TWI633025B - Adjust linking device for seat - Google Patents

Abstract

The invention relates to a seat adjustment linkage device, comprising a first adjustment mechanism, wherein the first adjustment mechanism comprises a recliner linkage piece, a connecting piece, a steering bracket and a fixing bracket; the recliner linkage piece is sleeved on the angle adjuster shaft And the recliner linkage piece has an arc-shaped groove; one end of the connecting piece is relatively movably fastened to the arcuate groove, the other end is pivotally connected with the upper left part of the operating bracket, and the connecting piece and the operating bracket are interlocked with each other; The bracket is rotatably coupled to the fixing bracket through the rotating shaft, the operating bracket is bent to form a tongue portion, and the operating bracket has a dialing hand; the fixing bracket is fixed on the frame, and the fixing bracket is provided with a reset for resetting the operating bracket mechanism. Thereby, the function of the back bracket and the frame can be further realized without affecting the function of the back bracket and the stand alone, thereby facilitating the occupant to operate and enter and exit the car.

Description

Seat adjustment linkage

The present invention is an application for division of the "seat adjustment linkage device" of the Japanese Patent Application No. 104103802, filed on Feb. 04, 2004.

At present, most of the car seats on the market have simple functions, and only the front and rear of the seat, or the front and rear elevation angles of the backrest are separately adjusted, especially for the rear seats, the function is simple and is not conducive to the occupant's comfort requirements or entry and exit requirements.

An object of the present invention is to provide a seat adjustment linkage device that not only realizes individual adjustment of the back bracket and the seat frame, but also enables interlocking adjustment of the back bracket and the seat frame.

In order to achieve the above object, the present invention provides a seat adjustment linkage device including a recliner, a frame and a first adjustment mechanism, the recliner including a recliner shaft, the first adjustment mechanism including a a recliner linkage piece, a connecting piece, a steering bracket and a fixing bracket; the recliner linkage piece is sleeved on the recliner shaft, and the recliner linkage piece has an arc groove; the connecting piece One end of the bracket is fastened to the arcuate groove, and the other end is connected to the operating bracket, so that the connecting piece and the operating bracket are interlocked with each other; the operating bracket is rotatably coupled to the fixing bracket through a rotating shaft The one end of the operating bracket is bent to form a tongue, and the operating bracket has a dialing hand; The fixing bracket is fixed on the mounting frame, and the fixing bracket is provided with a reset mechanism for resetting the operating bracket; one end of the resetting mechanism is fixed to the tongue portion, and the other end is fixed on the fixing bracket; The steering bracket is further provided with a sliding slot and a second positioning hole. The sliding slot is located at a right portion of the operating bracket, and the second positioning hole is adjacent to a right end of the operating bracket. The first adjusting mechanism further includes a a transmission bracket is disposed between the steering bracket and the fixing bracket, the transmission bracket includes a set of connecting holes, a locking hook and a card slot, wherein the socket is located in a middle portion of the transmission bracket, and the transmission The bracket is sleeved on the rotating shaft through the sleeve, the locking hook is located at an upper end of the driving bracket, and the locking hook extends out of the sliding slot and can be moved along the sliding slot, the slot is located A second tension spring is fixed between the card slot and the second positioning hole at a right end of the transmission bracket.

The invention has the advantages that the invention can further realize the linkage of the back bracket and the frame without affecting the function of the back bracket and the frame separately, thereby facilitating the occupant to operate and enter and exit the vehicle.

100‧‧‧Seat adjustment linkage

1‧‧‧Corner

11‧‧‧Corner shaft

2‧‧‧Rack

3‧‧‧First adjustment agency

31‧‧‧Corner linker

311‧‧‧ arc groove

32‧‧‧Connecting piece

321‧‧‧Extension

322‧‧‧First positioning hole

33‧‧‧Operator bracket

331‧‧‧hook

332‧‧‧ tongue

333‧‧‧Hands

334‧‧‧Chute

335‧‧‧Second positioning hole

34‧‧‧Fixed bracket

341‧‧‧ collar

342‧‧‧right angle members

343‧‧ ‧Flap

35‧‧‧Drive bracket

351‧‧‧ socket

352‧‧‧Check hook

353‧‧‧ card slot

354‧‧‧ Pressing Department

36‧‧‧First tension spring

37‧‧‧ shaft

38‧‧‧Second tension spring

39‧‧‧First torsion spring

4‧‧‧Second adjustment mechanism

41‧‧‧ linkage bracket

411‧‧‧Operation Department

412‧‧‧ card hold

42‧‧‧Swing arm

421‧‧‧ openings

43‧‧‧First hook bracket

44‧‧‧ linkage arm

45‧‧‧Second hook bracket

46‧‧‧First shaft pin

47‧‧‧Second shaft pin

48‧‧‧Second torsion spring

49‧‧‧Fixed shaft

5‧‧‧Back bracket

1 is a schematic view showing the combination of the seat adjusting and interlocking device of the present invention.

