CN110935132A

CN110935132A - Barbell safety pushing system

Info

Publication number: CN110935132A
Application number: CN201911411349.3A
Authority: CN
Inventors: 陈曹顺
Original assignee: Nantong Tianlong Sporting Goods Co Ltd
Current assignee: Nantong Ruipu sporting goods Co.,Ltd.
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-03-31
Anticipated expiration: 2039-12-31
Also published as: CN110935132B

Abstract

The invention discloses a barbell safety pushing system which comprises a base, wherein the base is connected with a slide rail, first sliding grooves are symmetrically formed in the inner walls of two sides of the slide rail, a locking device is arranged in an inner cavity of the slide rail and comprises a movable plate, two pressing plates, two sliding strips, a first spring and a shell, the shell is connected with the slide rail in a sliding mode, a first fixing plate is connected with the shell, a second sliding groove is formed in the first fixing plate, the sliding strips are connected with the first fixing plate in a sliding mode through the second sliding grooves, the first spring is connected to the first fixing plate, the movable plate is connected to the first spring, and the pressing plates are connected to. According to the invention, through the design of the locking device, the lower end of the barbell rod is contacted with the movable plate, and the slide bar slides into the inner cavity of the third sliding groove, so that the locking device is fixed in position, the phenomenon of muscle strain caused by insufficient physical strength of a body builder is avoided, and the body building effect is improved while the body building is safe.

Description

Barbell safety pushing system

Technical Field

The invention relates to the field of fitness equipment, in particular to a barbell safety pushing system.

Background

Barbell is pushed and is lifted, it is one of the most effectual action of the pectoralis major to take exercise in the body-building motion, present barbell pushes and lifts the mechanism and needs the coach to accompany the body-building on one side mostly, the work load of having increased body-building coach like this, the body-building person is difficult to break through the individual limit simultaneously, the body-building effect is not good, can not reach body-building person's body-building demand, if body-building person independent training appears the body-building person again easily because of the strength not enough make the barbell injure body-building person's the condition, the life of barbell has not only been shortened like this, there is certain potential safety hazard.

Disclosure of Invention

The present invention is directed to a barbell safety lifting system to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a barbell safety pushing system comprises a base, wherein slide rails are symmetrically and fixedly connected to two sides of the top end of the base, first slide grooves are symmetrically formed in the inner walls of the two sides of each slide rail, and a locking device is arranged in an inner cavity of each slide rail;

locking device includes fly leaf, two clamp plates, two draw runners, first spring and casing, casing and slide rail sliding connection, the first fixed plate of the both sides fixedly connected with of shells inner wall, the second spout has been seted up to the equal symmetry in both sides at first fixed plate top, the draw runner passes through second spout and first fixed plate sliding connection, the one end fixed connection of first spring is in the top of first fixed plate, fly leaf fixed connection is in the other end of first spring, clamp plate fixed connection is in the bottom of fly leaf both sides, the equal symmetry in casing both sides has seted up logical groove, it is located one side of draw runner to lead to the groove.

Preferably, first limiting grooves are symmetrically formed in two sides of the sliding rail, second limiting grooves are symmetrically formed in two sides of the shell, barbell bars are arranged in inner cavities of the first limiting grooves and the second limiting grooves, second springs are arranged in inner cavities of the second limiting grooves, one ends of the second springs are fixedly connected to the bottom ends of the inner cavities of the second limiting grooves, and the other ends of the second springs are fixedly connected to the bottom ends of the barbell bars.

Preferably, the both sides fixedly connected with second fixed plate of shells inner wall, the second fixed plate is located the top of first fixed plate, the second through-hole has been seted up on the second fixed plate, the top of fly leaf and the inner wall sliding alternate connection of second through-hole, the equal symmetrical fixedly connected with third fixed plate in both sides on first fixed plate top.

Preferably, a plurality of third spouts have all been seted up to the bilateral symmetry of slide rail inner chamber, and are a plurality of the third spout is linear array and distributes, sliding connection has the slider in the inner chamber of third spout, one side fixedly connected with third spring of slider, the one end fixed connection of third spring is in one side of third spout inner chamber.

Preferably, the cross sections of the sliding strip and the pressing plate are both trapezoidal.

Preferably, a rubber pad is fixedly embedded at the top end of the base, and anti-skid textures are arranged on the rubber pad.

The invention has the technical effects and advantages that:

1. according to the invention, through the design of the locking device, the lower end of the barbell rod is contacted with the movable plate under the condition of insufficient physical strength of a body builder, when the movable plate moves downwards, the pressure plate and the slide bar are mutually extruded, and the slide bar slides into the inner cavity of the third sliding groove, so that the position of the locking device is fixed, the phenomenon of muscle strain caused by insufficient physical strength of the body builder is avoided, and the body building effect is improved while the body building is safe;

2. according to the invention, through the design of the second limiting groove, the first spring and the third spring, after physical strength of a body builder is recovered, the barbell rod is lifted, and the slide bar slides out of the inner cavity of the third sliding groove, so that the effect of continuous exercise is achieved, and the device does not need to be reset manually.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the locking device of the present invention.

Fig. 3 is a schematic top view of the slide rail according to the present invention.

Fig. 4 is an enlarged schematic structural diagram of fig. 2 a.

In the figure: 1. a base; 2. a slide rail; 3. a barbell bar; 4. a rubber pad; 5. a locking device; 6. a slider; 7. a third spring; 8. a first fixing plate; 9. a second fixing plate; 10. a third fixing plate; 11. a second spring; 501. a movable plate; 502. pressing a plate; 503. a slide bar; 504. a first spring; 505. a housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a barbell safety pushing system as shown in figures 1-4, which comprises a base 1, wherein a body-building station is used for pushing a barbell on the base 1, two sides of the top end of the base 1 are symmetrically and fixedly connected with slide rails 2, locking devices 5 slide in inner cavities of the slide rails 2, the inner walls of two sides of the slide rails 2 are symmetrically provided with first slide grooves, the inner cavities of the slide rails 2 are internally provided with the locking devices 5, and the locking devices 5 prevent the barbell from being braked when the body-building person is lack of strength;

the locking device 5 comprises a movable plate 501, two pressing plates 502, two sliding strips 503, a first spring 504 and a shell 505, wherein the shell 505 is slidably connected with the sliding rail 2, two sides of the inner wall of the shell 505 are fixedly connected with a first fixing plate 8, two sides of the top of the first fixing plate 8 are symmetrically provided with second sliding grooves, the sliding strips 503 are slidably connected with the first fixing plate 8 through the second sliding grooves, the sliding strips 503 slide on the first fixing plate 8, one end of the first spring 504 is fixedly connected with the top end of the first fixing plate 8, the first spring 504 resets the movable plate 501, the movable plate 501 is fixedly connected with the other end of the first spring 504, the pressing plates 502 are fixedly connected with the bottoms of two sides of the movable plate 501, two sides of the shell 505 are symmetrically provided with through grooves, the through grooves are positioned on one side of the sliding strips 503, the sliding strips 503 can slide out due to the through grooves, when the barbell bar 3 is contacted with the movable plate 501, the, the two sliding bars 503 are movable on the first fixing plate 8, and when the sliding bars 503 slide into the inner cavity of the third sliding groove, the sliding of the locking device 5 is limited, so that the barbell bar 3 is fixed, and the barbell bar 3 is prevented from hurting a body builder.

First spacing grooves have been seted up to the equal symmetry in both sides of slide rail 2, the second spacing groove has been seted up to the equal symmetry in both sides of casing 505, be provided with barbell bar 3 in the inner chamber of first spacing groove and second spacing groove, first spacing groove and second spacing groove are run through to barbell bar 3 one end, first spacing groove and second spacing groove not only make barbell bar 3 can wear out locking device 5 and slide rail 2, spacing is carried out to barbell bar 3 simultaneously, only can reciprocate, be provided with second spring 11 in the inner chamber of second spacing groove, the one end fixed connection of second spring 11 is in the bottom of second spacing groove inner chamber, the other end fixed connection of second spring 11 is in the bottom of barbell bar 3, second spring 11 is in compression state, make barbell bar 3 not contact with the second spacing groove when the training.

Both sides fixedly connected with second fixed plate 9 on casing 505 inner wall, second fixed plate 9 is located the top of first fixed plate 8, the second through-hole has been seted up on the second fixed plate 9, the top of fly leaf 501 and the inner wall slip interlude of second through-hole are connected, second fixed plate 9 has restricted fly leaf 501 and has only reciprocated, the second through-hole makes fly leaf 501 can pass second fixed plate 9 and the contact of barbell pole 3 bottom simultaneously, the equal symmetry fixedly connected with third fixed plate 10 in both sides on first fixed plate 8 top, the slip of third fixed plate 10 restriction draw runner 503.

