Seamless four-way electric leg support for automobile seat

Abstract

The utility model is suitable for the technical field of automobile seat leg supports, and provides an automobile seat seamless four-way electric leg support, the leg support adopts a two-section type adjusting structure, an integrated coating sponge is arranged below a seat surface sleeve, the coating sponge is integrally coated by a cushion and the leg support, and the coating fabric of the leg support adopts an elastic band hooking mode. The covering surface can stretch out and draw back when the leg support is unfolded in a two-section mode, the leg support can stretch out and draw back when the leg support is unfolded in a two-section mode, the covering surface can adapt to people with more heights, the covering surface can stretch out and draw back when the leg support is unfolded in a two-section mode, the leg support is more comfortable to use, and four-direction adjustment of the leg support is considered, namely four-direction adjustment is achieved through a two-section adjusting mechanism, and seamless connection of the leg support and a cushion can be achieved. And the seat is completely attached to the legs of the passenger.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile seat leg supports, in particular to a seamless four-way electric leg support for an automobile seat. Background Art

[0002] At present, with the increasing popularity of automobiles, consumers' requirements are also getting higher and higher. In addition to price factors, people are paying more and more attention to the safety and comfort of automobiles. As one of the important parts of automobile interiors, car seats, in addition to safety requirements, their comfort and functionality have become an urgent demand of consumers for today's car seats.

[0003] The existing four-way electric leg rest for car seats is not seamlessly integrated with the external sponge and fabric wrapping, resulting in that the leg rest and the seat cushion are not seamlessly connected, and the seat cannot fully fit the legs of the passenger, causing poor comfort and experience; therefore, the utility model proposes a seamless four-way electric leg rest for a car seat to solve the above problems. Utility Model Content

[0004] The utility model provides a seamless four-direction electric leg support for a car seat, aiming to solve the problems raised by the background technology.

[0005] The utility model is realized in that a seamless four-way electric leg support for a car seat comprises a seat cover and a four-way leg support mechanism;

[0006] The four-way leg support mechanism adopts a two-stage adjustment structure;

[0007] The leg support of the seat cover is provided with a first elastic belt, a second elastic belt, a third elastic belt and a fourth elastic belt, and the first elastic belt and the second elastic belt are provided with a hook assembly;

[0008] An integrated covering sponge is provided under the seat cover, and the covering sponge is integrated with the seat cushion and the leg rest, and the covering fabric of the leg rest is connected by an elastic band, so that the covering surface can be extended and retracted when the leg rest is unfolded in two stages;

[0009] The four-way leg support mechanism includes a first leg support screw rod mechanism, a second leg support screw rod mechanism, a lap plate assembly, a four-bar linkage, an extension assembly and a support plate. The extension assembly is provided with a positioning wire for hooking with the hook assembly. The first leg support screw rod mechanism and the second leg support screw rod mechanism are both driven by a motor.

[0010] Preferably, after the motor is started, the first leg support screw rod mechanism will drive the four-bar linkage mechanism to rotate together, and when the leg support reaches the maximum expansion position of the first section, the second leg support screw rod mechanism will push the extension assembly, and when the extension assembly is pushed to the maximum position, the four-way leg support mechanism achieves the maximum expansion position.

[0011] Preferably, when the leg rest reaches the maximum expanded position of the first section, the second leg rest screw mechanism is activated to drive the first elastic band and the second elastic band at the tail of the seat cover and the third elastic band and the fourth elastic band on both sides of the tail to stretch simultaneously, and move simultaneously with the extension component.

[0012] Preferably, after the motor is started, the second leg support screw rod mechanism pulls back the extension assembly, and when the extension assembly is pulled to the initial position, the first leg support screw rod mechanism will drive the four-bar linkage mechanism to rotate together, and when the leg support reaches the initial storage position, the four-way leg support mechanism achieves the minimum storage position.

[0013] Preferably, when the second leg support rod mechanism pulls back the extension component, the first elastic band and the second elastic band at the tail of the seat cover and the third elastic band and the fourth elastic band on both sides of the tail are restored at the same time, and move simultaneously with the extension component to wrap the cover back into place.

[0014] Preferably, the arc-shaped structure at the tail of the extension component and the tail of the sponge coating slide relatively.

