CN115285207B - Seat board standing mechanism and child cart - Google Patents
Seat board standing mechanism and child cart Download PDFInfo
- Publication number
- CN115285207B CN115285207B CN202210683812.5A CN202210683812A CN115285207B CN 115285207 B CN115285207 B CN 115285207B CN 202210683812 A CN202210683812 A CN 202210683812A CN 115285207 B CN115285207 B CN 115285207B
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- China
- Prior art keywords
- connecting rod
- rod
- rotating shaft
- station
- lower connecting
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- 210000001364 upper extremity Anatomy 0.000 claims description 23
- 238000010276 construction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/28—Auxiliary dismountable seats ; Additional platforms for children in standing-up position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
Abstract
The invention discloses a seat plate standing mechanism and a child stroller, wherein the seat plate standing mechanism comprises a left side rod, a right side rod, a sliding piece, an upper connecting rod, a lower connecting rod, a seat plate standing, a first rotating shaft, a second rotating shaft, a third rotating shaft, a locking mechanism and a limiting mechanism. The seat board standing mechanism can be used for bearing children, has a use state for the children to stand or sit, and meets the use requirements of different children; according to the child cart, the seat plate standing mechanism is arranged, so that one child can be additionally carried on the basis of only one child, and parents can conveniently carry two children to go out at the same time.
Description
Technical Field
The invention relates to a seat plate standing mechanism and a child stroller.
Background
Prior art child strollers generally include a stroller frame, a seat pocket assembly provided on the stroller frame for carrying a child, such strollers generally only carry a child, and the child can only sit or lie in the seat pocket assembly. As more and more families have two children, parents need to take two children at the same time, and the cart cannot bear the two children, so that inconvenience is caused to the parents.
Disclosure of Invention
The invention aims to provide a seat plate standing mechanism and a child stroller.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a station chair plate mechanism, comprising: a left side bar having a left center line; the right side rod is provided with a section of right center straight line, and the left center straight line and the right center straight line are positioned in the same plane; the sliding piece is connected with the left side rod in a sliding way along the direction of the left center straight line, or/and the sliding piece is connected with the right side rod in a sliding way along the direction of the right center straight line; one end of the upper connecting rod is pivotally connected with the sliding piece through a first rotating shaft; one end part of the lower connecting rod is pivotally connected with the other end part of the upper connecting rod through a second rotating shaft, and the other end part of the lower connecting rod is pivotally connected with the left side rod through a third rotating shaft; the other end part of the lower connecting rod is also in pivot connection with the right side edge rod through a third rotating shaft; a station seat board connected to the upper connecting rod or/and the lower connecting rod, wherein the station seat board is provided with a bearing surface; the station seat board mechanism has at least two working states of the following three working states: the bearing surface of the station board connected to the upper connecting rod is approximately parallel to the horizontal plane in the first working state; the bearing surface of the station board connected to the lower connecting rod is approximately parallel to the horizontal plane in the second working state; in a third working state, the upper connecting rod and the lower connecting rod are close to the left side rod and the right side rod; the station seat board mechanism also comprises a locking mechanism or/and a limiting mechanism; the locking mechanism is provided with a locking state and an unlocking state, and is used for locking the station seat board mechanism in the corresponding working state in the locking state, and the station seat board mechanism can be switched between the working states in the unlocking state; and the limiting mechanism is used for limiting the sliding piece or the upper connecting rod when the station seat board mechanism is in the first working state or the second working state.
Preferably, the left center line and the right center line are parallel to each other.
Preferably, the sliding part comprises a left sliding part and a right sliding part, the upper connecting rod comprises a left upper connecting rod and a right upper connecting rod, and the lower connecting rod comprises a left lower connecting rod and a right lower connecting rod; the first rotating shaft comprises a first left rotating shaft and a first right rotating shaft; the second rotating shaft comprises a second left rotating shaft and a second right rotating shaft; the third rotating shaft comprises a third left rotating shaft and a third right rotating shaft; the left sliding piece is connected with the left side rod in a sliding manner along the direction of the left center straight line, and the right sliding piece is connected with the right side rod in a sliding manner along the direction of the right center straight line; one end part of the left upper connecting rod is pivotally connected with the left sliding piece through the first left rotating shaft, and one end part of the right upper connecting rod is pivotally connected with the right sliding piece through the first right rotating shaft; one end part of the left lower connecting rod is pivotally connected with the other end part of the left upper connecting rod through the second left rotating shaft, and the other end part of the left lower connecting rod is pivotally connected with the left side rod through the third left rotating shaft; one end part of the right lower connecting rod is pivotally connected with the other end part of the right upper connecting rod through the second right rotating shaft, and the other end part of the right lower connecting rod is pivotally connected with the right side rod through the third right rotating shaft.
