Air bag driven seat headrest capable of being adjusted in four directions and automobile seat

Abstract

The invention provides a seat headrest driven by an air bag and adjusted in four directions and an automobile seat, and relates to the technical field of automobile seat headrests. The seat headrest driven by the air bag and adjusted in the four directions comprises a headrest guide rod, a horizontal moving assembly and a headrest shell. The headrest guide rod is arranged on the seat backrest framework; the horizontal moving assembly comprises a horizontal supporting seat, a horizontal driving air bag and a reset elastic part, the horizontal supporting seat is fixedly connected with the headrest guide rod, a horizontal guide rod is arranged in the headrest shell, the horizontal guide rod is slidably arranged on the horizontal supporting seat in a penetrating mode, and the horizontal driving air bag and the reset elastic part are arranged on the two sides of the horizontal supporting seat respectively; one end of the horizontal driving air bag abuts against the horizontal supporting seat, and the other end of the horizontal driving air bag abuts against the inner wall of the headrest shell. One end of the reset elastic piece abuts against the horizontal supporting base, and the other end of the reset elastic piece abuts against the inner wall of the headrest shell. The automobile seat comprises a seat headrest driven by an air bag and adjusted in four directions. The technical effect of conveniently adjusting the seat headrest is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive seat headrests, and more particularly, to a seat headrest and an automotive seat with airbag-driven four-way adjustment. Background Art

[0002] Currently, with the development of the times, the frequency of vehicle use is increasing. The use of vehicles is no longer limited to a simple means of transportation, and users have higher and higher requirements for vehicles, which need to provide more comfort experiences.

[0003] Automotive seat headrests are a kind of driving and riding comfort configuration supplies. More and more users need to adjust the height and front-back position of the seat headrests so that the seat headrests can fit users of different heights and body types. However, the existing automotive seat headrests are generally manual and can only be adjusted up and down, and the convenience of operation and the user experience are not friendly. Summary of the Invention

[0004] The purpose of the present invention is to provide a seat headrest and an automotive seat with airbag-driven four-way adjustment to alleviate the technical problem of inconvenient adjustment of seat headrests in the prior art.

[0005] In a first aspect, an embodiment of the present invention provides a seat headrest with airbag-driven four-way adjustment, including a headrest guide rod, a horizontal movement component, and a headrest housing;

[0006] The headrest guide rod is arranged on the seat backrest frame, and the horizontal movement component is located inside the headrest housing;

[0007] The horizontal movement component includes a horizontal support seat, a horizontal driving airbag, and a reset elastic member. The horizontal support seat is fixedly connected to the headrest guide rod. A horizontal guide rod is arranged inside the headrest housing, and the horizontal guide rod is slidably penetrated through the horizontal support seat. The horizontal driving airbag and the reset elastic member are respectively arranged on both sides of the horizontal support seat;

[0008] One end of the horizontal driving airbag abuts against the horizontal support seat, and the other end abuts against the inner wall of the headrest housing;

[0009] One end of the reset elastic member abuts against the horizontal support seat, and the other end abuts against the inner wall of the headrest housing.

[0010] In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein a connection hole for the headrest guide rod to penetrate is provided on the above-mentioned horizontal support seat, and a bolt capable of connecting with the headrest guide rod is arranged on one side of the horizontal support seat, and the bolt is perpendicular to the connection hole.

[0011] In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the above-mentioned headrest housing includes a front headrest housing and a rear headrest housing;

[0012] The front headrest housing and the rear headrest housing are connected to each other;

[0013] The horizontal guide rod is arranged on the rear headrest housing, and a fixed joint rod for adapting to the flat guide rod is arranged on the front headrest housing.

[0014] In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the above-mentioned reset elastic member adopts a tower spring, and a connection seat connected to the tower spring is arranged on the rear headrest housing.

[0015] In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein guide sliding rails are arranged on the inner walls of both the front headrest housing and the rear headrest housing, and guide sliding grooves adapted to the guide sliding rails are formed on the horizontal support seat.

