CN220199131U - Extensible seat - Google Patents

Abstract

The utility model discloses an extensible seat, which comprises a first cushion, wherein the first cushion is connected with a second cushion in a telescopic manner, one end, far away from the first cushion, of the second cushion is rotatably connected with a leg support mechanism, the bottom of the first cushion is provided with a telescopic mechanism, and the telescopic end of the telescopic mechanism drives the leg support mechanism and the second cushion to extend or retract simultaneously. According to the utility model, the telescopic movement of the telescopic mechanism is converted into the up-and-down adjustment of the leg support mechanism, and the telescopic mechanism drives the second cushion to stretch and retract, so that the leg support mechanism connected to the second cushion is driven to adjust front and back, and meanwhile, the leg support mechanism is directly connected with the second cushion, and a connecting rod mechanism is not required to be installed, so that the connecting rod mechanism is not required to be assembled, the situation that the connecting rod mechanism is assembled and misplaced is avoided, the assembly efficiency of the whole seat is relatively improved, and the technical problem that the assembly efficiency of the seat is relatively low because the connecting rod mechanism is complex in assembly in the prior art is solved.

Description

Extensible seat

Technical Field

The utility model relates to the technical field of automobile seats, in particular to an extensible seat.

Background

Along with innovation and development of science and technology, functions of the automobile seat are more and more humanized, and at present, leg support mechanisms are installed on part of automobile seats, so that a certain support can be provided for lower legs, and comfort of the seats is improved.

For example, chinese patent with publication number CN212313364U discloses a four-way leg support mechanism for an automobile seat, which comprises a fixed mounting bracket, wherein the fixed mounting bracket is fixedly mounted on a seat framework, an upper and a lower two-way screw motors are mounted below the fixed mounting bracket, one end of a screw of each upper and lower two-way screw motor is hinged with a connecting rod mechanism, a first leg support plate is fixedly connected on the connecting rod mechanism, and a second leg support plate is slidingly mounted above the first leg support plate. The four-way leg support mechanism of the automobile seat provided by the utility model can realize the upward and downward two-way adjustment of the leg support, and can also realize the forward and backward two-way adjustment, so that the functionality of the leg support is enhanced, and the application range of the leg support is enlarged.

But this kind of car seat is connected through link mechanism between supporting the mechanism with the leg, realizes supporting the mechanism with the leg through link mechanism and adjusts, and in actual use production process, link mechanism is by a plurality of connecting rods cross hinge, and the equipment is more complicated, therefore when the equipment on the production line, the link mechanism appears the condition of equipment dislocation easily, in case the installation dislocation, link mechanism just can not normally adjust supporting the mechanism with the leg, needs to dismantle the installation again, leads to the assembly efficiency of whole seat lower.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides an extensible seat, which solves the technical problem of lower assembly efficiency of the seat caused by complex assembly of a connecting rod mechanism in the prior art.

The technical scheme of the utility model is realized as follows: the utility model provides an extensible seat, includes first cushion, first cushion telescopic connection has the second cushion, and the one end that first cushion was kept away from to the second cushion rotates and is connected with leg rest mechanism, and first cushion bottom is equipped with telescopic machanism, and telescopic machanism's flexible end drives leg rest mechanism and second cushion and stretches out simultaneously or retract simultaneously.

Preferably, the first cushion is provided with a sliding sleeve, the second cushion is provided with a sliding rod, and the sliding rod is spliced with the sliding sleeve.

Preferably, one end of the second cushion far away from the sliding rod is hinged with the leg support mechanism; the leg holds in palm mechanism includes the backup pad, is equipped with first pivot on the side of second cushion, the backup pad cup joints in first pivot, two the backup pad passes through the fixed plate to be connected, and the fixed plate is located the backup pad and contacts with the human body one side, backup pad and telescopic machanism sliding connection.

Preferably, the support plate comprises a plate body, a first contact area and a second contact area are arranged on one side of the plate body, which is contacted with the human body, the first contact area and the second contact area are both raised towards one side, which is contacted with the human body, of the support plate, the first contact area and the second contact area are raised, a concave area is formed between the first contact area and the second contact area, a sliding groove is arranged on the plate body, the sliding groove is connected with a support rod in a sliding manner, and a telescopic mechanism is sleeved on the support rod.

Preferably, the first contact area is located at a middle position of the side surface of the plate body, and the second contact area is located at the bottom of the side surface of the plate body.

Preferably, the plate body is provided with at least two binding holes.

Preferably, the fixing plate is provided with a bending area, and the bending area corresponds to the first contact area, the concave area and the second contact area on the plate body respectively.

