Seat backrest linked automobile seat and adjusting method

Abstract

The invention relates to the technical field of automobile seats, in particular to an automobile seat with a seat backrest linked and an adjusting method.The automobile seat comprises a fixing plate, a seat cushion connecting plate, a moving assembly and an adjusting assembly, and the adjusting assembly comprises a seat cushion body, a backrest body, a driving connecting rod, a round rod, a lifting connecting rod, a transmission component, a rotating component and a supporting component; the seat cushion body is installed on the seat cushion connecting plate, the backrest body is installed on the seat cushion body, the driving connecting rod is installed in the backrest body, the round rod is installed in the seat cushion body, the lifting connecting rod is installed on the round rod, the transmission component is installed on the driving connecting rod, the rotating component is installed on the driving connecting rod, and the supporting component is installed on the backrest body. The driving connecting rod is driven to move through the rotating component, the lifting connecting rod is jacked up through the transmission component, and the angle between the backrest body and the cushion body is adjusted, so that the angle between the cushion body and the backrest body can be adjusted, and the riding comfort is improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile seats, and in particular to an automobile seat with a seat back linkage and an adjustment method thereof. Background Art

[0002] Car seats are seats for passengers to sit in. They play a vital role in cars. They not only provide a comfortable riding experience, but are also directly related to the safety of driving and riding. Car seats are mainly composed of seat backs, headrests, cushions, armrests, seat belts and seat adjustment handles.

[0003] The existing patent CN218367481U discloses a car seat linkage mechanism, comprising two fixed plates, each of which is provided with a slide groove; wherein a slider is slidably installed inside the slide groove, a cross tube is passed through the slider, an electric hydraulic push rod is provided outside the cross tube, and a piston rod of the electric hydraulic push rod is fixedly connected to the outside of the cross tube; when in use, the fixed plate is installed in the car seat frame, the seat cushion of the car seat is installed on the second seat cushion connecting plate and the top of the first seat cushion connecting plate, and the backrest of the car seat is installed in the backrest connecting plate, and the operator can drive the cross tube to move in the slide groove through the electric hydraulic push rod when in use, thereby realizing the overall horizontal movement of the seat and increasing the comfort of the passengers.

[0004] However, when using the existing patented car seat, since the seat cushion is mounted on the seat cushion connecting plate and the backrest is mounted on the backrest connecting plate, the angle between the seat cushion and the backrest cannot be adjusted, thereby reducing the riding comfort. Summary of the invention

[0005] The purpose of the present invention is to provide a car seat with a seat back linkage and an adjustment method, which solves the above-mentioned problem that during the use of the car seat with a seat back linkage, since the seat cushion is installed on the seat cushion connecting plate and the backrest is installed on the backrest connecting plate, the angle between the seat cushion and the backrest cannot be adjusted, thereby reducing the riding comfort.

[0006] To achieve the above-mentioned objectives, the present invention provides a car seat with a seat back linkage, comprising a fixed plate, a cushion connecting plate, a movable assembly and an adjustment assembly, wherein the cushion connecting plate is mounted on the fixed plate through the movable assembly, and the adjustment assembly comprises a cushion body, a backrest body, a driving connecting rod, a round rod, a lifting connecting rod, a transmission component, a rotating component and a supporting component, the cushion body is fixedly mounted on the cushion connecting plate, the backrest body is mounted on the cushion body, the driving connecting rod is mounted in the backrest body, the round rod is fixedly mounted in the cushion body, the lifting connecting rod is mounted on the round rod, the lifting connecting rod is rotatably connected to the round rod, the transmission component is mounted on the driving connecting rod, the rotating component is mounted on the driving connecting rod, and the supporting component is mounted on the backrest body.

[0007] Among them, the transmission component includes a first pin shaft, a second pin shaft and a transmission rod, the driving connecting rod has a movable groove, the first pin shaft is installed on the movable groove, the lifting connecting rod has a limiting groove, the second pin shaft is installed on the limiting groove, one end of the transmission rod is fixedly installed on the first pin shaft, and the other end of the transmission rod is fixedly installed on the second pin shaft.

[0008] Wherein, the rotating component includes a rotating rod and a toggle block, the rotating rod is fixedly mounted on the driving shaft, and the toggle block is mounted on the rotating rod.

[0009] Wherein, the supporting component comprises a headrest and an insertion rod, the headrest is fixedly mounted on the insertion rod, and the insertion rod is mounted on the backrest body.

[0010] Among them, the moving component includes an electric cylinder, a driving shaft, a cross column and a sliding member, the electric cylinder is fixedly installed on the fixed plate, the driving shaft is installed on the electric cylinder, the driving shaft is fixedly connected to the output shaft of the electric cylinder, the cross column is fixedly installed on the driving shaft, and the seat cushion connecting plate is fixedly installed on the cross column.

