CN117621957A - Automobile seat framework adjusting mechanism - Google Patents
Automobile seat framework adjusting mechanism Download PDFInfo
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- CN117621957A CN117621957A CN202410026785.3A CN202410026785A CN117621957A CN 117621957 A CN117621957 A CN 117621957A CN 202410026785 A CN202410026785 A CN 202410026785A CN 117621957 A CN117621957 A CN 117621957A
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- seat
- connecting rod
- adjusting mechanism
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- rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 230000001360 synchronised effect Effects 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000005728 strengthening Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
- B60N2/3002—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements
- B60N2/3004—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only
- B60N2/3009—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis
- B60N2/3011—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis the back-rest being hinged on the cushion, e.g. "portefeuille movement"
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/07—Slide construction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides an automobile seat framework adjusting mechanism, and belongs to the technical field of automobile seats. The folding seat back solves the problem that the seat back in the prior art cannot be completely laid down after being folded. The adjusting mechanism comprises two concentric angle adjusters which are respectively arranged at the rear ends of two seat basin brackets, a driving assembly capable of driving the two concentric angle adjusters to synchronously rotate is arranged on each seat basin bracket, a rear connecting rod capable of following the concentric angle adjusters to synchronously rotate is arranged on each concentric angle adjuster, a rear transverse pipe is arranged between the two rear connecting rods, two ends of the rear transverse pipe are respectively fixedly connected with the upper ends of the two rear connecting rods, the lower end of each rear connecting rod is hinged with a sliding rail assembly, and the rotation axis of each concentric angle adjuster and the rotation axis of the rear transverse pipe are coaxially arranged. The invention has the advantage of realizing complete overturning and flattening of the backrest during folding.
Description
Technical Field
The invention belongs to the technical field of automobile seats, and relates to an automobile seat framework adjusting mechanism.
Background
In an automobile, a main driver seat, a co-driver seat and a rear seat are generally provided, wherein the main driver seat and the co-driver seat are both movable forward and backward with respect to a floor in the automobile, and a backrest of the main driver seat and a backrest of the co-driver seat are respectively rotatable forward and backward with respect to a seat cushion thereon, while the seat cushion of the main driver seat is rotatable up and down with respect to the floor in the automobile, but is restrained by a height adjusting mechanism welded to an arcuate side plate of a seat pan, the amplitude of the up and down rotation thereof is small, and in addition, the seat cushion position of the co-driver seat is generally stationary, and the backrest of the rear seat is generally stationary, and a small amount of the backrest of the rear seat is rotatable forward with respect to the seat cushion thereon.
For example, chinese patent literature discloses a lightweight car seat frame (application number: 201820219517.3) comprising a backrest, a seat pan and a sliding rail; the seat basin is connected to the movable rail of the slide rail, the backrest comprises a connecting pipe (bent pipe), and a left backrest side plate and a right backrest side plate for supporting foaming materials are welded on the bent pipe; the backrest is connected with the sitting basin through two angle adjusters; the sitting basin comprises an arc-shaped side plate, a supporting piece and a baffle plate, wherein the baffle plate is used for blocking passengers from sliding forwards, the supporting piece is connected with the arc-shaped side plate and forms a sitting basin frame, and the baffle plate is arranged at the front end of the sitting basin frame.
