CN103625318B - A kind of barbed chair and angle regulator thereof - Google Patents
A kind of barbed chair and angle regulator thereof Download PDFInfo
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- CN103625318B CN103625318B CN201310692777.4A CN201310692777A CN103625318B CN 103625318 B CN103625318 B CN 103625318B CN 201310692777 A CN201310692777 A CN 201310692777A CN 103625318 B CN103625318 B CN 103625318B
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- housing
- angle regulator
- boss
- self
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Abstract
The invention discloses a kind of angle regulator for barbed chair, this angle regulator comprises adjusting angle mechanism, self-locking mechanism and the axial positioning elements for realizing self-locking mechanism axial location; Wherein, the internal gear of adjusting angle mechanism is provided with some boss towards the side of self-locking mechanism, and the housing periphery of self-locking mechanism offers the groove mated with boss; Groove and boss free-running fit, and the bottom minor increment of two grooves relative to the axle center symmetry of housing, be less than the minor increment between corresponding boss; Angle regulator also comprises axial positioning elements, and adjusting angle mechanism is fixed in one end of axial positioning elements, and its other end axial restraint, radial direction are movably installed in housing.Like this, avoid the movement interference between voussoir and housing, improve the functional stabilization of angular adjustment apparatus.The invention also discloses a kind of barbed chair comprising above-mentioned angle regulator.
Description
Technical field
The present invention relates to chair angle regulation technology field, particularly a kind of angle regulator for barbed chair.The invention still further relates to a kind of barbed chair comprising above-mentioned angle regulator.
Background technology
In order to strengthen the traveling comfort of seat, the seat of adjustable backrest angle obtains to be applied more and more widely, especially the use on automobile is very general, and backrest can be adjusted to optimum position by the angle regulator arranged on the seat by chaufeur and passenger.
At present, the mode of angle regulator many employings Planetary Gear Transmission realizes angular adjustment.As depicted in figs. 1 and 2, a kind of typical angle regulator 11 is arranged between backrest 12 and base 13, comprises adjusting angle mechanism 111 and self-locking mechanism 112; Wherein, adjusting angle mechanism 111 adopts Planetary Gear Transmission principle, realizes the rotation of backrest 12 relative to base 13 by driving its drive element; Axle drive shaft, locking cam and two groups of wedge assemblies that self-locking mechanism 112 comprises housing 1121 and is arranged in housing 1121, locking cam is fixedly connected with housing, one end of axle drive shaft is plugged in housing and is fixedly connected with two groups of wedge assemblies, the other end is connected with the handwheel outside housing, axle drive shaft rotates under the drive of handwheel, drive two groups of wedge assemblies to move relative to locking cam, thus between housing and locking cam, set up locking relation by wedge assemblies.
As shown in Figures 3 to 5, the many modes by welding of traditional angle regulator realize being fixedly connected with of adjusting angle mechanism and self-locking mechanism, particularly, directly welded by the housing of self-locking mechanism be connected with adjusting angle mechanism.
As shown in Figure 6, adopt this kind to be fixedly connected with self-locking mechanism that mode connects and the degree of freedom that adjusting angle mechanism is gone up in any direction are all restricted, and due to the existence of the manufacturing errors of part and assembly error etc., the centre hole center O ' of the internal gear 1111 in the inner diameter central O of self-locking mechanism middle shell and adjusting angle mechanism can be caused to there is comparatively significantly coaxiality error; When this coaxiality error exceed voussoir depart from housing discharge space time, voussoir and housing inner diameter can be caused to there is movement interference, cause the operation moment of torsion of handwheel increase or stuck, have impact on the adjustment of chair angle.
Therefore, coaxiality error between the center how reducing even to eliminate the internal gear centre hole in the inner diameter central of self-locking mechanism middle shell and adjusting angle mechanism, thus avoid the movement interference between voussoir and housing, improving the functional stabilization of angular adjustment apparatus, needing the problem of solution with regard to becoming those skilled in the art badly.
Summary of the invention
The object of this invention is to provide a kind of angle regulator for barbed chair, its adjusting angle mechanism and self-locking mechanism have suitable diameter clearance, both can finely tune diametrically, coaxiality error between the center eliminating the internal gear centre hole in the inner diameter central of self-locking mechanism middle shell and adjusting angle mechanism, thus avoid the movement interference between voussoir and housing, improve the functional stabilization of angular adjustment apparatus.Another object of the present invention is to provide a kind of barbed chair comprising above-mentioned angle regulator.
For solving the problems of the technologies described above, the invention provides a kind of angle regulator for barbed chair, comprise adjusting angle mechanism and self-locking mechanism, the internal gear of described adjusting angle mechanism is provided with some boss towards the side of described self-locking mechanism, and the housing periphery of described self-locking mechanism offers the groove mated with described boss; Described groove and described boss free-running fit, and relative to described housing axle center symmetry two described in the bottom minor increment of groove, be less than the minor increment between corresponding described boss; Described angle regulator also comprises axial positioning elements, and described adjusting angle mechanism is fixed in one end of described axial positioning elements, and its other end axial restraint, radial direction are movably installed in described housing.
Preferably, described axial positioning elements is annular compression ring, the periphery of described annular compression ring is provided with the first connecting portion and second connecting portion of some alternate layouts, described first connecting portion is fixed on described adjusting angle mechanism, described second connecting portion axial compression connection is in the outer rim of described housing, and the endoporus aperture of described annular compression ring is greater than the external diameter of described housing.
Preferably, described first connecting portion is fixedly installed in the upper surface of described boss towards described self-locking mechanism.
Preferably, described first connecting portion is welded in the upper surface of described boss.
Preferably, described second connecting portion fits towards surface away from described adjusting angle mechanism of the surface of described adjusting angle mechanism and described housing.
Preferably, described axial positioning elements offers some guide grooves, and described guide groove extends along the radial direction of described housing, described housing is provided with the guide finger matched with described guide groove, described guide finger is installed on described guide groove, and slides along described guide groove.
Preferably, described axial positioning elements is loop configuration, and described guide groove is opened in the sidewall of described loop configuration, and the endoporus aperture of described annular mechanism is greater than the external diameter of described housing.
The present invention also provides a kind of barbed chair, the angle regulator comprising base, backrest and be installed between described base and described backrest, and described angle regulator is angle regulator as above.
Angle regulator provided by the present invention is used for barbed chair, and this angle regulator comprises adjusting angle mechanism, self-locking mechanism and the axial positioning elements for realizing self-locking mechanism axial location; Wherein, the internal gear of adjusting angle mechanism is provided with some boss towards the side of self-locking mechanism, and the housing periphery of self-locking mechanism offers the groove mated with boss; Groove and boss free-running fit, and the bottom minor increment of two grooves relative to the axle center symmetry of housing, be less than the minor increment between corresponding boss, to ensure that, under the promotion of location voussoir, groove can move radially relative to boss; Angle regulator also comprises axial positioning elements, and adjusting angle mechanism is fixed in one end of axial positioning elements, and its other end axial restraint, radial direction are movably installed in housing, so that under the prerequisite not affecting radial degree of freedom, realizes the axial location of self-locking mechanism.
In seat angular adjustment process, if there is the situation of coaxiality error in the generation center of housing and the center of internal gear, because housing and adjusting angle mechanism degree of freedom diametrically is not limited, the self-locking voussoir be arranged on housing will drive housing relative to internal gear radial motion, thus the center of housing and the center of internal gear are adjusted to suitable position under the effect of locking cam; Like this, adjusting angle mechanism and self-locking mechanism have suitable diameter clearance, both can finely tune diametrically, coaxiality error between the center eliminating the internal gear centre hole in the inner diameter central of self-locking mechanism middle shell and adjusting angle mechanism, thus avoid the movement interference between voussoir and housing, improve the functional stabilization of angular adjustment apparatus.Simultaneously, adopt axial positioning elements stationary housing relative to the axial location of adjusting angle mechanism, and by boss that internal gear is arranged to the restriction of housing upper groove, limit the tangential degree of freedom of housing relative to adjusting angle mechanism, under making housing be merely able to the torsional interaction provided at locking cam, moving radially at housing, ensure that the installation reliability of housing and adjusting angle mechanism.
