CN204246740U - The bent axle dumbbell that a kind of offset is adjustable - Google Patents
The bent axle dumbbell that a kind of offset is adjustable Download PDFInfo
- Publication number
- CN204246740U CN204246740U CN201420679600.0U CN201420679600U CN204246740U CN 204246740 U CN204246740 U CN 204246740U CN 201420679600 U CN201420679600 U CN 201420679600U CN 204246740 U CN204246740 U CN 204246740U
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- CN
- China
- Prior art keywords
- extension arm
- balancing weight
- dumbbell
- fixed arm
- bent axle
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Abstract
The utility model belongs to field of exercise equipment, be specifically related to the bent axle dumbbell that a kind of offset is adjustable, this bent axle dumbbell passes ring-type elongated slot successively by trip bolt, fixed arm plates and extension arm plates are fastenedly connected by screwed hole, be arranged so that the installation site of trip bolt is adjustable due to ring-type elongated slot, and then change the centrifugal radius of balancing weight and the handle be arranged on extension arm, the centrifugal radius of balancing weight is larger, centrifugal force is larger, vibration force is also larger, exercise intensity is higher, train on is better, do not need the quantity increasing balancing weight can realize the increase of exercise intensity, cost is lower.Be arranged on annular knurl on handle and circular arc depression can increasing friction force simultaneously, is convenient to user and holds, prevent from getting loose.
Description
Technical field
The utility model belongs to field of exercise equipment, specifically relates to the bent axle dumbbell that a kind of offset is adjustable.
Background technology
Dumbbell is the simple body-building apparatus of a kind of structure, reaches the object loosening and take exercises different parts by different usings method, exercise dumbbell aerobic fitness method owned by France and train on significant effective, and therefore, exercise dumbbell becomes the first-selection of many working clans.But carry out the dumbbell of fitness training use at present, the mode that only arm can be utilized to hold act is trained, functionally not only seem dull, the motion mode repeated also easily makes user lose interest to training, the balancing weight that it is arranged is identical with dumbbell axle center, when user needs to increase exercise intensity, counterweight need be continued at the two ends of dumbbell, so both have impact on the outward appearance of dumbbell, take larger space, continue to increase counterweight can make to temper added cost simultaneously, and exercise intensity change is little, structure bulky, exercise dynamics size is non-adjustable, be suitable for crowd's scope little, lack interest, dry as dust, be unfavorable for taking regular exercise for a long time.
Summary of the invention
For overcoming above-mentioned defect, the bent axle dumbbell that namely the purpose of this utility model is to provide a kind of cost is lower, exercise intensity is adjustable flexibly offset adjustable.
The purpose of this utility model is achieved through the following technical solutions:
The bent axle dumbbell that a kind of offset of the present utility model is adjustable, comprising: handle, rolling bearing, balance weight assembly; The two ends of described handle offer left bearing hole, right bearing hole; The quantity of described rolling bearing is two, is fixedly mounted on described left bearing hole, right bearing hole respectively; The quantity of described balance weight assembly is two, is symmetric, and is fixedly connected with respectively with two rolling bearings; Described balance weight assembly includes: fixed arm, extension arm and balancing weight; Described handle is provided with annular knurl, and the middle position of described handle is circular arc depression;
Described extension arm is L-shaped, and one end of described extension arm is extension arm cylinder head, and the other end is extension arm plates, and described extension arm plates offer ring-type elongated slot, and described extension arm cylinder cephalic par is provided with external screw thread; Described fixed arm is L-shaped, one end of described fixed arm is fixed arm cylinder head, the other end is fixed arm plates, described fixed arm cylinder head is fixedly mounted in described rolling bearing, described fixed arm plates offers corresponding described ring-type elongated slot position, equally distributed plural screwed hole; The width of described ring-type elongated slot is greater than the diameter of described screwed hole; Described fixed arm plates are fastenedly connected through ring-type elongated slot, screwed hole by the trip bolt corresponding with screwed hole quantity successively with extension arm plates; Described balancing weight middle offers through hole, and described balancing weight is socketed on described extension arm cylinder head by through hole, the external screw thread of described extension arm cylinder head is provided with the hold-down nut be fastened on by balancing weight on described extension arm cylinder head; Described fixed arm is provided with and becomes gradient to carry out spacing fixed arm gear to rolling bearing with fixed arm cylinder capitiform, described extension arm is provided with and becomes gradient to carry out spacing extension arm gear to balancing weight with extension arm cylinder capitiform, described rolling bearing is deep groove ball bearing or unidirectional needle bearing.
Further, the quantity of described screwed hole is two.
