CN211364350U - Waist support mechanism of automobile seat - Google Patents
Waist support mechanism of automobile seat Download PDFInfo
- Publication number
- CN211364350U CN211364350U CN201921994977.4U CN201921994977U CN211364350U CN 211364350 U CN211364350 U CN 211364350U CN 201921994977 U CN201921994977 U CN 201921994977U CN 211364350 U CN211364350 U CN 211364350U
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- transmission shaft
- plate
- backing plate
- waist support
- rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 244000309464 bull Species 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a waist support mechanism of an automobile seat, which comprises a backing plate and a waist support plate, wherein an opening is arranged at the middle position of the backing plate, sliding grooves which are transversely arranged are arranged on the front surface of the backing plate and are positioned at the two sides of the opening, sliding blocks are connected in the sliding grooves in a sliding manner, a first transmission shaft is arranged between the two sliding blocks, the waist support plate is arranged at the front side of the backing plate, the waist support plate is arranged in parallel with the backing plate, a connecting block is fixedly connected at the middle position of the bottom surface of the waist support plate, two sides of the connecting block are rotatably connected with a supporting rod, the waist support mechanism of the automobile seat can realize the back and forth movement of the waist support plate fixed at the front end of the connecting block when the first transmission shaft rotates in a positive and reverse direction, further realize the adjustment of the waist support plate, is, the service life of the waist support plate is limited, and the waist support plate needs to be replaced frequently.
Description
Technical Field
The utility model relates to a car seat technical field specifically is a car seat's waist holds in palm mechanism.
Background
The automobile has been developed into an indispensable vehicle in people's life, and the automobile seat is an important part when the automobile seat waist holds.
The waist support device of the automobile seat backrest disclosed by the current publication No. CN206797198U comprises a waist support assembly and an adjusting handle, wherein the waist support assembly comprises a backing plate and a waist support plate, one side of the backing plate, which is close to the waist support plate, is provided with a first gear, the other side of the backing plate is provided with a second gear meshed with the first gear, a first transmission shaft penetrates through an inner hole of the first gear, the left end of the first transmission shaft is provided with a left-handed thread, the right end of the first transmission shaft is provided with a right-handed thread, the left end of the first transmission shaft is provided with a first nut box matched with the left-handed thread, the right end of the first transmission shaft is provided with a second nut box matched with the right-handed thread, the first nut box and the second nut box are both perpendicular to the first transmission shaft, the waist support plate is fixed on the first nut box and the second nut box, the waist support plate is deformed along with the movement of the first nut box and the second nut box by manually rotating the adjusting handle, thereby, the effect of adjusting the lumbar support is realized, and the following problems exist:
(1) make the waist layer board warp and provide the support through the mode of extrusion waist layer board, the waist layer board returns after warping, long-time reciprocal many times, then can cause the damage of waist layer board, and at the bottom of the life, need frequent change, and it is comparatively troublesome to change.
(2) The deformation of the waist supporting plate is realized by manually rotating the adjusting handle by people, so that the deformation of the waist supporting plate needs to have larger force, and people need to spend larger force when rotating the adjusting handle, and the adjustment is more inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waist of car seat holds in palm mechanism to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a waist support mechanism of an automobile seat comprises a base plate and a waist support plate, wherein an opening is formed in the middle position of the base plate, transversely-arranged sliding grooves are formed in the front surface of the base plate and are positioned on the two sides of the opening, sliding blocks are connected in the sliding grooves in a sliding mode, a first transmission shaft is arranged between the two sliding blocks, the waist support plate is arranged on the front side of the base plate and is parallel to the base plate, a connecting block is fixedly connected to the middle position of the bottom surface of the waist support plate, supporting rods are rotatably connected to the two sides of the connecting block, the lower ends of the supporting rods are respectively rotatably connected with the upper ends of the corresponding sliding blocks, a first gear is sleeved at the middle position of the first transmission shaft, the first transmission shaft of the first gear is fixedly connected with mounting seats which are fixedly connected to the rear surface of the base, the intermediate position cover of second transmission shaft is equipped with the second gear, second gear and second transmission shaft fixed connection are located mount pad one side the rear surface fixedly connected with mounting panel of backing plate, the mounting panel sets up with the backing plate is perpendicular, the upper end intermediate position of mounting panel is seted up flutedly, wear to be equipped with branch in the recess, the both sides wall fixedly connected with bull stick of recess, the bull stick runs through the branch setting, the front end of branch is connected with the rack, the rack is connected with the meshing of second gear, the rear end fixedly connected with clamp plate of branch.
As a further aspect of the present invention: the branch includes preceding pole and back pole, smooth chamber has been seted up to the front end of back pole, the inner wall fixedly connected with compression spring in smooth chamber, the rear end sliding connection of preceding pole is in smooth chamber, and with compression spring fixed connection, the front end of preceding pole rotates and is connected with the turning block, turning block and rack fixed connection.
As a further aspect of the present invention: the upper surface and the lower surface of the pressure plate are provided with rubber layers, and the pressure plate is vulcanized into an integral piece on the rubber layers.
As a further aspect of the present invention: two ends of the first transmission shaft are in threaded connection with the sliding block, two sections of threads which are centrosymmetric are arranged on the surface of the first transmission shaft, and the directions of the two sections of threads are opposite.
As a further aspect of the present invention: the length of the strut at the front end of the rotating rod and the length ratio of the strut at the rear end of the rotating rod are 1: 4.
as a further aspect of the present invention: the mounting seat is of an L-shaped structure and is connected with the base plate through a fixing bolt.
As a further aspect of the present invention: an isosceles triangle structure is formed between the first transmission shaft and the two support rods.
Compared with the prior art
1. This kind of car seat's waist holds in palm mechanism through the cooperation of connecting block, bracing piece and slider, can realize fixing the waist tray back-and-forth movement at the connecting block front end during first transmission shaft is just reversing to rotate, and then realizes the regulation of waist tray, and it is convenient to adjust, avoids traditional making the waist tray warp through extrusion waist tray, and the waist tray life that causes is limited, the condition that needs frequent change.
2. This kind of car seat's waist holds in palm mechanism through the cooperation of rack, branch and clamp plate, presses down the clamp plate and makes the rack remove, and then realizes the rotation of first transmission shaft, and is more laborsaving with the pivoted mode relatively through the mode of pressing, and the bull stick setting is at the front end of branch simultaneously, through lever principle, presses the clamp plate of branch rear end, and the removal of realization rack that can be comparatively light is convenient for remove the waist support plate.
Drawings
Fig. 1 is a schematic view of the overall structure of a lumbar support mechanism of an automobile seat.
Fig. 2 is a schematic top view of a lumbar support mechanism of an automobile seat.
Fig. 3 is a schematic structural view of a strut in a lumbar support mechanism of an automobile seat.
In the figure: the waist support plate comprises a base plate 1, a waist support plate 2, a support rod 3, a front rod 301, a rear rod 302, a sliding cavity 303, a compression spring 304, a rotating block 305, a sliding groove 4, a sliding block 5, a second gear 6, a rack 7, an installation plate 8, a rotating rod 9, a groove 10, a support rod 11, a pressing plate 12, a through hole 13, a first gear 14, a first transmission shaft 15, a second transmission shaft 16, an installation seat 17 and a connecting block 18.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, a waist support mechanism of an automobile seat comprises a backing plate 1 and a waist support plate 2, wherein a through hole 13 is arranged at the middle position of the backing plate 1, sliding grooves 4 transversely arranged are arranged on the front surface of the backing plate 1 at two sides of the through hole 13, sliding blocks 5 are connected in the sliding grooves 4 in a sliding manner, a first transmission shaft 15 is arranged between the two sliding blocks 5, an isosceles triangle structure is formed between the first transmission shaft 15 and two support rods 11 to ensure that the waist support plate 2 is always kept horizontal when moving back and forth, two ends of the first transmission shaft 15 are in threaded connection with the sliding blocks 5, two sections of threads which are centrosymmetric are arranged on the surface of the first transmission shaft 15, the directions of the two sections of threads are opposite, when the first transmission shaft 15 rotates, the moving directions of the two sliding blocks 5 are opposite, the waist support plate 2 is arranged at the front side of the backing plate 1, the waist support plate 2 is arranged in parallel to, the two sides of the connecting block 18 are rotatably connected with supporting rods 11, the lower ends of the supporting rods 11 are respectively rotatably connected with the upper ends of corresponding sliding blocks 5, a first gear 14 is sleeved at the middle position of a first transmission shaft 15, the first transmission shaft 15 of the first gear 14 is fixedly connected, mounting seats 17 are fixedly connected with the rear surfaces of the backing plates 1 at the two sides of the through hole 13, each mounting seat 17 is of an L-shaped structure, the mounting seat 17 is connected with the backing plate 1 through a fixing bolt, a second transmission shaft 16 is arranged between the two mounting seats 17, a second gear 6 is sleeved at the middle position of the second transmission shaft 16, the second gear 6 is fixedly connected with the second transmission shaft 16, a mounting plate 8 is fixedly connected with the rear surface of the backing plate 1 at one side of the mounting seat 17, the mounting plate 8 is vertically arranged with the backing plate 1, a groove 10 is formed in the middle position of the upper end of the mounting plate 8, smooth chamber 303 has been seted up to the front end of back pole 302, the inner wall fixedly connected with compression spring 304 of smooth chamber 303, the rear end sliding connection of preceding pole 301 is in smooth chamber 303, and with compression spring 304 fixed connection, the front end of preceding pole 301 is rotated and is connected with turning block 305, turning block 305 and rack 7 fixed connection, through the rotation that adopts the mode of pressing to drive first transmission shaft 15, it is comparatively laborsaving, thereby be convenient for child or the use of women with the will, the both sides wall fixedly connected with bull stick 9 of recess 10, the length that is located bull stick 9 front end branch 3 compares for 1 with the length that is located bull stick 9 rear end branch 3: 4, this kind of design has utilized lever principle, be convenient for more to the removal of branch 3, it is more laborsaving, bull stick 9 runs through branch 3 and sets up, the front end of branch 3 is connected with rack 7, rack 7 is connected with the meshing of second gear 6, the rear end fixedly connected with clamp plate 12 of branch 3, the upper and lower two sides of clamp plate 12 are provided with the rubber layer, the rubber layer has clamp plate 12 to vulcanize into an organic piece, the setting on rubber layer can improve clamp plate 12's flexibility, travelling comfort when improving people and using.
The utility model discloses a theory of operation is: when the waist support plate is used, the pressing plate 12 is pressed, the rear end of the pressing plate 12 descends, the front end of the pressing plate ascends, the electric front rod 301 of the compression spring 303 extends at the moment, the rack 7 is ensured to always correspond to the second gear 6, the rack 7 moves upwards along with the ascending of the front rod 301 at the moment, the second gear 6 is driven to rotate, the second gear 6 is meshed with the first gear 14, the first gear 14 rotates along with the rotation, the first transmission shaft 15 is driven to rotate by the rotation of the first gear 14, the two sliding blocks 5 move relatively at the moment because the two ends of the first transmission shaft 15 are in threaded connection with the sliding blocks 5, the distance is gradually reduced, the supporting rod 11 drives the connecting block 18 to ascend, the waist support plate 2 ascends, the pressing plate 12 is lifted, the rear end of the supporting rod 3 descends, the front end descends, the actions move reversely, the waist support plate 3 can descend, the adjustment of the waist support plate, meanwhile, the waist supporting plate is not damaged in the adjusting process, and the service life is long.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides a waist of car seat holds in palm mechanism, includes backing plate (1) and waist supporting plate (2), its characterized in that, opening (13) have been seted up to the intermediate position of backing plate (1), be located opening (13) both sides backing plate (1) front surface sets up horizontal setting's spout (4), sliding connection has slider (5) in spout (4), two be provided with first transmission shaft (15) between slider (5), waist supporting plate (2) set up the front side at backing plate (1), (waist supporting plate (2) and backing plate (1) parallel arrangement, the bottom surface intermediate position fixedly connected with connecting block (18) of waist supporting plate (2), the both sides of connecting block (18) rotate and are connected with bracing piece (11), the lower extreme of bracing piece (11) rotates with corresponding slider (5) upper end respectively and is connected, the intermediate position cover of first transmission shaft (15) is equipped with first gear (14), (first transmission shaft (15) fixed connection of first gear (14)), be located opening (13) both sides backing plate (1) rear surface fixed connection has mount pad (17), two be provided with second transmission shaft (16) between mount pad (17), the intermediate position cover of second transmission shaft (16) is equipped with second gear (6), (second gear (6) and second transmission shaft (16) fixed connection, be located mount pad (17) one side the rear surface fixed connection of backing plate (1) has mounting panel (8), mounting panel (8) and backing plate (1) set up perpendicularly, recess (10) are seted up to the upper end intermediate position of mounting panel (8), wear to be equipped with branch (3) in recess (10), the both sides wall fixed connection of recess (10) bull stick (9), bull stick (9) run through branch (3) and set up, the front end of the supporting rod (3) is connected with a rack (7), the rack (7) is meshed with the second gear (6) and connected with the pressing plate (12) fixedly connected with the rear end of the supporting rod (3).
2. The lumbar support mechanism of the automobile seat is characterized in that the supporting rod (3) comprises a front rod (301) and a rear rod (302), a sliding cavity (303) is formed in the front end of the rear rod (302), a compression spring (304) is fixedly connected to the inner wall of the sliding cavity (303), the rear end of the front rod (301) is slidably connected into the sliding cavity (303) and fixedly connected with the compression spring (304), a rotating block (305) is rotatably connected to the front end of the front rod (301), and the rotating block (305) is fixedly connected with the rack (7).
3. The lumbar support mechanism of the automobile seat is characterized in that rubber layers are arranged on the upper surface and the lower surface of the pressure plate (12), and the rubber layers are vulcanized into a whole by the pressure plate (12).
4. The lumbar support mechanism of the automobile seat is characterized in that two ends of the first transmission shaft (15) are in threaded connection with the sliding block (5), two sections of threads which are centrosymmetric are arranged on the surface of the first transmission shaft (15), and the directions of the two sections of threads are opposite.
5. The lumbar support mechanism of an automobile seat according to claim 1, characterized in that the length ratio of the strut (3) located at the front end of the rotating rod (9) to the strut (3) located at the rear end of the rotating rod (9) is 1: 4.
6. the lumbar support mechanism of the automobile seat is characterized in that the mounting seat (17) is of an L-shaped structure, and the mounting seat (17) is connected with the cushion plate (1) through a fixing bolt.
7. The lumbar support mechanism of the car seat is characterized in that the first transmission shaft (15) and the two support rods (11) form an isosceles triangle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994977.4U CN211364350U (en) | 2019-11-19 | 2019-11-19 | Waist support mechanism of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994977.4U CN211364350U (en) | 2019-11-19 | 2019-11-19 | Waist support mechanism of automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211364350U true CN211364350U (en) | 2020-08-28 |
Family
ID=72166555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921994977.4U Expired - Fee Related CN211364350U (en) | 2019-11-19 | 2019-11-19 | Waist support mechanism of automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211364350U (en) |
-
2019
- 2019-11-19 CN CN201921994977.4U patent/CN211364350U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |