CN2635139Y

CN2635139Y - Weight regulatable dumpbell

Info

Publication number: CN2635139Y
Application number: CNU03216128XU
Authority: CN
Inventors: 金圣澔; 艾文; 安托尼
Original assignee: Xiamen Jinxiong Enterprise Co Ltd
Current assignee: Xiamen Jinxiong Enterprise Co Ltd
Priority date: 2003-04-02
Filing date: 2003-04-02
Publication date: 2004-08-25
Anticipated expiration: 2013-04-02
Also published as: US20040198569A1

Abstract

The utility model discloses a weight adjustable dumpbell comprising a holder and a weight adjustable balance weight body, wherein, the body comprises a support base, a grab handle, a weight choice device which can be lift with the holder together and a weight choice mark used to display the weight choice values; the balance weight body comprises a plurality of groups of balance weight sheets which are symmetrically arranged and overlapped lengthways, and each balance weight sheet is provided with a corresponding structure which can match with the weight choice device. With the structure, by rotating a gear of the weight choice device, a rack meshed with the gear can be moved into the balance weight body, and the weight choice mark displaying the weight choice values corresponds to the quantity of the overlapped balance weight sheets; the balance weight sheets with different quantities can be correspondingly matched with the rack by controlling the stretching length of the rack to realize the adjustment of the weight of the dumpbell. The dumpbell has the advantages of evenly distributed gravity, stable placement, as well as convenient and quick weight adjustment.

Description

A kind of dumbbell of adjustable weight

Technical field

The utility model belongs to the physical fitness equipment, particularly a kind of dumbbell of adjustable weight.

Background technology

Dumbbell is that a kind of because its volume is little, training effect is good in order to temper the physical fitness articles for use of chest muscle and arm strength, and need not special-purpose training court, is subjected to particularly fitness and body building exercises person's hobby of physical culture fitness enthusiasts deeply.Traditional dumbbell is made up of a lever and two bell heads, the bell head is fixed on the two ends of lever, the people can carry out weight training by holding lever, takes exercises and vigorous and graceful purpose to reach, and its weight of traditional dumbbell is cannot adjusting of fixing, and for the person taking exercise in different training periods, need to use the dumbbell of Different Weight, just can reach the effect of exercise, just must buy the dumbbell of many Different Weight this moment, guaranteeing the continuation of its training, and reach good training effect; And on the other hand, fast development along with Chinese national economy, the significantly raising of people's living standard, and popularizing of national fitness campaign goed deep into, the user of dumbbell not only is confined to man and teenager now, many women, children even old man also add wherein one after another, and so often one family also need be purchased the dumbbell of several Different Weight, could guarantee that each kinsfolk can both use; A kind of dumbbell of adjustable weight arises at the historic moment for this reason, make a fitness and body building exercises person or one family only need buy a dumbbell, Different Weight that just can be by regulating dumbbell is to adapt to all ages and classes layer and use and to adapt to the use different to loading weight of different training stages.The dumbbell of the adjustable weight of prior art, comprise a lever, the disc that some annulars are arranged in the symmetrical respectively attaching in the two ends of lever, the diameter of each disc generally is made as identical or inequality, by adjusting the difference of annular disc quantity, can reach and make varying in weight of dumbbell, when the annular disc symmetry at lever two ends increases, the weight of dumbbell just increases, when the annular disc symmetry at lever two ends reduces, the weight of dumbbell just reduces, and the increase and decrease of lever two terminal circle annular disc is to fix by set screw rod in lever two ends and screwing togather of nut, the dumbbell of this kind structure, and the one, be circular owing to regulate the disc of weight, when being positioned over ground, can cause unsafe factor because of the rolling of annular disc when not using; The 2nd, the disc that the lever two ends are nested with is a separate type, need be inserted in respectively, has so both caused the cumbersome of cover process of assembling, causes the inconsistent of disc specification that the lever two ends are nested with or quantity again easily, causes the inconsistent of two ends weight, and can't use; The 3rd, the locking mode of the disc at dumbbell lever two ends is being screwed of nut and screw rod, in use inevitably have vibration, vibration will make the place of being screwed of nut and screw rod unclamp, and cause the disc locking not tight, so both influence the use of dumbbell, and can cause the dangerous of use again.

