CN204910610U - Multi -functional tensile chair - Google Patents

Abstract

The utility model provides a multi -functional tensile chair, contains a support element, a drive unit, a seatpad unit and a back of the chair unit. This support element includes a body frame, a base, two foot rests and a fixing base. This drive unit includes a pin joint in the foot rest lever of this base front end, pin joint in the linkage of this foot rest lever, and the seatpad connecting rod of this linkage of pin joint and this fixing base. This seatpad unit includes that a pivot locates the pin joint seat of this seatpad connecting rod, and one set up in the seatpad of this pin joint seat. This back of the chair unit includes a back of the chair frame of connecting this seatpad connecting rod, and the back of the chair that this back of the chair put up is located to a pivot. The utility model discloses an application of force is in this foot rest lever, this linkage of interlock and this seatpad connecting rod, and by a position of sitting position transformation to the position of marking time to via rotating this back of the chair backward, arrive a sit up position and a tensile position, when this tensile position, the peak of this back of the chair is a little less than this seatpad.

Description

Multifunctional stretching chair

Technical field

The utility model relates to a kind of seat, particularly relates to a kind of multifunctional stretching chair.

Background technology

Modern payes attention to increasingly for the idea of health care, wherein, body-building has become a kind of emerging motion mode, along with the development and progression of modern science and technology, the body-building apparatus carrying out parts of body training for auxiliary user also arises at the historic moment, such as: treadmill, treadmills, abdominal boards ... Deng, but, most body-building apparatus can only be used for the training program of carrying out single kind, and same equipment cannot be utilized to carry out the training at multiple position for user, in addition, bulky due to most of body-building apparatus, if consumer buys and is positioned in family, more many interior spaces can be taken when not using, general popular desire to purchase is caused to reduce, indirectly make most common people can only be reached the object of training by the mode of upper gymnasium, and body-building cannot be carried out at home voluntarily.

In addition, in above-mentioned body-building apparatus, user, when operating abdominal boards, mainly relies on the strength of waist to be lifted by the upper part of the body of layback, but user is the excessive force because the angle of swinging back is excessive often, causes pulling of waist muscle.

Summary of the invention

The purpose of this utility model is that providing a kind of has multi-motion modes and the multifunctional stretching chair that can use as general seat.

The utility model multifunctional stretching chair, comprises a support unit, gear unit, a seat cushion unit and a chair back unit.

This support unit comprise a body frame defining a folding space, one to be arranged at bottom this body frame and the base extended forward, several foot rest extended back by this body frame respectively, an and holder being arranged at this body frame and adjacent top end.

This gear unit comprise a foot-driven lever being articulated in this pan frontward end, one be articulated in this foot-driven lever and the connection rod set in this folding space can be slided on, and the seat cushion link of two ends this connection rod set of pivot joint and this holder respectively.

This seat cushion unit comprises the pin joint seat that is hubbed at this seat cushion link front end, and a seat cushion being arranged at this pin joint seat.

This chair back unit comprises one and connects this seat cushion link and the chair back rack upwards bending extension, and one is hubbed at this chair back rack and is positioned at the chair back at this seat cushion rear.

This seat cushion unit and this chair back unit can via forcing in this foot-driven lever, this connection rod set of interlock and this seat cushion link, and to be marked time position by a sitting posture evolution to, again via this chair back that rotates backward, arrive a sit-ups position and a stretch position, when this sit-ups position, this chair back is micro-to retreat, when this stretch position, this chair back turns to peak a little less than this seat cushion.

Multifunctional stretching chair described in the utility model, this connection rod set has a first connecting rod be articulated with this foot-driven lever, and the second connecting rod of two ends difference this first connecting rod of pivot joint and this seat cushion link.

Multifunctional stretching chair described in the utility model, this seat cushion link has this second connecting rod of pivot joint and can slide on the up-and-down rod portion in this folding space, and one connects this up-and-down rod portion and the horizon bar portion of two ends difference this holder of pivot joint and this pin joint seat.

Multifunctional stretching chair described in the utility model, this horizon bar portion has two separately and the connecting rod section of two ends respectively this holder of pivot joint and this pin joint seat, and this seat cushion link is in rotation process, and the permanent maintenance of described connecting rod section is parallel to each other.

