CN216185403U - Handcart folding device and folding handcart - Google Patents
Handcart folding device and folding handcart Download PDFInfo
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- CN216185403U CN216185403U CN202122766788.5U CN202122766788U CN216185403U CN 216185403 U CN216185403 U CN 216185403U CN 202122766788 U CN202122766788 U CN 202122766788U CN 216185403 U CN216185403 U CN 216185403U
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- connecting mechanism
- folding
- fixing
- upper connecting
- trolley
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Abstract
The utility model provides a trolley folding device and a folding trolley, and relates to the technical field of children trolleys. Relates to a trolley folding device comprising: an upper connecting mechanism; a front connection mechanism; the upper connecting mechanism, the front connecting mechanism and the rear connecting mechanism are coaxially hinged together; the fixing mechanism is arranged between the upper connecting mechanism and the front connecting mechanism and is used for fixing the upper connecting mechanism and the front connecting mechanism; the rear connecting mechanism is abutted between the front connecting mechanism and the rear connecting mechanism and is used for rotationally fixing the front connecting mechanism and the rear connecting mechanism; the telescopic pushing handle is arranged on the upper connecting mechanism and used for unlocking and fixing the telescopic pushing handle and the upper connecting mechanism through the telescopic linkage fixing mechanism. Still relate to a folding handcart, include above-mentioned handcart folding device. This handcart folding device and folding handcart have solved current handcart folding device when folding, need carry out the folding inconvenient technical problem of multistep unblock operation alone.
Description
Technical Field
The utility model relates to the technical field of children wheelbarrows, in particular to a wheelbarrow folding device and a folding wheelbarrow.
Background
The baby trolley is a favorite vehicle for babies, and is a necessary product for parents to take babies out.
When the existing trolley is folded, a plurality of parts of the folding device need to be unlocked separately, and then the folding can be finished.
The present inventors have found at least the following problems in implementing the present embodiment:
when the existing trolley folding device is folded, multistep unlocking operation is required to be carried out independently, and the folding is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a trolley folding device and a folding trolley, and solves the technical problem that the existing trolley folding device is inconvenient to fold due to the fact that multi-step unlocking operation needs to be carried out independently when the existing trolley folding device is folded.
The utility model discloses the scheme:
in a first aspect, the present invention provides a trolley folding apparatus comprising: an upper connecting mechanism; a front connection mechanism; the upper connecting mechanism, the front connecting mechanism and the rear connecting mechanism are coaxially hinged together; the fixing mechanism is arranged between the upper connecting mechanism and the front connecting mechanism and used for fixing the upper connecting mechanism and the front connecting mechanism; the rear connecting mechanism is abutted between the front connecting mechanism and the rear connecting mechanism and is used for rotationally fixing the front connecting mechanism and the rear connecting mechanism; the telescopic pushing handle is mounted on the upper connecting mechanism and used for being in telescopic linkage with the fixing mechanism to unlock and fix the upper connecting mechanism and the lower connecting mechanism.
Further, the upper connecting mechanism has: a fixing hole; the fixing mechanism adopts a sliding block, the sliding block is connected with the front connecting mechanism in a sliding mode, the sliding block corresponds to the telescopic pushing handle, the sliding block protrudes out of the front connecting mechanism automatically through a spring and is clamped in the fixing hole, and an inner rod of the telescopic pushing handle can be linked with the sliding block to enable the sliding block to slide away from the fixing hole after being contracted.
Further, the lower portion of the upper connecting mechanism has: a limiting part; the upper part of the front connecting mechanism is provided with: a limiting groove; the limiting part is arranged in the limiting groove and used for reinforcing the rotation fixation of the limiting part and the limiting groove.
Further, the upper connecting mechanism has: an upper abutting portion; the front connecting mechanism has: a front abutment portion; the rear connection mechanism has: a rear abutment portion abutting between the upper abutment portion and the front abutment portion.
