CN208760679U - A kind of folding pushchair - Google Patents

Abstract

The utility model discloses a kind of folding pushchair, including vehicle frame, vehicle frame includes chassis, side arm in front of chassis is set and the after-frame at chassis rear is set, two sides are equipped with two arranged symmetrically and foldable crossbeams between side arm and after-frame, crossbeam includes latching device, first crossbeam pipe and second cross beam pipe, first crossbeam pipe and second cross beam pipe are hingedly connected on side arm and after-frame, it is movably connected between first crossbeam pipe and second cross beam pipe by latching device and enables to relatively rotate, and two beam pipes are made to be able to maintain relative level by latching device locking when first crossbeam pipe and second cross beam pipe are flattened；The utility model structure is simple, unfolds and folds and packs up polyvinyl chloride conveniently, and can provide cross-brace power by crossbeam and improve ornamental value come vehicle pocket smooth beauty when supporting vehicle pocket to improve the bearing stability of vehicle pocket, and being unfolded.

Description

A kind of folding pushchair

Technical field

The utility model relates to trolley technical fields, and in particular to a kind of folding pushchair.

Background technique

Chinese document CN103895672A (applying date: on December 25th, 2012) discloses a kind of sandy beach cart, including vehicle Frame, handlebar and wheel, vehicle frame include chassis, side arm, after-frame and two side frames, and two side frames are in symmetrical structure, packet with respect to chassis Include the X component and multiple hinges for being used to connect the two neighboring X component in the same side that at least two groups arranged side by side are symmetrically set Connector, X component include by the way that the first cant beam and the second cant beam of articulated shaft hingedly among itself is arranged in；First cant beam or One end of two cant beams, hinged by articulated joint and the first cant beam of adjacent X component or the second cant beam, the other end passes through under chassis Bracket and side arm or after-frame are hinged, or hinged by articulated joint and the first cant beam of another adjacent X component or the second cant beam.This reality With novel provided sandy beach cart, there can be lesser volume after folding, while there is simple connection structure, thus It can reduce a possibility that sandy beach cart breaks down in use.But there are the following problems for the structure: being not provided with water The beam pipe of flat support, four points for making vehicle pocket made of flexible cloth face that can only lean on quadrangle tense support, to make beach buggy Flexible cloth cover support force decline, while after beach buggy opening, vehicle pocket made of flexible cloth face can generate obvious fold, influence product Aesthetics.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of folding pushchair, and structure is simple, expansion and folding Overlapping plays polyvinyl chloride conveniently, and can provide cross-brace power by crossbeam to support vehicle pocket so that the carrying for improving vehicle pocket is steady It is qualitative, and the smooth beauty of vehicle pocket improves ornamental value when expansion.

In order to achieve the above objectives, the utility model is achieved through the following technical solutions:

A kind of folding pushchair, including vehicle frame, vehicle frame include chassis, the side arm being arranged in front of chassis and are arranged in chassis The after-frame at rear, between side arm and after-frame two sides be equipped with two be symmetrical arranged and foldable crossbeams, crossbeam include latching device, First crossbeam pipe and second cross beam pipe, first crossbeam pipe and second cross beam pipe are hingedly connected on side arm and after-frame, first crossbeam It is movably connected between pipe and second cross beam pipe by latching device and enables to relatively rotate, and in first crossbeam pipe and second Two beam pipes are made to be able to maintain relative level by latching device locking when beam pipe flattens.

Further, the latching device includes the first rotating member and the second rotating member, the first rotating member and first crossbeam pipe One end is affixed, and the second rotating member and second cross beam pipe one end are affixed, and the first rotating member can connect in relative rotation with the second rotating member It is connected together, and is equipped with locating piece between the first rotating member and the second rotating member, flattened in first crossbeam pipe and second cross beam pipe When lock the first rotating member of limitation and the relative rotation of the second rotating member by locating piece and make first crossbeam pipe and second Beam pipe is able to maintain relative level.

