CN103445548A - Height regulating structure for seat armrest - Google Patents
Height regulating structure for seat armrest Download PDFInfo
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- CN103445548A CN103445548A CN2012101826931A CN201210182693A CN103445548A CN 103445548 A CN103445548 A CN 103445548A CN 2012101826931 A CN2012101826931 A CN 2012101826931A CN 201210182693 A CN201210182693 A CN 201210182693A CN 103445548 A CN103445548 A CN 103445548A
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- pull handle
- seat body
- rectangular
- outer sleeve
- pipe seat
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
- A47C1/0303—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction
- A47C1/0305—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction by peg-and-notch or pawl-and-ratchet mechanism
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A height regulating structure for a seat armrest comprises a pipe seat body, an outer sleeve, an elongated stand, a pull handle, a locating piece, a pressing piece and an alignment mechanism, wherein the lower part of the pipe seat body is connected with and arranged on a seat, the upper part of the pipe seat body is provided with a plurality of locating holes, and each locating hole is communicated with a long guide hole; the outer sleeve is sleeved with the outer side of the pipe seat body, and the upper end of the outer sleeve is provided with an opening; the elongated stand is arranged in the outer sleeve and is positioned in the pipe seat body, and the lower part of the elongated stand is provided with a through groove; the pull handle is arranged inside the elongated stand; the locating piece is arranged at the lower end of the pull handle, and penetrates through the through groove of the elongated stand to be buckled at the locating hole of the pipe seat body; the pressing piece is connected with the upper end of the pull handle through the opening in the outer sleeve; the alignment mechanism is arranged on the opposite surfaces of the elongated stand and the pull handle and is used for limiting the stroke of the pull handle and the elongated stand during relative up-down displacement between the pull handle and the elongated stand, and an alignment effect is provided so as to improve the assembly convenience.
Description
Technical field
The relevant a kind of armrest height adjusting structure of chair of the present invention, espespecially a kind ofly be suitable for the shell structure, and utilize contraposition mechanism so that pull handle with rectangular between be easy to assembling, also can be used as the armrest height adjusting structure of chair of the restriction of adjustment armrest of seat upper and lower displacement.
Background technology
Current armrest of seat except on overall styling, have various different designs selective, for promoting the more comfortable ride effects of seat person, make seat be provided with arm height adjuster with seat person stature or the difference needed, and relevant adjusting device, how too numerous to enumerate, yet the structure of its buckle is ingenious, have nothing in common with each other.
As No. 557741 " adjustable bridge structure of office chair armrest " of TaiWan, China new patent bulletin, the disappearance of this mode is: for making overcoat base and rack plate, can do being fixed of height adjustment, therefore, be located on first and second interior baffle plate of overcoat base and rack plate and all need to offer the cross slotted eye, concern each other complexity between this class element, at fit on, extremely expend man-hour; And above-mentioned rack plate bends an angle by a lamellar body along broken line and is formed, its underpart locking is in seat bottom, with can supporting armrests and the weight of user's arm, the making of common whole rack plate is all integrally formed with metal material, makes the cost of handrail on manufacturing of whole tool adjustment height higher.
As No. M342811st, TaiWan, China new patent " armrest lowering or hoisting gear ", the disappearance of this mode is: for making to connect, establish being fixed that sleeve pipe and moving casing can do that height adjusts, thereby support, perforation and guide channel are set on the fitting portion of moving casing in order to coordinate this control piece, and pothook and guiding projection are set on control piece, the stroke swung with the correcting control piece in the action relationships of utilizing between guiding projection and guide channel, the structure of this class element concerns complexity to each other, at fit on, extremely expends man-hour; And the swing of above-mentioned control piece is just like the seesaw wobbling action, the user utilizes the swing of control piece indirectly to control and connect the snap-fit relationship of establishing sleeve pipe and moving casing, on actual wobbling action, make engaging poor with the accuracy of location, therefore reduced the stability of adjusting height of armrests.
As the TaiWan, China new patent is announced " stepless lifting armrest " No. M308021, the disappearance of this mode is: promote service portion and only can allow gear rotation one, bidentate carry out the Height Adjustment of corresponding tooth bar one to bidentate, therefore adjust slow several times, if the Height Adjustment of larger distance is arranged, need repeatedly to press service portion always and just can reach the effect of adjustment, so very effort and not easy to operate.
