CN201333285Y - Exercise machine - Google Patents

Abstract

A kind of movement machine, especially mean a kind of movement machine with non-parallel straight-line orbit, this movement machine includes a skeleton, a pair of non-parallel straight-line type guide rails installed on skeleton, a pair of pedal mechanisms and a pair of hand-cranking arm mechanisms installed on these guide rails slidably; each hand-cranking arm mechanism is pivoted at a shaft rod on the framework, the lower end of each hand-cranking arm mechanism is combined with a corresponding pedal mechanism through at least one connecting rod, each hand-cranking arm mechanism is connected with a resistance mechanism for providing resistance to the movement of the hand-cranking arm mechanism, each pedal mechanism is connected with a steel cable of the linkage mechanism, so that the pair of pedal mechanisms can form linear movement in tandem on each corresponding guide rail, the upper end of each hand-cranking arm mechanism is connected with a handle, and a user can operate the handle with hands and operate the pedal mechanism with feet to move.

Description

exercise machine

technical field

The utility model provides an exercise machine, in particular a hand-foot compound fitness machine which has non-parallel linear tracks and can provide simultaneous movement of hands and feet.

Background technique

At present, there are quite a lot of sports equipment developed for fitness or rehabilitation purposes. Some sports equipment, such as steppers, can provide users with foot exercise training, but steppers are only a kind of treadmill that can be stepped up and down on the pedals. type of exercise. Another kind of elliptical machine sports equipment can provide the function of simultaneous movement of hands and feet, but the foot pedals of the elliptical machine are fixed on a connecting rod, and the pedals cannot move independently on the connecting rod. Although sports equipment such as steppers and elliptical exercise machines have been developed and improved to be quite practical and progressive, but in terms of exercise patterns, the steppers still maintain the monotonous up and down movement track of the foot in the past, and the elliptical machine maintains the movement of the feet to form an ellipse. track but the pedal that the foot is stepping on cannot slide on the connecting rod it supports. In view of this, the present inventor is engaged in design with great care, and has the generation of the present utility model now.

Utility model content

The main purpose of this utility model is to provide an exercise machine that allows users to exercise leg muscles and/or arm muscles, and the user's feet can slide non-parallel linear motion tracks, so as to improve the leg muscles. movement effect.

For reaching above-mentioned purpose, the utility model adopts following technical scheme:

A kind of sports machine comprises: a skeleton, is arranged on the horizontal ground; A pair of left and right guide rails of the same structure, the left and right guide rails are fixed on the aforementioned skeleton in the mode inclined to the horizontal ground, the left and right guide rails are Non-parallel linear tracks; a pair of left and right pedal mechanisms of the same structure, including a pedal for the user to stand on, the aforementioned left and right pedal mechanisms are respectively installed on the aforementioned left and right guide rails, along the The guide rail moves and makes the left and right pedals form non-parallel linear motion tracks to move up and down on the aforementioned guide rails; a pair of left and right rocker mechanisms with the same structure are movably connected to the aforementioned skeleton and the left and right pedal mechanisms.

The frame includes a base, which has a separated front bottom bar and a rear bottom bar, a vertical bar is arranged on the front bottom bar, a console is installed on the top of the vertical bar, and a A shaft is installed at the upper end of the rod, and an armrest is respectively provided between the two sides of the shaft and the middle bottom rod of the base, and two separate installation parts are arranged on the rear bottom rod, and the left and right guide rails are respectively connected by Its lower end is fixed to the installation part of the rear bottom bar of the aforementioned frame, and the aforementioned frame is also provided with an inclined support bar, and the upper ends of the left and right guide rails are fixed on the inclined support bar, so that the left and right guide rails form an inclined angle with the ground .

The left and right hand rocker arm mechanisms respectively have a rocker with the upper end pivotally arranged at the aforementioned shaft rod and a handle extending from the upper end of the rocker that can be held by the user's hand. The lower end of the rocker is pivotally connected to a Connecting rod, the other end of aforementioned connecting rod also utilizes a universal joint to be pivotally connected on the aforementioned left and right pedal mechanisms.

The left and pedal mechanisms are each provided with a pedal base, a support body connected to the pedal base and a pedal for the user to step on. The pedal bases in the left and right pedal mechanisms are respectively installed on the aforementioned left and right guide rails, and It can slide up and down on the inclined left and right guide rails.

