CN210644979U - Multi-folding running rack of running machine - Google Patents
Multi-folding running rack of running machine Download PDFInfo
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- CN210644979U CN210644979U CN201920754190.4U CN201920754190U CN210644979U CN 210644979 U CN210644979 U CN 210644979U CN 201920754190 U CN201920754190 U CN 201920754190U CN 210644979 U CN210644979 U CN 210644979U
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Abstract
The utility model belongs to the technical field of the sports equipment, especially, relate to a many formulas treadmill race rack. The utility model discloses, including at least three race board installation frame that sets gradually, rotate through rotating coupling mechanism and connect between two adjacent race board installation frames, rotatory coupling mechanism that rotates can make two adjacent surfaces of running board installation frame laminate each other. The utility model provides a can realize folding treadmill structure of multistage formula has solved among the prior art treadmill folding and has accomodate the obscure problem of back festival space effect, the spatial position that the treadmill occupied after accomodating that reduces greatly, and, the utility model discloses accomodate the back, the different board installation frames of running of length can be piled up according to the mode from long to short and accomodate, and the board installation frame that runs that the cross-sectional area is the biggest promptly is located the below, and the board installation frame that runs that the cross-sectional area is the minimum is located the top, has improved the folding stability of accomodating back treadmill and placing.
Description
Technical Field
The utility model belongs to the technical field of the sports equipment, especially, relate to a many formulas treadmill race rack.
Background
In recent years, people have improved living standards, and people pay more attention to the quality of life and the health condition, and move wind and qi more and more. The indoor sports equipment enables a sporter to do indoor sports without being influenced by weather, so the indoor sports equipment is widely popular, and therefore, the indoor sports equipment can be arranged in many household environments to do body-building sports at any time, and the running machine is popular indoor sports equipment. Traditional treadmill is bulky occupies space, and for solving this problem, nearest treadmill just has the design that can fold up, can fold up the race platform of treadmill to reduce the volume of treadmill, save space, but the foldable treadmill among the prior art's collapsible degree is less, leads to folding the back of accomodating, and the effect of practicing thrift storage space is not obvious enough.
For example, the chinese utility model patent discloses a foldable treadmill [ application number: 201721614277.9], the utility model comprises: two upright poles; a base, is I-shaped, has: the front cross beam and the rear cross beam are arranged in a front-back mode; the front end and the rear end of the longitudinal beam are respectively and fixedly connected with the front cross beam and the rear cross beam; the bottom ends of the two upright rods are fixedly connected with the two ends of the front cross beam of the base; the base and the two vertical rods form a frame; a running platform, the front end of which is pivoted with the frame and can swing up and down, when the running platform is horizontally arranged, the base is shielded by the running platform; and at least one extending support member having two ends, capable of shortening or extending the distance between the two ends, the two ends of the extending support member being connected to the running platform bottom surface and the base respectively.
The utility model discloses a foldable treadmill that provides can only accomplish pole setting and control panel part folding and accomodate promptly, so still have above-mentioned collapsible degree less, folding back of accomodating, the not obvious enough problem of effect of practicing thrift storage space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem and provides a multi-fold running rack of a running machine.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a jack horse is run to multifolding formula treadmill, includes the board installation frame that runs that at least three set gradually, runs through rotating coupling mechanism and rotates between the board installation frame to be connected two adjacent, and rotatory coupling mechanism that rotates can make two adjacent surfaces of running board installation frame laminate each other.
In the multi-folding running board rack, the running board installation frames are arranged in sequence, the running board rack further comprises a first hinge installation block and a second hinge installation block which are arranged oppositely, the first hinge installation block and the second hinge installation block are fixedly connected to the two adjacent running board installation frames respectively, and the first hinge installation block and the second hinge installation block are rotatably connected through the hinge assemblies.
In foretell multifolding formula treadmill race rack, it is the annular to run board installation frame end to end, and first hinge mount piece and second hinge mount piece fixed connection are respectively in the side of running board installation frame, and the length diverse of three running board installation frame rotates and runs the board installation frame, can make the upper surface of the longest running board installation frame of length laminate with the upper surface of the second longest running board installation frame of length mutually, and the lower surface that makes the second longest running board installation frame of length laminates with the lower surface that the shortest running board installation frame of length mutually.
