Electric seat angle adjuster

Abstract

The utility model discloses an electric seat angle adjuster, and belongs to the technical field of seats. The electric seat angle adjuster comprises a square rod, connecting sleeves are installed on the two sides of the square rod, fixed frames are rotationally connected to one ends of the outer sides of the connecting sleeves, movable frames are fixedly connected to the other ends of the outer sides of the connecting sleeves, an angle adjusting mechanism is installed on one side of one fixed frame, and the angle adjusting mechanism comprises a shell; one side of the shell is fixedly connected with one side of one fixing frame, the bottom end of the shell is connected with a bottom shell, one end of the square rod extends into the shell, one end of the square rod is sleeved with a worm wheel, the inner side of the bottom shell is rotationally connected with a transmission shaft, the outer side of the transmission shaft is sleeved with a worm, the worm is meshed with the worm wheel, and a motor is installed on one end face of the bottom shell. According to the multi-angle adjusting seat, the function of laying the seat flat can be effectively achieved, the multi-angle adjusting requirement of a user is met, and the multi-angle adjusting seat has high practical value.

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to an electric seat adjuster. Background Technique

[0002] A seat adjuster is an important component installed on various seats such as car seats and office seats. Its main function is to adjust the backrest angle of the seat to meet the different sitting posture needs of users. For example, during driving, the driver can adjust the backrest angle of the seat according to their comfort level and driving vision requirements to find the best driving posture. In an office scenario, employees can adjust the backrest angle of the seat at any time according to their working state and physical fatigue level to relieve the pressure on the waist.

[0003] Based on the above, the inventor found the following problems: When the existing electric seat adjuster is in use, the adjustment angle is small, resulting in the seat not having a flat - laying function, which affects the user experience.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and an electric seat adjuster is provided with the expectation of achieving a more practical value. Content of the Utility Model

[0005] The purpose of the utility model is to provide an electric seat adjuster to solve the problem that when the existing electric seat adjuster is in use, the adjustment angle is small, resulting in the seat not having a flat - laying function, which affects the user experience as mentioned in the above background technique.

[0006] In view of the above problems, the technical solution proposed by the utility model is:

[0007] An electric seat adjuster includes a square rod. Connecting sleeves are installed on both sides of the square rod. One end of the outer side of the connecting sleeve is rotatably connected to a fixed frame, and the other end of the outer side of the connecting sleeve is fixedly connected to a movable frame. An angle - adjusting mechanism is installed on one side of one of the fixed frames. The angle - adjusting mechanism includes a housing. One side of the housing is fixedly connected to one side of one of the fixed frames. The bottom end of the housing is connected to a bottom shell. One end of the square rod extends into the interior of the housing. A worm gear is sleeved on one end of the square rod. A transmission shaft is rotatably connected to the inner side of the bottom shell. A worm is sleeved on the outer side of the transmission shaft. The worm meshes with the worm gear. Further, a motor is installed on one end face of the bottom shell, and the output end of the motor is connected to one end of the transmission shaft.

[0008] The beneficial effect of adopting the above - mentioned further scheme is that the electric rotation of the transmission shaft is realized by connecting the output end of the motor to one end of the transmission shaft.

[0009] Further, a first limiting ring is sleeved on one end of the connecting sleeve, and one side of the first limiting ring is in contact with one side of the fixed frame.

[0010] The beneficial effect of adopting the above further solution is that by sleeving a first limiting ring on one end of the connecting sleeve, the separation between the fixed frame and the connecting sleeve is effectively prevented.

[0011] Further, a second limiting ring is sleeved on the other end of the connecting sleeve, and one side of the second limiting ring is in contact with one side of the movable frame.

[0012] The beneficial effect of adopting the above further solution is that by sleeving a second limiting ring on the other end of the connecting sleeve, the separation between the movable frame and the connecting sleeve is effectively prevented.

[0013] Further, a square slot is formed in the inner side of the connecting sleeve, and the outer side of the square rod is inserted into the inner side of the square slot.

[0014] The beneficial effect of adopting the above further solution is that by inserting the outer side of the square rod into the inner side of the square slot, when the square rod rotates, the connecting sleeve can be driven to rotate, thereby realizing the rotation of the movable frame.

[0015] Further, a pair of first mounting holes are formed in one side of the fixed frame.

[0016] The beneficial effect of adopting the above further solution is that by forming a pair of first mounting holes in one side of the fixed frame, it is convenient to connect the product to the seat cushion frame.

[0017] Further, a pair of second mounting holes are formed in one side of the movable frame.

