CN212604712U - Seat armrest and automobile seat - Google Patents

Abstract

The utility model relates to a seat armrest and car seat, seat armrest include handrail body, hand wheel and screw rod, the lower part of handrail body is provided with the recess and holds the hand wheel still includes the bush, the front end of hand wheel with the combination of bush joint, the front end of hand wheel passes through the bush supports on the handrail body, the front end of screw rod passes in proper order hand wheel and bush are rotatory the hand wheel drive the screw rod is rotatory, it supports to be provided with the damping ring in the handrail body the screw rod. According to the utility model provides a technical scheme has improved the operation travelling comfort that the hand wheel was adjusted, has reduced the noise when the hand wheel was adjusted under compromise the pleasing to the eye prerequisite of handrail.

Description

Seat armrest and automobile seat

Technical Field

The utility model belongs to the technical field of car seat, concretely relates to armrest still relates to a car seat.

Background

In order to meet the requirements of passengers, the armrests of the automobile are usually designed into a rotary lifting structure, adjusting hand wheels are arranged on the lower portions of the armrests, and the height of the armrests can be adjusted by rotating the hand wheels. With the development of economy and the progress of automobile manufacturing, the requirements of customers on the operation comfort and the noise of the commercial vehicle seat armrests are higher and higher, and at present, the commercial vehicle seat armrests have two common hand wheel arrangement structures, namely a hand wheel built-in type armrest and a hand wheel fully exposed type armrest.

In the hand wheel built-in structure, a pushing spring is arranged for preventing the hand wheel from loosening, the spring is pressed by the rolling surface of the hand wheel after the spring is assembled, the spring is easy to fly out, and the assembly process requirement is high; in addition, the problems of abnormal spring sound, large operating force and the like exist when the hand wheel rolls.

The hand wheel is fixed by plastic parts in the structure with the hand wheel exposed completely, so that the problems of abnormal sound of a spring and the like are solved, but the attractiveness of the handrail is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the whole or partial problems, the utility model aims to provide a seat armrest has improved the operation travelling comfort that the hand wheel was adjusted, noise when having reduced the hand wheel and adjusting to the aesthetic property of handrail has been guaranteed.

The utility model also aims to provide a car seat has installed above-mentioned armrest.

The utility model provides an aspect provides a chair armrest, including handrail body, hand wheel and screw rod, the lower part of handrail body is provided with the recess and holds the hand wheel still includes the bush, the front end of hand wheel with the combination of bush joint, the front end of hand wheel passes through the bush supports on the handrail body, the front end of screw rod passes in proper order hand wheel and bush are rotatory the hand wheel drive the screw rod is rotatory, it supports to be provided with the damping ring in the handrail body the screw rod.

Optionally, the bushing is of a T-shaped structure, an axial first center hole is formed in the middle of the bushing, a first clamping hole is formed in the rear end of the first center hole, and the first clamping hole is connected with the screw in a clamping mode.

Optionally, the middle part of hand wheel is provided with axial second centre bore, the rear end of second centre bore is provided with second joint hole, through second joint hole with the screw rod joint combination.

Optionally, the front end of hand wheel is provided with the end cover, the end cover be located between hand wheel and the bush and respectively with hand wheel, bush joint combination rotate the hand wheel drives simultaneously end cover, bush are rotatory.

Optionally, be provided with the joint face on the screw rod, through the joint face with hand wheel, bush joint, the screw rod is in when rotatory but axial displacement in hand wheel, the bush.

Optionally, a limit groove is formed in the handrail body for installing the damping ring, a through hole is formed below the limit groove, the damping ring enters the limit groove from the through hole outside the handrail body, and a plug is arranged at the through hole for sealing.

Optionally, a nut is disposed in the armrest body, the rear end of the screw is connected to the nut, and the nut does not rotate when the screw rotates.

Optionally, a stop ring is arranged at the rear end of the screw rod, a limit baffle is correspondingly arranged in the handrail body, and the forward movement distance of the screw rod is limited by the stop ring and the limit baffle.

Optionally, the rear end of the armrest body is provided with a fixing portion, the fixing portion includes a connecting plate, a shaft and a swing rod, the armrest body is connected and combined with the seat through the connecting plate, a first end of the shaft is fixedly connected with the connecting plate, a second end of the shaft extends into the armrest body and is fixedly connected with the swing rod, the axial direction of the swing rod is perpendicular to the axial direction of the shaft, and the rear end of the screw rod abuts against the swing rod.

The utility model discloses another aspect provides a car seat, including above armrest.

According to the above technical scheme, the utility model provides a seat armrest has following advantage:

the utility model discloses a concealed structure in hand wheel has set up the bush for the hand wheel and has prevented that the hand wheel from rocking to for the screw rod set up the stability of shock attenuation ring when rotatory in order to improve, both guaranteed the aesthetic property of handrail, improved the travelling comfort that the handrail was adjusted again, noise when having reduced the hand wheel and adjusting.

The utility model discloses a cooperation structural design between each part is reasonable, and the assembly is simple, and the packaging efficiency is high, the stable performance, and the fault rate is low, long service life.

The utility model discloses a dynamics is adjusted to the hand wheel is little, and the flexibility ratio is high, has promoted passenger's use and has experienced.

Drawings

FIG. 1 is a front view of a commercial vehicle armrest in an embodiment of the present invention;

FIG. 2 is a perspective view of a commercial vehicle armrest in an embodiment of the present invention;

FIG. 3 is a top view of a commercial vehicle armrest in an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is a top view of a commercial vehicle armrest in an embodiment of the present invention (with the upper shell removed);

FIG. 6 is an exploded view of a commercial vehicle armrest in an embodiment of the present invention;

fig. 7 is a perspective view of a bushing of a seat armrest in an embodiment of the present invention;

fig. 8 is a perspective view of a bushing of a seat armrest in an embodiment of the present invention;

fig. 9 is a perspective view of an end cap of an armrest for a seat in an embodiment of the present invention;

fig. 10 is a perspective view of an end cap of an armrest for a seat in an embodiment of the invention;

fig. 11 is a perspective view of a hand wheel of an armrest in an embodiment of the present invention;

fig. 12 is a perspective view of a hand wheel of an armrest in an embodiment of the present invention.

Description of reference numerals: 1. a handrail body; 1-1, upper shell; 1-2, a lower shell; 1-3, a groove; 2. a hand wheel; 2-1, a second central hole; 2-2, a second card slot; 2-3, a second clamping hole; 3. a connecting plate; 4. a bushing; 4-1, a first central hole; 4-2, a first card slot; 4-3, a first clamping hole; 5. an end cap; 5-1, a third central hole; 5-2, a first bump; 5-3, a second bump; 6. a screw; 7. a shock-absorbing ring; 8. a nut; 9. a swing rod; 10. a shaft; 11. a baffle ring; 12. a plug; 13. and (4) screws.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 the utility model discloses an embodiment 1, this embodiment discloses a seat armrest, including handrail body 1, hand wheel 2 and screw rod 6, the lower part of handrail body 1 is provided with recess 1-3 and holds hand wheel 2, still includes bush 4, and the front end of hand wheel 2 and the combination of bush 4 joint, the front end of hand wheel 2 passes through bush 4 and supports on handrail body 1, and the front end of screw rod 6 passes hand wheel 2 and bush 4 in proper order, and rotatory hand wheel 2 drive screw rod 6 is rotatory, is provided with damping ring 7 support screw rod 6 in handrail body 1.