Multifunctional stretching chair described in the utility model, this chair back rack has two and is arranged at the both sides in this horizon bar portion respectively and the bent portion in L-type, and this chair back is hubbed at the top of described bent portion.

Multifunctional stretching chair described in the utility model, this gear unit also comprises one and extends to this first connecting rod by this base rear end and have the flexible member of elastic-restoring force, and this elastic-restoring force can assist this seat cushion unit and this chair back unit to be reset to this sitting posture position.

Multifunctional stretching chair described in the utility model, this foot-driven lever have a transverse direction be arranged in this connection rod set and this pan frontward end axle portion, one by the outward extending treadle portion of this axle portion, two be arranged at intervals at this axle portion and there is the spacer portion of a chute respectively, and transverse direction is arranged in this connection rod set and two ends are slidedly arranged on the backstay portion of described chute respectively.

Multifunctional stretching chair described in the utility model, this treadle portion is U-shaped, and this foot-driven lever also has the anti-slip section that is arranged at this front end, treadle portion.

Multifunctional stretching chair described in the utility model, this seat cushion unit also comprises one and is horizontally set at this seat cushion bottom surface and the handle being positioned at this pin joint seat front, this handle has the banking stop portion that a retractable handle tube portion and two are arranged at intervals at this handle tube portion, this pin joint seat has the stopper slot that two are formed at both sides respectively, described banking stop portion can be arranged in described stopper slot, and this pin joint seat cannot be rotated.

Multifunctional stretching chair described in the utility model, this chair back has one and bends backward and be the abutment face of cambered surface.

The beneficial effects of the utility model are: by arranging this gear unit, user can via forcing in this foot-driven lever downwards, this connection rod set of interlock and this seat cushion link, and utilize the characteristic that this chair back can rotate, make this seat cushion unit and this chair back unit can by this sitting posture evolution to this position of marking time, this sit-ups position or this stretch position, reach the effect of multi-motion modes, and the utility model also can use as general seat, has the advantage do not taken up space.

Accompanying drawing explanation

Fig. 1 is a stereogram, and an embodiment of the utility model multifunctional stretching chair is described;

Fig. 2 is a stereogram, and another visual angle of the present embodiment is described;

Fig. 3 is a side view of the present embodiment;

Fig. 4 is a partial perspective view, and a gear unit of the present embodiment and the mode of connection of a seat cushion unit and a chair back unit are described;

Fig. 5 is an enlarged partial isometric view, illustrates that two banking stop portions of a handles of the present embodiment are arranged in two stopper slots of this pin joint seat respectively, only shows the situation that one of them banking stop portion is arranged in this corresponding stopper slot in figure;

Fig. 6 is a using state schematic diagram, illustrate the present embodiment be positioned at one mark time position time, the operational scenario of user;

Fig. 7 is a using state schematic diagram, when illustrating that the present embodiment is positioned at a sit-ups position, and the operational scenario of user;

Fig. 8 is a using state schematic diagram, when illustrating that the present embodiment is positioned at a stretch position, and the operational scenario of user;

Fig. 9 is a using state schematic diagram, and the situation that the present embodiment uses as general seat is described.

Detailed description of the invention

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

Consult Fig. 1 to Fig. 4, an embodiment of the utility model multifunctional stretching chair comprises a support unit 2, gear unit 3, seat cushion unit 4 and a chair back unit 5.

This support unit 2 comprises one and to arrange and the body frame 21, defining a folding space 211 is arranged at bottom this body frame 21 and the base 22, two extended forward is extended back and the foot rest 23 launched in the opposite direction by this body frame 21 respectively in upright, and a holder 24 being arranged at this body frame 21 and adjacent top end.

This gear unit 3 is a quadric chain, and comprise a foot-driven lever 31, being articulated in this base 22 front end and be articulated in this foot-driven lever 31 and the seat cushion link 33 of connection rod set 32, two ends that can slide on this folding space 211 this connection rod set 32 of pivot joint and this holder 24 respectively, and one extends to the flexible member 34 of this connection rod set 32 by this base 22.

