CN2928151Y - elliptical exercise machine - Google Patents

Abstract

An elliptical exercise machine comprises a frame, a left crank and a right crank which are rotatably arranged on the frame, a left sliding rail and a right sliding rail which are arranged at one end of the frame and respectively define a noncircular operation path, a left extension rod and a right extension rod which are connected with the left crank and the right crank in a sliding way and are arranged on the left sliding rail and the right sliding rail in a sliding way by two rollers, a left connecting piece and a right connecting piece which are movably arranged at the other end of the frame and can swing back and forth relative to the frame, and a left pedal rod and a right pedal rod which are pivoted between the left connecting piece and the right connecting piece and the left extension rod and the right extension rod. The utility model discloses utilize the gyro wheel to move in this left and right slide rail of non-circular shape, and make this left and right extension rod for the flexible characteristic of this left and right crank, can increase oval orbit scope under the condition of not increasing organism volume, and can increase user's stride range and promote the motion effect.

Description

elliptical exercise machine

【Technical field】

The utility model relates to a sports equipment, in particular to an elliptical exercise machine.

【Background technique】

As shown in Figure 1, it is an existing four-bar linkage (4 bar linkage) type elliptical exercise apparatus (elliptical exercise apparatus), which has a frame (frame) 1, a pair of hinged joints at the rear of the frame 1 Crank (crank) 2, a pair of front bar (front link) and a pair of foot link (foot link) 4 that are pivotally connected to the front of the frame 1 and a pair of pedals 401, each step bar 4 is pivotally connected to the corresponding between the crank 2 and the front rod 3.

As shown in Figure 2, it is another existing four-link elliptical exercise machine, which has a frame 5, a pair of cranks 6 pivotally connected to the front of the frame 5, and a pair of cranks slidably installed on the frame 5. The rear roller (roller) 7 and a pair of pedals 8 provided with pedals 801, each pedal 8 is pivotally connected between the corresponding crank 6 and the roller 7.

The pedals 401, 801 of the above two elliptical exercise machines can generate elliptical paths (elliptical paths), but due to the fixed radius of gyration of the aforementioned cranks 2, 6, the range of the generated elliptical paths is not large enough, causing the user to step The range is small, and the disadvantage of insufficient motion effect is derived. If the elliptical trajectory is to be enlarged to increase the user's stride range, the length of the cranks 2 and 6 must be increased, but the disadvantage of a large body is derived.

【Content of utility model】

The purpose of the utility model is to provide an elliptical exercise machine which can increase the range of the elliptical trajectory without increasing the volume of the body and can produce better exercise effects.

The elliptical exercise machine of the present utility model comprises a frame, a left and right crank, a left and right slide rail arranged at one end of the frame, a left and right connector arranged at the other end of the frame and a setting The left and right pedals between the left and right connectors and the left and right cranks; it is characterized in that:

The frame extends along a long direction;

the left crank and the right crank are rotatably mounted on both sides of the frame around a common crank axis;

The left slide rail and the right slide rail have an inner track surface around the common crank axis, an outer track surface and a running path between the inner and outer track surfaces, the running path is non-circular;

The left connecting piece and the right connecting piece are arranged on both sides of the frame in a reciprocating and swingable manner relative to the frame along the long direction;

The left pedal and the right pedal, one end of each pedal is pivotally connected to the corresponding connecting piece;

This elliptical exercise machine also contains:

A left extension rod and a right extension rod, wherein each extension rod has a first connection part, a second connection part and a third connection part, the first connection parts of the left and right extension rods are respectively connected with the left 1. The right crank is slidably connected in the radial direction, and the second connecting parts of the left and right extension rods are pivotally provided with a roller. The other end of the rod is pivotally connected to the corresponding third connection portion.

The beneficial effect of the utility model is that: the rollers are used to run in the non-circular left and right slide rails, and the left and right extension rods are stretched and retracted relative to the left and right cranks, so that the body can be moved without increasing the volume of the machine body. Next, the range of the elliptical trajectory is increased, and the user's stride range can be increased and the exercise effect can be improved.

【Description of drawings】

Fig. 1 is a three-dimensional schematic diagram of an existing four-link type elliptical exercise machine;

Fig. 2 is the plane view of another existing four-link type elliptical exercise machine;

Fig. 3 is a perspective view of a preferred embodiment of the utility model;

Fig. 4 is the rear view partial three-dimensional schematic diagram of above-mentioned preferred embodiment of the utility model;

Fig. 5 is the right side view of above-mentioned preferred embodiment of the utility model;

Fig. 6 is a schematic diagram of the operation of the above-mentioned preferred embodiment of the utility model, illustrating that the operation of a left and right pedal and a left and right connecting piece can be used for stepping motion;

Fig. 7 is a schematic diagram of the operation trajectory of the above-mentioned preferred embodiment of the utility model, illustrating that an elliptical running trajectory can be generated.

【Detailed ways】

Below in conjunction with accompanying drawing and embodiment the utility model is described in detail:

As shown in Fig. 3, Fig. 4 and Fig. 5, the preferred embodiment of the elliptical exercise machine of the present invention includes a frame (frame) 10, a left and right crank (left) that is rotatably installed on the frame 10 crank, right crank) 20, 20', a left and right slide rail (left rail, right rail) 30, 30' arranged on the frame 10, and a slidable manner with the left and right cranks 20, 20' A left and right extension link (left extension link, right extension link) 40, 40' that is connected and guided by the left and right slide rails 30, 30' is movably arranged on the frame 10 and can be moved relative to the The left and right connectors (left connector member, right connector member) 50, 50' of the frame 10 reciprocating swing and a pivot connection between the left and right connectors 50, 50' and the left and right extension rods 40, 40' The left and right pedals (left foot link, right foot link) 60, 60'.

The frame 10 extends along a long direction X, and has an I-shaped bottom frame 11, a base 12 fixed on a rear end of the bottom frame 11, and a base 12 opposite to the base 12. A vertical rod 13 erected at a front end of the bottom frame 11 . The base 12 is in the shape of an elliptical plate, and has a left and right end face 121, 122 arranged opposite to each other, a common crank axis (common) perpendicular to the left and right end faces 121, 122 and positioned at the center of the base 12 crank axis) L, a long axis I corresponding to the long direction X and passing through the common crank axis L, and a short axis II perpendicular to the long axis I and passing through the common crank axis L, the length of the long axis I is greater than the short Axis II (see Figure 6).

The left crank 20 and the right crank 20' are made into rectangular hollow rods, are rotatably mounted on the base 12 at a distance of 180 degrees from each other, and can rotate relative to the base 12 around the common crank axis L.

The left slide rail 30 and the right slide rail 30' are oppositely and symmetrically recessed on the left and right end surfaces 121, 122, and each has an inner rail surface (inner rail surface) around the common crank axis L 31, 31', an outer rail surface (outer rail surface) 32, 32' surrounding the inner rail surface 31, 31', and an outer rail surface 32, 32' between the inner rail surface 31, 31' and the outer rail surface 32, 32' The moving path (moving path) 33, 33', the moving path 33, 33' is non-circular (non-circular), the best choice in this embodiment is oval, corresponding to the front end of the rack 10 and located at the The radius of curvature at one end of the major axis I is smaller, and the radius of curvature at the other end of the major axis I corresponding to the rear end of the frame 10 is larger.

The left extension rod 40 and the right extension rod 40' are rectangular rod-shaped, and each has a first connecting portion 41, 41' (first connecting portion), a second connecting portion (second connecting portion) 42, 42' and A third connecting portion (third connecting portion) 43, 43', the aforementioned first connecting portion 41, 41' is slidably inserted in the radial direction with the left and right cranks 20, 20' respectively, and the aforementioned second connecting portion 42, 42' are interposed between the first connecting parts 41, 41' and the third connecting parts 43, 43', and are pivotally equipped with a roller (roller) 44, 44', and the aforementioned rollers 44, 44' are respectively slid on The running paths 33, 33 of the left and right sliding rails 30, 30'.

The left connecting part 50 and the right connecting part 50' are respectively arranged on both sides of the vertical rod part 13, and each has an upper pivot point 51, 51' pivotally arranged on the vertical rod part 13, and one on the upper pivot point. The handle section 52, 52' above the point 51, 51' and a lower pivot point 53, 53' which is opposite to the handle section 52, 52' and located below the upper pivot point 51, 51'. The pivots 53 , 53 ′ can swing back and forth along the long direction X relative to the frame 10 .

The left pedal 60 and the right pedal 60' each have a first end 61, 61' pivotally connected to the third connecting portion 43, 43', and a first end 61, 61' pivotally connected to the lower pivot point 53, 53'. Two end portions 62, 62' and a pedal 63, 63' installed adjacent to the first end portion 61, 61'.

In order to facilitate assembly, the above-mentioned base 12 also has two openings 123, 124 arranged on the top edge and penetrating from the outside to the left and right slide rails 30, 30' and a sealing plate closing the aforementioned openings 123, 124 125 , the aforementioned openings 123 , 124 are used for the aforementioned rollers 44 , 44 ′ to pass through and slide in the running paths 33 , 33 ′ of the left and right sliding rails 30 , 30 ′, respectively.

As shown in Figure 6 again, when the operator's feet step on the pedals 63, 63', both hands are held on the handle sections 52, 52' of the left and right connectors 50, 50', When stepping on the handle section 52, the handle section 52 is pulled auxiliaryly, and the rollers 44, 44' are used to circulate in the running path 33, 33', and corresponding to the length change of the major axis I and the minor axis II, the left and right extension rods 40 , 40', relative to the left and right cranks 20, 20', they will move out or retract in the radial direction, and as shown by the solid line and the dashed line, the left and right cranks 20, 20 correspond to the minor axis II , the left and right extension rods 40, 40' are retracted to the shortest state relative to the left and right cranks 20, 20', and as shown by imaginary lines, the left and right cranks 20, 20 correspond to the long axis I , the left and right extension rods 40, 40' stretch out to the longest state relative to the left and right cranks 20, 20', and when corresponding to the states at both ends of the long axis I, the left and right connecting parts 50, 50' can swing to a left and right limit respectively. As shown in Figure 7, when the left and right pedals 60, 60' and the left and right connecting parts 50, 50' are continuously operated, the purpose of stepping on fitness can be achieved, and an elliptical running track can be produced. .

Therefore, the elliptical exercise machine of the present utility model can not only produce an elliptical path (elliptical path), but also utilize the setting of the non-circular running path 33, 33' and the left and right extension rods 40, 40' to be able to move relative to each other during operation. The extension and retraction of the left and right cranks 20, 20' can increase the scope of the elliptical trajectory and increase the user's stride range relatively, which can produce better exercise effects without enlarging the body .

It is worth mentioning that the left and right connecting parts 50, 50' can also be in the form of rollers compared to the existing elliptical exercise machine shown in Fig. 2, which can also achieve the same effect.

Claims (6)

1. elliptical exercise machine comprises left and right connector and that left and right slide rail, that a frame, a left and right crank, be arranged at this frame one end is arranged at the other end of this frame and is arranged on left and right treadle between this left and right connector and this left and right crank; It is characterized in that:

This frame is to extend along a length direction;

This left side crank and this right side crank are the both sides that can be installed on this frame around a shared crank axis rotatably;

This left side slide rail and this right side slide rail have the operating path of rail level and between between this inside and outside rail level outside an interior rail level, of this shared crank axis, and this operating path is to be non-circular;

This left side connector and this right side connector, but be along this length direction with respect to this frame reciprocally swinging be arranged at the both sides of this frame;

This left side treadle and this right side treadle, an end of each treadle are to be articulated in this corresponding connector;

This elliptical exercise machine also comprises:

An one left extension rod and a right extension rod, wherein each extension rod has one first connecting portion, one second connecting portion and one the 3rd connecting portion, first connecting portion of this left and right extension rod is radially to be with this left and right crank respectively to be slidingly connected, second connecting portion of this left and right extension rod all is pivoted with a roller, aforementioned roller is to be slidedly arranged on respectively on the operating path of this left and right slide rail, and wherein the other end of each treadle is to be articulated in the 3rd corresponding connecting portion.

2. elliptical exercise machine as claimed in claim 1, it is characterized in that: this left and right connector also respectively has one and is hubbed on last centring point on this frame, handle section above centring point and an opposite setting with this handle section and position following centring point below centring point on this on this, and the following centring point of this left and right connector is to be articulated with an end of this left and right treadle respectively.

3. elliptical exercise machine as claimed in claim 1, it is characterized in that: this frame also has the pedestal of this shared crank axis, this pedestal have opposing setting a left and right end face, a pair of should length direction and the major axis by this shared crank axis and perpendicular to this major axis and the minor axis by this shared crank axis, this left and right slide rail is arranged with respectively on this left and right end face, and the length of this major axis is greater than this minor axis.

4. elliptical exercise machine as claimed in claim 3, it is characterized in that: the pedestal of this frame also has two and is through to the shrouding of the perforate and the aforementioned perforate of a sealing of this left and right slide rail by the outside, and aforementioned perforate is to wear and be slidedly arranged on respectively this left and right slide rail for this roller.

5. elliptical exercise machine as claimed in claim 1 is characterized in that: second connecting portion of this left and right extension rod is between between this first connecting portion and the 3rd connecting portion.

6. elliptical exercise machine as claimed in claim 1 is characterized in that: this left and right treadle has the pedal of an end of a vicinity and the pivot joint of the 3rd connecting portion.

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