Preferably, the sliding groove is an arc-shaped sliding groove, the direction from the first contact area to the concave area on the plate body is a length direction, and the sliding groove is arranged on the plate body along the length direction.

Preferably, the telescopic machanism is including connecting the motor in first cushion bottom, is connected with the lead screw on the motor, and one end of lead screw is equipped with the stopper, the other end rotates to be connected with the adapter sleeve, is connected with the second pivot on the adapter sleeve, has cup jointed the connecting plate in the second pivot, the connecting plate with the bracing piece is articulated.

Preferably, one end of the first cushion, which is close to the second cushion, is provided with a bump, one end of the second cushion, which is close to the first cushion, is provided with a groove, and the bump is in plug-in fit with the groove.

The first cushion is connected with the second cushion in a telescopic way, the telescopic end of the telescopic mechanism drives the leg support mechanism and the second cushion to extend out or retract simultaneously, when the telescopic end of the telescopic mechanism drives the leg support mechanism and the second cushion to extend out simultaneously, the extending motion of the telescopic mechanism is converted into upward adjustment and forward adjustment of the leg support mechanism, when the telescopic end of the telescopic mechanism drives the leg support mechanism and the second cushion to retract simultaneously, the retracting motion of the telescopic mechanism is converted into downward adjustment and backward adjustment of the leg support mechanism, the telescopic motion of the telescopic mechanism is converted into upward and downward adjustment of the leg support mechanism, and meanwhile, the telescopic mechanism drives the second cushion to extend out and retract simultaneously, and then the leg support mechanism connected to the second cushion is driven to extend out simultaneously, so that the action of a connecting rod mechanism in a comparison document is realized, meanwhile, the leg support mechanism is directly connected with the second cushion, no connecting rod mechanism is required to be assembled, the situation that the connecting rod mechanism is misplaced is avoided, the assembling efficiency of the whole seat is relatively improved, and the technical problem that the assembling efficiency of the seat is relatively low because the connecting rod mechanism is complex in the prior art is solved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a cross-sectional view of the present utility model.

Fig. 2 is a schematic view of a leg rest mechanism according to the present utility model.

In the figure, 1 first cushion, 2 second cushion, 3 sliding sleeve, 4 slide bars, 5 second pivots, 6 fixed plates, 7 sliding grooves, 8 supporting rods, 9 plate bodies, 10 first contact areas, 11 second contact areas, 12 concave areas, 13 binding holes, 14 motors, 15 lead screws, 16 limiting blocks, 17 connecting sleeves, 18 connecting plates, 19 convex blocks, 20 grooves and 21 first pivots.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, embodiment 1, an extendable seat comprises a first cushion 1, the first cushion 1 is telescopically connected with a second cushion 2, one end of the second cushion 2 away from the first cushion 1 is rotationally connected with a leg rest mechanism, the bottom of the first cushion 1 is provided with a telescopic mechanism, and the telescopic end of the telescopic mechanism drives the leg rest mechanism and the second cushion 2 to extend or retract simultaneously. The first cushion is connected with the second cushion in a telescopic way, the telescopic end of the telescopic mechanism drives the leg support mechanism and the second cushion to extend out or retract simultaneously, when the telescopic end of the telescopic mechanism drives the leg support mechanism and the second cushion to extend out simultaneously, the extending motion of the telescopic mechanism is converted into upward adjustment and forward adjustment of the leg support mechanism, when the telescopic end of the telescopic mechanism drives the leg support mechanism and the second cushion to retract simultaneously, the retracting motion of the telescopic mechanism is converted into downward adjustment and backward adjustment of the leg support mechanism, the telescopic motion of the telescopic mechanism is converted into upward and downward adjustment of the leg support mechanism, and meanwhile, the telescopic mechanism drives the second cushion to extend out and retract simultaneously, and then the leg support mechanism connected to the second cushion is driven to be adjusted forward and backward, so that the action of the link mechanism in a comparison document is realized, meanwhile, the leg support mechanism is directly connected with the second cushion, no need of installing the link mechanism, the condition of assembling the link mechanism is avoided, the assembling misplacement of the link mechanism is relatively improved, and the assembling efficiency of the whole seat is relatively improved, and the technical problem of relatively low assembling efficiency of the seat in the prior art is solved.

