CN212854455U

CN212854455U - Dumbbell

Info

Publication number: CN212854455U
Application number: CN202021870810.XU
Authority: CN
Inventors: 吕锦华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-02
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a dumbbell, which comprises a handle, a first balancing weight and a second balancing weight, wherein the first balancing weight and the second balancing weight are arranged on the left side and the right side of the handle, and the inner diameters of the first balancing weight and the second balancing weight are sequentially increased and are sleeved; the second balancing weight is provided with a first through hole; the second balancing weight is sleeved with the first balancing weight; the first balancing weight is circumferentially provided with a first step; the first through hole forms a first stop ring; the first stop ring is abutted with the first step; the surface of the first balancing weight or the second balancing weight is provided with a movable limiting part; the free end of the movable limiting part is provided with a first clamping part; a second clamping piece is arranged on the surface of the corresponding second balancing weight or the surface of the corresponding first balancing weight; the free end of the movable limiting piece is abutted against the surface of the corresponding second balancing weight or the first balancing weight; the first clamping piece is matched and clamped with the second clamping piece. The utility model can increase or decrease the counter weight block radially, the whole length of the dumbbell is shortened, and the dumbbell is convenient to place; additionally, the utility model discloses counter weight simple structure, but batch production, low in production cost, but fast assembly simultaneously, convenient and practical.

Description

Dumbbell

Technical Field

The utility model relates to the technical field of sports fitness equipment, concretely relates to.

Background

Most of existing dumbbells are of a structure with a thread fixed balancing weight, when the balance weight is used, locking nuts are firstly detached from screw rods at two ends of a handle rod, then a balancing weight is detached or installed, and the locking nuts are screwed after the weight is adjusted, so that time and labor are wasted, and inconvenience is caused; in addition, because the screws at the two ends of the handle rod always protrude the counterweight plates, the dumbbell needs to be very careful when in use, so that collision and scraping are prevented, and the use safety performance is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the technical defect of the background art and providing a dumbbell. The utility model can increase or decrease the counter weight block radially, the whole length of the dumbbell is shortened, and the dumbbell is convenient to place; in addition, the counterweight block of the utility model has simple structure, can be produced in batches, can be processed quickly, has low production cost, can be assembled quickly, and is convenient and practical; furthermore, the utility model discloses the both ends of dumbbell handle do not have the screw rod of protrusion balancing weight, and the security that the dumbbell used has been improved to the emergence of reducible ground damage and avoiding personal accident.

The utility model provides an above-mentioned technical problem adopted technical scheme as follows:

a dumbbell comprises a handle, a first balancing weight and a second balancing weight, wherein the first balancing weight and the second balancing weight are arranged on the left side and the right side of the handle, and the inner diameters of the first balancing weight and the second balancing weight are sequentially increased and are in sleeve joint; the first balancing weight is connected with the end part of the handle in a matching way; a first through hole is formed in the second balancing weight; the second balancing weight is in matched sleeve joint with the first balancing weight through the first through hole; the first step is arranged on the surface of one side, away from the handle, of the first balancing weight in the circumferential direction; the tail end of one side, away from the handle, of the first through hole forms a first stop ring; the first stop ring abuts against the first step; a movable limiting part is arranged on the surface of one side, close to the handle, of the first balancing weight or the second balancing weight; the free end of the movable limiting part is provided with a first clamping part; a second clamping piece is arranged on the surface of one side, close to the handle, of the corresponding second balancing weight or the corresponding first balancing weight; the free end of the movable limiting part in the first balancing weight or the second balancing weight is abutted against the surface of one side, close to the handle, of the corresponding second balancing weight or the first balancing weight; the first clamping piece in the first balancing weight or the second balancing weight is in matched clamping connection with the second clamping piece in the second balancing weight or the first balancing weight.

The axial limiting of the second balancing weight can be realized through the abutting of the first stop ring and the first step and the abutting of the free end of the movable limiting part and the surface of the corresponding balancing weight; simultaneously, the radial limit of the second balancing weight can be realized through the clamping of the first clamping piece and the corresponding second clamping piece.

The counterweight block of the utility model has simple structure, can be produced in batches, can be processed quickly and has low production cost; meanwhile, the device can be assembled quickly, and is convenient and practical.

Furthermore, the surface of one side, close to the handle, of the second balancing weight is provided with the movable limiting part; the free end of the movable limiting part in the second balancing weight is provided with the first clamping part; the surface of one side, close to the handle, of the first balancing weight is provided with the second clamping piece; the free end of the movable limiting piece in the second balancing weight is abutted against the surface of one side, close to the handle, of the first balancing weight; the first clamping piece in the second balancing weight is matched and clamped with the second clamping piece in the first balancing weight.

