CN211918799U - Folding baby carriage with safety structure - Google Patents

Abstract

The utility model relates to a folding bassinet with insurance structure, including first support, second support, fixed axle and insurance structure, the fixed axle with the fixed setting of second support, first support with the second support is around the axis rotation setting of fixed axle, and be equipped with the locking structure between first support with the second support, insurance structure is including being fixed in the follow-up portion of first support and being fixed in the detent of fixed axle and/or second support, the detent blocks in the follow-up portion is on the route of the axis circumference removal of fixed axle; the utility model discloses have the effect of avoiding bassinet reverse folding to reduce the potential safety hazard.

Description

Folding baby carriage with safety structure

Technical Field

The utility model belongs to the technical field of the technique of bassinet and specifically relates to a folding bassinet with insurance structure is related to.

Background

The baby carriage comprises five categories, namely a baby bicycle, a baby stroller, a baby walker, a child tricycle and a child electric vehicle.

A stroller in the prior art includes a frame having an unfolded position and a folded position, a front wheel assembly disposed at a front portion of a bottom of the frame, a rear wheel assembly disposed at a rear portion of the bottom of the frame, and a locking mechanism for locking the frame at the unfolded position. Thereby enabling the baby stroller to have a folded state so as to be convenient to store.

Chinese patent with an authority bulletin number CN202753984U discloses a folding revolution mechanic of baby stroller, including connecting first connecting piece and second connecting piece through round pin axle pin joint, the pin joint portion of second connecting piece is equipped with the bayonet lock in one side of round pin axle, the pin joint portion of first connecting piece is equipped with and supplies this bayonet lock to inlay to establish and with bayonet lock sliding fit's arc wall, and second connecting piece and first connecting piece realize folding stroke control between the two through the sliding fit of bayonet lock and arc wall, and then better realization is put in order the car and is folded.

The above prior art solutions have the following drawbacks: due to the light use of the baby carriage, the first connecting piece and the bayonet lock are usually supported by a light plastic part, and the plastic part is easy to age and reduce in strength after long-term use, so that the bayonet lock is easy to break, and the first connecting piece and the second connecting piece lose the limit and rotate mutually; if the structure is used at the joint between the front wheel bracket and the rear wheel bracket, the baby carriage is very easy to be reversely folded to cause the baby to fall to the ground, thereby having certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a folding bassinet with insurance structure, it has the effect of avoiding bassinet reverse folding to reduce the potential safety hazard.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a folding bassinet with insurance structure, includes first support, second support, fixed axle and insurance structure, the fixed axle with the second support is fixed to be set up, first support with the second support is around the axis of fixed axle rotates the setting, and be equipped with locking structure between first support with the second support, insurance structure is including being fixed in the follow-up portion of first support and being fixed in the detent of fixed axle and/or second support, the detent blocks in the follow-up portion is on the route of the axis circumference removal of fixed axle.

By adopting the technical scheme, when the baby carriage is folded, the locking effect of the locking structure is released, so that the first support is rotated and folded forward relative to the second support, and the folding and the storage of the baby carriage are finished; when the locking structure is aged impaired and loses the locking effect, first support is unrestricted, and second support is nimble to rotate relatively promptly, when first support is relative second support antiport folding, follow-up portion on the first support removes and the butt on the detent, and the detent plays the effect of blockking to prevent the antiport of first support, play the insurance effect, avoid the baby to fall the condition on ground, and then reduce the potential safety hazard.

The present invention may be further configured in a preferred embodiment as: when the locking structure locks the position of the first bracket, the follow-up part is abutted against the stop part.

Adopt above-mentioned technical scheme, the butt relation between follow-up portion and the locking part belongs to comparatively obviously observable, consequently through the butt between follow-up portion and the locking part, whether people of being convenient for judge first support and rotate the position that can produce the locking effect to the locking structure to improve the simple operation nature.