[0015] Preferably, reinforcing steel bars are provided on the extension assembly.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model provides a seamless four-way electric leg rest for the seat and a seamless leg rest sponge and fabric covering. The leg rest adopts a two-stage adjustment structure. An integrated covering sponge is arranged under the seat surface cover. The covering sponge is covered with the seat cushion and the leg rest as a whole. The covering fabric of the leg rest is hooked with an elastic band so that the covering surface can be retracted when the leg rest is unfolded in two stages. The secondary extension of the leg rest can adapt to people of more heights. The covering surface can be retracted when the leg rest is unfolded in two stages, making the leg rest more comfortable to use. The four-way adjustment of the leg rest is taken into consideration, that is, the four-way adjustment is achieved through the two-stage adjustment mechanism, and the leg rest cushion can be seamlessly connected, so that the seat can fully fit the passenger's legs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the seat cover structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the four-way leg support mechanism in the utility model;

[0021] Figure 4 It is a schematic diagram of the overall structure of the utility model in an expanded state;

[0022] Figure 5 It is a schematic diagram of the storage state of the overall structure of the utility model.

[0023] In the figure:

[0024] 1. seat cover; 102. first elastic band; 103. second elastic band; 104. third elastic band; 105. fourth elastic band; 106. hook assembly;

[0025] 2. Covering sponge;

[0026] 3. Four-way leg support mechanism; 301. First leg support screw rod mechanism; 302. Second leg support screw rod mechanism; 303. Lap plate assembly; 304. Four-bar linkage; 305. Extension assembly; 306. Support plate. DETAILED DESCRIPTION

[0027] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0028] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0029] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] See also Figures 1 to 5 The utility model provides a technical solution: a seamless four-way electric leg support for a car seat, comprising a seat cover 1 and a four-way leg support mechanism 3; the four-way leg support mechanism 3 adopts a two-stage adjustment structure; the leg support of the seat cover 1 is provided with a first elastic belt 102, a second elastic belt 103, a third elastic belt 104 and a fourth elastic belt 105, and the first elastic belt 102 and the second elastic belt 103 are provided with a hook assembly 106; an integrated covering sponge 2 is provided under the seat cover 1, and the covering sponge 2 adopts a seat cushion It is integrally covered with the leg support, and the covering fabric of the leg support is connected by an elastic band so that the covering surface can be retracted and retracted when the leg support is unfolded in two stages; the four-way leg support mechanism 3 includes a first leg support screw rod mechanism 301, a second leg support screw rod mechanism 302, a lap plate assembly 303, a four-link mechanism 304, an extension assembly 305 and a support plate 306, and a positioning wire is provided on the extension assembly 305 for connecting with the hook assembly 106, and the first leg support screw rod mechanism 301 and the second leg support screw rod mechanism 302 are both driven by a motor.

[0033] In this embodiment, a seamless four-way electric leg rest and seamless leg rest sponge and fabric covering are provided. The leg rest adopts a two-stage adjustment structure. The leg rest can be extended twice to fit more people of different heights. The covering method adopts the integrated covering of the seat cushion and the leg rest. The covering fabric of the leg rest adopts an elastic band hooking method, so that the covering surface can be retracted when the leg rest is unfolded in two stages, making the leg rest more comfortable to use. The four-way adjustment of the leg rest is taken into consideration, that is, the four-way adjustment is achieved through the two-stage adjustment mechanism, and the leg rest cushion can be seamlessly connected, so that the seat can completely fit the passenger's legs.

[0034] The extension component 305 is provided with a positioning wire for hooking with the hook component 106 on the seat cover 1; wherein the first leg support screw rod mechanism 301 comprises a motor and a screw rod, the output end of the motor is fixedly connected to the screw rod, and the screw rod is connected to the connecting rod in the four-bar linkage mechanism 304,

[0035] Working method of unfolding the leg support: when the motor is working, the first leg support screw rod mechanism 301 will drive the four-bar linkage mechanism 304 to rotate together, and when the leg support reaches the maximum unfolding position of the first section, the second leg support screw rod mechanism 302 will push the extension component 305, and when the extension component 305 is pushed to the maximum position, the leg support reaches the maximum unfolding position of the second section, and the four-way leg support mechanism 3 achieves the maximum unfolding position; wherein after the leg support reaches the maximum unfolding position of the first section, the second leg support screw rod mechanism 302 starts to work, and at this time, the first elastic belt 102 and the second elastic belt 103 at the tail of the seat cover 1 and the third elastic belt 104 and the fourth elastic belt 105 on both sides of the tail are stretched at the same time, and move at the same time as the extension component 305, and the surface of the cover is uniform and flat;

