CN210760937U

CN210760937U - Seat-adjustable double-seat folding trolley

Info

Publication number: CN210760937U
Application number: CN201921815208.3U
Authority: CN
Inventors: 徐加洪
Original assignee: Little Monster Children's Products Co Ltd; Youliguan Enterprise Co Ltd; Dongguan Master Kids Products Co ltd
Current assignee: Little Monster Children's Products Co Ltd; Youliguan Enterprise Co Ltd; Dongguan Master Kids Products Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-16
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a seat-adjustable double-seat folding handcart, the body of which comprises a handle component, a seat frame, a front caster component and a rear caster component, a lengthened seat frame fixing component is arranged in the body, and the seat where the lengthened seat frame is arranged forms a reverse seat frame structure by being arranged in the lengthened seat frame; the connecting joint is provided with a plug-in structure which can be quickly assembled and disassembled with the plug-in unit, and the seat of the lengthened seat frame is fixed with the tube through the plug-in unit connecting seat sleeve. The utility model discloses an add the extension seat frame mounting, use in the extension seat frame accessible extension seat frame mounting of recoil to assemble. Can conveniently adorn the fixed pipe of seat cover in the joint department of connecting, come the seat cover that the direction faces backward through the fixed pipe of this seat cover, cooperate the front seat cover on the original frame again, can realize that the seat is whole forward, backward, tandem, one back various modes such as preceding, furthest satisfies user's demand to no matter which kind of assembled mode does not all influence to close the back platform and stand convenient and practical.

Description

Seat-adjustable double-seat folding trolley

Technical Field

The utility model relates to a bassinet product technical field, concretely relates to folding double seat child handcart.

Background

Along with the improvement of living standard, the handcart becomes the necessary instrument of baby, puts infant on the car and is pushed by adult and walk not only can make things convenient for big people's nursing action greatly, can also make baby self more comfortable, also more safe simultaneously. Most of the traditional baby strollers are single strollers and children strollers with a few seats for two persons, but the structure is usually complex, most of the strollers cannot be folded, and the strollers are inconvenient to store and transport. There are a few foldable double-seat baby carriages, but the structure is more complicated, the folding and unfolding operations are complicated, most of the folding and unfolding operations need to be realized by manually and independently pulling (or pushing) each part such as a handle assembly, a front foot tube, a rear foot tube, a seat frame tube and the like, the manual operation mode is time-consuming and labor-consuming, the operation is troublesome, the folding and unfolding operations are difficult to be realized by one hand, and therefore people invent the double-seat baby carriage which can be conveniently folded. However, the seat of present double seat handcart generally only faces one direction, either forward, or backward, can't change according to user's demand, also can't receive the car on the loading frame, inconvenient depositing.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a structural design is more reasonable, expand and the operation of taking up the car all very convenient, two seats can conveniently carry out the double seat folding handcart that the direction was changed, this double seat folding handcart has mainly used the prior application of the applicant in "can singlehanded receive the technical scheme who closes folding double seat bassinet" (CN 208915229U), can regard as the improvement to this patent, can specifically refer to this patent.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a two people seat folding handcart of seat adjustable, the automobile body of this handcart is including hand (hold) subassembly, seat frame, front caster subassembly and rear caster subassembly, connects into rotatable beta structure through connecting the joint between the preceding foot pipe of hand (hold) subassembly and front caster subassembly and the rear caster pipe of rear caster subassembly, is provided with two seats between front caster subassembly and rear caster subassembly, respectively is provided with seat frame, its characterized in that in two seats: the car body is also provided with a lengthened seat frame fixing piece which can be assembled with a lengthened seat frame, the lengthened seat frame is longer than the seat frame after the lengthened seat frame is assembled with the lengthened seat frame fixing piece, a reverse seat frame structure is formed by a seat in which the lengthened seat frame is arranged, and the assembled lengthened seat frame forms a structure which can rotate and fold synchronously with the seat frame; the seat of the lengthened seat frame is installed with the seat cover through the seat cover fixing pipe to form a reverse seat, and the seat cover fixing pipe connected with the connecting joint through the plug connector forms a structure capable of rotating and folding along the connecting joint.

Further, both seats formed by the two original seat frames are forward facing seats, while the extension seat frame is installed rearward, and a rearward facing seat is formed after the extension seat frame, the seat cover fixing tube and the seat cover are installed.

