CN206979933U - A kind of double treadmill - Google Patents

Abstract

A kind of double treadmill, it is related to field of exercise equipment, including three root posts, the bar being horizontally installed on column, connecting portion on the opposite side of adjacent two root posts, installed in connecting portion bottom swing rod and be arranged on the pedal of swing rod bottom, connecting portion includes being fixedly mounted on the cylindrical base on the inside of column, the installation axle being fixedly mounted on pedestal, the cylinder of suit on the mounting shaft, swing rod is fixedly connected with cylinder, the scotch of butterfly-like shape is additionally provided with pedestal, installation axle runs through the middle part of scotch, cylinder includes two limited blocks, two limited blocks are oppositely arranged on the inwall at cartridge openings end, when swing rod drives cylinder to be rotated both clockwise and counterclockwise 40 ° ~ 60 ° around installation axle together, limited block in cylinder is stopped block and blocked, so that cylinder and swing rod stop operating.The both legs that the utility model can limit user are swung in the range of certain angle, improve the safety in utilization of equipment.

Description

A kind of double treadmill

Technical field

Field of exercise equipment is the utility model is related to, especially a kind of double treadmill.

Background technology

With the raising of quality of the life, people increasingly focus on body-building, and body-building can not only improve fitness, can be with Pleasure mood.The mode of body-building has many kinds, and the one kind of " double treadmill " as community body-building equipment, utilization rate is higher, greatly It there are about 7,000,000 people to take exercise with it, it can not only strengthen the mobility of lower limb, moreover it is possible to improve body harmony, balance energy Power and aerobic capacity.

Traditional double treadmill, mainly it is made up of column, handrail, connecting portion, swing rod and several parts of pedal, structure letter Single, manufacturing cost is not high, but the double treadmill of tradition has the drawbacks of individual very big, does not have limiting component inside its connecting portion so that Swing rod can be relative to 360 ° of rotations of column, user（Especially child and old man colony）When using the equipment, if two pin Quick in the same direction to swing and amplitude of fluctuation is big, user is easy to because bobbing is to oneself can not controlling（Lose center of gravity）Height Degree, and then fall down；If two pin alternatively swingings and amplitude of fluctuation is big, the both feet of user easily cause when swinging to peak Leg is pulled, and potential safety hazard be present.

In addition, the pedal of traditional double treadmill is in the shape of a frame, Sometimes When It Rains pedal can ponding, people are after the rain Go to move in situation, the ponding in pedal can bedew the footwear of user, so as to influence comfort level.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of double treadmill, and the both legs that can limit user exist Swung in the range of certain angle, improve the safety in utilization of equipment.

In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that：Including three root posts, horizontal setting Bar, connecting portion, swing rod and the pedal for being arranged on swing rod bottom on column, the connecting portion include being fixedly mounted on phase Pedestal on the opposite side of adjacent two root posts, the installation axle being fixedly mounted on pedestal, the cylinder of suit on the mounting shaft, institute State cylinder body bottom and be fixedly connected with swing rod, it is characterised in that：The scotch of butterfly-like shape, the installation axle are additionally provided with the pedestal Through the middle part of scotch, the cylinder includes two limited blocks, and two limited blocks are oppositely arranged on the inwall at cartridge openings end On, it is spacing in the cylinder when the swing rod drives cylinder to be rotated both clockwise and counterclockwise 40 ° ~ 60 ° around installation axle together Block is stopped block and blocked so that cylinder and swing rod stop operating.

Further, the connecting portion also includes the bearing being nested between installation axle and cylinder, the inner ring of the bearing It is fixedly connected with installation axle, the outer ring of the bearing is fixedly connected with cylinder.

Further, the contact surface of the scotch and limited block is provided with elastic buffer unit.

Further, the junction of the pedestal and cylinder is provided with sealing ring, and the sealing ring is used to prevent rainwater or dirt Soil enters in cylinder.

Further, the swing rod bottom is also associated with the pedal of frame-shaped, and the pedal is provided with several circular rows Water hole and bar shaped osculum, the circular osculum are distributed in the surrounding of pedal, and the bar shaped osculum is parallel to be distributed in pedal Middle part.

Further, the pedal is provided with several anti-skidding raised lines, and the anti-skidding raised line is distributed horizontally to pedal On.

Further, the swing rod bottom is connected with pedal base, and the pedal is arranged on above pedal base, and institute It is 92 ° to state the angle between pedal base and swing rod.

Preferably, the junction of the bar and column is provided with triangle boss.

