CN213589655U

CN213589655U - An upper arm training machine with variable force arm

Info

Publication number: CN213589655U
Application number: CN202022571996.5U
Authority: CN
Inventors: 王富健
Original assignee: Shandong Lide Sports Equipment Co ltd
Current assignee: Shandong Lide Sports Equipment Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-02
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to an upper arm training machine with a variable force arm, comprising a fixed frame, an upper arm pad mounted on the frame and two left-right symmetrical training devices. Located in front of the top, the training device includes a rotating arm hinged on the frame, a counterweight installed on the rotating arm, and a handle assembly installed at the lower end of the rotating arm, and the rotating arm is located on both sides of the upper arm pad, The rotating arm is inclined and the lower end is located in front of the upper end, the utility model can realize the training of a single arm or two arms at the same time, and can perform good training on the biceps brachii and the nearby muscle groups. The rotation of the rotating arm changes the distance of the force arm of the counterweight relative to the rotation center of the rotating arm, so that the training force of the trainer changes with the rotation stroke of the rotating arm, and different training effects are achieved.

Description

Upper arm training machine capable of changing force arm

Technical Field

The utility model relates to a body-building apparatus technical field especially involves upper arm training machinery, specifically indicates an upper arm training machine that can change the arm of force.

Background

At present, along with the improvement of living standard of people, people pay more and more attention to self health, various fitness equipment is developed and marketed, in order to keep body health and posture, biceps brachii is a muscle which can be exercised frequently during fitness, and training equipment aiming at biceps brachii on the market at present is very many, but the equipment can hardly achieve the training effect required by the specialty and can not meet the professional training.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide an upper arm training machine that can change the arm of force, can play good training effect to muscle groups such as biceps brachii muscle.

The utility model discloses a through following technical scheme realizes, provides a can change upper arm training machine of arm of force, including the training device that fixed frame, rack-mounted upper arm backing plate and two bilateral symmetry set up, upper arm backing plate slope set up and the bottom is located the place ahead on top, training device is including articulating the rotor arm in the frame, install the counter weight on the rotor arm and install the hand (hold) subassembly at the rotor arm lower extreme, the rotor arm is located the both sides of upper arm backing plate, the rotor arm slope sets up and the place ahead that the lower extreme is located the upper end, the projection slope of the articulated axis of rotor arm and frame on the horizontal plane sets up, and the outside of articulated axis is located the inboard the place ahead of articulated axis.

The upper arm backing plate in this scheme is used for supporting upper arm and elbow, hold two hand (hold) subassemblies respectively through both hands, make biceps brachii muscle shrink, drive the rotor arm and upwards rotate, thereby overcome the counter weight and train, because the rotor arm is located the inboard place ahead of hinge axis with the outside of the hinge axis of frame, along with the rotor arm upwards rotates, the hand (hold) subassembly of two rotor arm lower extremes moves to the direction that is close to, thereby during the messenger trains, along with biceps muscle shrink, two hands move to the direction that is close to, thereby reach good training effect, this upper arm training machine can also train a certain arm alone.

Preferably, the training device further comprises a pull rod and an adjusting arm hinged to the rotating arm, the balance weight is mounted on the adjusting arm, one end of the pull rod is hinged to the adjusting arm, and the other end of the pull rod is hinged to the rack. The counter weight is installed on the adjustment arm in this scheme, and when the rotor arm rotated, the pull rod drove the adjustment arm and rotates for the rotor arm to change the counter weight for the arm of force distance of rotor arm rotation center, thereby along with the rotation stroke of rotor arm, make training personnel's training power produce the change, play different training effects.

Preferably, the balance weight comprises a barbell shaft fixedly connected to the adjusting arm, and barbell discs are mounted on the barbell shaft. The barbell shaft in the scheme is provided with barbell pieces, and the weight of the balance weight can be adjusted by adjusting the size and the number of the barbell pieces.

Preferably, the upper end of the rotating arm is fixedly connected with a power assisting block, and the power assisting block is positioned above the hinged shaft of the rotating arm and the rack. The helping hand piece in this scheme is located the top of rotor arm and frame articulated shaft to play the helping hand effect when training action just begins, when the helping hand piece rotated under rotor arm and the frame articulated shaft, the helping hand effect disappeared.

Preferably, a seat is installed on the rack and is located behind the upper arm cushion plate and lower than the upper arm cushion plate. Through the seat that sets up in this scheme, can realize training personnel position of sitting training.

Preferably, the seat is adjustable in height. The seat in this scheme is high adjustable to can adapt to the personnel of different height arm lengths.

As an optimization, the seat comprises a seat body, the seat body is connected with the frame through at least two seat connecting rods, two ends of each seat connecting rod are hinged to the frame and the seat body respectively, the hinge shafts are transversely arranged, and the seat further comprises a positioning device for fixing the seat body and the frame. The both ends of seat connecting rod are articulated with frame and seat body respectively in this scheme to make the seat reciprocate around the seat connecting rod, and realize the location of seat height through positioner.

As optimization, positioner is including articulating the handle on the seat body and the inserted bar of sliding connection on the seat body, it has the handle jack of rectangular shape to open on the inserted bar, the one end of handle is inserted in the handle jack, positioner still includes the picture peg of rigid coupling in the frame, it has a plurality of inserted bar male jacks of holding to open on the picture peg. In this scheme one end of handle inserted the handle jack, can drive the inserted bar through pulling the handle and along axial displacement, through inserting the inserted bar in the jack of difference, can realize the location of seat.

Preferably, the handle assembly comprises a rotary rod transversely connected to the lower end of the rotary arm in a shaft mode, the rotary rod is fixedly connected with the handle rod through a connecting rod, the lower end of the rotary arm is fixedly connected with a limiting plate, the connecting rod is fixedly connected with a pin shaft, and an arc-shaped groove allowing the pin shaft to penetrate through is formed in the limiting plate. The handle pole in this scheme is used for the user to grip, and the handle pole can be rotatory around the axis of rotary rod to adapt to the training personnel of different arm length.

Preferably, the handle rod is sleeved with a rotatable handle sleeve. The handle sleeve in the scheme can rotate on the handle rod, and when a trainer holds the handle sleeve to train, the trainer can keep the wrist posture unchanged through the rotation of the handle sleeve.

The utility model has the advantages that: the utility model discloses a can change upper arm training machine of arm of force can realize that single arm or two arms train simultaneously, can carry out fine training to biceps brachii muscle and near muscle crowd, drives the adjustment arm through the pull rod and rotates for the rotor arm to change the arm of force distance of counter weight for the rotor arm centre of rotation, thereby along with the rotation stroke of rotor arm, make training personnel's training power produce the change, play different training effects.

Drawings

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

fig. 2 is a front view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is a top view of the present invention;

fig. 5 is a cross-sectional view taken along the plane a-a of fig. 2 according to the present invention;

FIG. 6 is an enlarged view of the portion B of FIG. 1 according to the present invention;

FIG. 7 is a schematic view of the chair of the present invention;

shown in the figure:

1. the chair comprises a rotating arm, 2, a handle assembly, 3, an adjusting arm, 4, a pull rod, 5, a power assisting block, 6, an upper arm cushion plate, 7, a chair, 8, a rack, 9, a base plate, 21, a rotating rod, 22, a connecting rod, 23, a handle rod, 24, a handle sleeve, 25, a limiting plate, 26, a pin shaft, 71, a chair body, 72, a chair connecting rod, 73, a handle, 74, an inserting rod, 75, a guide sleeve, 76, a spring, 77 and an inserting plate.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1~7, the utility model discloses a can change upper arm training machine of arm of force, including fixed frame 8, the trainer that sets up at the upper arm backing plate 6 and two bilateral symmetry of installing in frame 8, frame 8 is including placing two grudging posts on subaerial chassis and rigid coupling, trainer installs on the grudging post, is connected with the intermediate junction roof beam between two grudging posts, plays stable effect, the top at the intermediate junction roof beam is fixed to upper arm backing plate 6.

The bottom rigid coupling of chassis has base plate 9, the bottom surface of base plate 9 is equipped with anti-skidding blotter, and this anti-skidding blotter cover is made by rubber or polyurethane material on the bottom surface of base plate 9, plays the effect of antiskid and buffering.

The upper arm backing plate 6 is obliquely arranged, the bottom end of the upper arm backing plate 6 is located in front of the top end of the upper arm backing plate 6, leather covers the upper end face of the upper arm backing plate 6, sponge is filled under the leather, and the width of the upper arm backing plate 6 is larger than the shoulder width of a person.

A seat 7 is installed on the rack, and the seat 7 is located behind the upper arm cushion plate 6 and is lower than the upper arm cushion plate 6. The frame 8 further comprises a middle vertical beam, the upper end of the middle vertical beam is fixedly connected with the upper arm base plate 6, the lower end of the middle vertical beam is fixedly connected with the underframe, and the seat 7 is installed on the middle vertical beam.

The seat 7 is adjustable in height so as to adapt to people with different heights and arm lengths.

