CN204092950U - A kind of adjustable board for lying on back - Google Patents
A kind of adjustable board for lying on back Download PDFInfo
- Publication number
- CN204092950U CN204092950U CN201420412360.8U CN201420412360U CN204092950U CN 204092950 U CN204092950 U CN 204092950U CN 201420412360 U CN201420412360 U CN 201420412360U CN 204092950 U CN204092950 U CN 204092950U
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- lying
- board
- ratchet
- governor motion
- bar
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Abstract
The utility model belongs to body-building apparatus technical field, particularly relate to a kind of adjustable board for lying on back, the adjustable board for lying on back of one of the present utility model, described base is provided with two ratchet bars at least arranged side by side, the ratchet of described ratchet bar dorsad its contiguous before, the direction of after-poppet is arranged, be rotationally connected between described fore-stock and described gripper shoe, described fore-stock also comprises for being erected at governor motion before on described ratchet bar, be rotationally connected between described after-poppet and described board for lying on back, described after-poppet also comprises the rear governor motion for being erected on described ratchet bar, by front, rear governor motion is erected at respectively between ratchets different on ratchet bar and can realizes board for lying on back angle and adjustment highly, and due to the direction of ratchet be close to dorsad before, the direction of after-poppet is arranged, therefore, before, rear adjustment is stressed can not be subjected to displacement, with the fixed form of Impact direction cross beam support in obtuse angle, there is more firmly advantage compared to using in prior art.
Description
Technical field
The utility model belongs to body-building apparatus technical field, particularly relates to a kind of adjustable board for lying on back.
[
background technology]
Board for lying on back is generally made up of base, the column be fixed on base, the board for lying on back be arranged on column, the pad of lying on the back be fixed on board for lying on back.The angle of tradition board for lying on back is generally fixing unadjustable, such board for lying on back is bad for train on the underdeveloped people of abdominal muscle, often can not play the effect of body-building plasticity, and the structure of existing adjustable supine board is comparatively complicated, is therefore difficult to be accepted by common fitness enthusiasts.
For Problems existing in above-mentioned elliptical machine, Chinese patent CN201286956 discloses a kind of adjustable sit-up board, comprise base, be fixed on the column on base, be arranged on the board for lying on back on column, be fixed on the pad of lying on the back on board for lying on back, it is characterized in that column upper end is fixed wtih transverse axis, be contained on transverse axis with bearing holder (housing, cover) below the rear end of board for lying on back, also angle adjusting mechanism is installed between board for lying on back and base, angle adjusting mechanism comprises the pivotal block be fixed on below board for lying on back, be arranged on the head lamp brush guard pivot in pivotal block, upper end is articulated in the square tube of on head lamp brush guard pivot and side with a round with axis hole, be arranged on the lower pivot on base, be articulated in the lower pivotal block on lower pivot with axis hole and be fixed on the lower pipe of on lower pivotal block and top with interior square hole, the side of lower pipe is with hole, side, square tube is inserted in the interior square hole of lower pipe, one active pin is inserted in one of square tube one round by the side opening of lower pipe.
There is following problem in a kind of adjustable sit-up board of this patent document: although the angle adjusting mechanism on transverse axis can regulate the angle of board for lying on back, but in the process of sit-ups, often the momentum that falls back on board for lying on back of human body is larger, and there is the angle that is greater than 90 degree between board for lying on back and crossbeam, the crossbeam made like this is easy to stressed fractureing, and service life is short; Simultaneously because described angle adjusting mechanism keeps being fixedly connected with by pin and hole, so in use easy by the edge damage in hole, occur the phenomenon be communicated with between even multiple hole, not only service life is short, non-standard is difficult to change simultaneously, and maintenance cost is very high.
Utility model content
Technical problem to be solved in the utility model is existing adjustable board for lying on back complex structure, the flimsy technical problem of short and for being fixedly connected with pore volume in the stressed service life that easily fractures, thus provides that a kind of structure is simple firmly, production cost is low and the adjustable board for lying on back of the one of long service life.
For achieving the above object, the utility model provides a kind of adjustable board for lying on back, comprise base, board for lying on back, be fixed on described base for supporting the fore-stock of described board for lying on back front end and being fixed on described base for supporting the after-poppet of described board for lying on back rear end, described fore-stock is also provided with the some cross bars for hook leg, described base is provided with two ratchet bars at least arranged side by side, the ratchet of described ratchet bar dorsad its contiguous before, the direction of after-poppet is arranged, be rotationally connected between described fore-stock and described gripper shoe, described fore-stock also comprises for being erected at governor motion before on described ratchet bar, be rotationally connected between described after-poppet and described board for lying on back, described after-poppet also comprises the rear governor motion for being erected on described ratchet bar.
The sleeve pipe that at least two rows are rotationally connected for described front governor motion and described rear governor motion is provided with bottom described board for lying on back.
Described front governor motion comprising the push rod be arranged in described sleeve pipe, being erected at the bottom bar on described ratchet bar and the connecting portion for connecting described push rod and bottom bar.
Described connecting portion is the straight-bar connecting described bottom bar centre position and described push rod centre position.
Described connecting portion is the sleeve pipe connecting described bottom bar centre position and described push rod centre position, described sleeve pipe comprises the top sleeve pipe connecting described push rod and the bottom sleeve connecting described bottom bar, described sleeve pipe offers the through hole running through described top sleeve pipe and described bottom sleeve, in described through hole, be provided with the pin of fixing described sleeve position.
Described board for lying on back is attached with spongy layer, described spongy layer is coated with epidermal area, spongy layer described in corresponding human body back position is formed with the protuberance that thickness increases.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) the adjustable board for lying on back of one of the present utility model, described base is provided with two ratchet bars at least arranged side by side, the ratchet of described ratchet bar dorsad its contiguous before, the direction of after-poppet is arranged, be rotationally connected between described fore-stock and described gripper shoe, described fore-stock also comprises for being erected at governor motion before on described ratchet bar, be rotationally connected between described after-poppet and described board for lying on back, described after-poppet also comprises the rear governor motion for being erected on described ratchet bar, by front, rear governor motion is erected at respectively between ratchets different on ratchet bar and can realizes board for lying on back angle and adjustment highly, and due to the direction of ratchet be close to dorsad before, the direction of after-poppet is arranged, therefore, before, rear adjustment is stressed can not be subjected to displacement, compared to using the fixed form with Impact direction cross beam support in obtuse angle in prior art, supporting way of the present utility model is more firm.
(2) the adjustable board for lying on back of one of the present utility model, described connecting portion is the sleeve pipe connecting described bottom bar centre position and described push rod centre position, described sleeve pipe comprises the top sleeve pipe connecting described push rod and the bottom sleeve connecting described bottom bar, described sleeve pipe offers the through hole running through described top sleeve pipe and described bottom sleeve, in described through hole, be provided with the pin of fixing described sleeve position.By described connecting portion being set to the mode of sleeve pipe, board for lying on back of the present utility model in height can be regulated equally, doing so avoids after have selected suitable angle, situation about highly changing occurs, thus making the adjustable board for lying on back scope of application of one of the present utility model wider, the people being applicable to various figure uses.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the structural representation of a kind of adjustable board for lying on back in embodiment;
Fig. 2 is the structural representation of embodiment middle sleeve;
Fig. 3 is board for lying on back generalized section in embodiment.
In figure: 1-base; 2-board for lying on back; 31-fore-stock; 32-after-poppet; 4-cross bar; 5-ratchet bar; 6-ratchet; Governor motion before 7-; Governor motion after 8-; 9-fixture; 10-sleeve pipe; 11-push rod; 12-bottom bar; 13-connecting portion; 14-spongy layer; 15-epidermal area; 16-protuberance.
Detailed description of the invention
Below with reference to accompanying drawing, one of the present utility model adjustable elliptical machine base support and a kind of elliptical machine are described in detail.
Embodiment 1:
See Fig. 1, Fig. 2 and Fig. 3, a kind of adjustable board for lying on back, comprise base 1, board for lying on back 2, be fixed on described base 1 for supporting the fore-stock 32 of described board for lying on back 2 front end and being fixed on described base 1 for supporting the after-poppet 32 of described board for lying on back 2 rear end, described fore-stock 32 is also provided with the some cross bars 4 for hook leg, it is characterized in that, described base 1 is provided with two ratchet bars 5 at least arranged side by side, the ratchet 6 of described ratchet bar 5 dorsad its contiguous before, the direction of after-poppet 2 is arranged, be rotationally connected between described fore-stock 32 and described gripper shoe, described fore-stock 32 also comprises for being erected at governor motion 7 before on described ratchet bar 5, be rotationally connected between described after-poppet 32 and described board for lying on back 2, described after-poppet 32 also comprises the rear governor motion 8 for being erected on described ratchet bar 5.Front governor motion 7, rear governor motion 8 are erected at respectively between ratchets 6 different on ratchet bar 5 and can realize board for lying on back 2 angle and adjustment highly, and the direction due to ratchet 6 is close to forward and backward support 7(8 dorsad) direction arrange, therefore, regulate when height or angle at forward and backward replacing ratchet 6 and stressedly also can not to be subjected to displacement, use and the fixed form of Impact direction cross beam support in obtuse angle compared in prior art, the present embodiment provide a kind of supporting way of adjustable board for lying on back more firm.
In the present embodiment, the fixture 9 that at least two rows are rotationally connected with described rear governor motion 8 for described front governor motion 7 is provided with bottom described board for lying on back 2.
It should be noted that, the set-up mode of described fixture 9 can make diversified, although do not show in the accompanying drawings, but those skilled in the art can be understood by following description, described fixture 9 is arranged on the fixed structure for fixing described front governor motion 7 and rear governor motion 8 bottom board for lying on back 2, gap is left in the coupling part of fixture 9 respectively and between front governor motion 7 and rear governor motion 8, can relatively rotate in certain angle by opposed fixed member 9 with rear governor motion 8 to make described front governor motion 7, front like this governor motion 7 and rear governor motion 8 just can be separately positioned on different ratchets 6.
In the present embodiment, described front governor motion 7 comprising the push rod 11 be arranged in described sleeve pipe 10, being erected at the bottom bar 12 on described ratchet bar 5 and the connecting portion 13 for connecting described push rod 11 and bottom bar 12.
In the present embodiment, described connecting portion 13 is the straight-bar connecting described bottom bar 12 centre position and described push rod 11 centre position.
It should be noted that the set-up mode of connecting portion 13 is not limited only to above-mentioned two kinds of set-up modes, can also be make its more firmly other mapping mode such as triangle compound tube or the better quadrangle compound tube of force balance.
Below describe the set-up mode of connecting portion 13 in the present embodiment in detail:
In the present embodiment, described connecting portion 13 is the sleeve pipe connecting described bottom bar 12 centre position and described push rod 11 centre position, described sleeve pipe comprises the top sleeve pipe connecting described push rod 11 and the bottom sleeve connecting described bottom bar 12, described sleeve pipe offers the through hole running through described top sleeve pipe and described bottom sleeve, the pin of fixing described sleeve position is provided with in described through hole, that is, connecting portion 13 is by fixing the mode of two top sleeve pipes and bottom sleeve with pin, making between bottom sleeve and top sleeve pipe can specific elongation or shortening, through hole internal fixtion is plugged again by pin, just make a kind of adjustable board for lying on back in the present embodiment can not regulate height by the position changed on bottom bar 12 place ratchet bar 5.
In the present embodiment, described board for lying on back 2 is attached with spongy layer 14, described spongy layer is coated with epidermal area 15, described in corresponding human body back position, spongy layer 14 is formed with the protuberance 16 that thickness increases, the protuberance 16 that thickness increases makes the adjustable board for lying on back of the one of the present embodiment more meet ergonomics, be supplied to the better back of user to support, can effectively avoid the damage caused of moving.