In the above-mentioned multi-fold running rack of treadmill, the hinge assembly includes a first rotating assembly piece and a second rotating assembly piece which are rotatably connected through a pin, one end of the first rotating assembly piece is rotatably connected with the second hinge mounting block, the other end is slidably connected with the first hinge mounting block, one end of the second rotating assembly piece is rotatably connected with the first hinge mounting block, the other end is slidably connected with the second hinge mounting block, and the relative rotation of the first hinge mounting block and the second hinge mounting block can make the first rotating assembly piece and the first hinge mounting block relatively slide, so that the second rotating assembly piece and the second hinge mounting block relatively slide.
In the multi-folding running rack of the running machine, the first rotating assembly piece comprises a plurality of first rotating pieces which are mutually attached, and every two first rotating pieces are mutually overlapped along the axial lead direction of the pin shaft; the second rotating assembly piece comprises a plurality of second rotating pieces which are mutually attached, and every two second rotating pieces are mutually overlapped along the axial lead direction of the pin shaft.
In the multi-folding running rack of the running machine, a first rotating connecting hole penetrates through the side surface of one end, close to the second hinge mounting block, of the first rotating sheet, a first sliding connecting hole penetrates through the side surface of one end, close to the first hinge mounting block, of the first rotating sheet, and a first hinge hole penetrating through the side surface of the first rotating sheet is formed between the first rotating connecting hole and the first sliding connecting hole; a second rotating connecting hole is formed in the side face, close to the first hinge mounting block, of one end of the second rotating sheet in a penetrating mode, a second sliding connecting hole is formed in the side face, close to the second hinge mounting block, of one end of the second rotating sheet in a penetrating mode, a second hinge hole is formed between the second rotating connecting hole and the second sliding connecting hole in a penetrating mode, axial leads of the first hinge hole and the second hinge hole are overlapped, and the pin shaft penetrates through the first hinge hole and the second hinge hole.
In the multi-folding running rack of the running machine, a first rotating shaft with the end part extending into the second hinge mounting block penetrates through the first rotating connecting hole, and a first sliding shaft in sliding connection with the first hinge mounting block penetrates through the first sliding connecting hole; and a second rotating shaft with the end part extending into the first hinge mounting block penetrates through the second rotating connecting hole, and a second sliding shaft in sliding connection with the second hinge mounting block penetrates through the second sliding connecting hole.
In the above-mentioned multi-fold running rack for a treadmill, an angle α between a line connecting a center point of the second hinge hole and a center point of the second sliding connection hole and a line connecting the center point of the second hinge hole and a center point of the second rotating connection hole is-degree, and a distance between the second hinge hole and the second sliding connection hole is.times a distance between the second hinge hole and the second rotating connection hole.
In the multi-folding running rack of the running machine, the first hinge mounting block and the second hinge mounting block comprise the rotating plate and the mounting seat which are integrally formed, a sliding groove which is sunken towards the inside of the mounting seat is formed in the side surface of the mounting seat, one end of the hinge assembly is slidably connected in the sliding groove, and the length of the sliding groove is greater than the width of the rotating plate.
In the multi-folding running rack of the running machine, the side surface of the sliding groove is also provided with a limiting groove sunken towards the inside of the mounting seat, the limiting groove is communicated with the sliding groove, and the hinge assembly extends into the limiting groove and is in sliding connection with the limiting groove.
Compared with the prior art, the utility model has the advantages of:
1. the utility model provides a can realize folding treadmill structure of multistage formula has solved among the prior art treadmill and has folded the problem of saving space effect unobvious after accomodating, the spatial position that takes up treadmill after accomodating that reduces greatly.
2. The utility model discloses accomodate the back, the different board installation frames of running of length can be piled up according to the mode from long to short and accomodate, and the biggest board installation frame of running of cross-sectional area is located the below promptly, and the board installation frame of running of cross-sectional area minimum is located the top, has improved the folding stability of accomodating back treadmill and placing.
3. The utility model discloses a cooperation between first rotation group piece and the second rotation group piece is firm reliable, and the direction limiting displacement of spacing recess and spout can guarantee to accomodate or expand the in-process at every turn, and the slip direction of rotation group piece is unanimous to guarantee to run the neat degree after the board installation frame is accomodate.
Drawings
Fig. 1 is a schematic structural view of the present invention in an expanded state;
fig. 2 is a schematic structural view of the present invention in a folded state;
FIG. 3 is a schematic structural view of the rotating link mechanism in a deployed state;
FIG. 4 is a schematic structural view of a hinge assembly;
FIG. 5 is a schematic structural view of a part of the structure of the present invention;
FIG. 6 is a schematic view of the folding state of the pivotal connection;
FIG. 7 is a schematic structural view of a second hinge mounting block;
in the figure: the hinge comprises a first hinge mounting block 1, a second hinge mounting block 2, a hinge assembly 3, a pin shaft 4, a rotating plate 5, a mounting seat 6, a sliding groove 7, a limiting groove 8, a running plate mounting frame 9, a rotating connecting mechanism 10, a first rotating assembly piece 31, a second rotating assembly piece 32, a first rotating piece 311, a first rotating connecting hole 312, a first sliding connecting hole 313, a first hinge hole 314, a first rotating shaft 315, a first sliding shaft 316, a second rotating piece 321, a second rotating connecting hole 322, a second sliding connecting hole 323, a second hinge hole 324, a second rotating shaft 325 and a second sliding shaft 326.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, a multi-folding running board rack of a running machine comprises at least three running board mounting frames 9 arranged in sequence, wherein two adjacent running board mounting frames 9 are rotatably connected through a rotating connecting mechanism 10, and the rotating connecting mechanism 10 can enable the surfaces of two adjacent running board mounting frames 9 to be mutually attached.
The utility model discloses, during the use, two adjacent running board installation frame 9 accessible rotation coupling mechanism 10 are in order to take place relative rotation, and the surface of running board installation frame 9 is laminated each other until two adjacent, repeats above-mentioned operation, and the multistage formula of accomplishing the treadmill is folding, so the utility model provides a can realize the folding treadmill structure of multistage formula, solved among the prior art treadmill folding the problem of saving the space effect after accomodating, the spatial position that occupies of the back treadmill of accomodating that reduces greatly.
Specifically speaking, including three race board installation frame 9 that set gradually, rotate coupling mechanism 10 including relative first hinge mount piece 1 and the second hinge mount piece 2 that sets up, first hinge mount piece 1 and second hinge mount piece 2 respectively fixed connection run on board installation frame 9 adjacent two, rotate through hinge subassembly 3 between first hinge mount piece 1 and the second hinge mount piece 2 and connect, rotate coupling mechanism 10 and also can adopt the structure of similar hinge among the prior art in order to realize the rotation between two adjacent race board installation frames 9.
Preferably, the hinge assembly 3 is provided in parallel with a plurality of hinge members, so that the firmness and reliability of the connection between two adjacent running board mounting frames 9 can be improved.
As shown in fig. 2, running board installation frame 9 is in a ring shape by connecting end to end, first hinge installation block 1 and second hinge installation block 2 are respectively and fixedly connected to the side of running board installation frame 9, the lengths of the three running board installation frames 9 are different, running board installation frame 9 is rotated, the upper surface of running board installation frame 9 with the longest length can be attached to the upper surface of running board installation frame 9 with the second longest length, the lower surface of running board installation frame 9 with the second longest length is attached to the lower surface of running board installation frame 9 with the shortest length, thus, after being stored, running board installation frames 9 with different lengths can be stacked and stored in a mode from long to short, namely, running board installation frame 9 with the largest cross-sectional area is located at the lowest part, running board installation frame 9 with the smallest cross-sectional area is located at the highest part, and the stability of the folded and stored running machine is improved.
Referring to fig. 1 and 3, including a first hinge mounting block 1 and a second hinge mounting block 2 rotatably coupled by a hinge assembly 3, in a deployed state, the first hinge mounting block 1 and the second hinge mounting block 2 are attached to each other to ensure the stability of the connection of the two parts of the treadmill, the hinge assembly 3 includes a first rotating assembly 31 and a second rotating assembly 32 rotatably coupled by a pin 4, one end of the first rotating assembly piece 31 is rotatably connected with the second hinge mounting block 2, the other end is slidably connected with the first hinge mounting block 1, one end of the second rotating assembly piece 32 is rotatably connected with the first hinge mounting block 1, the other end of the second rotating assembly piece is slidably connected with the second hinge mounting block 2, and the first rotating assembly piece 31 and the first hinge mounting block 1 can slide relatively by relatively rotating the first hinge mounting block 1 and the second hinge mounting block 2, so that the second rotating assembly piece 32 and the second hinge mounting block 2 can slide relatively.
