CN204124174U - Perambulator is without rocking folding/unfolding joint - Google Patents
Perambulator is without rocking folding/unfolding joint Download PDFInfo
- Publication number
- CN204124174U CN204124174U CN201420506304.0U CN201420506304U CN204124174U CN 204124174 U CN204124174 U CN 204124174U CN 201420506304 U CN201420506304 U CN 201420506304U CN 204124174 U CN204124174 U CN 204124174U
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- CN
- China
- Prior art keywords
- ball
- joint
- female axle
- hypozygal
- connection pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of perambulator without rocking folding/unfolding joint, relate to a kind of for baby car joint expansion use or the folding retracting mechanism folded, it is by upper connection pipe, lower connection pipe, upper joint, hypozygal, the formation such as lockout mechanism and drag-line, and lockout mechanism also comprises connector bushing, elastic element, ball female axle and lockhole etc., on the female axle of ball, mainly design ball and ball sleeve that the many groups of axis along the female axle of ball do to distribute successively, and formed gapless by the many groups of balls and ball sleeve matched with the axis hole in upper joint and the lockhole on hypozygal and to coincide active mounting, this fitting configuration is the female axle of a kind of ball and upper, Multi-contact structure between hypozygal, it the female axle of ball axially movable in the axis hole of upper joint or axial active mounting in the lockhole of hypozygal time can form blind-mate structure, use procedure can not produce and rock, therefore bring more stable and failure-free in-use performance for the expansion of perambulator uses and fold to fold.
Description
Technical field
The utility model relates to the joint structure for retracting on a kind of perambulator, specifically refers to that perambulator is without rocking folding/unfolding joint.
Background technology
The perambulator of current use all can relate to structural folding and fold design, by designing retracting structure in the structure such as vehicle frame or joint of perambulator, the expansion that just can realize perambulator fast uses and folds the function folded, the folding/unfolding joint of such as perambulator is exactly a kind of conventional baby car joint retracting structure, it and disclosed China Patent No. be 200920216539.5 " baby-carrier folding joint " 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 to be formed between hypozygal, the mutual expansion of lower connection pipe or foldingly to fold, lockout mechanism and lockhole can be separately positioned on upper joint and hypozygal, drag-line is then formed to be equipped with to lock or depart from for operational lock mechanism and lockhole and unlocks, 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 all has free-running fit, namely lockout mechanism only devises the function of locking or unblock, it and upper, contact between hypozygal is generally the bearing fit in gap, therefore in actual use, on, all can produce between lower connection pipe and rock, this also for perambulator use stability and reliability bring extreme influence.
Summary of the invention
Technical problem to be solved in the utility model 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 utility model is achieved through the following technical solutions:
A kind of perambulator without rocking 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, be provided with lockout mechanism, the drag-line controlling lockout mechanism and unlock is provided with in described upper joint, described hypozygal is provided with the lockhole coordinating with lockout mechanism and lock, described lockout mechanism comprises the axis hole axially doing through setting along upper joint, the axially movable connector bushing installed is provided with in axis hole, 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 the radial annular groove that many axis along the female axle of ball are done to distribute successively, the ball and ball sleeve that match is equipped with in the radial annular groove of every bar, this ball sleeve by the axially movable of the female axle of ball gapless coincide active mounting in axis hole or gapless coincide active mounting in lockhole.
The bottom of the female axle of described ball is also provided with hard-wired ball sleeve.
The end face of described adjacent two ball sleeves is respectively equipped with engagement gear ring.
Described connector bushing outer wall be provided with two symmetrical and along the axially extended chute of 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; Be provided with elastic element in described connector bushing, these 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 forming axial active mounting with described guide groove.
Described upper joint is made up of two hinged disks be arranged in parallel of the coupling sleeve of upper end and lower end, and described coupling sleeve plug-in mounting is fixed on the bottom of connection pipe.
Described hypozygal is made up 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 utility model mainly designs the ball and ball sleeve that the many groups of axis along the female axle of ball do to distribute successively on the female axle of ball, and formed gapless by the many groups of balls and ball sleeve matched with the axis hole in upper joint and the lockhole on hypozygal and to coincide active mounting, this fitting configuration is the female axle of a kind of ball and upper, Multi-contact structure between hypozygal, it the female axle of ball axially movable in the axis hole of upper joint or axial active mounting in the lockhole of hypozygal time can form gapless rolling matching structure, use procedure all can not produce and rock, therefore bring more stable and failure-free in-use performance for the expansion of perambulator uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the three-dimensional exploded view of Fig. 1.
