CN217246496U

CN217246496U - Can adjust lifting device of lifting rod distance

Info

Publication number: CN217246496U
Application number: CN202123051553.4U
Authority: CN
Inventors: 包天青
Original assignee: Shanghai Niulu Sports Technology Development Co Ltd
Current assignee: Shanghai Niulu Sports Technology Development Co Ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-08-23
Anticipated expiration: 2031-12-07

Abstract

The utility model relates to the technical field of weight lifting equipment, and discloses a weight lifting device capable of adjusting the distance of a weight lifting rod, which comprises a dumbbell component, wherein the dumbbell component comprises the weight lifting rod, a flattening screw rod, dumbbell pieces and a nut, the weight lifting rod is internally and slidably connected with the flattening screw rod, the dumbbell pieces are arranged on the outer surface of the flattening screw rod, the nut is slidably connected with the outer surface of the flattening screw rod, a limiting component is arranged in the flattening screw rod, and the limiting component comprises a pressing rod, a limiting block, a reset spring, a clamping block, a fixed block and a spring telescopic rod; this can adjust weightlifter of lifting rod distance can make it carry out the regulation of length through setting up the screw rod of paring, makes it increase the dumbbell piece, and sets up the pressure bar, can make its convenient more quick when adjusting, reduces the time of changing the lifting rod, and sets up the fixture block, can fix when the screw rod that paring is flexible, makes it prevent gliding phenomenon, has solved the unable adjusting distance of lifting rod in the past, changes the loaded down with trivial details problem of lifting rod.

Description

Can adjust lifting device of lifting rod distance

Technical Field

The utility model relates to a weight lifting equipment technical field specifically is a can adjust weight lifting device of lifting rod distance.

Background

The weight lifting device is a device for body-building practice, and comprises a dumbbell, a barbell and the like; and the dumbbell is smaller than the barbell; dumbbells are classified as light and heavy dumbbells, and their weights are 1, 2, 3, 5, 8, 12 lbs. (1 lb.: 0.4536 kg), etc. The weight of the heavy dumbbell is 10, 15, 30 kilograms and the like. The dumbbell is named because no sound is produced during practice.

Among the prior art, the weight bar in the middle of the dumbbell is all fixed length, can not carry out the adjusting distance, and after the dumbbell piece increases to certain quantity, the weight bar just can't continue to add the dumbbell piece, consequently need to change longer weight bar and continue to add, and the exercise of general family the inside can't accomplish the comprehensive possession like gymnasium.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a can adjust weight lifting device of lifting pole distance possesses and to adjust the lifting pole distance, increases the advantage of dumbbell piece, has solved in the past that the lifting pole in the middle of the dumbbell is fixed length, can not carry out the adjusting distance, increases to certain quantity back when the dumbbell piece, and the problem that the lifting pole just can't continue to add the dumbbell piece.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a weight lifter capable of adjusting the distance between weight lifting rods comprises a dumbbell component, wherein the dumbbell component comprises weight lifting rods, a flattening screw rod, dumbbell pieces and nuts, the flattening screw rod is connected inside the weight lifting rods in a sliding mode, the dumbbell pieces are mounted on the outer surface of the flattening screw rod, and the nuts are connected to the outer surface of the flattening screw rod in a sliding mode;

the utility model discloses a screw rod, including the screw rod of paring, the internally mounted of paring has spacing subassembly, spacing subassembly includes according to depression bar, stopper, reset spring, fixture block, fixed block and spring telescopic link, the internally mounted of paring the screw rod has according to the depression bar, according to the outer fixed surface of depression bar is connected with the stopper, according to the surface of depression bar be equipped with reset spring, according to the one end of depression bar establish the fixture block, the both sides fixedly connected with of fixture block the fixed block, there is one side of fixed block the spring telescopic link.

Preferably, the two flattening screw rods are arranged and respectively distributed at two ends of the weight lifting rod.

By adopting the scheme, the two sides of the lifting rod can be telescopically adjusted, so that the dumbbell piece can be conveniently added, one end of the outer surface of the flat-cutting screw rod is provided with the thread, and the other end of the outer surface of the flat-cutting screw rod is not provided with the thread.

