CN211327979U

CN211327979U - Foldable treadmill

Info

Publication number: CN211327979U
Application number: CN201921949612.XU
Authority: CN
Inventors: 蔡有财; 刘炳文; 李媛
Original assignee: Xiamen Mydo Sports Equipment Co ltd; Anhui Huami Information Technology Co Ltd
Current assignee: Xiamen Mydo Sports Equipment Co ltd; Anhui Huami Information Technology Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-25
Anticipated expiration: 2029-11-13

Abstract

A foldable treadmill comprises two upright posts, a handrail and two folding units, wherein each folding unit is connected between the top of one upright post and one end of the handrail, and comprises a supporting seat, a side sliding rod and a deflector rod component; the supporting seat is fixed at the top of an upright post and is provided with a fulcrum shaft, and the rear part of the fulcrum shaft is provided with a first through hole corresponding to the horizontal direction; the front end of the side sliding rod is inserted into the first through hole; the shifting rod assembly comprises a shifting pin and a shifting sleeve, the shifting pin penetrates through the side sliding rod and is fixedly connected with the side sliding rod, and the lower end of the shifting pin is inserted into the shifting sleeve and is arranged in an interference fit manner; the utility model discloses can realize the folding of handrail very conveniently.

Description

Foldable treadmill

Technical Field

The utility model relates to a treadmill technical field, in particular to collapsible treadmill.

Background

Modern people are generally lack of exercise due to busy lives. Running is the sport of choice for many people because of its simplicity and efficiency. When the weather is not good, or in some time periods, the indoor treadmill is more convenient compared with running outdoors. However, the conventional treadmill has an excessively large volume and is inconvenient to store. Some foldable treadmills are available in the market, but the folding mechanism thereof still has some disadvantages, still has inconvenience and defects, and needs to be further improved. Therefore, how to create a foldable treadmill with a new structure is also an object of great improvement in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem in the above-mentioned technique to a certain extent at least. Therefore, an object of the present invention is to provide a foldable treadmill.

In order to achieve the above objects, a first aspect of the present invention provides a foldable treadmill, comprising two upright posts, a handrail, and two folding units, wherein each folding unit is connected between the top of one upright post and one end of the handrail, and each folding unit comprises a supporting seat, a side sliding rod, and a driving lever assembly; the supporting seat is fixed at the top of an upright post and is provided with a fulcrum shaft, and the rear part of the fulcrum shaft is provided with a first through hole corresponding to the horizontal direction; the front end of the side sliding rod is inserted into the first through hole; the shifting lever assembly comprises a shifting pin and a shifting sleeve, the shifting pin penetrates through the side sliding rod and is fixedly connected with the side sliding rod, and the lower end of the shifting pin is inserted into the shifting sleeve and is arranged in an interference fit manner.

Based on the design, the shifting sleeves of the two folding units are pulled backwards at the same time, the side sliding rod is separated from the first through hole of the support shaft and folds the handrail downwards, the side sliding rod rotates to the lower part of the support shaft around the outer circumference of the support shaft, and the handrail is driven to rotate to the lower part of the support seat, so that the folding of the handrail is realized.

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

the lower part of the fulcrum shaft is provided with a second through hole corresponding to the vertical direction, and the middle part of the side sliding rod expands outwards to form a blocking part; each folding unit also comprises a mounting seat and a first spring, the side sliding rod can penetrate through the mounting seat in a front-and-back movement manner, and the mounting seat and the blocking part are arranged at intervals; the spring is sleeved on the side sliding rod and clamped between the blocking part and the mounting seat. When the side sliding rod drives the handrail to rotate to the position under the supporting seat around the outer circumference of the supporting shaft, the handrail is still in a state of being tightly screwed and not loosened, the spring is in a compression state until the handrail rotates to the position of the second through hole under the supporting shaft, the side sliding rod is automatically inserted into the second through hole under the resilience force of the spring, the feedback sound is sounded, the fixing of the side sliding rod is realized, and when the handrail is touched, the back-and-forth swinging phenomenon cannot be generated.

Each folding unit also comprises a rotating plate assembly, and the rotating plate assembly comprises a rotating shaft, a fixed sleeve and a rotating plate; the rotating shaft is vertically arranged at the front end of the rotating plate, axially penetrates through the fulcrum shaft and is rotatably fastened on the upright post; the fixed sleeve is connected to the rotating plate in parallel and sleeved on the front end of the side sliding rod; the mounting seat is fastened to the rotating plate. The rotating plate component is used for positioning and fixing the sliding rod and can enable the folding unit to rotate along with the rotating shaft.

The top end of the shifting sleeve is integrally connected with a cover plate; each folding unit also comprises a storage box, and the storage box comprises a box cover and a box body; the rear end part of the box cover is provided with a concave arc opening (a), the concave arc opening (a) is matched with the outer circumferential surface of the handrail, the box cover covers the box body and is fixedly connected with the box body, and the concave arc opening (a) of the box cover is abutted against the outer circumferential surface of the handrail; the inner wall of the box body is provided with a hollow opening cylinder corresponding to the poking sleeve; the free end of the fulcrum shaft penetrates through the box cover and penetrates into the box body, the side sliding rod, the shifting lever assembly and the rotating plate assembly are all located in the box body, the cover plate covers the top end of the opening cylinder, the shifting sleeve penetrates out of the opening cylinder, and the shifting sleeve can be linearly moved relative to the opening cylinder.

The folding mechanism comprises a stay wire wheel, a steel wire rope, a pull pin, a sleeve, a fixed seat and a rotating shaft; the supporting seat is also provided with a flange which is integrally connected with the outer end part of the fulcrum shaft, and the flange is locked on the upright post; the rotating shaft sequentially penetrates through the support shaft, the flange and the wire pulling wheel, and the wire pulling wheel and the rotating shaft are arranged in a linkage manner; one end of the steel wire rope is wound and fixed on the wire pulling wheel, and the other end of the steel wire rope is linked with the pulling pin; one end of the sleeve is an opening end; the rotating shaft can be rotatably arranged, and the bottoms of the two upright posts are fixedly connected with the left end and the right end of the rotating shaft; the bottom of the fixed seat is fixedly connected with the rotating shaft, the top of the fixed seat is provided with a containing sleeve, the pull pin can be arranged in the sleeve in a left-right moving mode, and one end of the pull pin penetrates through the opening end of the sleeve and extends into the containing sleeve. When the handrail rotates downwards and is folded, the steel wire rope is tensioned to drive the pull pin to horizontally move towards the direction far away from the accommodating sleeve, so that the pull pin is separated from the accommodating sleeve, the fixed seat can rotate backwards along with the rotating shaft, and the two vertical columns can be folded downwards on the running table.

The folding mechanism further comprises a fixed pin, the top of the sleeve is provided with a sliding chute, and the steel wire rope is fixedly connected with the fixed pin; the fixed pin penetrates into the sliding groove and the pull pin from top to bottom in sequence, and the fixed pin can well realize the steel wire rope pulling pull pin.

The folding mechanism also comprises a second spring, and the tail part of the pull pin is inwards sunken to form a groove; the spring is arranged in the sleeve and clamped between the tail of the sleeve and the groove. When the treadmill is used, the steel wire rope is in a relaxed state, and the pull pin is inserted into the accommodating sleeve at the moment to prevent the rotating shaft from rotating and limit the rotating shaft; when the upright post is folded on the running platform, the rotating shaft rotates in place, the steel wire rope is always in a tensioned state, and the spring is always in a compressed state.

The outer circumferential surface of the sleeve head is matched with the inner wall of the accommodating sleeve, and the accommodating sleeve is tightly sleeved on the sleeve head; the head of the pull pin is inserted into the sleeve head.

The head of the pull pin is contracted inwards to form an inserted column, and the top and the bottom of the inserted column are both first arc surfaces; the inner wall top surface and the bottom surface of the sleeve head are second arc surfaces, the second arc surfaces are matched with the first arc surfaces, the inserting columns are inserted into the sleeve head, and the second arc surfaces and the first arc surfaces are arranged, so that the pull pins are better matched with the sleeve head.

