CN210813709U - Foldable treadmill - Google Patents

Abstract

A foldable treadmill comprises two upright posts and two handrail frames, wherein the two handrail frames are respectively connected to the top ends of the two upright posts; the folding device also comprises two first folding structures, wherein each first folding structure comprises a connecting piece and a sliding mechanism, and the connecting piece is rotatably and fixedly connected to the top end of the upright post; the sliding mechanism comprises a sleeve, a first pin rod and a first spring; one end of the sleeve is an open end, the other end of the sleeve is a closed end, the open end of the sleeve sequentially penetrates through the connecting piece and the top end of the upright post from inside to outside, and the open end of the sleeve is sleeved on the first pin rod; the first spring is fixed between the bottom of the sleeve and the first pin rod; the free end of the first pin rod sequentially penetrates out of the top end of the upright post and the armrest frame from inside to outside; when the connecting piece rotates upwards, the first pin rod moves inwards horizontally to be separated from the handrail frame. The utility model discloses can realize the collapsible of instrument rack and stand very conveniently.

Description

Foldable treadmill

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a foldable treadmill.

Background

Existing treadmills generally include: run platform, with run platform articulated stand, with stand articulated handrail frame, set up stand and run the stand locking mechanism between the platform. To reduce the footprint of treadmills, current treadmills are typically collapsible. The treadmill is unfolded when the user exercises, and can be folded when the user does not exercise. When folding treadmill, at first folding handrail, treat that the handrail is folding to accomplish the back, utilize stand locking mechanism to relieve the locking to the stand, later folding stand again, however, current treadmill folding process is complicated, leads to user experience poor.

In view of this, the present inventors have actively researched, improved and tried on the defects and inconveniences caused by the imperfect structural design of the treadmill to develop and design the present invention.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, the technical problems in the above-described techniques. To this end, one object of the present invention is to propose a collapsible treadmill.

In order to achieve the above objects, a first aspect of the present invention provides a foldable treadmill, including two upright posts, two handrail frames and two first folding structures, wherein the two handrail frames are respectively connected to top ends of the two upright posts; each first folding structure comprises a connecting piece and a sliding mechanism, and the connecting piece is rotatably and fixedly connected to the top end of the upright post; the sliding mechanism comprises a sleeve, a first pin rod and a first spring; one end of the sleeve is an open end, the other end of the sleeve is a closed end, the open end of the sleeve sequentially penetrates through the connecting piece and the top end of the upright post from inside to outside, and the open end of the sleeve is sleeved on the first pin rod; the first spring is fixed between the bottom of the sleeve and the first pin rod; the free end of the first pin rod sequentially penetrates out of the top end of the upright post and the armrest frame from inside to outside; when the connecting piece rotates upwards, the first pin rod moves inwards horizontally to be separated from the handrail frame.

In addition, the foldable treadmill according to the above embodiment of the present invention may further have the following additional technical features:

the bottom ends of the armrest frames extend downwards to form extending pieces, the top end of each upright post is provided with a bearing piece, and the extending pieces are rotatably and fixedly connected to the bearing pieces; the connecting piece is rotationally and fixedly connected to the bearing piece, and the free end of the first pin rod sequentially penetrates out of the bearing piece and the extending piece from inside to outside.

The folding table further comprises a running table and two second folding structures, and the two upright posts are respectively and rotatably fastened on two sides of the front end of the running table; each second folding structure comprises a steel wire pull rope, a second spring and a second pin rod; one end of the steel wire pull rope is fixed on the connecting piece, the other end of the steel wire pull rope is fixedly connected with the second spring, the free end of the second spring is connected with the second pin rod, and the second pin rod is sequentially inserted into the upright post and the running table;

when the connecting piece rotates upwards, the steel wire pull rope moves upwards to pull the second pin rod to move outwards to be separated from the running platform.

