CN210583481U

CN210583481U - Dumbbell piece

Info

Publication number: CN210583481U
Application number: CN201921391252.6U
Authority: CN
Inventors: 洪庄严
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-22
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a dumbbell piece, which comprises a balancing weight, a protective sleeve, a left baffle plate, a right baffle plate, a first shaft sleeve and a second shaft sleeve; the left and right blocking pieces comprise a left blocking piece and a right blocking piece which are respectively arranged at the left and right sides of the balancing weight, the center of the balancing weight is provided with a first through hole, and the centers of the left and right blocking pieces are respectively provided with a second through hole corresponding to the first through hole; the first shaft sleeve and the second shaft sleeve respectively penetrate through the second through hole and the first through hole and then are firmly installed, and the left and right blocking pieces and the balancing weight are tightly pressed together; the protective sleeve is sleeved on the balancing weight and the outer circumferences of the left and right retaining pieces. The utility model discloses simple structure, simple to operate, low in manufacturing cost.

Description

Dumbbell piece

Technical Field

The utility model belongs to the technical field of body-building apparatus, especially, relate to a dumbbell piece.

Background

Due to the increase of fast-paced life style and working pressure, people in sub-health state are increasing continuously, physical exercise is one of effective ways of strengthening physique, preventing diseases, adjusting psychology, entertaining and pleasuring body and mind and adapting to society of modern people, and has positive effects in modern social life. The dumbbell is a simple device for strengthening muscle strength training, has simple structure and small volume, is not limited by time and field, and can be used for physical exercise by people at any time. Dumbbells generally consist of a dumbbell rod and dumbbell pieces, wherein the dumbbell pieces are sleeved at two end parts of the dumbbell rod.

Currently, dumbbell discs are generally cast from steel or cast from cement in a hollow plastic housing. Dumbbell sheets cast from steel or poured with cement have a higher cost.

SUMMERY OF THE UTILITY MODEL

Based on the problem that the background art exists, the utility model aims to provide a dumbbell piece that mounting structure is simple, manufacturing cost is lower.

In order to achieve the purpose, the utility model provides a technical scheme does:

the utility model relates to a dumbbell piece, which comprises a balancing weight, a protective sleeve, a left baffle plate, a right baffle plate, a first shaft sleeve and a second shaft sleeve; the left and right blocking pieces comprise a left blocking piece and a right blocking piece which are respectively arranged at the left and right sides of the balancing weight, the center of the balancing weight is provided with a first through hole, and the centers of the left and right blocking pieces are respectively provided with a second through hole corresponding to the first through hole; the first shaft sleeve and the second shaft sleeve respectively penetrate through the second through hole and the first through hole and then are firmly installed, and the left and right blocking pieces and the balancing weight are tightly pressed together; the protective sleeve is sleeved on the balancing weight and the outer circumferences of the left and right retaining pieces.

Preferably, the first shaft sleeve comprises a first side plate and a first sleeve, the first side plate is sleeved on the side portion of the first sleeve, the outer diameter of the first sleeve is not larger than the aperture of the second through hole and the aperture of the first through hole, and the first side plate is tightly attached to the outer side surface of the right blocking piece; the second shaft sleeve comprises a second side plate and a second sleeve, the outer diameter of the second sleeve is not larger than the aperture of the second through hole and the aperture of the first through hole, the second side plate is sleeved on the side portion of the second sleeve, and the second side plate is tightly attached to the outer side face of the left blocking piece.

Preferably, be equipped with the recess that a plurality of set up along circumference on the internal surface of first sleeve, be equipped with a plurality of and recess complex bead on the surface of second sleeve, first sleeve and second sleeve pass through recess and bead joint.

Preferably, an internal thread is arranged on the inner surface of the first sleeve, an external thread is arranged on the outer surface of the second sleeve, and the external thread of the second sleeve is in threaded connection with the internal thread of the first sleeve.

Preferably, the balancing weight is disc-shaped, and the size of the side surface of the left and right blocking pieces is the same as that of the side surface of the balancing weight. The left and right baffle sheets shield the two side faces of the balancing weight, so that the balancing weight can be protected, and a certain decorative effect is achieved.

Preferably, the protective sheath include the lantern ring and be located the parcel piece of lantern ring both sides, the lantern ring cover establish on the outer circumference of balancing weight, the parcel piece parcel is on the outer circumference of controlling the separation blade. The protective sheath can protect balancing weight and control separation blade, also plays certain decorative effect simultaneously.

Preferably, the first side plate and the first sleeve are of an integrated structure.

Preferably, the second side plate and the second sleeve are of an integrated structure.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

1. the counterweight block in the utility model can be formed by pressing scrap iron or pressing and casting iron sand mixture or cement, thereby achieving the effect of waste utilization;

2. the utility model is surrounded by the blocking pieces at the two sides of the balancing weight, the outer circumference is wrapped by the protective sleeve, and the balancing weight is completely wrapped inside, thus the structure is simple and the installation is convenient;

3. the utility model discloses a separation blade and balancing weight are firm about two axle sleeves will get up, simple structure, simple to operate.

Drawings

FIG. 1 is an overall structure of the present invention;

fig. 2 is an exploded schematic view of the present invention;

FIG. 3 is a schematic structural view of a first bushing according to a first embodiment;

FIG. 4 is a schematic structural diagram of a second bushing according to the first embodiment;

fig. 5 is a schematic structural view of the protective cover of the present invention;

FIG. 6 is a schematic structural view of a first sleeve according to a second embodiment;

FIG. 7 is a schematic structural view of a second bushing according to the first embodiment;

description of the labels in the schematic:

1-a balancing weight; 2-protective sleeve; 3-a baffle plate; 4-a first sleeve; 5-a second shaft sleeve; 11-a first via; 21-a collar; 22-wrapping sheet; 31-a second via; 32-left baffle plate; 33-right baffle plate; 41-groove; 42-internal thread; 43-a first side panel; 44-a first sleeve; 51-a rib; 52-internal threads; 53-second side plate; 54-second sleeve.

Detailed Description

For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.

Example one

As shown in fig. 1 and fig. 2, the present embodiment relates to a dumbbell plate, which includes a weight block 1, a protective sleeve 2, left and right blocking pieces 3, a first shaft sleeve 4 and a second shaft sleeve 5; the left and right baffle plates 3 comprise a left baffle plate 32 and a right baffle plate 33 which are respectively arranged at the left and right sides of the balancing weight 1, the center of the balancing weight 1 is provided with a first through hole 11, and the centers of the left and right baffle plates 3 are respectively provided with a second through hole 31 corresponding to the first through hole 11; the first shaft sleeve 4 and the second shaft sleeve 5 respectively penetrate through the second through hole 31 and the first through hole 11 and then are firmly installed, and the left and right baffle plates 3 and the balancing weight 1 are tightly pressed together; the protective sleeve 2 is sleeved on the outer circumferences of the balancing weight 1 and the left and right retaining pieces 3.

The balancing weight can be formed by pressing scrap iron or casting iron sand mixture or pressing and casting cement, and the left and right retaining pieces can be iron pieces or plastic pieces.

As shown in fig. 3 and 4, the first sleeve 4 includes a first side plate 43 and a first sleeve 44, the first side plate 43 and the first sleeve 44 are of an integral structure, the first side plate 43 is sleeved on a side portion of the first sleeve 44, an outer diameter of the first sleeve 43 is not greater than an aperture of the second through hole 32 and the first through hole 11, and the first side plate 43 is tightly attached to an outer side surface of the right blocking piece 33; the second shaft sleeve 5 comprises a second side plate 53 and a second sleeve 54, and the second side plate 53 and the second sleeve 54 are of an integrated structure; the second side plate 53 is sleeved on the side portion of the second sleeve 54, the outer diameter of the second sleeve 54 is not larger than the aperture of the second through hole 32 and the aperture of the first through hole 11, and the second side plate 54 is tightly attached to the outer side surface of the left baffle 32.

Be equipped with the recess 41 that a plurality of set up along circumference on the internal surface of first sleeve 44, be equipped with a plurality of and recess complex rib 51 on the surface of second sleeve, first sleeve 44 and second sleeve 54 pass through recess 41 and rib 51 joint.

As shown in fig. 1 and 5, the weight member 1 is a disk, the lateral shape and size of the left and right blocking pieces 3 are the same as those of the weight member 1, and the left and right blocking pieces 3 block both lateral surfaces of the weight member 1. The protective sleeve 2 comprises a sleeve ring 21 and wrapping sheets 22 positioned on two sides of the sleeve ring 21; the lantern ring 21 is sleeved on the outer circumference of the balancing weight 1; the wrapping sheet 21 is wrapped around the outer circumference of the left and right blocking sheets 3.

The utility model discloses the assembly method of each subassembly is:

the method comprises the following steps: when preparing each component, for example, when producing 1.5kg of dumbbell pieces, the total weight of the left baffle plate 3 and the right baffle plate 3 is selected to be 0.1kg, the weight of the protective sleeve 2 is 0.35kg, and the total weight of the first shaft sleeve 4 and the second shaft sleeve 5 is 0.15kg, and 1.35kg of iron scraps are pressed into the balancing weight 1 with a disc-shaped structure.

