Foldable multifunctional flat bench
Technical field
The invention belongs to body-building apparatus technical field, is related to the improvement of flat bench, and specifically a kind of foldable multifunctional crouches
Push bracket.
Background technology
With the raising of people's living standard and health perception, body-building has been increasingly becoming the fashion sports of people,
Present various health and fitness facilitieses gradually initially enter ordinary people family.Traditional flat bench is generally the knot for the formula that is fixed as one
Structure, function is single, and each action will be equipped with corresponding functional component, and the structure of so whole apparatus will be more complicated, no
Foldable, space is also larger, and cost is higher, is not suitable for family and uses.And there is the large-scale body-building of flat bench etc.
Exercising device, complicated, space is big, cost higher, hardly enters the use of ordinary people family.
How to design a kind of function it is more, easy to stored collapsed, the folding that floor space is few and the relatively low suitable family of cost uses
Stacked flat bench, this is this area urgent problem to be solved.
The content of the invention
The present invention is the solution above problem existing in the prior art, there is provided a kind of foldable multifunctional flat bench, can facilitate
Quickly realize the conversion of three kinds of flat bench, board for lying on back and folded for storage states, floor space is less, easy to stored collapsed, and
Cost is relatively low, is more suitable for family's use.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of foldable multifunctional flat bench, including seat board, preceding base, rear base and two root posts, the preceding base and the seat
Front edge of board connects, and barbell supporting plate is set on two columns, it is characterised in that two columns are parallel to each other and lower end is equal
It is connected with the rear base in a manner of being adjusted by rotation, and the rear base and two columns is made by positioning inserted pin mechanism
Relative position is fixed, and two column lower ends are connected as one by transverse connecting pipe, in being cased with the transverse connecting pipe
Empty set, the hollow sleeve are connected with seat board rear end bottom surface, and limit the seat board around the horizontal stroke by limit bolt mechanism
Rotated to connecting tube.
Improvement to above-mentioned technical proposal:The rear base includes a transverse pipe and perpendicular two longitudinal pipes
It is formed by connecting, bolt intubation is respectively connected with one end of two longitudinal pipes, two longitudinal pipes is inserted close to the bolt
Offer jack on the side wall of pipe, the positioning inserted pin mechanism include the U-board that two column lower ends are respectively fixedly connected with,
Bolt and fastening screw, it is U-shaped sliding groove that the U-board is interior, and elongated slot, two institutes are symmetrical arranged on the two side of the U-board
State one end that longitudinal pipe sets bolt to be intubated to be inserted into respectively in the U-shaped sliding groove of the corresponding U-board, inserted with bolt and positioning
Pin is inserted into the bolt intubation and jack of the elongated slot in the U-board and the longitudinal pipe and realizes positioning respectively.
The further of above-mentioned technical proposal is improved:Seat board rear end bottom surface sets connecting plate, the limit bolt machine
Structure includes limit bolt, the two limit bolt holes set on the transverse connecting pipe and is connected to spacing on the connecting plate
Fixed plate, the limit bolt hole is corresponded in the spacing fixed plate and sets fixed jack, described in limit bolt insertion
The limit bolt hole on fixed jack and the transverse connecting pipe in spacing fixed plate, prevents the seat board from connecting around the transverse direction
Adapter rotates.
The further of above-mentioned technical proposal is improved:The seat board bottom surface sets bottom girder, the preceding bottom along its length
Seat is a transverse tube and the inverted T-shaped of a vertical tube vertical connection formation, and the riser upper end and one end of the longitudinal beam are fixed
Connection.
The further of above-mentioned technical proposal is improved:Link is set on the rear base, and the foldable multifunctional, which crouches, to be pushed away
The foot that frame configures two links and user's ankle part for being used to connect the rear base covers band.
The further of above-mentioned technical proposal is improved:Two columns are made of rectangular tube, are set on two columns
The bolt fixing hole of different height is put, bolt hole is set on the barbell supporting plate, the barbell supporting plate is fixed on institute with bolt
State on column, the barbell supporting plate connects safe stop hook.
The present invention compared with prior art the advantages of and good effect be:
The foldable multifunctional flat bench of the present invention, can be conveniently and efficiently by detachable connection and movable connection method
Realize the conversion of three kinds of flat bench, board for lying on back and folded for storage states, possess it is a variety of use function, also foldable for storage.Significantly
The space of family's storage is saved, when use also saves space.Since function is more, and cost is told somebody what one's real intentions are, and also mitigates purchase
The financial burden of buyer, especially suitable for being used in family room.
Brief description of the drawings
Fig. 1 is the structure diagram that foldable multifunctional flat bench of the present invention is folded into flat bench state;
Fig. 2 is the structure diagram that foldable multifunctional flat bench of the present invention is folded into board status of lying on the back;
Fig. 3 is that foldable multifunctional flat bench of the present invention is folded into folded storage position schematic diagram;
Fig. 4 is the amplification stereogram of the hollow sleeve in foldable multifunctional flat bench of the present invention;
Fig. 5 is the structure diagram that a secondary foot covers band in foldable multifunctional flat bench of the present invention.
In figure:1st, column;2nd, rear base;2.1st, link;3rd, bolt;4th, fastening screw;5th, hollow sleeve;5.1st, limit bolt
Hole;6th, transverse connecting pipe;7th, preceding base;8th, seat board;9th, barbell supporting plate;10th, safe stop hook, 11, limit bolt, 12, connecting plate,
13rd, spacing fixed plate, 14, bottom girder, 15, foot cover band.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing:
Referring to Fig. 1-Fig. 3, a kind of embodiment of foldable multifunctional flat bench of the present invention, including seat board 8, preceding base 7, rear base 2
And two root posts 1, preceding base 7 are connected with 8 front end of seat board.Barbell supporting plate 9 is set in two root posts 1, and two root posts 1 are mutually flat
Go and lower end is connected with rear base 2 in a manner of being adjusted by rotation, and rear base 2 and two root posts are made by positioning inserted pin mechanism
1 relative position is fixed.1 lower end of two root posts is connected as one by transverse connecting pipe 6, is cased with transverse connecting pipe 6 hollow
Set 5(It is two hollow sleeves 5 in the present embodiment), hollow sleeve 5 is connected with the rear end bottom surface of seat board 8, and passes through limit bolt mechanism
Limitation seat board 8 is rotated around transverse connecting pipe 6.
Specifically:Two root posts 1 are made of rectangular tube, and the bolt fixing hole of different height is set in two root posts 1,
Bolt hole is set on barbell supporting plate 9, barbell supporting plate 9 is fixed on column 1 with bolt, safety catch is also connected with barbell supporting plate 9
Hook 10.
Above-mentioned rear base 2 includes a transverse pipe and perpendicular two longitudinal pipes are formed by connecting, two longitudinal directions
Bolt intubation is respectively connected with one end of pipe, two longitudinal pipes offer jack on the side wall that the bolt is intubated,
Above-mentioned positioning inserted pin mechanism includes 1 lower end of the two root posts U-board, bolt 3 and the fastening screw 4 that are respectively fixedly connected with, in U-board
For U-shaped sliding groove, elongated slot is symmetrical arranged on the two side of U-board.Two longitudinal pipes set one end point that bolt is intubated
Be not inserted into the U-shaped sliding groove of the corresponding U-board, with bolt 3 and fastening screw 4 be inserted into respectively elongated slot in U-board with
And realize positioning in the bolt intubation and jack of 2 longitudinal pipe of rear base.
Above-mentioned 8 rear end bottom surface of seat board sets connecting plate 12, and above-mentioned limit bolt mechanism includes limit bolt 11, lateral connection
The two limit bolt holes 5.1 set on pipe 5 and the spacing fixed plate 13 being connected on the connecting plate 12, in spacing fixed plate
The limit bolt hole 5.1 is corresponded on 13 fixed jack is set.The fixation being inserted into limit bolt 11 in spacing fixed plate 13 is inserted
Limit bolt hole 5.1 on hole and transverse connecting pipe 6, prevents seat board 8 from being rotated around transverse connecting pipe 6.
Bottom girder 14 is set along its length in above-mentioned 8 bottom surface of seat board, and preceding base 7 vertically connects for a transverse tube and a vertical tube
The inverted T-shaped to be formed is connect, the riser upper end is fixedly connected with one end of longitudinal beam 14.
Referring to Fig. 4, to do sit-ups when pinions the ankle part and rear base 2 of user, in the transverse pipe of rear base 2
Link 2.1 is set, and the foot of two links 2.1 and user's ankle part for being used to connect rear base 2 of configuration covers band 15.Foot covers band 15
Made of fabric, there is a soft material interlayer in centre, low manufacture cost, when not used also less occupied space.
Referring to Fig. 5, hollow sleeve 5 and the structure design of transverse connecting pipe 6, cost is low, better function.Transverse connecting pipe 6 is in
Rotated in empty set 5, there will not be abrasion to tubing, can play a very good protection.
The foldable multifunctional flat bench of the present invention can conveniently and efficiently realize three kinds of flat bench, board for lying on back and folded for storage
The conversion of state.
Flat bench state:Foldable multifunctional flat bench shown in Fig. 1, is that 2 are extracted under the folded state shown in Fig. 3
Fastening screw 4, after rotating clockwise 180 °, is laid flat rear base 2, then extracts limit bolt 11, two root posts 1 is rotated to perpendicular
Straight state, then, 2 fastening screws 4 are inserted into the jack of 2 transverse pipe of rear base, limit bolt 11 are inserted into spacing solid
On fixed board 13 in fixed jack and corresponding limit bolt hole 5.1, use state changes into flat bench state.
Lie on the back board status:Foldable multifunctional flat bench shown in Fig. 2, be pass through under the folded state shown in Fig. 3 by
The fastening screw 4 of 1 lower end of two root posts is pulled up, and two longitudinal pipes of rear base 2 are rotated by 90 ° in U-shaped board, are pushed up to U-shaped
The other end of sliding groove, is then pinned with fastening screw 4, and such rear base 2 just becomes as a support perpendicular to seat board 8
Leg, finally, then covers band 15 by foot and hangs on the link 2.1 set on rear base 2, and the ankle as sit-ups function fixes dress
Put, be thus changed into board status of lying on the back.
Folded storage position:Shown in Fig. 3 for foldable multifunctional flat bench from shown in Fig. 2 lie on the back board status fold after
Storage configuration.Bolt 3 is first unclamped, fastening screw 4 is pulled out, shifts two longitudinal pipes of rear base 2 onto U-shaped sliding groove another
End, and collapsed forward, you can rear base 2 is accommodated in the lower part of seat board 8, finally, 2 fastening screws 4 are inserted into rear base 2
In the jack of transverse pipe.Make it that minimum volume be presented.
Certainly, it is limitation of the present invention that described above, which is not, and the present invention is also not limited to the example above, the art
Those of ordinary skill, in the essential scope of the present invention, the variations, modifications, additions or substitutions made should also belong to this hair
Bright protection domain.