CN208243249U - Seat lift adjustment structure - Google Patents

Abstract

The utility model provides a kind of seat lift adjustment structure, it includes carriage, fixed device and adjustment device, carriage includes the first upright bar and sliding part, the second end of first upright bar is connect with chair leg ontology, sliding part is movably sheathed on the first upright bar and connect with cushion, first positioning region is set to second side of the first upright bar, second positioning region corresponds to locating piece and is releasably attached to the first positioning region relative to the first access and the movement of second adjustment hole, elastic component is sheathed on the shaft of locating piece and is resisted against between the first butting section and the second butting section, by above-mentioned seat lift adjustment structure, sliding part can adjust height relative to the first upright bar, elastic component can elastic recovery allow the second positioning region to be positioned at the location hole of the first positioning region, using more convenient.

Description

Seat lift adjustment structure

Technical field

The utility model relates generally to a kind of seat lift adjustment structure, espespecially has the seat lifting of adjustment height function Adjust structure.

Background technique

TaiWan, China new patent the M409763rd " chair regulating device " patent, including a carrier base are please referred to, it should Carrier base has the tube body of a hollow type, is equipped with plural location hole, tube body one end system socket one of the carrier base in the tube body Support frame is equipped with positioning column in the support frame, is to be arranged in those location holes to correspondence, continues a set of in being arranged in the tube body Cylinder, the inner edge position of the sleeve is equipped with the corresponding elongated guide rail of plural number in position, and wears a guide rod in providing in the sleeve, in Two side positions of the guide rod are equipped with sliding slot, and when the guide rod being caused to be arranged in the sleeve, guide rail is just arranged in the sliding slot, leads this Bar relative to sleeve can bottom generate sliding adjustment, such mechanism reduces the seat space occupied when carrying out height change, And meet its comfort level.

However, the first rotational positioning column of palpus, so that positioning column is detached from location hole can adjust when adjusting above-mentioned height of seat The relative altitude of guide rod and tube body, when positioning must determine after positioning column alignment location hole can rotational positioning column, make positioning column It is accurately positioned at location hole, using upper more inconvenient.

In view of the problem of above-mentioned background technique can not effective solution with overcome, therefore the applicant propose this patent Shen Please, to solve problem point.

Utility model content

The problem of the utility model is to be solved is: existing seat lift adjustment structure, and the first rotational positioning column of palpus makes it Adjust height again after being detached from location hole, after when positioning, must determine positioning column alignment location hole, can rotational positioning column make its standard It determines and is located at location hole, using upper more inconvenient.

For this purpose, a kind of seat lift adjustment structure provided by the utility model, it is characterized in that including:

One carriage, the carriage include first upright bar and a sliding part, which includes one A first end, a second end, first side, a second side, first hollow portion and first positioning region, this The second end of one upright bar is connect with a chair leg ontology, which is set to first upright bar, which sets It is placed in second side of first upright bar, which is movably sheathed on first upright bar and connect with a cushion, The sliding part includes first side, a second side, second hollow portion and first fixation hole, second hollow portion It is penetratingly set to the sliding part, which is set to second side of the sliding part and is connected to second hollow portion；

One fixed device, the fixation device include first fixing piece, first fixing piece have one it is first convex Portion, first fixed part and a first access, first protrusion are connect with first fixed part, first protrusion with should First fixation hole is correspondingly connected with and protrudes from second side of the sliding part, which is set to first fixing piece and passes through First protrusion and first fixed part are worn, which has an internal screw thread, which is set to first tune The inner peripheral surface in whole hole；

