CN112957678A

CN112957678A - Multifunctional weight training machine

Info

Publication number: CN112957678A
Application number: CN202110168018.2A
Authority: CN
Inventors: 李茂印
Original assignee: Beijing Guanzhilu Technology Group Co ltd
Current assignee: Beijing Guanzhilu Technology Group Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-06-15

Abstract

The application discloses a multifunctional weight training machine, which comprises a main frame, a counterweight frame, an angle-adjustable force application arm and a pulley block, wherein a cavity is formed in the main frame, the counterweight frame is vertically and slidably mounted in the main frame, the force application arm is connected to the main frame in an angle-adjustable mode, the pulley block is mounted on the main frame and comprises a rope, one end of the rope is fixed, the other end of the rope bypasses the counterweight frame, penetrates out of the free end of the force application arm and is connected with a force application handle, and the force application handle is in; the main frame is hinged with a connecting seat with a vertically distributed rotating axis, the force application arm is hinged on the connecting seat, and the rotating axis of the force application arm is horizontally distributed; the main frame is provided with a first fixing assembly for positioning the connecting seat, and the connecting seat is provided with a second fixing assembly for positioning the force application arm. The multifunctional weight training machine can meet the training requirements of upper limb muscle groups of users, and improves the comprehensiveness and functionality of the weight training machine for training.

Description

Multifunctional weight training machine

Technical Field

The application relates to the field of fitness equipment, in particular to a multifunctional weight training machine.

Background

With the continuous improvement of people's life, the continuous improvement of economy and material level, more and more people choose the body-building motion to keep the stature and build the health to deal with the fast-paced life, and many people choose to do exercises outdoors, and some groups choose to do body-building motion in indoor environments such as gymnasiums and the like.

With the development of national fitness exercise, a plurality of fitness venues are also presented in the society to facilitate the fitness of people, although a large number of fitness equipment are available on the market, the number of comprehensive multifunctional fitness equipment is small, and how to improve the comprehensiveness and functionality of the fitness equipment is a main problem in the development of the existing fitness equipment.

Disclosure of Invention

To the above-mentioned not enough, this application provides a multi-functional weight training machine.

The application provides a multi-functional weight training machine adopts following technical scheme:

the utility model provides a multi-functional weight training machine, includes that inside has main frame, the vertical slidable mounting of cavity and has the arm of force of exerting on the main frame at inside counter weight frame, the angle adjustable connection of main frame to and install the assembly pulley on the main frame, the assembly pulley includes the rope, rope one end is fixed, and the counter weight frame is walked around to the other end, wears out from the arm of force of exerting free end to be connected with the application of force handle, make application of force handle and counter weight frame transmission be connected.

By adopting the technical scheme, when a user exercises by using the multifunctional weight training machine, the free end of the force application arm is turned to the high position, and the force application handle is pulled from top to bottom, so that the muscle group of the upper limb can be exercised; the free end of the force application arm is turned to a low position, and the force application handle is pulled from bottom to top, so that the shoulder muscle group can be exercised; the force application arm is rotated to the middle position to be matched with the height of the shoulders of a person, and the force application handle is horizontally pulled to exercise the muscles of the chest and the back; the training machine can be suitable for users with different requirements, and the comprehensiveness and the functionality are improved.

Optionally, the main frame is hinged with a connecting seat with a vertically distributed rotation axis, the force application arm is hinged on the connecting seat, and the rotation axis of the force application arm is horizontally distributed; the main frame is provided with a first fixing assembly for positioning the connecting seat, and the connecting seat is provided with a second fixing assembly for positioning the force application arm.

Through adopting above-mentioned technical scheme, the arm of force of exerting oneself realizes horizontal angle through first connecting axle and adjusts, realizes vertical angle through the second connecting axle.

Optionally, two connecting plates are arranged on the main rack at intervals, a first connecting shaft is fixedly connected to the connecting seat, and the first connecting shaft is vertically and rotatably installed between the two connecting plates; a fixing plate is coaxially and fixedly connected to the first connecting shaft, and a first fixing hole group distributed circumferentially around the axis of the first connecting shaft is formed in the fixing plate; the first fixing component comprises a first buckle cover, a first ejector rod, a first stop ring and a first spring, wherein one side of the first buckle cover is provided with an opening, the opening end of the first buckle cover is fixed on the connecting plate, the first ejector rod is arranged on the first buckle cover in a sliding penetrating mode, the first stop ring is pressed on the connecting plate and fixedly connected with the first ejector rod, and the first spring is arranged between the first stop ring and the closed end of the first buckle cover in a compressing mode; the first ejector rod penetrates through the connecting plate and is matched with the first fixed hole group in a clamping mode.