[0016] In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the above-mentioned airbag-driven four-way adjustable seat headrest further includes a lifting and moving assembly, the lifting and moving assembly is arranged on the seat backrest frame, and the headrest guide rod is arranged on the lifting and moving assembly so that the lifting and moving assembly drives the headrest guide rod to move up and down.

[0017] In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the above-mentioned lifting and moving assembly includes a lifting box, a lifting support seat, a first lifting airbag and a second lifting airbag;

[0018] The lifting box is fixedly arranged on the seat backrest frame, the lifting support seat is slidably arranged in the lifting box, and the first lifting airbag and the second lifting airbag are respectively fixedly arranged on the upper and lower sides of the lifting support seat;

[0019] Both the first lifting airbag and the second lifting airbag can be in contact with the inner wall of the lifting box.

[0020] In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein an avoidance slideway is formed at the bottom of the headrest housing so that the headrest guide rod can move in the avoidance slideway.

[0021] In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the above-mentioned horizontal driving airbag is fixedly arranged on the horizontal support seat through fixing nails.

[0022] In a second aspect, an embodiment of the present invention provides an automotive seat, which includes a seat backrest frame and a seat headrest that is driven by an airbag for four-way adjustment;

[0023] A guide rod sleeve is provided on the seat backrest frame, and the headrest guide rod is slidably inserted into the guide rod sleeve.

[0024] Beneficial effects:

[0025] An embodiment of the present invention provides a seat headrest driven by an airbag for four-way adjustment, which includes a headrest guide rod, a horizontal movement component, and a headrest housing; the headrest guide rod is provided on the seat backrest frame, and the horizontal movement component is located inside the headrest housing; the horizontal movement component includes a horizontal support seat, a horizontal drive airbag, and a reset elastic member. The horizontal support seat is fixedly connected to the headrest guide rod. A horizontal guide rod is provided inside the headrest housing, and the horizontal guide rod is slidably inserted through the horizontal support seat. The horizontal drive airbag and the reset elastic member are respectively provided on both sides of the horizontal support seat; one end of the horizontal drive airbag abuts against the horizontal support seat, and the other end abuts against the inner wall of the headrest housing; one end of the reset elastic member abuts against the horizontal support seat, and the other end abuts against the inner wall of the headrest housing.

[0026] Specifically, during use, the user controls the inflation volume of the horizontal drive airbag through a control switch, so as to adjust the distance between the horizontal support seat and the front end of the headrest housing. That is, when the user controls the horizontal drive airbag to inflate, the entire headrest housing moves forward under the action of the horizontal drive airbag. When the user controls the horizontal drive airbag to deflate, the entire headrest housing moves backward under the action of the reset elastic member, so that the user can conveniently adjust the front-back adjustment of the seat headrest, and the seat headrest is adjusted front and back relative to the seat backrest frame, and the adjustment range is larger.

[0027] An embodiment of the present invention provides an automotive seat, which includes a seat backrest frame and a seat headrest that is driven by an airbag for four-way adjustment; a guide rod sleeve is provided on the seat backrest frame, and the headrest guide rod is slidably inserted into the guide rod sleeve. The automotive seat has the above advantages compared with the prior art, which will not be elaborated here. Description of the Drawings

[0028] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0029] Figure 1 It is a schematic structural diagram of the seat headrest driven by an airbag for four-way adjustment provided by an embodiment of the present invention;

[0030] Figure 2 Cross-sectional view of the seat headrest with airbag-driven four-way adjustment provided by an embodiment of the present invention;

[0031] Figure 3 Internal schematic diagram of the seat headrest with airbag-driven four-way adjustment provided by an embodiment of the present invention;

[0032] Figure 4 Front schematic view of the horizontal support seat and the headrest guide rod in the seat headrest with airbag-driven four-way adjustment provided by an embodiment of the present invention;

[0033] Figure 5 Back schematic view of the horizontal support seat and the headrest guide rod in the seat headrest with airbag-driven four-way adjustment provided by an embodiment of the present invention;

[0034] Figure 6 Schematic diagram of the horizontal support seat, the headrest guide rod and the headrest rear housing in the seat headrest with airbag-driven four-way adjustment provided by an embodiment of the present invention;

[0035] Figure 7 Schematic diagram of the headrest guide rod and the headrest rear housing in the seat headrest with airbag-driven four-way adjustment provided by an embodiment of the present invention;

[0036] Figure 8 Schematic diagram of the headrest front housing of the seat headrest with airbag-driven four-way adjustment provided by an embodiment of the present invention.

