CN202020064U

CN202020064U - Multifunctional chair armrest adjusting device

Info

Publication number: CN202020064U
Application number: CN201120080383XU
Authority: CN
Inventors: 杨骐铭; 陈宥廷
Original assignee: Isotech Products Inc
Current assignee: Isotech Products Inc
Priority date: 2011-03-24
Filing date: 2011-03-24
Publication date: 2011-11-02
Anticipated expiration: 2021-03-24

Abstract

A multi-function chair armrest adjustment device comprising: the upper part of the handrail support is provided with a vertical guide groove, two opposite inner side surfaces of the guide groove are provided with symmetrical gear rows, and the lower part of the handrail support is connected with a chair seat; an outer sleeve is sleeved on the upper part of the handrail support, and one side of the outer sleeve is provided with an opening for arranging a key; a T-shaped positioning rod is arranged in the outer sleeve, two ends of the top of the T-shaped positioning rod are pivoted on the outer sleeve, the lower end of the T-shaped positioning rod is movably clamped in a tooth groove on the tooth row, and the T-shaped positioning rod can be driven by the key to swing so as to be separated from the tooth row; a positioning piece is fixedly connected to the upper end of the outer sleeve; the armrest is arranged on the top surface of the outer sleeve and comprises an armrest pad and an armrest seat, the armrest pad and the armrest seat are pivoted at the middle part and clamped at the outer side of the positioning piece so that the armrest can move back and forth and rotate left and right relative to the positioning piece; therefore, the utility model can achieve the effects of adjusting the armrest to move forwards and backwards, move up and down, rotate left and right, move forwards and backwards with seesaw, and the like.

Description

Multifunctional chair handrail adjusting device

Technical field

The utility model relates to a kind of armrest of seat adjusting device, refer to especially a kind of have adjust that handrail forward and backwardly, upper and lower moves, left-right rotation and front and back seesaw holding function, and the multifunctional chair handrail adjusting device simplified of member.

Background technology

Present armrest of seat except that on overall styling, have various different designs selective, for promoting the more comfortable ride effects of seat person, make armrest of seat can be provided with the adjusting device of different directions, to promote armrest of seat facility and comfortableness in the use with seat person stature or the difference that needs.

Armrest of seat generally comprises a handrail (the handrail face that generally comprises reaches disk body) and an armrest support, and this handrail is located on the end face of armrest support, and armrest support then locks on the chair cushion and arranged on left and right sides; The adjustment mode of handrail can be divided into again: level is to adjusting in order to the front and back position of adjusting handrail and left-right rotation and generally being located on the armrest body; And height is located on the armrest support to adjusting in order to adjustment height of armrests and general system.U.S. patent of invention publication number US2008/0084103 disclose its adjustable arm of an armrest do before and after, up and down, the moving of left and right directions, but it forms the many and complex structure of the number of components, cause the assembling operation difficulty and increase production cost, therefore be unfavorable for a large amount of production and market competition.

The utility model utilize less and the member simplified and design one have move forward and backward adjustments simultaneously, move up and down adjustments, multi-functional armrest of seat such as left-right rotation adjustment and front and back seesaw action, be beneficial to production and market competition in a large number.

Summary of the invention

The utility model main purpose provides a kind of multifunctional chair handrail adjusting device, it is to utilize a positioning piece and a handrail and an outer tube to link, and this outer tube is sheathed on the armrest support, make this handrail can be before and after this keeper be done to move reach about to rotation, and this handrail also can drive this outer tube and move as upward and downward relative to this armrest support, this handrail comprises an armrest pad and an armrest seat and to articulate in conjunction with forming, make this armrest pad relatively this armrest seat do seesaw action, to reach designs simplification, member is few, assembling easily and have use effects of adjusting functions more.

Owing to multifunctional chair handrail adjusting device of the present utility model, it forms member simplification, makes the start between the member comparatively smooth and easy, and is satisfied user's operational requirements again.