Further preferably, the left sliding piece and the right sliding piece are sliding sleeves, and are respectively sleeved on the left side rod and the right side rod.
Further preferably, the upper left connecting rod and the upper right connecting rod are connected together in a rigid manner, and the lower left connecting rod and the lower right connecting rod are connected together in a rigid manner.
Further preferably, the station base plate is rigidly connected with the upper left connecting rod and the upper right connecting rod into a whole; the station seat board is connected with the left lower connecting rod and the right lower connecting rod into a whole in a rigid way.
Preferably, the locking mechanism is arranged between the sliding piece and the left side rod, or/and the locking mechanism is arranged between the sliding piece and the right side rod.
Preferably, the limiting mechanism is fixedly arranged in the middle of the left side rod and positioned below the sliding piece, or/and the limiting mechanism is fixedly arranged in the middle of the right side rod and positioned below the sliding piece.
Still preferably, the limiting mechanism comprises a left limiting mechanism and a right limiting mechanism, wherein the left limiting mechanism and the right limiting mechanism are limiting rings and are respectively sleeved on the left side rod and the right side rod.
Preferably, in the first working state, the upper connecting rod is parallel to the bearing surface, and the lower connecting rod is perpendicular to the upper connecting rod; in the second working state, the lower connecting rod is parallel to the bearing surface, and the lower connecting rod is perpendicular to the upper connecting rod; in the third working state, the lower connecting rod and the upper connecting rod are parallel to the left side rod or/and the right side rod.
Preferably, the station base plate is detachably connected with the upper connecting rod, or/and the station base plate is detachably connected with the lower connecting rod.
A second aspect of the invention provides a station chair plate mechanism comprising a left side bar having a left central line; the right side rod is provided with a section of right center straight line, and the left center straight line and the right center straight line are positioned in the same plane; an upper link, one end of which is slidably connected to the left side bar along the direction of the left center line, or/and one end of which is slidably connected to the right side bar along the direction of the right center line; one end part of the lower connecting rod is pivotally connected with the other end part of the upper connecting rod through a second rotating shaft, and the other end part of the lower connecting rod is pivotally connected with the left side rod through a third rotating shaft; the other end part of the lower connecting rod is also in pivot connection with the right side edge rod through a third rotating shaft; a station seat board connected to the upper connecting rod or/and the lower connecting rod, wherein the station seat board is provided with a bearing surface; the station seat board mechanism has at least two working states of the following three working states: the bearing surface of the station board connected to the upper connecting rod is approximately parallel to the horizontal plane in the first working state; the bearing surface of the station board connected to the lower connecting rod is approximately parallel to the horizontal plane in the second working state; in the third working state, the upper connecting rod and the lower connecting rod are close to the left side rod and the right side rod; the station seat board mechanism also comprises a locking mechanism and/or a limiting mechanism, wherein the locking mechanism is provided with a locking state and an unlocking state, the locking mechanism is used for locking the station seat board mechanism in a corresponding working state in the locking state, and the station seat board mechanism can be switched between the working states in the unlocking state; and the limiting mechanism is used for limiting the upper connecting rod when the station seat plate mechanism is in the first working state or the second working state.
Preferably, the left center line and the right center line are parallel to each other.
Preferably, the upper connecting rod comprises an upper left connecting rod and an upper right connecting rod, and the lower connecting rod comprises a lower left connecting rod and a lower right connecting rod; the second rotating shaft comprises a second left rotating shaft and a second right rotating shaft; the third rotating shaft comprises a third left rotating shaft and a third right rotating shaft; one end of the left upper connecting rod is connected with the left side rod in a sliding manner along the direction of the left center straight line, and one end of the right upper connecting rod is connected with the right side rod in a sliding manner along the direction of the right center straight line; one end part of the left lower connecting rod is pivotally connected with the other end part of the left upper connecting rod through a second left rotating shaft, and the other end part of the left lower connecting rod is pivotally connected with the left side edge rod through a third left rotating shaft; one end part of the right lower connecting rod is pivotally connected with the other end part of the right upper connecting rod through a second right rotating shaft, and the other end part of the right lower connecting rod is pivotally connected with the right side edge rod through a third right rotating shaft.
Further preferably, the left side rod is provided with a left guide groove, the left guide groove extends along the left center straight line direction, one end part of the left upper connecting rod is provided with a left guide pin, and the left guide pin is inserted into the left guide groove; the right side rod on open and have right guide way, right guide way along right center straight line direction extend, right upper connecting rod's one end be equipped with right guide pin, right guide pin insert in right guide way.