But, many existing armrest height adjusting structure of chairs are in order to strengthen its structural strength, usually make of metal material or the thicker plastics of used thickness, even also be provided with reinforced ribs and strengthen its structural strength, not only make product structure complexity but also manufacturing cost high.In addition, many armrest height adjusting structure of chairs also have complicated structure, therefore, can't reduce the usage quantity of mould, also can't be designed to the shell structure.
Therefore, because above-mentioned all, and do different improvement designs for the number of the space kenel of structure or member or operational complexity etc., the phase can structurally produce the quite poor opposite sex with those existing, or promote and use effect, or reduce costs to increase competitiveness; And the present invention is at designed a kind of aforesaid armrest height adjusting structure of chair that is better than in such cases.
Summary of the invention
This bright invention main purpose is to provide a kind of armrest height adjusting structure of chair, and the technical problem that institute's wish solves ties up in, the armrest height adjustment structure design of prior art is bad has many disappearances, and the necessity improved is arranged.
Armrest height adjusting structure of chair of the present invention is improved for prior art, and has plurality of advantages as follows:
Between in the present invention rectangular and pull handle, utilize Design of Dies to form contraposition mechanism, allow easily assembling between rectangular and pull handle, can be used as the restriction of upper and lower displacement stroke simultaneously, the convenience of promoting assembling and making mould, and reduce cost of manufacture.
Pipe seat body in the present invention is direct forming two respective slot on its die face, supply two ends of the C type ring that only rolling is employed corresponding embed and to locate, and enhancement is made the convenience of mould and reduced cost of manufacture.
Keeper in the present invention is provided with the projection of ramped shaped, supplies to rely on this projection automatic fastening also locate and do not deviate from the locating hole of the top of the locating hole of a plurality of longitudinal separation arrangements, the convenience while assembling in order to promote when assembling.
Pressing piece in the present invention is provided with buckle structure for the edge of corresponding perforate that is buckled in outer sleeve, in order to promote pressing piece in conjunction with and positioning function, and avoid existing pressing piece with the chimeric mode of male and female in conjunction with and the easy shortcoming of fracture.
Therefore, armrest height adjusting structure of chair of the present invention comprises:
One pipe seat body, its underpart is connected on a seat support, and a side on this pipe seat body top is provided with the locating hole that a plurality of longitudinal separation is arranged, each locating hole is also with a strip hole connection longitudinally;
One outer sleeve, it is sheathed on the outside of this pipe seat body, and this outer sleeve end face is installed an armrest pad, and this outer sleeve upper end is provided with a perforate;
One rectangular, it is installed in this outer sleeve and is positioned at this pipe seat body, this centre of rectangular forms a groove along its length, and this rectangular top is provided with a perforate with the perforate corresponding to this outer sleeve, and this rectangular bottom is provided with one and wears groove with the locating hole corresponding to this pipe seat body;
One pull handle, it is located in this groove of rectangular, and the upper end of this pull handle is provided with a projection with the perforate corresponding to this perforate of rectangular and this outer sleeve;
Positioning piece, it is installed in the lower end of this pull handle, and can be driven by this pull handle mobile, an end of this keeper be provided with a clamping part for through this rectangular wear groove to be snapped in the wherein locating hole on this pipe seat body;
One pressing piece, it is connected in the projection of this pull handle, and the protruding outside that is exposed to the perforate of this outer sleeve of this pressing piece, operates the displacement that makes progress of this pressing piece and can drive this pull handle synchronous shift to move up and down with respect to this rectangular; And
One contraposition mechanism, comprise at least one pair of projection and at least one pair of and this elongate recesses mutual corresponding to projection, this is separately positioned on the corresponding surface of this rectangular and this pull handle to projection and this to elongate recesses, and projection can be moved around along elongate recesses, and the length of this elongate recesses can be as the travel limits of relative this rectangular the relative displacement of this pull handle;
Wherein, when this pull handle, to top offset so that the clamping part of this keeper breaks away from the locating hole on this pipe seat body, and make this keeper can move up and down to adjust the high and low position of handrail;
When this pull handle, to bottom offset so that the clamping part of this keeper breaks away from the locating hole on this pipe seat body, and this keeper is buckled in the wherein locating hole on this pipe seat body form location.
