CN101014389A

CN101014389A - Sit-up board

Info

Publication number: CN101014389A
Application number: CNA2005800264761A
Authority: CN
Inventors: 南大坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-05
Filing date: 2005-07-25
Publication date: 2007-08-08
Also published as: KR20060013334A

Abstract

Disclosed herein is a sit-up board. The sit-up board includes a first board (110), a second board (120), and a guy cable (160). At least one tension spring is provided on a lower surface of the first board. At least one extension cable, which is coupled to an end of the tension spring and extends the tension spring, is drawn to the upper surface of the first board along a plurality of guide units provided on the lower surface of the first board. The second board is coupled to the first board via a hinge unit in such a way as to rotate downwards, with a foot support being detachably mounted to the second board. The guy cable passes through ends of the first and second boards, and supports the first and second boards at a predetermined angle. This invention facilitates a wide variety of exercises.

Description

Abdominal boards

Technical field

Put it briefly, the present invention relates to a kind of abdominal boards, more particularly, relate to a kind of abdominal boards, it helps to carry out various motions and has simple structure.

Background technology

The modern who is seated for a long time and does not take exercises more likely suffers from the protrusion of the intervertebral disc or abdominal fatness.In order to address this problem, the various sports equipments that are used for the treatment of vertebra or strengthen abdominal muscle have been developed.

Upside down machine and abdominal boards are the representative sports equipments that is used for the treatment of vertebra or strengthens abdominal muscle.

Upside down machine is used to keep user's ankle, and the user can be done handstand.Upside down machine helps to treat vertebra and stimulates circulation.But the problem of upside down machine is that it can't temper other body parts.And, because upside down machine is bulky, be difficult to deposit and move.Moreover upside down machine is very expensive.

Simultaneously, abdominal boards also is a kind of sports equipment, and it keeps both feet, so that the user can lie onboard and do sit-ups, and need not other people help, thus exercising abdominal muscles.For example, Korean utility model registration has proposed a kind of abdominal boards No. 0308209.

This abdominal boards comprises first plate 2 and second plate 4.One end of one end of first plate 2 and second plate 4 is hinged on the back shaft 6 that is horizontally placed on predetermined altitude, so that the linear mutually coupling of first and second plates 2 and 4.Precalculated position on abdominal boards provides first pillar, so that back shaft 6 is remained in predetermined altitude.This abdominal boards also comprises second pillar 14, its be used to support second plate 4 not with the free end of first plate, 2 couplings.18 precalculated positions that are positioned on the abdominal boards are divided in the pushed section on first plate, and make first plate 2 with respect to second plate 4 around back shaft 6 rotations, thereby pushing away first plate 2 on the predetermined angle, thereby help the user to do sit-ups.And, leg rest frame 46 is installed on precalculated position on second pillar 14, and is used for the pin (referring to Fig. 1) of supporting user when the user does sit-ups.

The advantage of Gou Zao abdominal boards is as mentioned above, and when the user did the motion of strengthening abdominal muscle, 18 burdens that can alleviate waist were divided in the pushed section on first plate.Yet the shortcoming of traditional abdominal boards is that it can't temper abdominal region, arm, pin etc. except tempering upper abdomen.

Summary of the invention

Technical problem

Therefore, to have proposed the present invention in order solving the aforementioned problems in the prior, and to have an object of the present invention is to provide a kind of abdominal boards, it can be treated vertebra, strengthen upper abdomen or abdominal region, and tempers arm, pin etc.

Another object of the present invention provides a kind of abdominal boards, and it can fold, and in light weight, therefore deposits easily and moves.

Technical scheme

In order to reach above purpose, the invention provides a kind of abdominal boards, it comprises: first plate, at least one elastomeric element is provided on the lower surface of first plate, at least one extended line is coupled to an end of elastomeric element and prolongs elastomeric element, and a plurality of pilot units on the lower surface of first plate, are provided, extended line is pulled to the upper surface of first plate along pilot unit; Second plate, it is coupled to first plate via hinge-unit in the mode that is rotated down, and has a leg rest frame to be removably installed on second plate; And drag-line, it passes the end of first and second plates, and supports first and second plates with predetermined angle.

This structure allows the treatment vertebra or stretches waist.And this structure makes the user can do sit-ups, and need not others' help, thereby strengthens the muscle of upper abdomen.By drawing extended line, can temper arm and shoulder muscle.