The present invention may be further configured in a preferred embodiment as: the locking structure including locate bolt in the follow-up portion and with the fixed trigger piece that sets up of bolt, the second support be equipped with bolt complex slot, the bolt with follow-up portion is along being close to or keeping away from the slot direction sets up that slides, just be equipped with in the follow-up portion and force the bolt inserts spring in the slot.

Adopt above-mentioned technical scheme, trigger through the operation, can control the cooperation between bolt and the bolt to realize the locking between first support and the second, and the spring can force the bolt tightly to insert in the slot, thereby avoids the bolt to receive the vibration and breaks away from the condition of slot, with the stability of ensureing the locking effect.

The present invention may be further configured in a preferred embodiment as: the follow-up portion sets up the confession the spout that the bolt slided and connects, the spout is kept away from the one end of slot has the opening, the detachable dog that is located of fixed axle opening part, the one end of spring contradict in the bolt is kept away from the one end of slot, the other end of spring contradict in the side of dog.

Adopt above-mentioned technical scheme, during the installation bolt, at first put bolt and spring in the spout through the opening of spout, then fixed dog on the fixed axle plays the effect that prevents bolt and spring to break away from the spout to compression spring, thereby accomplish the installation of bolt, convenient and fast, the equipment of the people of being convenient for is dismantled, is convenient for tear the changing of ageing bolt and spring.

The present invention may be further configured in a preferred embodiment as: the end part of the bolt extends towards the direction of the stop block to form a positioning bulge, and the positioning bulge is positioned on the inner side of the spring.

By adopting the technical scheme, the positioning bulge can reduce the displacement of the spring so as to ensure the elastic contact force of the spring to the bolt.

The present invention may be further configured in a preferred embodiment as: trigger the piece and be located the outside of follow-up portion, trigger an integrated into one piece and have the floor, one side of floor is fixed with half and surrounds the half arc piece that the bolt set up, the annular has been seted up globally to the bolt, half arc piece be fixed with peg graft in the inserted block of annular, the confession has been seted up to follow-up portion half arc piece with the floor is followed the heterotypic groove that the bolt removed the slip, heterotypic groove is close to the one end of dog has the opening.

By adopting the technical scheme, the plug block is connected with the annular groove in an inserting mode, the trigger part is convenient to drive the plug pin to slide, the fault tolerance rate of the annular groove is large, the plug block is convenient to be connected into the annular groove in an inserting mode, and the trigger part and the follow-up part are convenient to mount and dismount by arranging the special-shaped groove with the opening.

The present invention may be further configured in a preferred embodiment as: the opening part in heterotypic groove is along keeping away from spout axis direction sunken shaping has the holding tank, works as half arc piece is located when the holding tank, insert the piece with the setting of staggering of bolt.

When the trigger piece and the bolt need to be installed in the follow-up portion, firstly, the trigger piece and the bolt are simultaneously gripped by hands, the inserting state between the inserting block and the annular groove is constantly kept, then the trigger piece and the bolt respectively enter from the openings of the special-shaped groove and the chute, and the installation of the trigger piece and the bolt is completed; by arranging the accommodating groove, the trigger piece is firstly placed in the accommodating groove during installation, and the trigger piece and the special-shaped groove form initial positioning installation at the moment, because the insert block is staggered with the bolt, partial structure of the bolt can be inserted into the chute, the preliminary positioning and installation between the bolt and the chute are completed, at the moment, the trigger piece only needs to be moved close to the direction of the bolt, so that the insert block on the trigger piece is inserted into the annular groove, then the trigger piece is moved along the same trend to slide into the special-shaped groove completely, and the plug pin is driven to slide and be inserted into the sliding groove through the connection between the plug block and the annular groove, thereby completing the installation between the trigger piece and the plug pin and the follow-up part respectively, compared with the conventional installation mode, the trigger piece and the plug pin are respectively initially positioned and installed, then, the insertion block is inserted into the annular groove, so that the positioning mode is simple, the installation difficulty is low, and the installation convenience is ensured.

