CN218357145U

CN218357145U - Body-building apparatus is used in sit up

Info

Publication number: CN218357145U
Application number: CN202222721151.9U
Authority: CN
Inventors: 戎彦晓
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-01-24
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a body-building apparatus is used in sit up relates to body-building equipment technical field, including body-building apparatus main part, support for the sit up, fixedly connected with connecting block in the body-building apparatus main part is used in the sit up, the connecting block has been cup jointed through the screw in the outside of support, fixedly connected with mounting panel on the support, fixedly connected with sleeve on the mounting panel. The utility model provides a body-building apparatus is used in sit up, through being provided with parts such as limiting plate, threaded rod, fixture block, draw-in groove, the accessible rotates the threaded rod, makes the fixture block roll-off in the draw-in groove on the threaded rod drives the limiting plate, alright remove spacing to the connecting plate, alright adjust the connecting plate and the interval between the body-building apparatus main part is used in sit up, solved current body-building apparatus is used in sit up inconvenient when using and adjust its self length, can't be applicable to the problem of the user of different heights.

Description

Body-building apparatus is used in sit up

Technical Field

The utility model relates to a body-building equipment technical field especially relates to a body-building apparatus 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, and sports fitness equipment can be seen in districts and parks and at home. The utility model discloses a body-building apparatus for sit up according to special branch of academic or vocational study grant publication number CN216092096U, the loach carrying platform comprises a supporting bar, the solid fixed cylinder is installed through fixed disassembly body in the outside of bracing piece, the surface rotation of solid fixed cylinder installs the sleeve, the shape that telescopic one end is connected with backup pad and backup pad is convex, telescopic one side is kept away from to the backup pad is connected with the connecting plate, the inside of connecting plate is provided with angle adjustment mechanism, angle adjustment mechanism's bottom is connected with the connecting rod. The utility model discloses a dead lever slides from top to bottom in the outside of slide bar, is connected through solid fixed cylinder and sleeve rotation, can make dead lever and backup pad transfer suitable angle according to user's height, after adjusting, wave the crank, the crank drives the screw thread and rotates, makes the screw thread twist threaded hole, fixes dead lever and slide bar, reinforcing stability. The existing body-building equipment for sit-up is inconvenient to adjust the length of the body-building equipment when in use, cannot be suitable for users with different heights, and the leg pressing of the existing body-building equipment for sit-up can not be adjusted, so that the body-building equipment for sit-up is inconvenient to press the leg of the user when in use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a body-building apparatus is used in sit up has solved current body-building apparatus is used in sit up and has inconvenient when using adjusted its self length, can't be applicable to the user of different heights, and current body-building apparatus is used in sit up's leg pressing can not be adjusted, inconvenient technical problem who carries out the leg pressing to the user when using.

For solving the technical problem, the utility model provides a pair of body-building apparatus is used in sit up, including body-building apparatus main part, support for sit up, fixedly connected with connecting block in the body-building apparatus main part is used in the sit up, the connecting block has been cup jointed through the screw in the outside of support, fixedly connected with mounting panel on the support, fixedly connected with sleeve on the mounting panel, telescopic inside sliding connection has the slide bar, telescopic inside is provided with the spring, the one end fixedly connected with press leg of slide bar, the contact has the connecting plate in the body-building apparatus main part is used in the sit up, fixedly connected with extension plate on the connecting plate, the inside sliding connection of body-building apparatus main part is used in the sit up has the extension plate, be provided with adjustment mechanism on the connecting plate.

Preferably, one end of the spring is in contact with the sliding rod, the other end of the spring is in contact with the sliding rod, and the leg pressing piece can be driven to be attached to the leg of a user through the design of the spring.

Preferably, adjustment mechanism includes limiting plate, gag lever post, spacing ring, threaded rod, stopper, spacing groove, the last contact of connecting plate has the gag lever post, fixedly connected with gag lever post on the limiting plate, fixedly connected with spacing ring on the connecting plate, be connected with the threaded rod through the bearing on the limiting plate, there is the threaded rod inside of connecting plate through threaded connection, fixedly connected with stopper on the limiting plate, the spacing groove has been seted up in the body-building apparatus main part for the sit up, the inside sliding connection of spacing groove has the stopper, through adjustment mechanism's design, can conveniently adjust the position of connecting plate.

Preferably, the limiting plate is in contact with the limiting ring, the limiting plate is in contact with the body-building equipment body for sit-up, and the limiting plate can be driven to limit the limiting block to the connecting plate through the design of the limiting plate.

Preferably, the inside sliding connection of spacing ring has the gag lever post, the inside sliding connection of connecting plate has the gag lever post, through the design of gag lever post, can play limiting displacement to the limiting plate.

Preferably, the quantity of spacing groove is a plurality of, and is a plurality of the spacing groove evenly distributed in sit up uses body-building apparatus main part, through the design of spacing groove, can cooperate the stopper to carry on spacingly to the connecting plate.

Compared with the prior art, the utility model provides a pair of body-building apparatus for sit up has following beneficial effect:

the utility model provides a body-building apparatus is used in sit up, through being provided with parts such as limiting plate, threaded rod, fixture block, draw-in groove, the accessible rotates the threaded rod, makes the fixture block roll-off in the draw-in groove on the threaded rod drives the limiting plate, alright remove spacing to the connecting plate, alright adjust the connecting plate and the interval between the body-building apparatus main part is used in sit up, solved current body-building apparatus is used in sit up inconvenient when using and adjust its self length, can't be applicable to the problem of the user of different heights.

The utility model provides a body-building apparatus is used in sit up through being provided with parts such as sleeve, slide bar, spring, can make the spring drive leg pressing on the slide bar and human laminating, makes its better carry out the leg pressing to the user, and the leg pressing of having solved current body-building apparatus is used in sit up can not be adjusted, inconvenient technical problem to the user leg pressing when using.

Drawings

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

fig. 2 is a partial structural sectional view of fig. 1 of the present invention;

fig. 3 is an enlarged view of the structure of the part a in fig. 2 according to the present invention;

fig. 4 is a top cross-sectional view of fig. 1 of the present invention;

fig. 5 is an enlarged view of the structure of the part B in fig. 4 according to the present invention;

the reference numbers in the figures: 1. a body-building apparatus main body for sit-up; 2. connecting blocks; 3. a support; 4. mounting a plate; 5. a sleeve; 51. a slide bar; 52. a spring; 53. pressing legs; 6. a connecting plate; 61. an extension plate; 7. an adjustment mechanism; 71. a limiting plate; 72. a limiting rod; 73. a limiting ring; 74. a threaded rod; 75. a limiting block; 76. a limiting groove.

Detailed Description

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, a sit-up fitness apparatus, which comprises a sit-up fitness apparatus main body 1, a support 3, a connecting block 2 fixedly connected to the sit-up fitness apparatus main body 1, the connecting block 2 is sleeved outside the support 3 through a screw, a mounting plate 4 fixedly connected to the support 3, a sleeve 5 fixedly connected to the mounting plate 4, a sliding rod 51 slidably connected to the inside of the sleeve 5, a spring 52 disposed inside the sleeve 5, one end of the spring 52 contacting the sliding rod 51, the other end of the spring 52 contacting the sliding rod 51, the press leg 53 can be driven to fit the leg of a user by the design of the spring 52, the press leg 53 fixedly connected to one end of the sliding rod 51, a connecting plate 6 contacting the sit-up fitness apparatus main body 1, an extension plate 61 fixedly connected to the connecting plate 6, an extension plate 61 slidably connected to the inside of the sit-up fitness apparatus main body 1, and an adjusting mechanism 7 disposed on the connecting plate 6.

Referring to fig. 2, fig. 3, fig. 4, fig. 5, and the adjusting mechanism 7 includes a limiting plate 71, a limiting rod 72, a limiting ring 73, a threaded rod 74, a limiting block 75, and a limiting groove 76, the connecting plate 6 contacts with the limiting plate 71, the limiting plate 71 is fixedly connected with the limiting rod 72, the connecting plate 6 is fixedly connected with the limiting ring 73, the limiting plate 71 contacts with the body-building apparatus body 1 for sit-up, the limiting block 71 is designed to drive the limiting block 75 to limit the connecting plate 6, the limiting rod 72 is slidably connected inside the limiting ring 73, the limiting rod 72 is slidably connected inside the connecting plate 6, and the limiting plate 71 is limited by the design of the limiting rod 72.

