CN206167759U - Sports training is with multi -functional sit up frame - Google Patents

Abstract

The utility model discloses a sports training is with multi -functional sit up frame, it contains bracing piece (1), and one pole setting (2) are installed to the upper end of this bracing piece (1), pole setting (2) on install positioning seat (3), the one side of this positioning seat (3) is installed and is connected complex backplate (4) rather than rotating, first dead lever (5) that are used for stationary use person's knee or foot ankle part are installed to the one end of backplate (4), holding regulator is installed to the other end of backplate (4), the bottom of bracing piece (1) install second dead lever (6) that are used for stationary use person's foot ankle part. The utility model discloses simple structure, convenient to use can realize taking exercise the purpose of position muscle such as chest, shank, arm on current sit -up machine's basis, great improvement holistic practicality, reduced holistic area, popularization in this field suits.

Description

Multifunctional sit-up frame for physical training

technical field

The utility model relates to the manufacturing field related to physical exercise equipment, in particular to a multifunctional sit-up frame for physical training.

Background technique

Although the common sit-ups on the market are varied, the overall structure and its use function are relatively single, and can only be exercised at the abdominal muscles, and relatively limited for some regional exercises associated with the abdominal muscles, such as the chest, Areas such as the legs need to purchase other exercise equipment separately, which not only increases the purchase cost of the user, but also takes up a large space, making it difficult to promote the whole set.

Utility model content

The purpose of the utility model is to provide a multifunctional sit-up frame for physical training, which can effectively solve the problems existing in the background technology.

In order to solve the existing problems in the background technology, it includes a support rod 1, a vertical rod 2 is installed on the upper end of the support rod 1, a positioning seat 3 is installed on the vertical rod 2, and a positioning seat 3 is installed on one side of the positioning seat 3. The backboard 4 that is connected and matched with its rotation; one end of the backboard 4 is equipped with a first fixed rod 5 for fixing the user's knee or ankle, and the other end of the backboard 4 is equipped with a support adjustment device. The bottom of the supporting rod 1 is equipped with a second fixing rod 6 for fixing the user's ankle, the upper end of the vertical rod 2 is provided with a third fixing rod 7, and the middle part of the supporting rod 1 is equipped with a positioning device, The locating device includes a locating tube 8, the locating tube 8 integrally fits with the support rod 1 in a clearance fit, and the outer circular surface of the locating tube 8 is provided with two locating nuts 9 screwed together with it, and the two locating nuts 9 The nuts 9 are clamped and fixed on both sides of the support rod 1 respectively. The end of the positioning tube 8 which is located near the end of the back plate 4 is equipped with an end cover 10 which is rotatably connected and matched with the end cover 10. An elastic device is fixed on the end cover 10. 11. The other end of the elastic device 11 passes through the positioning tube 8 and is fixedly connected to the pedal plate 12;

The bottom of the backboard 4 is provided with an adjusting disc 22, which is screwed and fixed on the lower bottom surface of the backboard 4 by bolts. The first rubber tube 13 is wound around the adjusting disc 22, and the first The two ends of the rubber tube 13 are respectively connected with the handle 14, and the two sides of the bottom surface of the back plate 4 are respectively provided with a positioning plate 15, and the positioning plate 15 is provided with a hole for the first rubber tube 13 to pass through;

The middle part of the third fixed rod 7 is vertically welded in the middle part of the installation pipe 16, the lower bottom surface of the installation pipe 16 is provided with an external thread screwed with the vertical rod 2, and the bottom of the installation pipe 16 is equipped with a The second rubber tube 17 , the other end of the second rubber tube 17 extends into the vertical rod 2 and is connected with the end of the support rod 1 .

Described support adjusting device comprises a first lug seat 18 that is installed on the bottom of backboard 4, and the support connecting rod 19 that it is rotationally connected with is installed on this first lug seat 18, and the other end of described support connecting rod 19 is connected with The limit seat 20 is rotated and connected, and the limit seat 20 is located on the side close to the support rod 1 and is equipped with a limit rod 21 that is rotated and connected with it. The two lugs 23 are rotatably connected and matched with the pedal board 12 .

One side of the support rod 1 is provided with a positioning nut 24 screwed to it, and the other end of the positioning nut 24 passes through the support rod 1 and is connected to the limit rod 21 .

A positioning pulley 25 is installed on one side of the pole 2 .

An included angle of 165-175° is set between the support rod 1 and the vertical rod 2 .

Due to the adoption of the above technical scheme, the utility model has the following beneficial effects: simple structure, easy to use, on the basis of existing sit-ups, the purpose of exercising the muscles of the chest, legs, arms, etc. The overall practicability reduces the overall footprint and is suitable for promotion in this field.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the bottom surface structure of the back plate part in the utility model.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the technical solutions in the utility model embodiment will be clearly and completely described below in conjunction with the accompanying drawings in the utility model embodiment.

Referring to Fig. 1-2, this specific embodiment is realized by adopting the following technical scheme, which includes a support rod 1, a vertical rod 2 is installed on the upper end of the support rod 1, and a positioning seat 3 is installed on the vertical rod 2, the One side of the positioning seat 3 is equipped with a backboard 4 that is connected and matched with its rotation; one end of the backboard 4 is installed with a first fixed rod 5 for fixing the user's knee or ankle, and the other end of the backboard 4 A support adjustment device is installed, the bottom of the support rod 1 is equipped with a second fixed rod 6 for fixing the user's ankle, the upper end of the vertical rod 2 is provided with a third fixed rod 7, the support rod 1 The middle part of the top is equipped with a positioning device, the positioning device includes a positioning tube 8, the positioning tube 8 is integrally fitted with the support rod 1, and the outer circular surface of the positioning tube 8 is provided with two The two positioning nuts 9 are clamped and fixed on both sides of the support rod 1 respectively. The end of the positioning tube 8 near the end of the back plate 4 is equipped with an end cover 10 that is rotatably connected to it. An elastic device 11 is fixed on the cover 10, and the other end of the elastic device 11 passes through the positioning tube 8 and is fixedly connected with the pedal board 12;

The bottom of the backboard 4 is provided with an adjusting disc 22, which is screwed and fixed on the lower bottom surface of the backboard 4 by bolts. The first rubber tube 13 is wound around the adjusting disc 22, and the first The two ends of the rubber tube 13 are respectively connected with the handle 14, and the two sides of the bottom surface of the back plate 4 are respectively provided with a positioning plate 15, and the positioning plate 15 is provided with a hole for the first rubber tube 13 to pass through;

The middle part of the third fixed rod 7 is vertically welded in the middle part of the installation pipe 16, the lower bottom surface of the installation pipe 16 is provided with an external thread screwed with the vertical rod 2, and the bottom of the installation pipe 16 is equipped with a The second rubber tube 17 , the other end of the second rubber tube 17 extends into the vertical rod 2 and is connected with the end of the support rod 1 .

Described support adjusting device comprises a first lug seat 18 that is installed on the bottom of backboard 4, and the support connecting rod 19 that it is rotationally connected with is installed on this first lug seat 18, and the other end of described support connecting rod 19 is connected with The limit seat 20 is rotated and connected, and the limit seat 20 is located on the side close to the support rod 1 and is equipped with a limit rod 21 that is rotated and connected with it. The two lugs 23 are rotatably connected and matched with the pedal board 12 .

One side of the support rod 1 is provided with a positioning nut 24 screwed to it, and the other end of the positioning nut 24 passes through the support rod 1 and is connected to the limit rod 21 .

A positioning pulley 25 is installed on one side of the pole 2 .

An included angle of 165-175° is set between the support rod 1 and the vertical rod 2 .

