Air cylinder drive-by-wire mechanism for seat and drive-by-wire chassis

Abstract

The utility model relates to the field of seats, in particular to an air cylinder drive-by-wire mechanism for a seat and a drive-by-wire chassis. The air cylinder drive-by-wire mechanism for the seat comprises a control part, the control part comprises a mounting block, a thread rope is arranged on the mounting block, a shifting rod is rotationally mounted on the mounting block, and the shifting rod is in transmission connection with the thread rope; the device further comprises a pressing block, a rotating shaft is arranged in the middle of the pressing block, the pressing block can rotate on the rotating shaft, and one end of the pressing block is in transmission connection with the rope. The air cylinder drive-by-wire mechanism for the seat has the advantages of being flexible in control, stable and reliable, adapts to various air cylinders with different switch heights in the market, and solves the problems of seat lifting failure or automatic lifting pain points caused by poor adaptability or manufacturing errors in the industry.

Description

Technical Field

[0001] The utility model relates to the field of seats, in particular to a cylinder wire-controlled mechanism and a wire-controlled chassis for seats. Background Art

[0002] The existing seat lifting cylinder control structure will be equipped with a lifting plate, one end of which is rotatably installed, and a rope is used to pull the other end of the lifting plate, so that the lifting plate controls the cylinder switch to achieve seat lifting.

[0003] For example, the patent document with announcement number CN206403496U discloses a wire-controlled seat chassis, including an outer shell, a wire-controlled device and a lifting and lowering pressure plate. The bottom surface of the outer shell is provided with a gas spring switch mounting portion, one end of the lifting and lowering pressure plate is hinged to one side of the inner shell, and the wire-controlled device is located on the other side of the outer shell. The wire-controlled device includes a pull wire with one end fixedly connected to the other end of the lifting and lowering pressure plate, and the pull wire can pull the lifting and lowering pressure plate downward. A clamping portion is provided in the middle of the lifting and lowering pressure plate, which is opposite to the gas spring switch mounting portion, and the lifting and lowering pressure plate is provided with a reset mechanism for moving the lifting and lowering pressure plate upward.

[0004] For another example, the patent document with announcement number CN214016781 U discloses a multi-speed adjustable wire-controlled seat chassis, including a protective cover, an upper end surface of the adjusting nut is provided with a bowl-shaped gasket, an upper end surface of the bowl-shaped gasket is provided with a spring, an upper end surface of the protective cover is provided with a movable seat, a locking pull wire steel cable and a lifting pull wire steel cable are respectively provided inside the movable seat, a screw is provided on the upper end surface of the chassis, a fixing plate is provided on the upper end surface of the locking plate, and a locking pressure plate is provided on the upper end surface of the fixing plate.

[0005] However, in the above technology, when one end of the lifting pressure plate is pulled, the middle of the lifting pressure plate needs to contact the cylinder control switch, so the pulling stroke is large and the control is inconvenient. At the same time, due to the manufacturing errors of the cylinder and chassis, the seat lifting fails or rises automatically.

[0006] Therefore, a seat cylinder wire control mechanism is proposed to solve the above technical problems. Utility Model Content

[0007] In order to solve the above technical problems, the purpose of the present utility model is to provide a cylinder wire control mechanism for a seat, which can control the cylinder switch by pulling a very small stroke.

[0008] A large space is reserved between the working surface of the pressure block and the cylinder switch; this mechanism has the advantages of easy, stable and reliable operation, and can be adapted to cylinders of various switch heights on the market, with a wider range of adaptability; it perfectly solves problems such as seat lifting failure or automatic lifting caused by different cylinder switch heights and manufacturing errors of the chassis; this wire-controlled chassis has the advantage of comprehensive control of the seat.

[0009] The technical solution adopted by the present invention to solve the problem is: a cylinder wire control mechanism and a wire control chassis for a seat, including: a control part, the control part includes a mounting block, the mounting block is provided with a wire rope, the mounting block is rotatably mounted with a shift rod, the shift rod is connected to the wire rope transmission; and also includes a pressure block, the middle part of the pressure block is provided with a rotating shaft, the pressure block can rotate on the rotating shaft, and one end of the pressure block is connected to the wire rope transmission.

[0010] As a further improvement of the above technical solution, it also includes a torsion spring, which is arranged on the rotating shaft, one end of the torsion spring is fixedly arranged, and the other end of the torsion spring is fixedly connected to the pressure block.

[0011] As a further improvement of the above technical solution, it also includes a mounting member, which includes a lower shell and an upper shell, an installation chamber is formed between the upper shell and the lower shell, and the rotating shaft is fixedly installed in the installation chamber.

