CN114917547B

CN114917547B - Body-building equipment with dynamics is adjusted and buffering function slows down

Info

Publication number: CN114917547B
Application number: CN202210666727.8A
Authority: CN
Inventors: 王江
Original assignee: Zhejiang Puhui Electronic Technology Co ltd
Current assignee: Zhejiang Puhui Electronic Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-10-03
Anticipated expiration: 2042-06-14
Also published as: CN114917547A

Abstract

The invention relates to the technical field of fitness equipment, in particular to fitness equipment with force adjusting and speed reducing buffering functions. Aims at solving the technical problems that the speed of seat resetting is higher than that of seat stepping-off, legs are easy to straighten and knee joints are easy to buckle inwards to cause damage to the knee joints in the process of exercise. The method is realized by the following technical scheme: the utility model provides a body-building apparatus with dynamics is adjusted and speed reduction buffering function, including fixed mounting frame, fixed mounting frame's lower part is provided with two symmetrical mounting panels, and the opposite side of two mounting panels all is connected with the decelerator assembly, is connected with the swing arm on the decelerator assembly, is provided with adjusting part on the swing arm. According to the invention, the first extrusion piece is used for downwards moving and extruding the adjacent friction blocks, so that the contact area of the friction blocks and the annular speed reduction shell is increased, the annular speed reduction shell rotates anticlockwise and is matched with the friction blocks, swing and speed reduction of the swing arm to the right lower side is realized, the aim of slow reset is achieved, and the damage to a body caused by too high reset speed is avoided.

Description

Body-building equipment with dynamics is adjusted and buffering function slows down

Technical Field

The invention relates to the technical field of fitness equipment, in particular to fitness equipment with force adjusting and speed reducing buffering functions.

Background

The sitting and pedaling device is a common body-building equipment in outdoor sports fitness places, has the main functions of exercising thigh muscles and enhancing waist strength, is used in a correct mode, is quick when being used for pedaling off a seat, is slow in seat resetting process, and particularly needs to pay attention to that legs cannot be straightened and knee joints cannot be buckled inwards in the process of exercising by using the sitting and pedaling device, and moves towards the toe direction as much as possible to exercise.

When the traditional sitting and pedaling device is used, the user can pedal the seat by the force of two legs and reset the seat to finish an exercise action, in the process of resetting the seat, the speed of the seat reset is faster than the speed of the pedal-off of the seat due to the self gravity action of the user, the mode is opposite to the correct use mode, the knee joint can be damaged after long-time exercise by the mode, the traditional sitting and pedaling device has no function of decelerating the swing reset, so that the user does not pay attention to the exercise process, the problems that the legs are easy to straighten, the knee joint is easy to buckle inwards, the speed of the seat reset is too fast and the like in the process of pedaling the seat by the force of the legs, and the knee joint can be damaged after long-time exercise.

Disclosure of Invention

Therefore, the invention aims to overcome the defects that the chair is reset faster than the chair is kicked off, the legs are easy to straighten and the knee joint is easy to buckle inwards to cause damage to the knee joint in the process of exercise, thereby providing the body-building equipment with the functions of adjusting the strength and reducing the speed and buffering.

The technical aim of the invention is realized by the following technical scheme: the utility model provides a body-building equipment with dynamics regulation and speed reduction buffer function, including the fixed mounting frame, the lower part of fixed mounting frame is provided with the running-board of two symmetries, the upper portion of fixed mounting frame is provided with the mounting panel of two symmetries, two mounting panel inboards are equipped with the swing arm, spout and sliding tray have been seted up respectively to the front and back two walls of swing arm, and the sliding tray in the swing arm is located the upside of its spout, the hand frame is all installed to the front and back two walls of swing arm, and the hand frame in the swing arm is located the upside of its spout, the left part of swing arm is connected with two symmetrical fixed plates, a plurality of supporting spring's upper end has the bedplate all installed to the last backup plate of every fixed plate, the backup plate is located the left side of bedplate on the swing arm, the opposite side of two mounting panels all is connected with the reducing assembly, reducing assembly and swing arm rigid coupling, be provided with adjusting assembly on the swing arm, adjusting assembly and reducing assembly cooperate, according to the speed of user's weight self-adjusting motion, be fit for different personnel and use.

