CN212047038U

CN212047038U - Vehicle seat with adjustable headrest

Info

Publication number: CN212047038U
Application number: CN202020378640.7U
Authority: CN
Inventors: 黄小威; 查昕; 何延琪; 杨涛; 冯涛波; 刘聚江; 郑斌
Original assignee: Suzhou Industrial Park Arsale Car Components And Parts Co ltd
Current assignee: Suzhou Industrial Park Arsale Car Components And Parts Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-01
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to a technical field of seat specifically is a vehicle seat with adjustable headrest, it includes the seat support and slides the headrest support of being connected with the seat support, the last first connecting plate of fixedly connected with and the second connecting plate of seat support, be connected with the regulation limiting plate between first connecting plate and the second connecting plate, the joint groove has been seted up on the regulation limiting plate, the headrest support includes connecting substrate, the last spacing card strip that is connected with of connecting substrate, spacing card strip includes the kink, the limiting plate setting is adjusted to the kink orientation, and extend to in the joint groove. The utility model discloses at the in-process that the seat headrest slided, the kink in the spacing card strip can cooperate with the joint groove looks joint in adjusting the limiting plate, realizes the spacing joint to the seat headrest, and the department of buckling shape of spacing card strip is comparatively stable, can extend to the joint inslot all the time to can guarantee the locate function of headrest, make the headrest can be normal after long-term the use adjust and fix a position.

Description

Vehicle seat with adjustable headrest

Technical Field

The utility model belongs to the technical field of vehicle seat's technique and specifically relates to a vehicle seat with adjustable headrest is related to.

Background

The seat that uses on the present most vehicle includes the headrest that seat back and seat back top set up, and in order to improve the comfort level in the people use, the headrest on the seat can be adjusted to the user can be more comfortable when using.

In the prior art, a chinese utility model patent with publication number CN109624811A specifically discloses a seat with a stepless adjusting headrest, which comprises a seat support, a headrest support frame, a guide rail, a slider, and a headrest body; the headrest support frame is fixedly arranged at the upper part of the seat support frame, and the guide rail is fixedly arranged on the headrest support frame; the headrest body is fixedly connected with the sliding block, and the sliding block is in longitudinal sliding fit with the guide rail; and the sliding block is provided with an elastically telescopic abutting block, the abutting block is in transverse abutting fit with the guide rail under the action of elastic force, and the abutting block is made of elastic materials or is provided with elastic force through an elastic piece.

The headrest among the above-mentioned technical scheme can adjust from top to bottom, and after adjusting suitable position, the top piece is supported the piece and is supported the looks butt with the guide rail under the effect of the elasticity, realizes the location to the headrest. Although above-mentioned technical scheme can realize the regulation and the location to the headrest, but the elasticity that supports the elasticity of piece and the elasticity of elastic component need realize accurate control, if elasticity is too big then can influence the smooth and easy degree that the headrest was adjusted, if elasticity is too little, the unable stable realization location joint of headrest appears not hard up easily phenomenon. And after the headrest is used for a long time, the abutting block can be abraded, and the elastic force of the elastic piece can also be loosened, so that the headrest cannot be positioned, and the use of the headrest can be directly influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a vehicle seat with adjustable headrest, this seat can guarantee the locate function of headrest, makes adjusting and location that the headrest can be normal.

The above object of the present invention is achieved by the following technical solutions:

a vehicle seat with an adjustable headrest comprises a seat support and a headrest support connected with the seat support in a sliding manner, wherein a first connecting plate and a second connecting plate are fixedly connected to the seat support, an adjusting limiting plate is connected between the first connecting plate and the second connecting plate, a plurality of mutually parallel clamping grooves are formed in the adjusting limiting plate, the headrest support comprises a connecting base plate, and a limiting clamping strip is connected to the connecting base plate;

the limiting clamping strip comprises a bending part, the bending part is arranged towards the adjusting limiting plate and extends into the clamping groove.

Through adopting above-mentioned technical scheme, at the in-process that the seat headrest slided, kink in the spacing card strip can cooperate with the joint groove looks joint in adjusting the limiting plate, realize the spacing joint to the seat headrest, the department of buckling shape of spacing card strip is comparatively stable, can extend to the joint inslot all the time, and under the condition of long-term use, even certain wearing and tearing appear in spacing card strip, can not influence the joint cooperation in kink and joint groove yet, thereby can guarantee the locate function of headrest, make the headrest can be normal after long-term use adjust and fix a position.

The present invention may be further configured in a preferred embodiment as: the bending part is arranged in a V shape.

