CN210145390U - Self-locking barbell tube - Google Patents

Abstract

The utility model discloses a self-locking barbell tube, which is characterized in that the self-locking barbell tube comprises a barbell tube body and a barbell lock, the barbell lock is arranged at one end of the barbell tube body, the barbell lock comprises a fixing mechanism, a locking mechanism and an adjusting knob, the fixing mechanism comprises a barbell lock base, a barbell lock end cover and a limiting inner sleeve which are arranged in sequence, the locking mechanism comprises a limiting lock piece group, an adjusting limiting rotating sleeve and an inner fixing plate, the adjusting limiting rotating sleeve is arranged at the outer side of the limiting inner sleeve, the adjusting limiting rotating sleeve passes through the inner fixing plate to be connected with the adjusting knob, the limiting lock piece group is arranged corresponding to the adjusting limiting rotating sleeve, a limiting locking plate is arranged, a first limiting bulge is arranged at one side of the limiting locking plate, a concave part is arranged at the other side of the limiting locking plate, a poking piece of the adjusting limiting rotating sleeve is matched with the concave part of, the barbell disc is clamped, the concave part of the limiting locking plate and the shifting plate are compact in structure, reverse limiting is achieved, and the safety of the barbell lock is further improved.

Description

Self-locking barbell tube

Technical Field

The utility model belongs to the technical field of the motion body-building apparatus, concretely relates to auto-lock barbell tube.

Background

In recent years, with the increasing living standard of people, the quality of life is gradually improved. The life concept of more and more residents has been changed from 'striving for satiety' to 'forever health care'. Fitness equipment is gaining favor with more and more people due to its unique advantages. The barbell is a sports training device, and the barbell is the most common sports device for strength training and weight lifting.

In the prior art, the fixation of the barbell disc mainly comprises a nut type and a clamp spring type. The nut formula is more common, but because the vibration effect of barbell piece often makes the nut not hard up, uses double nut structure for this reason, but this nut structure makes the loading and unloading barbell piece to revolve the nut many times, and is very troublesome, and another kind is then the jump ring formula, is used for fixing through the jump ring that takes elasticity, fixes with the help of the rough surface, and this kind of jump ring with the help of friction is limited to the restriction ability of barbell piece. And the elasticity of the clamp spring is gradually lost along with the time.

Therefore, the prior art is in need of further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a from locking barbell tube, it has solved and has used the barbell disc to easily drop at the barbell at present, leads to the problem of potential safety hazard, sets up the barbell lock through the position at barbell tube installation barbell disc, and ingenious setting up spacing locking plate and regulation spacing commentaries on classics cover realize improving the security of barbell to the fixing of barbell disc.

In order to solve the above problems, the utility model adopts the following technical scheme: the utility model provides a from locking barbell tube, includes barbell tube body and barbell lock, the one end of barbell tube body is arranged in to the barbell lock, the barbell lock includes fixed establishment, locking mechanism and adjust knob, fixed establishment is including the barbell lock base, barbell lock end cover and the spacing endotheca that set gradually, locking mechanism includes spacing lock piece group, adjusts spacing commentaries on classics cover and inner fixed plate, it sets up in the spacing endotheca outside to adjust spacing commentaries on classics cover, it passes inner fixed plate and adjust knob to adjust spacing commentaries on classics cover and links to each other, spacing lock piece group corresponds the setting with adjusting spacing commentaries on classics cover.

As a further optimization, the utility model discloses make the improvement in following aspect:

an inner hexagonal cylindrical head bolt is arranged between the barbell lock base and the adjusting knob, and the inner limiting sleeve is fixed on the end cover of the barbell lock through the inner hexagonal cylindrical head bolt.

The barbell lock end cover is in threaded connection with the barbell tube body, the limiting locking piece group comprises two limiting locking pieces which are symmetrically arranged, and a reset torsion spring is arranged between the barbell lock end cover and the limiting locking pieces.

The barbell lock end cover is provided with an inner sleeve groove, a strip hole and a plurality of symmetrically arranged columnar screw holes, the inner sleeve groove is arranged corresponding to the limiting inner sleeve, and the two symmetrically arranged screw holes are arranged corresponding to the reset torsion springs.

One end of the reset torsion spring is connected with the first limiting part, and the other end of the reset torsion spring is fixed on the strip hole.