Has the advantages that:
the utility model provides a trolley folding device, wherein an upper connecting mechanism and a front connecting mechanism are fixed together through a fixing mechanism arranged between the upper connecting mechanism and the front connecting mechanism, and meanwhile, a rear connecting mechanism is abutted and limited between the upper connecting mechanism and the front connecting mechanism, so that the rotation fixing of the upper connecting mechanism and the rear connecting mechanism can be realized, namely the rotation fixing of the upper connecting mechanism, the rear connecting mechanism and the rear connecting mechanism is realized; when the folding type electric bicycle is folded, the inner rod of the telescopic pushing handle can be used for impacting the fixing mechanism to unlock the inner rod and the fixing mechanism, so that the inner rod and the fixing mechanism can be respectively rotated and folded relative to the rear connecting mechanism.
Therefore, the folding device of the trolley can be unlocked by the telescopic pushing handle to contract and link the fixing mechanism, and compared with the prior art, the folding device of the trolley is convenient to fold without independently carrying out multistep unlocking operation.
In a second aspect, the present invention also provides a folding trolley comprising: the trolley folding device; the front wheel rod is arranged on the front connecting mechanism; a seat mounted to the upper connection mechanism; and the rear wheel rod group is arranged on the rear connecting mechanism.
Further, the method also comprises the following steps: the foot supports are connected to the front wheel rods in a sliding mode; the foot support is provided with: a clamping hole; the fixture block is connected to the front wheel rod in a sliding mode and is automatically clamped in the fixture hole through a spring.
Further, the seat is connected with the following sliding parts: a drawer type pedal; the drawer type pedal is provided with: a traveler; the seat is provided with: the sliding column is connected with the sliding groove in a sliding mode.
Has the advantages that:
the utility model also provides a folding trolley comprising a trolley folding device as described above, whereby the effects and advantages provided by the folding trolley also include those provided by the trolley folding device and will not be described in detail herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of the foldable cart according to this embodiment;
fig. 2 is a schematic structural view of the folding device of the cart provided in this embodiment;
fig. 3 is a disassembled schematic view of the cart folding device provided in this embodiment;
fig. 4 is a disassembled schematic view of the cart folding device provided in the embodiment;
fig. 5 is a sectional view of the cart folding device provided in this embodiment;
FIG. 6 is a partial cross-sectional view of the folding cart provided in this embodiment;
fig. 7 is a schematic structural view of a seat of the folding cart according to the present embodiment;
fig. 8 is a partially disassembled schematic view of the seat of the foldable wagon according to the present embodiment.
Icon:
100-upper connection mechanism; 110-a fixation hole; 120-a limiting part; 130-an upper abutment;
200-a front connection mechanism; 210-a limiting groove; 220-a front abutment;
300-rear connection mechanism; 310-a rear abutment;
400-a fixing mechanism;
500-telescopic pushing handle;
600-front wheel bar;
700-fixture block;
800-foot support; 810-card hole;
900-a seat; 910-drawer pedal; 911-sliding column; 920-a chute; 930-a base plate; 940-a mounting plate;
1000-rear wheel bar group.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The present embodiment provides a stroller folding apparatus, as shown in fig. 1-5, including: an upper connecting mechanism 100; a front attachment mechanism 200; the upper connecting mechanism 100, the front connecting mechanism 200 and the rear connecting mechanism 300 are coaxially hinged together; a fixing mechanism 400, the fixing mechanism 400 being disposed between the upper connecting mechanism 100 and the front connecting mechanism 200 for fixing the two; the rear connecting mechanism 300 is abutted between the two and is used for rotationally fixing the two and the rear connecting mechanism 300; the telescopic push handle 500 is mounted on the upper connecting mechanism 100, and the telescopic push handle 500 is used for unlocking and fixing the telescopic push handle and the upper connecting mechanism through the telescopic linkage fixing mechanism 400.
Specifically, the upper connecting mechanism 100 and the front connecting mechanism 200 are fixed together by the fixing mechanism 400 arranged between the two, and meanwhile, the rear connecting mechanism 300 is abutted and limited between the two, so that the two and the rear connecting mechanism 300 can be rotationally fixed, namely the rotational fixation of the three is realized; when the foldable bicycle is folded, the inner rod of the telescopic push handle 500 can strike the fixing mechanism 400 to unlock the two, so that the two can respectively rotate and fold relative to the rear connecting mechanism 300.
Therefore, the folding device of the trolley can be unlocked by the telescopic pushing handle 500 which is contracted and linked with the fixing mechanism 400, and compared with the prior art, the folding device of the trolley does not need to be unlocked separately in multiple steps, and is convenient to fold.
In this embodiment, the upper connection mechanism 100 includes: a fixing hole 110; the fixing mechanism 400 adopts a sliding block, the sliding block is connected to the front connecting mechanism 200 in a sliding mode, the sliding block, the fixing hole 110 and the telescopic pushing handle 500 correspond to each other, the sliding block automatically protrudes out of the front connecting mechanism 200 through a spring and is connected to the fixing hole 110 in a clamping mode, and an inner rod of the telescopic pushing handle 500 can be linked with the sliding block to enable the sliding block to slide away from the fixing hole 110 after being contracted.
Specifically, during unlocking, the inner rod, i.e., the upper rod, of the telescopic handle 500 contracts to strike the slider, and the slider slides away from the fixing hole 110 against the elastic force of the spring, so as to unlock the upper connecting mechanism 100 and the front connecting mechanism 200, and at this time, the upper connecting mechanism 100 can rotate clockwise relative to the rear connecting mechanism 300.
In this embodiment, the lower portion of the upper connecting mechanism 100 includes: a stopper portion 120; the upper portion of the front connection mechanism 200 has: a limiting groove 210; the position-limiting portion 120 is disposed in the position-limiting groove 210 for enhancing the rotational fixation of the two.
Specifically, by providing the adaptive limiting structure at the contact position between the upper connecting mechanism 100 and the front connecting mechanism 200, the rotational fixation of the slider and the fixing hole 110 in a single direction can be enhanced on the basis of bidirectional rotational fixation of the slider and the fixing hole, for example, the rotational fixation of the upper connecting mechanism 100 in the counterclockwise direction can be enhanced.
In this embodiment, the upper connection mechanism 100 includes: an upper abutment portion 130; the front connection mechanism 200 includes: a front abutment 220; the rear connection mechanism 300 includes: and a rear abutment portion 310, the rear abutment portion 310 abutting between the upper abutment portion 130 and the front abutment portion 220.
Specifically, the upper connecting mechanism 100, the front connecting mechanism 200 and the rear connecting mechanism 300 are coaxially hinged together, and the upper connecting mechanism 100 and the front connecting mechanism 200 are fixed together by the fixing mechanism 400, so that when the rear abutting portion 310 abuts between the upper abutting portion 130 and the front abutting portion 220, the rear abutting portion 310 and the two cannot relatively rotate; thereby realizing the rotation fixation of the three parts, and any one of the three parts can not rotate relative to the rest parts.
The present embodiment further provides a foldable cart, as shown in fig. 1, including: the trolley folding device; a front wheel lever 600, the front wheel lever 600 being mounted to the front connection mechanism 200; a seat 900, the seat 900 being mounted on the upper connection mechanism 100; a rear wheel lever group 1000, the rear wheel lever group 1000 being mounted to the rear connecting mechanism 300.
Specifically, the upper connecting mechanism 100, the front connecting mechanism 200 and the rear connecting mechanism 300 are sequentially and correspondingly connected with the seat 900, the front wheel bar 600 and the rear wheel bar group 1000, so that the folding device can be used for rotationally fixing or unlocking the whole vehicle in a linkage manner, and the folding operation is convenient.
In this embodiment, please refer to fig. 6, which further includes: the foot rest 800, the foot rest 800 is connected with the front wheel rod 600 in a sliding way; the foot rest 800 is provided with: a snap hole 810; the latch 700 is slidably connected to the front wheel rod 600, and the latch 700 is automatically latched to the latching hole 810 by a spring.
Specifically, the foot rest 800 is slidably connected to the front wheel bar 600, a plurality of clamping holes 810 are formed in the vertical rod of the foot rest 800 at intervals, when the height of the foot rest 800 is adjusted, the fixture block 700 is pulled away from the clamping holes 810 to be adjusted, the fixture block 700 is loosened after the adjustment is finished, and the fixture block 700 can be automatically clamped in the clamping holes 810 through the springs.
In this embodiment, referring to fig. 7 and 8, the seat 900 is slidably connected with: a drawer-type footrest 910; the drawer type pedal 910 is provided with: a strut 911; the seat 900 is provided with: the sliding groove 920 and the sliding post 911 are slidably connected to the sliding groove 920.