[0012] As a further improvement of the above technical solution, a slide is slidably installed on the top of the upper shell, a first rack is provided at the bottom of the slide, a first sliding seat is provided at the top of the upper shell, a locking pin is slidably installed in the first sliding seat, the locking pin is adapted to the first rack, and the locking pin is controlled by the control unit.

[0013] As a further improvement of the above technical solution, a first spring is provided on the locking pin.

[0014] As a further improvement of the above technical solution, a rotating part is rotatably installed at one end of the lower shell, and a second rack is provided on the rotating part. A second sliding seat is fixedly installed in the lower shell, and a lock tongue is slidably installed in the second sliding seat, and the lock tongue corresponds to the second rack. A connecting part is rotatably installed on the second sliding seat, and the connecting part is controlled by a control part. One end of the connecting part is transmission connected to the lock tongue, and the other end of the connecting part is transmission connected to the rope on the control part.

[0015] As a further improvement of the above technical solution, it also includes a second spring, which is connected to the connecting member and the second sliding seat.

[0016] The beneficial effects of the utility model are: a cylinder wire-controlled mechanism for a seat has the advantages of flexible control and easy operation; a wire-controlled chassis can control the lifting and lowering, front and rear translation and backrest angle adjustment of the seat, and has multiple functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further explained below with reference to the accompanying drawings and specific implementation methods.

[0018] Figure 1 A schematic diagram of the cylinder wire control mechanism for a seat provided by the present invention;

[0019] Figure 2 for Figure 1 An enlarged view of the structure of the shown part;

[0020] Figure 3 A schematic diagram of the wire-controlled chassis provided by the present invention;

[0021] Figure 4 for Figure 3 Exploded view shown;

[0022] Figure 5 for Figure 3 an enlarged view of portion A shown;

[0023] Figure 6 for Figure 3 Schematic diagram of the middle part structure.

[0024] In the figure: 1. Control unit; 11. Mounting block; 12. Rope; 121. First rope; 122. Second rope; 123. Third rope; 13. Lever; 131. First lever; 132. Second lever; 133. Third lever; 2. Pressing block; 3. Mounting member; 31. Lower shell; 32. Upper shell; 4. Slide plate; 41. First rack; 42. First sliding seat; 43. Lock pin; 5. Rotating member; 51. Second rack; 6. Second sliding seat; 61. Lock tongue; 62. Connecting member. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0027] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0029] Reference Figures 1 to 2 A cylinder wire control mechanism for a seat includes: a control unit 1, comprising a mounting block 11, a cable 12 provided on the mounting block 11, a lever 13 rotatably mounted on the mounting block 11, the lever 13 being in transmission connection with the cable 12; the lever 13 including a third lever 133, the cable 12 including a third cable 123; and a pressure block 2 having a central portion provided with a rotating shaft, the pressure block 2 being capable of rotating on the rotating shaft, one end of the pressure block 2 being in transmission connection with the third cable 123. Because the pressure block 2 can rotate along the central portion of the rotating shaft, the third cable 123 pulls one end of the pressure block 2 to rotate, while the other end can rotate by the same angle. After the rotation, the cylinder switch is pressed, eliminating the need to toggle the third lever 133 over a long distance, making operation convenient.

[0030] As a preferred embodiment, a torsion spring is further included. The torsion spring is mounted on the rotating shaft, with one end of the torsion spring fixedly disposed and the other end of the torsion spring fixedly connected to the pressure block 2. One end of the torsion spring is fixed to the seat, and the other end is fixed to the pressure block 2. Therefore, when the pressure block 2 rotates, the torsion spring accumulates energy, and when the third lever 133 is released, the pressure block 2 can be reset.

[0031] Reference Figures 3 to 6 A wire-controlled chassis includes a cylinder wire-controlled mechanism for a seat, and also includes a mounting member 3, the mounting member 3 includes a lower shell 31 and an upper shell 32, an installation chamber is formed between the upper shell 32 and the lower shell 31, and a rotating shaft is fixedly installed in the installation chamber.

[0032] As a preferred embodiment, a slide plate 4 is slidably mounted on the top of the upper shell 32. A first rack 41 is provided at the bottom of the slide plate 4. A first sliding seat 42 is provided at the top of the upper shell 32. A locking pin 43 is slidably mounted within the first sliding seat 42. The locking pin 43 is adapted to mate with the first rack 41 and is controlled by the control unit 1. The lever 13 includes a first lever 131, and the cord 12 includes a first cord 121. The control unit 1 that controls the movement of the locking pin 43 is independent of the control unit 1 that controls the cylinder wire control mechanism. The slide plate 4 is used to mount the seat cushion. During use, the first lever 131 is rotated to control the extension and retraction of the first cord 121, thereby driving the extension and retraction of the locking pin 43. When the locking pin 43 is extended and engages with the first rack 41, the slide plate 4 cannot move. This allows for control of the fore-and-aft position of the seat.

