CN109350910B - Folding mechanism for running board of running machine and running machine thereof - Google Patents
Folding mechanism for running board of running machine and running machine thereof Download PDFInfo
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- CN109350910B CN109350910B CN201811441466.XA CN201811441466A CN109350910B CN 109350910 B CN109350910 B CN 109350910B CN 201811441466 A CN201811441466 A CN 201811441466A CN 109350910 B CN109350910 B CN 109350910B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2210/00—Space saving
- A63B2210/50—Size reducing arrangements for stowing or transport
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- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Tools (AREA)
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Abstract
The invention discloses a folding mechanism for running boards of a running machine and the running machine thereof, comprising a first running board and a second running board which are rotationally connected together, wherein the first running board and the second running board are in sliding connection around an arc through a connecting structure, the arc limits a pivot for the rotation of the first running board relative to the second running board, and the pivot is positioned between the first running board and the second running board after the first running board is folded relative to the second running board; the first running plate and the second running plate are in sliding connection through an arc-shaped track: a first arc through hole is formed in a first sliding block, a second arc through hole is formed in a second sliding block, a pin fixing seat is located between the first sliding block and the second sliding block, and at least one first pin which is in sliding fit with the first arc through hole and at least one second pin which is in sliding fit with the second arc through hole are fixed on the pin fixing seat. The folding mechanism of the running board of the running machine is simple, small in size and simple and convenient to operate.
Description
Technical Field
The invention relates to the technical field of fitness equipment, in particular to a folding mechanism for a running board of a running machine and the running machine thereof.
Background
The running machine is also called a walking machine and generally comprises a running plate, a first roller which is driven by a driving and transmission mechanism and is arranged at the front end of the running plate, and a running belt which is tensioned on the first roller and the second roller and is covered outside the running plate.
The running platform of the traditional running machine is of an integral structure, and has large volume, large occupied space and high transportation cost and storage cost during transportation and household storage.
In recent years, technicians design a folding mechanism of a running board, the running board can be folded when required, and occupied space is reduced when the running board is transported and stored in families, but the following defects still exist in the running board folding mechanism in the prior art: the folding mechanism is complex in structure and large in size, and is relatively complex and laborious to operate if provided with an air cylinder, a large reset spring and the like. The folding mechanism is arranged on the plate of the running plate instead of the frame, so that on one hand, a certain surface space of the plate is occupied, and on the other hand, the strength and the service life of the folding mechanism are affected, and if the thickness of the plate is greatly increased, the cost is increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a folding mechanism for a running board of a running machine, which has the advantages of simple structure, small volume and simple and convenient operation.
One technical solution of the present invention is to provide a folding mechanism for a treadmill deck, comprising a first deck and a second deck rotatably coupled together, the first deck and the second deck being slidably coupled by a coupling structure about an arc, wherein the arc defines a pivot axis of rotation of the first deck relative to the second deck between the first deck and the second deck after the first deck is folded relative to the second deck.
After adopting the structure, the folding mechanism for the running board of the running machine has the following advantages: the first running board and the second running board which are connected together in a rotating way are connected in a sliding way around an arc through a connecting structure. Undoubtedly, the folding mechanism has the advantages of folding the running table during transportation and household storage, and reducing occupied space. In particular, the structure introduces the concept of a virtual axis, i.e. an imaginary axis, and when the first running plate and the second running plate slide around an arc through the connecting structure, the movement plane of the first running plate and the second running plate rotate around the axis of the virtual axis, and when the first running plate and the second running plate are mutually folded for 0 DEG, both arcs are on the concentric circle of the axis of the virtual axis. The folding structure is simple, reasonable and scientific in design, and the first running plate and the second running plate are simple, convenient, labor-saving and reliable in operation in the folding or unfolding process from 0 degrees to 180 degrees.
Further, the first running plate and the second running plate are connected in a sliding mode through an arc-shaped track. After the structure is adopted, the applicability of the arc-winding sliding connecting structure is stronger, various specific embodiments can be designed, and the first running plate and the second running plate are further ensured to be simple, convenient, labor-saving and reliable in the folding process from 0 DEG to 180 deg.
Further, the first running board comprises a first frame and a first board arranged on the first frame, and the second running board comprises a second frame and a second board arranged on the second frame; the arc-shaped track is connected to the two longitudinal beams of the first frame and the two longitudinal beams of the second frame in a sliding manner; one of the frames is pulled to realize the rotation of the first frame and the second frame. After adopting above structure, because the beta structure is installed on the frame, neither occupy the surface space of board, reducible thickness and reduce cost of board has increased the bulk strength and the life of running board again.