Seat 7 includes seat body 71, and the up end of seat body 71 covers there is the leather, and the leather underfill has the sponge, seat body 71 is connected with frame 8 through two piece at least seat connecting rods 72, and seat body 71 is connected with frame 8 through 4 seat connecting rods 72 in this embodiment, the both ends of seat connecting rod 72 respectively with frame 8 and seat body 71 articulated and articulated axle horizontal setting, two seat connecting rods 72 are respectively equipped with to the both sides of seat body 71, the seat connecting rod 72 symmetry of both sides sets up, thereby arranges from top to bottom two seat connecting rods 72 of homonymy and constitutes the quadrangle to make seat body 71 can reciprocate.

The seat 7 further comprises a positioning device for fixing the seat body 71 to the frame 8, the positioning device comprises a handle 73 hinged on the seat body 71 and an insert rod 74 slidably connected on the seat body 71, a guide sleeve 75 is fixedly connected on the seat body 71, the insert rod 74 is inserted into the guide sleeve 75 so as to be capable of moving along the axial direction in the guide sleeve 75,

the handle inserting hole is formed in the inserting rod 74 in a long strip shape, one end of the handle 73 is inserted into the handle inserting hole, when the handle 73 rotates, the part, inserted into the handle inserting hole, of the handle drives the inserting rod 74 to move axially, the handle inserting hole is formed into a long strip-shaped long hole, the reason that the movement track of one end of the handle 73 is different from the movement track of the inserting rod 74 is that the long hole is formed to prevent clamping.

The positioning device further comprises an inserting plate 77 fixedly connected to the rack, a plurality of inserting holes into which the inserting rods 74 are inserted are formed in the inserting plate, and the seat body 71 moves up and down in an arc shape, so that the inserting plate 77 is an arc-shaped plate, and the inserting holes are arranged up and down.

The spring 76 sleeved on the inserted link 74 is arranged in the guide sleeve 75, the inserted link 74 is provided with a positioning boss, the positioning boss is positioned between the spring 76 and the inserted link, one end of the guide sleeve 75 far away from the inserted link is provided with a plug, and two ends of the spring 76 respectively prop against the positioning boss and the plug, so that the inserted link 74 is driven to be inserted into the inserted link through the elasticity of the spring 76.

The training device comprises a rotating arm 1 hinged to the rack, a balance weight arranged on the rotating arm 1 and a handle assembly 2 arranged at the lower end of the rotating arm 1, wherein the rotating arm 1 is located on two sides of an upper arm base plate 6.

The rotating arm 1 is a rectangular tube, the middle upper position of the rotating arm 1 is hinged with a vertical frame of the rack 8, so that the rotating arm 1 can swing back and forth, the rotating arm 1 is obliquely arranged, the lower end of the rotating arm is positioned in front of the upper end, the projection of the hinge axis of the rotating arm 1 and the hinge axis of the rack 8 on the horizontal plane is obliquely arranged, the outer side of the hinge axis is positioned in front of the inner side of the hinge axis, the outer side refers to the direction in which the two rotating arms 1 are far away from each other, and the outer side refers to the direction in which the two rotating arms 1 are close to each other, so that the.

Handle assembly 2 includes horizontal coupling at the rotary rod 21 of 1 lower extreme of rotor arm, and rotary rod 21 passes through the bearing and installs the lower extreme at rotor arm 1, rotary rod 21 passes through connecting rod 22 and handle pole 23 rigid coupling, and connecting rod 22 is perpendicular with rotary rod 21, and rotary rod 21 is parallel with handle pole 23, the lower extreme rigid coupling of rotor arm 1 has limiting plate 25, and limiting plate 25 is perpendicular with rotary rod 21, and the rigid coupling has round pin axle 26 on the connecting rod 22, it has the arc wall that holds round pin axle 26 and pass to open on the limiting plate 25, the central angle of arc wall is 45~100 degrees.

The handle rod 23 is sleeved with a rotatable handle sleeve 24, the handle sleeve 24 can rotate on the handle rod 23, and the handle sleeve is provided with an anti-slip rubber layer.

The training device further comprises a pull rod 4 and an adjusting arm 3 hinged to the rotating arm 1, the adjusting arm 3 is hinged to the lower portion of a hinged shaft of the rotating arm 1 and the rack, a hinged axis of the adjusting arm 3 is parallel to a hinged axis of the rotating arm 1 and the rack, the adjusting arm 3 is located in front of the rotating arm 1, one end of the pull rod 4 is hinged to the middle of the adjusting arm 3, the other end of the pull rod 4 is hinged to the rack 8, and a hinged point of the pull rod 4 and the rack 8 is located above the hinged axis of the rotating arm 1 and the rack.

