CN2875518Y

CN2875518Y - Supination stand and sit body building stool

Info

Publication number: CN2875518Y
Application number: CNU2006200235968U
Authority: CN
Inventors: 杜鑫; 杜明华
Original assignee: Hebei University of Science and Technology
Current assignee: Hebei University of Technology; Hebei University of Science and Technology
Priority date: 2006-02-24
Filing date: 2006-02-24
Publication date: 2007-03-07
Anticipated expiration: 2016-02-24

Abstract

The utility model relates to a fitness-equipment, in particular to a sit-up fitness stool comprising a stool-surface, a stool-leg, a bottom-frame, an arc-mat, a foot blocking-part and a pull-rod. The two front stool legs are fixed with the stool-surface to form the fixed stool-leg and the two rear stool legs are detachably fixed with the stool-surface to form the movable stool-legs. The fixed stool-leg is higher than the movable stool-leg. The bottom-frame is formed by four standing pipes corresponding to the stool legs and the horizontal supporting-stick connected between standing pipes. The front standing pipes are higher than the rear ones. The bottom of fixed stool legs is connected with the front standing pipes through pin-axis and the bottom of movable stool legs is inserted into the rear standing pipes. A leaning pull-rod is arranged between the two movable legs and between the two rear standing pipes through the fixing pin of pull-rod. The foot blocking-part which can revolve around the horizontal supporting-stick is fixed on the horizontal supporting-stick at the front-end of bottom frame on both the vertical and horizontal position through pins. The concave-block is fixed on the horizontal supporting-stick at the rear end of bottom frame and the concave-block matches the protruding-pin fixed at the bottom of stool-surface. The stool can not only be used as a common stool but also can be used to carry out the sit-up exercise.

Description

Sit-ups body-building stool

Technical field:

The utility model relates to body-building apparatus, particularly a kind of sit-ups body-building stool.

Background technology:

Sit-ups are belly type one of the effective methods of losing weight, though the sit-ups body-building apparatus that uses has multiple at present, but these body-building apparatus all are special-purpose, generally all be installed in the body-building park of body-building venue or some sub-district, seldom there are these body-building apparatus in unit or family, have brought very big inconvenience with regard to the exercise of giving people like this.So, have a lot of belly type obese peoples can not utilize these equipment to perform physical exercise.

Summary of the invention:

It is few or use problem such as inconvenience that goal of the invention of the present utility model is intended to solve the present public body-building apparatus that can carry out sit-ups, and a kind of sit-ups exercise that can not only carry out is provided, and can work as the sit-ups body-building stool of stool seat.

The technical scheme that realizes the foregoing invention purpose is: this sit-ups body-building stool comprises stool face, stool leg, underframe, arc shape pad, foot block, pull bar, the fixedly connected with it formation of two stool legs of its front end of this stool face is the stool leg fixedly, two the stool legs in rear end are removable with it to connect and compose movable stool leg, fixedly the stool leg is low, movable stool leg height; This underframe by corresponding with the stool leg four standpipes be connected crossing between standpipe and constitute, preceding standpipe height, rear profile tube is low, the bottom of described fixedly stool leg is hinged by bearing pin and preceding standpipe upper end, described movable stool leg bottom is plugged in the rear profile tube, is provided with brace by the pull bar steady pin between two movable stool legs and two rear profile tubes; Crossing of this underframe front end is equipped with and can rotated and be separately fixed at vertically and the foot block of horizontal level by pin around crossing, and crossing of underframe rear end is fixed with recessed, and this recessed protruding pin bottom being fixed on the stool face cooperates.

According to the described sit-ups body-building of this case stool, look it is a rectangular stool from appearance, at ordinary times it is put at home or office, meeting room, lobby sit when stool; When needs are taken exercise, can become the sit-ups fitness equipment as long as this stool just adjusted a little, very easy to use, and have the body-building apparatus that is used for doing sit-up exercise now and compare and have the following advantages:

1. utilization rate height, the many usefulness of a stool not only can be used for office, had had a rest, but also can be used to take exercises;

2. convenient functional conversion, the adjustment time is short;

3. the application place is extensive, because the multifunctional body-building stool is a bench at ordinary times, so no matter be bedroom, parlor, the entrance hall of family, or the classroom of the office of unit, meeting room, lobby or middle and primary schools, universities and colleges can be laid;

When 4. taking exercise, the stool face is installed arc-shaped pad, so use more comfortable.

Description of drawings:

Fig. 1 is the structural representation of the utility model when using as stool.

Fig. 2 is the structural representation of the utility model when using as the sit-ups fitness equipment.

Fig. 3 for A among Fig. 1 to view (removing arc-shaped pad).

Fig. 4 for B among Fig. 1 to view (removing arc-shaped pad).

The specific embodiment:

Provide a specific embodiment of the present utility model below in conjunction with accompanying drawing.

The described sit-ups body-building of present embodiment stool by stool face 1, movable stool leg 2, rear profile tube 3, cross 4, arc-shaped pad 5, anti-skidding protruding pin 6, preceding standpipe 7, fixedly stool leg 8, foot block 9, bearing pin 10, pull bar steady pin 11, brace 12, protruding pin 13, pin 14, recessed 15, circular groove 16, roundlet hole 17 are formed.

The described stool face 1 of present embodiment is rectangle, it is connected and fixed with screw by surface plate and angle iron frame and forms, be provided with four roundlet holes 17 that are used to lay arc shape pad 5 above it, four pin are provided with the circular groove 16 that is connected with the stool leg below it, two stool legs of this stool face 1 its front end pass through fixedly stool leg 8 of the fixedly connected with it formation of this circular groove 16, two the stool legs in its rear end connect and compose movable stool leg 2 by this circular groove 16 is removable with it, and fixedly stool leg 8 is low, movable stool leg 2 height.

The described arc shape pad of present embodiment 5 its bottom surfaces are planes, and its upper surface is a cambered surface, are fixed with four on the bottom surface and can insert the anti-skidding protruding pin 6 in the roundlet hole 17 on the stool face 1.

The described underframe of present embodiment by four standpipes 3,7 corresponding with stool leg 2,8 be connected crossing between standpipe and 4 constitute, preceding standpipe 7 height, rear profile tube 3 is low, described fixedly stool leg 8 bottoms are hinged by bearing pin 10 and preceding standpipe 7 upper ends, described movable stool leg 2 bottoms are plugged in the rear profile tube 3, are provided with brace 12 by pull bar steady pin 11 between two movable stool legs 2 and two rear profile tubes 3; The crossing of underframe front end is equipped with on 4 and can rotated and be separately fixed at the foot block 9 of vertical and horizontal level by pin 14 around crossing 4, and crossing of underframe rear end is fixed with recessed 15 on 4, and this recessed 15 cooperates with the protruding pin 13 that is fixed on stool face 1 bottom.

When the utility model used as stool, movable stool leg 2 lower ends were inserted in the underframe rear profile tube 3, and the upper end is inserted in the circular groove 16 of stool face 1 rear end.In order to strengthen the stability of stool, with brace 12 connection activity stool leg 2 and underframe rear profile tubes 3.Foot block 9 usefulness pins 14 are fixed on the upright position, at this moment just have been assembled into a rectangular stool, arc-shaped pad 5 is placed on crossing on 4 of underframe bottom.

When the utility model uses as the sit-ups fitness equipment, earlier the pull bar steady pin 11 of brace 12 is pulled out, lift stool face 1 rear end, take off movable stool leg 2, stool face 1 rear end is put down, make two protruding pins 13 of stool face 1 rear end be inserted in underframe and cross 4 in top two recessed 15.Pin 14 is taken off, foot block 9 puts down and is horizontal level, fixing with pin 14 again, then arc shape pad 5 is placed on the stool face 1, and the anti-skidding protruding pin 6 insertion stool faces 1 top roundlet below the arc shape pad 5 is cheated in 17, to prevent that arc shape pad 5 slides when taking exercise, so just formed the sit-ups body-building apparatus, at this moment the person taking exercise is sitting in the front end of stool face 1, bipod be placed on foot block 9 below, just can do sit-up exercise.

Claims

1, a kind of sit-ups body-building stool comprises stool face, stool leg, underframe, arc shape pad, foot block, pull bar, it is characterized in that:

A, the fixedly connected with it formation of two stool legs of its front end of stool face be the stool leg fixedly, and two the stool legs in rear end are removable with it to connect and compose movable stool leg, and fixedly the stool leg is low, movable stool leg height;

B, underframe by corresponding with the stool leg four standpipes be connected crossing between standpipe and constitute, preceding standpipe height, rear profile tube is low, the bottom of described fixedly stool leg is hinged by bearing pin and preceding standpipe upper end, described movable stool leg bottom is plugged in the rear profile tube, is provided with brace by the pull bar steady pin between two movable stool legs and two rear profile tubes;

Crossing of c, underframe front end is equipped with and can rotated and be separately fixed at vertically and the foot block of horizontal level by pin around crossing, and crossing of underframe rear end is fixed with recessed, and this recessed protruding pin bottom being fixed on the stool face cooperates.

2, sit-ups body-building stool according to claim 1, it is characterized in that the stool face is rectangle, it is connected and fixed with screw by surface plate and angle iron frame and forms, and is provided with four little round pools that are used to lay arc shape pad above it, and four pin are provided with the circular groove that is connected with the stool leg below it.

3, sit-ups body-building stool according to claim 1 is characterized in that its bottom surface of arc shape pad is the plane, and its upper surface is a cambered surface, is fixed with four on the bottom surface and can inserts the anti-skidding protruding pin in the little round pool on the stool face.