As shown in fig. 4, the inside of the armrest body 1 is a hollow structure, and the screw 6 is disposed inside the armrest body 1. The armrest body 1 comprises an upper shell 1-1 and a lower shell 1-2, and the upper shell 1-1 and the lower shell 1-2 can be connected and combined through a screw 13. The lower part of the lower shell 1-2 is provided with a groove 1-3 matched with the hand wheel 2, the hand wheel 2 is arranged in the groove 1-3, the periphery of the hand wheel does not protrude out of the lower shell 1-2, and the hand wheel can still be stirred by hand, so that the requirement of stirring the hand wheel 2 to adjust the height of the handrail is met. The front side wall and the rear side wall of the groove 1-3 are respectively provided with a through hole for penetrating the screw rod 6, and the through holes on the front side wall are also used for installing the lining 4.

Through setting up bush 4, hand wheel 2 can not take place to rock among the lower part recess 1-3 of handrail body 1, and the rotational stability is high, and the regulation dynamics is little, and the flexibility ratio is high, stirs and experiences better. The damping ring 7 arranged in the handrail body 1 radially limits the screw 6, so that the stability of the screw 6 during rotation can be improved, and the noise generated during rotation of the screw 6 is effectively reduced. The material of the damping ring 7 is preferably foam, and the foam has elasticity and can play a good damping role. Nylon can also be adopted, and the rubber has the characteristics of wear resistance, long service life and low noise.

As shown in fig. 7 and 8, the bushing 4 is a T-shaped structure, the middle of the bushing 4 is provided with an axial first central hole 4-1, the rear end of the first central hole 4-1 is provided with a first clamping hole 4-3, and the inner side of the first central hole is provided with a clamping surface, for example, a part of the circumferential surface of the first clamping hole 4-3 is set to be a plane, or the first clamping hole 4-3 is designed to be an elliptical hole or a square hole, it should be noted that as long as the clamping surface can be clamped with the screw 6, the shape of the clamping surface is not further limited; the clamping surface is clamped with the screw 6, and the screw 6 can axially move and cannot rotate in the first clamping hole 4-3.

The edge of the bushing 4 is provided with a first clamping groove 4-2, the first clamping groove 4-2 can be used for being clamped and combined with the hand wheel 2, and the front end of the hand wheel 2 needs to be correspondingly provided with a convex block. Because the screw rod 6 can be worn to establish in the inside of hand wheel 2 and bush 4, the hand wheel 2 can not drop from the recess of inferior valve 1-2, so the joint of hand wheel 2 and bush 4 only need satisfy can synchronous revolution.

As shown in fig. 11 and 12, an axial second center hole 2-1 is disposed in the middle of the hand wheel 2, a second engaging hole 2-3 is disposed at the rear end of the second center hole 2-1, and an engaging surface is disposed inside the second center hole, for example, a part of the circumferential surface of the second engaging hole 2-3 is set to be a plane, or the second center hole 2-1 is designed to be an elliptical hole or a square hole, it should be noted that, as long as the engaging surface can engage with the screw rod 6, the shape of the engaging surface is not further limited, the engaging surface and the screw rod 6 are engaged, and the screw rod 6 can move axially in the second engaging hole 2-3 and cannot rotate.

The peripheral surface of the hand wheel 2 is provided with a convex-concave structure, so that force can be conveniently applied to the hand wheel 2 when the hand wheel 2 is stirred.

As shown in fig. 4 and 6, the screw rod 6 is provided with a clamping surface, for example, a part of the circumferential surface of the screw rod 6 is set to be a plane, or the front half section of the screw rod 6 is designed to be an oval or square, it should be noted that the clamping surface is only required to be capable of clamping with the bushing 4 and the hand wheel 2, the shape of the clamping surface is not further limited, and the screw rod 6 can axially move in the hand wheel 2 and the bushing 4 when rotating by clamping with the hand wheel 2 and the bushing 4 through the clamping surface. The rear half section of the screw rod 6 is provided with threads, and the front half section is not provided with threads.

When the bushing 4 and the hand wheel 2 are assembled in the armrest body 1, the bushing 4 is installed on the lower shell 1-2, for example, the first clamping groove 4-2 faces downward, the hand wheel 2 is installed in the groove 1-3, the first clamping groove 4-2 is combined with a protruding block at the front end of the hand wheel 2, and then the screw rod 6 can be inserted. As shown in fig. 6, the rear end of the lower case 1-2 is provided with an opening and a cover, and the screw 6 can enter the lower case 1-2 from the opening of the rear end.

