CN112138326A

CN112138326A - Bench press frame convenient to adjustment barbell weight antiskid falls

Info

Publication number: CN112138326A
Application number: CN202011035272.7A
Authority: CN
Inventors: 周熙翔
Original assignee: Guangzhou Huizhi Trade Co ltd
Current assignee: Guangzhou Huizhi Trade Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2020-12-29

Abstract

The invention relates to the technical field of fitness equipment, and discloses a bench press frame convenient for adjusting weight of a barbell and preventing slipping, which comprises a support, wherein a sleeve is fixedly connected to the inner wall of the support, a driving shaft is fixedly connected to the inside of the sleeve, a slide bar is slidably connected to the inside of the sleeve, a weight wheel is slidably connected to the outer side of the slide bar, a buffer spring is fixedly connected to the bottom of a barbell bar, a pressing plate is fixedly connected to the bottom of the buffer spring, a pull rod is slidably connected to the inside of the barbell bar, a connecting rod is movably connected to the outer side of the pull rod, a clamping block is movably connected to one side of the connecting rod, which is far away from the pull rod, and a. This bench press frame convenient to adjustment barbell weight antiskid falls rotates through the driving shaft and drives the slide bar slip, and the slide bar slides and makes weight wheel and slide bar contact number change, and the rethread weight wheel uses with the cooperation of stay cord to the effect of being convenient for adjust barbell weight has been reached.

Description

Bench press frame convenient to adjustment barbell weight antiskid falls

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a bench press frame convenient for adjusting the weight of a barbell and preventing slipping.

Background

With the improvement of living standard of people, more and more people begin to pay attention to the health problem, exercise and fitness become new fashion in modern life, a bench press frame is one of fitness equipment, bench press is short for supine bench press, also called bench press or bench press, mainly exercises pectoralis major, pectoralis minor, deltoid anterior, brachiocephalic and elbow muscles, and exercises anterior serratus, biceps brachii, brachiocephalic and forearm muscle groups.

Present bench press frame is simple fixed barbell, can't fix the barbell when bench press power exhausts, hurts the people easily, and needs other people help, uses inconveniently, and the barbell smashes easily in people's chest and throat when the hand slides simultaneously, very easily causes the injures and deaths, and present barbell can only pass through manual adjustment weight, and is very inconvenient, and the foot is still injures by a crashing easily to improper operation.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the bench press frame convenient for adjusting the weight of the barbell and preventing slipping, which has the advantages of convenience for adjusting the weight of the barbell, slipping injury to people, convenience for fixing, safety in use and the like, and solves the problems that the barbell cannot be fixed when the bench press force is exhausted, people are easily injured, the barbell is easily hit on the chest and throat of people when hands slip, casualties are easily caused, the weight is adjusted manually, the bench press frame is very inconvenient, and the foot is also easily hit due to improper operation.

(II) technical scheme

In order to achieve the purposes of conveniently adjusting the weight of the barbell, preventing people from being injured by slipping, conveniently fixing and safely using, the invention provides the following technical scheme: a bench press frame convenient for adjusting weight of barbell and preventing weight from slipping comprises a support, wherein a sleeve is fixedly connected to the inner wall of the support, a driving shaft is fixedly connected to the inside of the sleeve, a sliding rod is slidably connected to the inside of the sleeve, a weight wheel is slidably connected to the outer side of the sliding rod, a driving wheel is meshed at the top of the weight wheel, a limiting wheel is fixedly connected to the right side of the driving wheel, a sliding tooth is slidably connected to the inside of the limiting wheel, a fixing spring is fixedly connected to one side of the sliding tooth, which is close to the axis of the limiting wheel, a pulling rope is fixedly connected to the bottom of the weight wheel, a barbell rod is fixedly connected to the bottom of the pulling rope, a supporting rod is fixedly connected to the top of the barbell rod, a buffer spring is fixedly connected to the bottom of the barbell rod, a, the outer side of the pull rod is movably connected with a connecting rod, one side, far away from the pull rod, of the connecting rod is movably connected with a clamping block, and one side, close to the pull rod, of the clamping block is fixedly connected with a return spring.

Preferably, the inner wall of the bracket is provided with a limiting groove and a clamping groove, the limiting groove is matched with the sliding teeth for use, and the clamping groove is matched with the clamping blocks for use.

Preferably, the two sides of the driving shaft are opposite in rotating direction, so that the sliding rods on the two sides can move synchronously.

Preferably, the slide bar is in threaded connection with the driving shaft, so that the driving shaft can rotate to drive the slide bar to slide.

Preferably, the bottom of the sliding rod is fixedly connected with a clamping key, so that the weight wheel cannot rotate relative to the sliding rod.

Preferably, the inside fixedly connected with clockwork spring of weight wheel, and the keyway has been seted up to the inner wall, and the clockwork spring is for providing the pulling force, and the keyway uses with the card key cooperation.

Preferably, the top of the pressing plate is fixedly connected with an ejector rod for driving the pull rod to move.

Preferably, the bottom of the pull rod is fixedly connected with a driving block, so that the vertical movement of the pressing plate is changed into the left-right movement of the pull rod.

(III) advantageous effects

Compared with the prior art, the invention provides the anti-slip bench press convenient for adjusting the weight of the barbell, which has the following beneficial effects:

1. this bench press frame convenient to adjustment barbell weight antiskid falls rotates through the driving shaft and drives the slide bar slip, and the slide bar slides and makes weight wheel and slide bar contact number change, and the rethread weight wheel uses with the cooperation of stay cord to the effect of being convenient for adjust barbell weight has been reached.

2. This bench press frame convenient to adjustment barbell weight antiskid falls through weight wheel rotation drive wheel rotation, and the drive wheel drives spacing round and rotates, and spacing round drives the sliding tooth and slides, and the rethread sliding tooth uses with the cooperation of support to reach the antiskid and fallen and hindered people's effect.

3. This bench press frame convenient to adjustment barbell weight antiskid falls drives the clamp plate through buffer spring and descends, and the clamp plate does not give pull rod thrust, and reset spring drives the fixture block and removes this moment, and the rethread fixture block uses with the cooperation of support to convenient fixed effect has been reached.

Drawings

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

FIG. 2 is a partially schematic view of a weighing wheel of the present invention;

FIG. 3 is a schematic left side cross-sectional view of a structural weight wheel of the present invention;

FIG. 4 is a left side cross-sectional view of the structural spacing wheel of the present invention;

FIG. 5 is a partial schematic view of a structural platen of the present invention;

fig. 6 is a left side sectional view of a portion of the structural clamping block of the present invention.

In the figure: 1. a support; 2. a sleeve; 3. a drive shaft; 4. a slide bar; 5. a weight wheel; 6. a driving wheel; 7. a limiting wheel; 8. sliding the teeth; 9. fixing the spring; 10. pulling a rope; 11. a barbell bar; 12. a support bar; 13. a buffer spring; 14. pressing a plate; 15. a pull rod; 16. a connecting rod; 17. a clamping block; 18. a return spring.

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.

