CN102974074B

CN102974074B - Pull-ups training device

Info

Publication number: CN102974074B
Application number: CN201210571190.3A
Authority: CN
Inventors: 程建英
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-26
Filing date: 2012-12-26
Publication date: 2014-11-05
Anticipated expiration: 2032-12-26
Also published as: CN102974074A

Abstract

The invention relates to a pull-ups training device, which comprises four cylinder bodies which are vertically and sequentially arranged from left to right, wherein a piston which can slide up and down in the cylinder body is arranged in each cylinder body, and a piston rod which vertically extends upwards is connected onto each piston; an airtight chamber for containing fluids is formed in the space of each cylinder body under the corresponding piston, the space above the corresponding piston is communicated with the outside, and each chamber is filled with the fluids; the bottoms of the chambers of the two cylinder bodies positioned at the left side are communicated with each other, and the bottoms of the chambers of the two cylinder bodies positioned at the right side are communicated with each other; the tops of the piston rods of the two cylinder bodies positioned in the middle part are fixedly connected with a support plate; and the tops of the piston rods of the cylinder bodies positioned at the left-most side and the right-most side are connected with a cross rod. The upward thrust applied to the support plate comes from the downward pulling force of two hands of a user to the cross rod, the up and down movement of the cross rod and the support plate is stable, slow, safe and reliable, and people easily and freely control the speed of pull-ups action and can also leisurely finish the pull-ups action.

Description

Chin-up trainer

Technical field

The present invention relates to athletic training equipment, specifically refer to a kind of chin-up trainer.

Background technology

Chin-up is common body building, mainly tempers cucullaris, latissimus dorsi and the bicipital muscle of arm.But be not that everyone can both do chin-up campaign, this is to need larger strength because do chin-up, and child, old man, women and weakling cannot do chin-up campaign conventionally, and its arm can not support the weight of health.

Chinese patent ZL200820098422.7 discloses a kind of assistor of horizontal bar chin-up training, described assistor comprises half body safety belt, elastic telescopic part, for being enclosed within the suspension member on whippletree, the anterior connection of waistband of the lower end of described elastic telescopic part and half body safety belt, the upper end of elastic telescopic part be connected for the suspension member being enclosed within on whippletree.Trainer uses this assistor, easily oneself completes chin-up action, grasps as early as possible the specification essential of exercise of chin-up, and can also prevent trainer in training because of the injury accident that meets accident of slipping out of the hand.

Chinese patent ZL201120436010.1 discloses a kind of chin-up auxiliary practice device, comprises framework, service creeper, and described service creeper is connected on framework by rotating shaft, one end of the back side linking springs of service creeper, the floor of the other end connecting frame of spring.The utility model chin-up auxiliary practice device has several functions, and can be more conveniently for physical culture person taking exercise.

Above-mentioned two kinds of trainers are mainly to do people the action that chin-up when action adopts the elastic force of spring to help people to complete chin-up, the feature of the elastic force of spring be spring-compressed when larger elastic force larger, and not controlled by user, people are in the time adopting this trainer to do chin-up, health is subject to elastic force maximum upwards below time, health is subject to elastic force minimum upwards while arriving the top, the auxiliary force that health is subject to is inhomogeneous, be unfavorable for that people take exercise, and when people's health moves up and down when very fast, due to the effect of inertia of elastic force, moving up and down of health is difficult for stopping, even there is potential safety hazard.

Summary of the invention

The invention provides a kind of chin-up trainer, its main purpose is to overcome the above-mentioned shortcoming of existing chin-up trainer.

The present invention adopts following technical scheme:

Chin-up trainer, comprise vertical setting four cylinder bodies arranging from left to right successively, in each cylinder body, be provided with the piston that can slide up and down in cylinder body, on each piston, be connected with the piston rod upwards vertically extending, each cylinder body forms the airtight chamber of containing fluid in the space of corresponding piston below, the space of top communicates with the external world, in each chamber, is full of fluid; The bottom that is positioned at the chamber of two cylinder bodies in left side interconnects, and the bottom that is positioned at the chamber of two cylinder bodies on right side also interconnects; The top that is positioned at the piston rod of two cylinder bodies at middle part is fixedly connected with a gripper shoe, and the piston rod part that is positioned at the cylinder body of the leftmost side and the rightmost side is connected with a cross bar.

Described each cylinder body is fixed on same substrate.

The cross section of described two cylinder bodies that are positioned at the leftmost side and the rightmost side is greater than the cross section of two cylinder bodies in the middle of being positioned at.

From the above-mentioned description to structure of the present invention, compared to the prior art, tool of the present invention has the following advantages: when use, user's both hands are held cross bar, pin steps down in gripper shoe, in the time that both hands are exerted oneself to cross bar downwards, power is through piston rod, the piston of cross bar below, be passed to piston, the piston rod of gripper shoe below by the fluid in the chamber of below, be delivered to again gripper shoe, whole human body is upwards pushed up, make people just can do chin-up by less power and move, be suitable for young, old or weakling and temper cucullaris, latissimus dorsi and the bicipital muscle of arm; The thrust upwards that gripper shoe of the present invention is subject to derives from user's both hands to the downward pulling force of cross bar, cross bar, gripper shoe move up and down steadily, slowly, safe and reliable, people easily control the speed of chin-up action freely, also can finish at leisure the action of chin-up.

Brief description of the drawings

Fig. 1 is perspective view of the present invention;

Fig. 2 is front view of the present invention;

Fig. 3 is cutaway view of the present invention;

Fig. 4 is the present invention's health cutaway view in the time of extreme lower position under use state;

Fig. 5 is the present invention's health cutaway view in the time of extreme higher position under use state.

Detailed description of the invention

Specific embodiments of the invention are described with reference to the accompanying drawings.

Chin-up trainer, referring to figs. 1 through Fig. 3, comprise vertical setting and be arranged in from left to right successively a cylinder body 1 on substrate 10, cylinder body 2, cylinder body 3, cylinder body 4, cylinder body 1, cylinder body 2, cylinder body 3, in cylinder body 4, be respectively equipped with the piston 11 that can corresponding slide up and down therein, piston 21, piston 31, piston 41, piston 11, piston 21, piston 31, on piston 41, be connected with respectively the piston rod 12 upwards vertically extending, piston rod 22, piston rod 32, piston rod 42, cylinder body 1, cylinder body 2, cylinder body 3, cylinder body 4 is in corresponding piston 11, piston 21, piston 31, the space of piston 41 belows forms respectively the airtight chamber 14 of containing fluid, chamber 24, chamber 34, chamber 44, the space of top communicates with the external world, chamber 14, chamber 24, chamber 34, in chamber 44, be full of fluid.

With reference to Fig. 3 to Fig. 5, the cylinder body 1, the chamber 14 of cylinder body 2, the bottom of chamber 24 that are positioned at left side interconnect, and are positioned at the cylinder body 3 on right side, the chamber 34 of cylinder body 4, the bottom of chamber 44 and also interconnect.Cylinder body 2 in the middle part of being positioned at, the piston rod 22 of cylinder body 3, the top of piston rod 32 are fixedly connected with a gripper shoe 23, and piston rod 42 tops that are positioned at the piston rod 12 of leftmost side cylinder body 1 and the cylinder body 4 of the rightmost side are connected with a cross bar 13.

With reference to Fig. 3, be the schematic diagram of this chin-up trainer under unused state, the fluid level in chamber 14, chamber 24, chamber 34, chamber 44 is equal, and its end face is in same level.The height of cylinder body 1, cylinder body 2, cylinder body 3, cylinder body 4 all equates, and cross section size is identical.Piston rod 12 and piston rod 42 equal in length, and can be designed to expansion link, to be adapted to the people of differing heights, piston rod 22 and piston rod 32 equal in length.

When use, user's both hands are grabbed on cross bar 13, and pin steps down in gripper shoe 23, and in the time that both hands are exerted oneself to cross bar 13 downwards, power is passed to gripper shoe 23 through fluid, and the direction of exerting all one's strength is from becoming downwards upwards, and human body is upwards pushed up.With reference to Fig. 4, cross bar 13 is positioned at extreme higher position, and gripper shoe 23 is positioned at extreme lower position, and user's arm is in extended configuration; With reference to Fig. 5, cross bar 13 is positioned at extreme lower position, and gripper shoe 23 is positioned at extreme higher position, and user's arm is in case of bending.

An alternative embodiment of the invention is that the cross section that is positioned at the cylinder body 1 of the leftmost side and the cylinder body 4 of the rightmost side is greater than the cylinder body 2 in the middle of being positioned at, the cross section of cylinder body 3, and ratio can be decided according to the actual requirements.The benefit of this structure is that the distance that can make cross bar 13 move up and down is less than the distance that gripper shoe 23 moves up and down, and like this closer to actual conditions, because real chin-up action is that hand is motionless, and health moves up and down.

Above are only specific embodiments of the invention, obviously, concrete structure of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.

Claims

1. chin-up trainer, it is characterized in that: comprise vertical setting four cylinder bodies arranging from left to right successively, in each cylinder body, be provided with the piston that can slide up and down in cylinder body, on each piston, be connected with the piston rod upwards vertically extending, each cylinder body forms the airtight chamber of containing fluid in the space of corresponding piston below, the space of top communicates with the external world, in each chamber, is full of fluid; The bottom that is positioned at the chamber of two cylinder bodies in left side interconnects, and the bottom that is positioned at the chamber of two cylinder bodies on right side also interconnects; The top that is positioned at the piston rod of two cylinder bodies at middle part is fixedly connected with a gripper shoe, and the piston rod part that is positioned at the cylinder body of the leftmost side and the rightmost side is connected with a cross bar.

2. chin-up trainer as claimed in claim 1, is characterized in that: described each cylinder body is fixed on same substrate.

3. chin-up trainer as claimed in claim 1, is characterized in that: described in be positioned at two cylinder bodies of the leftmost side and the rightmost side cross section be greater than the cross section of two cylinder bodies in the middle of being positioned at.