Telescopic linkage frame and baby carriage

Abstract

The utility model belongs to the technical field of baby carriages, and particularly relates to a telescopic linkage frame and a baby carriage. Comprising a handrail frame set, an upper frame set and a lower frame set, the handrail frame set is arranged on the upper side of the upper frame set and can slide and stretch out and draw back relative to the upper frame set, and the upper frame set is hinged to the lower frame set; the armrest frame set is at least provided with a folding position sliding to the lowest position relative to the upper frame set and an extending position sliding to the highest position relative to the upper frame set, and an adjusting assembly is arranged on the armrest frame set and used for limiting sliding of the armrest frame set relative to the upper frame set. A locking assembly is arranged at the hinged position of the upper frame set and the lower frame set, an unlocking linkage piece is further arranged in the upper frame set, a driving part is arranged on the armrest frame set, an unlocking assembly used for driving the driving part to act is further arranged on the armrest frame set, and the unlocking linkage piece is matched with the locking assembly of the upper frame set through the armrest frame set. And the unlocking linkage piece is effectively driven to act only at the folding position, so that the folding operation is safer.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of baby carriage, especially involve a telescopic linkage frame and baby carriage. BACKGROUND

[0002] The baby carriage frame on the market is generally set as foldable type for the convenience of storage and transportation, which is generally divided into upper frame, lower frame and handrail frame. In order to facilitate the use and folding operation, a linkage locking structure is generally arranged at the hinged part, so that the frame realizes linkage unlocking when folding, and then the parts are conveniently rotated and folded. However, for the handrail frame telescopic folding type frame, the folding of the upper frame is directly unlocked after the folding of the handrail frame, which is easy to trigger the unlocking folding during the adjustment of the handrail, and accidents are easy to occur. SUMMARY

[0003] The utility model discloses a kind of telescopic linkage frames, which is driven to unlock linkage by the locking assembly cooperation of handrail frame group and upper frame group at folding position, so that folding operation is safer.

[0004] Therefore, the utility model provides a kind of telescopic linkage frame, including handrail frame group, upper frame group, lower frame group, the handrail frame group is set on the upper side of upper frame group and can be slidably telescopic relative to upper frame group, the upper frame group is hinged with lower frame group;

[0005] The handrail frame group at least has folding position that slides to the lowest position relative to upper frame group and extension position that slides to the highest position, the handrail frame group is equipped with adjusting assembly, and the adjusting assembly is used to limit the sliding of handrail frame group relative to upper frame group;

[0006] The locking assembly is equipped at the hinge of upper frame group and lower frame group, and unlocking linkage is further equipped in the upper frame group, the driving part is equipped on the handrail frame group, and unlocking assembly for driving the driving part to act is further equipped on the handrail frame group, when the handrail frame group is located at folding position, the driving part is located at the side of unlocking linkage, and the driving part act can drive the unlocking linkage to make the locking assembly unlock.

[0007] As described above, a kind of telescopic linkage frame, the driving part is stretched from the end of the handrail frame group, and when the handrail frame group is located at folding position, the driving part is in abutment with the unlocking linkage in the upper frame group.

[0008] As described above, a kind of telescopic linkage frame, the unlocking linkage is hinged in the upper frame group and is connected with the locking assembly by operating rope, when the handrail frame group is located at folding position, the unlocking linkage is rotated by driving part act.

[0009] The telescopic linkage frame as described above, the driving part comprises a first driving member and a linkage member, the first driving member has an extended abutting end, the linkage member is connected with the unlocking assembly, and the linkage member is installed on the first driving member to drive the first driving member to extend along the handrail frame group.

[0010] The telescopic linkage frame as described above, the linkage member is further provided with a linkage gear, and the linkage member and the first driving member are provided with transmission tooth grooves for inserting and cooperating with the linkage gear.

[0011] The telescopic linkage frame as described above, the unlocking assembly is an unlocking button arranged on the handrail frame group and connected with the linkage member through a connecting rope.