The utility model content

The purpose of this utility model is to overcome the deficiency of prior art, provides a kind of weight easy to adjust, quick, and integral body locks safely, places reliable, the dumbbell of the uniform a kind of adjustable weight of weight distribution.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of dumbbell of adjustable weight, and it comprises:

Hold body for one, hold lever that body includes bearing, an available grasped, can be with holding the weight selecting arrangement that body mentions and showing that weight selects the weight selection marker of numerical value; With

The balance weight body of a changeable weight, balance weight body by some groups longitudinally the superimposed weight stack of symmetric arrays constitute, each weight stack be provided with can be matched with the weight selecting arrangement corresponding structure.

Described weight selecting arrangement includes to be installed in and holds on the body and be available for users to the gear that is used for being rotated, and the tooth bar that is meshed with gear, and tooth bar root a tree name weight interval selection marker moves into the corresponding selected weighing body of balance weight body.

Set corresponding a be configured to open-work matched on described each weight stack with the weight selecting arrangement.

Described holding includes some cross bars that support bearing on the body.

Described weight selecting arrangement comprises the first weight selecting arrangement and the second weight selecting arrangement, and the first weight selecting arrangement is nested with in first cross bar and is connected first cross bar and near between some weight stacks of first bearing of holding body; The second weight selecting arrangement is nested with in second cross bar and is connected second cross bar and near between some weight stacks of second bearing of holding body.

The described first weight selecting arrangement comprises being installed in to be held on the body and is available for users to first gear that is used for being rotated, and first tooth bar that is meshed with first gear, first tooth bar root a tree name weight selection marker at interval moves into the corresponding selected weighing body in balance weight body first limit; With

The second weight selecting arrangement comprises being installed in to be held on the body and is available for users to second gear that is used for being rotated, and second tooth bar that is meshed with second gear, second tooth bar root a tree name weight selection marker at interval moves into the corresponding selected weighing body in balance weight body second limit.

The opposite position of described each weight stack be provided with can be matched with the weight selecting arrangement open-work.

Described weight stack weight selection marker correspondence demonstrates weight stack and holds the corresponding separately weighing body that body combines and forms.

Described lever and lever both sides can be used for lifting putting and also are arranged with soft flexible sheath on the cross bar of holding body.

Described lever and lever both sides can be used for lifting putting on first cross bar of holding body, second cross bar and also are arranged with soft flexible sheath.

Be provided with trepanning on each end of first cross bar, second cross bar, first tooth bar, second tooth bar part respectively are nested with in the trepanning of first cross bar, second cross bar.

Be fixedly connected by connecting rod respectively between each weight stack that balancing weight first limit is superimposed and the corresponding weight stack that second limit is superimposed.

Described connecting rod comprises lateral connector bar, end connecting rod, two foundation connecting rods are fixedly connected between the bottom of the first limit weight stack and the corresponding second limit weight stack, and two lateral connector bar symmetries are connected between the sidepiece of the first limit weight stack and the corresponding second limit weight stack.

Described each end connecting rod that is connected between the first limit weight stack that is superimposed, the weight stack bottom, second limit, its length be lengthening successively from inside to outside, and the junction of Jia Chang each connecting rod and corresponding weight stack is moved outside gradually to both sides by the centre successively.

The described first limit weight stack that is superimposed, each lateral connector bar between the second limit weight stack sidepiece of being connected in, its length shorten from bottom to top successively, and the junction of each connecting rod and weight stack is moved on gradually by the both sides, bottom side.

Described each weight stack bottom is provided with recess, and each connecting rod termination, the end is fixedly connected on the correspondence position of recess.

Described tooth bar one end is made as latch, and gear top is provided with knob, and gear is seated in the gear grooved of bearing, and gear is provided with the garter spring that gear can be clamped on gear grooved.

