CN204502293U - There is the board for lying on back of auxiliary rail - Google Patents
There is the board for lying on back of auxiliary rail Download PDFInfo
- Publication number
- CN204502293U CN204502293U CN201520205494.7U CN201520205494U CN204502293U CN 204502293 U CN204502293 U CN 204502293U CN 201520205494 U CN201520205494 U CN 201520205494U CN 204502293 U CN204502293 U CN 204502293U
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- CN
- China
- Prior art keywords
- frame
- side arm
- lying
- support bar
- board
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of board for lying on back with auxiliary rail, comprise frame, this frame comprises the side arm and after-frame that link together, wherein, this side arm top is provided with support bar, and the bottom of this side arm is provided with pin raker, and, this after-frame is provided with service creeper, and the both sides that the top of described side arm or the front portion of after-frame are positioned at this frame are respectively equipped with the elasticity handrail that has the trend of rotating up.The utility model has the advantages that: the less person taking exercise of waist abdomen strength can be assisted to carry out sit-up exercise.
Description
Technical field
The present invention relates to body-building apparatus technical field, especially relate to a kind of board for lying on back with auxiliary rail.
Background technology
As modal a kind of body-building apparatus, board for lying on back comprises the L-shaped side arm that links together and after-frame.Wherein, the front portion of this side arm top or this after-frame is provided with support bar, and the bottom of this side arm is provided with pin raker, and the rear portion of this after-frame is provided with service creeper, and this service creeper is usually in middle convex arc.Like this, person taking exercise faces upward and lies on this service creeper, and thigh is subject to the support of this support bar, and ankle portion hooks on this pin raker, repeatedly lies down and stands up, can carry out sit-up exercise.But because person taking exercise is when standing up, completely by means of the waist abdomen strength of self, thus for the more weak person taking exercise of some waist abdomen strength, comparatively difficulty of standing up, is easy to make it lose the interest of carrying out sit-up exercise.
Summary of the invention
The object of this invention is to provide a kind of board for lying on back with auxiliary rail, it has the advantages that to assist the less person taking exercise of waist abdomen strength to carry out sit-up exercise.
The technical solution adopted in the present invention is: the board for lying on back with auxiliary rail, comprise frame, this frame comprises the side arm and after-frame that link together, wherein, this side arm top is provided with support bar, and the bottom of this side arm is provided with pin raker, and, this after-frame is provided with service creeper, and the both sides that the top of described side arm or the front portion of after-frame are positioned at this frame are respectively equipped with the elasticity handrail that has the trend of rotating up.
Have the inner chamber that two ends are penetrating in described support bar, through there being axis rod in this inner chamber, the lower end of these 2 elasticity handrails is articulated in the two ends of this axis rod respectively, and is equipped with a torsion spring between these 2 elasticity handrails and this side arm.
The middle part of described support bar is articulated on this side arm, and the lower end of these 2 elasticity handrails is individually fixed in 2 ends of this support bar, and is provided with torsion spring between this support bar and this side arm.
The present invention is advantageously: the less person taking exercise of waist abdomen strength can be assisted to carry out sit-up exercise.Person taking exercise use of the present invention there is the board for lying on back of auxiliary rail and lie down time, hand is only needed to be depressed by elasticity handrail, make this elasticity handrail storage elasticity potential energy, thus when person taking exercise is for standing up, the support of elasticity handrail can be subject to, also can stand up easily even if waist abdomen strength is slightly weak then, take exercise for a long time for it and add confidence and enjoyment.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the perspective exploded view with the board for lying on back of auxiliary rail of embodiments of the invention 1;
Fig. 2 is the perspective exploded view with the board for lying on back of auxiliary rail of embodiments of the invention 2.
Detailed description of the invention
Embodiment 1
As shown in Figure 1: the board for lying on back with auxiliary rail, comprises frame.This frame comprises the L-shaped side arm 11 that links together and after-frame 12.Certainly, the bottom of this side arm 11 and this after-frame 12 all arranges feet.Meanwhile, the front portion of this side arm 11 top or this after-frame 12 is provided with support bar 20, and the bottom of this side arm 11 is provided with pin raker 30, and this after-frame 12 is provided with service creeper 40.