Further, the speed reducing assembly comprises a cross, the cross is connected to the rear side of the mounting plate, an annular speed reducing shell is sleeved on the cross, four guide rods are arranged on the cross in a circumferential sliding mode, guide rail frames are fixedly connected to each guide rod, springs are fixedly connected between each guide rail frame and the adjacent cross, a plurality of springs are sleeved on the outer sides of the adjacent guide rods respectively, friction blocks are arranged on each guide rail frame in a sliding mode, first springs are fixedly connected between each friction block and the adjacent mounting plate, and wedge-shaped contact blocks are arranged on the rear side of each friction block.

Further, the inner ring surfaces of the annular speed reduction shell are rough surfaces for increasing friction force between the friction blocks and the annular speed reduction shell.

Further, the friction coefficient of the arc-shaped surface on the front and rear adjacent friction blocks is gradually increased from the back end to the outer adjacent end, so that the upward swinging friction force of the swing arm is relieved.

Further, the adjusting component is including special-shaped frame, special-shaped frame sets up in the swing arm, the right part of special-shaped frame passes the right part of swing arm and rather than sliding connection, the left part rigid coupling of swing arm has a plurality of slide bar, the downside of swing arm is run through respectively to the lower extreme of every slide bar and rather than sliding connection, the outside of every slide bar all overlaps the second spring, every second spring respectively with swing arm and special-shaped frame rigid coupling, the downside of bedplate passes through connecting plate and special-shaped frame rigid coupling, the connecting plate runs through the swing arm and rather than sliding connection, the rigid coupling has the third spring between the upper right part of special-shaped frame and the upper right part of swing arm, the rigid coupling has the mount between two mounting panels, the mount is located the right side of annular reducing gear, the left part slip of mount is equipped with first extrusion, the wedge contact block contact cooperation of first extrusion and adjacent clutch blocks, the rigid coupling has two symmetrical fourth springs between first extrusion, the lower part and the upper right end rotation of special-shaped frame are connected.

Further, still including the locating piece, the locating piece is equipped with a plurality of, and the equal rigid coupling of a plurality of locating piece is in the right part of swing arm, and spacing draw-in groove has all been seted up to the right part of every locating piece, and a plurality of swing frame is installed through the connecting block rotation in the upper portion of fixed mounting bracket, all installs the extension spring that is used for increasing exercise intensity on every swing frame, and the left end of every extension spring all is connected with the spacing fixture block that is used for the extension spring to fix, and spacing fixture block is spacing cooperation on every spacing fixture block and the adjacent locating piece respectively.

Further, still including the swinging plate, the swinging plate is installed through the bull stick pivoted in the upper portion in the fixed mounting frame, the spout has been seted up on the upper portion of swinging plate, the right part slip of mount is equipped with the second extrusion piece, the second extrusion piece is located the right side of first extrusion piece, be connected with the fifth spring of two symmetries between second extrusion piece and the mount, the pin pole has been inlayed at the right part of second extrusion piece, the pin pole slip of second extrusion piece sets up in the spout on the swinging plate, the right flank of every spacing fixture block all rigid coupling has the stay cord, every stay cord passes adjacent extension spring, swinging frame and fixed mounting frame and swinging plate rigid coupling respectively.

Further, two isosceles trapezoid extrusion parts are arranged on the first extrusion part and the second extrusion part, and the extrusion parts are used for pushing adjacent friction blocks to be away from each other.

Further, the swing arm is further provided with two spring blocks, the two spring blocks are respectively connected in the two sliding grooves of the swing arm, each spring block is provided with a rotating plate through a rotating rod in a rotating mode, the lower portion of each rotating plate is provided with a swinging rod in a rotating mode, each swinging rod is provided with two bearing frames in a rotating mode, and two symmetrical connecting springs are connected between the adjacent bearing frames in a rotating mode.

Further, the device also comprises a hand rest, wherein the hand rest is rotatably arranged at the lower part of the left wall of the fixed mounting frame, two guide blocks are arranged at the upper part of the fixed mounting frame, and the two guide blocks are respectively arranged in two sliding grooves on the swing arm in a sliding way.

In summary, the technical scheme of the invention has the following advantages: according to the invention, the speed reducing assembly is matched with the adjusting assembly, a supporting spring is utilized to provide a certain supporting force for the seat plate, the seat plate moves downwards to enable the special-shaped frame to move downwards through the connecting block, the first extrusion piece moves downwards to extrude the adjacent friction block, the contact area between the friction block and the annular speed reducing shell is increased, the annular speed reducing shell rotates anticlockwise to be matched with the friction block, the swing arm swings downwards to reduce the speed to the right, the purpose of slow reset is achieved, and the damage to a body caused by too high reset speed is avoided; the tension springs are selected, so that the exercise intensity is automatically adjusted, the aim of being suitable for different people is fulfilled, the contact area between the friction blocks and the annular speed reduction shell is gradually reduced in the swing arm resetting process by utilizing the cooperation of the second extrusion piece and the friction blocks, the tension of the tension springs is counteracted in the arm resetting process, and the aim of slow resetting is fulfilled; the supporting frame is matched with the connecting spring, so that the leg straightening and the knee joint buckling are avoided in the training process, and the aims of correctly training and protecting the knee joint are achieved; the hand support is utilized to provide assistance through the hands in the subsequent exercise process, so that the subsequent exercise is completed.

Drawings

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

FIG. 2 is a schematic cross-sectional perspective view of the present invention;

FIG. 3 is a schematic cross-sectional perspective view of an adjustment assembly of the present invention;

FIG. 4 is an enlarged perspective view of the present invention A;

FIG. 5 is an enlarged perspective view of the present invention B;

FIG. 6 is a schematic perspective view of a first extrusion of the adjustment assembly of the present invention;

FIG. 7 is a schematic perspective view of a second extrusion of the present invention;

FIG. 8 is a schematic perspective view of a carriage of the present invention;

fig. 9 is a schematic perspective view of the walking frame of the present invention.

Reference numerals illustrate: 1-fixed mounting frame, 2-foot pedal, 3-mounting plate, 4-swing arm, 5-fixed plate, 6-supporting spring, 7-seat plate, 8-speed reduction assembly, 801-cross, 802-annular speed reduction shell, 803-guide rod, 804-guide rail frame, 805-friction block, 806-first spring, 9-adjusting assembly, 901-special-shaped frame, 902-slide bar, 903-second spring, 904-connecting plate, 905-third spring, 906-fixed frame, 907-first extrusion piece, 908-fourth spring, 10-positioning block, 11-swing frame, 12-tension spring, 13-limit clamping block, 14-swing plate, 15-second extrusion piece, 16-fifth spring, 17-pull rope, 18-spring block, 19-rotating plate, 20-swing rod, 21-bearing frame, 22-connecting spring, 23-hand frame and 24-guide block.