Described armrest height adjusting structure of chair, wherein, this is worn groove and further in its outside, edge, protrudes and form a thickness.
Described armrest height adjusting structure of chair, wherein, the limit, two opposite sides of the lower end of this pull handle is respectively equipped with a guide groove of mutual correspondence, this guide groove outwardly skew back to downward-extension; The left and right sides that this keeper is provided with the relative other end of this clamping part is protruded respectively and is formed with a guide block, this two guide block is limited in respectively in two guide grooves of this pull handle and can moves along this guide groove, and what make this pull handle directly converts the horizontal cross displacement of this keeper up and down to displacement energy.
Described armrest height adjusting structure of chair, wherein, the end of the clamping part of this keeper further forms the projection of ramped shaped, and this projection can be moved along the long guide hole of this pipe seat body.
Described armrest height adjusting structure of chair, wherein, an end of this pressing piece convexes with a convex body, and is provided with a shrinkage pool to be socketed on the projection of this pull handle on this convex body, the other end of this pressing piece is provided with an operating portion, and the protruding perforate outside that is exposed to this outer sleeve of this operating portion is used for operation.
Described armrest height adjusting structure of chair, wherein, the left and right sides of this convex body is the outstanding clamping part that forms respectively further, makes this clamping part can be buckled in the left and right sides at edge of the perforate of this outer sleeve.
Described armrest height adjusting structure of chair, wherein, this to projection by outside outstanding formation the in this left and right sides of rectangular, and this to elongate recesses by the left and right sides of this pull handle lower formation that concave.
Described armrest height adjusting structure of chair, wherein, further comprise at least one C type ring, this C type ring set is connected on the top of this pipe seat body, two ends that coordinate this C type ring, be provided with on the top of this pipe seat body to two grooves that should two ends, so that this two end can embed this two groove.
Described armrest height adjusting structure of chair, wherein, further comprise an elastic component, this elastic component is located between this rectangular and this pull handle, this rectangular is provided with a stop section to touch an end that is butted on this elastic component, and this pull handle is provided with a stop section to touch the other end that is butted on this elastic component.
Described armrest height adjusting structure of chair, wherein, the perforate of this outer sleeve is further protruded and is formed a thickness in the outside, edge of perforate.
Thus, the present invention can reduce the usage quantity of mould and the convenience of making mould, reduces production costs, and also is applicable to the project organization of shell, and reaches the product design optimization.
The accompanying drawing explanation
The schematic appearance that Fig. 1 is armrest height adjusting structure of chair of the present invention;
The exploded view that Fig. 2 is Fig. 1;
The exploded view at another visual angle that Fig. 3 is Fig. 2;
The combination schematic appearance that Fig. 4 is rectangular of armrest height adjusting structure of chair of the present invention, pull handle, keeper and pressing piece;
The exploded view that Fig. 5 is Fig. 4;
The side view of the keeper that Fig. 6 is armrest height adjusting structure of chair of the present invention;
The top view of the pressing piece that Fig. 7 is armrest height adjusting structure of chair of the present invention;
State diagram before the profile that the 8-8 hatching that Fig. 8 is Fig. 1 is got and explanation height are adjusted;
Fig. 9, Figure 10 are the state diagram in continuity Fig. 8 and the adjustment of explanation height;
Figure 11 is for continuity Figure 10 and the state diagram after height has been adjusted is described.
Description of reference numerals: pipe seat body 10; Locating hole 11; Long guide hole 12; Groove 13; Outer sleeve 20; Perforate 21; Screw 22; Rectangular 30; Groove 31; Open-work 32; Perforate 33; Wear groove 34; Stop section 35; Pull handle 40; Projection 41; Guide groove 42; Stop section 43; Keeper 50; Clamping part 51; Projection 511; Guide block 52; Pressing piece 60; Convex body 61; Shrinkage pool 611; Operating portion 62; Clamping part 63; Contraposition mechanism 70; Projection 71; Elongate recesses 72; C type ring 80; End 81; Elastic component 90; Armrest pad 100.
