CN107694027A - A kind of length adjuster for exercising device crank - Google Patents
A kind of length adjuster for exercising device crank Download PDFInfo
- Publication number
- CN107694027A CN107694027A CN201711106106.XA CN201711106106A CN107694027A CN 107694027 A CN107694027 A CN 107694027A CN 201711106106 A CN201711106106 A CN 201711106106A CN 107694027 A CN107694027 A CN 107694027A
- Authority
- CN
- China
- Prior art keywords
- crank
- annular
- exercising device
- eccentric disc
- strip gab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 210000003414 extremity Anatomy 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Classifications
-
- 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
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
-
- 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
- A63B22/0002—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms
- A63B22/0007—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms by alternatively exercising arms or legs, e.g. with a single set of support elements driven either by the upper or the lower limbs
-
- 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
- A63B22/0002—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms
- A63B22/001—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms by simultaneously exercising arms and legs, e.g. diagonally in anti-phase
-
- 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
- A63B22/0046—Details of the support elements or their connection to the exercising apparatus, e.g. adjustment of size or orientation
-
- 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
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
- A63B2022/0611—Particular details or arrangement of cranks
-
- 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
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
- A63B2022/0611—Particular details or arrangement of cranks
- A63B2022/0623—Cranks of adjustable length
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Transmission Devices (AREA)
- Rehabilitation Tools (AREA)
Abstract
The present invention relates to a kind of length adjuster for exercising device crank, including the crank being connected with exercising device rotating shaft, one end of the crank is fixed with rotating shaft, the other end of the crank is provided with eccentric disc, the eccentric shaft for fixed limb support member is provided with the eccentric disc, the eccentric disc rotary type is arranged on crank, the retaining mechanism for locking eccentric disc is provided with the crank, eccentric disc is provided with the crank of exercising device, by rotating eccentric disc i.e. adjustable spacing between limb support part and rotating shaft, and locked using retaining mechanism, so as to realize the locking to eccentric disc, the set mechanism structure is simple, mode for adjusting distance between limbs support member and rotating shaft is simple, fast.
Description
Technical field
The present invention relates to training equipment technical field, and in particular to a kind of length adjuster for exercising device crank.
Background technology
At present, the exercising device of exercising device, either body-building that in the market occurs, or therapeutic medical rehabilitation training
Apparatus, it is used to provide the design that the crank trained is generally regular length, and so-called crank is for being arranged on exercising device
Handle or foot-operated, because above-mentioned crank designs for regular length, therefore its length can not typically change, when for different user
During use habit, above-mentioned user's custom includes the different heights of user, the movement locus for being adapted to different user etc., it is necessary to by whole
Body changes the mode of component, and so as to cause to cause exercising device, not only convenient degree is not high, and assembles more difficult, cost increasing
Add.
The content of the invention
The purpose of the present invention is：A kind of length adjuster for exercising device crank is provided, can quickly, easily be adjusted
The component length of exercising device, reduce the cost of exercising device.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of length adjuster for exercising device crank, including the crank being connected with exercising device rotating shaft, the song
One end of handle is fixed with rotating shaft, and the other end of the crank is provided with eccentric disc, is provided with the eccentric disc for fixing limb
The eccentric shaft of body support member, the eccentric disc rotary type are arranged on crank, are provided with the crank for locking eccentric disc
Retaining mechanism.
Following technical characteristic also be present in the present invention：
Annular through-hole is provided with the end face of the crank, is provided with the crank where the edge of the annular through-hole
One strip gab, the retaining mechanism is arranged on the first strip gab and the spacing for adjusting the first strip gab changes.
First strip gab is parallel with the length direction of crank, and one end of the first strip gab is provided with Article 2
Shape opening, the length direction of second strip gab are vertical with the length direction of crank.
The outer wall that regulation driving lever is stretched out where the annular through-hole of crank is provided with the eccentric disc.
The retaining mechanism includes being arranged on stayed mast on crank, and one end of the stayed mast is be hinged to be provided with cam and pull
Hand and jointed shaft is vertical with stayed mast, the pulling force club body is through being provided with first strip gab one end of crank and shaft
Arc spacer, the cam end wheel rim of the cam spanner are resisted against in arc spacer, and the other end of the stayed mast passes through first
Crank side outer wall where strip gab, and the crank opposite side outer wall stretched out where the strip gab of crank first, the drawing
The length direction of power bar is vertical with the length direction of crank and external part is provided with adjusting nut.
