CN200957780Y - Foldable seat joint structure for adjusting to lie - Google Patents
Foldable seat joint structure for adjusting to lie Download PDFInfo
- Publication number
- CN200957780Y CN200957780Y CN 200620132958 CN200620132958U CN200957780Y CN 200957780 Y CN200957780 Y CN 200957780Y CN 200620132958 CN200620132958 CN 200620132958 CN 200620132958 U CN200620132958 U CN 200620132958U CN 200957780 Y CN200957780 Y CN 200957780Y
- Authority
- CN
- China
- Prior art keywords
- seat
- hypozygal
- joint arrangement
- spring
- foldable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to a collapsible link adjusting structure for a chair which is composed of a left linking device and a right linking device on both sides of the chair; the left linking device comprises of an upper link articulated with a lower link, between which a volute spiral spring is positioned at the joint; while the right linking device is an angle adjustable structure which is an upper link articulated with a lower link, a handle is arranged at the joint to adjust the obliquity of the upper and lower link; wherein the horizontal part and the vertical part of the left and right linking device respectively form a L shaped model, the height of the outstretched vertical part is bigger than the cushion of the builtup chair, the above structure ensures that when the chair back which is built up of the upper links is relatively folded the chair back can be folded to a lying position.
Description
Technical field
The utility model is adjusted articulation structure relevant for a kind of seat, refer to especially a kind of can be with the chair back of electric cycle or automobile relative chair cushion be folded to the adjustment articulation structure of level attitude.
Background technology
In electric cycle or the automobile, for space use or people, thing turnover convenient, and on the seat chair back structure at chair cushion adjustment angle of inclination relatively that is designed to more.
Before TaiWan, China patent announcement numbering 465304 " seat inclination angle regulation device " patent, in the case, provide a kind of adjustment joint of seat, to make things convenient for the relative chair cushion adjustable tilt angle of the chair back.Should before case keystone configuration comprise: one adjusts the main shaft etc. that seat, a rotor plate, a gear piece, a cam bit, a camshaft, a locating plate, a spring cramp, a spring, one group of locating rivet and be connected with the leader forms; Wherein adjust seat and be provided with the gear piece groove, rotor plate is provided with inner gear; The side that seat and rotor plate are separately fixed at the seat cushion and the chair back will be adjusted, the handle that is connected with by main shaft spurs, interlock cam bit and locating plate rotate, and the inner gear disengaging by cam bit control gear piece and rotor plate makes the chair back rotatable, when locating, loosen handle,, cam bit and locating plate are resetted by the restoring force of spring, gear piece meshes with inner gear again, and chair back location can't be rotated.
This preceding case has a major defect, see also Fig. 1, because adjustment seat 91 bottom surfaces wherein are to limited with the height h at rotor plate 92 pivot joint centers, make the chair back 93 when chair cushion 94 is folded to extreme lower position, still have one to be about the 30 θ angles of spending, that is to say to be folded to horizontality, sometimes, this can cause inconvenient restriction to usage space in the automobile, remains to be improved.
In addition, at this before one in the case, reinforcing chip is not set, only depends on the perforate locking chair back 93 and chair cushion 94 on it, its structure is not easily supported and the problem that comes off in shearing side owing to adjust on the side of seat 91 and rotor plate 92.
Summary of the invention
The purpose of this utility model is to provide a kind of seat that is foldable to level to adjust articulation structure, makes the upper joint stack-mounted chair back when folding relatively, and the chair back is rolled over to level attitude.
Another purpose of the present utility model is to provide a kind of seat that is foldable to level to adjust articulation structure, goes up the anchoring strength that reaches hypozygal and the chair back and chair cushion to increase.
The purpose of this utility model is achieved in that a kind of seat adjustment articulation structure that is foldable to level, and this seat has a chair back and a chair cushion, comprising:
One left joint arrangement is with one group of going up and the hypozygal formation of articulating, and in its articulated section one volute spiral spring is set,
One right joint arrangement is the structure of adjustable angle, is that it is provided with leader's control on can adjusting and the adjusting mechanism of hypozygal degree of dip in pivot points with one group of going up and the hypozygal formation of articulating,
The upper joint of an above-mentioned left side and right joint arrangement is assembled in the down either side of the chair back respectively, and hypozygal is assembled in two proceeds posterolateral of chair cushion; The hypozygal of a wherein above-mentioned left side and right joint arrangement is to form a L type with horizontal part and erection part, and the height that erection part is extended surpasses the height of the chair cushion of assembling, and makes the upper joint stack-mounted chair back when folding relatively, and the chair back is rolled over to level attitude.
Hypozygal horizontal part root edge in the right joint arrangement connects the egative film of the bottom surface lateral margin of an assembling chair cushion; Form a circle depression in the upper end of erection part, and on the circle depression, be that the center radiation shape forms the gear piece seat further with its centre hole; Accommodate a gear piece at least one gear piece seat, and erection part is provided with a pin below circle depression, this pin is connected with an end of a spring; Upper joint bottom in this right side joint arrangement then circle of relative hypozygal is recessed to form the less internal gear of a diameter, and is formed centrally circular hole in this internal gear; Internal gear and gear piece interlock mutually, different with the internal gear occlusal position and adjust the angle of the chair back and fixing by gear piece.
The handle of right joint arrangement has a bending handle, after the handle end passes the circular hole of upper joint, passes a cam bit that is located at the gear piece below, passes the centre hole of hypozygal and the centre hole of a spring cramp again, and locks with a nut; The spring cramp has the protruding seat of the other end of a connection spring; The centre hole of spring cramp is passed by the protruding axle of cam bit, make handle when with the handle end being the center rotation, cam bit and spring buckle sector-meeting are together rotated, and make cam bit to the disappearance that holds of gear piece, so make the chair back can turn to adjust degree of dip; When the rotation loosened handle,, cam bit is transferred back to hold originally the chair back fixed position of gear piece interlock internal gear because the restoring force of spring can drive the spring cramp and be back to original position.
The hypozygal egative film top of right joint arrangement forms a dental filling sheet.
Assemble the back side lateral margin reinforcing chip of chair cushion to be 90 degree formation one approximately on the edge of the hypozygal erection part of right joint arrangement and left joint arrangement.
Form a reinforcing chip to be 90 degree approximately on the edge of the upper joint of right joint arrangement and left joint arrangement.
Reach hypozygal on the joint arrangement of a left side and via a spring fixed seat described volute spiral spring is set in its articulated section; Offer a pivoted hole in hypozygal erection part upper end, its below forms a projection, and projection connects the outer end of volute spiral spring, and covers with an over cap.
The protruding axle that the upper joint of left side joint arrangement is offered a pivoted hole ammunition feed spring permanent seat passes, and makes upper joint can drive the volute spiral spring twisting when hypozygal rotates relatively; Be provided with the pad of a fixing spring permanent seat in addition in the upper joint outside.
In sum, a kind of seat that is foldable to level of the present utility model is adjusted articulation structure, make seat the chair back relatively chair cushion be folded to level attitude, can significantly increase the space that utilizes in the shipment, have practical value.
Description of drawings
Fig. 1: be the folding plan sketch of known structure.
Fig. 2: be assembly drawing of the present utility model, wherein the chair back is vertical with chair cushion.
Fig. 3: be the exploded drawings of the right joint arrangement of the utility model.
Fig. 4: be the action diagram of the right joint arrangement of the utility model, wherein the chair back is folded to and the chair cushion level.
Fig. 5: be the exploded drawings of the utility model left side joint arrangement.
Drawing reference numeral:
11--------chair back 2--------chair cushion
The right joint arrangement 21-------of 20--------upper joint
211-------reinforcing chip 212------internal gear
213-------circular hole 22-------hypozygal
221-------horizontal part 222------erection part
223-------egative film 224------reinforcing chip
225-------circle depression 226------centre hole
227-------gear piece seat 228------dental filling sheet
229-------pin 23-------gear piece
24--------handle 25-------handle
The terminal 26-------cam bit of 251-------
The protruding axle of 261-------27-------spring cramp
271-------centre hole 272------nut
The protruding seat of 273-------28-------spring
30--------left side joint arrangement 31-------upper joint
311-------reinforcing chip 312------pivoted hole
32--------hypozygal 32-------horizontal part
322-------erection part 323------egative film
324-------reinforcing chip 325------projection
326-------pivoted hole 328------dental filling sheet
33--------volute spiral spring 34-------spring fixed seat
The protruding axle of 341-------35-------over cap
36--------pad 40-------locating rivet
The specific embodiment
See also Fig. 2, the utility model is respectively equipped with a right joint arrangement 20 and a left joint arrangement 30 in the chair back 11 and chair cushion 12 both sides that constitute seat.