One adjustment device, the adjustment device include second fixing piece, a locating piece, an adjustment part and one Elastic component, second fixing piece include an external screw thread, a first connecting portion, second adjustment hole with one first against Portion, the external screw thread are set to the outer peripheral surface of second fixing piece, the external screw thread of second fixing piece be movably coupled to this first The cross sectional shape of the internal screw thread of adjusting hole, the first connecting portion is polygon, which is set to second fixing piece Different from the externally threaded one end, which is penetratingly set to second fixing piece, which is set to this The first connecting portion of second fixing piece, the locating piece are connect with the adjustment part, which is movably arranged at first tune Whole hole and the second adjustment hole, the locating piece include second positioning region, second butting section and a shaft, this second Positioning region is set to one end of the locating piece, second positioning region correspond to the locating piece relative to the first access and this second The second adjustment hole of fixing piece is mobile and is releasably attached to first positioning region, which is set to the locating piece Outer peripheral surface not between second positioning region and the shaft, the adjustment part have a second connecting portion, this second connection Portion is the groove of polygon, which connect with the first connecting portion of second fixing piece, which is sheathed on this It the shaft of locating piece and is resisted against between first butting section and second butting section.

The seat lift adjustment structure, in which: first positioning region has a first positioning hole and one second Location hole, second positioning region separatably connect the first positioning hole and second location hole of first positioning region.

The seat lift adjustment structure, in which: first positioning region is in the first positioning hole and the second location hole Between have a flat segments.

The seat lift adjustment structure, in which: for first fixed part tool there are two clip flange, two clips are convex Edge is set to the both ends of first fixed part, which includes a third fixing piece, and there are two third fixing piece tools Clip groove, two clip grooves are set to the third fixing piece, two clip grooves of the third fixing piece and this first Two clip flanges of fixed part connect, and are capable of fixing first fixing piece and are connected to the third fixing piece and the sliding part Between first fixation hole.

The seat lift adjustment structure, in which: the third fixing piece has a third adjusting hole, second positioning Portion corresponds to the locating piece relative to the first access, the third in the second adjustment hole of second fixing piece and the third fixing piece Adjusting hole is mobile and is releasably attached to the first positioning hole or second location hole of first positioning region.

The seat lift adjustment structure, in which: first upright bar have a recess portion, the recess portion be set to this first Second side of upright bar, there are two the second protrusions for sliding part tool, which is set to the interior of the sliding part second side Surface, two second protrusions have first convex block and second convex block, the first convex block of two second protrusions and Second convex block is movably attached to the two sides of the recess portion respectively.

Compared with prior art, the utility model by adopting the above technical scheme has advantages in that by above-mentioned Seat lift adjustment structure, the sliding part can relative to first upright bar adjust height, the elastic component can elastic recovery allow Second positioning region is positioned at the location hole of first positioning region, and use is more convenient.

The novel characteristics of other purposes, advantage and the utility model will from the following detailed description and related drawings more Obviously.

Detailed description of the invention

Fig. 1 is the outside drawing of the utility model seat lift adjustment structure.

Fig. 2 is the exploded view of the utility model seat lift adjustment structure.

Fig. 3 is the partial enlargement exploded view of the utility model seat lift adjustment structure.

Fig. 4 is the cross-sectional view of the utility model seat lift adjustment structure.

Fig. 5 is the cross-sectional view of the utility model seat lift adjustment structure, indicates that the second positioning region is positioned at the first positioning The first positioning hole in portion, sliding part can not be slided relative to the first upright bar.

Fig. 6 is the continuity of Fig. 5, indicates interior spiral shell of the external screw thread of corresponding second fixing piece of adjustment part relative to the first access Line rotates and separate the first access.

Fig. 7 be Fig. 6 continuity, indicate adjustment part correspond to locating piece relative to the first positioning region first positioning hole, first The first access of fixing piece and the third adjusting hole of third fixing piece are mobile, and sliding part is mobile relative to the first upright bar.

Fig. 8 is the continuity of Fig. 7, indicates that the second positioning region is positioned at the second location hole of the first positioning region, adjustment part is corresponding The external screw thread of second fixing piece is mobile relative to the internal screw thread of the first access and levels off to the first access.

Description of symbols: 10 carriages；11 first upright bars；111 first ends；112 second ends；113 first sides；114 Second side；115 first hollow portions；116 first positioning regions；1161 first positioning holes；1162 second location holes；1163 flat segments； 117 recess portions；12 sliding parts；121 first sides；122 second side；123 second hollow portions；124 first fixation holes；125 second protrusions； 1251 first convex blocks；1252 second convex blocks；13 second upright bars；20 fixed devices；21 first fixing pieces；211 first protrusions；212 First fixed part；2121 clip flanges；213 the first access；2131 internal screw threads；22 third fixing pieces；221 clip grooves；222 Third adjusting hole；30 adjustment devices；31 second fixing pieces；311 external screw threads；312 first connecting portions；313 second adjustment holes；314 First butting section；32 locating pieces；321 second positioning regions；322 second butting sections；323 shafts；33 adjustment parts；331 second connections Portion；34 elastic components；40 cushions；50 chair leg ontologies；60 chair back ontologies；The direction A.

Specific embodiment

Technology, means used by the utility model and its effect hereby lift a preferred embodiment and cooperate schema It is described in detail as after, this is not limited only for purposes of discussion in patent application by such structure.

It please refer to figs. 1 to 4, is the outside drawing of the utility model structure for regulating arm-rest, exploded view, partial enlargement point Solution figure and cross-sectional view.The utility model seat lift adjustment structure includes a carriage 10, one fixed devices 20 and one A adjustment device 30, the carriage 10 include first upright bar 11 and a sliding part 12, which includes one The second end 112, one of a first end 111, one the first side 113, one the first hollow portion 115, one of second side 114, one First positioning region 116 and a recess portion 117, the second end 112 of first upright bar 11 are connect with a chair leg ontology 50, this first Upright bar 11 also can connect second upright bar 13 in one end of the chair leg ontology 50, which is slidably connected to First upright bar 11, and one end that second upright bar 13 is different from first upright bar 11 can also connect a chair back ontology 60, First hollow portion 115 is set to first upright bar 11, which is set to second side of first upright bar 11 114, which has a first positioning hole 1161 and a second location hole 1162, the first positioning hole Have a flat segments 1163 between 1161 and the second location hole 1162, second positioning region 321 separatably connect this first The first positioning hole 1161 and second location hole 1162 of positioning region 116, the recess portion 117 are set to second side of first upright bar 11 114.The sliding part 12 is movably sheathed on first upright bar 11 and connect with a cushion 40, which includes One 123, first fixation hole 124 of the second hollow portion of second side 122, one of the first side 121, one and two the second protrusions 125, which is penetratingly set to the sliding part 12, which is set to the of the sliding part 12 It two sides 122 and is connected to second hollow portion 123, this two the second protrusions 125 are set to the interior of 12 second side 122 of sliding part Surface, this two the second protrusions 125 have first convex block 1251 and second convex block 1252, two second protrusions 1221 the first convex block 1251 and the second convex block 1252 are movably attached to the two sides of the recess portion 117 respectively.

The fixation device 20 includes first fixing piece 21, which has first protrusion 211, one 212, the first access 213 of a first fixed part and a third fixing piece 22, first protrusion 211 and first fixation Portion 212 connects, and first protrusion 211 and first fixation hole 124 are correspondingly connected with and protrude from 12 second side 122 of sliding part, For first fixed part 212 tool there are two clip flange 2121, which is set to first fixed part 212 Both ends, the first access 213 are set to first fixing piece 21 and run through first protrusion 211 and first fixed part 212, The first access 213 has an internal screw thread 2131, which is set to the inner peripheral surface of the first access 213, There are two clip groove 221 and a third adjusting hole 222, which is set to the third fixing piece 22 tool The third fixing piece 22, two clip grooves 221 of the third fixing piece 22 and two clip flanges of first fixed part 212 2121 connections, make first fixing piece 21 be capable of fixing the first fixation hole for being connected to the third fixing piece 22 Yu the sliding part Between 124.

