CN101766883B - Abdominal and back exerciser - Google Patents
Abdominal and back exerciser Download PDFInfo
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- CN101766883B CN101766883B CN200810188093XA CN200810188093A CN101766883B CN 101766883 B CN101766883 B CN 101766883B CN 200810188093X A CN200810188093X A CN 200810188093XA CN 200810188093 A CN200810188093 A CN 200810188093A CN 101766883 B CN101766883 B CN 101766883B
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- swing arm
- seat frame
- pedestal
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Abstract
The invention relates to an abdominal and back exerciser. A multiple-degree-of-freedom motion mechanism which is arranged on a base is connected with a seat and a seat back. An user can sit on the seat, the back leans against the seat back to form a sitting gesture, the seat back tilts backwards by the force of the upper half body tilting backwards, the multiple-degree-of-freedom motion mechanism generates a multi-link motion, the seat generates sequential actions of upward lifting, forward tilting and forward moving, the user forms a supine extension gesture, and then the abdominal muscle, back muscle and spine can do extension motion.
Description
Technical field
The present invention is relevant with sports equipment, more detailed it, be a kind of sports equipment that abdominal muscles, muscle of back, vertebra are stretched.
Background technology
About training dorsal abdominal muscle meat group's prior art, as United States Patent (USP) 6231489 cases.This case has an arch framework, is provided with the roller of plural number along this arch framework.The user can paste these rollers with the back with going up body along this arch framework layback, makes abdominal muscles, muscle of back and vertebra obtain to stretch.This case is a static accessory, and the user can carry out the song of trunk and stretch action on this accessory, but all songs stretch action and need to rely on oneself and finish by the user, this accessory can't provide assistance in motion process.
The novel patent case of Chinese T W M282703 number, this case have the motion framework that can bent stretch, and it is made up of frame, seat support, the chair back, handgrip, connecting rod, support bar and damper.The function that provides operation resistance and transient state to support between frame and seat support or the support bar is provided damper, the operator is seated at seat support, and the back leans against the chair back, and the seat support and the chair back see through the mode adjacency of swivel coupling, during with hand propelled or pulling handgrip, health can move along with the swing of the seat support and the chair back.Motion state that this case provided system makes health extend to " stretching " state from a curvature state, but does not have guiding body curvature and the function of stretch again belly and muscle of back backward.
The novel patent case of Chinese T W M326842 number, this case mainly are made of a Undercarriage structure, a handle structure and a back bracket structure.This back bracket is connected in Undercarriage structure with rotary contact, and can produce stirring of fore-and-aft direction.The user is seated at seat portion, and the back is with the back bracket support structure, and can retreat to do the motion at stretching back.Motor pattern that this case provided system makes body with recurvate slightly radian state tipping or answer back backward again, yet this case seat portion is fixed, the back bracket generation very big after when turning over angle, can increase the weight of waist abdomen exercise load.
Summary of the invention
The objective of the invention is to, a kind of abdominal and back exerciser is provided, when the user operates this training airplane, health can develop into backward song from seating and standing posture and face upward stretching, extension, face upward stretching, extension from song again and return seating and standing posture again, make abdominal muscles, muscle of back and vertebra carry out stretching routine, reach training body core muscles group's purpose, and discharge the pressure of back and vertebra.
The objective of the invention is to, a kind of abdominal and back exerciser is provided, this training airplane can assist the user labour-saving to face upward straight position from above-mentioned song to return again and be seating and standing posture, alleviate waist abdomen exercise load, effectively avoid athletic injury.
The objective of the invention is to, a kind of abdominal and back exerciser is provided, this training airplane can produce the link motion of multi-angle, and therefore can face upward expansion service according to the song of user's health does automatic adjustment, effectively avoids athletic injury.
A kind of abdominal and back exerciser, it mainly is based upon movement mechanism with multiple degrees of freedom on the pedestal with one and connects a seat and and lean against; The user can be seated at this seat, the back is fixed against this and leans against, be a seating and standing posture, strength to turn above the waist backward again, this is leaned against backward fascinate, this movement mechanism with multiple degrees of freedom produces many link motions, the sequence that this seat is lifted, leans forward, moved forward on producing, the user promptly is the posture that a song is faced upward stretching, extension, makes abdominal muscles, muscle of back and vertebra carry out stretching routine.
Above-mentioned abdominal and back exerciser have two connecting rods of being located at relative motion in this movement mechanism with multiple degrees of freedom between damping and multiple return device, with so that this movement mechanism with multiple degrees of freedom produces resistance of motion, and provide this movement mechanism with multiple degrees of freedom to be back to the power-assisted of original state again.The user can be seating and standing posture by returning again in contrast to above-mentioned action, this damping and multiple return device are brought into play at this moment and are provided this movement mechanism with multiple degrees of freedom to be back to the power-assisted of original state again, thereby allowing the user can the labour-saving face upward straight position from above-mentioned song returns again and is seating and standing posture, alleviate waist abdomen exercise load, effectively avoid athletic injury.
For ease of explanation the present invention represented central idea in foregoing invention content one hurdle, express with specific embodiment now.Various different objects system is described in the ratio that is suitable for illustrating, size, deflection or displacement among the embodiment, but not is drawn in the ratio of actual components, close chat earlier bright.And in the following description, similar elements is to represent with identical numbering.
Description of drawings
Fig. 1 is a three-dimensional exploded view of the present invention.
Fig. 2 is the combination appearance figure in front of the present invention.
Fig. 3 is the combination appearance figure at the back side of the present invention.
Fig. 4 is side-looking of the present invention and action schematic diagram one.
Fig. 5 is side-looking of the present invention and action schematic diagram two.
Fig. 6 is side-looking of the present invention and action schematic diagram three.
The specific embodiment
As Fig. 1 to Fig. 4, abdominal and back exerciser of the present invention comprises:
One pedestal 10;
One builds on the movement mechanism with multiple degrees of freedom 20 on this pedestal 10, and this movement mechanism with multiple degrees of freedom 20 comprises that mainly a seat frame 21, one preceding swing arm 22, a pair of back swing arm 23 and lean against connection rod set 30.First end of swing arm 22 is connected with this pedestal 10 with rotary contact 221 before being somebody's turn to do, and its second end is connected with the leading edge of rotary contact 222 with this seat frame 21.First end of this back swing arm 23 is connected with this pedestal 10 with rotary contact 231, and its second end leans against connection rod set 30 with rotary contact 232 and this and is connected.This leans against connection rod set 30 and is connected with the trailing edge of rotary contact 301 with this seat frame 21.An affixed seat 211 on this seat frame 21.
One leans against 40, and this leans against 40 and mainly is made of a ridge bar 41 and several rolling units 42 of being assembled in these ridge bar 41 left and right sides.This ridge bar 41 and above-mentioned lean against connection rod set 30 one the rotation power shaft 31 affixed.This ridge bar 41 has a front and back curvature that roughly meets human vertebra.Several rolling units 42 constitute a suitable area that leans against.One headrest 43 is assembled in the top of this ridge bar 41.One high-order handrail 44 is assembled in the top of this ridge bar 41, and extends in the both sides of this headrest 43.Other has a low level handrail 48 to be assembled in this seat frame 21, and extends in the both sides of this seat 211.
One damping and multiple return device 50, mainly constituted by at least one flexible member between two connecting rods of being located at relative motion in this movement mechanism with multiple degrees of freedom 20 (511 or 512), with so that this movement mechanism with multiple degrees of freedom 20 produces resistances of motion, and provide this movement mechanism with multiple degrees of freedom 20 to be back to the power-assisted of original state again.