For reaching above-mentioned purpose, multifunctional chair handrail adjusting device of the present utility model comprises:

One armrest support, its top are provided with one vertically to guide groove, and tooth row and this tooth row that two relative medial surfaces of this guide groove are provided with symmetry are made of several teeth groove of from top to bottom arranging, and the bottom of this armrest support meets place, left side or the place, right side that is located at a seat support;

One outer tube, it is sheathed on the top of this armrest support, and the end face that this outer sleeve upper is provided with a top board and this top board is provided with a projection, and the upper end of this outer tube madial wall is provided with the stopper slot of two correspondences, and this outer tube one side is established an opening for a button is set;

A positioning rod, its top are articulated in the stopper slot of this outer tube to form a pivot, and this backstay bottom is provided with a holding section and is sticked in the teeth groove of this tooth row this backstay pars intermedia and this button snapping movably;

Positioning piece, it is locked on the projection of top board of this outer tube; And

One handrail, it is installed on the end face of this outer tube, both articulate at the place, centre position and engage to comprise an armrest pad and an armrest seat and this, the centre of this armrest seat is provided with front and back to long slot bore, and the projection that makes the top board of this outer tube passes this long slot bore with sealed with this keeper, so that this keeper is folded between this armrest pad and this armrest seat movably so that this handrail before and after this keeper can be done to move reach about to rotation;

Wherein, by pushing this button to drive this backstay is articulated in this outer tube with the top the formed pivot swinging of stopper slot, so that this set holding section, backstay bottom breaks away from a teeth groove in this tooth row, make this this keeper of handrail mat drive this outer tube and move up and down with respect to this armrest support.

Described multifunctional chair handrail adjusting device, wherein, this button is provided with a buckling parts, and the pars intermedia of this backstay is provided with convex body and this buckling parts that should buckling parts be snapped together.

Described multifunctional chair handrail adjusting device, wherein, the top of the holding section of this backstay is provided with an elastic component so that this backstay can rely on the elastic force of this elastic component and reset after swing.

Described multifunctional chair handrail adjusting device, wherein, this backstay further is provided with locating hole for this elastic component of installing.

Described multifunctional chair handrail adjusting device, wherein, this keeper further is provided with two symmetrical protrusion arc sections, and the inner face of this armrest seat further is provided with two arcuate segments with two protrusion arc sections corresponding to this keeper, makes this arcuate segments can do relative rotating relative to this arc sections.

Described multifunctional chair handrail adjusting device, wherein, two obverse centre positions of this armrest pad and this armrest seat are respectively equipped with an articulated section energy supply and articulate and engage, and the front or rear end that makes this armrest pad when pressurized can with this articulated section be pivot and relatively this armrest seat do the seesaw motion.

Described multifunctional chair handrail adjusting device, wherein, at least one end further is provided with at least one elastic component in the front and back ends of this armrest pad and this armrest seat, makes this armrest pad can rely on the resiliency characteristics of this elastic component to automatically reset after pressurized discharges.

Described multifunctional chair handrail adjusting device, wherein, be respectively equipped with an at least one convex body and a meshed grooves on the corresponding surface of this keeper and this armrest seat, wherein this convex body and this meshed grooves corresponding matching and can in this meshed grooves, do relative to before and after to move reach about to rotation.

Described multifunctional chair handrail adjusting device, wherein, the quantity of this convex body is two rear and front ends that also are arranged in the bottom surface of this keeper respectively, and this meshed grooves forms the straight line kenel and left and right directions formation camber line kenel at fore-and-aft direction.

Described multifunctional chair handrail adjusting device, wherein, the further elasticity of this convex body is arranged on the bottom surface of this keeper can elasticity touch the meshed grooves that is butted on this armrest seat.

Description of drawings

Fig. 1 is the stereoscopic figure of the utility model armrest of seat adjusting device;

Fig. 2 is another visual angle stereoscopic figure of the utility model armrest of seat adjusting device;

Fig. 3 is the exploded view of the utility model multifunctional chair handrail adjusting device;

Fig. 4 is the front section view of Fig. 1 and forward and backward seesaw motion is described;

Fig. 5 is that the front and back of the utility model armrest of seat adjusting device are to mobile schematic diagram;

Fig. 6 be the utility model armrest of seat adjusting device about to rotating schematic diagram;

Fig. 7 A, Fig. 7 B are that the upward and downward of the utility model armrest of seat adjusting device moves schematic diagram.