The adjustment device 30 includes an adjustment part 33 of locating piece 32, one of the second fixing piece 31, one and an elasticity Part 34, second fixing piece 31 include the first connecting portion 312, one of an external screw thread 311, one second adjustment hole 313 and one A first butting section 314, the external screw thread 311 are set to the outer peripheral surface of second fixing piece 31, the outer spiral shell of second fixing piece 31 Line 311 is movably coupled to the internal screw thread 2131 of the first access 213, and the cross sectional shape of the first connecting portion 312 is polygon Shape, the first connecting portion 312 are set to second fixing piece 31 different from one end of the external screw thread 311, which passes through It is set to second fixing piece 31 with wearing, which is set to the first connecting portion 312 of second fixing piece 31, The locating piece 32 is permanently connected with the adjustment part 33, and in the present embodiment, the outer peripheral surface of the locating piece 32 forms outer through tooth attacking device Screw thread embeds nut with the adjustment part 33 and connect and dispensing, the locating piece 32 be movably arranged at the first access 213 with The second adjustment hole 313, the locating piece 32 include 321, second butting sections 322 in second positioning region and a shaft 323, which is set to one end of the locating piece 32, the corresponding locating piece 32 in second positioning region 321 relative to The first access 213, the second adjustment hole 313 of second fixing piece 31 and the third adjusting hole 222 of the third fixing piece 22 First positioning hole 1161 or second location hole 1162 mobile and that be releasably attached to first positioning region 116.This second is supported Relying part 322 is set to the outer peripheral surface of the locating piece 32 and between second positioning region 321 and the shaft 323, makes the adjustment Part 33 has a second connecting portion 331, which is the groove of polygon, the second connecting portion 331 and this The first connecting portion 312 of two fixing pieces 31 connects, which is able to drive second fixing piece 31, which is arranged In the locating piece 32 shaft 323 and be resisted against between first butting section 314 and second butting section 322.

Shown in referring to figure 5., when the adjustment part 33 is not rotated, the external screw thread 311 of second fixing piece 31 not relative to The internal screw thread 2131 of the first access 213 is mobile, which is not away from the first access 213, second positioning The length in portion 321 is greater than the depth summation of the first positioning hole 1161 and the third adjusting hole 222 of the third fixing piece 22, makes this Second positioning region 321 protrudes from the first positioning hole 1161 and is incorporated to first hollow portion 115 surely, second positioning region 321 positioning First positioning hole 1161 in first positioning region 116, the sliding part 12 can not correspond to the fixation device 20 and the adjustment device 30 slide relative to first upright bar 11.Referring to shown in Fig. 6, when the adjustment part 33 is rotated, the outer spiral shell of second fixing piece 31 Line 311 is mobile relative to the internal screw thread 2131 of the first access 213, which is away from the first access 213, and Drive the locating piece 32 relative to the first positioning hole 1161, the first access 213, second adjustment hole 313 and third adjusting hole 222 is mobile, which is still positioned at the first positioning hole 1161 of first positioning region 116.

Referring to shown in Fig. 7, when the adjustment part 33 is pulled along a direction A, which drives the locating piece 32, this second Positioning region 321 is detached from the first positioning hole 1161 of first fixed part 116 and can face the flat segments 1163, be resisted against this The elastic component 34 between one butting section 314 and second butting section 322 is compressed, the corresponding fixation device 20 of the sliding part 12 It is mobile relative to first upright bar 11 with the adjustment device 30.Referring to shown in Fig. 8, when the sliding part 12 is relative to first upright bar 11 is mobile, the second location hole 1162 of corresponding first positioning region 116 in second positioning region 321.34 elastic recovery of elastic component, Second positioning region 321 is set to be positioned at the second location hole 1162 of first positioning region 116.The adjustment part 33 is rotated, this second The external screw thread 311 of fixing piece 31 is mobile relative to the internal screw thread 2131 of the first access 213, and the adjustment part 33 is made to level off to this The first access 213, at this point, pulls along a direction A when adjustment part 33, which can still be positioned at this and first determine The second location hole 1162 in position portion 116, relies on above-mentioned seat lift adjustment structure, which can be first vertical relative to this Bar 11 adjustment height, the elastic component 34 can elastic recovery allow second positioning region 321 to be positioned at determining for first positioning region 116 The first positioning hole 1161 and second location hole 1162 in position hole, user need not confirm the first positioning hole 1161 or this is second fixed The position in position hole 1162, use are more convenient.

