CN104192192A - Shake-free closing joint of baby carriage - Google Patents
Shake-free closing joint of baby carriage Download PDFInfo
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- CN104192192A CN104192192A CN201410446230.0A CN201410446230A CN104192192A CN 104192192 A CN104192192 A CN 104192192A CN 201410446230 A CN201410446230 A CN 201410446230A CN 104192192 A CN104192192 A CN 104192192A
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- ball
- joint
- folding
- joint body
- connector bushing
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a shake-free closing joint of a baby carriage, and relates to a closing mechanism used for unfolding baby carriage joints for use or folding and closing the baby carriage joints. The shake-free closing joint is composed of an upper connecting tube, a lower connecting tube, an upper joint body, a lower joint body, a locking mechanism, a pull rope and the like. The locking mechanism further comprises a connecting sleeve tube, an elastic element, a ball mother shaft, a lock hole and the like. Principally, a plurality of sets of balls and ball sleeves sequentially distributed in the axial direction of the ball mother shaft are designed on the ball mother shaft, the matched balls and ball sleeves are in gapless meshing and movable assembling with a shaft hole in the upper joint body and the lock hole in the lower joint body, the assembling structure is a multi-point contact structure between the ball mother shaft and the upper joint body and between the ball mother shaft and the lower joint body, the gapless fit structure can be formed when the ball mother shaft axially moves in the shaft hole of the upper joint body or is axially and movably assembled in the lock hole in the lower joint body, shaking cannot occur in the use process, and therefore the more stable and reliable use performance is brought for unfolding use and folding closing of the baby carriage.
Description
Technical field
The present invention relates to the joint structure for retracting on a kind of perambulator, specifically refer to that perambulator is without rocking folding/unfolding joint.
Background technology
The perambulator using at present all can relate to the structural folding design that folds, by designing retracting structure in the structures such as the vehicle frame at perambulator or joint, the function folding is used and is folded in the expansion that just can realize fast perambulator, for example the folding/unfolding joint of perambulator is exactly a kind of conventional baby car joint retracting structure, " baby-carrier folding joint " that it is 200920216539.5 to disclosed China Patent No. is comparatively similar, mainly by upper connection pipe, lower connection pipe, upper joint, hypozygal, drag-line, the formation such as lockout mechanism and lockhole, on, mutually hinged with on forming between hypozygal, the mutual expansion of lower connection pipe or folding folding, lockout mechanism and lockhole can be separately positioned on upper joint and hypozygal, drag-line forms equipped locking or departs from release for operational lock mechanism and lockhole, in said structure design, lockout mechanism is arranged in upper joint or is fitted in the lockhole of hypozygal, it and upper, contact between hypozygal is all gapped cooperation, it is the function that lockout mechanism has only designed locking or release, it and upper, contact between hypozygal is generally gapped bearing fit, therefore in actual use, on, between lower connection pipe, all can produce and rock, this is also for stability and the reliability that perambulator uses brings very big impact.
Summary of the invention
Technical matters to be solved by this invention is to overcome the defect of prior art and provides the perambulator of a kind of stability in use and better reliability without rocking folding/unfolding joint.
Technical matters of the present invention is achieved through the following technical solutions:
Perambulator is without rocking a folding/unfolding joint, comprise connection pipe, lower connection pipe and respectively plug-in mounting be connected to upper joint and the hypozygal of upper and lower connection pipe end, this upper and lower joint is mutually hinged, between upper and lower joint, is provided with lockout mechanism, in described upper joint, be provided with the drag-line of controlling lockout mechanism release, described hypozygal is provided with the lockhole that coordinates locking with lockout mechanism, described lockout mechanism comprises along upper joint axially makes to connect the axis hole arranging, in axis hole, be provided with the axial movable connector bushing of installing, this connector bushing upper end is connected with drag-line, lower end is connected with the female axle of ball, the female axle lower end of this ball and described lockhole are done equipped or are departed from, the female axle outside face of described ball is provided with many radially annular grooves that distribute successively along the axial work of the female axle of ball, every is radially equipped with ball and the ball sleeve matching in annular groove, this ball sleeve is subject to the axial activity of the female axle of ball and gapless is coincide active mounting in axis hole or gapless is coincide active mounting in lockhole.
The bottom of the described female axle of ball is also provided with hard-wired ball sleeve.
On the end face of described adjacent two ball sleeves, be respectively equipped with engagement gear ring.
Described connector bushing outer wall is provided with two chutes symmetrical and extend axially setting along connector bushing; Described upper joint upper end is provided with hard-wired upper rivet, and on this, rivet passes and is arranged in the chute of connector bushing; In described connector bushing, be provided with elastic element, this elastic element two ends difference pushing tow is on upper rivet and the female axle of ball.