Further, a third balancing weight is sleeved on the outer side of the second balancing weight in a matched mode; a second through hole is formed in the third balancing weight; the third balancing weight is in matched sleeve joint with the second balancing weight through the second through hole; the tail end of one side, away from the handle, of the second through hole forms a second stop ring; a second step is circumferentially arranged on the surface of one side, away from the handle, of the second balancing weight; the second stop ring abuts against the second step; the surface of one side, close to the handle, of the third balancing weight is provided with the movable limiting part; the free end of the movable limiting part in the third balancing weight is provided with the first clamping part; the surface of one side, close to the handle, of the second balancing weight is provided with the second clamping piece; the free end of the movable limiting piece in the third balancing weight is abutted against the surface of one side, close to the handle, of the second balancing weight; and the first clamping piece in the third balancing weight and the second clamping piece in the second balancing weight are in matched clamping connection.

The axial limiting of the third balancing weight can be realized through the abutting of the second stop ring and the second step and the abutting of the free end of the movable limiting part and the surface of the corresponding balancing weight; simultaneously, the radial limit of the third balancing weight can be realized through the clamping of the first clamping piece and the corresponding second clamping piece.

The third balancing weight can be used as a decorative block to be sleeved on the outer side of the second balancing weight, so that the dumbbell is more attractive integrally.

Furthermore, the first step and the first stopping ring and the second step and the second stopping ring are respectively provided with a gasket, so that the abrasion of the balancing weights can be reduced, and meanwhile, the balancing weights are more stably connected.

Further, the movable limiting part comprises a connecting sheet; one end of the connecting sheet is provided with a third through hole; the surfaces of the second balancing weight and the third balancing weight, which are close to one side of the handle, are respectively provided with a first sinking groove; and a screw penetrates through the third through hole and the first sinking groove, fixes one end of the connecting sheet and can rotate around the screw.

Furthermore, the upper end of the screw is smooth, and the lower end of the screw is provided with threads, so that the connecting piece can freely rotate.

Further, the first clamping piece comprises a clamping point arranged at the other end of the connecting piece.

Further, the second joint spare including set up in first balancing weight and the second balancing weight is close to the spacing groove on the surface of handle one side.

The first clamping piece is arranged to be a clamping point, and the second clamping piece is arranged to be a limiting groove, so that the clamping structure is simpler and more practical.

Furthermore, the limiting grooves are respectively arranged on the surfaces of the first balancing weight and the second balancing weight close to one side of the handle in an opposite manner; the connecting line of the first sinking groove and the center of the second balancing weight and the connecting line between the limiting grooves in the second balancing weight form a right angle.

Through setting up as above for there is more choices when stuck point and spacing groove joint, and is more convenient during the joint.

Further, one end of the connecting sheet is provided with a handle.

Furthermore, the handle is L-shaped, so that the movable limiting part can rotate conveniently.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model can increase or decrease the counter weight block radially, the whole length of the dumbbell is shortened, and the dumbbell is convenient to place;

(2) the counterweight block of the utility model has simple structure, can be produced in batches, can be processed quickly, has low production cost, can be assembled quickly, and is convenient and practical;

(3) the utility model discloses the both ends of dumbbell handle do not have the screw rod of protrusion balancing weight, and the emergence of reducible ground damage and avoiding personal accident has improved the security that the dumbbell used.

Drawings

Fig. 1 is a schematic structural view of a dumbbell according to embodiment 1 of the present invention;

FIG. 2 is a partial exploded view of the dumbbell of embodiment 1 of the present invention;

FIG. 3 is a partial exploded view of another angle of the dumbbell of embodiment 1 of this invention;

fig. 4 is a schematic structural view of one side of the first weight block of the dumbbell in embodiment 1 of the present invention;

fig. 5 is a schematic structural view of the other side of the first balancing weight of the dumbbell in embodiment 1 of the present invention;

fig. 6 is a schematic structural view of one side of a second weight block of the dumbbell in embodiment 1 of the present invention;

FIG. 7 is a schematic structural view of the other side of the second weight block of the dumbbell in embodiment 1 of the present invention

Fig. 8 is a schematic structural view of a third weight block of the dumbbell of embodiment 1 of the present invention;

fig. 9 is a schematic structural view of the top of the movable limiting member of the dumbbell according to embodiment 1 of the present invention;

fig. 10 is a schematic structural view of the bottom of the movable limiting part of the dumbbell according to embodiment 1 of the present invention.