Further say, the both sides that the top of this side arm 11 or the front portion of after-frame 12 are positioned at this frame are respectively equipped with the elasticity handrail 50 that has the trend of rotating up.That is, once this elasticity handrail 50 is under pressure and is rotated down backward, then certain elastic potential energy can be laid in.Like this, this elasticity handrail 50, when carrying out sit-up exercise by means of this board for lying on back, only while lying down, need being depressed, can be stood up easily when standing up by means of the elastic force of this elasticity handrail 50 by person taking exercise.
More specifically, in this support bar 20, there is the penetrating inner chamber in two ends.Through there being axis rod 51 in this inner chamber.This axis rod 51 and this inner chamber can be that matched in clearance also can be interference fit.The lower end of these 2 elasticity handrails 50 is articulated in the two ends of this axis rod 51 respectively.That is, this elasticity handrail 50 can with this axis rod 51 for rotating shaft rotates.And, be equipped with a torsion spring 52 between this 2 elasticity handrails 50 and this side arm 11.That is, this torsion spring 52 provides elastic force for the reset of this elasticity handrail 50.
Embodiment 2
As shown in Figure 2, be only with the difference of embodiment 1: the middle part of this support bar 20 is articulated on this side arm 11, and the lower end of these 2 elasticity handrails 50 is individually fixed in 2 ends of this support bar 20, and is provided with torsion spring 52 between this support bar 20 and this side arm 11.That is, required torsion spring is only required to be one or one group.Like this, for embodiment 1, structure is more simple.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. there is the board for lying on back of auxiliary rail, comprise frame, this frame comprises the side arm (11) and after-frame (12) that link together, wherein, this side arm (11) top is provided with support bar (20), the bottom of this side arm (11) is provided with pin raker (30), and, this after-frame (12) is provided with service creeper (40), it is characterized in that: the both sides that the top of described side arm (11) or the front portion of after-frame (12) are positioned at this frame are respectively equipped with the elasticity handrail (50) that has the trend of rotating up.
2. the board for lying on back with auxiliary rail according to claim 1, it is characterized in that: there is in described support bar (20) the penetrating inner chamber in two ends, through there being axis rod (51) in this inner chamber, the lower end of these 2 elasticity handrails (50) is articulated in the two ends of this axis rod (51) respectively, and is equipped with a torsion spring (52) between these 2 elasticity handrails (50) and this side arm (11).
3. the board for lying on back with auxiliary rail according to claim 1, it is characterized in that: the middle part of described support bar (20) is articulated on this side arm (11), and the lower end of these 2 elasticity handrails (50) is individually fixed in 2 ends of this support bar (20), and be provided with torsion spring (52) between this support bar (20) and this side arm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520205494.7U CN204502293U (en) | 2015-04-07 | 2015-04-07 | There is the board for lying on back of auxiliary rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520205494.7U CN204502293U (en) | 2015-04-07 | 2015-04-07 | There is the board for lying on back of auxiliary rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204502293U true CN204502293U (en) | 2015-07-29 |
Family
ID=53700297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520205494.7U Expired - Fee Related CN204502293U (en) | 2015-04-07 | 2015-04-07 | There is the board for lying on back of auxiliary rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204502293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875582A (en) * | 2017-11-24 | 2018-04-06 | 四川建筑职业技术学院 | A kind of abdominal muscle frame with adjustable flexibility |
| CN110507956A (en) * | 2019-09-11 | 2019-11-29 | 何磊 | A kind of cell sit-up exercise equipment |
-
2015
- 2015-04-07 CN CN201520205494.7U patent/CN204502293U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875582A (en) * | 2017-11-24 | 2018-04-06 | 四川建筑职业技术学院 | A kind of abdominal muscle frame with adjustable flexibility |
| CN110507956A (en) * | 2019-09-11 | 2019-11-29 | 何磊 | A kind of cell sit-up exercise equipment |
| CN110507956B (en) * | 2019-09-11 | 2021-07-13 | 烟台业达体育集团有限公司 | Sit-up exercise equipment for residential area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20200407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |