CN211912599U

CN211912599U - Folding sit-up board

Info

Publication number: CN211912599U
Application number: CN202020347297.XU
Authority: CN
Inventors: 况宇翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-13
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a foldable sit up board, including the bearing mainboard, the avris position fixed mounting in the bearing mainboard outside has the buckle, the outside avris position movable mounting of bearing mainboard has adjustable extension board, through the mutual swing joint of threaded connection axle between bearing mainboard and the adjustable extension board, the avris position fixed mounting in the bearing mainboard bottom outside has the butt joint inserted block, connect the mutual swing joint of pivot through the one-level between bearing mainboard and the bearing medium plate, the up end fixed mounting of bearing mainboard has the one-level cushion, the inboard upper end position fixed mounting of adjustable extension board has the card foot bracing piece, the outside movable mounting of threaded connection axle has the fastening to adjust the swivel nut. This foldable sit up board through being three-section beta structure with global design, makes it can fold according to the specific in service behavior in the practical application in use and accomodates, has effectively promoted holistic result of use and working property, has enlarged holistic application scope.

Description

Folding sit-up board

Technical Field

The utility model relates to a diving equipment technical field specifically is a foldable sit up board.

Background

Sit-up, a way to exercise the body. Lying on the back, the two legs are closed, the two hands are lifted, the abdominal muscles are utilized to contract, the two arms swing forwards to quickly form a sitting posture, the upper body continues to bend forwards, the two hands touch the foot surface, the head is lowered, then the sitting posture is restored, and the continuous operation is carried out, and the sit-up plate is a sports apparatus specially used for sit-up exercise.

However, the existing sit-up board in the existing market has a fixed structure which is mostly integrated, is inconvenient to carry, and is difficult to satisfy different use requirements of different use conditions in practical application, so that the whole use effect and the working performance are affected by a larger degree, the whole occupied area is larger, and the sit-up board is inconvenient to place in unused idle time, so that the whole use functionality is limited by a larger degree, and the shortcoming of narrow whole application range is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foldable sit up board, with provide most formula fixed knot as an organic whole in solving above-mentioned background art, inconvenient carrying, be difficult to satisfy the different user demands of different in service behavior in the practical application use, so that holistic result of use and working property have received the influence of great degree, and whole area is great, inconvenient putting in the idle time that does not use, make holistic service function receive the restriction of great degree, thereby lead to the narrower problem of whole application scope.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a foldable sit up board, includes the bearing mainboard, the avris position fixed mounting in the bearing mainboard outside has the buckle, the outside avris position movable mounting of bearing mainboard has adjustable extension board, through the mutual swing joint of threaded connection axle between bearing mainboard and the adjustable extension board, the avris position fixed mounting in the bearing mainboard bottom outside has the butt joint inserted block, the inboard position movable mounting of bearing mainboard has the bearing medium plate, be connected the mutual swing joint of pivot through the one-level between bearing mainboard and the bearing medium plate, the up end fixed mounting of bearing mainboard has the one-level cushion, the inboard upper end position fixed mounting of adjustable extension board has the card foot bracing piece, the outside movable mounting of threaded connection axle has the fastening to adjust the swivel nut.

Preferably, the bearing main board and the bearing middle plate are cuboid hollow structures with the bottoms and the backs not closed, the width of the bearing main board is larger than that of the bearing middle plate, two buckles with the same specification are symmetrically and fixedly mounted on two sides of the outer side of the bearing main board, and meanwhile, the buckles are integrally of L-shaped structures.

Preferably, two adjustable support plates with the same specification are symmetrically and movably arranged on two sides of the outer portion of the bearing main plate, the adjustable support plates take the threaded connecting shaft as a rotating center on the outer portion of the bearing main plate, the outer diameter size of the threaded connecting shaft is matched with the inner diameter size of the fastening adjusting threaded sleeve, and meanwhile the outer threads of the threaded connecting shaft are matched with the inner threads of the fastening adjusting threaded sleeve.

Preferably, butt joint inserted block has two that the specification is the same at the avris position symmetry fixed mounting in the bearing mainboard bottom outside, and the upper end fixed mounting of bearing medium plate has the second grade cushion, the back movable mounting of bearing medium plate has whole storage plate that is cuboid solid construction, the bearing medium plate with accomodate between the board through the mutual swing joint of second grade connection pivot, the upper end fixed mounting who accomodates the board has tertiary cushion, and one-level cushion, second grade cushion and tertiary cushion all adopt the rubber material simultaneously, the up end of one-level cushion, second grade cushion and tertiary cushion is in same horizontal position, two jacks that the specification is the same have been seted up to the avris position of tertiary soft up terminal surface.