As shown in fig. 4, 5 and 6, the handrail body 1 is provided with a limiting groove installation damping ring 7, a through hole is arranged below the limiting groove 7, the damping ring 7 enters the limiting groove from the through hole at the outer part of the handrail body 1, a plug 12 is arranged at the through hole for sealing, and the plug 12 is clamped and combined with the handrail body 1. The damping ring 7 is rotatable in the limiting groove and cannot move axially.

Be provided with nut 8 in the handrail body 1, the rear end and the nut 8 of screw rod 6 are connected, and nut 8 irrotational when screw rod 6 is rotatory. The nut 8 is designed to be polygonal, a limiting groove is correspondingly formed in the handrail body 1, and the nut 8 cannot rotate or axially move in the limiting groove.

The rear end of the screw rod 6 is provided with a baffle ring 11, a limit baffle is correspondingly arranged in the handrail body 1, and the forward moving distance of the screw rod 6 is limited by the baffle ring 11 and the limit baffle. By adopting the design, the screw rod 6 can be prevented from being separated from the nut 8 when the screw rod moves forwards for too long distance.

The rear end of the armrest body 1 is provided with a fixing part, the fixing part comprises a connecting plate 3, a shaft 10 and a swing rod 9, the armrest body 1 is connected and combined with a seat through the connecting plate 3, the first end of the shaft 10 is fixedly connected with the connecting plate 3, the second end of the shaft 10 extends into the armrest body 1 and is fixedly connected with the swing rod 9, the axial direction of the swing rod 9 is perpendicular to the axial direction of the shaft 10, and the rear end of the screw rod 6 is propped against the swing rod 9.

When the hand wheel 2 is rotated to adjust the axial position of the screw rod 6 in the using process, when the screw rod 6 moves backwards, the swing rod 9 is propped against to apply force so as to force the front end of the handrail to ascend, and when the screw rod 6 moves forwards, the front end of the handrail gradually descends, so that the height of the handrail is adjusted.

The armrest of this embodiment adopts the interior concealed structure of hand wheel, has set up the bush for the hand wheel and has prevented that the hand wheel from rocking to for the screw rod set up the stability of shock attenuation ring when improving the rotation, both guaranteed the aesthetic property of armrest, improved the travelling comfort that the armrest was adjusted again, noise when having reduced the hand wheel and adjusting.

The cooperation structural design between each part of the armrest of this embodiment is reasonable, and the assembly is simple, and the packaging efficiency is high, the stable performance, and the fault rate is low, long service life.

The hand wheel of the armrest of this embodiment is adjusted the dynamics and is little, and the flexibility ratio is high, has promoted passenger's use and has experienced.

Example 2

The present embodiment differs from embodiment 1 in that: as shown in fig. 4, an end cover 5 is disposed at the front end of the hand wheel 2, the end cover 5 is located between the hand wheel 2 and the bushing 4 and is respectively connected with the hand wheel 2 and the bushing 4 in a clamping manner, and the hand wheel 2 is rotated to drive the end cover 5 and the bushing 4 to rotate.

As shown in fig. 9 and 10, the end cap 5 has a third central hole 5-1, a first protrusion 5-2 is disposed on the front side of the end cap 5, and a second protrusion 5-3 is disposed on the rear side of the end cap 5. The end cover 5 is connected with the bushing 4 in a clamping mode through the first protruding block 5-2, and connected with the hand wheel 2 in a clamping mode through the second protruding block 5-3, and a second clamping groove 2-2 is correspondingly formed in the front end of the hand wheel 2.

