JP5578457B1 - Reclining seat - Google Patents

Abstract

【Task】
An object of the present invention is to provide a functional reclining seat at a low cost.
[Solution]
It comprises a backrest 1 that supports the user's back, a seat 2 on which the user sits, and a seat 3 that supports the backrest 1 and the seat 2. A link connector 6 projects upward, the rear end of the seat 2 is pivotally attached to the link connector 6 by a first link support shaft 8, and the backrest 1 is integrated with the backrest 1 and extends left and right. The second link support shaft 5 is slidably mounted on the link connector 6, and the backrest 1 is attached to the base 3 at the lower end. Further, a tilt angle adjuster 9 that pivots along the adjustment guide 91 about the rotation shaft 4 is provided at the lower end of the backrest 1 at the lower end of the backrest 1. A reclining seat that allows you to adjust the angle of inclination of the droop 1.
[Selection] Figure 1

Description

The present invention relates to a reclining seat for various chairs used in work, vehicle, medical care, home, and the like.

The seat according to Japanese Patent Application No. 2011-183151 is provided with an upper body supporter in the backrest, and is supported by a seat seat pivot that extends in the left-right direction in the middle of the seat seat. A link protrudes upward at the rear end of the seat, and the front end of the link is pivotally attached by a link support shaft extending left and right at a position slightly below the center in the vertical direction of the backrest. The base end of the seat is pivotally attached to the rear end of the seat with a second link pivot.When the backrest is tilted backward, the rear end of the seat is pivoted around the seat seat pivot. An easy seat that lowers the back and widens the space between the lower end of the backrest and the seat, and raises the tip to support the lower body on the back of the user's knees and lift the buttocks.

However, the backrest can support the backrest even if it receives the total weight, and the backrest can be automatically returned to its original position. The reclining seat is a ratchet type such as an automobile, electric type, hydraulic type, gas type. However, there is a drawback that the manufacturing cost becomes high. There is a ratchet type for a low-cost seat chair, but if it receives the full weight even if it is temporarily placed on the backrest, it cannot be used because it cannot withstand the load. If the backrest is tilted backward, the angle of the seat is constant at the link, and the user cannot select the backrest angle and the seat seat angle, and cannot be used as a general reclining seat.

A functional reclining seat that can be used as a general reclining seat, can be used as a rocking chair at a low cost, and can be used as a rocking chair by allowing the backrest to be gently tilted and adjusted to return slowly. It is aimed at that.

As an example, by using the reclining seat of the present invention for the above-mentioned comfort seat, people working at desks such as housework and personal computers felt `` difficult '' and `` difficult '' all day, and when they were unable to concentrate, In the chair you are using, correct the leaning posture, do not put a burden on the intervertebral disc, stretch the back muscles by their own weight, stimulate the spine standing muscles (activate the brain function), and prevent the stoop. It provides a functional reclining seat at a low cost to workers who can concentrate again and finish work efficiently and take a nap in the chair during breaks.

JP2011-183151

In view of the disadvantages of the easy seat as described above, the present invention cannot be used in the ratchet type for a low-cost seat chair, which increases the manufacturing cost, because it cannot withstand the load. It cannot be used as a general reclining seat. The link back is provided with a link connector on the back of the backrest. The backrest is integrated with the backrest, the link support shaft slides against the link connection, and the link support shaft is moved up and down by the elastic force of the compression spring. The lower back is pivotally supported by a rotating shaft with respect to the seat, and a tilt angle adjuster is provided at the lower back. Next, when the backrest is tilted backward, the angle of the seat is fixed by the link, and the user cannot select the angle of the backrest and the angle of the seat. In this solution, a link support shaft position setting tool is provided on a reinforcing plate provided at an intermediate portion of the link connector with respect to the seat. The speed can be adjusted by gently tilting the backrest and returning it gently. In the above solution, a compression spring adjuster that adjusts the strength of the compression spring is provided to enable adjustment. The purpose is to provide a functional reclining seat at a low cost.

To achieve the above object, the present invention comprises a backrest that supports a user's back, a seat that the user seats, and a seat that supports the backrest and the seat. The middle part of the seat seat in the front-rear direction is pivotally supported by a seat seat spindle that extends to the left and right. A link connector protrudes above the seat seat with respect to the seat, and the rear end of the seat is linked The backrest is pivotally attached to a second link spindle that is integrated with the backrest and extends to the left and right, and the second link spindle is attached to the link connector. The backrest is pivotally supported by a rotating shaft that extends to the left and right with respect to the seat at the lower end, and the lower end of the backrest is centered on the rotating shaft and serves as an adjustment guide. Inclination angle adjuster that rotates along with it so that the inclination angle of the backrest can be adjusted That. The reclining seat is made up of.

