CN205516256U - Concentric drum - Google Patents

Concentric drum Download PDF

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Publication number
CN205516256U
CN205516256U CN201620050635.7U CN201620050635U CN205516256U CN 205516256 U CN205516256 U CN 205516256U CN 201620050635 U CN201620050635 U CN 201620050635U CN 205516256 U CN205516256 U CN 205516256U
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China
Prior art keywords
cydariform
sidewall
reinforcing plate
drum
heart
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CN201620050635.7U
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Chinese (zh)
Inventor
王�华
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Beijing Ruichi Feiyang Extension Device Co Ltd
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Beijing Ruichi Feiyang Extension Device Co Ltd
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Priority to CN201620050635.7U priority Critical patent/CN205516256U/en
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Abstract

The utility model discloses a concentric drum has solved the skin drum among the prior art when the concentric drum, the easy technical problem who damages in the position of pull ring, and its technical scheme main points are including cortex drum face and the upper and lower cydariform lateral wall that link up that is enclosed by wooden material, the drum face is installed on the last under shed of cydariform lateral wall, be equipped with the reinforcing plate in the cydariform lateral wall, evenly there are a plurality of pull rings that are used for connecting the rope on the circumferencial direction of cydariform lateral wall, the pull ring is worn to be fixed in on the reinforcing plate and stretch out the cydariform lateral wall has reached when improving concentric drum's incorruptibility, does not increase the technological effect of too much bulging body weight.