Specifically, when the baby lies down, the drawer-type pedals 910 can be pulled open to increase the bearing area of the seat 900, thereby increasing the comfort level of the baby. The sliding slot 920 may be directly disposed on the bottom 930 of the seat 900, or disposed on the mounting plate 94 between the bottom 930 and the drawer-type pedal 910; preferably, the drawer-type footrests 910 are 2 in number, which increases the length and area of the load.
It should be further noted that, with regard to the two-stage telescopic structure of the inner and outer rods of the telescopic handle 500, the fixing and unlocking structure and the corresponding working principle, reference may be made to the prior art, and details are not repeated herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A cart folding apparatus, comprising:
an upper connection mechanism (100);
a front attachment mechanism (200);
a rear connection mechanism (300), the upper connection mechanism (100), the front connection mechanism (200) and the rear connection mechanism (300) being coaxially hinged together;
a fixing mechanism (400), wherein the fixing mechanism (400) is arranged between the upper connecting mechanism (100) and the front connecting mechanism (200) and is used for fixing the upper connecting mechanism and the front connecting mechanism; the rear connecting mechanism (300) is abutted between the two and is used for rotationally fixing the two and the rear connecting mechanism (300);
the telescopic pushing handle (500) is mounted on the upper connecting mechanism (100) and used for unlocking the fixing mechanism (400) through contraction linkage to fix the upper connecting mechanism and the lower connecting mechanism.
2. A trolley folding device according to claim 1, characterized in that the upper connecting mechanism (100) has:
a fixing hole (110); fixed establishment (400) adopt the slider, slider sliding connection in preceding coupling mechanism (200), just the slider fixed orifices (110) with it is corresponding to stretch out and draw back to push away handle (500), the slider passes through the automatic protrusion of spring preceding coupling mechanism (200) and joint in fixed orifices (110), can link after the interior pole shrink of the flexible handle (500) that pushes away the slider makes it slide away from fixed orifices (110).
3. A stroller folding apparatus according to claim 1, wherein said lower portion of said upper attachment mechanism (100) has:
a stopper (120); the upper part of the front connection mechanism (200) is provided with:
a limiting groove (210); the limiting part (120) is arranged in the limiting groove (210) and used for reinforcing the rotation fixation of the limiting part and the limiting groove.
4. A trolley folding device according to claim 1, characterized in that the upper connecting mechanism (100) has:
an upper abutment portion (130); the front connection mechanism (200) has:
a front abutment (220); the rear connection mechanism (300) has:
a rear abutment (310), the rear abutment (310) abutting between the upper abutment (130) and the front abutment (220).
5. A folding cart, comprising:
a cart folding apparatus according to any one of claims 1 to 4;
a front wheel lever (600), the front wheel lever (600) being mounted to the front attachment mechanism (200);
a seat (900), the seat (900) being mounted to the upper connection mechanism (100);
a rear wheel lever group (1000), the rear wheel lever group (1000) being mounted to the rear connection mechanism (300).
6. A folding cart according to claim 5, further comprising:
a foot rest (800), the foot rest (800) being slidably connected to the front wheel bar (600); the foot support (800) is provided with:
a snap hole (810);
the fixture block (700), the fixture block (700) is connected to the front wheel rod (600) in a sliding mode, and the fixture block (700) is automatically clamped in the clamping hole (810) through a spring.
7. A folding trolley according to claim 5, characterized in that in the seat (900) there is slidably connected:
a drawer-style footrest (910); the drawer-type footrest (910) is provided with:
a spool (911); the seat (900) is provided with:
a sliding groove (920), the sliding column (911) is connected with the sliding groove (920) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766788.5U CN216185403U (en) | 2021-11-12 | 2021-11-12 | Handcart folding device and folding handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766788.5U CN216185403U (en) | 2021-11-12 | 2021-11-12 | Handcart folding device and folding handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216185403U true CN216185403U (en) | 2022-04-05 |
Family
ID=80910338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122766788.5U Active CN216185403U (en) | 2021-11-12 | 2021-11-12 | Handcart folding device and folding handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216185403U (en) |
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2021
- 2021-11-12 CN CN202122766788.5U patent/CN216185403U/en active Active
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