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CN202935408U - A connecting device of a folding car and a baby carriage using the connecting device - Google Patents

A connecting device of a folding car and a baby carriage using the connecting device Download PDF

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Publication number
CN202935408U
CN202935408U CN 201220363713 CN201220363713U CN202935408U CN 202935408 U CN202935408 U CN 202935408U CN 201220363713 CN201220363713 CN 201220363713 CN 201220363713 U CN201220363713 U CN 201220363713U CN 202935408 U CN202935408 U CN 202935408U
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China
Prior art keywords
pivot
connecting device
hinged
joint
base
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CN 201220363713
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Chinese (zh)
Inventor
曾培安
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Chen Cuiwei
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Individual
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Abstract

The utility model discloses a connecting device of a folding bicycle, which comprises a base, a first joint and a second joint, wherein the first joint and the second joint are hinged on the base, the first joint is hinged with a first connecting rod, the second joint is hinged with a second connecting rod, the other ends of the first connecting rod and the second connecting rod are respectively hinged with a sliding block, the bottom of the base is provided with a third connecting part, and the sliding block slides along the length direction of the third connecting part; be equipped with first draw-in groove on the first joint, be equipped with the second draw-in groove on the second joint, install the bayonet lock on the base, the bayonet lock lower extreme is connected with the control lever, and the bayonet lock inlays in first draw-in groove and second draw-in groove after connecting device opens, and the sticking department is closed, and the control lever pulling bayonet lock leaves first draw-in groove and second draw-in groove and makes the sticking department open. When a user pulls the second joint to rotate towards the outside, the upper end of a second connecting rod connected with the second joint moves upwards, the second connecting rod drives the sliding block and the first connecting rod to move upwards, so that the first joint connected with the first connecting rod rotates towards the outside, and the effect of opening by one hand is achieved.

Description

A kind of connecting device of folded bicycle and use the perambulator of this connecting device
(1) technical field:
But the utility model relates to a kind of connecting device of folded bicycle and uses the perambulator of the capable of being folded by single hand of this connecting device.
(2) background technology:
existing perambulator, comprise vehicle frame and seat, vehicle frame comprises front foot pipe, rear foot tube, handle pipe, front foot pipe, rear foot tube and handle pipe couple together by described connecting device, but in order to reach the effect of opened by one hand, described connecting device comprises the upper joint that is connected with handle pipe, the hypozygal that is connected with front foot pipe, and be arranged on releasing unit on rear foot tube, upper joint and hypozygal are provided with pitch wheel, when the user need fold perambulator, can pull releasing unit, then press down handle pipe, the upper joint that is connected with handle pipe rotates to the rear foot tube direction by the gear driven hypozygal, make the front foot pipe automatic retracting.But the connecting device of this structure, the assembling trouble, gear is easy to wear, has to carry out improved necessity.
(3) utility model content:
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of connecting device of simple in structure, folded bicycle that assembling is simple, easy to use.
The utility model is to realize by following technical scheme:
A kind of connecting device of folded bicycle is characterized in that: comprise pedestal, base bottom is provided with the 3rd connecting portion, and the 3rd connecting portion both sides respectively have an elongated opening;
The first joint comprises interconnective the first pivot section and the first bull stick, and the first pivot section rotating hinge is connected on pedestal, and the first bull stick is connected with the first connecting portion outside one of described opening reaches pedestal;
Second joint comprises interconnective the second pivot section and the second bull stick, and the second pivot section rotating hinge is connected on pedestal, and the second bull stick reaches outside pedestal from another opening of pedestal and is connected with the second connecting portion;
Linkage part, comprise slide block, first connecting rod and second connecting rod, first connecting rod and second connecting rod lay respectively at the 3rd connecting portion both sides, first connecting rod upper end and the first joint are hinged, second connecting rod upper end and second joint are hinged, first connecting rod lower end and second connecting rod lower end are hinged with slide block respectively, be provided with horizontal projection and lower horizontal projection in described pedestal, be provided with upper straight trough and lower straight trough along the 3rd connecting portion length direction accordingly on slide block, slide block is by the cooperation lower slider of upper straight trough and upper horizontal projection, lower horizontal projection and lower straight trough;
Locking part, comprise interconnective bayonet lock and control stalk, bayonet lock is arranged on pedestal, the 3rd connecting portion top, described the first pivot section is provided with the first draw-in groove, the second pivot section is provided with the second draw-in groove, and bayonet lock is embedded in the first draw-in groove and the second draw-in groove after connecting device is opened, and locking part is closed, control stalk is arranged on outside the 3rd connecting portion, and control stalk pulls bayonet lock to leave the first draw-in groove and the second draw-in groove is opened locking part.
