CN112023357A - Self-weight damping three-dimensional connecting rod mechanism of fitness equipment and fitness device - Google Patents
Self-weight damping three-dimensional connecting rod mechanism of fitness equipment and fitness device Download PDFInfo
- Publication number
- CN112023357A CN112023357A CN202010955142.9A CN202010955142A CN112023357A CN 112023357 A CN112023357 A CN 112023357A CN 202010955142 A CN202010955142 A CN 202010955142A CN 112023357 A CN112023357 A CN 112023357A
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- Prior art keywords
- rocker
- connecting rod
- main shaft
- self
- swing
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/068—User-manipulated weights using user's body weight
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/14—Platforms for reciprocating rotating motion about a vertical axis, e.g. axis through the middle of the platform
Abstract
The invention provides a self-weight damping three-dimensional connecting rod mechanism of a body-building device and a body-building device, belonging to the technical field of body-building equipment; comprises a column, a swing mechanism and a double-rocker link mechanism; the swing mechanism comprises a main shaft, a cam and a swing rod, one end of the main shaft is fixedly connected with the cam, the cam is provided with an arc-shaped groove, one end of the swing rod is provided with a rolling body, and the rolling body is positioned in the arc-shaped groove; the double-rocker link mechanism comprises a connecting rod, a first rocker and a second rocker, one end of the connecting rod is hinged with the first rocker, and the other end of the connecting rod is connected with the main shaft; one end of the second rocker is hinged with the upright post, and the other end of the second rocker is connected with the oscillating bar; the main shaft drives the arc-shaped groove to horizontally twist under the action of torque force, and the rolling bodies move up and down in the radian of the arc-shaped groove, so that the double-rocker link mechanism is driven to swing up and down; the device has simple structure, the user can overcome the self weight in the movement process, and the safety is higher.
Description
Technical Field
The invention belongs to the technical field of fitness equipment, and particularly relates to a self-weight damping three-dimensional connecting rod mechanism of a fitness device and a fitness device.
Background
Most of the existing fitness equipment adopts screw rod adjustment, steel wire rope traction and the like as a load lifting mechanism, the mechanism needs to be composed of auxiliary components such as a power arm, a pulley, a steel wire rope, a bearing rod, a weight block and the like, and the mechanism has the advantages of complex structure, more parts, large volume, complex operation and high maintenance cost; all this limits its use to gymnasiums and the like.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a self-weight damping three-dimensional connecting rod mechanism of a body building device and a body building device. Aims to provide a link mechanism for a body-building device, which has simple structure and high safety performance and overcomes the self weight.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A self-weight damping three-dimensional link mechanism of a body builder comprises an upright post, a swing mechanism and a double-rocker link mechanism; the swing mechanism comprises a main shaft, a cam and a swing rod, one end of the main shaft is fixedly connected with the cam, the cam is provided with an arc-shaped groove, one end of the swing rod is provided with a rolling body, and the rolling body is positioned in the arc-shaped groove; the double-rocker link mechanism comprises a connecting rod, a first rocker and a second rocker, one end of the connecting rod is hinged with the first rocker, and the other end of the connecting rod is connected with the main shaft; one end of the second rocker is hinged with the upright post, and the other end of the second rocker is connected with the oscillating bar; the main shaft drives the arc-shaped groove to horizontally twist under the action of torque force, and the rolling bodies move up and down in the radian of the arc-shaped groove, so that the double-rocker link mechanism is driven to swing up and down, and the double-rocker link mechanism is used for realizing the up-and-down driving of the self weight of a human body.
And in a further optimization, one end of the swing rod, which is far away from the rolling body, is provided with a rotating sleeve, a short shaft is arranged in the rotating sleeve, and the second swing rod is sleeved on the short shaft through a key and is connected with the rotating sleeve through the key.
Further optimization, the device also comprises a stress mechanism, wherein the stress mechanism is connected with the main shaft through a key, and the stress mechanism transmits the torsion to the main shaft to enable the main shaft to horizontally twist.
And in further optimization, a rotating sleeve connecting rod with an isolating and protecting function is arranged outside the swinging mechanism.
Furthermore, the rotating sleeve connecting rod is connected with the main shaft through a bearing.
Furthermore, the other end of the second rocker is hinged with a connecting sheet which is fixedly connected with the rotating sleeve connecting rod.
Preferably, the cam is a cylindrical cam.
An exercise device with the self-weight damping three-dimensional link mechanism of the exercise machine.
Compared with the prior art, the invention has the beneficial effects that.
The invention provides a self-weight damping three-dimensional connecting rod mechanism used on fitness equipment and a fitness device provided with the three-dimensional connecting rod mechanism. Meanwhile, the user can overcome the self weight in the process of movement, so that the situation of brute force exercise can not occur, the design meets the requirement of an exerciser on the load, the applicability of the equipment is increased, the reliability of the equipment is improved, and the safety of the user is ensured more effectively and more reliably.
Drawings
FIG. 1 is a schematic structural diagram of a three-dimensional linkage mechanism with dead weight damping of an exercise machine in accordance with embodiment 1.
FIG. 2 is a side view of the arm power machine of example 1.
Fig. 3 is a schematic structural diagram of the spatial link mechanism with self-weight damping of the body building device in the embodiment 2.
Fig. 4 is a side view of the waist twisting machine according to embodiment 2.
In the figure, 1 is a column, 2 is a swing rod, 3 is a rolling body, 4 is a first bearing, 5 is a cylindrical cam, 6 is a main shaft, 7 is a rotating sleeve connecting rod, 8 is a second bearing, 9 is a screw, 10 is a rotating sleeve, 11 is a flat key, 12 is a first swing rod, 13 is a second swing rod, 14 is an armrest, 15 is a connecting piece, 16 is a rotating sleeve, 17 is a short shaft, 18 is a third bearing, 19 is a connecting rod, and 20 is a seat frame.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
Example 1
As shown in figures 1-2, it is a schematic diagram of a self-weight damping three-dimensional link mechanism of an exercise machine, the whole mechanism is connected to a column 1, and the main body of the mechanism is composed of the self-weight damping three-dimensional link mechanism, a seat frame 20 connected to the link mechanism, and a handrail 14 welded on a rotating sleeve 10. The seat frame 20 is connected with the connecting lug on the upright 1 through a connecting rod 19.
The self-weight damping three-dimensional connecting rod mechanism of the body builder comprises a swinging mechanism and a double-rocker connecting rod mechanism; the swing mechanism comprises a main shaft 6, a cylindrical cam 5 and a swing rod 2, wherein the main shaft 6 is vertically arranged, the bottom end of the main shaft 6 is welded with the cylindrical cam 5, an arc-shaped groove is formed in the upper surface of the cylindrical cam 5, the swing rod 2 is perpendicular to the main shaft 6, a rolling body 3 is arranged at the head of the swing rod 2, and the rolling body 3 is positioned in the arc-shaped groove; a rotating sleeve connecting rod 7 with the function of isolation and protection is arranged outside the swinging mechanism. The rotary sleeve connecting rod 7 is L-shaped, the main shaft 6, the cylindrical cam 5 and the swing rod 2 can be completely wrapped to form an enclosed body, the rotary sleeve connecting rod 7 is connected with the bottom end of the main shaft 6 through the first bearing 4, the top of the main shaft 6 is connected with one end of an extension shaft of the handrail 14 through the second bearing 8, the other end of the extension shaft of the handrail 14 is connected with the seat frame 20 through the third bearing 18, and the second bearing 8 is fixedly connected with the rotary sleeve connecting rod 7 through the screw 9. In order to ensure the safety in the operation process, the whole rotating body is hidden in the rotating sleeve connecting rod 7 and is fixed by a screw 9 to form a closed body.
The double-rocker link mechanism comprises a first rocker 12 and a second rocker 13, one end of the first rocker 12 is hinged with the connecting lug of the upright post 1, the other end of the first rocker 12 is hinged with a triangular connecting piece 15, and the connecting piece 15 is connected with the rotating sleeve connecting rod 7. One end of the second rocker 13 is hinged with the upright post 1, one end of the rocker 2, which is far away from the rolling body 3, is provided with a rotating sleeve 16, a short shaft 17 is arranged in the rotating sleeve 16, and the other end of the second rocker 13 is sleeved on the short shaft 17 through a key and is connected with the rotating sleeve 16 through the key.
During body building, a user sits on the seat frame 20, holds the left handrail 14 and the right handrail 14 with two hands, keeps the upper body still, rotates the handrails backwards with the right hand and the left hand, and transmits torque to the main shaft 6 through the handrails 14, so that the main shaft 6 is horizontally twisted. The main shaft 6 drives the arc-shaped groove to horizontally twist under the action of torque force, the rolling body 3 moves up and down in the radian of the arc-shaped groove, so that the double-rocker link mechanism is driven to swing up and down, and the seat frame 20 is upwards jacked up by the upper end face of the main shaft 6 through the third bearing 18. Thereby driving the relative position of the human body to be displaced and changed in the up-down direction. Only need the user through rotating the handrail, control the rotation about cylindrical cam 5, make 2 head rolling elements 3 of pendulum rod reciprocate along with cylindrical cam 5 radian, thereby drive two rocker link mechanism luffing motions, and then drive human relative position and take place the human dead weight damping structure of over-and-under type of displacement change in upper and lower direction, the load is the weight of human self promptly, the user is overcome the dead weight in the motion process and is moving, the condition of taking exercise with brute force can not appear, such design, the user who has satisfied the exerciser to the load is overcome the dead weight in the motion process, the condition of taking exercise with brute force can not appear, the suitability of equipment has been increased, the reliability of equipment has been improved.
Example 2
As shown in fig. 3-4, it is a waist twisting machine with self-weight damping solid link mechanism of body-building equipment, its whole mechanism is connected on the upright post 1, the waist twisting machine body is composed of self-weight damping solid link mechanism and seat frame 20 connected on the link mechanism, and armrest 14 welded on the upright post 1.
The self-weight damping three-dimensional connecting rod mechanism of the body builder comprises a swinging mechanism and a double-rocker connecting rod mechanism; the swing mechanism comprises a main shaft 6, a cylindrical cam 5 and a swing rod 2, wherein the main shaft 6 is vertically arranged, the bottom end of the main shaft 6 is welded with the cylindrical cam 5, an arc-shaped groove is formed in the upper surface of the cylindrical cam 5, the swing rod 2 is perpendicular to the main shaft 6, a rolling body 3 is arranged at the head of the swing rod 2, and the rolling body 3 is positioned in the arc-shaped groove; a rotating sleeve connecting rod 7 with the function of isolation and protection is arranged outside the swinging mechanism. The rotating sleeve connecting rod 7 is L-shaped, the main shaft 6, the cylindrical cam 5 and the swing rod 2 can be completely wrapped to form an enclosed body, the rotating sleeve connecting rod 7 is connected with the bottom end of the main shaft 6 through the first bearing 4, the top of the main shaft 6 is connected with the seat frame 20 through the second bearing 8, and the second bearing 8 is fixedly connected with the rotating sleeve connecting rod 7 through the screw 9. In order to ensure the safety in the operation process, the whole rotating body is hidden in the rotating sleeve connecting rod 7 and is fixed by a screw 9 to form a closed body.
The double-rocker link mechanism comprises a first rocker 12 and a second rocker 13, one end of the first rocker 12 is hinged with the connecting lug of the upright post 1, the other end of the first rocker 12 is hinged with a triangular connecting piece 15, and the connecting piece 15 is connected with the rotating sleeve connecting rod 7. One end of the second rocker 13 is hinged with the upright post 1, one end of the rocker 2, which is far away from the rolling body 3, is provided with a rotating sleeve 16, a short shaft 17 is arranged in the rotating sleeve 16, and the other end of the second rocker 13 is sleeved on the short shaft 17 through a key and is connected with the rotating sleeve 16 through the key.