This foot-driven lever 31 has a transverse direction and is arranged in this connection rod set 32 and is stretched out by this axle portion 311 with the axle portion 311, of this base 22 front end and be that 312, two, the treadle portion of U-shaped is arranged at intervals at 313, one, spacer portion transverse direction that this axle portion 311 also has a chute 316 respectively and is arranged in this connection rod set 32 and two ends are slidedly arranged on the backstay portion 314 of described chute 316 respectively, and an anti-slip section 315 being arranged at this front end, treadle portion 312.

When this foot-driven lever 31 rotates, this axle portion 311 can drive described spacer portion 313 to rotate, when the inwall that described spacer portion 313 turns to described chute 316 abuts against in this backstay portion 314, this backstay portion 314 and this connection rod set 32 can be driven, and then this seat cushion link 33 of interlock.

This connection rod set 32 is a double connecting rod, and has a first connecting rod 321 be articulated with this foot-driven lever 31, and the second connecting rod 322 of this first connecting rod 321 of two ends difference pivot joint and this seat cushion link 33.

This flexible member 34 extends to this first connecting rod 321 by this base 22 rear end, and has elastic-restoring force.

This seat cushion unit 4 comprises the seat cushion 42 that a pin joint seat 41, being hubbed at this seat cushion link 33 front end is arranged at this pin joint seat 41, and one is horizontally set at this seat cushion 42 bottom surface and is positioned at the handle 43 in this pin joint seat 41 front.

This seat cushion link 33 has this second connecting rod 322 of a pivot joint and can slide on the up-and-down rod portion 331 in this folding space 211, and one connects this up-and-down rod portion 331 and the horizon bar portion 332 of this holder 24 of two ends difference pivot joint and this pin joint seat 41.

This horizon bar portion 332 has two separately and the connecting rod section 333 of two ends respectively this holder 24 of pivot joint and this pin joint seat 41, it is worth mentioning that, this seat cushion link 33 is in rotation process, described connecting rod section 333 perseverance keeps being parallel to each other, and the line of the pivoting point of described connecting rod section 333, this holder 24 and this pin joint seat 41 perseverance keeps the aspect of a parallelogram.

This chair back unit 5 comprises one and connects this horizon bar portion 332 of this seat cushion link 33 and upwards bend the chair back rack 51 of extension, and one is hubbed at this chair back rack 51 and is positioned at the chair back 52 at this seat cushion 42 rear.

This chair back rack 51 has two and is arranged at the both sides in this horizon bar portion 332 respectively and the bent portion 511 in L-type, and this chair back 52 is hubbed at the top of described bent portion 511.This chair back 52 has one and bends backward and be the abutment face 521 of cambered surface, for the formation of a larger reclined by angle.

Consult Fig. 5, this handle 43 has the banking stop portion 432 that a retractable handle tube portion 431 and two are arranged at intervals at this handle tube portion 431, this pin joint seat 41 has the stopper slot 411 that two are formed at both sides respectively, when the present embodiment uses as general seat (see Fig. 9), described banking stop portion 432 can be arranged in described stopper slot 411, this pin joint seat 41 cannot be rotated, and this chair back 52 can not occur in the situation taking hypsokinesis in process, and then promote security when taking.

Consult Fig. 3, Fig. 4 and Fig. 6, during practical operation, the present embodiment is positioned over a horizontal plane 9, this seat cushion unit 4 and this chair back unit 5 are positioned at a sitting posture position, user 8 rides on this seat cushion 42, and both feet are positioned over this anti-slip section 315 of this foot-driven lever 31, and utilize both hands to be stretched in the opposite direction in this handle tube portion 431, described banking stop portion 432 is made to depart from the described stopper slot 411 of this pin joint seat 41, now, this foot-driven lever 31 is forced in downwards by both feet, this foot-driven lever 31 is made to turn to this horizontal plane 9 contiguous along a direction as shown in arrow A in Fig. 3, and this connection rod set 32 of interlock and this seat cushion link 33, rise to drive this seat cushion 42, and make this chair back rack 51 along one as being in reverse to the direction rotation of the arrow B of this arrow A in Fig. 3, and drive this chair back 52 to tilt backwards, this seat cushion unit 4 and this chair back unit 5 to be marked time position by this sitting posture evolution to.