2 is a schematic view showing the combination of the first adjustment mechanism of the present invention.

Figure 3 is a perspective view of the transmission bracket of the present invention.

Figure 4 is a combination view of the fixing bracket and the seat frame of the present invention.

Figure 5 is a schematic view showing the combination of the second adjustment mechanism and the mount of the present invention.

Fig. 6 is a perspective view showing the second adjustment mechanism of the present invention.

The detailed description and technical content of the present invention are set forth in the accompanying drawings.

Referring to FIG. 1 and FIG. 2, the present invention provides a seat adjustment linkage device 100, which mainly includes a recliner 1, a frame 2 and a first adjustment mechanism 3.

The recliner 1 includes a recliner shaft 11 which is an upper position of the piercing mount 2. The first adjusting mechanism 3 includes a recliner linkage 31, a connecting piece 32, a steering bracket 33, a fixing bracket 34 and a transmission bracket 35; the recliner linkage 31 is tightly sleeved on the recliner shaft 11 and the recliner link piece 31 defines an arcuate groove 311; the upper end portion of the connecting piece 32 is relatively movably fastened to the arcuate groove 311, and the lower end portion and the upper left side of the operating bracket 33 The first locating hole 322 is disposed on the extending portion 321; the first locating hole 322 is defined in the lower end portion of the connecting piece 32; The lower left portion of the operating bracket 33 has a hook portion 331 connected between the hook portion 331 and the first positioning hole 322 through a first tension spring 36.

The operating bracket 33 is rotatably coupled to the fixing bracket 34 via a rotating shaft 37. The upper end portion of the operating bracket 33 is outwardly bent into a tongue portion 332, and the right end portion of the operating bracket 33 has a handle 333 (see 1), an external force (such as a cable combination) drives the operating bracket 33 through the dialing hand 333; the operating bracket 33 is further provided with a sliding slot 334 and a second positioning hole 335, the sliding slot 334 is located at the right of the operating bracket 33 The second positioning hole 335 is adjacent to the right end of the operating bracket 33.

Referring to FIG. 1 to FIG. 3, the transmission bracket 35 is disposed between the operating bracket 33 and the fixing bracket 34. The transmission bracket 35 includes a set of connecting holes 351, a locking hook 352 and a card slot 353. The socket 351 is located in the middle of the transmission bracket 35, and the transmission bracket 35 is sleeved on the rotating shaft 37 through the sleeve hole 351; the locking hook 352 is located at the upper end of the transmission bracket 35, and the locking hook 352 The sliding slot 334 is extended and can be disposed along the sliding slot 334. The card slot 353 is located at the right end of the transmission bracket 35, and is fixed to the slot 353 and the second positioning hole through a second tension spring 38. Between 335.

When working, the second tension spring 38 pulls the slot 353 of the transmission bracket 35, so that the transmission bracket 35 moves along the steering bracket 334 while rotating, the locking hook 352 moves in the sliding slot 334. The position is such that the position and rotational speed between the transmission bracket 35 and the steering bracket 33 can be kept relatively constant.

Referring to FIG. 4, the fixing bracket 34 is fixed on the frame 2, and the fixing bracket 34 is provided with a reset mechanism for resetting the operating bracket 33. One end of the resetting mechanism is fixedly connected to the tongue. The other end is fixed to the fixing bracket 34. The reset mechanism of this embodiment is a first torsion spring 39. The fixing bracket 34 includes a convex ring 341, two right angle members 342 and two blocking pieces 343. The rotating shaft 37 is disposed at a center of the convex ring 341. The two right angle members 342 are respectively connected to the lower side of the convex ring 341. Each of the right angle members 342 is pivotally disposed on the frame 2, and a vertical hole (not shown) is disposed on the vertical side of the right angle member 342; the first torsion spring 39 is sleeved on the collar 341 Up, and one end of the first torsion spring 39 is fixed to the limiting hole, and the other end is fixed to the tongue 332 (see FIGS. 1 and 2); the second blocking piece 343 is respectively connected to the collar The upper edge of the 341, and the second blocking piece 343 is disposed above the first torsion spring 39; thereby the fixing bracket 34 functions to fix the first adjusting mechanism 3 and the first torsion spring 39, the first torsion spring 39 can reset the steering bracket 33.