The folding mechanism further comprises a front support rod and an air cylinder, the air cylinder is fixed between the fixed seat and the front support rod, and the air cylinder is used for driving the rotating shaft to rotate forwards or backwards for certain displacement.

Drawings

Fig. 1 is a schematic view of the foldable treadmill of the present invention in a normal state.

Fig. 2 is a schematic view of a foldable running machine according to the present invention.

Fig. 3 is an exploded view of the folding unit of the present invention.

Fig. 4 is a schematic view of the folding unit in the present invention in a use state (with the box cover removed).

Fig. 5 is a schematic plan view of the folding unit of the present invention.

Fig. 6 is a schematic view of a second usage state of the folding unit of the present invention.

Fig. 7 is a schematic view of a third usage state of the folding unit in the present invention.

Fig. 8 is an exploded view of the folding mechanism of the present invention.

Fig. 9 is a schematic view of the folding mechanism of the present invention in use.

Fig. 10 is a schematic view of a second usage state of the folding mechanism of the present invention.

Fig. 11 is a matching view of the middle pull pin and the sleeve head of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, 3 and 7, a foldable treadmill includes two upright posts 1 and a handrail 2, and further includes two folding units 3, each folding unit 3 is connected between the top of one upright post 1 and one end of the handrail 2, each folding unit 3 includes a supporting seat 31, a side sliding rod 32, a driving lever assembly 33, a rotating plate assembly 36, a storage box 37, a folding mechanism 4, a mounting seat 34 and a first spring 35; the supporting seat 31 is fixed on the top of a vertical column 1, the supporting seat 31 is provided with a supporting shaft 311 and a flange 314, a first through hole 312 is arranged at the rear part of the supporting shaft 311 corresponding to the horizontal direction, and a second through hole 313 is arranged at the lower part of the supporting shaft 311 corresponding to the vertical direction; the flange 314 is integrally connected to the outer end of the fulcrum 311, and the flange 314 is locked on the upright 1;

referring to fig. 3-7, the rotating plate assembly 36 includes a rotating shaft 361, a fixed sleeve 362 and a rotating plate 363; the rotating shaft 361 is vertically arranged at the front end of the rotating plate 363, and the rotating shaft 361 axially passes through the fulcrum 311 and is rotatably fastened on the upright post 1; the fixed sleeve 362 is connected to the rotating plate 363 in parallel, and the fixed sleeve 362 is sleeved on the front end of the side sliding rod 32; the mounting seat 34 is secured to the rotating plate 363. The rotating plate assembly 36 is used to position and fix the sliding rod, and can rotate the folding unit 3 along with the rotating shaft 361. The shift lever assembly 33 includes a shift pin 331 and a shift sleeve 332, the shift pin 331 is disposed through the side sliding rod 32 and is fastened and connected with the side sliding rod 32, and the lower end of the shift pin 331 is inserted into the shift sleeve 332 and is disposed in interference fit with the shift sleeve 332. The front end of the side sliding bar 32 is inserted into the first through hole 312, and the middle part of the side sliding bar 32 expands outwards to form a stop part 321; the side sliding rod 32 can pass through the mounting seat 34 in a front-and-back movement manner, and the mounting seat 34 and the stopping part 321 are arranged at intervals; the spring is sleeved on the side sliding rod 32 and clamped between the stop part 321 and the mounting seat 34. When the side sliding rod 32 drives the armrest 2 to rotate around the outer circumference of the fulcrum 311 to the position right below the supporting seat 31, at this time, the armrest 2 is still in a state of being not loosened by screwing, the spring is in a compressed state until the armrest rotates to the position of the second through hole 313 right below the fulcrum 311, the side sliding rod 32 is automatically inserted into the second through hole 313 under the resilience force of the spring, the feedback sound is sounded, the fixing of the side sliding rod 32 is realized, and when the armrest 2 is touched, the back-and-forth swinging phenomenon cannot be generated.

