CN109808761B - Angle-adjustable armrest device - Google Patents
Angle-adjustable armrest device Download PDFInfo
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- CN109808761B CN109808761B CN201910203954.5A CN201910203954A CN109808761B CN 109808761 B CN109808761 B CN 109808761B CN 201910203954 A CN201910203954 A CN 201910203954A CN 109808761 B CN109808761 B CN 109808761B
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Abstract
The invention discloses an angle-adjustable handrail, which comprises a first fixed seat, a second fixed seat, a connecting rod, a rotary joint, a locking device, an elastic element and a pin, wherein the first fixed seat is fixed on the first fixed seat; the first fixing seat and the second fixing seat are fixedly connected to two ends of the connecting rod; the two rotary joints are respectively arranged at two ends of the connecting rod, one rotary joint is arranged at the outer side of the first fixing seat, and the other rotary joint is arranged at the inner side of the second fixing seat; the locking device comprises a handle body and an eccentric shaft which are fixedly connected with each other, and is connected to the left end of the connecting rod and positioned at the outer side of a rotary joint; the two elastic elements are respectively positioned between the first fixed seat and the rotary joint and between the second fixed seat and the rotary joint; the pin is connected to the left end of the connecting rod; through rotating the handle body, the abutting position between the eccentric shaft and the pin is changed, so that the fit clearance between the two rotary joints and the first fixing seat and the second fixing seat respectively is changed, and the angle adjustment of the two rotary joints relative to the first fixing seat and the second fixing seat respectively is realized.
Description
Technical Field
The present invention relates to armrest apparatuses, and particularly to an angle-adjustable armrest apparatus.
Background
The conventional armrest device is fixed, but cannot be adjusted according to the stature, arm length and custom bending angle of the user, so that the armrest device capable of adjusting the moving position and angle to increase comfort is available on the market, as shown in fig. 1, the stroller comprises a seat portion 1', a connecting rod 2', a pushing handle portion 3' and wheels 4', wherein a protruding point 31' and a plurality of corresponding concave portions 21' are respectively arranged on the stroller portion 3' and the connecting rod 2', and the protruding point 31' is engaged with different concave portions 21' to achieve temporary positioning effect of different heights, however, because the concave portions 21' are fixed and the position of each concave portion 21' has a certain interval, if the most comfortable height of the user is just between the two concave portions 21', the user can only bend to a less comfortable height.
In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide an angle-adjustable armrest device which can adjust different angles according to the stature, the arm length and the custom bending degree of a user so as to improve the comfort of the user.
The solution of the invention is as follows: the device comprises a first fixing seat, a second fixing seat, a connecting rod, a rotary joint, a locking device, an elastic element and a pin;
the first fixing seat comprises a first connecting part and a first positioning part which are fixedly connected with the frame, a first through hole for penetrating the connecting rod is formed in the middle of the end face of the first positioning part, and a first tooth-shaped part is arranged on the outer end face of the first positioning part;
the second fixing seat comprises a second connecting part and a second positioning part which are mutually fixedly connected with the frame, a blind hole for penetrating the connecting rod is formed in the middle of the end face of the second positioning part, and a second tooth-shaped part is formed in the inner end face of the second positioning part;
the left end and the right end of the connecting rod respectively penetrate through the first through hole of the first positioning part and the blind hole of the second positioning part and are fixedly connected with the first through hole and the blind hole of the second positioning part, and the left end of the connecting rod extends outwards to form a connecting seat;
the two rotary joints are respectively arranged at two ends of the connecting rod, one rotary joint is arranged at the outer side of the first fixing seat, the other rotary joint is arranged at the inner side of the second fixing seat, the rotary joint comprises a third connecting part and a third positioning part which are fixedly connected with the handrail, a second through hole for penetrating the connecting rod is formed in the middle of the end face of the third positioning part, the two third positioning parts are respectively provided with a third tooth-shaped part on the end faces facing the first positioning part and the second positioning part, and the third tooth-shaped parts can be respectively meshed with the corresponding first tooth-shaped part and the second tooth-shaped part;
the locking device comprises a handle body and an eccentric shaft, the eccentric shaft is provided with an eccentric shaft part, the end part of the eccentric shaft is fixedly connected with the handle body, the locking device is arranged at the left end of the connecting rod and positioned at the outer side of a rotary joint, and the shaft part of the eccentric shaft sequentially passes through the end part of the handle body and a third through hole arranged at the top of the connecting seat to enable the locking device to be connected with the connecting seat;
the two elastic elements are respectively positioned between the first fixed seat and the rotary joint and between the second fixed seat and the rotary joint;
the pin is arranged in a fourth through hole formed in the outer side end surface of the connecting seat;
through the arrangement, the abutting position between the eccentric section of the eccentric shaft part and the pin is changed by rotating the handle body, so that the two third positioning parts respectively move along the directions separating from the first positioning part and the second positioning part under the action of elastic restoring force generated by the elastic element, and the two third positioning parts are respectively disengaged from the first positioning part and the second positioning part, thereby realizing the angle adjustment of the two third positioning parts relative to the first positioning part and the second positioning part.
