CN111375173A

CN111375173A - Multifunctional household strength type fitness equipment

Info

Publication number: CN111375173A
Application number: CN202010388709.9A
Authority: CN
Inventors: 杨振伟
Original assignee: Tianjin Miao Peanut Living Products Co ltd
Current assignee: Tianjin Miao Peanut Living Products Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-07-07

Abstract

The invention discloses multifunctional household strength type fitness equipment, which comprises front equipment supports which are arranged symmetrically in a left-right mode, rear equipment supports which are arranged symmetrically in a left-right mode and correspond to the front equipment supports in a left-right mode, wherein the rear equipment supports which correspond to the left-right mode are arranged behind the front equipment supports in the left-right mode, the lower positions of the rear equipment supports and the front equipment supports are fixedly connected through first support plates which are symmetrical in the left-right mode, and the rear equipment supports which are symmetrical in the left-right mode are fixedly connected through second support; the barbell bar can move up and down through the lifting devices which are arranged on the lifting rods in a sliding mode and are in bilateral symmetry, and the barbell bar can move up and down in a one-way direction through adjusting the pawls in the lifting devices, so that the barbell bar is suitable for different exercise modes.

Description

Multifunctional household strength type fitness equipment

Technical Field

The invention relates to the related technical field of fitness equipment, in particular to multifunctional family strength fitness equipment.

Background

Body-building is an important way for maintaining body health, so that a gymnasium becomes a very popular fitness place at present, because abundant fitness equipment is arranged in the gymnasium, but the gymnasium also has various inconveniences such as too far distance from home, too high cost, untimely time, inconvenient bath and the like when people go to the gymnasium to exercise body, and therefore, the fitness equipment in the gymnasium can be prepared in a limited space at home, so that the gymnasium is more advantageous.

Disclosure of Invention

The invention aims to provide a multifunctional household strength type fitness equipment, which is used for overcoming the defects in the prior art.

The multifunctional household strength type fitness equipment comprises front equipment supports which are vertically arranged in a bilateral symmetry mode, rear equipment supports which are arranged in a bilateral symmetry mode are correspondingly arranged behind the front equipment supports which correspond to each other in the bilateral symmetry mode, the rear equipment supports and the front equipment supports are fixedly connected through first support plates which are arranged in a bilateral symmetry mode at the lower positions, the rear equipment supports which are arranged in the bilateral symmetry mode are fixedly connected through second support plates, first sliding grooves are correspondingly arranged on the end faces, close to the second support plates, of one sides of the rear equipment supports which are arranged in the bilateral symmetry mode, a foldable bench press device is arranged between the first sliding grooves which correspond to the left and the right sides, concave 'shaped plates with forward openings are fixedly arranged at the top ends of the rear equipment supports which are arranged in the bilateral symmetry mode and the front equipment supports, lifting rod sliding is fixedly arranged between the left and right positions of the lower side end faces of the concave' shaped plates and the upper side end faces, the barbell device is characterized in that linear ratchet grooves are arranged up and down on a lifting slide bar body, a lifting device for driving a barbell bar to move up and down is arranged on the bar body of the lifting slide bar close to the upper side in a sliding mode, a limiting device capable of limiting the descending position of the barbell bar is arranged on the bar body of the lifting slide bar close to the lower side in a sliding mode, the dumbbell bars are symmetrically in threaded connection with the left end and the right end of the barbell bar, dumbbell pieces capable of being replaced freely are mounted on the bar bodies of the dumbbell bars, a single lever is fixedly mounted between the left concave wall and the right concave wall of the concave plate, and a rope stretching device is arranged between the left wall and the right.

On the basis of the technical scheme, the bench of bench pushing down includes that bilateral symmetry slidable mounting corresponds about rolling wheel in the spout, bilateral symmetry rotate the connection through an axis of rotation between the rolling wheel, slidable mounting has the buffering about leaning on the bottom position in the spout the slider of rolling wheel strength, the slider with be equipped with a spring between the diapire of spout No. one fixed mounting has the push pedal of crouching on the axle of an axis of rotation, the upside terminal surface of the push pedal of crouching is equipped with the cushion, fixed mounting has the lug on my front end terminal surface of push pedal, be equipped with in the upside terminal surface of No. two backup pads and pass through the lug will the push pedal of crouching is fixed the recess of No. two backup pads tops.