This lightweight car seat skeleton is main driving seat, and when the seat reached the minimum position of design, the connecting piece of front end can receive the restriction of sitting basin front tube support piece, and the connecting piece of rear end can receive the restriction of welding the mechanism of heightening on sitting basin arc curb plate for the seatpad of seat only can rotate for the interior floor of car about a small margin. In addition, in order to make the seat accord with ergonomics, the front surfaces of the seat cushion and the backrest of the existing seat are uneven so as to be more close to the human body curve, and riding comfort is improved, but in this way, the front end of the backrest always sticks up after the backrest of the seat is put forward, namely the backrest of the seat cannot be completely put flat after being folded, in addition, the seat cushion positions of the front seat and the rear seat are usually fixed, so that the backrest of the seat cannot be completely put flat after being folded, when the seat is positioned at the rear row of an automobile, the backrest which cannot be completely put flat always has a backward sliding trend after luggage or articles are put, and therefore the storage space of the trunk cannot be effectively expanded; when the seat is positioned at the front row of the automobile, the backrest cannot be completely put flat, so that a rear passenger is uncomfortable to sit on or lie on the foot rest.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an automobile seat framework adjusting mechanism. The invention aims to solve the technical problem of realizing complete tipping and flattening of a seat back when the seat back is folded.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides an automobile seat skeleton adjustment mechanism, seat skeleton includes slide rail assembly and seatpad skeleton, and the seatpad skeleton includes two seat basin supports and connects the preceding violently pipe of two seat basin supports, its characterized in that, the front end of two seat basin supports all articulates there is the front connecting rod, and the lower extreme of two front connecting rods articulates respectively on the slide rail assembly, and this adjustment mechanism includes two concentric angle modulation ware that set up respectively at two seat basin support rear ends, be provided with the drive assembly that can drive two concentric angle modulation ware synchronous rotation on the seat basin support, all be provided with on every concentric angle modulation ware and follow its synchronous rotation's back connecting rod, be provided with back violently pipe between two back connecting rods, the both ends of back violently pipe link firmly with the upper end of two back connecting rods respectively, the lower extreme of every back connecting rod all articulates mutually with the slide rail assembly, just the axis of rotation and the coaxial setting of back violently pipe of concentric angle modulation ware.
This car seat skeleton adjustment mechanism passes through concentric angle modulation ware, back connecting rod and the back horizontal pipe that drive the coaxial setting of axis of rotation of drive assembly and rotates forward in step, and back horizontal pipe and back connecting rod can drive two seat basin supports simultaneously for the synchronous forward motion of slide rail assembly again when rotating forward for seat back skeleton forms dislocation from top to bottom with the position of seatpad skeleton both after folding, thereby makes seat back skeleton can realize folding forward of wide-angle when folding, and then makes seat back can realize complete turnover when folding and put. Meanwhile, the automobile seat framework adjusting mechanism is arranged at the rear end of the seat cushion framework, so that the problems that the front end of the seat cushion framework is too crowded and the front end is heavy and the rear end is light can be avoided, the layout of each mechanism on the seat cushion framework can be optimized, and the space is reasonably utilized. In addition, the upper ends of the two front connecting rods are respectively and directly hinged to the corresponding seat basin support, compared with the traditional structure that the two front connecting rods are respectively connected to the two ends of the front transverse tube, when the seat back is folded, the height of the front transverse tube can be lower than that of the upper end of the front connecting rod, so that the height of the front end of the seat cushion framework is lower, and the seat back is more beneficial to realizing complete overturning and flattening when the seat back is folded.
Specifically, form the seatpad skeleton jointly between two seat basin supports and the preceding violently pipe of connecting two seat basin supports and the back violently pipe, wherein both ends of back violently pipe all are connected with corresponding seat basin support through concentric angle modulation ware and back connecting rod, when the seat back needs folding, drive concentric angle modulation ware through drive assembly earlier and rotate forward, because concentric angle modulation ware's axis of rotation and the axis of rotation coaxial setting of back violently pipe, so concentric angle modulation ware can drive the back connecting rod of joint and the back violently pipe synchronous forward movement that links firmly links with it again when rotating forward, back violently pipe and back connecting rod can drive two seat basin supports and move forward in step for the slide rail assembly again when rotating forward, thereby make the whole forward motion of seatpad skeleton for the slide rail assembly, make the seat back skeleton form with the position of seat back skeleton both after folding and upper and lower, thereby make the seat back skeleton can realize the dislocation forward of wide angle when folding, and then can realize folding the seat back and roll over completely when folding.
In the above-mentioned car seat skeleton adjustment mechanism, drive assembly includes wears to establish simultaneously on two concentric angle modulation ware and can drive two concentric angle modulation ware synchronous pivoted synchronizing lever and sets up the angle modulation motor on one of them seat basin support, and angle modulation motor's output wears to establish on the synchronizing lever and with synchronizing lever fixed connection, joint or interlock in order to drive the synchronizing lever rotation. The driving assembly with the structure is simple in structure, the angle modulation motor can drive the synchronous rod to rotate by 360 degrees, the application range is wide, the structural stability is good, and the concentric angle modulation device is fixedly connected with the synchronous rod, clamped or meshed, so that the synchronous rod and the synchronous rod can rotate better.
In the above-mentioned car seat skeleton adjustment mechanism, the synchronizing bar sets up in the inside of back violently managing, the both ends of synchronizing bar stretch out respectively the both ends of back violently managing, just the axis of rotation of synchronizing bar and the axis of rotation coaxial setting of back violently managing. The synchronous rod is arranged in the rear transverse tube, so that on one hand, the installation space occupied by the synchronous rod can be saved, and on the other hand, the synchronous rotation of the synchronous rod, the concentric angle adjuster and the rear transverse tube can be ensured by coaxially arranging the rotation axes of the synchronous rod and the concentric angle adjuster.
In the above-mentioned automobile seat skeleton adjustment mechanism, all have the joint portion of evagination on the terminal surface at concentric angle modulation ware both ends, first joint hole and second joint hole have been seted up respectively to the upper end of back connecting rod with the rear end of seat basin support, two joint respectively joint of concentric angle modulation ware are in first joint hole and second joint hole, and two joint portions respectively with the border welded connection in first joint hole and second joint hole. Through set up joint portion respectively on concentric angle modulation ware's two terminal surfaces and set up first joint hole and the second joint hole with joint portion complex respectively in the upper end of back connecting rod and the rear end of seat basin support for concentric angle modulation ware is more convenient with the assembly of back connecting rod and seat basin support, simultaneously, is earlier joint welded connection between concentric angle modulation ware and back connecting rod and the seat basin support, thereby can increase the steadiness of both connections, structural strength is high and can alleviate structural weight. The two clamping joints are respectively located on the two toothed plates of the concentric angle adjuster, wherein the specific structure of the concentric angle adjuster is the prior art, and is not described herein, such as the structure of a concentric angle adjuster device disclosed in the Chinese patent document with the authority publication number of CN 215042269U.
In the above-mentioned car seat skeleton adjustment mechanism, the both ends of back cross tube all have and are cylindric connecting portion, and the connecting portion is open setting towards the tip of back connecting rod, the both sides limit of back connecting rod all has the first turn-ups portion towards connecting portion, and two first turn-ups portions respectively with connecting portion welded fastening. After back connecting rod and concentric angle modulation ware joint are connected, the tip is open setting and is cylindric connecting portion can establish the joint portion and the first joint escutcheon of concentric angle modulation ware that are in joint state simultaneously to press back connecting rod on concentric angle modulation ware, simultaneously, be the diameter of cylindric connecting portion and be greater than the diameter of back cross tube, the direct welded connection of the first turn-ups portion on connecting portion and the back connecting rod of being convenient for more, and make the connected state of three more stable, be favorable to concentric angle modulation ware to drive back cross tube synchronous rotation more, so that back cross tube drives two seat basin support for slide rail assembly synchronous forward motion better.
In the above-mentioned car seat skeleton adjustment mechanism, the seat basin support includes the sideboard and links firmly the strengthening side pipe at the sideboard front end, has linked firmly the articulated support on the inside wall of strengthening side pipe, the upper end of preceding connecting rod articulates on the articulated support. The hinged support is fixedly connected to the inner side wall of the reinforced square tube, so that the hinged position of the front connecting rod moves inwards, the hinged positions of the front connecting rod and the rear connecting rod which are positioned on the same side are consistent, and the seat cushion framework can move forwards better, so that the seat back can be completely turned over and put flat when being folded.
In the above-mentioned car seat skeleton adjustment mechanism, the front end bottom of strengthening square pipe has seted up the installation breach, the both ends of preceding horizontal pipe set up respectively in two installation breachs and with the wall welded connection of corresponding installation breach. Through seting up the installation breach in the bottom of strengthening the side pipe, the both ends of preceding violently pipe inlay and establish in the bottom of strengthening the side pipe and make all form the cross structure between every strengthening side pipe and the preceding violently pipe to strengthen the structural strength of seatpad skeleton, improve the security that the seat was taken.
In the above-mentioned automobile seat skeleton adjusting mechanism, the two sides of the front connecting rod are respectively provided with a second flanging part which faces away from the hinged support, and the front transverse tube is positioned above the front of the two front connecting rods. On one hand, the second flanging part can increase the structural strength of the front connecting rod under the condition of not changing the size of the front connecting rod, so that the deformation resistance of the front connecting rod is improved; on the other hand, when the seat is normally used, the second flanging parts of the two front connecting rods are respectively positioned under the two end parts of the front transverse tube, and the front connecting rods are bent, so that when the automobile seat is subjected to downward impact (for example, when an automobile collides with an accident), the two front connecting rods can better support the front transverse tube, a certain seat anti-submergence effect is achieved, and the seat is safer; in addition, with preceding violently pipe setting in the front top of two preceding connecting rods, compare in the structure of connecting two preceding connecting rods at preceding violently pipe both ends respectively with two, when the seat back is folding for the height of preceding violently pipe is less than the height of preceding connecting rod upper end, thereby can make the height of seatpad skeleton front end lower, and because two preceding connecting rods are located the rear of preceding violently pipe, make two seat basin supports can the forward movement more far, thereby more be favorable to the seat back to realize when folding that complete turnover is put flat.
In the above-mentioned automobile seat skeleton adjusting mechanism, the both sides and the rear end border of sideboard have the third turn-ups portion that faces away from concentric angle modulation ware, the inboard of third turn-ups portion forms and places the groove, the rear end that strengthens the side pipe stretches into and places the groove and with be located the third turn-ups portion welded connection of sideboard upper and lower both sides, angle modulation motor is located and places the inslot. The angle adjusting motor is arranged in the placement groove, so that the third flanging part can form a protection effect on the angle adjusting motor in the placement groove, meanwhile, the third flanging part is arranged to improve the strength and stability of the seat basin support while ensuring the dimensional stability of the seat basin support, reduce the deformation rate of the seat basin support in the use process, save raw materials and improve the manufacturing efficiency.
In the above-mentioned car seat skeleton adjustment mechanism, be provided with two backrest linking bridge that are used for connecting backrest skeleton on the slide rail assembly, one of them backrest linking bridge is located the outside of sideboard, and with angle modulation motor sets up relatively. The backrest connecting bracket has a certain height, so that the backrest framework is larger in distance from the slide rail assembly after being connected with the upper end of the backrest connecting bracket, and the seat cushion framework is located between the backrest framework and the slide rail assembly, thereby being more beneficial to realizing complete tipping and flattening of the seat backrest when the seat backrest is folded.
Compared with the prior art, the automobile seat framework adjusting mechanism has the advantages that: 1. this car seat skeleton adjustment mechanism passes through the synchronous forward rotation of drive assembly drive concentric angle modulation ware, back connecting rod and back cross tube, and back cross tube and back connecting rod can drive two seat basin supports for slide rail assembly synchronous forward motion again when rotating forward for seat back skeleton forms dislocation from top to bottom with the position of seat cushion skeleton both after folding, thereby makes seat back skeleton can realize folding forward of wide angle when folding, and then makes seat back can realize complete turnover and put the level when folding.
2. The front end of the seat cushion framework is generally provided with a leg support mechanism and other mechanisms, and the automobile seat framework adjusting mechanism is arranged at the rear end of the seat cushion framework, so that the problems that the front end of the seat cushion framework is too crowded and the front end is heavy and the rear end is light can be avoided, the layout of each mechanism on the seat cushion framework can be optimized, and the space is reasonably utilized.
Drawings
Fig. 1 is a schematic perspective view of an automobile seat frame provided with the present adjusting structure.
Fig. 2 is a schematic diagram of a side view of a car seat frame provided with the present adjusting structure.
Fig. 3 is a schematic perspective view of the car seat frame with the backrest frame, the backrest connecting bracket and the seat pan removed.
FIG. 4 is a cross-sectional view of the present car seat frame with the back frame, back attachment brackets and basin removed.
Fig. 5 is an exploded view of the present car seat frame with the back frame, back attachment brackets and seat pan removed.
Fig. 6 is a schematic diagram showing a structure of the automobile seat frame from a top view after the backrest frame, the backrest connecting bracket and the seat pan are removed.
Fig. 7 is a schematic diagram showing a side view of the back frame of the present automobile seat frame in a folded state.
In the figure, 1, a sliding rail assembly; 2. a seat cushion framework; 3. a seat basin bracket; 3a, side plates; 3a1, a second clamping hole; 3a2, a third burring part; 3b, reinforcing the square tube; 3b1, mounting notch; 3c, hinging the bracket; 4. a front transverse tube; 5. a front link; 5a, a second flanging part; 6. a concentric angle adjuster; 6a, a clamping part; 7. a drive assembly; 7a, a synchronizing bar; 7b, angle modulation motor; 8. a rear connecting rod; 8a, a first clamping hole; 8b, a first flanging part; 9. a rear transverse tube; 9a, a connecting part; 10. a placement groove; 11. a back rest frame; 12. the backrest is connected with the bracket.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
1-7, the seat skeleton includes slide rail assembly 1 and seatpad skeleton 2, seatpad skeleton 2 includes two seat basin supports 3 and connects the preceding violently pipe 4 of two seat basin supports 3, the front end of two seat basin supports 3 all articulates has preceding connecting rod 5, the lower extreme of two preceding connecting rods 5 articulates respectively on slide rail assembly 1, this adjustment mechanism includes two concentric angle modulation ware 6 that set up respectively at two seat basin support 3 rear ends, be provided with on the seat basin support 3 and drive two concentric angle modulation ware 6 synchronous pivoted actuating assembly 7, all be provided with on every concentric angle modulation ware 6 and follow its synchronous pivoted back connecting rod 8, be provided with back violently pipe 9 between two back connecting rods 8, the both ends of back violently pipe 9 link firmly with the upper end of two back connecting rods 8 respectively, the lower extreme of every back connecting rod 8 all articulates mutually with slide rail assembly 1, just concentric angle modulation ware 6's axis of rotation and back violently pipe 9's axis of rotation set up coaxially.
Referring to fig. 1, 3, 4, 5 and 6, specifically, the driving assembly 7 includes a synchronizing rod 7a that is simultaneously inserted into the two concentric angle adjusters 6 and can drive the two concentric angle adjusters 6 to synchronously rotate, and an angle adjusting motor 7b that is disposed on one of the seat basin brackets 3, where an output end of the angle adjusting motor 7b is inserted into the synchronizing rod 7a and is fixedly connected, clamped or engaged with the synchronizing rod 7a to drive the synchronizing rod 7a to rotate; the synchronizing rod 7a is arranged in the rear transverse tube 9, two ends of the synchronizing rod 7a extend out of two ends of the rear transverse tube 9 respectively, and the rotation axis of the synchronizing rod 7a and the rotation axis of the rear transverse tube 9 are coaxially arranged.
Referring to fig. 1, 3, 4, 5 and 6, specifically, the end surfaces at two ends of the concentric angle adjuster 6 are respectively provided with a convex clamping portion 6a, the upper end of the rear connecting rod 8 and the rear end of the bowl support 3 are respectively provided with a first clamping hole 8a and a second clamping hole 3a1, the two clamping portions 6a of the concentric angle adjuster 6 are respectively clamped in the first clamping hole 8a and the second clamping hole 3a1, and the two clamping portions 6a are respectively welded with edges of the first clamping hole 8a and the second clamping hole 3a 1.
Referring to fig. 1, 3, 4, 5 and 6, specifically, the two ends of the rear transverse tube 9 have cylindrical connection portions 9a, the connection portions 9a are open toward the end of the rear link 8, the two sides of the rear link 8 have first flange portions 8b facing the connection portions 9a, and the two first flange portions 8b are welded and fixed to the connection portions 9 a.
Referring to fig. 1, 3, 4, 5 and 6, further, the bowl support 3 includes a side plate 3a and a reinforcing square tube 3b fixedly connected to the front end of the side plate 3a, a hinge support 3c is fixedly connected to the inner side wall of the reinforcing square tube 3b, and the upper end of the front connecting rod 5 is hinged to the hinge support 3 c; the bottom of the front end of the reinforced square tube 3b is provided with mounting notches 3b1, and two ends of the front transverse tube 4 are respectively arranged in the two mounting notches 3b1 and are welded and connected with the wall surfaces of the corresponding mounting notches 3b 1; the two side edges of the front connecting rods 5 are respectively provided with a second flanging part 5a which faces away from the hinged support 3c, and the front transverse tube 4 is positioned above the front parts of the two front connecting rods 5.
Referring to fig. 1, 3, 4, 5 and 6, further, the edges of the two sides and the rear end of the side plate 3a are provided with third flanging parts 3a2 facing away from the concentric angle adjuster 6, a placement groove 10 is formed on the inner side of the third flanging parts 3a2, the rear end of the reinforcing square tube 3b extends into the placement groove 10 and is welded with the third flanging parts 3a2 positioned on the upper side and the lower side of the side plate 3a, and the angle adjusting motor 7b is positioned in the placement groove 10; two backrest connecting brackets 12 used for connecting the backrest framework 11 are arranged on the sliding rail assembly 1, one backrest connecting bracket 12 is positioned on the outer side of the side plate 3a and is opposite to the angle modulation motor 7 b.
Specifically, the seat cushion frame 2 is formed between the two seat cushion brackets 3 and the front transverse tube 4 and the rear transverse tube 9 which are connected with the two seat cushion brackets 3, wherein both ends of the rear transverse tube 9 are indirectly connected with the corresponding seat cushion brackets 3 through the concentric angle adjuster 6 and the rear connecting rod 8, when the seat back (backrest frame 11) needs to be folded, the concentric angle adjuster 6 is driven to rotate forwards through the driving component 7, and because the rotation axis of the concentric angle adjuster 6 and the rotation axis of the rear transverse tube 9 are coaxially arranged, the concentric angle adjuster 6 can drive the rear connecting rod 8 clamped with the concentric angle adjuster 6 and the rear transverse tube 9 fixedly connected with the rear connecting rod 8 to synchronously move forwards when rotating forwards, wherein the specific structure of the concentric angle adjuster 6 is the prior art and is not repeated herein, such as the structure of a concentric angle adjuster device disclosed in the Chinese patent document with the publication number CN 215042269U. When in use, the toothed plate at the end, connected with the seat basin bracket 3, of the concentric angle adjuster 6 is fixed, and the toothed plate at the end, connected with the rear connecting rod 8, of the concentric angle adjuster 6 can rotate concentrically under the drive of the central gear ring, so that the concentric angle adjuster 6 can drive the rear connecting rod 8 and the rear transverse tube 9 fixedly connected with the rear connecting rod 8 to synchronously rotate forwards.
The rear transverse tube 9 and the rear connecting rod 8 can drive the two seat basin brackets 3 to synchronously move forwards relative to the sliding rail assembly 1 while rotating forwards, and the two seat basin brackets 3 can simultaneously drive the two front connecting rods 5 to synchronously rotate forwards when moving forwards, so that the seat cushion framework 2 moves forwards relative to the whole sliding rail assembly 1, and the seat cushion framework 2 moves forwards integrally, so that the positions of the seat back framework 11 and the seat cushion framework 2 form vertical dislocation after being folded, and the seat back framework 11 can be folded forwards at a large angle, and the seat back 11 can be completely turned over and put flat when being folded. Meanwhile, the automobile seat framework adjusting mechanism is arranged at the rear end of the seat cushion framework 2, so that the problems that the front end of the seat cushion framework 2 is too crowded and the front end is heavy and the rear end is light can be avoided, the layout of each mechanism on the seat cushion framework 2 can be optimized, and the space is reasonably utilized.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides an automobile seat skeleton adjustment mechanism, seat skeleton includes slide rail assembly (1) and seatpad skeleton (2), seatpad skeleton (2) include two seat basin supports (3) and connect preceding violently pipe (4) of two seat basin supports (3), a serial communication port, front end of two seat basin supports (3) all articulates has preceding connecting rod (5), the lower extreme of two preceding connecting rods (5) articulates respectively on slide rail assembly (1), this adjustment mechanism includes two concentric angle modulation ware (6) that set up respectively at two seat basin supports (3) rear end, be provided with on seat basin support (3) and drive two concentric angle modulation ware (6) synchronous pivoted actuating assembly (7), all be provided with on every concentric angle modulation ware (6) and follow its synchronous pivoted back connecting rod (8), be provided with back violently pipe (9) between two back violently pipe (9) respectively with the upper end of two back connecting rod (8) link firmly mutually, the lower extreme of every back connecting rod (8) all with slide rail assembly (1) looks, and the coaxial angle modulation ware (6) of axis of rotation of back connecting rod (8) and coaxial angle modulation ware (6).
2. The automobile seat framework adjusting mechanism according to claim 1, wherein the driving assembly (7) comprises a synchronous rod (7 a) which is simultaneously arranged on the two concentric angle adjusters (6) in a penetrating way and can drive the two concentric angle adjusters (6) to synchronously rotate, and an angle adjusting motor (7 b) which is arranged on one seat basin support (3), and the output end of the angle adjusting motor (7 b) is arranged on the synchronous rod (7 a) in a penetrating way and is fixedly connected, clamped or meshed with the synchronous rod (7 a) to drive the synchronous rod (7 a) to rotate.
