CN211166968U - Quick auto-lock folding car - Google Patents

Abstract

The utility model discloses a folding car of quick auto-lock, including first support frame, second support frame and movable platform, first support frame sets up with the second support frame relatively to movable platform every group is provided with two, the utility model relates to a folding car technical field. This folding car of quick auto-lock, top swing joint through the bracing piece has the expansion handle, and guide way and chute have been seted up to the inside of expansion handle, one side of bracing piece inner wall just is located the below of expansion handle bottom and passes through mounting fixedly connected with and chute matched with elastic pin, and one side fixedly connected with lug of elastic pin, the bracing piece all sets up the logical groove with lug looks adaptation with link block's inside, automatic locking is carried out when expanding to folding car that such device structural design can be convenient, not only the use of folding car has been made things convenient for, the stability after the expansion of folding car is better simultaneously, the holistic practical function of folding car is better.

Description

Quick auto-lock folding car

Technical Field

The utility model relates to a folding car technical field specifically is a quick auto-lock folding car.

Background

The folding bicycle belongs to a classification of the bicycle, the folding bicycle generally has frame folding joint and riser folding joint, traditional folding bicycle is not very firm on handlebar and standpipe combination, very big power has been applyed to the frame, bowl group and front fork to elongated standpipe, folding bicycle passes through the frame and folds, with two-wheeled fifty percent discount together around with, reducible length about 45%, whole car can be put into after folding and step on quick-witted case and folding bag, and the trunk of car, folding bicycle need not be with the help of external instrument in the folding use, the accessible is manual folding the expansion of car voluntarily.

At present, folding car is when using, opens the back with folding car, and folding assembly need carry out the locking through artifical supplementary fastener of use to folding assembly, and it is comparatively inconvenient to use to such supplementary fastener appears becoming flexible when using easily and drops, influences folding car's normal use, and folding car practical function is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a folding car of quick auto-lock has solved the folding car and has used comparatively inconveniently, needs artifical supplementary fastener of use to carry out the locking to folding assembly to such supplementary fastener appears becoming flexible easily when using and drops, influences the normal use of folding car, the relatively poor problem of folding car practical function.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a quick self-locking folding trolley comprises a first support frame, a second support frame and two movable platforms, wherein the first support frame and the second support frame are arranged oppositely, each group of the movable platforms is provided with two movable platforms, one side, which is opposite to each other, of each movable platform is respectively and rotatably connected with the surfaces of the first support frame and the second support frame, one side, which is opposite to each movable platform, of each movable platform is rotatably connected with a platform shaft, two ends of each platform shaft are respectively and fixedly connected with a support rod, the tops of the surfaces of the two support rods are respectively and slidably connected with a connecting slide block, the top ends of the support rods are movably connected with an unfolding handle, a guide groove and a chute are formed in the unfolding handle, an elastic pin matched with the chute is fixedly connected to one side of the inner wall of each support rod through a fixing piece and is positioned below the bottom, the supporting rod and the connecting slide block are both provided with a through groove matched with the lug.

Preferably, the back of the connecting slide block is provided with a sliding groove matched with the support rod, and the inner wall of the sliding groove is in sliding connection with the surface of the support rod.

Preferably, the two sides of the connecting sliding block are rotatably connected with rotating rods, and one ends of the two rotating rods are rotatably connected with the surfaces of the first supporting frame and the second supporting frame through pin shafts respectively.

Preferably, the two sides of the connecting sliding block are both provided with movable grooves matched with the rotating rod, and the insides of the movable grooves are rotatably connected with the rotating rod through rotating pins.

Preferably, the front and the back of the bottoms of the first support frame and the second support frame are both fixedly connected with a rotating block, and the bottom of the rotating block is provided with a guide wheel.

Preferably, three groups of movable platforms are arranged between the first support frame and the second support frame at equal intervals.