One pin retaining 60, this pin retaining 60 mainly are made of a pin block seat 61 and at least one pair of block unit (621 or 622) of being assembled in these pin block seat 61 left and right sides.This pin block seat 61 is connected in this pedestal 10 with a rotary contact 611 and is positioned at before this preceding swing arm 22.
One range of movement limiting unit 70, constituted by at least one block body (711 or 712) that is fixed on this pedestal 10, constitute block when at least one the motion body of rod in this movement mechanism with multiple degrees of freedom 20 is arrived an extreme position, limit the range of movement of this movement mechanism with multiple degrees of freedom 20 according to this.
Based on above-described basic framework, a user can be seated at this seat 211, and the back is fixed against this and leans against 40, and both hands are held this high position handrail 44 or low level handrail 48, and biped is limited by this pin retaining 60, is a seating and standing posture according to this.The user is the strength to turn above the waist backward again, force in this with back and power of waist and lean against 40, make this lean against 40 fascinates backward, and then make this movement mechanism with multiple degrees of freedom 20 produce many link motions, and then this seat 211 produces the sequence of lifting, lean forward, moving forward, the user promptly is the posture that a song is faced upward stretching, extension, makes abdominal muscles, muscle of back and vertebra carry out stretching routine.The user can return again by reverse action and be seating and standing posture, above-mentioned damping and multiple return device 50 are brought into play at this moment and are provided this movement mechanism with multiple degrees of freedom 20 to be back to the power-assisted of original state again, thereby allowing the user can the labour-saving face upward straight position from above-mentioned song returns again and is seating and standing posture, alleviate waist abdomen exercise load, effectively avoid athletic injury.
Now the specific embodiment with abdominal and back exerciser is described as follows:
About leaning against connection rod set 30 in the above-mentioned movement mechanism with multiple degrees of freedom 20, shown in legend, comprise an above-mentioned rotation power shaft 31, this rotation power shaft 31 is parallel to this and leans against 40 left and right directions and be positioned at this and lean against 40 rear, this rotation power shaft 31 with this two afterwards swing arm 23 be connected with rotary contact 232.Each is affixed with first end of a distance rod 32 at the two ends of this rotation power shaft 31, and second end of this distance rod 32 then is connected with the trailing edge of above-mentioned rotary contact 301 with this seat frame 21.
Any means known that can be any leans against 40 ridge bar 41 with this and is fixed together with this rotation power shaft 31, this rotation power shaft 31 is rotated thereby make this lean against 40 when stirring backward.An affixed plate 45 is used between this ridge bar 41 and this rotation power shaft 31 and reaches affixed purpose in legend.This this rotation power shaft 31 is provided with a block body that extends back 46, and this block body 46 can lean against 40 in this and by the block body 47 that with this back swing arm 23 link to each other be blocked when stirring to an extreme angles backward, leans against 40 range of movement thereby limit this.
About above-mentioned damping and multiple return device 50, shown in legend, comprise that one is connected in this seat frame 21 and one first flexible member 511 that is somebody's turn to do preceding swing arm 22, and second flexible member 512 that is connected between this pedestal 10 and this seat frame 21.This seat frame 21 provides several link positions 212, selects one of them link position 212 to be connected for this first flexible member 511 with second flexible member 512.This first and second flexible member 511,512 carry out in this seat 211 and to lift, lean forward, to form during action such as reach enhanced stretch resistance, what this resistance was indirect leans against connection rod set 30 effect to this, so the user must lean against 40 to this with the back and imposes a predetermined strength and could stir this backward and lean against 40.Opposite, the user is in answering back the action that is sitting posture, and the elastic-restoring force of this first and second flexible member 511,512 is brought into play at this moment provides this seat frame 21 and this to lean against the power-assisted that connection rod set 30 is answered back, alleviate user's waist abdomen exercise load, effectively avoid athletic injury.
In legend of the present invention, this pin retaining 60 has one first block unit 621 and one second block unit 622, this first and second blocks unit 621, the predetermined horizontal range of being separated by between 622, swing by this pin block seat 61, the user can select use the first block unit 621 or the second block unit 622 limit its biped according to height, and the user could finish above-mentioned song smoothly and face upward and stretch and action such as answer back.
Above-mentioned range of movement limiting unit 70, limit this preceding swing arm 22 first block body 711 of pendulum angle backward by one, and one limit this back swing arm 23 forward second block body 712 of pendulum angle constitute, when training airplane is inactive state, the blocks relation can take place with corresponding preceding swing arm 22 or back swing arm 23 in one of them block body 711 or 712, cooperate this first and second flexible member 511,512, provide the support of temporary property to this movement mechanism with multiple degrees of freedom 20, thereby make trainer stable when inactive state.
The detailed action specification of now user being operated abdominal and back exerciser of the present invention is as follows:
As Fig. 4, the user is seated at this seat 211, and the back is fixed against this and leans against 40, and both hands are held this high position handrail 44 (or low level handrail 48), and biped is limited by this first block unit 621 or this second block unit 622, is a seating and standing posture according to this.
As Fig. 5, the strength of user to turn above the waist backward forces in this with the back and leans against 40, makes this lean against 40 and fascinates backward, these rotation power shaft 31 turns, and then this distance rod 32 is swung from lower to upper, and the trailing edge of this seat frame 21 is up lifted, whole seat frame 21 is pushed away forward simultaneously, should swing forward by preceding swing arm 22, whole seat 211 presents the state that leans forward, and cooperates to what swing back to lean against 40, and user's body promptly is the posture that a song is faced upward stretching, extension.
As Fig. 6, when lean against 40 stir to this two block body 46,47 mutual blocks backward extreme angles the time, the trailing edge of this seat frame 21 can more up be lifted, but the leading edge of seat frame 21 but should before swing arm 22 pull back, to its by these first block body, 711 blocks.User's body promptly is than the song of wide-angle faces upward straight position.Lean against 40 rolling unit 42 roll and massage muscle of back in the motion process by this.
Though the present invention does explanation with a most preferred embodiment, be skillful in this skill person and can make various multi-form changes not breaking away under the present invention spirit and the category.Above illustrated embodiment is only in order to explanation the present invention, and is non-in order to limit the scope of the invention.Such as do not disobey various modifications or the variation that spirit of the present invention is engaged in, all belong to the present patent application claim.
Claims (9)
1. an abdominal and back exerciser is characterized in that, comprising:
One puts the pedestal (10) that fixes on an entity face;
One builds on the movement mechanism with multiple degrees of freedom (20) on this pedestal (10), and this movement mechanism with multiple degrees of freedom (20) comprises that mainly a seat frame (21), a preceding swing arm (22), a pair of back swing arm (23) and lean against connection rod set (30); First end of swing arm (22) is connected with this pedestal (10) with rotary contact (221) before being somebody's turn to do, and its second end is connected with the leading edge of rotary contact (222) with this seat frame (21); First end of this back swing arm (23) is connected with this pedestal (10) with rotary contact (231), and its second end leans against connection rod set (30) with rotary contact (232) and this and is connected; This leans against connection rod set (30) and is connected with the trailing edge of rotary contact (301) with this seat frame (21); This seat frame (21) is gone up an affixed seat (211);
One and above-mentioned lean against connection rod set (30) one the rotation affixed the leaning against of power shaft (31) (40);
The above-mentioned connection rod set (30) that leans against comprises above-mentioned rotation power shaft (31), and this rotation power shaft (31) is connected with rotary contact (232) with this two back swing arm (23); Each is affixed with first end of a distance rod (32) at the two ends of this rotation power shaft (31), and second end of this distance rod (32) then is connected with the trailing edge of above-mentioned rotary contact (301) with this seat frame (21);
One is located at damping and the multiple return device (50) between two connecting rods of relative motion in this movement mechanism with multiple degrees of freedom (20);
One is located at this pedestal (10) upward is positioned at this preceding swing arm (22) pin retaining (60) before; And
One in order to limit the range of movement limiting unit (70) of this movement mechanism with multiple degrees of freedom (20) range of movement.
