JPH10118223A - Seating device for training machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seating device for a training machine capable of easily and speedily adjusting the height of a seat board. SOLUTION: In the device in which a lock unit 64 is fixed to an upper end of an outer pipe 20, a lock pin 66 of the unit 64 is energizedly engaged, by a spring 67, with a hole 25 bored axially stepwise in an inner pipe 21 fitted in the outer pipe 20 movably in the axial direction, and a sheet 17 is fixed to an upper end of the inner pipe 21 having a specified length, a handle 52 is journalled to any one of lower opposed parts of the sheet 17 at a position where one of the hands of a user can touch it when both right and left ends of the sheets 17 are held by the hands, a lever 53 interlocking with the handle 52 is provided, one end of a flexible wire 56 is connected to the lever 53, and the other end of the wire 56 is connected to the lock pin 66 through a flexible pipe 60 keeping the distance between the lever 53 and the pin 66 constant.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seating device for a training machine, and more particularly to a device for easily, quickly and easily adjusting the height of a seating device.

[0002]

2. Description of the Related Art Most of training machines for the purpose of exercising muscles are performed in a sitting posture, and therefore, the seating device is configured to be adjustable in height so that persons of different heights can use it appropriately. It is.

As an example of a training machine having a seating device, a chest press training machine shown in FIG. 4 will be described. In the drawing, reference numeral 1 denotes a base mounted on a floor or the like; The standing weight frame 3 is a guide frame mounted on the base 1 at a predetermined angle from the front to the rear at a predetermined angle, and 4 is a predetermined length in the longitudinal direction on the lower surface of the guide frame 3. A fixed guide rail 5 is a movable block which is movable by engaging with the rail 4, and 6 is an operation unit fixed to the movable block 5. A pair of left and right levers that are slightly inclined.

7 is a grip fixed to the upper end of each of the levers 6 and 6, 8 is an inclined support frame connected to the guide frame 3 and the weight frame 2, 9
Are backrest sheets fixed to the upper part of the support frame 8;
Is a seating device which is supported at the lower part of the support frame 8 so as to be adjustable in height and has a seat 16 substantially parallel to the guide frame 3, and 11 is a footrest. One end of a rope 12 is connected to the moving block 5, and the other end of the rope 12 can be moved up and down in a cover 15 via a sheave 13 supported on the bottom of the weight frame 2 and a sheave 14 supported on the top of the weight frame 2. Is connected to a weight (not shown) supported by the.

The seating device 10 has an inner tube 21 movably moved in the axial direction inside an outer tube 20 made of a square pipe having a predetermined length and erected on the guide frame 3.
The locking device 22 is fixed to the upper end of the outer tube 20 at right angles, while the inner end of the locking pin 23 of the locking device 22 enters and exits as shown in FIG. Holes 24 and 25 are formed in the side walls of the outer and inner tubes 20 and 21, respectively, and the holes 25 are provided stepwise in the inner tube 21 facing the lock pins 23.

[0006] As shown in FIG.
A cylindrical body 26 is orthogonally fixed to the outer tube 20, a screw portion 27 is provided on the inner periphery of the cylindrical body 26, and an inner tube 28 screwed into the screw portion 27 is inserted, and a spring is inserted between the inner tube 28 and the lock pin 23. 29, the lock pin 23 is urged by penetrating the washer 30 and the washer 30 and the cylinder 26 are connected to the outer tube 2.
The lock pin 23 is fixed at right angles to the hole 24 formed in the hole 0 by screws or welding, and a knob 31 such as a resin ball is attached to the outer end of the lock pin 23.

Therefore, when adjusting the height of the seating device, the knob 31 is pulled toward the front side so that the lock pin 23 is pulled out of the hole 25 against the force of the spring 29, and the tip of the lock pin 23 comes out of the hole 25. And the inner tube 21 can be displaced from the outer tube 20 and move in the desired axial direction up and down, so that the desired height of the seat 17 is determined, and when the knob 31 is released at that position, the tip of the lock pin 23 is inserted into the new hole 25. The adjustment can be performed by engaging the parts.

[0008]

However, according to the above-mentioned conventional seating apparatus, when adjusting the height of the seat 17, one knob of the lock device 22 is pulled toward the user and the other hand is used. The two-stage operation of raising and lowering the seat 17 to determine the height position thereof and releasing the knob 31 at the determined height position is required, so that the height is accompanied by the inconvenience of one-hand operation to be performed at the same time. The adjustment was troublesome, and the inexperienced person could not train effectively without securing an appropriate height.

Accordingly, the present invention provides a seating device for a training machine which can easily, quickly and easily adjust the height of a seat plate.

[0010]

In a seating device for a training machine according to the present invention, a lock device is fixed to an upper end portion of an outer tube erected on a base or the like of the training machine, and a lock pin of the lock device is a spring. The inner tube is axially movably engaged with the outer tube and is engaged with a hole formed in the inner tube in a stepwise manner in the axial direction. In the seating device for a training machine to which is fixed, the handle is rotatably supported at one of the lower left and right sides of the seat at a position where the fingertip of one hand touches when the left and right sides of the seat are gripped with both hands. In addition, a lever interlocking with the handle is provided, one end of the flexible cable is connected to the lever, and the flexible cable is passed through a flexible tube that maintains a constant distance between the lever and the lock pin. Front end Characterized in that connected to the locking pin.

Therefore, if the handle which touches one hand while gripping the left and right sides of the sheet with both hands is turned upward, the lever is turned together to pull the flexible cable, and the lock pin is connected to the outer tube and the inner tube. The lock pin is engaged with the matching hole of the outer tube and the inner tube when the handle is released at the stage where the seat is raised and lowered and the height is adjusted because it comes out of the hole of the tube and releases the lock of both. Height can be maintained.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. A seating device for a training machine according to the present invention has a structure described below, and the training machine to which the seating device is to be adopted is not limited to the chest press training machine described in the above conventional example, but also a shoulder press. Includes training machines such as, fly, arm curl, crunch, back extension, high pulley, rope pulley, leg curl, leg extension, leg press. Therefore, illustration and description of the training machine itself will be omitted below. In the following, the same reference numerals are used for the same parts as those in the structure of the conventional example.

As shown in FIG. 1, an inner tube 21 is inserted into an outer tube 20 erected on a guide frame or a base so as to be movable in the axial direction. 17 are connected. A bracket 50 composed of two separate plates is vertically attached to the mounting plate 16 by welding or the like, and a shaft 51 is rotatably supported by the brackets 50 and 50, and a handle 52 is connected to the shaft 51. At the same time, a lever 53 which is separated from the two plates at an angle substantially perpendicular to the handle 52 and has a high value is coaxially coupled. The handle 52 is located below the side of the seat 17 so that the thumb of the hand can be put on the upper surface of the side of the seat 17 and the remaining fingers can be hooked on the handle 52.

The lower end of the lever 53 has two pins 54, 5
4, one end of a flexible cable 56 such as a wire is connected through a spherical wire end 55 having a diameter that cannot be inserted between the pins 54, 54, and the other end of the flexible cable 56. Is a guide hole 5 provided in a support body 57 suspended from the mounting plate 16.
It is inserted into the flexible tube 60 through the guide tube 8 and the guide tube 59 and extends to the lock device 64. One end of the flexible tube 60 is inserted and fixed in the guide tube 59, and the other end is inserted and fixed in a guide tube 61 provided in the lock device 64. It is fixed to. The sleeve 63 is fixed to the lock device 64.

The lock device 64 is attached to the outer tube 20 with the bottomed cylindrical body 6.
5 is fixed orthogonally, and a lock pin 66 whose large diameter portion is slidably fitted is inserted into the bottomed cylindrical body 65, and the bottomed cylindrical body 6 is inserted.
A spring 67 is elastically mounted between the lock pin 66 and the lock pin 66 to urge the lock pin 66 toward the hole 25, and a connection fitting 68 is connected to the outer end of the lock pin 66. The other end of 60 is connected. The lock pin 6
6 has holes 24, 25 of the outer tube 20 and the inner tube 21 at their free ends.
The other end has a predetermined length, and has a stroke length that allows the free end to come out of the holes 24 and 25.

Accordingly, when adjusting the height of the seat 17, both hands are placed on the lower portions on both sides of the seat 17, and one of the hands is placed on the upper surface of the seat 17 with the thumb of the hand, and the remaining fingers are hung on the handle 52. Therefore, as shown by a virtual line in FIG.
The lever 53 is pivoted in the same direction through the lever 53, whereby the flexible cable 56 is pulled toward the lever 53, whereby the lock pin 66 moves in the axial direction via the connection fitting 68, and It escapes into the cylinder 65. Therefore, when the seat 17 is lifted up with both hands to determine a desired height position and the handle 52 is released at that position, the lock pin 66
The free end of the lock pin 66 is inserted into the holes 24 and 25 and locked by the force of the spring 67 for urging the lock pin 66.

As described above, since the height of the seat can be adjusted by holding both sides of the seat with both hands, the conventional one-handed operation is eliminated, and the adjusting operation can be performed extremely simply, quickly and easily.

[0018]

According to the present invention described above, if both hands are hung on both sides of the seat and the handle is operated with one hand in the state as it is, the lock device is released and the inner tube is connected to the shaft of the outer tube. It can be moved freely in any direction, and when the handle is released, the lock pin can enter the matching hole of the outer tube and the inner tube by the force of the spring built in the lock device and lock the desired height. The adjustment of the seat height in the training machine can be performed very simply, quickly and easily with one touch, instead of the conventional two-stage operation.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional front view of a seating device according to the present invention.

FIG. 2 is a side view of FIG. 1;

FIG. 3 is an explanatory diagram of an operation.

FIG. 4 is a side view of a training machine having a conventional seating device.

FIG. 5 is an enlarged sectional side view of a main part of FIG. 3;

[Explanation of symbols]

 17 ... Sheet 20 ... Outer tube 21 ... Inner tube 50 ... Bracket 51 ... Shaft 52 ... Handle 53 ... Lever 56 ... Flexible cable 57 ... Support body 58 ... Guide hole 60 ... Flexible tube 63 ... Sleeve 64 ... Lock device 66 ... Lock pin 67 ... Spring 68 ... Connection fitting

Claims (1)

[Claims] 1. A lock device is fixed to an upper end of an outer tube erected on a base or the like of a training machine, and a lock pin of the lock device is urged by a spring to be movable in the axial direction by the outer tube. In a seating device for a training machine in which a seat is fixed to an upper end portion of the inner pipe having a predetermined length while being engaged with a hole formed in the inner pipe to be fitted in a stepwise manner in the axial direction, At either one of the lower sides on both sides, a handle is rotatably supported at a position where a fingertip of one hand touches when the left and right sides of the sheet are gripped with both hands, and a lever interlocking with the handle is provided. Training wherein one end of a flexible cable is connected, and the other end of the flexible cable is connected to the lock pin through a flexible tube which keeps a constant distance between the lever and the lock pin. Machine seating Place.