Right joint arrangement 20 can be referring to exploded drawings shown in Figure 3, it has comprised a upper joint 21 and a hypozygal 22, hypozygal 22 is to form a L type with horizontal part 221 and erection part 222, and connect the bottom surface lateral margin of an egative film 223 with assembling chair cushion 12 at horizontal part 221 root edges, and egative film 223 tops form a dental filling sheet 228; Form a reinforcing chip 224 to be 90 degree approximately on the edge of erection part 222, back side lateral margin with assembling chair cushion 12, form a circle depression 225 in the upper end of erection part 222, and on circle depression 225, be that the center radiation shape forms three road gear piece seats 227 further with its centre hole 226, can accommodate a gear piece 23 in each road gear piece seat 227, erection part 222 is provided with a pin 229 below circle depression 225, it is connected with an end of spring 28.
Form a reinforcing chip 211 to be 90 degree approximately on the edge of upper joint 21, the less internal gear of one diameter 212 is also formed on the upper joint 21 bottoms then circle depression 225 of relative hypozygal 22, and in this internal gear 212, be formed centrally circular hole 213, wherein internal gear 212 can with gear piece 23 interlock mutually, different with internal gear 212 occlusal positions and can adjust the angle of the chair back 11 and fixing by gear piece 23.
In addition, leader 24 has a bending handle 25, after handle 25 ends 251 pass the circular hole 213 of upper joint 21, passes a cam bit 26 that is located at gear piece 23 belows, pass the centre hole 226 of hypozygal 22 and the centre hole 271 of spring cramp 27 again, and with a nut 272 lockings.
In addition, exploded drawings at left joint arrangement 30 of the present utility model shown in Figure 5, this left side joint arrangement is with one group of going up and hypozygal 31 and 32 formations of articulating, and via a spring fixed seat 34 volute spiral spring 33 is set in its articulated section, hypozygal 32 is to form a L type with horizontal part 321 and erection part 322, and connect the bottom surface lateral margin of an egative film 323 with assembling chair cushion 12 at horizontal part 321 root edges, and egative film 323 tops form a dental filling sheet 328; Form a reinforcing chip 324 to be 90 degree approximately on the edge of erection part 322, with the back side lateral margin of assembling chair cushion 12, form a projection 325 below erection part 322 upper end pivoted holes 326, it connects the outer end of volute spiral spring 33, and covers with an over cap 35.
Form a reinforcing chip 311 to be 90 degree approximately on the edge of upper joint 31, one protruding axle 341 of its pivoted hole 312 ammunition feed spring permanent seats 34 passes, make upper joint 31 when hypozygal 32 rotates relatively, can drive volute spiral spring 33 twistings, be provided with a pad 36 with fixing spring permanent seat 34 in upper joint 31 outsides in addition.
It should be noted that, the utility model forms a L type at the hypozygal 32 and 22 of a left side and right joint arrangement 30 and 20 with horizontal part 321,221 and erection part 322,222, and the height that erection part 322,222 is extended surpasses the height of the chair cushion of assembling 12, make upper joint 31, the 21 stack-mounted chair back 11 when folding relatively, the chair back is rolled over to level attitude, referring to shown in Figure 4.
Because set volute spiral spring 33 in the left joint arrangement 30 makes handle 24 when rotation makes gear piece 23 break away from internal gear 212 interlocks, the chair back 11 can automatically return to and chair cushion 12 upright positions, as shown in Figure 2.
In addition, be provided with a pair of locating rivet 40 on the hypozygal 22 of right joint arrangement 20, make when upper joint 21 is folded to the minimum level position downwards, this locating rivet 40 can limit the downward action of upper joint 21, and is folding to prevent transition.
Further, the utility model all is provided with reinforcing chip 211,311,224,324 on upper joint 21,31 and hypozygal 22,32, can increase to go up and the anchoring strength of hypozygal and the chair back 11 and chair cushion 12, gets loose preventing.
