CN210228985U - Foldable and expandable supporting device and running machine comprising same - Google Patents
Foldable and expandable supporting device and running machine comprising same Download PDFInfo
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- CN210228985U CN210228985U CN201920725806.5U CN201920725806U CN210228985U CN 210228985 U CN210228985 U CN 210228985U CN 201920725806 U CN201920725806 U CN 201920725806U CN 210228985 U CN210228985 U CN 210228985U
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Abstract
The utility model discloses a foldable and unfoldable supporting device and a running machine comprising the same, the device comprises a fixing piece, a first connecting rod and a second connecting rod, the middle upper part of the third connecting rod is detachably connected with the middle lower part of the supporting piece. The device has the advantages of ingenious design, compact structure, convenient use, reliable support, pure mechanical structure and lower cost.
Description
Technical Field
The utility model belongs to the technical field of the treadmill, concretely relates to collapsible expansion strutting arrangement and contain its treadmill.
Background
Currently, in order to save space, some treadmills can be folded and stored when not in use, and then stand up against a wall after being folded. This standing by wall has the following disadvantages: (1) the wall surface is damaged, so that pits are easily formed on the wall surface, and the appearance is affected; (2) the running machine is easy to fall down, which causes damage to the running machine itself and may hurt people, animals and nearby objects.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, an object of the present invention is to provide a foldable supporting device and a treadmill comprising the same, wherein the treadmill using the foldable supporting device can stand upright stably without damaging the wall surface and toppling over easily.
In order to solve the technical problem, the utility model discloses a technical scheme is: a foldable and unfoldable supporting device for supporting a vertical running machine comprises a fixing piece, a first connecting rod, a second connecting rod, a third connecting rod, an elastic mechanism and a supporting piece, one end part of the first connecting rod is rotatably connected with one side of the middle upper part of the fixing piece, the other end part of the first connecting rod is rotatably connected with one side of the upper end part of the supporting piece, one end of the second connecting rod is rotatably connected with the other side of the middle upper part of the fixing piece, the other end of the second connecting rod is rotatably connected with the other side of the upper end part of the supporting piece, the lower end part of the third connecting rod is rotationally connected with the lower end part of the fixing part, the upper end part of the third connecting rod is rotationally connected with the middle part of the supporting part, one end of the elastic mechanism is rotatably connected with the upper end of the fixing piece, the other end of the elastic mechanism is rotatably connected with the middle of the third connecting rod, and the middle upper part of the third connecting rod is detachably connected with the middle lower part of the supporting piece.
Further, a clamping hole is formed in the middle lower portion of the supporting piece, an elastic sheet is fixed to the middle upper portion of the third connecting rod, the elastic sheet is clamped into the clamping hole when the supporting piece is in a folded state, a clamping hook portion is arranged in the middle of the elastic sheet, the clamping hook portion hooks the supporting piece when the supporting piece is in the folded state, a touch pressing portion is arranged at the tail end of the elastic sheet, and the touch pressing portion is exposed out of the clamping hole when the supporting piece is in the folded state.
Further, the other end of the second connecting rod is provided with a positioning convex part, the upper end of the supporting piece is provided with a positioning stopper, and the positioning stopper limits the positioning convex part when the supporting piece is in the unfolding state.
Further, the lower end of the supporting piece is provided with a roller, and the rotating direction of the roller is the same as the folding and unfolding direction of the supporting piece.
Furthermore, the elastic mechanism is an air spring, the end of a push rod of the air spring is rotatably connected with the upper end of the fixing piece, and the end of a cylinder barrel of the air spring is rotatably connected with the middle of the third connecting rod.
Further, the first connecting rod is parallel to the second connecting rod, and the elastic mechanism is located between the first connecting rod and the second connecting rod.
Further, the first connecting rod is in a concave curved shape.
Further, the second link is curved to be convex upward.
Further, the third connecting rod is bent, and a bending angle of the third connecting rod faces the fixing piece.
The utility model also provides a treadmill, including frame and two foretell collapsible support device that expand, two collapsible support device's that expand mounting symmetry are fixed on the frame both sides of treadmill.
Compared with the prior art, the utility model discloses following beneficial effect has: the foldable unfolding supporting device adopts the components such as the fixing part, the first connecting rod, the second connecting rod, the third connecting rod, the elastic mechanism, the supporting part and the like to skillfully form a multi-connecting-rod mechanism, the supporting part can be automatically unfolded through the elastic mechanism, and the supporting part can be folded through the separable connection of the middle upper part of the third connecting rod and the middle lower part of the supporting part, so that the foldable unfolding supporting device has the advantages of ingenious integral design, compact structure, convenient use, reliable support, pure mechanical structure, no need of electric, hydraulic and pneumatic operation and lower cost; the treadmill adopting the foldable and expandable supporting device can be stably erected, and the wall surface is not damaged and the treadmill is not easy to topple.