The present invention may be further configured in a preferred embodiment as: a supporting arm is fixed on the second support, the supporting arm is provided with a connecting seat, and the slot is arranged on the side surface of the connecting seat; and a connecting pin is fixed on the surface of the connecting seat in a protruding manner, is inserted into the inner cavity of the fixed shaft and is fixedly connected with the fixed shaft through bolts and nuts.

By adopting the technical scheme, the fixing stability between the fixed shaft and the second support can be ensured through the pin joint between the connecting pin and the fixed shaft and the bolt and nut fixed connection between the connecting pin and the fixed shaft, so that the use safety is ensured.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the follow-up part and the stop part, when the follow-up part on the first support moves and abuts against the stop part, the stop part plays a role in blocking, so that the reverse rotation of the first support is prevented, a safety function is played, the condition that an infant falls off the ground is avoided, and potential safety hazards are reduced;

2. through setting up the holding tank, can simplify trigger piece, bolt respectively with the follow-up portion between the installation location to reduce the installation degree of difficulty, ensured the installation convenience.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic view of a junction between a first bracket and a second bracket of the present embodiment;

fig. 3 is an exploded view of the present embodiment for illustrating the connection relationship between the first bracket and the second bracket;

fig. 4 is a sectional view for embodying a lock structure of the present embodiment;

fig. 5 is a schematic diagram of the present embodiment for showing the installation state of the plug.

In the figure, 1, a locking structure; 2. a safety structure; 3. a support arm; 10. a push rod; 11. a bolt; 111. a ring groove; 112. positioning the projection; 12. a trigger; 13. a rib plate; 14. a half-arc block; 15. inserting a block; 16. a slot; 17. a chute; 171. a spring; 172. a through hole; 18. a special-shaped groove; 19. accommodating grooves; 20. a first bracket; 21. a follow-up section; 22. a first stopper; 23. a second stopper; 30. a second bracket; 31. a connecting seat; 32. a connecting pin; 33. rotating the sleeve; 34. a retainer ring; 35. a stopper; 40. a fixed shaft; 50. a seat; 100. a blocking surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses a folding bassinet with insurance structure, including push rod 10, be fixed in seat 50 on push rod 10, two first supports 20, two second supports 30 and transversely be fixed in the fixed axle 40 between two second supports 30, wherein first support 20 and second support 30 rotate around the axis of fixed axle 40 and set up, and be equipped with between first support 20 and the second support 30 and be used for preventing first support 20 pivoted locking structure 1 to and be used for preventing the first support 20 to be relative second support 30 antiport's insurance structure 2.

As shown in fig. 2 and 3, the second bracket 30 is fixedly connected with the push rod 10 through the support arm 3 (see fig. 1), the support arm 3 is formed by injection molding of raw materials added with an antioxidant, the anti-aging effect is good, so that the support connection effect is ensured, the middle part of the support arm 3 is fixed with the circular connecting seat 31, the connecting pin 32 is fixed at the center of the connecting seat 31 in a protruding manner, the connecting pin 32 is inserted into the inner cavity of the fixed shaft 40, and the connecting pin 32 is fixedly connected with the fixed shaft 40 through bolts and nuts.

As shown in fig. 3, a rotating sleeve 33 is fixed at an end of the first bracket 20, the rotating sleeve 33 is rotatably sleeved at an end of a fixed shaft 40, and a retainer ring 34 is detachably fixed on the fixed shaft 40; the safety structure 2 comprises a follow-up part 21 and a stop part, wherein the follow-up part 21 is fixed on the peripheral surface of the rotating sleeve 33, the stop part comprises a first stop part 22 and a second stop part 23, the first stop part 22 is fixed on the retainer ring 34, and the second stop part 23 is fixed on the surface of the connecting seat 31; the side surfaces of the first stopping part 22 and the second stopping part 23 are flush, the side surface is named as a blocking surface 100, and the blocking surface 100 is blocked on a path of the follow-up part 21 which moves reversely around the axis circumference of the fixed shaft 40; and when the locking structure 1 locks the position of the first bracket 20, the side surface of the follower portion 21 abuts against the blocking surface 100 (see fig. 2).

As shown in fig. 3 and 4, the locking structure 1 includes a plug 11, a trigger 12 and a slot 16 opened on the surface of the connecting seat 31, the follower 21 is provided with a sliding slot 17 and a through hole 172 communicated with the sliding slot 17 along the axial direction of the fixing shaft 40, the plug 11 is connected with the sliding slot 17 in a sliding manner, and the plug 11 can extend out of the sliding slot 17 through the through hole 172 and be inserted into the slot 16 to realize a locking effect, and a spring 171 forcing the plug 11 to be inserted into the slot 16 is arranged in the sliding slot 17, so as to ensure the inserting stability of the pin shaft and the slot 16;

trigger 12 is located the outside of follow-up portion 21, trigger 12 integrated into one piece has floor 13, one side that trigger 12 was kept away from to floor 13 is fixed with and partly surrounds half arc piece 14 that sets up with bolt 11, annular 111 has been seted up to bolt 11 global, half arc piece 14 is fixed with the inserted block 15 of pegging graft in annular 111, follow-up portion 21 has been seted up and has been supplied half arc piece 14 and floor 13 to remove the heterotypic groove 18 that slides along with bolt 11, trigger 12 through the knot outside promptly, can drive sliding of bolt 11, thereby the opening and close of control locking effect.

When the baby carriage is folded, the trigger part 12 is pulled to drive the bolt 11 to be drawn out of the slot 16, the locking is released, and the first support 20 is rotated and folded in the positive direction relative to the second support 30, so that the folding and the storage of the baby carriage are completed; when the bolt 11 is aged and damaged and breaks, the first support 20 has no limitation of the locking structure 1, that is, the first support 20 can flexibly rotate relative to the second support 30, therefore, when the first support 20 is reversely rotated and folded relative to the second support 30, the follow-up portion 21 on the first support 20 moves and abuts against the blocking surface 100, the stop portion plays a role in blocking, the reverse rotation of the first support 20 is prevented, a safety function is achieved, the condition that the baby falls down to the ground due to the reverse folding of the first support 20 and the second support 30 is avoided, and further potential safety hazards are reduced.

In order to facilitate replacement of the aged and broken bolt 11 and installation of a new bolt 11, as shown in fig. 3, openings are formed in the ends, far away from the insertion slot 16, of the sliding slot 17 and the special-shaped slot 18, a stop block 35 blocking the opening of the sliding slot 17 is fixed to the stop ring 34, an accommodating slot 19 is formed in the recessed mode of the opening of the special-shaped slot 18 along the direction far away from the axis of the sliding slot 17, and when the half-arc block 14 is located in the accommodating slot 19, the insertion block 15 and the bolt 11 are arranged in a staggered mode.

When the installation is carried out, firstly, the trigger piece 12 is placed in the accommodating groove 19, part of the structure of the ribbed plate 13 is clamped into the special-shaped groove 18, at the moment, the trigger piece 12 and the special-shaped groove 18 form primary positioning installation, because the insert block 15 is staggered with the bolt 11, part of the structure of the bolt 11 can be inserted into the sliding groove 17, the primary positioning installation between the bolt 11 and the sliding groove 17 is completed (see figure 5), at the moment, the trigger piece 12 only needs to be moved along the direction close to the bolt 11, the insert block 15 on the trigger piece 12 is inserted into the annular groove 111, then the trigger piece 12 is moved along the axial direction of the fixed shaft 40, the trigger piece 12 is completely slid into the special-shaped groove 18 and is connected between the insert block 15 and the annular groove 111, the bolt 11 is driven to be slid and inserted into the sliding groove 17, so that the installation between the trigger piece 12, the bolt 11 and the follow-up portion 21 is completed, then the, then, the retainer ring 34 is moved, the retainer ring 34 is fixedly connected with the fixed shaft 40 through bolts and nuts, and the stopper 35 on the retainer ring 34 is abutted against the other end of the spring 171 at the moment, so that the spring 171 is forced to be compressed, and the installation of the integral locking structure 1 is completed;

through carrying out preliminary location installation with trigger 12 and bolt 11 respectively, then carrying out the grafting of inserted block 15 and annular 111, the locate mode is comparatively simple, and the installation degree of difficulty is little to the convenience of bolt 11 replacement and installation has been ensured.

