CN105124956B - A kind of Easy chair - Google Patents

Abstract

The invention relates to a new type of leisure chair, which belongs to the technical field of leisure chair manufacturing and processing, and includes a base, a seat, a backrest and a pillow. frame; a connection structure body that rotates in a plane approximately parallel to the backrest is arranged between the backrest and the pillow. By adopting the above scheme, the headrest can rotate in a plane approximately parallel to the backrest, and the front and rear angles of the seat can be adjusted to adapt to different sitting postures.

Description

A new type of leisure chair

technical field

The invention belongs to the technical field of leisure chair manufacturing and processing, in particular to a novel leisure chair.

Background technique

There are various chair structures on the market, among which the seat with adjustable back angle is favored by more and more consumers because of its comfortable posture. This kind of reclining seat mainly relies on the tray to fix the chair base The rotating connection structure and the locking mechanism between the chair back fixing frame and the chair back fixing frame can realize the functions of lying down the seat back and adjusting the inclination angle of the chair back, and a torsion spring is usually installed on the rotating shaft of the chair back fixing frame , the torsion spring generates a certain rebound torque during the rotation, so that the back of the chair can provide a certain amount of back support when the user is lying down, and after the locking mechanism is released, the torsion spring can also allow the back of the chair to Automatically return to vertical state. The existing chair tray can only adjust the angle of the seat and the back of the chair, but cannot adjust the front and rear angles of the seat, and cannot adapt to different sitting postures.

The headrest rotation direction of existing leisure chair is to turn to the back of the backrest from the front of the backrest; add. Because the upper end of the current headrest is generally slightly behind, and the lower end is generally slightly forward, the central axis of the headrest is basically parallel to the horizontal plane, and the head, neck and shoulders below the neck will not be adjusted by the offset of the headrest center axis. massage support.

When the backrest is turned back and forth, the end of the backrest will be lowered when the backrest is lowered, and the occupants will be very uncomfortable when resting. The angle adjustment of the existing backrest cannot make the backrest rotate horizontally in an approximately parallel plane. To meet the low adjustment of the end of the pillow.

Contents of the invention

The purpose of the present invention is to make the headrest rotate in a plane approximately parallel to the backrest, and to adjust the front and rear angles of the seat to adapt to different sitting postures.

The above-mentioned technical purpose of the present invention is achieved by the following technical solutions: a novel leisure chair comprises a base, a seat, a backrest and a pillow, and a device is provided between the base and the seat so that the seat rotates relative to the base. A base frame at an angle; a connection structure body that rotates in a plane approximately parallel to the backrest is arranged between the backrest and the pillow.

Preferably, the pedestal includes an upper pedestal and a lower pedestal, and the upper pedestal and the lower pedestal are connected together through a hinged rotating shaft structure and an adjusting rotating shaft structure. The adjusting shaft structure can be displaced in the horizontal plane, and when the adjusting shaft structure runs through the upper base frame and the lower base frame, both are fixed. When the adjustment rotating shaft structure only passes through the lower base frame, the upper base frame can rotate relative to the lower base frame along the hinged rotating shaft structure.

Preferably, the adjusting shaft structure includes an axially movable fixing hole arranged on the lower base frame, and an adjusting shaft for axial displacement and a lifting paddle arranged on the adjusting shaft are arranged in the fixing hole, so that The adjustment shaft runs through the upper base frame, a fixed shaft hole is formed on the left side of the upper base frame, and an adjustment shaft hole is formed on the right side.

Preferably, a limit block is provided on the adjusting shaft so that the adjusting shaft is displaced to the right by a distance of the depth of the hole of the fixed shaft and the leftward displacement of the adjusting shaft is limited.

Preferably, the structural body includes a connecting bracket connected to the backrest, a rotating receiving part arranged on the connecting bracket, and a rotating part arranged on the headrest.

Preferably, the rotating receiving part and the rotating part cooperate to share a central axis of rotation that is approximately perpendicular to the plane of the backrest and approximately parallel to the horizontal plane, and the rotating part rotates around the central axis of rotation so that all The headrest rotates in a plane of the headrest approximately parallel to the plane of the backrest.

Preferably, the rotation receiving part includes a rotation limiting part and a rotation positioning part provided on the connecting bracket.

Preferably, the rotating part includes a rotating shaft cooperating with the rotation limiting part and a positioning part cooperating with the rotation positioning part.

Preferably, the rotation limiting member is a shaft hole passing through the connecting bracket, and the rotation positioning member is a plurality of recesses arranged evenly around the shaft hole; the rotation shaft is placed in the shaft hole and can be moved along Moving along the central axis of rotation, the positioning member is a protrusion matching the recess.

Preferably, a bend is provided on the connecting bracket, one end of the bend is connected to the backrest, and the other end is provided with the rotation receiving part.

In summary, the present invention controls the lifting of the seat and the axial displacement of the lifting handle by controlling the lifting handle to toggle the seat lifting cylinder through the hinge of the upper and lower pedestals so that the seat is relatively Fixed or rotated.