On the basis of the technical scheme, bench.

On the basis of the technical scheme, the lifting device comprises a lifting machine body which is arranged on the lifting rod in a bilateral symmetry mode through a one-number through groove which penetrates through the lifting machine body from top to bottom in a sliding mode, a fixed cavity which can fix the left end and the right end of the barbell rod is arranged in the front end face of the lifting machine body in the bilateral symmetry mode, the upper side wall of the fixed cavity is communicated with the upper side end face of the lifting machine body to form a threaded hole, the barbell rod can be locked in the threaded rod in the fixed cavity through threaded connection in the threaded hole, and a rotary button which can rotate manually is fixedly arranged at the top end of the threaded rod at the upper end of.

On the basis of the technical scheme, the lifting device also comprises a first linear ratchet cavity communicated with the first through groove and arranged in the lifting body at the rear side of the lifting rod, a first rotating block is rotatably arranged between the left wall and the right wall of the first linear ratchet cavity through a fourth rotating shaft, a first pawl meshed with the linear ratchet groove is fixedly arranged on the front side end face of the first rotating block, a first connecting rod with the front end hinged with the first rotating block is slidably arranged in the first rod hole in a front-back mode, a second spring is sleeved on the rod body of the first connecting rod in the first linear ratchet cavity, and a first pull plate capable of being manually pulled is fixedly arranged on the rear end of the first connecting rod behind the lifting body, a support groove which is communicated up and down is formed in the end face of the rear side of the first pulling plate, and a support short rod is installed between the left wall and the right wall of the upper position and the lower position of the support groove in a vertically corresponding mode through a fifth rotating shaft in a rotating mode.

On the basis of the technical scheme, the limiting device comprises a limiting machine body which is slidably arranged at the lower position of the lifting rod in bilateral symmetry through a second through groove which penetrates through the limiting machine body from top to bottom, a second linear ratchet cavity communicated with the second through groove is arranged in the limiting machine body, a second rotating block is rotatably arranged between the left wall and the right wall of the second linear ratchet cavity through a sixth rotating shaft, a second pawl meshed with the linear ratchet groove is fixedly arranged on the front side end face of the second rotating block, a second connecting rod with the front end hinged with the second rotating block is slidably arranged in the second rod hole from front to back, and a third spring is sleeved on the rod body of the second connecting rod in the second linear ratchet cavity, and a second pulling plate which can be manually pulled is fixedly mounted at the rear end of the second connecting rod behind the limiting machine body.

On the basis of the technical scheme, the limiting device further comprises a limiting plate which is elastically connected to the end face of the upper side of the limiting machine body through a fourth spring, and the limiting plate is slidably mounted on the rod body of the lifting rod through a third through groove which penetrates through the limiting plate from top to bottom.

On the basis of the technical scheme, the tensile rope device includes through being located the single lever rear side 'concave' shaped plate left and right sides wall on symmetry fixed mounting have a rotational pin, bilateral symmetry rotate on the axle body of a rotational pin and install a rope wheel, be located the single lever front side 'concave' shaped plate left and right sides wall on symmetry fixed mounting have a round rotational pin, bilateral symmetry rotate on the axle body of No. two rotational pins and install No. two rope wheels, bilateral symmetry the tensile rope of the last side end fixedly connected with of elevator body, control the correspondence the tensile rope corresponds through controlling a rope wheel with No. two rope wheels and the left and right sides position fixed connection of tensile board upside end, the tensile board is leaned on the front and back end intercommunication of intermediate position and is installed the tensile arm that can manually grip.