Referring to fig. 1-6, a bench press frame convenient for adjusting weight of barbell and preventing slipping comprises a support 1, wherein a limiting groove and a clamping groove are formed in the inner wall of the support 1, the limiting groove is matched with a sliding tooth 8, the clamping groove is matched with a clamping block 17, a sleeve 2 is fixedly connected to the inner wall of the support 1, a driving shaft 3 is fixedly connected to the inside of the sleeve 2, the two sides of the driving shaft 3 are opposite in rotating direction, the sliding rods 4 on the two sides can move synchronously, the sliding rods 4 are slidably connected to the inside of the sleeve 2, the sliding rods 4 are in threaded connection with the driving shaft 3, the driving shaft 3 can drive the sliding rods 4 to slide when rotating, and clamping keys are fixedly connected to the bottom of the sliding rods 4, so. The outer side of the sliding rod 4 is connected with a weight wheel 5 in a sliding manner, the weight wheel 5 is made of 40Cr and has enough hardness, a winding wheel is fixed on the outer side of the weight wheel 5 and is used for winding a pull rope 10 and is matched with the driving wheel 6 for use, a clockwork spring is fixedly connected inside the weight wheel 5, a key groove is formed in the inner wall of the weight wheel 5 and is used for providing pulling force, the key groove is matched with a clamping key for use, the top of the weight wheel 5 is meshed with the driving wheel 6, the right side of the driving wheel 6 is fixedly connected with a limiting wheel 7, a sliding tooth 8 is slidably connected inside the limiting wheel 7, the sliding tooth 8 is made of No. 45 steel to ensure that the sliding tooth 8 has enough strength to prevent slipping, one side, close to the axis of the limiting wheel 7, of the sliding tooth 8 is fixedly connected with a fixed spring 9, the bottom of the weight wheel 5 is fixedly connected with the, the bottom fixedly connected with buffer spring 13 of barbell bar 11, the bottom fixedly connected with clamp plate 14 of buffer spring 13, the top fixedly connected with ejector pin of clamp plate 14, be used for driving pull rod 15 to remove, clamp plate 14 bottom is fixed with the rubber pad, make clamp plate 14 can not influence and use the travelling comfort, the inside sliding connection of barbell bar 11 has pull rod 15, the bottom fixedly connected with drive block of pull rod 15, make the up-and-down motion of clamp plate 14 become about pull rod 15 and remove, the outside swing joint of pull rod 15 has connecting rod 16, one side swing joint that pull rod 15 was kept away from to connecting rod 16 has fixture block 17, the material of fixture block 17 adopts No. 45 steel, make fixture block 17 can hold barbell bar 11, one side fixedly connected with reset spring 18 that fixture block 17 is close to pull rod 15.

When the weight of the barbell needs to be adjusted, a button on the upper portion of the inner wall of a support 1 is pressed to enable a driving shaft 3 to rotate forwards, the driving shaft 3 rotates forwards to drive a sliding rod 4 to slide towards the direction close to the driving shaft 3, the sliding rod 4 enables the number of weight wheels 5 connected with the sliding rod 4 to be reduced, the pulling force of the weight wheels 5 on the barbell is reduced, so that the weight of a person given by the barbell is increased, when the button on the lower portion of the inner wall of the support 1 is pressed, the weight of the person is reduced, so that the effect of conveniently adjusting the weight of the barbell is achieved, when the person needs to push the barbell horizontally, a press plate 14 is pressed by hand, the press plate 14 is lifted to drive a pull rod 15 to move towards the direction far away from the support 1 through a top ejector rod, the pull rod 15 drives a connecting rod 16 to move towards the direction far away from the support 1, the connecting rod 16 drives a clamping block 17 to, the pressing plate 14 descends under the action of the buffer spring 13, at the moment, the pressing plate 14 does not give thrust to the pull rod 15, the fixture block 17 slides to the outer side of the barbell rod 11 under the action of the reset spring 18, the fixture block 17 is matched with a clamping groove in the support 1 for use, the barbell rod 11 is fixed to prevent hurting people, when people grab and lift and slide, the barbell rod 11 descends rapidly, the barbell rod 11 drives the pull rope 10 to descend rapidly, the pull rope 10 drives the reel on the outer side of the weight wheel 5 to rotate rapidly, the reel rotates to drive the transmission wheel 6 to rotate rapidly, the transmission wheel 6 rotates to drive the limiting wheel 7 to rotate rapidly, the centrifugal force given to the sliding teeth 8 by the rapid rotation of the limiting wheel 7 is larger than the pulling force of the fixing spring 9, at the moment, the sliding teeth 8 slides to the outer side of the limiting wheel 7, the sliding teeth 8 are clamped in the limiting groove in the support 1, the sliding teeth 8 stop the rotation of the limiting wheel 7, ensure that the barbell does not hurt people.

In conclusion, this bench press frame convenient to adjustment barbell weight antiskid falls rotates through driving shaft 3 and drives slide bar 4 and slide, and slide bar 4 slides and makes weight wheel 5 and slide bar 4 contact number change, and rethread weight wheel 5 uses with the cooperation of stay cord 10 to the effect of being convenient for adjust barbell weight has been reached. This bench press frame convenient to adjustment barbell weight antiskid falls rotates through weight wheel 5 and drives drive wheel 6 and rotate, and drive wheel 6 drives spacing round 7 and rotates, and spacing round 7 drives smooth tooth 8 and slides, and the rethread is slided tooth 8 and is used with the cooperation of support 1 to the antiskid has been reached and has been fallen and hurt people's effect. This bench press frame convenient to adjustment barbell weight antiskid falls drives clamp plate 14 through buffer spring 13 and descends, and clamp plate 14 does not give pull rod 15 thrust, and reset spring 18 drives fixture block 17 and removes this moment, and the cooperation of rethread fixture block 17 and support 1 is used to reach convenient fixed effect, application scope is more extensive.

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 utility model provides a bench press frame convenient to adjustment barbell weight antiskid falls, includes support (1), its characterized in that: the inner wall of the support (1) is fixedly connected with a sleeve (2), the interior of the sleeve (2) is fixedly connected with a driving shaft (3), the interior of the sleeve (2) is connected with a slide bar (4) in a sliding manner, the outer side of the slide bar (4) is connected with a weight wheel (5) in a sliding manner, the top of the weight wheel (5) is meshed with a driving wheel (6), the right side of the driving wheel (6) is fixedly connected with a limiting wheel (7), the interior of the limiting wheel (7) is connected with a sliding tooth (8) in a sliding manner, one side of the sliding tooth (8) close to the axis of the limiting wheel (7) is fixedly connected with a fixed spring (9), the bottom of the weight wheel (5) is fixedly connected with a pull rope (10), the bottom of the pull rope (10) is fixedly connected with a barbell rod (11), the top of the barbell rod (11) is fixedly connected with a support rod, the barbell bar is characterized in that a pressing plate (14) is fixedly connected to the bottom of the buffer spring (13), a pull rod (15) is connected to the inner portion of the barbell bar (11) in a sliding mode, a connecting rod (16) is movably connected to the outer side of the pull rod (15), a clamping block (17) is movably connected to one side, away from the pull rod (15), of the connecting rod (16), and a reset spring (18) is fixedly connected to one side, close to the pull rod (15), of the clamping block (17).

2. The bench press frame convenient for adjusting weight of barbell and preventing dropping of barbell as claimed in claim 1, wherein: the inner wall of the bracket (1) is provided with a limiting groove and a clamping groove.

3. The bench press frame convenient for adjusting weight of barbell and preventing dropping of barbell as claimed in claim 1, wherein: the two sides of the driving shaft (3) are opposite in rotating direction.

4. The bench press frame convenient for adjusting weight of barbell and preventing dropping of barbell as claimed in claim 1, wherein: the sliding rod (4) is in threaded connection with the driving shaft (3).

5. The bench press frame convenient for adjusting weight of barbell and preventing dropping of barbell as claimed in claim 1, wherein: the bottom of the sliding rod (4) is fixedly connected with a clamping key.

6. The bench press frame convenient for adjusting weight of barbell and preventing dropping of barbell as claimed in claim 1, wherein: the inside fixedly connected with clockwork spring of weight wheel (5), and the keyway has been seted up to the inner wall.

7. The bench press frame convenient for adjusting weight of barbell and preventing dropping of barbell as claimed in claim 1, wherein: the top of the pressing plate (14) is fixedly connected with an ejector rod.

8. The bench press frame convenient for adjusting weight of barbell and preventing dropping of barbell as claimed in claim 1, wherein: the bottom of the pull rod (15) is fixedly connected with a driving block.