CN206213639U

CN206213639U - A kind of Rotatable armrest component with latch functions

Info

Publication number: CN206213639U
Application number: CN201620935242.4U
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: 2017-06-06
Anticipated expiration: 2026-08-24

Abstract

The utility model discloses a kind of Rotatable armrest component with latch functions, including fulcrum bearing and the armrest body being rotatablely arranged in fulcrum bearing, armrest body is attached with fulcrum bearing by rotating shaft, also being set with rotating shaft can be in the gear of the basal sliding of armrest body, the bottom of armrest body is provided with the first chute of accommodating gear, the latch fitting of control armrest body rotation is provided with fulcrum bearing, the latch fitting includes the dead bolt of the teeth groove that can stretch into gear and the impeller being connected with dead bolt wedge shape, the gear drives the first raised of armrest body towards being provided with the end face of armrest body, the first recess being engaged with the first projection is provided with armrest body.The utility model is attached by armrest body with the rotating shaft in fulcrum bearing so that armrest body can carry out 360 degree of rotation, and by setting latch fitting in fulcrum bearing, armrest body is had latch functions.

Description

A kind of Rotatable armrest component with latch functions

Technical field

The utility model is related to a kind of handrail, more particularly to a kind of Rotatable armrest component with latch functions.

Background technology

With the development of social economy, growth in the living standard, the people are to the pursuit lived also more and more higher, daily life In, in order to improve the comfort level of seat, the right and left of seat can all be provided with handrail, although in the prior art in the presence of adjustable Handrail, but these adjustable armrest existing defects.

For example, disclose a kind of Multifunctional seat arm-rest in Chinese patent CN201208078Y, wherein the locating piece of bottom, Movable cassette holder slidably with rotation, top slide locating piece and rotating locating blocks passed through check bolt and are connected, and constitutes One can left rotation and right rotation motion.But, in order to realize the positioning of handrail, locating piece is only capable of being done on fan-shaped recess and rotates Motion, result in handrail can only rotate in certain angle, it is impossible to 360 degree of rotations be realized, simultaneously as without locking Function, armrest body can not realize the positioning of stabilization after rotation.

The content of the invention

The utility model aims to solve the problem that above-mentioned mentioned technical problem, there is provided one kind can be positioned as needed, There are latch functions again, the armrest assembly of stable position can be realized to handrail after rotation is helped.

The utility model is realized by following technical scheme：A kind of Rotatable armrest group with latch functions Part, including fulcrum bearing and the armrest body being rotatablely arranged in fulcrum bearing, armrest body are attached with fulcrum bearing by rotating shaft, Also being set with rotating shaft can be provided with the first cunning of accommodating gear in the gear of the basal sliding of armrest body, the bottom of armrest body Groove, be provided with fulcrum bearing control armrest body rotation latch fitting, the latch fitting include can stretch into gear teeth groove dead bolt and With the dead bolt impeller that be connected of wedge shape, the gear towards being provided with the first projection for driving armrest body on the end face of armrest body, The first recess being engaged with the first projection is provided with armrest body.

Preferably, the impeller includes promoting dead bolt to stretch out the wedge-shaped part of motion and for promoting wedge towards armrest body direction Perpendicular to the connecting portion for stretching out direction of motion movement of dead bolt, the bottom of dead bolt is provided with the wedge shape being engaged with wedge-shaped part in shape portion Face.

Preferably, the lid that the fulcrum bearing includes the box body of bottom opening and covered with box body bottom, is set on box body The first through hole that the first groove and accommodating dead bolt for having accommodating impeller run through, the latch fitting also includes making dead bolt keep stretching into helping The stage clip of hand body, the two ends of stage clip abut with box body and connecting portion respectively.

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

Preferably, multigroup teeth groove being engaged with dead bolt is provided with the circumference of the gear.

Preferably, the inner chamber of the armrest body is provided with the second chute, and sliding block, the slide block set are provided with the second chute Loaded on be provided with rotating shaft, on armrest body accommodating rotating shaft through and can in it along the second chute length direction movement the 3rd Through hole.

Preferably, the both sides of the sliding block are respectively arranged with Resilient cantilevered portion, and the both sides of second chute are provided with The wavy detent being engaged with Resilient cantilevered portion.