The beneficial effects of the utility model are, because will solely establish the first limit weight stack, the second limit weight stack at dumbbell lever two ends originally respectively fuses, avoided the cover process of assembling in the both sides counterweight because of specification or the inconsistent difference of bringing of quantity, it is more even that dumbbell body weight power is distributed, and places more reliable; And because some groups first limit weight stacks have been constituted the balancing weight of changeable weight with being superimposed after the corresponding second limit weight stack fuses, only needing to hold body is inserted in balancing weight and passes through the knob swing pinion, the tooth bar that is promoted to be meshed with gear by gear moves, the set latch of tooth bar one end is inserted in the balancing weight, tooth bar moves to different positions, can mix the weight stack of varying number, reach the purpose of the counterweight of dumbbell being regulated by the weight selecting arrangement that constitutes by rack-and-pinion; And since the at interval set weight selection marker of tooth bar and weight stack superimposed accelerate corresponding, weight stack is superimposed accelerate corresponding with the set weight selection marker of weight stack, the weight selection marker that shows after tooth bar is moved is consistent with the selected weight stack quantity of this weight selection marker, so both can regulate the counterweight of holding the body both sides exactly, can not cause the adjusting mistake of both sides weight, can select suitable weight according to the weight selection marker again, to adapt to all ages and classes layer or the different training stage use needs different to loading weight, it is very convenient to make dumbbell weight regulate, fast; And owing to the docked mode of holding between body and the balancing weight, adopted end connecting rod restriction balancing weight to move with respect to holding on the body, lateral connector bar restriction balancing weight is with respect to two side shiftings of holding body, being located at the weight selecting arrangement held on the body bearing is undertaken matchedly limiting balancing weight with respect to moving of holding body by the open-work that is set in weight stack, and then realize holding connecting mutually of body and balancing weight, make balancing weight and hold connecting firm more, safety and make things convenient between the body.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail; But the dumbbell of a kind of adjustable weight of the present utility model is not limited to embodiment.

Fig. 1 is a front view of the present utility model;

Fig. 2 is a vertical view of the present utility model;

Fig. 3 is a left view of the present utility model;

Fig. 4 is a structural representation of holding body (tooth bar is installed) of the present utility model;

Fig. 5 is a structural representation of holding body of the present utility model;

Fig. 6 is the structural representation one of bearing of the present utility model;

Fig. 7 is along A-A line cut-away view among Fig. 6;

Fig. 8 is the structural representation two of bearing of the present utility model;

Fig. 9 is along B-B line cut-away view among Fig. 8;

Figure 10 is the structural representation of cross bar of the present utility model;

Figure 11 is weight stack of the present utility model (one's) a structural representation;

Figure 12 is weight stack of the present utility model (twos') a structural representation;

Figure 13 is weight stack of the present utility model (threes') a structural representation;

Figure 14 is the structural representation of tooth bar of the present utility model;

Figure 15 is the structural representation of gear of the present utility model.

The specific embodiment

Shown in accompanying drawing, the dumbbell of a kind of adjustable weight of the present utility model, it comprises:

A balance weight body 2 of holding a body 1 and a changeable weight.

Hold lever 13 that body 1 includes 11,12, available grasped of bearing, can be with holding the

weight selecting arrangement

31,32 that body mentions and showing that weight selects the weight selection marker 41,42 of numerical value; Bearing is divided into first bearing 11 and second bearing 12, and lever 13 is connected between the bearing 11 and second bearing 12; The weight selecting arrangement is divided into the first weight selecting arrangement 31 and the second weight selecting arrangement, 32, the first weight selecting arrangements 31 are located on first bearing 11, and the second weight selecting arrangement 32 is located on second bearing 12; The weight selection marker 41 that shows weight selection numerical value is located on first bearing 11, be used to show balance weight body 2 parts of holding body 1 first limit and hold the body 1 formed weight that combines, show that weight selects the weight selection marker 42 of numerical value to be located on second bearing 12, be used to show balance weight body 2 parts of holding body 1 second limit and hold the body 1 formed weight that combines; Between first bearing 11 and second bearing 12, also be connected with plurality of cross bars, wherein first cross bar 15, second cross bar 16 are connected between the top of first bearing 11 and second bearing 12, and be divided into the both sides of lever 13, first cross bar 15, second cross bar 16 can be used for lifting putting holds body or dumbbell, and two sheer poles 14 are to be connected between the bottom of first bearing 11 and second bearing 12, and are divided into the both sides of lever 13; Can be used for lifting putting on first cross bar 15 of holding body, second cross bar 16 in lever 11 and lever both sides and also be arranged with soft flexible sheath, as rubber sleeve etc.

