CN108686340B - Upright post folding mechanism for running machine - Google Patents
Upright post folding mechanism for running machine Download PDFInfo
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- CN108686340B CN108686340B CN201810908517.9A CN201810908517A CN108686340B CN 108686340 B CN108686340 B CN 108686340B CN 201810908517 A CN201810908517 A CN 201810908517A CN 108686340 B CN108686340 B CN 108686340B
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- connecting sleeve
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction 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)
- Soil Working Implements (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides an upright post folding mechanism for a running machine, and belongs to the technical field of machinery. The folding mechanism solves the problem that the service life is influenced due to insufficient structural strength of the existing upright folding mechanism. The upright post folding mechanism for the running machine comprises a first connecting sleeve, a second connecting sleeve, a third connecting sleeve and a bolt assembly, wherein the second connecting sleeve can rotate relative to the first connecting sleeve, a spring is arranged between the third connecting sleeve and the second connecting sleeve, the locking structure comprises a plurality of positioning bayonets arranged on the inner end face of the first connecting sleeve facing the second connecting sleeve and positioning clamping blocks arranged on the end face of the second connecting sleeve facing one end of the first connecting sleeve, the positioning clamping blocks are matched with the positioning bayonets, a first limiting clamping block which protrudes outwards and extends towards the second connecting sleeve is arranged on the outer wall face of the first connecting sleeve, a second limiting clamping block which protrudes outwards and extends towards the first connecting sleeve is arranged on the outer wall face of the second connecting sleeve, and the second limiting clamping block is matched with the first limiting clamping block. The novel plastic composite material is convenient to process, is not easy to deform and has high structural strength.
Description
Technical Field
The invention belongs to the technical field of body-building equipment, and relates to a running machine, in particular to a column folding mechanism for the running machine.
Background
Along with the continuous improvement of the living standard of people, the demands of people for physical exercises are growing increasingly, and the running machine is popular as a common and practical body building equipment, and when the existing running machine is assembled and used, the existing running machine mostly begins to adopt a folding structure so as to be convenient for transportation, use and storage, such as a folding mechanism of the running machine disclosed in Chinese patent [ application publication No. CN104759062A ], and is characterized in that: the running belt device is arranged between at least one upright post of the running machine frame and the base frame, and is combined on the base frame; the unfolding and folding mechanism comprises a positioning plate fixed on the inner side of the lower part of the upright post, a supporting handle, a supporting plate fixed on the base frame and a locking device driven by the supporting handle; the upright post and the base frame are pivoted with the supporting plate through the positioning plate; the locking device is an elastic lock pin arranged on the positioning plate or the supporting plate and a lock hole which is arranged on the supporting plate or the positioning plate and used for the lock pin to be matched, and the supporting handle drives the elastic lock pin to be selectively matched with the lock hole. The unfolding and folding mechanism has the advantages of more parts, complex structure, inconvenient adjustment, lower firmness of the locking mechanism and influence on use safety. The applicant applied for a patent in 2017 [ patent No. ZL2017215671883 ], which can make the operation relatively simple and convenient, but because the limit clamping groove is arranged on the inner wall surface of the connecting sleeve, the wall thickness of the connecting sleeve is relatively thin, the structural strength is relatively weak, and the service life is influenced.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a column folding mechanism for a running machine, which aims to solve the technical problems that the column folding mechanism for the running machine has a simple structure and is convenient to operate.
The aim of the invention can be achieved by the following technical scheme: the upright post folding mechanism for the running machine comprises a frame and an upright post, wherein the upright post folding mechanism comprises a first connecting sleeve, a second connecting sleeve, a third connecting sleeve and a bolt assembly, the first connecting sleeve is fixedly connected to the frame, the upright post is fixedly connected to the second connecting sleeve, a locking structure is arranged between the second connecting sleeve and the first connecting sleeve, the second connecting sleeve can rotate relative to the first connecting sleeve, and a spring is arranged between the third connecting sleeve and the second connecting sleeve.
When the upright post is pushed outwards, the positioning clamping block of the second connecting sleeve can be driven to separate from the positioning clamping opening of the first connecting sleeve, after the upright post rotates in place, the upright post is loosened, the second connecting sleeve resets under the action of the spring, the positioning clamping block is matched with the positioning clamping opening, the spacing between the adjacent positioning clamping openings corresponds to the rotation angle of the upright post, the first limiting clamping block and the second limiting clamping block are respectively arranged on the outer wall surfaces of the first connecting sleeve and the second connecting sleeve, the wall thickness of the first connecting sleeve and the second connecting sleeve can be ensured, the structural strength of the first connecting sleeve and the second connecting sleeve is ensured, and damage is avoided.