Crank both sides where first strip gab offer countersunk head screwed hole and screwed hole, the locking machine respectively
Structure includes the screw being arranged in countersunk head screwed hole and screwed hole.
The wheel rim of the eccentric disc is provided with annular groove, and the outer wall where the annular through-hole of the crank is provided with locking screw
Nail, the lock-screw is threadedly coupled with the outer wall composition where the annular through-hole of crank and end and two sides of annular groove are supported
Lean on.
Outer wall where the annular through-hole of the crank is provided with annular opening, the crank outer wall where the annular opening
Provided with scale, the regulation driving lever is through annular opening and corresponding with graduation position.
Compared with the prior art, beneficial effects of the present invention are embodied in：Eccentric disc is provided with the crank of exercising device, is led to
Cross and rotate eccentric disc i.e. adjustable spacing between limb support part and rotating shaft, and locked using retaining mechanism, so as to realize
Locking to eccentric disc, the set mechanism structure is simple, and the mode for adjusting distance between limbs support member and rotating shaft is simple, fast
It is prompt.
Brief description of the drawings
Fig. 1 is the structural representation of exercising device；
Fig. 2 is the first example structure schematic diagram of the length adjuster for exercising device crank；
Fig. 3 is the structural representation of second of embodiment of crank in the length adjuster for exercising device crank.
Embodiment
With reference to Fig. 1 to Fig. 3, the present invention is further described：
A kind of length adjuster for exercising device crank, including the crank 20 being connected with exercising device rotating shaft 10, institute
The one end and rotating shaft 10 for stating crank 20 are fixed, and the other end of the crank 20 is provided with eccentric disc 30, is set on the eccentric disc 30
The eccentric shaft 31 for fixed limb support member 40 is equipped with, the rotary type of eccentric disc 30 is arranged on crank 20, the crank
The retaining mechanism for locking eccentric disc 30 is provided with 20；
With reference to shown in Fig. 1 to Fig. 3, eccentric disc 30 is provided with the crank 20 of exercising device, by rotating eccentric disc 30 i.e.
Spacing between adjustable limb support part 40 and rotating shaft 10, and locked using retaining mechanism, so as to realize to eccentric disc 30
Locking, the set mechanism structure is simple, and the mode for adjusting distance between joystick 40 and rotating shaft 10 is simple, quick；
Limb support part 40 at this can be the foot-operated of joystick for training upper limbs or training lower limb,
By a whole set of above-mentioned length adjusting mechanism, the convenient regulation realized to distance between limb support part and rotating shaft.
As the preferred scheme of the present invention, with reference to shown in Fig. 2 and Fig. 3, it is logical that annular is provided with the end face of the crank 20
Hole 21, the first strip gab 211 is provided with the crank 20 where the edge of the annular through-hole 21, and the retaining mechanism is set
Spacing change on the first strip gab 211 and for adjusting the first strip gab 211；
Annular through-hole 21 is opened up on above-mentioned crank 20, can receive the appearance to eccentric disc 30 using annular through-hole 21
Receive, and the first strip gab 211 is provided with the crank 20 where the edge of annular through-hole 21, can by retaining mechanism
It is convenient to lock the first strip gab 211, and then cause the spacing of the first strip gab 211 to produce change, to realize to bias
The locking of disk 30, the locking mechanism is simple, and locking operation is convenient, efficient.
Further preferred scheme, first strip gab 211 is parallel with the length direction of crank 20, and the first bar shaped
One end of opening 211 is provided with the second strip gab 212, the length direction of second strip gab 212 and the length of crank 20
It is vertical to spend direction；
The rigidity of crank 20 itself is high, to ensure two jig arm energy of the first strip gab 211 and the formation of annular through-hole 21
Enough deformation distances are enough produced, the second above-mentioned strip gab 212 can effectively make it that the first strip gab 211 and annular are logical
Two jig arm that hole 21 is formed are located at second strip gab 212 and produce elastic deformation, lock mechanism, so as to easily by partially
Cartridge 30 is locked.
Eccentric disc 30 is adjusted for the convenience of the user, and the annular that regulation driving lever 32 stretches out crank 20 is provided with the eccentric disc 30
Outer wall where through hole 21；
By stirring regulation driving lever 32 so that eccentric disc 30 rotates, so as to change the eccentric shaft 31 on eccentric disc 30 with turning
The distance of axle, regulation simple operation, efficiently.
With reference to shown in Fig. 2, as the first embodiment of the present invention, the retaining mechanism includes being arranged on crank 20
Stayed mast 51, one end of the stayed mast 51 is be hinged to be provided with cam spanner 52 and jointed shaft 53 is vertical with stayed mast 51, institute
State the shaft of stayed mast 51 through crank 20 the one end of the first strip gab 211 and shaft on be provided with arc spacer 54, it is described convex
The cam end wheel rim of wheel spanner 52 is resisted against in arc spacer 54, and the other end of the stayed mast 51 passes through the first strip gab
The side outer wall of crank 20 where 211, and the opposite side outer wall of crank 20 stretched out where 20 first strip gab of crank 211, institute
The length direction for stating stayed mast 51 is vertical with the length direction of crank 20 and external part is provided with adjusting nut 55；
By pulling cam spanner 52, so as to be the cam end wheel rim of cam spanner 52 is resisted against in arc spacer 54,
To realize the retightening operation to stayed mast 51, so that the spacing of the first strip gab 211 diminishes, and then realize to eccentric disc 30
Locking.
With reference to shown in Fig. 3, as second of embodiment of the present invention, the crank where first strip gab 211
20 both sides offer countersunk head screwed hole 201 and screwed hole 202 respectively, and the retaining mechanism includes being arranged on countersunk head screwed hole 201
And the screw 203 in screwed hole 202；
Above-mentioned screw 203 is set in the both sides of crank 20 where the first strip gab 211, so as to be also convenient for eccentric disc
30 lockings.
To further ensure that the locking effect to eccentric disc 30, the wheel rim of the eccentric disc 30 is provided with annular groove 301, institute
Outer wall where stating the annular through-hole 21 of crank 20 is provided with lock-screw 302, the annular of the lock-screw 302 and crank 20
Outer wall where through hole 21 form threaded connection and the bottom land of end and annular groove 301 against；
Using two sides of above-mentioned lock-screw 302 and annular groove 301 against so as to implement the axle to eccentric disc 30
To locking, eccentric disc 30 is avoided to be removed from crank 20.
Specifically, the outer wall where the annular through-hole 21 of the crank 20 is provided with annular opening 22, the annular opening
The outer wall of crank 20 where 22 is provided with scale, and the regulation driving lever 32 passes through annular opening 22 and corresponding with graduation position.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
- A kind of 1. length adjuster for exercising device crank, it is characterised in that：Including being connected with exercising device rotating shaft (10) Crank (20), one end of the crank (20) is fixed with rotating shaft (10), and the other end of the crank (20) is provided with eccentric disc (30) eccentric shaft (31) for fixed limb support member (40), the eccentric disc (30), are provided with the eccentric disc (30) Rotary type is arranged on crank (20), and the retaining mechanism for locking eccentric disc (30) is provided with the crank (20).
- 2. the length adjuster according to claim 1 for exercising device crank, it is characterised in that：The crank (20) End face on be provided with annular through-hole (21), be provided with first on the crank (20) where the edge of the annular through-hole (21) Shape opening (211), the retaining mechanism are arranged on the first strip gab (211) and for adjusting the first strip gab (211) Spacing change.
- 3. the length adjuster according to claim 2 for exercising device crank, it is characterised in that：First bar shaped Opening (211) is parallel with the length direction of crank (20), and one end of the first strip gab (211) is provided with the second strip gab (212), the length direction of second strip gab (212) is vertical with the length direction of crank (20).
- 4. the length adjuster according to claim 3 for exercising device crank, it is characterised in that：The eccentric disc (30) outer wall that regulation driving lever (32) is stretched out where the annular through-hole (21) of crank (20) is provided with.
- 5. the length adjuster according to claim 3 for exercising device crank, it is characterised in that：The retaining mechanism Including the stayed mast (51) being arranged on crank (20), one end of the stayed mast (51) is be hinged be provided with cam spanner (52) and Jointed shaft (53) is vertical with stayed mast (51), and stayed mast (51) shaft passes through the first strip gab (211) of crank (20) Arc spacer (54) is provided with one end and shaft, the cam end wheel rim of the cam spanner (52) is resisted against arc spacer (54) On, the other end of the stayed mast (51) passes through crank (20) side outer wall where the first strip gab (211), and stretches out bent Crank (20) opposite side outer wall where the first strip gab (211) of handle (20), the length direction of the stayed mast (51) with The length direction of crank (20) is vertical and external part is provided with adjusting nut (55).
- 6. the length adjuster according to claim 3 for exercising device crank, it is characterised in that：First bar shaped Crank (20) both sides where opening (211) offer countersunk head screwed hole (201) and screwed hole (202), the locking machine respectively Structure includes the screw (203) being arranged in countersunk head screwed hole (201) and screwed hole (202).
- 7. the length adjuster for exercising device crank according to claim 5 or 6, it is characterised in that：The bias The wheel rim of disk (30) is provided with annular groove (301), and the outer wall where the annular through-hole (21) of the crank (20) is provided with locking Screw (302), the lock-screw (302) is formed with the outer wall where the annular through-hole (21) of crank (20) to be threadedly coupled and holds Two sides of portion and annular groove (301) against.
- 8. the length adjuster according to claim 4 for exercising device crank, it is characterised in that：The crank (20) Annular through-hole (21) where outer wall be provided with annular opening (22), crank (20) outer wall where the annular opening (22) Provided with scale, the regulation driving lever (32) is through annular opening (22) and corresponding with graduation position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106106.XA CN107694027B (en) | 2017-11-10 | 2017-11-10 | Length regulator for training instrument crank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106106.XA CN107694027B (en) | 2017-11-10 | 2017-11-10 | Length regulator for training instrument crank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107694027A true CN107694027A (en) | 2018-02-16 |
| CN107694027B CN107694027B (en) | 2023-11-24 |
Family
ID=61180095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711106106.XA Active CN107694027B (en) | 2017-11-10 | 2017-11-10 | Length regulator for training instrument crank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107694027B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110775184A (en) * | 2019-11-06 | 2020-02-11 | 侯骁 | Adjustable physical therapy hand tricycle and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3339707A1 (en) * | 1983-11-03 | 1985-05-15 | Heinz Kettler Metallwarenfabrik Gmbh & Co, 4763 Ense | Training apparatus |
| CN1282845A (en) * | 1999-07-29 | 2001-02-07 | 宋家骏 | Adjustable crank of crank rocker mechanism |
| CN201612975U (en) * | 2009-12-14 | 2010-10-27 | 胡立群 | Exercise bicycle |
| KR20120116243A (en) * | 2011-04-12 | 2012-10-22 | 주식회사 코아인터랙티브 | Health apparatus |
| CN205952228U (en) * | 2016-08-15 | 2017-02-15 | 张伟锋 | Bicycle crank assembly |
| CN207401062U (en) * | 2017-11-10 | 2018-05-25 | 芜湖天人智能机械有限公司 | A kind of length adjuster for exercising device crank |
-
2017
- 2017-11-10 CN CN201711106106.XA patent/CN107694027B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3339707A1 (en) * | 1983-11-03 | 1985-05-15 | Heinz Kettler Metallwarenfabrik Gmbh & Co, 4763 Ense | Training apparatus |
| CN1282845A (en) * | 1999-07-29 | 2001-02-07 | 宋家骏 | Adjustable crank of crank rocker mechanism |
| CN201612975U (en) * | 2009-12-14 | 2010-10-27 | 胡立群 | Exercise bicycle |
| KR20120116243A (en) * | 2011-04-12 | 2012-10-22 | 주식회사 코아인터랙티브 | Health apparatus |
| CN205952228U (en) * | 2016-08-15 | 2017-02-15 | 张伟锋 | Bicycle crank assembly |
| CN207401062U (en) * | 2017-11-10 | 2018-05-25 | 芜湖天人智能机械有限公司 | A kind of length adjuster for exercising device crank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110775184A (en) * | 2019-11-06 | 2020-02-11 | 侯骁 | Adjustable physical therapy hand tricycle and use method thereof |
| CN110775184B (en) * | 2019-11-06 | 2021-03-19 | 侯骁 | Adjustable physical therapy hand tricycle and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107694027B (en) | 2023-11-24 |
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