CN219056342U - Child cart - Google Patents
Child cart Download PDFInfo
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- CN219056342U CN219056342U CN202222930049.XU CN202222930049U CN219056342U CN 219056342 U CN219056342 U CN 219056342U CN 202222930049 U CN202222930049 U CN 202222930049U CN 219056342 U CN219056342 U CN 219056342U
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- rod
- seat
- stroller
- telescopic rod
- brackets
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- 238000000429 assembly Methods 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to a child stroller, which comprises a frame with an unfolding state and a folding state, wherein the frame comprises side brackets which are positioned at the left side and the right side of the child stroller and are symmetrically arranged, each side bracket comprises a front wheel bracket, a rear wheel bracket, a push rod, a seat rod, a grab rail, a connecting rod, a stay rod, a sliding piece and a transverse bracket, wherein the seat rod extends along the front-back direction of the child stroller, the sliding piece is connected to the seat rod in a sliding manner, and the transverse bracket comprises a first transverse rod and a second transverse rod which is arranged in a crossed rotation manner with the first transverse rod; one end part of the first cross rod and one end part of the second cross rod are respectively connected with seat rods on two sides in a rotating way through first connecting pieces, and the other end part of the first cross rod and the other end part of the second cross rod are respectively connected with the upper parts of rear wheel brackets on two sides or sliding pieces in a rotating way through second connecting pieces. The baby stroller can realize transverse and longitudinal bidirectional folding, is convenient to fold, has small volume after folding, and is convenient to carry.
Description
Technical Field
The utility model relates to the field of children products, in particular to a child trolley.
Background
Folding child strollers are widely used as a baby walker. In order to realize the folding function, the main components forming the frame of the stroller, such as the front wheel bracket, the rear wheel bracket, the seat rod, the push rod and the like, are rotatably connected with each other, and although the collapsible stroller with various structures in the market at present, the stroller with different design structures and convenient folding and small folding volume is still a target pursued by those skilled in the art, and is also a key for enabling the stroller product to have market competitiveness.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a child stroller with different structures and small volume after folding.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the child stroller comprises a frame with an unfolding state and a folding state, a front wheel assembly, a rear wheel assembly and a locking mechanism for locking the frame in the unfolding state, wherein the frame comprises side brackets which are positioned at the left side and the right side of the child stroller and are symmetrically arranged, each side bracket comprises a front wheel bracket with the front wheel assembly at the lower part, a rear wheel bracket with the rear wheel assembly at the lower part, a push rod and a seat rod extending along the front-rear direction of the child stroller, and each side bracket further comprises a handrail rod, a connecting rod, a stay rod and a sliding piece which is connected to the seat rod in a sliding manner along the length direction of the seat rod;
two of the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected and a third person is pivotally connected to one of the two, or the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected around the same rotation center;
two of the lower part of the push rod, the upper part of the connecting rod and the upper part of the supporting rod are connected in a pivot way, and a third is connected on one of the two in a pivot way, or the lower part of the push rod, the upper part of the connecting rod and the upper part of the supporting rod are connected in a pivot way around the same rotation center;
the lower part of the push rod is also in pivot connection with the upper part of the grab bar, the lower part of the support rod is in pivot connection with the rear wheel bracket, the support rod is also in pivot connection with the rear part of the seat rod, and the upper part of the rear wheel bracket is in pivot connection with the sliding piece;
the frame also comprises a transverse bracket arranged between the side brackets at two sides, the transverse bracket comprises a first transverse rod and a second transverse rod which is arranged by intersecting and rotating the first transverse rod, one end part of the first transverse rod is respectively connected with the seat rods at two sides through a first connecting piece in a rotating way, and the other end part of the first transverse rod is respectively connected with the upper parts of the rear wheel brackets at two sides or the sliding pieces in a rotating way through a second connecting piece.