When carrying out sit-ups exercise, first adjust the backboard 4 to the corresponding height above the ground according to the required training intensity. To the required height, then tighten the positioning nut 24. Then the user's instep hooks the second fixed rod 6, and the inward bend of the knee fits the first fixed rod 5. The whole person can start exercising when lying down;

When carrying out sit-up exercise, the third fixed rod 7 can also be screwed and fixed on the vertical rod 2, the user's back of the foot fits the third fixed rod 7, and the back of the foot fits the first fixed rod 5 as a whole. People can start exercising when lying down;

When it is necessary to exercise the arm muscles, adjust the backboard 4 to be substantially flush with the ground, and then the operator can lie flat and pull the handle 14 with both hands. The tension degree of the first rubber tube 13 is realized, and the adjustment of the tension is realized;

When the leg muscles need to be exercised, the user lies flat on the backboard 4, and the legs bend the soles of the feet to repeatedly push the pedal board 12;

When it is necessary to exercise the chest muscles, unscrew the third fixed rod 7 as a whole, lie on the backboard 4 and pull the third fixed rod 7 repeatedly. In the process of pulling the third fixed rod 7, the second rubber tube 17 passes through positioning pulley 25 all the time, to prevent the edge place of vertical bar 2 from cutting off the second rubber tube 17.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention. and range.

Claims (5)

1. A multifunctional sit-up frame for physical training is characterized in that it comprises a support bar (1), and a vertical bar (2) is installed on the upper end of the support bar (1), on the described vertical bar (2) A positioning seat (3) is installed, one side of the positioning seat (3) is equipped with a backboard (4) which is connected and matched with its rotation; one end of the backboard (4) is installed with a The first fixed rod (5) of the backboard (4) is equipped with a support adjustment device, and the bottom of the support rod (1) is equipped with a second fixed rod (6) for fixing the user's ankle ), the upper end of the vertical rod (2) is provided with a third fixed rod (7), the middle part of the support rod (1) is equipped with a positioning device, the positioning device includes a positioning tube (8), the positioning The tube (8) is integrally fitted with the supporting rod (1) in a clearance fit, and the outer circular surface of the positioning tube (8) is provided with two positioning nuts (9) which are screwed and matched with it, and the two positioning nuts (9) ) are respectively clamped and fixed on both sides of the support rod (1), and the end of the positioning tube (8) near the end of the back plate (4) is equipped with an end cover (10) that is rotatably connected with it, and the end cover (10) is fixed with an elastic device (11), and the other end of the elastic device (11) passes through the positioning tube (8) and is fixedly connected with the pedal plate (12); The bottom of the backboard (4) is provided with an adjustment disc (22), which is screwed and fixed on the lower bottom surface of the backboard (4) by bolts, and the adjustment disc (22) is wound There is a first rubber tube (13), the two ends of the first rubber tube (13) are respectively connected with the handle (14), the two sides of the bottom surface of the back plate (4) are respectively provided with positioning plates (15), the The positioning plate (15) is provided with a hole that only passes through the gap of the first rubber tube (13); The middle part of the third fixed rod (7) is vertically welded to the middle part of the installation pipe (16), and the lower bottom surface of the installation pipe (16) is provided with an external thread screwed to the vertical rod (2). The bottom of the installation pipe (16) is equipped with a second rubber tube (17), and the other end of the second rubber tube (17) extends into the vertical rod (2) to be connected with the end of the support rod (1). 2. A kind of multifunctional sit-up frame for physical training according to claim 1, characterized in that said support adjustment device comprises a first ear seat (18) installed on the bottom of the backboard (4), the The first lug (18) is equipped with a support link (19) that is rotationally connected and matched with it, and the other end of the support link (19) is rotatably coupled with the limit seat (20), and the limit seat ( 20) A limit rod (21) is installed on one side close to the support rod (1) to rotate and cooperate with it, and the other end of the limit rod (21) passes through the support rod (1) and passes through the second lug ( 23) rotate and connect with the pedal board (12). 3. A kind of multifunctional sit-up frame for physical training according to claim 1, characterized in that one side of the support rod (1) is provided with a positioning nut (24) screwed to it, and the positioning nut The other end of (24) passes through support bar (1) and links to each other with limit bar (21). 4. The multifunctional sit-up frame for physical training according to claim 1, characterized in that a positioning pulley (25) is installed on one side of the pole (2). 5. A multifunctional sit-up frame for physical training according to claim 1, characterized in that an included angle of 165-175° is set between the support rod (1) and the vertical rod (2).