[0011] Wherein, the sliding component includes a slider and a vibration-damping component, the fixed plate has a slide groove, the slider is installed on the slide groove, the slider is fixedly connected to the cross column, and the vibration-damping component is installed on the slide groove.

[0012] Wherein, the vibration-damping component comprises a vibration-damping spring and a vibration-damping pad, the vibration-damping spring is installed in the slide groove, and the vibration-damping pad is installed on the vibration-damping spring.

[0013] The present invention also provides a seat back linkage automobile seat adjustment method, which is applied to the seat back linkage automobile seat described above.

[0014] The present invention provides a car seat and adjustment method with a seat back linkage. When the angle of the backrest body needs to be adjusted, the toggle block is toggled by a handle, so that the rotating rod drives the driving connecting rod to move, drives the first pin shaft to move on the moving groove, causes one end of the transmission rod to move obliquely upward, causes the second pin shaft to move on the limiting groove, lifts the lifting connecting rod, adjusts the angle between the backrest body and the cushion body, and allows the rear end of the cushion body to rise as the backrest body is adjusted backward, thereby reducing the height difference between the rear end of the cushion body and the backrest body, thereby adjusting the angle between the cushion body and the backrest body to improve riding comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0016] Figure 1 It is a schematic diagram of the overall structure of a car seat with seat back linkage according to a first embodiment of the present invention.

[0017] Figure 2 It is a right side view of a car seat with seat back linkage according to a first embodiment of the present invention.

[0018] Figure 3 It is a cross-sectional view of a car seat with seat back linkage according to a first embodiment of the present invention.

[0019] Figure 4 It is a schematic diagram of the overall structure of a car seat with seat back linkage according to a second embodiment of the present invention.

[0020] Figure 5 It is a cross-sectional view of a car seat with seat back linkage according to a second embodiment of the present invention.

[0021] Figure 6 It is a schematic diagram of the overall structure of a car seat with seat back linkage according to a third embodiment of the present invention.

[0022] Figure 7 1. It is a bottom view of a car seat with seat back linkage according to a third embodiment of the present invention.

[0023] In the figure: 101-fixed plate, 102-seat cushion connecting plate, 103-seat cushion body, 104-backrest body, 105-driving connecting rod, 106-round rod, 107-lifting connecting rod, 108-first pin shaft, 109-second pin shaft, 110-transmission rod, 111-moving groove, 112-limiting groove, 113-rotating rod, 114-sliding block, 201-headrest, 202-insertion rod, 301-electric cylinder, 302-driving shaft, 303-cross column, 304-slider, 305-slide groove, 306-damping spring, 307-damping pad. DETAILED DESCRIPTION

[0024] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0025] The first embodiment of the present application is:

[0026] See also Figures 1 to 3The present invention provides a car seat with a seat back linkage, comprising a fixed plate 101, a cushion connecting plate 102, a moving assembly and an adjusting assembly, wherein the cushion connecting plate 102 is mounted on the fixed plate 101 through the moving assembly, and the adjusting assembly comprises a cushion body 103, a backrest body 104, a driving connecting rod 105, a round rod 106, a lifting connecting rod 107, a transmission component, a rotating component and a supporting component, wherein the cushion body 103 is fixedly mounted on the cushion connecting plate 102, the backrest body 104 is mounted on the cushion body 103, the driving connecting rod 105 is mounted in the backrest body 104, the round rod 106 is fixedly mounted in the cushion body 103, the lifting connecting rod 107 is mounted on the round rod 106, the lifting connecting rod 107 is rotatably connected to the round rod 106, the transmission component is mounted on the driving connecting rod 105, the rotating component is mounted on the driving connecting rod 105, and the supporting component is mounted on the backrest body 104. The cushion connecting plate 102 supports the cushion body 103; the cushion body 103 is rotatably connected to the backrest body 104, so that the angle of the cushion body 103 and the backrest body 104 can be changed, and the driving link 105 is driven by the rotating member to rotate, and drives the lifting link 107 to move through the transmission member to adjust the angle between the backrest body 104 and the cushion body 103; the round rod 106 supports the lifting link 107 to rotate; when in use, the driving link 105 is driven by the rotating member to move, and the lifting link 107 is lifted up through the transmission member to adjust the angle between the backrest body 104 and the cushion body 103, and the rear end of the cushion body 103 can be raised as the backrest body 104 is adjusted backward, reducing the height difference between the rear end of the cushion body 103 and the backrest body 104, so that the angle between the cushion body 103 and the backrest body 104 can be adjusted to improve riding comfort.

[0027] Among them, the transmission component includes a first pin shaft 108, a second pin shaft 109 and a transmission rod 110, the driving connecting rod 105 has a movable groove 111, the first pin shaft 108 is installed on the movable groove 111, the lifting connecting rod 107 has a limiting groove 112, the second pin shaft 109 is installed on the limiting groove 112, one end of the transmission rod 110 is fixedly installed on the first pin shaft 108, and the other end of the transmission rod 110 is fixedly installed on the second pin shaft 109. The first pin shaft 108 slides on the movable groove 111, and the first pin shaft 108 is installed on one end of the transmission rod 110 by welding. When the driving connecting rod 105 moves, the first pin shaft 108 slides on the movable groove 111, driving one end of the transmission rod 110 to move; the second pin shaft 109 slides on the limiting groove 112, and the second pin shaft 109 is installed on the other end of the transmission rod 110 by welding. Therefore, when the transmission rod 110 is moved on the movable groove 111 by the first pin shaft 108, the second pin shaft 109 is driven to move on the limiting groove 112, so that the transmission rod 110 is at a certain angle, and the lifting connecting rod 107 is rotated on the round rod 106, and the lifting connecting rod 107 is lifted up to reduce the height difference between the rear end of the seat cushion body 103 and the backrest body 104.

[0028] The rotating member includes a rotating rod 113 and a toggle block 114. The rotating rod 113 is fixedly mounted on the driving shaft, and the toggle block 114 is mounted on the rotating rod 113. The rotating rod 113 is mounted on the driving connecting rod 105 by welding, and the rotating rod 113 supports the toggle block 114. The toggle block 114 is controlled by a handle so that the toggle block 114 toggles the rotating rod 113.

[0029] When a car seat with a seat back linkage according to the present embodiment is in use, the toggle block 114 is toggled by a handle so that the rotating rod 113 drives the driving connecting rod 105 to move, drives the first pin shaft 108 to move on the moving groove 111, causes one end of the transmission rod 110 to move obliquely upward, causes the second pin shaft 109 to move on the limiting groove 112, lifts up the lifting connecting rod 107, adjusts the angle between the backrest body 104 and the cushion body 103, and allows the rear end of the cushion body 103 to rise as the backrest body 104 is adjusted backward, thereby reducing the height difference between the rear end of the cushion body 103 and the backrest body 104, thereby adjusting the angle between the cushion body 103 and the backrest body 104 to improve riding comfort.

[0030] The second embodiment of the present application is:

[0031] See also Figure 4 and Figure 5 Based on the first embodiment, the present invention provides a car seat with a seat back linkage, wherein the support member comprises a headrest 201 and a plug rod 202, wherein the headrest 201 is fixedly mounted on the plug rod 202, and the plug rod 202 is mounted on the backrest body 104. The headrest 201 plays the role of adjusting the support, supports the passenger's head, and improves the comfort and safety of riding; the plug rod 202 is fixedly connected to the headrest 201, and the plug rod 202 is plugged into the backrest body 104, so that the headrest 201 can be easily disassembled and installed.

[0032] When the car seat with seat back linkage of the present embodiment is in use and the head needs to be supported, the headrest 201 can be plugged and fixed to the backrest body 104 through the insertion rod 202, so as to support the head and improve comfort.

[0033] The third embodiment of the present application is:

[0034] See also Figure 6 and Figure 7 Based on the second embodiment, the present invention provides a car seat with a seat back linkage, wherein the moving assembly includes an electric cylinder 301, a driving shaft 302, a cross column 303 and a sliding member, the electric cylinder 301 is fixedly mounted on the fixed plate 101, the driving shaft 302 is mounted on the electric cylinder 301, the driving shaft 302 is fixedly connected to the output shaft of the electric cylinder 301, the cross column 303 is fixedly mounted on the driving shaft 302, and the cushion connecting plate 102 is fixedly mounted on the cross column 303. The electric cylinder 301 is installed on the fixed plate 101 by welding, and the electric cylinder 301 drives the pushing shaft 302; the pushing shaft 302 connects the electric cylinder 301 and the cross column 303, and pushes the cross column 303 to move; the cross column 303 supports the seat cushion connecting plate 102, and drives the seat cushion connecting plate 102 to move; the sliding component supports the cross column 303, so that the cross column 303 can move stably; when the seat cushion connecting plate 102 needs to be moved, the electric cylinder 301 is started, the pushing shaft 302 is driven, the cross column 303 is pushed, and the cross column 303 is moved stably through the sliding component, so that the seat cushion connecting plate 102 moves on the fixed plate 101 to achieve horizontal transverse movement.

[0035] The sliding member includes a slider 304 and a vibration-damping component. The fixed plate 101 has a slide groove 305. The slider 304 is mounted on the slide groove 305. The slider 304 is fixedly connected to the cross column 303. The vibration-damping component is mounted on the slide groove 305. The slide grooves 305 are provided on both sides of the fixed plate 101. The slide grooves 305 support the slider 304 to slide. There are two sliders 304. The two sliders 304 are located at both ends of the cross column 303. The slider 304 slides on the slide groove 305 to provide support force to both ends of the cross column 303, so that the cross column 303 can move stably.

[0036] The vibration-damping component includes a vibration-damping spring 306 and a vibration-damping pad 307. The vibration-damping spring 306 is installed in the slide slot 305, and the vibration-damping pad 307 is installed on the vibration-damping spring 306. Each of the slide slots 305 is installed with the vibration-damping spring 306, which supports the vibration-damping pad 307 and reduces the vibration generated during the movement, limits the movement of the seat cushion connecting plate 102, and reduces the impact force caused by direct collision; the vibration-damping pad 307 abuts against the slider 304 to reduce the vibration.

[0037] When a car seat with a seat back linkage in the present embodiment is in use, when it is necessary to move the position of the seat cushion connecting plate 102, the electric cylinder 301 is started to drive the driving shaft 302 to push the cross column 303, and the slider 304 slides on the slide groove 305 to make the cross column 303 move stably. At the same time, the vibration is reduced by the vibration-damping pad 307 and the vibration-damping spring 306, so that the seat cushion connecting plate 102 moves on the fixed plate 101 to achieve horizontal lateral movement.

[0038] The present invention also provides a seat back linkage automobile seat adjustment method, which is applied to the seat back linkage automobile seat described above.

[0039] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A car seat with a seat back linkage, comprising a fixed plate, a cushion connecting plate and a moving assembly, wherein the cushion connecting plate is mounted on the fixed plate through the moving assembly, characterized in that: Also included are adjustment components; The adjustment assembly includes a cushion body, a backrest body, a driving link, a round rod, a lifting link, a transmission component, a rotating component and a supporting component. The cushion body is fixedly mounted on the cushion connecting plate, the backrest body is mounted on the cushion body, the driving link is mounted in the backrest body, the round rod is fixedly mounted in the cushion body, the lifting link is mounted on the round rod, the lifting link is rotatably connected to the round rod, the transmission component is mounted on the driving link, the rotating component is mounted on the driving link, and the supporting component is mounted on the backrest body.

2. The seat back linkage automobile seat as claimed in claim 1, characterized in that: The transmission component includes a first pin shaft, a second pin shaft and a transmission rod, the driving connecting rod has a movable groove, the first pin shaft is installed on the movable groove, the lifting connecting rod has a limiting groove, the second pin shaft is installed on the limiting groove, one end of the transmission rod is fixedly installed on the first pin shaft, and the other end of the transmission rod is fixedly installed on the second pin shaft.

3. The seat back linkage automobile seat as claimed in claim 1, characterized in that: The rotating component comprises a rotating rod and a toggle block. The rotating rod is fixedly mounted on the driving shaft, and the toggle block is mounted on the rotating rod.

4. The seat back linkage automobile seat as claimed in claim 1, characterized in that: The supporting component comprises a headrest and an insertion rod, the headrest is fixedly mounted on the insertion rod, and the insertion rod is mounted on the backrest body.

5. The seat back linkage automobile seat as claimed in claim 1, characterized in that: The moving assembly includes an electric cylinder, a driving shaft, a cross column and a sliding member. The electric cylinder is fixedly mounted on the fixed plate, the driving shaft is mounted on the electric cylinder, the driving shaft is fixedly connected to the output shaft of the electric cylinder, the cross column is fixedly mounted on the driving shaft, and the seat cushion connecting plate is fixedly mounted on the cross column.

6. The seat back linkage automobile seat as claimed in claim 5, characterized in that: The sliding component comprises a sliding block and a vibration-damping component. The fixed plate has a sliding groove. The sliding block is mounted on the sliding groove. The sliding block is fixedly connected to the cross column. The vibration-damping component is mounted on the sliding groove.

7. The seat back linkage vehicle seat as claimed in claim 6, characterized in that: The vibration-damping component comprises a vibration-damping spring and a vibration-damping pad. The vibration-damping spring is installed in the slide groove, and the vibration-damping pad is installed on the vibration-damping spring.

8. A method for adjusting a car seat with a seat back linkage, characterized in that: A car seat with seat back linkage applied to any one of claims 1 to 7.

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