[0033] As a preferred embodiment, a first spring is provided on the locking pin 43. When the first lever 131 is rotated to pull the first string 121, the locking pin 43 moves away from the first rack 41, compressing the first spring to store energy. Conversely, when the first lever 131 is reset, the elastic force of the first spring causes the locking pin 43 to reengage with the first rack 41.

[0034] As a preferred embodiment, a rotating part 5 is rotatably installed at one end of the lower shell 31, and the rotating part 5 is rotatably connected to the upper shell 32 through a rotating shaft, and the lower shell 31 is rotatably connected to the upper shell 32 through a rotating shaft; a second rack 51 is provided on the upper shell 32, and a second sliding seat 6 is fixedly installed in the lower shell 31, and a lock tongue 61 is slidably installed in the second sliding seat 6, and the lock tongue 61 corresponds to the second rack 51, and a connecting member 62 is rotatably installed on the second sliding seat 6, and the connecting member 62 is controlled by the control unit 1, the lever 13 includes a second lever 132, and the rope 12 includes a second rope 122, one end of the connecting member 62 is transmission connected to the lock tongue 61, and the other end of the connecting member 62 is transmission connected to the second rope 122. The control unit 1 that controls the movement of the lock tongue 61 is independent of the control unit 1 that controls the cylinder wire control mechanism. The rotating member 5 is used to install the seat back. When the lock tongue 61 is engaged with the second rack 51, the rotating member 5 cannot rotate. On the contrary, when the second lever 131 of the control unit 1 pulls the connecting member 62 and further controls the movement of the lock tongue 61, the lock tongue 61 moves away from the second rack 51. At this time, the rotating member 5 can rotate.

[0035] As a preferred embodiment, a second spring is further included, which is connected to the connecting member 62 and the second sliding seat 6. When the second lever 132 is rotated to pull the second wire 122, the locking tongue 61 moves away from the second rack 51, and the second spring is compressed to store energy. Conversely, when the second lever 132 is reset, the elastic force of the second spring can cause the locking tongue 61 to re-engage with the second rack 51.

[0036] The above are only preferred embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A cylinder wire control mechanism for a seat, characterized in that: include: A control unit (1), the control unit (1) comprising a mounting block (11), a string (12) being provided on the mounting block (11), a shift lever (13) being rotatably mounted on the mounting block (11), and the shift lever (13) being in transmission connection with the string (12); It also includes a pressing block (2), wherein a rotating shaft is provided in the middle of the pressing block (2), the pressing block (2) can rotate on the rotating shaft, and one end of the pressing block (2) is transmission-connected to a wire rope (12).

2. The seat cylinder wire control mechanism according to claim 1, characterized in that: It also includes a torsion spring, which is arranged on the rotating shaft, one end of the torsion spring is fixedly arranged, and the other end of the torsion spring is fixedly connected to the pressing block (2).

3. A wire-controlled chassis, comprising the cylinder wire-controlled mechanism for a seat according to claim 1 or 2, characterized in that: It also includes a mounting member (3), the mounting member (3) including a lower shell (31) and an upper shell (32), an installation chamber is formed between the upper shell (32) and the lower shell (31), and the rotating shaft is fixedly installed in the installation chamber.

4. The wire-controlled chassis according to claim 3, characterized in that: A slide plate (4) is slidably mounted on the top of the upper shell (32), a first rack (41) is provided at the bottom of the slide plate (4), a first sliding seat (42) is provided at the top of the upper shell (32), a locking pin (43) is slidably mounted in the first sliding seat (42), the locking pin (43) is adapted to the first (41), and the locking pin (43) is controlled by the control unit (1).

5. The wire-controlled chassis according to claim 4, characterized in that: The lock pin (43) is provided with a first spring.

6. The wire-controlled chassis according to claim 5, characterized in that: A rotating member (5) is rotatably mounted on one end of the lower shell (31), and a second rack (51) is provided on the rotating member (5). A second sliding seat (6) is fixedly mounted in the lower shell (31), and a locking tongue (61) is slidably mounted in the second sliding seat (6), and the locking tongue (61) corresponds to the second rack (51). A connecting member (62) is rotatably mounted on the second sliding seat (6), and the connecting member (62) is controlled by the control unit (1). One end of the connecting member (62) is transmission-connected to the locking tongue (61), and the other end of the connecting member (62) is transmission-connected to the string (12) on the control unit (1).

7. The wire-controlled chassis according to claim 6, characterized in that: It also includes a second spring, which is connected to the connecting member (62) and the second sliding seat (6).

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