The invention has the beneficial effects that: the barbell bar can move up and down through the lifting devices which are arranged on the lifting rods in a bilateral symmetry mode in a sliding mode, the barbell bar can move upwards in a one-way direction and move up and down through adjustment of the pawls in the lifting devices, and the barbell bar is suitable for different exercise modes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a multi-functional home strength type fitness apparatus according to the present invention;

FIG. 2 is a schematic view of the structure in the direction of 'A-A' in FIG. 1;

FIG. 3 is an enlarged schematic view of the bench arrangement of FIG. 2;

FIG. 4 is an enlarged schematic view of the lifting device of FIG. 2;

fig. 5 is an enlarged schematic view of the stopper device of fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 5, a multifunctional household strength type fitness apparatus according to an embodiment of the present invention includes a front apparatus support 11 erected in a left-right symmetrical manner, a rear apparatus support 12 disposed in a left-right symmetrical manner and corresponding to a rear portion of the front apparatus support 11, a first support plate 15 disposed in a left-right symmetrical manner and corresponding to a lower portion between the rear apparatus support 12 and the front apparatus support 11, a second support plate 14 disposed in a fixed manner and corresponding to the rear apparatus support 12, a first slide groove 13 disposed in a side end surface of the rear apparatus support 12 adjacent to the second support plate 14, a foldable bench device 001 disposed between the first slide grooves 13, and a 'concave' plate 64 having a forward opening and fixed to a top end of the rear apparatus support 12 and the front apparatus support 11, a lifting rod slider 29 is fixedly arranged between the left and right positions of the lower end face of the 'concave' plate 64 and the upper end face of the first support plate 15 which is bilaterally symmetrical, linear ratchet grooves 30 are arranged up and down on the rod body of the lifting rod 29, a lifting device 002 which drives the barbell rod 37 to move up and down is slidably arranged on the rod body of the lifting rod 29 close to the upper side, a limiting device 003 which can limit the descending position of the barbell rod 37 is slidably arranged on the rod body of the lifting rod 29 close to the lower side, dumbbell rods 33 are symmetrically and threadedly connected to the left and right ends of the barbell rod 37, dumbbell pieces 31 which can be freely replaced are arranged on the rod body of the dumbbell rods 33, a single lever 67 is fixedly arranged between the left and right concave walls of the 'concave' plate 64, and a rope device 004 is stretched between the left and right walls of the 'concave' plate 64 at the front and.

In addition, in one embodiment, the bench press device 001 includes rolling wheels 18 which are bilaterally symmetrically and slidably mounted in the first sliding groove 13 corresponding to each other, the rolling wheels 18 which are bilaterally symmetric are rotatably connected with each other through a first rotating shaft 19, a sliding block 20 which can buffer the force of the rolling wheels 18 is vertically and slidably mounted at a position close to the bottom in the first sliding groove 13, a first spring 21 is arranged between the sliding block 20 and the bottom wall of the first sliding groove 13, a horizontal push plate 15 is fixedly mounted on the shaft body of the first rotating shaft 18, a cushion 17 is arranged on the upper side end surface of the horizontal push plate 15, a protrusion 25 is fixedly mounted on the front side end surface of the horizontal push plate 15, and a groove 13 which can fix the horizontal push plate 15 above the second support plate 14 through the protrusion 25 is arranged in the upper side end surface of the second support plate 14; therefore, the first rotating shaft 19 can be driven by the rolling wheel 18 to move up and down in the first sliding groove 13, the first rotating shaft 19 drives the rear end of the lying push plate 15 to lift up, and when the lying push plate 15 is vertical to the ground, the projection 25 is placed in the groove 13 to enable the lying push plate 15 to be vertically fixed above the second supporting plate 14.