The specific embodiment
For making the present invention more clearly full and accurate, hereby enumerate preferred embodiment and coordinate following diagram, structure of the present invention and technical characterictic thereof are described in detail as rear:
Please refer to shown in Fig. 1 to Fig. 7, is the combination of the schematic appearance of armrest height adjusting structure of chair of the present invention, exploded view, partial component and exploded view, the side view of keeper, the top view of pressing piece.It comprises a pipe seat body 10,20, one rectangular 30 of an outer sleeve, a pull handle 40, positioning piece 50, a pressing piece 60 and a contraposition mechanism 70.This pipe seat body 10 is for being connected on a seat support, this outer sleeve 20 is sheathed on the outside of this pipe seat body 10,50 groups of lower ends that are located at this pull handle 40 of this keeper, this pull handle 40 is arranged in this outer sleeve 20 with this rectangular 30 combination, this pressing piece 60 is installed in the upper end of this pull handle 40, and this contraposition mechanism 70 is arranged between this rectangular 30 and this pull handle 40.Thus, operate this pressing piece 60 to top offset to order about this pull handle 40 synchronously to top offset, and then this outer sleeve 20 of capable of regulating moves up and down with respect to this pipe seat body 10, and rely on this contraposition mechanism 70 to be usingd while adjusting up and down as this pressing piece 60 of operation, and make the travel limits of this pull handle 40 with respect to these rectangular 30 displacement.
The bottom of this pipe seat body 10 is for being connected on a seat support, and its top is provided with the locating hole 11 that a plurality of longitudinal separation is arranged, and each locating hole 11 is also with long guide hole 12 connections longitudinally.The external form of this pipe seat body 10 can be L-type, but does not limit, as I type (not shown).
This outer sleeve 20 is sheathed on the outside of this pipe seat body 10, and its upper end is provided with a perforate 21; The end face of this outer sleeve 20 supplies the occupant by holding for installing an armrest pad 100; The forward and backward two ends of the end face of this outer sleeve 20 (watching with seat person direction) be respectively equipped with for locking screw by and be locked on this rectangular 30 screw 22 with this armrest pad 100; This outer sleeve 20 can be made by plastic cement material, and can utilize jetting formation process to be made into integration in the shell mode, to simplify production process, to reduce weight, reduces costs, and promotes the convenience of assembling.
This rectangular 30 is one T-shaped rectangular 30, and is installed in this outer sleeve 20 and is positioned at this pipe seat body 10; This centre of rectangular 30 forms a groove 31 along the length direction of rectangular 30, its top is provided with open-work 32 that can be corresponding with the screw 22 of this outer sleeve 20, and can utilize locking screw to pass this open-work 32 and this screw 22 with by this rectangular 30, this outer sleeve 20 and the 100 locking combinations of this armrest pad; This top of rectangular 30 is provided with the perforate 33 to perforate 21 that should outer sleeve 20, and its underpart is provided with one of a plurality of locating holes 11 on should pipe seat body 10 is worn to groove 34, this is worn groove 34 and further in its outside, edge, protrudes and form a suitable thickness so that this degree of depth of wearing groove 34 increases, namely increased the thickness of rectangular 30, so that structural strength increases.
This pull handle 40 is located in this groove of rectangular 30 31, and the upper end of this pull handle 40 is provided with a projection 41, and this projection 41 wore the perforate 21 of this perforate of rectangular 30 33 and this outer sleeve 20, and can in this perforate 33 and this perforate 21, move up and down; The limit, two opposite sides of the lower end of this pull handle 40 is respectively equipped with a guide groove 42 of mutual correspondence, and this guide groove 42 outwardly skew back to downward-extension.
One end of this keeper 50 is provided with a clamping part 51 for supplying to be snapped in the wherein locating hole 11 on this pipe seat body 10 through this groove 34 of wearing of rectangular 30, the left and right sides that relatively is provided with the other end of clamping part 51 is protruded respectively and is formed with in two guide grooves 42 that guide block 52, two guide blocks 52 are limited in respectively this pull handle 40 and can be along guide groove 42 shift positions; Rely between the guide block 52 of the oblique guide groove 42 of this pull handle 40 and this keeper 50 and be up and down oblique relationship in a mutual action, make the straight horizontal cross displacement that converts this keeper 50 to displacement to up and down of this pull handle 40, so that the locating hole 11 that the clamping part 51 on this keeper 50 breaks away from these pipe seat bodies 10.As shown in Fig. 2, Fig. 3, Fig. 6, the end of this clamping part 51 also is designed to the projection 511 of ramped shaped, this projection 511 can be moved along the long guide hole 12 of this pipe seat body 10, and in when assembling, relying on this projection 511 to move along above-mentioned long guide hole 12, be buckled in the locating hole 11 of the top in the locating hole 11 of a plurality of longitudinal separation arrangements, location is lived and is not deviate from, convenience while assembling in order to promote, and can not cause and come off when assembling because this clamping part 51 not yet is placed through the locating hole 11 of this pipe seat body 10.
This pressing piece 60 is connected in the upper end of this pull handle 40 by the perforate 21 on this outer sleeve 20; One end of this pressing piece 60 convexes with a convex body 61, be provided with the projection 41 of a shrinkage pool 611 to be socketed on this pull handle 40 on this convex body 61, the relative other end is provided with an operating portion 62, protruding perforate 21 outsides that are exposed to this outer sleeve 20 of this operating portion 62 move up and down this pressing piece 60 for user's operation, drive this pull handle 40 synchronization actions simultaneously.In the left and right sides of the convex body 61 of this pressing piece 60 further respectively the outstanding clamping part 63 that forms as shown in Fig. 3, Fig. 5, Fig. 7, make this clamping part 63 can be buckled in the left and right sides at edge of the perforate 21 of this outer sleeve 20, with combination and the positioning function of enhancement pressing piece 60, and the shortcoming of avoiding existing pressing piece easily to rupture with the chimeric mode combination of male and female.
This contraposition mechanism 70 is arranged on the corresponding surface of this rectangular 30 and this pull handle 40, this contraposition mechanism 70 comprises at least one pair of projection 71 and at least one pair of groove 72, this is mutually corresponding to elongate recesses 72 with this to projection 71, and projection 71 can be moved around along elongate recesses 72, using and make the travel limits of these pull handle 40 relative these rectangular 30 displacements as this pressing piece 60 of operation; Moreover the user, when assembling, relies on this contraposition mechanism 70 can also provide a contraposition effect so that this pull handle 40 and this rectangular 30 ease of assembly.As shown in the present embodiment Fig. 3, Fig. 4, Fig. 5, this forms by this left and right sides of rectangular 30 is outstanding projection 71, and this forms by the left and right sides of this pull handle 40 is recessed elongate recesses 72.This projection 71 more can utilize mould and with this rectangular 30 be made into integration, this elongate recesses 72 more can be utilized mould and be made into integration with this pull handle 40, to reduce the usage quantity of product mold.
Please refer to shown in Fig. 2, perforate 21 on this outer sleeve 20 is further protruded and is formed a suitable thickness so that the degree of depth of this perforate 21 increases in the outside, edge of perforate 21, namely increased the thickness of this outer sleeve 20, so that structural strength increases, allow clamping part 63 on this pressing piece 60 can stably be incorporated into the edge of the perforate 21 of this outer sleeve 20, with the effect of promoting combination and locating, and the shortcoming that can avoid existing pressing piece easily to rupture with the chimeric mode combination of male and female.
Please refer to shown in Fig. 2, Fig. 3, armrest height adjusting structure of chair of the present invention further comprises at least one C type ring 80, this C type ring 80 is arranged between this pipe seat body 10 and this outer sleeve 20 and is socketed in the top of this pipe seat body 10, in order to being provided between this pipe seat body 10 and this outer sleeve 20, stable touching support effect, make this outer sleeve 20 can avoid producing when this pipe seat body 10 is done upper and lower displacement relatively and rock, and promote stability; The top of this pipe seat body 10 is provided with two ends 81 for C type ring 80 to two grooves 13 of two ends 81 that should C type ring 80 and can corresponding embed and locate in the present embodiment, this two groove 13 can utilize Design of Dies and direct forming on the side 11 of this pipe seat body 10, to simplify production process, to reduce cost of manufacture.
Please refer to shown in Fig. 2～Fig. 5 and Fig. 8～Figure 11, armrest height adjusting structure of chair of the present invention further comprises an elastic component 90, this elastic component 90 can consist of Compress Spring, but do not limit, as shell fragment, this elastic component 90 is arranged between this rectangular 30 and this pull handle 40, this rectangular 30 and this pull handle 40 are respectively equipped with a stop section 35, 43 with to should elastic component 90, and tactile this stop section of rectangular 30 35 that is butted on of an end elasticity that makes this elastic component 90, and other end elasticity is touched the stop section 43 that is butted on this pull handle 40, rely on its resiliency characteristics, the driving force of usining while resetting as this pull handle 40, further illustrate, when this pressing piece 60 of operation makes this pull handle 40 to top offset, this elastic component 90 by compression, when discharging this pull handle 40, utilize the back stretch of this elastic component 90 to reset to bottom offset to order about this pull handle 40.
The invention provides the user when its hand is grabbed and invested this outer sleeve 20 or armrest pad, but this pressing piece 60 of direct control moves up to order about this pull handle 40 to top offset, and rely on this pull handle 40 and this keeper 50 upper and lower oblique relationship in a mutual action between the two, a locating hole 11 that makes the inside lateral displacement of this keeper 50 and the clamping part 51 on it is broken away from this pipe seat body 10, and then make this outer sleeve 20 and this rectangular 30 relatively this pipe seat body 10 freely move up and down to adjust high and low position, discharge again this pressing piece 60 and this pull handle 40 is resetted, make this keeper 50 reverse (outwards laterally) displacement and snap in another locating hole 11 on this pipe seat body 10, to complete height of armrests adjustment action.When this pull handle 40 moves up and down to adjust high and low position with respect to this rectangular 30, rely on the projection 71 in this contraposition mechanism 70 to move relative to elongate recesses 72 and along elongate recesses 72, the travel limits of usining as 40 relative these rectangular 30 displacement of this pull handle simultaneously.
General seat person is when taking, hand can be rested on armrest of seat, and produce a downward strength, the present invention relies on increases this degree of depth of wearing groove 34 for can stably bearing above-mentioned downward strength, make except can increase structural strength, the clamping part 51 that also can make this keeper 50 is worn in groove 34 stability while moving at this.
Please refer to shown in Fig. 8 to Figure 11, armrest height adjusting structure of chair of the present invention before height is adjusted, adjust in and adjusted after side schematic view.As shown in Figure 8, when not operating this pull handle 40 to top offset, this keeper 50 is positioned at the place, higher position of the guide groove 42 of this pull handle 40, the clamping part 51 of this keeper 50 is snapped in the locating hole 11 on this pipe seat body 10, now, the projection 71 of this contraposition mechanism 70 is positioned at the place, higher position of elongate recesses 72.
As Fig. 9, (when wish is adjusted the height of handrail) shown in Figure 10, the operation this pressing piece 60 to top offset to drive this pull handle 40 to top offset (as shown in the arrow A of Fig. 9), and make these elastic component 90 pressurizeds form compressive state, the projection 71 of this contraposition mechanism 70 moves relative to elongate recesses 72, and the higher position by elongate recesses 72 moves to lower position place (as shown in Figure 9) along elongate recesses 72, simultaneously, rely between the guide groove 42 of this pull handle 40 and this keeper 50 and be up and down oblique relationship in a mutual action, make the straight horizontal cross displacement that converts this keeper 50 to displacement energy to up and down of this pull handle 40, make this keeper 50 move to lower position from the higher position of this guide groove 42 along guide groove 42, make the clamping part 51 of this keeper 50 (be illustrated as to the left) to the inside movement and break away from the locating hole 11 on this pipe seat body 10, and make this keeper 50 can freely move up and down (as shown in the arrow B of Figure 10) to adjust the high and low position of handrail.
