CN204862122U - Multifunctional stretching chair - Google Patents

Abstract

A multifunctional stretching chair comprises a supporting unit, a transmission unit, a seat cushion unit and a chair back unit. The supporting unit comprises a main frame, a front foot rest and two rear foot rests. The transmission unit comprises a pedal rod pivoted at the front end of the front foot rest, a connecting rod group pivoted on the pedal rod, and a seat cushion connecting rod pivoted on the connecting rod group. The cushion unit comprises a pivoting seat pivoted on the cushion connecting rod and a cushion arranged on the pivoting seat. The chair back unit comprises a chair back frame connected with the seat cushion connecting rod and a chair back pivoted on the chair back frame. The utility model discloses can use or through application of force in this pedal pole as general seat, this linkage and this seatpad connecting rod of interlock, and by a position of sitting transform to a position of marking time to via this back of the chair of backward rotation, reach a sit up position and a tensile position, when this tensile position, the peak of this back of the chair is slightly less than this seatpad.

Description

multifunctional stretching chair

technical field

The utility model relates to a seat, in particular to a multifunctional stretching chair.

Background technique

Modern people pay more and more attention to the concept of health care. Among them, fitness has become a new way of exercise. With the development and progress of modern technology, fitness equipment used to assist users in training various parts of the body has also emerged as the times require, such as : Treadmill, stepper, sit-up board... etc. However, most of the fitness equipment can only be used for a single training project, and cannot be used for the user to use the same equipment to carry out multiple positions. In addition, Due to the bulky size of most fitness equipment, if consumers buy it and place it at home, it will take up a lot of indoor space when not in use, resulting in the general public's desire to buy less, and indirectly leading most people to exercise only by going to the gym For the purpose of fitness, but unable to exercise at home by themselves.

In addition, in the above-mentioned fitness equipment, when the user operates the sit-up board, he mainly relies on the strength of the waist to lift the upper body that is leaning back. However, the user often applies excessive force due to the excessive angle of leaning back, causing A strained lower back muscle.

Contents of the invention

The purpose of the utility model is to provide a multifunctional stretching chair which has multiple motion modes and can be used as a general seat.

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

The support unit includes a main frame extending upwards and backwards, a front leg extending forward from the main frame, and several rear legs respectively extending backward from the main frame.

The transmission unit includes a pedal rod that is pivotally connected to the front end of the front leg and extends obliquely upward, a connecting rod group that is pivotally connected to the pedal rod and can be folded in the front leg, and a connecting rod that is pivotally connected to the front leg The connecting rod group can be partially folded into the seat cushion connecting rod of the main frame.

The seat cushion unit includes a pivot seat pivotally arranged at the front end of the seat cushion connecting rod, and a seat cushion arranged at the pivot seat and behind the pedal rod.

The seat back unit includes a seat back frame connected to the seat cushion link and extending upwards and backwards, a swivel seat pivotally arranged at the top of the seat back frame, and a swivel seat arranged on the swivel seat and positioned above the seat cushion. chair back.

The seat cushion unit and the seat back unit can change from a sitting position to a stepping position by applying force to the pedal rod, linking the connecting rod group and the seat cushion connecting rod, and then turning the chair backward Back, reach a sit-up position and a stretch position, in the sit-up position, the chair back is slightly backward, in the stretch position, the chair back is rotated to the highest point slightly lower than the seat cushion .

In the multifunctional stretching chair described in the utility model, the connecting rod group has a first connecting rod pivotally connected with the pedal rod, and a connecting rod with two ends respectively connected with the first connecting rod and the seat cushion. A second link that is pivotally connected to each other.

In the multi-functional stretching chair described in the utility model, the seat cushion connecting rod has an upright rod part which is slidably arranged on the main frame and pivotally connected to the second connecting rod, and an upright rod part extending from the top of the upright rod part to The front extends to the horizontal bar of the pivot seat.

In the multi-functional stretching chair described in the present invention, the transmission unit also includes two fixing pieces respectively arranged on both sides of the main frame and the front ends of which are pivotally arranged on the horizontal bar, and one two ends are respectively pivotally connected to the The fixed piece and the connecting rod spaced apart from the horizontal rod part, and the position of the fixed piece is higher than the front foot frame and the rear foot frame. During the rotation of the seat cushion connecting rod, the connecting rod Always keep parallel to the horizontal bar.

In the multifunctional stretching chair described in the utility model, the chair back frame has two L-shaped curved pipe parts respectively arranged on both sides of the horizontal bar part, and the rotating seat is pivotally arranged on the curved pipe part. top.

In the multifunctional stretching chair of the present invention, the transmission unit also includes an elastic element extending from the main frame to the first connecting rod and having an elastic restoring force, and the elastic restoring force can assist the cushion unit and The seat back unit returns to the sitting position.

In the multi-functional stretching chair described in the present invention, the front foot frame has two foot frame parts which are arranged on both sides of the main frame respectively and are bent and extended downwards, and a protective arm which is sheathed at the end of the foot frame part. The cover part, the leg part and the cover part cooperate to define a folding space capable of accommodating the connecting rod set.

In the multifunctional stretching chair described in the utility model, the pedal rod has a telescopic rod part pivotally connected with the connecting rod group and capable of adjusting the length, and a pedal part arranged transversely at the end of the telescopic rod part.

In the multi-functional stretching chair of the present invention, the seat cushion unit further includes two grasping parts respectively arranged on the bottom surface of the seat cushion adjacent to the left and right side edges.

In the multifunctional stretching chair described in the utility model, the back of the chair has an abutting surface that is bent backwards and is curved.

The beneficial effect of the utility model is that: by setting the transmission unit, the user can link the connecting rod group and the seat cushion connecting rod by applying force downward to the pedal rod, and utilize the feature that the seat back can rotate , so that the seat cushion unit and the seat back unit can be changed from the sitting position to the stepping position, the sit-up position or the stretching position, so as to achieve the effect of various exercise modes, and the utility model can also be used as a general seat The chair is used and has the advantage of not occupying space.

Description of drawings

Fig. 1 is a perspective view illustrating an embodiment of the utility model multifunctional stretching chair;

Fig. 2 is a perspective view illustrating another viewing angle of the present embodiment;

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

Fig. 4 is a partially enlarged side view illustrating the connection mode of a transmission unit, a pivot seat and a seat back frame in this embodiment, and one of the fixing pieces of the transmission unit is omitted in the figure;

Fig. 5 is a schematic diagram of a use state, illustrating the operation situation of the user when the embodiment is in a stepping position;

Fig. 6 is a schematic diagram of a use state, illustrating the user's operation when the embodiment is in a sit-up position;

Fig. 7 is a schematic diagram of a use state, illustrating the user's operation when the embodiment is in a stretched position;

Fig. 8 is a schematic diagram of a use state, illustrating the situation that this embodiment is used as a general seat.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in detail.

Referring to FIG. 1 to FIG. 4 , an embodiment of the multifunctional stretching chair of the present invention includes a support unit 2 , a transmission unit 3 , a seat cushion unit 4 and a chair back unit 5 .

The support unit 2 includes a main frame 21 extending upwards and backwards, a front foot frame 22 extending forward from the main frame 21, and two rear legs respectively extending backwards from the main frame 21 and extending in opposite directions. Rack 23.

The front stand 22 has two stand portions 221 respectively disposed on two sides of the main frame 21 and bent downwards, and a cover portion 222 sleeved on the end of the stand portions 221 . The stand portion 221 and the cover portion 222 cooperate to define a folding space 223 .

The transmission unit 3 is a four-bar linkage mechanism, and includes a pedal rod 31 that is pivotally connected to the front end of the front foot frame 22 and extends obliquely upward, and a foot rod that is pivotally connected to the foot rod 31 and can be folded on the front foot frame. The connecting rod group 32 in the folding space 223 of 22, a seat cushion connecting rod 33 pivotally connected to the connecting rod group 32 and capable of being partially folded in the main frame 21, and two pieces are respectively arranged on the main frame 21 Both sides and the front end are pivotally arranged on the fixed piece 34 of the seat cushion connecting rod 33 , a connecting rod 35 pivotally connected to the fixed piece 34 , and an elastic element extending from the main frame 21 to the connecting rod group 32 36.

The pedal rod 31 has a telescopic rod portion 311 pivotally connected to the connecting rod set 32 and capable of adjusting its length, and a pedal rod portion 312 transversely disposed at the end of the telescopic rod portion 311 .

The connecting rod group 32 is a double connecting rod mechanism, and has a first connecting rod 321 pivotally connected with the telescopic rod part 311 of the pedal rod 31, and a connecting rod with two ends connected to the first connecting rod respectively. 321 and the seat cushion link 33 are pivotally connected to the second link 322 .

The appearance of the seat cushion link 33 is inverted L-shaped, and has an upright bar portion 331 slidably arranged on the main frame 21 and pivotally connected to the second link 322 , and an upright bar portion 331 formed by the upright bar portion 331 A horizontal bar portion 332 with a top end extending forward.

The front end of the fixing piece 34 is pivotally mounted on the horizontal bar portion 332 of the seat cushion link 33 , and is positioned higher than the front foot frame 22 and the rear foot frame 23 .

The connecting rod 35 is spaced apart from the horizontal rod portion 332 of the seat cushion connecting rod 33 and extends along a direction parallel to the horizontal rod portion 332 .

The elastic element 36 extends from the main frame 21 to the first link 321 of the link set 32 and has an elastic restoring force.

The seat cushion unit 4 includes a pivot seat 41 pivotally arranged on the horizontal rod portion 332 of the seat cushion link 33 and the front end of the connecting rod 35 , and a pivot seat 41 arranged on the pivot seat 41 behind the pedal rod 31 A seat cushion 42, and two gripping portions 43 respectively disposed on the bottom surface of the seat cushion 42 adjacent to the left and right side edges.

It is worth mentioning that during the rotation of the seat cushion link 33, the connecting rod 35 is kept parallel to the horizontal bar portion 332, and the connecting rod 35, the horizontal bar portion 332 and the fixing piece 34 and the The connecting lines of the pivot points of the pivot base 41 always maintain a parallelogram shape.

The seat back unit 5 includes a seat back frame 51 that is connected to the horizontal rod portion 332 of the seat cushion link 33 and extends upward and backward, a swivel seat 52 pivotally mounted on the top of the seat back frame 51, and a set The seat back 53 on the swivel seat 52 and above the seat cushion 42 .

The seat back frame 51 has two L-shaped curved pipe portions 511 respectively disposed on two sides of the horizontal bar portion 332 , and the swivel base 52 is pivotally mounted on the top of the curved pipe portions 511 .

The seat back 53 has a curved abutment surface 531 that is bent backwards to form a relatively large reclining angle.

Referring to Fig. 3 and Fig. 5, during actual operation, the present embodiment is placed on a horizontal plane 9, the seat cushion unit 4 and the seat back unit 5 are in a sitting position, the user 8 sits on the seat cushion 42, and the two The foot is placed on the pedal part 312 of the pedal rod 31. At this time, by applying force downward to the pedal rod 31, the pedal rod 31 is rotated in a direction shown by arrow I in FIG. Adjacent to the horizontal plane 9 (see Fig. 5), and link the connecting rod group 32 and the seat cushion link 33 to drive the seat cushion 42 to rise, and make the seat back frame 51 move along a direction opposite to that shown in Fig. 3 The direction of the arrow II in the direction of the arrow I rotates, and drives the seat back 53 to tilt backward, so that the seat cushion unit 4 and the seat back unit 5 are changed from the sitting position to a stepping position. At this time, the user 8 Utilize the power of both legs to support the weight of the upper body, and resist the elastic recovery force of the elastic element 36. When the knees are bent, the pedal rod 31 rotates in a direction shown by arrow I' in FIG. The connecting rod group 32 and the seat cushion link 33 make the seat back frame 51 rotate in the direction of an arrow II' opposite to the direction of the arrow I', and drive the seat cushion 42 to drop to the original height, and Complete a cycle of stepping action, and repeat the action of bending the knees and straightening the legs to achieve the effect of training the leg muscles. It is worth noting that during the exercise, the user 8 holds the seat cushion 42 with both hands. The gripping portions 43 on both sides are used to maintain the balance of the body.