In addition, in one embodiment, the bench press 001 further includes a third support plate 27 fixedly mounted on the lower end surface of the horizontal push plate 15 near the front position, a support friction block 28 capable of contacting with the ground is fixedly mounted at the bottom end of the third support plate 27, a curved plate 16 is fixedly mounted on the upper end surface of the horizontal push plate 15 near the front position, first rotary rubber wheels 22 which are bilaterally symmetrical and can be used for clamping legs are rotatably mounted on the lower positions of the left and right end surfaces of the curved plate 16 through a second rotary shaft 26, and second rotary rubber wheels 23 corresponding to the first rotary rubber wheels 22 are rotatably mounted on the upper positions of the left and right end surfaces of the curved plate 16 through a third rotary shaft 24; therefore, the supporting friction block 28 fixedly connected with the lower side end face of the horizontal push plate 15 through the third supporting plate 27 can support the horizontal push plate 15 to be parallel to the ground, and the first rotating rubber wheel 22 and the second rotating rubber wheel 23 which are vertically and correspondingly arranged on the left end face and the right end face of the curve plate 16 can clamp legs, so that a user can sit up conveniently.

In addition, in one embodiment, the lifting device 002 includes a lifting body 32 slidably mounted on the bilaterally symmetrical lifting rod 29 through a one-number through groove 38 passing through the lifting body up and down, a fixing cavity 36 capable of fixing both left and right ends of the barbell rod 37 is disposed in a front end face of the bilaterally symmetrical lifting body 32, a threaded hole 34 is disposed in communication between an upper side wall of the fixing cavity 36 and an upper end face of the lifting body 32, a threaded rod 35 capable of locking the barbell rod 37 in the fixing cavity 36 is connected to the threaded hole 34 through a thread, and a rotary button 33 capable of being manually rotated is fixed to a top end of the threaded rod 35 at an upper end of the lifting body 36; so that the barbell bar 37 can be placed in the fixed cavities 36 which are bilaterally symmetrical, and then the threaded rod 35 is driven to move downwards by manually rotating the rotary button 33, so that the barbell bar 37 is locked in the fixed cavities 36.

In addition, in an embodiment, the lifting device 002 further includes a first linear ratchet cavity 48 disposed in the lifter body at the rear side of the lifting rod 29 and communicated with the first through groove 38, a first rotating block 40 is rotatably mounted between the left wall and the right wall of the first linear ratchet cavity 48 through a fourth rotating shaft 49, a first pawl 39 engaged with the linear ratchet groove 30 is fixedly mounted on the front side end surface of the first rotating block 40, a first connecting rod 42 with the front end hinged to the first rotating block 40 is slidably mounted in the first rod hole 47 in the front-back direction, a second spring 41 is sleeved on the rod body of the first connecting rod 42 in the first linear ratchet cavity 48, and a first manually-pulling spring is fixedly mounted on the rear end of the first connecting rod 42 behind the lifter body 32 A support groove 43 which is communicated up and down is arranged in the rear end face of the first pulling plate 44, and a support short rod 45 is rotatably arranged between the left wall and the right wall of the support groove 43 at the upper position and the lower position correspondingly up and down through a fifth rotating shaft 46; therefore, when the elevator body 32 slides upwards on the shaft of the elevator rod 29, the first pawl 39 clings to the elevator rod 29 to slide upwards under the action of the second spring 41, when the elevator body 32 stops sliding upwards, the first pawl 39 is clamped into the linear ratchet groove 30 under the action of the second spring 41 to limit the elevator body 32 from sliding downwards, when the first pull plate 44 is pulled out backwards manually, the first pull plate 44 retracts the first pawl 39 into the linear ratchet cavity 48 through the first rotating block 40, then the vertically corresponding support short rod 45 is rotated to be in a vertical position with the rear end face of the elevator body 32, the first pull plate 44 cannot be reset under the support of the support short rod 45, and the elevator body 32 can slide upwards and downwards on the shaft of the elevator rod 29.

In addition, in one embodiment, the limiting device 003 includes a limiting body 50 slidably mounted at a lower position of the bilaterally symmetric lifting rod 29 through a second through slot 51 penetrating up and down, a second linear ratchet cavity 59 communicating with the second through slot 51 is provided in the limiting body 50, a second rotating block 53 is rotatably mounted between left and right walls of the second linear ratchet cavity 59 through a sixth rotating shaft 58, a second pawl 52 engaging with the linear ratchet groove 30 is fixedly mounted on a front side end surface of the second rotating block 53, a second connecting rod 56 having a front end hinged to the second rotating block 53 is slidably mounted in the second rod hole 55, a third spring 54 is sleeved on a rod body of the second connecting rod 56 in the second linear ratchet cavity 59, a second pulling plate 44 capable of being pulled manually is fixedly arranged at the rear end of the second connecting rod 55 positioned behind the limiting machine body 50; therefore, when the limiting body 50 slides upwards on the shaft of the lifting rod 29, the second pawl 52 is tightly attached to the lifting rod 29 under the action of the third spring 54 and slides upwards, when the limiting body 50 stops sliding upwards, the second pawl 52 is clamped into the linear ratchet groove 30 under the action of the third spring 54 to limit the limiting body 50 to slide downwards, and when the first pull plate 44 is pulled backwards manually, the limiting body 50 can be pulled to the bottom of the shaft of the lifting rod 29.

In addition, in one embodiment, the limiting device 003 further includes a limiting plate 61 elastically connected to the upper end surface of the limiting body 50 through a fourth spring 62, and the limiting plate 61 is slidably mounted on the shaft of the lifting rod 29 through a third through groove 60 penetrating up and down; therefore, the impact force generated when the elevator body 32 collides with the limiting body 50 can be buffered by the limiting plate 61 elastically connected to the limiting body 50 through the fourth spring 62.

In addition, in one embodiment, the tensile rope device 004 includes a first rotating pin 66 symmetrically and fixedly installed on the left and right walls of the 'concave' plate 64 located at the rear side of the single lever 67, a first rope wheel 65 rotatably installed on the shaft body of the first rotating pin 66 in bilateral symmetry, a second rotating pin 69 symmetrically and fixedly installed on the left and right walls of the 'concave' plate 64 located at the front side of the single lever 67, a second rope wheel 68 rotatably installed on the shaft body of the second rotating pin 69 in bilateral symmetry, a tensile rope 63 fixedly connected to the upper side end surface of the elevator body 32 in bilateral symmetry, and a left-right corresponding tensile rope 63 fixedly connected to the left and right position of the upper side end surface of the tensile plate 70 through the first rope wheel 65 and the second rope wheel 68 in bilateral correspondence, a stretching arm 71 which can be manually held is communicated and arranged on the front end surface and the rear end surface of the stretching plate 70 close to the middle position; therefore, the stretching handle 71 is pulled by hand to drive the stretching plate 70 to move downwards, and the stretching ropes 63 which correspond to the left and right positions fixedly connected with the upper end surface of the stretching plate 70 from left to right drive the left and right symmetrical elevator bodies 32 to slide up and down through the first rope pulley 65 and the second rope pulley 68.

When it is desired to exercise the body by dumbbells, the body is exercised by removing the dumbbell bar 33 screwed on the left and right ends of the barbell bar 37 and attaching the dumbbell pieces 31 on the left and right sides of the dumbbell bar 33.

When the body needs to be exercised through the barbell, the shaft of the barbell bar 37 is put into the fixed cavity 36 in the front side end face of the left-right symmetrical elevator body 32; then, the barbell bar 37 is locked in the fixed cavity 36 by manually rotating the rotary button 33 to drive the threaded rod 35; then, the dumbbell rods 33 corresponding to the left and right are threadedly mounted on the left and right ends of the barbell bar 37; the elevator body 32, together with the barbell bar 37, is then prevented from slipping down during the ascent by the first pawl 39 engaging the linear ratchet groove 30 on the elevator shaft 29, protecting the safety of the user.

When the body needs to be exercised by means of bench press, the lug 25 is separated from the groove 13 on the upper side end face of the second support plate 14 by lifting the bench press plate 15 upwards; then, the horizontal push plate 15 is rotated ninety degrees counterclockwise so that the horizontal push plate 15 is at a horizontal angle with the ground; then, the lying push plate 15 is placed downward, the lying push plate 15 is supported by the third support plate 27 fixedly installed in front of the lower side end face of the lying push plate 15, and a user can lie on the lying push plate 15 to perform lying exercise on the barbell bar 37.

