CN201026016Y - Device for regulating chair angle - Google Patents
Device for regulating chair angle Download PDFInfo
- Publication number
- CN201026016Y CN201026016Y CNU2007200057838U CN200720005783U CN201026016Y CN 201026016 Y CN201026016 Y CN 201026016Y CN U2007200057838 U CNU2007200057838 U CN U2007200057838U CN 200720005783 U CN200720005783 U CN 200720005783U CN 201026016 Y CN201026016 Y CN 201026016Y
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- Prior art keywords
- ratchet
- cam
- slide block
- central shaft
- coulisse
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- 230000001105 regulatory effect Effects 0.000 title description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 230000014616 translation Effects 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VQKWAUROYFTROF-UHFFFAOYSA-N arc-31 Chemical compound O=C1N(CCN(C)C)C2=C3C=C4OCOC4=CC3=NN=C2C2=C1C=C(OC)C(OC)=C2 VQKWAUROYFTROF-UHFFFAOYSA-N 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a chair angle adjusting device, belonging to a mechanical technical field, which comprises a cam, a reset spring, a slide way plate and a ratchet wheel connected with a central shaft. An external hook of the reset spring is positioned in a small hole of the slide way plate, a slide block is arranged in the slide way of the slide way plate, a boss of the slide block is connected with the slide way of the cam, a plug is arranged in the slide way of the slide way plate, the boss of the plug is connected with the slide way of the cam and the slide way is normal to each other; the cam is secured through the central shaft under the effect of the reset spring, and then the autolocking surface of the slide block is locked with the autolocking surface of the plug at two points. The utility model has the advantages of compact structure, small volume, high intension, excellent double-side unlocking performance and high accuracy of regulation. The angle modulation and the rapid folding of backrest can be conveniently realized.
Description
Technical field
The utility model relates to field of mechanical technique, is meant a kind of chair angle adjusting device especially.
Background technology
At present, a lot of seats all can be realized the function of angular adjustment, chair back fast folding, and realize latch functions after angular adjustment, make the fixed angle between the seat support and the chair back.
Implementation of the prior art is: be called the leaf spring type chair angle referring to China Patent No. ZL 200420017699.4 utility model names and regulate and chair back folders core apparatus.As shown in Figure 1, in this device, locking cam 101 supports two slide blocks 103 from locking face 102 by himself two under the effect of back-moving spring external force, make between two slide blocks, 103 top shoe ratchets and the ratchet ratchet more firm after the engagement, thereby the seat support of realization seat and the angle of the chair back realize the fixing of chair angle after adjusting.
In the device that above-mentioned realization chair angle is regulated, because between each slide block 103 and the locking cam 101, only from locking face 102 places a strong point is arranged at locking cam 101, therefore, after the angle between the seat support and the chair back was conditioned and is fixed, the user leaned against on the chair back, the chair back is stressed, because the supporting way of each slide block 103 this single-point can cause the ratchet of slide block 103 and the low problem of joggled strength between the ratchet ratchet after the chair back is stressed, cause the instability of the chair back.
The utility model content
In view of this, the utility model is to provide a kind of chair angle adjusting device, to solve in the prior art, under the single-point supporting way, can cause the ratchet of slide block and the low problem of joggled strength between the ratchet ratchet after the chair back is stressed.
For addressing the above problem, the utility model provides a kind of chair angle adjusting device, comprising: cam, back-moving spring, coulisse, ratchet, central shaft, have two slide blocks from locking face, have two from the locking face wedge;
Cam, back-moving spring, coulisse, ratchet, coulisse are connected with central shaft, and slide block is connected with coulisse, and wedge is in the chute of coulisse, and the boss of wedge is connected with the chute of cam,
Wherein, described cam, back-moving spring be connected with central shaft for:
The square hole of cam, back-moving spring the interior square tube foreign side of crossing central shaft form axle and connect.
Wherein, slide block also has the slide block ratchet, and ratchet also has the ratchet ratchet,
After the central shaft rotation, slide block ratchet and ratchet ratchet are thrown off; After back-moving spring drives cam by central shaft and resets, ratchet ratchet and slide block ratchet engagement, slide block from locking face and wedge from locking face formation locking.