[0037] Icon:

[0038] 10 - Seat backrest skeleton; 11 - Guide rod sleeve;

[0039] 100 - Headrest guide rod;

[0040] 200 - Horizontal movement component; 210 - Horizontal support seat; 211 - Guide chute; 220 - Horizontal drive airbag; 230 - Reset elastic member;

[0041] 300 - Headrest housing; 301 - Headrest front housing; 302 - Headrest rear housing; 310 - Horizontal guide rod; 320 - Fixed joint rod; 330 - Connecting seat; 340 - Guide rail; 350 - Avoidance chute;

[0042] 400 - Lifting movement component; 410 - Lifting box; 420 - Lifting support seat; 430 - First lifting airbag; 440 - Second lifting airbag. Detailed implementation manners

[0043] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0044] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is 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 thus should not be construed as a limitation to the present invention.

[0045] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.

[0046] In the present invention, unless otherwise clearly defined and limited, the terms "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0048] See Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8As shown in the figure, this embodiment provides a seat headrest with airbag-driven four-way adjustment, which includes a headrest guide rod 100, a horizontal movement component 200, and a headrest housing 300. The headrest guide rod 100 is arranged on the seat backrest frame 10, and the horizontal movement component 200 is located inside the headrest housing 300. The horizontal movement component 200 includes a horizontal support base 210, a horizontal drive airbag 220, and a reset elastic member 230. The horizontal support base 210 is fixedly connected to the headrest guide rod 100. A horizontal guide rod 310 is arranged inside the headrest housing 300, and the horizontal guide rod 310 is slidably penetrated through the horizontal support base 210. The horizontal drive airbag 220 and the reset elastic member 230 are respectively arranged on both sides of the horizontal support base 210. One end of the horizontal drive airbag 220 abuts against the horizontal support base 210, and the other end abuts against the inner wall of the headrest housing 300. One end of the reset elastic member 230 abuts against the horizontal support base 210, and the other end abuts against the inner wall of the headrest housing 300.

[0049] Specifically, during use, the user controls the inflation amount of the horizontal drive airbag 220 through a control switch, so as to adjust the distance between the horizontal support base 210 and the front end of the headrest housing 300. That is, when the user controls the horizontal drive airbag 220 to inflate, the entire headrest housing 300 moves forward under the action of the horizontal drive airbag 220. When the user controls the horizontal drive airbag 220 to deflate, the entire headrest housing 300 moves backward under the action of the reset elastic member 230, so that the user can conveniently adjust the front-back adjustment of the seat headrest, and the seat headrest is adjusted back and forth relative to the seat backrest frame 10, with a larger adjustment range.

[0050] Among them, the horizontal support base 210 is fixedly connected to the headrest guide rod 100, so that when the user adjusts the headrest housing 300 back and forth, the headrest housing 300 moves back and forth relative to the horizontal support base 210, so that the headrest housing 300 has a larger adjustment range.

[0051] Among them, the horizontal drive airbag 220 is fixedly arranged on the horizontal support base 210 through fixing nails.

[0052] Among them, an avoidance slideway 350 is opened at the bottom of the headrest housing 300 to enable the headrest guide rod 100 to move in the avoidance slideway 350. Through the setting of the avoidance slideway 350, the movement of the headrest housing 300 will not be restricted by the headrest guide rod 100.

[0053] It should be noted that the seat headrest with airbag-driven four-way adjustment provided in this embodiment realizes the adjustment of the headrest through a pneumatic method, greatly improving the operation comfort. At the same time, the screw rod and motor structure of the traditional electric headrest are omitted, greatly reducing the working noise, and at the same time reducing the product weight and production cost.

[0054] See Figure 1 -Figure 8 As shown in the figure, in an alternative solution of this embodiment, a connection hole for the headrest guide rod 100 to penetrate is provided on the horizontal support base 210, and a bolt capable of connecting with the headrest guide rod 100 is arranged on one side of the horizontal support base 210, and the bolt is perpendicular to the connection hole.

[0055] Specifically, the horizontal support base 210 and the headrest guide rod 100 are fixedly connected by bolts.

[0056] See Figure 1 - Figure 8 As shown in the figure, in an alternative solution of this embodiment, the headrest housing 300 includes a headrest front housing 301 and a headrest rear housing 302; the headrest front housing 301 and the headrest rear housing 302 are connected to each other; a horizontal guide rod 310 is arranged on the headrest rear housing 302, and a fixed joint rod 320 for matching with the flat guide rod is arranged on the headrest front housing 301.

[0057] Among them, the reset elastic member 230 adopts a tower-shaped spring, and a connection seat 330 connected to the tower-shaped spring is arranged on the headrest rear housing 302.

[0058] Among them, guide sliding rails 340 are arranged on the inner walls of both the headrest front housing 301 and the headrest rear housing 302, and a guide sliding groove 211 adapted to the guide sliding rails 340 is provided on the horizontal support base 210.

[0059] Specifically, the horizontal support base 210 is sleeved on the horizontal guide rod 310, so that the headrest housing 300 can move relative to the horizontal support base 210, and guide sliding rails 340 are arranged on the inner walls of both the front headrest housing and the headrest rear housing 302, and a guide sliding groove 211 adapted to the guide sliding rails 340 is provided on the horizontal support base 210. Through the arrangement of the guide sliding rails 340 and the guide sliding grooves 211, the sliding stability between the horizontal support base 210 and the headrest housing 300 is improved.

[0060] See Figure 1 - Figure 8 As shown in the figure, in an alternative solution of this embodiment, the airbag-driven four-way adjustable seat headrest further includes a lifting and moving assembly 400. The lifting and moving assembly 400 is arranged on the seat backrest frame 10, and the headrest guide rod 100 is arranged on the lifting and moving assembly, so that the lifting and moving assembly drives the headrest guide rod 100 to lift and move.

[0061] Among them, the lifting and moving component 400 includes a lifting box 410, a lifting support seat 420, a first lifting airbag 430 and a second lifting airbag 440; the lifting box 410 is fixedly arranged on the seat back frame 10, the lifting support seat 420 is slidably arranged in the lifting box 410, and the first lifting airbag 430 and the second lifting airbag 440 are respectively fixedly arranged on the upper and lower sides of the lifting support seat 420; both the first lifting airbag 430 and the second lifting airbag 440 can be in contact with the inner wall of the lifting box 410.

[0062] Among them, the first lifting airbag 430 is located on the upper side of the lifting support seat 420, and the second lifting airbag 440 is located on the lower side of the lifting support seat 420.

[0063] Specifically, when the user needs to adjust the height of the seat headrest up and down, the user controls the inflation and deflation of both the first lifting airbag 430 and the second lifting airbag 440 through a control switch. When adjusting the seat headrest to move upward, the second lifting airbag 440 is inflated and the first lifting airbag 430 is deflated. After the adjustment is completed, the inflation of both the first lifting airbag 430 and the second lifting airbag 440 is maintained through structures such as valves.

[0064] In addition, when adjusting the seat headrest to move downward, the first lifting airbag 430 is inflated and the second lifting airbag 440 is deflated. After the adjustment is completed, the inflation of both the first lifting airbag 430 and the second lifting airbag 440 is maintained through structures such as valves.

[0065] It should be noted that the lifting support seat 420 is slidably arranged in the lifting box 410, and the cross-section of the lifting support seat 420 is H-shaped, so that it can run smoothly when the lifting support seat 420 slides up and down without jamming.

[0066] This embodiment provides an automobile seat, including a seat back frame 10 and a seat headrest with four-way adjustment driven by an airbag; a guide rod sleeve 11 is arranged on the seat back frame 10, and the headrest guide rod 100 is slidably inserted into the guide rod sleeve 11.

[0067] Specifically, the automobile seat provided in this embodiment has the advantages of the above-mentioned seat headrest with four-way adjustment driven by an airbag compared with the prior art, which will not be elaborated here.

[0068] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An airbag-driven four-way adjustable seat headrest, characterized in that: include: A headrest guide rod (100), a horizontal movement assembly (200) and a headrest shell (300); The headrest guide rod (100) is arranged on the seat back frame (10), and the horizontal moving assembly (200) is located inside the headrest shell (300); The horizontal moving assembly (200) comprises a horizontal support seat (210), a horizontal driving air bag (220) and a reset elastic member (230); the horizontal support seat (210) is fixedly connected to the headrest guide rod (100); a horizontal guide rod (310) is arranged in the headrest shell (300); the horizontal guide rod (310) is slidably arranged on the horizontal support seat (210); the horizontal driving air bag (220) and the reset elastic member (230) are respectively arranged on two sides of the horizontal support seat (210); One end of the horizontal driving airbag (220) abuts against the horizontal support seat (210), and the other end abuts against the inner wall of the headrest shell (300); One end of the resetting elastic member (230) abuts against the horizontal support seat (210), and the other end abuts against the inner wall of the headrest shell (300).

2. The airbag-driven four-way adjustable seat headrest according to claim 1, characterized in that: The horizontal support seat (210) is provided with a connection hole for the headrest guide rod (100) to pass through, and a bolt capable of being connected to the headrest guide rod (100) is provided on one side of the horizontal support seat (210), and the bolt is perpendicular to the connection hole.

3. The airbag-driven four-way adjustable seat headrest according to claim 1, characterized in that: The headrest shell (300) comprises a headrest front shell (301) and a headrest rear shell (302); The headrest front shell (301) and the headrest rear shell (302) are connected to each other; The horizontal guide rod (310) is arranged on the headrest rear shell (302), and the headrest front shell (301) is provided with a fixed joint rod (320) for matching with the horizontal guide rod.

4. The airbag-driven four-way adjustable seat headrest according to claim 3, characterized in that: The resetting elastic member (230) is a tower-shaped spring, and a connecting seat (330) connected to the tower-shaped spring is provided on the rear shell (302) of the headrest.

5. The airbag-driven four-way adjustable seat headrest according to claim 3, characterized in that: The inner walls of both the headrest front shell (301) and the headrest rear shell (302) are provided with guide rails (340), and the horizontal support seat (210) is provided with guide grooves (211) adapted to the guide rails (340).

6. The airbag-driven four-way adjustable seat headrest according to any one of claims 1 to 5, characterized in that: It also includes a lifting and moving assembly (400), wherein the lifting and moving assembly (400) is arranged on a seat back frame (10), and the headrest guide rod (100) is arranged on the lifting and moving assembly, so that the lifting and moving assembly drives the headrest guide rod (100) to move up and down.

7. The airbag-driven four-way adjustable seat headrest according to claim 6, characterized in that: The lifting and moving assembly (400) comprises a lifting box (410), a lifting support seat (420), a first lifting air bag (430) and a second lifting air bag (440); The lifting box (410) is fixedly arranged on the seat back frame (10), the lifting support seat (420) is slidably arranged in the lifting box (410), and the first lifting air bag (430) and the second lifting air bag (440) are respectively fixedly arranged on the upper and lower sides of the lifting support seat (420); Both the first lifting air bag (430) and the second lifting air bag (440) are capable of abutting against the inner wall of the lifting box (410).

8. The airbag-driven four-way adjustable seat headrest according to any one of claims 1 to 5, characterized in that: The bottom of the headrest shell (300) is provided with an avoidance slideway (350) so that the headrest guide rod (100) can move in the avoidance slideway (350).

9. The airbag-driven four-way adjustable seat headrest according to any one of claims 1 to 5, characterized in that: The horizontal driving air bag (220) is fixed on the horizontal supporting seat (210) by means of fixing pins.

10. A car seat, characterized in that: It comprises a seat back frame (10) and an air bag driven four-way adjustable seat headrest as claimed in any one of claims 1 to 9; A guide rod sleeve (11) is provided on the seat back frame (10), and the headrest guide rod (100) is slidably inserted in the guide rod sleeve (11).

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