First tooth bar 312 that the first weight selecting arrangement 31 includes first gear 311 and is meshed with first gear, one end of first tooth bar 312 is made as latch, first gear, 311 tops are provided with knob 3111, first gear 311 is provided with the garter spring 3112 that gear can be clamped on gear grooved 111, gear grooved 111 is provided in a side of on first bearing 11, the top of first bearing 11 also is provided with a rack bore 112, gear grooved 111 communicates with rack bore 112, first gear 311 is to be seated in the gear grooved 111, and first tooth bar 312 is to be seated in the rack bore 112, first gear 311 is stuck in gear grooved 111 and can guarantees that first gear 311 rotates in gear grooved 111 by garter spring 3112, the gear teeth of first gear 311 are meshed with first tooth bar 312, the rotation of first gear 311 can drive first tooth bar 312 and move in rack bore 112, on first cross bar 15, the part that itself and first bearing, 11 joining ends are provided with trepanning 151, the first tooth bars 312 is nested with in the trepanning 151 of first cross bar 15; Second tooth bar 322 that the second weight selecting arrangement 32 includes second gear and is meshed with second gear, one end of second tooth bar 322 is made as latch, the second gear top is provided with knob, second gear is provided with the garter spring that gear can be clamped on gear grooved, gear grooved is provided in a side of on second bearing 12, the top of second bearing 12 also is provided with a rack bore, gear grooved is corresponding with rack bore to communicate, second gear is to be seated in the gear grooved, and second tooth bar 322 is to be seated in the rack bore, second gear is stuck in gear grooved and can guarantees that second gear rotates in gear grooved by garter spring, the gear teeth of second gear are meshed with second tooth bar, the rotation of second gear can drive second tooth bar 322 and move in rack bore, on second cross bar 16, itself and second bearing, 12 joining ends are provided with trepanning, and the part of second tooth bar 322 is nested with in the trepanning of second cross bar 16.

The balance weight body 2 of changeable weight by some groups longitudinally the

superimposed weight stack

21,22 of symmetric arrays constitute, some weight stacks 21 are located at first limit of holding body 1, some weight stacks 22 are located at second limit of holding body 1; Be equipped with on each weight stack 21 or the weight stack 22 can with the first weight selecting arrangement 31 or the matched open-work 211 of the second weight selecting arrangement 32; Be fixedly connected by connecting rod between the first limit weight stack 21 and the corresponding second limit weight stack 22, connecting rod comprises two lateral connector bars 23, two foundation connecting rods 24, two foundation connecting rods 24 are fixedly connected between the bottom of the first limit weight stack 21 and the corresponding second limit weight stack 22, and two lateral connector bar 23 symmetries are connected between the corresponding sidepiece of the first limit weight stack 21 and the corresponding second limit weight stack 22; Be connected in each end connecting rod 24 between the bottom of the first limit weight stack 21 that is superimposed and the corresponding second limit weight stack 22, its length is lengthening successively from inside to outside, and the junction of Jia Chang each connecting rod 24 and

corresponding weight stack

21,22 is moved outside gradually to both sides by the centre successively; Be connected in each lateral connector bar 23 between the sidepiece of the first limit weight stack 21 that is superimposed and the corresponding second limit weight stack 22, its length shortens from bottom to top successively, and the junction of each connecting rod 23 and

weight stack

21,22 is moved on gradually by the both sides, bottom side; Bottom at the first limit weight stack 21, the second limit weight stack 22 also is provided with recess 212, and each end connecting rod 24 termination is fixedly connected on the correspondence position of recess 212.

On first tooth bar 312 and second tooth bar 322, all indicate counterweight sign 30 at interval, when first tooth bar 312 is mobile in first bearing 11, counterweight sign 30 peep holes 301 by first bearing 11 that are provided with on it demonstrate different weight numerical value, have constituted the weight selection marker 41 that shows weight selection numerical value for this reason; When second tooth bar 322 was mobile in second bearing 12, counterweight sign 30 peep holes by second bearing 12 that are provided with on it demonstrated different weight numerical value, have constituted the weight selection marker 42 that shows weight selection numerical value for this reason; On the some first limit weight stack 21 or the second limit weight stack 22, its superimposed diverse location in body 1 both sides that is in one's hands of root a tree name, mark has the weight selection marker 20 of different numerical value, and weight selection marker 20 correspondences demonstrate

weight stack

21,22 and hold the corresponding separately weighing body that body 1 combines and forms; 312 a tree name weight of first tooth bar selection marker 41 at interval move into the corresponding selected weighing body in balance weight body first limit, its selected weighing body is in harmony for comprising selected edge weight stack 21 near the some weight stacks 21 of holding body 1, and the weight selection marker 20 that selected edge weight stack 21 is indicated is presented at peep hole 301 with the counterweight sign 30 of first tooth bar 312 and the weight interval selection marker 41 that forms is consistent; 322 a tree name weight of second tooth bar selection marker 42 at interval move into the corresponding selected weighing body in balance weight body second limit, its selected weighing body is in harmony for comprising selected edge weight stack 22 near the some weight stacks 22 of holding body 1, and the weight selection marker 20 that selected edge weight stack 22 is indicated is presented at peep hole 301 with the counterweight sign 30 of second tooth bar 322 and the weight interval selection marker 42 that forms is consistent.