Obviously, above-described embodiment is only for clearly example being described, the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Obviously, above-described embodiment is only for clearly example being described, the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (6)
1. an adjustable board for lying on back, comprise base (1), board for lying on back (2), be fixed on described base (1) for supporting the fore-stock (31) of described board for lying on back (2) front end and being fixed on described base (1) for supporting the after-poppet (32) of described board for lying on back (2) rear end, described fore-stock (31) is also provided with the some cross bars (4) for hook leg, it is characterized in that, described base (1) is provided with two ratchet bars (5) at least arranged side by side, the ratchet (6) of described ratchet bar (5) dorsad its contiguous before, the direction of after-poppet (2) is arranged, be rotationally connected between described fore-stock (31) and described gripper shoe, described fore-stock (31) also comprises the front governor motion (7) for being erected on described ratchet bar (5), be rotationally connected between described after-poppet (32) and described board for lying on back (2), described after-poppet (32) also comprises the rear governor motion (8) for being erected on described ratchet bar (5).
2. the adjustable board for lying on back of one according to claim 1, is characterized in that, described board for lying on back (2) bottom is provided with the fixture (9) that at least two rows are rotationally connected for described front governor motion (7) and described rear governor motion (8).
3. the adjustable board for lying on back of one according to claim 2, it is characterized in that, described front governor motion (7) comprising the push rod (11) be arranged in described sleeve pipe (10), being erected at the bottom bar (12) on described ratchet bar (5) and the connecting portion (13) for connecting described push rod (11) and bottom bar (12).
4. the adjustable board for lying on back of one according to claim 3, is characterized in that, described connecting portion (13) is the straight-bar connecting described bottom bar (12) centre position and described push rod (11) centre position.
5. the adjustable board for lying on back of one according to claim 3, it is characterized in that, described connecting portion (13) is the sleeve pipe connecting described bottom bar (12) centre position and described push rod (11) centre position, described sleeve pipe comprises the top sleeve pipe connecting described push rod (11) and the bottom sleeve connecting described bottom bar (12), described sleeve pipe offers the through hole running through described top sleeve pipe and described bottom sleeve, in described through hole, be provided with the pin of fixing described sleeve position.
6. the adjustable board for lying on back of one according to claim 1, it is characterized in that, described board for lying on back (2) is attached with spongy layer (14), described spongy layer is coated with epidermal area (15), spongy layer (14) described in corresponding human body back position is formed with the protuberance (16) that thickness increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412360.8U CN204092950U (en) | 2014-07-24 | 2014-07-24 | A kind of adjustable board for lying on back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412360.8U CN204092950U (en) | 2014-07-24 | 2014-07-24 | A kind of adjustable board for lying on back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204092950U true CN204092950U (en) | 2015-01-14 |
Family
ID=52261422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420412360.8U Expired - Fee Related CN204092950U (en) | 2014-07-24 | 2014-07-24 | A kind of adjustable board for lying on back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204092950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702037A (en) * | 2017-02-20 | 2017-05-24 | 高峰 | Gas-blowing device for ribbon cutting machine |
| CN112121357A (en) * | 2019-01-07 | 2020-12-25 | 黄河科技学院 | Training device for exercising abdomen strength |
-
2014
- 2014-07-24 CN CN201420412360.8U patent/CN204092950U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702037A (en) * | 2017-02-20 | 2017-05-24 | 高峰 | Gas-blowing device for ribbon cutting machine |
| CN112121357A (en) * | 2019-01-07 | 2020-12-25 | 黄河科技学院 | Training device for exercising abdomen strength |
| CN112121357B (en) * | 2019-01-07 | 2022-07-01 | 黄河科技学院 | Training device for exercising abdomen strength |
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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: 20150114 Termination date: 20150724 |
|
| EXPY | Termination of patent right or utility model |