Further, locating piece accommodating cavity is equipped in second rotating member, between locating piece and locating piece accommodating cavity bottom Enable locating piece elasticity is inside and outside to be telescopically located in locating piece accommodating cavity equipped with elastic component, and locating piece is controlled by a key External extension in its relative positioning part accommodating cavity is equipped with the limiting section matched with locating piece in locating piece accommodating cavity to limit positioning Part cannot be rotated relative to the second rotating member, when first crossbeam pipe and second cross beam pipe turn to relative level, locating piece and the One rotating member location fit locks the first rotating member and the second rotating member in turn to be made to relatively rotate.

Further, it is equipped with cavity in first rotating member, the side wall of cavity is equipped with protruding shaft, and locating piece is equipped with can be with Protruding shaft matches the first concave surface, when first crossbeam pipe turns to relative level with second cross beam pipe, makees in the elastic force of elastic component It is popped up and is extend into the cavity of the first rotating member from the locating piece accommodating cavity of the second rotating member with lower locating piece part, and is recessed Protruding shaft on chamber side wall, which is caught on the first concave surface of locating piece, to be made the first rotating member together with locating piece location fit and then leads to Cross locating piece the first rotating member of locking makes to relatively rotate with the second rotating member.

Further, the locating piece is equipped with the second concave surface, when first crossbeam pipe and second cross beam pipe turn to folding and receive When the state of rising, locating piece part is popped up from the locating piece accommodating cavity of the second rotating member and is protruded under the elastic force effect of elastic component Into the cavity of the first rotating member, and the protruding shaft in cavity side walls is caught on the second concave surface of locating piece makes the first rotating member and fixed Position part location fit makes to relatively rotate together and then by locating piece the first rotating member of locking with the second rotating member.

Further, the key is located on the outside of the first rotating member, and it is recessed that connection is offered on the lateral surface of the first rotating member The notch of chamber, key are equipped with a convex block, and convex block is inserted into cavity and is cooperated with locating piece phase contact by notch and pressed with passing through Key is pressed to control interior external extension of the locating piece in the locating piece accommodating cavity of the second rotating member.

Further, the limiting section is located on the side wall of locating piece accommodating cavity, and limiting section is raised line, and locating piece is equipped with The vertical groove matched with raised line.

Further, first rotating member is equipped with the first Fixed Division, and the second rotating member is equipped with the second Fixed Division, and first is horizontal Beam pipe one end is plugged and fixed in the first Fixed Division, and second cross beam pipe one end is plugged and fixed in the second Fixed Division.

Further, the elastic component is compressed spring.

Further, the both sides of the crossbeam and the bottom of side arm and after-frame are respectively articulated with and are provided with a diagonal brace.

Folding pushchair described in the utility model, has the advantages that

The utility model structure is simple, unfolds and folds and packs up polyvinyl chloride conveniently, and can provide lateral branch by crossbeam Support force improves ornamental value come vehicle pocket smooth beauty when supporting vehicle pocket to improve the bearing stability of vehicle pocket, and being unfolded.

Detailed description of the invention

Fig. 1 is the unfolded state structural schematic diagram of the utility model embodiment.

Fig. 2 is the folding collapsed state structural schematic diagram of the utility model embodiment.

Fig. 3 is the stereogram exploded view of the latching device of the utility model embodiment.

Fig. 4 is the structural schematic diagram of first rotating member of the utility model embodiment.

Fig. 5 is the structural schematic diagram of second rotating member of the utility model embodiment.

Fig. 6 is the structural schematic diagram of the locating piece of the utility model embodiment.

Label declaration:

1, vehicle frame, 11, chassis, 12, side arm, 13, after-frame.

2, crossbeam, 21, latching device, the 211, first rotating member, 2111, cavity, 21111, protruding shaft, 2112, notch, 2113 First Fixed Division, the 212, second rotating member, 2121, locating piece accommodating cavity, 21211, limiting section, the 2122, second Fixed Division, 213, Locating piece, the 2131, first concave surface, the 2132, second concave surface, 2133, groove, 214, elastic component, 215, key, 2151, convex block.

3, down tube.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and embodiments.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Attached drawing 1 is please referred to attached drawing 6, in the utility model embodiment, a kind of folding pushchair, including vehicle frame 1, vehicle frame 1 Including chassis 11, the side arm 12 that 11 front of chassis is arranged in and the after-frame 13 that 11 rear of chassis is arranged in, side arm 12 and after-frame 13 Between two sides be equipped with two and be symmetrical arranged and foldable crossbeams 2, crossbeam 2 include latching device 21, first crossbeam pipe 22 and the Two beam pipes 23, first crossbeam pipe 22 and second cross beam pipe 23 are hingedly connected on side arm 12 and after-frame 13, first crossbeam pipe 22 It is movably connected between second cross beam pipe 23 by latching device 21 and enables to relatively rotate, and in 22 He of first crossbeam pipe Two beam pipes are made to be able to maintain relative level by the locking of latching device 21 when second cross beam pipe 23 flattens.In the present embodiment, preferably Ground, vehicle frame 1 further include the handlebar that 1 front of vehicle frame is arranged in and the wheel for being fixed on bottom of frame surrounding.In the present embodiment, vehicle frame 1 chassis 11, side arm 12, after-frame 13, handlebar and wheel structure belong to the prior art, can refer to prior art design, herein It repeats no more.The present embodiment increases support vehicle by the way that folding crossbeam 2 is arranged on the two sides between side arm 12 and after-frame 13 The stability of pocket and smooth aesthetics.

Attached drawing 1 is please referred to attached drawing 6, in the present embodiment, it is preferable that latching device 21 includes the first rotating member 211 and the Two rotating members 212, the first rotating member 211 and 22 one end of first crossbeam pipe are affixed, the second rotating member 212 and second cross beam pipe 23 1 Hold affixed, the first rotating member 211 can link together in relative rotation with the second rotating member 212, and the first rotating member 211 and It is equipped with locating piece 213 between two rotating members 212, passes through locating piece 213 when first crossbeam pipe 22 and second cross beam pipe 23 flatten To lock the relative rotation of the first rotating member 211 of limitation and the second rotating member 212 and then make first crossbeam pipe 22 and second cross beam Pipe 23 is able to maintain relative level.In the present embodiment, it is preferable that in assembly, by bolt by the first rotating member 211 and second turn Moving part 212 is rotatably mounted to together, and locating piece 213 is slideably nested on bolt.

Attached drawing 3 is please referred to attached drawing 6, in the present embodiment, it is preferable that be equipped with locating piece accommodating cavity in the second rotating member 212 2121, be equipped between 2121 bottom of locating piece 213 and locating piece accommodating cavity elastic component 214 enable locating piece 213 it is elastic in it is overhanging It is located in locating piece accommodating cavity 2121 to contracting, and locating piece 213 controls its relative positioning part accommodating cavity by a key 215 External extension in 2121 is equipped with the limiting section 21211 matched with locating piece 213 in locating piece accommodating cavity 2121 to limit locating piece 213 cannot rotate relative to the second rotating member 212, fixed when first crossbeam pipe 22 turns to relative level with second cross beam pipe 23 Position part 213 makes with 211 location fit of the first rotating member and then the first rotating member 211 of locking and the second rotating member 212 can not be opposite Rotation.

