CN2207853Y

CN2207853Y - Internal adjusting variable weight dumb-bell

Info

Publication number: CN2207853Y
Application number: CN 94217079
Authority: CN
Inventors: 牟永松; 牟永利
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-07-21
Filing date: 1994-07-21
Publication date: 1995-09-20
Anticipated expiration: 2004-07-21

Abstract

The utility model relates to an internal-regulation type weight-adjusting dumbbell which is mainly composed of a left part 1 of the dumbbell, a handle 3 and a right part 5 of the dumbbell, wherein, the left and the right parts of the dumbbell are hollow bodies, and one side of the hollow bodies is provided with an opening with outer screw threads; the handle 3 is a hollow body, and both sides of the handle are provided with openings with inner screw threads; the opening ends of the left and the right parts of the dumbbell are respectively provided with a sealing cover 2 and a sealing cover 4, and both ends of the handle are connected with the left and the right parts of the dumbbell through the screw threads; decline prevention rings 7, 8 are respectively arranged in ring-shaped slots 6 on the outer round surface of the left and the right parts of the dumbbell. The utility model not only has the advantages of adjustable weight, convenient use for persons of different constitutions and convenient carrying for outing and travelling but also has the advantages that the functions of decline prevention and protection can be obtained, and the utility model can be used as a sand hammer when the right part 5 of the dumbbell is removed.

Description

Internal adjusting variable weight dumb-bell

The utility model relates to a kind of sports goods, is a kind of interior adjustable dumbbell of mode weight specifically.

Dumbbell is the widely used a kind of sports requsites of people, and it is that a kind of volume is little, low price, and collection is convenient, a kind of body-building apparatus sutable for men, women, and children.But present used dumbbell is metal and makes, and moulding is stiff, function singleness, and self is heavy, and inconvenience is carried.

It is adjustable that the purpose of this utility model provides a kind of weight, has dropproof protection, and can simulate husky hammer, sends graceful acoustic dumbbell.

The adjustable dumbbell of mode weight mainly was made up of left bell 1, handle 3, right bell 5 in the utility model was achieved in that.Left side bell 1, right bell 5 are ducted body, its opening, and opening part is shaped on external screw thread.Handle 3 is a ducted body, its two sides opening, and opening part all is shaped on internal thread.The opening part of left side bell 1 and right bell 5 is respectively equipped with seal cover 2 and seal cover 4.Two ends, handle 3 left and right sides link to each other with right bell 5 with left bell 1 by screw thread.

A left side bell 1 and right bell 5 can be made into the structure that has cannelure 6, and dropproof protection ring 7 of elasticity and protection ring 8 are contained in the cannelure 6 of left bell 1 and right bell 5 by self elasticity.

Material by the different specific weight of packing in the cavity of left side bell 1, right bell 5 and handle 3, or the same substance of the varying number of packing into is regulated the weight of dumbbell.The material that can pack into can be iron sand, lead button, sand and cereal equigranular, blocks of solid thing, also can be liquid substance.During use the filler of choosing is respectively charged in the cavity of the left and right bell of opening and handle, builds the seal cover of left and right bell, again the three is screwed with screw thread successively.

The utility model has the advantages that: weight is adjustable; Hollow dumbbell is convenient to go out, is travelled and carry; If, unload bottom right bell 5, then can work as husky hammer and use a small amount of sand of packing in the left bell 1.

Fig. 1 is one of the utility model embodiment;

Fig. 2 is two of the utility model embodiment.

Left side bell 1, right bell 5 and handle 3 can be made moulding with plastics, and also the available metal manufacturing is shaped.Dropproof

protection ring

7 and 8 can be made with rubber, also can make with plastics or rubber-plastics material.Seal cover 2 and seal cover 4 can be made of plastic, also can make with rubber.

Claims

1, a kind of interior adjustable dumbbell of mode weight mainly is made up of left bell (1), handle (3), right bell (5), it is characterized in that left bell (1), right bell (5) are ducted body, its opening, and opening part is processed with screw thread; Handle (3) is a ducted body, and two ends are shaped on the screw thread with left and right bell opening part threads engaged; Left and right bell openend is respectively equipped with seal cover (2) and seal cover (4); Handle (3) two ends, the left and right sides link to each other with right bell (5) with left bell (1) by screw thread.

2, by the described interior adjustable dumbbell of mode weight of claim 1, it is characterized in that being equipped with on left bell (1) and the left bell (5) dropproof protection ring (7) and protection ring (8); On the periphery of left side bell (1) and right bell (5) cannelure (6) is arranged respectively; Dropproof protection ring is contained in the cannelure (6) of left bell (1) and right bell (5) by self elasticity.