Referring to FIG. 5 and FIG. 6 , the seat adjusting and interlocking device 100 of the present invention further includes a second adjusting mechanism 4 , which is located on the other side of the seat frame 2 (ie, located at the back of the first adjusting mechanism 3 ). The second adjusting mechanism 4 includes a linkage bracket 41 , a swing arm 42 , a first hook bracket 43 , a linkage arm 44 , a second hook bracket 45 , a first axle pin 46 , and a second axle pin 47 . And a second torsion spring 48 for resetting the interlocking bracket 41; the linkage bracket 41 is disposed in conjunction with the transmission bracket 35; The fixing shaft 49 passes through the first portion of the first hook bracket 43 and the second hook bracket 45, and is locked to the bracket 2, and the tail portion of the first hook bracket 43 is fixed to the bracket 2; The first axle pin 46 passes through the middle portion of the linkage bracket 41, the head end of the swing arm 42 , the tail portion of the second hook bracket 45 , the head end of the linkage arm 44 , and the first hook bracket 43 in order from top to bottom. The first shaft pin 46 is rotatably disposed relative to the first hook bracket 43 and the second hook bracket 45. The linkage bracket 41, the swing arm 42, and the linkage arm 44 are all interlocked with the first axle pin 46. Settings. The first hook bracket 43 and the second hook bracket 45 are connected to the swing arm 42 and the linkage arm 44 through the first shaft pin 46, thereby functioning to fix the second adjustment mechanism 4 and the second torsion spring 48.

The linkage bracket 41 includes an operation portion 411, and the operation portion 411 is located at a head end of the linkage bracket 41. The transmission bracket 35 further includes a pressing portion 354 (see FIG. 2 or FIG. 5), and the pressing portion 354 is located at the transmission portion The left end of the bracket 35 and the pressing portion 354 are located above the operating portion 411; when in operation, the pressing portion 354 presses the operating portion 411 to drive the transmission bracket 35 to rotate. The distance between the pressing portion 354 and the operating portion 411 is 0 to 1.5 mm, that is, the gap between the pressing portion 354 and the operating portion 411 is matched, so that the transmission bracket 35 and the linkage bracket 41 are not Damaged by collision with each other due to vibration.

The first and second ends of the second shaft pin 47 are respectively disposed at the tail portions of the linkage bracket 41 and the linkage arm 44, and are interlocked with the linkage bracket 41 and the linkage arm 44; the linkage bracket 41 further includes a hook 412 The tail portion of the swing arm 42 is further provided with an opening portion 421, and the holding hook 412 extends into the opening portion 421 to rotate the swing arm 42 when the interlocking bracket 41 rotates. The second torsion spring 48 is sleeved on the first shaft pin 46, and the first and second ends of the second torsion spring 48 are respectively fixed to the first hook bracket 43 and the holding hook 412.

Referring to FIG. 1 and FIG. 5 again, when an external force (such as a wire combination) drives the steering bracket 33 When the dial 333 rotates, the connecting piece 32 and the transmission bracket 35 are rotated (ie, the pressing portion 354 of the transmission bracket 35 presses the operating portion 411 of the linkage bracket 41 to drive the transmission bracket 35 to rotate); the connecting piece 32 drives the recliner linkage piece. 31 is rotated to open the backrest, that is, the back bracket 5 is adjusted, and the transmission bracket 35 drives the interlocking bracket 41 to open. The opening of the interlocking bracket 41 drives the swinging arm 42, the second shaft pin 47 and the linking arm 44 to rotate clockwise, and rotates it to the highest position in the vertical direction. At this time, the recliner 1 has been opened, and the back bracket 5 assembled with the recliner 1 is rotated forward and counterclockwise by the return force of the recliner 1 flat spring (not shown), and is hooked. The two-axis pin 47 continues to drive the second axle pin 47 and the linkage arm 44 to rotate. The linkage arm 44 is further driven by the cable assembly (not shown) to drive the slide rail open, wherein the frame 2 is operatively linearly slid relative to the slide rail (not shown) to realize the back bracket 5 and the seat. The interlocking function of the rack 2.

