barbell is subject to is doubled, by label
Numerical value halves to clearly show that, with same controller control lifter rod lifting convenient for operation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of barbell weight-adjustable device of the present invention.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: barbell 1, pulling force rope 2, support frame 3, solenoid 4, elevating lever 5, power supply
6, conducting wire 7, conductive slide plate 8, limited block 9, armature 10, fixed pulley 11.
Embodiment is substantially as shown in Fig. 1: a kind of 1 weight-adjustable device of barbell, including barbell 1 and support frame 3, support frame
3 are equipped with fixed pulley 11, and the both ends of barbell 1 have been respectively fixedly connected with a pulling force rope 2, and every pulling force rope 2 is fixed sliding around two
Wheel 11 is connected with an armature 10, and support frame 3 is equipped with the limited block 9 that move armature 10 can only above along the vertical direction, each
The underface of armature 10 is equipped with a solenoid 4 vertically, and each solenoid 4 is heavy with the central axes of the armature 10 right above it
It closes, the internal diameter of solenoid 4 is greater than the diameter of armature 10, is additionally provided with two power supplys 6 on support frame 3, is equipped with one by each power supply 6
Root elevating lever 5, the positive and negative anodes of power supply 6 are connected separately with a conducting wire 7, wherein a conducting wire 7 is connect with 4 upper end of solenoid, separately
A piece conducting wire 7 is electrically connected with conductive slide plate 8, and conductive slide plate 8 is fixed on the top of the elevating lever 5 on 6 side of power supply, conductive slide plate 8
Collets are equipped between elevating lever 5, the one end of conductive slide plate 8 far from elevating lever 5 is slidably connected with solenoid 4, two liftings
Bar 5 is electrically connected with the controller of both drivings synchronization lifting, and controller is equipped with multiple knobs, is equipped with its control on each knob
The label of pulling force numerical value suffered by armature 10 when the position of 5 upper end of elevating lever processed.
In use, opening power supply 6, solenoid 4 is powered, and generates magnetic force, generates attraction to the armature 10 of top, armature 10 by
The attraction downward to one, due to being connected with pulling force rope 2 on armature 10, and pulling force rope 2 connects around fixed pulley 11 and barbell 1
It connects, so the power that is subject to of armature 10 is the pulling force of self gravity, attraction and rope, due to the balance of power, power that barbell 1 is subject to
The as pulling force of self gravity and rope, the pulling force are equal to the sum of 10 gravity of armature and attraction, and trainer uses when lifting barbell 1
Strength opposite can reduce, be equivalent to the weight for alleviating barbell 1 in this way.Then the weight and training initial according to barbell 1
Person needs weight to be used to adjust the size of pulling force, since 10 weight of armature is constant, so need to only adjust the size of attraction
, need to only pass through the lifting that controller controls elevating lever 5 in this programme, that is, adjust the position on solenoid 4 of conductive slide plate 8
Set also realizes the size for adjusting 1 weight of barbell to adjust the size of electromagnetic force in a disguised form.
The above are merely the embodiment of the present invention, the common sense such as well known specific structure and characteristic are not made excessively herein in scheme
Description.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented
And patent practicability.The scope of protection required by this application should be based on the content of the claims, specific in specification
The records such as embodiment can be used for explaining the content of claim.
Claims (5)
1. a kind of barbell weight-adjustable device, it is characterised in that: including barbell and support frame, support frame as described above is equipped with fixed sliding
Wheel, the barbell are equipped with pulling force rope, and the pulling force rope is connected with puller system around fixed pulley, and the puller system includes rank
Iron, the pulling force rope are fixedly connected on armature, and support frame as described above is equipped with the limit that move armature can only above along the vertical direction
Position block, the underface of the armature are equipped with solenoid vertically, and the solenoid is overlapped with the central axes of armature, described solenoidal
Internal diameter is greater than the diameter of armature, is additionally provided with power supply and elevating lever on support frame as described above, the positive and negative anodes of the power supply are connected separately with
A piece conducting wire, wherein a conducting wire is connect with solenoid upper end, another conducting wire is electrically connected with conductive slide plate, and conductive slide plate is fixed
Collets, conductive slide plate one end and helical far from elevating lever are equipped between the top of elevating lever, conductive slide plate and elevating lever
Pipe is slidably connected, and the elevating lever is electrically connected with the controller of its lifting of driving.
2. a kind of barbell weight-adjustable device according to claim 1, it is characterised in that: the controller is equipped with multiple
Knob, for adjusting lifter rod lifting to different height.
3. a kind of barbell weight-adjustable device according to claim 2, it is characterised in that: be equipped on each knob
The label of pulling force numerical value suffered by armature when it controls the position of elevating lever upper end.
4. a kind of barbell weight-adjustable device according to claim 3, it is characterised in that: the pulling force rope has two, point
Not Wei Yu barbell both ends, two pulling force ropes are respectively connected with puller system.
5. a kind of barbell weight-adjustable device according to claim 4, it is characterised in that: in two puller systems
Elevating lever is controlled by the controller and is gone up and down, and the two synchronization lifting, the label numerical value halve setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394536.6A CN108079493B (en) | 2017-12-21 | 2017-12-21 | A kind of barbell weight-adjustable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394536.6A CN108079493B (en) | 2017-12-21 | 2017-12-21 | A kind of barbell weight-adjustable device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108079493A CN108079493A (en) | 2018-05-29 |
| CN108079493B true CN108079493B (en) | 2019-09-17 |
Family
ID=62178539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711394536.6A Active CN108079493B (en) | 2017-12-21 | 2017-12-21 | A kind of barbell weight-adjustable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108079493B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3950073A1 (en) * | 2020-08-07 | 2022-02-09 | Claudia Schneider | Exercise device for muscle training |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053656B (en) * | 2021-11-23 | 2022-09-16 | 姚泽龙 | Sports strength training device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397664A (en) * | 2011-12-09 | 2012-04-04 | 河南理工大学 | Multi-functional electromagnetic combined fitness equipment |
| CN205626881U (en) * | 2016-03-05 | 2016-10-12 | 淳再清 | Exerciser is assisted to multi -functional psoas |
-
2017
- 2017-12-21 CN CN201711394536.6A patent/CN108079493B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397664A (en) * | 2011-12-09 | 2012-04-04 | 河南理工大学 | Multi-functional electromagnetic combined fitness equipment |
| CN205626881U (en) * | 2016-03-05 | 2016-10-12 | 淳再清 | Exerciser is assisted to multi -functional psoas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3950073A1 (en) * | 2020-08-07 | 2022-02-09 | Claudia Schneider | Exercise device for muscle training |
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| Publication number | Publication date |
|---|---|
| CN108079493A (en) | 2018-05-29 |
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Effective date of registration: 20201023 Address after: Group 23, Liuhai village, Dingyan Town, Rugao City, Nantong City, Jiangsu Province, 226500 Patentee after: Nantong pinli fitness equipment Technology Co.,Ltd. Address before: 400039 Chongqing Jiulongpo Branch City Road No. 68, No. 33-1 Patentee before: CHONGQING MOAO TECHNOLOGY Co.,Ltd. |