CN203828445U

CN203828445U - Chair for doing sit-up

Info

Publication number: CN203828445U
Application number: CN201420129408.4U
Authority: CN
Inventors: 许小江
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2014-03-21
Filing date: 2014-03-21
Publication date: 2014-09-17
Anticipated expiration: 2024-03-21

Abstract

A chair for doing sit-up belongs to the field of physical fitness equipment structures. The chair for doing sit-up comprises a backrest, armrests, jackets, a seat cushion, hinge shafts, foot arms, weight-bearing blocks, foot braces, chair legs, rubber sleeves, springs, a frame and support arms, the chair legs are of a herringbone shape for supporting the frame, the rubber sleeves sleeve the chair legs for preventing slipping, foot arms are mounted to the front portion of the frame through the hinge shafts, the weight-bearing blocks, are mounted at the lower ends of the foot arms, the foot braces are mounted on both side of the lower ends of the foot arms for pressing feet, the support arms are mounted on the back portion of the frame through the hinge shafts, the springs are mounted to the front ends of support arms, the other ends of the springs are fixed to the chair legs for enabling the support arms to automatically reset, the seat cushion is mounted on the frame, the backrest is mounted on the support arms, both the backrest and the seat cushion are detachable, the armrests are arranged on both left and right sides of the frame, and the jackets sleeve the armrests for preventing hand scratching. Therefore, the chair for doing sit-up solves the problems of gradual pain and ache of joints and cervical vertebra as well as listless feeling of the white-collar due to all day sitting during working and no complete time for physical fitness.

Description

A kind of chair of doing sit-ups

Technical field

The utility model relates to a kind of chair of doing sit-ups, belongs to physical fitness device structure field.

Background technology

Fast development along with interchangeable manufacturing degree, being engaged in blue-collar people reduces gradually, office civilian and supervisory engineering staff increase gradually, under the social paces of modern fast pace, make people have to hurry in all day study and work, working is in face of unit is almost sitting in computer, After Hours because health is relatively tired, sit in the chat of seeing a film in face of computer evening, can extract hardly the complete time out and go out and take exercises, each joint of human body, cervical vertebra all can be ached and easy listless the feeling fatigue of people in the course of time.In order to address this problem, need to develop a can staying at home or the new sports body-building equipment that takes exercises in right amount private office space, applicability is extensive, simple in structure, extremely easy to use.

Summary of the invention

The purpose of this utility model is to provide a kind of chair of doing sit-ups.

Problem to be solved in the utility model is that working white collar is almost seated can extract the complete time out and go out to take exercises and cause in the course of time each joint, cervical vertebra to be ached and easy downhearted problem all day.

For realizing the purpose of this utility model, the technical solution adopted in the utility model is:

A kind of chair of doing sit-ups, comprise backrest, handrail, sheath, cushion, twisted axis, pin arm, variable weights, heel brace, chair pin, rubber sleeve, spring, skeleton and arm rest, described skeleton is made steel construction by Q235 steel, it under skeleton, is chair pin, chair pin becomes " people " font structure skeleton to be propped up so that stressed, on chair pin, overlapping rubber sleeve prevents from skidding, before skeleton, by twisted axis, pin arm is housed, pin arm can rotate around twisted axis, variable weights is equipped with in pin arm lower end, variable weights is detachable, presser feet when both sides, pin arm lower end are equipped with heel brace to do sit-ups, after skeleton, by twisted axis, arm rest is housed, arm rest can rotate around twisted axis, arm rest front end is equipped with spring, the spring other end is fixed on chair pin so that arm rest automatically resets, cushion is housed above skeleton, backrest is housed on arm rest, backrest and cushion are all detachable, arm rest and cushion are spliced by polylith to change, the skeleton left and right sides is handrail, the outer surface cover of handrail has sheath to prevent staff scratch.

Described handrail is SUS304 stainless steel hollow circular-tube material; Variable weights combines by 5, and every weight of variable weights equals 3KG.

The utility model has the advantages that: the design of chair brand new has not only met the function of common chair, met the function that can take exercises simultaneously, chair in conjunction with the action of doing sit-ups by its minute arm rest and the large rotatable parts of strand arm two, spring can automatically reset arm rest to make people's cervical vertebra to be subject to partial reaction power simultaneously and tempers joint, on pin arm, designed heel brace and variable weights make chair more hommization sit that for a long time to meet all ages and classes structure be alone the health that performs physical exercise, on chair pin, set up rubber sleeve and prevented from skidding when doing sit-ups.

Accompanying drawing explanation

Fig. 1 is a kind of chair overall structure figure that does sit-ups of the utility model;

Fig. 2 is a kind of chair keel frame structure figure that does sit-ups of the utility model;

In figure: 1, backrest 2, handrail 3, sheath 4, cushion 5, twisted axis 6, pin arm 7, variable weights 8, heel brace 9, chair pin 10, rubber sleeve 11, spring 12, skeleton 13, arm rest.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is further described.

A kind of chair of doing sit-ups of the utility model, comprise backrest 1, handrail 2, sheath 3, cushion 4, twisted axis 5, pin arm 6, variable weights 7, heel brace 8, chair pin 9, rubber sleeve 10, spring 11, skeleton 12 and arm rest 13, described skeleton 12 is made steel construction by Q235 steel, skeleton is for 12 times chair pin 9, 9 one-tenth " people " font structures of chair pin prop up skeleton 12 so that stressed, on chair pin 9, overlapping rubber sleeve 10 prevents from skidding, before skeleton 12, by twisted axis 5, pin arm 6 is housed, pin arm 6 can rotate around twisted axis 5, detachable variable weights 7 is equipped with in pin arm 6 lower ends, variable weights 7 combines every weight by 5 and equals 3KG and take exercise to meet the people of different physical efficiencys, presser feet when pin arm 6 both sides, lower end are equipped with heel brace 8 to do sit-ups, skeleton 12 is equipped with arm rest 13 by twisted axis 5 below, arm rest 13 can rotate around twisted axis 5, arm rest 13 front ends are equipped with spring 11, spring 11 other ends are fixed on chair pin 9 so that arm rest 13 automatically resets, skeleton 12 is equipped with cushion 4 above, backrest 1 is housed on arm rest 13, backrest 1 and cushion 4 are all detachable, arm rest 13 and cushion 4 are spliced by polylith to change, skeleton 12 left and right sides are the handrail 2 that SUS304 stainless steel hollow circular-tube material is made, the outer surface cover of handrail 2 has sheath 3 to prevent staff scratch.

The utility model using method: people is sitting in for a long time and feels tired on chair or ache while wanting to take exercises, the locking nut of rotating shaft can be unclamped, variable weights 7 is arranged on pin arm 6, after taking chair, just can carry out sit-up movement, according to the situation of self physical efficiency, regulate the weight of variable weights 7 and the stroke of spring 11, just can complete good exercise plan; Therefore the utlity model has and can stay at home or take exercises in right amount private office space, applicability is extensive, the advantage such as simple in structure, extremely easy to use.

Claims

1. the chair that can do sit-ups, comprise backrest (1), handrail (2), sheath (3), cushion (4), twisted axis (5), pin arm (6), variable weights (7), heel brace (8), chair pin (9), rubber sleeve (10), spring (11), skeleton (12) and arm rest (13), it is characterized in that: described skeleton (12) is made steel construction by Q235 steel, skeleton (12) is lower is chair pin (9), chair pin (9) becomes " people " font structure, the upper cover of chair pin (9) rubber sleeve (10), skeleton (12) is front is equipped with pin arm (6) by twisted axis (5), pin arm (6) can rotate around twisted axis (5), variable weights (7) is equipped with in pin arm (6) lower end, variable weights (7) is detachable, heel brace (8) is equipped with in pin arm (6) both sides, lower end, skeleton (12) is equipped with arm rest (13) by twisted axis (5) below, arm rest (13) can rotate around twisted axis (5), arm rest (13) front end is equipped with spring (11), spring (11) other end is fixed on chair pin (9), skeleton (12) is equipped with cushion (4) above, backrest (1) is housed on arm rest (13), backrest (1) and cushion (4) are all detachable, arm rest (13) and cushion (4) are spliced by polylith, skeleton (12) left and right sides is handrail (2), the outer surface cover of handrail (2) has sheath (3).

2. a kind of chair of doing sit-ups according to claim 1, is characterized in that: described handrail (2) is SUS304 stainless steel hollow circular-tube material.

3. a kind of chair of doing sit-ups according to claim 1, is characterized in that: described variable weights (7) combines by 5, and every weight of variable weights (7) equals 3KG.