During body building, a user sits on the seat frame 20 and twists his waist right and left, the seat frame 20 is connected with the main shaft 6 through the second bearing 8 and the flat key 11, and the seat frame 20 transmits torque to the main shaft 6, so that the main shaft 6 is twisted horizontally. The main shaft 6 drives the arc-shaped groove to horizontally twist under the action of torque force, and the rolling body 3 moves up and down in the radian of the arc-shaped groove, so that the double-rocker link mechanism is driven to swing up and down. Thereby driving the relative position of the human body to be displaced and changed in the up-down direction. Only need the user through self motion, control the horizontal rotation of cylindrical cam 5, make 2 head rolling elements 3 of pendulum rod reciprocate along with cylindrical cam 5 radian, thereby drive two rocker link mechanism luffing motions, and then drive human relative position and take place the human dead weight damping structure of over-and-under type of displacement change in the upper and lower direction, the load is the weight of human self promptly, the user is overcome the dead weight in the motion process and is moving, the condition of taking exercise with brute force can not appear, such design, the user who has satisfied the exerciser to the load is overcome the dead weight in the motion process, the condition of taking exercise with brute force can not appear, the suitability of equipment has been increased, the reliability of equipment has been improved.
While the invention has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A self-weight damping three-dimensional link mechanism of a body builder is characterized by comprising an upright post, a swing mechanism and a double-rocker link mechanism; the swing mechanism comprises a main shaft, a cam and a swing rod, one end of the main shaft is fixedly connected with the cam, the cam is provided with an arc-shaped groove, one end of the swing rod is provided with a rolling body, and the rolling body is positioned in the arc-shaped groove; the double-rocker link mechanism comprises a connecting rod, a first rocker and a second rocker, one end of the connecting rod is hinged with the first rocker, and the other end of the connecting rod is connected with the main shaft; one end of the second rocker is hinged with the upright post, and the other end of the second rocker is connected with the oscillating bar; the main shaft drives the arc-shaped groove to horizontally twist under the action of torque force, and the rolling bodies move up and down in the radian of the arc-shaped groove, so that the double-rocker link mechanism is driven to swing up and down, and the double-rocker link mechanism is used for realizing the up-and-down driving of the self weight of a human body.
2. The self-weight damping three-dimensional connecting rod mechanism of the body builder as claimed in claim 1, wherein a rotating sleeve is arranged at one end of the swing rod away from the rolling body, a short shaft is arranged in the rotating sleeve, and the second swing rod is sleeved on the short shaft through a key and connected with the rotating sleeve through the key.
3. The self-weight damping three-dimensional connecting rod mechanism of the body builder as claimed in claim 1, further comprising a force-receiving mechanism, wherein the force-receiving mechanism is connected with the main shaft through a key, and the force-receiving mechanism transmits the torque force to the main shaft, so that the main shaft is horizontally twisted.
4. The self-weight damping three-dimensional link mechanism of the fitness equipment as claimed in claim 3, wherein a rotating sleeve link rod for isolation and protection is arranged outside the swinging mechanism.
5. The self-weight damping three-dimensional link mechanism of an exercise machine as claimed in claim 4, wherein the rotating sleeve link is connected with the main shaft through a bearing.
6. The self-weight damping three-dimensional connecting rod mechanism of the body builder as claimed in claim 5, wherein the other end of the second rocker is hinged with a connecting piece, and the connecting piece is fixedly connected with the rotating sleeve connecting rod.
7. The self-weight damping spatial linkage mechanism of an exercise machine according to claim 1, wherein the cam is a cylindrical cam.
8. An exercise apparatus having a deadweight damped spatial linkage according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955142.9A CN112023357A (en) | 2020-09-11 | 2020-09-11 | Self-weight damping three-dimensional connecting rod mechanism of fitness equipment and fitness device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955142.9A CN112023357A (en) | 2020-09-11 | 2020-09-11 | Self-weight damping three-dimensional connecting rod mechanism of fitness equipment and fitness device |
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| CN112023357A true CN112023357A (en) | 2020-12-04 |
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| CN202010955142.9A Withdrawn CN112023357A (en) | 2020-09-11 | 2020-09-11 | Self-weight damping three-dimensional connecting rod mechanism of fitness equipment and fitness device |
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Application publication date: 20201204 |
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| WW01 | Invention patent application withdrawn after publication |