KR200321887Y1 - auxiliary folding device for treadmill - Google Patents

Abstract

The present invention relates to an auxiliary folding device for a treadmill, the auxiliary folding device is mounted between the main frame of the treadmill and the platform pivotally connected to the main frame.

The auxiliary folding device of the present invention includes an air cylinder having both ends pivotably connected to the main frame and the platform, respectively, and when the user folds the platform with respect to the main frame, the air cylinder extends so that the user has less power. The treadmill can be folded as you enter it.

Description

Auxiliary folding device for treadmills {auxiliary folding device for treadmill}

The present invention relates to an auxiliary folding device, and more particularly, to an auxiliary folding device for a treadmill.

Most treadmills are designed to be folded to reduce the volume of the treadmill during storage. When the treadmill is folded, the platform of the treadmill is lifted upwards with respect to the stand of the treadmill. Thus, in order to more easily fold the treadmill and hold the platform lifted upwards, an air cylinder is mounted on the first side of the treadmill so that the platform can be easily lifted and mounted on the second side of the treadmill. To hold the raised platform in place.

However, since the air cylinder is mounted on one side of the treadmill and the other side of the treadmill is fixed by the locking device, the air cylinder is overloaded.

Thus, for a long time the entire weight of the treadmill is applied so that the air cylinder can break. The problem can be solved by installing two air cylinders on both sides of the treadmill. However, the two air cylinders significantly increase the manufacturing cost of the treadmill.

Another conventional treadmill 18 for the treadmill according to the known art shown in FIG. 6 is the mainframe 6 and the platform of the treadmill in order to easily lift the platform 7 relative to the mainframe 6. It is mounted between (7). The main frame 6 of the base has two arms 61 extending upwardly from both sides thereof, the platform 7 between the main arms 6 between the two arms 61 of the main frame 6. 6) is pivotally mounted.

The auxiliary folding device 8 includes an air cylinder 82 mounted on the second side of the treadmill and an elastic material rod 81 mounted on the first side of the treadmill to easily lift the platform 7 of the treadmill. Include. The coupling pin 811 extends through the elastic material rod 81 to fix the elastic material rod 81 when the elastic material rod 81 extends to an appropriate length.

However, when the elastic material rod 81 is mounted on one side of the treadmill and locked after extension, and the air cylinder 82 is mounted on the other side of the treadmill, the above-described problems due to the overload of the air cylinder cannot be solved. do. As shown in FIG. 6, when the stretchable material rod 81 and the air cylinder 82 are respectively installed on both sides of the treadmill, the manufacturing process of mounting the auxiliary folding device 8 on the treadmill becomes complicated. Besides, air cylinder

Since the inner rod (no member number) of the 82 is extended to lift the platform 7 and then exposed to air, the service life of the air cylinder 82 can be shortened by dust and breakage.

The main object of the present invention is to provide an improved folding machine for treadmills that allows the user to fold the treadmill in a way that saves labor.

That is, in the present invention, in order to achieve the above object, the auxiliary folding device is mounted between the main frame of the treadmill and the platform pivotally connected to the main frame, and both ends of the platform and the main frame are pivotally connected to each other. By having an air cylinder having, the air cylinder extends when the user folds the platform with respect to the main frame, thereby providing an auxiliary folding device that allows the user to fold the treadmill in a less forceful manner.

1 is a perspective view showing the overall structure of the auxiliary folding device for a treadmill according to the present invention,

Figure 2 is an exploded perspective view of the auxiliary folding device for a treadmill in Figure 1,

Figure 3 is a side cross-sectional view of the auxiliary folding device for a treadmill in Figure 1,

4 is a partial side cross-sectional view showing a state in which the locking device is attached in the auxiliary folding device for a treadmill in FIG. 3;

5 is a partial side cross-sectional view showing a state in which the locking device is released in the auxiliary folding device for a treadmill in FIG. 3;

6 is a schematic perspective view of an auxiliary folding device for a conventional treadmill according to the known art;

※ Explanation of code for main part of drawing

1: main frame 2: platform

3: auxiliary folding device 11: first base

12: second base 31: first post

32: second post 13: rack

14: first connecting rod 15: first pivot seat

22: 2nd connecting rod 23: 2nd pivot sheet

33: locking device 311: stretching post

313: second turning hole 312: first pivot hole

321 stretch rod 331 stub

3110: pin

The auxiliary folding device for a treadmill according to the present invention is pivotally connected to a main frame between a main frame including a first base and a second base facing each other and the first base and a second base, and transversely at the bottom thereof. Suitably mounted between the platform comprising a second connecting rod secured overlying, the first connecting rod connecting the first base and the second base, the first pivot sheet extending centrally from the first connecting rod, In a secondary folding device for a treadmill, a rack extending upwardly from the main frame facing the first connecting rod and the second pivot sheet extending from the second connecting rod and corresponding to the first pivot sheet,