2. abdominal and back exerciser according to claim 1, it is characterized in that this rotates power shaft (31) affixed block bodies (46), this back swing arm (23) is provided with another block body (47), mutual block with this two block body (46,47) limits the range of movement that this leans against (40).
3. abdominal and back exerciser according to claim 1 is characterized in that, this damping and multiple return device (50) mainly are made of at least one flexible member (511,512) between two connecting rods of being located at relative motion in this movement mechanism with multiple degrees of freedom (20).
4. as abdominal and back exerciser as described in the claim 3, it is characterized in that, above-mentioned damping and multiple return device (50) comprise that one is connected in one first flexible member (511) of this seat frame (21) and this preceding swing arm (22), and second flexible member (512) that is connected between this pedestal (10) and this seat frame (21); This seat frame (21) provides several link positions (212), selects one of them link position (212) to be connected for this first flexible member (511) with second flexible member (512).
5. abdominal and back exerciser according to claim 1, it is characterized in that, above-mentioned pin retaining (60) is mainly by a pin block seat (61) and the one first block unit (621) and the one second block unit (622) that are assembled in this pin block seat (61) left and right sides, the predeterminated level distance of being separated by between this first and second blocks unit (621,622); This pin block seat (61) is connected in this pedestal (10) with a rotary contact (611).
6. abdominal and back exerciser according to claim 1, it is characterized in that, above-mentioned range of movement limiting unit (70) is fixed in this pedestal (10) and goes up at least one block body (711,712) that constitutes block when at least one the motion body of rod in this movement mechanism with multiple degrees of freedom (20) is arrived an extreme position.
7. as abdominal and back exerciser as described in the claim 7, it is characterized in that, above-mentioned range of movement limiting unit (70) by a restriction should before swing arm (22) first block body (711) of pendulum angle backward, and one limit this back swing arm (23) forward second block body (712) of pendulum angle constitute.
8. abdominal and back exerciser according to claim 1 is characterized in that, this leans against (40) and mainly is made of a ridge bar (41) and several rolling units (42) of being assembled in this ridge bar (41) left and right sides; One headrest (43) is assembled in the top of this ridge bar (41); One high-order handrail (44) is assembled in the top of this ridge bar (41), and extends in the both sides of this headrest (43).
9. abdominal and back exerciser according to claim 1 is characterized in that a low level handrail (48) is assembled in this seat frame (21), and extends in the both sides of this seat (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810188093XA CN101766883B (en) | 2008-12-30 | 2008-12-30 | Abdominal and back exerciser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810188093XA CN101766883B (en) | 2008-12-30 | 2008-12-30 | Abdominal and back exerciser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101766883A CN101766883A (en) | 2010-07-07 |
| CN101766883B true CN101766883B (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810188093XA Expired - Fee Related CN101766883B (en) | 2008-12-30 | 2008-12-30 | Abdominal and back exerciser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101766883B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201242638A (en) * | 2011-04-27 | 2012-11-01 | Dyaco Int Inc | Core muscle training device and using method of the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2910284Y (en) * | 2006-04-22 | 2007-06-13 | 深圳信隆实业股份有限公司 | Sit-ups machine |
| CN200948319Y (en) * | 2006-09-01 | 2007-09-19 | 陈志亮 | Situp training machine |
-
2008
- 2008-12-30 CN CN200810188093XA patent/CN101766883B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2910284Y (en) * | 2006-04-22 | 2007-06-13 | 深圳信隆实业股份有限公司 | Sit-ups machine |
| CN200948319Y (en) * | 2006-09-01 | 2007-09-19 | 陈志亮 | Situp training machine |
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| Publication number | Publication date |
|---|---|
| CN101766883A (en) | 2010-07-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20121230 |