The two ends that keep drag-line by fastening button, and the middle part at fastening button forms patchhole, so that will be positioned at the retention tab of each end of drag-line inserts this and inserts in the hole, this patchhole has cross shape, and is to form like this, i.e. the middle part broad of patchhole, so that can easily being inserted into, retention tab inserts in the hole, and the sidepiece of patchhole is narrower, is fixed in wherein with the retention tab that will insert, and retention tab is positioned at two or more positions of each end of drag-line.

This structure can prolong the drag-line that keeps by fastening button, thereby first and second plates can be kept flat.

Second plate comprises: at least one extension spring, and it is positioned on the lower surface of second plate; Extended line, it is coupled to the lower end of extension spring and prolongs extension spring; And a plurality of pilot units, it is positioned on the lower surface of second plate, along pilot unit extended line being pulled to the upper surface of second plate, and is anchored on the leg rest frame.

This structure allows to draw the extended line that is fixed on the ankle, thereby tempers abdominal region or pin flesh.

Pilot unit comprises: first targeting part, and it is mounted to elastomeric element and aligns; And second targeting part, it is positioned at the outside of first targeting part, and vertically changes the direction of the extended line that is coupled to the elastomeric element lower end.In this case, first targeting part comprises: guide plate, and it is by at least one shore supports; And guide post, it is rotatably mounted between the guide plate, and the guiding extended line, and second targeting part comprises: a pair of first guide post, it is rotatably mounted between left guide plate and the right guide plate; And a pair of second guide post, it is rotatably mounted between preceding guide plate and the rear deflector, and is configured to vertical with first guide post.

According to this structure, extended line can be pulled to like a cork the upper surface of first plate, no matter the direction of drawing extended line is how, therefore the user can be taken exercises by one way or another.

The extended line of first plate has at least one retention tab, and so that a handle removably is coupled to extended line, and the precalculated position on handle forms patchhole, inserts in the hole so that retention tab is inserted into.And, provide bearing in the precalculated position that inserts in the hole, so that bearing is put into and be locked in to the retention tab of inserting.

According to the present invention, easily handle is removably installed on the extended line, so that can handle be coupled to the desired location of extended line as required.

The leg rest frame has circular shape, and comprise first fastening part that engages by hinge axis, and second fastening part, it has the rod locking tab, and the lug retainer, be used for when locking tab being put into the lug retainer, preventing that locking tab from moving up.In this case, precalculated position on first fastening part provides patchhole, so that with the head of the fastening bolt of second plate or be positioned at retention tab on each end of extended line of second plate and be inserted into and insert in the hole, this patchhole has cross shape, and be to form like this, it is its middle part broad, so that can easily being inserted into, the head of fastening bolt or retention tab insert in the hole, and sidepiece is narrower, inserts in the hole so that the retention tab of fastening bolt head that inserts or insertion can be put into or be locked in.

According to another embodiment of the present invention, first and second plates all can comprise a plurality of parts, and these parts can intercouple via coupling bar.This structure can be separated from each other all component, thereby can minimize its volume when depositing, moving or selling abdominal boards.

Description of drawings

Fig. 1 is the side view that shows the structure of traditional abdominal boards;

Fig. 2 is the perspective view according to the abdominal boards of the first embodiment of the present invention;

Perspective view when Fig. 3 is the sit-ups plate development of Fig. 2;

Fig. 4 is the face upwarding view of the abdominal boards of Fig. 3;

Fig. 5 is the decomposition diagram that shows hinge-unit according to the present invention;

Fig. 6 is the perspective view that shows handle according to the present invention;

Fig. 7 is the perspective view that shows the leg rest frame according to the present invention;

Fig. 8 is the partial, exploded perspective view of abdominal boards according to a second embodiment of the present invention;

Fig. 9 is the perspective view of the abdominal boards of a third embodiment in accordance with the invention;

Face upwarding view when Figure 10 is the sit-ups plate development of Fig. 9;

Figure 11 revises the perspective view that shows the leg rest frame according to of the present invention another;

Figure 12 to 15 is views that a third embodiment in accordance with the invention shows the use of abdominal boards.

The specific embodiment

The preferred embodiments of the present invention are described below with reference to accompanying drawings.

Fig. 2 is the perspective view according to the abdominal boards of the first embodiment of the present invention, the perspective view when Fig. 3 is the sit-ups plate development of Fig. 2, and Fig. 4 is the face upwarding view of the abdominal boards of Fig. 3.

As shown in the figure, abdominal boards 100 of the present invention comprises first plate 110, second plate 120 and drag-line 160.First plate 110 has the shape of rectangular slab, and user's trunk lies on first plate 110.Via hinge-unit 130 second plate 120 is coupled on first plate 110 being rotated down, and the bottom of health is placed on second plate 120.And drag-line 160 passes first and

second plates

110 and 120 each ends, and supports first and

second plates

110 and 120 with predetermined angle.

Extension spring 112 as elastomeric element vertically is provided along the middle part of first plate 110.And, the three pairs of extended lines 114,116 and 118 left and right sides from the lower surface of first plate 110 are pulled to its upper surface, and make it be spaced from each other predetermined interval.Extended line 114,116 and 118 is coupled to the lower end of extension spring 112, to prolong extension spring 112.Handle 140 ends of removably being coupled to extended line 114.

As shown in Figure 4, along a plurality of pilot units that provide on first plate, 110 lower surfaces extended line 114,116 and 118 is pulled to its upper surface.Pilot unit comprises guide plate 112a and is rotatably mounted in guide post 112b between the guide plate 112a.Pilot unit is installed on six positions in a position, left side at the middle part of first plate 110 and six positions on right side, so that at regular intervals top, centre and bottom extended line 114,116 and 118 are pulled to the upper surface of first plate 110.Especially, can additionally provide guide rod 112c on the mobile alignment of upper and lower extended

line

114 and 118, each guide rod 112c all has a guide groove.

Equally, the middle part along second plate 120 vertically provides extension spring 122.A pair of extended line 126 is pulled to the upper surface of the left and right sides of second plate 120.Extended line 126 is coupled to the lower end of extension spring 122, and prolongs extension spring 122.The end that leg rest frame 150 removably is coupled to extended line 126 easily.Reference symbol 124 expression fastening bolts, when the user did sit-ups under the situation that does not have others to help, it removably was fastened to leg rest frame 150 on second plate 120.

Similar with the extended line of first plate 120, by the extended line 126 of pilot unit along predetermined route guidance second plate 120.Pilot unit comprises guide plate 122a and is rotatably mounted in guide post 122b between the guide plate 122a.Pilot unit is provided in two positions in a position, left side at the middle part of second plate 120 and two positions on right side.And, guide rod 122c can be provided on the mobile alignment of extended line 126 extraly, each guide rod 122c all has a guide groove 122d.

In the end of first and

second plates

110 and 120, form

cable hole

110b and 120b, and drag-line 160 passes cable hole 110b and 120b.The two ends that keep drag-line 160 by fastening button 162.Middle part at fastening button 162 forms patchhole 162a, passes patchhole 162a so that be positioned at the retention tab 160a and the 160b at drag-line 160 two ends.

The shape of patchhole 162a is similar to cross shape.As shown in Figure 2, the middle part broad of patchhole 162a, so that

retention tab

160a and 160b can easily be inserted among the patchhole 162a, and the sidepiece 162b of patchhole 162a is narrower, breaks away from from patchhole 162a with retention tab 160a and the 160b that prevents to insert.And, can provide a bearing at each sidepiece 162b of patchhole 162a.

Owing to provide

retention tab

160a, 160b in two positions of drag-line 160 each end, therefore can suitably adjust the length of drag-line 160, with the situation (referring to Fig. 3) that keeps flat corresponding to abdominal boards 100 and angled situation of holding up in ground (referring to Fig. 2) or abdominal boards 100.And four positions on first and

second plates

110 and 120 form

cable guide groove

110a and 120a, with guiding drag-line 160 (referring to Fig. 4).This structure makes that first and second plates 110 can stably closely contact with ground with 120, as shown in Figure 3 when abdominal boards 100 launches.

Fig. 5 is the decomposition diagram that shows first and

second plates

110 and 120 hinge-units that intercouple 130.As shown in the figure, each end in first and

second plates

110 and 120 provides

hinge bracket

132 and 134, and hinge axis 136 is inserted in the

hinge bracket

132 and 134, so that first plate 110 is articulated in second plate 120.And, provide in a side of each hinge bracket 132 and to disturb edge 132a, rotate up to prevent first and

second plates

110 and 120.

Fig. 6 is the perspective view that shows handle 140 according to the present invention.As shown in the figure, the shape of handle 140 is similar to round-shaped.A certain position at handle 140 provides holding area 142.And, provide patchhole 144 in the another location of handle 140, be inserted into patchhole 144 so that will be arranged in

retention tab

114a, 116a, the 118a of long line 114,116,118 1 ends in the court of a feudal ruler.