Furthermore, the lengthened seat frame fixing piece is a double-hole sleeve, two sides of the middle section of each seat frame are respectively fixed with the double-hole sleeve, and the sleeve holes for fixing the lengthened seat frame are positioned on the inner side of the seat frame and face backwards, so that the lengthened seat frame is supported by the seat frame.

Furthermore, each lengthened seat frame comprises two supporting tubes (for bearing) and a lengthened tube (for conveniently putting feet), the supporting tubes have the length equivalent to that of the seat frame, and the lengthened tube is connected with the rear ends of the two supporting tubes through joints of the two seat frames to form a rotatable folding structure, so that the lengthened seat frame can be folded basically along with the seat frame; the front ends of the two supporting tubes are respectively inserted and fixed with the sleeve holes of the two-hole sleeves at the inner sides.

Furthermore, marble structures are respectively arranged inside the front ends of the two supporting tubes, the marbles respectively protrude one part out of the bottoms of the supporting tubes through round holes, clamping holes are formed in the bottoms of the sleeve holes in the inner sides of the double-hole sleeves, and the supporting tubes clamp the clamping holes through the protruding parts of the marbles to form an assembly structure with the double-hole sleeves; the button is arranged below the clamping hole, the marble is pressed into the supporting tube through the button to form an unlocking structure of the lengthened seat frame, and the lengthened seat frame can be pulled out and detached at the moment.

Furthermore, two slots and fixing holes are formed in the inner side surface of the connecting joint, clamping parts are respectively arranged on the upper edges of the two slots, and the plug connector is clamped by the clamping parts after being inserted into the connecting joint along the slots so that the plug connector cannot be separated from the front sides of the slots; the plug connector is provided with a lock hole which is opposite to a fixing hole of the connecting joint, a lock pin which can pop out towards the plug connector is arranged in the fixing hole, a clamping block is arranged on the side surface of the lock pin, a lock groove which is matched with the clamping block is arranged on the side wall of the lock hole, the lock pin protrudes out of the lock hole in a natural state, the clamping block is clamped in the lock groove of the lock hole to form a locking structure of the plug connector, and the plug connector cannot be pulled out at the moment; when the lock pin is pressed down, the lock block is separated from the lock groove to unlock the plug connector and the connecting joint, and at the moment, the plug connector can be pulled out from the slot along the opposite direction of insertion.

Further, when the seat frame is formed as a forward seat, a handle pipe rotatable along the joint is connected by a plug, and the handle pipe is positioned forward and upward of the seat frame.

Preferably, a rotatable cloth surrounding pipe is arranged on the seat sleeve fixing pipe, and a sunshade and the like can be arranged through the cloth surrounding pipe.

The folding process of the stroller refers to the patent of "a foldable double seat stroller capable of being folded by one hand", when the stroller is used as a backward seat, the seat sleeve fixing tube can be folded (or unfolded) along with the stroller body due to the linkage of the connecting joint, and finally the extension tube is folded (or unfolded).

The utility model discloses on the basis of patent "can singlehanded receipts receive folding double seat bassinet", through addding extra long seat frame mounting, use in the extra long seat frame accessible extra long seat frame mounting of recoil to assemble to also can dismantle very conveniently. Simultaneously, can conveniently adorn the fixed pipe of seat cover in joint department, come the seat cover that the direction was backward assembled through the fixed pipe of this seat cover, the front seat cover on the original frame of deuterogamying, the utility model discloses can realize that the seat is whole forward, backward, behind one, various mode before one, furthest satisfies user's demand to no matter which kind of assembled mode does not all influence to receive to close the back ride and stand convenient and practical.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of another aspect of the present invention;

fig. 3 is a schematic view of the folding process of the present invention;

fig. 4 is a schematic view after the utility model is folded;

FIG. 5 is an assembly structure view of the seat cover fixing tube and the armrest tube of the present invention;

FIG. 6 is a structural diagram of the present invention with the connector removed from the joint;

FIG. 7 is a block diagram of a portion for mounting an extension mount.

In the figure, 1 is a handle assembly, 2 is a seat frame, 3 is an extension seat frame, 31 is a support tube, 32 is an extension tube, 33 is a seat frame joint, 4 is a double-hole sleeve, 41 is a button, 5 is a connecting joint, 51 is a slot, 52 is a clamping part, 53 is a fixing hole, 6 is a front wheel foot assembly, 7 is a rear wheel foot assembly, 8 is a seat frame fixing tube, 9 is a handrail tube, 10 is a plug connector, 101 is a lock hole, and 102 is a lock pin.

