CN214860935U

CN214860935U - Body-building apparatus for sit-up

Info

Publication number: CN214860935U
Application number: CN202121144841.1U
Authority: CN
Inventors: 刘伟
Original assignee: ANHUI WATER CONSERVANCY TECHNICAL COLLEGE
Current assignee: ANHUI WATER CONSERVANCY TECHNICAL COLLEGE
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-26
Anticipated expiration: 2031-05-26

Abstract

The utility model relates to the technical field of fitness equipment, and discloses a fitness equipment for sit-up, which solves the problem that when the common fitness equipment for sit-up in the current life is used, the difficulty of using the equipment can not be adjusted, so that part of people can not exercise according to the difficulty suitable for themselves, and comprises a support plate, a back plate is fixedly arranged on the support plate, the support plate is positioned on the central axis of the bottom of the back plate, a front base rod is fixedly arranged at one end of the support plate, a linking block is rotatably arranged at the other end of the support plate, a support column is fixedly arranged at the end of the linking block far away from the support plate, a rear base rod is fixedly arranged at the bottom of the support column, and a fixed plate is fixedly arranged at the bottom of the support plate close to the linking block, the utility model can adjust the expansion amplitude between the support plate and the support column, thereby achieving the purpose of adjusting the height of the backboard on the equipment and ensuring that different people can adjust the device according to the people.

Description

Body-building apparatus for sit-up

Technical Field

The utility model belongs to the technical field of body-building equipment, specifically be a body-building equipment is used in sit up.

Background

Sit-up, a way to exercise the body, lie on the back, close the legs, lift the hands upward, contract with the abdominal muscles, swing the arms forward, quickly get a sitting position, continue bending the upper body forward, touch the foot surface with the hands, lower the head; then the sitting posture is restored, and the operation is continuously carried out; along with the improvement of living standard of people, the requirements of people on living quality are higher and higher, so that sports fitness equipment can be seen everywhere in a residential quarter or a park, wherein the sit-up exercise is a sport item liked by most people, and the item can effectively exercise muscles of each part of the body and achieve the effects of shaping the body and building the body.

But the body-building apparatus that is used for sit up that often sees in the present life still has some weak points when using, when using common sit up apparatus, because use different crowds, so just can appear that people of different age bracket, different physique require also to be different when using the apparatus, when doing sit up, the range of lying down is big more also difficult more, and common apparatus can not adjust it to it can be very inconvenient when using the apparatus exercise for some people.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a body-building apparatus is used in sit up, the effectual common body-building apparatus who is used for sit up in the present life of having solved can not use the adjustment of the degree of difficulty to the equipment when using for some people can not carry out the problem of taking exercise according to the degree of difficulty that is fit for oneself.

In order to achieve the above object, the utility model provides a following technical scheme: a body-building apparatus for sit-up comprises a support plate, a backrest plate is fixedly arranged on the support plate, and the supporting plate is positioned on the central axis of the bottom of the backrest plate, one end of the supporting plate is fixedly provided with a front base rod, and the other end of the supporting plate is rotatably provided with a connecting block, one end of the connecting block far away from the supporting plate is fixedly provided with a supporting column, the bottom of the supporting column is fixedly provided with a rear base rod, a fixing plate is fixedly arranged at the bottom of the supporting plate close to the connecting block, a fixing rod is fixedly arranged between the fixing plates, a rotatable adjusting rod is sleeved on the fixed rod, one end of the adjusting rod can rotate between the fixed plates by taking the fixed rod as a center, and the bottom end of the adjusting rod is fixedly connected with a connecting plate, four groups of limiting blocks are uniformly arranged on the side surface of the supporting column close to the supporting plate, and the connecting plate can be randomly connected between one of the four limiting blocks.

Further, the opening has been seted up on the linkage plate, and the through-hole has all been seted up to the both sides of four group's stoppers, be provided with the bolt on the stopper, and the one end of bolt runs through the through-hole on the stopper and the opening on the linkage plate, and the one end threaded connection that the bolt runs through stopper and linkage plate has the nut.