Through adopting above-mentioned technical scheme, two connecting plates provide the installation basis for the connecting seat, and the first ejector pin of first fixed subassembly passes the connecting plate, stretches into in the first fixed punch combination, cooperates with the fixed plate joint to the rotation of restriction application arm of force horizontal direction realizes applying the location in the arm of force horizontal position.

Optionally, the hinged end of the force application arm is provided with a first ear plate and a second ear plate at intervals, and the first ear plate and the second ear plate are hinged on the connecting seat through a second connecting shaft with an axis arranged horizontally; a second fixed hole group distributed circumferentially around the axis of the second connecting shaft is formed in the side wall of the connecting seat opposite to the first lug plate; the second fixing component comprises a second buckle cover, a second ejector rod, a second retaining ring and a second spring, wherein one side of the second buckle cover is provided with an opening, the opening end of the second buckle cover is fixed on the first ear plate, the second ejector rod is arranged on the second buckle cover in a sliding penetrating mode, the second retaining ring is pressed on the first ear plate and fixedly connected with the second ejector rod, and the second spring is arranged between the second retaining ring and the closed end of the second buckle cover in a compressing mode; and the second ejector rod penetrates through the first ear plate and is matched with the second fixed hole group in a clamping manner.

Through adopting above-mentioned technical scheme, the second ejector pin of the fixed subassembly of second passes first otic placode, stretches into the fixed punch combination of second, cooperates with the connecting seat joint to the rotation of the vertical direction of the restriction arm of force of executing realizes executing the location in the vertical position of the arm of force.

Optionally, a positioning column is fixedly connected to one side of the second ear plate facing the first ear plate, an arc-shaped positioning groove is formed in the connecting seat, and the positioning column extends into the positioning groove and is in sliding fit with the positioning groove; the locating slot and the connecting shaft are coaxial.

Through adopting above-mentioned technical scheme, when the arm of force of executing rotates for the connecting seat, the reference column slides in the constant head tank, and both cooperations play the spacing effect of direction to the arm of force of executing, stability when improving the vertical rotation of the arm of force of executing.

Optionally, the pulley block further includes a movable pulley mounted at the top of the counterweight frame, a first fixed pulley mounted on the main frame, a second fixed pulley mounted on the second connecting shaft, and a third fixed pulley and a fourth fixed pulley mounted at the free end of the force application arm, the first fixed pulley is located above the first connecting shaft, and grooves of the third fixed pulley and the fourth fixed pulley are butted to form a closed-loop wire running port; a wiring channel penetrates through the inside of the force application arm, abdicating structures for ropes to pass through are formed on the first connecting shaft and the connecting seat, and the abdicating structures are communicated with the wiring channel; one end of the rope is fixedly connected in the main frame, and the other end of the rope sequentially rounds the movable pulley, the first fixed pulley and the second fixed pulley, finally penetrates out of the space between the third fixed pulley and the fourth fixed pulley and is fixedly connected with the force application handle.

By adopting the technical scheme, one end of a rope of the pulley block is fixed on the top wall of the inner cavity of the main frame, and the other end firstly winds the movable pulley, penetrates out of the main frame, then winds the first fixed pulley, then penetrates into the central through hole of the first connecting shaft, winds the second fixed pulley through the communicating port, then penetrates into the wiring channel, penetrates out of the wiring port between the third fixed pulley and the fourth fixed pulley, and finally is fixedly connected with the force application handle, so that the force application handle is hung at the free end of the force application arm; the force application handle is pulled to drive the counterweight frame to do lifting motion through the transmission of the pulley block.

Optionally, the free end of the force application arm is rotatably provided with a connecting frame, and the rotating axis of the connecting frame is parallel to the length direction of the force application arm; the third fixed pulley and the fourth fixed pulley are installed on the connecting frame, and a through opening corresponding to the wiring opening is formed between the force applying arm and the connecting frame.

By adopting the technical scheme, when a user pulls the counterweight frame to move through the force application handle, the connecting frame can adaptively rotate according to the stress direction of the rope, and finally the direction is consistent with the force application direction of the user; meanwhile, the rope can be always pressed in the groove of the third fixed pulley or the fourth fixed pulley, so that the rope and a contacted structure are in rolling friction in the moving process, unnecessary physical energy consumption of a user is reduced, and the service life of the rope can be prolonged.

Optionally, the force application arm, the force application handle and the pulley block are arranged in two groups and are symmetrically arranged on the main frame; a back support is obliquely arranged on the main frame and is positioned between the two force application arms.