Description

A kind of drum with one heart
Technical field
This utility model relates to a kind of sports equipment, more specifically, it relates to a kind of outdoor activity equipment being applied to team training.
Background technology
It is similar to the common training project that the motion that two people's tripodias, tug-of-war and some collectives cooperated with one heart is many corporate training sense of community.Common denominators of these motions be need team in many people cooperate to obtain final result, thus, this kind of sports equipment has a wide range of applications in training, educational enterprise, and drum is the equipment that one of which is relatively conventional with one heart.The operation principle of drum with one heart: multiple draw ring will be installed equably on sustained height on the cydariform sidewall of traditional skin drum, corresponding to arranging a rope on each draw ring, the corresponding operator of each draw ring, when the operator of each draw ring can keep drum surface level when all the diametric(al) in the circular cross-section at draw ring place pulls rope, otherwise, whichsoever the force direction change of the operator of draw ring, all can cause the inclination of drum surface.Before training starts, a vollyball, tennis or bubble ball are positioned in drum surface by trainer, and everyone works as one man, and control each draw ring make drum surface try one's best holding level by involving rope, thus keep spheroid not land by controlling drum surface.
During the use of whole concentric drum, drum surface itself to be clashed into spheroid, and finally this impact force part is fallen by the elastic buffer of drum surface, and another part will be transferred to each draw ring.General drum with one heart is traditional skin drum transformation, and therefore, drum surface material is Corii Bovis seu Bubali, to ensure the elasticity of drum surface;The material of cydariform sidewall is wood materials, convenient to operate to obtain the drum with one heart of a light weight.And the position that arranges of the upper draw ring of drum is cydariform sidewall with one heart, and there is a need to punch on wooden cydariform sidewall to fix rope, such structure is bigger for the weakening of the structural strength of cydariform sidewall, after a period of time, cydariform sidewall i.e. can destroy with the connecting hole on cydariform sidewall for center of gravity, thus, it is necessary to improve the structure of cydariform sidewall, so that increasing the service life of drum with one heart.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide the position of a kind of light weight and installation rope to be not susceptible to a kind of drum with one heart destroyed.
1 for achieving the above object, this utility model provides following technical scheme: one is roused with one heart, including cortex drum surface and the cydariform sidewall of up/down perforation that surrounded by wood materials, described drum surface is arranged on the upper and lower opening of described cydariform sidewall, it is provided with reinforcing plate in described cydariform sidewall, uniformly having some draw rings for connecting rope on the circumferencial direction of described cydariform sidewall, described draw ring fastens in described reinforcing plate and stretches out described cydariform sidewall.
By using technique scheme, it is different from prior art the mode on cydariform sidewall that is directly fixed on by draw ring, inner ring at cydariform sidewall sets up one layer of reinforcing plate, and draw ring is fixed with reinforcing plate, so, when using concentric drum, pulling force suffered on draw ring directly acts on in reinforcing plate, and be transferred on cydariform sidewall with the contacting of inwall of cydariform sidewall by reinforcing plate, thus, the stress of cydariform sidewall is changed into whole internal face pressurized by the circular hole in originally any by pulling force, lifting surface area increases, the stressing conditions of local is substantially improved, thus, the drum with one heart having a structure in which is not susceptible to when standing pulling force destroy.Further, overall drum body is still based on the wooden cydariform sidewall of lightweight, and reinforcing plate is only assistant reinforcement, and therefore, the weight of overall drum with one heart will not increase many.
2 this utility model are further arranged to: described reinforcing plate is surrounded the tubular of the shape of the inwall adaptation of shape cydariform sidewall by metallic plate.
By using technique scheme, reinforcing plate is surrounded tubular lining with metallic plate and is located at cydariform interior, the power being then transferred to from draw ring is evenly distributed to cydariform sidewall by mutually the conflicting of inwall of the outer wall of the reinforcing plate of tubular with cydariform sidewall, such is provided with the stressing conditions beneficially improving whole cydariform sidewall.
3 this utility model are further arranged to: the inwall of described reinforcing plate and cydariform sidewall is fixed by glue-line.
By using technique scheme, clearer and more melodious in order to strengthen the drum sound when clashing into spheroid with one heart, cydariform sidewall typically uses poplar to make, thus reinforcing plate is firstly fixed on therewith together, it is possible to prevent draw ring to drive the poplar of reinforcing plate friction cydariform sidewall, it is ensured that the ruggedness of drum body.
4 this utility model are further arranged to: described draw ring includes the ring portion for fixing rope, wears the bar portion penetrated between described cydariform sidewall and reinforcing plate and be connected to the fixed part on the inner surface of described reinforcing plate.
Further, being additionally provided with pad between described bar portion and ring portion, the geometric center of described pad is provided with connecting hole, described ring portion is stretched out from described connecting hole and is butted on by described pad on the outer wall of described cydariform sidewall.
Further, described fixed part includes at least two anchoring claw, and described anchoring claw fixes described reinforcing plate and cydariform sidewall with described bar portion for center of gravity to surrounding bending.
Further, one it is mounted with in the annular of described ring portion for wearing the firm ring penetrating rope.
By using technique scheme, reinforcing plate increase be cydariform sidewall inwall and draw ring between bond strength, but, draw ring is butted on the wavelength-division on the outer wall of cydariform sidewall still to be needed fixing, to prevent its abrasion to cydariform sidewall outer wall of outer wall relative movement with cydariform sidewall.Further, utilize bar portion by the fixed relation of cydariform sidewall Yu reinforcing plate, be possible to prevent draw ring to drive the poplar of reinforcing plate friction cydariform sidewall, it is ensured that the ruggedness of drum body.
Accompanying drawing explanation
Fig. 1 is monnolithic case structural representation of the present utility model;
Fig. 2 is the structure sectional view in embodiment 1;
Fig. 3 is the structure sectional view in embodiment 2;
Fig. 4 is the partial view of draw ring and shim portions.
Accompanying drawing marks: 1, drum surface;2, cydariform sidewall;3, reinforcing plate;4, draw ring;5, pad;6, steel loop;41, ring portion;42, bar portion;43, fixed part;51, connecting hole.
Detailed description of the invention
It is described further referring to figs. 1 through Fig. 4 and 1 to 2 pair of this utility model of embodiment.
Embodiment 1
A kind of drum with one heart, as shown in Fig. 1 to Fig. 2, includes drum surface 1 and cydariform sidewall 2 that Corii Bovis seu Bubali is made, and cydariform sidewall 2 is enclosed the evagination cydariform set in up/down perforation by wood materials such as poplars, and drum surface 1 is closed at the upper and lower opening of cydariform sidewall 2.The draw ring 4 for connecting rope it is provided with on cydariform sidewall 2, the place of the power from rope is born on cydariform sidewall 2 owing to draw ring 4 location is, therefore, cydariform sidewall in this position is easiest to destroy, therefore, the inwall of cydariform sidewall 2 is provided with reinforcing plate 3, preferably, reinforcing plate 3 is made up of metal material, and the position corresponding to each draw ring 4 is provided with the reinforcing plate 3 of equal number.
As shown in Figure 4, draw ring 4 includes ring portion 41, bar portion 42 and fixed part 43, wherein: ring portion 41 stretches out cydariform sidewall 2, to be convenient to be fixed to rope rouse with one heart;Bar portion 42 is through cydariform sidewall 2 and reinforcing plate 3, and its length and cydariform sidewall 2 are suitable with the thickness sum of reinforcing plate 3;Fixed part 43 is fixed in reinforcing plate 3 and first the pulling force of rope is passed to reinforcing plate 3, contacting on the inwall that power is transferred to cydariform sidewall 2 through reinforcing plate 3 and cydariform sidewall 2.Anchoring claw after bar portion 42 passes cydariform sidewall 2 and reinforcing plate 3, can be bent so that it is end is opened to surrounding centered by bar portion 42 by the shape of fixed part 43 to make the form of two or more anchoring claws, thus fixing reinforcing plate 3 and cydariform sidewall 2.
In addition, as preferably, the pad 5 that stainless steel material is made it is provided with between the outer wall of ring portion 41 and cydariform sidewall 2, after draw ring 4 is relatively fixed with cydariform sidewall 2, pad 5 is closely attached on the outer wall of cydariform sidewall 2, and, the geometric center of pad 5 is provided with connecting hole 51, ring portion 41 is stretched out from connecting hole 51, and is pressed on the outer wall of cydariform sidewall 2 by pad 5.
Further, rope outside for convenience is fixed through ring portion 41 with drum body, is arranged with steel loop 6 in ring portion 41, and the size of its annular can be arranged according to the thickness of rope, further facilitates connection rope on draw ring 4.
Embodiment 2
As shown in Figure 1 and Figure 3, the reinforcing plate 3 being different from embodiment 1, reinforcing plate 3 in the present embodiment uses the steel plate of monoblock to enclose to set in tubular, and, as preferably, between the reinforcing plate 3 and cydariform sidewall 2 of tubular, it is provided with glue-line (not shown), for both tentatively being fixed, so ensure to be relatively fixed between the two and pull lower generation without external force again and relatively slide, cause the friction to wooden cydariform sidewall 2.
Remaining structure in the present embodiment is all identical with arranging in embodiment 1.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (7)

1. a concentric drum, including cortex drum surface and the cydariform sidewall of up/down perforation that surrounded by wood materials, described drum surface is arranged on the upper and lower opening of described cydariform sidewall, it is characterized in that: in described cydariform sidewall, be provided with reinforcing plate, uniformly having some draw rings for connecting rope on the circumferencial direction of described cydariform sidewall, described draw ring fastens in described reinforcing plate and stretches out described cydariform sidewall.
One the most according to claim 1 is roused with one heart, it is characterized in that: described reinforcing plate is surrounded the tubular of the shape of the inwall adaptation of shape cydariform sidewall by metallic plate.
One the most according to claim 1 and 2 is roused with one heart, it is characterized in that: the inwall of described reinforcing plate and cydariform sidewall is fixed by glue-line.
One the most according to claim 1 and 2 is roused with one heart, it is characterized in that: described draw ring includes the ring portion for fixing rope, wears the bar portion penetrated between described cydariform sidewall and reinforcing plate and be connected to the fixed part on the inner surface of described reinforcing plate.
One the most according to claim 4 is roused with one heart, it is characterized in that: between described bar portion and ring portion, be additionally provided with pad, being provided with connecting hole in the geometric center of described pad, described ring portion is stretched out from described connecting hole and is butted on by described pad on the outer wall of described cydariform sidewall.
6. according to a kind of drum with one heart described in claim 4 or 5, it is characterized in that: described fixed part includes at least two anchoring claw, described anchoring claw fixes described reinforcing plate and cydariform sidewall with described bar portion for center of gravity to surrounding bending.
One the most according to claim 6 is roused with one heart, it is characterized in that: be mounted with one in the annular of described ring portion for wearing the firm ring penetrating rope.
CN201620050635.7U 2016-01-19 2016-01-19 Concentric drum Active CN205516256U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620050635.7U CN205516256U (en) 2016-01-19 2016-01-19 Concentric drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620050635.7U CN205516256U (en) 2016-01-19 2016-01-19 Concentric drum

Publications (1)

Publication Number Publication Date
CN205516256U true CN205516256U (en) 2016-08-31

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Application Number Title Priority Date Filing Date
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CN (1) CN205516256U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107096201A (en) * 2015-07-15 2017-08-29 曾建民 A kind of athletic training apparatus of playing ball
CN110910704A (en) * 2019-12-06 2020-03-24 齐鲁工业大学 Training system for concentric drums

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107096201A (en) * 2015-07-15 2017-08-29 曾建民 A kind of athletic training apparatus of playing ball
CN110910704A (en) * 2019-12-06 2020-03-24 齐鲁工业大学 Training system for concentric drums
CN110910704B (en) * 2019-12-06 2020-10-09 齐鲁工业大学 Training system for concentric drums

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