CN2673445Y - Dumpbell - Google Patents

Abstract

The utility model discloses a body-building dumbbell, comprising two dumbbell heads and a handgrip connected with the two dumbbell heads; the dumbbell heads and the handgrip are made of hollow shells respectively; a port used for casting balance weight articles is provided near one side of the handgrip on each dumbbell head; the handgrip is a through hole whose both ends respectively pass through the casting port of one side of each dumbbell head to be inserted into the dumbbell head; concrete having iron sand is cast in the dumbbell head and the handgrip shell body. The dumbbell head is connected with the handgrip by the concrete setting, which not only can effectively save the metallic material, but also the body-building dumbbell has the advantages such as high strength, firm balance weight article, simple manufacturing process and low producing cost.

Description

A kind of dumbbell

Technical field

The utility model relates to a kind of body-building dumbbell, and more particularly, it relates to a kind of bell head and handle is a hollow-core construction, has filled up the dumbbell of mass at bell head and intracavity of handle.

Background technology

Understand according to the inventor, dumbbell product category in the market is more, its bell head and handle arrangement type are existing solid, and hollow configuration filler is also arranged, and mostly is metal material and makes.Bell head and handle forge or are cast as solid construction usually, or integrally welded, for attractive in appearance and feel is good, have in nonmetallic materials such as the surface of bell head and handle thereof parcel one deck plastics or rubber.The dumbbell that the solid metal material is made mostly is casting or forges and forms, and the metal material consumption is big, and not only production cost is higher, and surface quality is also relatively poor.China's its bell head of utility model patent 00254979.4 disclosed dumbbell be welded into the interfix connection and wrap up one deck plastics or rubber forms of different severals piece housings after handle all adopts sheet metal to roll in its appearance, its purpose mainly is to reduce dumbbell metal consumption and production cost, but its bell head still needs welding processing with connecting of handle, because of not having mass in its handle, so it is moving to avoid mass to go here and there in the dumbbell use also to need to be provided with seal face between bell head and the handle.

Summary of the invention

Use the shortcoming that amount of metal is big, mass is unfixing, manufacturing cost is high in order to overcome existing dumbbell, the utility model provides a kind of manufacture method dumbbell simple, practical, elegant in appearance.

The utility model is achieved by the following technical programs:

Dumbbell of the present utility model comprises two bell heads and connects the handle of two bell heads, bell head and handle are made by hollow shell respectively, have a port that is used to pour into a mould mass in each bell head rest handle one side, handle is a through hole, insert in the bell head at its two ends cast port by the first side of described each bell respectively, has the concrete of iron sand at described bell head and handle case internal casting.

Described bell head and handle are made by metal material; Described bell head and handle are made of plastics; Described bell head and handle are made by rubber; Described handle two ends have at least one notch.

Compared with prior art, the beneficial effects of the utility model are: (1) intensity is good.After adding man-hour owing to concrete gravity effect, making the concrete setting in the bell head, interior surface thereof has all been filled up, even when the outer surface of bell head bumps, also bruise mark can not occur.(2) firm.Because bell head inside has been inserted at the handle two ends of dumbbell of the present utility model, combine together after the concrete setting in concrete in the handle and the bell head, make firm being embedded in the interior concrete of bell head of handle, so dumbbell does not in use have the moving even obscission of mass string.(3) production cost is low.Producing the used material of the utility model all can buy on market, price is low, process equipment only needs mini-plants such as common driller and metal cutter, simple special fixture, adopt welding method to compare with handle of the prior art with the connecting mode of bell head, the mass that the utility model adopted has been simplified connecting process greatly and has been reduced production cost as the medium that connects of handle with the bell head.

Description of drawings

Fig. 1 is a kind of embodiment of the present utility model.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

As shown in Figure 1, dumbbell of the present utility model comprises two bell heads 1 and a handle 2, the concrete 3 that contains iron sand is arranged as mass in described bell head 1 and handle 2.Before cast concrete, on two bell heads 1, process a sprue gate respectively, the big I of the size of bell head 1 and cast bore is chosen according to the different size of dumbbell, notice that its center, sprue gate should be consistent with the dumbbell center, different size according to dumbbell, the handle 2 of selecting length and bore and bell head 1 to be complementary mixes iron sand, cement, sandstone, water by a certain percentage, makes concrete 3.A bell head 1 is fixing, and the sprue gate is upwards inserted concrete 3 in the described bell head 1, (available little rod is slotting several inwards down, make it to fill up), again an end of handle 2 is inserted in the concrete 3 in the described bell 1, and make it to contact with bell head 1 bottom, inject concrete 3 from the other end of handle 2, but do not fill with, reserve certain space, clean the unnecessary mortar in surface, keep a few hours, till concrete 3 solidifies.Then that another bell head 1 is fixing, the sprue gate upwards, concrete 3 is filled up bell head 1, and the bell head 1 and the handle 2 bell heads 1 that will be set in more together make progress, and handle 2 is downward, insert in another bell head 1, make it to contact, clean the unnecessary mortar in surface, treat to get final product after concrete 3 solidifies with bell head 1 bottom, according to said method can produce the another dumbbell, make it paired use.

For the handle 2 that makes the new dumbbell of this practicality combines more closely, firmly with concrete 3, can offer at least one notch respectively at handle 2 two ends, the shape of notch can be shapes such as triangle, rectangle; Except that the bell head 1 and handle 2 that adopt metal, according to actual needs, dumbbell of the present utility model can also adopt plastics or rubber to make; Multiple different cross section shapes such as that the bell head 1 of dumbbell also can be done as required is circular, foursquare, rectangle, polygon.

Claims (5)

1 one kinds of dumbbells, the handle that comprises two bell heads and two bell heads of connection, bell head and handle are made by hollow shell respectively, it is characterized in that having a port that is used to pour into a mould mass in each bell head rest handle one side, handle is a through hole, insert in the bell head at its two ends cast port by the first side of described each bell respectively, has the concrete of iron sand at described bell head and handle case internal casting.

2 dumbbells according to claim 1 is characterized in that described bell head and handle made by metal material.

3 dumbbells according to claim 1 is characterized in that described bell head and handle are made of plastics.

4 dumbbells according to claim 1 is characterized in that described bell head and handle made by rubber.

5 according to claim 1 or 2 or 3 or 4 described dumbbells, it is characterized in that described handle two ends have at least one notch.