When the 'portal frame' exercise needs to be carried out through stretching, the first pulling plate 44 is pulled out backwards manually; then, the support short rod 45 is rotated to be vertical to the rear end face of the elevator body 32, the first pull plate 44 receives the first pawl 39 into the first linear ratchet cavity 48, and the elevator body 32 can drive the barbell rod 37 to slide up and down; then, the barbell bar 37 fixedly connected through the elevator body 32 is pulled up and down by pulling the pulling handle 71 to exercise the body.

When the lowest descending position of the barbell bar 37 needs to be limited, the barbell bar 37 cannot descend to the bottom of the lifting rod 29 by adjusting the position of the limiting machine body 50 on the rod body of the lifting rod 29, and the effects of protecting the safety of a user and facilitating the exercise are achieved; the invention has the beneficial effects that: the barbell bar can move up and down through the lifting devices which are arranged on the lifting rods in a bilateral symmetry mode in a sliding mode, the barbell bar can move upwards in a one-way direction and move up and down through adjustment of the pawls in the lifting devices, and the barbell bar is suitable for different exercise modes.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a multi-functional family strength type body-building apparatus, erects including bilateral symmetry and is equipped with equipment fore-stock, its characterized in that: the rear part of the front support of the equipment corresponding to the left and the right is correspondingly provided with a rear support of the equipment symmetrical to the left and the right, the lower part of the rear support of the equipment and the front support of the equipment are fixedly connected through a first support plate which is symmetrical to the left and the right, the rear support of the equipment which is symmetrical to the left and the right is fixedly connected through a second support plate, one side end surface of the rear support of the equipment which is symmetrical to the left and the right, close to the second support plate, is correspondingly provided with a first sliding groove, a foldable bench press device capable of being pushed horizontally is arranged between the first sliding grooves which are corresponding to the left and the right, the top ends of the rear support of the equipment which is symmetrical to the left and the right and the front support of the equipment are fixedly provided with a concave plate with a forward opening, a lifting rod is fixedly arranged between the left and the right position of the, the barbell rod comprises a lifting slide rod, wherein a lifting device for driving a barbell rod to move up and down is slidably mounted on a rod body of the lifting slide rod close to the upper side, a limiting device capable of limiting the descending position of the barbell rod is slidably mounted on a rod body of the lifting slide rod close to the lower side, dumbbell rods are symmetrically and threadedly connected to the left end and the right end of the barbell rod, dumbbell pieces capable of being freely replaced are mounted on the rod body of each dumbbell rod, a single lever is fixedly mounted between left concave walls and right concave walls of a ' concave ' plate, and a rope stretching device is arranged between the left concave walls and the right concave walls of the ' concave.

2. The multi-functional home strength type fitness apparatus of claim 1, wherein: the bench press device that crouches includes bilateral symmetry slidable mounting and corresponds about rolling wheel in the spout, bilateral symmetry roll and rotate the connection through an axis of rotation between the wheel, it has the buffering to lean on slidable mounting about the bottom position in the spout the slider of the wheel strength that rolls, the slider with be equipped with a spring between the diapire of spout fixed mounting has the push pedal of crouching on one's body of the axle of axis of rotation, the upside terminal surface of the push pedal of crouching is equipped with the cushion, fixed mounting has the lug on my push pedal's the front side terminal surface, be equipped with in No. two backup pads the lug will the push pedal of crouching is fixed the recess of No. two backup pads tops.

3. The multi-functional home strength type fitness apparatus of claim 1, wherein: bench press bench device still includes No. three backup pads are installed to bench press lower extreme terminal surface by preceding position fixed mounting, the bottom of No. three backup pads sets firmly can with the support clutch blocks of ground contact, the upside terminal surface of the push pedal of crouching leans on preceding position fixed mounting to have the curve, the terminal surface is leaned on the lower position to rotate through No. two axes of rotation and is installed bilateral symmetry and can be used for the rotation rubber wheel of press from both sides the leg about the curve, the terminal surface leans on the upper position to rotate through No. three axes of rotation and installs with No. two rotation rubber wheels that a rotation rubber wheel corresponds.

4. The multi-functional home strength type fitness apparatus of claim 1, wherein: the lifting device comprises a lifting machine body which is arranged on the lifting rod in a bilateral symmetry mode through a one-number through groove which penetrates through the lifting machine body from top to bottom, the bilateral symmetry mode is that a fixed cavity capable of fixing the left end and the right end of the barbell rod is arranged in the end face of the front side of the lifting machine body, a threaded hole is formed in the upper side wall of the fixed cavity and the end face of the upper side of the lifting machine body in a communicated mode, the barbell rod can be locked in the threaded rod in the fixed cavity in a threaded manner, and the threaded hole is in threaded connection with a rotating button which can be rotated manually and is fixedly arranged at the.

5. The multi-functional home strength type fitness apparatus of claim 1, wherein: the lifting device also comprises a first linear ratchet cavity communicated with the first through groove and arranged in the lifting machine body at the rear side of the lifting rod, a first rotating block is rotatably arranged between the left wall and the right wall of the first linear ratchet cavity through a fourth rotating shaft, a first pawl meshed with the linear ratchet groove is fixedly arranged on the front end face of the first rotating block, a first connecting rod with the front end hinged with the first rotating block is slidably arranged in the first rod hole from front to back, a second spring is sleeved on the rod body of the first connecting rod in the first linear ratchet cavity, and a first pull plate capable of being manually pulled is fixedly arranged on the rear end of the first connecting rod at the rear side of the lifting machine body, a support groove which is communicated up and down is formed in the end face of the rear side of the first pulling plate, and a support short rod is installed between the left wall and the right wall of the upper position and the lower position of the support groove in a vertically corresponding mode through a fifth rotating shaft in a rotating mode.

6. The multi-functional home strength type fitness apparatus of claim 1, wherein: the limiting device comprises a limiting machine body which is arranged at the lower position of the left and right symmetrical lifting rods in a sliding way through a second through groove which penetrates through the limiting machine body from top to bottom, a second linear ratchet cavity communicated with the second through groove is arranged in the limiting machine body, a second rotating block is rotatably arranged between the left wall and the right wall of the second linear ratchet cavity through a sixth rotating shaft, a second pawl meshed with the linear ratchet groove is fixedly arranged on the front side end face of the second rotating block, a second rod hole is formed in the rear side wall of the second linear ratchet cavity positioned on the rear side of the second rotating block and communicated with the rear side end face of the limiting machine body, the front end of the second connecting rod is hinged with the second rotating block, a second connecting rod is arranged in the second rod hole in a front-back sliding mode, a third spring is sleeved on the rod body of the second connecting rod, which is located in the second linear ratchet cavity, and a second pull plate capable of being pulled manually is fixedly arranged at the rear end of the second connecting rod, which is located behind the limiting machine body.

7. The multi-functional home strength type fitness apparatus of claim 1, wherein: the limiting device further comprises a limiting plate which is elastically connected to the end face of the upper side of the limiting machine body through a fourth spring, and the limiting plate is slidably mounted on the rod body of the lifting rod through a third through groove which penetrates through the limiting plate from top to bottom.

8. The multi-functional home strength type fitness apparatus of claim 1, wherein: tensile rope device includes through being located the single lever rear side 'concave' shaped plate is gone up symmetrical fixed mounting and is had a rotational pin, bilateral symmetry about the axis of a rotational pin is rotated on the body and is installed a rope wheel, is located the single lever front side 'concave' shaped plate is gone up symmetrical fixed mounting and is had a little rotational pin, bilateral symmetry about the axis of No. two rotational pins is rotated on the body and is installed No. two rope wheels, bilateral symmetry the tensile rope of the last side end face fixedly connected with of elevator body, control corresponding tensile rope is through controlling corresponding a rope wheel with No. two rope wheels and the left and right sides position fixed connection of tensile board upside terminal surface, tensile board is installed the tensile arm that can manually grip by the front and back terminal surface intercommunication of intermediate position.