A first pillar in which the auxiliary folding device is pivotally connected to the first pivot sheet, a second pillar accommodated in the first pillar, an elongate pillar movably housed in the first pillar between the first pillar and the second pillar, elongation A first pivot hole, a first pivot, such that the locking device, the first pillar and the second pillar, mounted around the outside of the first pillar to pivotally connect the first pivot seat to retain the post and extension rod in place after stretching. A first pin extending through the ear and the first pivot sheet, and a second extending through the second pivot sheet, the second pivot and the second ear such that the elongate column and the extension rod pivotally connect to the second pivot sheet. Consisting of pins;

The elongate column may extend longitudinally from the first column, the elongate rod having an elongate rod moved with the elongated rod and movably housed therein, the elongated rod being the second column Longitudinally extendable from;

The first pillar extending radially therethrough and having a first pivoting hole formed at its first tip, the second pillar corresponding to the first pivoting hole and extending from the first tip; Equipped;

The elongate pillar extending therethrough and having a second pivoting hole formed at one end of the elongate pillar opposite the first pivoting hole, the elongating rod corresponding to the second pivoting hole and facing the first ear And a second ear portion extending therefrom.

Hereinafter, the auxiliary folding device for a treadmill according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figs. 1-3, the auxiliary folding device 3 for the treadmill according to the present invention is suitably mounted between the main frame 1 and the platform 2 of the treadmill.

The main frame 1 comprises a first base 11 and a second base 12 which face each other. The first connecting rod 14 is provided to connect the first base 11 and the second base 12 to form a U-shape.

The first pivot sheet 15 extends centrally from the first connecting rod 14 and the rack 13 extends upwardly from the main frame 1 opposite the first connecting rod 14. The platform 2 is connected to the main frame 1 so as to be pivotable between the first base 11 and the second base 12.

The platform 2 extends from the second connecting rod 22 secured across the bottom thereof and the second pivot sheet 23 extending from the second connecting rod 22 and corresponding to the first pivot sheet 15. Include.

The auxiliary folding device 3 has two opposing ends that are pivotally connected to the first pivot sheet 15 and the second pivot sheet 23, respectively.

The auxiliary folding device 3 comprises a first pillar 31 pivotally connected to a first pivot sheet 15, a second pillar 32 accommodated in the first pillar 31 and a first pillar 31. And a lock 33 mounted around the outside.

The extension pillar 311 is received in the first pillar 31 so as to be movable between the first pillar 31 and the second pillar 32. The extension pillar 311 may extend in the longitudinal direction from the first pillar 31.

The second pillar 32 has an extension rod 321 movably received therein. The extension rod 321 may extend in the longitudinal direction from the second column 32.

The extension pillar 311 is moved with the extension rod 321.

In a preferred embodiment of the present invention the second column 32 is an air cylinder and the extension rod 321 is a piston of the air cylinder.

The first pillar 31 has a first turning hole 312 formed at its first tip and extending therethrough in the radial direction. The second pillar 32 extends to its first tip and has a first ear 322 corresponding to the first pivot hole 311. The first pin 3110 extends through the first turning hole 312, the first ear 322, and the first turning sheet 15 so that the first pillar 31 and the second pillar 32 are the first pivot. It is pivotally connected to the seat 15. The extension pillar 311 is formed at one end of the extension pillar 311 facing the first pivot hole 312 and has a second pivot hole 313 extending through the extension pillar 311. The extension rod 321 has a second ear 323 facing the first ear 322 and extending therefrom and corresponding to the second pivot hole 313. The second pin 3110 extends through the second pivot sheet 23, the second pivot hole 313, and the second ear portion 323, so that the extension pillar 311 and the extension rod 321 are the second pivot sheet ( 23 is pivotally connected.

The first pillar 31 has a pair of ear portions 314 extending laterally from its outer circumference and the locking device 33 is pivotally mounted to the pair of ear portions 314. The stub 331 extending from the locking device 33 is selectively inserted into the first pillar 31 and the extension pillar 311 so that the extension pillar 311 and the extension rod 321 remain in place after extension. do.

When the stub 331 is separated from the extension pillars 311 and the first pillar 31, the elastic member 332 is provided with the locking device 33 and the first pillar to provide an elastic force to the locking device 33. 31).

In a preferred embodiment of the present invention, the elastic member 332 is a torsion spring. A hole 315 is formed in the first pillar 31 such that the stub 331 is inserted into the first pillar 31, and the extension pillar 311 has a hole 3111 formed so that the stub 331 is inserted therein. Equipped)

When the platform 2 is moved relative to the main frame 10 so that the treadmill can be easily folded by the user, the extension pillar 311 of the first pillar 31 and the extension pillar 321 of the second pillar 32 are Extend.

As shown in FIG. 4, when the extension pillar 311 extends longitudinally from the first pillar 31 and the hole 31111 communicates with the hole 315 in the first pillar 31, the extension pillar 311. The stub 331 is inserted into the hole 315 and the hole 31111 due to the elastic force of the elastic member 332 to hold it in place.

As shown in FIG. 5, the extension rod 321 when the locking device 33 is distorted with respect to the first pillar 31 and the stub 331 is released from the hole 3111 and the hole 315. ) Is freely moved to the second pillar 32 and the extension rod 311 is freely movable to the first pillar (31). Thus, the platform 2 can be easily moved downward to the support surface when the user wishes to exercise on it.

The first pivot hole 312 of the first pillar 31 and the first ear portion 322 of the second pillar 32 are pivotally mounted to each other, and the second pivot hole 313 at the extension pillar 311. And the second ear 323 of the extension rod 321 are pivotally mounted.

Therefore, all the weight of the platform 2 is loaded by the first pillar 31, the second pillar 32 and the extension rod 321 is the second pillar under the weight load of the platform for a long time when the treadmill is folded (32) is free enough to prevent breakage.

In addition, the first pillar 31 is pivotally connected to the center of the main frame 1 so that the first pillar 31 is more firmly supported than that provided by conventional stretch rods mounted on one side of the main frame. Can be provided.

The second pillar 32 and the extension rod 321 are accommodated in the first pillar 31 and the extension pillar 311 so as to be movable.

As a result, the first pillar 31 and the extension pillar 311 can prevent the service life of the second pillar 32 and the extension rod 321 from being shortened due to dust or sudden collapse.

According to the auxiliary folding device for a treadmill according to the present invention having the above structure, it can be easily folded with little force, and the whole weight is not applied to only one side of the treadmill, such as an air cylinder, for a long time. There is no damage due to overload and contamination by dust, so that the service life can be greatly extended, and manufacturing costs can be lowered.

Claims (7)

Between a main frame comprising a first base and a second base facing each other and a platform including a second connecting rod pivotally connected to and secured across the bottom between the first and second bases; And a first connecting rod connecting the first base and the second base, a first pivot sheet extending centrally from the first connecting rod, and a rack facing the first connecting rod, the main frame In the auxiliary folding device for a treadmill extending upward from the second pivot sheet extending from the second connecting rod and corresponding to the first pivot sheet, A first pillar in which the auxiliary folding device is pivotally connected to the first pivot sheet, a second pillar accommodated in the first pillar, an elongate pillar movably housed in the first pillar between the first pillar and the second pillar, elongation A first pivot hole, a first pivot, such that the locking device, the first pillar and the second pillar, mounted around the outside of the first pillar to pivotally connect the first pivot seat, to hold the pillar and the extension rod in place after stretching. A first pin extending through the ear and the first pivot sheet, and a second extending through the second pivot sheet, the second pivot and the second ear such that the elongate column and the extension rod pivotally connect to the second pivot sheet. Consisting of pins; The elongate pillar may extend longitudinally from the first pole and move with the elongate rod, the elongate rod having an elongate rod movably received therein, the elongate rod being the second pole Longitudinally extendable from; The first pillar extending radially therethrough and having a first pivoting hole formed at its first tip, the second pillar corresponding to the first pivoting hole and extending from the first tip; Equipped; The elongate pillar extending therethrough and having a second pivoting hole formed at one end of the elongate pillar opposite the first pivoting hole, the elongating rod corresponding to the second pivoting hole and facing the first ear A secondary folding device for a treadmill, characterized by having a second ear extending therefrom. The extension pillar of claim 1, wherein the first pillar is formed therein and has a hole corresponding to the locking device, wherein the extension pillar is formed in one extension pillar facing the second turning hole and is formed after extension of the extension pillar. A stub having a hole in communication with the hole of the first pillar, the locking device being selectively inserted into and extending from the hole of the extension pillar and the hole of the first pillar such that the extension pillar and the extension rod remain in place after extension; And an elastic member mounted between the first pillar and the locking member so that an elastic force is applied to the locking device when the stub is separated from the extension pillar and the first pillar. The auxiliary folding device for a treadmill according to claim 1, wherein the second column is an air cylinder, and the extension rod is used as a piston of the air cylinder. The auxiliary folding device for a treadmill according to claim 2, wherein the second column is an air cylinder, and an extension rod is used as a piston of the air cylinder. The auxiliary folding device for a treadmill according to claim 2, wherein the elastic member is a tension spring. The auxiliary folding device for a treadmill according to claim 3, wherein the elastic member is a tension spring. The auxiliary folding device for a treadmill according to claim 4, wherein the elastic member is a tension spring.