Drawings
Fig. 1 is a front side view of a first embodiment of the present invention when deployed.
Fig. 2 is a rear side view of the first embodiment of the present invention when unfolded.
Fig. 3 is a front side view of the first embodiment of the present invention when folded.
Fig. 4 is a diagram of a structure of a spring plate according to a first embodiment of the present invention.
Fig. 5 is an exploded view of a structure according to a first embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
The labels in the figure are: 1. a fixing member; 2. a first link; 3. a second link; 4. a third link; 5. elastic mechanism/gas spring; 6. a support member; 7. a clamping hole; 8. a spring plate; 81. a fixed section; 82. bending the section; 83. a recessed section; 84. a folding section; 9. a hook portion; 10. a pressing part; 11. a positioning projection; 12. a positioning stopper; 13. a roller; 14. a copper sleeve; 15. riveting pins; 100. a collapsible and expandable support device; 200. a treadmill; 300. a wedge-shaped cushion block.
Detailed Description
In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The first embodiment is as follows: referring to fig. 1 to 5 and fig. 6, a foldable and expandable supporting device 100 for supporting a treadmill 200 after standing upright comprises a fixing member 1, a first connecting rod 2, a second connecting rod 3, a third connecting rod 4, an elastic mechanism 5 and a supporting member 6, wherein the fixing member 1 is fixed on a frame of the treadmill 200, the supporting member 6 is used for supporting the fixing member 1 obliquely, one end of the first connecting rod 2 is rotatably connected with one side of the middle upper portion of the fixing member 1, the other end of the first connecting rod 2 is rotatably connected with one side of the upper end of the supporting member 6, one end of the second connecting rod 3 is rotatably connected with the other side of the middle upper portion of the fixing member 1, the other end of the second connecting rod 3 is rotatably connected with the other side of the upper end of the supporting member 6, the lower end of the third connecting rod 4 is rotatably connected with the lower end of the fixing member 1, and the upper end of the third connecting rod 4 is rotatably connected, one end part of the elastic mechanism 5 is rotatably connected with the upper end part of the fixing part 1, the other end part of the elastic mechanism 5 is rotatably connected with the middle part of the third connecting rod 4, and the middle upper part of the third connecting rod 4 is detachably connected with the middle lower part of the supporting part 6. The detachable connection is preferably, but not limited to, hooking or snapping, and may also be, of course, buckling, hooking, or the like.
In the first embodiment, a clamping hole 7 is formed in the middle lower portion of the supporting member 6, an elastic sheet 8 is fixed on the middle upper portion of the third connecting rod 4, the elastic sheet 8 is clamped into the clamping hole 7 when the supporting member 6 is in a folded state, the head end of the elastic sheet 8 can be fixed on the third connecting rod 4 through a screw and a nut, a clamping hook portion 9 is arranged in the middle of the elastic sheet 8, the clamping hook portion 9 hooks the supporting member 6 when the supporting member is in the folded state, a pressing portion 10 is arranged at the tail end of the elastic sheet 8, the pressing portion 10 is exposed out of the clamping hole 7 when the supporting member 6 is in the folded state, the hooking state between the elastic sheet 8 and the supporting member 6 can be released by pressing the pressing portion 10 of the elastic sheet 8 with a foot, after the elastic sheet 8 leaves the clamping hole 7, due to the natural extension principle of the elastic mechanism 5, the elastic mechanism 5 pushes the, the upper end of the support 6 passes through the first link 2 and the second link 3. The elastic sheet 8 sequentially comprises a fixing section 81, a bending section 82, a sunken section 83 and a folding section 84 from the head end to the tail end, the fixing section 81 is provided with a plurality of fixing holes, the fixing section is fixed on the third connecting rod 4 through screws and nuts, the fixing section 81 is perpendicular to the bending section 82, the sunken section 83 forms the hook portion 9, and the folding section 84 forms the pressing portion 10.
In the first embodiment, the other end of the second link 3 is provided with a positioning protrusion 11, the upper end of the supporting member 6 is provided with a positioning stopper 12 (specifically, a baffle or a stop), and the positioning stopper 12 limits the positioning protrusion 11 when the supporting member 6 is in the unfolded state, so as to control the inclination angle of the supporting member 6 relative to the fixing member 1, for example, 30 ° to 60 °, specifically, 35 °, 40 °, 45 °, 50 °, 55 °, and the like.
In the first embodiment, the roller 13 is installed at the lower end of the support member 6, the rotation direction of the roller 13 is the same as the folding and unfolding direction of the support member 6, and the roller 13 is in rolling contact with the ground during supporting, so that the support member 6 is smoother in the unfolding process and the folding process, and the lower end of the support member 6 is prevented from directly and rigidly rubbing against the ground.