In the upright post folding mechanism for the running machine, the limiting clamping block outwards protrudes out of the end face of the first connecting sleeve, which faces the second connecting sleeve, and the limiting clamping block outwards protrudes out of the end face of the second connecting sleeve, which faces the first connecting sleeve. When the second connecting sleeve and the first connecting sleeve are relatively pulled apart and separated, the first limiting clamping block and the second limiting clamping block can also play a limiting role.
In the upright column folding mechanism for the running machine, the number of the positioning clamping blocks is two, the two positioning clamping blocks are symmetrically arranged at the center of the second connecting sleeve, the second limiting clamping blocks are arranged on the outer wall surface of the positioning clamping blocks, the number of the positioning clamping blocks is even, and the positioning clamping blocks are symmetrically arranged at the center of the first connecting sleeve in pairs.
In the upright column folding mechanism for the running machine, a positioning spacer block is arranged between two adjacent positioning bayonets, and one limiting clamping block is positioned on the outer wall surface of the positioning spacer block.
In the upright post folding mechanism for the running machine, the first connecting sleeve, the second connecting sleeve and the third connecting sleeve are sequentially connected and coaxially arranged, and the bolt assembly is sequentially inserted in the axes of the first connecting sleeve, the second connecting sleeve and the third connecting sleeve. In the upright post folding mechanism for the running machine, the end face of the second connecting sleeve, which faces the third connecting sleeve, is provided with the first concave cavity, the end face of the inner end of the third connecting sleeve, which faces the second connecting sleeve, is provided with the first positioning post, which extends towards the second connecting sleeve, the first positioning post is connected in the first concave cavity in a sliding way, and the spring is positioned between the end face of the first positioning post and the bottom face of the first concave cavity.
In the upright post folding mechanism for the running machine, the positioning bayonet comprises a first clamping edge and a second clamping edge, the opening of the positioning bayonet is gradually reduced from outside to inside, the first clamping edge is perpendicular to the end face of the first connecting sleeve, and the second clamping edge is inclined to the end face of the first connecting sleeve. After the second connecting sleeve is clamped with the first connecting sleeve, the second connecting sleeve can only rotate unidirectionally towards one side of the second clamping edge with the inclined arrangement, rotation is avoided, the mechanism stability is good, and the second connecting hole is communicated with the first concave cavity.
In the upright column folding mechanism for the running machine, the positioning bayonet comprises a first clamping edge and a second clamping edge, the opening of the positioning bayonet is gradually reduced from outside to inside, the first clamping edge and the second clamping edge are both obliquely arranged with the end face of the first connecting sleeve, at least one positioning clamping block is provided with a limiting clamping block extending towards the first connecting sleeve, and the inner wall surface of the first connecting sleeve is provided with a limiting clamping groove arranged along the circumferential direction of the first connecting sleeve. The limiting clamping groove positioned on the inner wall surface of the first connecting sleeve is arc-shaped, after the second connecting sleeve is clamped with the first connecting sleeve, the second connecting sleeve can bidirectionally rotate relative to the first connecting sleeve in the radian range of the limiting clamping groove, and the radian range of the limiting clamping groove is the rotation angle range of the upright post relative to the frame, so that the adjustment is convenient.
In the upright post folding mechanism for the running machine, the second connecting sleeve is provided with the second positioning post extending towards the first connecting sleeve, and the first connecting sleeve is provided with the second concave cavity for slidably connecting the second positioning post. When the first connecting sleeve is separated from the second connecting sleeve, the first connecting sleeve is still sleeved on the second positioning column, and no extra calibration is needed during resetting, so that the operation is convenient.
In the upright column folding mechanism for the running machine, the outer end port of the first connecting sleeve is provided with the first connecting hole, and the first connecting hole is provided with the internal thread matched with the bolt component. The first connecting sleeve can rotate relative to a bolt cylinder of the bolt assembly, when the bolt assembly is rotated, the first connecting sleeve is screwed towards one side of the second connecting sleeve, the pretightening force of the spring can be adjusted, when the bolt assembly is screwed to the bottom, after the spring is compressed in place, the second connecting sleeve cannot be extruded towards one side of the third connecting sleeve, and the second connecting sleeve cannot be separated from the first connecting sleeve or rotate relative to the first connecting sleeve, so that effective locking is achieved.
In the upright post folding mechanism for the running machine, a limit washer is arranged at the outer end port of the nut of the bolt assembly. The limiting gasket is an elastic rubber gasket, a threaded hole formed in the elastic rubber gasket is slightly smaller than an internal threaded hole of the nut, when the nut is screwed on the bolt, the screwing stroke of the nut can be limited and the screwing degree of the nut and the bolt is guaranteed through extruding the limiting gasket, meanwhile, the head of the bolt is propped against the third connecting sleeve due to the fact that the spring is propped against the third connecting sleeve and the second connecting sleeve, when the nut is screwed on continuously, the bolt can rotate relative to the first connecting sleeve, the third connecting sleeve is separated from the second connecting sleeve under the action of the spring, the pretightening force of the spring is reduced, and the second connecting sleeve and the first connecting sleeve are more labor-saving in rotation adjustment. The bolt assembly is of a defined length.
Compared with the prior art, the invention has the following advantages:
1. the first connecting sleeve of the upright folding mechanism is fixedly connected to the frame, the upright is fixedly connected to the second connecting sleeve, when the upright is pushed outwards, the second connecting sleeve can be driven to be separated from the first connecting sleeve, when the upright is rotated in place, the upright is loosened, and the second connecting sleeve is reset and locked again under the action of the spring, so that the upright folding mechanism is simple in structure and convenient to operate;
2. the upright post folding mechanism has the advantages that the limiting clamping blocks are arranged on the outer wall surface of the connecting sleeve, so that the upright post folding mechanism is convenient to process, is not easy to deform and has high structural strength;
3. the connecting sleeve of the upright folding mechanism is screwed on the bolt assembly through threads, the pretightening force of the spring can be adjusted through rotating the bolt assembly until the upright folding mechanism is locked, and the upright folding mechanism is firm in structure and simple and convenient to operate.
Drawings
FIG. 1 is a schematic view of the frame and column positions of a treadmill of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic cross-sectional structure of the present invention.
Fig. 4 is an exploded view of the present invention.
Fig. 5 is an exploded view of another angle of the present invention.
In the figure, 1, a rack; 2. a column; 3. the first connecting sleeve is connected; 31. positioning bayonets; 311. clamping a first edge; 312. clamping edges II; 32. the first limiting clamping block; 33. a concave cavity II; 34. a first connecting hole; 35. positioning the spacer blocks; 4. a second connecting sleeve; 41. positioning a clamping block; 42. a concave cavity I; 43. a second connecting hole; 44. a second limiting clamping block; 45. a positioning column II; 5. connecting sleeve III; 51. positioning a first column; 52. a limit column; 53. a notch; 54. a third connecting hole; 6. a spring; 7. a nut; 8. a limit gasket; 9. and (5) a bolt.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1-5, the embodiment is a column folding mechanism for a running machine, the running machine comprises a frame 1 and a column 2, the column folding mechanism comprises a first connecting sleeve 3, a second connecting sleeve 4, a third connecting sleeve 5 and a bolt assembly, the first connecting sleeve 3 is fixedly connected to the frame 1, the column 2 is fixedly connected to the second connecting sleeve 4, the first connecting sleeve 3, the second connecting sleeve 4 and the third connecting sleeve 5 are sequentially connected and coaxially arranged, the bolt assembly is sequentially inserted on the axes of the first connecting sleeve 3, the second connecting sleeve 4 and the third connecting sleeve 5, the second connecting sleeve 4 can rotate relative to the first connecting sleeve 3, a locking structure is arranged between the second connecting sleeve 4 and the first connecting sleeve 3, and a spring 6 is arranged between the third connecting sleeve 5 and the second connecting sleeve 4.
The locking structure comprises a plurality of annular positioning bayonets 31 arranged on the inner end face of the first connecting sleeve 3 facing the second connecting sleeve 4 and positioning clamping blocks 41 arranged on the end face of the second connecting sleeve 4 facing the first connecting sleeve 3, wherein the positioning clamping blocks 41 are matched with the positioning bayonets 31, the positioning bayonets 31 comprise a first clamping edge 311 and a second clamping edge 312, the opening of the positioning bayonets 31 is gradually reduced from outside to inside, the first clamping edge 311 is perpendicular to the end face of the first connecting sleeve 3, and the second clamping edge 312 is inclined to the end face of the first connecting sleeve 3. After the second connecting sleeve 4 is clamped with the first connecting sleeve 3, the second connecting sleeve 4 can only rotate unidirectionally towards one side of the second clamping edge 312 with the inclined arrangement, rotation is avoided, and the mechanism stability is good. The second connecting sleeve 4 is provided with a second positioning column 45 extending towards the first connecting sleeve 3, the first connecting sleeve 3 is provided with a second concave cavity 33 for slidably connecting the second positioning column 45, when the second connecting sleeve 4 is separated from the first connecting sleeve 3, the first connecting sleeve 4 is still sleeved on the second positioning column 45, no additional calibration is needed during resetting, and the operation is convenient. The number of the positioning bayonets 31 in the embodiment is 4, the number of the positioning clamping blocks 41 is 2, the two positioning clamping blocks 41 are symmetrically arranged in the center of the connecting sleeve two 4, the outer wall surfaces of the two positioning clamping blocks 41 are respectively provided with an outwards protruding limiting clamping block two 44, two adjacent positioning clamping blocks 31 are provided with positioning spacing blocks 35, the outer wall surfaces of one group of positioning spacing blocks 35 are respectively provided with an outwards protruding limiting clamping block one 32, the limiting clamping block one 32 outwards protrudes out of the end surface of the connecting sleeve one 3 towards the connecting sleeve two 4, the limiting clamping block two 44 outwards protrudes out of the end surface of the connecting sleeve two 4 towards the connecting sleeve one 3, the embodiment can realize 90-degree rotation and position locking of the stand 2 relative to the stand 1, and the two positioning clamping blocks 41 are oppositely arranged and are positioned at the two ends of the connecting sleeve 4 end surface in the same radial direction, so that the operation is more stable.
The end face of the connecting sleeve II 4 facing the connecting sleeve III 5 is provided with a concave cavity I42, the end face of the connecting sleeve III 5 facing the connecting sleeve II 4 is provided with a positioning column I51 extending towards the connecting sleeve II 4, the positioning column I51 is slidably connected in the concave cavity I42, the end face of the inner end of the positioning column I51 is provided with a limiting column 52 extending towards the connecting sleeve II 4, a spring 6 is arranged between the end face of the positioning column I51 and the bottom face of the concave cavity I42, the spring 6 is sleeved on the limiting column 52, the connecting sleeve II 4 is provided with a connecting hole II 43 for inserting a bolt assembly, the connecting hole II 43 is communicated with the concave cavity I42, the diameter size of the connecting hole II 43 is larger than the outer diameter size of a bolt 9 column of the bolt assembly, and the outer diameter size of the limiting column 52 is larger than the diameter size of the connecting hole II 43.
The outer end face of the connecting sleeve III 5 is provided with a cylindrical notch 53, the connecting sleeve III 5 is provided with a connecting hole III 54 for inserting a bolt assembly, the connecting hole III 54 is communicated with the notch 53, a bolt 9 of the bolt assembly is a hexagon socket head bolt, the peripheral surface of the head of the hexagon socket head bolt is a circumferential surface, when the head of the hexagon socket head bolt is embedded in the notch 53, the inner end face of the head abuts against the bottom face of the notch 53, the outer end face of the head is lower than or equal to the end face of the connecting sleeve III 5, the outer wall face of the head of the hexagon socket head bolt is in smooth contact with the inner wall face of the notch 53, and therefore the connecting sleeve III 5 cannot limit rotation of the hexagon socket head bolt. The outer end port of the first connecting sleeve 3 is provided with a first connecting hole 34, the first connecting hole 34 is communicated with the second concave cavity 33, the first connecting hole 34 is provided with an internal thread matched with the bolt assembly, and the outer end port of the nut 7 of the bolt assembly is provided with a limit gasket 8. The limiting gasket 8 is an elastic rubber gasket, a threaded hole formed in the elastic rubber gasket is slightly smaller than an internal threaded hole of the nut 7, and when the nut 7 is screwed on the bolt 9, the screwing stroke of the nut 7 can be limited and the screwing degree of the nut 7 and the bolt 9 can be guaranteed by extruding the limiting gasket 8.
