CN212500616U - Support rod buckle device of foldable baby carriage - Google Patents
Support rod buckle device of foldable baby carriage Download PDFInfo
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- CN212500616U CN212500616U CN202021092314.6U CN202021092314U CN212500616U CN 212500616 U CN212500616 U CN 212500616U CN 202021092314 U CN202021092314 U CN 202021092314U CN 212500616 U CN212500616 U CN 212500616U
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- buckle
- shaft sleeve
- limiting
- mounting shaft
- cavity
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Abstract
The utility model discloses a support bar buckle device of folded cascade perambulator comprises the installation axle sleeve of first sill bar, second sill bar, stay tube, fixed connection at the coupling sleeve on first sill bar top, fixed connection at the switching axle sleeve on second sill bar top, nested connection in the stay tube bottom. Through the counterpoint cooperation of spacing buckle and second buckle, counterpoint buckle and the counterpoint cooperation of first buckle, can stabilize and with connecting axle sleeve, switching axle sleeve, installation axle sleeve looks hasp, make to be the triangular supports state between first sill bar, stay tube, the second sill bar, the hasp direction between spacing buckle, the second buckle and counterpoint buckle, the hasp opposite direction between the first buckle for the hasp is stable firm and be difficult for deviating from.
Description
Technical Field
The utility model belongs to the technical field of infant's seat, concretely relates to support rod buckle device of folded cascade perambulator.
Background
The baby carriage is a tool carriage designed for providing convenience for outdoor exercises of babies, has various types, mainly has two types of baby carriages in the existing market, is a full-function baby carriage which is not foldable but has good shock-proof effect, and is a portable foldable baby carriage which can be folded and stored. Wherein, the folding upset frame itself of light folding perambulator is through many poles body coupling constitution, is provided with flexible locking mechanical system and carries out the flexible or folding of the body of rod, locks the body of rod through operation locking Assembly to realize the folding of frame, nevertheless current folding locking mechanical system is fairly simple, and the locking buckle is unstable inadequately, appears locking the phenomenon that drops easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a support rod buckle device of folded cascade perambulator to solve the problem that proposes among the above-mentioned background art.
This utility model adopts for achieving the above purpose:
a support rod buckling device of a foldable baby carriage comprises a first bottom rod, a second bottom rod, a support tube, a connecting shaft sleeve fixedly connected to the top end of the first bottom rod, a switching shaft sleeve fixedly connected to the top end of the second bottom rod and an installation shaft sleeve nested at the bottom end of the support tube, wherein a first shaft seat is formed in the middle of the upper side of the installation shaft sleeve, a second shaft seat is formed at the lower part of the bottom end of the installation shaft sleeve, a limit cavity is formed in the installation shaft sleeve, a rectangular cavity communicated with the limit cavity is formed at one side of the lower part of the installation shaft sleeve, a limit stop block is horizontally arranged in the limit cavity, a compression spring is vertically and fixedly connected to the bottom wall of the limit stop block, a limit column parallel to the support tube is movably embedded in the limit cavity, the lower end of the limit column extends into the rectangular cavity and is provided with a, a cylindrical cavity penetrating through two sides is formed in the middle of the limiting column, the limiting stop block and the compression spring are completely embedded in the cylindrical cavity, the bottom end of the compression spring is fixed to the bottom wall of the cylindrical cavity, and a first buckle arranged downwards in parallel with the supporting rod is formed at the upper part of the lower side of the mounting shaft sleeve; the upper end of the connecting shaft sleeve extends to form a connecting arc-shaped plate, the front end of the connecting arc-shaped plate is provided with a first shaft rod which is oppositely embedded with the first shaft seat on the mounting shaft sleeve, the mounting shaft sleeve is embedded into the first shaft seat through the first shaft rod and is rotatably connected with the connecting shaft sleeve, the switching shaft sleeve is oppositely arranged with the rectangular cavity, the upper side of the switching shaft sleeve is provided with a switching plate which is matched with the lower side of the mounting shaft sleeve and the connecting arc-shaped plate, the lower end of the switching plate is provided with a second shaft rod, the mounting shaft sleeve is embedded into the second shaft seat through the second shaft rod and is rotatably connected with the switching shaft sleeve, the middle part of the bottom wall of the switching shaft sleeve between the switching plates is provided with a second buckle which is oppositely arranged with the rectangular cavity and a limiting buckle, the limiting buckle is matched and embedded with the second buckle, one side of the switching shaft sleeve is, the outer side wall of the cylindrical block is provided with an alignment buckle which is oppositely embedded with the first buckle, a return spring is vertically fixed on the bottom wall of the cylindrical groove, and the top end of the return spring is embedded and fixed in the cylindrical block.