Detailed Description

The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Example 1

The utility model provides a body-building equipment with dynamics regulation and speed reduction buffer function, as shown in fig. 1-6, including fixed mounting frame 1, fixed mounting frame 1's lower part is provided with two running-board 2 of fore-and-aft symmetry, two running-board 2 are left side low right side high slope, fixed mounting frame 1's upper portion is provided with two mounting panels 3 of fore-and-aft symmetry, two mounting panel 3 inboard is equipped with swing arm 4, swing arm 4 and fixed mounting frame 1 contact cooperation, the spout and the sliding tray that are used for the direction are offered respectively to the front and back wall of swing arm 4, and the sliding tray on swing arm 4 is located the upside of its spout, the hand frame on swing arm 4 all installs the hand frame, and the hand frame on swing arm 4 is located the upside of its spout, the left part welding of swing arm 4 has two front and back symmetry's fixed plate 5, two supporting springs 6 are all installed to the upside of every fixed plate 5, the upper end of two supporting springs 6 is fixedly connected with bedplate 7 through the bolt, install the swing arm 4 backup plate on the swing arm 7 left side, the same mounting panel 3 side is offered and is used for guiding and sliding tray is connected with 8 respectively, the body weight reducing assembly is used for the body weight reducing assembly 8, the body weight reducing assembly is not suitable for the weight adjusting assembly 9 to use by the personnel, the body weight reducing assembly is suitable for adjusting the weight assembly 9, the weight of the person is adjusted by the person, and is different from the body reducing assembly is suitable for the weight assembly 9.

As shown in fig. 5, the speed reducing assembly 8 comprises a cross 801, the cross 801 is connected to the rear side of the mounting plate 3, an annular speed reducing shell 802 is sleeved on the outer side of the cross 801, the inner ring surface of the annular speed reducing shell 802 is provided with a rough surface, four guide rods 803 are circumferentially arranged on the cross 801 in a sliding mode, the four guide rods 803 are arranged to rotate anticlockwise, a guide rail frame 804 is fixedly connected to each guide rod 803, a spring is fixedly connected between each guide rail frame 804 and the adjacent cross 801, the four springs are sleeved on the outer side of each guide rod 803, friction blocks 805 are slidably arranged on each guide rail frame 804, each friction block 805 is arranged to be in contact fit with the inner ring surface of the annular speed reducing shell 802, the friction coefficients of the arc surfaces of the front friction block 805 and the rear friction block 805 are gradually increased from one end which is outwards adjacent to the other, a first spring 806 is fixedly connected between each friction block 805 and the adjacent mounting plate 3, a wedge-shaped block 802 is arranged on the rear side of each guide rail frame 804 respectively, the friction blocks are in contact with the annular speed reducing shell 805, and the annular speed reducing shell 805 is in contact with the annular speed reducing shell 805 in a clockwise direction, and the friction blocks 802 are in a tight contact with the annular speed reducing shell 805 in a rolling mode, and the annular speed reducing shell 802 is in a tight contact with the annular speed reducing shell 802.

As shown in fig. 3-6, the adjusting component 9 includes a special-shaped frame 901, the special-shaped frame 901 is disposed in the swing arm 4, the right portion of the special-shaped frame 901 passes through the right portion of the swing arm 4 and is in sliding connection with the same, a third spring 905 is fixedly connected between the right upper portion of the special-shaped frame 901 and the right upper portion of the swing arm 4, six sliding rods 902 are fixedly connected to the left portion of the swing arm 4, the lower end of each sliding rod 902 respectively penetrates through the lower side surface of the swing arm 4 and is in sliding connection with the lower side surface of the swing arm 4, six second springs 903 are respectively sleeved on the outer sides of the six sliding rods 902, the lower side surface of the seat plate 7 is fixedly connected with the special-shaped frame 901 through a connecting plate 904, the connecting plate 904 penetrates through the swing arm 4 and is in sliding connection with the same, a fixing frame 906 is welded between the two mounting plates 3, the fixing frame 906 is located on the right side of the annular speed reducing shell 802, a first extrusion 907 is slidably arranged on the left portion of the fixing frame 906, the first extrusion 907 is in contact fit with a wedge-shaped contact block of the adjacent friction block 805, two fourth springs 908 are fixedly connected between the first extrusion 907 and the fixing frame 906, the lower side of the first extrusion 907 is respectively, the lower side of the first extrusion 907 is fixedly connected with the upper end of the adjacent extrusion block 805 is in front and the same, the upper side of the extrusion block is in a downward direction, the friction block is further away from the annular extrusion block 805, and the upper end of the extrusion block is further separated from the extrusion block 805.