By adopting the technical scheme, the number of the force application mechanism groups is set to be two groups, and the two groups can exercise simultaneously with two persons or can exercise the two arms by a single person; when exercising both arms, the user leans against the back support, so that the force application of the user is more stable.

Optionally, the back support comprises a support rod mounted on the main frame and a support seat mounted on the support rod; the mounting angle of the supporting rod on the main rack can be adjusted, and the mounting angle of the supporting seat on the supporting rod can be adjusted; the supporting rod is provided with a third fixing component for positioning the self installation angle, and the supporting seat is provided with a fourth fixing component for positioning the self installation angle.

Through adopting above-mentioned technical scheme, the user is through fixed subassembly adjustment bracing piece and supporting seat angle to satisfy self and temper the demand, make weight training machine application scope wider.

Optionally, the support rod is arranged in a telescopic manner and comprises an outer tube and an inner rod, and the inner rod is slidably arranged in the outer tube in a penetrating manner; the outer pipe is hinged with the main frame, and the inner rod is hinged with the supporting seat; and a fifth fixing component for positioning the inner rod is arranged on the outer tube.

Through adopting above-mentioned technical scheme, the flexible setting of bracing piece makes bracing piece control range wider, can adapt to more users and use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the user can meet the exercise requirements of exercising upper limb muscle groups, shoulder muscle groups, chest and back muscle groups by adjusting the position of the force applying arm of the weight training machine, thereby improving the comprehensiveness and functionality of the weight training machine;

2. through set up the back of the body and prop on the main frame, the user backs up and props on the back and when pulling application of force handle, and the back of the body props and provides stable support for user's back to make more convenient taking exercise of user.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

fig. 2 is a schematic structural view of a connecting assembly in embodiment 1 of the present application;

FIG. 3 is a schematic view showing the arrangement of pulley blocks in embodiment 1 of the present application;

FIG. 4 is a schematic structural diagram of embodiment 2 of the present application;

FIG. 5 is a schematic structural diagram of embodiment 3 of the present application;

fig. 6 is a schematic structural diagram of embodiment 4 of the present application.

Description of reference numerals: 1. a main frame; 11. a support leg; 12. a connecting plate; 13. a connecting seat; 14. a first connecting shaft; 15. a fixing plate; 16. a first set of fixed holes; 17. mounting grooves; 18. mounting a plate; 2. a counterweight frame; 3. applying a force arm; 31. a force application handle; 32. a first ear plate; 33. a second ear panel; 34. a second connecting shaft; 35. a second set of anchor holes; 36. a positioning column; 37. a wiring channel; 38. a connecting frame; 39. a connecting pipe; 4. a pulley block; 41. a rope; 42. a movable pulley; 43. a first fixed pulley; 44. a second fixed pulley; 45. a third fixed pulley; 46. a fourth fixed pulley; 5. a first fixed component; 51. a first buckle cover; 52. a first ejector rod; 53. a first retainer ring; 54. a first spring; 6. a second fixed component; 7. back bracing; 71. a support bar; 711. an outer tube; 712. an inner rod; 713. a fifth set of fixed holes; 72. a supporting seat; 73. a first support plate; 74. a third fixed component; 75. a clamping and connecting plate; 751. a third set of fixed holes; 76. connecting lugs; 77. a second support plate; 78. a fourth fixed component; 79. a fifth stationary component; 8. a storage plate; 81. a base plate; 82. a limiting hole; 9. a limiting member; 91. a limiting plate; 92. a limiting column.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses multi-functional weight training machine. Referring to fig. 1, the multifunctional weight training machine comprises a main frame 1, a balance weight frame 2, a force application arm 3, a force application handle 31 and a pulley block 4.

The main frame 1 is of a box-shaped structure, an installation cavity is formed in the main frame, and a sliding rail is vertically arranged in the installation cavity; the counterweight frame 2 is vertically and slidably arranged in the cavity of the main frame 1 by being matched with the slide rail. The force application arm 3 is arranged outside the main frame 1, and the installation angle between the force application arm and the main frame 1 can be adjusted; the force application handle 31 is hung at the free end of the force application arm 3 through the pulley block 4 and is in transmission connection with the counterweight frame 2, namely the force application handle 31 is pulled, and the counterweight frame 2 is driven to move up and down through the transmission of the pulley block 4.