Further preferably, the upper left connecting rod and the upper right connecting rod are connected together in a rigid manner, and the lower left connecting rod and the lower right connecting rod are connected together in a rigid manner.
Further preferably, the station base plate is rigidly connected with the upper left connecting rod and the upper right connecting rod into a whole; the station seat board is connected with the left lower connecting rod and the right lower connecting rod into a whole in a rigid way.
Preferably, the locking mechanism is arranged between the upper connecting rod and the lower connecting rod; the limiting mechanism is fixedly arranged in the middle of the left side rod, or/and the limiting mechanism is fixedly arranged in the middle of the right side rod.
Preferably, in the first working state, the upper connecting rod is parallel to the bearing surface, and the lower connecting rod is perpendicular to the upper connecting rod; in the second working state, the lower connecting rod is parallel to the bearing surface, and the lower connecting rod is perpendicular to the upper connecting rod; in the third working state, the lower connecting rod and the upper connecting rod are parallel to the left side rod or/and the right side rod.
Preferably, the station base plate is detachably connected with the upper connecting rod, or/and the station base plate is detachably connected with the lower connecting rod.
The third aspect of the invention provides a child stroller, comprising a frame, a seat arranged on the frame, a front wheel arranged below the front part of the frame, and a rear wheel arranged below the rear part of the frame, wherein the frame also comprises a seat plate mechanism as described above, and the left side rod and the right side rod are rods on the frame.
Preferably, the frame comprises a left front supporting leg, a right front supporting leg, a left rear supporting leg and a right rear supporting leg, front wheels are respectively arranged below the left front supporting leg and the right front supporting leg, rear wheels are respectively arranged below the left rear supporting leg and the right rear supporting leg, and the left rear supporting leg and the right rear supporting leg are respectively a left side rod and a right side rod.
Preferably, the frame comprises a left front supporting leg, a right front supporting leg, a left rear supporting leg and a right rear supporting leg, front wheels are respectively arranged below the left front supporting leg and the right front supporting leg, rear wheels are respectively arranged below the left rear supporting leg and the right rear supporting leg, and the left front supporting leg and the right front supporting leg are respectively a left side rod and a right side rod.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the seat board standing mechanism can be used for bearing children, has a use state for the children to stand or sit, and can meet the use requirements of different children;
according to the child cart, the seat plate standing mechanism is arranged, so that one child can be additionally carried on the basis of only one child, and parents can conveniently carry two children to go out at the same time.
Drawings
Fig. 1 is a schematic perspective view of the whole structure of the stroller in embodiment 1 in a first working state;
FIG. 2 is an exploded view of the stroller in accordance with example 1 of the present invention;
FIG. 3 is a side view of the stroller in accordance with example 1 of the present invention in a first operative condition and during seat sliding down;
FIG. 4 is an enlarged schematic view of the section A-A of FIG. 3;
FIG. 5 is a side view of the stroller in accordance with example 1 of the present invention in a first operative condition and during seat up-sliding;
FIG. 6 is a side view of a portion of the structure of the stroller in accordance with embodiment 1 of the present invention during a transition from the stroller to a first operational state;
FIG. 7 is a side view of the stroller in accordance with example 1 in a second operative configuration and during seat sliding;
FIG. 8 is a side view of the stroller in accordance with example 1 in a second operative configuration and during seat up-sliding;
FIG. 9 is a side view of a portion of the construction of the stroller in accordance with embodiment 1 of the present invention during a transition to a second operational state;
fig. 10 is a schematic perspective view of a part of the structure of the stroller in embodiment 1 of the present invention when the stroller is in the third working state;
FIG. 11 is a perspective view of a stroller in accordance with an embodiment 1 of the present invention;
FIG. 12 is an exploded view of a portion of the construction of a stroller in accordance with example 2 of the present invention;
fig. 13 is a schematic perspective view of a portion of the stroller in embodiment 2 in a first operating state;
wherein, 1, a frame; 101. a left side bar; 102. a right side lever; 1021. a right guide groove; 103. a slider; 1031. a left slider; 1032. a right slider; 104. an upper connecting rod; 1041. an upper left connecting rod; 1042. an upper right link; 1043. a first cross bar; 105. a lower connecting rod; 1051. a left lower connecting rod; 1052. a right lower connecting rod; 1053. a second cross bar; 106. a station base plate; 107. a first rotating shaft; 1071. a first left rotary shaft; 1072. a first right rotation shaft; 108. a second rotating shaft; 1081. a second left rotary shaft; 1082. a second right rotation shaft; 109. a third rotating shaft; 1091. a third left rotary shaft; 1092. a third right rotation shaft; 110. a locking mechanism; 1101. a spring buckle body; 1102. a bolt; 111. a limiting mechanism; 1111. a left limiting member; 1112. a right limiting piece; 112. a left front leg; 113. a right front leg; 114. pushing the handle bar; 1151. a left guide pin;
2. a seat;
3. a front wheel;
4. a rear wheel;
x, the rotation center line.