It is worth mentioning that, when performing the above-mentioned stepping action, the position of the user 8 sitting on the seat cushion 42 will affect the size of the force exerted by the legs. When the sitting position is closer to the front end of the seat cushion 42, the user 8 will The center of gravity of 8 is closer to the pivot point of the pedal rod 31 and the connecting rod group 32. According to the principle of leverage, the power required to straighten both legs from the knee-bent state is larger at this moment. On the contrary, when the riding position The closer to the rear end of the seat cushion 42 , the less power the legs need to expend. Therefore, the user 8 can adjust the intensity of training by changing the sitting position.

Referring to Fig. 3 and Fig. 6, when being in the sitting position, the user 8 can apply force downward to the pedal rod 31, so that the pedal rod 31 is rotated in the direction of the arrow 1 to approximately 15° with the horizontal plane 9 angle, and drive the seat cushion 42 to rise, and make the seat back frame 51 rotate along the direction of the arrow II, then lean back the upper body and lean against the abutting surface 531 of the seat back 53, and then rely on Personal needs adjust the reclining degree of the chair back 53 by applying force on the back, so that the seat cushion unit 4 and the seat back unit 5 reach a sit-up position. At this time, the user 8 uses his legs to make the seat back 53 Maintain a backward leaning state, that is, you can repeat the action of sit-ups to achieve the effect of training the waist muscles.

It is worth mentioning that, in the process of lifting the upper body of the user 8, in addition to relying on the strength of the waist, the user will also use the buttocks to push down the seat cushion link 33, and use the elastic recovery of the elastic element 36 Force to assist the seat cushion unit 4 and the seat back unit 5 to return to the sitting position, thereby reducing the burden on the waist and spine, without causing strains such as the existing sit-up board due to discomfort in operation.

Referring to Fig. 6 and Fig. 7, when being positioned at this sit-up position, user 8 can hold both hands on this grasping part 43, and utilizes the back to exert force on this chair back 53, makes the reclining of this chair back frame 51 Angle is bigger, and drives this seat cushion 42 to rise slightly and this pedal bar 31 is adjacent to this horizontal plane 9, and makes this chair back 53 rotate backwards to the highest point slightly lower than this seat cushion 42, and at this moment, this seat cushion unit 4 and the chair back unit 5 reaches a stretching position, the user 8 can fully stretch the muscles of the back, waist and legs. In addition, this embodiment also utilizes that the abutment surface 531 of the chair back 53 is an arc surface characteristic, when the back of the user 8 leans against the abutting surface 531, the angle of recline can be increased, thereby enhancing the effect of stretching.

Referring to Fig. 8, in addition to the above-mentioned three different exercise modes for the user 8 in this embodiment, when the seat cushion unit 4 and the seat back unit 5 are in the sitting position, the pedal rod 31 is retracted upward. After being folded against the seat cushion 42, it can also be used as a general seat. Therefore, it is very suitable for consumers to place it in the office or home after purchase, as an office chair or a home chair, without causing the disadvantage of occupying space, and It can be used for the user 8 to exercise after work or leisure.

Through the above description, the advantages of the present utility model can be summarized as follows:

1. Through the connection relationship between the transmission unit 3 and the seat cushion unit 4 and the seat back unit 5, when the user 8 applies force downward to the pedal rod 31, the link group 32 and the seat will be linked. Pad link 33, and then drive the seat cushion 42 to rise and make the seat back 53 tilt backward, so that the seat cushion unit 4 and the seat back unit 5 are changed from the sitting position to the stepping position, and by setting the swivel seat 52, cooperate with the back to apply force to the chair back 53, and change from the stepping position to the sit-up position or the stretching position, and then achieve the effect of having multiple exercise modes.

2. Through the pivotal connection between the seat cushion link 33 and the pivot joint 41 and the seat back frame 51, the user 8 can apply the weight of the body to the seat cushion 42 in the process of getting up to assist the seat cushion 42. The seat cushion unit 4 and the seat back unit 5 return to the sitting position, thereby reducing the burden on specific parts of the body, reducing the risk of strain, and improving the safety during operation.