According to some embodiments of the utility model, in the side brackets on each side, the slider is located between the first connection member at the junction of the seat bar and the front wheel bracket or the armrest bar; and/or the number of the groups of groups,
and when the child stroller is in the unfolded state, the included angle between the rear wheel brackets at the two sides is an acute angle.
According to some embodiments of the utility model, the sliding member is a sliding sleeve slidably sleeved on the seat post.
According to some embodiments of the utility model, in the side brackets on each side, the first link, the seat bar, and the stay are connected by the same pivot, and the second link, the rear wheel bracket, and the slider are connected by the same pivot;
the first link on each side is also pivotally connected to the first rail or the second rail, and the second link on each side is also pivotally connected to the first rail or the second rail.
According to some embodiments of the utility model, the grab bar and the connecting rod extend obliquely from bottom to top along the front-back direction of the stroller respectively, and the stay bar extends along the up-down direction of the stroller when the stroller is in the unfolded state.
Further, the grab rail and the connecting rod are respectively arc-shaped bent rods, the grab rail is bent downwards from the lower end part to the upper end part, and the connecting rod is bent upwards from the lower end part to the upper end part.
According to some embodiments of the utility model, in the side brackets on each side, a lower portion of the stay is rotatably connected to a middle portion of the rear wheel bracket.
According to some embodiments of the utility model, in the side brackets on each side, the grab rail, the front wheel bracket and the seat rail are connected by the same pivot, and the connection point of the connecting rod and the front wheel bracket is positioned below the connection point of the grab rail or the seat rail and the front wheel bracket.
According to some embodiments of the utility model, in the side bracket on each side, the push rod, the connecting rod and the supporting rod are connected through the same pivot, the connection part of the grab bar and the push rod is located above the connection part of the connecting rod or the supporting rod and the push rod, and the seat rod is connected in the middle of the supporting rod in a rotating way.
According to some embodiments of the utility model, the frame further comprises one or more telescopic rod assemblies arranged between the side brackets at two sides, each telescopic rod assembly comprises a first telescopic rod extending along the left-right direction of the stroller and a second telescopic rod connected with the first telescopic rod in a sliding manner along the length direction of the first telescopic rod, one end part of the first telescopic rod and one end part of the second telescopic rod are respectively connected with the side brackets at two sides, and the other end part of the first telescopic rod and the other end part of the second telescopic rod are connected in a sliding manner.
Further, one or more telescopic rod assemblies are arranged between the front wheel brackets at two sides, and one end part of the first telescopic rod and one end part of the second telescopic rod of each telescopic rod assembly are fixedly connected with the front wheel brackets at two sides respectively.
Further, one or more telescopic rod assemblies are arranged between the rear wheel brackets at the two sides, and one end part of the first telescopic rod and one end part of the second telescopic rod of each telescopic rod assembly are fixedly connected with the rear wheel brackets at the two sides respectively.
According to some embodiments of the utility model, in the side brackets on each side, the push rod includes a lower push rod, an upper push rod whose lower portion is pivotally connected to an upper portion of the lower push rod, and a push rod whose one end is pivotally connected to an upper portion of the upper push rod, the upper portion of the grab rod, the upper portion of the link, and the upper portion of the stay are respectively pivotally connected to a lower portion of the lower push rod, and the other ends of the push rod of the side brackets on both sides are pivotally connected.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the baby stroller can realize transverse and longitudinal bidirectional folding, is convenient to fold, has small volume after folding, and is convenient to carry.
Drawings
FIG. 1 is a perspective view of a child stroller in an expanded state according to an exemplary embodiment of the present utility model;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a side view of the stroller of FIG. 1 in a semi-collapsed condition;
FIG. 5 is a front view of the stroller of FIG. 1 in a semi-collapsed condition;
FIG. 6 is a side view of the stroller of FIG. 1 in a folded condition;
FIG. 7 is a front view of the stroller of FIG. 1 in a folded condition;
in the figure: 1. a front wheel assembly; 2. a rear wheel assembly; 3. a front wheel bracket; 4. a rear wheel bracket; 5. a push rod; 5a, pushing down the rod; 5b, pushing up the rod; 5c, pushing the handle bar; 6. a seat rod; 7. a grab rail; 8. a connecting rod; 9. a brace rod; 10. a slider; 11. a first cross bar; 12. a second cross bar; 13. a first connector; 14. a second connector; 15. a first telescopic rod; 16. a second telescopic rod;
A. a first pivot; B. a second pivot; C. a third pivot; D. a fourth pivot; E. a fifth pivot; F. a sixth pivot; G. a seventh pivot; H. an eighth pivot; I. a ninth pivot; J. and a tenth pivot.
Detailed Description
The utility model is further described with reference to the drawings and specific examples in the specification:
referring to figures 1 to 7, a stroller comprises a frame having an expanded state and a collapsed state, a front wheel assembly 1 and a rear wheel assembly 2.
The frame includes the side support that is located the left and right sides of children's shallow and symmetry set up, and the side support of every side includes that the lower part is equipped with front wheel support 3 of front wheel subassembly 1, the rear wheel support 4 of rear wheel subassembly 2 is equipped with to the lower part, push rod 5, along the seat pole 6 of the fore-and-aft direction extension of children's shallow, by the grab bar 7 of supreme slope extension down in the fore-and-aft direction of children's shallow, by the connecting rod 8 of supreme slope extension down in the fore-and-aft direction of children's shallow, the stay bar 9 of the upper and lower direction extension of children's shallow and along the slider 10 on seat pole 6 of length direction sliding connection of seat pole 6.
Specifically, in the side brackets on each side, the grab rail 7 and the connecting rod 8 are respectively arc-shaped bent rods, the grab rail 7 is bent downwards from the lower end to the upper end, and the connecting rod 8 is bent upwards from the lower end to the upper end; the push rod 5 comprises a lower push rod 5a, an upper push rod 5b with the lower part pivotally connected with the upper part of the lower push rod 5a, and a push rod 5c with one end pivotally connected with the upper part of the upper push rod 5b, and the other ends of the push rods 5c of the side brackets on both sides are pivotally connected.
Referring to fig. 2, in the side brackets of each side, the upper part of the front wheel bracket 3, the front part of the seat post 6, and the lower part of the grab rail 7 are rotatably connected by a first pivot a; the upper part of the front wheel bracket 3 is also rotationally connected with the lower part of the connecting rod 8 through a second pivot B; the lower part of the lower push rod 5a, the upper part of the connecting rod 8 and the upper part of the supporting rod 9 are rotationally connected through a third pivot C, and the lower part of the lower push rod 5a is rotationally connected with the upper part of the grab rail 7 through a fourth pivot D; the rear part of the seat rod 6 is rotationally connected with the middle part of the stay rod 9 through a fifth pivot E; the lower part of the stay bar 9 is rotationally connected with the middle part of the rear wheel bracket 4 through a sixth pivot F; the upper portion of the rear wheel bracket 4 is rotatably connected to the slider 10 through a seventh pivot G. On the front wheel bracket 3, the second pivot B is located below the first pivot a; on the push down lever 5a, the third pivot C is located below the fourth pivot D.
In the unfolded state of the stroller, the first pivot a, the second pivot B, the third pivot C, the fourth pivot D, the fifth pivot E, the sixth pivot F, and the seventh pivot G extend in the left-right direction of the stroller, respectively.
Referring to fig. 3, in the unfolded state of the stroller, the included angle α between the rear wheel brackets 4 on both sides is acute, as in this example, the included angle α is about 12 °.