When the running machine running platform is used, external force is applied to enable the first hinge installation block 1 and the second hinge installation block 2 to rotate relatively, at the moment, the first rotation assembly piece 31 and the second rotation assembly piece 32 also rotate with the axis of the pin shaft 4 as a rotating shaft, meanwhile, the first rotation assembly piece 31 and the first hinge installation block 1 slide relatively, the second rotation assembly piece 32 and the second hinge installation block 2 slide relatively, the first hinge installation block 1 and the second hinge installation block 2 are separated along the radial direction of the pin shaft 4, the first hinge installation block 1 and the second hinge installation block 2 which are provided with certain thickness and attached to each other can be smoothly overturned, the operation is repeated, and the three-section type folding of the running platform of the running machine is completed.
Preferably, the first rotating assembly 31 and the second rotating assembly 32 are provided in plurality and spaced apart from each other, so as to improve the firmness of the hinge assembly 3.
As shown in fig. 4 and fig. 5, the first rotating assembly 31 includes a plurality of first rotating pieces 311 attached to each other, and every two first rotating pieces 311 are overlapped with each other along the axial line direction of the pin 4; the second rotating assembly pieces 32 comprise a plurality of second rotating pieces 321 which are mutually attached, every two second rotating pieces 321 are mutually overlapped along the direction of the axis of the pin shaft 4, and the rotating assembly pieces are formed by overlapping the plurality of rotating pieces, so that the strength of the rotating assembly pieces is ensured, and the processing and assembling difficulty is reduced.
Specifically, a first rotating connection hole 312 penetrates through the side surface of the first rotating sheet 311 close to the second hinge mounting block 2, a first sliding connection hole 313 penetrates through the side surface of the first rotating sheet close to the first hinge mounting block 1, and a first hinge hole 314 penetrating through the side surface of the first rotating sheet 311 is arranged between the first rotating connection hole 312 and the first sliding connection hole 313; a second rotating connecting hole 322 penetrates through the side surface of one end, close to the first hinge mounting block 1, of the second rotating sheet 321, a second sliding connecting hole 323 penetrates through the side surface of one end, close to the second hinge mounting block 2, of the second rotating sheet, a second hinge hole 324 penetrating through the side surface of the second rotating sheet 321 is arranged between the second rotating connecting hole 322 and the second sliding connecting hole 323, the axial lines of the first hinge hole 314 and the second hinge hole 324 are overlapped, the pin shaft 4 penetrates through the first hinge hole 314 and the second hinge hole 324, a first rotating shaft 315 with an end part extending into the second hinge mounting block 2 penetrates through the first rotating connecting hole 312, and a first sliding shaft 316 slidably connected with the first hinge mounting block 1 penetrates through the first sliding connecting hole 313; a second rotating shaft 325 whose end extends into the first hinge mounting block 1 penetrates through the second rotating connecting hole 322, and a second sliding shaft 326 slidably connected with the second hinge mounting block 2 penetrates through the second sliding connecting hole 323.
One end of the first rotating piece 311 is rotatably connected with the second hinge mounting block 2 through the first rotating shaft 315, the other end of the first rotating piece guarantees the consistency of the sliding process between different first rotating pieces 311 through the first sliding shaft 316, one end of the second rotating piece 321 is rotatably connected with the first hinge mounting block 1 through the second rotating shaft 325, and the other end of the second rotating piece 321 guarantees the consistency of the sliding process between different second rotating pieces 321 through the second sliding shaft 326.
Preferably, a distance between the second hinge hole 324 and the second sliding coupling hole 323 is greater than a distance between the second hinge hole 324 and the second rotating coupling hole 322.
Further preferably, an included angle α between a connecting line between a center point of the second hinge hole 324 and a center point of the second sliding connection hole 323 and a connecting line between a center point of the second hinge hole 324 and a center point of the second rotating connection hole 322 is 90-150 degrees, and a distance between the second hinge hole 324 and the second sliding connection hole 323 is 2.5 times of a distance between the second hinge hole 324 and the second rotating connection hole 322, so that an included angle between power and resistance and a length of a force arm can be ensured to be in an appropriate range in the folding process, and a relative rotating speed in the folding process is ensured to be in an appropriate range.