The central axis of the headrest rotates in a plane approximately parallel to the backrest. This structure changes the rotation mode of the original headrest on the approximately parallel horizontal plane. The pillow produces an inclination angle. One end of the pillow is close to the head, and the other end is close to the shoulder. Adjust the position of the spine so that the spine will not become rigid due to maintaining a posture for a long time, and can form a lever through the back of the head. Massage for the shoulders.

If the backrest of the leisure chair can be rotated back and forth, then when the leisure chair is tilted back to an approximately horizontal position, the headrest can be rotated in an approximately horizontal plane to adjust the position of the height of the headrest to meet the needs of the resting people for comfort. .

The rotation limiting member is arranged as a shaft hole so that the rotating shaft can freely rotate in the shaft hole and can move back and forth along the central rotation axis in the shaft hole, and the whole structure is simple. The problem of limiting the rotation angle is simply realized through the cooperation of the protrusion and the recess, and the production cost is saved. The setting of the bending enables the pillow to have an elastic recovery force when it is stressed, making the person resting more comfortable, and the bending can also provide a displacement space for the rotating shaft.

When implementing the technical scheme that the rotating shaft fixed rod is connected to the rotating shaft and the positioning rod is placed in the positioning groove, the sleeve is sleeved on the rotating shaft fixing rod to realize the rotation of the headrest, and the positioning rod is placed in the positioning groove to move, so that the whole structure is simple. Moreover, the two sides of the positioning groove play a frictional effect on the positioning rod, and the friction can play a positioning effect on the positioning rod.

The whole leisure chair is convenient to adjust the sitting posture, improves the user's comfort, and has the advantages of simple structure, convenient operation and convenient mass production.

Description of drawings

Fig. 1 is a side sectional view of the present invention;

Fig. 2 is the exploded view of pedestal of the present invention;

Fig. 3 is a cross-sectional view of the connection structure body of the present invention;

In Fig. 1, Fig. 2 and Fig. 3, A-central axis of rotation, 1-base, 2-seat, 3-backrest, 4-pillow, 5-base frame, 51-upper base frame, 52-lower base frame, 53 -hinged shaft structure, 54-adjusting shaft structure, 55-fixing hole, 56-adjusting shaft, 57-lift paddle, 58-fixed shaft hole, 59-adjusting shaft hole, 6-connecting structure body, 61-connecting bracket, 62-rotation receiving part, 63-rotation part, 64-rotation limiting part, 65-rotation positioning part, 66-rotating shaft, 67-positioning part.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings.

A new leisure chair as shown in Fig. 1, Fig. 2 and Fig. 3 comprises a base 1, a seat 2, a backrest 3 and a pillow 4, and a seat is arranged between the base 1 and the seat 2 to make the seat 2 rotate an angle relative to the base 1 Scaffold 5.

The base frame 5 includes an upper base frame 51 and a lower base frame 52 , and the upper base frame 51 and the lower base frame 52 are connected together by a hinged rotating shaft structure 53 and an adjusting rotating shaft structure 54 . The upper base frame 51 is a downward groove formed by bending both sides of a plate, and the lower base frame 52 is an upward upper groove formed by bending the two sides of a plate upward, and the side of the upper groove covers the lower groove. The sides of the groove are in close contact with the sides. The hinged shaft structure 53 includes hinged shaft fixing holes provided on the upper and lower base frames 51, 52, and hinged shafts are arranged in the hinged shaft fixing holes. The adjusting shaft structure 54 includes an axially movable fixing hole 55 arranged on the lower base frame 52, an adjusting shaft 56 for axial displacement and a lifting plectrum 57 arranged on the adjusting shaft 56 are arranged in the fixing hole 55, and the adjusting shaft 56 runs through On the upper base frame 51, a fixed rotating shaft hole 58 is formed on the left side of the upper base frame 51, and an adjusting rotating shaft hole 59 is formed on the right side.

A limit block is arranged on the adjusting shaft 56 so that the adjusting shaft 56 is displaced to the right by a distance of the depth of the fixed shaft hole 58 and the adjustment shaft 56 is limited to move to the left. When the adjustment shaft 56 runs through the upper base frame 51 and the lower base frame 52, the upper base frame 51 cannot rotate relative to the lower base frame 52. When the adjustment shaft 56 is displaced to the right by a fixed shaft hole 58, the adjustment shaft 56 only passes through the adjustment shaft. The rotating shaft hole 59 and the lower base frame 52 run through, so the adjusting rotating shaft 56 does not fix the upper base frame 51 and the lower base frame 52 though the upper base frame 51 and the lower base frame 52 are connected, so the upper base frame 51 can be opposite along the hinged rotating shaft. The lower base frame 52 rotates. Because the upper base frame 51 is connected to the seat 2, and the lower base frame 52 is connected to the base 1, so the external performance is that the seat 2 rotates relative to the base 1. The upper base frame 51 is provided with a limit block, which is used for the rotation angle of the upper base frame 51 to prevent the seat rotation angle from being too large.