Wherein, ratchet also has after back-moving spring resets by central shaft drive cam, with the contacted ratchet planing surface of ratchet ratchet.
Wherein, has the boss that is connected with chair back connecting plate on the ratchet.
Wherein, has the boss that is connected with the seat support connecting plate on the coulisse.
Wherein, this device also comprises the sheath that ratchet, coulisse are connected.
Device of the present utility model can be after the angular adjustment of seat, each wedge have two sections of symmetry corresponding from locking face from locking face with slide block, formation two point locking.When the ratchet ratchet is relative with the slide block ratchet, come driving cam to rotate by the power of external force and spiral type back-moving spring, thereby the locking or the release of control slide block and ratchet realize the adjusting of backrest angle; Two sections uniform ratchet ratchets and two sections uniform ratchet planing surfaces are arranged on the ratchet, when the ratchet planing surface is relative with the slide block ratchet, can realize the fast folding of backrest, by sheath above-mentioned part is connected firmly and to form a relatively independent device together, non-dismountable, non-maintaining, this device can be used for different vehicles according to user's the different connecting plate of requirement design, has very strong versatility.The utility model also has compact conformation, and volume is little, the intensity height, and bilateral release performance is good, and the degree of regulation advantages of higher can realize easily that backrest angle is regulated and the fast folding function of backrest.
Description of drawings
Fig. 1 is the schematic diagram of single-point locking in the prior art;
Fig. 2 is the front view of the utility model embodiment cam lock portion;
Fig. 3 is the rearview of the utility model embodiment cam lock portion;
Fig. 4 is the schematic diagram that forms locking among the utility model embodiment;
Fig. 5 is the stereogram a of seat adjuster among the utility model embodiment;
Fig. 6 is the stereogram b of seat adjuster among the utility model embodiment;
Fig. 7 is the front view after the seat adjuster combination among the utility model embodiment;
Fig. 8 is the left view after the seat adjuster of the utility model embodiment makes up;
Fig. 9 is the rearview after the seat adjuster of the utility model embodiment makes up.
The specific embodiment
Below by embodiment of the present utility model and be described with reference to the accompanying drawings.
Referring to Fig. 2, Fig. 3, Fig. 4, in this embodiment, the lock portion of cam 4 is described at first, so that better understand the technological core of the utility model on locking.In cam 4, there is himself boss 8 of 5, two slide blocks of chute 25 of the chute 19 of two symmetries and two symmetries to be connected with chute 5, two wedges 9 are connected with chute 19 by himself boss 18.After the lock portion of this cam 4 is used for the angular adjustment of seat, form brand-new chair angle adjusting device.
After cam 4 rotations, two symmetries on locking face 29 and wedge 9 of two symmetries on the slide block 25 form 2 lockings from locking face 30.
Describe the chair angle adjusting device of cam 4 lock portion in detail below in conjunction with the three-dimensional view of the utility model embodiment.
Referring to Fig. 5, Fig. 6, two slide blocks 25 that are symmetrically distributed are contained in two chutes 13 of coulisse 10, slide block side 7 and coulisse 10 chute sides 14 matched in clearance, and there is one section slide block ratchet 6 slide block 25 outer ends, and there is a boss 8 at the middle part;
Two wedges 9 that are symmetrically distributed are contained in two chutes 11 of coulisse 10, the side 22 and chute 11 matched in clearance of wedge 9, and there is a boss 18 at wedge 9 middle parts;
The cam path 19 that the driving wedge 9 of the cam path 5 of driving slide block 25 of two symmetries and two symmetries is arranged on the cam 4, cam 4 centers have a square hole 20 to cooperate with central shaft 17, the ratchet planing surface 26 of two sections ratchet ratchets 28 of symmetrical distribution and two sections symmetrical distributions on the ratchet 2, there are circular arc 33 matched in clearance of a circular hole 21 and central shaft 17 at ratchet 2 centers, the cylindrical 3 of ratchet 2 cooperates with the interior round side 15 of coulisse 10, coulisse 10 centers have a circular hole 12 to cooperate with the circular arc 31 of central shaft 17, intracardiac side 24 is fixing with central shaft 17 foreign sides 32 in the back-moving spring 27, in the circular groove 16 of back-moving spring 27 in coulisse 10, back-moving spring 27 outer hooks 23 are fixed in the aperture 40 of coulisse 10, these aperture 40 positions are connected to become these parts together by the method that closes up by sheath 1 at last referring to Fig. 9.