The beneficial effects of the utility model are：A kind of double treadmill, scotch and spacing is provided with inside its connecting portion Block, when swing rod in the driving lower swing of user's both legs to certain angle when, limited block will be stopped block and block, and swing rod stops immediately Only swing.Therefore, compared with prior art, the utility model can effectively avoid user because amplitude of fluctuation is too big or swing speed too Personal injury caused by soon, improve the safety in utilization of equipment.

Brief description of the drawings

Fig. 1 is the front view of the utility model embodiment；

Fig. 2 is the left view of the utility model embodiment；

Fig. 3 is the structural representation after connecting portion dismounting in embodiment；

Fig. 4 is the structural representation of pedal in embodiment.

Reference is：

1 --- column 2 --- bar 3 --- connecting portion

31 --- pedestal 32 --- installation axle 33 --- cylinders

331 --- limited block 34 --- scotch 35 --- bearings

36 --- elastic buffer unit 37 --- sealing ring 4 --- swing rods

5 --- pedal 51 --- circular osculum 52 --- bar shaped osculums

53 --- anti-skidding raised line 6 --- pedal base 7 --- bosses

A --- groove.

Embodiment

For the ease of the understanding of those skilled in the art, the utility model is made with reference to embodiment and accompanying drawing further Explanation, the content that embodiment refers to not to restriction of the present utility model.

In description of the present utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or Position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

, it is necessary to which explanation, unless otherwise prescribed and is limited, term " installation ", " phase in description of the present utility model Even ", " connection " should be interpreted broadly, for example, it may be mechanical connection or the company of electrical connection or two element internals It is logical, can be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can To understand the concrete meaning of the term as the case may be.

As shown in figures 1-4, a kind of double treadmill, including bar 2 on column 1 of three root posts 1, transverse weld, Connecting portion 3, swing rod 4 and the pedal 5 for being arranged on the bottom of swing rod 4, the connecting portion 3 include welding（Connecting portion 3 is vertical with column 1） Cylindrical base 31 on the opposite side of adjacent two root posts 1, the installation axle 32 being fixedly mounted on pedestal 31, it is sleeved on peace Fill the cylinder 33 on axle 32, the bottom welding of the cylinder 33（Cylinder 33 is vertical with swing rod 4）Swing rod 4, on the pedestal 31 also Scotch 34 provided with butterfly-like shape, the installation axle 32 run through the middle part of scotch 34, and the cylinder 33 is spacing including two Block 331, two limited blocks 331 are oppositely arranged on the inwall of the openend of cylinder 33, when the swing rod 4 drive cylinder 33 together around When installation axle 32 is rotated both clockwise and counterclockwise 40 ° ~ 60 °, the limited block 331 in the cylinder 33 is stopped block 34 and blocked, and makes Obtain cylinder 33 and swing rod 4 stops operating.

Double treadmill that above-mentioned embodiment provides, can be at the bottom of cylinder 33, it is necessary to explanation especially set out Portion opens up a through hole for stretching out installation axle 32, and the position that the installation axle 32 is stretched out is provided with screw thread, nut is fastened on into spiral shell On line, it can effectively prevent cylinder 33 from deviating from rotary course from installation axle 32.

There is data to suggest that when using treadmill, teenager or the optimum single leg amplitude of fluctuation of the elderly are up to 40 °, and adult is then 60 °, more than this amplitude, can be easy to pull the leg muscle of human body or be made one because of crank Tumble injury, therefore, the double treadmill that present embodiment provides can design more moneys, and optimal two is：One, for teenager with Double treadmill designed by the elderly, the angle that its limited block 331 two sides adjacent with scotch 34 are formed are 40 °； Secondly, for the double treadmill designed by adult, the angle that its limited block 331 two sides adjacent with scotch 34 are formed For 60 °.

For the double treadmill in original state, the central shaft of scotch 34 is perpendicular to the ground, the center of two limited blocks 331 Axle is parallel to the ground, when user station is in alternatively swinging on the pedal 5 of double treadmill or swing both legs in the same direction, the swing rod 4 will drive cylinder 33 clockwise around installation axle 32 together（Counterclockwise）Rotate, the limited block 331 in cylinder 33 is then in cylinder 33 Slowly close to scotch 34 under drive, until swing rod 4 is rotated to 40 °（Or 60 °, the specific number of degrees are by double treadmill concrete model Determine, above-mentioned word refers to）When, the limited block 331 in the cylinder 33 contacts with scotch 34, due to the position of scotch 34 Put and immobilize, therefore, limited block 331, which is stopped block 34 and blocked, can not continue to move, cylinder 33 and swing rod 4 namely can not be followed by Continuous to be rotated around installation axle 32, the both feet of user have swung to peak at this moment, its single leg amplitude of fluctuation and for 40 °（Or 60°）.Obviously, the double treadmill that the present embodiment provides can effectively limit the both legs amplitude of fluctuation of user, make pair of user Leg is at ± 40 °（Or ± 60 °）Safe range in swing, avoid user because amplitude of fluctuation is too big or swing speed is too fast and Caused by personal injury, improve the safety in utilization of equipment.