Referring to fig. 3-4 and fig. 7, a cover plate 333 is integrally connected to the top end of the dial sleeve 332; the storage box 37 comprises a box cover 371 and a box body 372; the box cover 371 covers the box body 372 and is tightly connected with the box body 372, and the concave arc opening a of the box cover 371 abuts against the outer circumferential surface of the handrail 2; the inner wall of the box body 372 corresponding to the dial sleeve 332 is provided with a hollow mouth tube 3721; the free end of the fulcrum 311 passes through the box cover 371 and penetrates into the box body 372, the side sliding rod 32, the shift lever assembly 33 and the rotating plate assembly 36 are all located in the box body 372, the cover plate 333 covers the top end of the mouth tube 3721, the shift sleeve 332 penetrates out of the mouth tube 3721, and the shift sleeve 332 can be linearly arranged relative to the mouth tube 3721.

Referring to fig. 1, 4 and 8-9, the folding mechanism 4 includes a wire-drawing wheel 41, a wire rope 42, a pull pin 43, a sleeve 44, a fixing seat 45, a rotating shaft 46, a fixing pin 47, a second spring 48, a sleeve head 49, a front supporting rod 40 and a cylinder k; the rotating shaft 361 sequentially penetrates through the support shaft 311, the flange 314 and the stay wheel 41, the stay wheel 41 and the rotating shaft 361 are arranged in a linkage manner, and the front end of the sliding rod is abutted against the outer side surface of the rotating shaft 361; one end of the steel wire rope 42 is wound and fixed on the wire pulling wheel 41, and the other end of the steel wire rope is linked with the pulling pin 43; one end of the sleeve 44 is an open end 441; the rotating shaft 46 can be rotatably arranged, and the bottoms of the two upright posts 1 are fixedly connected with the left end and the right end of the rotating shaft 46; the bottom of the fixed seat 45 is fixedly connected with the rotating shaft 46, the top of the fixed seat 45 is provided with an accommodating sleeve 451, the pull pin 43 is arranged in the sleeve 44 in a manner of moving left and right, and one end of the pull pin 43 penetrates through the open end 441 of the sleeve 44 and extends into the accommodating sleeve 451. When the handrail 2 is folded downwards, the steel wire rope 42 is tensioned to drive the pull pin 43 to horizontally move in the direction away from the accommodating sleeve 451, so that the pull pin is separated from the accommodating sleeve 451, the fixing seat 45 can rotate backwards along with the rotating shaft 46, and the two upright posts 1 are folded downwards on the running platform.

Referring to fig. 1, 4 and 8-11, a sliding groove 442 is formed at the top of the sleeve 44, and the wire rope 42 is fixedly connected to the fixing pin 47; the fixing pin 47 sequentially penetrates through the sliding groove 442 and the pull pin 43 from top to bottom, and the fixing pin 47 can well realize that the steel wire rope 42 pulls the pull pin 43. The tail part of the pull pin 43 is inwards sunken to form a groove 431; the spring is disposed within the sleeve 44 and captured between the rear of the sleeve 44 and the recess 431. When the treadmill is used, the steel wire rope 42 is in a relaxed state, and the pull pin 43 is inserted into the accommodating sleeve 451 at the moment, so that the rotating shaft 46 is prevented from rotating, and the rotating shaft 46 is limited; when the upright 1 is folded on the running platform, the rotating shaft 46 rotates to a proper position, the steel wire rope 42 is always in a tensioned state, and the spring is always in a compressed state. The outer peripheral surface of the sleeve head 49 is matched with the inner wall of the accommodating sleeve 451, and the accommodating sleeve 451 is tightly sleeved on the sleeve head 49; the head of the pull pin 43 is inserted into the sleeve head 49. The head of the pull pin 43 contracts inwards to form an inserting column 432, and the top and the bottom of the inserting column 432 are both first arc surfaces 432 a; the inner wall top surface and the bottom surface of pullover 49 are second arc surface 49a, just second arc surface 49a and first arc surface 432a cooperate the setting, insert during post 432 inserts pullover 49, second arc surface 49a and first arc surface 432 a's setting makes the cooperation of pull pin 43 and pullover 49 better. The front support rod 40 is arranged on a main frame component, and the main frame component is erected on a rotating shaft 46; the air cylinder k is fixed between the fixed seat 45 and the front stay 40, and the air cylinder k is used for driving the rotating shaft 46 to rotate forwards or backwards for a certain displacement.