The shape of patchhole 144 is similar to cross shape.As shown in Figure 6, the middle part 144a broad of patchhole 144 is so that

retention tab

114a, 116a, 118a can easily be inserted in the patchhole 144.On the contrary, as shown in Figure 6, the sidepiece 144b of patchhole 144 is narrower, undesirably breaks away from from patchhole 144 with

retention tab

114a, 116a, the 118a that prevents to insert.This patchhole 144 of handle 140 can easily be pulled down handle 140 from an end of extended line 114,116,118.Therefore, a handle removably can be coupled to that required in several extended lines 114,116 and 118 root extended line.

Fig. 7 is the perspective view that shows leg rest frame 150 according to the present invention.As shown in the figure, leg rest frame 150 has the such fastening structure of handcuffss.In detail, leg rest frame 150 comprises first and second fastening parts.Engage first fastening part by hinge axis 156.Second fastening part comprises rod locking tab 152 and lug retainer 154.Locking tab 152 is put into after the lug retainer 154, and lug retainer 154 can prevent that locking tab 152 from moving up.In this case, circular leg rest frame 150 itself has elasticity, so that open easily where necessary or the leg rest frame 150 that closes.But in case locking tab 152 is put into lug retainer 154, leg rest frame 150 just can not opened, even apply power along inside to its outside direction from second fastening part.

And the precalculated position on first fastening part forms patchhole 158, so that the retention tab that is arranged in each extended line 126 1 end can be inserted into patchhole 158.The shape of patchhole 158 is similar to cross shape.The middle part 158a broad of patchhole 158 is so that retention tab can easily be inserted in the patchhole 158.On the contrary, the sidepiece 158b of patchhole 158 is narrower, undesirably breaks away from from patchhole 158 with the retention tab that prevents to insert.Because patchhole 158 has the structure the same with handle 140 patchhole 144, so no longer describes patchhole 158 here in detail.

Fig. 8 is the partial, exploded perspective view of abdominal boards according to a second embodiment of the present invention.First embodiment has identical reference symbol with those elements that second embodiment has.The abdominal boards of second embodiment is characterised in that first and

second plates

210 and 220 include a plurality of parts, and these parts intercouple via coupling bar 212,222.In this case,

coupling bar

212 and 222 all can have assemblnig structure.If make abdominal boards by this way, then can abdominal boards deposit or sales process in minimize the volume of abdominal boards.

Can in first and

second plates

210 and 220, provide the current pipe of bar (not shown) extraly, so that

coupling bar

212 and 222 passes the current pipe of these bars.And the closed-end component by first and

second plates

210 and 220 supports the coupling bar 212 that passes the current pipe of bar and 222 lower end, undesirably breaks away to prevent

coupling bar

212 and 222.

Simultaneously, prolong drag-line 160, prevent that by drag-line 160

coupling bar

212 and 222 breaks away to flush configuration first and second plates 210 and at 220 o'clock.

Make first and second plates 210 and at 220 o'clock by injection molding, can reduce manufacturing cost, and reduce the weight of abdominal boards, so that abdominal boards can be moved on to another place like a cork.And when first and

second plates

210 and 220 included several sections, the intensity of this abdominal boards was greater than having first and second plates 210 of becoming one mutually and 220 abdominal boards.

The operation of the present invention of structure as mentioned above will be described below.

At first, will illustrate: strengthen upper abdomen or temper the upper body when (comprising arm and shoulder), the operation of abdominal boards when the user need do sit-ups referring to figs. 2 to 4.For this purpose, adjust hinge-unit 130, so that place first and

second plates

110 and 120 with predetermined angle.In order to keep this state, drag-line 160 is fastened on the fastening button 162.Simultaneously, the first retention tab 160a that will be arranged in drag-line 160 ends is inserted into the patchhole 162a of fastening button 162.Then, the first retention tab 160a is placed among the sidepiece 162b, breaks away from from patchhole 162a to prevent the first retention tab 160a.

Then, the head of each fastening bolt 124 of second plate 120 is inserted the middle part 158a of the patchhole 158 of each leg rest frame 150 shown in Figure 7, and before fixing fastening bolt 124, put into sidepiece 158b by the nut on the lower surface of second plate 120.After inserting two ankles in the corresponding leg rest frame 150, each locking tab 152 flexibly is fastened to relevant lug retainer 154.In case each locking tab 152 is put into lug retainer 154, each leg rest frame 150 just can not opened, even apply power along inside to its outside direction from fastening part, that is to say, the user promotes his or her pin, because each lug retainer 154 prevents that all locking tab 152 from moving up.

Therefore, all be fixed in two ankles in the leg rest frame 150 after, user's trunk lies on first plate 110.In this state, the user can repeatedly promote his or her trunk.Therefore, the user can do sit-ups like a cork, and need not others' help, thereby tempers the muscle of upper abdomen.

And, when trunk lies on first plate 110 and during handle 140, in conjunction with the extended lines 114 prolongation extension springs 112 of handle 140 couplings.Thereby can temper arm and shoulder muscle.Extended line 114 is pulled to the upper surface of first plate 110 along the pilot unit of the middle part that is positioned at first plate, 110 lower surfaces and the left and right sides.The advantage of this structure is, can temper arm and shoulder towards various directions according to the position of the extended line 114,116 that is drawn and 118.

140 removably are coupled to the end of extended line 114,116 and 118 owing to easily will shake hands, so handle 140 easily can be coupled to required extended line 114,116,118.Therefore, only need a pair of handle 140, thereby reduce manufacturing cost, and when moving or depositing abdominal boards, provide convenience for the user.

Cao Zuo abdominal boards helps to treat vertebra, stretching, extension waist and stimulates circulation as mentioned above.And abdominal boards of the present invention helps by the motion towards various directions of the muscle of sit-up exercise upper abdomen and arm and shoulder.

Simultaneously, when the user need be when carrying pin and temper abdominal region or pin flesh, the first retention tab 160a of drag-line 160 is unclamped from fastening button 162.The second retention tab 160b of drag-line 160 is fastened on the fastening button 162, so that first and

second plates

110 and 120 keep flat, as shown in Figure 3.Simultaneously, on the hinge bracket 132 that hinge-unit 130 1 sides provide, form and disturb edge 132a, thereby prevent that first and

second plates

110 and 120 from rotating up.

In this state, both feet are inserted corresponding leg rest frame 150.Then, the user is sitting on the abdominal boards, lie on the back or prostrate after, the user mentions his or her pin.Simultaneously, in conjunction with the extended line 126 of leg rest frame 150 coupling, prolong extension spring 122.Thereby, can exercising abdominal muscles or various pin flesh.In this case, along the pilot unit of the middle part that is positioned at second plate, 120 lower surfaces and the left and right sides extended line 126 is pulled to the upper surface of second plate 120.The advantage of Gou Zao abdominal boards is as mentioned above, can do the motion of strengthening abdominal muscle and pin flesh.

When the user finishes motion and wishes to deposit or during mobile abdominal boards, second plate 120 with respect to first plate 110 around hinge-unit 130 rotations.Therefore, the advantage of this abdominal boards is that it takies less space during storage, and moves easily.

Specifically, according to second embodiment shown in Figure 8, first and

second plates

210 and 220 include a plurality of parts that intercouple via coupling bar 212 and 222.This structure can be separated from each other all component, thereby can minimize its volume when depositing, moving or selling abdominal boards.

Below with reference to the Fig. 9 and the 10 explanation third embodiment of the present invention.Fig. 9 is the perspective view of the abdominal boards of a third embodiment in accordance with the invention, and the face upwarding view of Figure 10 when being sit-ups plate development shown in Figure 9.

Compare with other embodiment of the present invention, the abdominal boards of the 3rd embodiment is characterised in that, extension spring 312 is installed on the left and right sides of lower surface of first plate 310.Compare with the abdominal boards with an extension spring, this structure provides firm structure, in addition, makes the left part of health and the right part can split movement.

And the abdominal boards of this embodiment has a pair of extended line 316, and it is used to prolong extension spring 312, and second plate 320 does not have extension spring.This has simplified the structure of abdominal boards, thereby has simplified manufacture process and reduced manufacturing cost.

The reference symbol 400 expression treatment vertebras of Fig. 9, the drawstring of holding by the user when doing sit-ups or promoting trunk.Several position on drawstring 400 provides support ball 410.In order at regular intervals fulcrum ball 410 to be fixed in drawstring 400, can form screw hole in the precalculated position on each fulcrum ball 410, so that screw 412 can be fastened in the corresponding screw hole (referring to the local amplifier section C of Fig. 9).

With reference to figure 9, abdominal boards comprises handle 340.A certain position on each handle 340 provides holding area 342.And the another location on each handle 340 provides patchhole 344, is inserted into patchhole 344 (referring to the local amplifier section A of Fig. 9) so that will be arranged in the retention tab 316a of every extended line 316 ends.