Step two: the left and right blocking pieces 3 are respectively placed on two sides of the balancing weight 1, the first sleeve 44 of the first shaft sleeve 4 and the second sleeve 54 of the second shaft sleeve 5 respectively penetrate through the second through holes 31 of the left and right blocking pieces 3 from two sides of the balancing weight 1, in the first through hole 11 of the balancing weight 1, the groove 42 of the first shaft sleeve 4 and the outer convex ridge 52 of the second shaft sleeve 5 are in matched clamping connection, and the first side plate 43 and the second side plate 53 are respectively pressed on the left and right blocking pieces 3 so as to fix the left and right blocking pieces 3 and the balancing weight 1 together.

Step three: the protective sleeve 2 is sleeved on the circumference direction of the balancing weight 1, and the wrapping sheet 22 of the protective sleeve 2 wraps the outer edge of the separation blade 3 and the edge of the balancing weight 1 to complete the assembly. The sheathing method of the protective sheath 2 can be that the protective sheath is made into an unpackaged strip firstly, the strip is wound on the balancing weight 1, and then the two ends of the strip are sealed by adhesive to make the integral protective sheath; or putting the combination of the second step into a mould, and extruding the high-temperature plastic particles by a plastic extruder to form the protective sleeve.

Example two

Referring to fig. 2, 6 and 7, the first sleeve 44 and the second sleeve 54 of the present embodiment are different from the first embodiment and are identical to each other. In the embodiment, the inner surface of the first sleeve 44 is provided with the inner thread 42, the outer surface of the second sleeve 54 is provided with the outer thread 52, and the outer thread 52 of the second sleeve 54 is in threaded connection with the inner thread 42 of the first sleeve 44. This arrangement makes the connection between the first sleeve 4 and the second sleeve 5 more secure.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is merely an embodiment of the present invention, and the actual structure is not limited thereto. Therefore, those skilled in the art should understand that they can easily and effectively implement the present invention without departing from the spirit and scope of the present invention.

Claims

1. A dumbbell sheet, characterized in that: the device comprises a balancing weight, a protective sleeve, a left baffle plate, a right baffle plate, a first shaft sleeve and a second shaft sleeve; the left and right blocking pieces comprise a left blocking piece and a right blocking piece which are respectively arranged at the left and right sides of the balancing weight, the center of the balancing weight is provided with a first through hole, and the centers of the left and right blocking pieces are respectively provided with a second through hole corresponding to the first through hole; the first shaft sleeve and the second shaft sleeve respectively penetrate through the second through hole and the first through hole and then are firmly installed, and the left and right blocking pieces and the balancing weight are tightly pressed together; the protective sleeve is sleeved on the balancing weight and the outer circumferences of the left and right retaining pieces.

2. The dumbbell sheet of claim 1, wherein: the first shaft sleeve comprises a first side plate and a first sleeve, the first side plate is sleeved on the side portion of the first sleeve, the outer diameter of the first sleeve is not larger than the aperture of the second through hole and the aperture of the first through hole, and the first side plate is tightly attached to the outer side face of the right blocking piece; the second shaft sleeve comprises a second side plate and a second sleeve, the outer diameter of the second sleeve is not larger than the aperture of the second through hole and the aperture of the first through hole, the second side plate is sleeved on the side portion of the second sleeve, and the second side plate is tightly attached to the outer side face of the left blocking piece.

3. The dumbbell sheet of claim 2, wherein: the inner surface of the first sleeve is provided with a plurality of grooves arranged along the circumferential direction, the outer surface of the second sleeve is provided with a plurality of ribs matched with the grooves, and the first sleeve and the second sleeve are connected in a clamping mode through the grooves and the ribs.

4. The dumbbell sheet of claim 2, wherein: the inner surface of the first sleeve is provided with an internal thread, the outer surface of the second sleeve is provided with an external thread, and the external thread of the second sleeve is in threaded connection with the internal thread of the first sleeve.

5. The dumbbell sheet of claim 1, wherein: the balancing weight is disc-shaped, and the shape and size of the side surface of the left and right baffle plates are the same as those of the side surface of the balancing weight.

6. The dumbbell sheet of claim 1, wherein: the protective sheath include the lantern ring and be located the parcel piece of lantern ring both sides, the lantern ring cover establish on the outer circumference of balancing weight, the parcel piece parcel is on the outer circumference of controlling the separation blade.

7. The dumbbell sheet of claim 2, wherein: the first side plate and the first sleeve are of an integrated structure.

8. The dumbbell sheet of claim 2, wherein: the second side plate and the second sleeve are of an integrated structure.