Detailed Description
The invention is further described below with reference to examples. The present invention is not limited to the following examples. The implementation conditions adopted in the embodiments can be further adjusted according to different requirements of specific use, and the implementation conditions which are not noted are conventional conditions in the industry. The technical features of the various embodiments of the present invention may be combined with each other as long as they do not collide with each other.
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc. indicate orientations or positional relationships based on fig. 1, where the side facing us is "left", the side facing away from us is "right", the side on which the push handle bar is located is "up", the side on which the wheels are located is "down", the side on which the seat is located is "front", and the side on which the seat plate is located is "rear", only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present invention.
Furthermore, 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 implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In embodiments of the present invention, the term "middle" includes "upper middle", "lower middle" and "intermediate" unless specifically stated and defined otherwise.
In embodiments of the invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
Example 1
A stroller, as shown in fig. 1 to 11, comprises a frame 1, a seat 2 provided on the frame 1, front wheels 3 provided under the front part of the frame 1, and rear wheels 4 provided under the rear part of the frame 1.
Referring to fig. 2 and 4, the frame 1 includes a seat plate mechanism including a left side bar 101, a right side bar 102, a slider 103, an upper link 104, a lower link 105, a seat plate 106, a first rotation shaft 107, a second rotation shaft 108, a third rotation shaft 109, a locking mechanism 110, and a limiting mechanism 111, wherein:
the left side bar 101 has a left center line, the right side bar 102 has a right center line, and the left center line and the right center line are in the same plane, and further, the left center line and the right center line are parallel to each other. In other embodiments, the left and right center lines may intersect at a point.
Referring to fig. 1 and 10, the slider 103 is slidably coupled to the left side bar 101 in the direction of the left center line and also slidably coupled to the right side bar 102 in the direction of the right center line. One end of the upper link 104 is pivotally connected to the slider 103 via a first pivot 107, one end of the lower link 105 is pivotally connected to the other end of the upper link 104 via a second pivot 108, the other end of the lower link 105 is pivotally connected to the left side lever 101 via a third pivot 109, and the other end of the lower link 105 is also pivotally connected to the right side lever 102 via the third pivot 109. A station plate 106 is attached to the upper link 104 or/and the lower link 105, and the station plate 106 has a bearing surface. The station seat board mechanism has the following three working states: in a first operating condition, see fig. 1, 3 and 5, the bearing surface of the station plate 106 attached to the upper link 104 is substantially parallel to the horizontal plane; in the second operating condition, see fig. 7 and 8, the bearing surface of the station plate 106 attached to the lower link 105 is substantially parallel to the horizontal plane; in the third operating state, see fig. 10, the upper link 104 and the lower link 105 are both closed to the left side bar 101 and the right side bar 102. The locking mechanism 110 has a locked state for locking the seat pan mechanism in a corresponding operating state in the locked state and an unlocked state in which the seat pan mechanism is switchable between the operating states. The limiting mechanism 111 is used for limiting the sliding member 103 or the upper connecting rod 104 when the seat plate mechanism is in the first working state or the second working state.
Specifically, referring to fig. 2, the slider 103 includes a left slider 1031 and a right slider 1032, the upper link 104 includes an upper left link 1041 and an upper right link 1042, the lower link 105 includes a lower left link 1051 and a lower right link 1052, the first rotation shaft 107 includes a first left rotation shaft 1071 and a first right rotation shaft 1072, the second rotation shaft 108 includes a second left rotation shaft 1081 and a second right rotation shaft 1082, and the third rotation shaft 109 includes a third left rotation shaft 1091 and a third right rotation shaft 1092.
The left slider 1031 is slidably connected to the left side bar 101 along the direction of the left center line, and the right slider 1032 is slidably connected to the right side bar 102 along the direction of the right center line. Further, the left sliding piece 1031 and the right sliding piece 1032 are sliding sleeves, respectively sleeved on the left side bar 101 and the right side bar 102, and the left sliding piece 1031 and the right sliding piece 1032 are respectively provided with holes matched with the locking mechanism 110.