Horizontal projection described above and lower horizontal projection arrange along the 3rd connecting portion length direction.
Horizontal projection described above is the rotating shaft that crosses at the pedestal center, and the first pivot section center of circle is hinged in rotating shaft, and in the first pivot section, be provided with the first projection with the first bull stick homonymy, the first connecting rod upper end is hinged on the first projection; The second pivot section center of circle is hinged in rotating shaft, and in the second pivot section, be provided with the second projection with the second bull stick homonymy, the second connecting rod upper end is hinged on the second projection.
In the first pivot section described above, the first projection offside is provided with the first arc-shaped slot take rotating shaft as the center of circle, and the first projection and the first arc-shaped slot are on same circumference; Before the first pivot section was stacked in the second pivot section, described the second projection passed the first arc-shaped slot and is connected with the second connecting rod upper end.
In the second pivot section described above, the second projection offside is provided with the second arc-shaped slot take rotating shaft as the center of circle, and the second projection and the second arc-shaped slot are on same circumference; Before the second pivot section was stacked in the first pivot section, described the first projection passed the second arc-shaped slot and is connected with the first connecting rod upper end.
The first bull stick described above and the first pivot section tangential, described the first projection are positioned at the first bull stick below; Described the second bull stick and the second pivot section tangential, described the second projection are positioned at the second bull stick below.
The bayonet lock of locking part described above is T-shaped bayonet lock, on pedestal, the 3rd connecting portion top is provided with a containing cavity, T-shaped bayonet lock is arranged in containing cavity, the vertical section overcoat of T-shaped bayonet lock has spring, spring one side pressure is in the transverse part of T-shaped bayonet lock bottom, and the other end is pressed in the containing cavity bottom surface, and when connecting device is opened, the first draw-in groove and the second draw-in groove are overlapping, the transverse part of T-shaped bayonet lock is embedded in the first draw-in groove and the second draw-in groove by spring pressure, and locking part is closed; Be connected by a gentle silk bottom the vertical section of described T-shaped bayonet lock with between described control stalk, control stalk is hinged on outside the 3rd connecting portion, control stalk rotates the first gentle silk is moved down, and T-shaped bayonet lock against the force of the spring leaves the first draw-in groove and the second draw-in groove, and locking part is opened.
Another purpose of the present utility model is to provide a kind of perambulator of using connecting device described above, it is characterized in that: comprise vehicle frame and seat, vehicle frame comprises front foot pipe, rear foot tube, handle pipe, front foot pipe, rear foot tube and handle pipe couple together by described connecting device, the first connecting portion of connecting device is connected with front foot pipe, the second connecting portion is connected with handle pipe, the 3rd connecting portion is connected with rear foot tube, the control stalk of the connecting device of perambulator both sides is connected by cross bar, and cross bar crosses at the seat rear side.
Seat described above is cloth seat, and the front side at seat is connected with two front foot pipe, and the seat rear side is fixed by described cross bar, and the seat rear side is connected to form backrest from cross bar top extension with handle pipe.
Compared with prior art, the utility model is simple in structure, when the user pulls the second connecting portion and laterally rotates, the second connecting rod upper end that is connected with the second pivot section moves up, and slide block is driven upward sliding by second connecting rod under the restriction of upper horizontal projection and lower horizontal projection, because the first connecting rod lower end also is hinged on slide block, upward sliding promotion first connecting rod upper end, first connecting rod lower end is upward movement also, and the first connecting portion is laterally rotated, and has reached the singlehanded effect of opening.After connecting device was opened, bayonet lock was embedded in the first draw-in groove and the second draw-in groove, and locking part is closed.The first pivot section and the second same being hinged in rotating shaft of pivot section have been dwindled the volume of connecting device, the folding better effects if.Locking part is arranged on the 3rd connecting portion top, and the structure that makes whole connecting device is concision and compact more.Use the perambulator of this connecting device, fold easily, use safety.
(4) description of drawings:
Fig. 1 is schematic appearance of the present utility model;
Fig. 2 is explosive element figure of the present utility model;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the A-A cut-away view of Fig. 1;
Fig. 5 is the schematic internal view of the utility model open mode;
Fig. 6 is that the utility model folds the schematic internal view in process;
Fig. 7 is the structural representation of perambulator described in the utility model when opening;
Fig. 8 is the body frame structure for automotive schematic diagram of perambulator described in the utility model;
Structural representation when Fig. 9 is baby-carrier folding described in the utility model;
(5) specific embodiment:
Below in conjunction with accompanying drawing, the utility model is described in detail:
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the connecting device 1 of a kind of folded bicycle described in the utility model, pedestal 10, pedestal 10 bottoms are provided with the 3rd connecting portion 12, the three connecting portion 12 both sides and respectively have an elongated opening 11;
The first joint comprises that interconnective the first pivot section 24 and the first bull stick 23, the first pivot section 24 rotating hinges are connected on pedestal 10, and the first bull stick 23 is connected with the first connecting portion 21 outside one of described opening 11 reaches pedestal 10;
Second joint comprises that interconnective the second pivot section 34 and the second bull stick 33, the second pivot section 34 rotating hinges are connected on pedestal 10, and the second bull stick 33 reaches outside pedestal 11 from pedestal 10 another openings 11 and is connected with the second connecting portion 31;
linkage part, comprise slide block 43, first connecting rod 41 and second connecting rod 42, first connecting rod 41 and second connecting rod 42 lay respectively at the 3rd connecting portion 12 both sides, first connecting rod 41 upper end a and the first joint are hinged, second connecting rod 42 upper end b and second joint are hinged, first connecting rod 41 lower end c, second connecting rod 42 lower end d are hinged with slide block 43 respectively, described pedestal 10 is interior is provided with upper horizontal projection and lower horizontal projection 14 along the 3rd connecting portion length direction, be provided with upper straight trough 44 and lower straight trough 45 along the 3rd connecting portion 12 length directions accordingly on slide block 43, slide block 43 is by upper straight trough 44 and upper horizontal projection, the cooperation lower slider of lower horizontal projection 14 and lower straight trough 45,
Locking part, comprise interconnective bayonet lock and control stalk 51, bayonet lock is arranged on pedestal 10, the 3rd connecting portion 12 tops, described the first pivot section 24 is provided with the first draw-in groove 25, the second pivot section 34 is provided with the second draw-in groove 35, and bayonet lock is embedded in the first draw-in groove 25 and the second draw-in groove 35 after connecting device is opened, and locking part is closed, control stalk 51 is arranged on the 3rd connecting portion 12 outsides, and control stalk 51 pulls bayonet lock to leave the first draw-in groove 25 and the second draw-in groove 35 is opened locking part.
Particularly, horizontal projection described above is that rotating shaft 13, the first pivot section 24 centers of circle that cross at the pedestal center are hinged in rotating shaft 13, and in the first pivot section 24, be provided with the first projection 22 with the first bull stick 23 homonymies, first connecting rod 41 upper ends are hinged on the first projection 22; Second pivot section 34 centers of circle are hinged in rotating shaft 13, and in the second pivot section 34, be provided with the second projection 32 with the second bull stick 33 homonymies, second connecting rod 42 upper ends are hinged on the second projection 32.
In the first pivot section 24 described above, the first projection 22 offsides are provided with the first arc-shaped slot 26, the first projections 22 and the first arc-shaped slot 26 on same circumference take rotating shaft 13 as the center of circle; Before the first pivot section 24 was stacked in the second pivot section 34, described the second projection 32 passed the first arc-shaped slot 26 and is connected with second connecting rod 42 upper end b.During connecting device 1 folding, described the second projection 32 is in the first interior activity of arc-shaped slot 26.
The first bull stick 23 described above and the first pivot section 24 tangential, described the first projection 22 are positioned at the first bull stick 23 belows; Described the second bull stick 33 and the second pivot section 34 tangential, described the second projection 32 are positioned at the second bull stick 33 belows.
The bayonet lock of above-mentioned locking part is T-shaped bayonet lock, on pedestal 10, the 3rd connecting portion 12 tops are provided with a containing cavity 15, T-shaped bayonet lock is arranged in containing cavity 15, vertical section 53 overcoats of T-shaped bayonet lock have spring 54, spring 54 1 side pressures are in transverse part 52 bottoms of T-shaped bayonet lock, and the other end is pressed in containing cavity 15 bottom surfaces, and when connecting device is opened, the first draw-in groove 25 and the second draw-in groove 35 are overlapping, the transverse part 52 of T-shaped bayonet lock is embedded in the first draw-in groove 25 and the second draw-in groove 35 by spring 54 pressure, and locking part is closed; Be connected by a gentle silk 55 between vertical section 53 bottoms of described T-shaped bayonet lock and described control stalk 51, control stalk 51 is hinged on the 3rd connecting portion 12 outsides, control stalk 12 rotates the first gentle silk 55 is moved down, T-shaped bayonet lock overcomes spring 54 resistances and leaves the first draw-in groove 25 and the second draw-in groove 35, and locking part is opened.
On pedestal 10 described above, containing cavity 15 1 sides are provided with longitudinal slot 16 along the 3rd connecting portion 12 length directions, described slide block 43 is arranged in longitudinal slot 16, described lower horizontal projection 14 is located on longitudinal slot 16 sidewalls.
In order to be applied in symmetrically on folded bicycle, in the second pivot section 34 described above, the second projection 32 offsides are provided with the second arc-shaped slot 36, the second projections 32 and the second arc-shaped slot on 36 same circumference take rotating shaft 13 as the center of circle; Before the second pivot section 34 was stacked in the first pivot section 24, described the first projection 22 passed the second arc-shaped slot 36 and is connected with first connecting rod 41 upper end a.During connecting device 1 folding, described the first projection 22 is in the second interior activity of arc-shaped slot 36.
The utility model is work like this:
as Fig. 5, shown in Figure 6, the opening procedure of connecting device: the user pulls the second connecting portion 31 and laterally rotates, the second projection 32 in the second pivot section 34 is upwards movable in the first arc-shaped slot 26, the second projection 32 drives second connecting rod 42 upper end c and moves up, slide block 43 is under the restriction of rotating shaft 13 and locator protrusions 14, driven along the 3rd connecting portion 12 length direction upward slidings by second connecting rod 42, 41 lower end b also are hinged on slide block 43 due to first connecting rod, first connecting rod 41 lower end b upward slidings promote first connecting rod 41 upper end a upward movements, the first projection 22 is subject to upwards, and thrust laterally rotates the first bull stick, reached the singlehanded effect of opening.After connecting device 1 was opened, the first draw-in groove 25 and the second draw-in groove 35 were overlapping, and the transverse part 52 of T-shaped bayonet lock is embedded under the effect of spring 54 in the first draw-in groove 25 and the second draw-in groove 35, fixed the first bull stick 23 and the second bull stick 33.
When the user need to fold connecting device 1, only need upwards pull control stalk 51, the first gentle silk 55 drives T-shaped bayonet lock and moves down, T-shaped bayonet lock overcomes spring 54 pressure, its transverse part 52 leaves the first draw-in groove 25 and the second draw-in groove 35, this moment, the user only need pull the first connecting portion 21 or the second connecting portion 31 turns to the inside, and connecting device 1 is automatic retracting.
This connecting device 1 can use at perambulator, row reason car, help on folding products such as going on foot car.
Use the perambulator of connecting device 1 described above, as Fig. 7, Fig. 8, shown in Figure 9, comprise vehicle frame and the seat 6 that is arranged on vehicle frame, vehicle frame comprises front foot pipe 7, rear foot tube 8, handle pipe 9, front foot pipe 7, rear foot tube 8 couple together by described connecting device 1 with handle pipe 9, the first connecting portion 21 of connecting device 1 is connected with front foot pipe 7, the second connecting portion 31 is connected with handle pipe 9, the 3rd connecting portion 12 is connected with rear foot tube 8, the control stalk 51 of the connecting device 1 of perambulator both sides is connected by cross bar 5, and cross bar 5 crosses at seat 6 rear sides.
Seat 6 described above is cloth seat, and the front side at seat 6 is connected with two front foot pipe 7, and seat 6 rear sides are fixing by described cross bar 5, and seat 6 rear sides are connected to form backrest 61 from cross bar 5 tops extensions with handle pipe 9.
After perambulator was opened, cross bar 5 crossed at seat 6 rear sides, and the baby is sitting on seat 6 cross bar is formed a downward pressure, and the control stalk 51 of connecting device 1 is stressed can't rotate, and this moment first, gentle silk 55 loosened, and locking part is closed, and guarantees that perambulator is in open mode; After the baby leaves seat 6, the user can upwards pull cross bar 5 by 6 rear sides from the seat, the cross bar rotation control rod 51 that makes progress unclamps locking piece, this moment, handle pipe 9 fell under the effect of self gravitation naturally, the second connecting portion 31 that drives connecting device 1 rotates, connecting device 1 is folded together, and described handle pipe 9 and front foot pipe 7 are drawn in to rear foot tube 8 automatically, realize the effect of capable of being folded by single hand perambulator.
Above-described embodiment is better embodiment of the present utility model; but embodiment of the present utility model is not limited to this; other are any does not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitute, combination, simplify; be the substitute mode of equivalence, within being included in protection domain of the present utility model.

Claims (9)

1.一种折叠车的连接装置,其特征在于:包括1. A connecting device for a folding car, characterized in that: comprising 基座,基座底部设有第三连接部,第三连接部两侧各开有一长型开口;a base, a third connection part is provided at the bottom of the base, and a long opening is opened on both sides of the third connection part; 第一关节,包括相互连接的第一枢部和第一转杆,第一枢部转动铰接在基座上,第一转杆从所述开口之一伸出到基座外与第一连接部连接;The first joint includes a first pivot part and a first rotating rod connected to each other, the first pivot part is rotatably hinged on the base, and the first rotating rod protrudes from one of the openings to the outside of the base to connect with the first connecting part ; 第二关节,包括相互连接的第二枢部和第二转杆,第二枢部转动铰接在基座上,第二转杆从基座另一开口伸出到基座外与第二连接部连接;The second joint includes a second pivot part and a second rotating rod connected to each other, the second pivot part is rotatably hinged on the base, and the second rotating rod protrudes from another opening of the base to the outside of the base and connects with the second connecting part connect; 连动部,包括滑块、第一连杆和第二连杆,第一连杆与第二连杆分别位于第三连接部两侧,第一连杆上端与第一关节铰接,第二连杆上端与第二关节铰接,第一连杆下端和第二连杆下端分别与滑块铰接,所述基座内设有上横向突起和下横向突起,滑块上对应地沿第三连接部长度方向设有上直槽和下直槽,滑块通过上直槽和上横向突起、下横向突起和下直槽的配合下滑动;The linkage part includes a slider, a first link and a second link. The first link and the second link are respectively located on both sides of the third link. The upper end of the first link is hinged to the first joint, and the second link The upper end of the rod is hinged to the second joint, the lower end of the first connecting rod and the lower end of the second connecting rod are respectively hinged to the slider, and an upper transverse protrusion and a lower transverse protrusion are arranged in the base, and the slider is correspondingly along the third connecting portion There are upper straight grooves and lower straight grooves in the length direction, and the slider slides through the cooperation of the upper straight grooves and the upper transverse protrusions, the lower transverse protrusions and the lower straight grooves; 锁定部,包括相互连接的卡销和控制杆,卡销安装在基座上、第三连接部顶部,所述第一枢部上设有第一卡槽,第二枢部上设有第二卡槽,当连接装置打开后卡销嵌在第一卡槽和第二卡槽内,锁定部关闭,控制杆安装在第三连接部外侧,控制杆拉动卡销离开第一卡槽和第二卡槽使锁定部打开。The locking part includes a bayonet and a control rod connected to each other, the bayonet is installed on the base and the top of the third connecting part, the first pivot is provided with a first slot, and the second pivot is provided with a second The card slot, when the connecting device is opened, the card pin is embedded in the first card slot and the second card slot, the locking part is closed, the control rod is installed outside the third connecting part, and the control rod pulls the card pin to leave the first card slot and the second card slot. The locking part is opened by the locking slot. 2.根据权利要求1所述的一种折叠车的连接装置,其特征在于:所述上横向突起和下横向突起沿第三连接部长度方向设置。2 . The connecting device of a folding bicycle according to claim 1 , wherein the upper transverse protrusion and the lower transverse protrusion are arranged along the length direction of the third connecting portion. 3 . 3.根据权利要求2所述的一种折叠车的连接装置,其特征在于:所述上横向突起为横设于基座中心的转轴,第一枢部圆心铰接在转轴上,第一枢部上、与第一转杆同侧设有第一凸柱,第一连杆上端铰接在第一凸柱上;第二枢部圆心铰接在转轴上,第二枢部上、与第二转杆同侧设有第二凸柱,第二连杆上端铰接在第二凸柱上。3. A connecting device for a folding bike according to claim 2, characterized in that: the upper transverse protrusion is a rotating shaft horizontally arranged at the center of the base, the center of the first pivot is hinged on the rotating shaft, and the first pivot On the same side as the first rotating rod, there is a first protruding post, the upper end of the first connecting rod is hinged on the first protruding post; the center of the second pivot is hinged on the rotating shaft, and on the second The same side is provided with a second boss, and the upper end of the second connecting rod is hinged on the second boss. 4.根据权利要求3所述的一种折叠车的连接装置,其特征在于:所述第一枢部上,第一凸柱对侧以转轴为圆心设有第一弧形通槽,第一凸柱与第一弧形通槽在同一圆周上;第一枢部叠装在第二枢部前,所述第二凸柱穿过第一弧形通槽与第二连杆上端连接。4. A connecting device for a folding bike according to claim 3, characterized in that: on the first pivot part, a first arc-shaped through groove is provided on the opposite side of the first protruding post with the rotating shaft as the center of the circle, and the first The protruding column and the first arc-shaped slot are on the same circumference; the first pivot is stacked in front of the second pivot, and the second protruding post is connected to the upper end of the second connecting rod through the first arc-shaped slot. 5.根据权利要求3所述的一种折叠车的连接装置,其特征在于:所述第二枢部上,第二凸柱对侧以转轴为圆心设有第二弧形通槽,第二凸柱与第二弧形通槽在同一圆周上;第二枢部叠装在第一枢部前,所述第一凸柱穿过第二弧形通槽与第一连杆上端连接。5. A connecting device for a folding bike according to claim 3, characterized in that: on the second pivot part, a second arc-shaped through groove is provided on the opposite side of the second protruding post with the rotating shaft as the center of the circle, and the second The protruding column and the second arc-shaped slot are on the same circumference; the second pivot is stacked in front of the first pivot, and the first protruding post is connected to the upper end of the first connecting rod through the second arc-shaped slot. 6.根据权利要求2、3或4所述的一种折叠车的连接装置,其特征在于:所述第一转杆与第一枢部顶部相切,所述第一凸柱位于第一转杆下方;所述第二转杆与第二枢部顶部相切,所述第二凸柱位于第二转杆下方。6. A connecting device for a folding bike according to claim 2, 3 or 4, characterized in that: the first rotating rod is tangent to the top of the first pivot, and the first protrusion is located at the first rotating below the rod; the second rotating rod is tangent to the top of the second pivot, and the second protrusion is located below the second rotating rod. 7.根据权利要求6所述的一种折叠车的连接装置,其特征在于:所述锁定部的卡销为T型卡销,基座上、第三连接部顶部设有一容置腔, T型卡销安装在容置腔内的,T型卡销的纵部外套有弹簧,弹簧一端压在T型卡销的横部底部,另一端压在容置腔底面,连接装置打开时第一卡槽与第二卡槽重叠,T型卡销的横部受弹簧压力嵌在第一卡槽与第二卡槽内,锁定部关闭;所述T型卡销的纵部底部与所述控制杆之间通过一柔丝连接,控制杆铰接在第三连接部外侧,控制杆转动使第一柔丝向下移动,T型卡销克服弹簧阻力离开第一卡槽与第二卡槽,锁定部打开。7. A connecting device for a folding bicycle according to claim 6, wherein the bayonet pin of the locking part is a T-shaped bayonet, and an accommodating cavity is provided on the base and the top of the third connecting part, T Type bayonet is installed in the accommodating cavity, and the longitudinal part of the T-shaped bayonet is covered with a spring. One end of the spring is pressed against the bottom of the transverse part of the T-shaped bayonet, and the other end is pressed against the bottom surface of the accommodating cavity. When the connecting device is opened, the first The card slot overlaps with the second card slot, and the transverse part of the T-shaped bayonet is embedded in the first card slot and the second card slot by spring pressure, and the locking part is closed; the bottom of the longitudinal part of the T-shaped bayonet is in contact with the control The rods are connected by a flexible wire, the control rod is hinged on the outside of the third connection part, the rotation of the control rod makes the first flexible wire move downward, the T-shaped bayonet overcomes the spring resistance and leaves the first and second bayonet slots, locking part open. 8.一种应用权利要求1至7所述连接装置的婴儿车,其特征在于:包括车架和座位,车架包括前脚管、后脚管、手把管,前脚管、后脚管与手把管通过所述连接装置连接起来,连接装置的第一连接部与前脚管连接,第二连接部与手把管连接,第三连接部与后脚管连接,婴儿车两侧的连接装置的控制杆由横杆连接,横杆横设于座位后侧。8. A baby stroller using the connecting device according to claims 1 to 7, characterized in that it includes a frame and a seat, the frame includes a front leg tube, a rear leg tube, a handle tube, and a front leg tube, a rear leg tube and a handle tube Connected by the connecting device, the first connecting part of the connecting device is connected with the front leg pipe, the second connecting part is connected with the handle pipe, and the third connecting part is connected with the rear leg pipe, and the control levers of the connecting device on both sides of the stroller are controlled by The cross bar is connected, and the cross bar is horizontally arranged on the rear side of the seat. 9.根据权利要求8所述的一种婴儿车,其特征在于:所述座位为布制座位,座位的前侧与两前脚管连接,座位后侧由所述横杆固定,座位后侧从横杆上方延伸与手把管连接形成靠背。9. A stroller according to claim 8, characterized in that: the seat is a cloth seat, the front side of the seat is connected to the two front leg tubes, the rear side of the seat is fixed by the cross bar, and the rear side of the seat is connected from the The top of the cross bar extends and is connected with the handle pipe to form a backrest.
CN 201220363713 2012-07-20 2012-07-20 A connecting device of a folding car and a baby carriage using the connecting device Expired - Fee Related CN202935408U (en)

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CN104401378A (en) * 2014-06-20 2015-03-11 好孩子儿童用品有限公司 Foldable joint and child stroller
CN104494677A (en) * 2014-11-13 2015-04-08 昆山威凯儿童用品有限公司 Joint structure of foldable baby stroller
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US20170166233A1 (en) * 2014-06-20 2017-06-15 Goodbaby Child Products Co., Ltd. Foldable joint and stroller
CN107719455A (en) * 2017-07-21 2018-02-23 中山市永达儿童用品有限公司 A kind of second folding hand basket
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US20170166233A1 (en) * 2014-06-20 2017-06-15 Goodbaby Child Products Co., Ltd. Foldable joint and stroller
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CN104369762A (en) * 2014-11-10 2015-02-25 好孩子儿童用品有限公司 Rotation joint and stroller with rotation joint
CN104494677A (en) * 2014-11-13 2015-04-08 昆山威凯儿童用品有限公司 Joint structure of foldable baby stroller
WO2016106998A1 (en) * 2014-12-29 2016-07-07 昆山威凯儿童用品有限公司 Folding mechanism of seat backrest rod
CN105015607A (en) * 2015-08-05 2015-11-04 苏州逗乐儿童用品有限公司 Folding and releasing joint and children cart
CN105946952A (en) * 2016-06-30 2016-09-21 浙江晨辉婴宝儿童用品有限公司 Baby carriage withdrawing structure and baby carriage
CN105946952B (en) * 2016-06-30 2018-06-19 晨辉婴宝儿童用品有限公司 Baby card folding structure and perambulator
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CN107719455A (en) * 2017-07-21 2018-02-23 中山市永达儿童用品有限公司 A kind of second folding hand basket
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CN109625068B (en) * 2018-11-08 2024-02-27 好孩子儿童用品有限公司 Rotary joint and children article with same
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