CN110217282B - Folding vehicle - Google Patents

Folding vehicle Download PDF

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Publication number
CN110217282B
CN110217282B CN201910642193.3A CN201910642193A CN110217282B CN 110217282 B CN110217282 B CN 110217282B CN 201910642193 A CN201910642193 A CN 201910642193A CN 110217282 B CN110217282 B CN 110217282B
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CN
China
Prior art keywords
block
branch pipe
pipe
bracket
folding
Prior art date
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Active
Application number
CN201910642193.3A
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Chinese (zh)
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CN110217282A (en
Inventor
杨鹏耀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Lianyang Daily Products Co ltd
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Huizhou Lianyang Daily Products Co ltd
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Publication date
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Priority to CN201910642193.3A priority Critical patent/CN110217282B/en
Publication of CN110217282A publication Critical patent/CN110217282A/en
Application granted granted Critical
Publication of CN110217282B publication Critical patent/CN110217282B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B62B7/086Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/10Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body

Abstract

The invention discloses a folding bicycle, which comprises a first bracket and a second bracket, wherein the first bracket comprises a first branch pipe and a second branch pipe, the first branch pipe comprises a first pipe body, a first sliding block and a locking piece, the first bracket is connected with the first pipe body, the first sliding block is connected with the first pipe body in a sliding way, and the locking piece is arranged in the first pipe body; one end of the second branch pipe is connected with the first bracket, and the other end of the second branch pipe is connected with the first sliding block; the third bracket comprises a third branch pipe, a pipe sleeve and a folding structure, wherein the pipe sleeve and the folding structure are arranged on the third branch pipe, the third branch pipe is connected with the second branch pipe, and the pipe sleeve is arranged on the first branch pipe; a fourth bracket connected to the second branch pipe; unlocking is carried out through the locking piece, the second branch pipe moves along with the first sliding block, the first support, the third branch pipe and the fourth support are driven to fold towards the direction close to the first pipe body, the pipe sleeve is propped against the receiving structure, the whole folding cart is finally folded, the whole folding cart is simple in structure, the whole volume is small after folding, the space is saved, and the folding cart is convenient to carry.

Description

Folding vehicle
Technical Field
The invention relates to the technical field of strollers, in particular to a folding bicycle.
Background
In daily life, in order to alleviate working pressure and promote the emotion of relatives, whole family goes out to play and is the choice well, if there is the baby in the family, in order to prevent too tired in the play process, can all take the perambulator, be convenient for put the baby in the car, but current perambulator structure is complicated, and overall structure is bigger after folding, not only occupation space, still inconvenient carry.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a folding bicycle.
The invention discloses a folding bicycle, comprising:
a first bracket;
the second bracket comprises a first branch pipe and a second branch pipe, the first branch pipe comprises a first pipe body, a first sliding block and a locking piece, the first bracket is connected with the first pipe body, the first sliding block is connected with the first pipe body in a sliding manner, and the locking piece is arranged in the first pipe body; one end of the second branch pipe is connected with the first bracket, and the other end of the second branch pipe is connected with the first sliding block;
the third bracket comprises a third branch pipe, a pipe sleeve and a folding structure, wherein the pipe sleeve and the folding structure are arranged on the third branch pipe, the third branch pipe is connected with the second branch pipe, and the pipe sleeve is arranged on the first branch pipe;
a fourth bracket connected to the second branch pipe;
when the folding vehicle is folded, the locking piece is unlocked, the first support and the fourth support are folded towards the direction close to the first pipe body under the drive of the second branch pipe, and the pipe sleeve is propped against the receiving structure, so that the folding vehicle is folded.
According to one embodiment of the invention, the first bracket comprises a handle and a fourth branch pipe, and the handle is connected with the fourth branch pipe.
According to an embodiment of the invention, the first bracket further comprises an unlocking structure, through which the handle is connected to the fourth branch.
According to an embodiment of the invention, the unlocking structure comprises a first fixed joint, a first rotating joint, a first driving block, a clamping block and a second driving block, wherein the first fixed joint is connected with the fourth branch pipe, and the first fixed joint is arranged at one side of the first rotating joint; the first rotating joint is connected with the handle; the first driving block is sleeved on the first rotating joint; the clamping block is sleeved on the first rotating joint and is abutted against the first driving block; the second driving block is sleeved on the first rotating joint and is abutted against the clamping block.