As shown in fig. 4, the axes of the pin 4, the first rotating shaft 315, the first sliding shaft 316, the second rotating shaft 325 and the second sliding shaft 326 are parallel to each other, so that the rotating directions between the first hinge mounting block 1 and the second hinge mounting block 2, between the first rotating assembly 31 and the second rotating assembly 32, between the first rotating assembly 31 and the second hinge mounting block 2, and between the second rotating assembly 32 and the first hinge mounting block 1 can be kept consistent, and the smooth and stable folding process can be ensured.
As shown in fig. 4, 6 and 7, each of the first hinge mounting block 1 and the second hinge mounting block 2 includes a rotating plate 5 and a mounting seat 6, the side of the mounting seat 6 has a sliding groove 7 recessed toward the inside of the mounting seat 6, one end of the hinge assembly 3 is slidably connected in the sliding groove 7, that is, the end of the first rotating assembly piece 31 is slidably connected in the sliding groove 7 of the second hinge mounting block 2, the end of the second rotating assembly piece 32 is slidably connected in the sliding groove 7 of the first hinge mounting block 1, and the length of the sliding groove 7 is greater than the width of the rotating plate 5, so that no matter where the hinge assembly 3 is located on the rotating plate 5, smooth turning between the first hinge mounting block 1 and the second hinge mounting block 2 can be ensured.
Preferably, spout 7 side still has spacing recess 8 to the inside sunken of mount pad 6, spacing recess 8 is linked together with spout 7, and hinge subassembly 3 extends to in spacing recess 8 and with spacing recess 8 sliding connection, just the surface laminates with spacing recess 8 inner wall in the spacing recess 8 of first hinge installation piece 1 of first sliding shaft 316 sliding connection promptly, and second sliding shaft 326 sliding connection laminates with spacing recess 8 inner wall in the spacing recess 8 on second hinge installation piece 2, can prevent the disturbance along 4 radial directions of round pin axle in folding process like this, guarantees folding process's stability.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the first hinge mounting block 1, the second hinge mounting block 2, the hinge assembly 3, the pin shaft 4, the rotating plate 5, the mounting seat 6, the sliding groove 7, the limiting groove 8, the running plate mounting frame 9, the rotating coupling mechanism 10, the first rotating member 31, the second rotating member 32, the first rotating member 311, the first rotating coupling hole 312, the first sliding coupling hole 313, the first hinge hole 314, the first rotating shaft 315, the first sliding shaft 316, the second rotating member 321, the second rotating coupling hole 322, the second sliding coupling hole 323, the second hinge hole 324, the second rotating shaft 325, and the second sliding shaft 326 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a platform is run to multifolding formula treadmill, includes that at least three runs board installation frame (9) that set gradually, its characterized in that: two adjacent running board installation frames (9) are rotationally connected through a rotating connecting mechanism (10), and the surfaces of the two adjacent running board installation frames (9) can be mutually attached through the rotating connecting mechanism (10).
2. The multi-fold treadmill deck of claim 1, wherein: run board installation frame (9) and be equipped with threely altogether, rotate coupling mechanism (10) including relative first hinge mount piece (1) and the second hinge mount piece (2) that set up, first hinge mount piece (1) and second hinge mount piece (2) fixed connection respectively run on board installation frame (9) adjacent two, rotate through hinge subassembly (3) between first hinge mount piece (1) and the second hinge mount piece (2) and connect.
3. The multi-fold treadmill deck of claim 2, wherein: run board installation frame (9) end to end and be the annular, fixed connection is respectively in the side of running board installation frame (9) for first hinge mount piece (1) and second hinge mount piece (2), the length diverse of three running board installation frame (9), first hinge mount piece (1) and second hinge mount piece (2), the upper surface that can make the longest of length run board installation frame (9) laminates with the upper surface of the very long running board installation frame of length (9) mutually, the lower surface that makes the very long running board installation frame of length (9) laminates with the lower surface of the very short running board installation frame of length (9) mutually.
4. The multi-fold treadmill deck of claim 2, wherein: hinge subassembly (3) are including rotating first rotation group piece (31) and second rotation group piece (32) of connecting through round pin axle (4) rotation, first rotation group piece (31) one end rotates with second hinge installation piece (2) to be connected, and the other end and first hinge installation piece (1) sliding connection, second rotation group piece (32) one end rotates with first hinge installation piece (1) to be connected, and the other end and second hinge installation piece (2) sliding connection rotate first hinge installation piece (1) and second hinge installation piece (2) relatively and can make first rotation group piece (31) and first hinge installation piece (1) take place relative slip, make second rotation group piece (32) and second hinge installation piece (2) take place relative slip.