Description of reference numerals: armrest support 10; Top 101; Bottom 102; Guide groove 11; Tooth row 12; Teeth groove 121; Outer tube 20; Opening 21; Top board 22; Projection 221; Stopper slot 23; Backstay 30; Holding section 31; Convex body 32; Locating hole 33; Projection 34; Keeper 40; Arc sections 41; Perforation 42; Locking part 43; Convex body 44; Handrail 50; Armrest pad 51; Armrest seat 52; Articulated section 53; Long slot bore 54; Arcuate segments 55; Meshed grooves 56; Elastic component 57; Button 60; Buckling parts 61; Elastic component 70.

The specific embodiment

For making the utility model clear and definite more full and accurate, enumerate preferred embodiment now and cooperate following accompanying drawing, structure of the present utility model and technical characterictic thereof are described in detail as the back:

Referring to figs. 1 to shown in Figure 4, it is respectively outward appearance (two different visual angles) stereogram, exploded view and the cross-sectional schematic of the utility model multifunctional chair handrail adjusting device.The utility model multifunctional chair handrail adjusting device comprises an armrest support 10, an outer tube 20, a positioning rod 30, positioning piece 40 and a handrail 50; Wherein the top 101 of this armrest support 10 is provided with one vertically to guide groove 11, two relative medial surfaces of this guide groove 11 are provided with the tooth row 12 of symmetry, this tooth row 12 has from top to bottom several concavo-convex teeth groove 121 of arranging, the bottom 102 of this armrest support 10 connect be located at a seat support about place, (direction that left and right sides Xiang Shi watches with the seat person) both sides (figure does not show).

This outer tube 20 is sheathed on top 101 lateral surfaces of this armrest support 10 with adequate allowance, establishes an opening 21 has buckling parts 61 for installing one button 60 on the side of this outer tube 20; This outer tube 20 also is covered with a top board 22, and the end face of this top board 22 is provided with a projection 221; The upper end of the madial wall of this outer tube 20 is provided with the stopper slot 23 of two correspondences.

This backstay 30 is a T type body of rod and is hubbed in this outer tube 20, its top, be the two ends, top of the T type body of rod, correspondence is articulated in the stopper slot 23 of this outer tube 20 to form the pivot joint state, its bottom is provided with a holding section 31 with to two relative and symmetrical tooth rows 12 on should the guide groove 11 of armrest support 10, for being sticked in arbitrary teeth groove 121 of this tooth row 12, the intermediate portion is provided with two convex bodys 32 and gets corresponding snapping together with the buckling parts 61 corresponding to this button 60 for the two again, can drive this backstay 30 when making ecto-entad push this button 60 is pivot swinging with its top, so that this holding section 31 breaks away from a teeth groove 121 of this tooth row 12, and then this backstay 30 can be moved up and down with this outer tube 20 with respect to this armrest support 10.In addition, place, the top of the holding section 31 of this backstay 30 is provided with locating hole 33 for corresponding assembling one elastic component 70; Again on this backstay 30 further to should being provided with a projection 34 by elastic component 70, so that these elastic component 70 spacing moving.

This keeper 40 is located at the top of this outer tube 20; The centre position of this keeper 40 is provided with two symmetrical protrusion arc sections 41, and the central authorities of this arc sections 41 are provided with a perforation 42, by a locking part 43, as locking screw, passes this perforation 42 and is locked on the projection 221 of top board 22 of this outer tube 20.

This handrail 50 is installed on the end face of this outer tube 20, comprises an armrest pad 51 and an armrest seat 52, and the obverse centre position of this armrest pad 51 and this armrest seat 52 is respectively equipped with two articulated sections 53 for articulating combination; The centre of this armrest seat 52 is provided with a long slot bore 54 (direction that fore-and-aft direction is watched with the seat person) along the fore-and-aft direction of this handrail 50, pass this long slot bore 54 and this locking part 43 of mat is sealed with this keeper 40 for the projection 221 of the top board 22 of this outer tube 20, so that this keeper 40 is placed between this armrest pad 51 and this armrest seat 52 by live splint; The inner face of this armrest seat 52 further is provided with two arcuate segments 55 with two protrusion arc sections 41 corresponding to this keeper 40, makes this arcuate segments 55 can do relative rotating relative to this arc sections 41; At least one end further is provided with at least one elastic component 57 as compression spring in the front and back end of this armrest pad 51 and this armrest seat 52 again.

In addition, the profile and the structure on it of this backstay 30, this keeper 40 and this handrail 50 are designed to symmetrical kenel, as front and back symmetry or left-right symmetry, so can be not limited during assembling, and has the interchangeability of fore-and-aft direction or left and right directions, help assembling operation and handling of goods and materials, and can simplify the number of components.

With reference to figure 3 to shown in Figure 5, be respectively equipped with an at least one convex body 44 and a meshed grooves 56 on the corresponding surface of this keeper 40 and this armrest seat 52, wherein this convex body 44 and these meshed grooves 56 corresponding matching and can in this meshed grooves 56, do relative to before and after to move shown in arrow A among Fig. 5 with about to rotation shown in arrow B among Fig. 6, and can control mobile distance and position; As shown in Figure 3, the quantity of convex body 44 is two rear and front ends that also are arranged in the bottom surface of this keeper 40 respectively; Shown in Fig. 3-5, this meshed grooves 56 becomes the camber line kenel at be in line kenel and left and right directions (shown in arrow B among Fig. 6) of fore-and-aft direction (shown in arrow A among Fig. 5).Above-mentioned convex body 44 further elasticity are arranged on the bottom surface of this keeper 40, but touch the meshed grooves 56 that is butted on this armrest seat 52 for elasticity, make and form a suitable frictional resistance between the two, with the steadiness of promoting combination and the smoothness when relatively moving.

With reference to shown in Figure 4, when applying pressure to the front end of this armrest pad 51 or rear end, this armrest pad 51 be able to this articulated section 53 for pivot relatively this armrest seat 52 do seesaw motion as arrow C among Fig. 4, and rely on the resiliency characteristics of this elastic component 57, this armrest pad 51 can be automatically reset after pressurized release.

With reference to figure 4 and shown in Figure 5, when the operation this handrail 50 relative to these keeper 40 front and back when moving shown in arrow A among Fig. 5, this keeper 40 keeps motionless, the convex body 44 of these keeper 40 bottom surfaces touches on the meshed grooves 56 that is butted on this armrest seat 52, and the long slot bore 54 that makes this handrail 50 moves forward and backward along the projection 221 of the top board 22 of this outer tube 20.

With reference to figure 4 and shown in Figure 6, when relative these keeper 40 left-right rotation of this handrail of operation 50 shown in arrow B among Fig. 6, this keeper 40 keeps motionless, and the arc sections 41 of this keeper 40 maintains in the arcuate segments 55 of this armrest seat 52 and makes relative rotary motion, and the convex body 44 of these keeper 40 bottom surfaces is made left-right rotation along the meshed grooves 56 of this armrest seat 52 simultaneously.

Shown in figure 7A and Fig. 7 B, it shows before these handrail 50 adjustment shift positions respectively and the state that moves up and adjust.When ecto-entad is pushed this button 60 shown in arrow D among Fig. 7 B, this button 60 can drive this backstay 30 with its top, the i.e. two ends, top of the T type body of rod of this backstay 30, be the pivot swing that pivots, and making of a teeth groove 121 disengagings of the holding section 31 of this backstay 30 by this tooth row 12, this elastic component 70 is by compression at this moment; The height that again this handrail 50 is moved up and shown in arrow E among Fig. 7 B, extremely desired, this moment, this handrail 50 relied on these keeper 40 these outer tubes 20 of drive to move up, and this backstay 30 also moves up with this outer tube 20; After discharging this button 60, this backstay 30 can rely on the elastic-restoring force pivot return of this elastic component 70 and this holding section 31 is sticked in again in another teeth groove 121 of this tooth row 12, moves up and adjusts operation of this handrail 50 height and finish one; In like manner, also can operate this handrail 50 and move down adjustment.

Rely on above-mentioned composition structure, multifunctional chair handrail adjusting device of the present utility model to reach to adjust handrail 50 front and back, move up and down, many effects of left-right rotation and the motion of front and back seesaw.When operation adjustment handrail 50 moves forward and backward, also can adjust left rotation and right rotation simultaneously; And, since of the present utility model simple in structure and the number of components is few, can replace existing most numerous and diverse members, can reduce cost, and it is easy and convenient to assemble, and also can reduce assembly cost.

The above only is a preferred embodiment of the present utility model, only is illustrative for the utility model, and nonrestrictive; Those of ordinary skills understand, and can carry out many changes to it in the spirit and scope that the utility model claim is limited, revise, even the equivalence change, but all will fall in the protection domain of the present utility model.