Claims (8)
1. a seat that is foldable to level is adjusted articulation structure, and this seat has a chair back and a chair cushion, it is characterized in that comprising:
One left joint arrangement is with one group of going up and the hypozygal formation of articulating, and in its articulated section one volute spiral spring is set,
One right joint arrangement is that it is provided with leader's control on can adjusting and the adjusting mechanism of hypozygal degree of dip in pivot points with one group of going up and the hypozygal formation of articulating,
The upper joint of an above-mentioned left side and right joint arrangement is assembled in the down either side of the chair back respectively, and hypozygal is assembled in two proceeds posterolateral of chair cushion; The hypozygal of a wherein above-mentioned left side and right joint arrangement is to form a L type with horizontal part and erection part, and the height that erection part is extended surpasses the height of the chair cushion of assembling.
2. the seat that is foldable to level as claimed in claim 1 is adjusted articulation structure, it is characterized in that: the hypozygal horizontal part root edge in the right joint arrangement connects the egative film of the bottom surface lateral margin of an assembling chair cushion; Form a circle depression in the upper end of erection part, and on the circle depression, be that the center radiation shape forms the gear piece seat further with its centre hole; Accommodate a gear piece at least one gear piece seat, and erection part is provided with a pin below circle depression, this pin is connected with an end of a spring; Upper joint bottom in this right side joint arrangement then circle of relative hypozygal is recessed to form the less internal gear of a diameter, and is formed centrally circular hole in this internal gear; Internal gear and gear piece interlock mutually, different with the internal gear occlusal position and adjust the angle of the chair back and fixing by gear piece.
3. the seat that is foldable to level as claimed in claim 2 is adjusted articulation structure, it is characterized in that: the handle of right joint arrangement has a bending handle, after the handle end passes the circular hole of upper joint, pass a cam bit that is located at gear piece below, pass the centre hole of hypozygal and the centre hole of a spring cramp again, and lock with a nut; The spring cramp has the protruding seat of the other end of a connection spring; The centre hole of spring cramp is passed by the protruding axle of cam bit.
4. the seat that is foldable to level as claimed in claim 2 is adjusted articulation structure, it is characterized in that: the hypozygal egative film top of right joint arrangement forms a dental filling sheet.
5. the seat that is foldable to level as claimed in claim 1 is adjusted articulation structure, it is characterized in that: assemble the back side lateral margin reinforcing chip of chair cushion to be 90 degree formation one approximately on the edge of the hypozygal erection part of right joint arrangement and left joint arrangement.
6. the seat that is foldable to level as claimed in claim 1 is adjusted articulation structure, it is characterized in that: form a reinforcing chip to be 90 degree approximately on the edge of the upper joint of right joint arrangement and left joint arrangement.
7. the seat that is foldable to level as claimed in claim 1 is adjusted articulation structure, it is characterized in that: reach hypozygal on the left joint arrangement and via a spring fixed seat described volute spiral spring is set in its articulated section; Offer a pivoted hole in hypozygal erection part upper end, its below forms a projection, and projection connects the outer end of volute spiral spring, and covers with an over cap.
8. the seat that is foldable to level as claimed in claim 7 is adjusted articulation structure, it is characterized in that: the protruding axle that the upper joint of left joint arrangement is offered a pivoted hole ammunition feed spring permanent seat passes; Be provided with the pad of a fixing spring permanent seat in addition in the upper joint outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132958 CN200957780Y (en) | 2006-09-05 | 2006-09-05 | Foldable seat joint structure for adjusting to lie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132958 CN200957780Y (en) | 2006-09-05 | 2006-09-05 | Foldable seat joint structure for adjusting to lie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200957780Y true CN200957780Y (en) | 2007-10-10 |
Family
ID=38784653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620132958 Expired - Fee Related CN200957780Y (en) | 2006-09-05 | 2006-09-05 | Foldable seat joint structure for adjusting to lie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200957780Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357545A (en) * | 2018-04-12 | 2018-08-03 | 中山小神童创新科技有限公司 | A kind of collapsible climbing machine |
-
2006
- 2006-09-05 CN CN 200620132958 patent/CN200957780Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357545A (en) * | 2018-04-12 | 2018-08-03 | 中山小神童创新科技有限公司 | A kind of collapsible climbing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |