Automobile seat half-basin front lifting mechanism

Abstract

The utility model relates to an automobile seat half-basin front lifting mechanism which comprises a seat basin rotationally connected to a seat and a fixing rod fixed to the seat, the fixing rod is rotationally connected with at least two hinged plates, the other ends of the hinged plates are rotationally connected with a rotating shaft, and the rotating shaft is rotationally connected with the seat basin. The rotating shaft is provided with a driving assembly fixed to the fixing rod so as to drive the rotating shaft to rotate up and down with the rotating connecting point of the hinge plate and the fixing rod as the center, at least one fixing frame is arranged at the bottom of the seat basin, a strip-shaped hole is formed in the fixing frame, and the rotating shaft is located in the strip-shaped hole. The utility model has the advantage of guaranteeing the support.

Description

Technical Field

[0001] The utility model belongs to the technical field of a seat half-basin front lifting mechanism, and in particular relates to a car seat half-basin front lifting mechanism. Background Art

[0002] The half-basin car seat is a specially designed car seat, mainly serving passengers with limited mobility, such as the elderly, the disabled or those in rehabilitation. The lower part of this seat is structured like a basin, making it easier for passengers to lift their legs and sit in the car.

[0003] At present, a Chinese patent with authorization announcement number CN216833321U discloses a car seat pan lifting mechanism, including a seat pan, a left panel and a right panel, the rear end of the seat pan is connected to the left panel and the right panel in a manner that can be moved forward and backward respectively, a front cross tube is rotatably connected between the front ends of the left panel and the right panel, the two ends of the front cross tube are respectively hingedly connected to the front end bottom of the seat pan through a left front connecting rod and a right front connecting rod, a driving member that can drive the left front connecting rod to move upward or downward is provided on the left panel, and an inclined surface one inclined toward the front and downward and an inclined surface two inclined toward the rear and downward are respectively provided at the position of the seat pan corresponding to the front cross tube, An arc groove is formed at the junction of the inclined surface one and the inclined surface two, and the front cross tube is located in the arc groove; when in use, the front cross tube can be used as a rotating shaft for raising or lowering the seat basin on the one hand, and can also be used as a cross beam to prevent the seat basin from diving on the other hand, realizing multiple uses of one tube, thereby reducing the number of parts, reducing the weight of the seat, and making the seat structure compact and easy to assemble. However, when adjusting, this technical solution drives the adjustment by driving the left front connecting rod to rotate through the driving member. When the adjustment is completed, when a person sits on the seat basin, the force received by the seat basin will be transmitted to the left front connecting rod through the front cross tube, making it easy for the left front connecting rod to disconnect from the front cross tube. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a half-basin front lifting mechanism for a car seat with guaranteed support.

[0005] The technical solution of the utility model is as follows:

[0006] A half-basin front lifting mechanism for a car seat comprises a seat basin rotatably connected to the seat and a fixed rod fixed to the seat, the fixed rod being rotatably connected to at least two hinged plates, the other ends of the plurality of hinged plates being rotatably connected to a rotating shaft, the rotating shaft being provided with a driving assembly fixed to the fixed rod, so as to drive the rotating shaft to rotate up and down with the rotating connection point between the hinged plate and the fixed rod as the center;

[0007] At least one fixing frame is arranged at the bottom of the basin, and a strip hole is opened on the fixing frame, and the rotating shaft is located in the strip hole.

[0008] Furthermore, the seat basin is provided with two hinged frames rotatably connected to the seat.

[0009] Furthermore, the driving assembly includes a mounting bracket fixed on a fixed rod, a driving cylinder rotatably connected to the mounting bracket, a threaded shaft located in the driving cylinder, and a motor fixed to the driving cylinder. The motor can drive the threaded shaft to move up and down through the driving cylinder, and one end of the threaded shaft is rotatably connected to a linkage part connected to a rotating shaft.

[0010] Furthermore, a worm wheel and a worm are rotatably connected in the driving cylinder, the worm wheel is meshed with the worm, the threaded shaft threads through the worm wheel, and the worm is fixed on the output shaft of the motor.

[0011] Furthermore, a hinged joint is fixed to one end of the threaded shaft extending out of the driving cylinder, and the hinged joint is rotatably connected to the linkage member.

[0012] Furthermore, rectangular rotating blocks are provided on both sides of the driving cylinder, a circular hole for the rotating block to be plugged into is provided on one side of the mounting frame, and a plug-in slot for the rotating block to be plugged into is provided on the other side of the mounting frame, the slot width of the plug-in slot is smaller than the length of the rotating block, the plug-in slot is provided with an arc-shaped portion for the rotating block to rotate, and both ends of the rotating block are semicircular surfaces that fit with the arc-shaped portion.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model realizes the adjustment of the rotating shaft position through the driving assembly, and realizes the limit of the rotating shaft rotation position through the hinge plate, and realizes the connection between the rotating shaft and the seat basin through the cooperation of the strip hole and the rotating shaft, thereby ensuring the adjustment of the seat basin;

[0015] 2. The utility model realizes the detachable connection between the driving cylinder and the mounting frame through the cooperation of the plug-in groove, the arc-shaped portion and the rotating block, thereby facilitating the disassembly and assembly of the driving cylinder;

[0016] In a word, the utility model has the advantage of guaranteed support. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the installation structure of the utility model and the seat;

[0019] Figure 3 For this utility model Figure 1 axonometric drawing;

[0020] Figure 4 For this utility model Figure 1 Schematic diagram of the installation structure of the drive cylinder.

[0021] In the figure, 1, seat basin, 2, fixing frame, 3, strip hole, 4, rotating shaft, 5, hinged head, 6, linkage part, 7, hinged plate, 8, mounting seat, 9, driving cylinder, 91, rotating block, 10, hinged frame, 11, mounting frame, 111, plug-in groove, 112, arc-shaped part, 12, motor, 13, threaded shaft, 14, fixing rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-4 As shown, a half-basin front lifting mechanism for a car seat comprises a seat basin 1 rotatably connected to the seat and a fixing rod 14 fixed to the seat, two mounting seats 8 are fixed to the fixing rod 14, the mounting seats 8 are hinged with a hinge plate 7, the other ends of the two hinge plates 7 are hingedly connected with a rotating shaft 4, the rotating shaft 4 is provided with a driving assembly fixed to the fixing rod 14, so as to drive the rotating shaft 4 to rotate up and down with the rotating connection point between the hinge plate 7 and the fixing rod 14 as the center;

[0024] Two fixing frames 2 are arranged at the bottom of the basin 1. The fixing frames 2 are provided with strip holes 3. The rotating shaft 4 is located in the strip holes 3.

[0025] When in use, the driving assembly works and drives the rotating shaft 4 to move, the rotating shaft 4 rotates along the hinge point of the hinge plate 7 and the mounting seat 8 as the center of the circle, the rotating shaft 4 moves along the strip hole 3 and drives the seat basin 1 to rotate around the connection point between the seat and the seat basin 1 as the center of the circle, and the seat basin 1 rotates and moves upward;

[0026] When resetting is required, the control drive component can be reset.

[0027] In this embodiment, the seat basin 1 is fixed with two articulated frames 10 which are rotatably connected to the seat by bolts;

[0028] When in use, the seat pan 1 is connected to the seat in rotation by the hinge frame 10 to ensure adjustment.

[0029] In this embodiment, the driving assembly includes a mounting frame 11 fixed on a fixing rod 14, a driving cylinder 9 rotatably connected in the mounting frame 11, a threaded shaft 13 located in the driving cylinder 9, and a motor 12 fixed on the driving cylinder 9. The motor 12 can drive the threaded shaft 13 to move up and down through the driving cylinder 9. One end of the threaded shaft 13 is rotatably connected to a linkage member 6 connected to the rotating shaft 4. A worm wheel and a worm are connected in the driving cylinder 9 through a bearing. The worm wheel and the worm are meshed with each other. The threaded shaft 13 is threaded through the worm wheel. The worm is fixed on the output shaft of the motor 12. The linkage member 6 is provided with an arc-shaped notch. The arc-shaped notch abuts or is rotatably connected to the rotating shaft 4. The threaded shaft 13 is tilted from bottom to top so that the threaded shaft 13 can push the linkage member 6 to move upward.

[0030] When in use, the motor 12 works and drives the threaded shaft 13 to move up and down through the worm gear, and the threaded shaft 13 drives the rotating shaft 4 to move up and down through the linkage member 6, thereby realizing the lifting adjustment of the seat basin 1.