[0036] The working method of leg support storage: when the motor is working, the second leg support screw rod mechanism 302 will pull back the extension component 305. When the extension component 305 is pulled to the initial position, the first leg support screw rod mechanism 301 will drive the four-bar mechanism 304 to rotate together. At this time, the leg support returns to the initial storage position, and the four-way leg support mechanism 3 achieves the minimum storage position; and when the second leg support screw rod mechanism 302 pulls back the extension component 305, the first elastic band 102, the second elastic band 103 at the tail of the seat cover 1 and the third elastic band 104, the fourth elastic band 105 on both sides of the tail are restored at the same time, and move at the same time as the extension component 305, so that the cover is wrapped back and the surface of the cover is even and flat.

[0037] Furthermore, the arc-shaped structure at the tail of the extension component 305 and the tail of the covering sponge 2 are relatively slidable.

[0038] In this embodiment, the arc-shaped structure at the tail of the extension component 305 and the tail of the covering sponge 2 slide relative to each other, which can ensure that the sponge and the fabric are covered as one piece without affecting the two-stage unfolding of the leg rest.

[0039] Furthermore, the extension component 305 is provided with reinforcing steel bars.

[0040] In this embodiment, the strong steel bars can ensure the strength of the extension component 305 and prevent the extension component 305 from being damaged due to the pressure of the human body weight.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A seamless four-way electric leg support for a car seat, characterized by: It comprises a seat cover (1) and a four-way leg support mechanism (3); The four-way leg support mechanism (3) adopts a two-stage adjustment structure; The leg support of the seat cover (1) is provided with a first elastic belt (102), a second elastic belt (103), a third elastic belt (104) and a fourth elastic belt (105), and the first elastic belt (102) and the second elastic belt (103) are provided with a hook assembly (106); An integrated covering sponge (2) is provided under the seat cover (1), and the covering sponge (2) is covered with the seat cushion and the leg support in one piece, and the covering fabric of the leg support is connected by an elastic band, so that the covering surface can be extended and retracted when the leg support is unfolded in two stages; The four-way leg support mechanism (3) comprises a first leg support screw rod mechanism (301), a second leg support screw rod mechanism (302), a lap plate assembly (303), a four-link mechanism (304), an extension assembly (305) and a support plate (306); the extension assembly (305) is provided with a positioning wire for hooking with the hook assembly (106); the first leg support screw rod mechanism (301) and the second leg support screw rod mechanism (302) are both driven by a motor.

2. The seamless four-way electric leg support for a car seat according to claim 1, characterized in that: After the motor is started, the first leg support screw rod mechanism (301) will drive the four-bar linkage (304) to rotate together. When the leg support reaches the maximum expansion position of the first section, the second leg support screw rod mechanism (302) will push the extension component (305). When the extension component (305) is pushed to the maximum position, the four-way leg support mechanism (3) achieves the maximum expansion position.

3. The seamless four-way electric leg support for a car seat according to claim 2, characterized in that: When the leg support reaches the maximum unfolded position of the first section, the second leg support screw rod mechanism (302) is activated to drive the first elastic band (102) and the second elastic band (103) at the tail of the seat cover (1) and the third elastic band (104) and the fourth elastic band (105) on both sides of the tail to stretch simultaneously, and move simultaneously with the extension component (305).

4. The seamless four-way electric leg support for a car seat according to claim 1, characterized in that: After the motor is started, the second leg support screw rod mechanism (302) pulls back the extension component (305). When the extension component (305) is pulled to the initial position, the first leg support screw rod mechanism (301) drives the four-bar linkage (304) to rotate together. When the leg support reaches the initial storage position, the four-way leg support mechanism (3) achieves the minimum storage position.

5. The seamless four-way electric leg support for a car seat according to claim 4, characterized in that: When the second leg support rod mechanism (302) pulls back the extension component (305), the first elastic band (102) and the second elastic band (103) at the tail of the seat cover (1) and the third elastic band (104) and the fourth elastic band (105) on both sides of the tail are restored at the same time, and move simultaneously with the extension component (305) to wrap the cover back to its original position.

6. The seamless four-way electric leg support for a car seat according to claim 1, characterized in that: The arc-shaped structure at the tail of the extension component (305) and the tail of the covering sponge (2) slide relative to each other.

7. The seamless four-way electric leg support for a car seat according to claim 6, characterized in that: The extension component (305) is provided with reinforcing steel bars.

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