Through adopting above-mentioned technical scheme, the setting of "V" font can increase the joint area in kink and joint groove, makes the kink extend to the position in the joint inslot more to can make the joint locate function of headrest more stable, the not hard up condition of headrest is difficult to appear.

The present invention may be further configured in a preferred embodiment as: the bending part is arranged into a plurality of V-shaped structures which are connected in sequence.

Through adopting above-mentioned technical scheme, a plurality of "V" font structures that meet in proper order can increase spacing card strip and adjust the joint area of limiting plate with a plurality of joint groove looks joint cooperation simultaneously to improve the joint stability of adjusting limiting plate and spacing card strip, guarantee stable joint between headrest and the seat. And the stability of kink can be increased in the setting of a plurality of "V" font structures, the condition of deformation can not take place, guarantees the stability of spacing card strip and regulation limiting plate joint.

The present invention may be further configured in a preferred embodiment as: the one end of kink is provided with connecting portion, and the other end is provided with the extension, connecting portion and connection base plate laminate mutually, first logical groove and second logical groove have been seted up on the connection base plate, the one end of kink runs through first logical groove, and the other end runs through the second and leads to the groove, the extension extends to in the second leads to the groove.

Through adopting above-mentioned technical scheme, spacing card strip can be maximum cooperate with connection substrate, can not extend more position to one side that connection substrate deviates from the regulation limiting plate to can not influence the comfort level in the headrest use. The extension part can make the limiting clamping strip deform under the action of pressure, so that the adjustment of a user is facilitated, and the adjustment is easier.

The present invention may be further configured in a preferred embodiment as: one end of the extending part, which is far away from the connecting part, bends towards one side of the adjusting limit plate.

Through adopting above-mentioned technical scheme, the end of extension can not influence the use of headrest, prevents to receive the effect of pressure at the headrest and punctures the sponge in the headrest down, guarantees that the end of extension deviates from the user, can make the headrest more safe in the in-process of using.

The present invention may be further configured in a preferred embodiment as: the bending parts of the bending parts and the extending parts are both provided with arc-shaped transition curved surfaces.

Through adopting above-mentioned technical scheme, arcuation transition curved surface sets up and can enough play certain guide effect, makes spacing card strip more light at the in-process that removes, also can guarantee that the user is more comfortable at the in-process that uses.

The present invention may be further configured in a preferred embodiment as: the limiting clamping strip is of a steel wire structure with a round section.

Through adopting above-mentioned technical scheme, cylindric setting can reduce spacing card strip and the friction area who adjusts the limiting plate, reduces the wearing and tearing of spacing card strip, and the steel wire has certain stability simultaneously, and at the in-process that uses, the difficult emergence deformation of shape of spacing card strip guarantees the spacing joint effect of headrest and seat.

The present invention may be further configured in a preferred embodiment as: the connecting part is encircled to form a ring shape and is connected with the connecting substrate through a fastening screw.

By adopting the technical scheme: when the limiting clamping strip needs to be replaced or adjusted, the limiting clamping strip can be detached and connected by directly adjusting the fastening screw, replacement and adjustment are convenient, and the cost is low.

The present invention may be further configured in a preferred embodiment as: a guide rod is arranged between the first connecting plate and the second connecting plate, a guide sleeve is fixedly connected to the connecting base plate, and the guide sleeve is matched with the guide rod in a sliding mode.

Through adopting above-mentioned technical scheme, when the headrest slided, guide pin bushing and guide arm can sliding fit, improve the stability of headrest in accommodation process, and the guide arm can make the more smooth and easy of sliding of headrest with the setting up of guide pin bushing simultaneously, can not take place the dead phenomenon of card.

The present invention may be further configured in a preferred embodiment as: two limiting lantern rings which are matched with the guide rod in a clamping way are arranged in the guide sleeve; and an extension clamping groove for the guide sleeve to move is formed in the second connecting plate.