Preferably, the number of the clamping blocks is two, and the two clamping blocks are symmetrically distributed according to the center of the pressing rod.

Through adopting above-mentioned scheme, can fix the weight lifting rod inside, make it be convenient for adjust, one side of fixture block has the inclined plane, can be convenient for press the pole and extrude it.

Preferably, the number of the spring telescopic rods is two, and the two spring telescopic rods are respectively distributed on two sides of the clamping block.

Through adopting above-mentioned scheme, can make the fixture block of its both sides stretch out and draw back, fix when making it can be convenient for adjust to lift the heavy pole.

Preferably, the two groups of limiting assemblies are arranged, and the two groups of limiting assemblies are respectively distributed in the two flattening screw rods.

Through adopting above-mentioned scheme, can fix the screw rod of cutting flat of both sides, make its be convenient for adjust, fix.

Preferably, the outer surface of the flattening screw rod is provided with a graduated scale.

By adopting the scheme, the adjusting distance can be checked, so that the control is balanced, and the phenomenon of unbalanced gravity is prevented.

Preferably, the number of the graduated scales is two, and the two graduated scales are respectively distributed on the outer surfaces of the two leveling screw rods.

By adopting the scheme, the leveling screw rods on two sides can be adjusted to keep balance.

(III) advantageous effects

Compared with the prior art, the utility model provides a can adjust weightlifting device of lifting rod distance possesses following beneficial effect:

this can adjust weightlifter of lifting rod distance can make it carry out the regulation of length through setting up the screw rod of paring, makes it increase the dumbbell piece, and sets up the pressure bar, can make its convenient more quick when adjusting, reduces the time of changing the lifting rod, and sets up the fixture block, can fix when the screw rod that paring is flexible, makes it prevent gliding phenomenon, has solved the unable adjusting distance of lifting rod in the past, changes the loaded down with trivial details problem of lifting rod.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a schematic view of the disassembled structure of the present invention;

fig. 3 is a schematic structural view of a limiting assembly in the present invention;

fig. 4 is a schematic top view of the leveling screw of the present invention;

fig. 5 is a schematic view of the appearance structure of the leveling screw rod of the present invention.

In the figure: 1. a dumbbell component; 11. a weight lifting rod; 12. flattening the screw rod; 13. a dumbbell sheet; 14. a nut; 2. a limiting component; 21. a pressing lever; 22. a limiting block; 23. a return spring; 24. a clamping block; 25. a fixed block; 26. a spring telescopic rod; 3. a graduated scale.

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 one

A weight lifter capable of adjusting the distance between weight lifting rods comprises a dumbbell component 1, wherein the dumbbell component 1 comprises weight lifting rods 11, a leveling screw 12, dumbbell pieces 13 and nuts 14, the weight lifting rods 11 are connected with the leveling screw 12 in a sliding mode, the leveling screw 12 is provided with two, the two leveling screw 12 are respectively distributed at two ends of the weight lifting rods 11, the dumbbell pieces 13 are mounted on the outer surfaces of the leveling screw 12, and the nuts 14 are connected with the outer surfaces of the leveling screw 12 in a sliding mode; the internally mounted who cuts flat screw rod 12 has spacing subassembly 2, spacing subassembly 2 includes press ram 21, stopper 22, reset spring 23, fixture block 24, fixed block 25 and spring telescopic link 26, the internally mounted who cuts flat screw rod 12 has press ram 21, the outer fixed surface of press ram 21 is connected with stopper 22, the surface of press ram 21 is equipped with reset spring 23, fixture block 24 is established to the one end of press ram 21, fixture block 24's both sides fixedly connected with fixed block 25, there is spring telescopic link 26 one side of fixed block 25, fixture block 24 is equipped with two altogether, two fixture blocks 24 refer to the central symmetric distribution of press ram 21, spring telescopic link 26 is equipped with two altogether, two spring telescopic links 26 distribute respectively in the both sides of fixture block 24, spacing subassembly 2 is equipped with two sets ofly altogether, two sets of spacing subassembly 2 distribute respectively in two screws 12 that cut flat.

Referring to fig. 1-5, in use, the pressing rod 21 is first pulled to move the pressing rod 21 to the left, and then the pressing rod 21 is moved. The fixture block 24 in the leveling screw rod 12 can drive the fixture block 25 to rebound through the rebound of the spring telescopic rod 26, so that the fixture block 24 is contracted into the leveling screw rod 12, at the moment, the distance between the leveling screw rod 12 and the lifting rod 11 can be adjusted through pulling the leveling screw rod 12, after the distance is adjusted, the pressing rod 21 is loosened, then the pressing rod 21 is moved rightwards through the contraction of the return spring 23, then the fixture block 24 is extruded, the fixture block 24 extends to the outside of the leveling screw rod 12, the leveling screw rod 12 is fixed through the fixture block, and the sliding phenomenon is prevented when the leveling screw rod 12 is connected with the lifting rod 11.

Example two

The function of accurate adjustment is added on the basis of the first embodiment.

The outer surface of the leveling screw 12 is provided with a graduated scale 3; the two graduated scales 3 are arranged, and the two graduated scales 3 are respectively distributed on the outer surfaces of the two flattening screw rods 12.

Referring to fig. 1-5, when the distance needs to be adjusted, the graduated scale 3 on the outer surface of the leveling screw 12 can be viewed, so that the adjusted distance can be known conveniently, the leveling screws 12 on both sides can be adjusted to the same position, and the phenomenon of gravity imbalance can be prevented.

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. A can adjust weightlifter of lifting rod distance, includes dumbbell subassembly (1), its characterized in that: the dumbbell component (1) comprises a weight lifting rod (11), a flattening screw rod (12), dumbbell pieces (13) and nuts (14), the weight lifting rod (11) is connected with the flattening screw rod (12) in a sliding mode, the dumbbell pieces (13) are mounted on the outer surface of the flattening screw rod (12), and the nuts (14) are connected to the outer surface of the flattening screw rod (12) in a sliding mode;

the utility model discloses a screw rod (12) of cutting to level internally mounted has spacing subassembly (2), spacing subassembly (2) are including pressing down depression bar (21), stopper (22), reset spring (23), fixture block (24), fixed block (25) and spring telescopic link (26), the internally mounted of cutting to level screw rod (12) has pressing down depression bar (21), the external fixed surface of pressing down depression bar (21) is connected with stopper (22), the surface of pressing down depression bar (21) is equipped with reset spring (23), the one end of pressing down depression bar (21) is established fixture block (24), the both sides fixedly connected with of fixture block (24) fixed block (25), one side of fixed block (25) has spring telescopic link (26).

2. The weight lifting device capable of adjusting the distance of the weight lifting rod as claimed in claim 1, wherein: the two flattening screw rods (12) are arranged, and the two flattening screw rods (12) are respectively distributed at two ends of the weight lifting rod (11).

3. The weight lifting device capable of adjusting the distance of the weight lifting rod as claimed in claim 1, wherein: the number of the clamping blocks (24) is two, and the two clamping blocks (24) are symmetrically distributed according to the center of the pressing rod (21).

4. The weight lifting device capable of adjusting the distance of the weight lifting rod as claimed in claim 1, wherein: the number of the spring telescopic rods (26) is two, and the two spring telescopic rods (26) are respectively distributed on two sides of the clamping block (24).

5. The weight lifting device capable of adjusting the distance between the weight lifting rods as claimed in claim 1, wherein: the two groups of limiting assemblies (2) are arranged, and the two groups of limiting assemblies (2) are respectively distributed in the two flattening screw rods (12).

6. The weight lifting device capable of adjusting the distance of the weight lifting rod as claimed in claim 1, wherein: the outer surface of the leveling screw rod (12) is provided with a graduated scale (3).

7. The weight lifting device capable of adjusting the distance of the weight lifting rod as claimed in claim 6, wherein: the two graduated scales (3) are arranged, and the two graduated scales (3) are respectively distributed on the outer surfaces of the two leveling screw rods (12).