CN217391486U

CN217391486U - Dorsal muscle trainer

Info

Publication number: CN217391486U
Application number: CN202220646352.4U
Authority: CN
Inventors: 李宝明; 张子良; 王利; 张铎; 张立军; 李鑫海
Original assignee: Sanhe Guiyuxing Sports Goods Co ltd
Current assignee: Sanhe Guiyuxing Sports Goods Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-09-09
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a dorsal muscle trainer, which belongs to the technical field of fitness equipment. The trainer comprises a balancing weight, a supporting column bearing rod, an H-shaped frame and a connecting rod; the support column is vertically fixed on the ground; the same side of the supporting column is provided with an upper hinged branch and a lower hinged branch which are vertical to the supporting column; the tail end of the lower hinged branch is hinged with one end of the bearing rod, and the balancing weight is detachably arranged at the other end of the bearing rod; one end of the upper hinged branch is hinged with one end of the two horizontal branches of the H-shaped frame through a hinged column; one end of the connecting rod is hinged with the tail end of the corresponding horizontal branch knot, and the other end of the connecting rod is hinged with the middle position of the bearing rod; the hinged end of one horizontal branch of the H-shaped frame is also provided with an L-shaped frame fixedly connected with the hinged end; the utility model discloses can strengthen low limbs strength, improve knee, ankle joint's stability, effectively alleviate back muscle fatigue, prevent the lumbar muscle strain, strengthen back muscle strength.

Description

Dorsal muscle trainer

Technical Field

The utility model relates to body-building apparatus technical field, in particular to dorsal muscle training device.

Background

The existing dorsal muscle trainer is generally realized through the principle of a lever, a body-building person stretches downwards at one end of the lever, and the other end of the lever pulls a balancing weight hung at the bottom of a steel cable to move up and down through the steel cable so as to achieve the purpose of body building; or the other end of the lever is extended and retracted through a fixed elastic pull rope to achieve the purpose of body building; the elastic pull rope is adopted, and the elastic pull rope can be broken suddenly at a certain time due to the service life of the elastic pull rope, so that other people can be injured; both of these methods can only train the muscles of the back, and it is difficult to coordinate the whole body movement.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a dorsal muscle training device. The trainer can enhance the strength of lower limbs, improve the stability of knee joints and ankle joints, effectively relieve back muscle fatigue, prevent lumbar muscle strain and enhance back muscle strength.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

the dorsal muscle trainer comprises a balancing weight and a supporting column, wherein the supporting column is vertically fixed on the ground; the device also comprises a bearing rod, an H-shaped frame and a connecting rod; an upper hinged branch and a lower hinged branch which are perpendicular to the supporting columns are arranged on the same side of the supporting columns; the tail end of the lower hinged branch is hinged with one end of the bearing rod, and the balancing weight is detachably arranged at the other end of the bearing rod; one end of the upper hinged branch is hinged with one end of the two horizontal branches of the H-shaped frame through a hinged column; one end of the connecting rod is hinged with the tail end of the corresponding horizontal branch knot, and the other end of the connecting rod is connected to the middle position of the bearing rod through a joint bearing; the hinged end of one horizontal branch of the H-shaped frame is also provided with an L-shaped frame fixedly connected with the hinged end, and the tail end of the short branch of the L-shaped frame is fixed on the corresponding horizontal branch; the long branch of the L-shaped frame extends outwards, and is parallel to the ground; a stool is arranged below the long branch of the L-shaped frame, and a T-shaped support frame is arranged in front of the stool; the long branch is sleeved with a rubber wheel.

Furthermore, the counterweight block is of an annular structure, and counterweight columns for mounting the counterweight block are arranged on two sides of the other end of the bearing rod; when the exercise, the balancing weight is sleeved on the balancing weight column.

Further, the non-connecting end of the counterweight column is inclined upwards.

Furthermore, a reinforcing rod is arranged below the bearing rod; the bottom of the hinged end of bearing bar is connected to gusset bar one end, and the bottom at the bearing bar other end is connected to the other end.

Further, the outer surface of the rubber wheel is provided with a pit for increasing friction force.

Furthermore, a placing column for placing an unused balancing weight is also arranged on the supporting column; the non-connecting end of the placing column is inclined upwards.

The bearing rod is hinged to the bearing rod through a hinge joint, and the bearing rod is hinged to the bearing rod through a hinge joint; a rotating shaft sleeve for mounting a rotating shaft is arranged at the central shaft of the rotating ring, and the outer wall of the rotating shaft sleeve is connected with the inner wall of the rotating ring through three supporting connecting plates; the limiting block is provided with a groove and is divided into two parts by the groove; the limiting blocks are clamped on the corresponding supporting connecting plates through the grooves, and two parts of the same limiting block are respectively positioned in the adjacent arc-shaped areas; the limiting shafts are three and are fixed on two opposite clamping plates of the U-shaped groove and penetrate through arc-shaped areas in the corresponding rotary rings.

The utility model adopts the beneficial effect that above-mentioned technical scheme produced lies in:

1. when the utility model is used, the forces of the upper body and the lower limbs need to be coordinated at the same time; a person sits on the sitting stool, the front half sole is placed below the cross branch of the T-shaped support frame, and the back leans against the rubber wheel of the long branch of the L-shaped frame and presses backwards; not only can strengthen the strength of lower limbs in the whole exercise process, improve the stability of knee joints and ankle joints, but also can effectively relieve the fatigue of back muscles, prevent lumbar muscle strain and strengthen the strength of the back muscles.

2. The utility model discloses a be equipped with the pit on the rubber wheel, reduce the area of contact of back and rubber wheel, increase the frictional force in the unit area of contact.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of a connection structure of the H-shaped frame and the L-shaped frame of fig. 1.

Fig. 3 is a schematic diagram of a limiting structure according to an embodiment of the present invention.

In the figure: 1. balancing weight, 2, bearing rod, 3, connecting rod, 4, H-shaped frame, 5, upper hinged branch, 6, supporting column, 7, L-shaped frame, 8, lower hinged branch, 9, sitting stool, 10, T-shaped supporting frame, 11, reinforcing rod, 12, balancing weight column, 4.1 horizontal branch, 4.2, cross branch, 7.1 short branch, 7.2 long branch, 7.3 and rubber wheel. 31. The device comprises a rotating shaft, 32, a limiting block, 33, a rotating shaft sleeve, 34, a support connecting plate, 35, a rotating ring, 36, a limiting shaft, 37 and a U-shaped groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of 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 that other drawings can be obtained according to these drawings without inventive labor.

Referring to fig. 1 to 3, the present embodiment includes a weight block 1, a support pillar 6, a bearing rod 2, an H-shaped frame 4, and a connecting rod 3;

the supporting column is vertically fixed on the ground; the same side of the supporting column is provided with an upper hinged branch 5 and a lower hinged branch 8 which are vertical to the supporting column; the tail end of the lower hinged branch is hinged with one end of the bearing rod, and the balancing weight is detachably mounted at the other end of the bearing rod. In this embodiment, the counterweight block is of an annular structure, and counterweight columns 12 for mounting the counterweight block are arranged on two sides of the other end of the bearing rod; when the exercise, the balancing weight is sleeved on the balancing weight column.

One end of the upper hinged branch is hinged with one end of the two horizontal branches of the H-shaped frame through a hinged column; one end of the connecting rod is hinged with the tail end of the corresponding horizontal branch knot, and the other end of the connecting rod is connected to the middle position of the bearing rod through a joint bearing; the hinged end of one horizontal branch of the H-shaped frame is also provided with an L-shaped frame 7 fixedly connected with the hinged end, wherein the tail end of a short branch 7.1 of the L-shaped frame is fixed on the corresponding horizontal branch; the long branch of the L-shaped frame extends outwards, and is parallel to the ground; a stool 9 is arranged below the long branch of the L-shaped frame, and a T-shaped support frame 10 is arranged in front of the stool; the long branch joint 7.2 is sleeved with a rubber wheel 7.3.

The non-connecting end of the counterweight column is inclined upwards, and a reinforcing rod 11 is arranged below the bearing rod; the bottom of the hinged end of bearing bar is connected to gusset bar one end, and the bottom at the bearing bar other end is connected to the gusset bar other end. And the outer surface of the rubber wheel is provided with a pit for increasing friction force. The support column is also provided with a placing column for placing unused counter weights; the non-connecting end of the placing column is inclined upwards.