According to one embodiment of the invention, the locking piece comprises a locking piece, an unlocking piece and a first elastic piece, wherein the locking piece is connected with the unlocking piece, and the first elastic piece is arranged on the locking piece.
According to one embodiment of the invention, the locking piece is provided with convex walls at two sides, and the convex walls are abutted against the unlocking piece.
According to one embodiment of the invention, the unlocking piece is provided with a concave wall and a through hole, the convex wall is abutted against the concave wall, and the locking piece is arranged in the through hole.
According to an embodiment of the present invention, the folding structure includes a moving block, a rotating block, a fifth elastic member and a clamping strip, wherein the moving block is disposed in the rotating block, the moving block, the rotating block and the fifth elastic member are all sleeved on the third branch pipe, and the clamping strip penetrates through the third branch pipe and is disposed in the moving block.
According to one embodiment of the invention, the handle comprises a second pipe body and an unlocking structure, wherein the second pipe body is connected with the first rotary joint, and the unlocking structure is arranged on the second pipe body.
According to an embodiment of the invention, the first branch pipe further comprises a movable joint, and the first pipe body is connected with the fourth branch pipe through the movable joint.
The folding trolley has the beneficial effects that the unlocking is carried out through the locking block, the second branch pipe moves along with the first sliding block, the first bracket, the third branch pipe and the fourth bracket are driven to fold towards the direction close to the first pipe body, the pipe sleeve supports the receiving structure, the folding trolley is finally folded, the whole folding trolley is simple in structure, the whole folded trolley is small in size, the space is saved, and the folding trolley is convenient to carry.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a perspective view of a folding cart in an embodiment;
FIG. 2 is a perspective view of an unlocking structure in an embodiment;
FIG. 3 is a perspective view of an unlocking structure in an embodiment;
FIG. 4 is a perspective view of a first fixed joint according to an embodiment;
FIG. 5 is a perspective view of a first rotary joint according to an embodiment;
FIG. 6 is another perspective view of a first rotary joint according to an embodiment;
fig. 7 is a perspective view of a first pipe body in the embodiment;
FIG. 8 is a perspective view of a lock block according to an embodiment;
FIG. 9 is a perspective view of an unlocking member according to the embodiment;
FIG. 10 is a perspective view of a connector in an embodiment;
fig. 11 is a perspective view of a third branch pipe according to the embodiment;
fig. 12 is a perspective view of a folding structure in the embodiment.
Reference numerals illustrate:
1-a first bracket; 11-a handle; 111-a second tube; 112-unlocking structure; 1121-a lock housing; 11211-a first sliding channel; 1122-locking lever; 1123-buttons; 11231-a second sliding channel; 1124-safety lock; 11241-a second slider; 11242-top block; 11243-a second elastic member; 12-a fourth branch pipe; 13-an unlocking structure; 131-first fixed joint; 1311-a first card slot; 1312-a fixed block; 132—first rotary joint; 1321-a second card slot; 1322-first bump; 1323-connecting shaft; 13231-first carrier block; 13232-a second bolster; 1324-rotating grooves; 133-a first driving block; 1331-a limit groove; 1332-inclined walls; 134-clamping blocks; 1341-placement slots; 1342-fourth elastic members; 135-a second driving block; 1351—a rotating trough; 14-sunshade rack; 141-turning the bump; 2-a second bracket; 21-a first branch; 211-a first tube body; 2111-sliding grooves; 212-a first slider; 2121-third clamping groove; 2122-balls; 213-locking piece; 2131-locking piece; 21311-raised walls; 2132-unlocking; 21321-concave walls; 21322-through holes; 21323-fourth card slot; 21324-a third elastic element; 2133-a first resilient member; 214-a movable joint; 2141-a second fixed joint; 2142-a second revolute joint; 22-a second branch; 23-connecting piece; 231-telescoping member; 232-hooking blocks; 233-pull rope; 3-a third bracket; 31-a third branch pipe; 311-a third tube; 312-connecting pipes; 313-fourth tube; 314—a third slider; 32-pipe sleeve; 33-a collapsed configuration; 331-moving block; 3311-guide slot; 3312-second bump; 332-rotating the block; 3321—a first groove; 333-fifth elastic members; 334-clip strip; 4-fourth brackets; 5-elastic cords; 6-armrest cotton.