Through adopting above-mentioned technical scheme, guide pin bushing and guide arm complex stability can be improved to two spacing lantern rings to make headrest and seat be connected more stable, guarantee the smooth use and the regulation of headrest. The moving range of the headrest can be increased by the arrangement of the extension clamping groove, so that the upper span and the lower span of the headrest can be adjusted to be larger, and the headrest can be conveniently used by different people.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the V-shaped limiting clamping strip can be matched with a clamping groove in the adjusting limiting plate in a clamping manner, so that the limiting clamping of the seat headrest is realized, the shape of the bending part of the limiting clamping strip is stable, the limiting clamping strip can extend into the clamping groove all the time, and under the condition of long-term use, even if the limiting clamping strip is worn to a certain extent, the clamping matching of the bending part and the clamping groove cannot be influenced, so that the positioning function of the headrest can be ensured, and the headrest can be normally adjusted and positioned after long-term use;

2. the arrangement of the arc-shaped transition curved surface at the bending part of the limiting clamping strip can play a certain guiding role, so that the limiting clamping strip is relatively gentle in the moving process, the adjustment is relatively easy, and the use comfort of a user can be ensured;

3. when the headrest slides, the guide sleeve and the guide rod can be in sliding fit, the stability of the headrest in the adjusting process is improved, meanwhile, the guide rod and the guide sleeve are arranged to enable the headrest to slide more smoothly, and the phenomenon of blocking cannot occur.

Drawings

FIG. 1 is a schematic view of the exterior of the seat;

FIG. 2 is an exploded schematic view of the interior structure of the seat;

FIG. 3 is a detailed structural schematic diagram of the internal structure of the seat;

FIG. 4 is an enlarged view of the structure of portion A in FIG. 2;

fig. 5 is a schematic view showing the specific structure of the adjustment limiting plate and the limiting clamping strip.

In the figure, 1, a seat body; 2. a headrest body; 3. a seat support; 4. a headrest bracket; 41. connecting the substrates; 42. a support bar; 5. a first connecting plate; 6. a second connecting plate; 7. a guide bar; 8. a guide sleeve; 81. a limiting lantern ring; 9. an extension card slot; 10. adjusting the limiting plate; 101. a clamping groove; 11. limiting clamping strips; 111. a connecting portion; 112. a bending section; 113. an extension portion; 12. a first through groove; 13. a second through groove; 14. and (5) fastening the screw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a vehicle seat with adjustable headrest, including seat body 1 and headrest body 2, seat body 1 and headrest body 2 are split type structure, and headrest body 2 can slide on seat body 1's vertical direction.

Referring to fig. 2, the seat body 1 has an internal structure of a seat support 3, the headrest body 2 has an internal structure of a headrest support 4, the headrest support 4 includes a connection substrate 41 and a support rod 42 fixedly connected with the connection substrate 41, the seat support 3 is fixedly connected with a first connection plate 5 and a second connection plate 6, a guide rod 7 is fixedly connected between the first connection plate 5 and the second connection plate 6, the middle part of the guide rod 7 has a cylindrical structure, two ends of the guide rod 7 are arranged in a flat prism shape, the connection area can be increased when the connection is fixed, and the connection firmness is ensured.

Referring to fig. 3, fixedly connected with guide pin bushing 8 on connection substrate 41, guide pin bushing 8 can adopt the plastics material, can alleviate the weight of headrest, make the convenience more of use of headrest, guide pin bushing 8 and guide arm 7 cooperation of sliding, guide arm 7 all is provided with two sets of mutually supporting with guide pin bushing 8, be provided with two in the guide pin bushing 8 and connect complex spacing lantern rings 81 with guide arm 7 looks joint, set up the extension draw-in groove 9 that supplies guide pin bushing 8 to remove on the second connecting plate 6, guide pin bushing 8 can make a round trip to slide on guide arm 7, guarantee the smooth regulation of headrest

Referring to fig. 4, be connected with between first connecting plate 5 and the second connecting plate 6 and adjust limiting plate 10, adjust limiting plate 10 and be the steel sheet, the material can adopt Q235, and Q235 has stronger hardness, can stand wear and tear, the deformation of preapring for an unfavorable turn of events. A plurality of clamping grooves 101 which are parallel to each other are formed in the adjusting limiting plate 10, and a limiting clamping strip 11 is detachably connected to the connecting substrate 41.

Spacing calorie of strip 11 includes connecting portion 111, kink 112 and extension 113, spacing calorie of strip 11 sets up to be the circular shape steel wire structure for the cross-section, spacing calorie of strip 11 can adopt the steel of 65Mn type, this kind of material strength ratio is higher, certain pliability and plasticity have, connecting portion 111 laminates mutually with connecting substrate 41, connecting portion 111 encloses to close to form annularly, connecting portion 111 links to each other with connecting substrate 41 through fastening screw 14, connecting portion 111 cup joints the screw thread part at fastening screw 14, and fastening screw 14's end and connecting portion 111 looks butt, when needing to be changed or adjusting spacing calorie of strip 11, fastening screw 14 can directly be adjusted, convenient and fast and save maintenance cost.