Further, a first arc through hole is formed in a first sliding block, a second arc through hole is formed in a second sliding block, a pin fixing seat is located between the first sliding block and the second sliding block, at least one first pin slidingly matched in the first arc through hole and at least one second pin slidingly matched in the second arc through hole are fixed on the pin fixing seat, one end of the first sliding block is fixed on the first frame, and one end of the second sliding block is fixed on the second frame. After the structure is adopted, the folding mechanism has the advantages of fewer parts, simple structure, small volume, and labor saving and reliability in sliding between the sliding block and the pin fixing seat.
Further, the end part of the first frame at the joint is provided with a first cambered surface extending from the rear bottom to the front top, and the end part of the second frame at the joint is provided with a second cambered surface extending from the front bottom to the rear top; the bottom of the pin fixing seat is provided with a third cambered surface which is in sliding fit with the first cambered surface, the bottom of the pin fixing seat is provided with a fourth cambered surface which is in sliding fit with the second cambered surface, and the third cambered surface is connected with the fourth cambered surface and is in smooth transition; the bottom of the non-fixed end of the first sliding block is provided with a fifth cambered surface which is in sliding fit with the second cambered surface, and the non-fixed end of the second sliding block is provided with a sixth cambered surface which is in sliding fit with the first cambered surface. After the specific structure is preferably adopted by the arc-shaped track, the cambered surface of the pin fixing seat and the cambered surface of the bottom of the sliding block are simultaneously in sliding fit with the cambered surface on the frame, the sliding of the pin in the arc-shaped through hole is combined, the first running plate and the second running plate rotate along the axis of the virtual shaft more flexibly, stably and reliably, and the overall strength of the running plate is improved, and the service life of the running plate is prolonged.
Further, the number of the first pins which are in sliding fit in the first arc-shaped through holes is two, and the first pins can slide in the first arc-shaped through holes in the whole process; the number of the second pins which are in sliding fit in the second arc-shaped through holes is two, and the second pins can slide in the second arc-shaped through holes in the whole process. After the structure is adopted, the sliding guidance quality of the pin in the guide through hole is better, and the first running plate and the second running plate are mutually folded or unfolded more flexibly, stably and reliably.
Further, the first pin extends out of the first sliding block, and a first nut is screwed on the extending part of the first pin; the second pin extends out of the second sliding block, and a second nut is screwed on the extending part of the second pin. After the structure is adopted, the first sliding block and the second sliding block can not deviate from the pin base at any time, so that the pin can slide in the arc-shaped through hole with better guiding performance, the first running plate and the second running plate are mutually folded or unfolded more stably and reliably, and the strength of the folding mechanism and the service life of the running plate are further prolonged.
Further, a first metal pressing sheet which is sleeved on the first pin post and enables the first frame and the second frame to rotate to any position is arranged between the first nut and the first sliding block; and a second metal pressing sheet which is sleeved on the second pin post and enables the first frame and the second frame to rotate to any position is arranged between the second nut and the second sliding block. After the structure is adopted, the first frame and the second frame can be positioned at any position between 0 and 180 degrees in the folding or unfolding process, so that different requirements of people on the angle of the first frame and the second frame are met, the operation is more convenient, and the safety of the operation process of operators is ensured.
One end of the first sliding block is fixed with the first frame fixing structure through bolts: the rear end of the first frame is provided with two first threaded holes, the first sliding block is provided with two first round through holes which are in one-to-one correspondence with the first threaded holes, and the two first bolts penetrate through the two first round through holes one-to-one correspondence and are screwed in the two first threaded holes; one end of the second sliding block is fixed with the second frame fixing structure by bolts: the front end of the second frame is provided with two second threaded holes, the second sliding block is provided with two second round through holes corresponding to the second threaded holes one by one, and the two second bolts penetrate through the two second round through holes one by one and are screwed in the second threaded holes. After the structure is adopted, the fixing of the sliding block and the first frame and the second frame is firm and the disassembly is convenient, and the matching of the cambered surface at the other end of the sliding block can be properly adjusted, so that the running board is folded or unfolded more flexibly and smoothly.
Another technical problem to be solved by the invention is to provide a running machine with a simple structure, small volume and simple and convenient operation of the folding mechanism of running.
