CN107672486B - Electric seat and seat basin angle adjusting mechanism thereof - Google Patents
Electric seat and seat basin angle adjusting mechanism thereof Download PDFInfo
- Publication number
- CN107672486B CN107672486B CN201711099946.8A CN201711099946A CN107672486B CN 107672486 B CN107672486 B CN 107672486B CN 201711099946 A CN201711099946 A CN 201711099946A CN 107672486 B CN107672486 B CN 107672486B
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- adjusting
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- seat
- basin
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- 230000007246 mechanism Effects 0.000 title claims abstract description 54
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 101150006573 PAN1 gene Proteins 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 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
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
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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
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
- B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
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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
- B60N2/16—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 height-adjustable
- B60N2/18—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 height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
- B60N2/185—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 height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the drive mechanism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
The invention discloses an electric seat and a seat basin angle adjusting mechanism thereof, wherein the seat basin angle adjusting mechanism comprises a seat basin and a seat frame, and the rear end part of the seat basin is hinged to the seat frame; the device also comprises a motor, an adjusting cross rod and a first adjusting bracket, wherein the motor is fixed on the seat frame; one end of the first adjusting bracket is hinged with the output part of the motor, the other end of the first adjusting bracket is hinged with the seat frame, the first adjusting bracket is fixed on the adjusting cross rod, and the adjusting cross rod is connected with the chair basin; the output part of the motor can extend or retract and drive the first adjusting bracket and the adjusting cross rod to act so as to control the seat basin to rotate relative to the seat frame. The chair basin angle adjusting mechanism provided by the invention has the advantages that the number of parts is greatly reduced, and the assembly process can be greatly simplified; the output end of the motor is directly connected with the first adjusting bracket, no excessive transmission parts exist, and the cantilever of the whole chair basin angle adjusting mechanism is greatly shortened, so that the rigidity can be improved.
Description
Technical Field
The invention relates to the technical field of seat basin angle adjustment, in particular to an electric seat and a seat basin angle adjustment mechanism thereof.
Background
The existing electric seat is generally provided with a seat basin angle adjusting mechanism to adjust the inclination angle of the seat basin, so as to meet the riding requirements of different people.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a specific embodiment of a seat pan angle adjusting mechanism of a power seat in the prior art, and fig. 2 is a schematic operation diagram of the seat pan angle adjusting mechanism in fig. 1.
As shown in fig. 1, the angle adjusting mechanism of the seat pan in the prior art comprises a motor 05, wherein the motor 05 is fixed on a seat frame side plate 01, and specifically, the angle adjusting mechanism also comprises a motor bracket positioning plate 02 and a U-shaped motor bracket 03, wherein the motor bracket positioning plate 02 is welded on the seat frame side plate 01, the U-shaped motor bracket 03 is fixed on the motor bracket positioning plate 02 through bolts, and the motor 05 is hinged on two side plates of the U-shaped motor bracket 03 through a first connecting piece 04; the motor 05 is powered by the plastic round nut 06 sleeved outside the screw rod of the motor 05, the outer wall of the plastic round nut 06 is also provided with external threads so as to be connected with the metal threaded pipe 07, and the plastic round nut 06 and the metal threaded pipe are connected into a whole through a nest pressing process; the end, far away from the motor 05, of the metal threaded pipe 07 is fixedly connected with a motor connecting bracket 08, the motor connecting bracket 08 is hinged with an angle adjusting connecting bracket 10 through a second connecting piece 09, and the angle adjusting connecting bracket 10 is also connected with an angle adjusting rotating pipe 11; the angle adjusting rotary pipe 11 is also fixedly connected with a seat pan angle adjusting bracket 12, and one end of the seat pan angle adjusting bracket 12, which is far away from the angle adjusting rotary pipe 11, is hinged with the seat frame side plate 01 through a third connecting piece 13; the device also comprises a guide piece 14, wherein the guide piece 14 is fixedly connected to the bottom of the chair basin 15, a guide groove is formed in the guide piece 14, and the angle adjusting rotating tube 11 is inserted into the guide groove; the rear end of the seat pan 15 is hinged to the seat frame side plate 01 through a fourth connecting piece 16, so that the seat pan 15 and the seat frame side plate 01 can rotate relatively.
The principle of action of the chair basin angle adjustment mechanism can be seen in fig. 2, and the hollow circles not marked in fig. 2 represent the hinging relationship.
During specific work, the plastic round nut 06 is matched with the metal threaded pipe 07, so that the spiral rotation of the screw rod of the motor 05 can be converted into linear motion, then the motor connecting bracket 08, the angle adjusting connecting bracket 10 and the chair basin angle adjusting bracket 12 act on the angle adjusting rotating pipe 11, and the chair basin 15 is further driven to rotate around the hinge point of the chair basin 15 and the seat frame side plate 01, so that the angle of the chair basin 15 can be adjusted.
The chair basin angle adjusting mechanism can realize the aim of adjusting the angle of the chair basin, but has the advantages of numerous parts and extremely complex assembly process; the motor used by the mechanism needs to be matched with a plastic round nut to convert the spiral rotation of the motor into linear motion, then a series of parts such as a metal threaded pipe, a motor connecting support and an angle adjusting connecting support are matched to act, so that the angle adjusting rotating pipe can be driven to adjust the angle of the chair basin, the cantilever of the whole chair basin angle adjusting mechanism is long, the rigidity is poor, and in the using process, the mechanism is extremely easy to damage due to the vibration of a vehicle body and the like.
Therefore, how to provide a chair basin angle adjusting mechanism with less parts, convenient assembly and better rigidity is still a technical problem to be solved by the person skilled in the art.
Disclosure of Invention
The invention aims to provide an electric seat and a seat pan angle adjusting mechanism thereof, wherein the number of parts of the seat pan angle adjusting mechanism is small, the assembly process can be simplified, and the seat pan angle adjusting mechanism is better in performance.
In order to solve the technical problems, the invention provides a chair basin angle adjusting mechanism which is used for an electric chair and comprises a chair basin and a seat frame, wherein the rear end part of the chair basin is hinged to the seat frame; the device also comprises a motor, an adjusting cross rod and a first adjusting bracket, wherein the motor is fixed on the seat frame; one end of the first adjusting bracket is hinged with the output part of the motor, the other end of the first adjusting bracket is hinged with the seat frame, the first adjusting bracket is fixed on the adjusting cross rod, and the adjusting cross rod is connected with the chair basin; the output part of the motor can extend or retract and drive the first adjusting bracket and the adjusting cross rod to act so as to control the seat basin to rotate relative to the seat frame.
According to the chair basin angle adjusting mechanism provided by the invention, the output end of the motor can extend or retract, so that the first adjusting bracket and the adjusting cross rod are driven to act, and the adjustment of the chair basin angle can be completed.
Compared with the prior art, the chair basin angle adjusting mechanism provided by the invention has the advantages that the number of parts is greatly reduced, the core parts only comprise three parts, namely the motor, the first adjusting bracket and the adjusting cross rod, and the assembly process can be greatly simplified; in addition, because the motor output end is directly connected with the first adjusting bracket, excessive transmission parts are not needed, the cantilever of the whole chair basin angle adjusting mechanism is greatly shortened, the rigidity can be improved, and the service life is prolonged.
Optionally, the first adjusting bracket comprises a first connecting part and a second connecting part which are arranged at an included angle, and two opposite ends of the first connecting part and the second connecting part are respectively hinged with the output part and the seat frame.
Optionally, the seat frame comprises two side plates and a connecting rod connected with the front ends of the two side plates; the first adjusting bracket and the second adjusting bracket are respectively fixed at two end parts of the adjusting cross rod and are respectively hinged with the side plates at the corresponding sides.
Optionally, a supporting surface is arranged at the upper end of the second adjusting bracket, and the supporting surface can be abutted with the connecting rod.
Optionally, the motor bracket also comprises a positioning plate and a motor bracket, wherein the positioning plate is fixedly arranged on the connecting rod; the motor support is U-shaped, the transverse plate of the U-shaped is fixed on the positioning plate, at least one of the two vertical plates of the U-shaped is provided with a clamping hole, and the motor is clamped in the clamping hole.
Optionally, a part of the motor, which is connected with the motor bracket, is provided with a clamping groove extending along the circumferential direction on the outer wall; when the motor is in a connection state with the motor support, the clamping groove can be clamped with the clamping hole.
Optionally, in the connection state, the peripheral wall of the part of the motor connected with the motor bracket can be attached to the transverse plate of the motor bracket.
Optionally, the device further comprises a guide piece, wherein a guide hole extending along the front-back direction is formed in the guide piece; the guide piece is fixed on the bottom surface of the chair basin, and the adjusting cross rod passes through the guide hole and can slide in the guide hole.
Optionally, the number of the guide members is plural, and each guide member is disposed at intervals in the lateral direction.
The invention also provides an electric seat, which comprises a seat pan angle adjusting mechanism, wherein the seat pan angle adjusting mechanism is the seat pan angle adjusting mechanism.
Because the above-mentioned chair basin angle adjustment mechanism has the technical effects as described above, the electric chair with the chair basin angle adjustment mechanism also has similar technical effects, and will not be described herein.
Drawings
FIG. 1 is a schematic view of a construction of an embodiment of a seat pan angle adjustment mechanism for a power seat according to the prior art;
FIG. 2 is a schematic diagram of the operation of the chair basin angle adjustment mechanism of FIG. 1;
FIG. 3 is a schematic view of a structure of an embodiment of a seat pan angle adjustment mechanism for a power seat according to the present invention;
FIG. 4 is a schematic diagram of the operation of the chair basin angle adjustment mechanism of FIG. 3;
FIG. 5 is an exploded view of FIG. 3;
FIG. 6 is a schematic diagram of the motor and motor bracket of FIG. 5;
FIG. 7 is a front view of the motor;
FIG. 8 is a connection structure diagram of the adjusting cross bar of FIG. 5 with the first adjusting bracket and the second adjusting bracket;
fig. 9 is a schematic view of the structure of fig. 3 at another view angle.
The reference numerals in fig. 1-2 are illustrated as follows:
01 seat frame curb plate, 02 motor support locating plate, 03U type motor support, 04 first connecting piece, 05 motor, 06 plastics round nut, 07 metal screw pipe, 08 motor linking bridge, 09 second connecting piece, 10 angle modulation linking bridge, 11 angle modulation swivel tube, 12 angle modulation support, 13 third connecting piece, 14 guide piece, 15 chair basin, 16 fourth connecting piece.
The reference numerals in fig. 3-9 are illustrated as follows:
1, a chair basin;
2 seat frames, 21 side plates, 211 first side plate connecting holes, 212 second side plate connecting holes, 213 third side plate connecting holes and 22 connecting rods;
3, a motor, a 31 output part, a 311 output part connecting hole, a 32 clamping groove, a 33 plastic gasket, a 34 limit sleeve and a 35 abutting surface;
4, adjusting the cross bar;
5 first adjusting bracket, 51 first connecting part, 511 first connecting part connecting hole, 52 second connecting part, 521 second connecting part connecting hole;
6 second adjusting brackets, 61 supporting surfaces and 62 second adjusting bracket connecting holes;
7 guide pieces and 71 guide holes;
8, positioning a plate;
9 motor bracket, 91 transverse plate, 92 vertical plate and 921 clamping hole;
and a connecting piece.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The term "plurality" as used herein generally refers to more than two.
The terms "first," "second," "third," "fourth," and the like herein are merely used for convenience in describing two or more components having the same or similar structure, and do not denote any particular limitation of the order.
Here, the traveling direction of the vehicle is taken as the front-rear direction, in which the direction near the head is the front, and the direction near the tail is the rear, and the front-rear direction is also referred to as the longitudinal direction; in the horizontal plane, a direction perpendicular to the front-rear direction is a left-right direction, which is also called a transverse direction; the vertical direction is the up-down direction, and in the vertical direction, the direction away from the ground is up, and the direction close to the ground is down.
Referring to fig. 3-9, fig. 3 is a schematic structural view of a seat pan angle adjusting mechanism of an electric seat according to an embodiment of the present invention, fig. 4 is a schematic operational view of the seat pan angle adjusting mechanism of fig. 3, fig. 5 is an exploded view of fig. 3, fig. 6 is a schematic structural view of a motor and a motor bracket of fig. 5, fig. 7 is a front view of the motor, fig. 8 is a connecting structure of an adjusting cross bar and a first adjusting bracket and a second adjusting bracket of fig. 5, and fig. 9 is a schematic structural view of another view of fig. 3.
As shown in fig. 3, and referring to fig. 5, the invention provides a seat pan angle adjusting mechanism for an electric seat, which comprises a seat pan 1 and a seat frame 2, wherein the seat frame 2 comprises two side plates 21 and a connecting rod 22, the front ends of the two side plates 21 can be provided with first side plate connecting holes 211, and two ends of the connecting rod 22 are respectively inserted into the two first side plate connecting holes 211 to form a main body structure of the seat frame 2.
The "rod" herein may be a solid rod or a hollow rod, i.e. a tube, depending on the requirements of use.
The rear end of the seat pan 1 may be hinged to the two side plates 21, specifically, third side plate connecting holes 213 may be respectively provided at the two side plates 21, and the rear end of the seat pan 1 may be provided with two rear extension plates which may be disposed at intervals in the lateral direction; then, the two rear extension plates can be respectively connected to the third side plate connecting holes 213 of the two side plates 21 through the connecting piece a, and the seat pan 1 and the side plates 21 connected through the connecting piece a can rotate relatively. Thus, the angle of the chair basin 1 can be conveniently adjusted by only applying an acting force to the front end of the chair basin 1.
The connection element a referred to herein is mainly a hinged connection, the two parts or structures to which it is connected being rotatable relative to each other, and the connection element a may be specifically a pin or a step screw or the like.
The chair basin angle adjusting mechanism further comprises a motor 3, an adjusting cross rod 4 and a first adjusting support 5, wherein the motor 3 is fixed on the seat frame 2, one end of the first adjusting support 5 is hinged with an output part 31 of the motor 3, the other end of the first adjusting support is hinged with the seat frame 2, the first adjusting support 5 is fixed on the adjusting cross rod 4, and the adjusting cross rod 4 is connected with the bottom surface of the chair basin 1.
As shown in fig. 4, the hollow circle not marked in fig. 4 indicates a hinged relationship, and when the device specifically works, the output part 31 of the motor 3 can extend or retract and drive the first adjusting bracket 5 to rotate, so as to drive the adjusting cross bar 4 to act, thereby controlling the seat pan 1 to rotate relative to the seat frame 2 and realizing the adjustment of the angle of the seat pan 1.
Compared with the prior art, the chair basin angle adjusting mechanism provided by the invention has the advantages that the number of parts is greatly reduced, the core parts only comprise three parts of the motor 3, the first adjusting bracket 5 and the adjusting cross rod 4, and the assembly process can be greatly simplified; in addition, as the output end 31 of the motor 3 is directly connected with the first adjusting bracket 5, excessive transmission parts are not needed, and the cantilever of the whole chair basin angle adjusting mechanism is greatly shortened, so that the rigidity of the chair basin angle adjusting mechanism can be improved, and the service life of the chair basin angle adjusting mechanism is prolonged.
Further, according to the chair basin angle adjusting mechanism provided by the invention, the motor 3 can be fixed on the connecting rod 22, so that compared with the scheme that the motor 3 is fixed on the side plate 21 in the prior art, the strength of the connecting rod 22 is higher, and the reliability and stability of the fixation of the motor 3 are ensured.
Still regard fig. 3 as the perspective, and combine fig. 5, 6, can be equipped with locating plate 8 and motor support 9 between motor 3 and the extension rod 22, locating plate 8 can be fixed in extension rod 22 through technologies such as welding, bonding or joint. The motor bracket 9 may be U-shaped, the cross plate 91 of the U-shape may be fixed to the positioning plate 8 by a connecting member such as a screw or a bolt, at least one of the two risers 92 of the U-shape may be provided with a clamping hole 921, and the motor 3 may be clamped in the clamping hole 921.
In particular, in the embodiment of the present invention, two vertical plates 92 of the motor support 9 may be provided with the clamping holes 921, and the motor 3 may pass through the two clamping holes 921 and form a clamping structure with the peripheral walls of the two clamping holes 921, so that the connection reliability of the motor 3 and the motor support 9 is more beneficial to be ensured.
Referring to fig. 7, the portion of the motor 3 connected to the motor bracket 9 is shown in the drawing, that is, the left end portion of the motor 3, and the outer wall thereof may be provided with two circumferentially extending clamping grooves 32 at intervals. When the motor 3 and the motor bracket 9 are in a connected state, the clamping groove 32 can be clamped with the clamping hole 921, specifically, the bottom of the clamping groove 32 is abutted against the peripheral wall of the clamping hole 921, and two side walls of the clamping groove 32 are tightly attached to two end surfaces of the vertical plate 92 of the motor bracket 9. The clamping groove 32 may be a ring groove, or an arc groove extending along a circumferential direction.
When the motor 3 is engaged with the motor bracket 9, the portion of the motor 3 engaged with the motor bracket 9 has an abutment surface 35 at the upper end of the peripheral wall, and the abutment surface 35 can be bonded to the cross plate 91 of the motor bracket 9. Thus, the transverse plate 91 of the motor bracket 9 is matched with the two clamping holes 921, so that a three-point supporting structure can be formed for the motor 3, and the reliable positioning of the motor 3 is more facilitated to be ensured.
In fact, the motor 3 is clamped into the motor support 9, and may further include an output portion 31 of the motor 3, where the output portion 31 includes a screw rod, and when the rotating shaft of the motor 3 rotates, the screw rod can be driven to generate linear displacement, so that the screw rod extends or retracts, and then the first adjusting support 5 is driven to act.
In addition, the motor 3 can be further provided with a plastic gasket 33 and a limiting sleeve 34 to adjust the stroke of the output part 31, and with the arrangement, the motor 3 with the same model can meet different stroke adjustment requirements of the electric seat basin 1 with different structures, so that the angle adjustment mechanism of the seat basin provided by the embodiment of the invention has wider applicability.
As shown in fig. 8, and in combination with fig. 5, the first adjusting bracket 5 may include a first connecting portion 51 and a second connecting portion 52 disposed at an included angle, that is, the first adjusting bracket 5 has a bent structure, and the first connecting portion 51 and the second connecting portion 52 may be connected by welding, or may be formed by integral casting.
It should be noted that the embodiment of the present invention is not limited to the specific angle between the first connecting portion 51 and the second connecting portion 52, and those skilled in the art can set the angle according to the actual use requirement.
Opposite ends of the first connecting portion 51 and the second connecting portion 52, that is, opposite ends far from the connecting portion of the two, may be hinged to the output portion 31 and the seat frame 2, respectively. In detail, the first connection portion 51 may be provided with a first connection portion connection hole 511, the second connection portion 52 may be provided with a second connection portion connection hole 521, the output portion 31 may be provided with an output portion connection hole 311, the side plate 21 provided on the same side as the first connection bracket 5 may be provided with a second side plate connection hole 212, and then the first connection portion connection hole 511 and the output portion connection hole 311 may be connected to each other through the connection member a, and the second connection portion connection hole 521 may be connected to the second side plate connection hole 212.
During installation, the part of the first connecting part 51 close to the second connecting part 52, the part of the second connecting part 52 close to the first connecting part 51 or the connecting part of the first connecting part 51 and the second connecting part 52 can be fixed on the adjusting cross rod 4, namely, the bending part of the first connecting bracket 5 is connected with the adjusting cross rod 4, so that the first connecting bracket 5 is more convenient for adjusting the seat pan 1 to rotate.
The first connection part 51 may be connected to the middle portion of the second connection part 52, and at this time, the second connection part 52 protrudes from the first connection part 51 in a direction away from the second connection part connection hole 521, and may naturally form a mounting structure so as to be connected to the adjustment rail 4; alternatively, a special mounting structure may be provided on the first adjusting bracket 5 to be connected to the adjusting rail 4.
Further, the seat frame 2 further comprises a second adjusting bracket 6, the first adjusting bracket 5 and the second adjusting bracket 6 can be respectively fixed at two ends of the adjusting cross bar 4, and the second adjusting bracket 6 can also be provided with a second adjusting bracket connecting hole 62 and can be hinged to the seat frame 2 side plate 21 at the corresponding side through the second adjusting bracket connecting hole 62.
When the chair is used, the first adjusting bracket 5 is a driving bracket, the second adjusting bracket 6 is a driven bracket and is used for driving the adjusting cross rod 4 by matching with the first adjusting bracket 5, and the two adjusting brackets can ensure the approximately synchronous action of the left end and the right end of the adjusting cross rod 4 so as to ensure the stability of the chair basin 1 in the angle adjusting process.
With continued reference to fig. 8, and with reference to fig. 9, the upper end of the second adjusting bracket 6 may have a supporting surface 61, where the supporting surface 61 can abut against the connecting rod 22, so as to prevent the seat pan 1 from excessively deforming in the Z direction when the vehicle collides, and reduce the damage to the human body; similarly, the upper end of the first adjusting bracket 5 may also be provided with the supporting surface 61, so that the first adjusting bracket 5 cooperates with the second adjusting bracket 6 to form a better support for the docking rod 22, so as to more effectively prevent the seat pan 1 from being excessively deformed in the Z direction.
The bottom surface of the seat pan 1 may be further provided with a plurality of guide members 7, and in particular, in the embodiment of the present invention, the number of the guide members 7 is two, and the two guide members 7 may be disposed at intervals in the lateral direction. The guide holes 71 extending along the front-rear direction can be formed in each guide piece 7, the adjusting cross rod 4 can penetrate through the guide holes 71 of each guide piece 7, and when the first adjusting bracket 5 drives the adjusting cross rod 4 to act, the adjusting cross rod 4 can slide in the guide holes 71, so that the angle of the chair basin 1 can be adjusted.
The guide hole 71 may be formed by enclosing the guide member 7 with the seat pan 1, specifically, the guide member 7 may have a U-shaped structure, and the opening of the U-shaped structure may be connected to the bottom surface of the seat pan 1, so that the groove of the U-shaped structure and the bottom surface of the seat pan 1 may enclose to form the guide hole 71, and the guide hole 71 in this form may also satisfy the above effects.
The invention also provides a power seat, which comprises the seat pan angle adjusting mechanism in each embodiment.
Because the chair basin angle adjusting mechanism has the technical effects as above, the electric chair with the chair basin adjusting mechanism has similar technical effects, and therefore, the description is omitted herein.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (5)
1. The chair basin angle adjusting mechanism is used for an electric chair and comprises a chair basin (1) and a seat frame (2), wherein the rear end part of the chair basin (1) is hinged to the seat frame (2), and is characterized by further comprising a motor (3), an adjusting cross rod (4) and a first adjusting bracket (5), and the motor (3) is fixed to the seat frame (2);
one end of the first adjusting bracket (5) is hinged with an output part (31) of the motor (3), the other end of the first adjusting bracket is hinged with the seat frame (2), the first adjusting bracket (5) is fixed on the adjusting cross rod (4), and the adjusting cross rod (4) is connected with the chair basin (1);
the output part (31) of the motor (3) can extend or retract and drive the first adjusting bracket (5) and the adjusting cross rod (4) to act so as to control the seat basin (1) to rotate relative to the seat frame (2);
the seat frame (2) comprises two side plates (21) and a connecting rod (22) connected with the front ends of the two side plates (21); the device further comprises a second adjusting bracket (6), wherein the first adjusting bracket (5) and the second adjusting bracket (6) are respectively fixed at two end parts of the adjusting cross rod (4) and are respectively hinged with the side plates (21) at the corresponding sides;
the upper end of the second adjusting bracket (6) is provided with a supporting surface (61), and the supporting surface (61) can be abutted with the connecting rod (22);
the motor bracket also comprises a positioning plate (8) and a motor bracket (9), wherein the positioning plate (8) is fixedly arranged on the connecting rod (22); the motor bracket (9) is U-shaped, a transverse plate (91) of the U shape is fixed on the positioning plate (8), at least one of two vertical plates (92) of the U shape is provided with a clamping hole (921), and the motor (3) is clamped in the clamping hole (921);
the motor (3) is connected with the motor bracket (9), and the outer wall of the motor is provided with a clamping groove (32) extending along the circumferential direction; when the motor (3) is in a connection state with the motor bracket (9), the clamping groove (32) can be clamped with the clamping hole (921);
when in a connection state, the peripheral wall of the part of the motor (3) connected with the motor bracket (9) can be attached to the transverse plate (91) of the motor bracket (9).
2. The chair basin angle adjusting mechanism according to claim 1, wherein the first adjusting bracket (5) comprises a first connecting portion (51) and a second connecting portion (52) which are arranged in an included angle, and two opposite ends of the first connecting portion (51) and the second connecting portion (52) are respectively hinged with the output portion (31) and the seat frame (2).
3. The chair basin angle adjusting mechanism according to claim 1 or 2, further comprising a guide (7), wherein a guide hole (71) extending in the front-rear direction is provided in the guide (7);
the guide piece (7) is fixed on the bottom surface of the seat basin (1), and the adjusting cross rod (4) passes through the guide hole (71) and can slide in the guide hole (71).
4. A chair basin angle adjustment mechanism according to claim 3, characterized in that the number of guides (7) is plural, each guide (7) being arranged at a lateral interval.
5. A power seat comprising a seat pan angle adjustment mechanism, wherein the seat pan angle adjustment mechanism is the seat pan angle adjustment mechanism of any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099946.8A CN107672486B (en) | 2017-11-09 | 2017-11-09 | Electric seat and seat basin angle adjusting mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099946.8A CN107672486B (en) | 2017-11-09 | 2017-11-09 | Electric seat and seat basin angle adjusting mechanism thereof |
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| CN107672486B true CN107672486B (en) | 2023-08-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108638922A (en) * | 2018-07-13 | 2018-10-12 | 重庆延锋安道拓汽车部件系统有限公司 | A kind of basin angle adjustment mechanism |
| CN116605108A (en) * | 2022-02-08 | 2023-08-18 | 延锋国际座椅系统有限公司 | Adjusting device for a vehicle seat, seat cushion frame and vehicle seat |
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| CN107672486A (en) | 2018-02-09 |
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