CN114699714A

CN114699714A - Stable and reliable foldable Smith training frame

Info

Publication number: CN114699714A
Application number: CN202210542489.XA
Authority: CN
Inventors: 薛文会; 类成超; 蒋鹏飞
Original assignee: Shandong Body Longer Fitness Equipment Co ltd
Current assignee: Shandong Body Longer Fitness Equipment Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-07-05

Abstract

The invention discloses a stable and reliable foldable Smith training frame, which comprises pulleys provided with wheel grooves, steel cables for standardizing distribution tracks through the pulleys and a frame body for mounting the pulleys, wherein the frame body comprises two main frames in a mirror image structure, a plurality of short cross beams which are connected between the main frames and distributed at intervals from top to bottom, two auxiliary frames which are respectively hinged with the main frames and a transverse lever which is hinged between the upper parts of the auxiliary frames, and the steel cables for transition between the main frames and the auxiliary frames are coaxially distributed with the hinge axes of the main frames and the auxiliary frames; the bottom of the main frame is connected with a fixed support leg, and the bottom of the subframe is connected with a telescopic pedal fixer. According to the stable and reliable foldable Smith training frame, the auxiliary frame can be rotated and folded relative to the main frame, the transverse lever can be turned and folded by 90 degrees, the barbell parts can be stacked, and the space and the place required for storage are reduced.

Description

Stable and reliable foldable Smith training frame

Technical Field

The invention belongs to the technical field of training frames, and particularly relates to a stable and reliable foldable Smith training frame.

Background

The smith frame is an omnibearing body-building apparatus, the sliding track of the barbell of the smith frame is limited, a trainer can use heavy weight with great confidence, and the smith frame not only is limited to the deep squat training, but also can do bench press (inclined upwards, flat plate, inclined downwards), bow rowing, biceps muscle bending, heel lifting and the like.

Smith stands come in a variety of vertical (majority), inclined, weighted, non-weighted, monoplanar, solid frame (maxwell), zero friction, and high frictional resistance.

The existing Smith training frame is an all-dimensional fitness device, so that the size of the training frame is large, the training frame is not convenient to fold and store, and more places and spaces are occupied.

Disclosure of Invention

In view of the problems raised by the background art described above, the present invention has an object to: aims to provide a stable and reliable foldable Smith training frame.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a stable and reliable foldable Smith training frame comprises pulleys provided with wheel grooves, steel cables with regular distribution tracks through the pulleys, and a frame body used for mounting the pulleys, wherein the frame body comprises two main frames in a mirror image structure, a plurality of short cross beams connected between the main frames and distributed at intervals from top to bottom, two auxiliary frames respectively hinged with the main frames, and transverse levers hinged between the upper parts of the auxiliary frames, and the steel cables used for transition between the main frames and the auxiliary frames are coaxially distributed with the hinge axes of the main frames and the auxiliary frames;

the bottom of the main frame is connected with a fixed support leg, and the bottom of the auxiliary frame is connected with a telescopic pedal fixer;

the main frame comprises a long upright post, a short upright post, a bottom cross rod, a top cross rod, an auxiliary rod and a first U-shaped hinged frame, wherein the bottom cross rod is positioned between the bottoms of the long upright post and the short upright post, the top cross rod is positioned above the short upright post and on the side of the long upright post, the auxiliary rod is positioned between the upper parts of the long upright post and the short upright post, the first U-shaped hinged frame is respectively positioned at the end of the top cross rod and on the outer side of the bottom of the short upright post, the first U-shaped hinged frame is provided with hinged holes, and the plane positions of the two first U-shaped hinged frames are mutually overlapped;

the auxiliary frame comprises an upper swing rod, a lower swing rod, a vertical square tube and a round tube, wherein the vertical square tube and the round tube are connected between the upper swing rod and the lower swing rod, the ends of the upper swing rod and the lower swing rod are respectively provided with a first hinged sleeve matched with the first U-shaped hinged frame, the side surfaces of the upper swing rod and the lower swing rod are respectively provided with a tube seat for inserting the round tube, the inner side of the upper swing rod is provided with a second hinged sleeve with a horizontal axis, the round tube is sleeved with an upper outer tube and a lower outer tube, the vertical square tube is sleeved with a slidable support, the lower outer tube is fixedly connected with the slidable support, the upper outer tube is provided with a placing hook, the placing hook is provided with a lock hole and is connected with a barbell rod sleeve, the barbell rod sleeve is provided with a middle rod and side rods positioned at the two ends of the middle rod, the bottom of the side rods is provided with a lock frame, the lock frame and the placing hook are passed by a lock pin, and the other end of the side rod is connected with an arc hook, the slidable support is provided with a rotatable hook, and the hook is matched with the arc hook;