When the installation axle 32 directly contacts with cylinder 33, frictional force between the two is larger, can be in cylinder to reduce frictional force One layer of lubricating oil is wiped in body 33, but the lubrication duration of lubricating oil is limited, and the equipment uses the domestic demand of a period of time rear cylinder body 33 Lubricating oil is rubbed again, it is so just cumbersome, therefore, further, as shown in figure 3, the connecting portion 3 is also including embedding The bearing 35 being enclosed between installation axle 32 and cylinder 33, the inner ring of the bearing 35 are fixedly connected with installation axle 32, the bearing 35 outer ring is fixedly connected with cylinder 33.Bearing 35 can avoid installation axle 32 from directly being contacted with cylinder 33, and the swing rod 4 is swung When, cylinder 33 rotates together with the outer ring of bearing 35 around installation axle 32, namely the outer ring of bearing 35 relatively rotates with inner ring, and it rubs It is small to wipe power, can rotate cylinder 33 more flexible, while it also avoid the domestic demand of cylinder 33 and rub the inconvenience that lubricating oil is brought repeatedly.

Further, the contact surface of the scotch 34 and limited block 331 is provided with elastic buffer unit 36, as shown in figure 3, The elastic buffer unit 36 includes three parts：Left and right portion is square buffer substrate tablet, and middle part is the connecting rod for connecting left and right buffer substrate tablet, A groove A is respectively offered in the upper surface at the both ends of scotch 34, the connecting rod of elastic buffer unit 36 is fixed on In groove A, and the left and right buffer substrate tablet of elastic buffer unit 36 is adhered to the side of scotch 34 respectively（Contacted with limited block 331 One side）, the elastic buffer unit 36 can be that block rubber processing and fabricating forms, and be related to the benefit of the elastic buffer unit 36 It is：Limited block 331 is not direct contact scotch 34, but the buffer substrate tablet of contact resilient buffer unit 36, elastomeric material Buffer substrate tablet elasticity preferably, can effectively slow down the impulsive force between limited block 311 and scotch 34, mitigate limited block 331 with stopping Both are played a very good protection by the abrasion between motion block 34.

Because both pedestal 31 and cylinder 33 are not to be seamlessly connected, trickle gap is left between the two, therefore, rainwater or ash Dirt may be entered in cylinder 33 from above-mentioned gap, and causes the bearing 35 in cylinder 33 to get rusty, corrode or Internal and external cycle is relative The flexibility of rotation is deteriorated.Therefore, further, the junction of the pedestal 31 and cylinder 33 is provided with sealing ring 37, described close Seal 37 can seal the gap between pedestal 31 and cylinder 33, can effectively prevent rainwater or dust from entering in cylinder 33.

From background technology, there is the drawbacks of ponding in the pedal 5 of traditional double treadmill, after the rain in the case of make Very inconvenient with the equipment, particularly with for rainy season longer area, many people can be because select the reason for ponding adhesional wetting footwear Select and abandon using the equipment, this largely reduces the utilization rate of the equipment, and then influences its occupation rate of market.

Therefore, further, as shown in figure 4, the pedal 5 is provided with several circular osculums 51 and bar shaped osculum 52, the circular pore size distribution of draining 51 is at the surrounding of pedal 5, the parallel middle part for being distributed in pedal 5 of the bar shaped osculum 52.This Sample one, the double treadmill that the present embodiment provides effectively can discharge the ponding in pedal 5 in time, when user after the rain In the case of moved, the pedal 5 substantially will not residual rainwater, do not interfere with user's use.

Further, as shown in figure 4, based on the security for improving equipment, when preventing the pin of user from exerting a force, its footwear can be The purpose skidded on pedal 5, several anti-skidding raised lines 53, and horizontal point of the anti-skidding raised line 53 are provided with the pedal 5 Cloth is on pedal 5, and compared to vertical distribution, the frictional force being distributed horizontally between anti-skidding raised line 53 and the sole on pedal 5 is bigger, Skidproof effect is more preferable.

Further, as shown in figure 4, the bottom of the swing rod 4 is connected with pedal base 6, the pedal 5 is arranged on pedal bottom The top of seat 6, sets up pedal base 6 herein, not only makes both Joining Technologies of swing rod 4 and pedal 5 simpler, can also strengthen pedal 5 fastness.Understood according to analysis, people's both legs fork station on the ground when, most comfortable posture that its both feet is put should be pin Certain distance is somewhat kept with ground on the outside of bottom, angle of the distance between sole and ground is advisable in 2 °, therefore, to reach Above-mentioned purpose, the angle between the pedal base 6 and swing rod 4 is 92 °, namely pedal 5 is relative to 2 ° of ground inclination, user Both feet station in pedal 5 when, the posture of the most comfortable can be kept.

It is well known that whatsoever equipment, usage time is longer, and its fastness is poorer, and the fastness of equipment is further meant that The security of equipment, security are one of significant considerations that most people select body-building apparatus, what above-described embodiment provided Double treadmill, its bar 2 are in " mountain " font, and its left end is welded on the first root post 1, middle-end is welded on the second bar column On 1, right-hand member is welded on the 3rd root post 1, it is preferable that to strengthen the fastness of the double treadmill, as shown in Figures 1 and 2, Triangle boss 7 can also be respectively equipped with the junction of the root post 1 of bar 2 and three.

Preferably, basic ergonomics（By taking adult as an example, because double treadmill uses crowd with adult Based on）The size of the double treadmill is designed, comfortableness of user when using the equipment can be made to reach maximum, described The distance between one root post 1 and the 3rd root post 1 are 2020mm, and the vertical range between the column 1 and bar 2 is 595mm。

Above-described embodiment is the preferable implementation of the utility model, and in addition, the utility model can be with other sides Formula is realized, any on the premise of the technical program design is not departed from obviously to replace in protection model of the present utility model Within enclosing.

In order to allow those of ordinary skill in the art more easily understand the utility model relative to prior art improvement it Place, some accompanying drawings of the present utility model and description have been simplified, and for the sake of clarity, present specification is omitted one A little other elements, those of ordinary skill in the art should be aware that these elements omitted also may make up in of the present utility model Hold.

Claims (8)

1. a kind of double treadmill, including three root posts（1）, be horizontally installed on column（1）On bar（2）, connecting portion （3）, swing rod（4）And it is arranged on swing rod（4）The pedal of bottom（5）, the connecting portion（3）It is vertical including being fixedly mounted on adjacent two Post（1）Opposite side on pedestal（31）, be fixedly mounted on pedestal（31）On installation axle（32）, be sleeved on installation axle（32）On Cylinder（33）, the cylinder（33）Bottom is fixedly connected with swing rod（4）, it is characterised in that：The pedestal（31）On be additionally provided with butterfly The scotch of butterfly shape（34）, the installation axle（32）Through scotch（34）Middle part, the cylinder（33）Including two limits Position block（331）, two limited blocks（331）It is oppositely arranged on cylinder（33）On the inwall of openend, when the swing rod（4）Drive cylinder Body（33）Together around installation axle（32）When being rotated both clockwise and counterclockwise 40 ° ~ 60 °, the cylinder（33）Interior limited block（331） It is stopped block（34）Block so that cylinder（33）And swing rod（4）Stop operating.

2. double treadmill according to claim 1, it is characterised in that：The connecting portion（3）Also include being nested in installation Axle（32）With cylinder（33）Between bearing（35）, the bearing（35）Inner ring and installation axle（32）It is fixedly connected, the axle Hold（35）Outer ring and cylinder（33）It is fixedly connected.

3. double treadmill according to claim 2, it is characterised in that：The scotch（34）With limited block（331）'s Contact surface is provided with elastic buffer unit（36）.

4. double treadmill according to claim 3, it is characterised in that：The pedestal（31）With cylinder（33）Junction Provided with sealing ring（37）, the sealing ring（37）For preventing rainwater or dust from entering cylinder（33）It is interior.

5. double treadmill according to claim 4, it is characterised in that：The pedal（5）It is provided with several circular rows Water hole（51）And bar shaped osculum（52）, the circular osculum（51）It is distributed in pedal（5）Surrounding, the bar shaped osculum （52）It is parallel to be distributed in pedal（5）Middle part.

6. double treadmill according to claim 5, it is characterised in that：The pedal（5）On to be additionally provided with several anti-skidding Raised line（53）, the anti-skidding raised line（53）It is distributed horizontally to pedal（5）On.

7. double treadmill according to claim 6, it is characterised in that：The swing rod（4）Bottom is connected with pedal base （6）, the pedal（5）Installed in pedal base（6）Top, and the pedal base（6）With swing rod（4）Between angle be 92°。

8. double treadmill according to claim 7, it is characterised in that：The bar（2）With column（1）Junction Provided with triangle boss（7）.