3. When the seat cushion unit 4 and the seat back unit 5 are located in the sitting position, the utility model can also be used as a general seat, which has the advantage of not occupying space, and allows the user 8 to be seated at any time during the ride. Work out your body for multi-purpose results.

To sum up, so can really reach the purpose of the utility model.

Claims (10)

1. A multifunctional stretching chair, characterized in that it comprises: A supporting unit, including a main frame extending upwards and backwards, a front leg extending forward from the main frame, and several rear legs respectively extending backward from the main frame; A transmission unit includes a pedal rod pivotally connected to the front end of the front foot frame and extending obliquely upward, a connecting rod group pivotally connected to the foot rod and capable of being folded in the front foot frame, and a The connecting rod group and the seat cushion connecting rod that can be partially folded in the main frame; A seat cushion unit, including a pivot seat pivotally arranged at the front end of the seat cushion link, and a seat cushion arranged at the pivot seat and behind the pedal rod; and A seat back unit includes a seat back frame connected to the seat cushion link and extending upwards and backwards, a swivel seat pivotally arranged at the top of the seat back frame, and a seat set on the swivel seat and positioned above the seat cushion the back of the chair; The seat cushion unit and the seat back unit can change from a sitting position to a stepping position by applying force to the pedal rod, linking the connecting rod group and the seat cushion connecting rod, and then turning the chair backward Back, reach a sit-up position and a stretch position, in the sit-up position, the chair back is slightly backward, in the stretch position, the chair back is rotated to the highest point slightly lower than the seat cushion . 2. The multi-functional stretching chair according to claim 1, characterized in that: the connecting rod set has a first connecting rod pivotally connected with the pedal rod, and a connecting rod with two ends connected to the first connecting rod respectively. The connecting rod and the seat cushion connecting rod are pivotally connected to the second connecting rod. 3. The multifunctional stretching chair according to claim 2, characterized in that: the seat cushion link has an upright bar portion slidably arranged on the main frame and pivotally connected to the second link, and an The top end of the upright rod portion extends forward to the horizontal rod portion of the pivot seat. 4. The multi-functional stretching chair according to claim 3, characterized in that: the transmission unit further includes two fixing pieces respectively arranged on both sides of the main frame and pivotally mounted on the horizontal bar at the front end, and a The two ends are respectively pivotally connected to the connecting rod of the fixed piece and the pivot seat and spaced apart from the horizontal rod part, and the position of the fixed piece is higher than the front foot frame and the rear foot frame, and the seat cushion connecting rod is in the During the rotation, the connecting rod is kept parallel to the horizontal rod. 5. The multi-functional stretching chair according to claim 3, characterized in that: the chair back frame has two L-shaped bent pipe parts respectively arranged on both sides of the horizontal bar part, and the swivel seat is pivoted at the top of the elbow. 6. The multifunctional stretching chair according to claim 2, characterized in that: the transmission unit further comprises an elastic element extending from the main frame to the first connecting rod and having an elastic recovery force, the elastic recovery force It can assist the seat cushion unit and the seat back unit to return to the sitting position. 7. The multi-functional stretching chair according to claim 1, characterized in that: the front foot frame has two foot frame parts which are respectively arranged on both sides of the main frame and bent downwards, and one is sleeved on the The cover part at the end of the stand part, the stand part and the cover part cooperate to define a folding space capable of accommodating the connecting rod group. 8. The multi-functional stretching chair according to claim 1, characterized in that: the pedal rod has a telescopic rod part which is pivotally connected with the connecting rod group and whose length can be adjusted, and a telescopic rod part arranged transversely on the telescopic rod end of the pedal. 9 . The multifunctional stretching chair according to claim 1 , wherein the seat cushion unit further comprises two gripping portions respectively disposed on the bottom surface of the seat cushion adjacent to the left and right side edges. 10. The multifunctional stretching chair according to claim 1, characterized in that: the chair back has an abutting surface that is bent backwards and is curved.