Detailed Description
Various embodiments of the invention are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1 and 8, fig. 1 is a perspective view of a folding cart according to an embodiment; fig. 8 is a perspective view of the lock block in the embodiment. As shown in the figure, the folding cart of the present invention comprises a first bracket 1, a second bracket 2, a third bracket 3 and a fourth bracket 4, wherein the second bracket 2 comprises a first branch pipe 21 and a second branch pipe 22, the first branch pipe 21 comprises a first pipe body 211, a first sliding block 212 and a locking block 213, the first bracket 1 is connected with the first pipe body 211, and the first sliding block 212 is slidingly connected with the first pipe body 211; one end of the second branch pipe 22 is connected with the first bracket 1, the other end of the second branch pipe 22 is connected with the first sliding block 212, and the locking block 213 is positioned in the first pipe body 211; the third support 3 includes a third branch pipe 31, a pipe sleeve 32 and a folding structure 33, the third branch pipe 31 is connected with the second branch pipe 22, the pipe sleeve 32 is arranged on the first branch pipe 21, the pipe sleeve 32 is sleeved on the third branch pipe 31, the folding structure 33 is arranged at one end, far away from the pipe sleeve 32, of the third branch pipe 31, and the fourth support 4 is connected with the second branch pipe 22.
When the folding cart needs to be folded, the locking block 213 is unlocked, so that the first slider 212 slides on the first tube body 211, meanwhile, the second branch tube 22 slides along with the first slider 212, and drives the first bracket 1, the third branch tube 31 and the fourth bracket 4 to fold towards a direction close to the first tube body 211, and finally, the pipe sleeve 32 abuts against the receiving structure 33, so that the receiving structure 33 drives the front wheel to fold.
Referring again to fig. 2-6, fig. 2 is a perspective view of the unlocking structure 112 according to the embodiment; fig. 3 is a perspective view of an unlocking structure 13 in the embodiment; fig. 4 is a perspective view showing a first fixed joint 131 according to an embodiment; FIG. 5 is a perspective view of the first rotary joint 132 according to the embodiment; fig. 6 is another perspective view of the first rotary joint 132 according to the embodiment. As shown in the figure, the first bracket 1 comprises a handle 11 and a fourth branch pipe 12, the handle 11 is connected with the fourth branch pipe 12, the handle 11 comprises a second pipe body 111 and an unlocking structure 112, and the unlocking structure 112 is arranged on the second pipe body 111; in specific application, the second pipe body 111 is U-shaped, the opening of the second pipe body 111 is rotatably connected with the first branch pipe 21, and the unlocking structure 112 is arranged at one end of the second pipe body 111 far away from the fourth branch pipe 12; the unlocking structure 112 comprises a lock shell 1121, a lock rod 1122 and a button 1123, wherein the lock shell 1121 is sleeved on the second pipe body 111, and the lock rod 1122 is connected in the lock shell 1121 in a sliding manner; button 1123 is penetrated by lock lever 1122, and button 1123 protrudes from lock housing 1121; in a specific application, two first sliding grooves 11211 are formed in the lock shell 1121, two corresponding lock bars 1122 are also arranged, the button 1123 is provided with two second sliding grooves 11231, one end of one lock bar 1122 is arranged in the first sliding groove 11211, the other end of the lock bar 1122 is arranged in the second sliding groove 11231, and the slotting direction of the first sliding groove 11211 is angled with the slotting direction of the second sliding groove 11231; when the button 1123 is pressed, the button 1123 moves toward the inside of the lock housing 1121, and at the same time, the second slide groove 11231 pushes the lock lever 1122 to move along the first slide groove 11211, and the two lock levers 1122 move toward each other.
Preferably, the unlocking structure 112 further comprises a safety lock 1124, the safety lock 1124 comprises a second sliding block 11241, a top block 11242 and a second elastic piece 11243, the second sliding block 11241 is slidably arranged on the outer surface of the lock shell 1121, the top block 11242 is connected with the second sliding block 11241, the top block 11242 is positioned inside the lock shell 1121, the top block 11242 is abutted against the button 1123, one end of the second elastic piece 11243 is abutted against the top block 11242, and the other end of the second elastic piece 11243 is abutted against the lock shell 1121; when the folding cart needs to be folded, the second sliding block 11241 is shifted, the button 1123 is pressed, the second sliding block 11241 drives the top block 11242 to squeeze the second elastic piece 11243, meanwhile, the top block 11242 is not abutted with the button 1123 any more, the button 1123 is not limited, the button 1123 moves towards the direction close to the inside of the lock shell 1121, meanwhile, the second sliding groove 11231 pushes the lock rod 1122 to move along the first sliding groove 11211, the two lock rods 1122 move towards each other, and the unlocking structure 112 is unlocked. Specifically, the second elastic member 11243 is a spring.