Further, the quantity of described screwed hole is three.
Wherein, the cross section of described balancing weight is regular polygon or circle.
The bent axle dumbbell that a kind of offset that the utility model provides is adjustable, this bent axle dumbbell passes ring-type elongated slot successively by trip bolt, fixed arm plates and extension arm plates are fastenedly connected by screwed hole, be arranged so that the installation site of trip bolt is adjustable due to ring-type elongated slot, and then change the centrifugal radius of balancing weight and the handle be arranged on extension arm, the centrifugal radius of balancing weight is larger, centrifugal force is larger, vibration force is also larger, exercise intensity is higher, train on is better, do not need the quantity increasing balancing weight can realize the increase of exercise intensity, cost is lower.Be arranged on annular knurl on handle and circular arc depression can increasing friction force simultaneously, is convenient to user and holds, prevent from getting loose.
Accompanying drawing explanation
For ease of illustrating, the utility model is described in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the adjustable bent axle dumbbell structure schematic diagram of a kind of offset of the utility model;
Fig. 2 is the structural representation of a kind of angle of extension arm in the adjustable bent axle dumbbell of a kind of offset of the utility model;
Fig. 3 is the structural representation of the another kind of angle of extension arm in the adjustable bent axle dumbbell of a kind of offset of the utility model;
Fig. 4 is the structural representation of a kind of angle of fixed arm in the adjustable bent axle dumbbell of a kind of offset of the utility model;
Fig. 5 is the structural representation of the another kind of angle of fixed arm in the adjustable bent axle dumbbell of a kind of offset of the utility model;
Fig. 6 is the schematic cross-section of balancing weight in the adjustable bent axle dumbbell of a kind of offset of the utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1-6, the bent axle dumbbell that a kind of offset of the present utility model is adjustable, comprising: handle 1, rolling bearing 2, balance weight assembly; The two ends of this handle 1 offer left bearing hole 3, right bearing hole 4; The quantity of this rolling bearing 2 is two, is fixedly mounted on this left bearing hole 3, right bearing hole 4 respectively; The quantity of this balance weight assembly is two, is symmetric, and is fixedly connected with respectively with two rolling bearings 2; This balance weight assembly includes: fixed arm 5, extension arm 6 and balancing weight 7; This handle 1 is provided with annular knurl, and the middle position of this handle 1 is circular arc depression 8, and this annular knurl and circular arc depression 8 can increasing friction forces, are convenient to user and hold, prevent from getting loose.
This extension arm 6 is L-shaped, and one end of this extension arm 6 is extension arm cylinder head 12, and the other end is extension arm plates 13, and these extension arm plates 13 offer ring-type elongated slot 11, and this extension arm cylinder head 12 end is provided with external screw thread 20; This fixed arm 5 is L-shaped, one end of this fixed arm 5 is fixed arm cylinder head 9, the other end is fixed arm plates 10, this fixed arm cylinder head 9 is fixedly mounted in this rolling bearing 2, this rolling bearing 2 is deep groove ball bearing or unidirectional needle bearing, 9 meetings of this fixed arm cylinder head are rotated around rolling bearing 2, can not move along the axis of rolling bearing 2.
These fixed arm plates 10 offer to should ring-type elongated slot 11 position, equally distributed plural screwed hole 14, as preferably, the quantity of this screwed hole 14 is two or three; The width of this ring-type elongated slot 11 is greater than the diameter of this screwed hole 14; These fixed arm plates 10 are fastenedly connected through ring-type elongated slot 11, screwed hole 14 by the trip bolt 15 corresponding with screwed hole 14 quantity successively with extension arm plates 13; This balancing weight 7 middle offers through hole 16, and this balancing weight 7 is socketed on this extension arm cylinder head 12 by through hole 16, and the cross section of this balancing weight 7 is regular polygon or circle, and specifically see Fig. 6, the cross section of this balancing weight 7 is regular polygon.
The external screw thread 20 of this extension arm cylinder head 12 is provided with the hold-down nut 17 be fastened on by balancing weight 7 on this extension arm cylinder head 12; This fixed arm 5 is provided with and forms gradient with fixed arm cylinder head 9 spacing fixed arm gear 18 is carried out to rolling bearing 2, this extension arm 6 is provided with and forms gradient with extension arm cylinder head 12 spacing extension arm gear 19 is carried out to balancing weight 7.