Referring to fig. 1-2, fig. 5-7 and fig. 9-10, when the present invention is applied, the toggle sleeves 332 of the two folding units 3 are pulled backward, the side sliding rod 32 is separated from the first through hole 312 of the supporting shaft 311, and the armrest 2 is folded downward, the side sliding rod 32 rotates around the outer circumference of the supporting shaft 311 to the lower side of the supporting shaft 311, and drives the armrest 2 to rotate to the lower side of the supporting seat 31, so as to fold the armrest 2, and the armrest 2 will not swing back and forth when touched. The handrail 2 drives the wire pulling wheel 41 to rotate when being folded downwards, the steel wire rope 42 moves upwards and is tensioned, the fixing pin 47 is fixedly connected with the steel wire rope 42, the fixing pin 47 drives the pulling pin 43 to move rightwards, and the spring is compressed, so that the pulling pin 43 is separated from the sleeve head 49 and the accommodating sleeve 451, the two upright posts 1 are rotated downwards, the rotating shaft 46 can rotate backwards under the action of the gravity of the two upright posts 1 and the air cylinder k, and the two upright posts 1 can be folded on the running table. When the treadmill is to be used, the upright post 1 rotates upwards to be far away from the running platform, the steel wire rope 42 is gradually loosened, when the upright post 1 is upright in place, the steel wire rope 42 is completely loosened, the pull pin 43 is inserted into the accommodating sleeve 451 to limit the accommodating sleeve 451 and prevent the rotating shaft 46 from rotating, so that the treadmill can be used.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, 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 without departing from the scope of the present invention.

Claims

1. A collapsible treadmill (100) comprising two uprights (1) and a handrail (2), characterized in that: the folding device is characterized by further comprising two folding units (3), wherein each folding unit (3) is connected between the top of one upright post (1) and one end of one handrail (2), and each folding unit (3) comprises a supporting seat (31), a side sliding rod (32) and a deflector rod assembly (33); the supporting seat (31) is fixed at the top of an upright post (1), the supporting seat (31) is provided with a supporting shaft (311), and the rear part of the supporting shaft (311) is provided with a first through hole (312) corresponding to the horizontal direction; the front end of the side sliding rod (32) is inserted into the first through hole (312); the shifting lever component (33) comprises a shifting pin (331) and a shifting sleeve (332), the shifting pin (331) penetrates through the side sliding rod (32) and is fixedly connected with the side sliding rod (32), and the lower end of the shifting pin (331) is inserted into the shifting sleeve (332) and is arranged in an interference fit manner with the shifting sleeve (332).

2. A collapsible treadmill as recited in claim 1, wherein: a second through hole (313) is formed in the lower portion of the support shaft (311) corresponding to the vertical direction, and the middle portion of the side sliding rod (32) expands outwards to form a stopping portion (321); each folding unit (3) further comprises an installation seat (34) and a first spring (35), the side sliding rod (32) can penetrate through the installation seat (34) in a front-and-back movement mode, and the installation seat (34) and the stop part (321) are arranged at intervals; the spring is sleeved on the side sliding rod (32) and clamped between the stop part (321) and the mounting seat (34).

3. A collapsible treadmill as recited in claim 2, wherein: each folding unit (3) also comprises a rotating plate component (36), and the rotating plate component (36) comprises a rotating shaft (361), a fixed sleeve (362) and a rotating plate (363); the rotating shaft (361) is vertically arranged at the front end of the rotating plate (363), and the rotating shaft (361) axially penetrates through the fulcrum shaft (311) and is rotatably fastened on the upright post (1); the fixed sleeve (362) is connected to the rotating plate (363) in parallel, and the fixed sleeve (362) is sleeved on the front end of the side sliding rod (32); the mounting seat (34) is fastened to the rotating plate (363).

4. A collapsible treadmill as recited in claim 3, wherein: the folding device is characterized by also comprising a folding mechanism (4), wherein the folding mechanism (4) comprises a stay wheel (41), a steel wire rope (42), a pull pin (43), a sleeve (44), a fixed seat (45) and a rotating shaft (46);

the supporting seat (31) is also provided with a flange (314), the flange (314) is integrally connected to the outer end part of the fulcrum shaft (311), and the flange (314) is locked on the upright post (1);

the rotating shaft (361) sequentially penetrates through the fulcrum shaft (311), the flange (314) and the wire pulling wheel (41), and the wire pulling wheel (41) and the rotating shaft (361) are arranged in a linkage manner; one end of the steel wire rope (42) is wound and fixed on the wire pulling wheel (41), and the other end of the steel wire rope is linked with the pulling pin (43); one end of the sleeve (44) is an open end (441); the rotating shaft (46) can be rotatably arranged, and the bottoms of the two upright posts (1) are fixedly connected with the left end and the right end of the rotating shaft (46); the bottom of the fixed seat (45) is fixedly connected with the rotating shaft (46), the top of the fixed seat (45) is provided with an accommodating sleeve (451), the pull pin (43) can be arranged in the sleeve (44) in a left-right moving mode, and one end of the pull pin (43) penetrates through the opening end (441) of the sleeve (44) and extends into the accommodating sleeve (451).

5. A collapsible treadmill as recited in claim 4, wherein: the folding mechanism (4) further comprises a fixing pin (47), the top of the sleeve (44) is provided with a sliding chute (442), and the steel wire rope (42) is fixedly connected with the fixing pin (47); the fixing pin (47) penetrates the sliding groove (442) and the pull pin (43) from top to bottom in sequence.

6. A collapsible treadmill as recited in claim 5, wherein: the folding mechanism (4) further comprises a second spring (48), the tail part of the pull pin (43) is inwards sunken to form a groove (431); the spring is arranged in the sleeve (44) and clamped between the tail part of the sleeve (44) and the groove (431).

7. A collapsible treadmill as recited in claim 4, wherein: the sleeve is characterized by further comprising a sleeve head (49), the outer peripheral surface of the sleeve head (49) is matched with the inner wall of the accommodating sleeve (451), and the accommodating sleeve (451) is tightly sleeved on the sleeve head (49); the head of the pull pin (43) is inserted into the sleeve head (49).

8. A collapsible treadmill as recited in claim 7, wherein: the head of the pull pin (43) is contracted inwards to form an inserted column (432), and the top and the bottom of the inserted column (432) are both first arc surfaces (432 a); the inner wall top surface and the bottom surface of pullover (49) are second arc surface (49a), just second arc surface (49a) and first arc surface (432a) cooperate the setting, insert post (432) and insert in pullover (49).

9. A collapsible treadmill as recited in claim 4, wherein: the folding mechanism (4) further comprises a front support rod (40) and an air cylinder (k), and the air cylinder (k) is fixed between the fixed seat (45) and the front support rod (40).

10. A collapsible treadmill as recited in claim 1, wherein: the top end of the shifting sleeve (332) is integrally connected with a cover plate (333);

each folding unit (3) also comprises a storage box (37), and the storage box (37) comprises a box cover (371) and a box body (372); the box cover (371) covers the box body (372) and is fixedly connected with the box body (372), and the concave arc opening (a) of the box cover (371) abuts against the outer circumferential surface of the handrail (2); the inner wall of the box body (372) is provided with a hollow opening cylinder (3721) corresponding to the shifting sleeve (332); the free end of the fulcrum shaft (311) penetrates through the box cover (371) and penetrates into the box body (372), the side sliding rod (32), the shifting lever component (33) and the rotating plate component (36) are all located in the box body (372), the cover plate (333) covers the top end of the mouth barrel (3721), the shifting sleeve (332) penetrates out of the mouth barrel (3721), and the shifting sleeve (332) can be linearly moved relative to the mouth barrel (3721).