Preferably, the second pipe body 111 is provided with the handrail cotton 6, and the handrail cotton 6 sets up in the both sides of lock shell 1121, and specifically, the handrail cotton 6 adopts soft material, and the friction of hand and second pipe body 111 prevents that the handcart in-process from taking off the hand from causing the accident on the one hand when increasing the shallow, and on the other hand increases the comfort of hand when pushing the shallow, in addition, can also increase folding car's whole outward appearance aesthetic feeling.
The first bracket 1 further comprises an unlocking structure 13, one end of the unlocking structure 13 is connected with the handle 11, and the other end of the unlocking structure 13 is connected with the fourth branch pipe 12. The unlocking structure 13 comprises a first fixed joint 131, a first rotating joint 132, a first driving block 133, a clamping block 134 and a second driving block 135, wherein the first fixed joint 131 is connected with the fourth branch pipe 12, the first fixed joint 131 is provided with a first clamping groove 1311 and a fixed block 1312, the first clamping groove 1311 is arranged along the inner wall surface of the first fixed joint 131, and the fixed block 1312 is positioned on the inner bottom wall of the first fixed joint 131; the first rotating joint 132 is connected to the first fixed joint 131, the first rotating joint 132 is provided with a second clamping groove 1321, a first protruding block 1322 and a connecting shaft 1323, the second clamping groove 1321 is arranged along the inner wall surface of the first rotating joint 132, the first clamping groove 1311 is opposite to the second clamping groove 1321, the first protruding block 1322 is positioned on the inner bottom wall of the first rotating joint 132, the number of the first protruding blocks 1322 is a plurality in specific application, in this embodiment, the number of the first protruding blocks 1322 is three for example, and the number of the first protruding blocks 1322 can be increased or decreased according to actual use requirement; the connecting shaft 1323 penetrates through the first rotating joint 132, specifically, the connecting shaft 1323 is located at the center of the inner bottom wall of the first rotating joint 132, and three first protruding blocks 1322 are arranged around the connecting shaft 1323; preferably, the outer wall surface of the connecting shaft 1323 is provided with a first bearing block 13231 and a second bearing block 13232, the first bearing block 13231 and the second bearing block 13232 are oppositely arranged, and the length of the second bearing block 13232 is greater than that of the first bearing block 13231.
The first driving block 133 is sleeved on the connecting shaft 1323, the first driving block 133 is abutted against the first protruding block 1322, and the first driving block 133 is provided with two limiting grooves 1331 and inclined walls 1332, and when the driving block is applied specifically, the number of the limiting grooves 1331 is two, the two limiting grooves 1331 are oppositely arranged, and the two limiting grooves 1331 are sleeved on the first bearing block 13231 and the second bearing block 13232 respectively; the inclined walls 1332 abut the first protrusions 1322 and are matched with the first protrusions 1322, and the number of the inclined walls 1332 corresponds to the number of the first protrusions 1322.
The clamping block 134 is sleeved on the connecting shaft 1323, the clamping block 134 is arranged between the first fixed joint 131 and the first rotating joint 132, the clamping block 134 is matched with the first clamping groove 1311 and the second clamping groove 1321, preferably, the clamping block 134 is provided with a placing groove 1341, and the placing groove 1341 is positioned in the middle of the clamping block 134; preferably, the clamping block 134 is further provided with a fourth elastic member 1342, two ends of the fourth elastic member 1342 respectively abut against the clamping block 134 and the first fixed joint 131, and specifically, the fourth elastic member 1342 is a spring. When the folding cart is normally used, the clamping blocks 134 are simultaneously clamped in the first clamping groove 1311 and the second clamping groove 1321, so that the first rotating joint 132 cannot rotate; the clamping block 134 abuts against the first bearing block 13231 and the second bearing block 13232 for positioning.
The second driving block 135 is sleeved on the connecting shaft 1323, and the second driving block 135 is placed in the placing groove 1341; the second driving block 135 is provided with a rotation groove 1351, and the second bearing block 13232 is disposed in the rotation groove 1351.
Preferably, the lock lever 1122 is connected to the first driving block 133 through an elastic rope 5, one end of the elastic rope 5 is connected to the lock lever 1122, and the other end is connected to the first driving block 133.
Preferably, the first rotating joint 132 is further provided with a rotating groove 1324, the rotating groove 1324 is disposed on a side of the first rotating joint 132 away from the first protruding block 1322, and the rotating groove 1324 is disposed along an edge of the first rotating joint 132.
Preferably, the first bracket 1 further comprises a sunshade frame 14, the sunshade frame 14 is provided with a rotation lug 141, the rotation lug 141 is matched with the rotation groove 1324, and after the rotation lug 141 is assembled with the rotation groove 1324, the rotation lug 141 can rotate relative to the rotation groove 1324, and when the folding bicycle is in normal use, the sunshade frame 14 can be rotated to shield sunlight in hot days.
When the folding cart needs to be folded, the safety lock 1124 is shifted, the button 1123 is pushed, the lock lever 1122 pulls the elastic rope 5, the elastic rope 5 pulls the first driving block 133 to rotate along the first bump 1322, meanwhile, the first driving block 133 moves away from the first bump 1322 along the direction of the connecting shaft 1323, after a certain distance of movement, the first supporting block 13231 and the second supporting block 13232 abut against the limiting groove 1331, so that the first driving block 133 stops moving, during the movement of the first driving block 133, the clamping block 134 and the second driving block 135 are pushed to move towards the direction close to the first clamping groove 1311, the fourth elastic piece 1342 is in a compressed state until the clamping block 134 is completely separated from the second clamping groove 1311, the first rotating joint 132 drives the second pipe body 111 to rotate together, folding of the first bracket 1 is achieved, and finally, after a certain angle of rotation of the first rotating joint 132, the second supporting block 13232 abuts against the rotating groove 1, and drives the rotating groove 1351 to rotate together.
Referring to fig. 7-10, fig. 7 is a perspective view of the first tube 211 according to the embodiment; FIG. 8 is a perspective view of lock block 213 in an embodiment; fig. 9 is a perspective view of an unlocking piece 2132 in the embodiment; fig. 10 is a perspective view of the connector 23 according to the embodiment. One end of the first tube body 211 is rotatably connected with the fourth branch pipe 12, and the other end of the first tube body 211 is connected with the rear wheel, preferably, as shown in fig. 1, the first tube body 211 is connected with the fourth branch pipe 12 through a movable joint 214, the movable joint 214 comprises a second fixed joint 2141 and a second rotary joint 2142, the second rotary joint 2142 rotates relative to the second fixed joint 2141, the second fixed joint 2141 is connected with the first tube body 211, and the second rotary joint 2142 is connected with the fourth branch pipe 12; the first pipe body 211 is provided with a chute 2111, and the chute 2111 is arranged along the length direction of the first pipe body 211; the first slider 212 is disposed in the sliding groove 2111, the first slider 212 is provided with a third clamping groove 2121, and when the folding bicycle is in normal use, the locking piece 213 is clamped in the third clamping groove 2121, preferably, the first slider 212 is further provided with a ball 2122, the ball 2122 abuts against the inner wall of the sliding groove 2111, and by rolling, the friction force when the first slider 212 contacts with the sliding groove 2111 can be reduced, and damage to the sliding groove 2111 in the sliding process of the first slider 212 can be reduced.
The locking piece 213 comprises an upper locking piece 2131, an unlocking piece 2132 and a first elastic piece 2133, wherein the two side walls of the upper locking piece 2131 are provided with convex walls 21311; the unlocking piece 2132 is provided with a concave wall 21321 and a through hole 21322, the concave wall 21321 is matched with the convex wall 21311, the through hole 21322 is arranged along the length direction of the unlocking piece 2132, one end of the first elastic piece 2133 is abutted against one end of the upper locking piece 2131, which is far away from the unlocking piece 2132, the other end of the first elastic piece 2133 is abutted against the inner wall surface of the first pipe body 211, when the folding bicycle is in normal use, the convex wall 21311 is abutted against the concave wall 21321, and the upper locking piece 2131 passes through the through hole 21322 and is clamped in the third clamping groove 2121, so that the first sliding block 212 cannot move. Preferably, the unlocking piece 2132 is further provided with a fourth clamping groove 21323, and the fourth clamping groove 21323 is provided at an end of the unlocking piece 2132. Specifically, the first elastic member 2133 is a spring.