Spacing locking plate one side sets up first spacing arch, and the opposite side sets up the recess, set up first spacing hole on the barbell lock lid, first spacing hole corresponds the setting with first spacing arch, the recess includes first spacing portion and the spacing portion of second.

Adjust spacing commentaries on classics cover including plectrum and the fixed cover that the symmetry set up, the plectrum corresponds the setting with the spacing portion of second, set up the spacing hole of a plurality of seconds on the fixed cover, adjust knob is last to set up the spacing arch of a plurality of seconds, the spacing arch of second corresponds the setting with the spacing hole of second.

The barbell lock base is welded on the barbell tube body, and the barbell lock end cover, the limiting locking plate and the inner fixing plate are sequentially fixed on the barbell lock base through the hexagon socket pan head bolts.

The utility model has the advantages that:

1. the utility model relates to a from locking barbell tube sets up the barbell lock, installs the barbell lock at the barbell tube, later installs the barbell piece on the barbell tube, realizes the locking to the barbell piece through the barbell lock, and the barbell piece is difficult for droing the security that improves the barbell.

2. The utility model relates to a from locking barbell tube sets up spacing locking plate, and spacing locking plate one side sets up first spacing arch, and the opposite side sets up the concave part, and the plectrum of adjusting spacing commentaries on classics cover is ejecting from barbell lock end cover is inside with first spacing arch with the concave part cooperation of spacing locking plate, chucking barbell piece, and the concave part and the plectrum of spacing locking plate compact structure have realized reverse spacing, have further increased the security of barbell lock.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is an exploded view of the present invention;

fig. 5 is a schematic structural view of a limiting lock sheet set.

In the figure: 1-barbell tube body, 101-barbell lock base, 2-barbell lock end cover, 201-inner sleeve groove, 202-columnar screw hole, 203-first limit hole, 3-regulation limit rotating sleeve, 301-plectrum, 302-fixed sleeve, 321-second limit hole, 4-limit locking plate, 401-first limit bulge, 402-concave part, 421-first limit part, 422-second limit part, 5-inner fixed plate, 6-regulation knob cover, 601-second limit bulge, 7-inner hexagonal cylindrical head bolt, 8-limit inner sleeve, 9-handle plug cap, 10-wave elastic washer, 11-inner hexagonal head bolt, 12-nylon cap and 13-reset torsion spring.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.

As shown in figures 1-5, the self-locking barbell tube of the present invention comprises a barbell tube body 1 and a barbell lock, wherein the barbell lock is arranged at one end of the barbell tube body 1, the barbell lock comprises a fixing mechanism, a locking mechanism and an adjusting knob 6, the fixing mechanism comprises a barbell lock base 101, a barbell lock end cover 2 and a limiting inner sleeve 8 which are arranged in sequence, the locking mechanism comprises a limiting lock sheet set, an adjusting limiting rotary sleeve 3 and an inner fixing plate 5, an inner hexagonal cylindrical head bolt 7 is arranged between the barbell lock base 8 and the adjusting knob 6, the inner hexagonal cylindrical head bolt fixes the limiting inner sleeve 8 on the barbell lock end cover 2, the limiting lock sheet set comprises two symmetrically arranged limiting lock sheets 4, the limiting inner sleeve 3 passes through a gap between the two limiting lock sheets 4 and is connected with the adjusting limiting rotary sleeve 8, the adjusting limiting rotary sleeve 8 is arranged outside the limiting inner sleeve 3, the adjusting limiting rotary sleeve 8 can rotate by taking the limiting inner sleeve 3 as a shaft, and the adjusting limiting rotary sleeve 8 penetrates through the inner fixed plate 5 to be connected with the adjusting knob 6.

The barbell lock base 101 is welded on the barbell tube body 1, the barbell lock end cover 2, the limiting locking plate 4 and the inner fixing plate 5 are fixed on the barbell lock base 101 through the hexagon socket pan head bolt 11 in sequence, and the nylon cap 12 is correspondingly arranged.

Barbell lock end cover 2 and barbell tube body 1 pass through threaded connection, set up reset torsion spring 13 between barbell lock end cover 2 and the spacing locking plate 4, the barbell lock sets up the column screw that inner jacket groove 201, rectangular hole and a plurality of symmetry set up on 2, and this implementation sets up to four, two liang of a set of, the symmetry sets up, inner jacket groove 201 corresponds the setting with spacing inner jacket 201, wherein the column screw 202 that two symmetries set up corresponds the setting with reset torsion spring 13.

