CN211215189U

CN211215189U - Link mechanism of one-key folding running machine and running machine thereof

Info

Publication number: CN211215189U
Application number: CN201921370637.4U
Authority: CN
Inventors: 顾南江
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-08-11
Anticipated expiration: 2029-08-22

Abstract

The utility model relates to a link mechanism of a one-key folding running machine and the running machine thereof, which comprises a track, a first rocker, a double-section rod, a third rocker, a first slider mechanism, a second slider mechanism, a first connecting rod, a second connecting rod and an axial point, wherein the first slider mechanism is arranged on the track, two ends of the first rocker are respectively hinged with one end of the track and the third rocker, the first slider mechanism is arranged on the first rocker, the double-section rod is hinged with the first rocker at the axial point to form the second rocker and a push rod, the push rod is hinged with the first slider mechanism, the second rocker is hinged with the first connecting rod, the second slider mechanism, the second connecting rod and the third rocker are sequentially hinged, the one-key folding unfolding and folding are realized through the movement of the linear distance H of the first slider mechanism, the structure of the one-key folding running machine is simple and stable, the operation is convenient, the logistics space is saved in the transportation process, the installation, the running platform is arranged on the underframe, and the functions of the running machine can be realized by simple circuit connection.

Description

Link mechanism of one-key folding running machine and running machine thereof

Technical Field

The invention relates to exercise fitness equipment, in particular to a connecting rod mechanism of a one-key folding running machine and the running machine thereof.

Background

The pursuit of people on healthy life style is continuously promoted, exercise and fitness become daily topics, running is the most convenient and direct exercise and fitness way, and the running machine is common fitness equipment for families and fitness rooms.

The patent of invention with the publication number of CN106390370B discloses a folding mechanism of a treadmill, which comprises a base, a column and a handrail; the base is provided with an upright post fixing plate, and the upright post fixing plate is also provided with at least one fixing hole; the bottom of the upright post is pivoted on an upright post fixing plate of the base, the upright post is provided with a guide rod corresponding to a fixing hole of the base, the guide rod is linked with a rotating connecting piece, the rotating connecting piece is linked with the bottom end of a fine adjustment line, and the upper part of the upright post is also provided with a stop mechanism; the armrest is provided with a rotating part, the armrest can be rotatably combined on the upper part of the upright post through the rotating part, a clamping plate is fixed on the armrest and connected with the top end of the fine adjustment line, and the stop mechanism is matched and fixed with the armrest. By means of the matching of the fine adjustment line, the rotary connecting plate and the stop mechanism, the handrail and the upright post can be fixed during use and can be folded during transportation, so that the transportation space and the transportation cost can be saved.

The patent of the invention with the publication number CN104368127B discloses a foldable treadmill, which comprises a running platform, a riser set and a folding device, wherein the running platform is used for a user to run or walk, and the riser set. The riser set is pivoted on the running platform. The folding device comprises a control element which comprises at least a rotating body and a first fixing pin, wherein the rotating body is used for controlling the first fixing pin, when part of the first fixing pin is positioned in the vertical pipe group, the vertical pipe group can not rotate, and when the first fixing pin is moved out of the vertical pipe group, the vertical pipe group can rotate and be folded to a storage position.

Above-mentioned technical scheme has realized the folding to the treadmill, but prior art has adopted the multicomponent to realize this function for realizing folding effect to need to realize through operations such as manual support lift, rotation in the in-service use. In order to solve the problems in the prior art, the invention provides a treadmill folding mechanism and a one-key folding treadmill, and the whole unfolding and folding operations of a treadmill upright post, a handrail and an instrument panel can be realized only by one-key operation.

Disclosure of Invention

In order to solve the technical problem, the invention discloses a link mechanism of a one-key folding treadmill, which comprises a track 100, a first rocker 200, a double-link rod 300, a third rocker 230, a first slider mechanism 110, a second slider mechanism 120, a first link 210, a second link 220 and a shaft point 201, wherein the first slider mechanism 110 is arranged on the track 100, two ends of the first rocker 200 are respectively hinged with one end of the track 100 and the third rocker 230, the first slider mechanism 110 is arranged on the first rocker 200, the double-link rod 300 is hinged with the first rocker 200 at the shaft point 201 to form a second rocker 320 and a push rod 310, the push rod 310 is hinged with the first slider mechanism 110, the second rocker 320 is hinged with the first link 210, and the first link 210, the second slider mechanism 120, the second link 220 and the third rocker 230 are sequentially hinged.