Preferably, the pin is adjusted in axial position along the connecting rod.
By adjusting the axial position of the pin, the distance between the two third positioning parts relative to the first positioning part and the second positioning part can be adjusted.
Preferably, an annular groove is formed in the radial position of the eccentric section of the eccentric shaft portion, and the tip of the pin just abuts against the annular groove, so that the pin and the eccentric shaft form a more stable end support by adopting the design.
Preferably, one end of the handle body is provided with a hinge part, the shaft part of the eccentric shaft sequentially penetrates through the end part of the handle body and the third through hole arranged at the top of the connecting seat), so that the end part of the eccentric shaft is fixedly connected to the hinge part of the handle body, the shaft part of the eccentric shaft can be rotatably connected to the third through hole of the connecting seat, specifically, the hinge part of the handle body consists of a first pivot seat and a second pivot seat which are arranged at intervals along the height direction of the handle body, the tops of the first pivot seat and the second pivot seat are respectively provided with a fifth through hole and a sixth through hole, the axes of the fifth through hole and the sixth through hole are overlapped, the shaft part of the eccentric shaft sequentially passes through the fifth through hole, the third through hole and the sixth through hole, so that the end part of the eccentric shaft is mutually fixedly connected with the first pivot seat, and the eccentric section of the shaft part of the eccentric shaft is positioned in the third through hole of the connecting seat. By adopting the design, the abutting position between the eccentric section of the pin and the eccentric shaft part and the pin is changed by rotating the handle body, so that the fit clearance between the first positioning part and the third positioning part and the fit clearance between the second positioning part and the third positioning part are changed, and the angle adjustment of the two third positioning parts relative to the first positioning part and the second positioning part is realized.
Preferably, a spacer is additionally arranged between the third positioning parts and the hinge part of the handle body, and the distance between the two third positioning parts relative to the first positioning parts and the second positioning parts can be adjusted by adjusting the thickness of the spacer. More preferably, by providing a plane on the inner end surface of the hinge portion of the handle body, the plane abuts against the outer end surface or the spacer of the third positioning portion of the rotary joint, and by adopting the above design, the end support of the handle body and the third positioning portion is enhanced.
Preferably, the opposite end surfaces of the first positioning part and the third positioning part are both open ends, the central parts of the inner end surfaces of the first positioning part and the third positioning part form a first positioning column and a third positioning column respectively along opposite directions, the opposite end surfaces of the second positioning part and the other third positioning part are both open ends, the central parts of the inner end surfaces of the second positioning part and the third positioning part form a second positioning column and a third positioning column respectively along opposite directions, the first positioning column, the second positioning column and the third positioning column are respectively provided with a through hole for penetrating the connecting rod, and the two elastic elements are respectively sleeved on the first positioning column and the third positioning column, and the second positioning column and the third positioning column. By adopting the design, the two elastic elements are more stably placed between the first positioning part and the third positioning part and between the second positioning part and the third positioning part, and the first positioning column, the second positioning column and the third positioning column play a role in supporting the elastic elements.