As shown in figure 11, after being displaced to appropriate location, discharge this pull handle 40 and utilize the back stretch of this elastic component 90 to bottom offset (as shown in Figure 11 arrow C), the projection 71 of this contraposition mechanism 70 to be moved to order about this pull handle 40 relative to elongate recesses 72, and the lower position by elongate recesses 72 moves to the place, higher position along elongate recesses 72, simultaneously, this keeper 50 moves to higher position from the lower position of the guide groove 42 of this pull handle 40 along guide groove 42, make the clamping part 51 of this keeper 50 (be illustrated as to the right) laterally movement and be buckled in another locating hole 11, so can reach the effect of Height Adjustment.
Generally speaking, because it is very simple to be used for adjusting the structure that handrail is shifted up and down in armrest height adjusting structure of chair of the present invention, and reduce the usage quantity of mould, reduce production costs, reduce built-up time and improve property easy to assembly, also being applicable to the project organization of shell, with those existing, the quite poor opposite sex structurally being arranged, can promote and use effect and product competitiveness, and reach the product design optimization simultaneously.
The foregoing is only the preferred embodiments of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive; Those of ordinary skills understand, and in the spirit and scope that limit in the claims in the present invention, can carry out many changes to it, revise, and even equivalence change, but all will fall within the scope of protection of the present invention.
Claims (10)
1. an armrest height adjusting structure of chair, is characterized in that, comprises:
One pipe seat body, its underpart is connected on a seat support, and a side on this pipe seat body top is provided with the locating hole that a plurality of longitudinal separation is arranged, each locating hole is also with a strip hole connection longitudinally;
One outer sleeve, it is sheathed on the outside of this pipe seat body, and this outer sleeve end face is installed an armrest pad, and this outer sleeve upper end is provided with a perforate;
One rectangular, it is installed in this outer sleeve and is positioned at this pipe seat body, this centre of rectangular forms a groove along its length, and this rectangular top is provided with a perforate with the perforate corresponding to this outer sleeve, and this rectangular bottom is provided with one and wears groove with the locating hole corresponding to this pipe seat body;
One pull handle, it is located in this groove of rectangular, and the upper end of this pull handle is provided with a projection with the perforate corresponding to this perforate of rectangular and this outer sleeve;
Positioning piece, it is installed in the lower end of this pull handle, and can be driven by this pull handle mobile, an end of this keeper be provided with a clamping part for through this rectangular wear groove to be snapped in the wherein locating hole on this pipe seat body;
One pressing piece, it is connected in the projection of this pull handle, and the protruding outside that is exposed to the perforate of this outer sleeve of this pressing piece, operates the displacement that makes progress of this pressing piece and can drive this pull handle synchronous shift to move up and down with respect to this rectangular; And
One contraposition mechanism, comprise at least one pair of projection and at least one pair of and this elongate recesses mutual corresponding to projection, this is separately positioned on the corresponding surface of this rectangular and this pull handle to projection and this to elongate recesses, and projection can be moved around along elongate recesses, and the length of this elongate recesses can be as the travel limits of relative this rectangular the relative displacement of this pull handle;
Wherein, when this pull handle, to top offset so that the clamping part of this keeper breaks away from the locating hole on this pipe seat body, and make this keeper can move up and down to adjust the high and low position of handrail;
When this pull handle, to bottom offset so that the clamping part of this keeper breaks away from the locating hole on this pipe seat body, and this keeper is buckled in the wherein locating hole on this pipe seat body form location.
2. armrest height adjusting structure of chair as claimed in claim 1, is characterized in that, this is worn groove and further in its outside, edge, protrudes and form a thickness.
3. armrest height adjusting structure of chair as claimed in claim 1, is characterized in that, the limit, two opposite sides of the lower end of this pull handle is respectively equipped with a guide groove of mutual correspondence, this guide groove outwardly skew back to downward-extension; The left and right sides that this keeper is provided with the relative other end of this clamping part is protruded respectively and is formed with a guide block, this two guide block is limited in respectively in two guide grooves of this pull handle and can moves along this guide groove, and what make this pull handle directly converts the horizontal cross displacement of this keeper up and down to displacement energy.
4. armrest height adjusting structure of chair as claimed in claim 1, is characterized in that, the end of the clamping part of this keeper further forms the projection of ramped shaped, and this projection can be moved along the long guide hole of this pipe seat body.