Claims

1. A multifunctional chair armrest adjustment device, characterized in that it comprises:

An armrest bracket, the upper part of which is provided with a vertical guide groove, and the two opposite inner sides of the guide groove are provided with symmetrical tooth rows, and the tooth row is composed of several tooth grooves arranged from top to bottom. the lower part of which is attached to the left or right side of a seat;

An outer sleeve, which is sleeved on the upper part of the armrest bracket, a top plate is provided on the upper end of the outer sleeve and a boss is provided on the top surface of the top plate, and two corresponding limit grooves are provided on the upper end of the inner wall of the outer sleeve, One side of the outer sleeve is provided with an opening for setting a button;

A positioning rod, the top of which is pivotally connected to the limit groove of the outer sleeve to form a pivot, and the bottom of the positioning rod is provided with a locking part which can be movably engaged in a tooth groove of the tooth row. The middle part of the rod is buckled with the button;

a retainer that locks to a post on the top plate of the outer casing; and

An armrest, which is installed on the top surface of the outer sleeve, includes an armrest pad and an armrest seat, and the two are pivotally connected at the middle position, and the center of the armrest seat is provided with a front and rear long slot hole, and Make the boss of the top plate of the outer sleeve pass through the long slot hole to lock with the positioning piece, so that the positioning piece can be movably sandwiched between the armrest pad and the armrest seat, so that the armrest is relatively opposite to the The positioning part can move forward and backward and rotate left and right;

Wherein, by pressing the key to drive the positioning rod to swing with the pivot formed by pivotally connecting the top to the limit groove of the outer casing, so that the engaging part provided at the bottom of the positioning rod is disengaged from a tooth slot in the tooth row , so that the armrest drives the outer casing to move up and down relative to the armrest bracket through the positioning member.

2. The armrest adjustment device of a multifunctional chair according to claim 1, wherein the button is provided with a buckle, and the middle part of the positioning rod is provided with a convex body corresponding to the buckle and the buckle. snap together.

3. The armrest adjustment device for a multifunctional chair according to claim 1, wherein an elastic member is provided above the engaging portion of the positioning rod so that the positioning rod can be reset by virtue of the elastic force of the elastic member after swinging .

4. The armrest adjustment device of a multifunctional chair according to claim 3, wherein the positioning rod is further provided with a positioning hole for installing the elastic member.

5. The armrest adjustment device for a multifunctional chair as claimed in claim 1, wherein the positioning member is further provided with two left-right symmetrical protruding arcs, and the inner surface of the armrest seat is further provided with two arcs The area corresponds to the two protruding arcs of the positioning member, so that the arc area can be rotated relative to the arcs.

6. The armrest adjustment device for a multifunctional chair according to claim 1, wherein a pivot joint is respectively provided at the middle position of the two corresponding surfaces of the armrest pad and the armrest seat to provide energy for the pivot joint, and the When the front or rear end of the armrest pad is under pressure, it can seesaw relative to the armrest seat by using the pivot joint as a pivot.

7. The armrest adjustment device for a multifunctional chair as claimed in claim 6, wherein at least one of the front and rear ends of the armrest pad and the armrest seat is further provided with at least one elastic member, so that the armrest pad is pressed After being released, it can be automatically reset by virtue of the elastic properties of the elastic member.

8. The armrest adjustment device for a multifunctional chair according to claim 1, wherein at least one convex body and a mesh groove are respectively provided on the corresponding surfaces of the positioning member and the armrest seat, wherein the convex body and the The mesh grooves are matched correspondingly and can be relatively moved back and forth and rotated left and right in the mesh grooves.

9. The armrest adjustment device for a multifunctional chair as claimed in claim 8, wherein the number of the protrusions is two and are respectively arranged at the front and rear ends of the bottom surface of the positioning member, and the mesh grooves are arranged at the front and rear ends of the bottom surface of the positioning member. The direction forms a straight line pattern while the left and right directions form an arc pattern.

10 . The armrest adjustment device of a multifunctional chair according to claim 8 , wherein the protrusion is further elastically disposed on the bottom surface of the positioning member and can elastically contact the mesh groove of the armrest seat. 11 .