Furthermore, an auxiliary rod is fixedly arranged at the top of one end, close to the connecting block, of the supporting plate.

Furthermore, a notch is formed in the connecting block, a limiting rod is fixedly mounted inside the notch, and one end of the supporting plate is located in the notch in the connecting block and movably sleeved on the limiting rod.

Furthermore, the middle positions of the two sides of the supporting column are fixedly connected with connecting rods.

Furthermore, the outer parts of the front base rod, the rear base rod, the auxiliary rod and the connecting rod are all sleeved with protective sleeves.

Furthermore, the supporting plate and the backrest plate are both provided with upward radians.

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

when adjusting the equipment, first-selected bolt that needs will link up the board and stopper junction is twisted off, then the adjustment pole is connected with one of them stopper, after the position adjustment is good pass stopper and link up the board with the bolt again, and twist on the nut can, the regulation pole has the one end of linking up the board and is connected with the higher stopper in position, the expansion range between backup pad and the support column just is big more, the height of back board will be low more, people just less after the use device lies down the strength that comes to use again, the degree of difficulty just is little, otherwise the degree of difficulty is then big more, use the equipment to take exercise in order to make things convenient for different people.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the connection between the supporting plate and the supporting post of the present invention;

FIG. 3 is a schematic structural view of the connection between the adjusting rod and the supporting post of the present invention;

FIG. 4 is a schematic structural view of the connection between the adjusting rod and the side of the supporting post of the present invention;

fig. 5 is an enlarged schematic view of the utility model at a;

in the figure: 1. a support plate; 2. a back board; 3. a front base rod; 4. a joining block; 5. an auxiliary lever; 6. a support pillar; 7. a connecting rod; 8. a rear base rod; 9. adjusting a rod; 10. a fixing plate; 11. a connector tile; 12. a limiting block; 13. a bolt; 14. a nut; 15. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1-5, the utility model comprises a supporting plate 1, a backboard 2 is fixedly installed on the supporting plate 1, the supporting plate 1 is located on the central axis of the bottom of the backboard 2, a front base rod 3 is fixedly installed at one end of the supporting plate 1, a connecting block 4 is rotatably installed at the other end of the supporting plate 1, a supporting post 6 is fixedly installed at the end of the connecting block 4 far from the supporting plate 1, a rear base rod 8 is fixedly installed at the bottom of the supporting post 6, a fixing plate 10 is fixedly installed at the bottom of the supporting plate 1 near the connecting block 4, a fixing rod 15 is fixedly installed between the fixing plates 10, a rotatable adjusting rod 9 is sleeved on the fixing rod 15, one end of the adjusting rod 9 can rotate between the fixing plates 10 by taking the fixing rod 15 as the center, a connecting plate 11 is fixedly connected at the bottom end of the adjusting rod 9, four groups of limiting blocks 12 are uniformly installed at the side of the supporting post 6 near the supporting plate 1, and the connector tiles 11 may be connected between any one of the four stoppers 12.

Embodiment two, on the basis of embodiment one, seted up the opening on the linkage plate 11, and the through-hole has all been seted up to the both sides of four group's stoppers 12, be provided with bolt 13 on the stopper 12, and the one end of bolt 13 runs through the through-hole on the stopper 12 and the opening on the linkage plate 11, and bolt 13 runs through stopper 12 and the one end threaded connection who links up plate 11 has nut 14, can be through changing being connected of linkage plate 11 and different positions stopper 12 to make the expansion degree between adjustment backup pad 1 and the support column 6, thereby reach the purpose of adjustment equipment height.

In the third embodiment, on the basis of the first embodiment, an auxiliary rod 5 is fixedly arranged at the top of the supporting plate 1 close to one end of the connecting block 4.

Fourth embodiment, on the basis of first embodiment, seted up the breach on the linking piece 4, and the inside fixed mounting of breach has the gag lever post, and the one end of backup pad 1 is located the breach on linking piece 4 and the activity cup joints on the gag lever post, when adjusting the equipment height, can use the gag lever post to rotate as the center in the breach of backup pad 1 on linking piece 4.

Fifth, on the basis of the first embodiment, the middle positions of the two sides of the supporting column 6 are fixedly connected with the connecting rod 7, so that the connecting rod 7 can be hooked on the feet when the sit-up is performed, and the body can exert force conveniently.

Sixth embodiment, on the basis of first embodiment, the protective sheath has all been cup jointed to the outside of preceding base pole 3, back base pole 8, auxiliary rod 5 and connecting rod 7, and the protective sheath on preceding base pole 3 and the back base pole 8 can prevent that the equipment from causing the scratch to the floor ceramic tile, and the protective sheath on auxiliary rod 5 and the connecting rod 7 can protect the human body, avoids the scratch to the use comfort of equipment has been improved.

Seventhly, on the basis of the first embodiment, the supporting plate 1 and the backrest plate 2 are both provided with upward radians, so that the equipment is more suitable for the waist of a human body, and the exercise is more effective.

The working principle is as follows: when adjusting the equipment, firstly need to unscrew the bolt 13 of the junction of linking plate 11 and stopper 12, then rotate adjusting rod 9, make it rotate with dead lever 15 in the middle of fixed plate 10 as the center, then let adjusting rod 9 be connected with one of them stopper 12, pass through the through-hole on stopper 12 and the opening on linking plate 11 again with bolt 13 after position adjustment, and screw up nut 14 can, thereby change the expansion range between backup pad 1 and support column 6, the big more the range the degree of difficulty is less, the small more the range the degree of difficulty is big.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a body-building apparatus is used in sit up, includes backup pad (1), its characterized in that: the supporting plate (1) is fixedly provided with a backrest plate (2), the supporting plate (1) is positioned on a central axis of the bottom of the backrest plate (2), one end of the supporting plate (1) is fixedly provided with a front base rod (3), the other end of the supporting plate (1) is rotatably provided with a connecting block (4), one end, far away from the supporting plate (1), of the connecting block (4) is fixedly provided with a supporting column (6), the bottom of the supporting column (6) is fixedly provided with a rear base rod (8), the bottom, close to the connecting block (4), of the supporting plate (1) is fixedly provided with a fixed plate (10), a fixed rod (15) is fixedly arranged between the fixed plates (10), a rotatable adjusting rod (9) is sleeved on the fixed rod (15), one end of the adjusting rod (9) can rotate between the fixed plates (10) by taking the fixed rod (15) as a center, and a connecting plate (11) is fixedly connected to the bottom end of the adjusting rod (9), four groups of limiting blocks (12) are uniformly arranged on the side face, close to the supporting plate (1), of the supporting column (6), and the connecting plate (11) can be connected between one of the four limiting blocks (12) at will.

2. The sit-up exercise apparatus according to claim 1, wherein: the connecting plate is characterized in that an opening is formed in the connecting plate (11), through holes are formed in two sides of four groups of limiting blocks (12), bolts (13) are arranged on the limiting blocks (12), one ends of the bolts (13) penetrate through the through holes in the limiting blocks (12) and the opening in the connecting plate (11), and nuts (14) are connected to one ends of the bolts (13) penetrating through the limiting blocks (12) and the connecting plate (11) in a threaded mode.

3. The sit-up exercise apparatus according to claim 1, wherein: an auxiliary rod (5) is fixedly mounted at the top of one end, close to the connecting block (4), of the supporting plate (1).

4. The sit-up exercise apparatus according to claim 1, wherein: the connecting block (4) is provided with a notch, a limiting rod is fixedly arranged in the notch, and one end of the supporting plate (1) is positioned in the notch on the connecting block (4) and movably sleeved on the limiting rod.

5. The sit-up exercise apparatus according to claim 1, wherein: the middle positions of the two sides of the supporting column (6) are fixedly connected with connecting rods (7).

6. The sit-up exercise apparatus according to claim 1, wherein: the outer parts of the front base rod (3), the rear base rod (8), the auxiliary rod (5) and the connecting rod (7) are all sleeved with protective sleeves.

7. The sit-up exercise apparatus according to claim 1, wherein: the supporting plate (1) and the backrest plate (2) are both provided with upward radians.