the two side ends of the transverse lever are provided with second U-shaped hinged frames which are also provided with hinged holes, the first U-shaped hinged frame is hinged with the first hinged sleeve through central shafts with limiting ends at two ends, and the second U-shaped hinged frame is hinged with the second hinged sleeve through central shafts with limiting ends at two ends.

Further, the pulleys comprise a fixed pulley and a movable pulley, and the change of the stress direction of the steel cable and the lifting are respectively completed through the fixed pulley and the movable pulley.

Further inject, the inner chamber of body frame distributes and has cable wire, movable pulley, the bottom of movable pulley is connected with a plurality of balancing weights through transition structure, with the balancing weight complex the one end of cable wire is passed through the buckle and is connected with last urceolus lock, such structural design increases the terminal load of cable wire through the balancing weight, accomplishes the promotion of cable wire to the balancing weight through the movable pulley, is connected the back through the cable wire that makes the connection balancing weight and last urceolus lock, and barbell rod sleeve locks behind last urceolus, can directly insert the load of balancing weight, and do not additionally articulate olympic counterweight plate, convenient to use more.

Further inject, the outside of body frame is connected with the protective housing, the protective housing is the concatenation formula structure, the protective housing includes inner shell, shell and connects the top shell between inner shell, the well lower part of inner shell is equipped with changes the window, and such structural design keeps apart the balancing weight of up-and-down motion through the protective housing, avoids personnel's training in-process, and the people is hindered to the balancing weight accident, accomplishes the change of replacement, the load size of balancing weight through changing the window.

Further, the power input end of the steel cable is connected with a horizontal leg trainer, and the horizontal leg trainer is connected with the steel cable through the structural design to provide an input end structure for training.

Further inject, long stand, short stand, end horizontal pole, top horizontal pole, auxiliary rod, go up the pendulum rod, vertical side's pipe all adopt the preparation of cavity square steel down for the structure is lighter-weighted more.

Further, the outer side of the transverse lever is provided with a pull-up bracket, and the content of the training items is enriched due to the structural design.

Further inject, vertical square pipe is equipped with a row of screw hole along length direction, but sliding support passes through the cooperation of bolt and screw hole and accomplishes the location locking with vertical square pipe, and such structural design is through the cooperation of bolt and screw hole for but sliding support can accomplish the location locking.

The invention has the beneficial effects that:

1. the auxiliary frame can be rotationally folded relative to the main frame, so that the space required by storage is reduced;

2. the transverse lever can be turned and folded by 90 degrees, and the space required by storage is also reduced;

3. the auxiliary frame is provided with a telescopic pedal fixer and fixed support legs, the fixed support legs are used for bearing the main frame, on one hand, the telescopic pedal fixer extends downwards to contact the ground to provide bearing when the auxiliary frame needs to be fixed statically, and on the other hand, the telescopic pedal fixer resets upwards when the auxiliary frame needs to rotate, so that enough space is reserved between the bottom of the auxiliary frame and the ground, and the auxiliary frame cannot be interfered by the telescopic pedal fixer when rotating;

4. the barbell rod sleeve is arranged and used for placing the disassembled barbell, so that the placing space is saved, one end of a steel cable matched with the balancing weight is buckled and connected with the upper outer barrel through a buckle, and the barbell rod sleeve is locked on the upper outer barrel and can be directly connected with the load of the balancing weight for training without additionally hanging an Olympic balancing weight piece, so that the barbell rod sleeve is more convenient to use;

5. the articulated axis that sets up cable wire and body frame, subframe is coaxial distribution, when avoiding the subframe to rotate folding about the body frame, the cable wire jumper breaks away from the race of pulley for folding action can stably go on.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic side view of an embodiment of a stable and reliable foldable Smith training frame according to the present invention;