In FIG. 1, a seat seat pivot that extends in the left-right direction is supported by a seat seat support shaft extending in the left-right direction with respect to the seat, and a link connector projects above the seat seat. The rear end portion of the seat is pivotally attached to the link connector by the first link spindle, and the backrest is pivotally attached to the second link spindle extending right and left integrally with the backrest. The link support shaft is slidably attached to the link connector, and the backrest is supported by a rotating shaft extending left and right with respect to the seat at the lower end, and the lower end of the backrest Is provided with an inclination angle adjusting tool that rotates around the rotation axis along the adjustment guide, so that the inclination angle of the backrest can be adjusted.

A link connector is provided on the back surface of the backrest, and the second link support shaft is slidable by engagement between the elongated hole and the shaft.

A second link support shaft that extends to the left and right integrally with the backrest slides relative to the link connector, and causes the compression spring placed in the guide case to fluctuate up and down due to elasticity.

In FIG. 1, the seat seat is pivotally supported by a seat seat pivot that extends in the left-right direction with respect to the seat base in FIG. 1, but without the seat seat pivot, Seat seats can also be fixed. The rear end portion of the seat is pivotally attached to the link connector by the first link support shaft. The first link support shaft pivotally attached to the link connector is attached to the seat. Also good. A seat seat stopper is provided on the seat below the seat with respect to the seat.

The backrest is pivotally supported by a rotating shaft extending left and right with respect to the seat at the lower end, and the lower end of the backrest is inclined at an angle that rotates inside the adjustment guide around the rotating shaft An adjustment tool is provided to enable adjustment of the inclination angle of the backrest.

The tilt angle adjuster is an adjuster provided on the adjustment guide by rotating along the adjustment guide around the rotation axis at the lower end of the backrest and setting the tilt angle of the backrest. And fix it in close contact with the adjustment guide. The rotation along the adjustment guide may be inside or outside, and the inclination angle of the backrest can be adjusted stepwise. In addition, the tilt angle adjuster is provided on the left and right as shown in FIG. 2. One side is attached with a lever or knob on the adjuster, and one side is attached with a knob on the adjuster, and the backrest is tilted to restore the backrest to its original position. Return to position, act as a brake to adjust the speed. The adjustment tool is fixed so that the backrest can be tilted to cope with unexpected impact on the body.

The tilt angle adjuster is provided with a non-slip convex / concave portion for adjusting the angle stepwise, and the adjustment guide is also provided with a non-slip convex / concave portion to adjust the tilt angle stepwise. In addition, the inclination angle can be adjusted steplessly without providing a non-slip convex concave portion.

A guide case mounting base is provided below the guide case to support the guide case and the compression spring. The compression spring put in the guide case is compressed and put in the guide case and connected to the second link support shaft.

A compression spring adjusting tool for adjusting the strength of the compression spring is provided on the guide case mounting base, which supports the guide case and the compression spring, below the link connector.

The compression spring adjustment tool is provided with a spring adjustment plate at the lower part of the compression spring with respect to the seat, and the adjustment tool is operated along the stopper provided on the guide case mounting base. Extend the compression spring up and down, set the strength of the compression spring and fix it with an adjuster.

As shown in FIG. 1, the backrest is pivotally attached to a second link support shaft that extends to the left and right integrally with the backrest, and the second link support shaft is connected to the link connector with respect to the seat base. When the backrest is tilted, the second link support shaft slides with the backrest together with the backrest due to the engagement between the long hole and the shaft, and is placed in the guide case. The compression spring is moved up and down.

The link connector is provided on the back surface of the backrest, the second link support shaft is slid integrally with the backrest by engagement of the elongated hole and the shaft, and the compression spring is placed in the guide case in the link connector. It is also possible to provide a plurality of a series of devices in which a compression spring adjustment tool for adjusting the strength of the compression spring is provided on the guide case mounting base. Also, the link connector can be provided with a plurality of compression springs placed in the guide case.

In FIG. 1, the compression spring placed in the guide case is compressed through the rod, but the second link support shaft is inserted into the guide case without the rod, and a long hole provided in the guide case. It is also possible to compress the compression spring directly along.

The second link spindle slides integrally with the backrest even if the body receives a non-side impact, compresses the compression spring placed in the guide case, and absorbs the impact of weight due to the elasticity of the compression spring. Mitigate. The inclination angle of the backrest is 20 to 90 degrees with respect to the seat. Each operation method of the reclining seat of the present invention is not limited to a manual type or an electric type.

The use of the reclining seat of the present invention adjusts the strength of the compression spring to the user's preference by using the compression spring adjustment tool as an adjustment tool.