[0012] The telescopic linkage frame as described above, the upper frame group is provided with a plurality of adjusting positions, and the adjusting assembly cooperates with the plurality of adjusting positions to fix the handrail frame group relative to the upper frame group.

[0013] The telescopic linkage frame as described above, the adjusting assembly comprises a clamping rod arranged in the handrail frame group and an adjusting part arranged on the outer side of the handrail frame group, one side of the clamping rod is provided with a protruding clamping tongue, the clamping tongue can be inserted into the adjusting position, and the adjusting part can drive the clamping rod to drive the clamping tongue to retract into the handrail frame group.

[0014] The telescopic linkage frame as described above, the clamping rod is hinged in the handrail frame group, one end of the clamping rod is a matching end, the adjusting part is provided with a sliding button, one end of the sliding button extends into the handrail frame group and is opposite to the matching end of the clamping rod, the matching end of the clamping rod has a guide part, and the sliding button slides relative to the handrail frame group to touch the matching end to drive the clamping rod to rotate along the hinge.

[0015] The utility model further provides a baby carriage, including above-mentioned telescopic linkage frame, and still being equipped with the carrier that can be detachable connection with the frame on the frame.

[0016] The embodiment of the utility model has the following beneficial effects:

[0017] 1. The telescopic linkage frame integrates the adjusting assembly for adjusting the stretching of the handrail frame group and the unlocking assembly for unlocking the folding of the upper frame group and the lower frame group on the handrail frame group, and only when the handrail frame group is telescoped to the folding position, the unlocking assembly can effectively drive the unlocking linkage member to operate, that is, the user can only make the handrail frame group shrink to the folding position before folding the carriage, and then the unlocking assembly can form effective unlocking operation, so as to prevent misfolding, and the operation is simple and convenient.

[0018] 2, The utility model discloses a telescopic linkage frame, and the adjusting assembly and the locking assembly are arranged on the handrail frame group, so that accessories are concentrated and modularized, and assembly is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a schematic view of the telescopic linkage frame of the utility model;

[0021] Figure 2 It is an exploded view of the upper frame group;

[0022] Figure 3 It is a schematic view of the handrail frame group and the upper frame group (adjusting assembly unlocking state);

[0023] Figure 4 It is a schematic view of the handrail frame group in the folding position;

[0024] Figure 5 It is a schematic view of the driving part and the unlocking linkage cooperation;

[0025] Figure 6 It is a schematic view of the driving part;

[0026] Figure 7 It is a schematic view of the locking assembly;

[0027] Figure 8 It is a schematic view of the folding state of the frame. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] As Figures 1 to 8As shown, the utility model embodiment provides a telescopic linkage frame, including handrail frame group 11, upper frame group 12, lower frame group 13, handrail frame group 11 is arranged in the upside of upper frame group 12 and can be relative upper frame group 12 sliding telescopic, upper frame group 12 is hinged with lower frame group 13, of course, the lower frame group 13 of this scheme includes lower front frame 131 and lower rear frame 132, and lower front frame 131 and lower rear frame 132 are hinged with each other, and can be hinged in the downside of upper frame group 12 to form the basic structure of the baby carriage frame, or lower front frame 131 and lower rear frame 132 are hinged with each other, and the hinge is extended upwards to be hinged with upper frame group 12.