When a user moves through the invention, the user sits on the seat plate 7 at first, and makes the feet respectively placed on the two pedals 2, after the user sits on the seat plate 7, the seat plate 7 moves downwards under the action of the weight of the user, the supporting springs 6 are compressed along with the seat plate 7, the special-shaped frame 901 and the sliding rod 902 move downwards through the connecting plate 904, the second springs 903 and the third springs 905 are compressed along with the seat plate 7, the special-shaped frame 901 moves downwards to drive the first extrusion piece 907 to move downwards, the first extrusion piece 907 extrudes adjacent friction blocks 805 away from each other, the first springs 806 compress along with the first springs, at the moment, the contact area between the friction blocks 805 and the annular reduction shell 802 is increased, then the user holds two handrail frames on the swing arm 4 respectively, then the leg is forced to swing upwards to the left by using the swing arm 4, the annular reduction shell 802 rotates clockwise, the friction blocks 805 on the inner side of the annular reduction shell 802 move downwards, the guide rail frame 804 moves downwards, the friction blocks 805 on the inner side of the cross frame 801 move downwards, the left side of the cross frame 801 moves upwards, the friction blocks 805 move upwards along with the left, the left side of the annular reduction shell 802 does not move downwards, the friction blocks on the lower side of the swing downwards, the left side of the swing arm 802 is forced upwards by the swing downwards, the friction blocks on the left side of the swing downwards, the annular reduction shell 802 does not move upwards, the left side of the friction blocks on the side of the swing downwards, and the friction blocks on the left side of the swing body 802 is forced by the left, the friction shell is not, the left, the friction blocks are forced on the left, and the left side of the friction shell is rotated, and the left, and the friction force is rotated, and the left, and is rotated downwards and is rotated. The friction block 805 is tightly contacted with the inner annular surface of the annular speed reducing shell 802, the friction block 805 is matched with the annular speed reducing shell 802 to reduce the speed of swinging the swinging arm 4 to the right lower side, the damage to the body caused by the too high swinging speed of the swinging arm 4 to the right lower side is avoided, the exercise actions of high speed and low speed in the recovery process during the pedaling out are realized, the feet of a user continuously exert force to bend and stretch the legs and circularly reciprocate to perform the double-leg bending and stretching exercise, after the exercise is completed, the feet of the user leave the pedal plate 2 and leave the seat plate 7, at the moment, the special-shaped frame 901 moves and resets under the action of the second spring 903 and the third spring 905, the first extrusion piece 907 moves upwards and resets to avoid the friction block 805, the friction block 805 resets under the action of the first spring 806, and meanwhile the support spring 6 resets the seat plate 7.

Example 2

On the basis of embodiment 1, as shown in fig. 3 and 7, the device further comprises positioning blocks 10, the positioning blocks 10 are provided with three and vertically arranged, the three positioning blocks 10 are fixedly connected to the right part of the swing arm 4, the right part of each positioning block 10 is provided with a limiting clamping groove for limiting, the upper part of the fixed mounting frame 1 is rotatably provided with three swinging frames 11 and vertically arranged through connecting blocks, each swinging frame 11 is provided with a tension spring 12 for increasing the exercise intensity, when the user exercises, according to the condition of the user, the user selects tension springs 12 with different heights or selects a plurality of tension springs 12 for exercise, the exercise demands of different users are realized, the left end of each tension spring 12 is connected with a limiting clamping block 13 for fixing the tension spring 12, and each limiting clamping block 13 is in limiting fit with the limiting clamping groove on the adjacent positioning block 10.

As shown in fig. 2, 6 and 7, the device further comprises a swinging plate 14, the upper part in the fixed mounting frame 1 is provided with the swinging plate 14 through a rotating rod in a rotating way, the upper part of the swinging plate 14 is provided with a sliding groove, the right part of the fixed frame 906 is slidably provided with a second extrusion piece 15, the second extrusion piece 15 is positioned on the right side of the first extrusion piece 907, two fifth springs 16 which are vertically symmetrical are connected between the second extrusion piece 15 and the fixed frame 906, the right part of the second extrusion piece 15 is embedded with a pin rod, the pin rod of the second extrusion piece 15 is slidably arranged in the sliding groove on the swinging plate 14, the right side surface of each limit clamping block 13 is fixedly connected with a pull rope 17, each pull rope 17 respectively penetrates through an adjacent tension spring 12, the swinging frame 11 and the fixed mounting frame 1 to be fixedly connected with the swinging plate 14, the swinging arm 4 swings leftwards and upwards through a positioning block 10, the limit clamping blocks 13 and the pull rope 17, so that the lower part of the swinging plate 14 swings leftwards, the second extrusion piece 15 moves rightwards and extrusions adjacent friction blocks 805 to be far away, and the contact area of the friction blocks 805 and the annular speed reduction shell 802 is increased.

Before exercising, a user clamps a proper amount of limiting clamping blocks 13 into limiting clamping grooves on adjacent positioning blocks 10 respectively according to the self condition, limiting fixation of a tension spring 12 is completed, so the intensity of exercise is adjusted, the limiting clamping blocks 13 move leftwards upwards through the positioning blocks 10 when the swing arm 4 swings leftwards, the tension spring 12 stretches along with the limiting clamping blocks, the lower part of the swing plate 14 is pulled to the left through a pull rope 17 to swing leftwards along with the swing arm 4 in the moving process of the swing arm 4, the second extrusion piece 15 moves rightwards along with the swing of the upper part of the swing plate 14 and extrusions adjacent friction blocks 805 away from each other, the fifth spring 16 compresses along with the limiting clamping blocks, the contact area between the friction blocks 805 and an annular reduction gear 802 is increased, the tension of the tension spring 12 is reduced along with the swing arm 4 when the swing arm 4 swings rightwards, the second extrusion piece 15 moves leftwards under the elastic force of the action of the fifth spring 16, the second extrusion piece 15 gradually releases the extrusion of the friction blocks 805, the friction blocks 805 gradually reset under the action of the first spring 806, after the swing arm 4 swings leftwards, the second extrusion piece 15 and the friction blocks 805 reset along with the lower part of the pull rope, the friction blocks reset along with the reset 4 gradually, the friction blocks reset along with the reset force of the annular extrusion blocks 805 gradually, and the reduction of the friction blocks reach the impact force of the swing arm 4, and the impact on the side of the swing arm 4, and the loss is reduced, and the impact on the side is reduced, and the loss of the friction force is reduced, and the loss is caused to the loss, and the loss caused, and the loss of the friction loss occurs, and the friction loss occurs.

Example 3

On the basis of embodiment 2, as shown in fig. 1 and 8, the device further comprises spring blocks 18, the spring blocks 18 are provided with two symmetrical connecting springs 22, the two spring blocks 18 are respectively connected in two sliding grooves of the swing arm 4, the spring blocks 18 and the sliding grooves of the swing arm 4 slide in a limiting manner, the lower part of each spring block 18 is rotatably provided with a rotating plate 19 through a rotating rod, the lower part of each rotating plate 19 is rotatably provided with a swinging rod 20, each swinging rod 20 is rotatably provided with two bearing frames 21, two symmetrical connecting springs 22 are rotatably connected between the adjacent bearing frames 21, and the two bearing frames 21 prevent legs from being straightened or buckling in knee joints in the exercise process through the connecting springs 22.

As shown in fig. 1 and 9, the device further comprises a hand rest 23, the hand rest 23 is rotatably mounted on the lower portion of the left wall of the fixed mounting frame 1, two guide blocks 24 which are symmetrical front and back are arranged on the upper portion of the fixed mounting frame 1, the two guide blocks 24 are respectively arranged in two sliding grooves on the swing arm 4 in a sliding mode, the hand rest 23 is pressed downwards by hand force, so that assistance is provided for the swing arm 4 to swing leftwards and upwards, multiple times of exercise motions are carried out under the support of auxiliary force, and leg force is not enough after a period of exercise is avoided.

During exercise, a user sits on the seat plate 7, legs are respectively put on the bearing frames 21 on the front side and the rear side, feet are placed on the foot pedals 2, then the user repeats the operation to exercise, in the subsequent process of exercise, the user holds the hand support 23 by both hands and presses the hand support 23 downwards by the strength of hands, thus assisting the swing arm 4 to swing leftwards and upwards, the problem that the legs cannot be supported by the two bearing frames 21 after a period of exercise, the problem that the legs are straightened or the knee joints are buckled in the process of exercise is solved, the purpose of protecting the knee joints is achieved, and after the exercise is finished, the user is far away from the invention.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a body-building equipment with dynamics regulation and speed reduction buffering function, including fixed mounting bracket (1), the lower part of fixed mounting bracket (1) is provided with running-board (2) of two symmetries, the upper portion of fixed mounting bracket (1) is provided with mounting panel (3) of two symmetries, two mounting panel (3) inboard are equipped with swing arm (4), spout and sliding tray have been seted up respectively to the front and back two walls of swing arm (4), and the sliding tray on swing arm (4) is located the upside of its upper spout, the hand frame is all installed to the front and back two walls of swing arm (4), and the hand frame on swing arm (4) is located the upside of its upper spout, the left part of swing arm (4) is connected with two symmetrical fixed plates (5), the up side of every fixed plate (5) is all installed a plurality of supporting spring (6), the upper end rigid coupling of a plurality of supporting spring (6) has bedplate (7), install the backup plate on swing arm (4), the backup plate is located the left side of bedplate (7), characterized in that the reduction assembly (8) is equipped with, reduction assembly (8) are equipped with, reduction assembly (9) are all installed in two sets of reduction assembly (8) and are adjusted in the rigid coupling with reduction assembly (9) on two sides (8), the speed of the movement is automatically regulated according to the weight of the user, so that the device is suitable for different people to use;

the speed reducing assembly (8) comprises a cross (801), the cross (801) is connected to the rear side face of the mounting plate (3), an annular speed reducing shell (802) is sleeved on the cross (801), four guide rods (803) are circumferentially arranged on the cross (801) in a sliding mode, guide rail frames (804) are fixedly connected to each guide rod (803), springs are fixedly connected between each guide rail frame (804) and the adjacent cross (801), a plurality of springs are sleeved on the outer side of the adjacent guide rod (803) respectively, friction blocks (805) are fixedly connected to each guide rail frame (804) in a sliding mode, first springs (806) are fixedly connected between each friction block (805) and the adjacent mounting plate (3), and wedge-shaped contact blocks are arranged on the rear side face of each friction block (805); the adjusting component (9) comprises a special-shaped frame (901), the special-shaped frame (901) is arranged in a swing arm (4), the right part of the special-shaped frame (901) passes through the right part of the swing arm (4) and is in sliding connection with the right part of the swing arm, a plurality of sliding rods (902) are fixedly connected with the left part of the swing arm (4), the lower end of each sliding rod (902) respectively passes through the lower side surface of the swing arm (4) and is in sliding connection with the lower side surface of the swing arm (902), the outer side of each sliding rod (902) is sleeved with a second spring (903), each second spring (903) is respectively fixedly connected with the swing arm (4) and the special-shaped frame (901), the lower side surface of a seat plate (7) is fixedly connected with the special-shaped frame (901) through a connecting plate (904), the connecting plate (904) penetrates through the swing arm (4) and is in sliding connection with the connecting plate, a third spring (905) is fixedly connected between the right upper part of the special-shaped frame (901) and the right upper part of the swing arm (4), a fixing frame (906) is fixedly connected with the right side of an annular speed reducing shell (802), a fixing frame (906) is fixedly connected with two mounting plates (3) respectively, the fixing frame (906) is arranged on the right side of the annular speed reducing shell (802), the right side of the annular speed reducing shell (906), the fixing frame (906) is slidingly provided with a first extrusion block (907), the first extrusion block (907) is in sliding contact with a symmetrical extrusion block (907), the first extrusion block (907), the extrusion block (907) and the second extrusion block is contacted with the second extrusion block (906) and the third springs (906) and the extrusion device. The lower part of the first extrusion piece (907) is rotationally connected with the upper right end of the special-shaped frame (901).

2. The exercise machine with force adjusting and deceleration buffering functions according to claim 1, wherein the inner annular surfaces of the annular deceleration shell (802) are rough surfaces for increasing the friction between the friction block (805) and the annular deceleration shell (802).

3. The fitness equipment with the functions of force adjustment and deceleration buffering according to claim 1, wherein the friction coefficient of the arc-shaped surfaces of the front friction block and the rear friction block (805) is gradually increased from the back end to the adjacent end outwards, so that the friction force of the swing arm (4) swinging upwards is relieved.

4. The body-building equipment with the force adjusting and speed reducing buffering functions according to claim 1, further comprising positioning blocks (10), wherein the positioning blocks (10) are provided with a plurality of positioning blocks (10), the plurality of positioning blocks (10) are fixedly connected to the right parts of the swing arms (4), limiting clamping grooves are formed in the right parts of the positioning blocks (10), a plurality of swing frames (11) are rotatably arranged on the upper parts of the fixed mounting frames (1) through connecting blocks, tension springs (12) for increasing the exercise intensity are arranged on each swing frame (11), the left end of each tension spring (12) is connected with a limiting clamping block (13) for fixing the tension spring (12), and each limiting clamping block (13) is in limiting fit with the corresponding limiting clamping groove on the adjacent positioning block (10).

5. The fitness equipment with the force adjusting and speed reducing buffering functions according to claim 4, further comprising a swinging plate (14), wherein the swinging plate (14) is rotatably installed on the upper portion in the fixed mounting frame (1) through a rotating rod, a sliding groove is formed in the upper portion of the swinging plate (14), a second extrusion piece (15) is slidably arranged on the right portion of the fixed frame (906), the second extrusion piece (15) is located on the right side of the first extrusion piece (907), two symmetrical fifth springs (16) are connected between the second extrusion piece (15) and the fixed frame (906), a pin rod is embedded on the right portion of the second extrusion piece (15), the pin rod of the second extrusion piece (15) is slidably arranged in a groove on the swinging plate (14), pull ropes (17) are fixedly connected to the right side face of each limiting clamping block (13), and each pull rope (17) penetrates through an adjacent tension spring (12), the swinging frame (11) and the fixed mounting frame (1) to be fixedly connected with the swinging plate (14).

6. The exercise machine with force adjusting and decelerating buffer function as claimed in claim 5, wherein the first extrusion (907) and the second extrusion (15) are respectively provided with two isosceles trapezoid extrusion parts, and the extrusion parts are used for pushing the adjacent friction blocks (805) away from each other.

7. The fitness equipment with the force adjusting and decelerating buffer function according to claim 5, further comprising two spring blocks (18), wherein the two spring blocks (18) are respectively connected in two sliding grooves of the swing arm (4), each spring block (18) is provided with a rotating plate (19) through a rotating rod in a rotating mode, the lower portion of each rotating plate (19) is provided with a swinging rod (20) in a rotating mode, each swinging rod (20) is provided with two bearing frames (21) in a rotating mode, and two symmetrical connecting springs (22) are connected between the adjacent bearing frames (21) in a rotating mode.

8. The exercise machine with the force adjusting and decelerating buffer function according to claim 7, further comprising a hand rest (23), wherein the hand rest (23) is rotatably mounted on the lower portion of the left wall of the fixed mounting frame (1), two guide blocks (24) are arranged on the upper portion of the fixed mounting frame (1), and the two guide blocks (24) are respectively slidably arranged in two sliding grooves on the swing arm (4).