[0018] The beneficial effect of adopting the above further solution is that by forming a pair of second mounting holes in one side of the movable frame, it is convenient to connect the product to the backrest frame.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows: For this electric seat adjuster, through the settings of the fixed frame, connecting sleeve and movable frame, the backrest can be adjusted at multiple angles, and at the same time, the backrest can be laid flat. Through the meshing of the worm and the worm wheel, it is realized that when the transmission shaft rotates, the square rod rotates, causing the movable frame to rotate, so that the backrest can be steplessly adjusted and has self-locking property. By connecting the output end of the motor to one end of the transmission shaft, the electric rotation of the transmission shaft is realized. By sleeving a first limit ring at one end of the connecting sleeve, the separation of the fixed frame and the connecting sleeve is effectively prevented. By sleeving a second limit ring at the other end of the connecting sleeve, the separation of the movable frame and the connecting sleeve is effectively prevented. By inserting the inner side of the square slot into the outer side of the square rod, when the square rod rotates, it can drive the connecting sleeve to rotate, thereby realizing the rotation of the movable frame. By providing a pair of first mounting holes on one side of the fixed frame, it is convenient for the product to be connected to the seat cushion frame. By providing a pair of second mounting holes on one side of the movable frame, it is convenient for the product to be connected to the backrest frame. The present utility model can effectively realize the function of laying the seat flat, meet the user's multi-angle adjustment needs, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 FIG. 6 is one of the three-dimensional structural schematic diagrams disclosed in the embodiment of the present utility model;

[0021] Figure 2 FIG. 7 is another three-dimensional structural schematic diagram disclosed in the embodiment of the present utility model;

[0022] Figure 3 FIG. 8 is the third three-dimensional structural schematic diagram disclosed in the embodiment of the present utility model;

[0023] Figure 4 FIG. 9 is one of the disassembled three-dimensional structural schematic diagrams disclosed in the embodiment of the present utility model;

[0024] Figure 5 FIG. 10 is the second disassembled three-dimensional structural schematic diagram disclosed in the embodiment of the present utility model.

[0025] In the figures: 100, square rod; 101, connecting sleeve; 10101, square slot; 102, fixed frame; 10201, first mounting hole; 103, movable frame; 10301, second mounting hole; 104, first limit ring; 105, second limit ring; 106, angle adjustment mechanism; 10601, outer shell; 10602, bottom shell; 10603, transmission shaft; 10604, worm; 10605, worm wheel; 10606, motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Please refer to Figures 1 - 5 , the present invention provides a technical solution: an electric seat adjuster, including a square rod 100. Connecting sleeves 101 are installed on both sides of the square rod 100. One end of the outer side of the connecting sleeve 101 is rotatably connected to a fixed frame 102, and the other end of the outer side of the connecting sleeve 101 is fixedly connected to a movable frame 103. An angle adjustment mechanism 106 is installed on one side of one of the fixed frames 102. The angle adjustment mechanism 106 includes a housing 10601. One side of the housing 10601 is fixedly connected to one side of one of the fixed frames 102. The bottom end of the housing 10601 is connected to a bottom case 10602. One end of the square rod 100 extends into the interior of the housing 10601. A worm gear 10605 is sleeved on one end of the square rod 100. A transmission shaft 10603 is rotatably connected to the inner side of the bottom case 10602. A worm 10604 is sleeved on the outer side of the transmission shaft 10603. The worm 10604 meshes with the worm gear 10605. Through the settings of the fixed frame 102, the connecting sleeve 101 and the movable frame 103, the backrest can be adjusted at multiple angles, and at the same time, the backrest can be laid flat. Through the meshing of the worm 10604 and the worm gear 10605, it is realized that when the transmission shaft 10603 rotates, the square rod 100 can be rotated, and the movable frame 103 can be rotated, so as to realize stepless adjustment of the backrest and have self-locking at the same time.

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1 - 5, one end face of the bottom case 10602 is equipped with a motor 10606. The output end of the motor 10606 is connected to one end of a transmission shaft 10603. One end of a connecting sleeve 101 is sleeved with a first limiting ring 104. One side of the first limiting ring 104 is in contact with one side of a fixed frame 102. The other end of the connecting sleeve 101 is sleeved with a second limiting ring 105. One side of the second limiting ring 105 is in contact with one side of a movable frame 103. By connecting the output end of the motor 10606 to one end of the transmission shaft 10603, the transmission shaft 10603 is electrically rotated. By sleeving a first limiting ring 104 at one end of the connecting sleeve 101, the separation between the fixed frame 102 and the connecting sleeve 101 is effectively prevented. By sleeving a second limiting ring 105 at the other end of the connecting sleeve 101, the separation between the movable frame 103 and the connecting sleeve 101 is effectively prevented.

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0031] Please refer to Figures 1 - 5 , a square slot 10101 is provided inside the connecting sleeve 101. The outside of a square rod 100 is inserted into the inside of the square slot 10101. A pair of first mounting holes 10201 are provided on one side of the fixed frame 102, and a pair of second mounting holes 10301 are provided on one side of the movable frame 103. By inserting the outside of the square rod 100 into the inside of the square slot 10101, when the square rod 100 rotates, it can drive the connecting sleeve 101 to rotate, thereby realizing the rotation of the movable frame 103. By providing a pair of first mounting holes 10201 on one side of the fixed frame 102, it is convenient to connect the product to the seat cushion frame. By providing a pair of second mounting holes 10301 on one side of the movable frame 103, it is convenient to connect the product to the backrest frame.

[0032] Specifically, the working principle of this electric seat adjuster: When in use, through the settings of the fixed frame 102, the connecting sleeve 101 and the movable frame 103, the backrest can be adjusted at multiple angles, and at the same time, the backrest can be laid flat. Through the meshing of the worm 10604 and the worm wheel 10605, when the transmission shaft 10603 rotates, the square rod 100 can be rotated, and the movable frame 103 can be rotated, so as to realize stepless adjustment of the backrest, and at the same time, it has self-locking property. By connecting the output end of the motor 10606 and one end of the transmission shaft 10603, the electric rotation of the transmission shaft 10603 is realized. A first limiting ring 104 is sleeved at one end of the connecting sleeve 101, which effectively prevents the separation of the fixed frame 102 and the connecting sleeve 101. A second limiting ring 105 is sleeved at the other end of the connecting sleeve 101, which effectively prevents the separation of the movable frame 103 and the connecting sleeve 101. Through the insertion of the inner side of the square slot 10101 and the outer side of the square rod 100, when the square rod 100 rotates, the connecting sleeve 101 can be driven to rotate, so as to realize the rotation of the movable frame 103. A pair of first mounting holes 10201 are provided on one side of the fixed frame 102, which is convenient for the product to be connected with the seat cushion frame. A pair of second mounting holes 10301 are provided on one side of the movable frame 103, which is convenient for the product to be connected with the backrest frame. The utility model can effectively realize the function of laying the seat flat, meet the needs of users for multi-angle adjustment, and has high practical value.

Claims

1. An electric seat recliner, characterized in that: The invention comprises a square rod (100), both sides of which are provided with connecting sleeves (101), one end of the outer side of the connecting sleeve (101) is rotatably connected to a fixed frame (102), the other end of the outer side of the connecting sleeve (101) is fixedly connected to a movable frame (103), one side of one of the fixed frames (102) is provided with an angle adjustment mechanism (106), the angle adjustment mechanism (106) comprises a shell (10601), one side of the shell (10601) and one side of the fixed frame (102) are connected to each other. 02), the bottom end of the outer shell (10601) is connected to a bottom shell (10602), one end of the square rod (100) extends to the interior of the outer shell (10601), one end of the square rod (100) is sleeved with a worm gear (10605), the inner side of the bottom shell (10602) is rotatably connected to a transmission shaft (10603), the outer side of the transmission shaft (10603) is sleeved with a worm (10604), and the worm (10604) and the worm gear (10605) are meshed.

2. The electric seat recliner according to claim 1, characterized in that: A motor (10606) is installed on one end surface of the bottom shell (10602), and an output end of the motor (10606) is connected to one end of the transmission shaft (10603).

3. The electric seat recliner according to claim 1, characterized in that: A first limiting ring (104) is sleeved on one end of the connecting sleeve (101), and one side of the first limiting ring (104) is in contact with one side of the fixing frame (102).

4. The electric seat recliner according to claim 1, characterized in that: The other end of the connecting sleeve (101) is sleeved with a second limiting ring (105), and one side of the second limiting ring (105) is in contact with one side of the movable frame (103).

5. The electric seat recliner according to claim 1, characterized in that: A square slot (10101) is provided on the inner side of the connecting sleeve (101), and the inner side of the square slot (10101) is plugged into the outer side of the square rod (100).

6. The electric seat recliner according to claim 1, characterized in that: A pair of first mounting holes (10201) is formed on one side of the fixing frame (102).

7. The electric seat recliner according to claim 1, characterized in that: A pair of second mounting holes (10301) is provided on one side of the movable frame (103).

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