In the embodiment, the force application arm 3, the force application handle 31 and the pulley block 4 are arranged into two groups and symmetrically arranged on the main frame 1; the two force application handles 31 can drive one group of the counterweight brackets 2 to do lifting motion together, or two groups of the counterweight brackets 2 can be arranged in the main frame 1, and the two force application handles 31 respectively drive one group of the counterweight brackets 2 to do lifting motion.

Two groups of force applying arms 3 are arranged outside the main frame 1 to form an exercise area for a user to exercise; two groups of support legs 11 extend outwards from one side of the bottom of the main frame 1 facing the exercise area, and the support area of the stress side of the main frame 1 is increased through the support legs 11, so that the stability of the main frame 1 is improved.

Two groups of connecting assemblies are symmetrically arranged on the side wall of the main frame 1 facing the exercise area, and the two force applying arms 3 are respectively connected with one group of connecting assemblies and are rotatably arranged on the main frame 1 through the connecting assemblies. Referring to fig. 1 and 2, the connecting assembly comprises two groups of connecting plates 12 and connecting seats 13, wherein the connecting plates 12 are vertically distributed on the main frame 1 at intervals; a first connecting shaft 14 is vertically and fixedly connected to the connecting base 13, and is rotatably mounted between the two connecting plates 12 through the first connecting shaft 14.

Two lug plates are fixedly connected to the hinged end of the force application arm 3 at intervals, a connecting part which can extend into the space between the two lug plates is arranged on the connecting seat 13, and the connecting seat 13 and the two lug plates are rotatably connected together through a second connecting shaft 34 which is horizontally arranged; the second connecting shaft 34 is fixedly connected with the two ear plates. Thus, the force applying arm 3 realizes horizontal angle adjustment through the first connecting shaft 14 and vertical angle adjustment through the second connecting shaft 34.

A plurality of groups of fixing components are also arranged on the main frame 1, and the fixing components can keep the force application arm 3 at a specific angle; referring to fig. 2, the fixing component comprises a buckle cover with an opening at one end and a closed end, a top rod is slidably arranged on the buckle cover, a blocking ring is fixedly connected to the rod body of the top rod along the radial direction, and a spring is supported on the blocking ring; when the retaining ring is positioned inside the buckle cover, the spring is compressed and arranged between the retaining ring and the closed end of the buckle cover. In this embodiment, the plurality of sets of fixing elements have the same structure, and are named after the first, second, etc. in sequence.

The first fixing component 5 is mounted on one of the connecting plates 12, specifically, an open end of the first buckle cover 51 is fixed on the connecting plate 12, a yielding hole for the first push rod 52 to pass through is formed in the connecting plate 12, the first stop ring 53 is pressed against the surface of the connecting plate 12, and the first spring 54 is compressed between the first stop ring 53 and the first buckle cover 51. The first connecting shaft 14 is fixedly connected with a fixing plate 15, and the fixing plate 15 is provided with a first fixing hole group 16 which is circumferentially distributed around the axis of the first connecting shaft 14; the first top rod 52 of the first fixing component 5 penetrates through the connecting plate 12, extends into the first fixing hole group 16, and is in clamping fit with the fixing plate 15, so that the horizontal rotation of the force applying arm 3 is limited.

Establish two otic placodes respectively to first otic placode 32 and second otic placode 33, the fixed subassembly 6 of second is installed on first otic placode 32, and is concrete, and the open end of second buckle closure is fixed on first otic placode 32, offers the hole of stepping down that supplies the second ejector pin to pass on the first otic placode 32, and the second fender ring supports and presses on first otic placode 32 surface, and the second spring compression is between second fender ring and second buckle closure. One side of the connecting seat 13 facing the first ear plate 32 is provided with a second fixing hole group 35 distributed circumferentially around the axis of the second connecting shaft 34; the second ejector pin of the second fixing component 6 passes through the first ear plate 32, extends into the second fixing hole group 35, and is in clamping fit with the connecting seat 13, so that the rotation of the force applying arm 3 in the vertical direction is limited.

The side wall of the connecting seat 13 opposite to the second lug plate 33 is provided with an arc-shaped positioning groove which is coaxial with the connecting shaft; a positioning column 36 is fixedly connected to the second ear plate 33, and the positioning column 36 extends into the positioning groove; when the force applying arm 3 rotates relative to the connecting seat 13, the positioning column 36 slides in the positioning groove, the positioning column and the positioning groove are matched to play a role in guiding and limiting the force applying arm 3, and the stability of the force applying arm 3 in vertical rotation is improved.