The shaft hole inner wall of described upper joint is provided with along the axially extended guide groove of upper joint, and described connector bushing outer wall is provided with the orienting lug that forms axial active mounting with described guide groove.
Described upper joint is that two hinged disks that be arranged in parallel by the coupling sleeve of upper end and lower end form, and described coupling sleeve plug-in mounting is fixed on the bottom of connection pipe.
Described hypozygal is to consist of the hinged disk of upper end and the adapter shaft of lower end, and described lockhole is arranged on hinged disk; Described adapter shaft plug-in mounting is fixed on the upper end of lower connection pipe.
Compared with prior art, the present invention designs many groups of ball and the ball sleeves that distribute successively along the axial work of the female axle of ball on the female axle of ball, and form the gapless active mounting that coincide by the many groups of balls that match and ball sleeve with axis hole and the lockhole on hypozygal in upper joint, this equipped structure is the female axle and upper of a kind of ball, Multi-contact structure between hypozygal, it can form gapless rolling matching structure when the female axle of ball is axially in the movable axis hole at upper joint or axially in the lockhole of active mounting at hypozygal, use procedure can not produce and rock, therefore use and bring more stable and failure-free in-use performance for the expansion of perambulator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the three-dimensional exploded view of Fig. 1.
Fig. 3 is the sectional structure schematic diagram that the present invention is in the lock state.
Fig. 4 is the sectional structure schematic diagram of the present invention in released state.
Fig. 5 is the sectional structure schematic diagram of the present invention in folding collapse state.
The specific embodiment
To the embodiment of the present invention, elaborate again by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Fig. 5,1. go up connection pipe, 2. descend connection pipe, 3. upper joint, 31. coupling sleeves, 311. guide grooves, 312. axis holes, 32. hinged disks, 4. hypozygal, 41. adapter shafts, 42. hinged disks, 421. lockholes, 5. go up rivet, 6. hinged rivet, 7. play rivet, 8. connector bushing, 81. chutes, 82. orienting lugs, 9. radially annular groove, 92. balls, 93. ball sleeves, 931. engagement gear rings, 94. screws, 10. drag-line, 11. connecting pins, 12. elastic elements, 13. packing rings of the female axle, 91. of ball.
Perambulator is without rocking folding/unfolding joint, as shown in Figure 1 and Figure 2, relate to a kind of for launching to use for baby car joint or the folding retracting mechanism folding, it comprises upper connection pipe 1 and the lower connection pipe 2 that is designed to flat tube configuration, on this, the end of connection pipe 1 is provided with the upper joint 3 that plug-in mounting connects, and the end of lower connection pipe 2 is provided with the hypozygal 4 that plug-in mounting connects.
Described upper joint 3 is that two hinged disks 32 that be arranged in parallel by the coupling sleeve 31 of upper end and lower end form, and coupling sleeve 31 and two hinged disks 32 are made as conjoined structure; Described coupling sleeve 31 is inserted into behind the bottom of connection pipe 1, by upper rivet 5 and packing ring 13, be fixed connection, in coupling sleeve 31, be provided with along coupling sleeve and extend axially and axis hole 312 from connecting between two hinged disks 32, in two opposed inner walls of this axis hole, be respectively equipped with one along the axially extended guide groove 311 of coupling sleeve 31; Described hypozygal 4 is to consist of the hinged disk 42 of upper end and the adapter shaft 41 of lower end, and hinged disk 42 is made as conjoined structure with adapter shaft 41; Described adapter shaft 41 is inserted into behind the upper end of lower connection pipe 2, also by lower rivet 7 and packing ring 13, be fixed connection, described hinged disk 42 is the circle that diameter is identical with two hinged disks 32, and hinged disk 42 is arranged between two hinged disks 32, at concentric place, through realizing between the two hinged after hard-wired hinged rivet 6, between hinged disk 42 and two hinged disks 32, can realize mutual rotation; Meanwhile, in the upper end of hinged disk 42, axis hole 312 positions over against upper joint 3 are provided with a lockhole 421.
In the axis hole 312 of described upper joint 3, be provided with lockout mechanism, this lockout mechanism comprises the connector bushing 8 that is axially movably arranged on the cylindrical tube shape in axis hole, in connector bushing upper end, be connected with drag-line 10, this drag-line is hidden and is arranged in connection pipe 1, and by drag-line 10, has realized the release of lockout mechanism; Described connector bushing 8 lower ends are provided with the female axle 9 of hard-wired ball by connecting pin 11, connector bushing 8 outer walls are provided with two symmetrically arranged orienting lugs 82, these two orienting lug active mountings are in two guide grooves 311 of axis hole 312 inwalls, therefore can realize the axial orientation motion of connector bushing 8 in axis hole 312; Described connector bushing 8 outer walls are also provided with two chutes 81 symmetrical and extend axially setting along connector bushing, and upper rivet 5 on upper joint 3 passes and is arranged in the chute 81 of connector bushing 8, therefore it is spacing to have realized the movement travel of connector bushing 8 in axis hole 312 by chute and upper rivet 5 equipped; The interior elastic element 12 that arranges of described connector bushing 8, this elastic element upper end pushing tow is passing on the upper rivet 5 of connector bushing 8, lower end pushing tow is in the upper end of the female axle 9 of ball, therefore be subject to the pushing tow of elastic element 12 to make connector bushing 8 drive the female axle 9 of ball to be all the state of moving downward under normality, now on this, rivet 5 will be positioned at the top of chute 81.
The female axle 9 of described ball is provided with four, and along the radially annular groove 91 being axially equally spaced the most successively of the female axle of ball, every is radially all embedded with ball 92 in annular groove, outside it, supporting ball sleeve 93 is set again, can be used for preventing that ball 92 is from radially coming off in annular groove 91; Simultaneously, the bottom of the female axle 9 of ball is also provided with the fixing ball sleeve of screw 94 93, on the end face of adjacent two ball sleeves, be respectively equipped with engagement gear ring 931, so that connect closely, and ball sleeve 93 can be subject to the axial activity of the female axle 9 of ball and gapless is coincide active mounting axis hole 312 in or the identical active mounting of gapless in lockhole 421.
The present invention has deployed condition and folding collapse state, during deployed condition as shown in Figure 3, Figure 4, its upper and lower connection pipe 1,2 is on same level line, connector bushing 8 is subject to the pushing tow of elastic element 12 to drive the female axle of ball 9 lower ends to be fitted in the lockhole 421 of hypozygal 4 through axis hole 312, now between upper and lower joint, cannot rotate, this state is expansion lock-out state, namely the normal operating condition of perambulator; During folding folding as shown in Figure 5, the elastic band that need pull drag-line 10 and overcome elastic element 12 sleeve pipe 8 upward movements that are dynamically connected, upper rivet 5 will be positioned at chute 81 bottom, the upward movement of connector bushing 8 will drive also upward movement of the female axle 9 of the ball being connected with its lower end, thereby make the female axle of ball lower end from the interior disengaging of lockhole 421 of hypozygal 4, upper and lower connection pipe just can form folded state, namely the folding rounding state of perambulator.In forming the course of action of above-mentioned deployed condition or folding collapse state, by the many groups of balls that match 92 and ball sleeve 93, form the gaplesss active mounting that coincide with axis hole 312 and the lockhole on hypozygal 4 421 in upper joint 3, therefore use and fold to fold to bring for the expansion of whole perambulator, more stablize and failure-free in-use performance.
Claims (7)
1. a perambulator is without rocking folding/unfolding joint, comprise connection pipe (1), lower connection pipe (2) and respectively plug-in mounting be connected to upper joint (3) and the hypozygal (4) of upper and lower connection pipe end, this upper and lower joint is mutually hinged, between upper and lower joint (3,4), is provided with lockout mechanism, in described upper joint (3), be provided with the drag-line (10) of controlling lockout mechanism release, described hypozygal (4) is provided with the lockhole (421) that coordinates locking with lockout mechanism, described lockout mechanism comprises along upper joint (3) axially makes to connect the axis hole (312) arranging, in axis hole, be provided with the axial movable connector bushing (8) of installing, this connector bushing upper end is connected with drag-line (10), lower end is connected with the female axle (9) of ball, the female axle lower end of this ball and described lockhole (421) are done equipped or depart from, it is characterized in that female axle (9) outside face of described ball is provided with many radially annular grooves (91) that distribute successively along the axial work of the female axle of ball, every is radially equipped with ball (92) and the ball sleeve (93) matching in annular groove, this ball sleeve be subject to the axial activity of the female axle of ball (9) and gapless is coincide active mounting axis hole (312) in or the identical active mounting of gapless in lockhole (421).
2. perambulator according to claim 1, without rocking folding/unfolding joint, is characterized in that the bottom of the female axle of described ball (9) is also provided with hard-wired ball sleeve (93).
3. perambulator according to claim 1 and 2, without rocking folding/unfolding joint, is respectively equipped with engagement gear ring (931) on the end face of adjacent two ball sleeves (93) described in it is characterized in that.
4. perambulator according to claim 1 and 2, without rocking folding/unfolding joint, is characterized in that described connector bushing (8) outer wall is provided with two chutes (81) symmetrical and extend axially setting along connector bushing; Described upper joint (3) upper end is provided with hard-wired upper rivet (5), and on this, rivet passes and is arranged in the chute (81) of connector bushing (8); In described connector bushing (8), be provided with elastic element (12), this elastic element two ends difference pushing tow is on upper rivet (5) and the female axle of ball (9).
5. perambulator according to claim 1 and 2 is without rocking folding/unfolding joint, axis hole (312) inwall that it is characterized in that described upper joint (3) is provided with along the axially extended guide groove of upper joint (311), and described connector bushing (8) outer wall is provided with the orienting lug (82) that forms axial active mounting with described guide groove (311).
6. perambulator according to claim 1 and 2 is without rocking folding/unfolding joint, it is characterized in that described upper joint (3) is to consist of the coupling sleeve (31) of upper end and two hinged disks (32) that be arranged in parallel of lower end, described coupling sleeve (31) plug-in mounting is fixed on the bottom of connection pipe (1).
7. perambulator according to claim 1 and 2 is without rocking folding/unfolding joint, it is characterized in that described hypozygal (4) is to consist of the hinged disk (42) of upper end and the adapter shaft (41) of lower end, described lockhole (421) is arranged on hinged disk (42); Described adapter shaft (41) plug-in mounting is fixed on the upper end of lower connection pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446230.0A CN104192192B (en) | 2014-09-04 | 2014-09-04 | Perambulator is without rocking folding/unfolding joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446230.0A CN104192192B (en) | 2014-09-04 | 2014-09-04 | Perambulator is without rocking folding/unfolding joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104192192A true CN104192192A (en) | 2014-12-10 |
| CN104192192B CN104192192B (en) | 2016-05-04 |
Family
ID=52077624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410446230.0A Expired - Fee Related CN104192192B (en) | 2014-09-04 | 2014-09-04 | Perambulator is without rocking folding/unfolding joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104192192B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5244228A (en) * | 1992-02-08 | 1993-09-14 | Sunshon Molding Co., Ltd. | Collapsible device for a baby carriage |
| US5645293A (en) * | 1995-07-28 | 1997-07-08 | Cheng; Ying-Hsiung | Collapsible structure for a stroller |
| US6238125B1 (en) * | 1999-04-28 | 2001-05-29 | Kao-Hsien Lin | Structure of a joint for bracing rods of a baby stroller |
| TW201111211A (en) * | 2009-09-17 | 2011-04-01 | Unique Product & Design Co Ltd | Collapse joint of baby trolley |
| CN103318243A (en) * | 2013-06-20 | 2013-09-25 | 上海贝翔婴儿用品有限公司 | Anti-pinch locking joint of baby carriage and baby carriage |
| US20140056638A1 (en) * | 2012-08-22 | 2014-02-27 | Lerado (Zhong Shan) Industrial Co., Ltd. | Pivot joint for a stroller frame |
| CN203766856U (en) * | 2014-02-24 | 2014-08-13 | 宁波妈咪宝婴童用品制造有限公司 | Folding mechanism for baby carriage handle pipe |
| CN204124174U (en) * | 2014-09-04 | 2015-01-28 | 宁波妈咪宝婴童用品制造有限公司 | Perambulator is without rocking folding/unfolding joint |
-
2014
- 2014-09-04 CN CN201410446230.0A patent/CN104192192B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5244228A (en) * | 1992-02-08 | 1993-09-14 | Sunshon Molding Co., Ltd. | Collapsible device for a baby carriage |
| US5645293A (en) * | 1995-07-28 | 1997-07-08 | Cheng; Ying-Hsiung | Collapsible structure for a stroller |
| US6238125B1 (en) * | 1999-04-28 | 2001-05-29 | Kao-Hsien Lin | Structure of a joint for bracing rods of a baby stroller |
| TW201111211A (en) * | 2009-09-17 | 2011-04-01 | Unique Product & Design Co Ltd | Collapse joint of baby trolley |
| US20140056638A1 (en) * | 2012-08-22 | 2014-02-27 | Lerado (Zhong Shan) Industrial Co., Ltd. | Pivot joint for a stroller frame |
| CN103318243A (en) * | 2013-06-20 | 2013-09-25 | 上海贝翔婴儿用品有限公司 | Anti-pinch locking joint of baby carriage and baby carriage |
| CN203766856U (en) * | 2014-02-24 | 2014-08-13 | 宁波妈咪宝婴童用品制造有限公司 | Folding mechanism for baby carriage handle pipe |
| CN204124174U (en) * | 2014-09-04 | 2015-01-28 | 宁波妈咪宝婴童用品制造有限公司 | Perambulator is without rocking folding/unfolding joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104192192B (en) | 2016-05-04 |
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Granted publication date: 20160504 Termination date: 20200904 |
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| CF01 | Termination of patent right due to non-payment of annual fee |