CN211097292U

CN211097292U - Dumbbell convenient for selecting counter weight

Info

Publication number: CN211097292U
Application number: CN201921649207.6U
Authority: CN
Inventors: 王长粉
Original assignee: Jiangsu Institute of Economic and Trade Technology
Current assignee: Jiangsu Institute of Economic and Trade Technology
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-28
Anticipated expiration: 2029-09-30

Abstract

A dumbbell convenient for selecting a balance weight relates to the technical field of sports goods. The novel bearing comprises a straight handle, a balancing weight and a placing box, wherein the straight handle comprises a left outer sleeve, a right outer sleeve, a left connecting handle, a right connecting handle and a spring, internal threads are arranged in the left outer sleeve and the right outer sleeve, external threads are arranged on the outer sides of the left connecting handle and the right connecting handle, the left connecting handle and the right connecting handle are respectively screwed in the left outer sleeve and the right outer sleeve through the internal threads and the external threads, the spring is arranged in the space between the left outer sleeve and the right outer sleeve, the spring is arranged between the left connecting handle and the right connecting handle, a connecting groove is arranged on the right side of the left outer sleeve, a connecting buckle is arranged on the left side of the right outer sleeve and is positioned in the connecting groove, a plurality of placing grooves are arranged on the left side and the right side of the placing box, a plurality of balancing weights are respectively placed in the plurality of placing grooves, the novel bearing is, the counterweight can be conveniently selected, and the requirements of trainers are met.

Description

Dumbbell convenient for selecting counter weight

Technical Field

The utility model relates to a sports goods technical field, concretely relates to make things convenient for selection dumbbell of counter weight.

Background

Dumbbells are a simple device used for strengthening muscle strength training. Its main material is cast iron, and some of them are covered with a layer of rubber. 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 trouble of traditional dumbbell when installation comparison, need earlier overlap in the both sides of straight shank A1 with balancing weight A2 earlier, lock latch segment A3 lock at the both ends of straight shank A1 again, the trouble of its installation comparison to the trouble that the weight of rotatory counter weight is also relatively, need sheathe in locking of balancing weight one by one, can not satisfy training person's demand.

Disclosure of Invention

An object of the utility model is to prior art's defect and not enough, provide a dumbbell of convenient selection counter weight, its simple structure, easy operation conveniently selects the counter weight, satisfies training person's demand.

In order to achieve the above purpose, the utility model adopts the following technical scheme: it contains straight handle, balancing weight, places the box, straight handle contain left overcoat, right overcoat, left side connection handle, right connection handle, spring, the inside of left overcoat and right overcoat all is provided with the internal thread, the outside of left side connection handle and right connection handle all is provided with the external screw thread, left side connection handle and right connection handle connect in the inside of left overcoat and right overcoat through internal thread and external screw thread soon respectively, the spring sets up the inside between left overcoat and right overcoat, and the spring is located left side connection handle and right side connection handle, the right side of left overcoat is provided with the spread groove, the left side of right overcoat is provided with the connector link, and the connector link is located the inside of spread groove, the left and right sides of placing the box all is provided with a plurality of standing grooves, a plurality of the balancing weight place respectively a plurality of the inside of standing groove.

Preferably, the middle position of the counterweight block of the utility model is provided with a through hole, and the inside of the through hole is provided with a connecting thread.

Preferably, the internal thread of the left outer sleeve is opposite to the internal thread of the right outer sleeve.

Preferably, the utility model discloses the both sides of standing groove all are provided with the U-shaped groove, and the inboard of standing groove all is provided with the skid resistant course.

Preferably, the utility model discloses the relation of connection is coaxial coupling between a plurality of balancing weights of placing the inside a plurality of standing grooves of the box left and right sides.

Preferably, the utility model discloses the length of straight handle is greater than the length of placing between the box left and right sides standing groove, and the length of straight handle is greater than and places length 1cm between the box left and right sides standing groove.

Preferably, the outer side of the straight handle of the utility model is wrapped with the anti-slip soft cushion.

Preferably, the connecting thread of the utility model is the same as the thread size of the internal thread.

After the technical scheme is adopted, the utility model discloses beneficial effect does: the novel balance weight is simple in structure and operation, and can be conveniently selected to meet the requirements of trainers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a prior art dumbbell;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic cross-sectional view of the structure of the middle straight shank of the present invention;

FIG. 4 is a schematic cross-sectional view of the structure of the left and right outer sleeves of the present invention;

FIG. 5 is a schematic structural view of a middle weight member of the present invention;

FIG. 6 is a schematic structural view of the storage case of the present invention;

fig. 7 is an enlarged view corresponding to a portion a in fig. 4.

Description of reference numerals: straight handle 1, balancing weight 2, place box 3, left overcoat 11, right overcoat 12, left connecting handle 13, right connecting handle 14, spring 15, internal thread 4, external screw thread 5, connector link 7, standing groove 8, through-hole 21, connecting thread 211, U-shaped groove 81, anti-skidding cushion 111.

Detailed Description

Referring to fig. 1 to 7, the technical solution adopted by the present embodiment is: it contains straight handle 1, balancing weight 2, places box 3, straight handle 1 contain left overcoat 11, right overcoat 12, left connection handle 13, right connection handle 14, spring 15, the inside of left overcoat 11 and right overcoat 12 all be provided with internal thread 4, the outside of left connection handle 13 and right connection handle 14 all be provided with external screw thread 5, left connection handle 13 and right connection handle 14 connect in the inside of left overcoat 11 and right overcoat 12 through internal thread 4 and external screw thread 5 respectively soon, spring 15 set up the inside between left overcoat 11 and right overcoat 12, and spring 15 is located between left connection handle 13 and right connection handle 14, the right side of left overcoat 11 be provided with spread groove 6, the left side of right overcoat 12 be provided with connector link 7, and connector link 7 is located the inside of spread groove 6, the left and right sides of placing box 3 all be provided with a plurality of standing grooves 8, the balancing weights 2 are respectively placed inside the placing grooves 8.

As shown in fig. 5, the middle position of the counterweight 2 of the present invention is provided with a through hole 21, and the inside of the through hole 21 is provided with a connecting thread 211. The balancing weight 2 is respectively connected with the external threads 5 on the left connecting handle 13 and the right connecting handle 14 through connecting threads 211.

As shown in fig. 3 and 4, the thread of the internal thread 4 inside the left outer sleeve 11 of the present invention is opposite to the thread of the internal thread 4 inside the right outer sleeve 12. However, when the trainee rotates the straight shank 1 in the same direction by holding it, the left connecting shank 13 and the right connecting shank 14 move linearly in opposite directions.

As shown in fig. 6, the utility model discloses the both sides of standing groove 8 all are provided with U-shaped groove 81, and U-shaped groove 81 is used for making things convenient for left connecting handle 13 and right connecting handle 14 to be connected with balancing weight 2, and the inboard of standing groove 8 all is provided with the skid resistant course, and the skid resistant course is used for straight handle 1 when rotatory to same direction, and left connecting handle 13 and right connecting handle 14 are connected with balancing weight 2 to opposite direction linear motion, prevent that balancing weight 2 from skidding.

As shown in fig. 2, the connection relationship between a plurality of balancing weights 2 inside a plurality of placing grooves 8 on the left and right sides of the placing box 3 of the utility model is coaxial connection. The left connecting handle 13 and the right connecting handle 14 are conveniently connected with the balancing weight 2.

As shown in fig. 2, the length of the straight handle 1 of the utility model is greater than the length between the placing grooves 8 on the left and right sides of the placing box 3, and the length of the straight handle 1 is greater than the length 1cm between the placing grooves 8 on the left and right sides of the placing box 3. After contracting through connector link 7 and spread groove 6 with straight handle 1, place straight handle 1 between the box 3 left and right sides standing groove 8 of placing, then spring 15 will left side connection handle 13 and right connection handle 14 to the connecting thread 211 direction top on the balancing weight 2 of both sides, when rotatory straight handle 1 is rotatory to same direction, then left side connection handle 13 and right connection handle 14 are connected with balancing weight 2 to opposite direction linear motion.

As shown in fig. 4 and 7, the outer side of the straight shank 1 of the present invention is wrapped with an anti-slip cushion 111. The non-slip pad 111 facilitates comfort when held by a user's hand.

As shown in fig. 3, 4, and 5, the connection thread 211 of the present invention has the same thread size as the internal thread 4.

The utility model discloses a theory of operation: with straight shank 1 through connector link 7 and spread groove 6 shrink the back, place straight shank 1 between the 3 left and right sides standing grooves of box 8, then spring 15 is with the left connecting handle 13 and the right connecting handle 14 connecting thread 211 top on to the balancing weight 2 of both sides, rotatory straight shank 1 is when rotatory to same direction, then left connecting handle 13 and right connecting handle 14 are connected with balancing weight 2 to opposite direction linear motion, the training person can be according to the training demand of self, select rotatory length, thereby select balancing weight 2.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a dumbbell of convenient selection counter weight which characterized in that: it contains straight handle (1), balancing weight (2), places box (3), straight handle (1) contain left overcoat (11), right overcoat (12), left connecting handle (13), right connecting handle (14), spring (15), the inside of left overcoat (11) and right overcoat (12) all be provided with internal thread (4), the outside of left side connecting handle (13) and right connecting handle (14) all be provided with external screw thread (5), left side connecting handle (13) and right connecting handle (14) connect in the inside of left overcoat (11) and right overcoat (12) through internal thread (4) and external screw thread (5) spiral respectively, spring (15) set up the inside between left overcoat (11) and right overcoat (12), and spring (15) are located between left connecting handle (13) and right connecting handle (14), the right side of left overcoat (11) be provided with spread groove (6), the left side of right overcoat (12) be provided with connector link (7), and connector link (7) are located the inside of spread groove (6), the left and right sides of placing box (3) all be provided with a plurality of standing grooves (8), a plurality of balancing weight (2) place respectively in a plurality of the inside of standing groove (8).

2. The dumbbell for facilitating selection of weights according to claim 1, wherein: a through hole (21) is formed in the middle of the balancing weight (2), and a connecting thread (211) is arranged inside the through hole (21).

3. The dumbbell for facilitating selection of weights according to claim 1, wherein: the internal thread (4) in the left outer sleeve (11) is opposite to the internal thread (4) in the right outer sleeve (12).

4. The dumbbell for facilitating selection of weights according to claim 1, wherein: the two sides of the placing groove (8) are both provided with U-shaped grooves (81), and the inner sides of the placing groove (8) are both provided with anti-skid layers.

5. The dumbbell for facilitating selection of weights according to claim 1, wherein: the connection relation among a plurality of balancing weights (2) inside a plurality of placing grooves (8) on the left side and the right side of the placing box (3) is coaxial connection.

6. The dumbbell for facilitating selection of weights according to claim 1, wherein: the length of the straight handle (1) is greater than the length between the placing grooves (8) on the left side and the right side of the placing box (3), and the length of the straight handle (1) is 1cm greater than the length between the placing grooves (8) on the left side and the right side of the placing box (3).

7. The dumbbell for facilitating selection of weights according to claim 1, wherein: the outer side of the straight handle (1) is wrapped with an anti-slip soft cushion (111).

8. The dumbbell for facilitating selection of weights as recited in claim 2, further comprising: the connecting thread (211) and the internal thread (4) have the same thread size.