The working principle of this embodiment is as follows: the first connecting sleeve 3 is fixedly embedded on the frame 1, the upright post 2 is sleeved and fixedly connected to the second connecting sleeve 4, the bolt 9 of the bolt assembly sequentially penetrates through the third connecting sleeve 5, the second connecting sleeve 4 and the first connecting sleeve 3 and then is locked by the nut 7, the head of the bolt 9 is embedded in the notch 53 of the third connecting sleeve 5, and the bolt 9 can rotate freely relative to the third connecting sleeve 5. The first connecting sleeve 3 is screwed on the bolt 9, the inner end face of the head of the bolt 9 abuts against the bottom face of the notch 53 of the third connecting sleeve 5, the distance between the first connecting sleeve 3 and the third connecting sleeve 5 is limited, the second connecting sleeve 4 is pressed on the first connecting sleeve 3 through the spring 6, when the upright post 2 needs to be rotated, the second connecting sleeve 4 can be separated from the first connecting sleeve 3 to be unlocked as long as the upright post 2 is pulled outwards together with the second connecting sleeve 4, the upright post 2 can rotate relative to the frame 1, and the second connecting sleeve 4 and the first connecting sleeve 3 are locked again after the upright post 2 rotates in place. The first connecting sleeve 3 is screwed on the bolt 9, and the distance between the first connecting sleeve 3 and the third connecting sleeve 5 is adjusted by rotating the bolt 9 while the pretightening force of the spring 6 is adjusted. In addition, the nut 7 is screwed on the end part of the bolt 9 only, when the nut 7 is screwed on continuously, the head part of the bolt 9 is abutted against the third connecting sleeve 5 due to the abutment of the spring 6 between the third connecting sleeve 5 and the second connecting sleeve 4, namely, the bolt 9 can rotate relative to the first connecting sleeve 3, the third connecting sleeve 5 is separated from the second connecting sleeve 5 under the action of the spring 6, the pretightening force of the spring 6 is reduced, and the second connecting sleeve 4 and the first connecting sleeve 3 are more labor-saving in rotation adjustment; when the second connecting sleeve 4 and the first connecting sleeve 3 rotate relatively, the first limiting clamping block 32 and the second limiting clamping block 44 limit the rotation under the action of the spring 6, so that the overlarge rotation angle is avoided.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The upright folding mechanism for the running machine comprises a frame (1) and an upright (2), wherein the upright folding mechanism comprises a first connecting sleeve (3), a second connecting sleeve (4), a third connecting sleeve (5) and a bolt component, the first connecting sleeve (3) is fixedly connected to the frame (1), the upright (2) is fixedly connected to the second connecting sleeve (4), a locking structure is arranged between the second connecting sleeve (4) and the first connecting sleeve (3), the second connecting sleeve (4) can rotate relative to the first connecting sleeve (3), a spring (6) is arranged between the third connecting sleeve (5) and the second connecting sleeve (4), the upright folding mechanism is characterized in that the locking structure comprises a plurality of positioning clamping blocks (31) arranged on the inner end face of the first connecting sleeve (3) facing the second connecting sleeve (4) and positioning clamping blocks (41) arranged on the end face of the second connecting sleeve (3), the positioning clamping blocks (41) are matched with the positioning clamping blocks (31), the outer wall face of the first connecting sleeve (3) is provided with a protruding clamping block (32) which protrudes outwards and extends outwards, the first connecting sleeve (4) is provided with a limiting clamping block (44) which extends outwards towards the second connecting sleeve (4), the two limiting clamping blocks (44) and the first limiting clamping block (32) are matched, the first limiting clamping block (32) protrudes outwards towards the end face of the first connecting sleeve (3) towards the end face of the second connecting sleeve (4), the second limiting clamping block (44) protrudes outwards towards the end face of the first connecting sleeve (3), the two positioning clamping blocks (41) are arranged in two, the two positioning clamping blocks (41) are symmetrically arranged at the center of the second connecting sleeve (4), the second limiting clamping block (44) is arranged on the outer wall face of the positioning clamping block (41), the even number of positioning clamping blocks (31) are arranged, the positioning clamping blocks (31) are symmetrically arranged at the center of the first connecting sleeve (3) in pairs, positioning spacing blocks (35) are arranged between two adjacent positioning clamping blocks (31), the first limiting clamping block (32) is positioned on the outer wall face of the positioning spacing blocks (35), the end face of the second connecting sleeve (4) towards the third connecting sleeve (5) is provided with a concave cavity (42), the inner end face of the third connecting sleeve (4) towards the second connecting sleeve (4) is provided with a concave cavity (51) which extends towards the first connecting sleeve (51), the concave cavity (51) is positioned between the first connecting sleeve (51) and the concave cavity (51) of the first connecting sleeve (6), the outer end port of the first connecting sleeve (3) is provided with a first connecting hole, and the first connecting hole is provided with internal threads matched with the bolt assembly.
2. The upright folding mechanism for the running machine according to claim 1, wherein the first connecting sleeve (3), the second connecting sleeve (4) and the third connecting sleeve (5) are sequentially connected and coaxially arranged, and the bolt assembly is sequentially inserted on the axes of the first connecting sleeve (3), the second connecting sleeve (4) and the third connecting sleeve (5).
3. The upright folding mechanism for a running machine according to claim 2, wherein the inner end face of the first positioning column (51) is provided with a limiting column (52) extending towards the second connecting sleeve (4), the spring (6) is sleeved on the limiting column (52), the second connecting sleeve (4) is provided with a second connecting hole (43) for inserting a bolt assembly, and the outer diameter size of the limiting column (52) is larger than the diameter size of the second connecting hole (43).
4. The column folding mechanism for a treadmill according to claim 1, wherein the second connecting sleeve (4) is provided with a second positioning column extending towards the first connecting sleeve (3), and the first connecting sleeve (3) is provided with a second concave cavity (33) for slidably connecting the second positioning column.
5. The upright folding mechanism for a treadmill according to claim 1, characterized in that a limit washer (8) is provided at the outer end port of the nut (7) of the bolt assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810908517.9A CN108686340B (en) | 2018-08-10 | 2018-08-10 | Upright post folding mechanism for running machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810908517.9A CN108686340B (en) | 2018-08-10 | 2018-08-10 | Upright post folding mechanism for running machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108686340A CN108686340A (en) | 2018-10-23 |
| CN108686340B true CN108686340B (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810908517.9A Active CN108686340B (en) | 2018-08-10 | 2018-08-10 | Upright post folding mechanism for running machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108686340B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003184188A (en) * | 2001-12-17 | 2003-07-03 | Sakura Gomme Kk | Joint device for structure |
| CN204082814U (en) * | 2014-06-24 | 2015-01-07 | 深圳市科曼医疗设备有限公司 | The end lock structure of rod member |
| CN205225968U (en) * | 2015-12-16 | 2016-05-11 | 广西玉柴机器股份有限公司 | But quickly separating and connection connect pole |
| CN205516178U (en) * | 2016-01-21 | 2016-08-31 | 山东健之星运动器材有限公司 | Locking mechanism is folded to treadmill stand |
| CN107866032A (en) * | 2017-11-21 | 2018-04-03 | 浙江正星健身器有限公司 | A kind of column fold mechanism of treadmill |
| CN209108526U (en) * | 2018-08-10 | 2019-07-16 | 浙江正星健身器有限公司 | A kind of column fold mechanism for treadmill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040116255A1 (en) * | 2002-12-17 | 2004-06-17 | Shinnyi Technology Co., Ltd. | Folding collapsible treadmill |
-
2018
- 2018-08-10 CN CN201810908517.9A patent/CN108686340B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003184188A (en) * | 2001-12-17 | 2003-07-03 | Sakura Gomme Kk | Joint device for structure |
| CN204082814U (en) * | 2014-06-24 | 2015-01-07 | 深圳市科曼医疗设备有限公司 | The end lock structure of rod member |
| CN205225968U (en) * | 2015-12-16 | 2016-05-11 | 广西玉柴机器股份有限公司 | But quickly separating and connection connect pole |
| CN205516178U (en) * | 2016-01-21 | 2016-08-31 | 山东健之星运动器材有限公司 | Locking mechanism is folded to treadmill stand |
| CN107866032A (en) * | 2017-11-21 | 2018-04-03 | 浙江正星健身器有限公司 | A kind of column fold mechanism of treadmill |
| CN209108526U (en) * | 2018-08-10 | 2019-07-16 | 浙江正星健身器有限公司 | A kind of column fold mechanism for treadmill |
Also Published As
| Publication number | Publication date |
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| CN108686340A (en) | 2018-10-23 |
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