As shown in Fig. 1, the user is seated on the seat seat and puts his back on his back, loosens it with the tilt angle adjuster and the lever that tightly fixes the adjustment guide, and puts his weight on the back When tilting the backrest, the tilting angle adjuster pivots along the adjustment guide around the rotation axis at the lower end, and when the backrest tilts, it links to the back of the backrest The second link support shaft, which is pivotally attached to the provided link connector integrally with the backrest, slides relative to the link connector, compresses the compression spring placed in the guide case, and the backrest tilts. .

As shown in FIG. 3, the tilt angle is set to the user's favorite angle, the tilt angle adjusting tool and the adjustment guide are brought into close contact with the lever, and the tilt angle of the backrest is fixed and used.

After use, when the user loosens the lever that holds the tilt angle adjuster and the adjustment guide in close contact with each other, the compression spring automatically and gently returns to the original backrest position. (See Figure 1)

The strength of the compression spring is adjusted according to the weight and taste of the user, by compressing the backrest with the body weight and tilting it, compressing the compression spring, and automatically returning to the original backrest position with the body weight. Adjust the strength with the adjuster.

For the link connector, the position of the second link spindle is set by fixing the rod to the reinforcing plate provided in the middle part of the link connector in the vertical direction with respect to the seat. A link spindle position setting tool is provided.

The link spindle position setting tool is a device that allows the user to select the angle of the backrest and the angle of the seat, and as shown in FIG. The position of the second link support shaft is set by fixing the rod to the reinforcing plate provided with the adjusting tool.

When the reclining seat of the present invention is used as an easy seat, the link support shaft position setting tool is used as an adjustment tool, and the seat seat angle is set to a user's preferred use angle and fixed. The user adjusts the user's favorite speed by picking one of the tilt angle adjuster and the adjuster that holds the adjustment guide in close contact. Adjust the compression spring adjuster with the adjuster and adjust the strength of the compression spring to the user's preference. Adjust the length of the seat in the front-rear direction and fix it with the adjuster according to the length of the user's limb.

As shown in Fig. 1, sit in the seat seat, put your back on the back, and then use the pitch gear to adjust the angle of the part that hits the back of the knee at the front of the seat seat as shown in Fig. 4. Adjust the angle. When the tilt angle adjuster and the adjustment guide are brought into close contact with each other and the fixed lever is loosened and the weight is applied to the backrest, the backrest rotates about the rotation axis at the lower end along the adjustment guide. When the backrest is inclined, the seat seat is centered on the seat seat support shaft, the rear portion of the seat seat is lowered by the link, the space between the lower end portion of the backrest and the seat seat is increased, and the front end portion is raised. Thus, the lower body is supported on the back side of the knee of the user, and the seat is in a state of being seated with the hips. Use the lever with the tilt angle adjustment tool and the adjustment guide in close contact to fix the tilt angle of the backrest.

The second link support shaft, which is provided on the back of the backrest and is axially attached to the link connector, is slidably attached by engagement of the elongated hole and the shaft, and is attached to the guide case via the rod. The impact of weight is absorbed by the elasticity of the inserted compression spring.

As shown in FIG. 5, the user has a medically waist-friendly posture (Fowler position) with the hips raised and the legs raised, and can relax without imposing a burden on the intervertebral disc. The posture that stretches the spine with its own weight by putting effort into the user's tummy leads to endurance of the abdominal and back muscles. If necessary, as shown in FIG. 5, an underarm support safety band for supporting from the bottom of both the heels to around the chest is detachably provided on the backrest.

With the adjustment tool of the link spindle position setting tool, the inclination angle of the backrest and the inclination angle of the seat can be set to desired angles. FIG. 5 shows a usage state of the seat with a backrest inclination angle of 30 degrees and a seat seat inclination angle of 40 degrees.

After use, when the user loosens the lever that holds the tilt angle adjuster and the adjustment guide in close contact with each other, the compression spring automatically and gently returns to the original backrest position. When the pitch gear in the front part of the seat is returned to the original position, the state shown in FIG. 1 is restored. It is safe and convenient to use the safety handle when tilting the backrest or returning it to the original backrest 1 position.

The inclination angle of the backrest is adjusted to 20 to 90 degrees with respect to the seat 3. The inclination angle of the seat 2 can be adjusted to 0 to 50 degrees when the inclination angle of the backrest is set to 30 degrees with respect to the seat as shown in FIG. 5, for example. become.

Use of the reclining seat of the present invention as a rocking chair loosens the fixing of the link spindle position setting tool and makes the compression spring free. Loosen the tilt angle adjustment tool and the adjustment guide with one of the knobs that are fixed in close contact. Adjust the compression spring strength with the adjustment tool. Adjust the length of the seat in the front-rear direction and fix it with the adjuster according to the length of the user's limb.

