CN214879293U - Novel double-stay-cord wire-rewinding device structure - Google Patents
Novel double-stay-cord wire-rewinding device structure Download PDFInfo
- Publication number
- CN214879293U CN214879293U CN202120597923.5U CN202120597923U CN214879293U CN 214879293 U CN214879293 U CN 214879293U CN 202120597923 U CN202120597923 U CN 202120597923U CN 214879293 U CN214879293 U CN 214879293U
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- wire
- belt wheel
- belt pulley
- rewinding device
- shaft
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- 238000009941 weaving Methods 0.000 claims abstract description 6
- 238000005266 casting Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 4
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/15—Arrangements for force transmissions
- A63B21/157—Ratchet-wheel links; Overrunning clutches; One-way clutches
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/15—Arrangements for force transmissions
- A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
- A63B21/153—Using flexible elements for reciprocating movements, e.g. ropes or chains wound-up and unwound during exercise, e.g. from a reel
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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
- A63B22/0076—Rowing machines for conditioning the cardio-vascular system
- A63B2022/0079—Rowing machines for conditioning the cardio-vascular system with a pulling cable
Abstract
The utility model provides a novel two stay cord spooler structures, its characterized in that: the belt pulley is supported and arranged on the weaving belt wheel shaft by a belt wheel bearing; two sides of the belt pulley bearing are respectively provided with a one-way bearing; an inner hole of a second shaft sleeve fixed on the belt pulley is sleeved and fixed on an outer ring of the one-way bearing; two sides of the belt pulley are respectively provided with a wire collector, the wire collectors extend out of the first shaft sleeve towards the direction of the belt pulley, and the first shaft sleeve is inserted into and fixed on the inner ring of the one-way bearing; the take-up device is supported and arranged on the ribbon wheel shaft by a take-up device bearing; each wire rewinding device is wound with a tension rope; two woven belt wheel positioning sleeves are fixedly arranged on the woven belt wheel shaft and are respectively positioned in the two wire winders; each wire-rewinding device is internally provided with a volute spiral spring, and two ends of the volute spiral spring are respectively connected to the woven belt wheel positioning sleeve and the wire-rewinding device. The utility model discloses make two stay cord spoolers structure more stable, life is longer, the body-building apparatus of the not isostructure of more adaptation.
Description
Technical Field
The utility model belongs to the technical field of a body-building apparatus and specifically relates to a structure of two stay cord spring spoolers.
Background
The take-up reel needs to be used in some fitness equipment, for example, the take-up reel can be used in the traction type rowing machine, the take-up reel is usually installed in the traction type rowing machine in the prior art, a pull rod is connected to the stay cord of the take-up reel, when the pull rod is pulled, the stay cord is pulled out, the take-up reel rotates and enables a coil spring in the take-up reel to tighten up when the stay cord is pulled out, the rotary reel is driven to rotate while the take-up reel rotates, the reel is linked with the damping wheel, the damping wheel rotates, the damping effect is generated when the damping wheel pulls the pull rod of a user in reverse mode, when the user loosens the pull rod, the coil spring resets, the reverse rotation of the take-up reel enables the stay cord to be taken in, the user slides in the process of pulling and returning and in cooperation with a bottom seat, and the action of imitating rowing is formed. The wire rewinding device in the prior art is usually in a single wire rewinding structure, namely only one pull rope is provided, so that the limitation on use is caused.
Therefore, the double-pulling-rope wire rewinding device of CN209828077U appears, the double-pulling-rope wire rewinding device uses two wire rewinding devices which are respectively arranged on a weaving wheel shaft through bearings, so that the wire rewinding device can rotate around the weaving wheel shaft in a two-way mode and reset through a volute spiral spring, a pulling rope is wound on the wire rewinding device, shaft sleeves of the two wire rewinding devices are respectively fixed on outer rings of respectively corresponding one-way bearings, and shaft sleeves of the middle belt pulley are fixed on inner rings of the one-way bearings on two sides, so that the two wire rewinding devices can drive the one-way rotation of the middle belt pulley through rotation, and a belt of the belt pulley drives a motion load.