[0031] In this embodiment, an articulated head 5 is fixed to one end of the threaded shaft 13 extending out of the driving cylinder 9 , and the articulated head 5 is articulatedly connected to the linkage member 6 .

[0032] In this embodiment, a rectangular rotating block 91 is fixed on both sides of the driving cylinder 9, a round hole for the rotating block 91 to be inserted is provided on one side of the mounting frame 11, and a plug-in slot 111 for the rotating block 91 to be inserted is provided on the other side of the mounting frame 11, the slot width of the plug-in slot 111 is smaller than the length of the rotating block 91, and the plug-in slot 111 is provided with an arc portion 112 for the rotating block 91 to rotate, and both ends of the rotating block 91 are semicircular surfaces that fit the arc portion 112;

[0033] When the drive cylinder 9 needs to be installed, the drive cylinder 9 is inserted into the mounting frame 11 so that one rotating block 91 is aligned with the circular hole and the other rotating block 91 is inserted into the insertion groove 111. The drive cylinder 9 is moved so that one rotating block 91 is inserted into the circular hole. At this time, the other rotating block 91 is located at the arc portion 112. Then the drive cylinder 9 is rotated. At this time, the other rotating block 91 rotates into the arc portion 112, and the two rotating blocks 91 are first rotatably connected in cooperation with the circular hole and the arc portion 112, which facilitates the installation of the drive cylinder 9. When it needs to be removed, it is only necessary to rotate the drive cylinder 9 so that the rotating block 91 is disengaged from the arc portion 112 and is located in the drive cylinder 9, so that the other rotating block 91 is disengaged from the circular hole, and then the drive cylinder 9 is moved out of the mounting frame 11.

[0034] When the seat basin 1 is adjusted, the maximum rotation angle of the driving block does not exceed half of the angle between the two end points of the arc-shaped portion 112 , so that the driving block cannot be separated from the arc-shaped portion 112 .

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein; any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A half-basin front lifting mechanism for a car seat, comprising a seat basin rotatably connected to the seat and a fixing rod fixed to the seat, characterized in that: At least two hinged plates are rotatably connected to the fixed rod, and the other ends of the plurality of hinged plates are rotatably connected to a rotating shaft, and the rotating shaft is provided with a driving assembly fixed to the fixed rod to drive the rotating shaft to rotate up and down with the rotating connection point between the hinged plate and the fixed rod as the center; At least one fixing frame is arranged at the bottom of the basin, and a strip hole is opened on the fixing frame, and the rotating shaft is located in the strip hole.

2. The half-basin front lifting mechanism for a car seat according to claim 1, characterized in that: The seat basin is provided with two hinged frames rotatably connected with the seat.

3. The half-basin front lifting mechanism for a car seat according to claim 1, characterized in that: The driving assembly includes a mounting frame fixed on a fixed rod, a driving cylinder rotatably connected to the mounting frame, a threaded shaft located in the driving cylinder, and a motor fixed to the driving cylinder. The motor can drive the threaded shaft to move up and down through the driving cylinder. One end of the threaded shaft is rotatably connected to a linkage member connected to a rotating shaft.

4. The half-basin front lifting mechanism for a car seat according to claim 3, characterized in that: A worm wheel and a worm are rotatably connected in the driving cylinder, the worm wheel is meshed with the worm, the threaded shaft is threaded through the worm wheel, and the worm is fixed on the output shaft of the motor.

5. The half-basin front lifting mechanism for a car seat according to claim 4, characterized in that: A hinged head is fixed to one end of the threaded shaft extending out of the driving cylinder, and the hinged head is rotatably connected to the linkage member.

6. The front lifting mechanism of the half-basin of the automobile seat according to claim 5, characterized in that: Rectangular rotating blocks are provided on both sides of the driving cylinder, a round hole for the rotating block to be plugged into is provided on one side of the mounting frame, and a plug-in slot for the rotating block to be plugged into is provided on the other side of the mounting frame, the slot width of the plug-in slot is smaller than the length of the rotating block, the plug-in slot is provided with an arc-shaped portion for the rotating block to rotate, and both ends of the rotating block are semicircular surfaces that fit with the arc-shaped portion.

Images