In actual use, the assembling of holding body 1 is earlier the first weight selecting arrangement 31 and the second weight selecting arrangement 32 to be contained in respectively on first bearing 11, second bearing 12, first gear 311 of the first weight selecting arrangement 31 is seated in the gear grooved 111, first tooth bar 312 is placed in the rack bore 112, and first tooth bar 312 is meshed with first gear 311, first gear 311 utilizes its garter spring 3112 and cooperates hoodle to be clamped in the gear grooved 111, and the gear grooved of putting into behind first gear 311 111 is covered by cover plate; Second gear of the second weight selecting arrangement 32 is identical with the first weight selecting arrangement, 31 attaching modes with the attaching mode of second tooth bar 322; The trepanning 151 and first tooth bar 312 of first cross bar 15 are nested, and first cross bar 15 is connected between first bearing 11 and second bearing 12, the attaching mode of second cross bar 16 is identical with the attaching mode of first cross bar 15; Then lever 11 and two sheer poles 14 are connected to a fixed with first bearing 11, second bearing 12 respectively, its connected mode is to adopt screw to fix; So far, constituted a complete body 1 of holding, this is held body 1 and also can use as a dumbbell separately, is equivalent to the dumbbell of light weight.

In fact the assembling of balancing weight 2 is exactly the attaching between the first limit weight stack 21 and the corresponding second limit weight stack 22, with the first limit weight stack 21 and two lateral connector bars 23 of the corresponding second limit weight stack, 22 usefulness, two foundation connecting rods 24 are connected, its connected mode is respectively with lateral connector bar 23, the termination of end connecting rod 24 is welded on weight stack 21, the bottom of weight stack 22 and sidepiece, and the lengthening successively from inside to outside of each end connecting rod 24 its length after superimposed, the link position of Jia Chang each connecting rod 24 and corresponding weight stack 21 or weight stack 22 is moved (as Figure 11 outside gradually to both sides by the centre successively, Figure 12, shown in Figure 13); Each lateral connector bar 23 its length after superimposed shorten from bottom to top successively, and the link position of each connecting rod 23 and weight stack 21 or weight stack 22 moves (as Figure 11, Figure 12, shown in Figure 13) by the both sides, bottom side on gradually; Weight stack 21, weight stack 22 that each group is connected are stacked together and promptly constitute balancing weight 2.Be nested with on the balancing weight 2 that the some weight stacks 21 that are superimposed by both sides, some weight stacks 22 are formed holding body 1, with holding on the open-work 211 that the first weight selecting arrangement 31 on the body 1 and the second weight selecting arrangement 32 remove the first limit weight stack 21 that sleeve is superimposed and the second limit weight stack 22 respectively, can become a dumbbell.

When needs are regulated the weight of dumbbell, rotate first gear 311 of the first weight selecting arrangement 31, make first tooth bar 312 move into the open-work 211 of some weight stacks 21 that first limit stacks, the weight of required selection can be selected according to the sign of the counterweight on first tooth bar 312 30, counterweight sign 30 on first tooth bar 312 is made as 5 successively, 10,15,20,25,30,35,40 numerical value such as grade, first tooth bar 312 outwards moves along holding body 1, then numerical value increases successively, the also corresponding increase of its weight, otherwise, first tooth bar 312 moves inward along holding body 1, then numerical value diminishes successively, the also corresponding minimizing of its weight, and some weight stacks 21 that first limit stacks are by close to the corresponding increase of its weight numerical value sign far away mutually with first bearing 11, except that first bearing 11 is provided with the numerical value 5, its remainder values 10,15,20,25,30,35,40 are indicated in respectively on the weight stack 21 that is superimposed from inside to outside, the weight of seeing at peep hole 301 as the user is at interval during selection marker 41, its numerical value is just in time consistent with the sign numerical value on the outermost weight stack 21 of selected counterweight part, this moment first tooth bar 312 just in time be set on this weight stack 21 and the open-work 211 of other weight stack 21 of inwardly being superimposed in, in the time will gaining in weight, rotating first gear 311 makes first tooth bar 312 continue outwards to move, then weight stack 21 quantity that wear of first tooth bar 312 increase, and the weight of dumbbell also increases; In the time will reducing weight, opposite spin first gear 311 moves inward first tooth bar 312, and then weight stack 21 quantity that wear of first tooth bar 312 reduce, and then the weight of dumbbell also reduces; By mode same as described above, rotate second gear of the second weight selecting arrangement 32, make second tooth bar 322 move into the open-work 211 of some weight stacks 22 that first limit stacks, the weight that then can regulate balance weight body 2 second limits equally; Like this by first tooth bar 312 and weight stack 21 combine and second tooth bar 322 can be selected required weight easily with combining of weight stack 22, the weight of dumbbell can be regulated.

Claims

1. the dumbbell of an adjustable weight, it is characterized in that: it comprises:

Hold body for one, hold body it include bearing, lever, can be with holding the weight selecting arrangement that body mentions and showing that weight selects the weight selection marker of numerical value; With

2. the dumbbell of the described a kind of adjustable weight of root a tree name claim 1, it is characterized in that: described weight selecting arrangement includes to be installed in and holds on the body and be available for users to the gear that is used for being rotated, and the tooth bar that is meshed with gear, tooth bar root a tree name weight selection marker at interval moves into the corresponding selected weighing body of balance weight body.

3. the dumbbell of the described a kind of adjustable weight of root a tree name claim 1 is characterized in that: set corresponding a be configured to open-work matched with the weight selecting arrangement on described each weight stack.

4. the dumbbell of the described a kind of adjustable weight of root a tree name claim 2 is characterized in that: set corresponding a be configured to open-work matched with the weight selecting arrangement on described each weight stack.

5. the dumbbell of the described a kind of adjustable weight of root a tree name claim 1, it is characterized in that: described holding includes some cross bars that support bearing on the body.

6. the dumbbell of the described a kind of adjustable weight of root a tree name claim 2, it is characterized in that: described holding includes some cross bars that support bearing on the body.

7. the dumbbell of the described a kind of adjustable weight of root a tree name claim 5, it is characterized in that: described weight selecting arrangement comprises the first weight selecting arrangement and the second weight selecting arrangement, and the first weight selecting arrangement is nested with in first cross bar and is connected first cross bar and near between some weight stacks of first bearing of holding body; The second weight selecting arrangement is nested with in second cross bar and is connected second cross bar and near between some weight stacks of second bearing of holding body.

8. the dumbbell of the described a kind of adjustable weight of root a tree name claim 7, it is characterized in that: the described first weight selecting arrangement comprises being installed in to be held on the body and is available for users to first gear that is used for being rotated, and first tooth bar that is meshed with first gear, first tooth bar root a tree name weight selection marker at interval moves into the corresponding selected weighing body in balance weight body first limit; With

9. the dumbbell of the described a kind of adjustable weight of root a tree name claim 8 is characterized in that: the opposite position of described each weight stack be provided with can be matched with the weight selecting arrangement open-work.

10. the dumbbell of the described a kind of adjustable weight of root a tree name claim 1 is characterized in that: described weight stack weight selection marker correspondence demonstrates weight stack and holds the corresponding separately weighing body that body combines and forms.

11. the dumbbell of the described a kind of adjustable weight of root a tree name claim 2 is characterized in that: described weight stack weight selection marker correspondence demonstrates weight stack and holds the corresponding separately weighing body that body combines and forms.

12. the dumbbell of the described a kind of adjustable weight of root a tree name claim 7 is characterized in that: described weight stack weight selection marker correspondence demonstrates weight stack and holds the corresponding separately weighing body that body combines and forms.

13. the dumbbell of the described a kind of adjustable weight of root a tree name claim 8 is characterized in that: described weight stack weight selection marker correspondence demonstrates weight stack and holds the corresponding separately weighing body that body combines and forms.

14. the dumbbell of the described a kind of adjustable weight of root a tree name claim 5 is characterized in that: described lever and lever both sides can be used for lifting putting and also are arranged with soft flexible sheath on the cross bar of holding body.

15. the dumbbell of the described a kind of adjustable weight of root a tree name claim 7 is characterized in that: described lever and lever both sides can be used for lifting putting on first cross bar of holding body, second cross bar and also are arranged with soft flexible sheath.

16. the dumbbell of the described a kind of adjustable weight of root a tree name claim 8 is characterized in that: described lever and lever both sides can be used for lifting putting on first cross bar of holding body, second cross bar and also are arranged with soft flexible sheath.