It is further explained that a cavity matched with the connecting arc-shaped plate and the adapter plate is formed on the outer side wall of the mounting shaft sleeve, the connecting arc-shaped plate covers the outer side wall of the mounting shaft sleeve, and the adapter plate covers the inner side wall of the mounting shaft sleeve.
It is further explained that the vertical symmetrical central axis planes of the first buckle, the second buckle, the limiting buckle and the alignment buckle are coincident.
It is further explained that when the first bottom rod rotates to be parallel to the supporting tube and the second bottom rod rotates to the adapting plate to be attached to the mounting collar, the connecting arc plate and the adapting plate are attached to the outer wall of the mounting collar, the limiting buckle is embedded with the second buckle in a relative position, and the aligning buckle is embedded with the first buckle in a relative position.
Further, the top end of the limiting column is provided with a wiring hole.
Compared with the prior art, the beneficial effects of the utility model reside in that:
through the counterpoint cooperation of spacing buckle and second buckle, counterpoint buckle and the counterpoint cooperation of first buckle, can stabilize and with connecting axle sleeve, switching axle sleeve, installation axle sleeve looks hasp, make to be the triangular supports state between first sill bar, stay tube, the second sill bar, the hasp direction between spacing buckle, the second buckle and counterpoint buckle, the hasp opposite direction between the first buckle for the hasp is stable firm and be difficult for deviating from.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the connecting sleeve, the adapter sleeve and the mounting sleeve of the present invention when they are locked together;
wherein: 1. a first bottom bar; 2. a second bottom bar; 3. supporting a tube; 4. connecting the shaft sleeve; 5. a switching shaft sleeve; 6. installing a shaft sleeve; 7. a first shaft seat; 8. a second shaft base; 9. a limiting cavity; 10. a rectangular cavity; 11. a limit stop block; 12. a compression spring; 13. a limiting column; 14. a limiting buckle; 15. a cylindrical cavity; 16. a first buckle; 17. connecting the arc-shaped plates; 18. a first shaft lever; 19. an adapter plate; 20. a second shaft lever; 21. a second buckle; 22. a cylindrical groove; 23. a cylindrical block; 24. aligning and buckling; 25. and a wiring hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides the following technical solutions:
a support rod buckling device of a foldable baby carriage comprises a first bottom rod 1, a second bottom rod 2, a support tube 3, a connecting shaft sleeve 4 fixedly connected to the top end of the first bottom rod 1, a switching shaft sleeve 5 fixedly connected to the top end of the second bottom rod 2 and a mounting shaft sleeve 6 nested at the bottom end of the support tube 3, wherein a first shaft seat 7 is formed in the middle of the upper side of the mounting shaft sleeve 6, a second shaft seat 8 is formed at the lower part of the bottom end of the mounting shaft sleeve 6, a limiting cavity 9 is formed in the mounting shaft sleeve 6, a rectangular cavity 10 communicated with the limiting cavity 9 is formed at one side of the lower part of the mounting shaft sleeve 6, a limiting stop block 11 is horizontally arranged in the limiting cavity 9, a compression spring 12 is vertically and fixedly connected to the bottom wall of the limiting stop block 11, a limiting column 13 parallel to the support tube 3 is movably embedded in the limiting cavity 9, the lower end of the limiting column 13 extends into the rectangular cavity 10 and, a cylindrical cavity 15 penetrating through two sides is formed in the middle of the limiting column 13, the limiting stop 11 and the compression spring 12 are completely embedded in the cylindrical cavity 15, the bottom end of the compression spring 12 is fixed on the bottom wall of the cylindrical cavity 15, and a first buckle 16 arranged downwards parallel to the supporting rod is formed at the upper part of the lower side of the mounting shaft sleeve 6; the upper end of the connecting shaft sleeve 4 extends to form a connecting arc-shaped plate 17, the front end of the connecting arc-shaped plate 17 is provided with a first shaft rod 18 which is oppositely embedded with the first shaft seat 7 on the mounting shaft sleeve 6, the mounting shaft sleeve 6 is embedded into the first shaft seat 7 through the first shaft rod 18 and is rotatably connected with the connecting shaft sleeve 4, the switching shaft sleeve 5 is oppositely arranged with the rectangular cavity 10, the upper side of the switching shaft sleeve 5 is provided with a switching plate 19 which is matched with the lower side of the mounting shaft sleeve 6 and the connecting arc-shaped plate 17, the lower end of the switching plate 19 is provided with a second shaft rod 20, the mounting shaft sleeve 6 is embedded into the second shaft seat 8 through the second shaft rod 20 and is rotatably connected with the switching shaft sleeve 5, the middle part of the bottom wall of the switching shaft sleeve 5 between the switching plates 19 is provided with a second buckle 21 which is oppositely arranged with the rectangular cavity 10 and the limiting buckle 14, the limiting buckle 14, a cylindrical block 23 is movably embedded in the cylindrical groove 22, an alignment buckle 24 which is oppositely embedded with the first buckle 16 is formed on the outer side wall of the cylindrical block 23, a return spring is vertically fixed on the bottom wall of the cylindrical groove 22, and the top end of the return spring is embedded and fixed in the cylindrical block 23.