The upper left and right links 1041 and 1042 are rigidly connected together, and the lower left and right links 1051 and 1052 are rigidly connected together. In this embodiment, the upper link 104 further includes a first cross bar 1043, where the first cross bar 1043 is fixedly connected between the upper left link 1041 and the upper right link 1042; the lower link 105 also includes a second cross bar 1053, the second cross bar 1053 being fixedly connected between the left lower link 1051 and the right lower link 1052. One end of the left upper link 1041 is pivotally connected to the left slider 1031 via a first left rotation axis 1071, and one end of the right upper link 1042 is pivotally connected to the right slider 1032 via a first right rotation axis 1072; one end of the left lower link 1051 is pivotally connected with the other end of the left upper link 1041 through a second left rotary shaft 1081, and the other end of the left lower link 1051 is pivotally connected with the left side lever 101 through a third left rotary shaft 1091; one end of the right lower link 1052 is pivotally connected to the other end of the right upper link 1042 via a second right pivot 1082, and the other end of the right lower link 1052 is pivotally connected to the right side lever 102 via a third right pivot 1092.
The station boards 106 have one or two, and in some embodiments, there are two station boards 106, with one station board 106 being rigidly connected to the upper left and upper right links 1041, 1042 and the other station board 106 being rigidly connected to the lower left and lower right links 1051, 1052. In other embodiments, there may be only one station board 106, and the station board 106 may be detachably connected to the upper link 104 or the lower link 105, so that the station board 106 may be disposed on the upper link 104 or the lower link 105 according to the actual use state of the station board mechanism. In this embodiment, the station plate 106 is only one and is detachably connected to the upper link 104 or to the lower link 105.
The lock mechanism 110 is disposed between the slider 103 and the left side lever 101, and between the slider 103 and the right side lever 102.
Specifically, the lock mechanism 110 includes a left lock provided on the left side lever 101, a right lock provided on the right side lever 102, the left lock and the right lock having two pieces, respectively, and the left lock and the right lock being symmetrically provided with respect to a center line of symmetry of the left side lever 101 and the right side lever 102. Referring to fig. 4, in the present embodiment, the left locking member and the right locking member are buckles, and each buckle has a generally V-shaped buckle body 1101, and a locking tongue 1102 disposed at one end of the buckle body 1101 and integrally formed with the buckle body 1101; taking the left locking piece as an example, the latch body 1101 is disposed in the rod cavity of the left side rod 101, the lock tongue 1102 is movably connected with the left side rod 101 and at least partially exposed on the outer surface of the left side rod 101, and the lock tongue 1102 exposed on the outer surface of the left side rod 101 is located at the rear side of the left side rod 101, so that a user can press and unlock the latch conveniently; one of the left locking pieces is arranged in the middle of the left side rod 101, and when the station seat board mechanism is in the first working state or the second working state, the lock tongue 1102 of the left locking piece is inserted into the hole of the left sliding piece 1031, so that the station seat board mechanism is locked in the first working state and the second working state; the other left locking piece is arranged on the upper part of the left side rod 101, and when the seat board mechanism is in the third working state, the lock tongue 1102 of the left locking piece is inserted into the hole of the left sliding piece 1031, so that the seat board mechanism is locked in the third working state; when unlocking is needed, the lock tongue 1102 is pressed, and the lock tongue 1102 is separated from the hole of the left slider 1031.
The stopper 111 is fixedly provided in the middle of the left side lever 101 and the middle of the right side lever 102.
Specifically, referring to fig. 1 and 2, the limiting mechanism 111 includes a left limiting member 1111 and a right limiting member 1112, the left limiting member 1111 and the right limiting member 1112 are limiting rings, which are respectively sleeved on the left side lever 101 and the right side lever 102, and the left limiting member 1111 is located below the left sliding member 1031, and the right limiting member 1112 is located below the right sliding member 1032.
The frame 1 in this embodiment further includes a left front leg 112, a right front leg 113, a left rear leg, a right rear leg, and a push handle bar 114, the front wheels 3 are respectively disposed below the left front leg 112 and the right front leg 113, the rear wheels 4 are respectively disposed below the left rear leg and the right rear leg, and the left rear leg and the right rear leg are respectively the left side bar 101 and the right side bar 102. In other embodiments, the left and right front legs 112, 113 are the left and right side bars 101, 102, respectively. Referring to fig. 11, the upper part of the left front leg 112, the upper part of the right front leg 113, the upper part of the left side lever 101, the upper part of the right side lever 102, and the lower part of the push handle lever 114 are rotatably connected about the rotation center line X, and the frame 1 is foldable.
Referring to fig. 3, 5, 7 and 8, the seat 2 in this embodiment is slidably connected to the left front leg 112 along the extending direction of the left front leg 112 and also slidably connected to the right front leg 113 along the extending direction of the right front leg 113, so that when the seat board mechanism carries a child, the position of the seat 2 can be adjusted according to the height and the body shape of the child, so that enough space can be reserved for the child located on the seat board mechanism, and comfortable standing/sitting experience can be provided for the child.
Working principle:
when the seat pan mechanism is in the first operational state, the seat pan 106 is disposed on the upper link 104 with the bearing surface of the seat pan 106 parallel to the upper link 104, the lower link 105 perpendicular to the upper link 104, and the locking mechanism 110 locks the seat pan mechanism in the first operational state and a child may sit on the seat pan 106.
When the seat pan mechanism is in the second operational state, the seat pan 106 is disposed on the lower link 105 and the bearing surface of the seat pan 106 is parallel to the lower link 105, the lower link 105 is perpendicular to the upper link 104, and the locking mechanism 110 locks the seat pan mechanism in the second operational state, and a child can stand on the seat pan 106.
When the seat plate mechanism is not required to be used, the locking mechanism 110 is unlocked, the left slider 1031 and the right slider 1032 slide upward along the direction of the left center straight line and the direction of the right center straight line, respectively, and when the lower link 105 and the upper link 104 are both parallel to the left side lever 101 and the right side lever 102, the seat plate mechanism is in the third operating state, the locking mechanism 110 locks the seat plate mechanism in the third operating state, and the seat plate mechanism is folded.
When the seat board mechanism needs to be converted from the first working state to the second working state or from the second working state to the first working state, the locking mechanism 110 is unlocked, the seat board mechanism is firstly converted to the third working state, the locking mechanism 110 is kept in the unlocking state, and then the seat board mechanism can be converted to the corresponding working state.
Example 2
The structure of this embodiment is substantially the same as that of embodiment 1, and only the differences between this embodiment and embodiment 1 are described below, and the same parts will not be repeated.
The station board mechanism of the present embodiment does not include the slider 103, the first rotation shaft 107, and the stopper mechanism 111.
Referring to fig. 12 and 13, one end of the upper link 104 in this embodiment is slidably connected to the left side lever 101 in the direction of the left center straight line and also slidably connected to the right side lever 102 in the direction of the right center straight line.
Specifically, the left side rod 101 is provided with a left guide groove (not shown in the figure), the left guide groove extends along the left center straight line direction, one end of the left guide groove is positioned at the upper part of the left side rod 101, the other end of the left guide groove is positioned at the middle part of the left side rod 101, one end of the left upper connecting rod 1041 is provided with a left guide pin 1151, and the left guide pin 1151 is inserted in the left guide groove; the right side rod 102 is provided with a right guide groove 1021, the right guide groove 1021 extends along the right center straight line direction, one end of the right guide groove 1021 is positioned at the upper part of the right side rod 102, the other end of the right guide groove 1021 is positioned at the middle part of the right side rod 102, one end of the right upper connecting rod 1042 is provided with a right guide pin (not shown in the figure), and the right guide pin is inserted into the right guide groove 1021.
A locking mechanism 110 (not shown) in this embodiment is disposed between the upper link 104 and the lower link 105, and has a locked state and an unlocked state, for locking the seat plate mechanism in the corresponding operating state in the locked state, in which the seat plate mechanism can be switched between the operating states, and the structure of the locking mechanism 110 can refer to the prior art.
The present invention has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (21)
1. A station bedplate mechanism, characterized in that: it comprises
A left side bar having a left center line;
the right side rod is provided with a section of right center straight line, and the left center straight line and the right center straight line are positioned in the same plane;
the sliding piece is connected with the left side rod in a sliding way along the direction of the left center straight line, or/and the sliding piece is connected with the right side rod in a sliding way along the direction of the right center straight line;
one end of the upper connecting rod is pivotally connected with the sliding piece through a first rotating shaft;
one end part of the lower connecting rod is pivotally connected with the other end part of the upper connecting rod through a second rotating shaft, and the other end part of the lower connecting rod is pivotally connected with the left side rod through a third rotating shaft; the other end part of the lower connecting rod is also in pivot connection with the right side edge rod through a third rotating shaft;
a station seat board connected to the upper connecting rod or/and the lower connecting rod, wherein the station seat board is provided with a bearing surface;
the station seat board mechanism has at least two working states of the following three working states:
the bearing surface of the station board connected to the upper connecting rod is approximately parallel to the horizontal plane in the first working state;
the bearing surface of the station board connected to the lower connecting rod is approximately parallel to the horizontal plane in the second working state;
in a third working state, the upper connecting rod and the lower connecting rod are close to the left side rod and the right side rod; the station seat board mechanism also comprises a locking mechanism or/and a limiting mechanism; the locking mechanism is provided with a locking state and an unlocking state, and is used for locking the station seat board mechanism in the corresponding working state in the locking state, and the station seat board mechanism can be switched between the working states in the unlocking state; and the limiting mechanism is used for limiting the sliding piece or the upper connecting rod when the station seat board mechanism is in the first working state or the second working state.