Preferably, the quantity of first projection is two, is symmetrical arranged centered on the axis of rotating shaft；The armrest body Raised the first recess quantity for setting of upper correspondence first is two, and every 1 first recess is in strip and along the length of armrest body Direction is set.

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

Preferably, the chute two ends are also respectively provided with the limited block that limitation sliding block is slided.

Beneficial effect is：Compared with prior art, the utility model is connected by armrest body with the rotating shaft in fulcrum bearing Connect so that armrest body can carry out 360 degree of rotation, and by the latch fitting in fulcrum bearing, dead bolt is stretched into gear In teeth groove, and can be by controlling dead bolt from stretching into teeth groove and stretching the rotation of control armrest body so that armrest body With latch functions, the positioning of stabilization can be realized after rotating to an angle.

Brief description of the drawings

Specific embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing, wherein：

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

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

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

Fig. 4 is that the fulcrum bearing in Fig. 2 opens the internal structure schematic diagram after 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 fulcrum bearing in Fig. 3；

Fig. 7 is structural representation of Fig. 2 middle gears towards the end face of fulcrum bearing；

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

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

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

Specific embodiment

As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 8 and Figure 10, a kind of Rotatable armrest component with latch functions, including supporting Seat 1 and the armrest body 2 being rotatablely arranged in fulcrum bearing 1, armrest body 2 are attached with fulcrum bearing 1 by rotating shaft 12, rotating shaft Also being set with 12 can be provided with the first cunning of accommodating gear 4 in the gear 4 of the basal sliding of armrest body 2, the bottom of armrest body 2 Groove 211, is provided with the latch fitting 8 of the control rotation of armrest body 2 in fulcrum bearing 1, the latch fitting 8 includes stretching into the teeth groove 3 of gear 4 Dead bolt 83 and the impeller 81 being connected with the wedge shape of dead bolt 83, the gear 4 are helped towards being provided with driving on the end face of armrest body 2 First projection 43 of hand body 2, is provided with the first recess 213 being engaged with the first projection 43 on armrest body 2.Wherein, armrest body 22 placements for being mainly used in arm, support is played a part of to arm, and fulcrum bearing 11 plays a part of support to armrest body 22, Fulcrum bearing 11 is arranged to discoid, can cause that fulcrum bearing 11 is bigger with the contact area of armrest body 22, and then causes and handrail The connection of body 22 is more stablized, and certain armrest body 22 can also be arranged to other shapes, such as rectangular-shape or other similar shapes Shape.Armrest body 22 is attached by rotating shaft 12 with fulcrum bearing 11 so that armrest body 22 can carry out 360 degree of rotation, in branch Latch fitting 8 is set in bearing 1, the control to the rotation of armrest body 2 can be realized by controlling the switch of latch fitting 8, both opened latch fitting 8 When, armrest body 2 can be rotated by applying certain moment of torsion, and when closing latch fitting 8, armrest body 2 is in the lock state, handrail Body 2 can not be rotated, and the positioning of stabilization is realized to armrest body 2.Due to being provided with gear 4 and the recess 213 of armrest body 2 first The first projection 43 being engaged, the first projection 43 carries out clamping in stretching into the first groove 13 with armrest body 2, and armrest body 2 can not phase Rotated for gear 4, latch fitting 8 includes stretching into the dead bolt 83 of teeth groove 3 and the impeller 81 being connected with the wedge shape of dead bolt 83, Dead bolt 83 can be made to be glided along lozenges by promoting impeller 81 forward, so that dead bolt 83 spins off from teeth groove 3, made Latch fitting 8 is in open mode, and armrest body 2 and gear 4 can synchronize rotation, can also pass through by applying certain moment of torsion Pulling back impeller 81 makes dead bolt 83 along lozenges lifting, so that dead bolt 83 is stretched into teeth groove 3, latch fitting 8 is in locking shape State, gear 4 is rotated relative to fulcrum bearing 1, so that armrest body 2 can not be rotated, armrest body 2 is now in stabilization Positioning states.

As shown in figure 5, impeller 81 can include the wedge-shaped part 811 for promoting dead bolt 83 that motion is stretched out towards the direction of armrest body 22 With for promote wedge-shaped part 811 vertically with the connecting portion 812 for stretching out direction of motion movement of dead bolt 83, the bottom of dead bolt 83 is set There is the lozenges being engaged with wedge-shaped part 811, impeller 81 is provided with wedge-shaped part 811, can be by promoting and pulling connecting portion 812, dead bolt 83 is moved up and down along direction is stretched out, so as to realize the switching function of latch fitting 8, i.e., when applying thrust promotes connection During portion 812, dead bolt 83 will be moved downward along lozenges on direction is stretched 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, apply pulling force and pull connecting portion 812, the meeting of dead bolt 83 Moved upwards on direction is stretched out along lozenges, dead bolt 83 is stretched in teeth groove 3, latch fitting 8 will be in the lock state, handrail Body 2 can not be rotated, and armrest body 2 is now in the positioning states of stabilization, and the bottom of dead bolt 83 can be provided with and wedge-shaped part 811 lozenges for matching, so that dead bolt 83 is bigger with the active area of wedge-shaped part 811, so that dead bolt 83 is stretching out Motion on direction is more steady.

As shown in Figure 4 and Figure 6, the lid that fulcrum bearing 1 can include the box body 9 of bottom opening and be covered with the bottom of box body 9 10, the first through hole 14 that first groove 13 and accommodating dead bolt 83 of accommodating impeller 81 run through can be provided with box body 9, mutually The setting of the box body 9 and lid 10 that cover, can facilitate and some components are set inside fulcrum bearing 1, make the sky inside fulcrum bearing 1 Between be fully utilized so that whole armrest assembly structure is compacter, the first groove 13 is set on box body 9, can be with The position of impeller 81 is limited, is allowed to arbitrarily to move, and when impeller 81 is promoted, impeller 81 can be made along first Moved on the length direction of groove 13, it is, in order to the motion to dead bolt 83 is defined, to make it can only be along it to set first through hole 14 Stretch out direction to move, the latch fitting 8 also includes the stage clip 82 for making dead bolt 83 keep stretching into teeth groove 3, the two ends point of stage clip 82 Do not abutted with box body 9 and connecting portion 812, in stage clip 82 without in the state of stress, latch fitting 8 is in the lock state, when there is thrust During effect impeller 81, latch fitting 8 is in open mode, and armrest body 2 can be rotated, and now stage clip 82 is in compressive state, When the positioning to be stablized to armrest body 2, when preventing it from rotating, the motive force acted on impeller 81 only need to be withdrawn, Stage clip 82 will promote impeller 81 along the opposite direction of motive force, and when stage clip 82 returns to original state, latch fitting 8 is in lock Determine state, i.e. stage clip 82 and serve the effect of returning device so that latch fitting 8 need not be to promoting from open mode to lock-out state Part 81 applies active force can also be realized, more simple, convenient when in use.

As shown in figure 5, the second through hole 831 that accommodating wedge-shaped part 811 runs through can be provided with dead bolt 83, the second through hole 831 size is engaged 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 Be not in too wide arc gap, the enough wedge-shaped parts 811 of height of the second through hole 831 pass through, so that promote wedge-shaped part 811 to move When, dead bolt 83 is more steady in the motion that it is stretched out on direction, and the top of the second through hole 831 can be provided with the lozenges, So cause that dead bolt 83 is bigger with the contact area of wedge-shaped part 811, promotion of the impeller 81 to dead bolt 83 is more laborsaving, and motion is more Steadily, the bottom of wedge-shaped part 811 is also provided with chamfered section 813, so both can make impeller 81 again with material-saving Wedge-shaped part 811 moved in the second through hole 831 it is more smooth.

As shown in fig. 7, multigroup teeth groove 3 being engaged with dead bolt 83, multigroup teeth groove 3 can be set in the circumference of gear 4 Setting, can allow that dead bolt 83 is locked in stretching into different teeth groove 3 to gear 4, so that armrest body 2 Being in the lock state under different rotary angle, realizes the positioning of stabilization, and the setting of teeth groove 3 can be distributed on the week of gear 4 Upwards, armrest body 2 can be so made often to rotate a certain angle, the positioning that just can be stablized to armrest body 2 by latch fitting 8.

As shown in figure 9, the inner chamber of armrest body 2 can be provided with the second chute 5, sliding block can be provided with the second chute 5 6, sliding block 6 is set in rotating shaft 12, be additionally provided with armrest body 2 accommodating rotating shaft 12 through and can be interior along the second chute 5 at it The third through-hole 212 of length direction movement, because rotating shaft 12 is fixedly connected with fulcrum bearing 1, and sliding block 6 is sleeved in rotating shaft 12, So slip of the sliding block 6 in the second chute 5, is equivalent to the relative slip between armrest body 2 and fulcrum bearing 1, it is such to set The function of making armrest body 2 realize slip is put, the adjustability of armrest body 2 is enhanced, third through-hole 212 can set strip Shape, the effect of third through-hole 212 is in order to the rotating shaft 12 of fulcrum bearing 1 passes through armrest body 2 so that sliding block 6 is sleeved in rotating shaft 12, Sliding block 6 is slided in the second chute 5, and rotating shaft 12 is slided in the third through-hole 212 of strip, so as to realize that armrest body 2 is slided Function.

As shown in figure 9, the both sides of sliding block 6 can be provided with elastic cantilever 61 respectively, the both sides of the second chute 5 can be with Be provided with includes the side of sliding block 6 along length with 61 wavy detents 214 being engaged of elastic cantilever, elastic cantilever 61 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, it is raised with positioning Groove 214 is engaged, and when sliding block 6 is slided in chute, chute two side arms make hanging pillar generation curved by raised extruding force Bent and produce elastic force, when sliding block 6 is moved to raised with the joint of detent 214, the elastic force that hanging pillar is produced makes raised with positioning The flexible clamping of groove 214, now armrest body 2 be in positioning states, when the horizontal thrust for applying makes hanging pillar bend gradually, it is raised from When the bottom of detent 214 skids off along the wall of detent 214, armrest body 2 can continue to be slided in chute.The two of sliding block 6 The both sides of side and chute are respectively provided with elastic cantilever 61 and detent 214, can cause that the stress of the both sides of sliding block 6 is equal Weighing apparatus, and then allow that slip of the armrest body 2 in chute is more steady, it is in wavy positioning to be set multiple in chute both sides Groove 214, can realize the regulation of many gears to armrest body 2 in sliding process, meanwhile, detent 214 is arranged to ripple Wave-like, can cause sliding block 6 to be slided in chute more smooth, smooth, and then cause armrest body 2 relative to the cunning of fulcrum bearing 1 It is dynamic more smooth, smooth.

As shown in figs, the quantity of the first projection 43 may be configured as two, symmetrical centered on the axis of rotating shaft 12 Set；The quantity of the first recess 213 that correspondence first raised 43 is set on armrest body 2 is two, and every 1 first recess 213 is in length The strip and length direction along armrest body 2 is set, the first raised 43 and first recess 213 is disposed as two, can cause tooth Wheel 4 is more stablized with the connection of armrest body 2, and during rotation, stress is more balanced, makes armrest body 2 with gear 4 synchronous More steady during rotation, the quantity of the first raised 43 and first recess 213 can also be more than two, and the first projection 43 and first the connected mode of recess 213 can be by the way of clamping, such that the connection of gear 4 and armrest body 2 is more Plus stabilization, the first recess 213 is arranged to strip along the length direction of armrest body 2, gear 4 can be caused along the of strip One recess 213 enters line slip, so that armrest body 2 realizes the function of sliding and rotate, symmetrical setting two first simultaneously The recess 213 of projection 43 and first so that armrest body 2 is more uniformly stressed during sliding, slides more steady, the first recess 213 inner chambers that could be arranged to be through to armrest body 2, can so cause first raised 43 to be stretched to by the first recess 213 The inner chamber of armrest body 2, by the clamping band moving gear 4 one of the first raised 43 and first groove 13 due to armrest body 2 when rotated Rise and rotated, if the depth of the first groove 13 is too shallow, in rotary course, first raised 43 easily takes off from the first groove 13 Separate out and, the depth of the first groove 13 is too deep, the wall thickness of armrest body 2 can again increased, so as to increased production cost, so first Raised 43 inner chambers that armrest body 2 is stretched to by the first recess 213, can cause that gear 4 is more steady with the connection of armrest body 2 It is fixed, reduce production cost.

As shown in figure 9, chute two ends are also respectively provided with the limited block 51 that limitation sliding block 6 is slided, the two ends of sliding block 6 can set It is equipped with and elects the recess that is engaged soon as, limited block 51 can plays spacing effect to the slip of sliding block 6, while can also be right Sliding block 6 plays a part of buffering, when sliding block 6 slide it is too fast, when the recess at the two ends of sliding block 6 collides with limited block 51, due to cunning Using the setting of hollow out at the recess of block 6 so that can be deformed upon at recess, with certain elasticity, so as to reduce collide The impact produced in journey.

Above example is only used to illustrate the technical solution of the utility model and be not limited, all without departing from this Any modification of utility model spirit and scope or equivalent, it all should cover the scope in technical solutions of the utility model It is interior.

Claims

1. a kind of Rotatable armrest component with latch functions, it is characterised in that including fulcrum bearing（1）With rotatably arranged with In fulcrum bearing（1）On armrest body（2）, armrest body（2）With fulcrum bearing（1）By rotating shaft（12）It is attached, rotating shaft（12）On Also being set with can be in armrest body（2）Basal sliding gear（4）, armrest body（2）Bottom be provided with accommodating gear（4） One chute（211）, fulcrum bearing（1）On be provided with control armrest body（2）The latch fitting of rotation（8）, the latch fitting（8）Including that can stretch into Gear（4）Teeth groove（3）Dead bolt（83）And and dead bolt（83）The impeller of wedge shape connection（81）, the gear（4）Direction Armrest body（2）End face on be provided with driving armrest body（2）It is first raised（43）, armrest body（2）On be provided with it is convex with first Rise（43）The first recess being engaged（213）.

2. a kind of Rotatable armrest component with latch functions according to claim 1, it is characterised in that the promotion Part（81）Including promoting dead bolt（83）Towards armrest body（2）The wedge-shaped part of motion is stretched out in direction（811）With for promoting wedge-shaped part （811）Perpendicular to dead bolt（83）Stretch out the direction of motion movement connecting portion（812）, dead bolt（83）Bottom be provided with and wedge shape Portion（811）The lozenges being engaged.

3. a kind of Rotatable armrest component with latch functions according to claim 1, it is characterised in that the supporting Seat（1）Box body including bottom opening（9）And with box body（9）The lid that bottom covers（10）, box body（9）On be provided with accommodating pushing away Moving part（81）The first groove（13）With accommodating dead bolt（83）The first through hole for running through（14）, the latch fitting（8）Also include making lock Tongue（83）Armrest body is stretched into holding（2）Stage clip（82）, stage clip（82）Two ends respectively with box body（9）And connecting portion（812）Support Connect.

4. a kind of Rotatable armrest component with latch functions according to claim 2, it is characterised in that the dead bolt （83）On be provided with accommodating wedge-shaped part（811）The second through hole for running through（831）, the second through hole（831）Top be provided with it is described Lozenges；The wedge-shaped part（811）Bottom be additionally provided with chamfered section（813）.

5. a kind of Rotatable armrest component with latch functions according to claim 1, it is characterised in that the gear （4）Circumference on be provided with multigroup and dead bolt（83）The teeth groove being engaged（3）.

6. a kind of Rotatable armrest component with latch functions according to claim 1, it is characterised in that the handrail Body（2）Inner chamber be provided with the second chute（5）, the second chute（5）Inside it is provided with sliding block（6）, the sliding block（6）It is set in rotating shaft （12）On, armrest body（2）On be provided with accommodating rotating shaft（12）Through and can be in it along the second chute（5）Length direction movement Third through-hole（212）.

7. a kind of Rotatable armrest component with latch functions according to claim 6, it is characterised in that the sliding block （6）Both sides be respectively arranged with elastic cantilever（61）Portion, second chute（5）Both sides be provided with and elastic cantilever（61） The wavy detent that portion is engaged（214）.

8. a kind of Rotatable armrest component with latch functions according to claim 6, it is characterised in that described first It is raised（43）Quantity be two, with rotating shaft（12）Axis centered on be symmetrical arranged；The armrest body（2）Upper correspondence first is convex Rise（43）The first recess for setting（213）Quantity is two, every 1 first recess（213）In strip and along armrest body（2） Length direction set.

9. a kind of Rotatable armrest component with latch functions according to claim 8, it is characterised in that described first Recess（213）Be through to armrest body（2）Inner chamber.

10. a kind of Rotatable armrest component with latch functions according to claim 6, it is characterised in that the cunning Groove two ends are also respectively provided with limitation sliding block（6）The limited block of slip（51）.