The running board is provided with a first roller driven by a driving and transmission mechanism and arranged at the front end of the running board, a second roller arranged at the rear end of the running board, and a running belt which is tensioned on the two rollers and covers the outside of the running board.
After the structure is adopted, the invention provides a running machine complete machine product of the running board adopting the folding mechanism, which can have all the advantages of the folding mechanism adopting the running board adopting the technical schemes, and has strong market popularization value and competitive advantage.
Drawings
Fig. 1 is an exploded view of the folding mechanism of the running deck of the present invention when it is unfolded 180 degrees, i.e., in an operating state.
Fig. 2 is an enlarged schematic view of a partial structure in fig. 1.
Fig. 3 is a schematic view of the folding mechanism of the deck of fig. 1 when assembled and unfolded 180 ° or in an operative state.
Fig. 4 is a schematic view of the running deck of the present invention when assembled (shown with the running belt) open 180 deg. i.e. in an operating position.
Fig. 5 is a schematic view of the deck of fig. 4 after assembly (showing the first and second deck) folded about 90 °.
Fig. 6 is a schematic view of the deck of fig. 4 folded about 0 deg. after assembly.
1, A driving mechanism, 2, a first roller, 3, a second roller, 4, a running belt, 5, a first frame, 6, a second frame, 7, a first plate, 8, a second plate, 9, a folding mechanism body, 10, a first arc through hole, 11, a first sliding block, 12, a second arc through hole, 13, a second sliding block, 14, a pin fixing seat, 15, a first pin, 16, a second pin, 17, a fourth arc surface, 18, a third flexible gasket, 19, a first flexible pipe, 20, a fifth arc surface, 21, a first nut, 22, a first bolt, 23, a first metal pressing sheet, 24, a first flexible gasket, 25, a first circular through hole, 26, a third arc surface, 27, a first threaded hole, 28, a first arc surface, 29, a sixth arc surface, 30, a second flexible gasket, 31, a second metal pressing sheet, 32, a second nut, 33, a second bolt, 34, a second circular through hole, 35, a second flexible pipe, 36, a fourth arc surface, 37.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings. It should be noted that the description of these embodiments is for aiding in understanding the present invention, but is not to be construed as limiting the invention. In addition, the technical features described in the following embodiments of the present invention may be combined with each other as long as they do not collide with each other.
As shown in fig. 1,2 and 3
The invention relates to a folding mechanism for running boards of a running machine, which comprises a first running board and a second running board which are connected together in a rotating way, wherein the first running board and the second running board are connected in a sliding way around an arc through a connecting structure. In other words, the first running plate and the second running plate which are rotationally connected together are slidingly connected around an arc by the connecting structure. Wherein the arc defines a pivot axis about which the first deck rotates relative to the second deck, the pivot axis being located between the first deck and the second deck after the first deck is folded relative to the second deck. The folding mechanism guides the concept of a virtual shaft, namely an imaginary shaft, and when the first running plate and the second running plate slide around an arc through the connecting structure, the movement plane of the first running plate and the second running plate rotate around the axis of the virtual shaft, and when the first running plate and the second running plate are mutually folded to 0 DEG, the two arcs are on the concentric circles of the axis of the virtual shaft.
In first running board and the second running board pass through arc track sliding connection, the arc track can have multiple structure, if establish a connecting plate on the first running board, have rotatable 180 arc through-hole or call arc wall on the connecting plate, have a protrusion and stretch into the whole gliding slider in the arc through-hole on the second running board, the slider slides in the arc through-hole in order to realize first running board and second running board and rotate in 0 to 180 within range. For example, the first running plate is provided with an arc through hole capable of rotating by 180 degrees, the second running plate is provided with a sliding shaft extending into the arc through hole and sliding in the whole course, and the sliding shaft slides in the arc through hole so as to realize the rotation of the first running plate and the second running plate within the range of 0-180 degrees.
Of course, the arcuate track is preferred in the following embodiments
The first running board comprises a first frame 5 such as a front frame and a first board 7 such as a front board mounted on the first frame 5, and the second running board comprises a second frame 6 such as a rear frame and a second board 8 such as a rear board mounted on the second frame 6. The arc-shaped rails are slidably connected to two stringers of the first frame 5 and to two stringers of the second frame 6. Pulling one of the frames can realize the rotation of the first frame 5 and the second frame 6 within the range of 0 DEG to 180 deg.
The first sliding block 11 of the arc track is provided with a first arc through hole 10, the second sliding block 13 is provided with a second arc through hole 12, the pin fixing seat 14 is positioned between the first sliding block 11 and the second sliding block 12, at least one first pin 15 which is in sliding fit with the first arc through hole 10 and at least one second pin 16 which is in sliding fit with the second arc through hole 12 are fixed on the pin fixing seat 14, one end of the first sliding block 11 is fixed on the first frame 5, and one end of the second sliding block 12 is fixed on the second frame 6. The fixing can adopt the following structure: the pin passes through the through hole on the pin fixing seat 14, namely the first pin 15 and the second pin 16 pass through the through hole on the pin fixing seat 14, and the other end of the through hole far away from the pin is a conical counter bore for pushing and welding to weld the pin end in the through hole. The arc through holes are also called arc grooves. The first pin 15 and the second pin 16 can also be regarded as sliding shafts.
The end of the first frame 5 at the junction has a first cambered surface 28 extending from the rear bottom to the front top, and the end of the second frame 6 at the junction has a second cambered surface 37 extending from the front bottom to the rear top. The bottom of the pin fixing seat 14 is provided with a third cambered surface 26 which is in sliding fit with the first cambered surface 28, the bottom of the pin fixing seat 14 is provided with a fourth cambered surface 17 which is in sliding fit with the second cambered surface 37, and the third cambered surface 26 is connected with the fourth cambered surface 17 and is in smooth transition. The bottom of the non-fixed end of the first sliding block 11 is provided with a fifth cambered surface 20 which is in sliding fit with the second cambered surface 37, and the non-fixed end of the second sliding block 13 is provided with a sixth cambered surface 29 which is in sliding fit with the first cambered surface 28.
The above first pins 15 slidably fitted in the first arc-shaped through holes 10 are preferably two and can slide all the way in the first arc-shaped through holes 10. The number of second pins 16 which are slidably fitted in the second arcuate through holes 12 is preferably two and can slide all the way through the second arcuate through holes 12.
The first pin 15 extends outside the first slider 11, and a first nut 21 is screwed on the extending portion of the first pin. The second pin 16 extends outside the second slider 13, and a second nut 32 is screwed on the extending portion thereof.
A first metal pressing sheet 23 which is sleeved on the first pin 15 and can be positioned by rotating the first frame 5 and the second frame 6 to any position is arranged between the first nut 21 and the first sliding block 11. A second metal pressing sheet 31 which is sleeved on the second pin 16 and can be positioned by rotating the first frame 5 and the second frame 6 to any position is arranged between the second nut 32 and the second sliding block 13. The first metal pressing sheet 23 and the second metal pressing sheet 31 can be arc sheets with the same radian as the arc through holes of the two pin sliding fit, and the arc sheets are provided with through holes for the two pin to pass through in a one-to-one correspondence manner. An integrally formed washer may be attached to each of the first nut 21 and the second nut 32.
A first flexible gasket 24 sleeved on the first pin 15 is arranged between the first sliding block 11 and the first metal pressing sheet 23. A second flexible pad 30 piece sleeved on the second pin 16 is arranged between the second sliding block 13 and the second metal pressing piece 31. The first flexible gasket 24 and the second flexible gasket 30 may be arc gaskets with the same radian as that of the two pins in the arc through holes, and the arc gaskets are provided with through holes for the two pins to pass through in a one-to-one correspondence manner. Such as nylon gaskets. After adopting above structure, reduced the rigidity friction between metal preforming and the slider surface, prolonged spare part's life to the noise that probably appears in the rotation in-process each other has been avoided.
A third flexible gasket 18 sleeved on the first pin 15 and connected with a first flexible pipe 19 is arranged between the pin fixing seat 14 and the first sliding block 11, and the first flexible pipe 19 is sleeved on the first pin 15 and extends into and is in sliding fit with the first arc-shaped through hole 10. A fourth flexible gasket 36 sleeved on the second pin 16 and connected with a second flexible pipe 35 is arranged between the pin fixing seat 14 and the second sliding block 13, and the second flexible pipe 35 is sleeved on the second pin 16 and extends into and is in sliding fit with the second arc-shaped through hole 12. The third flexible gasket 18 and the fourth flexible gasket 36 can be arc gaskets with the same arc degree as the arc through holes of the two pins in sliding fit, and the arc gaskets are provided with through holes for the two pins to pass through in a one-to-one correspondence manner and are integrally formed with the two flexible pipes. The flexible gasket such as nylon gasket, the flexible tube such as nylon tube, can be integrally formed into nylon gasket and nylon tube. After the structure is adopted, the rigid friction between the pin fixing seat and the surface of the sliding block and between the pin and the arc-shaped through hole wall is reduced, the service life of parts is prolonged, and noise possibly occurring in the process of mutual rotation is avoided.
One end of the first slider 11 is fixed with the first frame 5 by bolts: the rear end of the first frame 5 is provided with two first threaded holes 27, the first slider 11 is provided with two first circular through holes 25 which are in one-to-one correspondence with the first threaded holes 27, and the two first bolts 22 penetrate through the two first circular through holes 25 in one-to-one correspondence and are screwed in the two first threaded holes 27. One end of the second slider 12 is fixed with the second frame 6 by bolts: the front end of the second frame 6 has two second threaded holes (not labeled in the figure, but understood to be two holes on the second frame in fig. 2, two second threaded holes penetrate through the inner side of the second frame in the past), the second slider 13 has two second circular through holes 34 corresponding to the second threaded holes one by one, and the two second bolts 33 penetrate through the two second circular through holes 34 one by one and are screwed in the second threaded holes. The bolts can be provided with spring gaskets.
The arc-shaped tracks are slidably connected to the two longitudinal beams of the first frame 5 and the two longitudinal beams of the second frame 6, wherein the arc-shaped tracks can be regarded as a folding mechanism body 9 or a folding mechanism body. In other words, the joints of the two sides of the first frame 5 and the second frame 6 are connected by arc-shaped rails in a sliding manner, or called folding mechanism bodies 9, and the folding mechanism bodies 9 of the two sides are identical, that is, the specific structures of the folding mechanism bodies 9 of the two sides are identical.
On both the inner and outer sides of each folding mechanism body 9 there may be a protective cover covering the folding mechanism body 9 when the first frame 5 and the second frame 6 are located at 180 ° with respect to each other, i.e. in the working state, four protective covers may be provided in total (not shown in the figures). After adopting above structure, the folding mechanism body 9 can prevent invasion such as dust when the running board works, also increases the holistic aesthetic property of running board.
Referring to fig. 4, 5 and 6, a rotation of 0 ° to 180 ° between the first frame 5 and the second frame 6 can be achieved by pulling, for example, pulling one of the first frame 5 and the second frame 6, for example, the second frame 6, i.e., the rear frame, upward.
The invention relates to a running machine, which comprises a running plate, a first roller 2 driven by a driving and transmission mechanism 1 and arranged at the front end of the running plate, a second roller 3 arranged at the rear end of the running plate, such as a rear roller, and a running belt 4 tensioned on the two rollers and covered outside the running plate. The first frame 5 and the second frame 6 each comprise two side frames, i.e. two frames extending in the length direction, which are understood to be stringers. And also comprises frames extending in the width direction, such as frames at two ends, and two transverse frames arranged at the joint of the front frame and the rear frame, which can be understood as transverse beams. The deck 4 is also known as a deck or pedal. The driving and transmission mechanism 1 adopts a motor to drive a belt and a belt pulley. The cylinder is also known as a roller or roll. The running belt 4 is also called a flat belt, and the outer surface of the running belt can be provided with anti-skid patterns. The running board adopts the folding mechanism according to the technical proposal.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A folding mechanism for treadmill board, it includes first treadmill board and second treadmill board that rotates to link together, its characterized in that: the first running plate and the second running plate are connected in a sliding manner around an arc through a connecting structure, wherein the arc limits a pivot of the first running plate rotating relative to the second running plate, and the pivot is positioned between the first running plate and the second running plate after the first running plate is folded relative to the second running plate;
The first running plate and the second running plate are in sliding connection through an arc-shaped track: the first running board is connected with a first arc through hole (10), the second running board is connected with a second arc through hole (12), at least one first pin (15) on a pin fixing seat (14) is in sliding fit in the first arc through hole (10), at least one second pin (16) on the pin fixing seat (14) is in sliding fit in the second arc through hole (12), and the first running board and the second running board rotate in the range of 0-180 degrees.
2. The folding mechanism of a treadmill deck of claim 1, wherein: the first running board comprises a first frame (5) and a first board (7) arranged on the first frame (5), and the second running board comprises a second frame (6) and a second board (8) arranged on the second frame (6); the arc-shaped track is connected to two longitudinal beams of the first frame (5) and two longitudinal beams of the second frame (6) in a sliding manner; one of the frames is pulled to realize the rotation of the first frame (5) and the second frame (6).
3. The folding mechanism for a treadmill deck as recited in claim 2, wherein: a first sliding block (11) is connected with the first running plate, a first arc-shaped through hole (10) is formed in the first sliding block (11), a second sliding block (13) is connected with the second running plate, and a second arc-shaped through hole (12) is formed in the second sliding block (13); the pin fixing seat (14) is located between the first sliding block (11) and the second sliding block (13), one end of the first sliding block (11) is fixed on the first frame (5), and one end of the second sliding block (13) is fixed on the second frame (6).
4. A folding mechanism for a treadmill deck as recited in claim 3, wherein: the end part of the first frame (5) at the joint is provided with a first cambered surface (28) extending from the back bottom to the front top, and the end part of the second frame (6) at the joint is provided with a second cambered surface (37) extending from the front bottom to the back top; the bottom of the pin fixing seat (14) is provided with a third cambered surface (26) which is in sliding fit with the first cambered surface (28), the bottom of the pin fixing seat (14) is provided with a fourth cambered surface (17) which is in sliding fit with the second cambered surface (37), and the third cambered surface (26) is connected with the fourth cambered surface (17) and is in smooth transition; the bottom of the non-fixed end of the first sliding block (11) is provided with a fifth cambered surface (20) which is in sliding fit with the second cambered surface (37), and the non-fixed end of the second sliding block (13) is provided with a sixth cambered surface (29) which is in sliding fit with the first cambered surface (28).
5. A folding mechanism for a treadmill deck as recited in claim 3, wherein: the number of the first pin posts (15) which are in sliding fit in the first arc-shaped through holes (10) is two, and the first pin posts can slide in the first arc-shaped through holes (10) in the whole course; the number of the second pins (16) which are in sliding fit in the second arc-shaped through holes (12) is two, and the second pins can slide in the second arc-shaped through holes (12) in the whole process.
6. A folding mechanism for a treadmill deck as recited in claim 3, wherein: the first pin (15) extends out of the first sliding block (11), and a first nut (21) is screwed on the extending part of the first pin; the second pin (16) extends out of the second sliding block (13), and a second nut (32) is screwed on the extending part of the second pin.
7. The folding mechanism for a treadmill deck as recited in claim 6, wherein: a first metal pressing sheet (23) which is sleeved on the first pin column (15) and enables the first frame (5) and the second frame (6) to rotate to any position is arranged between the first nut (21) and the first sliding block (11); a second metal pressing sheet (31) which is sleeved on the second pin column (16) and enables the first frame (5) and the second frame (6) to rotate to any position is arranged between the second nut (32) and the second sliding block (13).
8. A folding mechanism for a treadmill deck as recited in claim 3, wherein: one end of the first sliding block (11) is fixed with the first frame (5) through bolts: the rear end of the first frame (5) is provided with two first threaded holes (27), the first sliding block (11) is provided with two first round through holes (25) which are in one-to-one correspondence with the first threaded holes (27), and the two first bolts (22) penetrate through the two first round through holes (25) in one-to-one correspondence and are screwed in the two first threaded holes (27); one end of the second sliding block (13) is fixed with a second frame (6) through bolts: the front end of the second frame (6) is provided with two second threaded holes, the second sliding block (13) is provided with two second round through holes (34) which are in one-to-one correspondence with the second threaded holes, and the two second bolts (33) penetrate through the two second round through holes (34) in one-to-one correspondence and are screwed in the second threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441466.XA CN109350910B (en) | 2018-11-29 | 2018-11-29 | Folding mechanism for running board of running machine and running machine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441466.XA CN109350910B (en) | 2018-11-29 | 2018-11-29 | Folding mechanism for running board of running machine and running machine thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109350910A CN109350910A (en) | 2019-02-19 |
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| CN110180129B (en) * | 2019-04-22 | 2024-03-08 | 乐歌人体工学科技股份有限公司 | Running board assembly with folding mechanism and running machine |
| CN110559604A (en) * | 2019-09-05 | 2019-12-13 | 乐歌人体工学科技股份有限公司 | Running machine |
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| CN1531451A (en) * | 2001-02-01 | 2004-09-22 | Ip | Folding treadmill |
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