The seat adjustment linkage device 100 of the present invention does not affect the front and rear adjustment function of the back bracket 5, that is, through the arcuate groove 311 of the recliner linkage piece 31, so that under normal conditions, the back bracket 5 does not drive adjustment when it is adjusted back and forth. The linkage mechanism is opened; and in the interlocking state, the seat adjustment linkage device 100 can drive the front and rear adjustment of the back bracket 5. At the same time, the seat adjustment linkage device 100 does not affect the front and rear adjustment functions of the frame 2 on the slide rails: that is, in the normal state, the front and rear adjustment functions of the frame 2 on the slide rails can be realized through the cooperation of the slide rail handles; In the state, the seat adjustment linkage device 100 can drive the frame 2 to adjust back and forth on the slide rail.

The present invention is also applicable to seats on various vehicles, various seats for living furniture, and the like.

In summary, the seat adjustment linkage device of the present invention can achieve the intended purpose of use, and solves the lack of conventional knowledge, and is extremely novel and progressive, fully conforms to the requirements of the invention patent application, and is proposed according to the patent law. To apply, please check and grant the patent in this case to protect the rights of the inventor.

Claims (6)

A seat adjustment linkage device includes: a recliner including a recliner shaft; a frame; and a first adjustment mechanism including a recliner linkage piece, a connecting piece, an operating bracket and a fixing bracket The recliner linkage piece is sleeved on the recliner shaft, and the recliner linkage piece has an arcuate groove, and one end of the connecting piece is relatively movably fastened on the arc groove, and the other end is Connecting to the operating bracket, so that the connecting piece and the operating bracket are interlocked with each other, the operating bracket is rotatably coupled to the fixing bracket through a rotating shaft, and one end of the operating bracket is bent to form a tongue, and the The operating bracket has a handle, the fixing bracket is fixed on the frame, and the fixing bracket is provided with a reset mechanism for resetting the operating bracket. One end of the reset mechanism is fixed to the tongue and the other end is fixed. The mounting bracket is further provided with a sliding slot and a second positioning hole, the sliding slot is located at a right portion of the operating bracket, and the second positioning hole is adjacent to a right end of the operating bracket, First The adjustment mechanism further includes a transmission bracket disposed between the steering bracket and the fixing bracket, the transmission bracket includes a set of connecting holes, a locking hook and a card slot, wherein the socket is located in the transmission bracket a central portion, and the transmission bracket is sleeved on the rotating shaft through the sleeve hole, the locking hook is located at an upper end portion of the transmission bracket, and the locking hook protrudes from the sliding slot and can be moved along the sliding slot The card slot is located at a right end of the transmission bracket, and a second tension spring is fixed between the card slot and the second positioning hole; wherein the other end of the connecting piece extends downwardly with an extension portion, and the extension portion is provided There is a first positioning hole, the operating bracket has a hook portion, and a first tension spring is connected between the hook portion and the first positioning hole. The seat adjustment linkage device of claim 1, further comprising a second adjustment mechanism, the second adjustment mechanism comprising a linkage bracket, a swing arm, a first hook bracket, a linkage arm, and a second a hook bracket, a first shaft pin and a second torsion spring for resetting the linkage bracket, the linkage bracket is disposed in conjunction with the transmission bracket, and a fixed shaft passes through the first hook bracket and the second hook a first portion of the bracket is locked to the frame, and a tail portion of the first hook bracket is fixed to the frame, and the first pin passes through the linkage bracket, the swing arm, and the first portion from top to bottom a hook-shaped bracket, the linkage arm and the first hook-shaped bracket, and the first axle pin is rotatably disposed relative to the first hook bracket and the second hook bracket, the linkage bracket, the swing arm, the The linkage arm is disposed in conjunction with the first axle pin. The seat adjustment linkage device of claim 2, wherein the linkage bracket includes an operation portion, the operation portion is located at a front end of the linkage bracket, and the transmission bracket further includes a pressing portion, the pressing portion is located at the transmission bracket The left end portion is located above the operation portion, and the pressing portion is operated by pressing the operation portion. The seat adjustment linkage device of claim 3, wherein a spacing between the pressing portion and the operating portion is 0 to 1.5 mm. The seat adjustment linkage device of claim 2, wherein the second adjustment mechanism further includes a second axle pin, and the first end and the second end of the second axle pin are respectively disposed on the linkage bracket and the linkage arm. And interlocking with the linkage bracket and the linkage arm, the linkage bracket further includes a latching hook, and the swinging arm further defines an opening portion into which the latching hook protrudes. The seat adjustment linkage device of claim 5, wherein the second torsion spring is sleeved on the first shaft pin, and the first and second ends of the second torsion spring are respectively fixed to the first hook bracket Hold the hook with the card.