Referring to fig. 4, the connection substrate 41 is provided with a first through groove 12 and a second through groove 13, one end of the bending portion 112 penetrates through the first through groove 12, the other end of the bending portion penetrates through the second through groove 13, and the extending portion 113 extends into the second through groove 13, so that the end of the extending portion 113 is in an empty state, the limiting clamping strip 11 has a certain deformation space, and the headrest can be conveniently adjusted. One end of the extending portion 113, which is far away from the connecting portion 111, is bent towards one side of the adjusting limiting plate 10, and the bent portions of the bent portion 112 and the extending portion 113 are both provided with arc-shaped transition curved surfaces.

Referring to fig. 5, kink 112 is "V" font setting, also can set up to a plurality of "V" fonts (or other can joint shapes) that connect gradually in succession, distance between adjacent "V" font structure equals with the distance between the adjacent joint groove 101, the setting of a plurality of "V" font structures can correspond and a plurality of joint groove 101 looks joint cooperation, improve the stability of spacing card strip 11 and regulation limiting plate 10 joint, kink 112 sets up towards regulation limiting plate 10, and extend to in the joint groove 101, in-process that the seat headrest slided, kink 112 in the spacing card strip 11 can extend to in the joint groove 101, realize the spacing joint to the seat headrest.

The fixed connections in the above embodiments are all rivets.

The implementation principle of the embodiment is as follows: in the process that the seat headrest slides, promote headrest body 2, guide pin bushing 8 in the headrest can slide on guide arm 7, and kink 112 in the spacing card strip 11 can cooperate with the joint groove 101 looks joint in adjusting limiting plate 10 simultaneously, realizes the spacing joint to the seat headrest, and the department of buckling shape of spacing card strip 11 is comparatively stable, can extend to in the joint groove 101 all the time.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a vehicle seat with adjustable headrest, includes seat support (3) and headrest support (4) of being connected with seat support (3) slide in vertical direction, its characterized in that: the headrest support is characterized in that a first connecting plate (5) and a second connecting plate (6) are fixedly connected to the seat support (3), an adjusting limiting plate (10) is connected between the first connecting plate (5) and the second connecting plate (6), a plurality of mutually parallel clamping grooves (101) are formed in the adjusting limiting plate (10), the headrest support (4) comprises a connecting base plate (41), and a limiting clamping strip (11) is connected to the connecting base plate (41);

spacing card strip (11) are including kink (112), kink (112) are towards adjusting limiting plate (10) setting, and extend to in joint groove (101).

2. The vehicle seat with an adjustable headrest of claim 1, wherein: the bending part (112) is arranged in a V shape.

3. The vehicle seat with an adjustable headrest of claim 1, wherein: the bending part (112) is arranged into a plurality of V-shaped structures which are connected in sequence.

4. The vehicle seat with an adjustable headrest of claim 1, wherein: one end of the bending part (112) is provided with a connecting part (111), the other end of the bending part is provided with an extending part (113), the connecting part (111) is attached to a connecting substrate (41), a first through groove (12) and a second through groove (13) are formed in the connecting substrate (41), one end of the bending part (112) penetrates through the first through groove (12), the other end of the bending part penetrates through the second through groove (13), and the extending part (113) extends into the second through groove (13).

5. The vehicle seat with an adjustable headrest of claim 4, wherein: one end of the extending part (113) far away from the connecting part (111) bends towards one side of the adjusting limit plate (10).

6. The vehicle seat with an adjustable headrest of claim 5, wherein: the bending parts of the bending part (112) and the extending part (113) are both provided with arc transition curved surfaces.

7. The vehicle seat with an adjustable headrest of claim 4, wherein: the limiting clamping strips (11) are of steel wire structures with round sections.

8. The vehicle seat with an adjustable headrest of claim 4, wherein: the end of the connecting part (111) is encircled to form a ring, and the connecting part (111) is connected with the connecting substrate (41) through a fastening screw (14).

9. The vehicle seat with an adjustable headrest of claim 1, wherein: a guide rod (7) is arranged between the first connecting plate (5) and the second connecting plate (6), a guide sleeve (8) is fixedly connected to the connecting base plate (41), and the guide sleeve (8) is in sliding fit with the guide rod (7).

10. The vehicle seat with an adjustable headrest of claim 9, wherein: two limiting lantern rings (81) which are in clamping fit with the guide rod (7) are arranged in the guide sleeve (8); and an extension clamping groove (9) for the guide sleeve (8) to move is formed in the second connecting plate (6).