CN214524004U - Telescopic latch hook structure of baby stroller - Google Patents

Abstract

The utility model provides a scalable latch hook structure of baby's shallow, including outer tube and interior sleeve pipe, interior sleeve pipe one end is fixed with the inner tube socket, the inside cavity of inner tube socket, the front side of inner tube socket has the lower part trompil, the rear portion of inner tube socket is fixed with the afterbody spring, and the front side of afterbody spring is fixed with the pothook seat that is located the inner tube socket, and upper portion is fixed with the upper portion spring in the pothook seat, and upper portion spring below is fixed with the pothook that is located the pothook seat, and the pothook lower part has the lower part arch, and the outer tube has the spacing groove, and pothook upper portion is connected with the stay cord that the drive buckle removed to upper portion, the utility model discloses utilize the pothook structure can satisfy the stay cord and realize the longitudinal movement and the lateral shifting of pothook under the drive of different length, and then satisfy different functions and realize.

Description

Telescopic latch hook structure of baby stroller

Technical Field

The utility model relates to a but baby's shallow telescopic latch hook structure.

Background

The existing baby carriage needs a plurality of keys to be contracted and deformed, is complex in structure, needs a plurality of keys to be locked, needs independent control to realize operation of each lock, and is easy to cause complicated structure of the baby carriage body and not beneficial to operation.

Disclosure of Invention

The utility model discloses improve above-mentioned problem, promptly the to-be-solved technical problem of the utility model is that current perambulator needs a plurality of buttons to shrink deformation structure complicated, and needs a plurality of buttons to carry out the hasp, and each hasp all needs independent control to realize the operation, causes the body construction numerous and diverse and be unfavorable for the operation easily.

The utility model discloses a concrete implementation scheme is: a telescopic latch hook structure of a baby stroller, which comprises an outer sleeve and an inner sleeve sleeved in the outer sleeve, an inner tube socket is fixed at one end of the inner sleeve inserted into the outer sleeve, the inner tube socket is hollow, a lower opening is arranged at the front side of the inner tube socket, a tail spring which is transversely arranged is fixed at the rear part of the inner tube socket, a hook seat which is positioned in the inner tube socket is fixed at the front side of the tail spring, an upper spring is fixed at the upper part in the clamping hook seat, a clamping hook positioned in the clamping hook seat is fixed below the upper spring, the lower part of the hook is provided with a lower bulge which can extend out of the lower part of the hook seat and the lower part of the inner pipe socket, the outer sleeve is provided with a limiting groove which can be communicated with the opening at the lower part of the inner sleeve, the upper part of the clamping hook is connected with a pull rope which drives the clamping hook to move towards the upper part, the pull rope extends into the hook from the top of the hook seat to be connected with the hook, and the front side of the hook is provided with a hook lock structure which can be matched with the hook.

Furthermore, the pull rope is driven by a pull rope driving device, the pull rope driving device comprises a shifting sheet positioned on the outer sleeve, the shifting sheet is hinged in the outer sleeve, the outer side of the shifting sheet is fixedly connected with the pull rope, the shifting sheet is pulled to move when swinging, so that the clamping hook is pulled to overcome the elastic force of the upper spring and the tail spring to move, a pressing block capable of abutting against the shifting sheet to enable the shifting sheet to swing is further connected to the outer sleeve through a pressing spring, and a jacking block capable of abutting against the outer side of the shifting sheet to enable the shifting sheet to rotate around the hinged position with the outer sleeve is fixed in the pressing block.

Furthermore, the outer sleeve is U-shaped, the inner sleeve is provided with a pair of inner sleeve hooks which are respectively sleeved at two ends of the outer sleeve, and the inner sleeve and the outer sleeve are fixedly connected by extending the inner sleeve hooks out of the lower opening and the lower convex part of the limiting groove.

Furthermore, the shifting pieces are provided with a pair of shifting pieces, the two shifting pieces are respectively correspondingly connected with the pull ropes extending out of the inner sleeves on the two sides of the outer sleeve, the two shifting pieces are arranged in a vertically staggered mode, and the pressing block is internally fixed with a pair of ejector blocks capable of abutting against the shifting pieces and is vertically staggered corresponding to the shifting pieces.

Furthermore, still have on the outer tube with outer tube sliding fit's insurance fixture block, insurance fixture block has the spacing convex part that stretches into in the outer tube, the outer tube has the spacing channel that is used for spacing convex part to stretch into.

Furthermore, the outer sleeve is also provided with a limit button which is transversely inserted into the outer sleeve and is positioned between the pressing block and the shifting sheet, and the surface of the limit button along the direction of inserting the outer sleeve is provided with a convex surface capable of limiting the descending distance of the pressing block or a notch capable of ensuring the descending distance length of the pressing block.

Furthermore, the front side of the inner sleeve is provided with a sliding block, and the hook locking structure comprises a front hook-shaped part arranged on the front side of the hook and a groove which is arranged on the sliding block and can be matched with the front hook-shaped part of the hook.

Furthermore, the front side of the inner sleeve is provided with a sliding block, and the hook lock structure comprises a front side lantern ring arranged on the front side of the clamping hook and a drag hook which is arranged on the sliding block and can be matched with the front side hook-shaped part of the clamping hook.

Furthermore, the side part of the inner tube socket is provided with a guide groove, the convex part of the side part can slide along the guide groove, and when the lower part bulge is separated from the limiting groove, the lower edge of the convex part of the side part of the clamping hook is lower than the guide groove.

Furthermore, the side part of the hook is provided with a side convex part, the side part of the hook seat is provided with a slot hole for the side convex part to extend out, and a longitudinal slot for limiting the side convex part is arranged in the inner tube socket.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a segmentation design of pothook structure, thereby satisfy the utility model discloses utilize the pothook structure can satisfy the stay cord under different length, the pothook breaks away from limit function and the effect that horizontal hook was drawn.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the hook of the present invention located in the inner tube socket.

Fig. 2 is a schematic view of the three-dimensional structure of the hook of the present invention located in the inner tube socket.

Fig. 3 is a schematic view showing the state that the hook of the present invention is separated from the limit groove by the stretching of the pulling rope.

Fig. 4 is a schematic diagram of a layout structure of an inner plug and an outer plug according to an embodiment of the present invention.

Fig. 5 is a schematic view of a layout structure shown in fig. 4 according to the present invention.

Fig. 6 is a schematic view of the structure hook of the present invention in a state of being fastened into the slider.

Fig. 7 is a schematic sectional view of a second driving device according to an embodiment of the present invention (when the hook is separated from the limiting groove).

Fig. 8 is a schematic sectional view of a second driving device according to an embodiment of the present invention (when the hook is released from the slider).

Fig. 9 is a schematic view of the semi-section structure of the pressing block of the present invention.

Fig. 10 is a schematic cross-sectional structure diagram of a three-driving device according to an embodiment of the present invention.

Fig. 11 is a schematic structural view of a three-drive limit button according to an embodiment of the present invention.

Fig. 12 is a schematic view of a structure of the present invention in which four hooks are engaged with a slider.

Fig. 13 is a schematic cross-sectional view of an outer tube having a plate-like member according to the present invention.

Fig. 14 is a schematic structural view of the female socket without a guide groove according to the present invention.

Detailed Description

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

As shown in fig. 1 to 14, in a first embodiment, a latch structure with retractable and retractable functions for a stroller includes an outer sleeve 10 and an inner sleeve 20 sleeved in the outer sleeve, wherein an inner tube socket 30 is fixed at one end of the inner sleeve inserted into the outer sleeve, the inner tube socket is hollow, a lower opening 310 is formed at a front side of the inner tube socket, a tail spring 330 transversely arranged is fixed at a rear portion of the inner tube socket, a latch seat 40 positioned in the inner tube socket is fixed at a front side of the tail spring, an upper spring 410 is fixed at an upper portion in the latch seat, a latch hook 50 positioned in the latch seat is fixed below the upper spring, a lower protrusion 520 capable of extending out of a lower portion of the latch seat and the lower opening of the inner tube socket is formed at a lower portion of the latch seat, the outer sleeve 10 has a limiting groove 110 capable of communicating with the lower opening of the inner sleeve, a pull rope 60 for driving the latch to move towards the upper portion is connected to an upper portion of the latch hook 50, the pull rope 60 extends into the hook base 40 from the top of the hook base 40 to be connected with the hook, and the front side of the hook 50 has a hook lock structure capable of being matched with the hook, and a hook-shaped part 530 at the front side of the hook.

In this embodiment, the front side of the inner sleeve has a sliding block, and the hook lock structure includes a front hook-shaped portion 530 disposed on the front side of the hook, and a groove 101 disposed on the sliding block and capable of being engaged with the front hook-shaped portion of the hook.

In operation, when the pull cord 60 is used to pull the hook 50, the hook overcomes the upper spring 410 to disengage the lower protrusion 520 from the limiting groove 110, and then the outer sleeve and the inner sleeve can move in a staggered manner.

If the pulling rope continues to pull the hook to move upwards, the front side of the inner sleeve is provided with a sliding block 100, the sliding block is provided with a groove 101 which can be matched with the hook-shaped part at the front side of the hook and cannot move upwards continuously, and the groove can move transversely under the condition that the pulling rope continues to be pulled so as to press the tail spring 330, so that the hook-shaped part 530 of the hook moves backwards to pull the sliding part of the sliding block to realize other switch actions.