Attached drawing 3 is please referred to attached drawing 6, in the present embodiment, it is preferable that be equipped with cavity 2111, cavity in the first rotating member 211 2111 side wall is equipped with protruding shaft 21111, and locating piece 213 is equipped with can match the first concave surface 2131 with protruding shaft 21111, when the When one beam pipe 22 turns to relative level with second cross beam pipe 23,213 part of locating piece under the elastic force effect of elastic component 214 It pops up and is extend into the cavity 2111 of the first rotating member 211 from the locating piece accommodating cavity 2121 of the second rotating member 212, and is recessed Protruding shaft 21111 on 2111 side wall of chamber, which is caught on the first concave surface 2131 of locating piece 213, makes the first rotating member 211 and locating piece 213 location fits are made by the first rotating member 211 of locking of locating piece 213 with the second rotating member 212 in turn together can not be opposite Rotation.In the present embodiment, it is preferable that locating piece 213 is equipped with the second concave surface 2132, when first crossbeam pipe 22 and second cross beam pipe 23 turn to when folding collapsed state, and 213 part of locating piece is from the second rotating member 212 under the elastic force effect of elastic component 214 It pops up and extend into the cavity 2111 of the first rotating member 211 in locating piece accommodating cavity 2121, and is on 2111 side wall of cavity convex Axis 21111, which is caught on the second concave surface 2132 of locating piece 213, makes the first rotating member 211 together with 213 location fit of locating piece And then make to relatively rotate with the second rotating member 212 by the first rotating member 211 of locking of locating piece 213.Shape is packed up in folding In state, flat and entire adjustment process, locating piece 213 always can not be opposite under the position-limiting action of limiting section 21211 The rotation of second rotating member.In addition, it will be understood by those skilled in the art that in other embodiments, the first concave surface 2131 and second is recessed The setting position in face 2132 and the setting position of protruding shaft 21111 can be exchanged, i.e., two concave surfaces are arranged in the first rotating member On 211, the protruding shaft that will be matched with two concave surfaces is arranged on locating piece 213, to flatten in crossbeam 2 and fold collapsed state The first rotating member of Shi Suoding 211 makes to relatively rotate with the second rotating member 212.

Attached drawing 3 is please referred to attached drawing 6, in the present embodiment, key 215 is located at 211 outside of the first rotating member, and the first rotation The notch 2112 of connection cavity 2111 is offered on the lateral surface of part 211, key 215 is equipped with a convex block 2151, convex block 2151 It is inserted into cavity 2111 and is cooperated with 213 phase contact of locating piece to control positioning by pressing keys 215 by notch 2112 Interior external extension of the part 213 in the locating piece accommodating cavity 2121 of the second rotating member 212.

Attached drawing 3 is please referred to attached drawing 6, in the present embodiment, it is preferable that limiting section 21211 is located at locating piece accommodating cavity 2121 Side wall on, and limiting section 21211 is raised line, and locating piece 213 is equipped with the vertical groove 2133 that matches with raised line.So And it will be understood by those skilled in the art that in other embodiments, the setting position of limiting section 21211 and groove 2133 is can be with It exchanges, i.e., opens up groove on the side wall of locating piece accommodating cavity 2121, setting cooperates with groove on the periphery of locating piece 213 Protrusion limiting section, can not be rotated relative to the second rotating member 212 to limit locating piece 213.

Please refer to attached drawing 1, attached drawing 2, in the present embodiment, the first rotating member 211 is equipped with the first Fixed Division 2113, the second rotation Part 212 is equipped with the second Fixed Division 2122, and 22 one end of first crossbeam pipe is plugged and fixed in the first Fixed Division 2113, second cross beam 23 one end of pipe is plugged and fixed in the second Fixed Division 2122.

Please refer to attached drawing 3, in the present embodiment, elastic component 214 is compressed spring.It will be understood by those skilled in the art that elastic Part 214 is also possible to other structures, such as waveform spring or other similar structure, as long as enabling overhanging in the elasticity of locating piece 213 It is located in locating piece accommodating cavity 2121 to contracting.

Please refer to attached drawing 1, attached drawing 2, in the present embodiment, the both sides of crossbeam 2 are cut with scissors respectively with the bottom of side arm 12 and after-frame 13 It connects and is provided with a down tube 3.Down tube 3 and the connection of side arm 12, after-frame 13, first crossbeam pipe 22 and second cross beam pipe 23 are Hingedly.Down tube 3 can provide certain support force for crossbeam 2 when crossbeam 2 flattens.