The corresponding part names for the various reference numbers in the figures are:

1-a handle; 2-a first counterweight; 21-a first step; 22-a second sink; 3-a second balancing weight; 31-a first via; 32-a first stop ring; 33-a second step; 4-a movable limiting part; 41-a first snap-in member; 411-stuck point; 42-connecting pieces; 43-a third via; 44-a handle; 5-a second clamping piece; 51-a limiting groove; 6-a third balancing weight; 61-a second via; 62-a second stop ring; 7-a gasket; 8-a first sink; 9-annular groove.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings. It should be understood that these examples are for further illustration of the present invention only, and are not intended to limit the scope of the present invention. It should be further understood that after reading the above description of the present invention, those skilled in the art will make certain insubstantial changes or modifications to the present invention, and shall still fall within the scope of the present invention.

Example 1

A dumbbell, as shown in fig. 1-10, comprises a handle 1, and a first balancing weight 2 and a second balancing weight 3 which are arranged at the left side and the right side of the handle 1 and have sequentially increased inner diameters and are sleeved; the first balancing weight 2 is connected with the end part of the handle 1 in a matching way; the second balancing weight 3 is internally provided with first through holes 31 respectively; the second balancing weight 3 is in matched sleeve joint with the first balancing weight 2 through the first through hole 31; the first step 21 is arranged on the surface of one side, away from the handle 1, of the first balancing weight 2 in the circumferential direction; the end of the first through hole 31 far away from the handle 1 forms a first stop ring 32; the first stop ring 32 abuts the first step 21; a movable limiting part 4 is arranged on the surface of one side, close to the handle 1, of the first balancing weight 2 or the second balancing weight 3; the free end of the movable limiting part 4 is provided with a first clamping part 41; a second clamping piece 5 is arranged on the surface of one side, close to the handle 1, of the corresponding second balancing weight 3 or the corresponding first balancing weight 2; the free end of the movable limiting part 4 in the first balancing weight 2 or the second balancing weight 3 is abutted against the surface of one side, close to the handle 1, of the corresponding second balancing weight 3 or the first balancing weight 2; the first clamping piece 41 in the first balancing weight 2 or the second balancing weight 3 is in matched clamping connection with the second clamping piece 5 in the second balancing weight 3 or the first balancing weight 2.

A second sinking groove 22 is arranged in the first balancing weight 2; the first balancing weight 2 is matched, fixed and sleeved with the end part of the handle 1 through the second sinking groove 22.

The axial limiting of the second balancing weight 3 can be realized by the abutting of the first stop ring 32 and the first step 21 and the abutting of the free end of the movable limiting part 4 and the surface of the corresponding balancing weight; meanwhile, the first clamping piece 41 is clamped with the corresponding second clamping piece 5, so that radial limitation of the second balancing weight 3 can be realized.

This embodiment balancing weight simple structure, but batch production, rapid tooling, low in production cost, but fast assembly simultaneously, convenient and practical.

As shown in fig. 1 to 3, 9 and 10, the surface of the second weight block 3 close to one side of the handle 1 is provided with the movable limiting member 4; the free end of the movable limiting part 4 in the second balancing weight 3 is provided with the first clamping part 41; the surface of one side, close to the handle 1, of the first balancing weight 2 is provided with the second clamping piece 5; the free end of the movable limiting part 4 in the second balancing weight 3 is abutted against the surface of one side, close to the handle 1, of the first balancing weight 2; the first clamping piece 41 in the second balancing weight block 3 is in matched clamping connection with the second clamping piece 5 in the first balancing weight block 2.

As shown in fig. 8, the outer side of the second balancing weight 3 is sleeved with a third balancing weight 6; a second through hole 61 is formed in the third balancing weight 6; the third balancing weight 6 is in matched sleeve joint with the second balancing weight 3 through the second through hole 61; the end of the second through hole 61 far away from the handle 1 forms a second stop ring 62; as shown in fig. 6, a second step 33 is circumferentially arranged on the surface of the second balancing weight 3 on the side far away from the handle 1; the second stop ring 62 abuts the second step 33; as shown in fig. 1 to 3, 9 and 10, the surface of the third counterweight block 6 close to one side of the handle 1 is provided with the movable limiting member 4; the free end of the movable limiting part 4 in the third counterweight block 6 is provided with the first clamping part 41; the surface of one side, close to the handle 1, of the second balancing weight 3 is provided with the second clamping piece 5; the free end of the movable limiting part 4 in the third balancing weight 6 is abutted against the surface of one side, close to the handle 1, of the second balancing weight 3; and the first clamping piece 41 in the third balancing weight 6 is in matched clamping connection with the second clamping piece 5 in the second balancing weight 3.

The axial limiting of the third balancing weight 6 can be realized by the abutting of the second stop ring 62 and the second step 33 and the abutting of the free end of the movable limiting part 4 and the surface of the corresponding balancing weight; meanwhile, the third balancing weight 6 can be radially limited by the clamping of the first clamping piece 41 and the corresponding second clamping piece 5.

The third balancing weight 6 can be used as a decorative block to be sleeved on the outer side of the second balancing weight, so that the dumbbell is more attractive integrally.

As shown in fig. 1 to 3, the first weight member 2 is 1 piece, and has a weight of 3 kg; the second balancing weight 3 is 4 blocks, and 5kg, 7kg, 10kg and 15kg are respectively arranged from inside to outside; the third balancing weight 6 is 1 weight, and the weight is 20 kg.

As shown in fig. 2 and 3, the gaskets 7 are respectively disposed between the first step 21 and the first stop ring 32, and between the second step 33 and the second stop ring 62, so that the wear of the counter weights can be reduced, and the counter weights can be more stably connected.

As shown in fig. 9 and 10, the movable limiting member 4 includes a connecting piece 42; one end of the connecting sheet 42 is provided with a third through hole 43; the surfaces of the second balancing weight 3 and the third balancing weight 6 close to one side of the handle 1 are respectively provided with a first sinking groove 8; a screw (not shown) passes through the third through hole 43 and the first sinking groove 8, and one end of the connecting piece 42 is fixed and can rotate around the screw.

The movable limiting part 4 is made of manganese steel, has high strength and certain toughness, and is not easy to wear.

The screw (not shown) has a smooth upper end and a threaded lower end, so that the connecting piece 42 can rotate freely.

As shown in fig. 9 and 10, the first clip 41 includes a clip point 411 disposed at the other end of the connecting piece 42.

As shown in fig. 1 to 4 and 7, the second clamping member 5 includes a limiting groove 51 disposed on the surface of the first weight block 2 and the surface of the second weight block 3 near the handle 1.

The first clamping piece 41 is arranged to be the clamping point 411, and the second clamping piece 5 is arranged to be the limiting groove 51, so that the clamping structure is simpler and more practical.

As shown in fig. 1 to 4 and 7, the limiting grooves 51 are respectively disposed on the surfaces of the first balancing weight 2 and the second balancing weight 3 close to the handle 1 in an opposite manner; as shown in fig. 7, a connecting line between the first sinking groove 8 and the center of the second weight block 3 is perpendicular to a connecting line between the limiting grooves 51 in the second weight block 3.

Through the arrangement, the clamping point 411 and the limiting groove 51 are clamped more selectively, and clamping is more convenient.

As shown in fig. 9 and 10, a handle 44 is provided at one end of the connecting piece 42.

As shown in fig. 9 and 10, the handle 44 is L-shaped to facilitate the rotation of the movable position limiting member.

As shown in fig. 1 to 8, the side walls of the first weight block 2, the second weight block 3 and the third weight block 6 are provided with annular grooves 9, so that the dumbbell is more beautiful as a whole.

The dumbbell assembling method of the embodiment comprises the following steps:

firstly, a second balancing weight block 3 is sleeved into a first balancing weight block 2 along the direction from the outer side of a handle 1 to the inner side of the handle 1, the first balancing weight block 2 is fixedly connected with the handle 1 through a screw, then a movable limiting piece 4 on the second balancing weight block 3 is rotated, a clamping point 411 of the movable limiting piece is aligned to a limiting groove 51 of the first balancing weight block 2, and the assembly of the second balancing weight block 3 and the first balancing weight block 2 is completed; if necessary, the third weight block 6 can be further sleeved into the second weight block 3 along the direction from the outer side of the handle 1 to the inner side of the handle 1, and then the movable limiting member 4 on the third weight block 6 is rotated to align the fastening point 411 thereof with the limiting groove 51 of the second weight block 3, thereby completing the assembly of the third weight block 6 and the second weight block 3.

The above description is not intended to limit the present invention, and the present invention is not limited to the above examples. Those skilled in the art should also realize that changes, modifications, additions, or substitutions can be made without departing from the spirit and scope of the invention.