Referring to fig. 3, the pulley block 4 includes a rope 41, a movable pulley 42, a first fixed pulley 43, a second fixed pulley 44, a third fixed pulley 45 and a fourth fixed pulley 46, wherein the movable pulley 42 is installed on the top of the counterweight housing 2, and the first fixed pulley 43 is installed on the outer side wall of the main frame 1 and is positioned right above the first connecting shaft 14. The second fixed pulley 44 is coaxially arranged on the second connecting shaft 34, the third fixed pulley 45 and the fourth fixed pulley 46 are arranged at the free end of the force application arm 3, the third fixed pulley 45 and the fourth fixed pulley 46 are mutually abutted, and the grooves of the third fixed pulley and the fourth fixed pulley enclose a closed loop wire running port.

A wiring channel 37 penetrates through the inside of the force applying arm 3 along the length direction, and a wiring opening between the third fixed pulley 45 and the fourth fixed pulley 46 corresponds to the wiring channel 37; referring to fig. 2 and 3, the first connecting shaft 14 is provided with a central through hole, a communication opening is formed in one side facing the second connecting shaft 34, and a yielding opening for the rope 41 to pass through is formed in one side of the connecting base 13 facing the force applying arm 3, so that the rope 41 does not interfere with the connecting base 13 when the force applying arm 3 rotates around the second connecting shaft 34.

One end of a rope 41 of the pulley block 4 is fixed on the top wall of the inner cavity of the main frame 1, the other end firstly passes around the movable pulley 42, penetrates out of the main frame 1, then passes around the first fixed pulley 43, then penetrates into the central through hole of the first connecting shaft 14, passes around the second fixed pulley 44 through the communication port, then penetrates into the wiring channel 37, penetrates out of the wiring port between the third fixed pulley 45 and the fourth fixed pulley 46, and finally is fixedly connected with the force application handle 31, so that the force application handle 31 is hung at the free end of the force application arm 3.

When the multifunctional weight training machine is used for training, the free end of the force application arm 3 is rotated to the high position, the force application handle 31 is pulled from top to bottom, and the muscle group of the upper limb of a user can be trained; the free end of the force application arm 3 is turned to a low position, and the force application handle 31 is pulled from bottom to top, so that the shoulder muscle group of the user can be exercised; the force applying arm 3 is rotated to the middle position and is matched with the height of the shoulders of a user, the force applying handle 31 is horizontally pulled, so that the chest and back muscle groups of the user can be trained, the training machine can be suitable for users with different requirements, and the comprehensiveness and the functionality of the training machine are improved.

When a user exercises back to the training machine and the pulled weight exceeds the self bearing capacity, the gravity center is unstable, and the exercise effect is influenced; for this purpose, a back support 7 is arranged on the side wall of the main frame 1 facing the exercise area and between the two force application arms 3; referring to fig. 1, the back support 7 includes a support rod 71 and a support base 72, the support rod 71 is fixed on the main frame 1 in an inclined manner, and the support base 72 is installed at the end of the support rod 71; when the user pulls the force application handle 31 against the support base 72, the support base 72 provides a stable support for the user's back to allow the user to more conveniently perform exercises.

Example 2

Referring to fig. 4, the present embodiment is different from embodiment 1 in that a link frame 38 is rotatably installed at the free end of the force applying arm 3, and a third fixed pulley 45 and a fourth fixed pulley 46 are installed in the link frame 38.

Specifically, the connecting frame 38 also has a mounting cavity therein, and the third fixed pulley 45 and the fourth fixed pulley 46 are mounted in the mounting cavity; one side of the connecting frame 38 is fixedly connected with a connecting pipe 39, and the connecting pipe 39 is communicated with the mounting cavity of the connecting frame 38; the axial direction of the connecting pipe 39 is the same as the length direction of the force applying arm 3, and the connecting pipe is arranged in the wiring channel 37 of the force applying arm 3 through a bearing, so that the connecting frame 38 can rotate around the axis of the connecting pipe 39, and the flexibility of the connecting frame 38 is improved.

Thus, when the user pulls the weight frame 2 to displace through the force application handle 31, the connecting frame 38 can rotate adaptively according to the force application direction of the rope 41, and finally the force application direction is consistent with the force application direction of the user; meanwhile, the rope 41 can always press against the groove of the third fixed pulley 45 or the fourth fixed pulley 46, so that the rope 41 and a contacted structure are in rolling friction in the moving process, unnecessary physical energy consumption of a user is reduced, and the service life of the rope 41 can be prolonged.

Example 3

Referring to fig. 5, the present embodiment is different from embodiment 1 in that the installation angle of the back stay 7 on the main frame 1 is adjustable.