Further, the first slider mechanism 110 is an electric lead screw device.

Further, the first swing lever 200 is the treadmill upright 15.

Further, the second slider mechanism 120 is a lifting rod 17 installed in the upright 15 and a lifting guide sleeve 16 sleeved on the lifting rod 17.

Furthermore, the lifting rod 17 is hinged to an armrest connecting rod 22, the armrest connecting rod 12 is hinged to an armrest 21, and the armrest 21 is hinged to the upright 15.

Furthermore, a connecting piece is fixedly arranged on the handrail 21, a B-hinge hole is formed in the handrail end of the connecting piece, and an A-hinge hole is formed in the other end of the connecting piece.

Further, the handrail connecting rod 12 is hinged with the handrail 21 at a hinge hole B, and the handrail 21 is hinged with the upright post 15 at a hinge hole A.

The invention provides a one-key folding treadmill, which comprises the connecting rod mechanism and an underframe, wherein the underframe is in a rectangular frame structure, the track is a long edge of the rectangular frame structure, the third rocker is provided with an instrument panel, the underframe is fixedly provided with a running platform, and the running platform is electrically connected with the instrument panel.

Furthermore, the two ends of the short side of the rectangular frame structure of the underframe are respectively hinged with the upright post, and the upright post of the treadmill is a first rocker of the connecting rod mechanism.

Furthermore, stand crossbeams are installed at the top ends of the two stands.

The connecting rod mechanism of the folding treadmill and the treadmill thereof have the advantages that the connecting rod mechanism of the folding treadmill realizes the rotation of the upright post at a certain angle by moving a linear distance H through the screw rod device, and forms an acute angle with the base 1, meanwhile, the connecting rod mechanism in the upright post drives the folded instrument panel to form a large-angle rotation, the extension line of the connecting rod mechanism is intersected with the base and forms an acute-angle triangular structure with the base and the upright post, the connecting rod mechanism is stably fixed, a structure which is folded and unfolded by one key is realized, the structure is stable, the structure is simple and stable, the operation is convenient, the logistics space is saved in the transportation process, the installation cost is low, the treadmill table is installed on the base frame, and the function of the treadmill can be realized.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a lever mechanism of a folding treadmill;

FIG. 2 is an exploded view of the folding treadmill;

FIG. 3 is a schematic view of a folding structure of the folding treadmill;

FIG. 4 is a schematic view of an unfolded configuration of the folding treadmill;

FIG. 5 is a bottom view of the folding treadmill;

1. a chassis; 2. a guide rod supporting seat; 3. a guide bar; 4. a guide slider; 5. a guide slider connecting rod; 6, a screw rod; 7. a copper sleeve; 8. a screw base; 9. a motor; 10. a base plate; 11. a coupling; 12. a column base; 13. a column pin; 14. a column connecting rod; 15. a column; 16. a lifting guide sleeve; 17. a lifting rod; 18. a lifting connecting rod; 21. a handrail; 22. a handrail connecting rod; 25. a travel switch; 26. a column cross beam; 27. an instrument panel; 28. an instrument panel connecting rod; 100. a track; 200. a first rocker; 110. a first slider mechanism; 120. a second slider mechanism; 210. a first link; 220. a second link; 230. a third rocker; 201. an axis point; 300. a double-section rod; 310. a push rod; 320. a second rocker; 400. a lever; 410. and a third link.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in FIG. 1, the link mechanism of the one-key folding treadmill of the present invention comprises a track 100, a first rocker 200, a first slider mechanism 110, a second slider mechanism 120, a double-link 300, a first link 210, a second link 220, a third rocker 230 and a shaft point 201, wherein the first rocker 200 is hinged with one end of the track 100, the track 100 is provided with the first slider mechanism 110, the shaft point 201 is arranged on the first rocker 200 and is hinged with the double-link 300 through the shaft point 201 to form a second rocker 320 and a push rod 310, the push rod 310 is hinged with the first slider mechanism 110, the second rocker 320 is hinged with the second link 210, the second slider mechanism 120, the second link 220, the third link 230 and the first rocker 200 in sequence, the first rocker 200 is a track of the second slider mechanism 120, the length of the second rocker 320 is smaller than that of the push rod 310, when in operation, the first slider mechanism 110 moves within a horizontal distance H, the push rod 310 drives the first rocker 200 and the second rocker 320 to move along a circular track, the distance-to-angle conversion motion is realized, the circular motion of the second rocker 32 pushes the first connecting rod 21, the change of the distance on the first rocker 200 is transmitted to the second sliding block mechanism 120, and the second connecting rod 220 is pushed to drive the third rocker 230 to change the angle on the circumference. The second rocking bar 320 and the shaft point 201 are used as circle centers, the first rocking bar 200 vertical line passing through the shaft point 201 is used as a shaft to swing at a small angle, and the third rocking bar 230 is driven by the first connecting rod 210, the second sliding block mechanism 120 and the second connecting rod 220 to swing at a large angle by using the first rocking bar 200 vertical line passing through the top end as a circle center and using the first rocking bar 200 vertical line as a shaft. The link mechanism is compact in structure, linkage of the three rocking bars can be realized through simple linear motion, and the three sequentially hinged connecting bars respectively form an acute-angle triangular structure for the extension lines of the track, the first rocking bar 200 and the third connecting bar 230 to be stably fixed.

The first rocking bar 200 may be further hinged to a third link 410 and a lever 400, the lever 400 being hinged to the third link 410, the lever staying stably in a position parallel to the rail when fully unfolded.

Example 1

The above link mechanism is applied to a folding treadmill, as shown in fig. 2, a base 1 is a rectangular frame structure, two sides of a long side of the base are respectively provided with a guide rod 3, the guide rod 3 is fixedly arranged on the base 1 through a guide rod support seat 2, as shown in fig. 5, a rectangular bottom plate 10 is fixedly arranged at the bottom, a track 100 is a long side of the rectangular frame structure, a first slider mechanism 110 is a reciprocating motion device, in particular an electric screw device, a first rocker 200 is a vertical column 15, the vertical column 15 is hinged and fixed on a vertical column seat 12 of the base 1, a second slider mechanism 120 is arranged in the vertical column 15, the second slider mechanism 120 is composed of a lifting rod 17 and a lifting guide sleeve 16, the lifting guide sleeve 16 is sleeved on the lifting rod 17, a double-section rod 300 is a vertical column link 14, the first link 210 is a lifting link 18, two ends of the vertical column link 14 are respectively hinged with the, the upright post connecting rod 14 is hinged with the upright post 15, the hinged point is a shaft point 201, the second connecting rod 220 is an instrument panel connecting rod 28, the instrument panel 27 is hinged on the upright post 15, the distance between the hinged point of the electric lead screw device and the hinged point of the instrument panel connecting rod 27 and the instrument panel 27 is represented as a third rocker 230, the electric lead screw device comprises two guide sliders 4, guide slider connecting rods 5, a lead screw 6 and a motor 9, the guide sliders 4 are sleeved on the guide rods 3, the length of the guide rods 3 is H, the guide slider connecting rods 5 are fixedly arranged on the two guide sliders 4, the guide slider connecting rods 5 are rotatably arranged on the lead screw 6, two ends of each guide slider connecting rod are spaced by a steel sleeve and a lead screw seat, the motor 9 is connected with one end of the lead screw 6 through a coupler 8, the motor 9 is fixedly arranged on a rectangular bottom plate 10 of, the guide slide block connecting rod 5 is driven to move, the guide slide block connecting rod 5 drives the guide slide block 4 to do reciprocating motion, and the upright post connecting rod 14 is hinged with the guide slide block 4.

The folding mechanism of the treadmill further comprises an armrest 21 and an armrest connecting rod 22, wherein the armrest connecting rod 22 is respectively hinged with the armrest 21 and the lifting rod 17, the armrest 21 is fixedly connected with a connecting piece, one end of the connecting piece, which is close to the armrest, is provided with a hinge hole B, the other end of the connecting piece is provided with a hinge hole A, the armrest connecting rod 22 is hinged with the armrest 21 at the hinge hole B, the armrest connecting rod 22 is hinged with the upright post 15 at the hinge hole A, and when the sliding block moves to the extreme position and the folding mechanism is completely unfolded, the armrest 21 stays at a position which is approximately parallel or parallel to the base frame 1.

The two upright post seats 12 are respectively and fixedly arranged at two ends of a short side of the rectangular frame body of the base 1, the two upright posts 15 are respectively hinged with the two upright post seats 12, and the tops of the two upright posts 15 are fixedly provided with upright post crossbeams 26 for fixing. The lifting connecting rod 18, the lifting rod 17 and the lifting guide sleeve 16 are arranged in the upright post 15, three openings are formed in the corresponding positions of the upright post 15, the upright post connecting rod 14, the armrest connecting rod 22 and the instrument panel connecting rod 28 penetrate through the three openings respectively, and the instrument panel connecting rod 28 and the armrest connecting rod 22 are hinged with the guide sliding block 4 fixedly arranged on the lifting rod 17. In order to balance the moving direction, the lifting connecting rod 18 is divided into two pieces which are respectively arranged at two sides of the upright post connecting rod 14 and the lifting rod 17, and the right-angle corner piece of the handrail 21 is of a double-layer structure, so that the handrail abutted against the lifting rod 17 is more stable. When the screw rod and the screw thread rotate for a certain position and stop, the guide slide block connecting rod 5 is fixed at a corresponding position due to self-locking function of the screw rod nut, and a corresponding instrument panel and the handrail are also fixed at the corresponding position. The rotation angles of the instrument panel 27 and the armrest 21 relative to the upright post 15 can be changed through the sizes of the connecting rods and the positions of the hinge holes, so that the instrument panel 27 and the armrest 21 have corresponding rotation angles relative to the upright post 15.

As shown in figures 3 and 4, the folding treadmill realizes the rotation of the upright post at a certain angle by the movement of a linear distance H of the screw device, and forms an acute angle with the base 1, meanwhile, the linkage mechanism in the upright post drives the folded instrument panel to form a large-angle rotation, the extension line of the linkage mechanism is intersected with the base to form an acute-angle triangular structure with the base and the upright post, the linkage mechanism is stable and fixed, a one-key folding and unfolding structure is realized, the unfolding structure is stable, the structure is simple and stable, the operation is convenient, the logistics space is saved in the transportation process, the installation cost is low, the treadmill table is installed on the base frame, and the function of the treadmill can be realized by simple circuit connection.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a link mechanism of treadmill is folded to a key which characterized in that: the double-section track type sliding mechanism comprises a track (100), a first rocker (200), a double-section rod (300), a third rocker (230), a first sliding block mechanism (110), a second sliding block mechanism (120), a first connecting rod (210), a second connecting rod (220) and an axle point (201), wherein the first sliding block mechanism (110) is arranged on the track (100), two ends of the first rocker (200) are respectively hinged with one end of the track (100) and the third rocker (230), the first sliding block mechanism (110) is arranged on the first rocker (200), the double-section rod (300) and the first rocker (200) are hinged at the axle point (201) to form a second rocker (320) and a push rod (310), the push rod (310) is hinged with the first sliding block mechanism (110), the second rocker (320) is hinged with the first connecting rod (210), and the first connecting rod (210), the second sliding block mechanism (120), the second connecting rod (220) and the axle point (201), The third rockers (230) are hinged in turn.

2. The linkage mechanism according to claim 1, wherein: the first slider mechanism (110) is an electric lead screw device.

3. The linkage mechanism according to claim 1, wherein: the first rocker (200) is a treadmill upright post (15).

4. The linkage mechanism according to claim 3, wherein: the second sliding block mechanism (120) is a lifting rod (17) arranged in the upright post (15) and a lifting guide sleeve (16) sleeved on the lifting rod (17).

5. The linkage mechanism according to claim 4, wherein: the lifting rod (17) is hinged to an armrest connecting rod (22), the armrest connecting rod (22) is hinged to an armrest (21), and the armrest (21) is hinged to the upright post (15).

6. The linkage mechanism according to claim 5, wherein: a connecting piece is fixedly arranged on the handrail (21), a B-hinge hole is formed in the handrail end of the connecting piece, and an A-hinge hole is formed in the other end of the connecting piece.

7. The linkage mechanism according to claim 6, wherein: the handrail connecting rod (22) is hinged with the handrail (21) at a hinge hole B, and the handrail (21) is hinged with the upright post (15) at a hinge hole A.

8. A one-key folding treadmill, comprising the linkage mechanism of the one-key folding treadmill of any one of claims 1 to 7 and a chassis, wherein the chassis is a rectangular frame structure, the track is a long side of the rectangular frame structure, the third rocker is provided with an instrument panel, the chassis is fixedly provided with a running platform, and the running platform is electrically connected with the instrument panel.

9. The folding treadmill of claim 8, wherein the two ends of the short side of the rectangular frame structure of the undercarriage are each hingedly connected to an upright, the treadmill upright being the first rocker of the linkage mechanism of the one-key folding treadmill.

10. The folding treadmill of claim 9, wherein a post beam is mounted to a top end of the two posts.