As shown in FIG. 1, the user sits down on the seat, puts his back on his back, and loosens one of the levers that tightly fixes the tilt angle adjusting tool and the adjustment guide.

If you put your weight on the backrest and tilt the backrest, the backrest will rotate along the adjustment guide around the rotation axis at the lower end, and if the backrest tilts, it will be integrated with the backrest When the second link support shaft, which is attached at the slide, slides against the link connector and compresses the compression spring placed in the guide case, the rear part of the seat seat is lowered around the seat seat support shaft. Then, when the front end of the seat seat rises and then a force is applied to the portion of the front seat seat that hits the back of the knee, the backrest 1 is now backrested by the elasticity of the compression spring. Returning to the position, it can be locked by repeating this.

If necessary, place a cushion on the top of the seat to stabilize the buttocks against the base. Using the safety handle, you can enjoy rocking safely.

After use, when the backrest is stopped when the backrest returns to the original backrest position, the seat also returns to the state shown in FIG.

The invention according to claim 1 of the present invention includes a backrest (1) for supporting a user's back, a seat seat (2) on which the user sits , a backrest (1), and a seat seat (2). A seat base (3) that is supported by a seat seat support shaft (10) that is supported by a seat seat support shaft (10) extending in the left-right direction with respect to the seat base (3). A link connector (6) projects from the seat (2) to the back of the backrest (1) with respect to the base (3), and the rear end of the seat (2) is connected to the link connector (6). is supported by the first link shaft (8), the backrest (1) is backrest (1) it is pivotally supported on a second link shaft extending in the lateral integrally (5), link coupling (6) The compression spring (62) is mounted below the second link support shaft (5) supporting the link connector (6) with respect to the seat (3). Click connector is provided on the inner side of the guide case is supported by the (6) (61) are slidably journalled second link shaft (5) relative to the link connector (6) The backrest (1) is pivotally attached to the seat (3) at the lower end with a rotating shaft (4) extending left and right, and the second link support shaft (5) is a link connector (6). arcuate long hole provided in the engagement with the (64) is slidable, and the lower end of the backrest (1) is rotated around the rotation axis (4), adjusting guide (91) It is a reclining seat characterized by providing the inclination angle adjustment tool (9) interlock | cooperating inside the inside, and enabling adjustment of the inclination angle of a backrest (1).

The invention according to claim 2 of the present invention is a guide case mounting base for supporting the guide case (61) and the compression spring (62) below the link connector (6) with respect to the seat base (3). 72), adjusts the strength of the compression spring (62), a reclining seat of claim 1 Symbol placement and providing a compression spring adjusting means (7).

According to the third aspect of the present invention, the rod (63) is adjusted to the reinforcing plate (53) provided at the middle part in the vertical direction of the link connector (6) with respect to the seat (3). fixed with jig (74), to set the position of the second link shaft (5), in the reclining seat of claim 1, wherein providing a link support shaft position setting device (52) There is .

As is clear from the above description, the present invention has the following effects. It consists of a backrest that supports the user's back, a seat that the user seats, and a seat that supports the backrest and the seat. The seat is pivotally supported by a seat seat spindle extending to the base, and the link connector projects above the seat seat relative to the seat, and the rear end of the seat is pivoted to the link connector by the first link spindle. The backrest is pivotally attached to a second link support shaft that extends to the left and right integrally with the backrest, and the second link support shaft is slidably attached to the link connector. The lower end is pivotally supported by a rotating shaft that extends to the left and right with respect to the pedestal, and the lower end of the backrest is provided with an inclination angle adjusting tool that rotates around the rotating shaft along the adjustment guide. Provide the tilt angle of the backrest to be adjustable. Because the reclining seat is composed of
1. For people who are sitting on various chairs and seats of airplanes, cars, trains, ships, medical care, etc. for a long time sitting at work, travel, medical care, etc. It is possible to provide a functional reclining seat at a low cost, which can be used separately between an easy seat and a reclining seat.
2. By providing the link support position setting tool in the link connector, it is possible to provide a reclining seat that allows the user to select the backrest angle and the seat seat angle.
3. Functional reclining seats can be provided at low cost, and the added value of various chairs can be increased by providing them on various chairs in offices, homes, ships, and medical facilities.
4). It is possible to provide a safe and comfortable reclining seat in which the backrest is gently inclined and automatically returned to the original position, and the speed can be adjusted.
5. A functional reclining seat with a spring adjustment plate that adjusts the strength of the compression spring on the guide case mounting base that supports the guide case and the compression spring by providing a spring adjustment plate at the lower part of the compression spring in the vertical direction. Can be provided at.
6). A link connector is provided on the back side of the backrest, and the second link support shaft is slid by engagement between the elongated hole and the shaft, and the compression spring in the guide case is moved up and down by the elastic force. It can be used as a rocking chair.
7). A link connector is provided on the back surface of the backrest, a second link support shaft is attached to the link connector, and the second link support shaft is slidable by engagement between the elongated hole and the shaft. A functional reclining seat that varies up and down by the elastic force of the inserted compression spring and reduces the impact on the body due to backrest can be provided at low cost.
8). By providing a link connector on the back surface of the backrest and attaching a compression spring placed in the guide case to the link connector, the above-described effect can be obtained at low cost.
9. Since the length of the seat seat in the front-rear direction can be adjusted, it can be fixed according to the length of the user's limbs, so that the posture can be relaxed smoothly.