Claims

1. A dumbbell is characterized by comprising a handle (1), and a first balancing weight (2) and a second balancing weight (3) which are arranged on the left side and the right side of the handle (1) and have sequentially increased inner diameters and are sleeved with each other; the first balancing weight (2) is connected with the end part of the handle (1) in a matching way; a first through hole (31) is formed in the second balancing weight (3); the second balancing weight (3) is in matched sleeve joint with the first balancing weight (2) through the first through hole (31); the surface of one side, away from the handle (1), of the first balancing weight (2) is circumferentially provided with a first step (21); the tail end of one side, away from the handle (1), of the first through hole (31) forms a first stop ring (32); the first stop ring (32) abuts against the first step (21); a movable limiting part (4) is arranged on the surface of one side, close to the handle (1), of the first balancing weight (2) or the second balancing weight (3); the free end of the movable limiting part (4) is provided with a first clamping part (41); a second clamping piece (5) is arranged on the surface of one side, close to the handle (1), of the corresponding second balancing weight (3) or the corresponding first balancing weight (2); the free end of the movable limiting part (4) in the first balancing weight (2) or the second balancing weight (3) is abutted against the surface of one side, close to the handle (1), of the corresponding second balancing weight (3) or the first balancing weight (2); first balancing weight (2) or in second balancing weight (3) first joint spare (41) and corresponding second balancing weight (3) or in first balancing weight (2) second joint spare (5) match the joint.

2. A dumbbell according to claim 1, characterized in that the surface of the second weight (3) near the side of the handle (1) is provided with the movable stop (4); the free end of the movable limiting part (4) in the second balancing weight (3) is provided with the first clamping part (41); the surface of one side, close to the handle (1), of the first balancing weight (2) is provided with the second clamping piece (5); the free end of the movable limiting part (4) in the second balancing weight (3) is abutted against the surface of one side, close to the handle (1), of the first balancing weight (2); in second balancing weight (3) first joint spare (41) with in first balancing weight (2) second joint spare (5) match the joint.

3. A dumbbell according to claim 2, characterized in that the outer side of the second weight (3) is fitted with a third weight (6); a second through hole (61) is formed in the third balancing weight (6); the third balancing weight (6) is in matched sleeve joint with the second balancing weight (3) through the second through hole (61); the end of the second through hole (61) far away from one side of the handle (1) forms a second stop ring (62); a second step (33) is circumferentially arranged on the surface of one side, away from the handle (1), of the second balancing weight (3); the second stop ring (62) abuts the second step (33); the surface of one side, close to the handle (1), of the third balancing weight (6) is provided with the movable limiting part (4); the free end of the movable limiting part (4) in the third balancing weight (6) is provided with the first clamping part (41); the surface of one side, close to the handle (1), of the second balancing weight (3) is provided with the second clamping piece (5); the free end of the movable limiting part (4) in the third balancing weight (6) is abutted against the surface of one side, close to the handle (1), of the second balancing weight (3); in third balancing weight (6) first joint spare (41) with in second balancing weight (3) second joint spare (5) match the joint.

4. A dumbbell according to claim 3, characterised in that washers (7) are provided between the first step (21) and the first stop ring (32) and between the second step (33) and the second stop ring (62), respectively.

5. A dumbbell as claimed in claim 3, characterized in that the movable stop (4) comprises a connecting piece (42); one end of the connecting sheet (42) is provided with a third through hole (43); the surfaces of the second balancing weight (3) and the third balancing weight (6) close to one side of the handle (1) are respectively provided with a first sinking groove (8); and a screw penetrates through the third through hole (43) and the first sinking groove (8) to fix one end of the connecting sheet (42) and can rotate around the screw.

6. The dumbbell of claim 5, wherein the screw is smooth at an upper end and threaded at a lower end.

7. A dumbbell according to claim 5, characterized in that the first snap-in element (41) comprises a snap point (411) arranged at the other end of the connecting piece (42).

8. A dumbbell according to claim 5, characterized in that the second clip (5) comprises a limiting groove (51) arranged on the surface of the first weight block (2) and the second weight block (3) close to the handle (1).

9. The dumbbell of claim 8, wherein the limiting grooves (51) are respectively arranged on the surfaces of the first balancing weight (2) and the second balancing weight (3) close to one side of the handle (1) in an opposite way; the connecting line of the first sinking groove (8) and the center of the second balancing weight (3) and the connecting line between the limiting grooves (51) in the second balancing weight (3) form a right angle.

10. A dumbbell according to claim 5, characterised in that the said connecting piece (42) is provided at one end with a handle (44); the handle (44) is L-shaped.