The limiting structure comprises a rotating ring 35 fixed at the hinged end of the bearing rod, a U-shaped groove 37 at the tail end of the lower hinged branch, a limiting block 32 positioned in the rotating ring, a limiting shaft 36 and a rotating shaft 31; a rotating shaft sleeve for mounting a rotating shaft is arranged at the central shaft of the rotating ring, and the outer wall of the rotating shaft sleeve 33 is connected with the inner wall of the rotating ring through three supporting connecting plates; the limiting block is provided with a groove and is divided into two parts by the groove; the limiting blocks are clamped on the corresponding support connecting plates 34 through the grooves, and two parts of the same limiting block are respectively positioned in the adjacent arc-shaped areas; the limiting shafts are three and are fixed on two opposite clamping plates of the U-shaped groove and penetrate through arc-shaped areas in the corresponding rotating rings. When the utility model is used, the forces of the upper body and the lower limbs need to be coordinated at the same time; the front sole is placed below the transverse branch of the T-shaped frame, and the back leans against the rubber wheel of the long branch of the L-shaped frame and presses backwards; at the moment, the L-shaped frame drives the H-shaped frame to rotate upwards, and the H-shaped frame drives the bearing rod to rotate upwards through the connecting rod and presses backwards to a certain angle to achieve extreme limit; the back foreruns, the long branch section of the L-shaped frame is abutted against the back, and due to the balancing weight at the tail end of the bearing rod, the long branch section moves forwards along with the back, and after the limit is reached, the long branch section is positioned right above the stool.

The rubber wheel rotates in the movement process of the long branch knot on the back.

Claims

1. The dorsal muscle trainer comprises a balancing weight (1) and a supporting column (6), wherein the supporting column is vertically fixed on the ground; the device is characterized by also comprising a bearing rod (2), an H-shaped frame (4) and a connecting rod (3); an upper hinged branch (5) and a lower hinged branch (8) which are perpendicular to the support columns are arranged on the same side of the support columns; the tail end of the lower hinged branch is hinged with one end of the bearing rod, and the balancing weight is detachably arranged at the other end of the bearing rod; one end of the upper hinged branch is hinged with one end of the two horizontal branches of the H-shaped frame through a hinged column; one end of the connecting rod is hinged with the tail end of the corresponding horizontal branch knot, and the other end of the connecting rod is hinged with the middle position of the bearing rod; the hinged end of one horizontal branch of the H-shaped frame is also provided with an L-shaped frame (7) fixedly connected with the hinged end, and the tail end of a short branch (7.1) of the L-shaped frame is fixed on the corresponding horizontal branch; the long branch of the L-shaped frame extends outwards, and is parallel to the ground; a stool (9) is arranged below the long branch of the L-shaped frame, and a T-shaped support frame (10) is arranged in front of the stool; the long branch knot (7.2) is sleeved with a rubber wheel (7.3).

2. The dorsal muscle trainer as set forth in claim 1, wherein the weight-balancing block is of a ring-shaped structure, and a weight-balancing column (12) for mounting the weight-balancing block is provided on both sides of the other end of the bearing rod; when the exercise, the balancing weight is sleeved on the balancing weight column.

3. The dorsal muscle trainer as set forth in claim 2, wherein the unattached ends of the counterweight posts are angled upwardly.

4. The dorsal muscle trainer as set forth in claim 2, wherein a reinforcing bar (11) is further provided below the bearing bar; the bottom of the hinged end of bearing bar is connected to gusset bar one end, and the bottom at the bearing bar other end is connected to the gusset bar other end.

5. The dorsal muscle trainer as set forth in claim 1, wherein the outer surface of the rubber wheel is provided with dimples for increasing friction.

6. The dorsal muscle trainer as set forth in claim 1, wherein the support column is further provided with a placing column for placing an unused weight; the non-connecting end of the placing column is inclined upwards.

7. The dorsal muscle trainer as claimed in claim 1, further comprising a limit structure, wherein the limit structure comprises a rotating ring (35) fixed at the hinged end of the bearing rod, a U-shaped groove (37) at the end of the lower hinged branch, a limit block (32) positioned in the rotating ring, a limit shaft (36) and a rotating shaft (31); a rotating shaft sleeve for mounting a rotating shaft is arranged at the central shaft of the rotating ring, and the outer wall of the rotating shaft sleeve (33) is connected with the inner wall of the rotating ring through three supporting connecting plates; the limiting block is provided with a groove and is divided into two parts by the groove; the limiting blocks are clamped on the corresponding support connecting plates (34) through the grooves, and two parts of the same limiting block are respectively positioned in the adjacent arc-shaped areas; the limiting shafts are three and are fixed on two opposite clamping plates of the U-shaped groove and penetrate through arc-shaped areas in the corresponding rotary rings.