CN106073275A

CN106073275A - A kind of Rotatable armrest assembly with latch functions

Info

Publication number: CN106073275A
Application number: CN201610719419.1A
Authority: CN
Inventors: 余国鸿
Original assignee: KAIPING RUIXIN FURNITURE COMPONENT Co Ltd
Current assignee: KAIPING RUIXIN FURNITURE COMPONENT Co Ltd
Priority date: 2016-08-24
Filing date: 2016-08-24
Publication date: 2016-11-09
Anticipated expiration: 2036-08-24
Also published as: CN106073275B

Abstract

The invention discloses a kind of Rotatable armrest assembly with latch functions, including a bearing and the armrest body being rotatablely arranged in a bearing, armrest body is attached by rotating shaft with a bearing, also being set with in rotating shaft can be at the gear of the basal sliding of armrest body, the bottom of armrest body is provided with the first chute of accommodating gear, prop up to be provided with in bearing and control the latch fitting that armrest body rotates, described latch fitting includes the dead bolt that can stretch into the teeth groove of gear and the impeller being connected with dead bolt wedge shape, described gear drives the first protruding of armrest body towards being provided with on the end face of armrest body, the first recess matched with the first projection it is provided with on armrest body.The present invention is attached with the rotating shaft in a bearing by armrest body so that armrest body can carry out the rotation of 360 degree, and by arranging latch fitting in a bearing, makes armrest body have latch functions.

Description

A kind of Rotatable armrest assembly with latch functions

Technical field

The present invention relates to a kind of handrail, particularly relate to a kind of Rotatable armrest assembly with latch functions.

Background technology

Along with socioeconomic development, growth in the living standard, the people are more and more higher to the pursuit of life, daily life In, in order to improve the comfort level of seat, the right and left of seat all can be provided with handrail, although there is scalable in prior art Handrail, but these adjustable armrest existing defects.

Such as, Chinese patent CN201208078Y discloses a kind of Multifunctional seat arm-rest, wherein bottom locating piece, Slidably it is connected by crossing check bolt with movable cassette holder, top slip locating piece and the rotating locating blocks rotated, composition One can the motion of left rotation and right rotation.But, in order to realize the location of handrail, locating piece is only capable of doing on fan-shaped recess rotating Motion, result in handrail can only rotate in certain angle, it is impossible to realize 360 degree of rotations, simultaneously as do not have locking Function, armrest body can not realize stable location after rotation.

Summary of the invention

Present invention seek to address that above-mentioned mentioned technical problem, it is provided that one can position as required, has again There is latch functions, after rotation is held up, handrail can be realized the armrest assembly of stable position.

The present invention is to be realized by following technical scheme: a kind of Rotatable armrest assembly with latch functions, bag Including a bearing and the armrest body being rotatablely arranged in a bearing, armrest body is attached by rotating shaft with a bearing, rotating shaft On be also set with can be at the gear of the basal sliding of armrest body, the bottom of armrest body is provided with the first chute of accommodating gear, Being provided with in bearing and control the latch fitting that armrest body rotates, described latch fitting includes dead bolt and and the dead bolt that can stretch into the teeth groove of gear The impeller that wedge shape connects, described gear drives the first protruding of armrest body, armrest body towards being provided with on the end face of armrest body On be provided with the first recess matched with the first projection.

Preferably, described impeller includes promoting dead bolt to stretch out the wedge-shaped part of motion towards armrest body direction and for promoting wedge What shape portion was perpendicular to dead bolt stretches out the connecting portion that the direction of motion moves, and the bottom of dead bolt is provided with the wedge shape matched with wedge-shaped part Face.

Preferably, described bearing include bottom opening box body and with box body bottom the lid that covers, box body is arranged Having the first through hole that the first groove of accommodating impeller and accommodating dead bolt run through, described latch fitting also includes making dead bolt keep stretching into holding up The stage clip of hands body, the two ends of stage clip abut with box body and connecting portion respectively.

Preferably, described dead bolt being provided with the second through hole that accommodating wedge-shaped part runs through, the top of the second through hole is provided with Described lozenges；The bottom of described wedge-shaped part is additionally provided with chamfered section.

Preferably, the circumference of described gear is provided with organize the teeth groove matched with dead bolt more.

Preferably, the inner chamber of described armrest body is provided with the second chute, is provided with slide block, described slide block set in the second chute Be loaded in rotating shaft, armrest body is provided with accommodating rotating shaft run through and can within it length direction along the second chute move the 3rd Through hole.

Preferably, the both sides of described slide block are respectively arranged with Resilient cantilevered portion, and the both sides of described second chute are provided with The wavy detent matched with Resilient cantilevered portion.

Preferably, the quantity of described first projection is two, is symmetrical arranged centered by the axis of rotating shaft；Described armrest body Upper corresponding first protruding the first recess quantity arranged is two, and each first recess is all in strip and along the length of armrest body Direction is arranged.

Preferably, the inner chamber being through to armrest body of described first recess.

Preferably, described chute two ends are also respectively provided with and limit the limited block that slide block slides.

Providing the benefit that: compared with prior art, the present invention is attached with the rotating shaft in a bearing by armrest body, makes Armrest body can carry out the rotation of 360 degree, and by locking part propping up a bearing, make dead bolt can stretch into the teeth groove of gear In, and the rotation of armrest body can be controlled by controlling dead bolt stretching into and stretching from teeth groove so that armrest body has Latch functions, can realize stable location after rotating to an angle.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in further detail, wherein:

Fig. 1 is the one of which embodiment schematic diagram of the armrest assembly of the present invention；

Fig. 2 is the decomposing schematic representation of the armrest assembly in Fig. 1；

Fig. 3 is the schematic perspective view of the bearing in Fig. 2；

Fig. 4 is the internal structure schematic diagram after the bearing in Fig. 2 opens bottom body；

Fig. 5 is the schematic diagram that the dead bolt in Fig. 2 is connected with impeller；

Fig. 6 is the structural representation of the box body of a bearing in Fig. 3；

Fig. 7 is Fig. 2 middle gear structural representation towards the end face of a bearing；

Fig. 8 is the structural representation of Fig. 2 middle gear end face towards armrest body；

Fig. 9 is the internal structure schematic diagram of armrest body in Fig. 2；

Figure 10 be in Fig. 2 armrest body towards the structural representation of the end face of bearing.

Detailed description of the invention

As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 8 and Figure 10, a kind of Rotatable armrest assembly with latch functions, including supporting Seat 1 and the armrest body 2 being rotatablely arranged in a bearing 1, armrest body 2 is attached by rotating shaft 12 with a bearing 1, rotating shaft Also being set with on 12 can be at the gear 4 of the basal sliding of armrest body 2, and the bottom of armrest body 2 is provided with the first cunning of accommodating gear 4 Groove 211, bearing 1 is provided with and controls the latch fitting 8 that armrest body 2 rotates, and described latch fitting 8 includes stretching into the teeth groove 3 of gear 4 Dead bolt 83 and the impeller 81 being connected with dead bolt 83 wedge shape, described gear 4 is held up towards being provided with driving on the end face of armrest body 2 First projection 43 of hands body 2, armrest body 2 is provided with the first recess 213 matched with the first projection 43.Wherein, armrest body 22 placements being mainly used in arm, play the effect of support to arm, and armrest body 22 is played the effect of support by a bearing 11, Prop up bearing 11 and be arranged to discoid, so that a bearing 11 is bigger with the contact area of armrest body 22, and then make and handrail The connection of body 22 is more stable, and certain armrest body 22 can also be arranged to other shapes, such as rectangular-shaped or that other are similar shape Shape.Armrest body 22 is attached with a bearing 11 by rotating shaft 12 so that armrest body 22 can carry out the rotation of 360 degree, is propping up Latch fitting 8 is set in bearing 1, the control of the rotation to armrest body 2 can be realized by controlling the switch of latch fitting 8, both opened latch fitting 8 Time, armrest body 2 can rotate by applying certain moment of torsion, and when closing latching member 8, armrest body 2 is in the lock state, handrail Body 2 can not rotate, and armrest body 2 is realized stable location.Owing to being provided with on gear 4 and armrest body 2 first recess 213 The first projection 43 matched, the first projection 43 stretches in the first groove 13 and carries out clamping with armrest body 2, and armrest body 2 can not phase Rotating for gear 4, latch fitting 8 includes the dead bolt 83 that can stretch into teeth groove 3 and the impeller 81 being connected with dead bolt 83 wedge shape, Dead bolt 83 can be made to glide along lozenges by promoting forward impeller 81, so that dead bolt 83 spins off from teeth groove 3, make Latch fitting 8 is in open mode, armrest body 2 and gear 4 can carry out synchronous rotary by applying certain moment of torsion, it is also possible to pass through Pulling back impeller 81 makes dead bolt 83 along lozenges lifting, so that dead bolt 83 stretches in teeth groove 3, latch fitting 8 is in locking shape State, gear 4 rotates relative to a bearing 1, so that armrest body 2 can not rotate, armrest body 2 is now in stable Positioning states.

As it is shown in figure 5, impeller 81 can include the wedge-shaped part 811 promoting dead bolt 83 to stretch out motion towards armrest body 22 direction With for promoting, wedge-shaped part 811 is vertical stretches out the connecting portion 812 that the direction of motion moves with dead bolt 83, the bottom setting of dead bolt 83 There are the lozenges matched with wedge-shaped part 811, impeller 81 to be provided with wedge-shaped part 811, by promoting and connecting portion can be pulled 812, make dead bolt 83 move up and down along stretching out direction, thus realize the switching function of latch fitting 8, i.e. when applying thrust promotion connection During portion 812, dead bolt 83 will move downward on direction along lozenges stretching out, and dead bolt 83 stretches out from teeth groove 3, at latch fitting 8 In open mode, armrest body 2 can realize spinfunction, in the on-state, applies pulling force and pulls connecting portion 812, dead bolt 83 meeting Moving upward on direction along lozenges stretching out, dead bolt 83 stretches in teeth groove 3, and latch fitting 8 will be in the lock state, handrail Body 2 can not rotate, and armrest body 2 is now in stable positioning states, and the bottom of dead bolt 83 can be provided with and wedge-shaped part 811 lozenges matched, so make dead bolt 83 bigger, so that dead bolt 83 is stretching out with the active area of wedge-shaped part 811 Motion on direction is more steady.

As shown in Figure 4 and Figure 6, prop up bearing 1 can include bottom opening box body 9 and with box body 9 bottom the lid that covers 10, box body 9 can be provided with the first groove 13 of accommodating impeller 81 and the first through hole 14 that accommodating dead bolt 83 runs through, mutually The box body 9 covered and the setting of lid 10, can facilitate and arrange some components inside a bearing 1, makes to prop up the sky within bearing 1 Between be fully utilized so that whole armrest assembly structure is compacter, box body 9 arranges the first groove 13, permissible Limit the position of impeller 81, be allowed to arbitrarily to move, and when promoting impeller 81, impeller 81 can be made along first Moving on groove 13 length direction, arranging the first through hole 14 is to be defined the motion of dead bolt 83 so that it is can only be along it Stretching out direction to move, described latch fitting 8 also includes the stage clip 82 making dead bolt 83 keep stretching into teeth groove 3, and the two ends of stage clip 82 are divided Not abutting with box body 9 and connecting portion 812, when stage clip 82 does not has stress, latch fitting 8 is in the lock state, when there being thrust During effect impeller 81, latch fitting 8 is in open mode, and armrest body 2 can rotate, and now stage clip 82 is in compressive state, When armrest body 2 is carried out stable location so that it is when can not rotate, only the motive force acted on impeller 81 need to be withdrawn, Stage clip 82 will promote impeller 81, when stage clip 82 returns to original state, and latch fitting 8 is in lock along the direction that motive force is contrary Determine state, i.e. stage clip 82 serves the effect of returning device so that latch fitting 8 need not promotion from open mode to lock-out state Part 81 applies active force and also is able to realize, the simplest, convenient.

As it is shown in figure 5, the second through hole 831 that accommodating wedge-shaped part 811 runs through, the second through hole can be provided with on dead bolt 83 The size of 831 matches with the width size of wedge-shaped part 811 so that the right and left when wedge-shaped part 811 is connected with the second through hole 831 Not havinging too wide arc gap, the enough wedge-shaped parts of height 811 of the second through hole 831 pass through, and so make to promote wedge-shaped part 811 to move Time, dead bolt 83 stretches out the motion on direction more steadily at it, and the top of the second through hole 831 can be provided with described lozenges, So making dead bolt 83 bigger with the contact area of wedge-shaped part 811, impeller 81 is more laborsaving to the promotion of dead bolt 83, and motion is more Steadily, the bottom of wedge-shaped part 811 is also provided with chamfered section 813, the most both can save material, and can make again impeller 81 Wedge-shaped part 811 move more smooth and easy in the second through hole 831.

Organize the teeth groove 3 matched with dead bolt 83 as it is shown in fig. 7, can arrange in the circumference of gear 4, the teeth groove 3 of many groups more Setting so that dead bolt 83 can stretch in different teeth groove 3, gear 4 is locked, so that armrest body 2 Being in the lock state under different rotary angle, it is achieved stable location, teeth groove 3 the week that can be distributed on gear 4 is set Upwards, armrest body 2 so can be made often to rotate a certain angle, just by latch fitting 8, armrest body 2 can be carried out stable location.

As it is shown in figure 9, the inner chamber of armrest body 2 can be provided with the second chute 5, in the second chute 5, slide block can be provided with 6, slide block 6 is set in rotating shaft 12, armrest body 2 is additionally provided with accommodating rotating shaft 12 and runs through and can be within it along the second chute 5 The third through-hole 212 that length direction moves, is connected owing to rotating shaft 12 is fixing with a bearing 1, and slide block 6 is sleeved in rotating shaft 12, So the slip that slide block 6 is in the second chute 5, be equivalent between armrest body 2 with a bearing 1 relative slides, and such sets Putting the function making armrest body 2 achieve slip, enhance the adjustability of armrest body 2, third through-hole 212 can be arranged to strip Shape, the effect of third through-hole 212 is in order to the rotating shaft 12 of a bearing 1 is through armrest body 2 so that slide block 6 is sleeved in rotating shaft 12, Slide block 6 slides in the second chute 5, and rotating shaft 12 is slided in the third through-hole 212 of strip, thus realizes armrest body 2 and slide Function.

As it is shown in figure 9, the both sides of slide block 6 can be provided with elastic cantilever 61 respectively, the both sides of the second chute 5 are the most permissible Being provided with the wavy detent 214 matched with elastic cantilever 61, elastic cantilever 61 includes that slide block 6 side is along long The projection protruded out on the side abutted against with detent 214 on the degree hanging pillar that protrudes out of direction and hanging pillar, protruding with location Groove 214 matches, and when slide block 6 slides in chute, chute two side arms is curved by making hanging pillar occur protruding extruding force Bent and produce elastic force, when slide block 6 moves to protruding with detent 214 joint, the elastic force that hanging pillar produces makes protruding with location Groove 214 flexible clamping, now armrest body 2 is in positioning states, when the horizontal thrust applied makes hanging pillar gradually bend, protruding from Bottom detent 214 along detent 214 wall skid off time, armrest body 2 can continue in chute slide.At slide block 6 two The both sides of side and chute are respectively provided with elastic cantilever 61 and detent 214, so that the stress of slide block 6 both sides is equal Weighing apparatus, so make armrest body 2 can slip in chute more steady, arrange multiple in wavy location in chute both sides Groove 214, can realize the regulation of many gears in sliding process, meanwhile, detent 214 is arranged to ripple armrest body 2 Wave-like, so that slide block 6 slides more smooth, smooth and easy in chute, and then makes the armrest body 2 cunning relative to a bearing 1 Dynamic more smooth, smooth and easy.

As shown in figs, the quantity of the first projection 43 may be configured as two, symmetrical centered by the axis of rotating shaft 12 Arrange；On armrest body 2, the corresponding first protruding 43 the first recess 213 quantity arranged is two, and each first recess 213 is all in length Strip the length direction along armrest body 2 are arranged, and the first protruding 43 and first recess 213 is disposed as two, so that tooth Wheel 4 is more stable with the connection of armrest body 2, and during rotating, stress more equalizes, and makes armrest body 2 with gear 4 Tong Bu During rotation more steadily, the quantity of the first protruding 43 and first recess 213 can also be more than two, and first is protruding 43 and first the connected mode of recess 213 can be to use in the way of clamping, such that the connection of gear 4 and armrest body 2 is more Add stable, the first recess 213 is arranged to strip along armrest body 2 length direction, so that gear 4 is along the of strip One recess 213 slides, so that armrest body 2 realizes the function slided and rotate simultaneously, symmetrical arranges two first Projection 43 and the first recess 213 so that armrest body 2 is more uniformly stressed during sliding, slide more steady, the first recess 213 could be arranged to be through to the inner chamber of armrest body 2, so so that first protruding 43 is stretched to by the first recess 213 The inner chamber of armrest body 2, due to armrest body 2 when rotated, by the clamping driven gear 4 one of the first protruding 43 and first groove 13 Rising and rotate, if first groove 13 degree of depth is the most shallow, in rotary course, first protruding 43 is easily de-from the first groove 13 Separating out, first groove 13 degree of depth is too deep, the wall thickness of armrest body 2 can be made again to strengthen, thus add production cost, so first Protruding 43 stretch to the inner chamber of armrest body 2 by the first recess 213, so that gear 4 is more steady with the connection of armrest body 2 Fixed, reduce production cost.