Fig. 3 is the sectional structure schematic diagram that the utility model is in the lock state.
Fig. 4 is the sectional structure schematic diagram that the utility model is in released state.
Fig. 5 is the sectional structure schematic diagram that the utility model is in folding collapse state.
Detailed description of the invention
To elaborate again to the utility model embodiment 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, the female axle of 82. orienting lugs, 9. ball, 91. radial annular grooves, 92. balls, 93. ball sleeves, 931. engagement gear rings, 94. screws, 10. drag-line, 11. connecting pins, 12. elastic elements, 13. packing rings.
Perambulator is without rocking folding/unfolding joint, as shown in Figure 1 and Figure 2, relate to a kind of for launching use or the folding retracting mechanism folded for baby car joint, it comprises the upper connection pipe 1 and lower connection pipe 2 that are 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 of plug-in mounting connection.
Described upper joint 3 is that the hinged disk 32 be arranged in parallel by the coupling sleeve 31 of upper end and two of lower end is formed, and coupling sleeve 31 and two hinged disks 32 are set to conjoined structure; After described coupling sleeve 31 is inserted into the bottom of connection pipe 1, connection is fixed by upper rivet 5 and packing ring 13, be provided with in coupling sleeve 31 and axially extend along coupling sleeve and from axis hole 312 through between two hinged disks 32, two opposed inner walls of this axis hole to be respectively equipped with one along the axially extended guide groove 311 of coupling sleeve 31; Described hypozygal 4 is made up of the hinged disk 42 of upper end and the adapter shaft 41 of lower end, and hinged disk 42 is set to conjoined structure with adapter shaft 41; After described adapter shaft 41 is inserted into the upper end of lower connection pipe 2, also connection is fixed by lower rivet 7 and packing ring 13, 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, hinged through what can realize after hard-wired hinged rivet 6 between the two at concentric place, namely can realize mutual rotation between hinged disk 42 and two hinged disks 32; Meanwhile, upper the rectifying of hinged disk 42, a lockhole 421 is provided with to axis hole 312 position of upper joint 3.
Lockout mechanism is provided with in the axis hole 312 of described upper joint 3, this lockout mechanism comprises the connector bushing 8 being axially movably arranged on the cylindrical tube shape in axis hole, drag-line 10 is connected with in connector bushing upper end, this drag-line is hidden and is arranged in connection pipe 1, and achieves the unblock of lockout mechanism by drag-line 10; Described connector bushing 8 lower end is provided with the female axle 9 of hard-wired ball by connecting pin 11, connector bushing 8 outer wall is provided with two symmetrically arranged orienting lugs 82, these two orienting lug active mountings in two guide grooves 311 of axis hole 312 inwall, therefore can realize the axial orientation motion of connector bushing 8 in axis hole 312; Described connector bushing 8 outer wall be also provided with two symmetrical and along the axially extended chute 81 of connector bushing, and the upper rivet 5 on upper joint 3 passes and be arranged in the chute 81 of connector bushing 8, therefore it is spacing to achieve the movement travel of connector bushing 8 in axis hole 312 by the equipped of chute and upper rivet 5; In described connector bushing 8, elastic element 12 is set, this elastic element upper end pushing tow is on the upper rivet 5 passing connector bushing 8, lower end pushing tow is in the upper end of the female axle 9 of ball, therefore make connector bushing 8 drive the female axle 9 of ball all in moving downward state by the pushing tow of elastic element 12 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 radial annular grooves 91 be axially equally spaced the most successively along the female axle of ball, is all embedded with ball 92, arranges supporting ball sleeve 93 again, can be used for preventing ball 92 from coming off in radial annular groove 91 outside it in the radial annular groove of every bar; Simultaneously, the bottom of the female axle 9 of ball is also provided with the fixing ball sleeve 93 of screw 94, the end face of adjacent two ball sleeves is respectively equipped with engagement gear ring 931, to make connection tight, and ball sleeve 93 can by the axially activity of ball female axle 9 gapless coincide active mounting in axis hole 312 or gapless coincide active mounting in lockhole 421.