The double-pull-rope wire rewinding device with the structure has the following defects:
the shaft sleeve of the belt pulley is sleeved on the woven belt pulley shaft but is not contacted with the woven belt pulley shaft, so the belt pulley can also rotate, however, because the belt pulley is of a main stress structure, when the motion load applied on the belt pulley is large or unstable, the belt pulley and the shaft sleeve thereof are likely to be displaced due to stress, so that the inner wall of the shaft sleeve of the belt pulley contacts the woven belt pulley shaft in motion, friction is generated, additional motion resistance is caused, and the shaft sleeve and the woven belt pulley shaft are likely to be collided and scraped to be damaged, so the service life of the equipment is influenced.
And because the structures of the wire winders on the two sides are required to be the same, the belt pulley is required to be arranged between the two wire winders, namely the distance from the belt pulley to the two wire winders on the two sides is the same, thus the belt pulley is limited to be incapable of being used in the occasions of body-building equipment with different structures.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel two stay cord spoolers structure, the shortcoming of prior art is solved to its purpose, makes two stay cord spoolers structure more stable, life longer, the body-building apparatus of more adaptation not isostructure.
The utility model provides a technical scheme that its technical problem adopted is:
novel two stay cord spooler structures, its characterized in that:
the belt pulley is supported and arranged on the weaving belt wheel shaft by a belt wheel bearing;
two sides of the belt pulley bearing are respectively provided with a one-way bearing;
an inner hole of a second shaft sleeve fixed on the belt pulley is sleeved and fixed on an outer ring of the one-way bearing;
two sides of the belt pulley are respectively provided with a wire collector, the wire collectors extend out of the first shaft sleeve towards the direction of the belt pulley, and the first shaft sleeve is inserted into and fixed on the inner ring of the one-way bearing;
the take-up device is supported and arranged on the ribbon wheel shaft by a take-up device bearing;
each wire rewinding device is wound with a tension rope;
two woven belt wheel positioning sleeves are fixedly arranged on the woven belt wheel shaft and are respectively positioned in the two wire winders;
each wire-rewinding device is internally provided with a volute spiral spring, and two ends of the volute spiral spring are respectively connected to the woven belt wheel positioning sleeve and the wire-rewinding device.
The wire-rewinding device is provided with a ring groove, a tension rope is wound in the ring groove, and one end of the tension rope is fixedly arranged on the wire-rewinding device.
The tensile cord is closer to the pulley than the wrap spring.
The belt pulley is far away from the wire-rewinding device on one side and close to the wire-rewinding device on the other side.
A driving belt wheel positioning sleeve is connected with the driving belt wheel shaft into a whole in a welding or casting or clamping mode; the other one is sleeved on the wheel shaft of the woven belt wheel, the anti-rotation surface of the locating sleeve of the woven belt wheel and the anti-rotation surface of the wheel shaft of the woven belt wheel are sleeved on the wheel shaft of the woven belt wheel by a limiting snap spring and clamped with the locating sleeve of the woven belt wheel.
The utility model discloses an useful part lies in:
the utility model discloses because the fixed cover of axle sleeve of belt pulley is established in the outer lane of the one-way bearing of both sides, and the axle sleeve of two spoolers of belt pulley both sides is fixed respectively in the inner circle of the one-way bearing that corresponds, like this, there is the space belt pulley bearing of installing between the axle sleeve of belt pulley and the driving pulley axle, the belt pulley passes through belt pulley bearing support to be installed on the driving pulley shaft, this structure is more stable, intensity is higher, the inner wall that can not take place the axle sleeve of belt pulley contacts the phenomenon of driving pulley shaft in the motion, thereby the equipment life-span has been increased. And this kind of structure can adjust the pulley axle for the position of belt pulley, realizes the distance inequality of the spooler of belt pulley and both sides, can be applicable to the body-building apparatus of more structures like this, for example the body-building apparatus structure of the distance difference of the meshbelt of belt and both sides.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the combined cross-section structure of the present invention;
fig. 3 is an assembled rear side view of the present invention;
FIG. 4 is a combination view of a strap wheel shaft and two strap wheel positioning sleeves of the present invention;
FIG. 5 is an external view of a strap wheel with an anti-rotation surface;
FIG. 6 is a cross-sectional view of the inventive pulley shaft and two pulley positioning sleeves;
fig. 7 is an external view of the rowing machine of the present invention mounted on a rowing machine support.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "bottom", and the like as used herein are used in the description to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, 2, and 3:
the middle part of the weaving belt wheel shaft 2 is sleeved with an inner ring fixed with a belt wheel bearing 9.
The belt pulley 8 is fixedly provided with a second shaft sleeve 81, and an inner hole sleeve of the second shaft sleeve 81 is fixedly arranged on an outer ring of the belt pulley bearing 9, so that the belt pulley 8 is supported and arranged on the woven belt pulley shaft 2 by the belt pulley bearing 9.
The pulley bearing 9 supports the pulley 8, thereby improving the stability and strength of the structure and fundamentally solving the displacement problem of the pulley 8 under heavy load.
Two sides of the pulley bearing 9 are respectively provided with a one-way bearing 7, and the one-way bearing 7 is sleeved outside the woven pulley shaft 2.
The inner hole of the second shaft sleeve 81 is sleeved and fixed on the outer ring of the one-way bearing 7.
Two sides of the belt pulley 8 are respectively provided with a wire-rewinding device 50, and the wire-rewinding device 50 comprises a wire-rewinding device box 5, a wire-rewinding device cover 1, a first shaft sleeve 51, a woven belt wheel positioning sleeve 21 (or a woven belt wheel positioning sleeve 10) and a volute spiral spring 3.
The wire rewinding cover 1 covers the outer side of the wire rewinding device box 5 to form a wire rewinding device space.
The wire-rewinding device box 5 is fixedly provided with a first shaft sleeve 51 extending towards the direction of the belt pulley 8, the first shaft sleeve 51 is inserted into and fixed on the inner ring of the one-way bearing 7, and the inner wall of the first shaft sleeve 51 is sleeved on the belt pulley shaft 2 but is not contacted with the belt pulley shaft 2.
The inner ring of the spooler bearing 4 is fixedly sleeved on the braid wheel shaft 2, and the spooler box 5 is fixed on the outer ring of the spooler bearing 4, so that the spooler box 5 is mounted on the braid wheel shaft 2 by the spooler bearing 4, and thus, the spooler 50 is supported on the braid wheel shaft 2 by the spooler bearing 4 and can rotate bidirectionally around the braid wheel shaft 2.
And because of the support of the take-up device bearing 4, although the inner wall of the first shaft sleeve 51 is sleeved on the pulley shaft 2 but is not contacted with the pulley shaft 2, when the first shaft sleeve 51 is stressed in rotation, the first shaft sleeve is unlikely to collide with the pulley shaft 2 to scrape, so that the safety is realized, and the service life of equipment is prevented from being reduced.
The wire-rewinding device box 5 is provided with a ring groove 52, a tension rope 6 (the tension rope 6 is a woven tape) is wound in the ring groove 52, and one end of the tension rope 6 is fixedly arranged on the wire-rewinding device box 5.
As shown in fig. 4, 5, and 6:
the woven belt wheel shaft 2 is fixedly provided with a woven belt wheel positioning sleeve 21 and a woven belt wheel positioning sleeve 10. The driving belt wheel locating sleeve 21 is connected with the driving belt wheel shaft 2 into a whole in a welding, casting, clamping and other modes. The woven belt wheel positioning sleeve 10 is provided with an anti-rotation surface 101, an anti-rotation surface 22 is arranged on the woven belt wheel shaft 2, the woven belt wheel positioning sleeve 10 is sleeved on the woven belt wheel shaft 2, the anti-rotation surface 101 is matched with the anti-rotation surface 22, and then the woven belt wheel positioning sleeve 10 is sleeved on the woven belt wheel shaft 2 through the limiting clamp spring 11 and clamped.
As shown in fig. 2:
the woven belt wheel positioning sleeve 21 and the woven belt wheel positioning sleeve 10 are respectively positioned in a wire rewinding device space formed by the wire rewinding device covers 1 and the wire rewinding device boxes 5 of the two wire rewinding devices 50, each wire rewinding device 50 is provided with a spiral spring 3, and the spiral springs 3 are also positioned in the wire rewinding device space formed by the wire rewinding device covers 1 and the wire rewinding device boxes 5. In a wire-rewinding device 50, one end of a scroll spring 3 is connected to a woven belt wheel positioning sleeve 21, and the other end is connected to the inner wall of a wire-rewinding device box 5; in the other wire rewinding device 50, one end of the spiral spring 3 is connected to the driving pulley positioning sleeve 10, and the other end is connected to the inner wall of the wire rewinding device box 5.
The annular groove 52 is located closer to the pulley 8 than to the retractor space formed by the retractor cover 1 and the retractor box 5. I.e. the tensile cord 6 is closer to the pulley 8 than the wrap spring 3.