Now, user 8 utilizes the strength of both legs to support weight above the waist, and resist this elastic-restoring force of this flexible member 34, when going down on one's knees, this foot-driven lever 31 along one as arrow A in Fig. 6 ' shown in direction rotate, and this connection rod set 32 of interlock and this seat cushion link 33, the direction of ' arrow B ' is rotated to make this chair back rack 51 be in reverse to this arrow A along one, and drive this seat cushion 42 to drop to original height, and complete the circulation of action of once marking time, and to repeat the action of going down on one's knees and stretching both legs, reach the effect of training leg muscles, it should be noted that, in motion process, this handle 43 of the hands grasping of user 8, to maintain the balance of health.

It is worth mentioning that, carry out above-mentioned mark time action time, user 8 ride on this seat cushion 42 position can affect the size of both legs force, when the position taken is more when the front end of this seat cushion 42, the pivoting point of this foot-driven lever 31 of the centroidal distance of user 8 and this connection rod set 32 is nearer, according to lever principle, this moment large for stretching the strength expended needed for both legs from the state of going down on one's knees, on the contrary, when the position taken is more when the rear end of this seat cushion 42, the strength expended needed for both legs is then less, therefore, user 8 can via the intensity changing the position adjusting training taken.

Consult Fig. 3 and Fig. 7, when being positioned at this sitting posture position, user 8 can force in this foot-driven lever 31 downwards, this foot-driven lever 31 is rotated along the direction of this arrow A, and drive this seat cushion 42 to rise, and this chair back rack 51 is rotated along the direction of this arrow B, again by above the waist to swinging back and abutting against this abutment face 521 in this chair back 52, and then according to the hypsokinesis degree of demands of individuals by this chair back 52 of back force adjustment, this seat cushion unit 4 and this chair back unit 5 is made to arrive a sit-ups position, now, user 8 utilizes both legs force to make this chair back 52 maintain the state of a hypsokinesis, the action of sit-ups can be repeated, reach the effect of training waist muscle group.

It is worth mentioning that, in the process that the upper part of the body lifts by user 8, except relying on the strength of waist, buttocks can also be used to press this seat cushion link 33 downwards, and utilize this elastic-restoring force of this flexible member 34, this seat cushion unit 4 auxiliary and this chair back unit 5 are reset to this sitting posture position, and then alleviate the burden of waist and vertebra, and the situation of pulling because careless manipulation causes as existing abdominal boards can not occur.

Consult Fig. 7 and Fig. 8, when being positioned at this sit-ups position, user 8 can by hands grasping in this handle 43, and utilize back to force in this chair back 52, make the hypsokinesis angle of this chair back rack 51 larger, and drive this seat cushion 42 slightly to rise, and make this foot-driven lever 31 closer to this horizontal plane 9, again this chair back 52 is rotated back to peak a little less than this seat cushion 42, now, this seat cushion unit 4 and this chair back unit 5 arrive a stretch position, user 8 fully can stretch back, the muscle group of waist and leg, in addition, the present embodiment also utilizes this abutment face 521 of this chair back 52 to be the characteristic of cambered surface, when the back of user 8 abuts against in this abutment face 521, the angle of layback can be increased, and then strengthen the effect of stretching, extension.

Coordinate and consult Fig. 9, the present embodiment is except being used for carrying out above-mentioned three kinds of different motor patterns, when being positioned at this sitting posture position, user 8 can according to the mode shown in Fig. 5, the described banking stop portion 432 of this handle 43 is arranged in described stopper slot 411, again by this foot-driven lever 31 upwards folding, can use as general seat, therefore, be applicable to very much being positioned in office or family after consumer buys, as office chair or family expenses chair, and the shortcoming that takes up space can not be caused, and can take exercises after work or leisure for user 8.

Via above explanation, advantage of the present utility model can be summarized as follows:

One, by the connection relationship of this gear unit 3 and this seat cushion unit 4 and this chair back unit 5, when user 8 forces in this foot-driven lever 31 downwards, meeting this connection rod set 32 of interlock and this seat cushion link 33, and then drive this seat cushion 42 to rise and this chair back 52 is tilted backwards, make this seat cushion unit 4 and this chair back unit 5 by this sitting posture evolution to this position of marking time, and force in this chair back 52 by back, and by this evolution of marking time to this sit-ups position or this stretch position, and then reach the effect with multi-motion modes.