The folding table further comprises a running table and two second folding structures, and the two upright posts are respectively and rotatably fastened on two sides of the front end of the running table; each second folding structure comprises a steel wire pull rope, a second spring and a second pin rod; one end of the steel wire pull rope is fixed on the connecting piece, the other end of the steel wire pull rope is fixedly connected with the second spring, the free end of the second spring is connected with the second pin rod, and the second pin rod is sequentially inserted into the upright post and the running table; when the connecting piece rotates upwards, the steel wire pull rope moves upwards to pull the second pin rod to move outwards to be separated from the running platform.

Each first folding structure further comprises a handle, and one end of the handle is connected to the left end part of the connecting piece; the right end part of the connecting piece is hinged on the bearing piece, and the connecting piece is linked with the handle; the handle is broken upwards to drive the connecting piece to move upwards.

The connecting piece is provided with an opening part and a blocking frame, and the closed end of the sleeve penetrates out of the opening part; the baffle frame is provided with two bevel edges, and the top ends of the bevel edges are sequentially lifted from top to bottom; the sliding mechanism further comprises an operating rod, the front side and the rear side of the sleeve are correspondingly provided with a strip hole respectively, the first pin rod is provided with a through hole corresponding to the strip hole, the through hole is matched with the first pin rod, the axial length of the strip hole is larger than that of the through hole, and the operating rod penetrates through the strip hole and the through hole simultaneously and abuts against the lowest ends of the two bevel edges. The handle is pulled upwards to drive the connecting piece to rotate upwards, the two bevel edges of the blocking frame push the pin rods to move inwards, the pin rods are driven to be disengaged, and the instrument frame can be folded.

Two sides of the front end of the running platform are respectively provided with a connecting flange, and each connecting flange comprises a flange plate and a shaft sleeve fixed on the outer side of the flange plate; the bottom of each upright post is provided with a rotating shaft which penetrates through the shaft sleeve and is rotatably fastened on the flange plate through a fastener (13); the steel wire pull rope is of an L-shaped structure, the top of the vertical edge of the steel wire pull rope is fixedly connected with the baffle frame, and the transverse edge of the steel wire pull rope is provided with a large-diameter section, a thin rod and a transverse component which are sequentially arranged from inside to outside; the second spring is sleeved on the thin rod and clamped between the large-diameter section and the transverse member; one end of the second pin rod is provided with a bayonet which is arranged along the radial direction, the transverse component is clamped in the bayonet, and the other end of the second pin rod is inserted into the rotating shaft and the flange plate in sequence.

The bottom of extension piece has a slot, the slot erects on first round pin stick, and such design, folding operation is more convenient, and the slot erects and further provides the bearing capacity for handrail frame on first round pin stick for handrail frame is more firm when using the treadmill.

The least significant end of extension has a lug, bear and bear the weight of on the thing corresponding to lug department is equipped with a lug, the bottom butt of lug in the lug further provides the support for the handrail frame for when both hands held on the handrail frame, the handrail frame can provide more firm support.

The beneficial effects of the utility model reside in that: the connecting piece upwards rotates to drive first round pin stick inwards to remove and deviate from handrail frame, so alright realize the instrument rack upwards upset folding, the in-process that simultaneously handles upwards lifted through the second spring of metal steel wire pulling bottom, makes the outside second round pin stick that drives the bottom of moving of bottom second spring remove the round pin outward, realizes that the stand is folding downwards, so alright realize that instrument rack and stand are collapsible.

Drawings

FIG. 1 is an exploded perspective view of a foldable treadmill of the present invention;

FIG. 2 is an overall view of a foldable treadmill of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a folded state view of the foldable treadmill of the present invention;

fig. 5 is a schematic view of the first folding structure, the armrest frame, and the upright (partially cut away) of the present invention;

FIG. 6 is one of the matching drawings of the armrest frame and the upright post according to the present invention;

fig. 7 is a second illustration of the matching between the armrest frame and the upright post of the present invention;

FIG. 8 is an enlarged view of the portion B of FIG. 7;

fig. 9 is a matching view of the middle steel wire rope and the second pin rod of the present invention.

Detailed Description

In order to better understand the technical solution, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The following description of the embodiments of the invention is provided in the drawings and is made with reference to the same or similar elements or elements having the same or similar functions throughout. All the embodiments described with reference to the figures are exemplary in nature and are intended to be illustrative of the invention and not to be construed as limiting the invention.