Spacing locking plate 4 one side sets up first spacing arch 401, and the opposite side sets up concave part 402, concave part 402 includes first spacing portion 421 and the spacing portion 422 of second, set up first spacing hole 203 on barbell locking closure 2, first spacing hole 203 corresponds the setting with first spacing arch 401, 13 one end of reset torsion spring link to each other with first spacing portion 421, and the other end is fixed on the rectangular hole.

Adjust spacing commentaries on classics cover 3 and include plectrum 301 and fixed cover 302 that the symmetry set up, plectrum 301 corresponds the setting with spacing portion 422 of second of spacing locking plate 4, set up the spacing hole 321 of a plurality of seconds on the fixed cover 302, set up the spacing arch 601 of a plurality of seconds on the adjust knob 6, the spacing arch 601 of second corresponds the setting with the spacing hole 321 of second.

The adjusting limiting rotary sleeve 3 and the adjusting knob 6 are fixed through an inner hexagonal cylindrical head bolt 11.

Specifically, the plectrum 301 card on the wrench movement adjusting limiting rotary sleeve 3 is clamped into the second limiting part 422 of the limiting locking plate to eject out the first limiting protrusion 401 of the limiting locking plate, so that the barbell locking plate 4 is clamped, and the plectrum 301 and the first limiting protrusion 401 are tightly combined, so that the reverse limiting effect can be realized, and the movement of the limiting locking plate 4 is prevented.

The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations are also considered as the protection scope of the present invention.

Claims (8)

1. The utility model provides a from locking barbell tube, its characterized in that, includes barbell tube body and barbell lock, the one end at barbell tube body is arranged in to the barbell lock, the barbell lock includes fixed establishment, locking mechanism and adjust knob, fixed establishment is including the barbell lock base, barbell lock end cover and the spacing endotheca that set gradually, locking mechanism includes spacing lock piece group, adjusts spacing commentaries on classics cover and inner fixed plate, adjust spacing commentaries on classics cover and set up in the spacing endotheca outside, it passes the inner fixed plate and links to each other with adjust knob to adjust spacing commentaries on classics cover, spacing lock piece group corresponds the setting with adjusting spacing commentaries on classics cover.

2. The self-locking barbell tube of claim 1, wherein an inner hexagonal socket head bolt is provided between the barbell lock base and the adjusting knob, and the inner hexagonal socket head bolt fixes the limiting inner sleeve to the barbell lock end cap.

3. The self-locking barbell tube according to claim 1, wherein the barbell lock end cap is connected to the barbell tube body by a screw, the limit lock set comprises two symmetrically arranged limit lock pieces, and a reset torsion spring is arranged between the barbell lock end cap and the limit lock pieces.

4. The self-locking barbell tube according to claim 3, wherein the barbell lock end cap is provided with an inner sleeve groove, a strip hole and a plurality of symmetrically arranged cylindrical screw holes, the inner sleeve groove is arranged corresponding to the inner limiting sleeve, and two of the symmetrically arranged cylindrical screw holes are arranged corresponding to the reset torsion spring.

5. The self-locking barbell tube of claim 3, wherein the return torsion spring has one end connected to the first position-limiting portion and the other end fixed to the elongated hole.

6. The self-locking barbell tube according to claim 2, wherein the first locking plate has a first locking protrusion on one side and a recess on the other side, the barbell lock has a first locking hole on the end cap, the first locking hole is disposed corresponding to the first locking protrusion, and the recess includes a first locking portion and a second locking portion.

7. The self-locking barbell tube as claimed in claim 1, wherein the adjusting rotation-limiting sleeve comprises a pair of symmetrically disposed pick and a fixed sleeve, the pick is disposed corresponding to the second limiting portion, the fixed sleeve is disposed with a plurality of second limiting holes, the adjusting knob is disposed with a plurality of second limiting protrusions, and the second limiting protrusions are disposed corresponding to the second limiting holes.

8. The self-locking barbell tube according to claim 1, wherein the barbell lock base is welded to the barbell tube body, and the barbell lock end cap, the limiting locking plate and the inner fixing plate are sequentially fixed to the barbell lock base by hexagon socket head bolts.

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