5. The multi-fold treadmill deck of claim 4, wherein: the first rotating assembly piece (31) comprises a plurality of first rotating pieces (311) which are mutually attached, and every two first rotating pieces (311) are mutually overlapped along the axial lead direction of the pin shaft (4); the second rotating pieces (32) comprise a plurality of second rotating pieces (321) which are mutually attached, and every two second rotating pieces (321) are mutually overlapped along the axial lead direction of the pin shaft (4).
6. The multi-fold treadmill deck of claim 5, wherein: a first rotating connecting hole (312) penetrates through the side face of one end, close to the second hinge mounting block (2), of the first rotating sheet (311), a first sliding connecting hole (313) penetrates through the side face of one end, close to the first hinge mounting block (1), and a first hinge hole (314) penetrating through the side face of the first rotating sheet (311) is formed between the first rotating connecting hole (312) and the first sliding connecting hole (313); the side face, close to the first hinge mounting block (1), of one end of the second rotating sheet (321) penetrates through a second rotating connecting hole (322), the side face, close to the second hinge mounting block (2), of one end of the second rotating sheet penetrates through a second sliding connecting hole (323), a second hinge hole (324) penetrating through the side face of the second rotating sheet (321) is arranged between the second rotating connecting hole (322) and the second sliding connecting hole (323), the axial leads of the first hinge hole (314) and the second hinge hole (324) are overlapped with each other, and the pin shaft (4) penetrates through the first hinge hole (314) and the second hinge hole (324).
7. The multi-fold treadmill deck of claim 6, wherein: a first rotating shaft (315) with the end part extending into the second hinge mounting block (2) penetrates through the first rotating connecting hole (312), and a first sliding shaft (316) connected with the first hinge mounting block (1) in a sliding manner penetrates through the first sliding connecting hole (313); a second rotating shaft (325) with the end part extending into the first hinge mounting block (1) penetrates through the second rotating connecting hole (322), and a second sliding shaft (326) in sliding connection with the second hinge mounting block (2) penetrates through the second sliding connecting hole (323).
8. The running platform frame of the multi-fold running machine according to claim 6, wherein the angle α between the line connecting the center point of the second hinge hole (324) and the center point of the second sliding connection hole (323) and the line connecting the center point of the second hinge hole (324) and the center point of the second rotating connection hole (322) is 90-150 degrees, and the distance between the second hinge hole (324) and the second sliding connection hole (323) is 2.5 times the distance between the second hinge hole (324) and the second rotating connection hole (322).
9. The multi-fold treadmill deck of claim 2, wherein: first hinge mount piece (1) and second hinge mount piece (2) all include integrated into one piece's rotor plate (5) and mount pad (6), mount pad (6) side has spout (7) sunken to mount pad (6) inside, and the one end sliding connection of hinge subassembly (3) is in spout (7), the length of spout (7) is greater than the width of rotor plate (5).
10. The multi-fold treadmill deck of claim 9, wherein: the side surface of the sliding groove (7) is also provided with a limiting groove (8) which is sunken towards the inside of the mounting seat (6), the limiting groove (8) is communicated with the sliding groove (7), and the hinge assembly (3) extends into the limiting groove (8) and is in sliding connection with the limiting groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920754190.4U CN210644979U (en) | 2019-05-23 | 2019-05-23 | Multi-folding running rack of running machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920754190.4U CN210644979U (en) | 2019-05-23 | 2019-05-23 | Multi-folding running rack of running machine |
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| CN210644979U true CN210644979U (en) | 2020-06-02 |
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| CN201920754190.4U Active CN210644979U (en) | 2019-05-23 | 2019-05-23 | Multi-folding running rack of running machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438841A (en) * | 2022-01-29 | 2022-05-06 | 中国矿业大学 | Prefabricated slab structure laid on mine pavement and construction method thereof |
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2019
- 2019-05-23 CN CN201920754190.4U patent/CN210644979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438841A (en) * | 2022-01-29 | 2022-05-06 | 中国矿业大学 | Prefabricated slab structure laid on mine pavement and construction method thereof |
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