Specifically, the side wall of the main frame 1 is provided with a mounting groove 17; a third connecting shaft is horizontally arranged at the hinged end of the supporting rod 71, and a fourth connecting shaft is horizontally arranged at the free end of the supporting rod 71; the support rod 71 is rotatably mounted in the mounting groove 17 through a third connecting shaft, and the support base 72 is rotatably mounted on the support rod 71 through a fourth connecting shaft.

A first supporting plate 73 is fixedly connected at the hinged end of the supporting rod 71, and a third fixing component 74 is arranged on the first supporting plate 73; specifically, the open end of the third buckle cover is fixed on the first supporting plate 73, a yielding hole for the third ejector rod to pass through is formed in the first supporting plate 73, the third retaining ring is pressed on the surface of the first supporting plate 73, and the third spring is compressed between the third retaining ring and the third buckle cover. A clamping plate 75 is fixedly connected in the mounting groove 17, and a third fixing hole group 751 which is circumferentially distributed around the axis of the third connecting shaft is arranged on the clamping plate 75; the third top rod passes through the first supporting plate 73 and extends into the third fixing hole group 751, so that the supporting rod 71 is in clamping fit with the clamping plate 75, and the rotation of the supporting rod 71 in the vertical direction is limited.

Two groups of connecting lugs 76 are arranged on the supporting seat 72 at intervals, and the two connecting lugs 76 are matched with a fourth connecting shaft to rotatably connect the supporting seat 72 to the free end of the supporting rod 71; a second supporting plate 77 is fixedly arranged between the two connecting lugs 76 on the free end of the supporting rod 71, and a fourth fixing component 78 is arranged on one connecting lug 76 of the supporting seat 72.

Specifically, the open end of the fourth buckle cover is fixed on the connecting lug 76, the connecting lug 76 is provided with a yielding hole for the fourth ejector rod to pass through, the fourth blocking ring is pressed on the surface of the connecting lug 76, and the fourth spring is compressed between the fourth blocking ring and the fourth buckle cover. The second supporting plate 77 is provided with a fourth set of fixing holes circumferentially distributed around the axis of the fourth connecting shaft; the fourth push rod passes through the connecting lug 76, extends into the fourth fixing hole group, and is in clamping fit with the support rod 71, so that the rotation of the support seat 72 in the vertical direction is limited.

Before and after taking exercise, the user can be according to self demand adjustment bracing piece 71 and supporting seat 72 angle, recycles fixed subassembly and keeps bracing piece 71 and supporting seat 72 under corresponding angle to satisfy follow-up exercise demand, improve the suitability of weight training machine.

Furthermore, the support rod 71 is arranged in a telescopic manner, so that the adjustment range of the support rod 71 is wider, and the support rod 71 is suitable for more users; specifically, the support rod 71 comprises an outer tube 711 and an inner rod 712, wherein the inner rod 712 is slidably arranged in the outer tube 711; wherein the outer tube 711 is rotatably connected to the mounting groove 17, and the inner rod 712 is rotatably connected to the support base 72.

The position department on the periphery wall of outer tube 711, near the mouth of pipe is provided with fifth fixed subassembly 79, and wherein the open end of fifth buckle closure is fixed on outer tube 711, offers the via hole that supplies the fifth ejector pin to pass on the outer tube 711, and the fifth keeps off the ring and supports and press in the outer tube 711 surface, and the compression of fifth spring is kept off between ring and the fifth buckle closure at the fifth. Fifth fixed hole groups 713 are axially arranged on the outer wall of the inner rod 712 at intervals; the fifth top rod of the fifth fixing component 79 passes through the through hole, extends into the fifth fixing hole group 713, and is in clamping fit with the inner rod 712, so that the supporting rod 71 is kept at a corresponding length, and the length adjustment of the supporting rod 71 is completed.

Example 4

Referring to fig. 6, the present embodiment is different from embodiment 3 in that a back stay 7 can be housed in a main frame 1.

Specifically, an opening is formed in one side of the main frame 1 facing the exercise area, so that an installation cavity of the main frame 1 is communicated with the outside; the main frame 1 is fixedly connected with a mounting plate 18 at the top and the bottom of the opening respectively, a storage plate 8 is arranged between the two mounting plates 18, and the storage plate 8 is rotatably connected with the mounting plates 18 through a vertically arranged rotating shaft. One side of the containing plate 8 is a plane, and the mounting groove 17 is arranged on the plate surface of the opposite side; the storage plate 8 can be rotated to be flush with the surface of the main frame 1.