According to 1) to 9) above, Providing society with low-cost functional reclining seats that can use comfort seats and reclining seats that do not burden the intervertebral disc for people who have been sitting for a long time at work or travel and are placing strain on the intervertebral disc Can contribute.
2. Modern people, who often work in a snarling posture, such as working on a computer, operating a mobile phone or a game machine, tend to be stooped. Reclining seat for daily body care that corrects posture, stimulates the standing muscles of the spine, puts power in the tummy, maintains the endurance of the iliopsoas and back muscles, and prevents stoops Can provide.
3. It can be used as a reclining seat for daily use and a reclining seat for caring for the body, but it can be stored in one place.
4). If you sit with your hips up, you can relax and naturally sleep, and you can use it as a reclining seat for a nap.
5. You can provide a reclining seat that can be used in a relaxed manner, such as long waiting time in hospitals or nursing care, dialysis or infusion.
6). By providing a low-cost reclining seat, it can also be applied to a seated chair.
Claims 1 to 5 also provide the same effects as described above.

1 is an overall view of a reclining seat of the present invention. It is a rear view of FIG. It is a use state figure of the backrest angle of 45 degrees and the seat seat angle of 10 degrees with respect to the seat of the reclining seat of the present invention. It is the state figure which adjusted the angle of the knee part of the front seat of the reclining seat of the present invention, and the angle of a limb part. It is a use state figure of the backrest angle 30 degree | times and the seat seat angle 40 degree | times with respect to the seat of the reclining seat of this invention. FIG. 6 (a) is a front view of the link connector part detail view of the reclining seat of the present invention. FIG. 6B is a side view. FIG. 7A is a detailed back view of the tilt angle adjuster part of the reclining seat according to the present invention. FIG.7 (b) is an A-arrow view.

An embodiment of a reclining seat in the present invention will be described with reference to the drawings.

In FIG. 1, a backrest 1 that supports a user's back, a seat 2 on which the user sits, and a seat 3 that supports the backrest 1 and the seat 2 are provided. An intermediate portion in the front-rear direction of the seat 2 is pivotally supported by a seat seat spindle 10 extending in the left-right direction. A link connector 6 projects from the seat 3 above the seat 2 so that the seat 2 The rear end portion is pivotally supported by the link connector 6 with the first link support shaft 8, and the backrest 1 is pivotally attached to the second link support shaft 5 that is integral with the backrest 1 and extends left and right. The link support shaft 5 is slidably attached to the link connector 6, and the backrest 1 is supported by a rotating shaft 4 extending left and right with respect to the seat 3 at the lower end portion, In addition, an inclination angle adjuster 9 that rotates along the adjustment guide 91 about the rotation shaft 4 is provided at the lower end of the backrest 1. Provided to allow adjusting the inclination angle of the backrest 1. The reclining seat is made up of.

As shown in FIG. 1, the seat 2 is divided into a front seat 21 and a rear seat 22, and a seat seat front frame 24 is inserted inside the seat seat rear frame 23. The length in the front-rear direction is adjusted and fixed with the adjusting bolt 74. A pitch gear 25 is attached to the seat seat front portion 21, and the pitch gear 25 makes it possible to adjust the angle of the portion of the seat seat front portion 21 that contacts the back side of the knee. The pitch gear 25 used was manufactured by Koyo Giken Co., Ltd. Further, a seat seat stopper 31 is provided on the seat 3 below the seat seat 2 with respect to the seat 3.

The backrest 1 is pivotally supported by a rotating shaft 4 extending left and right with respect to the pedestal 3 at the lower end, and the lower end of the backrest 1 is located inside the adjustment guide 91 around the rotating shaft 4. An inclination angle adjusting tool 9 for rotating the backrest 1 is provided so that the inclination angle of the backrest 1 can be adjusted. The rotating shaft 4 was a round bar.

The tilt angle adjuster 9 is a screw portion provided on the adjustment guide attachment 92 by rotating the inside of the adjustment guide 91 around the rotation shaft 4 of the backrest 1 to set the tilt angle of the backrest 1. 93 and adjuster 74
Then, the tilt angle adjuster 9 is fixed in close contact with the adjustment guide 91. The tilt angle of the backrest 1 was adjusted steplessly, and the tilt angle adjuster 9 was an arc-shaped round bar. The tilt angle adjuster 9 is provided on the left and right as shown in FIG. 2, and a lever 95 is attached to the adjuster 74 on one side, the tilt angle is set, and the tilt angle adjuster 9 and the adjustment guide 91 are closely attached and fixed. One is adjuster 9
A knob 95 is attached to 4 to incline the backrest 1 and return the backrest 1 to its original position, and serve as a brake for adjusting the speed. The inclination angle adjuster 9 was an arc-shaped round bar. Adjuster 74
Used bolts. FIG. 7 (a) is an enlarged view of the rear part. FIG.7 (b) is an A-arrow view.

The lever 95 is attached, the inclination angle is adjusted, and the adjustment tool 74 is screwed and fixed. The adjustment screw 74 is fixed so that the backrest 1 can respond to an unexpected impact on the body. Provided.

The link connector 6 is provided on the back surface of the backrest 1, and the second link support shaft 5 is slidable by engagement between the long hole 64 and the shaft, and the long hole 64 is provided in an arc shape. FIG. 6A is a front view. FIG. 6B is a side view.

As shown in FIG. 1, the backrest 1 is pivotally attached to a second link support shaft 5 that is integrated with the backrest 1 and extends to the left and right. The second link support shaft 5 is attached to the seat 3. When the backrest 1 is tilted, the second link support shaft 5 is linked and integrated with the backrest 1 by the engagement of the long hole 64 and the shaft. A compression spring 62 that slides on the tool 6 and is placed in the guide case 61 is provided so as to fluctuate up and down by an elastic force via a rod 63.

A guide case mounting base 72 is provided below the guide case 61 to support the guide case 61 and the compression spring 62 with respect to the seat 3 provided on the link connector 6. The compression spring 62 was compressed by the rod 63 and placed in the guide case 61 and connected to the link support shaft 5.

A compression spring adjusting tool 7 for adjusting the strength of the compression spring 62 is provided on the guide case mounting base 72 that supports the guide case 61 and the compression spring 62 below the link connector 6 with respect to the seat base 3.

The compression spring adjustment tool 7 is provided with a compression spring adjustment plate 71 below the compression spring 62 with respect to the seat 3, and along the convex portion 73-1 of the locking nut 73 provided on the guide case mounting base 72. Then, the adjustment tool 74 is screwed in, and the compression spring adjustment plate 71 is moved up and down to expand and contract the compression spring 62, set the strength of the compression spring 62, and tighten the recess 73-2 of the locking nut 73 And fix. (See FIG. 6) The adjustment tool 74 is a bolt, the guide case 61 is a pipe, and the rod 63 is a round bar.

Further, the link connector 6 has a rod 63 fixed to a reinforcing plate 53 provided at an intermediate portion in the vertical direction of the link connector 6 with respect to the pedestal 3 by an adjusting tool 74, and the second link. A link spindle position setting tool 52 for setting the position of the spindle 5 is provided.

As shown in FIG. 1, the link support shaft position setting tool 52 is provided on a reinforcing plate 53 provided at an intermediate portion in the vertical direction of the link connector 6 with respect to the seat 3, and a guide case 61 and a rod 63 are provided. The position of the second link support shaft 5 is fixed by closely contacting with the adjusting tool 74. The convex portion 73-1 of the locking nut 73 is attached to the reinforcing plate 53, the adjustment tool 74 is screwed into the locking nut 73 and the guide case 61 along the hole, and the position of the second link support shaft 5 is set and adjusted. The rod 63 is brought into close contact with the guide case 61 with the tool 74, and the recess 73-2 of the locking nut 73 is fastened and fixed. (Refer FIG. 6) The adjusting tool 74 used the volt | bolt.

The use of the reclining seat of the present invention loosens the fixation of the link support shaft position setting tool 52 and makes the compression spring 62 free. The compression spring adjustment tool 7 is adjusted by the adjustment tool 74 and the strength of the compression spring 62 is adjusted to the user's preference. The length of the seat seat 2 in the front-rear direction is adjusted, and is fixed with the adjuster 74 according to the length of the user's limb.

As shown in FIG. 1, the user is seated on the seat 2, puts his back on the backrest 1, and the angle of the portion of the front seat 21 that contacts the back of the knee is set with the pitch gear 25. Adjust to the desired angle. When one of the tilt angle adjuster 9 and the adjuster 74 that tightly fixes the adjustment guide 91 is loosened by the lever 94, the weight is applied to the backrest 1 and the backrest 1 is tilted, the backrest 1 The tilt angle adjuster 9 rotates inside the adjustment guide 91 around the rotation shaft 4 of the part, and links when the backrest 1 tilts, and the backrest 1 is linked to the link connector 6 provided on the back surface of the backrest 1. The second link support shaft 5, which is attached to the shaft integrally, slides relative to the link connector 6, compresses the compression spring 62 placed in the guide case 61 via the rod 63, and the backrest 1 is Tilt.

As shown in FIG. 3, the inclination angle is set to the user's preference with the inclination angle adjustment tool 9, the adjustment tool 74 is screwed with the lever 94, the inclination angle adjustment tool 9 and the adjustment guide 91 are brought into close contact, and the backrest is placed. A fixed inclination angle of 1 is used.

After use, when the user loosens the adjustment tool 74 with the lever 94, the inclination angle adjustment tool 9 and the adjustment guide 91 are in close contact with each other. Return slowly. When the pitch gear 25 of the front seat 21 is returned to the original position, the state shown in FIG. 1 is restored.

Even if it receives a non-side impact, the backrest 1 absorbs the weight impact and automatically returns it to the original backrest 1 position. The strength of the compression spring 62 matches the user's weight and preferences. The strength is adjusted with the compression spring adjuster 7.

When the reclining seat of the present invention is used as an easy seat, the link support shaft position setting tool 52 is adjusted by the adjustment tool 74, and the angle of the seat 2 is set to a user's preferred use angle and fixed. The user adjusts the user's desired speed with one of the knobs 95 of the adjusting tool 74 that fixes the tilt angle adjusting tool 9 and the adjusting guide 91 in close contact with each other. The compression spring adjustment tool 7 is adjusted by the adjustment tool 74 and the strength of the compression spring 62 is adjusted to the user's preference. The length of the seat seat 2 in the front-rear direction is adjusted, and is fixed with the adjuster 74 according to the length of the user's limb.

As shown in FIG. 1, the seat seat 2 is seated and the backrest 1 is placed in a posture, and the angle of the portion of the seat seat front portion 21 that hits the back of the knee is changed to the pitch gear as shown in FIG. 4. 25 to adjust to the desired angle. When the tilt angle adjuster 9 and the adjuster 74 that tightly fixes the adjustment guide 91 are loosened by the lever 95 and the weight is applied to the backrest 1, the backrest 1 tilts around the rotation shaft 4 at the lower end. When the angle adjuster 9 rotates inside the adjustment guide 91 and the backrest 1 is inclined, the seat 2 is lowered by the link around the seat seat support shaft 10, and the lower end of the backrest 1 is lowered. As shown in FIG. 5, the lower body is supported on the back side of the user's knee, and the seat is seated with the hips up. The adjustment tool 74 is screwed with the lever 95, the inclination angle adjustment tool 9 and the adjustment guide 91 are brought into close contact with each other, and the inclination angle of the backrest 1 is fixed and used.

The second link support shaft 5 that is provided on the back surface of the backrest 1 and that is attached to the link connector 6 is attached so as to be slidable by engagement between the elongated hole 64 and the shaft. The impact due to the body weight is absorbed by the elasticity of the compression spring 62 placed in the guide case 61.

As shown in FIG. 5, the user has a medically waist-friendly posture (Fowler position) with his buttocks and legs raised, and can relax without placing a burden on the intervertebral disc. The posture that stretches the spine with its own weight by putting effort into the user's tummy leads to endurance of the abdominal and back muscles. As shown in FIG. 5, the armpit supporting safety band 18 that supports the armpit as needed is also supported on both sides of the chest and is easily detachable and provided on the backrest 1.

With the adjustment tool 74 of the link position setting tool 52, the inclination angle of the backrest 1 and the inclination angle of the seat 2 can be set to desired angles. FIG. 5 shows a use state of the seat 3 with the backrest 1 having an inclination angle of 30 degrees and the seat seat 2 having an inclination angle of 40 degrees.

After use, when the user loosens the adjustment tool 74 with the lever 95, the inclination angle adjustment tool 9 and the adjustment guide 91 are in close contact with each other. Return slowly. When the pitch gear 25 of the seat front part 21 is returned to the original position, the state shown in FIG. 1 is restored. When the safety handle 34 is used when the backrest 1 is tilted down and returned to the original position of the backrest 1, it can be used safely and conveniently.

The inclination angle of the backrest 1 is adjusted to 20 to 90 degrees with respect to the seat 3. For example, as shown in FIG. 5, when the inclination angle of the backrest 1 is set to 30 degrees with respect to the seat 3, the inclination angle of the seat 2 is 0 degrees to 50 degrees. To be adjustable.

Use of the reclining seat of the present invention as a rocking chair loosens the fixing of the link support shaft position setting tool 52 and makes the compression spring 62 free. The adjustment tool 74 that fixes the inclination angle adjustment tool 9 and the adjustment guide 91 in close contact is loosened with one knob 95. The compression spring adjustment tool 7 is adjusted with the adjustment tool 74 to strongly adjust the strength of the compression spring 62. The length of the seat seat 2 in the front-rear direction is adjusted, and is fixed with the adjuster 74 according to the length of the user's limb.

As shown in FIG. 1, one adjuster 74 is seated on the seat 2 and the back is attached to the backrest 1 and the tilt angle adjuster 9 and the adjustment guide 91 are closely attached and fixed. Loosen with lever 94.

When the weight is applied to the backrest 1 and the backrest 1 is inclined, the inclination angle adjuster 9 rotates inside the adjustment guide 91 around the rotation shaft 4 at the lower end, and the backrest 1 is When tilted, the second link support shaft 5 that is pivotally attached to the backrest 1 slides relative to the link connector 6 and compresses the compression spring 62 placed in the guide case 61 to link and seat. When the rear portion of the seat 2 is lowered around the seat seat support shaft 10, the front end portion of the seat seat front portion 21 is raised, and then a force is applied to a portion of the front end portion of the seat seat front portion 21 that contacts the back side of the knee. This time, the backrest 1 returns to the position of the original backrest 1 due to the elasticity of the compression spring 62, and can be locked by this repetition.

If necessary, a cushion is laid on the upper part of the seat 2 with respect to the pedestal 3 to stabilize the buttocks. Using the safety handle 34, it is possible to enjoy rocking safely.

After use, if the backrest 1 is stopped when the backrest 1 returns to the original backrest 1 position, the seat 1 also returns to the state shown in FIG.

The present invention is used in industries for manufacturing reclining sheets.

1 Backrest
2 seats 3 seats
4 Rotating shaft
5 Second link spindle
6 Link connector
7 Compression spring adjuster
8 First link support shaft 9 Inclination angle adjuster 10 Seat seat support shaft
11 Back waist pad
12 pillows
13 Backrest frame
14 Backrest lower angle
15 Backrest reinforcement angle
16 Inclination angle adjuster mounting plate 17 pin
18 Majesty Support Safety Band 21 Seat Seat Front
22 Rear seat
23 Seat seat rear frame 24 Seat seat front frame 25 Pitch gear 26 Seat seat rear angle
31 Seat seat stopper 33 Armrest
34 Safety handle 51 Link spindle mounting plate 52 Link spindle position setting tool 53 Reinforcement plate 61 Guide case 62 Compression spring 63 Rod 64 Long hole 71 Spring adjustment plate 72 Guide case mounting base
73 Locking nut 73-1 Convex part 73-2 Concave part 74 Adjustment tool 81 First link support shaft mounting plate 91 Adjustment guide 92 Adjustment guide mounting tool 93 Nut 94 Lever 95

Claims (3)

A backrest (1) that supports the back of the user, a seat (2) on which the user sits, and a seat (3) that supports the backrest (1) and the seat (2); An intermediate portion in the front-rear direction of the seat (2) is supported by the seat seat support shaft (10) extending left and right with respect to the seat (3). ) To the back of the backrest (1) is provided with a link connector (6), and the rear end of the seat (2) is pivotally supported on the link connector (6) by the first link support shaft (8). The backrest (1) is pivotally supported by a second link support shaft (5) that is integral with the backrest (1) and extends to the left and right, and the link connector (6) is attached to the seat (3). The compression spring (62) is supported below the second link support shaft (5) that supports the link connector (6), and the link support (6) supports the compression spring (62). Are provided inside the Dokesu (61), a second link shaft (5) is slidably rotatably attached to the link connector (6), the backrest (1) is the seats in the lower end portion The second link support shaft (5) is attached to an arc-shaped elongated hole (64) provided in the link connector (6). is capable of sliding by engagement and, with the lower end of the backrest (1) is rotated around the rotation axis (4), the inclination angle adjuster for interlocking the inner adjusting guide (91) (9) A reclining seat characterized in that the inclination angle of the backrest (1) can be adjusted. Against the seats (3), link coupling (6) of the lower, supporting and guide casing (61) it if compression (62), the guide case mount (72), compression spring (62) The reclining seat according to claim 1, wherein a compression spring adjuster (7) for adjusting the strength is provided.   The rod (63) is fixed to the reinforcing plate (53) provided at the intermediate portion in the vertical direction of the link connector (6) with respect to the pedestal (3) by the adjusting tool (74). The reclining seat according to claim 1 or 2, further comprising a link spindle position setting tool (52) for setting the position of the link spindle (5).