In order to ensure the stability of the hook in the upward movement of the retractor, in this embodiment, the two sides of the hook 50 are provided with lateral protrusions 510, the two sides of the hook seat are provided with slots 420 for the lateral protrusions to extend out, the inner tube socket is provided with a longitudinal slot 340 for limiting the lateral protrusions, when the hook 50 moves upward, after the lower protrusion 520 is separated from the limiting slot 110, the lateral protrusions 510 extend out of the slots and are limited in the longitudinal slot 340, and the longitudinal length of the longitudinal slot ensures that the front side of the hook can be matched with the hook lock structure.

In this embodiment, in order to improve the stability of the lateral protrusion 510 in sliding in the lateral direction, the lateral protrusion 510 of the inner tube socket has a guide slot 320, the lateral protrusion 510 can slide along the guide slot, when the lower protrusion 520 of the hook 50 is separated from the limiting slot 110, the lower edge of the lateral protrusion of the hook is lower than the guide slot, and then the upper pulling is continued, so that the lateral protrusion 510 of the hook enters the lateral guide slot 320 from the upper end of the longitudinal slot 330.

In practical design, as shown in fig. 13, the limiting groove 110 may be a groove-shaped structure or a through hole structure, and the limiting groove 110 may be integrated with the outer sleeve or a plate-shaped member 120 may be fixed in the outer sleeve and disposed on the member.

In addition, as shown in fig. 14, the side portion of the inner tube socket may not have a guide groove structure, and the hook 50 is limited to move upward by the engagement of the hook lock structure, so as to move laterally under the continuous traction of the pull rope.

In the second embodiment, the pull rope is driven by a pull rope driving device, the pull rope driving device comprises a shifting piece 710 positioned on the outer sleeve, the shifting piece is hinged in the outer sleeve, the lower part of the shifting piece 710 is fixedly connected with the pull rope, when the shifting piece swings, the pull rope can be pulled to pull the hook to overcome the elastic force of the upper spring and the tail spring to move, the outer sleeve is further connected with a pressing block 720 with matching performance through a pressing spring, the pressing block 720 is connected with the outer sleeve through the pressing spring 721 and is used for realizing the reset of the pressing block 720, and a jacking block 730 which can push against the outer side of the shifting piece to enable the shifting piece to rotate around the hinged part with the outer sleeve is fixed in the pressing block.

In this embodiment, the outer sleeve 10 is U-shaped and used as a handle of a stroller, and the inner sleeve 20 has a pair of lower protrusions respectively disposed at two ends of the outer sleeve and extending out of the lower opening and the limiting groove through the inner sleeve hooks.

In this embodiment, the poking pieces 710 are provided with a pair of poking pieces, the two poking pieces are respectively connected with two pull ropes extending out of the inner sleeves on two sides of the outer sleeve in a corresponding mode, the two poking pieces are arranged in a vertically staggered mode, so that the pull ropes cannot collide in the process of swinging in opposite directions, the top block fixed in the pressing block and capable of abutting against the poking pieces is provided with a pair of poking pieces which are vertically staggered, the outer sleeve is further provided with a safety clamping block 740, the safety clamping block is provided with a limiting convex portion 741 extending into the outer sleeve, and the outer sleeve is provided with a limiting channel for the limiting convex portion to extend into.

When the limiting convex part 741 is located between the two shifting pieces, the limiting convex part 741 obstructs the swinging angle of the two shifting pieces and can only realize that the pull rope pulls the hook to be in a state of being separated from the limiting groove, when the limiting convex part 741 is located at the side, the top block 730 can be used for swinging the shifting pieces to a larger extent so as to pull the pull rope to buckle the hook into the groove 101 of the sliding block 100 and pull the hook to slide, the sliding block is used as a driving part for deformation of other parts, for example, the sliding block can be used as a connecting part of the two components to realize separation of the two components by pulling the sliding block, and of course, the sliding block can also be used as a function key of other mechanism driving modes such as folding and folding of a baby carriage, deformation and the like.

In the third embodiment, compared with the second embodiment, the difference is that there is no safety fixture block, instead of the safety fixture block, there is a limit button, the outer sleeve is further provided with a limit button 80 transversely inserted into the outer sleeve and located between the pressing block and the shifting piece, the limit button transversely extends into the outer sleeve to realize the downward distance of the limit pressing block, the lower side of the middle part of the pressing block is provided with a concave surface 722, two sides of the front part and the rear part of the limit button are provided with notches 810 for yielding the pressing block, the width of the cross section of the notches is smaller than the distance of the concave surface, and the cross section of the middle part is larger than the concave surface, so that the pressing block cannot pass through.