Detailed Description

In this embodiment, referring to fig. 1 to 7, the seat-adjustable two-seat folding cart includes a cart body including a handle assembly 1, a seat frame 2, a front caster assembly 6 and a rear caster assembly 7, the handle assembly 1 and a front leg tube of the front caster assembly 6 and a rear leg tube of the rear caster assembly 7 are connected to form a rotatable folding structure through a connecting joint 5, two seats are disposed between the front caster assembly 6 and the rear caster assembly 7, and the seat frame 2 is disposed in each of the two seats; a lengthened seat frame fixing piece capable of being assembled with the lengthened seat frame 3 is further arranged in the vehicle body, the lengthened seat frame 3 is longer than the seat frame 2 after being assembled with the lengthened seat frame fixing piece, a reversed seat frame structure is formed by installing the lengthened seat frame 3 in a seat, and the installed lengthened seat frame 3 is formed into a structure capable of rotating and folding synchronously with the seat frame 2; the joint 5 is provided with a plug structure capable of being quickly detached from and installed on the plug 10, a seat installed in the extension seat frame 3 is connected to the seat cover fixing tube 8 through the plug 10, a seat cover (not shown) is installed through the seat cover fixing tube 8 to form a reverse seat, and the seat cover fixing tube 8 connected to the joint 5 through the plug 10 is configured to be rotatable and foldable along the joint 5.

The two seats formed by the two original seat frames 2 are both forward facing seats, while the extension seat frame 3 is installed rearward, and a rearward facing seat is formed after the extension seat frame 3, the seat cover fixing tube 8 and the seat cover are installed.

The fixing part of the lengthened seat frame is a double-hole sleeve 4, two sides of the middle section of each seat frame 2 are respectively fixed with the double-hole sleeve 4, the sleeve holes for fixing the lengthened seat frame 3 are positioned at the inner side of the seat frame 2 and face backwards, and the lengthened seat frame 3 is supported by the seat frame 2.

Each of the elongated seat frames 3 comprises two supporting tubes 31 (for bearing) and an elongated tube 32 (for facilitating the putting of feet), the supporting tubes 31 have a length equivalent to that of the seat frame 2, and the elongated tube 32 is connected with the rear ends of the two supporting tubes 31 through two seat frame joints 33 to form a rotatable folding structure, so that the elongated seat frame 3 can be folded basically along with the seat frame 2; the front ends of the two supporting tubes 31 are respectively inserted and fixed with the sleeve holes of the double-hole sleeves 4 at the two sides.

The inside of the front ends of the two supporting tubes 31 are respectively provided with a marble structure (not shown), the marbles respectively protrude a part out of the bottom of the supporting tube 31 through round holes, the bottom of the sleeve hole at the inner side of the double-hole sleeve 4 is provided with a clamping hole, the supporting tube 31 clamps the clamping hole through the protruding part of the marble to form an assembly structure with the double-hole sleeve 4, the assembly structure can directly utilize the prior art, and the assembly structure is very simple and convenient to operate; a button 41 is arranged below the clamping hole, and the marble is pressed into the support tube 31 by pressing the button 41 to form an unlocking structure of the lengthened seat frame 3, so that the lengthened seat frame 3 can be pulled out and detached.

Two slots 51 and fixing holes 53 are arranged on the inner side surface of the connecting joint 5, the upper edges of the two slots 51 are respectively provided with a clamping part 52, and the plug-in unit 10 is clamped by the clamping parts 52 after being inserted into the connecting joint 5 along the slots 51, so that the plug-in unit 10 cannot be separated from the front surface of the slots 51; the plug connector 10 is provided with a lock hole 101, the lock hole 101 is opposite to the fixing hole 53 of the connecting joint 5, a lock pin 102 capable of popping out towards the plug connector is arranged in the fixing hole 53, a clamping block is arranged on the side surface of the lock pin 102, a lock groove matched with the clamping block is arranged on the side wall of the lock hole 101, the lock pin 102 protrudes out of the lock hole 101 in a natural state, the clamping block is clamped in the lock groove of the lock hole 101 to form a locking structure for the plug connector 10, and at the moment, the plug connector 10 cannot be pulled out; when the latch 102 is pressed, the locking piece is separated from the locking groove to unlock the plug 10 from the joint 5, and the plug 10 can be pulled out from the slot 51 in the opposite direction of insertion.