A plurality of third spouts have all been seted up to the equal symmetry in both sides side of 2 inner chambers of slide rail, when the draw runner 503 slides in the inner chamber of third spout, make locking device 5 rigidity, a plurality of third spouts are linear array and distribute, sliding connection has slider 6 in the inner chamber of third spout, one side fixedly connected with third spring 7 of slider 6, the one end fixed connection of third spring 7 is in one side of third spout inner chamber, upwards lift barbell bar 3, the inner chamber of third spout is extruded with draw runner 503 to slider 6 under the effect of third spring 7 elasticity.

The cross sections of the sliding strip 503 and the pressing plate 502 are both trapezoidal, and the trapezoidal design enables the pressing plate 502 to drive the sliding strip 503 to slide into the inner cavity of the third sliding groove when moving downwards.

The top end of the base 1 is fixedly embedded with a rubber pad 4, the rubber pad 4 is provided with anti-skid textures, and the rubber pad 4 increases the friction force between a body builder and the base 1.

This practical theory of operation: when the barbell bar 3 is pushed by a body builder, the barbell bar 3 drives the locking device 5 to slide upwards, when the body builder cannot support the barbell bar 3 due to physical strength, the barbell bar 3 is in a weightless state, the outer wall of the barbell bar 3 is in contact with the top end of the movable plate 501, the movable plate 501 moves downwards under the action of the pressure of the barbell bar 3, the pressing plate 502 and the sliding strip 503 are pressed against each other, the sliding strip 503 slides on the first fixing plate 8, one end of the sliding strip 503 slides into the inner cavity of the third sliding groove, the two sliding strips 503 fix the position of the locking device 5, so that the body builder is prevented from being hurt by the barbell frame, after the physical strength of the body builder is recovered, the barbell bar 3 is lifted upwards, the sliding block 6 presses the sliding strip 503 under the action of the third spring 7, the sliding strip 503 is extruded out of the inner cavity of the third sliding groove, the locking device 5 is reset, and the body builder can continue to move.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a barbell safety system of lifting, includes base (1), its characterized in that: the two sides of the top end of the base (1) are symmetrically and fixedly connected with sliding rails (2), the inner walls of the two sides of the sliding rails (2) are symmetrically provided with first sliding chutes, and locking devices (5) are arranged in inner cavities of the sliding rails (2);

the locking device (5) comprises a movable plate (501), two pressure plates (502), two sliding bars (503), a first spring (504) and a shell (505), the shell (505) is connected with the slide rail (2) in a sliding way, two sides of the inner wall of the shell (505) are fixedly connected with a first fixing plate (8), the two sides of the top of the first fixing plate (8) are symmetrically provided with second sliding grooves, the sliding strip (503) is connected with the first fixing plate (8) in a sliding way through the second sliding grooves, one end of the first spring (504) is fixedly connected with the top end of the first fixing plate (8), the movable plate (501) is fixedly connected to the other end of the first spring (504), the pressing plate (502) is fixedly connected to the bottoms of two sides of the movable plate (501), through grooves are symmetrically formed in two sides of the shell (505), and the through grooves are located on one side of the sliding strip (503).

2. The barbell safety pushing system according to claim 1, wherein: first limiting grooves are symmetrically formed in two sides of the sliding rail (2), second limiting grooves are symmetrically formed in two sides of the shell (505), and barbell rods (3) are arranged in inner cavities of the first limiting grooves and the second limiting grooves.

3. The barbell safety pushing system according to claim 2, wherein: a second spring (11) is arranged in the inner cavity of the second limiting groove, one end of the second spring (11) is fixedly connected to the bottom end of the inner cavity of the second limiting groove, and the other end of the second spring (11) is fixedly connected to the bottom end of the barbell rod (3).

4. The barbell safety pushing system according to claim 1, wherein: the both sides fixedly connected with second fixed plate (9) of casing (505) inner wall, second fixed plate (9) are located the top of first fixed plate (8), the second through-hole has been seted up on second fixed plate (9), the top of fly leaf (501) and the inner wall of second through-hole slip interlude be connected, the equal symmetry fixedly connected with third fixed plate (10) in both sides on first fixed plate (8) top.

5. The barbell safety pushing system according to claim 1, wherein: a plurality of third chutes are symmetrically formed in two side sides of an inner cavity of the sliding rail (2), and the third chutes are distributed in a linear array mode.

6. The barbell safety pushing system according to claim 5, wherein: sliding connection has slider (6) in the inner chamber of third spout, one side fixedly connected with third spring (7) of slider (6), the one end fixed connection of third spring (7) is in one side of third spout inner chamber.

7. The barbell safety pushing system according to claim 1, wherein: the cross section of the sliding strip (503) is trapezoidal.

8. The barbell safety pushing system according to claim 1, wherein: the cross section of the pressure plate (502) is trapezoidal.