It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art Understand, without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or it is equivalent, but It falls within the protection scope of the utility model.

Claims (6)

1. a kind of seat lift adjustment structure, it is characterized in that including:

One carriage, the carriage include first upright bar and a sliding part, which includes one the One end, a second end, first side, a second side, first hollow portion and first positioning region, this is first vertical The second end of bar is connect with a chair leg ontology, which is set to first upright bar, which is set to Second side of first upright bar, the sliding part are movably sheathed on first upright bar and connect with a cushion, the cunning Moving part includes that first side, a second side, second hollow portion and first fixation hole, second hollow portion run through Ground is set to the sliding part, which is set to second side of the sliding part and is connected to second hollow portion；

One fixed device, the fixation device include first fixing piece, which has the first protrusion, one A first fixed part and a first access, first protrusion are connect with first fixed part, first protrusion and this first Fixation hole is correspondingly connected with and protrudes from second side of the sliding part, which is set to first fixing piece and runs through and be somebody's turn to do First protrusion and first fixed part, the first access have an internal screw thread, which is set to the first access Inner peripheral surface；

One adjustment device, the adjustment device include second fixing piece, a locating piece, an adjustment part and an elasticity Part, second fixing piece include an external screw thread, a first connecting portion, a second adjustment hole and first butting section, The external screw thread is set to the outer peripheral surface of second fixing piece, and the external screw thread of second fixing piece is movably coupled to the first adjustment The internal screw thread in hole, the cross sectional shape of the first connecting portion are polygon, the first connecting portion be set to second fixing piece different from The externally threaded one end, the second adjustment hole are penetratingly set to second fixing piece, first butting section be set to this second The first connecting portion of fixing piece, the locating piece are connect with the adjustment part, which is movably arranged at the first access With the second adjustment hole, which includes second positioning region, second butting section and a shaft, second positioning Portion is set to one end of the locating piece, which corresponds to the locating piece relative to the first access and second fixation The second adjustment hole of part is mobile and is releasably attached to first positioning region, which is set to the outer of the locating piece For circumferential surface not between second positioning region and the shaft, which has a second connecting portion, which is The groove of polygon, the second connecting portion are connect with the first connecting portion of second fixing piece, which is sheathed on the positioning It the shaft of part and is resisted against between first butting section and second butting section.

2. seat lift adjustment structure as described in claim 1, it is characterised in that: there is one first to be determined for first positioning region The Kong Yuyi second location hole in position, second positioning region separatably connect the first positioning hole of first positioning region and second and determine Position hole.

3. seat lift adjustment structure as claimed in claim 2, it is characterised in that: first positioning region is in the first positioning hole There are a flat segments between the second location hole.

4. seat lift adjustment structure as described in claim 1, it is characterised in that: there are two clip is convex for first fixed part tool Edge, two clip flanges are set to the both ends of first fixed part, which includes a third fixing piece, the third For fixing piece tool there are two clip groove, which is set to the third fixing piece, two cards of the third fixing piece Tug groove is connect with two clip flanges of first fixed part, is capable of fixing first fixing piece and is connected to the third and fixes Between part and the first fixation hole of the sliding part.

5. the seat lift adjustment structure as described in any one of claim 2 to 4, it is characterised in that: third fixing piece tool Have a third adjusting hole, second positioning region correspond to the locating piece relative to the first access, second fixing piece The third adjusting hole of two adjusting holes and the third fixing piece is mobile and is releasably attached to the first of first positioning region the positioning Hole or second location hole.

6. seat lift adjustment structure according to any one of claims 1 to 4, it is characterised in that: first upright bar has One recess portion, the recess portion are set to second side of first upright bar, and for sliding part tool there are two the second protrusion, this two second convex Portion is set to the inner surface of the sliding part second side, which has first convex block and second convex block, The first convex block and the second convex block of two second protrusions are movably attached to the two sides of the recess portion respectively.