Advantageous effects

The utility model provides a quick auto-lock folding car. Compared with the prior art, the method has the following beneficial effects:

(1) this folding car of quick auto-lock, top swing joint through the bracing piece has the expansion handle, and guide way and chute have been seted up to the inside of expansion handle, one side of bracing piece inner wall just is located the below of expansion handle bottom and passes through mounting fixedly connected with and chute matched with elastic pin, and one side fixedly connected with lug of elastic pin, the bracing piece all sets up the logical groove with lug looks adaptation with link block's inside, automatic locking is carried out when expanding to folding car that such device structural design can be convenient, not only the use of folding car has been made things convenient for, the stability after the expansion of folding car is better simultaneously, the holistic practical function of folding car is better.

(2) This folding car of quick auto-lock, one side that deviates from mutually through two movable platform rotates with the surface of first support frame and second support frame respectively to be connected, and two relative one sides of movable platform all rotate and are connected with the platform axle, the equal fixedly connected with bracing piece in both ends of platform axle, and the equal sliding connection in top on two bracing piece surfaces has link block, link block's both sides all rotate and are connected with the rotary rod, and the one end of two rotary rods is connected through the round pin hub rotation with the surface of first support frame and second support frame respectively, such device structural design makes folding car more convenient when folding the expansion, and folding car's overall structure is comparatively compact, stability is better.

Drawings

FIG. 1 is a perspective view of the unfolding structure of the foldable cart of the present invention;

FIG. 2 is a perspective view of the folding structure of the folding cart of the present invention;

FIG. 3 is a front view of the folding cart structure of the present invention;

fig. 4 is a cross-sectional view of the locking structure of the unfolding handle of the present invention;

fig. 5 is a sectional view of the unfolding handle opening structure of the present invention;

fig. 6 is a top view of the inner structure of the connecting block of the present invention.

In the figure: 1-a first support frame, 2-a second support frame, 3-a movable platform, 4-a platform shaft, 5-a support rod, 6-a connecting slide block, 7-an unfolding handle, 8-a guide groove, 9-a chute, 10-an elastic pin, 11-a bump, 12-a pin shaft, 13-a through groove, 14-a chute, 15-a rotating rod, 16-a movable groove, 17-a rotating block and 18-a guide wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a quick self-locking folding trolley comprises a first support frame 1, a second support frame 2 and a movable platform 3, wherein the front surface, the back surface and one side of the movable platform 3 are respectively provided with a baffle plate, when goods are placed on the movable platform 3, the goods do not need to be worried about to slide off, three groups of the movable platform 3 are arranged between the first support frame 1 and the second support frame 2 at equal intervals, the front surface and the back surface of the bottom of the first support frame 1 and the back surface of the bottom of the second support frame 2 are respectively and fixedly connected with a rotating block 17, the bottom of the rotating block 17 is provided with a guide wheel 18, the guide wheel 18 is positioned at the bottom of the rotating block 17 to rotate, the use of the folding trolley can be conveniently provided with convenience, the first support frame 1 and the second support frame 2 are oppositely arranged, two groups of the movable platform 3 are arranged, one side, which is deviated from the two movable, one side of the movable platform 3 is rotatably connected with the first support frame 1 and the second support frame 2 through pin shafts, one opposite side of the two movable platforms 3 is rotatably connected with a platform shaft 4, two ends of the platform shaft 4 are fixedly connected with support rods 5, the tops of the surfaces of the two support rods 5 are slidably connected with connecting sliding blocks 6, the back of each connecting sliding block 6 is provided with a sliding groove 14 matched with the corresponding support rod 5, the inner wall of each sliding groove 14 is slidably connected with the surface of each support rod 5, two sides of each connecting sliding block 6 are rotatably connected with rotating rods 15, one end of each rotating rod 15 is respectively rotatably connected with the surfaces of the first support frame 1 and the second support frame 2 through pin shafts 12, two sides of each connecting sliding block 6 are provided with movable grooves 16 matched with the corresponding rotating rods 15, the interiors of the movable grooves 16 are rotatably connected with the rotating rods 15 through rotating pins, and the top ends of the support rods, a guide groove 8 and a chute 9 are formed in the unfolding handle 7, an elastic pin 10 matched with the chute 9 is fixedly connected to one side of the inner wall of the support rod 5 and below the bottom end of the unfolding handle 7 through a fixing piece, a convex block 11 is fixedly connected to one side of the elastic pin 10, a through groove 13 matched with the convex block 11 is formed in the support rod 5 and the connecting slide block 6, and meanwhile, the contents which are not described in detail in the specification belong to the prior art known by the skilled person.

When the unfolding handle 7 moves upwards in use, the inclined groove 9 arranged at the bottom of the unfolding handle 7 enables the elastic pin 10 to be retracted inwards, when the elastic pin 10 is separated from the connecting slide block 6, the unfolding handle 7 drives the support rod 5 to move upwards, and then the movable platform 3 is driven to move upwards, at the moment, the connecting end of the rotating rod 15 and the connecting slide block 6 slides downwards on the supporting rod 5 until the folding vehicle is completely folded and unfolded, the hand-press movable platform 3 moves downwards, at the moment, the connecting end of the rotating rod 15 and the connecting sliding block 6 slides upwards on the supporting rod 5, the rotating rod 15 drives the first supporting frame 1, the second supporting frame 2 and the movable platform 3 to be unfolded towards two sides, when the movable platform is unfolded in place, when the connecting slide block 6 reaches the upper side of the support rod 5, the elastic pin 10 is connected with the connecting slide block 6 and fixed, and the folding bicycle is self-locked, so that the whole working principle of the quick self-locking folding bicycle is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a quick auto-lock folding car, includes first support frame (1), second support frame (2) and activity platform (3), first support frame (1) sets up with second support frame (2) relatively to activity platform (3) every group is provided with two, its characterized in that: two one side that movable platform (3) deviate from is rotated with the surface of first support frame (1) and second support frame (2) respectively and is connected to one side that two movable platform (3) are relative all rotates and is connected with platform axle (4), the equal fixedly connected with bracing piece (5) in both ends of platform axle (4) to the equal sliding connection in top on two bracing piece (5) surfaces has link block (6), the top swing joint of bracing piece (5) has expansion handle (7), and guide way (8) and chute (9) have been seted up to the inside of expansion handle (7), one side of bracing piece (5) inner wall just is located the below of expansion handle (7) bottom and passes through mounting fixedly connected with and chute (9) matched with elastic pin (10) to one side fixedly connected with lug (11) of elastic pin (10), bracing piece (5) and link block (6) inside are all seted up with lug (11) looks adaptation A through groove (13).

2. The quick self-locking folding cart according to claim 1, characterized in that: the back of the connecting slide block (6) is provided with a sliding groove (14) matched with the support rod (5), and the inner wall of the sliding groove (14) is in sliding connection with the surface of the support rod (5).

3. The quick self-locking folding cart according to claim 1, characterized in that: the two sides of the connecting sliding block (6) are connected with rotating rods (15) in a rotating mode, and one ends of the two rotating rods (15) are connected with the surfaces of the first supporting frame (1) and the second supporting frame (2) in a rotating mode through pin shafts (12) respectively.

4. The quick self-locking folding cart according to claim 3, characterized in that: the two sides of the connecting sliding block (6) are both provided with movable grooves (16) matched with the rotating rods (15), and the movable grooves (16) are rotatably connected with the rotating rods (15) through rotating pins.

5. The quick self-locking folding cart according to claim 1, characterized in that: the front and the back of the bottoms of the first support frame (1) and the second support frame (2) are fixedly connected with rotating blocks (17), and guide wheels (18) are arranged at the bottoms of the rotating blocks (17).

6. The quick self-locking folding cart according to claim 1, characterized in that: the movable platform (3) is positioned between the first support frame (1) and the second support frame (2) and is provided with three groups at equal intervals.

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