Preferably, the outside intermediate position fixed mounting of card foot bracing piece has the internal diameter size to coincide rather than the external diameter size and adopts the rubber material hold the cover, and the bilateral position symmetry fixed mounting in the second grade cushion outside has the same one-level of two specifications to connect the fixture block to connect interconnect between the pivot through one-level connection fixture block and one-level, the bilateral position symmetry fixed mounting in the storage plate outside has the same second grade of two specifications to connect the fixture block through the second grade, and interconnect between pivot is connected to fixture block and second grade, the upper end fixed mounting of storage plate has tertiary cushion, and the width size of storage plate is less than the width size of bearing medium plate simultaneously, the bilateral position symmetry fixed mounting of the inside upper end of storage plate has two specifications the same and hangs the rope at the corresponding elasticity of bearing mainboard outside mounted position with the buckle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the folding sit-up board is optimized and improved to a greater extent by combining the problems in the prior art, and can be folded and stored according to specific use conditions in practical application and use by designing the whole structure into a three-section folding structure, so that the use effect and the working performance of the whole structure are effectively improved;

2. this foldable sit up board hangs the rope through structural improvement and the bayonet socket of addding and elasticity, can effectively make this sit up board can carry out stable fixed work folding after accomodating, has reduced holistic area, can not lead to the fact the influence to the external world in the restriction time that does not use, has effectively enlarged holistic application scope on the basis of having richened whole comprehensive usability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of the structure of the stand bar of the present invention.

In the figure: 1. a load-bearing main board; 2. buckling; 3. an adjustable support plate; 4. a threaded connection shaft; 5. butting the inserting blocks; 6. a load-bearing middle plate; 7. the first stage is connected with the rotating shaft; 8. a first-level cushion; 9. a clamping leg supporting rod; 10. fastening the adjusting threaded sleeve; 11. a second-level cushion; 12. a first-stage connecting fixture block; 13. a storage plate; 14. the second stage is connected with the rotating shaft; 15. holding the sleeve; 16. a third-level cushion; 17. an elastic hanging rope; 18. the second stage is connected with a clamping block; 19. and (4) inserting the jack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a folding sit-up board comprises a bearing main board 1, a buckle 2, an adjustable support board 3, a threaded connecting shaft 4, a butt-joint insert block 5, a bearing middle board 6, a primary connecting rotating shaft 7, a primary cushion 8, a clamping foot support rod 9, a fastening adjusting screw sleeve 10, a secondary cushion 11, a primary connecting clamping block 12, a containing board 13, a secondary connecting rotating shaft 14, a holding sleeve 15, a tertiary cushion 16, an elastic hanging rope 17, a secondary connecting clamping block 18 and a jack 19, wherein the buckle 2 is fixedly arranged at the lateral side position of the outer side of the bearing main board 1, the adjustable support board 3 is movably arranged at the lateral side position of the outer side of the bearing main board 1, the bearing main board 1 and the adjustable support board 3 are movably connected with each other through the threaded connecting shaft 4, the butt-joint insert block 5 is fixedly arranged at the lateral side position of the outer bottom of the bearing main board 1, the bearing middle board 6 is movably arranged at the inner, the upper end surface of the bearing main board 1 is fixedly provided with a primary cushion 8, the upper end position of the inner side of the adjustable support plate 3 is fixedly provided with a clamping support rod 9, and the outside of the threaded connecting shaft 4 is movably provided with a fastening adjusting threaded sleeve 10;

furthermore, the bearing main board 1 and the bearing middle board 6 are both cuboid hollow structures with the bottoms and the backs not closed, the width dimension of the bearing main board 1 is larger than that of the bearing middle board 6, two buckles 2 with the same specification are symmetrically and fixedly arranged at two sides of the outer side of the bearing main board 1, and meanwhile, the whole buckle 2 is of an L-shaped structure, so that the reasonable stability of the whole structure is effectively ensured;

furthermore, two adjustable support plates 3 with the same specification are symmetrically and movably arranged on two sides of the outer part of the bearing main plate 1, the adjustable support plates 3 take the threaded connecting shaft 4 as a rotating center on the outer part of the bearing main plate 1, the outer diameter of the threaded connecting shaft 4 is identical to the inner diameter of the fastening adjusting threaded sleeve 10, and meanwhile, the outer threads of the threaded connecting shaft 4 are matched with the inner threads of the fastening adjusting threaded sleeve 10, so that the use effect and the working performance of the whole are effectively improved;

furthermore, two insertion blocks 5 with the same specification are symmetrically and fixedly installed at the side position of the outer side of the bottom of the bearing main board 1, a second-level cushion 11 is fixedly installed at the upper end of the bearing middle board 6, an accommodating board 13 which is integrally of a cuboid solid structure is movably installed at the back of the bearing middle board 6, the bearing middle board 6 and the accommodating board 13 are movably connected with each other through a second-level connecting rotating shaft 14, a third-level cushion 16 is fixedly installed at the upper end of the accommodating board 13, meanwhile, the first-level cushion 8, the second-level cushion 11 and the third-level cushion 16 are all made of rubber materials, the upper end faces of the first-level cushion 8, the second-level cushion 11 and the third-level cushion 16 are located at the same horizontal position, two insertion holes 19 with the same specification are formed in the side position;