Preferably, the second bracket 2 further includes a connecting member 23, one end of the connecting member 23 is a telescopic member 231, the other end thereof is provided with a hook block 232, the telescopic member 231 and the hook block 232 are connected through a pull rope 233, the telescopic member 231 is disposed in a second fixing joint 2141, the hook block 232 is clamped in a fourth clamping groove 21323, and the telescopic member 231 is connected with the second driving block 135 through the pull rope 233.
Preferably, one end of the unlocking piece 2132 provided with the fourth clamping groove 21323 is abutted against the third elastic piece 21324, one end of the elastic piece is abutted against the unlocking piece 2132, and the other end is abutted against the inner wall surface of the first tube body 211. Specifically, the third elastic member 21324 is a spring.
When the folding cart is folded, the second driving block 135 rotates and pulls the telescopic member 231 through the pull rope 233, the telescopic member 231 compresses and pulls the hook block 232 through the pull rope 233, the third elastic member 21324 is compressed, and then the unlocking member 2132 is driven to move, the concave wall 21321 pushes the convex wall 21311 in the moving process of the unlocking member 2132, so that the upper locking member 2131 is pushed out from the third clamping groove 2121, and the first sliding block 212 can slide to realize the folding of the second bracket 2.
Referring again to fig. 11-12, fig. 11 is a perspective view of the third branch pipe 31 according to the embodiment; fig. 12 is a perspective view of the folding structure 33 according to the embodiment. The third branch pipe 31 comprises a third pipe body 311, a connecting pipe 312, a fourth pipe body 313 and a third sliding block 314, the third pipe body 311 is connected with the second branch pipe 22, the fourth pipe body 313 is connected with the third pipe body 311 through the connecting pipe 312, the third sliding block 314 is connected with the third pipe body 311 in a sliding way, in a specific application, the outer diameter of the connecting pipe 312 is smaller than that of the third pipe 311 and the fourth pipe 313, and the folding structure 33 is arranged on the connecting pipe 312, so that the gap between the folding structure 33 and the third pipe 311 and the fourth pipe 313 after being matched is reduced, and the whole is more attractive. The sleeve 32 is sleeved on the third pipe body 311, and is provided with a third sliding block 314, and the sleeve 32 is connected with the first pipe body 211.
The folding structure 33 includes a moving block 331, a rotating block 332, a fifth elastic member 333 and a clamping strip 334, the moving block 331 is sleeved on the connecting pipe 312, the moving block 331 has guide grooves 3311, the guide grooves 3311 are arranged on the inner wall surface of the moving block 331, specifically, the number of the guide grooves 3311 is two, and in order to facilitate actual process processing, the guide grooves 3311 are through grooves; preferably, the moving block 331 is further provided with a second protrusion 3312, and the second protrusion 3312 is disposed on an outer wall surface of the moving block 331; the rotating block 332 is connected to the front wheel, the rotating block 332 has a first groove 3321, the first groove 3321 is matched with a second protrusion 3312, and the second protrusion 3312 is clamped in the first groove 3321; the fifth elastic member 333 is sleeved on the connecting pipe 312, one end of the fifth elastic member 333 abuts against the moving block 331, and the other end of the fifth elastic member 333 abuts against the fourth pipe 313; the clamping strip 334 penetrates through the connecting pipe 312, and two ends of the clamping strip 334 are respectively clamped in the two guide grooves 3311. Specifically, the fifth elastic member 333 is a spring, and the locking strip 334 is a pin.
The fourth bracket 4 is connected with the second branch pipe 22, the fourth bracket 4 is also connected with the movable joint 214, and the fourth bracket 4 is a seat of the folding cart and provides a seat for infants or sleeping places.
When the folding cart needs to be folded, the safety lock 1124 is unlocked, the button 1123 is pressed to unlock the unlocking structure 13, the second tube 111 is rotated to fold, after the second tube 111 is rotated to a certain angle, the second driving block 135 contracts the pull rope 233, and pulls the unlocking piece 2132 through the connecting piece 23, in the moving process of the unlocking piece 2132, the upper locking piece 2131 is pushed out of the third clamping groove 2121, the second tube 111 is continuously rotated until the second bearing block 13232 abuts against the second rotating groove 1324, the rotation of the second tube 111 is stopped, the second branch 22 drives the fourth branch 12, the third branch 31 and the fourth bracket 4 to fold towards the first branch 21 due to the downward gravity, the pipe sleeve 32 abuts against the rotating block 332 along the connecting pipe 312 along with the folding of the third branch 31, and compresses the fifth elastic piece 333, meanwhile, the rotating block 332 drives the moving block 331 to move together, and the clamping strip 334 is located in the guide groove 3311, in the moving process of the moving block 331 rotates continuously, and the rotating block 332 is driven by the second lug 2 to rotate together, so that the rotating block 332 is driven together, and the rotating block 331 is further folded along the direction of the first branch 21, and the folding cart is completed. When the folding bicycle needs to be unfolded, firstly, the second tube 111 is rotated to the initial position, the button 1123 and the lock rod 1122 are restored to the initial position, the second elastic member 11243 pushes the top block 11242 to be restored to the initial position and abuts against the button 1123, secondly, the first driving block 133 is restored to the initial position under the action of the elastic rope 5, the clamping block 134 is restored to the initial position under the action of the elastic force of the fourth elastic member 1342, the second driving block 135 is driven by the second bearing block 13232 to rotate to the initial position, and again, the second driving block 135 enables the telescopic member 231 to be restored to the initial position through the pull rope 233, the unlocking member 2132 is restored to the initial position under the action of the elastic force of the third elastic member 21324, meanwhile, the second branch pipe 22 drives the fourth branch pipe 12, the third branch pipe 31 and the fourth bracket 4 to be unfolded along the direction far away from the first branch pipe 21, finally, the second driving block 32 is not abutted to the rotating block 332 under the action of the elastic force of the fifth elastic member 333, and the moving block 135 drives the moving block 332 to rotate to the initial position under the action of the elastic force of the fifth elastic member 333, so that the folding bicycle can be completely unfolded.
To sum up, unlock through the locking piece, the second branch pipe moves along with first slider to drive first support, third branch pipe and fourth support and fold towards being close to first body direction, the pipe box supports and receives and close the structure, finally makes its folding, whole folding car simple structure, whole small after folding, save space still portable.
The foregoing is merely exemplary of the present invention and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present invention, should be included in the scope of the claims of the present invention.

Claims (6)

1. A folding cart, comprising:
a first bracket (1);
the second bracket (2) comprises a first branch pipe (21) and a second branch pipe (22), wherein the first branch pipe (21) comprises a first pipe body (211), a first sliding block (212) and a locking block (213), the first bracket (1) is connected with the first pipe body (211), the first sliding block (212) is connected with the first pipe body (211) in a sliding manner, and the locking block (213) is arranged in the first pipe body (211); one end of the second branch pipe (22) is connected with the first bracket (1), and the other end of the second branch pipe (22) is connected with the first sliding block (212);
the third support (3) comprises a third branch pipe (31), a pipe sleeve (32) and a folding structure (33), wherein the pipe sleeve (32) and the folding structure (33) are arranged on the third branch pipe (31), the third branch pipe (31) is connected with the second branch pipe (22), and the pipe sleeve (32) is arranged on the first branch pipe (21);
a fourth bracket (4) connected to the second branch pipe (22);
when the folding vehicle is folded, the locking block (213) is unlocked, and the first bracket (1) and the fourth bracket (4) are folded towards the direction close to the first pipe body (211) under the drive of the second branch pipe (22), and the pipe sleeve (32) is abutted against the folding structure (33) to enable the folding structure to be folded;
the first bracket (1) comprises a handle (11) and a fourth branch pipe (12), and the handle (11) is connected with the fourth branch pipe (12);
the first bracket (1) further comprises an unlocking structure (13), and the handle (11) is connected with the fourth branch pipe (12) through the unlocking structure (13);
the unlocking structure (13) comprises a first fixed joint (131), a first rotating joint (132), a first driving block (133), a clamping block (134) and a second driving block (135), wherein the first fixed joint (131) is connected with the fourth branch pipe (12), and the first fixed joint (131) is arranged at one side of the first rotating joint (132); the first rotating joint (132) is connected with the handle (11); the first driving block (133) is sleeved on the first rotating joint (132); the clamping block (134) is sleeved on the first rotating joint (132), and the clamping block (134) abuts against the first driving block (133); the second driving block (135) is sleeved on the first rotating joint (132), and the second driving block (135) is abutted against the clamping block (134);
the locking piece (213) comprises an upper locking piece (2131), an unlocking piece (2132) and a first elastic piece (2133), wherein the upper locking piece (2131) is connected with the unlocking piece (2132), and the first elastic piece (2133) is arranged on the upper locking piece (2131).
2. The folding cart according to claim 1, characterized in that the locking element (2131) is provided on both sides with a protruding wall (21311), said protruding wall (21311) abutting against the unlocking element (2132).
3. The folding cart according to claim 2, wherein the unlocking member (2132) is provided with a concave wall (21321) and a through hole (21322), the convex wall (21311) abuts against the concave wall (21321), and the locking member (2131) is provided in the through hole (21322).
4. The folding cart according to claim 1, wherein the folding structure (33) comprises a moving block (331), a rotating block (332), a fifth elastic member (333) and a clamping strip (334), the moving block (331) is disposed in the rotating block (332), the moving block (331), the rotating block (332) and the fifth elastic member (333) are all sleeved on the third branch pipe (31), and the clamping strip (334) penetrates through the third branch pipe (31) and is disposed in the moving block (331).
5. The folding cart according to claim 1, wherein the handle (11) comprises a second tube (111) and an unlocking structure (112), the second tube (111) is connected to the first rotation joint (132), and the unlocking structure (112) is provided to the second tube (111).
6. The folding cart according to claim 1, characterized in that the first branch (21) further comprises a movable joint (214), the first tubular body (211) being connected to the fourth branch (12) by means of the movable joint (214).
CN201910642193.3A 2019-07-16 2019-07-16 Folding vehicle Active CN110217282B (en)

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Publication number Priority date Publication date Assignee Title
CN114954614B (en) * 2022-06-17 2023-09-26 惠州市联杨日用制品有限公司 Toy baby car

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105235733A (en) * 2015-09-30 2016-01-13 路豹(厦门)轻工制品有限公司 Foldable infant trolley
CN205044795U (en) * 2014-12-16 2016-02-24 东莞市丘彼特婴儿用品有限公司 Handcart accordion structure and handcart
CN105923036A (en) * 2016-06-06 2016-09-07 好孩子儿童用品有限公司 Child chart
CN205801209U (en) * 2016-06-30 2016-12-14 宁波妈咪宝婴童用品制造有限公司 A kind of baby's folded bicycle
CN108016481A (en) * 2017-12-22 2018-05-11 东莞贯新幼童用品有限公司 A kind of one-hand fold perambulator
CN108820027A (en) * 2018-07-18 2018-11-16 东莞恒耀日用制品有限公司 A kind of trolley with mounting commutation function
CN109278839A (en) * 2018-10-24 2019-01-29 福建欧仕儿童用品股份有限公司 A kind of folding pushchair
CN210191565U (en) * 2019-07-16 2020-03-27 惠州市联杨日用制品有限公司 Folding bicycle

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205044795U (en) * 2014-12-16 2016-02-24 东莞市丘彼特婴儿用品有限公司 Handcart accordion structure and handcart
CN105235733A (en) * 2015-09-30 2016-01-13 路豹(厦门)轻工制品有限公司 Foldable infant trolley
WO2017054312A1 (en) * 2015-09-30 2017-04-06 路豹(厦门)轻工制品有限公司 Foldable stroller
CN105923036A (en) * 2016-06-06 2016-09-07 好孩子儿童用品有限公司 Child chart
CN205801209U (en) * 2016-06-30 2016-12-14 宁波妈咪宝婴童用品制造有限公司 A kind of baby's folded bicycle
CN108016481A (en) * 2017-12-22 2018-05-11 东莞贯新幼童用品有限公司 A kind of one-hand fold perambulator
CN108820027A (en) * 2018-07-18 2018-11-16 东莞恒耀日用制品有限公司 A kind of trolley with mounting commutation function
CN109278839A (en) * 2018-10-24 2019-01-29 福建欧仕儿童用品股份有限公司 A kind of folding pushchair
CN210191565U (en) * 2019-07-16 2020-03-27 惠州市联杨日用制品有限公司 Folding bicycle

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