FIG. 2 is a schematic side view of a stable and reliable foldable Smith training stand according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a horizontal leg trainer in accordance with an embodiment of the foldable Smith training frame of the invention;

FIG. 4 is a schematic structural diagram of a main frame of an embodiment of a stable and reliable foldable Smith training frame according to the present invention;

FIG. 5 is a schematic structural diagram of an upper swing link in an embodiment of a stable and reliable foldable Smith training frame according to the present invention;

FIG. 6 is an enlarged view of an embodiment of a stable and reliable foldable Smith training stand of the present invention at A;

FIG. 7 is an enlarged view of the foldable Smith training stand embodiment of the invention at B;

the main element symbols are as follows:

the main frame 1, the long upright post 101, the short upright post 102, the bottom cross-bar 103, the first U-shaped hinged frame 104, the top cross-bar 105 and the auxiliary rod 106;

the auxiliary frame 2, an upper swing rod 21, a first hinge sleeve 211, a second hinge sleeve 213, a tube seat 214, a vertical square tube 22, a round tube 23, an upper outer tube 231, a placing hook 232, a lower outer tube 233 and a lower swing rod 24;

a short cross beam 3;

a retractable pedal holder 41, a fixed leg 42;

a transverse lever 5, a second U-shaped hinging frame 51;

a barbell bar sleeve 6, a middle bar 61, an edge bar 62, a lock frame 63, a lock pin 64 and an arc hook 65;

a slidable support 7 and a hook 71;

a protective shell 8;

a pulley 9;

a steel cord 10;

a horizontal leg exerciser 11.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1-7, the stable and reliable foldable smith training frame comprises pulleys 9 with wheel grooves, steel cables 10 with regular distribution tracks through the pulleys 9, and a frame body for mounting the pulleys 9, wherein the frame body comprises two main frames 1 in a mirror image structure, a plurality of short cross beams 3 connected between the main frames 1 and distributed at intervals from top to bottom, two auxiliary frames 2 respectively hinged with the main frames 1, and a transverse lever 5 hinged between the upper parts of the auxiliary frames 2, and the steel cables 10 used for transition between the main frames 1 and the auxiliary frames 2 are coaxially distributed with the hinge axes of the main frames 1 and the auxiliary frames 2;

the bottom of the main frame 1 is connected with a fixed support leg 42, and the bottom of the auxiliary frame 2 is connected with a telescopic pedal fixer 41;

the main frame 1 comprises a long upright post 101, a short upright post 102, a bottom cross-bar 103, a top cross-bar 105, an auxiliary bar 106 and first U-shaped hinge frames 104, wherein the bottom cross-bar 103 is positioned between the bottoms of the long upright post 101 and the short upright post 102, the top cross-bar 105 is positioned above the short upright post 102 and on the side of the long upright post 101, the auxiliary bar 106 is positioned between the upper parts of the long upright post 101 and the short upright post 102, the first U-shaped hinge frames 104 are respectively positioned at the end of the top cross-bar 105 and on the outer side of the bottom of the short upright post 102, the first U-shaped hinge frames 104 are provided with hinge holes, and the plane positions of the two first U-shaped hinge frames 104 are mutually overlapped;

the subframe 2 comprises an upper swing rod 21, a lower swing rod 24, a vertical square tube 22 and a round tube 23, wherein the vertical square tube 22 and the round tube 23 are connected between the upper swing rod 21 and the lower swing rod 24, the ends of the upper swing rod 21 and the lower swing rod 24 are respectively provided with a first hinging sleeve 211 matched with the first U-shaped hinging frame 104, the side surfaces of the upper swing rod 21 and the lower swing rod 24 are respectively provided with a tube seat 214 for splicing the round tube 23, the inner side of the upper swing rod 21 is provided with a second hinging sleeve 213 with a horizontal axis, the round tube 23 is sleeved with an upper outer tube 231 and a lower outer tube 233, the vertical square tube 22 is sleeved with a slidable support 7, the lower outer tube 233 is fixedly connected with the slidable support 7, the upper tube 231 is provided with a placing hook 232, the placing hook 232 is provided with a lock hole, the placing hook 232 is connected with a barbell rod sleeve 6, the barbell rod sleeve 6 is provided with a middle rod 61, side rods 62 positioned at the two ends of the middle rod 61, the bottom of the side rod 62 is provided with a locking frame 63, the locking frame 63 and the placing hook 232 is penetrated by a lock pin 64, the other end of the side rod 62 is connected with an arc hook 65, the slidable support 7 is provided with a rotatable hook 71, and the hook 71 is matched with the arc hook 65;