Referring to fig. 1, the frame further includes a cross bracket disposed between the side brackets on both sides, the cross bracket including a first cross bar 11 and a second cross bar 12 disposed to cross the first cross bar 11, as shown in fig. 1 and 3, the first cross bar 11 and the second cross bar 12 being rotatably connected through an eighth pivot H, one end portion of the first cross bar 11 and one end portion of the second cross bar 12 being rotatably connected with the seat bars 6 on both sides through first connection members 13, respectively, and the other end portion of the first cross bar 11 and the other end portion of the second cross bar 12 being rotatably connected with the upper portions of the rear wheel brackets 4 on both sides through second connection members 14, respectively.
In the side brackets of each side, the first connecting piece 13, the seat rod 6 and the stay rod 9 are rotatably connected through a fifth pivot E, the first connecting piece 13 is also rotatably connected with the first cross rod 11 or the second cross rod 12 through a ninth pivot I, and the fifth pivot E and the ninth pivot I are vertical; the second connecting piece 14, the sliding piece 10 and the rear wheel bracket 4 are rotatably connected through a seventh pivot shaft G, the second connecting piece 14 is also rotatably connected with the first cross bar 11 or the second cross bar 12 through a tenth pivot shaft J, and the seventh pivot shaft G is perpendicular to the tenth pivot shaft J.
In this example, the first connecting member 13 and the second connecting member 14 are respectively U-shaped connecting members.
In this example, the sliding member 10 is a sliding sleeve slidably sleeved on the seat bar 6, and the sliding sleeve is located between the first pivot a and the fifth pivot E on the seat bar 6.
In order to enable the child stroller to be capable of being folded more stably, the side supports on the two sides are prevented from being twisted during transverse folding, the frame further comprises one or more telescopic rod assemblies arranged between the side supports on the two sides, in this example, two telescopic rod assemblies are arranged between the front wheel supports 3 on the two sides and are respectively located on the upper portion and the lower portion of the front wheel supports 3, each telescopic rod assembly comprises a first telescopic rod 15 extending in the left-right direction of the child stroller and a second telescopic rod 16 slidably connected with the first telescopic rod 15 in the length direction of the first telescopic rod 15, one end portion of the first telescopic rod 15 and one end portion of the second telescopic rod 16 are fixedly connected with the front wheel supports 3 on the two sides respectively, and the other end portion of the first telescopic rod 15 and the other end portion of the second telescopic rod 16 are slidably connected. A telescopic rod assembly is also arranged between the rear wheel brackets 4 at two sides, and the telescopic rod assembly also comprises a first telescopic rod 15 which is arranged along the left-right direction of the stroller and a second telescopic rod 16 which is connected with the first telescopic rod 15 in a sliding manner along the length direction of the first telescopic rod 15, one end part of the first telescopic rod 15 and one end part of the second telescopic rod 16 are respectively fixedly connected with the rear wheel brackets 4 at two sides, and the other end part of the first telescopic rod 15 and the other end part of the second telescopic rod 16 are connected in a sliding manner.
The child stroller further includes a locking mechanism for locking the frame in the unfolded state, and the structure of the locking mechanism is not limited as long as the child stroller can be locked in the unfolded state, and an existing conventional locking mechanism is adopted.
The folding principle of the baby carriage is as follows:
as shown in fig. 1 to 3, the stroller is in a deployed state, and the slider 10 is positioned at the rear of the seat post 6. When the stroller is required to be folded, the locking mechanism is unlocked, the upper push rod 5b is folded towards the rear of the stroller and is close to the lower push rod 5a, and then the lower push rod 5a and the upper push rod 5b are overturned forwards together, as shown in fig. 4-5, and the longitudinal direction is as follows: the upper end part of the grab rail 7, the upper end part of the connecting rod 8 and the upper end part of the supporting rod 9 are respectively turned towards the direction close to the rear wheel bracket 4 and are close to the rear wheel bracket 4, the connecting rod 8 pulls the front wheel bracket 3 to be close to the rear wheel bracket 4, the rear end part of the seat rod 6 is turned downwards to be close to the rear wheel bracket 4 under the action of the movement of the supporting rod 9, and meanwhile, the rear wheel bracket 4 drives the sliding piece 10 to slide on the seat rod 6 from the rear part of the seat rod 6 to the front part of the seat rod 6, so that the longitudinal folding is completed; on the other hand, the transverse folding: in the process that the rear wheel bracket 4 drives the sliding piece 10 to slide on the seat rod 6 from the rear part of the seat rod 6 to the front part of the seat rod 6, one end part of the first cross rod 11 and one end part of the second cross rod 12 are driven to move forwards, so that the first cross rod 11 and the second cross rod 12 are close to each other, meanwhile, the first telescopic rod 15 and the second telescopic rod 16 are in telescopic sliding folding, the pushing handle rods 5c of the side brackets are folded and close, and finally the transverse folding is completed. After the stroller is longitudinally and transversely folded, as shown in fig. 6 to 7, the front wheel support 3, the rear wheel support 4, the lower push rod 5a, the upper push rod 5b, the seat rod 6, the grab rail 7, the connecting rod 8 and the supporting rod 9 are mutually close, in the left-right direction of the stroller, the grab rail 7, the lower push rod 5a (or the front wheel support 3), the connecting rod 8, the supporting rod 9, the seat rod 6 and the rear wheel support 4 of each side support are sequentially distributed, the grab rails 7 of the side supports on two sides are respectively positioned on the outer sides, the first cross rod 11 and the second cross rod 12 are folded and close, and are positioned between the rear wheel supports 4 on two sides, the push handle rods 5c on two sides are folded and close and are positioned between the lower push rods 5a on two sides, and the whole stroller is small in size and convenient to carry.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a children's shallow, includes the frame that has the state of expanding and folding state, front wheel subassembly, rear wheel subassembly and is used for locking the frame in the state of expanding, the frame includes the side support that is located the left and right sides of children's shallow and symmetry set up, the side support of each side includes the front wheel support that the lower part is equipped with the front wheel subassembly, the rear wheel support that the lower part is equipped with the rear wheel subassembly, push rod and along the seat pole that the fore-and-aft direction of children's shallow extends, characterized in that, the side support of each side still includes grab rail, connecting rod, vaulting pole and along the slider of the length direction sliding connection on the seat pole of seat pole;
two of the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected and a third person is pivotally connected to one of the two, or the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected around the same rotation center;
two of the lower part of the push rod, the upper part of the connecting rod and the upper part of the supporting rod are connected in a pivot way, and a third is connected on one of the two in a pivot way, or the lower part of the push rod, the upper part of the connecting rod and the upper part of the supporting rod are connected in a pivot way around the same rotation center;
the lower part of the push rod is also in pivot connection with the upper part of the grab bar, the lower part of the support rod is in pivot connection with the rear wheel bracket, the support rod is also in pivot connection with the rear part of the seat rod, and the upper part of the rear wheel bracket is in pivot connection with the sliding piece;
the frame also comprises a transverse bracket arranged between the side brackets at two sides, the transverse bracket comprises a first transverse rod and a second transverse rod which is arranged by intersecting and rotating the first transverse rod, one end part of the first transverse rod is respectively connected with the seat rods at two sides through a first connecting piece in a rotating way, and the other end part of the first transverse rod is respectively connected with the upper parts of the rear wheel brackets at two sides or the sliding pieces in a rotating way through a second connecting piece.
2. The stroller of claim 1, wherein: in the side brackets on each side, the sliding piece is positioned between the first connecting piece and the connecting part of the seat rod and the front wheel bracket or the armrest rod; and/or the number of the groups of groups,
and when the child stroller is in the unfolded state, the included angle between the rear wheel brackets at the two sides is an acute angle.
3. A stroller according to claim 1 or 2, wherein: the sliding piece is a sliding sleeve which is sleeved on the seat rod in a sliding way.