Use process is as follows: original state is to fold collapsed state, and the protruding shaft 21111 on the first rotating member 211 is blocked at this time Enter makes to relatively rotate in the second concave surface 2132 of locating piece 213, the groove 2133 of locating piece 213 and and limiting section 21211 Match and limiting locating piece 213 can not rotate relative to the second rotating member 212, and then locked 211 He of the first rotating member Second rotating member 212 makes to relatively rotate, and maintains folding collapsed state.When need to be unfolded in use, first pressing keys 215, So that the convex block 2151 of key 215 is headed on locating piece 213 to 2121 internal motion of locating piece accommodating cavity and makes on the first rotating member 211 Protruding shaft 21111 and locating piece 213 the second concave surface 2132 be detached from location fit, the first rotating member 211 can be with second turn at this time Moving part 212 relatively rotates, and rotates in adjustment process, due between locating piece 213 and the bottom of locating piece accommodating cavity 2121 Equipped with elastic component 214, the end face of protruding shaft 21111 and the end face phase contact of locating piece 213 but the first rotating member 211 and are not limited Two rotating members 212 relatively rotate, but when turning to flat, the protruding shaft 21111 on the first rotating member 211 will rotate into On 2131 coaxial position of the first concave surface on locating piece 213, under the effect of 214 elastic force of elastic component, protruding shaft 21111 will be caught in automatically Location fit is generated in first concave surface 2131 of locating piece 213 makes the first rotating member 211 of locking and the second rotating member 212 not It can relatively rotate, to keep unfolded state.When that need to pack up, pressing keys 215 is only needed to make the first concave surface of locating piece 213 2131, which are detached from location fit i.e. with protruding shaft 21111, can be folded.The utility model structure is simple, unfolds and folds the process of packing up It is efficient and convenient, and cross-brace power can provide to support vehicle pocket to improve the bearing stability of vehicle pocket by crossbeam 2, and open up The smooth beauty of vehicle pocket improves ornamental value when opening.

The above, embodiment are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to before Embodiment is stated the utility model is described in detail, those skilled in the art should understand that: it still can be with It modifies to technical solution documented by previous embodiment, or some technical characteristics therein is equivalently replaced；And These modifications or substitutions do not make corresponding technical solution be detached from the spirit and scope of the utility model embodiment technical solution, because This every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this The protection scope of utility model.

Claims (10)

1. a kind of folding pushchair, including vehicle frame (1), vehicle frame (1) includes the side arm of chassis (11), setting in front of chassis (11) (12) and setting chassis (11) rear after-frame (13), it is characterised in that: set on two sides between side arm (12) and after-frame (13) There are two to be symmetrical arranged and foldable crossbeam (2), crossbeam (2) include that latching device (21), first crossbeam pipe (22) and second are horizontal Beam pipe (23), first crossbeam pipe (22) and second cross beam pipe (23) are hingedly connected on side arm (12) and after-frame (13), and first is horizontal Between beam pipe (22) and second cross beam pipe (23) by latching device (21) be movably connected it is enabled relatively rotate, and the Two beam pipes are made to be able to maintain opposite water by latching device (21) locking when one beam pipe (22) and second cross beam pipe (23) flatten It is flat.

2. folding pushchair according to claim 1, it is characterised in that: the latching device (21) includes the first rotating member (211) and the second rotating member (212), the first rotating member (211) and first crossbeam pipe (22) one end are affixed, the second rotating member (212) affixed with second cross beam pipe (23) one end, the first rotating member (211) can connect in relative rotation with the second rotating member (212) It is connected together, and is equipped with locating piece (213) between the first rotating member (211) and the second rotating member (212), in first crossbeam pipe (22) limitation the first rotating member (211) and the second rotation are locked when and second cross beam pipe (23) flattens by locating piece (213) The relative rotation of part (212) makes first crossbeam pipe (22) and second cross beam pipe (23) be able to maintain relative level in turn.