When limit button's notch was located and presses the briquetting below, the concave surface of pressing the briquetting has the assurance that can pass along the notch in order to realize the downstream distance of kicking block promptly kicking block inboard, when limit button 80 removed to the middle part region and was located the below of pressing the briquetting, then utilized the downstream distance of limit button 80 separation to press the briquetting to the swing range of injecing the plectrum.

In the fourth embodiment, the slide block 100 is provided on the front side of the inner sleeve, the hook lock structure includes a front collar 360 provided on the front side of the hook, and the hook 102 provided on the slide block 100 can be engaged with the front hook portion of the hook, which is different from the first embodiment in that the structure of the front portion of the hook is opposite to the engagement structure of the slide block.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (10)

1. A telescopic latch hook structure of a baby stroller is characterized by comprising an outer sleeve and an inner sleeve sleeved in the outer sleeve, wherein an inner tube socket is fixed at one end of the inner sleeve inserted into the outer sleeve, the inner tube socket is hollow, a lower opening is formed in the front side of the inner tube socket, a tail spring transversely arranged is fixed at the rear part of the inner tube socket, a latch seat positioned in the inner tube socket is fixed at the front side of the tail spring, an upper spring is fixed at the upper part in the latch seat, a hook positioned in the latch seat is fixed below the upper spring, a lower bulge capable of extending out the lower part of the latch seat and the lower opening of the inner tube socket is arranged at the lower part of the hook, a limiting groove capable of being communicated with the lower opening of the inner sleeve is arranged on the outer sleeve, a pull rope for driving the hook to move towards the upper part is connected with the upper part through the top of the latch seat, and the pull rope extends into the latch hook to be connected with the hook, the front side of the hook is provided with a hook lock structure which can be matched with the hook.

2. The retractable latch hook structure of claim 1, wherein the pull cord is driven by a pull cord driving device, the pull cord driving device comprises a pulling piece located on the outer sleeve, the pulling piece is hinged in the outer sleeve, the outer side of the pulling piece is fixedly connected with the pull cord, the pulling piece is driven to move when being pulled to swing, so that the pulling hook is pulled to move against the elastic force of the upper spring and the tail spring, the outer sleeve is further connected with a pressing block capable of pushing against the pulling piece to swing through a pressing spring, and a pushing block capable of pushing against the outer side of the pulling piece to rotate the pulling piece around a hinge joint with the outer sleeve is fixed in the pressing block.

3. The retractable locking hook structure of a stroller according to claim 2, wherein the outer sleeve is U-shaped, the inner sleeve has a pair of inner hooks respectively engaging with two ends of the outer sleeve, and the inner hooks extend out of the lower opening and the lower protrusion of the limiting groove to fixedly connect the inner sleeve and the outer sleeve.

4. The retractable locking hook structure of a stroller according to claim 2, wherein the pair of fingers are respectively connected to the pull cords extending from the inner sleeves at two sides of the outer sleeve, the two fingers are disposed in a vertically staggered manner, and the pair of pushing blocks fixed in the pressing block and capable of pushing against the fingers are disposed in a vertically staggered manner.

5. The retractable locking hook structure of a stroller according to claim 2, 3 or 4, wherein the outer sleeve further comprises a safety catch slidably engaged with the outer sleeve, the safety catch comprises a limit protrusion extending into the outer sleeve, and the outer sleeve comprises a limit groove for the limit protrusion to extend into.

6. The retractable locking hook structure of a stroller according to claim 2, 3 or 4, wherein the outer sleeve is further provided with a limit button transversely inserted into the outer sleeve and located between the pressing block and the pick, and the limit button has a convex surface on a surface thereof along a direction of inserting into the outer sleeve for limiting a downward distance of the pressing block or a notch for ensuring a length of the downward distance of the pressing block.

7. The retractable locking hook structure of baby stroller as claimed in any one of claims 1 to 4, wherein the front side of the inner sleeve has a sliding block, the locking hook structure comprises a front hook portion disposed on the front side of the hook and a groove on the sliding block for engaging with the front hook portion of the hook.

8. The retractable locking hook structure of a stroller according to any one of claims 1 to 4, wherein the front side of the inner sleeve has a sliding block, and the locking hook structure comprises a front sleeve ring disposed on the front side of the hook and a hook on the sliding block, the hook being capable of engaging with the front hook portion of the hook.

9. The retractable locking hook structure of a stroller according to claim 4, wherein the inner tube socket has a guide groove on a side portion thereof, the side portion protrusion is capable of sliding along the guide groove, and when the lower protrusion is disengaged from the retaining groove, the lower edge of the side portion protrusion of the hook is lower than the guide groove.

10. The retractable latching hook structure of claim 4, wherein the side of the hook has a side protrusion, the side of the hook seat has a slot for the side protrusion to protrude, and the inner tube socket has a longitudinal slot therein for the side protrusion.

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