CN212662552U

CN212662552U - Joint formula dumbbell convenient to installation

Info

Publication number: CN212662552U
Application number: CN202020852230.1U
Authority: CN
Inventors: 李丽
Original assignee: Guangzhou University of Science and Technology
Current assignee: Guangzhou University of Science and Technology
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-03-09
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a joint formula dumbbell convenient to installation, including the holding rod, the first joint piece of the equal fixedly connected with in both ends of holding rod, the one end fixedly connected with lead screw of holding rod is kept away from to first joint piece, the both ends of holding rod all are provided with a plurality of weight gain piece, the weight gain piece cup joints on the lead screw, the joint groove has all been seted up to one side that the weight gain piece is close to the holding rod, just joint groove and first joint piece phase-match set up, the utility model discloses the beneficial effect who reaches is: the utility model relates to a joint formula dumbbell simple structure convenient to installation, easy dismounting through the first joint piece that increases between second joint piece that increases at the piece that increases and holding rod and lead screw, can peg graft the joint inslot of seting up on the piece that increases weight for each increases weight between the piece and can the joint between piece and the holding rod that increases weight, makes the dumbbell when using, and the piece that increases weight can not rock along the lead screw, makes dumbbell safety more when using.

Description

Joint formula dumbbell convenient to installation

Technical Field

The utility model relates to a dumbbell, in particular to joint formula dumbbell convenient to installation belongs to body-building apparatus technical field.

Background

Dumbbells are a simple device used for strengthening muscle strength training. The muscle training device is used for muscle strength training and muscle compound action training. The dumbbell can be held by hands for patients with low muscle strength caused by paralysis, pain, long-term inactivity and the like, and the weight of the dumbbell can be used for performing resistance active exercise and training the muscle strength. Dumbbells can train a single muscle; if the weight is increased, the coordination of a plurality of muscles is needed, and the training can also be used as a muscle compound action training. The dumbbell of current adjustable weight is mostly through the nut with the piece that increases weight of different weight one by one install on the holding rod of dumbbell rod, when using the nut to install the piece that increases weight one by one on the holding rod, only rely on the nut to carry out the centre gripping to the piece that increases weight, need tightly screw up the nut, the dismouting that leads to the piece that increases weight is very inconvenient, in addition, the dumbbell is when rocking, each increases weight and does not connect between the piece, can produce and rock, thereby can make the nut take place the pine and take off.

SUMMERY OF THE UTILITY MODEL

The utility model provides a joint formula dumbbell convenient to installation has effectually solved the problem that exists among the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a joint formula dumbbell convenient to installation, including the holding rod, the first joint piece of the equal fixedly connected with in both ends of holding rod, the one end fixedly connected with lead screw of holding rod is kept away from to first joint piece, the both ends of holding rod all are provided with a plurality of weight gain piece, the weight gain piece cup joints on the lead screw, the joint groove has all been seted up to one side that the weight gain piece is close to the holding rod, just joint groove and the setting of first joint piece phase-match, first joint piece joint is in the inside in joint groove, one side fixedly connected with second joint piece in joint groove is kept away from to the weight gain piece, just second joint piece joint is in the joint groove on adjacent another weight gain piece, the screw thread has cup jointed the internal thread sleeve on keeping away from the pole wall of first joint piece one end to the lead screw.

As an optimized technical scheme of the utility model, the antiskid groove has been seted up on the lateral wall of holding rod excircle side.

As an optimized technical scheme of the utility model, the rubber ring has been cup jointed on the lateral wall of weight gain piece excircle side.

As an optimized technical scheme of the utility model, set up flutedly on the lateral wall that the piece that increases weight is close to second joint piece one side.

As an optimized technical scheme of the utility model, the width of first joint piece and second joint piece is half of the piece that increases weight, just the size of a dimension of first joint piece and second joint piece is the same.

The utility model discloses the beneficial effect who reaches is: the utility model relates to a joint formula dumbbell simple structure convenient to installation, easy dismounting through the first joint piece that increases between second joint piece that increases at the piece that increases and holding rod and lead screw, can peg graft the joint inslot of seting up on the piece that increases weight for each increases weight between the piece and can the joint between piece and the holding rod that increases weight, makes the dumbbell when using, and the piece that increases weight can not rock along the lead screw, makes dumbbell safety more when using.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is an external structural view of the present invention;

fig. 3 is a schematic structural diagram of the weight increasing tablet of the present invention.

In the figure: 1. a holding rod; 2. a first clamping block; 3. a screw rod; 4. weight increasing tablets; 5. a rubber ring; 6. a clamping groove; 7. a second clamping block; 8. an internally threaded sleeve; 9. an anti-slip groove; 10. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to a joint formula dumbbell convenient to installation, including holding rod 1, the equal first joint piece 2 of fixedly connected with in both ends of holding rod 1, the one end fixedly connected with lead screw 3 of holding rod 1 is kept away from to first joint piece 2, the both ends of holding rod 1 all are provided with a plurality of weight gain piece 4, weight gain piece 4 cup joints on lead screw 3, weight gain piece 4 is close to one side of holding rod 1 and has all seted up joint groove 6, and joint groove 6 and the 2 phase-match settings of first joint piece, the inside in joint groove 6 of first joint piece 2 joints, weight gain piece 4 keeps away from one side fixedly connected with second joint piece 7 in joint groove 6 on another adjacent weight gain piece 4, screw thread sleeve has 8 on the pole wall that first joint piece 2 one end was kept away from to lead screw 3.

The lateral wall of the excircle side of the holding rod 1 is provided with an anti-slip groove 9, and the anti-slip groove 9 can ensure that the anti-slip effect of the outer wall of the holding rod 1 is better.

The rubber ring 5 is sleeved on the side wall of the outer circle side of the weight increasing piece 4, the weight increasing piece 4 can be protected by the rubber ring 5, and the dumbbell can be prevented from being damaged due to rigid collision with the ground when being placed.

The side wall of the weight increasing piece 4 close to one side of the second clamping block 7 is provided with a groove 10, and the inner bottom of the groove 10 can be marked according to the weight of the weight increasing piece 4.

The width of first joint piece 2 and second joint piece 7 is half of piece 4 that increases weight, and first joint piece 2 is the same with the size of second joint piece 7, is convenient for carry out mutual joint with a plurality of pieces 4 that increase weight.

Specifically, when the utility model is used, the clamping groove 6 on the first weight increasing piece 4 is clamped on the first clamping block 2, according to the requirement of the individual on the weight of the dumbbell, when the weight increasing piece 4 is added, the clamping groove 6 on the second weight increasing piece 4 is clamped on the second clamping block 7 on the first weight increasing piece 4, the weight increasing pieces 4 are sequentially installed, after the weight increasing pieces 4 are installed, the internal thread sleeve 8 is sleeved at the tail end of the screw rod 3 through the thread, the internal thread sleeve 8 is rotated, the internal thread sleeve 8 is used for fastening and connecting the second clamping block 7 on the weight increasing piece 4 at the tail end and the screw rod 3, through the second clamping block 7 increased by the weight increasing piece 4 and the first clamping block 2 increased between the weight increasing rod 1 and the screw rod 3, the clamping groove 6 arranged on the weight increasing piece 4 can be inserted, so that the weight increasing pieces 4 and the holding rod 1 can be clamped, when the dumbbell is used, the weight increasing pieces 4 cannot rotate along the screw rod 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The clamping type dumbbell convenient to install is characterized by comprising a holding rod (1), wherein two ends of the holding rod (1) are fixedly connected with first clamping blocks (2), one end, far away from the holding rod (1), of each first clamping block (2) is fixedly connected with a lead screw (3), two ends of the holding rod (1) are respectively provided with a plurality of weight increasing pieces (4), the weight increasing pieces (4) are sleeved on the lead screws (3), one sides, close to the holding rod (1), of the weight increasing pieces (4) are respectively provided with a clamping groove (6), the clamping grooves (6) are matched with the first clamping blocks (2), the first clamping blocks (2) are clamped inside the clamping grooves (6), one sides, far away from the clamping grooves (6), of the weight increasing pieces (4) are fixedly connected with second clamping blocks (7), and the second clamping blocks (7) are clamped in the clamping grooves (6) on the other adjacent weight increasing pieces (4), and an internal thread sleeve (8) is sleeved on the rod wall at one end, far away from the first clamping block (2), of the screw rod (3).

2. The clamping dumbbell convenient to install according to claim 1, characterized in that the side wall of the outer circle side of the holding rod (1) is provided with an anti-slip groove (9).

3. The easy-to-mount snap-fit dumbbell of claim 1, characterized in that the rubber ring (5) is sleeved on the side wall of the outer circle side of the weight increasing piece (4).

4. The clamping dumbbell convenient to install according to claim 1, characterized in that the side wall of the weight increasing piece (4) close to one side of the second clamping block (7) is provided with a groove (10).

5. The easy-to-mount snap-in dumbbell of claim 1, characterized in that the width of the first snap-in block (2) and the second snap-in block (7) is half of the weight increasing piece (4), and the first snap-in block (2) and the second snap-in block (7) have the same size.