In the first embodiment, the elastic mechanism 5 is a gas spring 5, an end of a push rod of the gas spring 5 is rotatably connected with an upper end of the fixing member 1, and an end of a cylinder of the gas spring 5 is rotatably connected with a middle portion of the third connecting rod 4. Of course, the rod and cylinder positions of the gas spring 5 may be reversed. Of course, the elastic means 5 may also be other types of springs or elastic columns, etc.
In the first embodiment, the first link 2 is parallel to the second link 3, and the elastic mechanism 5 is located between the first link 2 and the second link 3. The first link 2 is preferably, but not limited to, concavely curved, the second link 3 is preferably, but not limited to, convexly curved, the third link 4 is preferably, but not limited to, convexly curved, and the angle of bend of the third link 4 is preferably, but not limited to, towards the fixing member 1, so that the overall stress is more reasonable and the structure is more compact.
In the first embodiment, hinge holes are formed in both ends of the first connecting rod 2 and the second connecting rod 3, hinge holes are formed in both ends and the middle of the third connecting rod 4, hinge holes are formed in the upper end portion of the fixing member 1, hinge holes are formed in both sides of the middle upper portion of the fixing member 1, hinge holes are formed in the lower end of the fixing member 1, hinge holes are formed in both sides of the upper end portion of the supporting member 6, hinge holes are formed in both sides of the middle portion of the supporting member 6, and hinge holes are formed in the lower end of the supporting member 6; first connecting rod 2, second connecting rod 3 and mounting 1 pass corresponding hinge hole with copper sheathing 14, riveting pin 15 respectively and articulate, third connecting rod 4 passes corresponding hinge hole with riveting pin 15 respectively with mounting 1, support piece 6 and articulates, air spring 5 and mounting 1, support piece 6 pass corresponding hinge hole with copper sheathing 14, riveting pin 15 respectively and articulate, gyro wheel 13 and support piece 6 pass corresponding hinge hole with copper sheathing 14, riveting pin 15 and articulate. Of course, all the above-mentioned rotary connections are not limited to the combination structure of the hinge hole, the copper sleeve 14 and the rivet pin 15, and may be a pivot, a hinge shaft, a screw and nut assembly, etc.
The working principle of the first embodiment is as follows: when needing to be folded, press support piece 6 toward 1 direction of mounting, first connecting rod 2 and second connecting rod 3 use the hinge hole of upper portion to upwards rotate as the center in mounting 1, third connecting rod 4 uses the hinge hole of the tip under mounting 1 to upwards rotate as the center simultaneously, also compressing air spring 5 when third connecting rod 4 rotates, when air spring 5 was compressed to the position of settlement, shell fragment 8 card was gone into in calorie hole 7 and is caught support piece 6, remove external force this moment, whole strutting arrangement is in folding state of accomodating. When needing to expand, push down shell fragment 8, make shell fragment 8 break away from support piece 6, then remove external force, under the natural extension effect of air spring 5, third connecting rod 4 uses the hinge hole of tip under mounting 1 to rotate downwards as the center, and shell fragment 8 leaves from calorie hole 7, and third connecting rod 4 drives support piece 6 simultaneously and opens, and whole strutting arrangement is in the state of expanding the support this moment.
Example two: referring to fig. 6 and fig. 1 to 5, a treadmill 200 includes a frame and two foldable and unfoldable supporting devices 100, wherein fixing members 1 of the two foldable and unfoldable supporting devices 100 are symmetrically fixed at two sides of the frame of the treadmill 200. The two foldable and expandable support devices 100 are folded and stored when the treadmill 200 is horizontally placed, and are expanded to perform a supporting function when the treadmill 200 is vertically placed.
When the treadmill 200 is to be placed upright, the two hands lift the platform of the treadmill 200 away from the end of the foldable and expandable support device 100 to an upright position. The elastic sheet 8 is pressed down by feet, the foldable and unfoldable supporting device 100 is unfolded automatically, and the machine table can be placed vertically. When the machine platform is placed upright and still, the machine platform inclines to the side where the foldable and unfoldable supporting device 100 is located and inclines at a certain angle with the ground, the inclination angle is preferably, but not limited to, 84-88 degrees, and specifically can be 85 degrees, 86 degrees, 87 degrees and the like, and the supporting function of the foldable and unfoldable supporting device 100 is fully exerted. In order to make the machine stand more stably, the wedge-shaped cushion block 300 is inserted below the bottom of the inclined machine to keep the machine inclined, so that the machine is prevented from toppling to the other side. When the treadmill 200 is to be horizontally placed, the platform of the treadmill 200 is held by both hands, the support member 6 is pressed towards the direction of the fixing member 1 by feet until the elastic sheet 8 is clamped into the clamping hole 7 and hooks the support member 6, the foldable unfolding support device 100 is folded and stored, and the platform can be horizontally placed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art should not depart from the technical solution of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. A collapsible and expandable support device for supporting a treadmill upright, comprising: including mounting, first connecting rod, second connecting rod, third connecting rod, elastic mechanism and support piece, a tip of first connecting rod rotates with well upper portion one side of mounting to be connected, another tip of first connecting rod rotates with support piece's upper end one side to be connected, a tip of second connecting rod rotates with the well upper portion opposite side of mounting to be connected, another tip of second connecting rod rotates with support piece's upper end opposite side to be connected, the lower tip of third connecting rod rotates with the lower tip of mounting to be connected, the upper end of third connecting rod rotates with support piece's middle part to be connected, elastic mechanism's a tip rotates with the upper end of mounting to be connected, another tip of elastic mechanism rotates with the middle part of third connecting rod to be connected, the well upper portion of third connecting rod and support piece's well lower part separable connection.
2. The foldably unfolded support device of claim 1, wherein: the middle-lower part of support piece has been seted up the card hole, the well upper portion of third connecting rod is fixed with the shell fragment, the shell fragment is gone into the card downthehole when support piece is in fold condition, the middle part of shell fragment is provided with hook portion, hook portion catches on support piece when support piece is in fold condition, the end of shell fragment is provided with touches the splenium, it exposes outside the card hole to touch the splenium when support piece is in fold condition.
3. The foldably unfolded support device of claim 1, wherein: the other end of the second connecting rod is provided with a positioning convex part, the upper end of the supporting piece is provided with a positioning stopper, and the positioning stopper limits the positioning convex part when the supporting piece is in an unfolding state.
4. The foldably unfolded support device of claim 1, wherein: the lower end of the support piece is provided with a roller, and the rotating direction of the roller is the same as the folding and unfolding direction of the support piece.
5. The foldably unfolded support device of claim 1, wherein: the elastic mechanism is an air spring, the end of a push rod of the air spring is rotatably connected with the upper end of the fixing piece, and the end of a cylinder barrel of the air spring is rotatably connected with the middle of the third connecting rod.
6. The foldably unfolded support device of claim 1, wherein: the first connecting rod is parallel to the second connecting rod, and the elastic mechanism is positioned between the first connecting rod and the second connecting rod.
7. The foldably unfolded support device of claim 1, wherein: the first connecting rod is in a concave curved shape.
8. The foldably unfolded support device of claim 1, wherein: the second connecting rod is bent to be convex upwards.
9. The foldably unfolded support device of claim 1, wherein: the third connecting rod is bent, and the bending angle of the third connecting rod faces the fixing piece.
10. A treadmill, characterized by: comprising a frame and two collapsible and expandable support devices according to any one of claims 1 to 9, the attachment members of the two collapsible and expandable support devices being symmetrically attached to the frame of the treadmill on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920725806.5U CN210228985U (en) | 2019-05-20 | 2019-05-20 | Foldable and expandable supporting device and running machine comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920725806.5U CN210228985U (en) | 2019-05-20 | 2019-05-20 | Foldable and expandable supporting device and running machine comprising same |
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| CN210228985U true CN210228985U (en) | 2020-04-03 |
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| CN201920725806.5U Active CN210228985U (en) | 2019-05-20 | 2019-05-20 | Foldable and expandable supporting device and running machine comprising same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180130A (en) * | 2019-05-20 | 2019-08-30 | 厦门任和运动器材有限公司 | A kind of Foldable exhibition spending support arrangement, treadmill and its upright method |
| DE202022105209U1 (en) | 2022-09-15 | 2022-10-14 | Günter Krauter | Portable training device |
| KR200496504Y1 (en) * | 2020-10-20 | 2023-02-10 | 이봉대 | Treadmill with gradient control apparatus |
-
2019
- 2019-05-20 CN CN201920725806.5U patent/CN210228985U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180130A (en) * | 2019-05-20 | 2019-08-30 | 厦门任和运动器材有限公司 | A kind of Foldable exhibition spending support arrangement, treadmill and its upright method |
| CN110180130B (en) * | 2019-05-20 | 2023-12-19 | 厦门任和运动器材有限公司 | Foldable unfolding support device, running machine and standing method thereof |
| KR200496504Y1 (en) * | 2020-10-20 | 2023-02-10 | 이봉대 | Treadmill with gradient control apparatus |
| DE202022105209U1 (en) | 2022-09-15 | 2022-10-14 | Günter Krauter | Portable training device |
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