The bottom of the storage plate 8 is horizontally and fixedly connected with a bottom plate 81, and two groups of limiting holes 82 distributed around the circumference of the rotating shaft are formed in the bottom plate 81.

The lower surface of the mounting plate 18 positioned at the bottom of the opening is provided with a limiting piece 9 for positioning the containing plate 8, the limiting piece 9 comprises a limiting plate 91 and a limiting column 92, wherein the limiting plate 91 is connected to the lower surface of the mounting plate 18 and can rotate relative to the mounting plate 18; the limiting column 92 is fixedly connected to one side, facing the mounting plate 18, of the limiting plate 91, a yielding hole is formed in the corresponding position of the mounting plate 18, and the limiting column 92 penetrates through the yielding hole and extends into the limiting hole 82 to position the accommodating plate 8; when the stopper plate 91 is stepped on, the stopper plate 91 rotates downward, and the stopper posts 92 are separated from the stopper holes 82, so that the storage plate 8 is restored to the free state. The diameter of the restraint posts 92 is less than the diameter of the abduction holes and the restraint holes 82.

After the limiting columns 92 respectively extend into the two sets of limiting holes 82, the accommodating plate 8 can be respectively kept in a state of being arranged outwards on the plane side or in a state of being arranged outwards on the mounting groove 17.

Limiting plate 91 accessible pivot and torsional spring structure install on mounting panel 18, and the pivot makes limiting plate 91 and mounting panel 18 rotate to be connected, torsional spring one end and mounting panel 18 rigid coupling, the other end and limiting plate 91 rigid coupling, utilize the torsional spring to provide towards mounting panel 18 pivoted elasticity for limiting plate 91, make limiting plate 91 not receive the exogenic action under, can support always to press on mounting panel 18 bottom surface to keep spacing post 92 and spacing hole 82 under the joint state. Or, the limiting plate 91 is made into a thin plate structure, so that the limiting plate 91 has elastic deformation capacity, and thus, the limiting plate 91 is directly fixedly connected with the mounting plate 18, and the limiting column 92 and the limiting hole 82 can be kept in a clamping state.

Under daily condition, turn over bracing piece 71 and supporting seat 72 into to mounting groove 17 through fixed subassembly to in turning over into the installation cavity of main frame 1 with the one side that intake plate 8 was equipped with mounting groove 17, reuse locating part 9 keeps intake plate 8 under fixed state, accomplishes accomodating of back-up support 7 promptly, can not occupy extra space.

When the back support 7 is needed, the fixing of the containing plate 8 by the limiting member 9 is released, one side of the installing groove 17 of the containing plate 8 is turned to the outside and is fixed, then the supporting rod 71 and the supporting seat 72 are positioned to a required state, and the user can do exercise by backing the supporting seat 72.

The mirror can be laid to the plane side of storage plate 8, and the appearance instrument can be arranged in order through the mirror before and after the user takes exercise.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. A multi-functional weight training machine which characterized in that: the utility model discloses a main frame (1), vertical slidable mounting have the cavity including inside main frame (1), apply force arm (3) of angle adjustable connection on main frame (1) inside counter weight frame (2), the main frame (1) to and install assembly pulley (4) on main frame (1), assembly pulley (4) include rope (41), rope (41) one end is fixed, and counter weight frame (2) are walked around to the other end, wear out from applying force arm (3) free end to be connected with application of force handle (31), make application of force handle (31) be connected with counter weight frame (2) transmission.

2. The multi-functional weight training machine of claim 1, wherein: the main frame (1) is hinged with a connecting seat (13) with a vertically distributed rotating axis, the force application arm (3) is hinged on the connecting seat (13), and the rotating axis of the force application arm (3) is horizontally distributed;

the device is characterized in that a first fixing component (5) for positioning the connecting seat (13) is arranged on the main frame (1), and a second fixing component (6) for positioning the force applying arm (3) is arranged on the connecting seat (13).

3. The multi-functional weight training machine of claim 2, wherein: the main frame (1) is provided with two connecting plates (12) at intervals, the connecting seat (13) is fixedly connected with a first connecting shaft (14), and the first connecting shaft (14) is vertically and rotatably arranged between the two connecting plates (12);

a fixing plate (15) is coaxially and fixedly connected to the first connecting shaft (14), and a first fixing hole group (16) distributed around the circumference of the axis of the first connecting shaft (14) is formed in the fixing plate (15);

the first fixing component (5) comprises a first buckle cover (51) with an opening at one side and fixed on the connecting plate (12) through an opening end, a first ejector rod (52) arranged on the first buckle cover (51) in a sliding and penetrating mode, a first retaining ring (53) pressed on the connecting plate (12) and fixedly connected with the first ejector rod (52), and a first spring (54) arranged between the first retaining ring (53) and the closed end of the first buckle cover (51) in a compressing mode; the first ejector rod (52) penetrates through the connecting plate (12) and is in clamping fit with the first fixed hole group (16).