Refer to fig. 2, fig. 3, fig. 4, fig. 5, be connected with threaded rod 74 through the bearing on the limiting plate 71, there is threaded rod 74 inside of connecting plate 6 through threaded connection, fixedly connected with stopper 75 on the limiting plate 71, spacing groove 76 has been seted up on the body-building apparatus main part 1 for the sit up, the inside sliding connection of stopper groove 76 has stopper 75, the quantity of stopper groove 76 is a plurality of, a plurality of spacing grooves 76 are evenly distributed on body-building apparatus main part 1 for the sit up, design through stopper groove 76, can cooperate stopper 75 to carry on spacingly to connecting plate 6, design through adjustment mechanism 7, can conveniently adjust the position of connecting plate 6.

The working principle is as follows: during the use, through rotating threaded rod 74, make threaded rod 74 and connecting plate 6 take place the screw motion, make threaded rod 74 drive limiting plate 71 and remove, make limiting plate 71 drive stopper 75 roll-off from the spacing groove 76 on the sit-up body-building apparatus main part 1, alright remove the spacing to connecting plate 6, alright remove connecting plate 6, make connecting plate 6 drive extension plate 61 slide in the sit-up body-building apparatus main part 1, alright adjust the interval between connecting plate 6 and the sit-up body-building apparatus main part 1, make it be applicable to the user of different heights, through then threaded rod 74, make threaded rod 74 drive stopper 75 on the limiting plate 71 slide again in the spacing groove 76 on the sit-up body-building apparatus main part 1, alright spacing connecting plate 6 after adjusting again. By moving the pressing leg 53 toward the mounting plate 4, the pressing leg 53 drives the sliding rod 51 to slide in the sleeve 5, and presses the spring 52, and then the leg is placed under the pressing leg 53, and then the pressing leg 53 is released slowly, so that the elastic force of the spring 52 drives the pressing leg 53 on the sliding rod 51 to press the leg of the user to fit.

Claims

1. The utility model provides a body-building apparatus for sit up, includes body-building apparatus main part (1), support (3) for sit up, its characterized in that, fixedly connected with connecting block (2) on body-building apparatus main part (1) for sit up, connecting block (2) have been cup jointed through the screw in the outside of support (3), fixedly connected with mounting panel (4) are gone up in support (3), fixedly connected with sleeve (5) are gone up in mounting panel (4), the inside sliding connection of sleeve (5) has slide bar (51), the inside of sleeve (5) is provided with spring (52), the one end fixedly connected with press leg (53) of slide bar (51), the contact has connecting plate (6) on body-building apparatus main part (1) for sit up, fixedly connected with extension plate (61) on connecting plate (6), the inside sliding connection of body-building apparatus main part (1) for sit up has extension plate (61), be provided with adjustment mechanism (7) on connecting plate (6).

2. An exercise machine for sit-up according to claim 1, wherein one end of the spring (52) is in contact with the sliding rod (51) and the other end of the spring (52) is in contact with the sliding rod (51).

3. The sit-up fitness apparatus according to claim 1, wherein the adjusting mechanism (7) comprises a limiting plate (71), a limiting rod (72), a limiting ring (73), a threaded rod (74), a limiting block (75) and a limiting groove (76), the limiting plate (71) is contacted on the connecting plate (6), the limiting plate (71) is fixedly connected with the limiting rod (72), the connecting plate (6) is fixedly connected with the limiting ring (73), the limiting plate (71) is connected with the threaded rod (74) through a bearing, the connecting plate (6) is internally connected with the threaded rod (74) through threads, the limiting plate (71) is fixedly connected with the limiting block (75), the sit-up fitness apparatus body (1) is provided with the limiting groove (76), and the limiting block (75) is slidably connected with the inner part of the limiting groove (76).

4. The sit-up fitness apparatus according to claim 3, wherein the limit plate (71) is in contact with the limit ring (73), and the limit plate (71) is in contact with the sit-up fitness apparatus body (1).

5. An exercise machine for sit-up according to claim 3, wherein the limiting ring (73) is internally slidably connected with a limiting rod (72), and the connecting plate (6) is internally slidably connected with a limiting rod (72).

6. An exercise machine for sit-up according to claim 3, wherein the number of the limiting grooves (76) is plural, and the plural limiting grooves (76) are uniformly distributed on the body (1) of the exercise machine for sit-up.