In a kind of detailed description of the invention, axial positioning elements provided by the present invention is annular compression ring, the periphery of this annular compression ring is provided with some first connecting portions and the second connecting portion, annular compression ring is set in outside housing, and the endoporus aperture of annular compression ring is greater than the external diameter of housing, the endoporus of annular compression ring and housing sidewall free-running fit, the first connecting portion circumference that be arranged in annular compression ring alternate with the second connecting portion, two connecting portions stagger in the axial direction, to be fixed on adjusting angle mechanism by the first connecting portion, the outer rim of housing is arranged at by the second connecting portion axial compression connection or gap, like this, realized the axial restraint of housing by the form of annular compression ring, force in housing at circumferential uniform throughout, improve the uniform force of housing, ensure that the accuracy of axial location.
In another kind of detailed description of the invention, annular compression ring provided by the present invention, its first connecting portion is fixedly installed in the upper surface of boss towards self-locking mechanism, due to boss relative to other parts of adjusting angle mechanism more near self-locking mechanism, the upper surface first connecting portion being fixed on boss reduces the outreach of the first connecting portion relative to the second connecting portion, thus simplify the structure of annular compression ring, and reduce the installation difficulty of annular compression ring on adjusting angle mechanism.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of existing seat;
Fig. 2 is the exploded view of angle regulator in seat shown in Fig. 1;
Fig. 3 is the assembly drowing of angle regulator shown in Fig. 2;
Fig. 4 is the cutaway view in B-B direction in Fig. 3;
Fig. 5 is the enlarged drawing of part A in Fig. 4;
Fig. 6 is casing center and internal gear centre hole center schematic diagram when there is coaxiality error;
Fig. 7 is the structural representation of a kind of detailed description of the invention of angle regulator provided by the present invention;
Fig. 8 is the assembly drowing of angle regulator shown in Fig. 7;
Fig. 9 is the structural representation of a kind of installation site of annular compression ring provided by the present invention;
Figure 10 is the cutaway view in C-C direction in Fig. 9;
Figure 11 is the structural representation of the another kind of installation site of annular compression ring provided by the present invention;
Figure 12 is the cutaway view in D-D direction in Figure 11.
Detailed description of the invention
Core of the present invention is to provide a kind of angle regulator for barbed chair, its adjusting angle mechanism and self-locking mechanism have suitable diameter clearance, both can finely tune diametrically, coaxiality error between the center eliminating the internal gear centre hole in the inner diameter central of self-locking mechanism middle shell and adjusting angle mechanism, thus avoid the movement interference between voussoir and housing, improve the functional stabilization of angular adjustment apparatus.Another core of the present invention is to provide a kind of barbed chair comprising above-mentioned angle regulator.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 7 and Fig. 8, Fig. 8 is the structural representation of a kind of detailed description of the invention of angle regulator provided by the present invention; Fig. 9 is the assembly drowing of angle regulator shown in Fig. 8.
Angle regulator provided by the present invention is used for barbed chair, and this angle regulator comprises adjusting angle mechanism 2, self-locking mechanism 3 and the axial positioning elements for realizing self-locking mechanism 3 axial location; Wherein, the internal gear 21 of adjusting angle mechanism 2 is provided with some boss 22 towards the side of self-locking mechanism 3, and housing 31 periphery of self-locking mechanism 3 offers the groove 32 mated with boss 22; Groove 32 and boss 22 free-running fit, namely the radius R 1 of boss 22 is less than the arc radius R2 of groove 32, and the bottom minor increment L2 of two grooves 32 centrosymmetric relative to housing 31, be less than the minor increment L1 between corresponding boss 22, to ensure that, under the promotion of location voussoir, groove 32 can move radially relative to boss 22; Angle regulator also comprises axial positioning elements, adjusting angle mechanism 2 is fixed in one end of axial positioning elements, its other end axial restraint, radial direction are movably installed in housing 31, so that under the prerequisite not affecting radial degree of freedom, realize the axial location of self-locking mechanism 3.
Above-mentioned corresponding boss 22 refers to and two boss that centrosymmetric two grooves 32 mate respectively.
It is pointed out that the adjusting angle mechanism 2 of angle regulator provided by the present invention is traditional planetary gear type adjusting angle mechanism 2, its structure and principle of work same as the prior art, do not repeat them here; Self-locking mechanism 3 provided by the present invention comprises other structures that can realize self-locking simultaneously, such as, be arranged at the axle drive shaft in volume housing 31, locking cam and self-locking voussoir etc.
In seat angular adjustment process, if there is the situation of coaxiality error in the generation center of housing 31 and the center of internal gear 21, because housing 31 and adjusting angle mechanism degree of freedom diametrically are not limited, the self-locking voussoir be arranged on housing 31 will drive housing 31 relative to internal gear 21 radial motion, thus the center of the center of housing 31 and internal gear 21 is adjusted to suitable position under the effect of locking cam; Like this, adjusting angle mechanism 2 and self-locking mechanism 3 have suitable diameter clearance, both can finely tune diametrically, coaxiality error between the center eliminating internal gear 21 centre hole in the inner diameter central of self-locking mechanism 3 middle shell 31 and adjusting angle mechanism 2, thus avoid the movement interference between voussoir and housing 31, improve the functional stabilization of angular adjustment apparatus.Simultaneously, adopt axial positioning elements stationary housing 31 relative to the axial location of adjusting angle mechanism 2, and pass through the restriction of boss 22 pairs of housing 31 upper grooves 32 that internal gear 21 is arranged, limit the tangential degree of freedom of housing 31 relative to adjusting angle mechanism 2, under making housing 31 be merely able to the torsional interaction provided at locking cam, moving radially of housing 31, ensure that the installation reliability of housing 31 and adjusting angle mechanism 2.
In a kind of detailed description of the invention, axial positioning elements provided by the present invention is annular compression ring 4, annular compression ring 4 is set in outside housing 31, and the endoporus aperture of annular compression ring 4 is greater than the external diameter of housing 31, the endoporus of annular compression ring 4 coordinates with housing 31 sidewall spacers, the periphery of this annular compression ring 4 is provided with some first connecting portion 41 and the second connecting portions 42, first connecting portion 41 circumference that be arranged in annular compression ring 4 alternate with the second connecting portion 42, two connecting portions stagger in the axial direction, to be fixed on adjusting angle mechanism 2 by the first connecting portion 41, the outer rim of housing 31 is arranged at by the second connecting portion 42 axial compression connection or gap, like this, realized the axial restraint of housing 31 by the form of annular compression ring 4, force in housing 31 at circumferential uniform throughout, improve the uniform force of housing 31, ensure that the accuracy of axial location.
The endoporus of annular compression ring 4 coordinates with housing 31 sidewall spacers, apparently, gap between endoporus and housing 31 should be able to the error amount of floating of housing case center and internal gear central coaxial degree, the concrete numerical value in gap between this endoporus and housing 31 sidewall should be determined according to the actual specification of angle regulator and operating needs, does not repeat them here.
As shown in Figure 9 and Figure 10, above-mentioned first connecting portion 41 can be fixedly installed in the upper surface of boss 22 towards self-locking mechanism 3, due to boss 22 relative to other parts of adjusting angle mechanism 2 more near self-locking mechanism 3, the upper surface first connecting portion 41 being fixed on boss 22 reduces the outreach of the first connecting portion 41 relative to the second connecting portion 42, thus simplify the structure of annular compression ring 4, and reduce the installation difficulty of annular compression ring 4 on adjusting angle mechanism 2.
Apparently, the first connecting portion 41 is also not limited to the upper surface being fixed on boss 22, and it also can be installed on other fixed parts of adjusting angle mechanism 2, such as is illustrated by figs. 11 and 12, the first connecting portion 41 is installed on the surface etc. of internal gear 21.
First connecting portion 41 can be welded in the upper surface of described boss 22, also can by this area conventional use other be fixedly connected with the connection that mode realizes the first connecting portion 41 and boss 22, such as clamp or bolt connection etc.
Above-mentioned second connecting portion 42 fits towards surface away from adjusting angle mechanism of the surface of adjusting angle mechanism 2 and housing 31, second connecting portion 42 fits can realize axial location preferably with housing 31, meanwhile, there is not the relation of being fixedly connected with in both, can not limit moving radially of housing 31; Apparently, the second connecting portion 42 also can and housing 31 between there is suitable gap.Apparently, above-mentioned second connecting portion 42 also can and housing 31 between there is suitable axial distance.
From theory, axial positioning elements is also not limited to the form of above-mentioned annular compression ring 4, also can for realizing axial location, radial other structures moveable.
In another kind of detailed description of the invention, axial positioning elements provided by the present invention offers some guide grooves, and guide groove extends along the radial direction of housing 31, housing 31 is provided with the guide finger matched with guide groove, guide finger is installed on guide groove, and slides along described guide groove; When there is coaxiality deviation, self-locking voussoir promotes housing 31 and moves, and then promotion guide finger moves radially in guide groove, thus realizes the radial direction adjustment in certain limit.
Above-mentioned axial positioning elements is loop configuration, and guide groove is opened in the sidewall of described loop configuration, and the endoporus aperture of described annular mechanism is greater than the external diameter of described housing 31, evenly to push down housing 31 in the circumferential.
Apparently, the axial positioning elements provided in this kind of detailed description of the invention is merely able to the adjustment realized in guide direction, and setting range is obviously less than the first concrete mode, only alternatively.
It is pointed out that ordinal numbers such as " first, second " described in literary composition is the different structure in order to distinguish same names, only for convenience, not representing certain order, more should not be construed as any restriction.
Except above-mentioned angle regulator, the present invention also provides a kind of barbed chair comprising above-mentioned angle regulator, and other Each part of this barbed chair please refer to prior art, do not repeat them here.
Above a kind of barbed chair provided by the present invention and angle regulator thereof are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (8)
1. the angle regulator for barbed chair, comprise adjusting angle mechanism (2) and self-locking mechanism (3), the internal gear (21) of described adjusting angle mechanism (2) is provided with some boss (22) towards the side of described self-locking mechanism (3), and housing (31) periphery of described self-locking mechanism (3) offers the groove (32) mated with described boss (22); It is characterized in that, described groove (32) and described boss (22) free-running fit, and relative to the bottom minor increment of groove (32) described in described housing (31) centrosymmetric two, be less than the minor increment between corresponding described boss (22); Described angle regulator also comprises axial positioning elements, and described adjusting angle mechanism (2) is fixed in one end of described axial positioning elements, and its other end axial restraint, radial direction are movably installed in described housing (31).
2. the angle regulator for barbed chair according to claim 1, it is characterized in that, described axial positioning elements is annular compression ring (4), the periphery of described annular compression ring (4) is provided with the first connecting portion (41) and second connecting portion (42) of some alternate layouts, described first connecting portion (41) is fixed on described adjusting angle mechanism (2), described second connecting portion (42) axial compression connection is in the outer rim of described housing (31), and the endoporus aperture of described annular compression ring (4) is greater than the external diameter of described housing (31).
3. the angle regulator for barbed chair according to claim 2, is characterized in that, described first connecting portion (41) is fixedly installed in the upper surface (221) of described boss (22) towards described self-locking mechanism (3).
4. the angle regulator for barbed chair according to claim 3, is characterized in that, described first connecting portion (41) is welded in the upper surface of described boss (22).
5. the angle regulator for barbed chair according to claim 2, is characterized in that, described second connecting portion (42) fits towards surface away from described adjusting angle mechanism of the surface of described adjusting angle mechanism (2) and described housing (31).
6. the angle regulator for barbed chair according to claim 1, it is characterized in that, described axial positioning elements offers some guide grooves, described guide groove extends along the radial direction of described housing (31), described housing (31) is provided with the guide finger matched with described guide groove, described guide finger is installed on described guide groove, and slides along described guide groove.
7. the angle regulator for barbed chair according to claim 6, it is characterized in that, described axial positioning elements is loop configuration, and described guide groove is opened in the sidewall of described loop configuration, and the endoporus aperture of described annular mechanism is greater than the external diameter of described housing (31).
8. a barbed chair, the angle regulator comprising base, backrest and be installed between described base and described backrest, is characterized in that, described angle regulator is the angle regulator as described in any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310692777.4A CN103625318B (en) | 2013-12-17 | 2013-12-17 | A kind of barbed chair and angle regulator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310692777.4A CN103625318B (en) | 2013-12-17 | 2013-12-17 | A kind of barbed chair and angle regulator thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103625318A CN103625318A (en) | 2014-03-12 |
| CN103625318B true CN103625318B (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310692777.4A Active CN103625318B (en) | 2013-12-17 | 2013-12-17 | A kind of barbed chair and angle regulator thereof |
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| Country | Link |
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| CN (1) | CN103625318B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108634662A (en) * | 2018-07-19 | 2018-10-12 | 深圳市悠睿科技有限公司 | A kind of seat reclining device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318806B1 (en) * | 1998-12-01 | 2001-11-20 | Bertrand Faure Equipements Sa | Vehicle seat having a pivot mechanism |
| CN201468560U (en) * | 2009-07-04 | 2010-05-19 | 湖北中航精机科技股份有限公司 | Angle modulation apparatus for chair and chair with such angle modulation apparatus |
| CN102046413A (en) * | 2008-06-13 | 2011-05-04 | 布罗斯尔汽车零件科堡两合公司 | Adjustment fitting |
| CN102101450A (en) * | 2009-12-22 | 2011-06-22 | C.劳勃.汉默斯坦两合有限公司 | Swining butt-jointing matching device used for adjusting device of automotive chair, particularly for butt-jointing matching device of backrest |
| CN202827204U (en) * | 2012-09-04 | 2013-03-27 | 上海延锋江森座椅有限公司 | Adjusting device of automobile seat electric angle adjustor |
| CN203601062U (en) * | 2013-12-17 | 2014-05-21 | 湖北中航精机科技有限公司 | Adjustable seat and angle adjusting device thereof |
-
2013
- 2013-12-17 CN CN201310692777.4A patent/CN103625318B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318806B1 (en) * | 1998-12-01 | 2001-11-20 | Bertrand Faure Equipements Sa | Vehicle seat having a pivot mechanism |
| CN102046413A (en) * | 2008-06-13 | 2011-05-04 | 布罗斯尔汽车零件科堡两合公司 | Adjustment fitting |
| CN201468560U (en) * | 2009-07-04 | 2010-05-19 | 湖北中航精机科技股份有限公司 | Angle modulation apparatus for chair and chair with such angle modulation apparatus |
| CN102101450A (en) * | 2009-12-22 | 2011-06-22 | C.劳勃.汉默斯坦两合有限公司 | Swining butt-jointing matching device used for adjusting device of automotive chair, particularly for butt-jointing matching device of backrest |
| CN202827204U (en) * | 2012-09-04 | 2013-03-27 | 上海延锋江森座椅有限公司 | Adjusting device of automobile seat electric angle adjustor |
| CN203601062U (en) * | 2013-12-17 | 2014-05-21 | 湖北中航精机科技有限公司 | Adjustable seat and angle adjusting device thereof |
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| CN103625318A (en) | 2014-03-12 |
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