4. The multi-functional weight training machine of claim 3, characterized in that: the hinged end of the force applying arm (3) is provided with a first lug plate (32) and a second lug plate (33) at intervals, and the first lug plate (32) and the second lug plate (33) are hinged on the connecting seat (13) through a second connecting shaft (34) with the axis arranged horizontally;

a second fixed hole group (35) which is distributed around the axis circumference of the second connecting shaft (34) is arranged on the side wall of the connecting seat (13) opposite to the first lug plate (32);

the second fixing component (6) comprises a second buckle cover, a second ejector rod, a second retaining ring and a second spring, wherein one side of the second buckle cover is provided with an opening, the opening end of the second buckle cover is fixed on the first ear plate (32), the second ejector rod is arranged on the second buckle cover in a sliding penetrating mode, the second retaining ring is pressed on the first ear plate (32) and fixedly connected with the second ejector rod, and the second spring is arranged between the second retaining ring and the closed end of the second buckle cover in a compressing mode; the second ejector rod penetrates through the first ear plate (32) and is matched with the second fixed hole group (35) in a clamping mode.

5. The multi-functional weight training machine of claim 4, wherein: a positioning column (36) is fixedly connected to one side, facing the first lug plate (32), of the second lug plate (33), an arc-shaped positioning groove is formed in the connecting seat (13), and the positioning column (36) extends into the positioning groove and is in sliding fit with the positioning groove; the locating slot and the connecting shaft are coaxial.

6. The multi-functional weight training machine of claim 4, wherein: the pulley block (4) further comprises a movable pulley (42) arranged at the top of the counterweight frame (2), a first fixed pulley (43) arranged on the main frame (1), a second fixed pulley (44) arranged on the second connecting shaft (34), a third fixed pulley (45) and a fourth fixed pulley (46) arranged at the free end of the force application arm (3), wherein the first fixed pulley (43) is positioned above the first connecting shaft (14), and grooves of the second fixed pulley (44) and the fourth fixed pulley (46) are butted to form a closed-loop wiring port;

a wiring channel (37) penetrates through the inside of the force application arm (3), abdicating structures for a rope (41) to pass through are formed on the first connecting shaft (14) and the connecting seat (13), and the abdicating structures are communicated with the wiring channel (37);

one end of the rope (41) is fixedly connected in the main frame (1), and the other end of the rope sequentially rounds the movable pulley (42), the first fixed pulley (43) and the second fixed pulley (44), finally penetrates out of the space between the third fixed pulley (45) and the fourth fixed pulley (46) and is fixedly connected with the force application handle (31).

7. The multi-functional weight training machine of claim 6, wherein: the free end of the force application arm (3) is rotatably provided with a connecting frame (38), and the rotating axis of the connecting frame (38) is parallel to the length direction of the force application arm (3); the third fixed pulley (45) and the fourth fixed pulley (46) are arranged on the connecting frame (38), and a through opening corresponding to the wire routing opening is formed between the force applying arm (3) and the connecting frame (38).

8. The multi-functional weight training machine of claim 1, wherein: the force application arms (3), the force application handles (31) and the pulley blocks (4) are arranged into two groups and are symmetrically arranged on the main frame (1); a back support (7) is obliquely arranged on the main frame (1), and the back support (7) is positioned between the two force application arms (3).

9. The multi-functional weight training machine of claim 8, wherein: the back support (7) comprises a support rod (71) arranged on the main frame (1) and a support seat (72) arranged on the support rod (71);

the installation angle of the supporting rod (71) on the main frame (1) can be adjusted, and the installation angle of the supporting seat (72) on the supporting rod (71) can be adjusted;

the supporting rod (71) is provided with a third fixing component (74) for positioning the self installation angle, and the supporting seat (72) is provided with a fourth fixing component (78) for positioning the self installation angle.

10. The multi-functional weight training machine of claim 9, wherein: the support rod (71) is arranged in a telescopic mode and comprises an outer tube (711) and an inner rod (712), and the inner rod (712) penetrates through the outer tube (711) in a sliding mode; the outer pipe (711) is hinged with the main frame (1), and the inner rod (712) is hinged with the support seat (72); and a fifth fixing component (79) for positioning the inner rod (712) is arranged on the outer tube (711).