2. The station chair plate mechanism of claim 1 wherein: the left center straight line and the right center straight line are parallel to each other.
3. The station chair plate mechanism of claim 1 wherein: the sliding piece comprises a left sliding piece and a right sliding piece, the upper connecting rod comprises an upper left connecting rod and an upper right connecting rod, and the lower connecting rod comprises a lower left connecting rod and a lower right connecting rod; the first rotating shaft comprises a first left rotating shaft and a first right rotating shaft; the second rotating shaft comprises a second left rotating shaft and a second right rotating shaft; the third rotating shaft comprises a third left rotating shaft and a third right rotating shaft;
the left sliding piece is connected with the left side rod in a sliding manner along the direction of the left center straight line, and the right sliding piece is connected with the right side rod in a sliding manner along the direction of the right center straight line;
one end part of the left upper connecting rod is pivotally connected with the left sliding piece through the first left rotating shaft, and one end part of the right upper connecting rod is pivotally connected with the right sliding piece through the first right rotating shaft;
one end part of the left lower connecting rod is pivotally connected with the other end part of the left upper connecting rod through the second left rotating shaft, and the other end part of the left lower connecting rod is pivotally connected with the left side rod through the third left rotating shaft; one end part of the right lower connecting rod is pivotally connected with the other end part of the right upper connecting rod through the second right rotating shaft, and the other end part of the right lower connecting rod is pivotally connected with the right side rod through the third right rotating shaft.
4. A station pan mechanism according to claim 3, characterised in that: the left sliding piece and the right sliding piece are sliding sleeves and are respectively sleeved on the left side rod and the right side rod.
5. A station pan mechanism according to claim 3, characterised in that: the left upper connecting rod and the right upper connecting rod are connected into a whole in a rigid way, and the left lower connecting rod and the right lower connecting rod are connected into a whole in a rigid way.
6. The station chair plate mechanism of claim 5 wherein: the station seat board is rigidly connected with the left upper connecting rod and the right upper connecting rod into a whole; the station seat board is connected with the left lower connecting rod and the right lower connecting rod into a whole in a rigid way.
7. The station chair plate mechanism of claim 1 wherein: the locking mechanism is arranged between the sliding piece and the left side rod, or/and the locking mechanism is arranged between the sliding piece and the right side rod;
the limiting mechanism is fixedly arranged in the middle of the left side rod and positioned below the sliding piece, or/and the limiting mechanism is fixedly arranged in the middle of the right side rod and positioned below the sliding piece.
8. The station chair plate mechanism of claim 1 wherein: in the first working state, the upper connecting rod is parallel to the bearing surface, and the lower connecting rod is perpendicular to the upper connecting rod;
in the second working state, the lower connecting rod is parallel to the bearing surface, and the lower connecting rod is perpendicular to the upper connecting rod;
in the third working state, the lower connecting rod and the upper connecting rod are parallel to the left side rod or/and the right side rod.
9. The station chair plate mechanism of claim 1 wherein: the station seat board is detachably connected with the upper connecting rod, or/and the station seat board is detachably connected with the lower connecting rod.
10. A station bedplate mechanism, characterized in that: it comprises
A left side bar having a left center line;
the right side rod is provided with a section of right center straight line, and the left center straight line and the right center straight line are positioned in the same plane;
an upper link, one end of which is slidably connected to the left side bar along the direction of the left center line, or/and one end of which is slidably connected to the right side bar along the direction of the right center line;
one end part of the lower connecting rod is pivotally connected with the other end part of the upper connecting rod through a second rotating shaft, and the other end part of the lower connecting rod is pivotally connected with the left side rod through a third rotating shaft; the other end part of the lower connecting rod is also in pivot connection with the right side edge rod through a third rotating shaft;
a station seat board connected to the upper connecting rod or/and the lower connecting rod, wherein the station seat board is provided with a bearing surface;
the station seat board mechanism has at least two working states of the following three working states:
the bearing surface of the station board connected to the upper connecting rod is approximately parallel to the horizontal plane in the first working state;
the bearing surface of the station board connected to the lower connecting rod is approximately parallel to the horizontal plane in the second working state;
in the third working state, the upper connecting rod and the lower connecting rod are close to the left side rod and the right side rod;
the station seat board mechanism also comprises a locking mechanism, wherein the locking mechanism is provided with a locking state and an unlocking state, the locking mechanism is used for locking the station seat board mechanism in a corresponding working state in the locking state, and the station seat board mechanism can be switched between the working states in the unlocking state; the station seat board mechanism is in the first working state or the second working state.
11. The station chair plate mechanism of claim 10 wherein: the left center straight line and the right center straight line are parallel to each other.
12. The station chair plate mechanism of claim 10 wherein: the upper connecting rod comprises a left upper connecting rod and a right upper connecting rod, and the lower connecting rod comprises a left lower connecting rod and a right lower connecting rod; the second rotating shaft comprises a second left rotating shaft and a second right rotating shaft; the third rotating shaft comprises a third left rotating shaft and a third right rotating shaft;
one end of the left upper connecting rod is connected with the left side rod in a sliding manner along the direction of the left center straight line, and one end of the right upper connecting rod is connected with the right side rod in a sliding manner along the direction of the right center straight line;
one end part of the left lower connecting rod is pivotally connected with the other end part of the left upper connecting rod through a second left rotating shaft, and the other end part of the left lower connecting rod is pivotally connected with the left side edge rod through a third left rotating shaft; one end part of the right lower connecting rod is pivotally connected with the other end part of the right upper connecting rod through a second right rotating shaft, and the other end part of the right lower connecting rod is pivotally connected with the right side edge rod through a third right rotating shaft.
13. The station chair plate mechanism of claim 12 wherein: the left side rod is provided with a left guide groove, the left guide groove extends along the left center straight line direction, one end part of the left upper connecting rod is provided with a left guide pin, and the left guide pin is inserted into the left guide groove; the right side rod on open and have right guide way, right guide way along right center straight line direction extend, right upper connecting rod's one end be equipped with right guide pin, right guide pin insert in right guide way.
14. The station chair plate mechanism of claim 12 wherein: the left upper connecting rod and the right upper connecting rod are connected into a whole in a rigid way, and the left lower connecting rod and the right lower connecting rod are connected into a whole in a rigid way.
15. The station chair plate mechanism of claim 14 wherein: the station seat board is rigidly connected with the left upper connecting rod and the right upper connecting rod into a whole; the station seat board is connected with the left lower connecting rod and the right lower connecting rod into a whole in a rigid way.
16. The station chair plate mechanism of claim 10 wherein: the locking mechanism is arranged between the upper connecting rod and the lower connecting rod.
17. The station chair plate mechanism of claim 10 wherein: in the first working state, the upper connecting rod is parallel to the bearing surface, and the lower connecting rod is perpendicular to the upper connecting rod;
in the second working state, the lower connecting rod is parallel to the bearing surface, and the lower connecting rod is perpendicular to the upper connecting rod;
in the third working state, the lower connecting rod and the upper connecting rod are parallel to the left side rod or/and the right side rod.
18. The station chair plate mechanism of claim 10 wherein: the station seat board is detachably connected with the upper connecting rod, or/and the station seat board is detachably connected with the lower connecting rod.
19. The utility model provides a children's shallow, includes the frame, set up in the seat on the frame, set up in the preceding wheel of frame front portion below, set up in the rear wheel of frame rear portion below, its characterized in that: the frame further comprises a seat pan mechanism as claimed in any one of claims 1 to 9, or the frame further comprises a seat pan mechanism as claimed in any one of claims 10 to 18, the left side bar and the right side bar being bars on the frame.
20. The stroller of claim 19, wherein: the frame include left front leg, right front leg, left back leg, right back leg, the below of left front leg and right front leg be provided with respectively the front wheel, the below of left back leg and right back leg be provided with respectively the rear wheel, left back leg, right back leg be respectively left side pole and right side pole.
21. The stroller of claim 19, wherein: the frame include left front leg, right front leg, left back leg, right back leg, the below of left front leg and right front leg be provided with respectively the front wheel, the below of left back leg and right back leg be provided with respectively the rear wheel, left front leg, right front leg be respectively left side pole and right side pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210683812.5A CN115285207B (en) | 2022-06-16 | 2022-06-16 | Seat board standing mechanism and child cart |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210683812.5A CN115285207B (en) | 2022-06-16 | 2022-06-16 | Seat board standing mechanism and child cart |
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| Publication Number | Publication Date |
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| CN115285207A CN115285207A (en) | 2022-11-04 |
| CN115285207B true CN115285207B (en) | 2023-11-24 |
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| CN202210683812.5A Active CN115285207B (en) | 2022-06-16 | 2022-06-16 | Seat board standing mechanism and child cart |
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| CN (1) | CN115285207B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115285207A (en) | 2022-11-04 |
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