The size and dimension of patchhole 344 can easily insert wherein each retention tab 316a.And a certain position in patchhole 344 provides half elliptic part 344a.Determine the size and dimension of half elliptic part 344a,, and need not to prevent that the retention tab 316a that inserts undesirably breaks away from so that half elliptic part 344a keeps retention tab 316a.A bearing 344b is provided on the top of semiellipse part 344a (referring to the local amplifier section B of Fig. 9).The patchhole 344 of each handle 340 can be pulled down handle 340 like a cork from an end of extended line 316, thereby makes a handle can be coupled to the desired location of every extended line 316.

Simultaneously, a plurality of retention tab 316a can be provided on every extended line 316, thereby allow various motions.That is to say that the retention tab 316a that is arranged in the primary importance on the upper surface of first plate 310 is used to prevent that extended line 316 from inserting first plate 310.And the first retention tab 316a by extended line 316 keeps each leg rest frame 350, thereby makes the user can temper pin (referring to Figure 13).And, can or highly use retention tab 316a (it is positioned at the second and the 3rd position of the upper surface of first plate 310) (referring to Figure 12 and 14) according to user's position.Simultaneously, the method that retention tab 316a is coupled to extended line 316 can adopt the method that fulcrum ball 410 is coupled to drawstring 400.

With reference to Figure 10, coupling bar 372 and extension spring 312 are provided on the lower surface of first plate 310 that comprises a plurality of parts, it is contained in respectively among current pipe 370 and the 312a, thereby increases the durability of product and good surface appearance is provided.And, paper tube can be provided in to hold among the current pipe 312a of extension spring 312, thereby minimize the noise that extension spring 312 overtimes produce.

The part that Figure 10 centre circle gets up is the partial enlarged view of pilot unit.With reference to accompanying drawing, pilot unit comprises first targeting part 380 and second targeting part 390.First targeting part 380 is mounted to corresponding extension spring 312 aligns.Second targeting part 390 is provided in the outside of the first corresponding targeting part 380, thereby vertically changes the direction with the extended line 316 of the end coupling of extension spring 312.

First targeting part 380 includes the guide plate 382 that supports by four pillars 384.And, guide post 386 is rotatably mounted between the guide plate 382, and guides every extended line 316.

After every extended line 316 passes the first relevant targeting part 380, vertically change the direction of extended line 316, so that guide extended line 316, thereby extended line 316 is pulled to the upper surface of first plate 310 by each second targeting part 390.Second targeting part 390 includes: a pair of first guide post 396, and it is rotatably mounted between the left and right sides guide plate 392 shown in Figure 10; And a pair of second guide post 398, before and after it is rotatably mounted between the guide plate 394 and be positioned at (as shown in figure 10) below first guide post 396, with perpendicular to first guide post 396.

Gou Zao each second targeting part 390 makes extended line 316 can be pulled to the upper surface of first plate 310 like a cork as mentioned above, no matter the direction of drawing extended line 316 how.Therefore, can the one way or another motion.

Figure 11 revises the perspective view that shows leg rest frame 350 according to of the present invention another.With reference to accompanying drawing, leg rest frame 350 comprises the main body 356 with patchhole 358.The

fastener member

352 and 354 of Velcro is provided in the end opposite of main body 356.

To be arranged in the patchhole 358 that each fastening bolt 324 on second plate 320 of Fig. 9 inserts each leg rest frame 350.Because the structure of patchhole 358 is the same with the patchhole 344 of above-mentioned handle 340, therefore no longer describe patchhole 358 here in detail.Reference symbol 358a represents half elliptic part 358a, and reference symbol 358b represents bearing.

Fastener member

352 and 354 is used for ankle is fastened to the main body of each leg rest frame 350.The advantage of Velcro product be no matter the size of ankle how, it can use.

Simultaneously, with reference to Figure 15, leg rest frame 350 can be installed on first plate 310.For this purpose, one or more pairs of fastening bolts 324 removably can be provided on first plate 310.In order to use this structure, the user is fastened to the pin of oneself on the corresponding leg rest frame 350, and prostrate lying down.In this case, user's trunk lies on second plate 320.In this state, by promoting trunk up and down, the user can do the back stretching routine.And, as shown in figure 15, provide two pairs or many during in different positions to fastening bolt 324, can leg rest frame 350 be installed according to user's height.

Figure 12 to 15 is views that a third embodiment in accordance with the invention shows the use of abdominal boards.The characteristics and the operation according to the abdominal boards of the 3rd embodiment of structure are described as mentioned above with reference to Fig. 9 to 15 below.

Temper upper abdomen or exercise when comprising the trunk of arm and shoulder when the user feels like doing sit-ups, the operation of abdominal boards can be described with reference to Figure 12.At first, adjust hinge-unit 330, so that place first and

second plates

310 and 320 with predetermined angle.In order to keep this state, drag-line 360 is fixed in fastening button 362.

In this state, before putting into bearing 358b, be inserted into the patchhole 358 of each leg rest frame 350 of Figure 11 by the head of each fixing fastening bolt of the nut (not shown) in second plate 320.Then, two ankles are inserted corresponding leg rest frame 350.According to the size of ankle, use the

fastener member

352 and 354 that provides on the leg rest frame 350 to adjust leg rest frame 350.

After leg rest frame 350, trunk lies on first plate 310 with fixed ankle.Then, by repeating to promote trunk, the user can do sit-ups like a cork, and need not others' help, thereby tempers the muscle of upper abdomen.

And, when trunk lies on first plate 310 and during handle 340, prolongs extension spring 312 (referring to Figure 10) in conjunction with the extended lines 316 with corresponding handle 340 couplings, thus the muscle of exercise arm and shoulder.The pilot unit that provides on the lower surface of first plate 310 pulls to extended line 316 upper surface of first plate 310.Simultaneously, second targeting part 390 of structure can be taken exercises by one way or another the user as mentioned above.

Cao Zuo abdominal boards of the present invention helps to treat vertebra, stretching, extension waist and stimulates circulation as mentioned above.And the advantage of this abdominal boards is, can finish by the motion of sit-up exercise upper abdomen muscle or the motion of arm and shoulder by one way or another.

Simultaneously, need be when carrying pin and temper abdominal region or pin flesh, as shown in figure 12, the first retention tab 360a of drag-line 360 is removed from fastening button 362, then, the second retention tab 360b of drag-line 360 is fastened to fastening button 362.Thereby, can flatly launch first and

second plates

310 and 320.

In this state, as mentioned above, leg rest frame 350 is fixed on the extended line 316.If desired, can use first or second retention tab on the upper surface that is positioned at first plate 310 to fix leg rest frame 350.Then, use

fastener member

352 and 354 fastening both feet (referring to Figure 11).In this state, the user sits down, lies on the back or be prostrate, carries pin then.

Simultaneously, prolong extension spring 312 (referring to Figure 10), thereby temper the muscle or the various pin flesh of abdominal region in conjunction with extended line 316 with 350 couplings of leg rest frame.In this case, the pilot unit that provides on the lower surface of first plate 310 pulls to extended line 316 upper surface of first plate 310.

And, as shown in figure 14, when the user when an end of first plate 310 is stood or is repeated to sit down and stands, he or she is towards the handle 340 of various directions pulling with extended line 316 couplings, thereby carries out various motions.

The advantage of Gou Zao abdominal boards is as mentioned above, and it has the simpler structure than first and second embodiment, and makes the user can do the muscle of exercise abdominal region and the motion of pin flesh.Because other advantages of the 3rd embodiment and operation are equal to or are similar to first and second embodiment, therefore no longer it are elaborated here.

Figure 15 has shown that the user uses abdominal boards according to the present invention to do the state of back stretching routine.As shown in figure 15, use and to fasten bolt 324 leg rest frame 350 is fastened on first plate 310.The user is prostrate lie down before, user's both feet are fixed on the leg rest frame 350.Simultaneously, user's trunk is placed on second plate 320.In this state, by promoting trunk up and down, the user can do the back stretching routine.This back stretching routine can be strengthened the bottom at back and abdominal muscle equably, thereby prevents backache.

Though the present invention discloses preferred embodiment for illustrative purposes, it will be understood by those skilled in the art that and on the basis that is being no more than described scope of the present invention of claims and purport, to carry out various modifications, interpolation and replacement.For example, this paper as elastomeric element, but can use various elastomeric elements such as rubber to replace extension spring extension spring.

Industrial usability

As mentioned above, the invention provides a kind of abdominal boards, it can be used for multiple use, for example, and vertebra Upper abdomen or abdominal region are tempered in treatment, and the motion at back (back stretching, extension), arm, pin and other positions.

And abdominal boards of the present invention can fold, and in light weight, therefore deposits easily and moves To another position. And the advantage of abdominal boards of the present invention is that it has simple structure, can Do various motions, and low price.

Claims

1. abdominal boards, it comprises:

First plate comprises:

At least one elastomeric element, it is positioned on the lower surface of first plate;

At least one extended line, it is coupled to an end of elastomeric element, and prolongs elastomeric element;

And a plurality of pilot units, it is positioned on the lower surface of first plate, extended line is pulled to the upper surface of first plate along pilot unit;

Second plate, it is coupled to first plate via hinge-unit in the mode that is rotated down, and the leg rest frame is removably installed on second plate;

And drag-line, it passes the end of first and second plates, and supports first and second plates with predetermined angle.

2. abdominal boards as claimed in claim 1, wherein, described elastomeric element comprises extension spring.

3. abdominal boards as claimed in claim 1 or 2, wherein, the two ends that keep drag-line by fastening button, and the middle part at fastening button forms patchhole, so that will be positioned at the retention tab of each end of drag-line is inserted into and inserts in the hole, described patchhole has cross shape, and be to form like this, it is the middle part broad of patchhole, so that can easily being inserted into, retention tab inserts in the hole, and the sidepiece of patchhole is narrower, is fixed in wherein with the retention tab that will insert, and described retention tab is positioned at two or more positions of each end of drag-line.

4. abdominal boards as claimed in claim 1 or 2, wherein, the extended line of first plate has at least one retention tab, removably be coupled on the extended line shaking hands, and the precalculated position on handle forms patchhole, insert in the hole so that retention tab is inserted into, and the precalculated position on patchhole provides bearing, so that retention tab is put into and is locked on the bearing.

5. abdominal boards as claimed in claim 1, wherein, described second plate comprises:

At least one extension spring, it is positioned on the lower surface of second plate;

Extended line, it is coupled to the lower end of extension spring, and prolongs extension spring;

And a plurality of pilot units, it is positioned on the lower surface of second plate, along pilot unit extended line pulled to the upper surface of second plate and to be fastened on the leg rest frame.

6. as claim 1 or 5 described abdominal boards, wherein, described leg rest frame has circular shape, and comprises:

First fastening part by the hinge axis joint;

And second fastening part, it comprises:

The rod locking tab;

And the lug retainer, be used for when locking tab is put into the lug retainer, preventing moving up of locking tab, wherein

Precalculated position on first fastening part provides patchhole, so that with the head of the fastening bolt of second plate or be positioned at retention tab on each end of extended line of second plate and be inserted into and insert in the hole, described patchhole has cross shape, and be to form like this, it is its middle part broad, insert in the hole so that the head of fastening bolt or retention tab can easily be inserted into, and sidepiece is narrower, inserts in the hole so that the retention tab of fastening bolt head that inserts or insertion can be put into and be locked in.

7. as claim 1 or 5 described abdominal boards, wherein, described leg rest frame comprises:

Main body;

And the fastener member of Velcro, it is positioned at the end opposite of main body, wherein, patchhole is provided in precalculated position on the main body, so that with the head of the fastening bolt of second plate or be positioned at retention tab on each end of extended line of second plate and be inserted into and insert in the hole, and provide bearing in the precalculated position that inserts in the hole, so that bearing is put into and be locked in to the retention tab of inserting.

8. abdominal boards as claimed in claim 1 or 2, wherein, first and second plates include a plurality of parts, and these parts intercouple together via coupling bar.

9. abdominal boards as claimed in claim 1 or 2, wherein, described pilot unit comprises:

First targeting part, it is mounted to elastomeric element and aligns;

And second targeting part, it is positioned at the first targeting part outside, and vertically changes the direction with the extended line of elastomeric element lower end coupling, wherein

First targeting part comprises:

Guide plate, it is by at least one shore supports;

And guide post, it is rotatably mounted between the guide plate, and the guiding extended line, and second targeting part comprises:

A pair of first guide post, it is rotatably mounted between the guide plate of the left and right sides;

And a pair of second guide post, it is rotatably mounted between the guide plate of front and back, and is configured to vertical with first guide post.

10. abdominal boards as claimed in claim 1 or 2, wherein, the extended line of first plate has at least one retention tab, removably be coupled on the extended line shaking hands, and the precalculated position on handle forms patchhole, be inserted into the retention tab that will be positioned at each end of extended line and insert in the hole, described patchhole has cross shape, and be to form like this, it is its middle part broad, insert in the hole so that retention tab can easily be inserted into, and its sidepiece is narrower, inserts in the hole so that the retention tab of inserting is put into and is locked in.

11. abdominal boards as claimed in claim 1 or 2, it further comprises:

One or more pairs of leg rest framves, it removably is fixed on first plate.