Drawings
The detailed description given as non-limiting examples better explain what the invention comprises and can be implemented with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a prior art armrest apparatus;
FIG. 2 is a schematic view of the present invention in an exploded state;
FIG. 3 is a perspective view of the assembled state of the present invention;
FIG. 4 is a combined elevation view of the present invention;
FIG. 5 is a cross-sectional view taken along the direction A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of the two third positioning portions of the present invention disengaged from the first positioning portion and the second positioning portion, respectively;
FIG. 7 is a schematic view of an eccentric shaft of the present invention;
FIG. 8 is an exploded view of the present invention and armrest;
fig. 9 is a schematic diagram showing the combination of the present invention and the armrest.
Detailed Description
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The invention is described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 2 and 3 show a specific structure of an angle-adjustable armrest apparatus according to the present invention, which includes a first fixing base 10, a second fixing base 20, a connecting rod 2, a rotary joint 3, a locking device 4, an elastic element 5, and a pin 6;
the first fixing base 10 includes a first connecting portion 101 and a first positioning portion 102, a long slot 1011 is formed at the top of the first connecting portion 101, a first through hole 103 is formed in the middle of the end surface of the first positioning portion 102, and a first tooth-shaped portion 104 is formed on the outer end surface of the first positioning portion 101.
The second fixing seat 20 comprises a second connecting portion 201 and a second positioning portion 202, a long slot 2011 is formed at the top of the second connecting portion 201, a blind hole 203 or a through hole (not shown) is formed in the middle of the end face of the second positioning portion 202, and preferably, the blind hole 203 is more attractive; a second tooth-shaped part 204 is arranged on the inner side end surface of the second positioning part 202;
two ends of a frame (not shown) are respectively inserted into the elongated slots 1011 and 2011 and fixedly connected with the first fixing base 10 and the second fixing base 20.
The left end and the right end of the connecting rod 2 respectively penetrate through and are fixedly connected with the first through hole 103 of the first positioning part 102 and the blind hole 203 or the through hole of the second positioning part 202, specifically, the tops of the two ends of the connecting rod 2 are respectively provided with a seventh through hole 22, the bottoms of the first positioning part 102 and the second positioning part 202 are respectively provided with an eighth through hole 106 and 206, a bolt 107 sequentially penetrates through the eighth through holes 106 and 206 and the seventh through hole 22, and the first positioning part 102 and the second positioning part 202 are fixedly connected to the two ends of the connecting rod; the left end of the connecting rod 2 extends outwards to form a connecting seat 21, the top of the connecting rod is provided with a third through hole 211, and the outer end surface of the connecting rod is provided with a fourth through hole 212.
Two rotary joints 3, which are respectively disposed at two ends of the connecting rod 2, one rotary joint 3 is disposed at the outer side of the first fixing seat 10, the other rotary joint 3 is disposed at the inner side of the second fixing seat 20, the rotary joint 3 includes a third connecting portion 31 and a third positioning portion 32, as shown in fig. 8 and 9, the third connecting portion 31 is composed of two rotary half covers 311, the armrest 100 is disposed in a receiving cavity 312 formed by the two rotary half covers 311 in a penetrating manner, and the armrest 100 is fixedly connected to the third connecting portion 31 through a pin shaft and a nut; the middle parts of the end surfaces of the two third positioning parts 32 are respectively provided with a second through hole 321, the left end and the right end of the connecting rod 2 are respectively penetrated in the second through hole 321, the end surfaces of the two third positioning parts 32 facing the first positioning part 102 and the second positioning part 202 are respectively provided with a third tooth-shaped part 322, and the third tooth-shaped part 322 can be respectively meshed with the corresponding first tooth-shaped part 104 and the second tooth-shaped part 204.
A locking device 4 disposed at the left end of the connecting rod 2 and located outside a third positioning portion 32, the locking device 4 comprising a handle body 7 and an eccentric shaft 8, the eccentric shaft 8 having an eccentric shaft portion; as shown in fig. 2, 5 and 6, one end of the handle body 7 is provided with a hinge portion 71, the shaft portion of the eccentric shaft 8 sequentially passes through the end portion of the handle body 7 and a third through hole 211 formed in the top of the connecting seat 21, so that the end portion of the eccentric shaft 8 is fixedly connected with the hinge portion 71 of the handle body 7, the shaft portion of the eccentric shaft 8 is rotatably connected with the third through hole 211 of the connecting seat 21, preferably, the hinge portion 71 of the handle body 7 is composed of a first pivot seat 72 and a second pivot seat 73 which are arranged at intervals along the height direction of the handle body 7, the top portions of the first pivot seat 72 and the second pivot seat 73 are respectively provided with a fifth through hole 721 and a sixth through hole 731, the shaft portion of the eccentric shaft 8 sequentially passes through the fifth through hole 721, the third through hole 211 and the sixth through hole 731, so that the end portion of the eccentric shaft 8 is fixedly connected with the first pivot seat 72, the eccentric section 81 of the shaft portion of the eccentric shaft 8 is positioned in the third through hole 211 of the connecting seat 21, the pin 6 is arranged in the fourth through hole 212 formed in the outer end face of the connecting seat 21, and the pin 6 is penetrated by the eccentric section 81 of the eccentric section of the eccentric shaft 8 and abuts against each other; preferably, in order to form a more stable end support of the pin 6 with the shaft eccentric section 81 of the eccentric shaft 8, as shown in fig. 7, the shaft eccentric section 81 of the eccentric shaft 8 is provided with an annular groove 811 at a radial position, the tip of the pin 6 abutting exactly in the annular groove 811. Preferably, the eccentric shaft 8 is fixed in the handle body 7 by coating a layer of glue on the outer end of the eccentric shaft 8, so that the first pivot portion 72 and the second pivot portion 73 of the eccentric shaft 8 and the handle body 7 rotate synchronously.
Preferably, in order to enhance the end support of the handle body 7 and the third positioning portion 32, the inner end face of the hinge portion 71 of the handle body 7 has a plane 74, which plane 74 abuts against the outer end face or the spacer 9 of the third positioning portion 32 of the swivel joint 3; more preferably, by adding a spacer 9 between the hinge portion 71 of the handle body 7 and the third positioning portion 32, the distance between the two third positioning portions 32 and the first positioning portion 102 and the second positioning portion 202 can be adjusted according to the thickness of the spacer 9, and the thicker the spacer 9, the smaller the distance between the two third positioning portions 32 and the first positioning portion 102 and the second positioning portion 202, respectively, and vice versa.
The two elastic elements 5 are respectively located between the first fixing seat 101 and the rotary joint 3 and between the second fixing seat 201 and the rotary joint 3, preferably, the opposite end surfaces of the first positioning portion 102 and the third positioning portion 32 are respectively set as open ends, the central portions of the inner end surfaces of the first positioning portion 102 and the third positioning portion 32 respectively form a first positioning column 105 and a third positioning column 323 along the opposite directions, the opposite end surfaces of the second positioning portion 202 and the other third positioning portion 32 are respectively set as open ends, the central portions of the inner end surfaces of the second positioning portion 202 and the third positioning portion 32 respectively form a second positioning column 205 and a third positioning column 323 along the opposite directions, the first positioning column 105, the second positioning column 205 and the third positioning column 323 are respectively provided with a through hole for penetrating the connecting rod 2, and the two elastic elements 5 are respectively sleeved on the first positioning column 105 and the third positioning column 323 and the second positioning column 205 and the third positioning column 323. With the above design, the two elastic elements 5 are more stably placed between the first positioning portion 102 and the third positioning portion 32, and between the second positioning portion 202 and the third positioning portion 32, and the first positioning post 105, the second positioning post 205, and the third positioning post 323 play a role in supporting the elastic elements 5.
Preferably, the axial position of the pin 6 along the connecting rod 2 is adjusted, and by adjusting the axial position of the pin 6, the distance between the two third positioning portions 32 and the first positioning portion 102 and the second positioning portion 202 can be adjusted, because the pin 6 is screwed out a little, the distance between the two third positioning portions 32 and the first positioning portion 102 and the second positioning portion 202 is larger, and vice versa.