A first transmission mechanism is provided on the frame, which has a cable pulley that is rotatably installed on the inclined support rod and is close to the bottom of the upper end of the aforementioned guide rail, and a cable that flies around the cable pulley. The two ends of the cable are respectively connected to The pedal seat in the left and right pedal mechanisms, the left and right pedal seats form an interactive sliding of one front and one back and one up and one down on the left and right guide rails; a second transmission mechanism, which contains two timing belts and is connected to the The elastic telescopic belt between the timing belts, the outer ends of the timing belts are respectively fixed at the lower ends of the aforementioned left and right rockers, and the left and right rocker mechanisms use the shaft as the swing axis to perform relative movement one after the other. Sexual movement, a shaft provided on the skeleton, the shaft is provided with a pulley and gears on both sides of the shaft, the wheel shaft of the gear has a one-way bearing, the aforementioned timing belts are respectively meshed with the gears, and the two pulleys are respectively pivoted on the aforementioned On the two ends of the front bottom bar, except that the two ends of the elastic stretch belt are connected to the inner ends of the timing belt, its entity is surrounded by the pulley; a resistance mechanism is provided on the frame, which includes a weight wheel and an electromagnetic pulley. The brake uses a transmission belt to connect the weight wheel and the pulley.

The aforementioned left and right guide rails are respectively composed of two parallel straight line conduits.

A central axis is defined by the center line of the length direction of the base, the left and right guide rails are relatively arranged on both sides of the axis, and the left and right guide rails are non-parallel designs; and the left and right guide rails are installed on A non-parallel linear pattern that opens downward and outward is formed between the rear bottom bar and the inclined support bar, that is, the upper ends of the left and right guide rails are close to the axis, and the lower ends are outwardly opened away from the axis, so that the left and right guide rails The opening at the lower end faces outward and forms an angle with the central axis.

The pedals on the left and right pedal mechanisms in the static state are kept level with the ground on the guide rails, and the pedals are set to slide up and down along the track of the non-parallel linear guide rails and maintain a horizontal state when sliding.

The first transmission mechanism has two separate cable pulleys that are rotatably installed on the left and right guide rails and located below the upper ends of the left and right guide rails, and the lower ends of the left and right guide rails are rotatably pivoted on the aforementioned rear bottom rod The shaft rod on the second mounting part of the shaft, and the left and right guide rails can be rotated up and down with the shaft rod as the center. The upper ends of the left and right guide rails are pivotally connected to a telescopic screw device and are supported and positioned by the telescopic screw device. The aforementioned telescopic screw device The other end is installed on the skeleton, so that the upper ends of the left and right guide rails are supported and positioned by the telescopic screw device and form an adjustable upward inclination angle with the ground.

The telescopic screw device has an outer tube fixed on the aforementioned frame, an inner rod for telescopic displacement in the outer tube, and a motor that can operate the inner rod to move to adjust the amount of extension. The top end of the inner rod can support positioning The common joint at the upper ends of the two guide rails; when the extension of the inner rod relative to the outer tube is adjusted, the guide rail will rotate around the two shaft rods of the installation part to adjust the upward inclination angle relative to the ground.

By adopting the above-mentioned scheme, the exercise machine constituted by the utility model can not only provide users with hand-foot compound fitness exercises, but also use the non-parallel linear design of the left and right guide rails, so that each pedal seat follows the left and right guide rails. The angle of the right guide rail makes non-parallel linear motion trajectories on each guide rail, so the user's foot will have the effect of sliding outward during the process of sliding downward and backward. In the process of sliding upward and forward, it will also have the effect of sliding inward. In addition, the coaxial pulley is driven by the two timing belts connected by each rocker arm mechanism, and then the weight wheel is driven. On the other hand , each hand rocker mechanism also synchronously drives the pedal mechanism to slide on the corresponding left and right guide rails through the connecting rod, so that the kinematic function can achieve the expected design purpose and use effect.

The following describes in detail with preferred embodiments and accompanying drawings.

Description of drawings

Fig. 1 is the perspective view of the utility model exercise machine;

Fig. 2 is a side view of the utility model;

Fig. 3 is another side view of the utility model;

Fig. 4 is a top view of the two pedal mechanisms of the present utility model positioned on the guide rail one after the other;

Fig. 5 is a rear view of two pedal mechanisms of the present invention, one front and one rear, on the guide rail;

Figure 6 is a side view of Figure 5;

Fig. 7 shows that the pair of guide rails in Fig. 5 are non-parallel and linear, and are relatively arranged on both sides of a central axis;

Fig. 8 is the perspective view of the rear view direction of the exercise machine of the present invention;

Fig. 9 is a side view of another embodiment of the exercise machine of the present invention;

Fig. 10 is a front view of another embodiment 2 of the utility model where the pedal mechanism is located on the guide rail.

Description of main component symbols

1 exercise machine 10 skeleton 101 weight wheel

102 Electromagnetic brake 103 Drive belt 11 Front bottom bar

12 Pole 121 Console 13 Rear bottom bar

131, 132 Mounting part 133, 134 Shaft 14 Shaft

15 Handrails 16 Inclined support rods 161 Connecting pieces

17 Axis 18 Base 19 Insole Rod

20 telescopic screw 201 outer rod 202 inner rod

203 motor 21, 22 timing belt 23 retractable belt

24 shaft rod 25 pulley 26, 27 gears

28, 29 pulley 3 left guide rail 4 right guide rail

31, 32, 41, 42 conduit 30, 40 upper end 39, 49 lower end

33, 43 coupling body 5, 6 pedal seat 51, 61 support body

52, 62 pedals 7, 8 joysticks 70, 80 handles

71, 81 upper end 72, 82 lower end 73, 83 connecting rod

74, 84 universal joints 75, 85 universal joints 91, 93, 94 cable pulleys

92 wire rope

Detailed ways

Please refer to Fig. 1, 2, 3 and Fig. 8, it is the sports machine 1 that the utility model forms, and this sports machine comprises a skeleton 10, a pair of guide rails 3 and 4 that separate, a pair of pedal mechanisms, separate One hand rocker mechanism, two transmission mechanisms and one resistance mechanism.

The frame 10 includes a base 18, the base 18 has a separated front bottom bar 11 and a rear bottom bar 13, the front bottom bar 11 is provided with a vertical rod 12, and the top of the vertical rod 12 is installed A console 121, the user can control the exercise machine 1 through the console 121, and a shaft 14 is installed near the upper end of the vertical rod 12, and the both sides of the shaft 14 are in contact with the middle bottom of the base 18 An armrest 15 is respectively provided between the rods 19 to support the user's hand, and two separate installation parts 131 , 132 are provided on the rear bottom rod 13 .

A pair of guide rails of the same structure, that is, the left guide rail 3 and the right guide rail 4, the left and right guide rails 3, 4 are each fixed to the mounting parts 131, 132 of the aforementioned rear bottom bar with their lower ends, and their upper ends are fixed to the aforementioned frame. Inclined support bar 16 places, make left and right guide rail 3,4 form an inclination angle with ground. The most important feature of the left and right guide rails 3 and 4 is that the guide rails are not parallel but designed to have non-parallel linear guide rails and the upper ends of the two guide rails are relatively close to each other, while the lower ends of the two guide rails extending downward are separated by a distance It is farther away, that is, the distance between the two tracks forms a movement pattern with a narrow top and a wide bottom. This design allows users to feel the most natural and ergonomic movement safety that is not easy to hurt the heel during the foot movement stage. benefit.

A pair of left and right pedal mechanisms of the same structure are respectively provided with a pedal base 5,6, a support body 51,61 connected to the pedal base 5,6 and a pedal 52,62 for the user's feet to step on. , the pedal seat 5,6 in the right pedal mechanism can be installed on the aforementioned left and right guide rails 3,4 respectively, and can slide up and down on the left and right guide rails 3,4 with inclination.

A pair of left and right hand rocker mechanisms of the same structure respectively have rocking bars 7, 8 pivotally arranged at the aforementioned shaft bar 14 by means of upper ends 71, 81, and the upper ends of rocking bars 7, 8 are extended to be held by the user's hands. The handle 70,80 is held. The lower ends 72, 82 of the rocking bars 7, 8 are pivotally connected to a connecting rod 73, 83 with a universal joint 74, 84 which can provide rotation in the Y-axis and Z-axis directions. End also utilizes a universal joint 75,85 to be pivotally connected on the aforementioned pedal bases 5,6, so that the left and right rocker arm mechanisms can perform consistent actions with the left and right pedal mechanisms.

A first transmission mechanism has a cable pulley 91 that is rotatably installed on the inclined support rod 16 and near the place below the upper ends of the aforementioned guide rails 3, 4, and a cable 92 that flies around the cable pulley 91; the cable 92 The two ends are respectively connected to the pedal bases 5,6 in the left and right pedal mechanisms, which allow the left and right pedal bases 5,6 to form an interactive sliding of one front and one back and one up and one down on the left and right guide rails 3,4.

Please refer to Fig. 1 to Fig. 3, a second transmission mechanism, it contains two timing belts 21,22 and is connected between these timing belts 21,22 Elastic stretch belt 23, the outside of timing belts 21,22 The ends are respectively fixed at the lower ends 72, 82 of the aforementioned left and right rockers 7, 8, so that the left and right rocker arm mechanisms can perform relative motion one after the other according to the shaft rod 14 as the swing axis. A shaft rod 24 located on the skeleton 10, the shaft rod 24 is provided with a pulley 25 and gears 26, 27 on both sides in the middle section. On the gears 26,27. The two pulleys 28, 29 are respectively pivotally arranged on the two ends of the aforementioned front bottom bar 11. The elastic stretchable belt 23 is physically surrounded by the pulleys 28, 29 except that the two ends are respectively connected to the inner ends of the timing belts 21, 22. . By the effect of the second transmission mechanism, the rocking bars 7 and 8 in the left and right hand rocker arm mechanisms can be allowed to perform relative reciprocating motion one after the other.

A resistance mechanism, which includes a weight wheel 101 and an electromagnetic brake 102, uses a transmission belt 103 to connect the weight wheel 101 and the pulley 25, when the handles 70 and 80 in the hand rocker mechanism perform relative movements one after the other , the resistance mechanism can provide movement resistance. Of course, these movement resistances can be preset and selected on the console 121 .

The main feature of the left and right guide rails 3 and 4 of the utility model is that; as shown in Fig. 4 to Fig. 6, the left and right guide rails 3 and 4 are non-parallel linear guide rails. 3 and 4 are respectively composed of two relatively parallel linear conduits 31, 32 and 41, 42 merged, and the left and right guide rails 3 and 4 are respectively fixed by connecting bodies 33 and 43, and the upper ends are fixed by a common connecting piece 161 To be fixed, the connecting piece 161 can be positioned on the upper end of the aforementioned oblique support bar 16, and the connecting piece 33, 43 and the lower end of the guide rail can be fixed on the mounting parts 131, 132 at the aforementioned rear bottom bar, so that the guide rail 3, 4 and The ground forms an upward slope angle A and is installed on the frame 10 (as shown in FIG. 6 ).

Please refer to Fig. 7, wherein it is shown that a central axis 17 is defined with the center line of the length direction of the base 18, and the left and right guide rails 3, 4 of the present utility model are relatively arranged on both sides of the axis 17, and the left, right The right guide rails 3 and 4 are designed to be non-parallel; and the two non-flat linear guide rails are installed between the rear bottom bar 13 and the inclined support bar 16 to form a non-parallel straight line type that opens outwards downwards. That is, the upper ends 30, 40 of the two non-parallel guide rails are close to the axis 17, and the lower ends 39, 49 are outwardly away from the axis 17, so that the openings of the lower ends of the left and right guide rails 3, 4 face outward and form an alignment with the central axis 17. Angle B.

According to the implementation of the exercise machine 1 constituted by the present utility model, the user stands on the pedals 52, 62 of the pair of pedal mechanisms with both feet not shown in the figure, and can operate the second-hand handles 70, 80 with both hands at the same time; After the resistance of the weight wheel 101, the pair of rocker arm mechanisms can be pulled to repeatedly swing forward and backward, and the pair of pedal mechanisms can be slid to alternately move forward and backward and up and down.

The exercise machine 1 constituted according to the utility model can not only provide the user with hand-foot compound fitness exercises, but also use the non-parallel linear design of the left and right guide rails 3, 4, so that the pedal seats 5, 6 can be aligned. With the angle of the left and right guide rails 3, 4, non-parallel linear motion tracks are performed on each guide rail 3, 4, so that the user's feet will have both downward and backward sliding movements. There is an outward sliding movement effect, and an inward sliding movement effect in the process of upward and forward sliding, and the rhythm of the reciprocating movement is quite smooth.

The pedals 52 and 62 on the pedal mechanism in the static state can be kept approximately level with the ground on the guide rails 3 and 4, and the operation of the non-parallel linear tracks of the pedal bases 5 and 6 will not affect the balance of the user. As shown in Figure 5, the pedals 52, 62 are arranged to follow the tracks of the non-parallel linear guide rails 3, 4 and maintain a horizontal state during dynamic sliding, so that the pedals 52, 62 move up and down in a linear and non-parallel manner. Smooth and safe when sliding.

The exercise machine 1 formed according to the utility model is simple in structure, and can provide exercise for leg muscles and/or arm muscles. In particular, the design of the guide rails 3 and 4 allows the user to have a sliding movement. Inward and outward motion effects of non-parallel straight lines. In addition, the two timing belts 21 and 22 are connected by each rocker arm mechanism to drive the coaxial pulley 25, and then move the weight wheel 101. On the other hand, each hand The rocker mechanism also synchronously drives the pedal mechanism to slide on each corresponding left and right guide rails 3, 4 through the connecting rods 73, 83, so that the exercise machine 1 can reach the expected design purpose and use effect.

In another embodiment constituted according to the present utility model, referring to Fig. 9 and 10, the first transmission mechanism may have two separated parts that are rotatably installed on the two guide rails 3 and 4 and located below the upper ends of the aforementioned guide rails. The cable pulleys 93, 94 are shown in Figure 10, the lower ends of the two guide rails are rotatably connected to the two mounting parts 131, 132 of the rear bottom rod, and centered on the shaft rods 133, 134 on the two mounting parts 131, 132 Make the two guide rails 3,4 swing up and down, the upper ends of the two guide rails 3,4 can be supported and positioned by a telescopic screw device 20, the telescopic screw device 20 is installed on the framework 10, the upper ends of the two guide rails 3,4 can be Supported by the telescopic screw device 20 and positioned to form an upward inclination angle A with the ground; and the telescopic screw device 20 has an outer tube 201 fixed on the frame 10, and a telescopic displacement can be performed in the outer tube 201. Inner rod 202 and a motor 203 that can operate the inner rod 202 to move to adjust the amount of extension. The top of the inner rod 202 can support the joint joint 161 that positions the upper ends of the two guide rails. The top of the inner rod 202 and the joint 161 are optional. connected by means of a dynamic pivot joint; when the extension of the inner rod 202 relative to the outer tube 201 is adjusted, the guide rail 22 will rotate around the two shaft rods 133, 134 of the mounting part, allowing the user to use Those who adjust a more comfortable upward tilt angle A.

Looking at the exercise machine of the present utility model, it is obvious that the structure is different from that of the known exercise machine, and the utility model is innovative. In addition, the utility model forms two non-parallel linear rails with two guide rails, which can break through In the past, the effect of running in a straight line was limited, but it was actually better than the known exercise machines, and it was also progressive.

Claims (10)

1, a kind of motion machine is characterized in that: include:

One skeleton is arranged on the level ground;

The left and right guide rail of a pair of identical structure, left and right guide rail is fixed on the aforementioned skeleton in the mode that favours the level ground, and this left and right guide rail is the non-orthoscopic track that parallels;

The left and right pedal gear of a pair of identical structure, include a pedal that supplies user's foot to stand, aforementioned left and right pedal gear is installed in respectively on the aforementioned left and right guide rail, moves and makes left and right pedal form nonparallel orthoscopic movement locus and move up and down on aforementioned guide rail along this guide rail;

The left hand and right hand rocker arm body of a pair of identical structure, activity are linked to aforementioned skeleton and left and right pedal gear.

2, motion machine as claimed in claim 1, it is characterized in that: this skeleton comprises a pedestal, a bottom bar and a back bottom bar before this pedestal has separated one, should be provided with a vertical rod by preceding bottom bar, a console is installed on the top of this vertical rod, install an axostylus axostyle at upper end again near vertical rod, and be respectively equipped with a handrail between the middle bottom bar of the both sides of axostylus axostyle and pedestal, on the bottom bar of back, be provided with the installation portion that two compartment is opened, a left side, each is fixed in the installation portion of the back bottom bar of aforementioned skeleton right guide rail with its lower end, aforementioned skeleton also is provided with an inclined support bar, a left side, the upper end of right guide rail then is fixed on this inclined support bar place, makes a left side, right guide rail and ground form an angle of inclination.

3, motion machine as claimed in claim 1 or 2, it is characterized in that: the rocking bar and the rocking bar upper end that are hubbed on aforementioned axostylus axostyle place on the left hand and right hand rocker arm body has respectively extend the handle that is available for users to the hand gripping, lower end in rocking bar articulates a connecting rod with a universal joint, and the end in addition of aforementioned connecting rod also utilizes a universal joint to be articulated on the aforementioned left and right pedal gear.

4, motion machine as claimed in claim 1, it is characterized in that: a left side, pedal gear respectively are provided with a pedal base, are connected the supporter on the pedal base and are available for users to the pedal that foot is trampled, pedal base in the left and right pedal gear is installed in respectively on the aforementioned left and right guide rail, and can carry out climb and fall on the left and right guide rail of gradient and slide having.

5, motion machine as claimed in claim 1, it is characterized in that: be provided with one first transmission mechanism in skeleton, the cable wire that it has the cable pulley at the place, below that is installed in rotationally on this inclined support bar and on the close aforementioned guide rail and winds high above this cable pulley, these cable wire two ends are connected to the pedal base in the left and right pedal gear, and left and right pedal base forms one in front and one in back on left and right guide rail and mutual slip one on the other; One second transmission mechanism, elastic telescopic band when it contains 2 o'clock rule belts and is connected this between rule belt, the outer end of time rule belt is individually fixed in an aforementioned left side, the lower end of right rocking bar, a left side, right hand rocker arm body is that swinging center carries out tandem relativity motion with the axostylus axostyle, one is located at the axostylus axostyle of skeleton, this axostylus axostyle is provided with the gear of a belt pulley and two side ends in the stage casing, the wheel shaft of gear has unilateral bearing, the rule belt is engaged on the gear respectively when aforementioned, two pulleys are hubbed at the both end sides of aforementioned preceding bottom bar respectively, when the elastic telescopic band is linked to respectively except two ends the interior end of rule belt, its entity and on pulley; Be provided with a resistance mechanism in skeleton, it has included a weight wheel and an electromagnetic brake device, utilizes a driving belt to link weight wheel and belt pulley.

6, motion machine as claimed in claim 1 is characterized in that: aforementioned left and right guide rail is respectively by two orthoscopic conduits that parallel and set up jointly.

7, motion machine as claimed in claim 2 is characterized in that: the center line with the length direction of pedestal defines a central axis, and this left and right guide rail is the both sides that relatively are configured in this axis, and this left and right guide rail is non-parallel design; This left and right guide rail is installed in the non-parallel straight line kenel of formation downward external-open in back between back bottom bar and the inclined support bar again, that is, the upper end of this left and right guide rail is near axis, and the lower end presents outer turning up the soil away from axis, makes this left and right guide rail lower ending opening for being an angle toward the outer side and with central axis.

8, as claim 1 or 4 described motion machines, it is characterized in that: the pedal on the left and right pedal gear in the static state keeps being the level of state with ground on guide rail, can do and slides up and down and keep level along with the track of non-parallel straight line rail when this pedal is arranged in slippage again.

9, motion machine as claimed in claim 5, it is characterized in that: this first transmission mechanism has can be installed in a left side rotationally, on the right guide rail and be positioned at a left side, the cable pulley that the two compartment at the place, below of right guide rail upper end is opened, and should a left side, right guide rail lower end is hubbed on the axostylus axostyle on two installation portions of aforementioned back bottom bar rotationally, and be that the center makes a left side with the axostylus axostyle, right guide rail can rotate up and down, a left side, the upper end of right guide rail articulates a flexible screw rod device and the flexible screw rod device support of quilt location, the end in addition of aforementioned flexible screw rod device is to be installed on the skeleton, makes a left side, the upper end of right guide rail is subjected to flexible screw rod device support location and forms an adjustable updip angle with ground.

10, motion machine as claimed in claim 9, it is characterized in that: this flexible screw rod utensil has the outer tube that is fixed on the aforementioned skeleton, in this outer tube, do telescopic displacement one in bar and can operate that bar moves to adjust a motor of overhang in this, the common connecting piece of two guide rails upper end can be supported to locate in top of bar in this; After the overhang of relative this outer tube of bar, this guide rail will be the center with the two shaft lever of this installation portion and rotate in adjusting this, and adjustment is with respect to the updip angle on ground.

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