3. folding pushchair according to claim 2, it is characterised in that: be equipped with positioning in second rotating member (212) Part accommodating cavity (2121), elastic component (214) are equipped between locating piece (213) and locating piece accommodating cavity (2121) bottom makes locating piece (213) can elasticity is inside and outside telescopically be located in locating piece accommodating cavity (2121), and locating piece (213) by a key (215) come Its relative positioning part accommodating cavity (2121) interior external extension is controlled, is equipped with and locating piece (213) phase in locating piece accommodating cavity (2121) The limiting section (21211) of cooperation cannot be rotated with limiting locating piece (213) relative to the second rotating member (212), when first crossbeam pipe (22) when turning to relative level with second cross beam pipe (23), locating piece (213) and the first rotating member (211) location fit are in turn Locking the first rotating member (211) and the second rotating member (212) makes to relatively rotate.

4. folding pushchair according to claim 3, it is characterised in that: be equipped with cavity in first rotating member (211) (2111), the side wall of cavity (2111) is equipped with protruding shaft (21111), and locating piece (213), which is equipped with, to match with protruding shaft (21111) The first concave surface (2131) are closed, when first crossbeam pipe (22) and second cross beam pipe (23) turn to relative level, in elastic component (214) elastic force act on lower locating piece (213) partially from the locating piece accommodating cavity (2121) of the second rotating member (212) pop-up and It extend into the cavity (2111) of the first rotating member (211), and the protruding shaft (21111) on cavity (2111) side wall is caught in locating piece (213) make the first rotating member (211) together with locating piece (213) location fit on the first concave surface (2131) and then by fixed Position part (213) locks the first rotating member (211) to be made to relatively rotate with the second rotating member (212).

5. folding pushchair according to claim 4, it is characterised in that: the locating piece (213) is equipped with the second concave surface (2132), the bullet when first crossbeam pipe (22) and second cross beam pipe (23), which turn to, folds collapsed state, in elastic component (214) Power act on lower locating piece (213) partially from the locating piece accommodating cavity (2121) of the second rotating member (212) pop-up and extend into the In the cavity (2111) of one rotating member (211), and the protruding shaft (21111) on cavity (2111) side wall is caught in locating piece (213) Make the first rotating member (211) together with locating piece (213) location fit on second concave surface (2132) and then passes through locating piece (213) locking the first rotating member (211) makes to relatively rotate with the second rotating member (212).

6. folding pushchair according to claim 3, it is characterised in that: the key (215) is located at the first rotating member (211) outside, and the notch (2112) of connection cavity (2111), key are offered on the lateral surface of the first rotating member (211) (215) convex block (2151) are equipped with, convex block (2151) is inserted into cavity (2111) by notch (2112) and and locating piece (213) cooperation of phase contact is to control locating piece (213) by pressing keys (215) in the locating piece of the second rotating member (212) Interior external extension in accommodating cavity (2121).

7. folding pushchair according to claim 3, it is characterised in that: the limiting section (21211) is located at locating piece appearance On the side wall for setting chamber (2121), and limiting section (21211) is raised line, and locating piece (213) is vertical equipped with matching with raised line Groove (2133).

8. folding pushchair according to claim 3, it is characterised in that: it is solid that first rotating member (211) is equipped with first Socket part (2113), the second rotating member (212) are equipped with the second Fixed Division (2122), and first crossbeam pipe (22) one end is plugged and fixed In first Fixed Division (2113), second cross beam pipe (23) one end is plugged and fixed in the second Fixed Division (2122).

9. folding pushchair according to claim 3, it is characterised in that: the elastic component (214) is compressed spring.

10. folding pushchair according to any one of claims 1 to 9, it is characterised in that: the both sides of the crossbeam (2) are with before The bottom of frame (12) and after-frame (13), which is respectively articulated with, is provided with a down tube (3).