As it is shown in figure 9, chute two ends are also respectively provided with limits the limited block 51 that slide block 6 slides, slide block 6 two ends can set Being equipped with and elect the recess matched soon as, the slip of slide block 6 can be played spacing effect by limited block 51, simultaneously can also be right Slide block 6 plays the effect of buffering, when slide block 6 slides too fast, when the recess at slide block 6 two ends and limited block 51 collide, due to cunning The setting of hollow out is used so that can deform upon at recess, there is certain elasticity, thus reduce and collided at block 6 recess The impact force produced in journey.

Above example is only in order to illustrate that technical scheme is not limited, all without departing from the present invention Any amendment of spirit and scope or equivalent, it all should be contained in the range of technical solution of the present invention.

Claims

1. a Rotatable armrest assembly with latch functions, it is characterised in that include bearing (1) and rotatably arranged with Armrest body (2) in a bearing (1), armrest body (2) is attached, in rotating shaft (12) by rotating shaft (12) with a bearing (1) Also being set with can be at the gear (4) of the basal sliding of armrest body (2), and the bottom of armrest body (2) is provided with the of accommodating gear (4) One chute (211), a bearing (1) is provided with and controls the latch fitting (8) that armrest body (2) rotates, and described latch fitting (8) includes stretching into The dead bolt (83) of the teeth groove (3) of gear (4) and the impeller (81) being connected with dead bolt (83) wedge shape, described gear (4) towards It is provided with first protruding (43) driving armrest body (2) on the end face of armrest body (2), armrest body (2) is provided with convex with first Play the first recess (213) that (43) match.

A kind of Rotatable armrest assembly with latch functions the most according to claim 1, it is characterised in that described promotion Part (81) includes promoting dead bolt (83) stretch out the wedge-shaped part (811) of motion towards armrest body (2) direction and be used for promoting wedge-shaped part (811) be perpendicular to dead bolt (83) stretches out the connecting portion (812) that the direction of motion moves, and the bottom of dead bolt (83) is provided with and wedge shape The lozenges that portion (811) matches.

A kind of Rotatable armrest assembly with latch functions the most according to claim 1, it is characterised in that described supporting Seat (1) include bottom opening box body (9) and with the lid (10) that covers of box body (9) bottom, box body (9) is provided with accommodating pushing away The first through hole (14) that first groove (13) of moving part (81) and accommodating dead bolt (83) run through, described latch fitting (8) also includes making lock Tongue (83) keeps the stage clip (82) stretching into armrest body (2), and the two ends of stage clip (82) are supported with box body (9) and connecting portion (812) respectively Connect.

A kind of Rotatable armrest assembly with latch functions the most according to claim 2, it is characterised in that described dead bolt (83) being provided with the second through hole (831) that accommodating wedge-shaped part (811) runs through on, the top of the second through hole (831) is provided with described Lozenges；The bottom of described wedge-shaped part (811) is additionally provided with chamfered section (813).

A kind of Rotatable armrest assembly with latch functions the most according to claim 1, it is characterised in that described gear (4) it is provided with in circumference and organizes the teeth groove (3) matched with dead bolt (83) more.

A kind of Rotatable armrest assembly with latch functions the most according to claim 1, it is characterised in that described handrail The inner chamber of body (2) is provided with the second chute (5), is provided with slide block (6) in the second chute (5), and described slide block (6) is set in rotating shaft (12), on, armrest body (2) is provided with accommodating rotating shaft (12) and runs through and can within it move length direction along the second chute (5) Third through-hole (212).

A kind of Rotatable armrest assembly with latch functions the most according to claim 6, it is characterised in that described slide block (6) both sides are respectively arranged with elastic cantilever (61) portion, and the both sides of described second chute (5) are provided with and elastic cantilever (61) The wavy detent (214) that portion matches.

A kind of Rotatable armrest assembly with latch functions the most according to claim 6, it is characterised in that described first The quantity of protruding (43) is two, is symmetrical arranged centered by the axis of rotating shaft (12)；The upper correspondence first of described armrest body (2) is convex Playing (43) the first recess (213) quantity of arranging is two, and each first recess (213) is all in strip and along armrest body (2) Length direction arrange.

A kind of Rotatable armrest assembly with latch functions the most according to claim 8, it is characterised in that described first The inner chamber being through to armrest body (2) of recess (213).

A kind of Rotatable armrest assembly with latch functions the most according to claim 6, it is characterised in that described cunning Groove two ends are also respectively provided with and limit the limited block (51) that slide block (6) slides.