5. armrest height adjusting structure of chair as claimed in claim 1, it is characterized in that, one end of this pressing piece convexes with a convex body, and be provided with a shrinkage pool to be socketed on the projection of this pull handle on this convex body, the other end of this pressing piece is provided with an operating portion, and the protruding perforate outside that is exposed to this outer sleeve of this operating portion is used for operation.
6. armrest height adjusting structure of chair as claimed in claim 5, is characterized in that, the left and right sides of this convex body is the outstanding clamping part that forms respectively further, makes this clamping part can be buckled in the left and right sides at edge of the perforate of this outer sleeve.
7. armrest height adjusting structure of chair as claimed in claim 1, is characterized in that, this to projection by outside outstanding formation the in this left and right sides of rectangular, and this to elongate recesses by the left and right sides of this pull handle lower formation that concave.
8. armrest height adjusting structure of chair as claimed in claim 1, it is characterized in that, further comprise at least one C type ring, this C type ring set is connected on the top of this pipe seat body, two ends that coordinate this C type ring, on the top of this pipe seat body, be provided with to two grooves that should two ends, so that this two end can embed this two groove.
9. armrest height adjusting structure of chair as claimed in claim 1, it is characterized in that, further comprise an elastic component, this elastic component is located between this rectangular and this pull handle, this rectangular is provided with a stop section to touch an end that is butted on this elastic component, and this pull handle is provided with a stop section to touch the other end that is butted on this elastic component.
10. armrest height adjusting structure of chair as claimed in claim 1, is characterized in that, the perforate of this outer sleeve is further protruded and formed a thickness in the outside, edge of perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN103445548B CN103445548B (en) | 2016-06-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739064A (en) * | 2013-12-26 | 2015-07-01 | 广力达企业有限公司 | Height adjusting structure for armrest |
| CN112437618A (en) * | 2018-06-01 | 2021-03-02 | 斯特尔凯斯公司 | Seat device |
| CN114403630A (en) * | 2021-12-31 | 2022-04-29 | 广州铧世家具制造有限公司 | Multifunctional adjustable vertebra chair |
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| JP2973089B2 (en) * | 1995-12-25 | 1999-11-08 | 株式会社岡村製作所 | Height adjustment devices such as armrests for chairs |
| US6837545B1 (en) * | 2003-09-22 | 2005-01-04 | Hsueh Yu Ho | Chair arm with an adjustable height |
| KR100737961B1 (en) * | 2006-04-12 | 2007-07-13 | 듀오백코리아 주식회사 | Apparatus for adjusting the height of armrest and structure for up-down sliding armrest |
| CN201048728Y (en) * | 2007-04-30 | 2008-04-23 | 陈永华 | Armrest regulating structure for office chair |
| CN201480671U (en) * | 2009-04-24 | 2010-05-26 | 艺术达科技材料股份有限公司 | Armrest height adjusting structure of chair |
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| JP2973089B2 (en) * | 1995-12-25 | 1999-11-08 | 株式会社岡村製作所 | Height adjustment devices such as armrests for chairs |
| US6837545B1 (en) * | 2003-09-22 | 2005-01-04 | Hsueh Yu Ho | Chair arm with an adjustable height |
| KR100737961B1 (en) * | 2006-04-12 | 2007-07-13 | 듀오백코리아 주식회사 | Apparatus for adjusting the height of armrest and structure for up-down sliding armrest |
| CN201048728Y (en) * | 2007-04-30 | 2008-04-23 | 陈永华 | Armrest regulating structure for office chair |
| CN201480671U (en) * | 2009-04-24 | 2010-05-26 | 艺术达科技材料股份有限公司 | Armrest height adjusting structure of chair |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739064A (en) * | 2013-12-26 | 2015-07-01 | 广力达企业有限公司 | Height adjusting structure for armrest |
| CN112437618A (en) * | 2018-06-01 | 2021-03-02 | 斯特尔凯斯公司 | Seat device |
| CN112437618B (en) * | 2018-06-01 | 2024-08-27 | 斯特尔凯斯公司 | Seating arrangement |
| CN114403630A (en) * | 2021-12-31 | 2022-04-29 | 广州铧世家具制造有限公司 | Multifunctional adjustable vertebra chair |
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| Publication number | Publication date |
|---|---|
| CN103445548B (en) | 2016-06-15 |
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