Two, be articulated with this pin joint seat 41 by this seat cushion link 33, allow user 8 weight of health can be put on this seat cushion 42 in the process of standing up, this sitting posture position is reset to for this seat cushion unit 4 auxiliary and this chair back unit 5, and then alleviate the burden of particular body portion, reduce the risk of pulling, security during lifting operation.

Three, when this seat cushion unit 4 and this chair back unit 5 are positioned at this sitting posture position, the utility model can also use as general seat, has the advantage do not taken up space, and user 8 can be taken exercises at any time in the process taken, and reaches the effect of multiple utilities.

In sum, so really can the purpose of this utility model be reached.

Claims (10)

1. a multifunctional stretching chair, is characterized in that it comprises:

A support unit, comprise a body frame defining a folding space, one to be arranged at bottom this body frame and the base extended forward, several foot rest extended back by this body frame respectively, an and holder being arranged at this body frame and adjacent top end;

A gear unit, comprise a foot-driven lever being articulated in this pan frontward end, one be articulated in this foot-driven lever and the connection rod set in this folding space can be slided on, and the seat cushion link of two ends this connection rod set of pivot joint and this holder respectively;

A seat cushion unit, comprises the pin joint seat that is hubbed at this seat cushion link front end, and a seat cushion being arranged at this pin joint seat; And

A chair back unit, comprise one and connect this seat cushion link and the chair back rack upwards bending extension, and one is hubbed at this chair back rack and is positioned at the chair back at this seat cushion rear,

This seat cushion unit and this chair back unit can via forcing in this foot-driven lever, this connection rod set of interlock and this seat cushion link, and to be marked time position by a sitting posture evolution to, again via this chair back that rotates backward, arrive a sit-ups position and a stretch position, when this sit-ups position, this chair back is micro-to retreat, when this stretch position, this chair back turns to peak a little less than this seat cushion.

2. multifunctional stretching chair according to claim 1, is characterized in that: this connection rod set has a first connecting rod be articulated with this foot-driven lever, and the second connecting rod of two ends difference this first connecting rod of pivot joint and this seat cushion link.

3. multifunctional stretching chair according to claim 2, it is characterized in that: this seat cushion link has this second connecting rod of pivot joint and can slide on the up-and-down rod portion in this folding space, and one connects this up-and-down rod portion and the horizon bar portion of two ends difference this holder of pivot joint and this pin joint seat.

4. multifunctional stretching chair according to claim 3, it is characterized in that: this horizon bar portion has two separately and the connecting rod section of two ends respectively this holder of pivot joint and this pin joint seat, this seat cushion link is in rotation process, and described connecting rod section perseverance keeps being parallel to each other.

5. multifunctional stretching chair according to claim 3, is characterized in that: this chair back rack has two and is arranged at the both sides in this horizon bar portion respectively and the bent portion in L-type, and this chair back is hubbed at the top of described bent portion.

6. multifunctional stretching chair according to claim 2, it is characterized in that: this gear unit also comprises one and extends to this first connecting rod by this base rear end and have the flexible member of elastic-restoring force, and this elastic-restoring force can assist this seat cushion unit and this chair back unit to be reset to this sitting posture position.

7. multifunctional stretching chair according to claim 1, it is characterized in that: this foot-driven lever have a transverse direction be arranged in this connection rod set and this pan frontward end axle portion, one by the outward extending treadle portion of this axle portion, two be arranged at intervals at this axle portion and there is the spacer portion of a chute respectively, and transverse direction is arranged in this connection rod set and two ends are slidedly arranged on the backstay portion of described chute respectively.

8. multifunctional stretching chair according to claim 7, is characterized in that: this treadle portion is U-shaped, and this foot-driven lever also has the anti-slip section that is arranged at this front end, treadle portion.

9. multifunctional stretching chair according to claim 1, it is characterized in that: this seat cushion unit also comprises one and is horizontally set at this seat cushion bottom surface and the handle being positioned at this pin joint seat front, this handle has the banking stop portion that a retractable handle tube portion and two are arranged at intervals at this handle tube portion, this pin joint seat has the stopper slot that two are formed at both sides respectively, described banking stop portion can be arranged in described stopper slot, and this pin joint seat cannot be rotated.

10. multifunctional stretching chair according to claim 1, is characterized in that: this chair back has one and bends backward and be the abutment face of cambered surface.