Settleable saddle-shaped seat

Abstract

The utility model relates to a settleable saddle-shaped chair, which belongs to the technical field of office or household chairs, and comprises a main chair surface, a base, a hinge, a settleable chair surface and an angular position retaining rod, and the main chair surface and the settleable chair surface realize forward-sinking turnover saddle-shaped form conversion and included angle change of the settleable chair surface by adjusting the height or angle of the angular position retaining rod. According to the utility model, the settlement chair surface can be installed on the outer side or two sides of the main chair surface in a downward settlement overturning manner through the hinge, and the settlement chair surface is driven to be downward settlement overturning through adjusting the height or the angle of the angular position maintaining rod so as to realize saddle-shaped form conversion and included angle change. The structural design is simple, the material requirement is low, and the cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sinkable saddle-shaped seat and belongs to the technical field of office or home seats. BACKGROUND

[0002] With the upgrading of consumption and the extension of working time, more and more working groups and consumers have put forward diversified requirements for the comfort and multifunction of seats, so adjustable seats are widely used, but the movable seat surface and the main seat surface of the current angle-adjustable seat are arranged at a left-right flip angle, the synchronous flip mechanism is complex in design, high in material requirement and high in cost. CONTENT OF THE UTILITY MODEL

[0003] The utility model provides a sinkable saddle-shaped seat, which solves the problems in the above background technology.

[0004] The utility model relates to a sinkable saddle-shaped seat, which comprises a main seat surface, a base, a hinge, a sinkable seat surface and an angle position retaining rod, wherein the main seat surface and the sinkable seat surface are adjusted in height or angle by the angle position retaining rod to drive the sinkable seat surface to sink and flip downward, thereby realizing saddle-shaped form conversion and angle change.

[0005] The sinkable seat surface is of an integral structure, and the sinkable seat surface is installed at the outer side of the main seat surface, so that the integral structure is more stable and the sinkable seat surface is convenient to assemble and control.

[0006] The sinkable seat surface is divided into a left sinkable seat surface and a right sinkable seat surface, and the left sinkable seat surface and the right sinkable seat surface are respectively installed at the left side and the right side of the main seat surface, so that the seat is convenient to manufacture and has higher comfort.

[0007] The hinge comprises a fixed hinge fixed below the main seat surface, and the fixed hinge is connected with a movable hinge fixed below the sinkable seat surface through a hinge shaft, so that the structure is simple and convenient to manufacture.

[0008] The angle position retaining rod is installed in a shaft hole one of the movable hinge, the shaft hole one is arranged at the end of the movable hinge close to the sinkable seat surface, and an adjusting mechanism one for adjusting the height position of the angle position retaining rod is arranged between the angle position retaining rod and the base.

[0009] The adjusting mechanism one comprises a threaded hole arranged in the middle of the angle position retaining rod, an adjusting screw rod is connected in the threaded hole, and one end of the adjusting screw rod is rotatably installed on the base. The height position of the angle position retaining rod on the adjusting screw rod is adjusted by rotating the adjusting screw rod.

[0010] The adjusting mechanism one comprises a mounting hole arranged in the middle of the angle position retaining rod, a lifting rod is arranged in the mounting hole, one end of the lifting rod is rotatably installed on the base, the other end of the lifting rod is threadedly connected with a limiting nut, a buffer spring is sleeved on the lifting rod between the limiting nut and the angle position retaining rod. The pre-tightening elastic force of the buffer spring is adjusted by rotating the limiting nut.

[0011] The adjusting mechanism two is arranged between the angle position holding rod and the base and is used for adjusting the angle position of the angle position holding rod.

[0012] The rod head of the angle position holding rod is fixedly installed with the movable hinge after penetrating through the fixed hinge shaft hole two, and the two ends of the rod head serve as the hinge shafts, so that the angle position holding rod and the movable hinge are kept synchronous rotation, and the adjusting mechanism two is arranged between the angle position holding rod and the base and is used for adjusting the angle position of the angle position holding rod.

[0013] The adjusting mechanism two comprises a fork joint fixed in the middle of the angle position holding rod, the outer end of the fork joint is hinged with a gas spring one or is screwed with an adjusting screw rod, the other end of the gas spring one is hinged on the base, and the other end of the adjusting screw rod is rotationally installed on the base. By rotating the adjusting screw rod, the angle position holding rod can be driven to rotate, so that the sinking angle of the sinking chair surface can be adjusted.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] The sinking chair surface is installed on the outer side or both sides of the main chair surface through the hinge and can be downwardly sunk and turned over, the sinking chair surface is driven to be downwardly sunk and turned over through the height or angle adjustment of the angle position holding rod, and the saddle-shaped form conversion and the included angle change are realized. DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the integral sinking chair surface of the utility model;

[0017] Figure 2 It is a three-dimensional structure schematic view of the integral sinking chair surface of the utility model;

[0018] Figure 3 It is Figure 2 It is a three-dimensional structure schematic view of another perspective;

[0019] Figure 4 It is a three-dimensional structure schematic view of the fourth embodiment;

[0020] Figure 5 It is a three-dimensional structure schematic view of the sixth embodiment;

[0021] Figure 6 It is a three-dimensional structure schematic view of the eighth embodiment;

[0022] Figure 7 It is a three-dimensional structure schematic view of the ninth embodiment;

[0023] Figure 8 It is a three-dimensional structure schematic view of the adjusting screw rod;

[0024] Figure 9This is a schematic diagram of the installation structure of the movable hinge;

[0025] In the diagram: 1. Sinking seat; 2. Main seat; 3. Base; 4. Corner retaining rod; 5. Movable hinge; 6. Fixed hinge; 7. Limiting nut; 8. Suspension rod; 9. Buffer spring; 10. Adjusting screw; 11. Adjusting handwheel; 12. Sinking recess; 13. Limiting flange; 14. Gas spring two; 15. Shift fork joint; 16. Gas spring one; 17. Adjusting screw; 18. Shaft hole support. Detailed Implementation

[0026] The present invention will be further described below with reference to the embodiments.

[0027] Example 1, as Figure 1 As shown, this utility model is a sinkable saddle-shaped seat, including a main seat 2, a base 3, a hinge, a sinkable seat 1, and an angle retaining rod 4. The main seat 2 and the sinkable seat 1 are driven to sink and flip downward by adjusting the height or angle of the angle retaining rod 4 to achieve the transformation of the saddle shape and the change of the included angle. The sinkable seat 1 is an integral structure and is installed on the outer side of the main seat 2.

[0028] When in operation: When sitting normally, the main seat 2 and the sinking seat 1 are parallel without tilt. When the user is sitting on the seat and needs to change the position of the sinking seat 1, the sinking seat 1 is slid down and flipped by adjusting the height or angle of the corner holding rod 4 to achieve the transformation of the saddle shape and the change of the angle, so as to adjust to a comfortable position and maintain the sitting posture.

[0029] Example 2, as Figure 2 As shown, unlike Embodiment 1, the sinking seat 1 is divided into a left sinking seat 1 and a right sinking seat 1, which are respectively installed on the left and right sides of the main seat 2.

[0030] Example 3, as Figure 3 As shown, based on Embodiment 1 or 2, the hinge includes a fixed hinge 6 fixed below the main seat 2, and the fixed hinge 6 is connected to a movable hinge 5 fixed below the sunken seat 1 via a hinge shaft.

[0031] Angle retaining rod 4 is installed in shaft hole 1 of movable hinge 5. Shaft hole 1 is located at the end of movable hinge 5 near the sinking seat surface 1. An adjustment mechanism 1 for adjusting the height of angle retaining rod 4 is provided between angle retaining rod 4 and base 3. That is, angle retaining rod 4 is front-mounted. The height of angle retaining rod 4 is adjusted by adjusting mechanism 1, thereby adjusting the sinking angle of sinking seat surface 1. A shaft hole support 18 is provided at the front end of movable hinge 5, such as... Figure 9 As shown, the shaft hole is set on the shaft hole support 18. Of course, the shaft hole support 18 and the movable hinge 5 can be an integral structure.

[0032] Example four, as shown in Figure 4 and 8 , on the basis of example three, the adjusting mechanism one includes a threaded hole set in the middle of the angle position holding rod 4, a threaded hole in which is connected with an adjusting screw rod 10, one end of which is rotatably installed on the base 3. The base 3 is provided with a sunken recess 12, which is provided with a through hole, the adjusting screw rod 10 extends into the sunken recess 12 through the through hole and is fixedly connected with a limiting flange 13, and a space is provided between the through hole and the adjusting screw rod 10. When it is necessary to adjust the sinking angle of the sinking chair surface 1, the adjusting screw rod 10 can be rotated to drive the angle position holding rod 4 to rise and fall, so as to adjust the height position of the angle position holding rod 4 and the sinking angle of the sinking chair surface 1. The adjusting screw rod 10 is provided with an adjusting hand wheel 11.

[0033] Example five, as shown in Figure 2 and 3 , which is different from example four, the adjusting mechanism one includes a mounting hole set in the middle of the angle position holding rod 4, a lifting rod 8 is arranged in the mounting hole, one end of the lifting rod 8 is rotatably installed on the base 3, and the other end of the lifting rod 8 is threadedly connected with a limiting nut 7, and a buffer spring 9 is sleeved on the lifting rod 8 between the limiting nut 7 and the angle position holding rod 4. Of course, the connection between the lifting rod 8 and the base 3 can also be the connection structure in example four, and the lifting rod 8 and the mounting hole are gap-fitted. Before use, the limiting nut 7 can be rotated to adjust the initial elastic force of the buffer spring 9. When it is necessary to adjust the posture of the sinking chair surface 1, the sinking chair surface 1 can be pressed down to drive the angle position holding rod 4 to move downward along the lifting rod 8 against the elastic force of the buffer spring 9, so as to adjust the sinking angle of the sinking chair surface 1. It can also be fastened and locked through the front screw hole.

[0034] Example six, as shown in Figure 5 , which is different from example four or five, the adjusting mechanism one includes a gas spring two 14, one end of which is hingedly connected to the base 3, and the other end of which is fixedly connected with the angle position holding rod 4. When it is necessary to adjust the posture of the sinking chair surface 1, the sinking chair surface 1 can be pressed down to drive the angle position holding rod 4 to move downward against the elastic force of the gas spring two 14, so as to adjust the sinking angle of the sinking chair surface 1. The gas spring two 14 is preferably a controllable gas spring, which can lock the position angle of the sinking chair surface 1 by opening and locking the touch pressure switch.

[0035] Example seven, which is different from example three, the rod head of the angle position holding rod 4 is respectively provided with two ends, which pass through the shaft hole two of the fixed hinge 6 and are fixedly installed with the movable hinge 5 and act as hinged shafts, so as to keep the angle position holding rod 4 and the movable hinge 5 synchronous rotation, and the angle position holding rod 4 and the base 3 are provided with an adjusting mechanism two for adjusting the angle position of the angle position holding rod 4.

[0036] Example eight, as shown inFigure 6 As shown in the embodiment six, the adjusting mechanism two comprises a shift fork joint 15 fixed in the middle of the angle position holding rod 4, the outer end of the shift fork joint 15 is hinged with a gas spring 16, the other end of the gas spring 16 is hinged on the base 3. When it is needed to adjust the posture of the sunken chair surface 1, the sunken chair surface 1 can be pressed down, so as to drive the movable hinge 5 and the angle position holding rod 4 to overcome the elastic force of the gas spring 16 to rotate around the shaft hole two of the fixed hinge 6, and the sunken angle of the sunken chair surface 1 is adjusted. The gas spring 16 is preferably a controllable gas spring, and the position angle of the sunken chair surface 1 is locked by opening and locking the touch pressure switch.

[0037] As shown in the embodiment nine, Figure 7 As shown in the embodiment nine, different from the embodiment seven, the outer end of the shift fork joint 15 is rotatably installed with a pull bead, the pull bead is threadedly connected with an adjusting screw rod 17, the other end of the adjusting screw rod 17 is rotatably installed on the base 3. When it is needed to adjust the sunken angle of the sunken chair surface 1, the adjusting screw rod 17 can be rotated, so as to drive the angle position holding rod 4 to rotate by a certain angle, and then the sunken chair surface 1 is driven by the movable hinge 5 to adjust the sunken angle.

[0038] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0039] In the description of the present application, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and do not require the present application to be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

Claims

1. A sinkable saddle chair comprising a main seat surface (2), a base (3), a hinge, a sinkable seat surface (1), characterized in that: It also includes an angle position holding rod (4), the main seat (2) and the sunken seat (1) are driven to sink and turn down to realize the saddle shape conversion and the included angle change through the height or angle adjustment of the angle position holding rod (4).

2. A sinkable saddle according to claim 1, characterized in that: The sunken seat (1) is of an integral structure, and is installed at the outer side of the main seat (2).

3. A sinkable saddle according to claim 1, characterized in that: The sunken seat (1) is divided into a left sunken seat (1) and a right sunken seat (1), and the left sunken seat (1) and the right sunken seat (1) are respectively installed at the left side and the right side of the main seat (2).

4. A sinkable saddle according to any one of claims 1-3, characterized in that: The hinge includes a fixed hinge (6) fixed below the main seat (2), and the fixed hinge (6) is connected with a movable hinge (5) fixed below the sunken seat (1) through a hinge shaft.

5. A sinkable saddle according to claim 4, characterized in that: The angle position holding rod (4) is installed in a shaft hole one of the movable hinge (5), the shaft hole one is arranged at the end of the movable hinge (5) close to the sunken seat (1), and an adjusting mechanism one for adjusting the height position of the angle position holding rod (4) is arranged between the angle position holding rod (4) and the base (3).

6. A sinkable saddle according to claim 5, characterized in that: The adjusting mechanism one includes a threaded hole arranged in the middle of the angle position holding rod (4), and a adjusting screw rod (10) is connected in the threaded hole, and one end of the adjusting screw rod (10) is rotatably installed on the base (3).

7. A sinkable saddle according to claim 5, characterized in that: The adjusting mechanism one includes a mounting hole arranged in the middle of the angle position holding rod (4), a lifting rod (8) is arranged in the mounting hole, one end of the lifting rod (8) is rotatably installed on the base (3), the other end of the lifting rod (8) is threadedly connected with a limiting nut (7), and a buffer spring (9) is sleeved on the lifting rod (8) between the limiting nut (7) and the angle position holding rod (4).

8. A sinkable saddle according to claim 5, characterized in that: The adjusting mechanism one includes a gas spring two (14), one end of the gas spring two (14) is hingedly connected to the base (3), and the other end of the gas spring two (14) is fixed to the angle position holding rod (4).

9. A sinkable saddle according to claim 4, characterized in that: The rod head of the angle position holding rod (4) passes through a shaft hole two of the fixed hinge (6) and is fixedly installed with the movable hinge (5) and acts as a hinge shaft, the angle position holding rod (4) and the movable hinge (5) are kept synchronous rotation, and an adjusting mechanism two for adjusting the angle position of the angle position holding rod (4) is arranged between the angle position holding rod (4) and the base (3).

10. A sinkable saddle according to claim 9, characterized in that: The adjusting mechanism two includes a yoke joint (15) fixed in the middle of the angle position holding rod (4), a gas spring one (16) is hingedly connected to the outer end of the yoke joint (15) or a adjusting screw rod (17) is threadedly connected to the outer end of the yoke joint (15), the other end of the gas spring one (16) is hingedly connected to the base (3), and the other end of the adjusting screw rod (17) is rotatably installed on the base (3).

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