4. The stroller of claim 1, wherein: in the side brackets on each side, the first connecting piece, the seat rod and the supporting rod are connected through the same pivot, and the second connecting piece, the rear wheel bracket and the sliding piece are connected through the same pivot;
the first link on each side is also pivotally connected to the first rail or the second rail, and the second link on each side is also pivotally connected to the first rail or the second rail.
5. The stroller of claim 1, wherein: when the child stroller is in the unfolded state, the grab bars and the connecting rods respectively extend obliquely from bottom to top along the front-back direction of the child stroller, and the supporting rods extend along the up-down direction of the child stroller.
6. The stroller of claim 5, wherein: the grab rail and the connecting rod are arc-shaped bent rods respectively, the grab rail is bent downwards from the lower end to the upper end, and the connecting rod is bent upwards from the lower end to the upper end.
7. The stroller of claim 1, wherein: in the side brackets on each side, the lower parts of the supporting rods are rotatably connected with the middle parts of the rear wheel brackets; and/or the number of the groups of groups,
in the side brackets on each side, the grab rail, the front wheel bracket and the seat bar are connected through the same pivot, and the connection part of the connecting rod and the front wheel bracket is positioned below the connection part of the grab rail or the seat bar and the front wheel bracket; and/or the number of the groups of groups,
in the side brackets of each side, the push rod, the connecting rod and the supporting rod are connected through the same pivot, the connection part of the grab bar and the push rod is positioned above the connection part of the connecting rod or the supporting rod and the push rod, and the seat rod is connected in a rotating way at the middle part of the supporting rod.
8. The stroller of any one of claims 1-2, 4-7, wherein: the frame is characterized by further comprising one or more telescopic rod assemblies arranged between the side brackets on two sides, each telescopic rod assembly comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is arranged along the left-right direction of the stroller in an extending mode, the second telescopic rod is connected with the first telescopic rod in a sliding mode along the length direction of the first telescopic rod, one end portion of the first telescopic rod and one end portion of the second telescopic rod are connected with the side brackets on two sides respectively, and the other end portion of the first telescopic rod and the other end portion of the second telescopic rod are connected in a sliding mode.
9. The stroller of claim 8, wherein: one or more telescopic rod assemblies are arranged between the front wheel brackets at two sides, and one end part of the first telescopic rod and one end part of the second telescopic rod of each telescopic rod assembly are fixedly connected with the front wheel brackets at two sides respectively; and/or the number of the groups of groups,
one or more telescopic rod assemblies are arranged between the rear wheel brackets at two sides, and one end part of the first telescopic rod and one end part of the second telescopic rod of each telescopic rod assembly are fixedly connected with the rear wheel brackets at two sides respectively.
10. The stroller of any one of claims 1-2, 4-7, wherein: in the side brackets on each side, the push rod comprises a lower push rod, an upper push rod, and a push handle rod, wherein the lower part of the upper push rod is in pivot connection with the upper part of the lower push rod, one end of the push handle rod is in pivot connection with the upper part of the upper push rod, the upper part of the handle rod, the upper part of the connecting rod and the upper part of the supporting rod are respectively in pivot connection with the lower part of the lower push rod, and the other ends of the push handle rods on the two sides of the side brackets are in pivot connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222930049.XU CN219056342U (en) | 2022-11-03 | 2022-11-03 | Child cart |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222930049.XU CN219056342U (en) | 2022-11-03 | 2022-11-03 | Child cart |
Publications (1)
Publication Number | Publication Date |
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CN219056342U true CN219056342U (en) | 2023-05-23 |
Family
ID=86376354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202222930049.XU Active CN219056342U (en) | 2022-11-03 | 2022-11-03 | Child cart |
Country Status (1)
Country | Link |
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CN (1) | CN219056342U (en) |
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2022
- 2022-11-03 CN CN202222930049.XU patent/CN219056342U/en active Active
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