The counter weight is installed on adjusting arm 3, the counter weight includes the barbell axle of rigid coupling on adjusting arm 3, barbell axle rigid coupling is in adjusting arm 3 keep away from the one end of rotor 1, the barbell piece is equipped with on the barbell axle.

The upper end of the rotating arm 1 is fixedly connected with a power assisting block 5, the power assisting block 5 is positioned above a hinged shaft of the rotating arm 1 and the rack 8, and the power assisting block 5 is a square metal block which is encapsulated with rubber.

The utility model discloses a use method: when the training device is used, a trainer sits on the seat, adjusts the height of the seat, pads the upper arm and the elbow on the upper arm backing plate 6, respectively holds the two handle sleeves 24 by two hands to contract the biceps brachii muscle and drive the rotating arm 1 to rotate upwards, thereby overcoming the counter weight to train.

As shown in figure 3, when the rotating arm 1 swings forwards, due to the action of the pull rod 4, the adjusting arm 3 rotates clockwise relative to the hinge center, the counterweight moves towards the direction far away from the rotating center of the rotating arm 1, so that the force arm length of the counterweight is increased, the leg of the trainer can exert force to be increased along with the forward swing of the rotating arm, and the training effect is enhanced.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims

1. An upper arm training machine with a variable force arm, characterized in that it comprises a fixed frame (8), an upper arm pad (6) installed on the frame (8), and two training devices arranged symmetrically on the left and right sides , the upper arm pad (6) is inclined and the bottom end is located in front of the top, the training device comprises a rotating arm (1) hinged on the frame, a counterweight installed on the rotating arm (1) and a The handle assembly (2) at the lower end of the rotating arm (1), the rotating arm (1) is located on both sides of the upper arm backing plate (6), the rotating arm (1) is inclined and the lower end is located in front of the upper end, the The projection of the hinge axis of the rotating arm (1) and the frame (8) on the horizontal plane is arranged obliquely, and the outer side of the hinge axis is located in front of the inner side of the hinge axis.

2. The upper arm training machine with a variable force arm according to claim 1, wherein the training device further comprises a pull rod (4) and an adjustment arm (3) hinged on the rotating arm (1), The counterweight is mounted on the adjustment arm (3), one end of the pull rod (4) is hinged with the adjustment arm (3), and the other end of the pull rod (4) is hinged with the frame (8).

3. The upper arm training machine with variable force arm according to claim 2, wherein the counterweight comprises a barbell shaft fixed on the adjusting arm (3), and a barbell plate is installed on the barbell shaft .

The upper arm training machine with variable force arm according to claim 1, characterized in that: a booster block (5) is fixedly connected to the upper end of the rotating arm (1), and the booster block (5) is located in Above the hinged shaft of the rotating arm (1) and the frame (8).

The upper arm training machine with variable force arm according to claim 1, characterized in that: a seat (7) is installed on the frame, and the seat (7) is located on the upper arm pad (6). ) behind and below the upper arm pad (6).

6 . The upper arm training machine with variable force arm according to claim 5 , wherein the seat ( 7 ) can be adjusted in height. 7 .

The upper arm training machine with variable force arm according to claim 6, characterized in that: the seat (7) comprises a seat body (71), and the seat body (71) passes through at least two A seat link (72) is connected with the frame (8), and both ends of the seat link (72) are hinged with the frame (8) and the seat body (71) respectively, and the hinge shafts are arranged laterally, so The seat (7) further comprises a positioning device for fixing the seat body (71) and the frame (8).

8 . The upper arm training machine with variable force arm according to claim 7 , wherein the positioning device comprises a handle ( 73 ) hinged on the seat body ( 71 ) and a handle ( 73 ) slidably connected to the seat body The insertion rod (74) on the (71), the insertion rod (74) is provided with a long handle insertion hole, one end of the handle (73) is inserted into the handle insertion hole, and the positioning device further includes a fixing device. A plug-in board (77) connected to the rack, the plug-in board is provided with a plurality of sockets into which the insertion rods (74) are inserted.

9 . The upper arm training machine with variable force arm according to claim 1 , wherein the handle assembly ( 2 ) comprises a rotating rod ( 21 ) transversely connected to the lower end of the rotating arm ( 1 ), 10 . The rotating rod (21) is fixedly connected with the handle rod (23) through the connecting rod (22), the lower end of the rotating arm (1) is fixedly connected with the limiting plate (25), and the connecting rod (22) is fixedly connected with a limit plate (25). The pin shaft (26) is provided with an arc-shaped groove on the limiting plate (25) through which the pin shaft (26) passes.

10 . The upper arm training machine with variable force arm according to claim 9 , wherein a rotatable handle cover ( 24 ) is covered on the handle bar ( 23 ). 11 .