The operation principle of this bent axle dumbbell is: this bent axle dumbbell passes ring-type elongated slot 11 successively by trip bolt 15, fixed arm plates 10 and extension arm plates 13 are fastenedly connected by screwed hole 14, be arranged so that the installation site of trip bolt 15 is adjustable due to ring-type elongated slot 11, and then change the centrifugal radius being arranged on balancing weight on extension arm 67 and handle 1, then the length between regulating handle 1 and balancing weight 7, length is longer, the radius of balancing weight 7 thorny handle 1 revolution is larger, the centrifugal force produced is also larger, vibrate larger, to arm, wrist, muscle can effectively be taken exercise.When hand-tight hold this bent axle dumbbell time, while the thorny handle 1 of balancing weight 7 revolves round the sun, hand is also constantly being brandished by arm, change the locus of this bent axle dumbbell, continuous changing path of movement, can rock in optional position, space and carry out eccentric rotary, reach the object of taking exercises.Left hand and the right hand can grip this bent axle dumbbell simultaneously, take exercises, the coordination ability of taking exercises and arm strength simultaneously.When the weight of balancing weight 7 does not change, change the centrifugal radius of this balancing weight 7, adjust the size of centrifugal force, the centrifugal radius of this balancing weight 7 is larger, and centrifugal force is larger, and vibration force is also larger, and train on is better, otherwise less.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. the bent axle dumbbell that offset is adjustable, is characterized in that, comprising: handle, rolling bearing, balance weight assembly; The two ends of described handle offer left bearing hole, right bearing hole; The quantity of described rolling bearing is two, is fixedly mounted on described left bearing hole, right bearing hole respectively; The quantity of described balance weight assembly is two, is symmetric, and is fixedly connected with respectively with two rolling bearings; Described balance weight assembly includes: fixed arm, extension arm and balancing weight; Described handle is provided with annular knurl, and the middle position of described handle is circular arc depression;
Described extension arm is L-shaped, and one end of described extension arm is extension arm cylinder head, and the other end is extension arm plates, and described extension arm plates offer ring-type elongated slot, and described extension arm cylinder cephalic par is provided with external screw thread; Described fixed arm is L-shaped, one end of described fixed arm is fixed arm cylinder head, the other end is fixed arm plates, described fixed arm cylinder head is fixedly mounted in described rolling bearing, described fixed arm plates offers corresponding described ring-type elongated slot position, equally distributed plural screwed hole; The width of described ring-type elongated slot is greater than the diameter of described screwed hole; Described fixed arm plates are fastenedly connected through ring-type elongated slot, screwed hole by the trip bolt corresponding with screwed hole quantity successively with extension arm plates; Described balancing weight middle offers through hole, and described balancing weight is socketed on described extension arm cylinder head by through hole, the external screw thread of described extension arm cylinder head is provided with the hold-down nut be fastened on by balancing weight on described extension arm cylinder head; Described fixed arm is provided with and becomes gradient to carry out spacing fixed arm gear to rolling bearing with fixed arm cylinder capitiform, described extension arm is provided with and becomes gradient to carry out spacing extension arm gear to balancing weight with extension arm cylinder capitiform, described rolling bearing is deep groove ball bearing or unidirectional needle bearing.
2. the bent axle dumbbell that a kind of offset according to claim 1 is adjustable, is characterized in that, the quantity of described screwed hole is two.
3. the bent axle dumbbell that a kind of offset according to claim 1 is adjustable, is characterized in that, the quantity of described screwed hole is three.
4. the bent axle dumbbell that a kind of offset according to any one of claim 1-3 is adjustable, is characterized in that, the cross section of described balancing weight is regular polygon or circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679600.0U CN204246740U (en) | 2014-11-14 | 2014-11-14 | The bent axle dumbbell that a kind of offset is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679600.0U CN204246740U (en) | 2014-11-14 | 2014-11-14 | The bent axle dumbbell that a kind of offset is adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204246740U true CN204246740U (en) | 2015-04-08 |
Family
ID=52951098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420679600.0U Expired - Fee Related CN204246740U (en) | 2014-11-14 | 2014-11-14 | The bent axle dumbbell that a kind of offset is adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204246740U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061622A (en) * | 2017-03-01 | 2017-08-18 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | A kind of logical machine balance shaft and leveling method |
| RU208285U1 (en) * | 2021-01-16 | 2021-12-13 | Лев Маркович Зарецкий | Sports equipment |
-
2014
- 2014-11-14 CN CN201420679600.0U patent/CN204246740U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061622A (en) * | 2017-03-01 | 2017-08-18 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | A kind of logical machine balance shaft and leveling method |
| RU208285U1 (en) * | 2021-01-16 | 2021-12-13 | Лев Маркович Зарецкий | Sports equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151114 |
|
| EXPY | Termination of patent right or utility model |