As shown in fig. 1, preferably, the first cushion 1 is provided with a sliding sleeve 3, the second cushion 2 is provided with a sliding rod 4, and the sliding rod 4 is spliced with the sliding sleeve 3. The sliding sleeve 3 is welded on the first cushion 1, the sliding rod 4 is welded on the second cushion 2, and a limiting structure can be arranged on the sliding rod 4 to prevent the sliding rod 4 from falling out of the sliding sleeve 3. The second cushion 2 is preferably fixed with two slide bars 4, the two slide bars 4 are symmetrically arranged on the second cushion 2, and the two slide bars 4 are opposite to one slide bar 4, so that the support of the second cushion 2 is improved.

As shown in fig. 1 and 2, preferably, one end of the second cushion 2 far away from the sliding rod 4 is hinged with the leg rest mechanism; the leg support mechanism comprises a support plate, a first rotating shaft 21 is arranged on the side face of the second cushion 2, the support plate is sleeved on the first rotating shaft 21, the two support plates are connected through a fixing plate 6, the fixing plate 6 is located on one side, in contact with a human body, of the support plate, and the support plate is in sliding connection with the telescopic mechanism. The plate body 9 is provided with a chute 7, the chute 7 is connected with a supporting rod 8 in a sliding way, and the supporting rod 8 is sleeved with a telescopic mechanism. Preferably, the chute 7 is an arc chute, the direction from the first contact area 10 to the concave area 12 on the plate body 9 is a length direction, and the chute 7 is arranged on the plate body 9 along the length direction. When the telescopic end of the telescopic mechanism drives the leg supporting mechanism and the second cushion 2 to stretch out simultaneously, the extension motion of the telescopic mechanism is converted into upward adjustment and forward adjustment of the leg supporting mechanism, when the telescopic end of the telescopic mechanism drives the leg supporting mechanism and the second cushion 2 to retract simultaneously, the retraction motion of the telescopic mechanism is converted into downward adjustment and backward adjustment of the leg supporting mechanism, the extension motion of the telescopic mechanism is converted into upward and downward adjustment of the leg supporting mechanism, and simultaneously the extension of the telescopic mechanism drives the second cushion 2 to extend and retract, so that the leg supporting mechanism connected to the second cushion 2 is driven to adjust forward and backward.

As shown in fig. 1 and 2, the plate body 9 is preferably provided with four binding holes 13. Four ligature holes 13 evenly distributed are at the both ends of spout 7, and ligature hole 13's setting is convenient for later stage place the foam on leg holds in the palm the mechanism to utilize the bolt of overcoat and plate body 9 to fix the foam on plate body 9.

As shown in fig. 1, preferably, the telescopic mechanism comprises a motor 14 connected to the bottom of the first cushion 1, a screw rod 15 is connected to the motor 14, a limit block 16 is arranged at one end of the screw rod 15, a connecting sleeve 17 is rotatably connected to the other end of the screw rod, a second rotating shaft 5 is connected to the connecting sleeve 17, a connecting plate 18 is sleeved on the second rotating shaft 5, and the connecting plate 18 is hinged to the supporting rod 8. The lead screw 15 moves along the axis of the lead screw 15 under the drive of the motor 14, the leg support mechanism is adjusted up and down while the lead screw 15 does not move up and down, and the lead screw 15 is prevented from being separated from the motor 14 due to the arrangement of the limiting block 16. Preferably, the distance between the limiting block 16 and the motor 14, namely the movable distance of the screw 15 on the motor 14 is the same as the distance of the sliding rod 4 moving from the sliding sleeve 3.

In the implementation of embodiment 1, the motor 14 is started, the screw rod 15 is driven by the motor 14 to extend along the axis of the screw rod, the supporting rod 8 connected with the end part of the screw rod 15 moves along the chute 7 to drive the plate body 9 to be adjusted upwards, and meanwhile, in the process of adjusting the plate body 9 upwards, the plate body 9 drives the second cushion 2 to extend in the same direction as the screw rod 15 to indirectly drive the plate body 9 to be adjusted forwards; when the screw rod 15 is driven by the motor 14 to retract along the axis of the screw rod, the supporting rod 8 connected with the end part of the screw rod 15 moves along the sliding groove 7 to drive the plate body 9 to adjust downwards, and meanwhile, in the process of adjusting the plate body 9 downwards, the plate body 9 drives the second cushion 2 to retract in the same direction as the screw rod 15 to indirectly drive the plate body 9 to adjust backwards.

As shown in fig. 1 and fig. 2, in embodiment 2, on the basis of embodiment 1, the support plate includes a plate body 9, a first contact area 10 and a second contact area 11 are disposed on a side of the plate body 9 contacting the human body, the first contact area 10 and the second contact area 11 are both protruded toward a side contacting the human body, a concave area 12 is formed between the first contact area 10 and the second contact area 11 due to the protrusion of the first contact area 10 and the second contact area 11, and preferably, a bending area is disposed on the fixing plate 6, and the bending area corresponds to the first contact area 10, the concave area 12 and the second contact area 11 on the plate body 9. Preferably, the first contact area 10 is located at a middle position of the side surface of the plate body 9, and the second contact area 11 is located at the bottom of the side surface of the plate body 9. The fixed plate 6 corresponds the position of first contact area 10 protruding for support shank upper portion, the fixed plate 6 corresponds the position of second contact area 11 protruding, is used for supporting the foot, and the fixed plate 6 corresponds the position of sunken region 12 sunken, and the support shank muscle portion, the leg support mechanism travelling comfort of design is stronger like this, can relax the shank fast, alleviates the sour expansion of shank.

As shown in fig. 1, preferably, one end of the first cushion 1 near the second cushion 2 is provided with a bump 19, one end of the second cushion 2 near the first cushion 1 is provided with a groove 20, and the bump 19 is in plug-in fit with the groove 20. The concave-convex fit that first cushion 1 is close to second cushion 2 for after second cushion 2 is retracted in first cushion 1, debris that drops from the gap between second cushion 2 and the first cushion 1 can not directly contact with slide bar 4 or sliding sleeve 3, has reduced slide bar 4 or sliding sleeve 3 and debris contact's probability.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a seat that can extend, includes first cushion (1), its characterized in that, first cushion (1) telescopic connection has second cushion (2), and one end that first cushion (1) was kept away from to second cushion (2) rotates and is connected with leg rest mechanism, and first cushion (1) bottom is equipped with telescopic machanism, and telescopic machanism's flexible end drives leg rest mechanism and second cushion (2) and stretches out simultaneously or retract simultaneously.

2. The stretchable seat according to claim 1, wherein the first cushion (1) is provided with a sliding sleeve (3), and the second cushion (2) is provided with a sliding rod (4), and the sliding rod (4) is inserted into the sliding sleeve (3).

3. An extendable seat as claimed in claim 2, wherein the end of the second seat cushion (2) remote from the slide bar (4) is hinged to the leg rest mechanism; the leg support mechanism comprises a support plate, a first rotating shaft (21) is arranged on the side face of the second cushion (2), the support plate is sleeved on the first rotating shaft (21), the two support plates are connected through a fixing plate (6), the fixing plate (6) is located on one side, in contact with a human body, of the support plate, and the support plate is in sliding connection with the telescopic mechanism.

4. An extendable seat as claimed in claim 3, wherein the support plate comprises a plate body (9), a first contact region (10) and a second contact region (11) are arranged on one side of the plate body (9) contacting the human body, the first contact region (10) and the second contact region (11) are both protruded towards one side contacting the human body, a concave region (12) is formed between the protrusions of the first contact region (10) and the second contact region (11), a sliding groove (7) is arranged on the plate body (9), a supporting rod (8) is connected to the sliding groove (7) in a sliding mode, and a telescopic mechanism is sleeved on the supporting rod (8).

5. An extendable seat as claimed in claim 4, wherein the first contact area (10) is located at a mid-position of the side of the plate (9) and the second contact area (11) is located at the bottom of the side of the plate (9).

6. An extendable seat as claimed in claim 4 or claim 5, wherein the panel (9) is provided with at least two ligating apertures (13).

7. The extendable seat as claimed in claim 6, wherein the fixed plate (6) is provided with bending regions corresponding to the first contact region (10), the recess region (12) and the second contact region (11) on the plate body (9), respectively.

8. The extendable seat as claimed in claim 5, wherein the chute (7) is an arcuate chute, the direction of the panel (9) from the first contact region (10) to the recessed region (12) being a longitudinal direction, the chute (7) being disposed on the panel (9) along said longitudinal direction.

9. The stretchable seat according to claim 8, wherein the stretching mechanism comprises a motor (14) connected to the bottom of the first seat cushion (1), a screw rod (15) is connected to the motor (14), a limit block (16) is arranged at one end of the screw rod (15), a connecting sleeve (17) is rotatably connected to the other end of the screw rod, a second rotating shaft (5) is connected to the connecting sleeve (17), a connecting plate (18) is sleeved on the second rotating shaft (5), and the connecting plate (18) is hinged to the supporting rod (8).

10. The stretchable seat according to any one of claims 1-5 and 7-9, wherein one end of the first seat cushion (1) close to the second seat cushion (2) is provided with a protruding block (19), one end of the second seat cushion (2) close to the first seat cushion (1) is provided with a groove (20), and the protruding block (19) is in plug-in fit with the groove (20).