[0030] In the scheme, the handrail frame group 11 has at least a folding position of sliding to the lowest position relative to the upper frame group 12 and an extension position of sliding to the highest position, the handrail frame group 11 is provided with an adjusting assembly, the adjusting assembly is used to limit the sliding of the handrail frame group 11 relative to the upper frame group 12, the upper frame group 12 and the lower frame group 13 are provided with a locking assembly at the hinge, the upper frame group 12 is further provided with an unlocking linkage 3, the handrail frame group 11 is provided with a driving part 31, and the handrail frame group 11 is further provided with an unlocking assembly 4 for driving the driving part 31 to act, when the handrail frame group 11 is located in the folding position, the driving part 31 is located on one side of the unlocking linkage 3, and the driving part 31 acts to drive the unlocking linkage 3 to unlock the locking assembly. The adjusting assembly for adjusting the extension of the handrail frame group is integrated on the handrail frame group, the unlocking assembly for unlocking the folding of the upper frame group and the lower frame group, and only when the handrail frame group is telescoped to the folding position, the unlocking assembly can effectively drive the unlocking linkage to act, that is, the user can only make the handrail frame group shrink to the folding position before folding the carriage, and then the unlocking assembly forms effective unlocking operation, to prevent misfolding, and the operation is simple and convenient.

[0031] Moreover, the adjusting assembly and the locking assembly of the scheme are arranged on the handrail frame group, so that accessories are concentrated and modularized, so that overall assembly is more convenient, and efficiency is improved.

[0032] Of course, the unlocking linkage 3 of the scheme is arranged in the upper frame group 12, and also includes components arranged in the upper frame group 12, such as a connecting arm extending into the upper frame group 12 at the hinge position, and the unlocking linkage 3 arranged in the connecting arm also belongs to the components arranged in the upper frame group 12.

[0033] Specifically, the unlocking assembly 4 drives the driving part 31 to operate, and the driving part 31 extends from the end of the handrail frame group 11. Since the driving part 31 is arranged on the handrail frame group 11, the driving part 31 naturally moves with the handrail frame group 11 to move in the upper frame group 12, thereby moving away from or close to the unlocking linkage 3. In this embodiment, when the handrail frame group 11 is in the folding position, the driving part 31 abuts against the unlocking linkage 3 in the upper frame group 12. Therefore, when the handrail frame group 11 is in other positions, even if the unlocking assembly is operated, the driving part 31 cannot drive the unlocking linkage 3, thereby preventing misoperation. Similarly, when the handrail frame group 11 is moved to the folding position, the operator needs to operate the unlocking assembly to fold the vehicle, thereby improving the safety.

[0034] As an optional embodiment, the unlocking linkage 3 is hinged in the upper frame group 12 and connected with the locking assembly through the operating rope 30. When the handrail frame group 11 is in the folding position, the driving part 31 drives the unlocking linkage 3 to rotate. Of course, the unlocking linkage 3 can also be directly in contact with the locking assembly, that is, when the unlocking linkage 3 pushes the locking assembly, the locking assembly is unlocked, thereby allowing the upper frame group 12 and the lower frame group to rotate relative to each other to fold the vehicle.

[0035] Specifically, taking the operating rope 30 as an example, the locking assembly of the present application can adopt the cooperation of the rotating unlocking part 61 and the locking gear 62. That is, the first hinge seat 601 and the second hinge seat 602 are arranged at the hinge position of the upper frame group 12. The rotating unlocking part 61 and the locking gear 62 are arranged between the first hinge seat 601 and the second hinge seat 602. The first hinge seat 601 is connected with the upper frame group 12, and the second hinge seat 602 is connected with the upper end or the upper extension of the lower frame group. The locking gear 62 is arranged in the first hinge seat 601 and the second hinge seat 602, and the outer teeth of the locking gear 62 are embedded in the tooth inner wall to limit the relative rotation of the first hinge seat 601 and the second hinge seat 602. When the rotating unlocking part 61 is driven to rotate, the rotating unlocking part 61 on one side of the locking gear 62 moves synchronously along the axial direction and presses the locking gear 62 to move, so that the locking gear 62 is separated from the tooth inner wall on one side, thereby unlocking the rotation limitation.

[0036] Of course, the unlocking assembly of the present application can also be arranged at the hinge position of the lower front frame and the lower rear frame.

[0037] Further, the driving part 31 comprises a first driving member 311 with an outward extending abutting end 3110 and a linkage member 312 connected with the unlocking assembly 4 and installed on the first driving member 311 to drive the first driving member 311 to extend outward along the handrail frame group 11. Specifically, the linkage member 312 is further provided with a linkage gear 3121, and the linkage member 312 and the first driving member 311 are provided with transmission tooth grooves 3122 for inserting and cooperating with the linkage gear 3121. The linkage gear 3121 enables the linkage member 312 and the first driving member 311 to move synchronously in opposite directions, so that when the linkage member 312 is pulled to move upward along the handrail frame group, the first driving member 311 moves downward synchronously to extend the abutting end 3110 thereon, so as to achieve the unlocking operation. Of course, in order to facilitate use, a reset spring 313 is arranged at the rear side of the linkage member 312, i.e. the movement direction when unlocking, to ensure that after the unlocking assembly is released, it can automatically move forward to reset, and the first driving member 311 is driven to reset accordingly.

[0038] Correspondingly, the unlocking assembly 4 is an unlocking button arranged on the handrail frame group 11 and connected with the linkage member 312 through the connecting rope 111. The unlocking assembly 4 adopts the combination of a conventional unlocking assembly 4 on a baby carriage frame and a steel rope, so as to achieve the unlocking purpose, and has the advantages of simple structure and convenient operation.

[0039] In the embodiment of the utility model, the upper frame group 12 is provided with a plurality of adjusting positions, and the adjusting assembly cooperates with the plurality of adjusting positions to enable the handrail frame group 11 to be fixed on the upper frame group 12 relatively. The adjusting position is equivalent to a plurality of clamping positions at different positions, and the adjusting assembly is clamped at different positions to enable the handrail frame group 11 to be adjusted to different heights.

[0040] Specifically, the adjusting assembly comprises a clamping rod 41 arranged in the handrail frame group 11 and an adjusting part 42 arranged on the outer side of the handrail frame group 11, the clamping rod 41 is provided with a protruding clamping tongue 411 on one side, the clamping tongue 411 can be extended into the adjusting position, and the adjusting part 42 can drive the clamping rod 41 to retract the clamping tongue 411 into the handrail frame group 11. The clamping rod 41 is hinged in the handrail frame group 11, one end of the clamping rod 41 is a matching end 410, the adjusting part 42 is provided with a sliding button, one end of the sliding button extends into the handrail frame group 11 and is opposite to the matching end 410 of the clamping rod 41, and the matching end 410 of the clamping rod 41 is provided with a guide part, the sliding button slides relative to the handrail frame group 11 to touch the matching end 410 to make the clamping rod 41 rotate along the hinge. And one end of the clamping tongue 411 of the clamping rod 41 is provided with a spring 412 for limiting the clamping tongue 411, so that the clamping rod 41 is automatically reset when the adjusting part 42 is not operated, and the guide part is provided, so that the matching end 410 of the clamping rod 41 is reset, and the adjusting part 42 is reset.

[0041] The utility model also provides a kind of baby carriage, including the telescopic linkage frame of above, and still being equipped with the carrier of detachable connection with carriage on carriage, carrier can be seat, bed frame etc., its application this carriage, so with same beneficial effect.

[0042] The utility model provides a kind of telescopic linkage carriage, the adjusting assembly for adjusting the stretching of handrail frame group is integrated on the handrail frame group, the unlocking assembly for unlocking the folding of upper carriage group and lower carriage group, and only when handrail frame group telescopes to folding position, operation unlocking assembly can effectively drive unlocking linkage to act, i.e. user only makes handrail frame group shrink to folding position before unlocking assembly forms effective unlocking operation when folding, to prevent misfolding condition, and operation is simple, convenient.

[0043] It should be understood that the terms "first", "second" and the like are used in the present application to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information. In addition, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation on the present application. The device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0044] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, under the premise of can make a number of improvements and deformation, these improvements and deformation also be considered as the protection scope of the present application.

Claims

1. A telescoping linkage frame, characterized by, The handrail frame group (11), the upper frame group (12) and the lower frame group (13) are provided, the handrail frame group (11) is arranged on the upper side of the upper frame group (12) and can slide and stretch out relative to the upper frame group (12), and the upper frame group (12) is hinged with the lower frame group (13); The handrail frame group (11) has at least a folding position of sliding to the lowest position relative to the upper frame group (12) and a stretching position of sliding to the highest position, an adjusting assembly is arranged on the handrail frame group (11), and the adjusting assembly is used for limiting the sliding of the handrail frame group (11) relative to the upper frame group (12); A locking assembly is arranged at the hinge position of the upper frame group (12) and the lower frame group (13), an unlocking linkage (3) is further arranged in the upper frame group (12), a driving part (31) is arranged on the handrail frame group (11), and an unlocking assembly (4) for driving the driving part (31) to act is further arranged on the handrail frame group (11), when the handrail frame group (11) is located at the folding position, the driving part (31) is located on one side of the unlocking linkage (3), and the driving part (31) acts to drive the unlocking linkage (3) to unlock the locking assembly.

2. A telescoping linkage frame according to claim 1, wherein, The driving part (31) extends from the end of the handrail frame group (11), and when the handrail frame group (11) is located at the folding position, the driving part (31) abuts against the unlocking linkage (3) in the upper frame group (12).

3. A telescoping linkage frame according to claim 2, wherein, The unlocking linkage (3) is hinged in the upper frame group (12) and connected with the locking assembly through an operating rope (30), and when the handrail frame group (11) is located at the folding position, the unlocking linkage (3) is driven to rotate by the driving part (31).

4. A telescoping linkage frame according to claim 3, wherein, The driving part (31) comprises a first driving part (311) and a linkage (312), the first driving part (311) has an abutting end (3110) extending outward, the linkage (312) is connected with the unlocking assembly (4), and the linkage (312) is installed on the first driving part (311) to drive the first driving part (311) to extend outward along the handrail frame group (11).

5. A telescoping linkage frame according to claim 4, wherein, The linkage (312) is further provided with a linkage gear (3121), and the linkage (312) and the first driving part (311) are provided with transmission tooth grooves (3122) for inserting and cooperating with the linkage gear (3121).

6. A telescoping linkage frame according to claim 4 or 5, wherein, The unlocking assembly (4) is an unlocking button arranged on the handrail frame group (11) and connected with the linkage (312) through a connecting rope (111).

7. A telescoping linkage frame according to claim 1, wherein, The upper frame group (12) is provided with a plurality of adjusting positions, and the adjusting assembly cooperates with the plurality of adjusting positions to fix the handrail frame group (11) relative to the upper frame group (12).

8. A telescoping linkage frame according to claim 7, wherein, The adjusting assembly comprises a clamping rod (41) arranged in the handrail frame group (11) and an adjusting part (42) arranged on the outer side of the handrail frame group (11), one side of the clamping rod (41) is provided with a protruding clamping tongue (411) which can be extended into the adjusting position, and the adjusting part (42) can drive the clamping rod (41) to drive the clamping tongue (411) to retract into the handrail frame group (11).

9. A telescoping linkage frame according to claim 8, wherein, The clamping rod (41) is hinged in the handrail frame group (11), one end of the clamping rod (41) is a matching end (410), the adjusting part (42) is provided with a sliding button, one end of the sliding button is extended into the handrail frame group (11) and is opposite to the matching end (410) of the clamping rod (41), and the matching end (410) of the clamping rod (41) has a guide part, the sliding button slides relative to the handrail frame group (11) to touch the matching end (410) so that the clamping rod (41) rotates along the hinge.

10. A stroller characterized by The telescopic linkage frame comprises the telescopic linkage frame and a carrier which is detachably connected with the frame.

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