And a positioning protrusion 112 extends from the end of the plug 11 toward the stopper 35, the positioning protrusion 112 is located inside the spring 171, and the positioning protrusion 112 can reduce the displacement of the spring 171 to ensure the elastic contact force of the spring 171 against the plug 11.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A folding bassinet with insurance structure, includes first support (20), second support (30) and fixed axle (40), fixed axle (40) with second support (30) fixed setting, first support (20) with second support (30) around the axis rotation setting of fixed axle (40), and be equipped with locking structure (1) between first support (20) and second support (30), its characterized in that: the safety device further comprises a safety structure (2), wherein the safety structure (2) comprises a follow-up part (21) fixed on the first support (20) and a stopping part fixed on the fixed shaft (40) and/or the second support (30), and the stopping part is blocked on a path of circumferential movement of the follow-up part (21) around the axis of the fixed shaft (40).

2. A folding stroller with safety features according to claim 1, wherein: when the locking structure (1) locks the position of the first bracket (20), the follow-up part (21) is abutted against the stop part.

3. A folding stroller with safety features according to claim 1, wherein: locking structure (1) including locating bolt (11) in follow-up portion (21) and with the fixed trigger piece (12) that sets up of bolt (11), second support (30) be equipped with bolt (11) complex slot (16), bolt (11) with follow-up portion (21) are followed and are close to or keep away from slot (16) direction setting of sliding, just be equipped with in follow-up portion (21) and force bolt (11) insert spring (171) in slot (16).

4. A folding stroller with safety features according to claim 3, wherein: follow-up portion (21) offer the confession spout (17) that bolt (11) slided and connect, spout (17) are kept away from the one end of slot (16) has the opening, fixed axle (40) are detachable to be fixed with and to be located dog (35) of spout (17) opening part, the one end of spring (171) contradict in bolt (11) are kept away from the one end of slot (16), the other end of spring (171) contradict in the side of dog (35).

5. A folding stroller with safety features according to claim 4, wherein: the end part of the bolt (11) extends towards the stop block (35) to form a positioning protrusion (112), and the positioning protrusion (112) is located on the inner side of the spring (171).

6. A folding stroller with safety features according to claim 4, wherein: trigger piece (12) are located the outside of follow-up portion (21), trigger piece (12) integrated into one piece has floor (13), one side of floor (13) is fixed with half and surrounds half arc piece (14) that bolt (11) set up, annular (111) have been seted up to bolt (11) global, half arc piece (14) be fixed with peg graft in inserted block (15) of annular (111), the confession has been seted up in follow-up portion (21) half arc piece (14) with floor (13) are followed bolt (11) remove the profiled groove (18) that slide, profiled groove (18) are close to the one end of dog (35) has the opening.

7. A folding stroller with safety features according to claim 6, wherein: the opening part of profiled groove (18) is along keeping away from spout (17) axis direction sunken shaping has holding tank (19), works as half arc piece (14) are located when holding tank (19) are interior, insert piece (15) with bolt (11) setting of staggering.

8. A folding stroller with safety features according to claim 3, wherein: a supporting arm (3) is fixed on the second support (30), a connecting seat (31) is arranged on the supporting arm (3), and the slot (16) is arranged on the side surface of the connecting seat (31); the surface of the connecting seat (31) is fixed with a connecting pin (32) in a protruding mode, the connecting pin (32) is inserted into the inner cavity of the fixed shaft (40), and the connecting pin (32) is fixedly connected with the fixed shaft (40) through bolts and nuts.

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