When assembling the bushing 4, the end cover 5 and the hand wheel 2 in the handrail body 1, the bushing 4 is firstly installed on the lower shell 1-2, the first clamping groove 4-2 needs to face downwards, then the hand wheel 2 and the end cover 5 are combined in a clamping mode, then the bushing 4, the end cover 5 and the hand wheel 2 are combined, and then the screw rod 6 can be arranged in a penetrating mode.

Set up end cover 5 through increasing, can further increase the axial that hand wheel 2 supports to strengthen hand wheel 2's axial stability, prevent effectively that hand wheel 2 from rocking.

Other structures of the seat armrest in the present embodiment are the same as those in embodiment 1, and a description thereof will not be repeated.

Example 3

The embodiment discloses an automobile seat, which comprises the seat armrest described in embodiment 1 or embodiment 2, wherein the seat armrest is connected and combined with a support of the seat through a connecting plate 3, the connecting plate 3 is provided with a plurality of connecting holes, and the connecting and combining can be realized by installing screws.

The seat arm rest may be provided only on one side of the vehicle seat, or may be provided on both sides of the vehicle seat. Because hand wheel 2 is located the lower part of handrail, the passenger can not touch hand wheel 2 easily when taking, feels when the handrail height is on the low side or on the high side when the passenger, can adjust the height of handrail through stirring hand wheel 2, and the dynamics is little adjusted to hand wheel 2, and the flexibility ratio is high, has promoted passenger's use and has experienced.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a seat armrest, includes handrail body, hand wheel and screw rod, the lower part of handrail body is provided with the recess and holds the hand wheel, its characterized in that still includes the bush, the front end of hand wheel with the combination of bush joint, the front end of hand wheel passes through the bush supports on the handrail body, the front end of screw rod passes in proper order hand wheel and bush, it is rotatory to rotate the hand wheel drive the screw rod is rotatory, it supports to be provided with the damping ring in the handrail body the screw rod.

2. The chair armrest as claimed in claim 1, wherein the bushing is a T-shaped structure, the middle portion of the bushing is provided with an axial first central hole, the rear end of the first central hole is provided with a first clamping hole, and the bushing is clamped and combined with the screw rod through the first clamping hole.

3. The chair armrest as claimed in claim 2, wherein an axial second central hole is formed in the middle of the hand wheel, a second clamping hole is formed in the front end of the second central hole, and the hand wheel and the screw are clamped and combined through the second clamping hole.

4. The armrest of claim 3, wherein an end cap is disposed at a front end of the handwheel, the end cap is disposed between the handwheel and the bushing and is respectively engaged with the handwheel and the bushing, and the handwheel is rotated to drive the end cap and the bushing to rotate.

5. The armrest of claim 3, wherein the screw is provided with a snap-fit surface, the screw is snap-fit with the handwheel and the bushing, and the screw can axially move in the handwheel and the bushing when rotating.

6. The chair armrest as claimed in claim 1, wherein the armrest body is provided with a limiting groove for mounting the damping ring, a through hole is formed below the limiting groove, the damping ring enters the limiting groove from the through hole on the outside of the armrest body, and a plug is arranged at the through hole for sealing.

7. The armrest of claim 1, wherein a nut is provided in the armrest body, a rear end of the screw is connected to the nut, and the nut does not rotate when the screw rotates.

8. The chair armrest as claimed in claim 1, wherein a stop ring is disposed at the rear end of the screw, a limit baffle is correspondingly disposed in the armrest body, and the forward movement distance of the screw is limited by the stop ring and the limit baffle.

9. The chair armrest according to any one of claims 1 to 8, wherein the rear end of the armrest body is provided with a fixing portion, the fixing portion comprises a connecting plate, a shaft and a swing rod, the armrest body is connected and combined with a chair through the connecting plate, a first end of the shaft is fixedly connected with the connecting plate, a second end of the shaft extends into the armrest body and is fixedly connected with the swing rod, an axial direction of the swing rod is perpendicular to an axial direction of the shaft, and a rear end of the screw rod abuts against the swing rod.

10. A vehicle seat comprising the seat arm rest of any one of claims 1 to 9.

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