two ends of the transverse lever 5 are provided with second u-shaped hinging frames 51, the second u-shaped hinging frames 51 are also provided with hinging holes, the first u-shaped hinging frame 104 is hinged with the first hinging sleeve 211 through central shafts with limit at two ends, and the second u-shaped hinging frame 51 is hinged with the second hinging sleeve 213 through central shafts with limit at two ends.

In the implementation of the present invention, the stable and reliable foldable smith training frame of the present invention mainly has the following improvements and advantages: 1. the sub-frame can be folded in rotation with respect to the main frame 1, thereby reducing the space required for storage; 2. the transverse lever 5 can be turned and folded by 90 degrees, and the space required by storage is also reduced; 3. the telescopic pedal fixer 41 and the fixed support leg 42 are arranged, the fixed support leg 42 is used for bearing the main frame 1, on one hand, the telescopic pedal fixer 41 extends downwards to contact the ground to provide bearing when the auxiliary frame 2 needs to be fixed, and on the other hand, the telescopic pedal fixer 41 resets upwards when the auxiliary frame 2 needs to rotate, so that enough space is reserved between the bottom of the auxiliary frame 2 and the ground, and the auxiliary frame 2 cannot be interfered by the telescopic pedal fixer 41 when rotating; 4. the barbell bar sleeve 6 is arranged for placing the disassembled barbell, so that the placing space is saved; 5. the steel cable 10 is coaxially distributed with the hinge axes of the main frame 1 and the auxiliary frame 2, so that the steel cable 10 is prevented from jumping wires and separating from the wheel groove of the pulley 9 when the auxiliary frame rotates and folds relative to the main frame 1, and the folding action can be stably carried out;

the specific process is as follows:

when folding, only take off a center pin between 5 and subframe 2 of the horizontal lever at first, can move between second U-shaped articulated frame 51 and second articulated sleeve 213, at this moment, 5 can carry on 90-degree turn-over folding horizontally, take off barbell rod sleeve 6 from putting hook 232 again, make two flexible pedal fixers 41 shrink, there is no fixed structure between two subframes 2, can rotate around the pin joint freely, subframe 2 does the rotary motion with the axis where first U-shaped articulated frame 104, first articulated sleeve 211 locates, rotate, in the course of rotating, 10 positions of steel cable on the axis of rotation, its position will not change, therefore the rotary motion of subframe 2 will not cause the wire jumper of 10 of steel cable to take off the groove, guarantee the stability of folding is gone on;

after barbells are stacked, in order to lock the posture of the barbell bar sleeve 6 and avoid the situation that the barbell bar sleeve 6 is locked and falls to cause safety accidents, the barbell bar sleeve 6 is locked by the locking pin 64 penetrating through the locking frame 63 and the placing hook 232, at the moment, the barbell bar sleeve 6 cannot rotate, but the barbell bar sleeve 6 is connected with the upper outer cylinder 231 through the locking pin 64, the locking frame 63 and the placing hook 232 and can also slide up and down along the circular tube 23 along the upper outer cylinder 231, therefore, the other end of the side rod 62 is connected with the arc hook 65, the slidable support 7 is provided with the rotatable hook 71, after the hook 71 is hooked with the arc hook 65, the barbell bar sleeve 6 is further locked, so that the barbell bar sleeve 6 cannot move up and down, the positioning and locking are completely carried out, the height position of the slidable support 7 on the vertical square tube 22 is adjusted, the height position of the lower outer cylinder 233 can be changed, and the lower outer cylinder 233 directly receives the upper outer cylinder 231 and the barbell bar sleeve 6, therefore, the placing height of the barbell bar sleeve 6 can be changed, the automatic adjustment can be realized according to the actual requirement, and the degree of freedom is higher;

since the end of top-rail 105 is connected to first u-shaped coupling frame 104, the position of first u-shaped coupling frame 104 is determined, and the position of first u-shaped coupling frame 104 determines the position of the coupling axis, in order that the position of the coupling axis of two main frames 1 will not be wrong, the position of top-rail 105 is located by the following structure:

bottom cross bar 103 is located long stand 101, between the short stand 102 bottom, top cross bar 105 is located the top of short stand 102, long stand 101's side, vice pole 106 is located long stand 101, between the short stand 102 upper portion, by bottom cross bar 103, vice pole 106 guarantees long stand 101, interval between the short stand 102, the height of top cross bar 105 is fixed a position through short stand 102, through the end position of long stand 101 location top cross bar 105, thereby at vertical and vertical two direction location top cross bar 105, guarantee top cross bar 105's position.

Preferably, the pulley 9 comprises a fixed pulley and a movable pulley, and the structure is designed to respectively change the force direction of the steel cable 10 and lift the steel cable. In practice, other types of pulley 9 may be specifically considered as the case may be.

Preferably, the inner chamber distribution of body frame 1 has cable wire 10, the movable pulley, the bottom of movable pulley is connected with a plurality of balancing weights through transition structure, pass through the buckle with balancing weight complex cable wire 10's one end and be connected with last urceolus 231 lock, such structural design, increase the terminal load of cable wire 10 through the balancing weight, accomplish cable wire 10 through the movable pulley and to the promotion of balancing weight, be connected the back with last urceolus lock through the cable wire that makes the connection balancing weight, barbell rod sleeve 6 locks behind last urceolus 231, can directly insert the load of balancing weight, and do not additionally articulate olympic counter weight piece, and convenient to use more. In fact, other configurations for providing the load may be specifically contemplated as the case may be.

Preferably, the outside of body frame 1 is connected with protective housing 8, and protective housing 8 is the concatenation formula structure, and protective housing 8 includes inner shell, and connects the inner shell, shell top shell between them, and the well lower part of inner shell is equipped with the change window, and such structural design keeps apart the balancing weight of up-and-down motion through protective housing 8, avoids personnel's training in-process, and the people is hindered to the balancing weight accident, accomplishes the replacement of balancing weight, the change of load size through changing the window. In fact, other structures for protection may also be specifically considered as the case may be.

Preferably, the power input end of the steel cable 10 is connected with a horizontal leg trainer 11, and the structure is designed to provide the input end structure of training by connecting the horizontal leg trainer 11 with the steel cable 10. In fact, other configurations of the input may be specifically contemplated, as the case may be.

Preferably, the long upright post 101, the short upright post 102, the bottom cross bar 103, the top cross bar 105, the auxiliary bar 106, the upper swing rod 21, the lower swing rod 24 and the vertical square tube 22 are all made of hollow square steel, and due to the structural design, the structure is lighter. In fact, other structures for increasing the weight reduction may be specifically considered according to the specific circumstances.

Preferably, the outer side of the transverse lever 5 is provided with a pull-up bracket, and the structural design enriches the content of the training program. In fact, other configurations of the enriched training program may be specifically contemplated as well, depending on the particular situation.

Preferably, vertical square pipe 22 is equipped with a row of screw hole along length direction, but sliding support 7 through the cooperation of bolt and screw hole accomplish with vertical square pipe 22 location locking, such structural design through the cooperation of bolt and screw hole for but sliding support 7 can accomplish location locking. In fact, other configurations of the positioning and locking of the slidable support 7 are also specifically contemplated, according to the specific circumstances.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a reliable and stable collapsible smith training frame, includes pulley (9) that are equipped with the race, through cable wire (10) of pulley (9) standard distribution orbit, is used for installing the support body of pulley (9), its characterized in that: the frame body comprises two main frames (1) in a mirror image structure, a plurality of short cross beams (3) which are connected between the main frames (1) and are distributed at intervals from top to bottom, two auxiliary frames (2) which are respectively hinged with the main frames (1), and transverse levers (5) which are hinged between the upper parts of the auxiliary frames (2), wherein steel cables (10) used for transition between the main frames (1) and the auxiliary frames (2) are coaxially distributed with the hinged axes of the main frames (1) and the auxiliary frames (2);

the bottom of the main frame (1) is connected with a fixed support leg (42), and the bottom of the auxiliary frame (2) is connected with a telescopic pedal fixer (41);

the main frame (1) comprises long upright posts (101), short upright posts (102), a bottom cross rod (103), a top cross rod (105), auxiliary rods (106) and first U-shaped hinged frames (104), wherein the bottom cross rod (103) is positioned between the bottoms of the long upright posts (101) and the short upright posts (102), the top cross rod (105) is positioned above the short upright posts (102) and on the side of the long upright posts (101), the auxiliary rods (106) are positioned between the upper parts of the long upright posts (101) and the short upright posts (102), the first U-shaped hinged frames (104) are respectively positioned at the ends of the top cross rod (105) and the outer sides of the bottoms of the short upright posts (102), the first U-shaped hinged frames (104) are provided with hinged holes, and the plane positions of the two first U-shaped hinged frames (104) are mutually overlapped;

the auxiliary frame (2) comprises an upper swing rod (21), a lower swing rod (24), a vertical square tube (22) and a round tube (23) which are connected between the upper swing rod (21) and the lower swing rod (24), the ends of the upper swing rod (21) and the lower swing rod (24) are respectively provided with a first hinged sleeve (211) matched with a first U-shaped hinged frame (104), the side surfaces of the upper swing rod (21) and the lower swing rod (24) are respectively provided with a tube seat (214) for inserting the round tube (23), the inner side of the upper swing rod (21) is provided with a second hinged sleeve (213) with a horizontal axis, the round tube (23) is sleeved with an upper outer tube (231) and a lower outer tube (233), the vertical square tube (22) is sleeved with a slidable support (7), the lower outer tube (233) is fixedly connected with the slidable support (7), the upper outer tube (231) is provided with a placement hook (232), the placement hook (232) is provided with a lock hole, the placing hook (232) is connected with a barbell rod sleeve (6), the barbell rod sleeve (6) is provided with a middle rod (61) and side rods (62) positioned at two ends of the middle rod (61), the bottom of each side rod (62) is provided with a locking frame (63), the locking frame (63) and the placing hook (232) are penetrated through by a locking pin (64), the other end of each side rod (62) is connected with an arc hook (65), the slidable support (7) is provided with a rotatable hook (71), and the hook (71) is matched with the arc hook (65);

two ends of the transverse lever (5) are provided with second U-shaped hinged frames (51), the second U-shaped hinged frames (51) are also provided with hinged holes, the first U-shaped hinged frame (104) is hinged with the first hinged sleeve (211) through central shafts with limiting ends, and the second U-shaped hinged frames (51) are hinged with the second hinged sleeve (213) through central shafts with limiting ends.

2. A stable and reliable foldable smith training frame as claimed in claim 1, wherein: the pulley (9) comprises a fixed pulley and a movable pulley.

3. A stable and reliable foldable smith training frame as claimed in claim 2, wherein: the inner cavity of the main frame (1) is distributed with a steel cable (10) and a movable pulley, the bottom of the movable pulley is connected with a plurality of balancing weights through a transition structure, and one end of the steel cable (10) matched with the balancing weights is connected with an upper outer barrel (231) in a buckling mode through a buckle.

4. A stable and reliable foldable smith training frame as claimed in claim 3, wherein: the outside of body frame (1) is connected with protective housing (8), protective housing (8) are the concatenation formula structure, protective housing (8) include inner shell, shell and connect the topshell between inner shell, the well lower part of inner shell is equipped with the change window.

5. A stable and reliable foldable Smith training frame according to claim 4, wherein: the power input end of the steel cable (10) is connected with a horizontal leg trainer (11).

6. A stable and reliable foldable Smith training frame according to claim 5, wherein: the long upright posts (101), the short upright posts (102), the bottom cross rod (103), the top cross rod (105), the auxiliary rods (106), the upper swing rods (21), the lower swing rods (24) and the vertical square tubes (22) are all made of hollow square steel.

7. A stable and reliable foldable Smith training frame according to claim 6, wherein: and a pull-up bracket is arranged on the outer side of the transverse lever (5).

8. A stable and reliable foldable smith training frame as claimed in claim 7, wherein: vertical side's pipe (22) are equipped with a row of screw hole along length direction, but sliding support (7) accomplish through the cooperation of bolt and screw hole with the location locking of vertical side's pipe (22).