The upper base frame 51 is connected with a backrest 3, and a backrest adjustment mechanism for adjusting the angle between the backrest and the horizontal plane is provided between the upper base frame 51 and the backrest 3, including a telescopic rod and an adjustment handle. Hinged on the upper base frame 51 and the backrest 3. The adjustment handle is arranged on the hinged shaft structure 53 and is rotatably connected to the upper base frame 51. The adjustment handle is provided with a trigger plate to control the movement of the telescopic rod. When the adjustment handle is turned, the trigger plate acts on the switch on the telescopic rod to make the telescopic rod Elongation or shortening, while driving the rotation of the backrest 3 through the telescopic rod.

A connection structure body 6 is arranged between the backrest 3 and the headrest 4. The connection structure body 6 includes a connection bracket 61 that can be fixedly connected to the backrest 3 by rivets. The connection bracket 61 is a cuboid block, and its upper part has a bend on the length side. , bending so that the side view of the connecting bracket 61 is an inverted "U" shape, one end of the bending is connected to the backrest 3, and the other end is provided with a rotating receiving part 62, and one side of the "U" bending is provided with a rotating receiving part 62, and the other Connect the backrest 3 on one side.

The rotation receiving part 62 includes a rotation limiting part 64 and a rotation positioning part 65. The rotation limiting part 64 is a shaft hole that runs through the two sides of the entire "U"-shaped connecting bracket 61, and the rotation positioning part 65 is arranged evenly around the shaft hole. 14 recesses.

A rotating part 63 is fixedly welded on the headrest 4 , and the rotating part 63 includes a rotating shaft 66 and a positioning part 67 . The central axis of rotation of the rotating shaft 66 and the central axis of rotation of the shaft hole are the same central axis A. The rotating shaft 66 rotates and displaces along the central axis of rotation A in the shaft hole. raised.

When the rotating shaft 61 needs to rotate in the shaft hole, the rotating shaft 61 manually separates the protrusions from the recesses, then rotates the headrest support frame 1, and when adjusted to the required angle, the protrusions are manually fixed into the recesses. When the back support frame 2 falls backwards to an approximately horizontal position, the end of the pillow is low, which makes people who have a rest feel uncomfortable.

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contribution as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

Claims (8)

1. A new type of leisure chair, comprising a base (1), a seat (2), a backrest (3) and a pillow (4), characterized in that a A pedestal (5) that makes the seat (2) rotate at an angle relative to the base (1); the backrest (3) and the pillow (4) are arranged approximately parallel to the backrest (3) The connecting structure body (6) rotated in the plane; The pedestal (5) includes an upper pedestal (51) and a lower pedestal (52), and the upper pedestal (51) and the lower pedestal (52) are connected by a hinged shaft structure (53) and adjustment The rotating shaft structure (54) is connected together; the upper base frame (51) is bent downward on both sides of a plate to form a downward groove, and the lower base frame (52) is bent upward on both sides of a plate Folding to form an upward upper groove, the sides of the upper groove cover the sides of the lower groove and the above sides are in close contact; The adjusting shaft structure (54) includes an axially movable fixing hole (55) arranged on the lower base frame (52), and an adjusting shaft (56) for axial displacement is arranged in the fixing hole (55) and the lifting paddle (57) arranged on the adjustment shaft (56), the adjustment shaft (56) runs through the upper base frame (51), and forms a fixed shaft on the left side of the upper base frame (51) Hole (58), the right side forms an adjustment rotating shaft hole (59). 2. A new type of leisure chair according to claim 1, characterized in that a limit block is set on the adjustment shaft (56) so that the adjustment shaft (56) is displaced to the right by one of the fixed shaft holes (58 ) depth and limit the leftward displacement of the adjusting shaft (56). 3. A new type of leisure chair according to claim 1 or 2, characterized in that, the structural body (6) includes a connecting bracket (61) connected to the backrest (3), arranged on the connecting The rotating receiving part (62) on the bracket (61) and the rotating part (63) arranged on the pillow (4). 4. A new type of leisure chair according to claim 3, characterized in that the rotating receiving part (62) and the rotating part (63) cooperate to share a plane approximately perpendicular to the plane of the backrest (3) and approximately Parallel to the central rotation axis (A) of the horizontal plane, the rotating part (63) rotates around the central rotation axis (A) so that the headrest (4) is approximately parallel to the plane of the backrest (3) The headrest (4) rotates in the plane. 5. A new type of leisure chair according to claim 4, characterized in that, the rotation receiving part (62) includes a rotation limiting part (64) and a rotation positioning part set on the connecting bracket (61) (65). 6. A new type of leisure chair according to claim 5, characterized in that, the rotating part (63) includes a rotating shaft (66) cooperating with the rotating limiting part (64) and a rotating shaft (66) matching with the rotating positioning part (65) Fitting locator (67). 7. A new leisure chair according to claim 6, characterized in that, the rotation limiting member (64) is a shaft hole passing through the connecting bracket (61), and the rotation positioning member (65) A number of recesses are evenly arranged around the shaft hole; the shaft (66) is placed in the shaft hole and can move along the central rotation axis (A), and the positioning piece (67) is a matching The protrusion of the concave part. 8. A new type of leisure chair according to claim 7, characterized in that a bend is provided on the connecting bracket (61), one end of the bend is connected to the backrest (3), and the other end is provided There is the rotating receiving part (62).