Describe the concrete use of this device below in detail, six semi-piercing boss and then are connected with Chair back with after chair back connecting plate is connected on the ratchet 2, and four semi-piercing boss are connected with the seat support connecting plate and then are connected with the chair basin on the coulisse 10.
When external torque is delivered on the cam 4 by central shaft 17 central square holes 20, cam path 19 on the cam 4 drives the boss 18 of two wedges 9 to the direction motion away from central shaft 17, boss 8 on two cam paths, the 5 drive slide blocks 25 on the cam 4 is to the center translation simultaneously, throw off fully up to slide block ratchet 6 and ratchet ratchet 28, at this moment, freely rotate between the cylindrical end face 3 of ratchet 2 and the interior circular groove 15 of coulisse 10, thus the adjusting of realization chair back angle.
When chair back angular adjustment arrives suitable position, remove external torque, under the driving of back-moving spring 27, the cam path 19 of cam 4 drives wedge 9 to the center translation, the contacting from locking face 30 and slide block 25 of wedge 9 from locking face 29, and promote the chute 13 outside translations of slide block 25 along coulisse 10, mesh fully up to slide block ratchet 6 and ratchet ratchet 28.
At this moment, because the self-locking between locking face 29 from locking face 30 and slide block of wedge 9, can be with chair back angle locking in this angle; In addition, ratchet ratchet 28 and two sections ratchet planing surfaces 26 of two sections symmetries are arranged on the ratchet 2, when slide block ratchet 6 and ratchet planing surface 26 were relative, slide block ratchet 6 can be free to slide on ratchet planing surface 26.At this moment, this device can be realized folder function.
Shape after above-mentioned part is combined can be referring to Fig. 7, and Fig. 7 is the front view of this embodiment, and circle distribution has 6 semi-piercing boss on the ratchet 2, is used for being connected with the chair back connecting plate of seat, and then is connected with the chair back; Fig. 8 is the left view of this embodiment; Fig. 9 is the rearview of this embodiment, and circle distribution has 4 semi-piercing boss on the coulisse 10, is used for being connected with the seat support connecting plate of seat, and then is connected with seat support.
In the above-described embodiments, only providing the design of two slide blocks and two wedges, but be not limited only to two slide blocks and two wedges, can also be three slide blocks, three wedges, or more slide block, wedge are realized device of the present utility model.
Device of the present utility model can be after the angular adjustment of seat, each wedge 9 have two sections of symmetry corresponding from locking face 29 from locking face 30 with slide block 25, formation two point locking.When ratchet ratchet 28 and slide block ratchet 6 are relative, come driving cam 4 to rotate by the power of external force and spiral type back-moving spring 27, thereby the locking or the release of control slide block 25 and ratchet 2 realize the adjusting of backrest angle; Two sections uniform ratchet ratchets 28 and two sections uniform ratchet planing surfaces 26 are arranged on the ratchet 2, when ratchet planing surface 26 and slide block ratchet 6 are relative, can realize the fast folding of backrest, by sheath 1 above-mentioned part is connected firmly and to form a relatively independent device together, non-dismountable, non-maintaining, this device can be used for different vehicles according to user's the different connecting plate of requirement design, has very strong versatility.The utility model also has compact conformation, and volume is little, the intensity height, and bilateral release performance is good, and the degree of regulation advantages of higher can realize easily that backrest angle is regulated and the fast folding function of backrest.
For device of the present utility model, all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. chair angle adjusting device, it is characterized in that, comprising: cam (4), back-moving spring (27), coulisse (10), ratchet (2), central shaft (17), have two slide blocks (25), have two from locking face (30) wedge (9) from locking face (29);
Cam (4), back-moving spring (27), coulisse (10), ratchet (2), coulisse (10) are connected with central shaft (17), slide block (25) is connected with coulisse (10), wedge (9) is in the chute (11) of coulisse (10), the boss (18) of wedge (9) is connected with the chute (19) of cam (4)
Slide block (25) form 2 lockings from locking face (29) and wedge (9) from locking face (30).
2. device according to claim 1 is characterized in that, described cam (4), back-moving spring (27) be connected with central shaft (17) for:
The interior side (24) of the square hole (20) of cam (4), (27) of back-moving spring forms the axle connection by the foreign side (32) of central shaft (17).
3. device according to claim 1 is characterized in that, slide block (25) also has slide block ratchet (6), and ratchet (2) also has ratchet ratchet (28),
After central shaft (17) rotation, slide block ratchet (6) is thrown off with ratchet ratchet (28); Back-moving spring (27) drives cam (4) and resets by central shaft (17) after, ratchet ratchet (28) and slide block ratchet (6) engagement, slide block (25) form locking from locking face (29) and wedge (9) from locking face (30).
4. device according to claim 3 is characterized in that, ratchet (2) also has after back-moving spring (27) resets by central shaft (17) drive cam (4), with the contacted ratchet planing surface of ratchet ratchet (6) (26).
5. device according to claim 1 is characterized in that, ratchet has the boss that is connected with chair back connecting plate on (2).
6. device according to claim 1 is characterized in that, coulisse has the boss that is connected with the seat support connecting plate on (10).
7. device according to claim 1 is characterized in that, this device also comprises the sheath (1) that ratchet (2), coulisse (10) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200057838U CN201026016Y (en) | 2007-02-16 | 2007-02-16 | Device for regulating chair angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200057838U CN201026016Y (en) | 2007-02-16 | 2007-02-16 | Device for regulating chair angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201026016Y true CN201026016Y (en) | 2008-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200057838U Expired - Fee Related CN201026016Y (en) | 2007-02-16 | 2007-02-16 | Device for regulating chair angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201026016Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101548827A (en) * | 2008-04-01 | 2009-10-07 | 德鱼塔工业股份有限公司 | Seat reclining mechanism |
| CN102144857A (en) * | 2011-02-24 | 2011-08-10 | 湖北中航精机科技股份有限公司 | Seat and backrest angle adjusting device thereof |
| CN103079883A (en) * | 2010-09-01 | 2013-05-01 | 白木工业株式会社 | Reclining device |
| CN104257140A (en) * | 2014-10-21 | 2015-01-07 | 浙江永艺家具股份有限公司 | Angle adjusting device of chair pedal |
| CN106314219A (en) * | 2016-09-09 | 2017-01-11 | 湖北中航精机科技有限公司 | Angle adjustment device and seat with same angle adjustment device |
| WO2023024194A1 (en) * | 2021-08-23 | 2023-03-02 | 浙江普莱得电器股份有限公司 | Rotating mechanism and handheld tool |
-
2007
- 2007-02-16 CN CNU2007200057838U patent/CN201026016Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101548827A (en) * | 2008-04-01 | 2009-10-07 | 德鱼塔工业股份有限公司 | Seat reclining mechanism |
| CN103079883A (en) * | 2010-09-01 | 2013-05-01 | 白木工业株式会社 | Reclining device |
| CN102144857A (en) * | 2011-02-24 | 2011-08-10 | 湖北中航精机科技股份有限公司 | Seat and backrest angle adjusting device thereof |
| CN102144857B (en) * | 2011-02-24 | 2012-11-21 | 湖北中航精机科技股份有限公司 | Seat and backrest angle adjusting device thereof |
| CN104257140A (en) * | 2014-10-21 | 2015-01-07 | 浙江永艺家具股份有限公司 | Angle adjusting device of chair pedal |
| CN106314219A (en) * | 2016-09-09 | 2017-01-11 | 湖北中航精机科技有限公司 | Angle adjustment device and seat with same angle adjustment device |
| CN106314219B (en) * | 2016-09-09 | 2019-03-08 | 湖北中航精机科技有限公司 | A kind of angle adjustment device and the seat with the angle adjustment device |
| WO2023024194A1 (en) * | 2021-08-23 | 2023-03-02 | 浙江普莱得电器股份有限公司 | Rotating mechanism and handheld tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20120216 |