As shown in fig. 5 and 6, according to the present invention, by rotating the adjusting portion 71 of the handle body 7 and adjusting the axial displacement of the pin 6, the abutting position between the eccentric section 81 of the shaft portion of the eccentric shaft 8 and the pin 6 is changed, so that the two third positioning portions 32 move along the direction separating from the first positioning portion 102 and the second positioning portion 202 under the elastic restoring force generated by the elastic element 5, respectively, and the two third positioning portions 32 are disengaged from the first positioning portion 102 and the second positioning portion 202, respectively, thereby realizing the angular adjustment of the two third positioning portions 32 relative to the first positioning portion 102 and the second positioning portion 202, and adjusting different angles according to the stature, arm length and custom bending degree of the user, so as to improve the comfort of the user
The above examples and illustrations are not intended to limit the form or style of the present invention, and any suitable changes and modifications to them by those skilled in the art should be construed as not departing from the scope of the present invention.
Claims (9)
1. An angle-adjustable armrest apparatus, characterized in that: the device comprises a first fixing seat (10), a second fixing seat (20), a connecting rod (2), a rotary joint (3), a locking device (4), an elastic element (5) and a pin (6);
the first fixing seat (10) comprises a first connecting part (101) and a first positioning part (102) which are fixedly connected with the frame, a first through hole (103) for penetrating the connecting rod (2) is formed in the middle of the end face of the first positioning part (102), and a first tooth-shaped part (104) is formed on the outer end face of the first positioning part (102);
the second fixing seat (20) comprises a second connecting part (201) and a second positioning part (202) which are fixedly connected with the frame, a blind hole (203) for penetrating the connecting rod (2) is formed in the middle of the end face of the second positioning part (202), and a second tooth-shaped part (204) is formed in the inner end face of the second positioning part (202);
the left end and the right end of the connecting rod (2) are respectively penetrated in the first through hole (103) of the first positioning part (102) and the blind hole (203) of the second positioning part (202) and fixedly connected with the first through hole and the blind hole, and the left end of the connecting rod (2) extends outwards to form a connecting seat (21);
two rotary joints (3) are respectively arranged at two ends of the connecting rod (2), one rotary joint (3) is arranged at the outer side of the first fixing seat (10), the other rotary joint (3) is arranged at the inner side of the second fixing seat (20), the rotary joint (3) comprises a third connecting part (31) and a third positioning part (32) which are fixedly connected with the handrail (100), a second through hole (321) for penetrating the connecting rod (2) is arranged in the middle of the end face of the third positioning part (32), and third tooth-shaped parts (322) are respectively arranged on the end faces facing the first positioning part (102) and the second positioning part (202), and the third tooth-shaped parts (322) can be respectively meshed with the corresponding first tooth-shaped parts (104) and the second tooth-shaped parts (204);
the locking device (4) comprises a handle body (7) and an eccentric shaft (8), wherein the eccentric shaft (8) is provided with an eccentric shaft part, the end part of the eccentric shaft is fixedly connected with the handle body (7), the locking device (4) is arranged at the left end of the connecting rod (2) and is positioned at the outer side of a rotary joint (3), and the shaft part of the eccentric shaft (8) sequentially penetrates through the end part of the handle body (7) and a third through hole (211) arranged at the top of the connecting seat (21) to enable the handle body (7) to be connected with the connecting seat (21);
two elastic elements (5) respectively positioned between the first fixed seat (10) and the rotary joint (3) and between the second fixed seat (20) and the rotary joint (3);
the pin (6) is arranged in a fourth through hole (212) formed in the outer side end surface of the connecting seat (21);
by rotating the handle body (7), the abutting position between the eccentric section (81) of the shaft part of the eccentric shaft (8) and the pin (6) is changed, so that the fit clearance between the first positioning part (102) and the third positioning part (32) and the fit clearance between the second positioning part (202) and the third positioning part (32) are changed, and the angle adjustment of the two third positioning parts (32) relative to the first positioning part (102) and the second positioning part (202) is realized.
2. An adjustable angle armrest apparatus as set forth in claim 1, wherein: the pin (6) is adjusted along the axial position of the connecting rod (2).
3. An adjustable angle armrest apparatus as set forth in claim 1, wherein: an annular groove (811) is formed in the radial position of the eccentric section (81) of the shaft part of the eccentric shaft (8), and the tip of the pin (6) just abuts against the annular groove (811).
4. An adjustable angle armrest apparatus as set forth in claim 1, wherein: one end of the handle body (7) is provided with a hinge part (71), the shaft part of the eccentric shaft (8) sequentially penetrates through the hinge part (71) of the handle body (7) and a third through hole (211) formed in the top of the connecting seat (21), so that the end part of the eccentric shaft (8) is fixedly connected with the hinge part (71) of the handle body (7), and the shaft part of the eccentric shaft (8) is rotatably connected in the third through hole (211) of the connecting seat (21).
5. An adjustable angle armrest apparatus according to claim 4, wherein: a gasket (9) is additionally arranged between the third positioning part (32) of the rotary joint (3) and the hinging part (71) of the handle body (7).
6. An adjustable angle armrest apparatus according to claim 4 or 5, wherein: the inner end face of the hinge part (71) of the handle body (7) is provided with a plane (74), and the plane (74) is abutted against the outer end face of the third positioning part (32) of the rotary joint (3) or the gasket (9).
7. An adjustable angle armrest apparatus according to claim 6, wherein: the hinge part (71) of the handle body (7) consists of a first hinge seat (72) and a second hinge seat (73) which are arranged at intervals along the height direction of the handle body (7), a fifth through hole (721) and a sixth through hole (731) are respectively formed in the tops of the first hinge seat (72) and the second hinge seat (73), the shaft part of the eccentric shaft (8) sequentially passes through the fifth through hole (721), the third through hole (211) and the sixth through hole (731), the end part of the eccentric shaft (8) is fixedly connected with the first hinge seat (72), and the shaft part eccentric section (81) of the eccentric shaft (8) is positioned in the third through hole (211) of the connecting seat (21).
8. An adjustable angle armrest apparatus as set forth in claim 1, wherein: the end faces of the first positioning part (102) and the third positioning part (32) are respectively set to be open ends, the central parts of the inner end faces of the first positioning part (102) and the third positioning part (32) are respectively provided with a first positioning column (105) and a third positioning column (323) along the opposite directions, the end faces of the second positioning part (202) and the other third positioning part (32) are respectively set to be open ends, the central parts of the inner end faces of the second positioning part (202) and the third positioning part (32) are respectively provided with a second positioning column (205) and a third positioning column (323) along the opposite directions, the first positioning column (105), the second positioning column (205) and the third positioning column (323) are respectively provided with a through hole for penetrating the connecting rod (2), and the two elastic elements (5) are respectively sleeved on the first positioning column (105) and the third positioning column (323) and the second positioning column (205) and the third positioning column (323).
9. An adjustable angle armrest apparatus as set forth in claim 1, wherein: the tops of the first connecting part (101) and the second connecting part (201) are respectively provided with a long slot hole (1011,2011), and the frame is arranged in the two long slot holes (1011,2011) in a penetrating way and fixedly connected with the two long slot holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203954.5A CN109808761B (en) | 2019-03-18 | 2019-03-18 | Angle-adjustable armrest device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203954.5A CN109808761B (en) | 2019-03-18 | 2019-03-18 | Angle-adjustable armrest device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109808761A CN109808761A (en) | 2019-05-28 |
| CN109808761B true CN109808761B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910203954.5A Active CN109808761B (en) | 2019-03-18 | 2019-03-18 | Angle-adjustable armrest device |
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| CN (1) | CN109808761B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20180186424A1 (en) * | 2017-01-05 | 2018-07-05 | EcoReco Global Corporation | Folding lock mechanism |
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| CN206067839U (en) * | 2016-10-09 | 2017-04-05 | 上海童歌母婴用品有限公司 | Fold smoothly stroller |
| CN109157346A (en) * | 2018-10-10 | 2019-01-08 | 安维车件(厦门)有限公司 | One kind proposing line apparatus and its utilization |
| CN209617245U (en) * | 2019-03-18 | 2019-11-12 | 安维车件(厦门)有限公司 | A kind of armrest system of angle adjustable |
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| CN109808761A (en) | 2019-05-28 |
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