3. The automobile seat framework adjusting mechanism according to claim 2, wherein the synchronizing rod (7 a) is arranged inside the rear transverse tube (9), two ends of the synchronizing rod (7 a) respectively extend out of two ends of the rear transverse tube (9), and a rotation axis of the synchronizing rod (7 a) and a rotation axis of the rear transverse tube (9) are coaxially arranged.
4. The automobile seat framework adjusting mechanism according to claim 1, 2 or 3, wherein the end faces of two ends of the concentric angle adjuster (6) are respectively provided with a convex clamping part (6 a), the upper end of the rear connecting rod (8) and the rear end of the seat basin bracket (3) are respectively provided with a first clamping hole (8 a) and a second clamping hole (3 a 1), the two clamping parts (6 a) of the concentric angle adjuster (6) are respectively clamped in the first clamping hole (8 a) and the second clamping hole (3 a 1), and the two clamping parts (6 a) are respectively welded with the edges of the first clamping hole (8 a) and the second clamping hole (3 a 1).
5. The automobile seat framework adjusting mechanism according to claim 4, wherein two ends of the rear transverse tube (9) are respectively provided with a cylindrical connecting portion (9 a), the end portion of the connecting portion (9 a) facing the rear connecting rod (8) is in an open arrangement, two side edges of the rear connecting rod (8) are respectively provided with a first flanging portion (8 b) facing the connecting portion (9 a), and the two first flanging portions (8 b) are respectively welded and fixed with the connecting portion (9 a).
6. A car seat frame adjusting mechanism according to claim 2 or 3, wherein the seat basin bracket (3) comprises a side plate (3 a) and a reinforcing square tube (3 b) fixedly connected to the front end of the side plate (3 a), a hinged bracket (3 c) is fixedly connected to the inner side wall of the reinforcing square tube (3 b), and the upper end of the front connecting rod (5) is hinged to the hinged bracket (3 c).
7. The automobile seat framework adjusting mechanism according to claim 6, wherein the bottom of the front end of the reinforcing square tube (3 b) is provided with mounting notches (3 b 1), and two ends of the front transverse tube (4) are respectively arranged in the two mounting notches (3 b 1) and are welded with the wall surfaces of the corresponding mounting notches (3 b 1).
8. The automobile seat framework adjusting mechanism according to claim 7, wherein the two side edges of the front connecting rods (5) are respectively provided with a second flanging part (5 a) which faces away from the hinged support (3 c), and the front transverse tube (4) is positioned above the front of the two front connecting rods (5).
9. The automobile seat framework adjusting mechanism according to claim 7, wherein the upper side, the lower side and the rear end edges of the side plate (3 a) are provided with third flanging parts (3 a 2) facing away from the concentric angle adjuster (6), a placement groove (10) is formed in the inner side of the third flanging parts (3 a 2), the rear end of the reinforcing square tube (3 b) stretches into the placement groove (10) and is welded and connected with the third flanging parts (3 a 2) located on the upper side and the lower side of the side plate (3 a), and the angle adjusting motor (7 b) is located in the placement groove (10).
10. The automobile seat framework adjusting mechanism according to claim 9, wherein two backrest connecting brackets (12) for connecting a backrest framework (11) are arranged on the sliding rail assembly (1), and one backrest connecting bracket (12) is positioned on the outer side of the side plate (3 a) and opposite to the angle adjusting motor (7 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410026785.3A CN117621957A (en) | 2024-01-08 | 2024-01-08 | Automobile seat framework adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410026785.3A CN117621957A (en) | 2024-01-08 | 2024-01-08 | Automobile seat framework adjusting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN117621957A true CN117621957A (en) | 2024-03-01 |
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ID=90028976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410026785.3A Pending CN117621957A (en) | 2024-01-08 | 2024-01-08 | Automobile seat framework adjusting mechanism |
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| Country | Link |
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| CN (1) | CN117621957A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118386963A (en) * | 2024-07-01 | 2024-07-26 | 长春富晟汽车技术研发有限公司 | Seat with seat cushion diving backrest turned forward and backrest turned forward method |
-
2024
- 2024-01-08 CN CN202410026785.3A patent/CN117621957A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118386963A (en) * | 2024-07-01 | 2024-07-26 | 长春富晟汽车技术研发有限公司 | Seat with seat cushion diving backrest turned forward and backrest turned forward method |
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