In use, as shown in fig. 7:
the web axle 2 is secured to equipment 12, which equipment 12 may be a rowing machine or the like.
Then pulling the tension rope 6, the tension rope 6 is pulled out to drive the wire-rewinding device box 5 to rotate, and the volute spiral spring 3 deforms at the moment.
Meanwhile, the rotation of the first shaft sleeve 51 on the wire-rewinding device box 5 drives the one-way bearing 7, the one-way bearing 7 drives the second shaft sleeve 81 to rotate, the second shaft sleeve 81 drives the belt pulley 8 to rotate, and a belt of the belt pulley 8 resists loads such as blades of a rowing machine.
When a person loosens the tension rope 6, the volute spiral spring 3 resets, the wire-rewinding device box 5 rotates reversely, the tension rope 6 is rewound into the annular groove 51, and the belt pulley 8 does not rotate because the one-way bearing 7 rotates in a one-way mode. Thereby completing an action.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. Novel two stay cord spooler structures, its characterized in that: the belt pulley is supported and arranged on the weaving belt wheel shaft by a belt wheel bearing; two sides of the belt pulley bearing are respectively provided with a one-way bearing; an inner hole of a second shaft sleeve fixed on the belt pulley is sleeved and fixed on an outer ring of the one-way bearing; two sides of the belt pulley are respectively provided with a wire collector, the wire collectors extend out of the first shaft sleeve towards the direction of the belt pulley, and the first shaft sleeve is inserted into and fixed on the inner ring of the one-way bearing; the take-up device is supported and arranged on the ribbon wheel shaft by a take-up device bearing; each wire rewinding device is wound with a tension rope; two woven belt wheel positioning sleeves are fixedly arranged on the woven belt wheel shaft and are respectively positioned in the two wire winders; each wire-rewinding device is internally provided with a volute spiral spring, and two ends of the volute spiral spring are respectively connected to the woven belt wheel positioning sleeve and the wire-rewinding device.
2. The novel dual cord take-up structure of claim 1, wherein: the wire-rewinding device is provided with a ring groove, a tension rope is wound in the ring groove, and one end of the tension rope is fixedly arranged on the wire-rewinding device.
3. The novel dual cord take-up structure of claim 2, wherein: the tensile cord is closer to the pulley than the wrap spring.
4. The novel dual cord take-up structure of claim 1, wherein: the belt pulley is far away from the wire-rewinding device on one side and close to the wire-rewinding device on the other side.
5. The novel dual cord take-up structure of claim 1, wherein: a driving belt wheel positioning sleeve is connected with the driving belt wheel shaft into a whole in a welding or casting or clamping mode; the other one is sleeved on the wheel shaft of the woven belt wheel, the anti-rotation surface of the locating sleeve of the woven belt wheel and the anti-rotation surface of the wheel shaft of the woven belt wheel are sleeved on the wheel shaft of the woven belt wheel by a limiting snap spring and clamped with the locating sleeve of the woven belt wheel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120597923.5U CN214879293U (en) | 2021-03-24 | 2021-03-24 | Novel double-stay-cord wire-rewinding device structure |
| US17/698,203 US20220306425A1 (en) | 2021-03-24 | 2022-03-18 | Double drawcord winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120597923.5U CN214879293U (en) | 2021-03-24 | 2021-03-24 | Novel double-stay-cord wire-rewinding device structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214879293U true CN214879293U (en) | 2021-11-26 |
Family
ID=79038013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120597923.5U Active CN214879293U (en) | 2021-03-24 | 2021-03-24 | Novel double-stay-cord wire-rewinding device structure |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20220306425A1 (en) |
| CN (1) | CN214879293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114532936A (en) * | 2022-03-18 | 2022-05-27 | 南京信息工程大学 | Portable double-cylinder hair sticking device free of tearing |
-
2021
- 2021-03-24 CN CN202120597923.5U patent/CN214879293U/en active Active
-
2022
- 2022-03-18 US US17/698,203 patent/US20220306425A1/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114532936A (en) * | 2022-03-18 | 2022-05-27 | 南京信息工程大学 | Portable double-cylinder hair sticking device free of tearing |
Also Published As
| Publication number | Publication date |
|---|---|
| US20220306425A1 (en) | 2022-09-29 |
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