CN202777621U

CN202777621U - Waist straightening and abdomen strengthening device

Info

Publication number: CN202777621U
Application number: CN 201220401097
Authority: CN
Inventors: 胡江勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-14
Filing date: 2012-08-14
Publication date: 2013-03-13
Anticipated expiration: 2022-08-14

Abstract

The utility model discloses a waist straightening and abdomen strengthening device which comprises a back support (2), a cushion (4), a cushion support (7), a base seat (9) and a fixed seat (14). The cushion (4) is fixed on the cushion support (7), and the fixed seat (14) is fixed on the base seat (9). The back support (2) is hinged on the fixed seat (14), and a U-shaped seat (15) is fixedly arranged on the lower portion of the back support (2). The front portion of the cushion support (7) is fixed with a hinged support (5) which is hinged on the front portion of the base seat (9). A connection rod (16) is hinged between the rear portion of the cushion support (7) and the U-shaped seat (15), and a pull spring (10) is correspondingly connected between two sides of the cushion support (7) and the rear portion of the base seat (9). The waist straightening and abdomen strengthening device has the advantages of being simple and reasonable in structure, flexible and convenient to operate, stable and reliable in movement, suitable for people of all ages, and good in fitness effect, and having the function of push assistance, and the like.

Description

Endure the waist Stomach building device

Technical field

The utility model relates to a kind of body-building apparatus, particularly a kind of in the sit-ups training process the large very waist Stomach building device of motion amplitude.

Background technology

Development and scientific and technological progress along with society, operating pressure is increasing, society's dinner party is more and more, and trip mode is also progressively replaced by the modern means of communication, very little free participation body building, fitness constantly descends, brought many modern diseases, modal is the problem of abdominal obesity thereupon, and this not only affects personal image, and can increase the burden of cardio-pulmonary function, derive many angiocardiopathies.

In order to eliminate the abdominal obesity phenomenon, the most direct effective way is to perform physical exercise for belly, and the simplest, the easiest universal method is carried out sit-up movement exactly.Although existing sit-up trainer can reach the purpose of taking exercises, and also has the following disadvantages: the one, unreasonable structure, dipping and heaving is large during motion, and stationarity is poor, and volume is large, and packed and transported and collection are inconvenient; The 2nd, owing to there is not the elastic reset structure, can't adapt to different physique body builders' requirement, the weakling finishes sit-ups certain difficulty, namely enables to finish, but factor amount, deficiency of time, does not also have the effect of exercise.For this reason, many manufacturers and knowledgeable people develop specially and develop, but not yet have so far comparatively ideal product to emerge.

Summary of the invention

The defects that exists for overcoming existing sit-up trainer, the purpose of this utility model provide a kind of simple and reasonable, flexible operation is light, motion steadily reliable, body-building effect is good, very waist Stomach building device with boost function.

The utility model solves the problems of the technologies described above the technical scheme that adopts, it comprises back bracket, cushion, cushion bracket, base, holder, cushion is fixed on the cushion bracket, holder is fixed on the base, back bracket is hinged on the holder, the bottom of described back bracket is fixed with the U-shaped seat, front portion in cushion bracket is fixed with articulated stand, articulated stand is hinged on the front portion of base, be hinged with connecting rod between the rear portion of cushion bracket and the U-shaped seat, correspondingly between the rear portion of cushion bracket both sides and base be connected with extension spring.

Be fixed with the cushion limited block that matches with cushion bracket on the described base.

Described holder is provided with the locating hole that prevents back bracket layback and prevents that back bracket from bumping the spacing hole on ground, and the latch that matches with locating hole and spacing hole.

Hinged by detachable latch between described cushion bracket and the connecting rod.

Described back bracket is provided with headrest and a plurality of backrest collodion roller that rolls and contact with back of capable of regulating height.

After adopting said structure, compared with prior art have the following advantages.

The one, because mutually socket between headrest and the back bracket, back bracket and holder are hinged, and connecting rod is connected with cushion bracket by detachable latch, so detaching products and volume after folding are little, and the packing of product, transportation, collection make things convenient for.

The 2nd, the backrest collodion roller in the body-building process on the back bracket and headrest are close to body builder's back and are moved together, and during layback, back bracket and U-shaped seat promote cushion bracket by connecting rod and cushion travels forward and raise gradually cushion, and damping action is played in extension spring; When sitting up, body builder's center of gravity is on cushion, cushion bracket is by anti-U-shaped seat and the back bracket of pushing away of connecting rod, booster action is played in extension spring, can adapt to better the strength requirement of different groups, reach the effect that improves the health, can satisfy by the height of regulating headrest different height body builders' needs.

The 3rd, simple in structure, the operation effect is convenient, and cost is low, and ordinary consumer can both be accepted, and popularizes easily.

Description of drawings

Fig. 1 is the utility model master TV structure schematic diagram.

Fig. 2 is the utility model perspective view.

Fig. 3 is the utility model master's TV structure schematic diagram when lying on the back.

Fig. 4 is the utility model plan structure schematic diagram when lying on the back.

Wherein 1 rest the head on 2 back bracket, 3 backrest collodion rollers, 4 cushions, 5 articulated stands, 6 cushion limited blocks, 7 cushion bracket, 8 detachable latches, 9 bases, 10 extension springs, 11 latches, 12 locating holes, 13 spacing holes, 14 holders, 15U shape seat, 16 connecting rods.

The specific embodiment

Fig. 1 is to shown in Figure 4, be a kind of very specific embodiments of waist Stomach building device of the utility model, it comprises back bracket 2, cushion 4, cushion bracket 7, base 9, holder 14, cushion 4 is fixed on the cushion bracket 7, holder 14 is fixed on the base 9, back bracket 2 is hinged on the holder 14, described back bracket 2 is provided with headrest 1 and a plurality of backrest collodion roller 3 that rolls and contact with back of capable of regulating height, the bottom of described back bracket 2 is fixed with U-shaped seat 14, be fixed with articulated stand 5 in the front portion of cushion bracket 7, articulated stand 5 is hinged on the front portion of base 9, be hinged with connecting rod 16 between the rear portion of cushion bracket 7 and the U-shaped seat 15, hinged by detachable latch 8 between described cushion bracket 7 and the connecting rod 16, correspondingly between the rear portion of cushion bracket 7 both sides and base 9 be connected with extension spring 10.

Comfortable in order to guarantee cushion 4 height, be fixed with the cushion limited block 6 that matches with cushion bracket 7 on the described base 9.Assurance back bracket 3 is not swung back during for not body-building, and described holder 14 is provided with the locating hole 12 that prevents back bracket 2 layback and the latch 11 that matches with locating hole 12; Back bracket 3 contacts with ground in order to prevent from swinging back, and described holder 14 is provided with and prevents that back bracket 2 from bumping the spacing hole 13 on ground, and the latch 11 that matches with spacing hole 13.

As depicted in figs. 1 and 2, latch 11 is inserted on the locating hole 12 during the utility model initial position, and back bracket 2 cannot be swung back; When the needs exercise, from locating hole 12, extract and be inserted in latch 11 in the spacing hole 13, backrest collodion roller 3 during body-building on the back bracket 2 and headrest 1 are close to body builder's back and are moved together, during layback, back bracket 2 travels forward by U-shaped seat 15 drivening rods, 16 promotion cushion bracket 7 and cushion 5 and raises gradually cushion 4, and damping action is played in extension spring 10; When sitting up, body builder's center of gravity is on cushion 4, and cushion bracket 7 is by connecting rod 16 anti-U-shaped seat 15 and the back bracket 2 of pushing away, and work down with the elastic force one of extension spring 10 and to reset, booster action is played in extension spring 10, so just can easily do sit-ups, adapts to different quality body builders' strength requirement.Can satisfy by the height of regulating headrest 1 different height body builders' needs.

Claims

1. endure the waist Stomach building device for one kind, comprise back bracket (2), cushion (4), cushion bracket (7), base (9), holder (14), cushion (4) is fixed on the cushion bracket (7), holder (14) is fixed on the base (9), back bracket (2) is hinged on the holder (14), it is characterized in that: the bottom of described back bracket (2) is fixed with U-shaped seat (14), be fixed with articulated stand (5) in the front portion of cushion bracket (7), articulated stand (5) is hinged on the front portion of base (9), be hinged with connecting rod (16) between the rear portion of cushion bracket (7) and the U-shaped seat (15), correspondingly between the rear portion of cushion bracket (7) both sides and base (9) be connected with extension spring (10).

2. very waist Stomach building device according to claim 1 is characterized in that: be fixed with the cushion limited block (6) that matches with cushion bracket (7) on the described base (9).

3. very waist Stomach building device according to claim 1 and 2, it is characterized in that: described holder (14) is provided with the locating hole (12) that prevents back bracket (2) layback and prevents that back bracket (2) from bumping the spacing hole (13) on ground, and the latch (11) that matches with locating hole (12) and spacing hole (13).

4. very waist Stomach building device according to claim 3 is characterized in that: hinged by detachable latch (8) between described cushion bracket (7) and the connecting rod (16).

5. very waist Stomach building device according to claim 4, it is characterized in that: described back bracket (2) is provided with headrest (1) and a plurality of backrest collodion roller (3) that contacts with the back rolling of capable of regulating height.