When the seat frame 2 forms a forward seat, a handle pipe 9 rotatable along the joint 5 is connected by a plug 10, and the handle pipe 9 is positioned forward and upward of the seat frame 2.

The seat cover fixing pipe 8 is provided with a rotatable cloth surrounding pipe, and a sunshade and the like can be arranged through the cloth surrounding pipe.

When the seat is a rearward seat, the seat cover fixing tube 8 is folded (or unfolded) with the vehicle body by the linkage of the joint 5, and finally the extension tube 32 is folded (or unfolded).

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a two people seat folding handcart of seat adjustable, the automobile body of this handcart is including hand (hold) subassembly, seat frame, front caster subassembly and rear caster subassembly, connects into rotatable beta structure through connecting the joint between the preceding foot pipe of hand (hold) subassembly and front caster subassembly and the rear caster pipe of rear caster subassembly, is provided with two seats between front caster subassembly and rear caster subassembly, respectively is provided with seat frame, its characterized in that in two seats: the car body is also provided with a lengthened seat frame fixing piece which can be assembled with a lengthened seat frame, the lengthened seat frame is longer than the seat frame after the lengthened seat frame is assembled with the lengthened seat frame fixing piece, a reverse seat frame structure is formed by a seat in which the lengthened seat frame is arranged, and the assembled lengthened seat frame forms a structure which can rotate and fold synchronously with the seat frame; the seat of the lengthened seat frame is installed with the seat cover through the seat cover fixing pipe to form a reverse seat, and the seat cover fixing pipe connected with the connecting joint through the plug connector forms a structure capable of rotating and folding along the connecting joint.

2. The adjustable seat twin seat folding cart of claim 1, wherein: the two seats formed by the two seat frames are forward seats, the lengthened seat frame is installed backwards, and the seat frame, the seat sleeve fixing pipe and the seat sleeve are installed to form a backward seat.

3. The double seat folding cart of claim 2, wherein: the lengthened seat frame fixing piece is a double-hole sleeve, two sides of the middle section of each seat frame are respectively fixed with the double-hole sleeve, and the sleeve holes for fixing the lengthened seat frame are positioned on the inner side of the seat frame and face backwards.

4. The adjustable seat two-seater folding stroller of claim 3, wherein: each lengthened seat frame comprises two supporting tubes and a lengthened tube, the supporting tubes have the length equivalent to that of the seat frame, the lengthened tubes are connected with the rear ends of the two supporting tubes through joints of the two seat frames to form a rotatable folding structure, and the front ends of the two supporting tubes are respectively inserted and fixed with the sleeve holes of the two-hole sleeves at the two sides, which are positioned at the inner sides.

5. The adjustable seat two-seater folding stroller of claim 4, wherein: the insides of the front ends of the two supporting tubes are respectively provided with a marble structure, the marbles of the marbles respectively protrude a part out of the bottoms of the supporting tubes through round holes, the bottoms of the sleeve holes at the inner sides of the double-hole sleeves are provided with clamping holes, and the supporting tubes clamp the clamping holes through the protruding parts of the marbles to form an assembly structure with the double-hole sleeves; and a button is arranged below the clamping hole, and the marble is pressed into the supporting tube by pressing the button to form an unlocking structure of the lengthened seat frame.

6. The adjustable seat twin seat folding cart of claim 1, wherein: the inner side surface of the connecting joint is provided with two slots and a fixing hole, the upper edges of the two slots are respectively provided with a clamping part, and the plug connector is clamped by the clamping parts after being inserted into the connecting joint along the slots so that the plug connector cannot be separated from the front side of the slots; the plug connector is provided with a lock hole which is opposite to a fixing hole of the connecting joint, a lock pin which can pop out towards the plug connector is arranged in the fixing hole, a clamping block is arranged on the side surface of the lock pin, a lock groove which is matched with the clamping block is arranged on the side wall of the lock hole, the lock pin protrudes out of the lock hole in a natural state, and the clamping block is clamped in the lock groove of the lock hole to form a locking structure of the plug connector; when the lock pin is pressed down, the lock block is separated from the lock groove to unlock the plug connector and the connecting joint.

7. The adjustable seat twin seat folding cart of claim 1, wherein: when the seat frame forms a forward seat, a handrail tube which can rotate along a connecting joint is connected through a plug connector, and the handrail tube is positioned at the front upper part of the seat frame.

8. The double seat folding cart of claim 2, wherein: the seat cover fixing tube is provided with a rotatable cloth surrounding tube.