Referring to fig. 1, 3 and 6 again, a foldable treadmill 100 comprises a running platform 1, two upright posts 2, an instrument frame 10, two handrail frames 3, two first folding structures J (see fig. 6) and two second folding structures M, wherein the two upright posts 2 are respectively and rotatably fastened at two sides of the front end of the running platform 1, the two handrail frames 3 are respectively positioned at the left and right sides of the instrument frame 10, and the two handrail frames 3 are respectively connected to the top ends of the two upright posts 2; each upright post 2 is rotatably fastened at the front end of the running platform 1; an extension piece 31 extends downwards from the bottom end of each armrest frame 3, a bearing piece 21 is arranged at the top end of each upright post 2, and the extension piece 31 is rotatably and fixedly connected to the bearing piece 21; the lowest end of the extension piece 31 is provided with a protruding part 312, a protruding platform 211 is arranged on the bearing piece 21 corresponding to the protruding part 312, the bottom end of the protruding part 312 abuts against the protruding platform 211, and further support is provided for the armrest frame 3, so that when two hands hold on the armrest frame 3, the armrest frame 3 can provide more stable support.

Referring to fig. 2-3 and 5, each of the first folding structures J includes a connecting member 4, a sliding mechanism 5 and a handle 9; one end of the handle 9 is connected to the left end of the connecting member 4, and the connecting member 4 is rotatably and fixedly connected to the top end of the upright 2, that is, the connecting member 4 is rotatably and fixedly connected to the bearing member 21. The right end part of the connecting piece 4 is hinged on the bearing piece 21, and the connecting piece 4 is arranged in linkage with the handle 9; the handle 9 is broken upwards to drive the connecting piece 4 to move upwards. The connecting piece 4 is provided with an opening part 41 and a blocking frame 42, and the closed end 512 of the sleeve 51 penetrates through the opening part 41; the blocking frame 42 has two inclined edges 421, the top ends of the inclined edges 421 are sequentially raised from top to bottom, and the two inclined edges 421 respectively extend to the lower part along the middle part of the opening part 41.

Referring to fig. 5-6, the sliding mechanism 5 includes a sleeve 51, a first pin 52, a first spring 53 and an operating rod 54; one end of the sleeve 51 is an open end 511, the other end is a closed end 512, the open end 511 of the sleeve 51 sequentially passes through the connecting piece 4 and the top end of the upright 2, namely the bearing piece 21, from inside to outside, and the open end 511 of the sleeve 51 is sleeved on the first pin 52; the first spring 53 is positioned in the sleeve 51 and fixed between the bottom of the sleeve 51 and the first pin 52; the free end of the first pin rod 52 sequentially penetrates through the top end of the upright 2 and the armrest frame 3 from inside to outside, that is, the free end of the first pin rod 52 sequentially penetrates through the bearing part 21 and the extending part 31 from inside to outside. The bottom end of the extension piece 31 is provided with a groove 311, the groove 311 is erected on the first pin rod 52, the folding operation is more convenient due to the design, the groove 311 is erected on the first pin rod 52 to further provide bearing capacity for the handrail frame 3, and the handrail frame 3 is more stable when the treadmill 100 is used. The front side and the rear side of the sleeve 51 are correspondingly provided with a strip hole 513 respectively, the first pin 52 is provided with a through hole 521 corresponding to the strip hole 513, the through hole 521 is matched with the first pin 52, the axial length of the strip hole 513 is greater than that of the through hole 521, and the operating rod 54 simultaneously penetrates through the strip hole 513 and the through hole 521 and abuts against the lowest end of the two inclined edges 421. The elongated hole 513 has an axial length greater than that of the through hole 521 so that the first pin 52 can move left and right relative to the sleeve 51. The handle 9 is pulled upwards to drive the connecting piece 4 to rotate upwards, and the instrument rack 10 can be folded by pushing the two inclined edges 421 of the blocking rack 42 inwards against the operating rod 54 to drive the first pin rod 52 to release the pin.

Referring to fig. 7-8 and fig. 4 again, one end of the steel wire rope 6 is fixed on the connecting member 4, the other end is fixedly connected with the second spring 7, the free end of the second spring 7 is connected with the second pin 8, and the second pin 8 is inserted into the upright post 2 and the running platform 1 in sequence; when the sliding table is in an unlocked state, the connecting piece 4 rotates upwards, the first pin rod 52 moves inwards horizontally to be separated from the handrail frame 3, namely, the extending piece 31 is separated, and the steel wire pull rope 6 moves upwards to pull the second pin rod 8 to move outwards to be separated from the sliding table 1; when in a locking state, the connecting piece 4 rotates downwards, the first pin rod 52 moves outwards horizontally to insert the extension piece 31, and the steel wire pull rope 6 moves downwards to pull the second pin rod 8 to move inwards to insert into the running platform 1; this makes it possible to fold the instrument rack 10 and the column 2.

Referring to fig. 7-8 and fig. 9, two sides of the front end of the treadmill 1 are respectively provided with a connecting flange 11, and the connecting flange 11 includes a flange 111 and a shaft sleeve 112 fixed on the outer side of the flange 111; a rotating shaft 22 is arranged at the bottom of each upright post 2, the rotating shaft 22 penetrates through a shaft sleeve 112, and the rotating shaft 22 is rotatably fastened on the flange 111 through a fastener 13; the steel wire pull rope 6 is of an L-shaped structure, the top of the vertical edge of the steel wire pull rope 6 is fixedly connected with the baffle frame 42, and the transverse edge of the steel wire pull rope 6 is provided with a large-diameter section 61, a thin rod 62 and a transverse component 63 which are sequentially arranged from inside to outside; the second spring 7 is sleeved on the thin rod 62 and clamped between the large-diameter section 61 and the transverse member 63; the upright post 2 is a hollow structure, and the steel wire pull rope 6 is arranged in the upright post 2. One end of the second pin 8 is provided with a bayonet 81 arranged along the radial direction, the cross member 63 is clamped in the bayonet 81, and the other end of the second pin 8 is inserted into the rotating shaft 22 and the flange 111 in sequence.

Referring to fig. 7-8 and fig. 2-3 again, when the utility model is applied, the handle 9 is lifted upwards to drive the connecting piece 4 to rotate upwards, the operating rod 54 is pushed by the two inclined sides 421 of the retaining frame 42 to move inwards, thereby driving the first pin 52 to move inwards to disengage from the groove 311 of the extending piece 31, so that the instrument frame 10 can be turned upwards to realize folding, and meanwhile, in the process of lifting the handle 9 upwards, the second spring 7 at the bottom is pulled by the metal steel wire to drive the second pin 8 at the bottom to move outwards to disengage from the pin, so that the upright 2 can be folded downwards, and finally the whole treadmill 100 can be folded.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (8)

1. A foldable treadmill (100) comprises two upright posts (2) and two handrail frames (3), wherein the two handrail frames (3) are respectively connected to the top ends of the two upright posts (2); the method is characterized in that: the folding device is characterized by further comprising two first folding structures (J), wherein each first folding structure (J) comprises a connecting piece (4) and a sliding mechanism (5), and the connecting pieces (4) are rotatably and fixedly connected to the top ends of the stand columns (2); the sliding mechanism (5) comprises a sleeve (51), a first pin (52) and a first spring (53); one end of the sleeve (51) is an open end (511), the other end of the sleeve is a closed end (512), the open end (511) of the sleeve (51) sequentially penetrates through the connecting piece (4) and the top end of the upright post (2) from inside to outside, and the open end (511) of the sleeve (51) is sleeved on the first pin (52); the first spring (53) is fixed between the bottom of the sleeve (51) and the first pin rod (52); the free end of the first pin rod (52) sequentially penetrates out of the top end of the upright post (2) and the handrail frame (3) from inside to outside; when the connecting piece (4) rotates upwards, the first pin rod (52) moves inwards horizontally to be separated from the handrail frame (3).

2. A collapsible treadmill (100) as recited in claim 1, further comprising: an extension piece (31) extends downwards from the bottom end of each armrest frame (3), a bearing piece (21) is arranged at the top end of each upright post (2), and the extension piece (31) is rotatably fixedly connected to the bearing piece (21); the connecting piece (4) is rotatably and fixedly connected to the bearing piece (21), and the free end of the first pin rod (52) sequentially penetrates out of the bearing piece (21) and the extending piece (31) from inside to outside.

3. A collapsible treadmill (100) as recited in claim 2, further comprising: each first folding structure (J) also comprises a handle (9), and one end of each handle (9) is connected with the left end part of the connecting piece (4); the right end part of the connecting piece (4) is hinged on the bearing piece (21), and the connecting piece (4) and the handle (9) are arranged in a linkage mode.

4. A collapsible treadmill (100) as recited in claim 2, further comprising: the bottom end of the extension piece (31) is provided with a groove (311), and the groove (311) is erected on the first pin rod (52).

5. A collapsible treadmill (100) as recited in claim 2, further comprising: the lowest end of the extension piece (31) is provided with a protruding part (312), a boss (211) is arranged on the bearing piece (21) corresponding to the protruding part (312), and the bottom end of the protruding part (312) abuts against the boss (211).

6. A collapsible treadmill (100) as recited in claim 1, further comprising: the folding table further comprises a running table (1) and two second folding structures (M), wherein the two upright posts (2) are respectively and rotatably fastened on two sides of the front end of the running table (1); each second folding structure (M) comprises a steel wire pull rope (6), a second spring (7) and a second pin rod (8); one end of the steel wire pull rope (6) is fixed on the connecting piece (4), the other end of the steel wire pull rope is fixedly connected with the second spring (7), the free end of the second spring (7) is connected with the second pin rod (8), and the second pin rod (8) is sequentially inserted into the upright post (2) and the running platform (1);

when the connecting piece (4) rotates upwards, the steel wire pull rope (6) moves upwards to pull the second pin rod (8) to move outwards to be separated from the running platform (1).

7. A collapsible treadmill (100) as recited in claim 6, further comprising: two sides of the front end of the running table (1) are respectively provided with a connecting flange (11), and each connecting flange (11) comprises a flange plate (111) and a shaft sleeve (112) fixed on the outer side of the flange plate (111); the bottom of each upright post (2) is provided with a rotating shaft (22), the rotating shaft (22) penetrates into the shaft sleeve (112), and the rotating shaft (22) can be rotatably fastened on the flange (111) through a fastener (13);

the steel wire pull rope (6) is of an L-shaped structure, the top of the vertical edge of the steel wire pull rope (6) is fixedly connected to the connecting piece (4), and the transverse edge of the steel wire pull rope (6) is provided with a large-diameter section (61), a thin rod (62) and a transverse member (63) which are sequentially arranged from inside to outside; the second spring (7) is sleeved on the thin rod (62) and clamped between the large-diameter section (61) and the transverse member (63); one end of the second pin rod (8) is provided with a bayonet (81) arranged along the radial direction, the cross member (63) is clamped in the bayonet (81), and the second pin rod (8) is inserted into the rotating shaft (22) and the flange plate (111) in sequence.

8. A collapsible treadmill (100) as recited in claim 1, further comprising: the connecting piece (4) is provided with an opening part (41) and a blocking frame (42), and the closed end (512) of the sleeve (51) penetrates out of the opening part (41); the baffle frame (42) is provided with two inclined edges (421), and the top ends of the inclined edges (421) are sequentially lifted from top to bottom;

the sliding mechanism (5) further comprises an operating rod (54), the front side and the rear side of the sleeve (51) are correspondingly provided with a long hole (513) respectively, the first pin rod (52) is provided with a through hole (521) corresponding to the long hole (513), the through hole (521) is matched with the first pin rod (52), the axial length of the long hole (513) is larger than that of the through hole (521), and the operating rod (54) penetrates through the long hole (513) and the through hole (521) simultaneously and abuts against the lowest ends of the two inclined edges (421).

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