A cavity matched with the connecting arc-shaped plate 17 and the adapter plate 19 is formed on the outer side wall of the mounting shaft sleeve 6, the connecting arc-shaped plate 17 covers the outer side wall of the mounting shaft sleeve 6, and the adapter plate 19 covers the inner side wall of the mounting shaft sleeve 6; the vertical symmetrical central axis surfaces of the first buckle 16, the second buckle 21, the limiting buckle 14 and the aligning buckle 24 are overlapped; when the first bottom rod 1 rotates to be parallel to the support tube 3 and the second bottom rod 2 rotates to the state that the adapter plate 19 is attached to the mounting shaft sleeve 6, the connecting arc plate 17 and the adapter plate 19 are attached to the outer wall of the mounting shaft sleeve 6, the limiting buckle 14 is embedded with the second buckle 21 in a relative position, and the alignment buckle 24 is embedded with the first buckle 16 in a relative position; in addition, the top of spacing post 13 is formed with wiring hole 25, and wiring hole 25 is used for inserting the pull wire of following the interior introduction of stay tube 3, drives spacing post 13 translation in spacing chamber 9 through pulling the pull wire.
When the connecting shaft sleeve is applied to practice, the supporting tube 3 is rotated to enable the supporting tube 3 to be parallel and collinear with the first bottom rod 1, the mounting shaft sleeve 6 is attached to the connecting arc-shaped plate 17, then the second bottom rod 2 is rotated to enable the second buckle 21 on the switching shaft sleeve 5 to be abutted against the limiting buckle 14, the limiting column 13 is internally translated in the limiting cavity 9 in an inclined upward mode, the compression spring 12 is compressed between the cylindrical cavity 15 and the limiting baffle, the limiting buckle 14 is supported in an inclined upward mode, meanwhile, the alignment buckle 24 on the switching shaft sleeve 5 is abutted against the first buckle 16, the alignment buckle 24 is subjected to inclined downward supporting force to enable the compression spring 12 in the cylindrical groove 22 to be compressed, when the switching plate 19 on the switching shaft sleeve 5 is attached to the mounting shaft sleeve 6, the second buckle 21 is completely aligned and embedded with the limiting buckle 14, the first buckle 16 is completely aligned and embedded with the alignment buckle 24, even if the, The adapter sleeve 5 and the mounting sleeve 6 are locked, so that the first bottom rod 1, the support tube 3 and the second bottom rod 2 are in a triangular support state; when needing folding first sill bar 1, stay tube 3, second sill bar 2, through the spacing post 13 of pull wire pulling, make spacing buckle 14 deviate from second buckle 21 completely, can fold first sill bar 1 and stay tube 3, through pressing cylindric piece 23, make counterpoint buckle 24 deviate from first buckle 16 completely, can fold second sill bar 2 and stay tube 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a bracing piece buckle device of folded cascade perambulator which characterized in that: comprises a first bottom rod (1), a second bottom rod (2), a supporting tube (3), a connecting shaft sleeve (4) fixedly connected with the top end of the first bottom rod (1), a switching shaft sleeve (5) fixedly connected with the top end of the second bottom rod (2) and a mounting shaft sleeve (6) nested and connected with the bottom end of the supporting tube (3), wherein a first shaft seat (7) is formed in the middle of the upper side of the mounting shaft sleeve (6), a second shaft seat (8) is formed at the lower part of the bottom end of the mounting shaft sleeve (6), a limiting cavity (9) is formed in the mounting shaft sleeve (6), a rectangular cavity (10) communicated with the limiting cavity (9) is formed on one side of the lower part of the mounting shaft sleeve (6), a limiting stop block (11) is horizontally arranged in the limiting cavity (9), a compression spring (12) is vertically and fixedly connected to the bottom wall of the limiting stop block (11), and a limiting column (13) communicated with the supporting tube (3) is movably embedded in, the lower end of the limiting column (13) extends into the rectangular cavity (10) and is provided with a limiting buckle (14) parallel to the support tube (3), the middle part of the limiting column (13) is provided with a cylindrical cavity (15) penetrating through two sides, the limiting stop block (11) and the compression spring (12) are completely embedded in the cylindrical cavity (15), the bottom end of the compression spring (12) is fixed on the bottom wall of the cylindrical cavity (15), and the upper part of the lower side of the mounting shaft sleeve (6) is provided with a first buckle (16) which is arranged downwards parallel to the support rod; the connecting device is characterized in that a connecting arc-shaped plate (17) extends from the upper end of the connecting shaft sleeve (4), a first shaft rod (18) which is oppositely embedded with a first shaft seat (7) on the mounting shaft sleeve (6) is formed at the front end of the connecting arc-shaped plate (17), the mounting shaft sleeve (6) is embedded into the first shaft seat (7) through the first shaft rod (18) and is rotatably connected with the connecting shaft sleeve (4), the switching shaft sleeve (5) is oppositely arranged with the rectangular cavity (10), an adapter plate (19) which is matched with the lower side of the mounting shaft sleeve (6) and the connecting arc-shaped plate (17) is formed on the upper side of the switching shaft sleeve (5), a second shaft rod (20) is formed at the lower end of the adapter plate (19), the mounting shaft sleeve (6) is embedded into a second shaft seat (8) through the second shaft rod (20) and is rotatably connected with the switching shaft sleeve (5), and the switching shaft sleeve (5) is formed in the middle of the bottom wall between the adapter plate (19), The second buckle (21) of spacing buckle (14) looks counterpoint, spacing buckle (14) and second buckle (21) phase-match gomphosis, one side of adapter sleeve (5) is formed with cylindrical groove (22), cylindrical groove (22) internalization embedding has cylindrical block (23), the lateral wall of cylindrical block (23) is formed with counterpoint buckle (24) with first buckle (16) looks counterpoint gomphosis, the diapire of cylindrical groove (22) is fixed with reset spring perpendicularly, and the inside at cylindrical block (23) is fixed in the embedding of the top of this reset spring.
2. Support bar buckle device for pushchairs according to claim 1, characterised in that: the outer side wall of the mounting shaft sleeve (6) is provided with a cavity matched with the connecting arc-shaped plate (17) and the adapter plate (19), the connecting arc-shaped plate (17) covers the outer side wall of the mounting shaft sleeve (6), and the adapter plate (19) covers the inner side wall of the mounting shaft sleeve (6).
3. Support bar buckle device for pushchairs according to claim 1, characterised in that: the vertical symmetrical central axis surfaces of the first buckle (16), the second buckle (21), the limiting buckle (14) and the alignment buckle (24) are overlapped.
4. Support bar buckle device for pushchairs according to claim 1, characterised in that: when first end pole (1) rotate to being parallel with stay tube (3), second end pole (2) rotate to keysets (19) and installation axle sleeve (6) and laminate mutually, connect arc (17), keysets (19) and installation axle sleeve (6) outer wall and laminate mutually, spacing buckle (14) and second buckle (21) relative bit gomphosis, counterpoint buckle (24) and first buckle (16) relative bit gomphosis.
5. Support bar buckle device for pushchairs according to claim 1, characterised in that: and a wiring hole (25) is formed at the top end of the limiting column (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021092314.6U CN212500616U (en) | 2020-06-12 | 2020-06-12 | Support rod buckle device of foldable baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021092314.6U CN212500616U (en) | 2020-06-12 | 2020-06-12 | Support rod buckle device of foldable baby carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212500616U true CN212500616U (en) | 2021-02-09 |
Family
ID=74396187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021092314.6U Active CN212500616U (en) | 2020-06-12 | 2020-06-12 | Support rod buckle device of foldable baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212500616U (en) |
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2020
- 2020-06-12 CN CN202021092314.6U patent/CN212500616U/en active Active
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