furthermore, a holding sleeve 15 with the inner diameter size matched with the outer diameter size and made of rubber is fixedly arranged at the middle position outside the clamping foot supporting rod 9, two first-stage connecting clamping blocks 12 with the same specification are symmetrically and fixedly arranged at the two sides of the outer side of the second-stage cushion 11 and are mutually connected with the first-stage connecting rotating shaft 7 through the first-stage connecting clamping blocks 12, two second-stage connecting clamping blocks 18 with the same specification are symmetrically and fixedly arranged at the two sides of the outer side of the containing plate 13 and are mutually connected with the second-stage connecting rotating shaft 14 through the second-stage connecting clamping blocks 18, a third-stage cushion 16 is fixedly arranged at the upper end of the containing plate 13, the width size of the containing plate 13 is smaller than that of the middle plate 6, two elastic hanging ropes 17 with the same specification and corresponding to the mounting positions of the clamping buckles 2 at the outer side of the bearing, the application range of the whole is expanded on the basis of improving the comprehensive use performance of the whole.

The working principle is as follows: when the sit-up board is in a unfolding state during normal use, the upper end surfaces of the first-level cushion 8, the second-level cushion 11 and the third-level cushion 16 are in the same horizontal position, so that a user can keep the same horizontal height all the time when using the sit-up board to perform sit-up exercise, the sit-up board has better use experience and does not feel uncomfortable, the user can stretch feet into a gap generated between the foot clamping support rod 9 and the first-level cushion 8 and hook the foot clamping support rod 9 by the tiptoes, the continuous stability of the movement of the user in the sit-up process is ensured, when the sit-up board is stored, the storage board 13 can be overturned and folded into a preset empty groove at the bottom of the bearing middle board 6 by utilizing the movable connection relationship between the second-level connection rotating shaft 14 and the second-level connection clamping block 18, the bearing middle board 6 can be overturned and folded into the preset empty groove at the bottom of the bearing main board 1 by utilizing the movable connection relationship between the first-level connection rotating shaft, the butt joint insertion block 5 is correspondingly matched with an insertion hole 19 formed in the upper end face of the three-level cushion 16, finally, the containing plate 13 is stably pulled and hung on the buckle 2, the fastening adjusting screw sleeve 10 is rotated and conveyed, the position of the adjustable support plate 3 is adjusted, the holding sleeve 15 outside the clamping support rod 9 serves as a holding piece, the whole sit-up plate is lifted to move, and the whole application range is effectively expanded on the basis of improving the whole comprehensive use performance.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a foldable sit up board, includes the bearing mainboard, its characterized in that: the utility model discloses a bearing mainboard, including bearing mainboard, adjustable extension board, bearing mainboard, butt joint insert block, bearing mainboard, clamping support.

2. A folding sit-up board according to claim 1, wherein: the bearing main board and the bearing middle plate are cuboid hollow structures with the bottoms and the backs not closed, the width dimension of the bearing main board is larger than that of the bearing middle plate, two buckles are symmetrically and fixedly arranged on two sides of the outer side of the bearing main board and have the same specification, and meanwhile, the buckles are integrally L-shaped structures.

3. A folding sit-up board according to claim 1, wherein: two adjustable support plates with the same specification are symmetrically and movably arranged on two sides of the outer portion of the bearing main plate, the adjustable support plates take the threaded connecting shaft as a rotating center on the outer portion of the bearing main plate, the outer diameter size of the threaded connecting shaft is identical to the inner diameter size of the fastening adjusting threaded sleeve, and meanwhile the outer threads of the threaded connecting shaft are matched with the inner threads of the fastening adjusting threaded sleeve.

4. A folding sit-up board according to claim 1, wherein: butt joint inserted block has two that the specification is the same at the avris position symmetry fixed mounting in the bearing mainboard bottom outside, and the upper end fixed mounting of bearing medium plate has the second grade cushion, the back movable mounting of bearing medium plate has whole storage plate that is cuboid solid construction, the mutual swing joint of pivot is connected through the second grade between bearing medium plate and the storage plate, the upper end fixed mounting of storage plate has tertiary cushion, and one-level cushion, second grade cushion and tertiary cushion all adopt the rubber material simultaneously, the up end of one-level cushion, second grade cushion and tertiary cushion is in same horizontal position, two jacks that the specification is the same are seted up to the avris position of tertiary soft upper end face.

5. A folding sit-up board according to claim 4, wherein: the outside intermediate position fixed mounting of card foot bracing piece has the inner diameter size to coincide rather than the external diameter size and adopts the rubber material hold the cover, and the bilateral position symmetry fixed mounting in the second grade cushion outside has two one-level connection fixture blocks that the specification is the same to connect interconnect between fixture block and the one-level pivot through the one-level, the bilateral position symmetry fixed mounting in the storage plate outside has two second grade connection fixture blocks that the specification is the same to connect interconnect between fixture block and the second grade pivot through the second grade, the upper end fixed mounting of storage plate has tertiary cushion, and the width size of storage plate is less than the width size of bearing medium plate simultaneously, the bilateral position symmetry fixed mounting of the inside upper end of storage plate has two specifications the same and hangs the rope at the corresponding elasticity of bearing mainboard outside mounted position with the buckle.