The utility model 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, female for drive ball axle 9 lower end is fitted in the lockhole 421 of hypozygal 4 through axis hole 312 by the pushing tow of elastic element 12 by connector bushing 8, now cannot rotate between upper and lower joint, this state is expansion lock-out state, namely the normal operating condition of perambulator; Folding when folding as shown in Figure 5, sleeve pipe 8 upward movement that need pull drag-line 10 and the elastic band overcoming elastic element 12 is dynamically connected, upper rivet 5 will be positioned at chute 81 bottom, the upward movement of connector bushing 8 will drive the female axle 9 of the ball also upward movement be connected with its lower end, thus the female axle lower end of ball is departed from the lockhole 421 of hypozygal 4, upper and lower connection pipe just can form folded state, namely the folding rounding state of perambulator.In the course of action forming above-mentioned deployed condition or folding collapse state, the ball 92 matched by many groups and ball sleeve 93 and form gapless with the axis hole 312 in upper joint 3 and the lockhole 421 on hypozygal 4 and to coincide active mounting, therefore bring more stable and failure-free in-use performance for the expansion of whole perambulator uses and fold to fold.
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), be provided with lockout mechanism, the drag-line (10) controlling lockout mechanism and unlock is provided with in described upper joint (3), described hypozygal (4) is provided with the lockhole (421) coordinating with lockout mechanism and lock, described lockout mechanism comprises the axis hole (312) axially doing through setting along upper joint (3), the axially movable connector bushing (8) installed is provided with in axis hole, 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 the radial annular groove (91) that female axle (9) outside face of described ball is provided with many axis along the female axle of ball and does to distribute successively, the ball (92) and ball sleeve (93) that match is equipped with in the radial annular groove of every bar, this ball sleeve by the axially movable of the female axle (9) of ball gapless coincide active mounting in axis hole (312) or gapless coincide active mounting in lockhole (421).
2. perambulator according to claim 1 is without rocking folding/unfolding joint, it is characterized in that the bottom of the female axle (9) of described ball is also provided with hard-wired ball sleeve (93).
3. perambulator according to claim 1 and 2 is without rocking folding/unfolding joint, and the end face that it is characterized in that described adjacent two ball sleeves (93) is respectively equipped with engagement gear ring (931).
4. perambulator according to claim 1 and 2 is without rocking folding/unfolding joint, it is characterized in that described connector bushing (8) outer wall be provided with two symmetrical and along the axially extended chute (81) of 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); Be provided with elastic element (12) in described connector bushing (8), these elastic element two ends difference pushing tow is on upper rivet (5) and the female axle (9) of ball.
5. perambulator according to claim 1 and 2 is without rocking folding/unfolding joint, it is characterized in that axis hole (312) inwall of described upper joint (3) is provided with along the axially extended guide groove of upper joint (311), described connector bushing (8) outer wall is provided with the orienting lug (82) forming 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 made up of two hinged disks (32) be arranged in parallel of the coupling sleeve of upper end (31) and 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 made up 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 |
|---|---|---|---|
| CN201420506304.0U CN204124174U (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 |
|---|---|---|---|
| CN201420506304.0U CN204124174U (en) | 2014-09-04 | 2014-09-04 | Perambulator is without rocking folding/unfolding joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204124174U true CN204124174U (en) | 2015-01-28 |
Family
ID=52380557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420506304.0U Withdrawn - After Issue CN204124174U (en) | 2014-09-04 | 2014-09-04 | Perambulator is without rocking folding/unfolding joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204124174U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192192A (en) * | 2014-09-04 | 2014-12-10 | 宁波妈咪宝婴童用品制造有限公司 | Shake-free closing joint of baby carriage |
| CN109625070A (en) * | 2019-01-31 | 2019-04-16 | 漯河炫蒂塑业有限公司 | Folding children's vehicle handle latch locking joint |
-
2014
- 2014-09-04 CN CN201420506304.0U patent/CN204124174U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192192A (en) * | 2014-09-04 | 2014-12-10 | 宁波妈咪宝婴童用品制造有限公司 | Shake-free closing joint of baby carriage |
| CN109625070A (en) * | 2019-01-31 | 2019-04-16 | 漯河炫蒂塑业有限公司 | Folding children's vehicle handle latch locking joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150128 Effective date of abandoning: 20160504 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |